BOX BODY, HIGH-VOLTAGE BOX APPARATUS, ENERGY STORAGE DEVICE, AND ELECTRIC EQUIPMENT

A box body a high-voltage box apparatus, an energy storage device, and electric equipment. The high-voltage box apparatus includes a functional module and the box body is configured to the functional module is installed. The box body includes a housing, a support, and a tray assembly, The support is disposed inside the housing, and the tray assembly is movably disposed on the support. The housing is provided with a first opening thereon, and the tray assembly is movable between a first position and a second position relative to the support, the tray assembly is at least partially movable out of the housing through the first opening. The tray assembly is configured for fixing the functional module.

TECHNICAL FIELD

This application relates to the technical field of energy storage devices, and in particular, to a box body, a high-voltage box apparatus, an energy storage device, and electric equipment.

BACKGROUND

In recent years, with the development of new energy source technologies, batteries, as efficient and clean energy sources with high cyclic utilization rate, have become more and more widely applied. A high-voltage box fora battery is a control unit that distributes battery energy, and is one of the key components of an electric vehicle. The high-voltage box is internally provided with a battery management system, power supply control, insulation detection, and other functional modules. When the functional modules fail, the high-voltage box needs to be disassembled and then replaced, which makes the installation and maintenance more complicated.

SUMMARY

This application provides a box body, a high-voltage box apparatus, an energy storage device, and electric equipment, which may facilitate the installation and maintenance of a functional module.

Some embodiments of this application use the following technical solutions to solve the technical problem thereof:

In a first aspect, one embodiment of this application provides a box body, including a housing, a support, and a tray assembly, wherein the support is disposed inside the housing, and the tray assembly is movably disposed on the support. The housing is provided with a first opening thereon, and the tray assembly is movable relative to the support, so that the tray assembly is at least partially movable out of the housing through the first opening. The tray assembly is used for fixing a functional module to drive the functional assembly to move between the inside and outside of the housing, so as to facilitate the installation and maintenance of the functional module.

In some embodiments, the support is provided with a slideway thereon, the tray assembly is disposed inside the slideway, and the tray assembly is movable relative to the support along the slideway. The slideway is used for limiting and guiding the support.

In some embodiments, the slideway includes a first slideway and a second slideway which are respectively disposed on two opposite sides of the support. The tray assembly includes a first tray and a second tray. The first tray is disposed in the first slideway, and the second tray is disposed in the second slideway. The first tray and the second tray may be respectively installed with different functional modules, so that different functional modules can separately move out of the housing for installation and maintenance.

In some embodiments, the first slideway is arranged along a first direction, and the first tray is movable inside the first slideway along the first direction, so that the first tray is limited relative to the support in second and third directions. The second slideway is arranged along the first direction, and the second tray is movable inside the second slideway along the first direction, so that the second tray is limited relative to the support in the second and third directions. The first direction, the second direction, and the third direction are perpendicular to each other.

In some embodiments, the housing includes a bottom plate on which the. support is disposed. The support includes a main body portion, a first slideway portion, and a second slideway portion. The first slideway portion is disposed on a side of the main body portion facing the bottom plate, and the second slideway portion is disposed on one side of the main body portion facing away from the bottom plate. The first slideway portion and the bottom plate form the first slideway, and the second slideway portion and the main body portion form the second slideway.

In some embodiments, the housing further includes a first side plate disposed on one side of the bottom plate along the first direction. When the first tray moves to a first position, the first tray is connected with the first side plate. When the second tray moves to the first position, the second tray is connected with the first side plate. The first side plate may respectively limit the first tray and the second tray along the first direction.

In some embodiments, the first tray includes a first tray portion and a first extending portion. The first tray portion is connected to the first extending portion. The first tray portion is used for fixing the functional module and the first extending portion is configured to be connected with the first slideway portion.

In some embodiments, the first slideway portion includes a first section and a second section. The first section extends from the main body portion in a direction away from the bottom plate, and the second section extends from the first section along the second direction. The first extending portion includes a first extending section and a second extending section. The first extending section extends from the first tray portion in the direction facing away from the bottom plate, and the second extending section extends from the first extending section along the second direction. The first section is configured to limit the movement of the first extending section along the second direction, and the second section is configured to limit the movement of the second extending section along the third direction. The first direction, the second direction, and the third direction are respectively perpendicular to each other.

In some embodiments, a gap is provided between the first section and the first extending section along the second direction to reduce the friction force between the first section and the first extending section, thereby facilitating the movement of the first tray.

In some embodiments, a gap is provided between the second section and the second extending section along the second direction to reduce the friction force between the second section and the second extending section, thereby facilitating the movement of the first tray.

In some embodiments, the main body portion includes a supporting portion and a connecting portion, and the second slideway portion is disposed on the supporting portion.

In some embodiments, the connecting portion includes a first connecting section and a second connecting section. The first connecting section is connected between the supporting portion and the second connecting section, the first connecting section extends from one side of the supporting portion in a direction of the bottom plate, and the second connecting section extends from the first connecting section along the second direction.

In some embodiments, along the second direction, the second connecting section and the second section are respectively disposed on two opposite sides of the first section, and the first connecting section, the second connecting section, and the first section form a receiving groove.

In some embodiments, the box body includes a fastener which fixes the second connecting section and the bottom plate, and is at least partially disposed in the receiving groove.

In a second aspect, another embodiment of the present application further provides a high-voltage box apparatus, including a functional module and the box body of any one of the foregoing, wherein the functional module is installed on the tray assembly.

In some embodiment, the functional module includes a first circuit board and a second circuit board. The first circuit board is provided with a first connecting member, and the second circuit board is provided with a second connecting member. The high-voltage box apparatus includes a fourth circuit board provided with a fourth connecting member. The first connecting member is in plug-in connection with the fourth connecting member to realize the connection between the first circuit board and the fourth circuit board, and the second connecting member is in plug-in connection with the fourth connecting member to realize the connection between the second circuit board and the fourth circuit board.

In some embodiments, the functional module includes at least one of a management system main board, a power supply main body, or an insulation detection board.

In a third aspect, another embodiment of the present application further provides an energy storage device, including the high-voltage box apparatus of any one of the foregoing.

In a fourth aspect, another embodiment of the present application further provides electric equipment, including the high-voltage box apparatus of any one of the foregoing.

Compared to the prior art, in some embodiments of the present application, the housing is provided with the first opening thereon, the support is disposed inside the housing, the tray assembly is movably disposed on the support, the tray assembly is movable relative to the support, the functional module may be installed on the tray assembly, and the tray assembly may drive the functional assembly to move from the inside of the housing to the outside of the housing, so as to facilitate the installation and maintenance of the functional module.

DETAILED DESCRIPTION

In order to facilitate the understanding of this application, this application will be described in more detail below in conjunction with the accompanying drawings and specific implementations. It should be noted that when an element is expressed to be “fixed” to another element, it may be directly on the other element, or there may be one or more centered elements therebetween. When an element is expressed to be “connected” to another element, it may be directly connected to the other element, or there may be one or more centered elements therebetween. The terms “up”, “down”, “left”, “right”, “inside”, “outside”, and similar expressions used in this specification are or the purpose of illustration only.

Unless otherwise defined, all technical and scientific: terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. In this specification, the terms used in the specification of this application are for the purpose of describing specific implementations only, and are not used to limit this application. The terms “and/or” used in this specification includes any or all combinations of one or more associated listed items.

Referring toFIGS.1-3together, one embodiment of this application provides a high-voltage box apparatus300, including a box body100and a functional module200installed in the box body100. The box body100includes a housing10, a support20, and a tray assembly30. The support20is disposed inside the housing10, and the tray assembly30is movably disposed on the support20. The housing10is provided with a first opening101thereon, and the tray assembly30is movable between a first position and a second position relative to the support20, so that the tray assembly30is at least partially movable out of the housing10through the first opening101. The tray is used for fixing the functional module.

Referring toFIGS.2-4together, the housing10includes a lower shell11and an upper cover12. The lower shell11and the upper cover12are connected and enclosed to form a receiving space in which the support20is arranged. The lower shell11includes a bottom plate110, a first side plate112, and two second side plates114. The first side plate112and the two second side plates114are respectively disposed on the bottom plate110. The first side plate112is disposed on one side of the bottom plate110along a first direction X, the two second side plates114are respectively disposed on both sides of the bottom plate110along a second direction Y, and the first side plate112is respectively connected with the two second side plates114. The upper cover12includes a top plate120and a third side plate122. The top plate120is spaced apart from the bottom plate110along a third direction Z, and the top plate120is respectively connected to the first side plate112and the sides of the second side plates114facing away from the bottom plate110. The third side plate122extends from the top plate120along the third direction Z to abut against the bottom plate110. The third plate122is further connected with the sides of the two second side plates114facing away from the first side plate112, respectively. The first side plate112is provided with a first opening101thereon, so that the receiving space communicates with the outside. The first direction X, the second direction Y and the third direction Z are respectively perpendicular to each other.

Referring toFIGS.4-6together, the support20is arranged on the bottom plate110of the housing10, and the position of the support20corresponds to that of the first opening101. The support20includes a main body portion21, a first slideway portion22, and a second slideway portion23. The first slideway portion22and the second slideway portion23respectively extend along the first direction X, and the first slideway portion22and the second slideway portion23are respectively arranged on two sides of the main body portion21along the third direction Z. The first slideway portion22is disposed on one side of the main body portion21facing the bottom plate110, and the first slideway portion22and the bottom plate110form a first slideway A1. The second slideway portion23is disposed on one side of the main body portion21facing away from the bottom plate110, and the second slideway portion23and the main body portion21form a second slideway A2.

The main body portion21includes a supporting portion210and a connecting portion212, the connecting portion212is disposed on one side of the supporting portion210facing the bottom plate110. Preferably, the supporting portion210is arranged parallel to the bottom plate110. The second slideway portion23is disposed on the supporting portion210. The connecting portion212includes a first connecting section2120and a second connecting section2122. The first connecting section2120is connected between the supporting portion210and the second connecting section2122. The first connecting section2120extends from one side of the supporting portion210in a direction of the bottom plate110, and the second connecting section2122extends from the first connecting section2120along the second direction Y. Preferably, the second connecting section2122is arranged parallel to the bottom plate110. The second connecting section2122is connected to the bottom plate110. The second connecting section2122is fixed to the bottom plate110by means of a press riveting. connection. It may be appreciated that in some other embodiments, the means by which the second connecting section2122is fixed to the bottom plate110may be set according to actual requirements, such as screwing, snapping, welding, bonding, etc., and is not limited herein.

The first slideway portion22is connected with the connecting portion212, and the first slideway portion22includes a first section220and a second section222. The first section220is connected between the connecting portion212and the second section222. The first section220extends from the second connecting section2122in a direction of the supporting portion210, and the second section222extends from the first section220towards another side of the supporting portion210along the second direction Y. Preferably, the second section222is parallel to the bottom plate110. The first section220, the second section222, and the bottom plate110together form the first slideway A1which communicates with the first opening101.

Along the second direction Y the second connecting section2122and the second section222are respectively arranged on two opposite sides of the first section220, and the first connecting section2120, the second connecting section2122, and the first section220together form a receiving groove240. The box body100further includes a fastener (not shown in figures) which is respectively connected to the second connecting section2122and the bottom plate110to fix the second connecting section2122to the bottom plate110. The fastener is a press riveting nut, and the fastener is at least partially arranged in the receiving groove240, In some other embodiments, the fastener may also be a fastening element, such as a screw, a fixing pin, etc.

The second slideway portion23is connected with the supporting portion210, and the second slideway portion23includes a third section230and a fourth section232. The third section230is connected between the supporting portion210and the fourth section232. The third section230extends from the supporting portion210in a direction away from the bottom plate110, and the fourth section232extends from the third section230towards another side of the supporting portion210along the second direction Y. Preferably, the fourth section232is parallel to the bottom plate110. The third section230, the fourth section232, and the supporting portion210together form the second slideway A2which communicates with the first opening101.

In this embodiment, the number of the connecting portions212and the number of the first slideway portions22are two, respectively Two connecting portions212are respectively arranged on two opposite sides of the supporting portion210along the second direction Y. Each first slideway portion22is connected with a corresponding connecting portion212. It may be understood that in some other embodiments, the number of the connecting portions212and the number of the first slideway portions22may also be one, respectively, as long as guiding for the tray assembly30can be realized.

In this embodiment, the number of the second slide portions23is two. Two second slideway portions23are respectively arranged on two opposite sides of the supporting portion along the second direction Y. It may be understood that in some other embodiments, the . number of the second slideway portions23may also be one, as long as guiding for the tray assembly30can be realized.

Referring toFIGS.7-9together, the tray assembly30includes a first tray31and a second tray32which are respectively used for fixing the functional module200. The firs tray31is movably disposed in the first slideway A1, and the first tray31is movable inside the first slideway A1along the first direction X, so that the first tray31is limited relative to the support20in the second direction Y and the third direction Z. The second tray32is movably disposed in the second slideway A2, and the second tray32is movable inside the second slideway A2along the first direction X, so that the second tray32is limited relative to the support20in the second direction Y and the third direction Z.

The first tray31includes a first tray portion310, a first extending portion312, and a first fixing portion314. The first extending portion312and the first fixing portion314are respectively arranged on one side of the first tray portion310facing away from the bottom plate110. The first tray portion310is used for fixing the functional module200, the first extending portion312is arranged in cooperation with the first slideway portion22, and the first fixing portion314is configured to be connected with the housing10. The first extending portion312includes a first extending section3120and a second extending section3122. The first extending section3120extends from one side of the first tray portion310in the direction facing away from the bottom plate110, and the second extent section3122din extends from the first extending section3120towards the other side of the first tray portion310along the second direction Y. The number of the first extending portions312is two. Two first extending portions312are respectively arranged on two sides of the first tray portion310along the second direction Y. The first fixing portion314is disposed on one side of the first tray portion310facing, away from the third side plate122, and the first fixing portion314is connected with the first extending portion312.

When the first tray31is disposed inside the first slideway A1, the first tray portion310is connected with the bottom plate110of the housing10. The first extending section3120is arranged adjacent to the first section220of the first slideway portion22along the second direction Y, and the first section220limits the movement of the first extending section3120along the second direction Y. The second extending section3122is arranged adjacent to the second section222of the first slideway portion22along the third direction Z, and the second section222limits the movement of the second extending section3122along the third direction Z. In some embodiments, a gap is provided between the first section220and the first extending section3120to reduce the friction force between the first section220and the first extending section3120,  thereby facilitating the movement of the first tray31. For example, a gap of 0.2 mm is provided between the first section220and the first extending section3120along the second direction Y. In some embodiments, a gap is provided between the second section222and the second extending section3122to reduce the friction force between the second section222and the second extending section3122, thereby facilitating the movement of the first tray31. For example, a gap of 0.1 mm is provided between the second section222and the second extending section3122along the third direction Z.

When the first tray31moves to a first position in a direction of the third side plate122along the first slideway A1, the first fixing portion314is connected with the first side plate112, and the first tray31is disposed inside the housing10. When the first tray31moves to a second position in a direction away from the third side plate122, the functional module200on the first tray31is at least partially disposed outside the housing10. In some embodiments, the first position and the second position may be determined as required, for example, at the second position, half of the first tray31may move out of the housing10, or the first tray31may completely move out of the housing10.

In some embodiments, the first extending section3120is connected in contact with the first section220. In some embodiments, the second extending section3122is connected in contact with the second section222. In some embodiments, a buffer may be provided between the first extending section3120and the first section220, which facilitates the sliding of the first tray31and extends the service life of the first tray31. In some embodiments, a buffer may be provided between the second extending section3122and the second section222, which facilitates the sliding of the first tray31and extends the service life of the first tray31.

The second tray32has a structure similar to that of the first tray31. The second tray32includes a second tray portion320, a second extending portion322, and a second fixing portion324. The second extending portion322and the second fixing portion324are respectively arranged on one side of the second tray portion320facing away from the bottom plate110. The second tray portion320is used for fixing the functional module200, the second extending portion322is arranged in cooperation with the second slideway portion23, and the second fixing portion324is configured to be connected with the housing10. The second extending portion322includes a third extending section3220and a fourth extending section3222. The third extending section3220extends from one side of the second tray portion320in the direction facing away from the bottom plate110, and the fourth extending section3222extends from the third extending section3220towards the other side of the second tray portion310along the second direction Y. The number of the second extending portions322is two. Two second extending portions322are respectively arranged on two sides of the second tray portion320along the second direction Y. The second fixing portion324is disposed on one side of the second tray portion320facing away from the third side plate122, and the second fixing portion324is connected with the second extending portion322.

When the second tray32is disposed inside the second slideway A2, the second tray portion320is connected with the main body portion21of the support20. The third extending section3220is arranged adjacent to the third section230of the second slideway portion23along the second direction Y and the third section230limits the movement of the third extending section3220along the second direction Y. The fourth extending section3222is arranged adjacent to the fourth section232of the second slideway portion23along the third direction Z, and the fourth section232limits the movement of the fourth extending section3222along the third direction Z. In some embodiments, a gap is provided between the third section230and the third extending section3220to reduce the friction force between the third section230and the third extending section3220, thereby facilitating the movement of the second tray32. For example, a gap of 0.2 mm is provided between the third section230and the third extending section3220along the second direction Y. In some embodiments, a gap is provided between the fourth section232and the fourth extending section3222to reduce the friction force between the fourth section232and the fourth extending section3222, thereby facilitating the movement of the second tray32. For example, a gap of 0.1 mm is provided between the fourth section232and the fourth extending section3222along the third direction Z.

When the second tray32moves to the first position in the direction of the third side plate122along the second slideway A2, the second fixing portion324is connected with the first side plate112, and the second tray32is disposed inside the housing10. When the second tray32moves to the second position in the direction facing away from the third side plate122, the functional module200on the second tray32is at least partially disposed outside the housing10. In some embodiments, the first position and the second position may be determined as required, for example, at the second position, half of the second tray32may move out of the housing10, or the second tray32may completely move out of the housing10.

In some embodiments, the third extending section3220is connected in contact with the third section230. In some embodiments, the fourth extending section3222is connected in contact with the fourth section232. In some embodiments, a buffer may be provided between the third extending section3220and the third section230, which facilitates the sliding of the second tray32and extends the service life of the second tray32. In some embodiments, a buffer may he provided between the fourth extending section3222and the fourth section232, which facilitates the sliding of the second tray32and extends the service life of the second tray32.

In this embodiment, the first tray31or the second tray32may be fixed to the first side plate112of the housing10by means of press riveting when moving to the first position. It may be appreciated that in some other embodiments, the first tray31and the second tray32may be respectively fixed to the housing10in other ways, such as, snapping, screwing, bonding, etc., which are not limited herein.

Referring toFIGS.9-10together, in some embodiments, the housing10further includes a third slideway portion13provided with a third slideway A3. The tray assembly30further includes a third tray33which is disposed in the third slideway A3and is movable inside the third slideway A3along the first direction X.

Specifically, the third slideway portion13includes a fifth section130, a sixth section132, and a seventh section134. The sixth section132and the seventh section134are respectively arranged on the fifth section130, and the fifth section130, the sixth section132, and the seventh section134together form the third slideway A3. The fifth section130extends from the first side plate112in the direction of the third side plate122, the sixth section132is disposed on one side of the fifth section130facing the bottom plate110, the seventh section134is disposed on one side of alae fifth section130facing away from the bottom plate110, and the sixth section132and the seventh section134are respectively arranged parallel to the bottom plate110. The number of the third slideway portions13is two. Two third slideway portions13are respectively arrange on two sides of the first opening101along the second direction Y.

The third tray33has a structure similar to those of the first tray31and the second tray32, which will not be repeated herein. Accordingly, the third tray33includes a third tray portion, a third extending portion, and a third fixing portion. The third extending portion includes a fifth extending section and a sixth extending section. The fifth extending section extends from one side of the third tray portion in the direction facing away from the bottom plate110, and the sixth extending section extends from the fifth extending section towards the other side of the third tray portion along the second direction Y. The third tray portion is used for fixing the functional module200, the third extending portion is arranged in cooperation with the third slideway portion13, and the third fixing portion is configured to be connected with the housing10.

When the third tray33is disposed inside the third slideway A3, the third tray portion is connected with the sixth section132of the third slideway portion13. The fifth extending section is arranged adjacent to the fifth section130of the third slideway portion13along the second direction Y, and the fifth section130limits the movement of the fifth extending section along the second direction Y. The sixth extending section is arranged adjacent to the seventh section134of the third slideway portion13along the third direction Z, and the seventh section134limits the movement of the sixth extending section along the third direction Z. In some embodiments, a gap is provided between the fifth section130and the fifth extending section to reduce the friction force between the fifth section130and the fifth extending section, thereby facilitating the movement of the third tray33. For example, a gap of 0.2 mm is provided between the fifth section130and the fifth extending section along the second direction Y. In some embodiments, a gap is provided between the seventh section134and the sixth extending section to reduce the friction force between the seventh section134and the sixth extending section, thereby facilitating the movement of the third hay33, For example, a gap of 0.1 mm is provided between the seventh section134and the sixth extending section along the third direction Z.

When the third tray33moves to the first position in the direction of the third side plate122along the third slideway, the third fixing portion of the third tray33is connected with the first side plate112, and the third tray33is disposed inside the housing10. When the third tray33moves to the second position in the direction facing away from the third side plate122, the functional module200on the third tray33is at least partially disposed outside the housing10. In some embodiments, the first position and the second position may be determined as required, for example, at the second position, half of the third tray33may move out of the housing10, or the third tray33may completely move out of the housing10.

In some embodiments, the fifth extending section is connected in contact with the fifth section130. In some embodiments, the sixth extending section is connected in contact with the seventh section134. In some embodiments, a buffer may be provided between the fifth extending section and the fifth section130, which facilitates the sliding of the third tray33and extends the service life of the third tray33. In some embodiments, a buffer may be provided between the sixth extending section and the seventh section134, which facilitates the sliding of the third tray33and extends the service life of the third tray33.

Referring toFIGS.11-13together, the functional module200includes a first circuit board, a second circuit board, and a third circuit board. In some embodiments. the first circuit board includes a management system main board201, the second circuit board includes a power supply main board202, and the third circuit board includes an insulation detection main board203. The management system main board201is mounted in the first tray31which may drive the management system main body201to move relative to the housing10. The power supply main board202is mounted in the second tray32which may drive the power supply main board202to move relative to the housing10, The insulation detection main board203is mounted in the third tray33which may drive the power supply main board202to move relative to the housing10. The power supply main board202may be connected with the third tray33to support the third tray33which is movable along one side of the power supply main board202facing away from the second tray32. In some other embodiments, different functional modules may be disposed in different trays.

In some embodiments, the high-voltage box apparatus300further includes a fourth circuit board41which is disposed inside the housing10and connected with the support20. A fixing portion24is further provided on one side of the support20facing away from the first side plate112. The fourth circuit board41may be fixed to the fixing portion24by means of press riveting. The fourth circuit board41is electrically connected with the functional module200. The fourth circuit board41is an adapter plate. In some other embodiments, the fourth circuit board41may be other functional modules.

Further, the fourth circuit board41is provided with a fourth connecting member410. In some embodiments, the first circuit board is provided with a first connecting member2010which is in plug-in connection with the fourth connecting member410to realize the connection between the first circuit board and the fourth circuit board. In some embodiments, the second circuit board is provided with a second connecting member2020which is in plug-in connection with the fourth connecting member410to realize the connection between the second circuit board and the fourth circuit board. In some embodiments, the third circuit board203is further provided with a third connecting member (not shown in figures) which is in plug-in connection with the fourth connecting member410to realize the connection between the third circuit board and the fourth circuit board. It should be noted that the plug-in connection between the first connecting member2010and the fourth connecting member410may be a direct plug-in connection or a connection via an adapter harness, the plug-in connection between the second connecting member2020and the fourth connecting member410may be a direct plug-in connection or a connection via an adapted harness, and the plug-in connection between the third connecting member and the fourth connecting member410may be a direct plug-in connection or a connection via an adapted harness.

In some embodiments, the high-voltage box apparatus300further includes a safety apparatus42disposed inside the housing10and mounted on the support20. The safety apparatus42is fixed to the supporting portion210of the main body portion21by means of press riveting, and disposed on one side of the second tray32along the second direction Y. The safety apparatus42is connected with the fourth circuit board41via a harness, and is configured to turn off a circuit device in time when the circuit device works abnormally.

In some embodiments, the high-voltage box apparatus300further includes an air switch43which is disposed inside the housing10, mounted on the bottom plate110, and arranged on one side of the support20. The air switch43is connected with the first side plate112which is provided with a second opening102thereon, and an operating handle of the air switch43is disposed at the second opening102, so that the air switch43may be operated outside the housing10. The air switch43is respectively electrically connected with the fourth circuit board41and the safety apparatus42via a harness, and is configured to control the turning on or off of the circuit device.

Another embodiment of this application further provides an energy storage device, including the high-voltage box apparatus300of any one of the above embodiments. The high-voltage box apparatus300is configured to manage high-voltage power distribution of the energy storage device, provide charging and discharging control, high-voltage component power-on control, circuit overload and short circuit protection, high-voltage sampling, low-voltage control, and other functions for a high-voltage system, and protect and monitor the operation of the high-voltage system.

Another embodiment of this application further provides electric equipment, comprising the high-voltage box apparatus300of in one of the above embodiments. The high-voltage box apparatus300is configured to control and distribute the energy of the energy storage device in the electric equipment. The electric equipment may be equipment using an energy storage device, such as vehicles, ships, aircrafts, energy storage devices, low handheld power tools, etc.

It should be noted that preferred some embodiments of this application are given in the specification of this application and the attached drawings thereof, however, this application may be implemented in many different forms and is not limited to some embodiments described herein. These embodiments are not intended as additional limitations on the disclosure of this application, and are provided for the purpose of providing a more thorough and comprehensive understanding of the disclosure of this application. Moreover, the technical features described above continue to be combined with each other to form various some embodiments not listed above, which are all considered to be within the scope recorded in the specification of this application. Further, for one of ordinary skill in the art, improvements or variations may be made in accordance with the above description, and all such improvements and variations shall belong to the scope of protection of the appended claims of this application.