CN210838985U - Explosion-proof device of quick charger - Google Patents

Explosion-proof device of quick charger Download PDF

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Publication number
CN210838985U
CN210838985U CN201921814036.8U CN201921814036U CN210838985U CN 210838985 U CN210838985 U CN 210838985U CN 201921814036 U CN201921814036 U CN 201921814036U CN 210838985 U CN210838985 U CN 210838985U
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China
Prior art keywords
charging
heat dissipation
circuit
explosion
voltage detection
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Active
Application number
CN201921814036.8U
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Chinese (zh)
Inventor
莫少坚
李培华
吴言朗
刘珊红
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Shenzhen Letachi Electronics Co ltd
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Shenzhen Letachi Electronics Co ltd
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Priority to CN201921814036.8U priority Critical patent/CN210838985U/en
Application granted granted Critical
Publication of CN210838985U publication Critical patent/CN210838985U/en
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Abstract

An explosion-proof device of a quick charger comprises a flame-retardant shell, a charging contact pin, a PCBA charging plate, a charging output port, a miniature heat dissipation fan and an LED lamp bank; the heat-radiating fan is arranged in the heat-radiating hole, the PCBA charging plate is provided with a voltage stabilizing circuit, a control module, a voltage detection circuit, a temperature sensor and a charging protection circuit, the charging contact pin is electrically connected with the voltage stabilizing circuit and the voltage detection circuit respectively, and the control module is electrically connected with the miniature heat-radiating fan, the temperature sensor, the voltage detection circuit, the LED lamp set and the charging protection circuit respectively; compared with the prior art, the beneficial effects of the utility model reside in that: detect the voltage of access through voltage detection circuit, temperature sensor detects inside temperature, strengthens the heat dissipation, prevents that the conflagration or the explosion accident that the circuit damage arouses from taking place, adopts fire-retardant shell, uses safelyr.

Description

Explosion-proof device of quick charger
[ technical field ] A method for producing a semiconductor device
The utility model relates to a charger technical field, specificly relate to a fill charger explosion-proof equipment soon.
[ background of the invention ]
The charger adopts a high-frequency power supply technology and applies an advanced intelligent dynamic adjustment charging technology. The industrial frequency machine is designed by the traditional analog circuit principle, internal electric devices (such as a transformer, an inductor, a capacitor and the like) of the machine are large, and small noise exists in the general operation with large load, but the industrial frequency machine has stronger resistance performance in severe power grid environment conditions, and has stronger reliability and stability than a high-frequency machine.
Particularly, the charging efficiency of the existing quick charging charger is higher, but the China safety 3C certification stipulates that the surface temperature of the charger cannot exceed 70 ℃, the internal temperature of the charger cannot exceed 90 ℃, and due to certain fluctuation of voltages at various places, the phenomenon of overheating can be easily caused during charging, and fire or explosion accidents can be caused by circuit damage in serious cases.
In view of the above, it is desirable to provide an explosion-proof device for a fast charger to overcome the deficiencies of the prior art.
[ Utility model ] content
The utility model aims at providing a fill charger explosion-proof equipment soon detects the voltage of access through voltage detection circuit, and temperature sensor detects inside temperature, strengthens the heat dissipation, prevents that the conflagration or the explosion accident that the circuit damage arouses from taking place, adopts fire-retardant shell, uses safelyr.
In order to achieve the purpose, the utility model provides an explosion-proof device of a quick charger, which comprises a flame-retardant shell, a charging contact pin, a PCBA charging plate, a charging output port, a miniature heat dissipation fan and an LED lamp group;
the heat dissipation device is characterized in that heat dissipation holes are formed in the flame-retardant shell, the heat dissipation fan is installed in the heat dissipation holes, a voltage stabilizing circuit, a control module, a voltage detection circuit, a temperature sensor and a charging protection circuit are arranged on the PCBA charging plate, the charging contact pins are respectively electrically connected with the voltage stabilizing circuit and the voltage detection circuit, the control module is respectively electrically connected with the miniature heat dissipation fan, the temperature sensor, the voltage detection circuit, the LED lamp set and the charging protection circuit, and the charging protection circuit is electrically connected with the charging output port.
In a preferred embodiment, the flame retardant housing is a PC fire retardant material.
In a preferred embodiment, the LED lamp set comprises a plurality of LED lamps.
In a preferred embodiment, a dust cover is further disposed in the heat dissipation hole.
In a preferred embodiment, a humidity sensor is further arranged on the PCBA charging plate, and the humidity sensor is electrically connected with the control module.
Compared with the prior art, the utility model provides a pair of fill charger explosion-proof equipment's beneficial effect soon is in: detect the voltage of access through voltage detection circuit, temperature sensor detects inside temperature, strengthens the heat dissipation, prevents that the conflagration or the explosion accident that the circuit damage arouses from taking place, adopts fire-retardant shell, uses safelyr.
[ description of the drawings ]
Fig. 1 is a split view of the explosion-proof device of the quick charger provided by the utility model.
Fig. 2 is a schematic diagram of an electronic module of the explosion-proof device of the quick charger shown in fig. 1.
[ detailed description ] embodiments
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1, the present invention provides an explosion-proof device 100 for a quick charger.
The embodiment of the present invention provides an embodiment, the explosion-proof device 100 of the quick charger includes a flame-retardant housing 10, a charging pin 20, a PCBA charging board, a charging output port 30, a micro heat dissipation fan 40 and a LED lamp set 50.
Specifically, referring to fig. 2, a heat dissipation hole 11 is formed in the flame retardant housing 10, the heat dissipation fan is installed in the heat dissipation hole 11, a voltage stabilizing circuit 101, a control module 102, a voltage detection circuit 103, a temperature sensor 104 and a charging protection circuit 105 are arranged on the PCBA charging board, the charging pin 20 is electrically connected to the voltage stabilizing circuit 101 and the voltage detection circuit 103, the control module 102 is electrically connected to the micro heat dissipation fan 40, the temperature sensor 104, the voltage detection circuit 103, the LED lamp set 50 and the charging protection circuit 105, and the charging protection circuit 105 is electrically connected to the charging output port 30.
It can be understood that the charging pin 20 is used for being inserted into a socket to connect a power supply, and the voltage stabilizing circuit 101 plays a role of stabilizing voltage and preventing voltage fluctuation from causing circuit abnormality or malfunction. The voltage detection circuit 103 can detect the accessed voltage in time and feed back the detected voltage to the control module 102, and if the voltage is too high, the control module 102 controls the charging protection circuit 105 to stop outputting the voltage to the charging output port 30. Temperature sensor 104 can detect inside temperature, works as when temperature sensor 104 detects inside temperature and is greater than 40 degrees centigrade, control module 102 control miniature cooling fan 40 drive strengthens the heat dissipation, works as when temperature sensor 104 detects inside temperature and is greater than 90 degrees centigrade, control module 102 control charge protection circuit 105 stops for the output of charging output port 30, prevents that the fire or the explosion accident that the circuit damage arouses from taking place. The LED lamp set 50 is used to display the charging state.
Further, the flame-retardant housing 10 is a PC fireproof flame-retardant material. The flame-retardant principle of the PC fireproof flame-retardant material is to catalyze the charring of PC during combustion, thereby achieving the purpose of flame retardance.
Further, the LED lamp set 50 includes a plurality of LED lamps. The higher the temperature is, the more the number of the LED lamps is lighted, and when the LED lamps are all lighted, the surface temperature exceeds the rated service temperature, so that the warning effect is realized.
Further, a dust cover 60 is also arranged in the heat dissipation hole 11. The dust cover 60 serves to prevent foreign materials from entering the flame retardant housing 10.
Further, a humidity sensor 106 is arranged on the PCBA charging board, and the humidity sensor 106 is electrically connected with the control module 102. The humidity sensor 106 can detect the humidity inside the flame retardant housing 10, and if the humidity is too high, which may cause an electric shock condition, the control module 102 controls the charging protection circuit 105 to stop outputting the output to the charging output port 30.
Compared with the prior art, the utility model provides a pair of fill charger explosion-proof equipment's beneficial effect soon is in: detect the voltage of access through voltage detection circuit, temperature sensor detects inside temperature, strengthens the heat dissipation, prevents that the conflagration or the explosion accident that the circuit damage arouses from taking place, adopts fire-retardant shell, uses safelyr.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (5)

1. The utility model provides a fill charger explosion-proof equipment which characterized in that soon: the LED lamp comprises a flame-retardant shell, a charging contact pin, a PCBA charging plate, a charging output port, a miniature heat dissipation fan and an LED lamp group;
the heat dissipation device is characterized in that heat dissipation holes are formed in the flame-retardant shell, the heat dissipation fan is installed in the heat dissipation holes, a voltage stabilizing circuit, a control module, a voltage detection circuit, a temperature sensor and a charging protection circuit are arranged on the PCBA charging plate, the charging contact pins are respectively electrically connected with the voltage stabilizing circuit and the voltage detection circuit, the control module is respectively electrically connected with the miniature heat dissipation fan, the temperature sensor, the voltage detection circuit, the LED lamp set and the charging protection circuit, and the charging protection circuit is electrically connected with the charging output port.
2. A quick charger explosion protection device as recited in claim 1, wherein: the flame-retardant shell is made of a PC fireproof flame-retardant material.
3. A quick charger explosion protection device as recited in claim 1, wherein: the LED lamp group comprises a plurality of LED lamps.
4. A quick charger explosion protection device as recited in claim 1, wherein: and a dust cover is arranged in the heat dissipation hole.
5. A quick charger explosion protection device as recited in claim 1, wherein: still be equipped with humidity transducer on the PCBA charging panel, humidity transducer with the control module electricity is connected.
CN201921814036.8U 2019-10-25 2019-10-25 Explosion-proof device of quick charger Active CN210838985U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921814036.8U CN210838985U (en) 2019-10-25 2019-10-25 Explosion-proof device of quick charger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921814036.8U CN210838985U (en) 2019-10-25 2019-10-25 Explosion-proof device of quick charger

Publications (1)

Publication Number Publication Date
CN210838985U true CN210838985U (en) 2020-06-23

Family

ID=71258137

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921814036.8U Active CN210838985U (en) 2019-10-25 2019-10-25 Explosion-proof device of quick charger

Country Status (1)

Country Link
CN (1) CN210838985U (en)

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