CN206602389U - A kind of intelligent controlling device of automotive ignition power supply - Google Patents
A kind of intelligent controlling device of automotive ignition power supply Download PDFInfo
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- CN206602389U CN206602389U CN201720311411.1U CN201720311411U CN206602389U CN 206602389 U CN206602389 U CN 206602389U CN 201720311411 U CN201720311411 U CN 201720311411U CN 206602389 U CN206602389 U CN 206602389U
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Abstract
The utility model discloses a kind of intelligent controlling device of automotive ignition power supply, it is characterised in that including：For detecting the voltage between automobile positive pole and negative pole and exporting the automotive voltage detection module of corresponding first voltage value, for detecting the voltage between lithium battery anode and negative pole and exporting the battery voltage sensing module of corresponding second voltage value, it is located at the switch module between lithium battery and automobile power source, for receiving the first voltage value, second voltage value and outputing control signals to the switch module according to the relation between first voltage value, second voltage value and preset value, to control the control module of the loop break-make between lithium battery and automobile power source.There are abnormal conditions when detecting lithium battery to automotive ignition in the utility model, and firing circuit can be disconnected automatically, and short circuit or lithium battery are crossed to put and caused the accident when preventing lithium battery to automotive ignition, simple in construction, and cost is relatively low.
Description
Technical field
The utility model is related to field of circuit control, more particularly to a kind of intelligent control of automotive ignition power supply is filled
Put.
Background technology
In the prior art, the power supply igniting for needing to use the battery pack of automobile itself to provide during automobile starting is started with starting
Machine, if the battery pack power consumption of automobile itself is reached when making battery pack output voltage relatively low to a certain degree, the battery of automobile
Group cannot provide enough voltage and realize igniting, cause automobile not start, therefore, people generally have outside on automobile
Power supply unit does emergency starting for automobile and used, but product safety performance on the market is inadequate, may be grasped during emergent connection
Making error causes the both positive and negative polarity direct short-circuit of outside starter, or even access battery pack both positive and negative polarity all None- identifieds, once even
Error is connect, very big harm can be caused to personal property, while the circuit knot of the control device of the automotive ignition power supply of in the market
Structure is complicated, and maintenance cost is higher.
Therefore, the prior art is defective, it is necessary to improve.
Utility model content
Technical problem to be solved in the utility model is：Offer is a kind of can to prevent the externally fed device power supply (DPS) of automobile
Both positive and negative polarity and the reversal connection of automobile incoming end both positive and negative polarity short circuit, and can prevent externally fed device power supply (DPS) cross put, overcharge, Yi Ji electricity
Output protection is flowed, and circuit structure is simple, a kind of lower-cost intelligent controlling device of automotive ignition power supply.
The technical solution of the utility model is as follows：A kind of intelligent controlling device of automotive ignition power supply, including：For detecting
Voltage between automobile positive pole and negative pole and the automotive voltage detection module for exporting corresponding first voltage value, for detecting lithium electricity
Voltage between pond positive pole and negative pole and the battery voltage sensing module for exporting corresponding second voltage value, are located at lithium battery and vapour
Switch module between car power supply, for receive the first voltage value, second voltage value and according to first voltage value, second electricity
Relation between pressure value and preset value outputs control signals to the switch module, to control between lithium battery and automobile power source
The control module of loop break-make；
Wherein, the first voltage input of the first voltage output end of automotive voltage detection module and the control module connects
Connect；The second voltage output end of battery voltage sensing module is connected with the second voltage input of the control module；Control mould
The control signal output of block is connected with the controlled end of the switch module.
Applied to above-mentioned technical proposal, in the intelligent controlling device of the automotive ignition power supply, the automotive voltage detection
Module includes：First order operational amplifier, second level operational amplifier, first resistor, second resistance, 3rd resistor, the 4th electricity
Resistance, the 5th resistance, the 6th resistance, the 7th resistance, the first electric capacity, the second electric capacity and the 3rd electric capacity；
Wherein, the first order operational amplifier in-phase input end is electrically connected with automobile power source, and the in-phase input end is passed through
Second resistance is electrically connected with automobile power source, and its inverting input is grounded through first resistor, and the inverting input is through 3rd resistor
Electrically connected with its output end；The 3rd resistor is in parallel with first electric capacity；
The output end of the first order operational amplifier is through the 4th resistance and the second level operational amplifier homophase input
End electrical connection；The inverting input of the second level operational amplifier is through the 5th resistance eutral grounding, and the inverting input is also through the 6th
Resistance is electrically connected with its output end；6th resistance is in parallel with the 3rd electric capacity；The output end of the second level operational amplifier
Electrically connected through the 7th resistance with the first voltage input of the control module.
Applied to each above-mentioned technical scheme, in the intelligent controlling device of the automotive ignition power supply, the cell voltage
Detection module includes：8th resistance, the 9th resistance, the tenth resistance, the 4th electric capacity and TVS diode；Wherein, the 8th resistance
First end electrically connected with the positive pole of lithium battery, the second end of the 8th resistance is electrically connected with the first end of the 9th resistance, the 8th electricity
Node between resistance and the 9th resistance is electrically connected with the negative electrode of TVS diode, the plus earth of TVS diode；Tenth resistance and
4th electric capacity is in parallel, and the first end of the tenth resistance is electrically connected with the second end of the 9th resistance, the second end ground connection of the tenth resistance；The
Node between nine resistance and the tenth resistance as battery voltage sensing module second voltage output end and control module
Two voltage input ends are connected.
Applied to each above-mentioned technical scheme, in the intelligent controlling device of the automotive ignition power supply, in addition to for working as
There is the alarm module of abnormal conditions alarm, the controlled end of the alarm module and the alarm signal of the control module are exported
End connection.
Applied to each above-mentioned technical scheme, in the intelligent controlling device of the automotive ignition power supply, the alarm module
Including LED and/or buzzer.
Using such scheme, the utility model is by setting automotive voltage detection module, battery voltage sensing module, switch
Module and control module, when the lithium battery is started to automotive ignition, are able to detect that the short circuit connection of clip both positive and negative polarity, energy
Enough detect battery and cross and put, but also be able to detect that automobile power source gives battery reverse irrigated current, lithium battery is opened to automotive ignition
Safer when dynamic, simple in construction, cost is relatively low.
Brief description of the drawings
Fig. 1 is principle block diagram of the present utility model；
Fig. 2 is top view of the present utility model；
Fig. 3 is automotive voltage detection module circuit diagram of the present utility model；
Fig. 4 is battery voltage sensing module circuit diagram of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Such as Fig. 1, it is integral module schematic diagram of the present utility model；Such as Fig. 2, it is top view of the present utility model；Such as
Fig. 3, it is that automotive voltage of the present utility model detects circuit diagram；Such as Fig. 4, it is battery voltage detection circuit of the present utility model
Figure.
A kind of intelligent controlling device of automotive ignition power supply is present embodiments provided, including：For detecting automobile positive pole 108
Voltage between automobile negative pole 110 and the automotive voltage detection module 109 for exporting corresponding first voltage value, for detecting lithium
Voltage between anode 101 and cathode of lithium battery 103 and the battery voltage sensing module for exporting corresponding second voltage value
102, the switch module 107 between lithium battery and automobile power source is located at, for receiving the first voltage value, second voltage value simultaneously
The switch module 107 is output control signals to according to the relation between first voltage value, second voltage value and preset value, to control
The control module 106 of loop break-make between lithium battery and automobile power source processed；
Wherein, the first voltage of the first voltage value output end of automotive voltage detection module 109 and the control module 106
It is worth input connection；The second voltage of the second voltage value output end of battery voltage sensing module 102 and the control module 106
It is worth input connection；The control signal output of control module 106 is connected with the controlled end of the switch module 107.
As shown in Figure 1 and Figure 2, each control module circuits assembly is in PCBA board 203, and PCBA board 203 is assemblied in
Among intelligent control box 202, the side of intelligent control box 202 stretch out respectively anode connection terminal 201 corresponding with battery plus-negative plate,
Negative pole connection terminal 207, while the opposite side of intelligent control box 202 also stretches out two connecting lines 204, two connecting lines be connected to
Automobile power source both positive and negative polarity distinguishes corresponding positive pole clip 205, negative pole clip 206, and wherein automobile power source positive pole 108 is directly by the
Positive pole clip 205 is directly electrically connected with lithium battery anode 101, and automobile power source negative pole 110 passes through negative pole clip 206 and switch module
107 output end connection, the utility model is by controlling the connection between cathode of lithium battery 103 and automobile power source negative pole 110 to close
System come control lithium battery give automotive ignition start, certainly, the utility model can also be by controlling lithium battery anode 101 and automobile
Annexation between positive source 108 controls the lithium battery to start to automotive ignition, and no limitations are hereby intended, according to reality
Situation is set.
Such as Fig. 1, lithium battery group provides general supply, and power circuit 104 provides operating voltage to control module 106, control
Module 106 is MCU single-chip microcomputers, and certainly, control module can also be replaced with CPLD or FPGA, be not limited herein, according to reality
Border situation is set, and automotive voltage detection module 109 is electrically connected with automobile power source both positive and negative polarity, and automotive voltage detection module 109 will be examined
The automotive voltage measured exports first voltage to single-chip microcomputer after calculation process, and single-chip microcomputer is provided with what is contrasted with first voltage
First preset value, when first voltage matches with the first predeterminated voltage, i.e., the both positive and negative polarity of lithium battery and automobile power source is positive and negative
Pole reversal connection or the situation of two clips short circuit, single-chip microcomputer, which is made, exports disconnection control signal to switch module 107, switch after computing
Module 107 is metal-oxide-semiconductor or relay, in this way, switch module 107 obtains disconnecting metal-oxide-semiconductor or relay circuit after signal, from
And disconnect the connection between lithium battery and automobile power source.
Meanwhile, battery voltage sensing module 102 is electrically connected with lithium battery both positive and negative polarity, and battery voltage sensing module 102 will be examined
The lithium battery voltage measured exports second voltage to single-chip microcomputer after calculation process, and single-chip microcomputer is provided with to be contrasted with second voltage
The second preset value, when second voltage and the second predeterminated voltage match, i.e., lithium battery was in the state of putting, and single-chip microcomputer is made
Disconnection control signal is exported after computing to switch module 107, in this way, switch module 107 obtain disconnecting after signal metal-oxide-semiconductor or after
Appliance circuit, so as to disconnect the connection between lithium battery and automobile power source.
Also, automotive voltage detection module 109 and battery voltage sensing module 102 can also be detected in automobile power source
Whether electric current is blowed back into lithium battery, when automotive voltage detection module 109 detects electric current backflow, is exported after calculation process
Tertiary voltage is to single-chip microcomputer, and single-chip microcomputer is provided with the 3rd preset value contrasted with tertiary voltage, when tertiary voltage and the 3rd is preset
When voltage matches, single-chip microcomputer, which is made, exports disconnection control signal to switch module 107 after computing；Similarly, when cell voltage is examined
Survey module 102 and detect electric current backflow, the 4th voltage is exported after calculation process to single-chip microcomputer, single-chip microcomputer is provided with and the 4th
4th preset value of voltage-contrast, when the 4th voltage and the 4th predeterminated voltage match, single-chip microcomputer, which is made, exports disconnected after computing
Control signal is opened to switch module, in this way, switch module obtains disconnecting metal-oxide-semiconductor or relay circuit after signal, so as to disconnect
Connection between lithium battery and automobile power source.
Certainly, if automotive voltage detection module 109 does not export first voltage value and third voltage value, and battery electricity
Pressure detection module 102 does not export second voltage value and the 4th magnitude of voltage yet, then single-chip microcomputer will not make calculation process output and break
Control signal is opened to switch module 107, the circuit between lithium battery and automobile power source is in closure state, to meet car engine
Machine igniting starts.
Further, in order to realize that automotive voltage detects and exports first voltage value and third voltage value, automotive voltage inspection
Surveying module 109 includes：First order operational amplifier, second level operational amplifier, first resistor R1, second resistance R2, the 3rd electricity
Hinder R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the first electric capacity C1, the second electric capacity C2 and the 3rd
Electric capacity C3；
Wherein, the first order operational amplifier in-phase input end is electrically connected with automobile power source, and the in-phase input end is passed through
Second resistance R2 is electrically connected with automobile power source, and its inverting input is grounded through first resistor R1, and the inverting input is through the 3rd
Resistance R3 is connected with its output end；The 3rd resistor R3 is in parallel with the first electric capacity C1；
The output end of the first order operational amplifier is through the 4th resistance R4 with the second level operational amplifier with mutually defeated
Enter end electrical connection；The inverting input of the second level operational amplifier is grounded through the 5th resistance R5, and the inverting input is also passed through
6th resistance R6 is electrically connected with its output end；The 6th resistance R6 is in parallel with the 3rd electric capacity C3；The second level operation amplifier
The output end of device is connected through the 7th resistance R7 with the first voltage input of the control module.
Principle is as follows：Such as Fig. 3, automotive voltage is set to detect between automobile power source positive pole 108 and automobile power source negative pole 110
Module, automotive voltage detection module 109 obtains voltage signal, voltage letter from automobile power source positive pole 108 and automobile power source negative pole 110
Number first order operational amplifier is flowed to through second resistance R2, second resistance R2 can prevent automotive voltage detection module 109 due to electricity
Short out road and burn out, voltage signal from first order operational amplifier in-phase input end INT1+ flow into first order operational amplifier in,
First order operational amplifier inverting input INT1- through first resistor R1 be grounded, and the inverting input through 3rd resistor R3 with
Its output end is electrically connected；The 3rd resistor R3 is in parallel with the first electric capacity C1；In this way, voltage signal passes through first order computing
The first step voltage is exported after device calculation process.
First step voltage flows to second level operational amplifier through the 4th resistance R4, and the first step voltage is from second level operation amplifier
Device in-phase input end INT2+ is flowed into the operational amplifier of the second level, and second level operational amplifier inverting input INT2- is through the 5th
Resistance R5 is grounded, and second level operational amplifier inverting input INT2- is also electrically connected through the 6th resistance R6 with its output end, and the 6th
Resistance R6 and the 3rd electric capacity C3 is in parallel, and the first step voltage exports the second step voltage after the processing of second level internalarithmetic, the
The output end of two-level operating amplifier is connected through the 7th resistance R7 with the first voltage input of the control module 106, in this way,
Second step voltage by second level operational amplifier traffic organising module 106, wherein, the second step voltage comprising first voltage value and
The second step voltage that third voltage value, i.e. automobile power source are exported when short-circuit is first voltage value, when the electric current of automobile power source pours in down a chimney
It is third voltage value to enter the second step voltage exported during lithium battery, and first voltage value and second voltage value are all by control module 106
First voltage input input single-chip microcomputer.
Further, in order to realize battery voltage detection and export second voltage value and the 4th magnitude of voltage, cell voltage
Detection module includes：8th resistance R8, the 9th resistance R9, the tenth resistance R10, the 4th electric capacity C4 and TVS diode；Wherein,
8th resistance R8 first end is electrically connected with the positive pole of lithium battery, the 8th resistance R8 the second end and the 9th resistance R9 first end
Electrical connection, the node between the 8th resistance R8 and the 9th resistance R9 is electrically connected with the negative electrode of TVS diode, the sun of TVS diode
Pole is grounded；Tenth resistance R10 and the 4th electric capacity C4 is in parallel, the tenth resistance R10 first end and the 9th resistance R9 the second end electricity
Connection, the tenth resistance R10 the second end ground connection；Node between 9th resistance R9 and the tenth resistance R10 is examined as cell voltage
The second voltage output end for surveying module 102 is connected with the second voltage input of control module 106.
Principle is as follows：Such as Fig. 4, the input of battery voltage sensing module 102 directly connects with lithium battery anode 101, lithium electricity
Pond positive pole 101 is electrically connected with the 8th resistance R8 first ends, there is a node between the 8th resistance R8 and the 9th resistance R9, node with
The negative electrode electrical connection of TVS diode, the plus earth of TVS diode, TVS diode is used to prevent cell voltage from causing electricity extremely
Road is burnt out；Tenth resistance R10 and the 4th electric capacity C4 is in parallel, the tenth resistance R10 first end and the 9th resistance R9 the second end electricity
Connection, the tenth resistance R10 the second end ground connection；Node between 9th resistance R9 and the tenth resistance R10 is examined as cell voltage
The second voltage output end for surveying module 102 is connected with the second voltage input of control module 106, in this way, second voltage value is believed
Number by control module 106 second voltage input input single-chip microcomputer, wherein, lithium battery crosses battery voltage sensing module when putting
102 second voltage output ends export second voltage value, if the electric current of automobile power source pours in down a chimney battery voltage detection mould during into lithium battery
The second voltage output end of block 102 then exports the 4th magnitude of voltage, and the 4th voltage value signal is also by the second voltage of control module 106
Input inputs single-chip microcomputer.
Further, in order to be apparent from automobile power source both positive and negative polarity and lithium battery both positive and negative polarity whether reversal connection, positive pole clip
With negative pole clip whether short circuit, whether lithium battery is crossed puts and whether automobile power source electric current pours in down a chimney in lithium battery, the automobile
In the intelligent controlling device of priming supply, in addition to for that the alarm module 105 of abnormal conditions alarm, the alarm ought occur
The controlled end of module 105 is connected with the alarm signal output ends of the control module 106.
Principle is as follows：When automotive voltage detection module 109 exports first voltage value or third voltage value, battery voltage detection
Module 102 exports the first predeterminated voltage in second voltage value or the 4th magnitude of voltage, single-chip microcomputer, the second predeterminated voltage, the 3rd pre-
If voltage, the 4th predeterminated voltage match corresponding magnitude of voltage, single-chip microcomputer output alarm signal after calculation process gives report
Alarm device 105, reminds the user that the connection between lithium battery and automobile power source is broken down.Therefore, when both positive and negative polarity clip connects
When connecing load short circuits, because control module 106 can be judged in time, whole circuit connection is disconnected, so, even if clip is just
Negative pole short circuit will not also produce electric spark, can be good at preventing the generation of fire.
Further, in order to meet the demand that user is different, different warning devices, the alarm module 105 are selected
Including LED and/or buzzer.
Principle is as follows：When automotive voltage is abnormal, single-chip microcomputer output alarm signal is to warning device, and user can be according to oneself
Actual conditions selection use LED or buzzer；Similarly, when cell voltage is abnormal, single-chip microcomputer output alarm signal is to report
Alarm device, user equally can use LED or buzzer according to the actual conditions of oneself selection, and warning device is here
Any limitation is not done, is set according to actual conditions.
Using such scheme, the utility model is by setting automotive voltage detection module, battery voltage sensing module, switch
Module and control module, when the lithium battery is started to automotive ignition, are able to detect that the short circuit connection of clip both positive and negative polarity, energy
Enough detect lithium battery and cross and put, but also be able to detect that automobile power source gives lithium battery reverse irrigated current, lithium battery is given automobile electricity
Source point fire is safer when starting, and simple in construction, cost is relatively low.
Preferred embodiment of the present utility model is these are only, the utility model is not limited to, it is all in this practicality
Any modifications, equivalent substitutions and improvements made within new spirit and principle etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (5)
1. a kind of intelligent controlling device of automotive ignition power supply, it is characterised in that including：For detect automobile positive pole and negative pole it
Between voltage and export the automotive voltage detection module of corresponding first voltage value, for detecting between lithium battery anode and negative pole
Voltage and export the battery voltage sensing module of corresponding second voltage value, be located at the switch between lithium battery and automobile power source
Module, for receiving the first voltage value, second voltage value and according between first voltage value, second voltage value and preset value
Relation output control signals to the switch module, to control the control mould of the loop break-make between lithium battery and automobile power source
Block；
Wherein, the first voltage output end of automotive voltage detection module is connected with the first voltage input of the control module；
The second voltage output end of battery voltage sensing module is connected with the second voltage input of the control module；Control module
Control signal output is connected with the controlled end of the switch module.
2. the intelligent controlling device of automotive ignition power supply according to claim 1, it is characterised in that the automotive voltage inspection
Surveying module includes：First order operational amplifier, second level operational amplifier, first resistor, second resistance, 3rd resistor, the 4th
Resistance, the 5th resistance, the 6th resistance, the 7th resistance, the first electric capacity, the second electric capacity and the 3rd electric capacity；
Wherein, the first order operational amplifier in-phase input end is electrically connected with automobile power source, and the in-phase input end is through second
Resistance is electrically connected with automobile power source, and its inverting input is grounded through first resistor, and the inverting input is through 3rd resistor and its
Output end is connected；The 3rd resistor is in parallel with first electric capacity；
The output end of the first order operational amplifier is through the 4th resistance and second level operational amplifier in-phase input end electricity
Connection；The inverting input of the second level operational amplifier is through the 5th resistance eutral grounding, and the inverting input is also through the 6th resistance
Electrically connected with its output end；6th resistance is in parallel with the 3rd electric capacity；The output end of the second level operational amplifier is through
Seven resistance are connected with the first voltage input of the control module.
3. the intelligent controlling device of automotive ignition power supply according to claim 1, it is characterised in that the cell voltage inspection
Surveying module includes：8th resistance, the 9th resistance, the tenth resistance, the 4th electric capacity and TVS diode；Wherein, the 8th resistance
First end is electrically connected with the positive pole of lithium battery, and the second end of the 8th resistance is electrically connected with the first end of the 9th resistance, the 8th resistance
And the 9th node between resistance is electrically connected with the negative electrode of TVS diode, the plus earth of TVS diode；Tenth resistance and
Four electric capacity are in parallel, and the first end of the tenth resistance is electrically connected with the second end of the 9th resistance, the second end ground connection of the tenth resistance；9th
Node between resistance and the tenth resistance as battery voltage sensing module second voltage output end and control module second
Voltage input end is connected.
4. the intelligent controlling device of automotive ignition power supply according to claim 1, it is characterised in that also including for working as
The alarm module of existing abnormal conditions alarm, the controlled end of the alarm module and the alarm signal output ends of the control module
Connection.
5. the intelligent controlling device of automotive ignition power supply according to claim 4, it is characterised in that the alarm module bag
Include LED and/or buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720311411.1U CN206602389U (en) | 2017-03-28 | 2017-03-28 | A kind of intelligent controlling device of automotive ignition power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720311411.1U CN206602389U (en) | 2017-03-28 | 2017-03-28 | A kind of intelligent controlling device of automotive ignition power supply |
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| Publication Number | Publication Date |
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| CN206602389U true CN206602389U (en) | 2017-10-31 |
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| CN201720311411.1U Active CN206602389U (en) | 2017-03-28 | 2017-03-28 | A kind of intelligent controlling device of automotive ignition power supply |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086559A (en) * | 2017-06-16 | 2017-08-22 | 深圳市华思旭科技有限公司 | A kind of safe connection equipment for external power supply |
| CN108471153A (en) * | 2018-04-13 | 2018-08-31 | 上海海加网络科技有限公司 | A kind of portable multifunctional electricity library |
| CN112821504A (en) * | 2021-02-01 | 2021-05-18 | 深圳市南霸科技有限公司 | Emergency starting power supply |
| CN114353606A (en) * | 2021-11-30 | 2022-04-15 | 河北汉光重工有限责任公司 | On-missile ignition circuit and method for underwater missile |
| WO2024067696A1 (en) * | 2022-09-28 | 2024-04-04 | 谢燕琳 | Automobile startup power source and automobile startup apparatus |
-
2017
- 2017-03-28 CN CN201720311411.1U patent/CN206602389U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086559A (en) * | 2017-06-16 | 2017-08-22 | 深圳市华思旭科技有限公司 | A kind of safe connection equipment for external power supply |
| CN108471153A (en) * | 2018-04-13 | 2018-08-31 | 上海海加网络科技有限公司 | A kind of portable multifunctional electricity library |
| CN112821504A (en) * | 2021-02-01 | 2021-05-18 | 深圳市南霸科技有限公司 | Emergency starting power supply |
| CN112821504B (en) * | 2021-02-01 | 2021-09-14 | 深圳市南霸科技有限公司 | Emergency starting power supply |
| CN114353606A (en) * | 2021-11-30 | 2022-04-15 | 河北汉光重工有限责任公司 | On-missile ignition circuit and method for underwater missile |
| WO2024067696A1 (en) * | 2022-09-28 | 2024-04-04 | 谢燕琳 | Automobile startup power source and automobile startup apparatus |
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