Please select the most similar patent number from A, B, C and D. Which number is?
A push-out portable arc igniter. Ignition heads (19) are provided at the front end of an ignition push device (11); a lighting lamp (18) is horizontally arranged in parallel with the ignition heads (19); the ignition heads (19) are configured to be two parallel cylinders, and a ceramic fixing device (23) is provided on each surface thereof; a main body plastic member (5) of the ignition push device (11) is configured to be a rectangular box with open upper and right surfaces; a high voltage package (6) and a circuit board (9) are provided in the main body plastic member (5); and a polymer lithium battery (8) is provided above the circuit board (9); a lighting lamp switch (7) is provided at the center of the left end of the circuit board (9); a power safety switch (1), a charging indicator (3), and a USB charging socket (2) are provided at the right end of the circuit board (9); a tail plastic member (15) is configured to be in an L shape; and the tail plastic member (15) is connected to the ignition push device (11) by means of a spring (12). The igniter has a simple and compact structure as well as a small size and a light weight, is easy to carry, is easy to use, is controlled by dual-switch, has good safety performance, can effectively avoid misoperation, can eliminate potential safety hazards, has a portable charger, can be repeatedly charged, and has a long service life.
A: An intelligent LED bulb comprises a bulb holder (1), a bulb casing (2), and a bulb shade (3). An LED circuit board (4), a control PCB board (41), a switch mechanism (5) connected to the LED circuit board (4), a chargeable battery (6), and a power PCB board (61) are provided inside the bulb casing (2). The switch mechanism (5) comprises a switch positioning member (51), a switch PCB board (52), two switch metal domes (53), a copper needle (54), a copper needle limiting member (55), and a spring (56). The LED bulb has the chargeable battery (6) and the switch mechanism (5), and the chargeable battery (6) is provided inside the LED bulb, thereby achieving a simple and compact structure and small size. The switch mechanism (5) automatically implements the switch control with the assembly and disassembly of the Led bulb, and an external circuit and switch are not required, so that the use is flexible and convenient.
B: A multifunctional energy-saving LED lamp with multiple charging modes comprises a lamp holder (1), a retractable connecting rod (2), a lamp housing (3), a lamp shade (4), an LED bulb and a fixed lamp panel (5), a DC jack (10), a circuit board (6) and a lithium battery (7). The retractable connecting rod (2) is disposed between the lamp holder (1) and the lamp housing (3). The lithium battery (7) is disposed inside the retractable connecting rod (2). The LED bulb and the fixed lamp panel (5) are disposed at the top of the lamp housing (3). The lamp shade (4) is disposed on a surface at the top of the lamp housing (3). A power switch (8), an indicator and the DC jack (10) are disposed on a side surface of the lamp housing (3). The circuit board (6) is disposed in the lamp housing (3). The circuit board (6) comprises an AC-DC constant voltage power supply module, a lithium battery charging management module, a DC-DC constant current power supply and an intelligent module. The lamp housing (3) is further provided thereon with a solar cell panel, a vehicle-charging port and a mains port. The lamp housing (3) is further provided therein with a rechargeable battery, a GPS chip, a wireless transmission module and a wireless reception module. The multifunctional energy-saving LED lamp is integrated with the functions of an illuminating lamp, a torch, an emergency lamp and the like, and can be charged in various ways, for example, through solar energy, a mobile phone charger, or a vehicle charger.
C: The present utility model relates to a new energy lighter. An electronic oscillation circuit, a boost DC/DC transform circuit, an illumination circuit, and a cash detecting circuit are provided in the housing of the lighter, a switch is provided at one side of the housing, and an illumination light and a cash detecting light are also provided at the bottom of the housing. The present lighter can carry a direct current power source as the ignition source, generate a high frequency pulse current by way of an oscillation circuit, generate a high frequency voltage across two ends of a transformer coil, perform arc discharge outputting via a high voltage discharge probe to obtain connected high voltage discharge sparks, and can be applied in any weather environment to ignite an inflammable substance. The power source outlet of the present lighter can supply power to various models of mobile phones or digital products by being equipped with a universal plug container and a conversion plug, and at the same time can be used for illumination and cash detection. The present utility model can be used safely, is environmentally friendly, can save energy, and at the same time has a small volume, is portable, and is convenient and practical.
D: A luminous ornament having a structure comprising an ornamental surface-replaceable ornament (1), a structural member (2), LED lamps (3), a circuit board (4), a control module (5), a rechargeable battery (6), a charging port (7), a button switch (8), and a replaceable fixing clip (9). The structural member (2) is fixedly connected to the ornamental surface-replaceable ornament (1) and is located on left and right sides below the ornamental surface-replaceable ornament (1). The circuit board (4) is embedded in the structural member (2) and is located inside the ornamental surface-replaceable ornament (1). The LED lamps (3) are connected to the circuit board (4) by means of power lines. The control module (5) is located on the left end inside the ornamental surface-replaceable ornament (1). The rechargeable battery (6) and the circuit board (4) are provided inside the control module (5). The charging port (7) and the button switch (8) are connected to the circuit board (4) by means of power lines. Compared with the prior art, by configuring lamps to change in various modes, such as a color changing mode and a light chasing mode, the technical solution greatly improves the aesthetic property and the playability, so that the ornament is popular at night.
Answer: C