PHOTOELECTRIC SIGNAL CONVERSION DEVICE

A photoelectric signal conversion device includes an optical module (100), an adapter module (200), and a host (300). The optical module (100) includes a first electrical connection structure (110), a photoelectric signal conversion component (102), and an optical signal connection structure (120). The first electrical connection structure (110) and the optical signal connection structure (120) are connected to the photoelectric signal conversion component (102). The adapter module (200) arranged in the host (300) includes an insertion slot (201), a second electrical connection structure (220/220a), and a third electrical connection structure (230). The second electrical connection structure (220/220a) in the insertion slot (201) is electrically connected to the third electrical connection structure (230). The third electrical connection structure (230) is in the host (300) and coupled to the host (300). The insertion slot (201) is outside the host (300).

BACKGROUND OF THE DISCLOSURE

Technical Field

The present disclosure relates to an optical module, in particular to a photoelectric signal conversion device with an adapter module to facilitate heat dissipation of the optical module.

DESCRIPTION OF RELATED ART

In the related art, the optical module generally includes an optical signal interface, an electrical connector, and a photoelectric signal conversion circuit disposed between the optical signal interface and the electrical connector. When the optical module is directly plugged into a host, it is generally accommodated in the host and is electrically connected to the host through an electrical connector coupled to the host. The optical signal interface is exposed from a surface of the host for insertion of an optical signal line. Optical signals transmitted in the optical signal line are input into the photoelectric signal conversion circuit through the optical signal interface and converted into electrical signals, and the electrical signals are input into the host through the electrical connector. The photoelectric signal conversion circuit generates a lot of heat during operation, and the photoelectric signal conversion circuit is located in the host. However, this arrangement is unsatisfactory to heat dissipation.

In light of the above, the inventor of the present disclosure has devoted himself to doing research and studying scientific principles so as to solve the above problem of related art.

SUMMARY OF THE DISCLOSURE

The present disclosure provides a photoelectric signal conversion device with an adapter module to facilitate heat dissipation of an optical module.

The present disclosure provides a photoelectric signal conversion device, including: an optical module, an adapter module, and a host. The optical module includes a first electrical connection structure, a photoelectric signal conversion component, and an optical signal connection structure. The first electrical connection structure and the optical signal connection structure are connected to the photoelectric signal conversion component. The adapter module includes an insertion slot, a second electrical connection structure, and a third electrical connection structure. The second electrical connection structure is disposed in the insertion slot and electrically connected to the third electrical connection structure, and the third electrical connection structure is in the same configuration as the first electrical connection structure. The adapter module is disposed in the host. The third electrical connection structure is located inside the host and connected to the host, and the insertion slot is located outside the host. The optical module is inserted in the insertion slot to make the photoelectric signal conversion component be located outside the host, and the first electrical connection structure is coupled to the second electrical connection structure to make the photoelectric signal conversion component be electrically connected to the host.

According to one embodiment of the present disclosure, the adapter module includes an adapter circuit board, and the second electrical connection structure and the third electrical connection structure are connected to the adapter circuit board.

According to one embodiment of the present disclosure, the photoelectric signal conversion component of the optical module includes a signal conversion circuit board, and the first electrical connection structure and the photoelectric signal conversion component are arranged on the signal conversion circuit board. The first electrical connection structure includes a first tongue extended from the signal conversion circuit board and a plurality of first conductive points disposed on a surface of the first tongue. The third electrical connection structure includes a third tongue extended from the signal conversion circuit board and a plurality of third conductive points disposed on a surface of the third tongue, a structure of the third tongue is the same as a structure of the first tongue, and a layout of the third conductive points is the same as a layout of the conductive points.

According to one embodiment of the present disclosure, the second electrical connection structure includes two terminal blocks, the two terminal blocks are arranged on two sides of the adapter circuit board, the two terminal blocks protrude from an edge of the adapter circuit board, and the first electrical connection structure is inserted between the two terminal blocks.

According to one embodiment of the present disclosure, the optical signal connection structure is located outside the adapter module.

According to one embodiment of the present disclosure, the host includes a host housing, an opening is defined on the host housing, the host housing is provided with a fourth electrical connection structure, the adapter module is inserted in the host housing through the opening, the third electrical connection structure is coupled to the fourth electrical connection structure, and the insertion slot is located outside the host housing. The optical module includes a first module housing, a shape of the first module housing matches a shape of the insertion slot, the adapter module includes a second module housing, the second module housing includes a second coupling end and a third coupling end disposed opposite to the second coupling end, the second coupling end is located outside the host housing, and the insertion slot is defined in the second coupling end of the second module housing.

According to one embodiment of the present disclosure, a heat dissipation component is attached to an outer surface of the second coupling end of the second module housing.

In the photoelectric signal conversion device of the present disclosure, the optical module is electrically connected to the host through the adapter module, so that the optical module is located outside the host to facilitate heat dissipation of the photoelectric signal conversion component in the optical module.

DETAILED DESCRIPTION

Referring toFIG.1, one embodiment of the present disclosure provides a photoelectric signal conversion device. The photoelectric signal conversion device at least includes an optical module100and an adapter module200.

Referring toFIG.1, the optical module100includes a first module housing101, a first electrical connection structure110, a photoelectric signal conversion component102, and an optical signal connection structure120. The first module housing101is an elongated hollow column. The first electrical connection structure110, the photoelectric signal conversion component102, and the optical signal connection structure120are accommodated in the first module housing101. The first electrical connection structure110and the optical signal connection structure120are connected to the photoelectric signal conversion component102. In the present embodiment, the photoelectric signal conversion component102includes a signal conversion circuit board130. The first electrical connection structure110and the photoelectric signal conversion component102are disposed on the signal conversion circuit board130. Specifically, the first electrical connection structure110includes a first tongue111extended from the signal conversion circuit board130and a plurality of first conductive points112disposed on a surface of the first tongue111.

Referring toFIGS.1to4, the adapter module200includes a second module housing210, an insertion slot201, an adapter circuit board202, a second electrical connection structure220, and a third electrical connection structure230. The second module housing210is an elongated hollow column, and may be composed of two half shells211a,211bseamlessly connected to each other. The second module housing210includes a second coupling end212and a third coupling end213disposed opposite to the second coupling end212. The insertion slot201is formed in the second coupling end212of the second module housing210, and a shape of the first module housing101matches a shape of the insertion slot201, so that the optical module100may be inserted in the insertion slot201. The adapter circuit board202is accommodated in the third coupling end213and extends to the second coupling end212. The second electrical connection structure220and the third electrical connection structure230are disposed on the adapter circuit board202. In the present embodiment, the second electrical connection structure220is a socket arranged on one side of the adapter circuit board202. The second electrical connection structure220is arranged in the insertion slot201and electrically connected to the third electrical connection structure230through the adapter circuit board202. When the optical module100is inserted in the insertion slot201, the first electrical connection structure110of the optical module100is coupled to the second electrical connection structure220, so that the photoelectric signal conversion component102is electrically connected to the third electrical connection structure230through the first electrical connection structure110, the second electrical connection structure220, and the adapter circuit board202. The third electrical connection structure230is exposed from the second module housing210. The third electrical connection structure230is in the same configuration as the first electrical connection structure110. Specifically, the third electrical connection structure230includes a third tongue231and a plurality of third conductive points232arranged on a surface of the third tongue231. The third tongue231has the same structure as the first tongue111. The third conductive points232have the same layout as the first conductive points112.

Referring toFIGS.5and6, the photoelectric signal conversion device of the present embodiment also includes a host300. The host300includes a host housing310. An opening301is defined on the host housing310. The host housing310is provided with a fourth electrical connection structure340. A main circuit board320is disposed inside the host housing310, and the fourth electrical connection structure340is disposed on the main circuit board320.

When the photoelectric signal conversion device of the present embodiment is in use, the adapter module200is disposed in the host300. Specifically, the third coupling end213of the second module housing210is inserted into the host housing310through the opening301, so that the third electrical connection structure230is located in the host300and connected to the fourth electrical connection structure340of the host300. The second coupling end212of the second module housing210is located outside the host housing310, so that the insertion slot201is located outside the host300. The second electrical connection structure220is disposed corresponding to the opening301and located outside the host housing310.

The optical module100is inserted into the insertion slot201, so that the photoelectric signal conversion component102is located outside the host300. The first electrical connection structure110is coupled to the second electrical connection structure220, so that the photoelectric signal conversion component102is electrically connected to the host300. The photoelectric signal conversion component102is electrically connected to the main circuit board320through the first electrical connection structure110, the second electrical connection structure220, the third electrical connection structure230, and the fourth electrical connection structure340. The optical signal connection structure120is located outside the adapter module200for insertion of an optical signal line. Therefore, the optical module100is located outside the host300to facilitate heat dissipation of the photoelectric signal conversion component102inside the optical module100.

Referring toFIG.7, the third electrical connection structure230is in the same configuration as the first electrical connection structure110. Therefore, when the optical module100is directly inserted into the host300, the first electrical connection structure110is also coupled to the fourth electrical connection structure340. The photoelectric signal conversion component102is electrically connected to the main circuit board320through the first electrical connection structure110and the fourth electrical connection structure340, and the optical signal connection structure120is exposed from the opening of the host housing310for coupling/connection.

Referring toFIG.8, another embodiment of the present disclosure provides another photoelectric signal conversion device having a structure similar to the structure of the foregoing embodiment. A difference between the present embodiment and the foregoing embodiment is described in detail below. In the present embodiment, the second electrical connection structure220aincludes two terminal blocks221a,222a. The terminal blocks221a,222aare respectively arranged on two sides of the adapter circuit board202, the two terminal blocks221a,222aprotrude from an edge of the adapter circuit board202, and the first electrical connection structure110is inserted between the two terminal blocks221a,222a.

Referring toFIG.9, another embodiment of the present disclosure provides yet another photoelectric signal conversion device having a structure similar to the structures of the foregoing embodiments. A difference between the present embodiment and the foregoing embodiments is described in detail below. In the present embodiment, a heat dissipation component240is attached to an outer surface of the second coupling end212of the second module housing210to assist the photoelectric signal conversion component102to dissipate heat. The heat dissipation component240includes a substrate241, and a plurality of fins242are disposed vertically (erected) on one side of the substrate241. The substrate241is provided with a fastener243, and the second coupling end212of the second module housing210is provided with a fastening structure214correspondingly. The substrate241is fixed on the second coupling end212by fastening the fastening structure214to the fastener243, and another side of the substrate241is attached to an outer surface of the second coupling end212. When the photoelectric signal conversion component102inside the second coupling end212generates heat during operation, the substrate241may absorb the heat generated by the photoelectric signal conversion component102and dissipate the heat to the ambient air through the fins242.

In the photoelectric signal conversion device of the present disclosure, the optical module100is electrically connected to the host300through the adapter module200, so that the optical module100is located outside the host300to facilitate the heat dissipation of the photoelectric signal conversion component102in the optical module100.

The above descriptions are only some embodiments of the present disclosure, and are not intended to limit the protection scope of the present disclosure. Equivalent changes based the spirit of the present disclosure should be deemed to fall within the protection scope of the present disclosure.