CN212784819U - Double-voltage emergency starting power supply - Google Patents
Double-voltage emergency starting power supply Download PDFInfo
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- CN212784819U CN212784819U CN202021546245.1U CN202021546245U CN212784819U CN 212784819 U CN212784819 U CN 212784819U CN 202021546245 U CN202021546245 U CN 202021546245U CN 212784819 U CN212784819 U CN 212784819U
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Abstract
The utility model discloses a two voltage emergency starting power supply, wherein, including power supply body and voltage switching plug, power supply body's preceding surface is provided with switch, the mouth that charges, LED display screen, LED lamp, anodal output and negative pole output, power supply body's preceding surface still be provided with voltage switching plug complex voltage switching mouth, power supply body's inside is provided with PCB circuit board, energy storage electroplax A and energy storage electroplax B, energy storage electroplax A's positive pole and negative pole and energy storage electroplax B's positive pole and negative pole are all connected the voltage switching mouth, the utility model discloses simple structure, convenient operation, output voltage switches conveniently, and power safety in utilization is high, is suitable for the substitute product as current emergency starting power supply.
Description
Technical Field
The utility model relates to an emergent starting power field technique especially relates to a two voltage emergency starting power supply.
Background
The automobile emergency starting power supply is a battery which utilizes high-rate discharge of a lithium polymer battery or a lithium iron phosphate battery and the like, is power supply equipment which can start an automobile under the condition that the automobile starting battery fails, the automobile starting voltage is generally 12V, the starting voltage of a large automobile is 24V, in order to deal with the condition that the automobile is difficult to start due to insufficient electric quantity of the automobile, the automobile emergency starting power supply is generally placed on the automobile at present, and is small in size and convenient to carry, so that the automobile emergency starting power supply is rapidly raised in the market.
In order to meet the requirement of large-current application in starting automobiles, the battery capacity of the equipment is large, the high-rate discharge battery is adopted, the output voltage of the conventional emergency starting power supply is single, the circuit protection corresponding to the starting power supply is lacked, and under the condition that the battery is damaged, the battery is swelled when being charged again, or the battery is on fire, so that huge property and personal safety risks can be caused.
Therefore, a new technical solution is needed to solve the above-mentioned shortcomings.
Disclosure of Invention
The utility model aims to solve the problem that overcome not enough among the prior art, provide a two voltage emergency starting power supply.
The novel use is realized by the following technical scheme:
the utility model provides a emergent start power of dual-voltage, wherein, includes power body and voltage switching plug, power body's preceding surface is provided with the switch, charges mouthful, LED display screen, LED lamp, anodal output and negative pole output, power body's preceding surface still be provided with voltage switching plug complex voltage switching mouth, power body's inside is provided with PCB circuit board, energy storage electroplax A and energy storage electroplax B, energy storage electroplax A's positive pole and negative pole and energy storage electroplax B's positive pole and negative pole are all connected voltage switching mouth.
Preferably, the voltage switching plug include with voltage switching mouth matched with plug piece, the one end fixedly connected with of plug piece is convenient for pull out and insert the handle of plug piece, the side of handle all is provided with anti-skidding line.
Preferably, the voltage switching port is provided with 4 sockets, the sockets correspond to the positive pole and the negative pole of the energy storage electric plate a and the positive pole and the negative pole of the energy storage electric plate B respectively, and the voltage switching plug is provided with 4 corresponding plugs.
Preferably, the PCB circuit board includes an MCU main control unit and a lithium battery protection circuit.
Preferably, the energy storage electric board A and the energy storage electric board B are both 12V voltage power supply boards.
Preferably, the voltage switching plug comprises one of two kinds of plugs which can be 12V voltage plugs or 24V voltage plugs.
Advantageous effects
Compared with the prior art, the utility model has the advantages and positive effects that the emergency starting power supply changes the series or parallel state of the energy storage electric plate A and the energy storage electric plate B in the power supply by setting different voltage switching plugs to realize the switching of different output voltages, solves the problems of single output power supply or inconvenient switching of the output voltage in the prior art, and the utility model realizes the protection of the emergency starting power supply by setting a protection circuit on a PCB circuit board, setting the protection of an overload circuit and the protection of a low-voltage circuit, and avoids various potential safety hazards caused by the damage of the emergency starting power supply; the utility model discloses simple structure, convenient operation, output voltage switches conveniently, and power safety in utilization is high, is suitable for the substitute product as current emergent starting power supply.
Drawings
Fig. 1 is the structure schematic diagram of the dual-voltage emergency starting power supply of the present invention.
Fig. 2 is the structure schematic diagram of the front surface of the dual-voltage emergency starting power supply of the present invention.
Fig. 3 is a schematic structural diagram of the voltage switching plug of the dual-voltage emergency starting power supply of the present invention.
In the figure: 1-power body, 2-voltage switching plug, 201-plug, 202-handle, 3-LED lamp, 4-charging port, 5-voltage switching port, 6-switch, 7-LED display screen, 8-positive output terminal, 9-negative output terminal.
Detailed Description
To further illustrate the technical means and effects of the present invention for achieving the predetermined purpose, the following detailed description of the dual-voltage emergency starting power supply according to the present invention will be given with reference to the accompanying drawings and the preferred embodiments.
As shown in fig. 1 to 3, a dual voltage emergency starting power supply, which comprises a power supply body 1 and a voltage switching plug 2, the front outer surface of the power supply body 1 is provided with a switch 6, a charging port 4, an LED display screen 7, an LED lamp 3, an anode output end 8 and a cathode output end 9, the front outer surface of the power supply body 1 is also provided with a voltage switching port 5 matched with the voltage switching plug 2, the power supply body 1 is internally provided with a PCB circuit board, an energy storage electric plate A and an energy storage electric plate B, the positive electrode and the negative electrode of the energy storage electric plate A and the positive electrode and the negative electrode of the energy storage electric plate B are both connected with the voltage switching port 5, the energy storage electric plate A and the energy storage electric plate B are charged through the charging port 4, after charging is completed, different voltage switching plugs 2 are inserted, the switch 6 is turned on, and currents with different voltages are output through the positive output end 8 and the negative output end 9.
Further, as shown in fig. 3, the voltage switching plug 2 includes a plug block 201 matched with the voltage switching port 5, one end of the plug block 201 is fixedly connected with a handle 202 which is convenient for plugging and unplugging the plug block 201, and the side surfaces of the handle 202 are all provided with anti-skid threads.
Further, voltage switching mouth 5 is provided with 4 sockets, the socket corresponds respectively energy storage electroplax A's positive pole and negative pole and energy storage electroplax B's positive pole and negative pole, voltage switching plug 2 is provided with corresponding 4 plugs.
Further, the PCB circuit board comprises an MCU main control unit and a lithium battery protection circuit, the lithium battery protection circuit is composed of two field effect transistors and a special protection integrated block S-8232, the overcharge control transistor FET2 and the overdischarge control transistor FET1 are connected in series in the circuit, the battery voltage is monitored and controlled by the protection IC, when the battery voltage rises to 90% of the rated voltage capacity, the overcharge protection transistor FET2 is turned off, and the charging is stopped; when the battery voltage drops to 20% of the rated voltage capacity in the discharged state of the battery, the over-discharge control tube FET1 is turned off to stop the supply of power to the load.
Further, energy storage electroplax A and energy storage electroplax B are 12V voltage power supply board, and when energy storage electroplax A and energy storage electroplax B establish ties, output voltage is 24V, and when energy storage electroplax A and energy storage electroplax B were parallelly connected, output voltage was 12V.
Further, the voltage switching plug 2 includes one of two kinds of plugs which may be 12V voltage plugs or 24V voltage plugs.
The first embodiment is as follows:
when the voltage switching plug 2 is a 12V voltage plug, the anode of the energy storage electric plate A is connected with the anode of the energy storage electric plate B, the cathode of the energy storage electric plate A is connected with the cathode of the energy storage electric plate B, and the energy storage electric plate A and the energy storage electric plate B are in a parallel connection state.
Example two:
when the voltage switching plug 2 is a 24V voltage plug, the anode of the energy storage electric plate A is connected with the cathode of the energy storage electric plate B, or the cathode of the energy storage electric plate A is connected with the anode of the energy storage electric plate B, and the energy storage electric plate A and the energy storage electric plate B are in a series connection state.
The series or parallel state of the energy storage electric plate A and the energy storage electric plate B is changed through different internal circuits of the voltage switching plug 2, so that switching of different output voltages is realized.
The working principle is as follows:
as shown in fig. 1 to 3, the energy storage panel a and the energy storage panel B are charged through the charging port 4, when the charging is performed to 90% of the rated voltage capacity, the charging is completed, the charging is automatically stopped, different voltage switching plugs 2 are inserted, the switch 6 is turned on, currents of different voltages are output through the positive output terminal 8 and the negative output terminal 9, specifically, the series or parallel connection state of the energy storage panel a and the energy storage panel B is changed through different internal circuits of the voltage switching plugs 2, so as to realize the switching of different output voltages, and when the discharging is performed to 20% of the rated voltage capacity, the discharging is automatically stopped.
In the above working principle, the utility model discloses a set up different voltage switching plugs 2, change the series connection or the parallel state of energy storage electroplax A and energy storage electroplax B in the power to realize the switching of different output voltage, solved the output power supply singleness among the prior art, or the inconvenient problem of output voltage switching, just the utility model discloses a set up protection circuit at the PCB circuit board, set for overload circuit protection and low voltage circuit protection, realize the protection corresponding to the emergency starting power supply, avoid the various potential safety hazards that cause in response to the emergency starting power supply is impaired; the utility model discloses simple structure, convenient operation, output voltage switches conveniently, and power safety in utilization is high, is suitable for the substitute product as current emergent starting power supply.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all those skilled in the art can make any simple modifications, equivalent changes and modifications to the above embodiments without departing from the technical scope of the present invention.
Claims (6)
1. The utility model provides a two voltage emergency starting power supply, its characterized in that, includes power supply body (1) and voltage switching plug (2), the preceding surface of power supply body (1) is provided with switch (6), the mouth that charges (4), LED display screen (7), LED lamp (3), positive output (8) and negative pole output (9), the preceding surface of power supply body (1) still be provided with voltage switching plug (2) complex voltage switching mouth (5), the inside of power supply body (1) is provided with PCB circuit board, energy storage electroplax A and energy storage electroplax B, energy storage electroplax A's positive pole and negative pole and energy storage electroplax B's positive pole and negative pole are all connected voltage switching mouth (5).
2. The dual voltage emergency starting power supply of claim 1, wherein: voltage switching plug (2) include with voltage switching mouth (5) matched with plug piece (201), the one end fixedly connected with of plug piece (201) is convenient for pull out and inserts handle (202) of plug piece (201), the side of handle (202) all is provided with anti-skidding line.
3. The dual voltage emergency starting power supply of claim 1, wherein: voltage switching mouth (5) are provided with 4 sockets, the socket corresponds respectively energy storage electroplax A's positive pole and negative pole and energy storage electroplax B's positive pole and negative pole, voltage switching plug (2) are provided with corresponding 4 plugs.
4. The dual voltage emergency starting power supply of claim 1, wherein: the PCB circuit board comprises an MCU main control unit and a lithium battery protection circuit.
5. The dual voltage emergency starting power supply of claim 1, wherein: the energy storage electric board A and the energy storage electric board B are both 12V voltage power supply boards.
6. The dual voltage emergency starting power supply of claim 1, wherein: the voltage switching plug (2) is a 12V voltage plug or a 24V voltage plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021546245.1U CN212784819U (en) | 2020-07-30 | 2020-07-30 | Double-voltage emergency starting power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021546245.1U CN212784819U (en) | 2020-07-30 | 2020-07-30 | Double-voltage emergency starting power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212784819U true CN212784819U (en) | 2021-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021546245.1U Active CN212784819U (en) | 2020-07-30 | 2020-07-30 | Double-voltage emergency starting power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212784819U (en) |
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2020
- 2020-07-30 CN CN202021546245.1U patent/CN212784819U/en active Active
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