CN109412225B - Charging reminding device of automobile emergency starting power supply - Google Patents
Charging reminding device of automobile emergency starting power supply Download PDFInfo
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- CN109412225B CN109412225B CN201811205755.XA CN201811205755A CN109412225B CN 109412225 B CN109412225 B CN 109412225B CN 201811205755 A CN201811205755 A CN 201811205755A CN 109412225 B CN109412225 B CN 109412225B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Alarm Systems (AREA)
- Emergency Alarm Devices (AREA)
Abstract
A charging reminding device of an automobile emergency starting power supply belongs to the technical field of vehicle power supplies. The device comprises a vehicle door state module, a vehicle door state detection module and a vehicle door state detection module, wherein the vehicle door state detection module is used for detecting the opening and closing state of a vehicle door at the side of a driver position; the engine state module is used for detecting the working state of the automobile engine; the charging reminding module is used for reminding a driver of charging; the power supply detection module is used for detecting the electric quantity of the automobile emergency starting power supply and triggering the charging reminding module to work when the electric quantity is insufficient; and the control module is used for triggering the power supply detection module to work when the vehicle door state module detects the vehicle door opening state and the engine state module detects the engine flameout state. The invention can detect the electric quantity of the automobile emergency starting power supply when a driver is positioned in a driver seat and an engine is flamed out, and can prompt charging in time once the electric quantity is insufficient, thereby avoiding that the automobile can not be used in emergency due to the fact that the emergency starting power supply can not be used in emergency state.
Description
Technical Field
The invention relates to the technical field of vehicle charging, in particular to a charging reminding device for an automobile emergency starting power supply.
Background
Under the condition that the automobile storage battery cannot start the automobile due to insufficient electric quantity or exhausted electric quantity, the automobile storage battery can be charged by using a built-in battery of the automobile emergency starting power supply, and the built-in battery of the automobile emergency starting power supply indirectly provides starting current required by the automobile so as to start the automobile.
When utilizing cigar lighter socket to charge for car battery, because the current limitation of cigar lighter, give car battery charging process slow, car itself is power consumptive in charging process, leads to emergent start-up effect not good then, and sometimes the electric quantity exhausts, can't start the car. In order to avoid the situation that the automobile cannot be started in an emergency due to insufficient electric quantity or exhaustion, a device for reminding charging in time is needed.
Disclosure of Invention
The invention provides a charging reminding device for preventing an emergency fault caused by low electric quantity of an automobile emergency starting power supply, aiming at the problems in the prior art.
The invention is realized by the following technical scheme:
the invention relates to a charging reminding device of an automobile emergency starting power supply, which comprises:
the vehicle door state module is used for detecting the opening and closing state of a vehicle door at the side of the driver position;
the engine state module is used for detecting the working state of the automobile engine;
the charging reminding module is used for reminding a driver of charging;
the power supply detection module is used for detecting the electric quantity of the automobile emergency starting power supply and triggering the charging reminding module to work when the electric quantity is insufficient;
and the control module is used for triggering the power supply detection module to work when the vehicle door state module detects the vehicle door opening state and the engine state module detects the engine flameout state.
Preferably, the charging reminding device for the automobile emergency starting power supply further comprises a wireless signal transceiving module, and the wireless signal transceiving module is used for receiving detection information of the automobile door state module and the engine state module and sending the detection information to the control module.
Preferably, the charging reminding module comprises an audible alarm and an indicator light.
Preferably, the charging reminding device of the automobile emergency starting power supply further comprises an emergency release switch for releasing the reminding state of the charging reminding module.
Preferably, the power detection module comprises a power allowance detection unit and an electric quantity judgment unit, the power allowance detection unit is used for detecting the automobile emergency starting power allowance, the electric quantity judgment unit is used for judging whether the electric quantity of the automobile emergency starting power is smaller than a preset power threshold value, if so, the electric quantity is insufficient, and the charging reminding module is triggered to work.
Preferably, the control module includes:
the vehicle door state unit is used for receiving the opening and closing state information of the vehicle door at the side of the driver position detected by the vehicle door state module;
the engine state unit is used for receiving the working state information of the automobile engine detected by the engine state module;
and the brake unit is used for triggering the power supply detection module to work when receiving the vehicle door opening state signal detected by the vehicle door state unit and receiving the engine flameout state signal detected by the engine state unit.
The invention has the following beneficial effects:
the charging reminding device for the automobile emergency starting power supply can detect the electric quantity of the automobile emergency starting power supply when a driver is positioned in a driver seat and an engine is flamed out, can remind charging in time once the electric quantity is insufficient, and avoids the problem that the automobile cannot be used in an emergency due to the fact that the emergency starting power supply cannot be used in an emergency state.
Drawings
FIG. 1 is a schematic block diagram of a charge reminder for an emergency starting power supply of an automobile according to the present invention;
FIG. 2 is a block diagram of the control module of FIG. 1;
fig. 3 is a circuit diagram of a charging module of an emergency starting power supply of an automobile according to the present invention.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Referring to fig. 1, the charging reminding device for the automobile emergency starting power supply comprises a vehicle door state module, an engine state module, a charging reminding module, a power supply detection module and a control module. The vehicle door state module is used for detecting the opening and closing states of the vehicle door at the side of the driver position, including an opening state and a closing state, and sending a state signal to the control module. The engine state module is used for detecting the working state of the automobile engine, including a flameout state or an ignition state, and sending a state signal to the control module. When the control module receives the opening state signal and the flameout state signal sent by the vehicle door state module, the power supply detection module is triggered to work, otherwise, the power supply detection module does not work. The power detection module is used for detecting the electric quantity of the automobile emergency starting power supply, the charging reminding module is triggered when the electric quantity is not enough, and the charging reminding module reminds a driver to charge the automobile emergency starting power supply.
In particular, the door status module is used to detect the door open/closed status, which may be detected by the control system of the vehicle. The automobile door control system is characterized in that a travel switch is arranged between an automobile door and an automobile door handle and is connected with an automobile central control system, once an automobile interior person pulls the automobile door handle, the travel switch is closed, a closing signal of the travel switch is sent to the control system, the control system detects that the automobile door is in an open state, and otherwise, the automobile door is in a closed state.
The engine state module is used for detecting the working state of the automobile engine, is connected with the ignition mechanism or the starting button, and feeds back signals to the engine state module once ignition or flameout occurs. The engine state module learns that the engine is in a sparking or flameout state by recognizing the feedback signal.
As shown in fig. 2, the control module includes a door status unit, an engine status unit, and a brake unit. The vehicle door state unit is used for receiving the opening and closing state information of the vehicle door at the driver position side detected by the vehicle door state module. The engine state unit is used for receiving the working state information of the automobile engine detected by the engine state module. The brake unit is used for triggering the power supply detection module to work when receiving a vehicle door opening state signal detected by the vehicle door state unit and receiving an engine flameout state signal detected by the engine state unit.
The power supply detection module comprises a power supply allowance detection unit and an electric quantity judgment unit. The power supply allowance detection unit is used for detecting the automobile emergency starting power supply allowance. The electric quantity judging unit is used for judging whether the electric quantity of the automobile emergency starting power supply is smaller than a preset power supply threshold value, if so, the electric quantity is insufficient, and the charging reminding module is triggered to work; otherwise, the charging reminding module does not work. Under an implementation mode, the power supply allowance detection unit collects the voltage of an automobile emergency starting power supply through the sampling circuit and sends the voltage to the electric quantity judgment unit. The electric quantity judging unit is provided with a triode, a base electrode of the triode is connected with a sampling circuit, a collector electrode of the triode is connected with a preset power supply threshold voltage, an emitting electrode of the triode is grounded, and once the sampling voltage sent by the sampling circuit is lower than the preset power supply threshold voltage, a signal transmitter connected to one side of the collector electrode of the triode sends a low-electric-quantity signal to the charging reminding module. Under another embodiment, the power supply allowance detection unit collects the voltage of the automobile emergency starting power supply through the sampling circuit and sends the voltage to the electric quantity judgment unit. The electric quantity judging unit is provided with a comparator, one input end of the comparator is connected with the output end of the sampling circuit, the other input end of the comparator is provided with a preset power supply threshold voltage, the output end of the comparator is used for outputting a comparison signal, and when the sampling voltage is lower than the preset power supply threshold voltage, the comparator outputs a high level signal to the charging reminding module.
The charging reminding module comprises an audible alarm and an indicator light. The sound alarm is used for alarming and charging. The pilot lamp is installed on the automobile central control panel and used for indicating that charging is urgently needed.
In order to charge in time, the device further comprises a charging module, and the charging module charges for the automobile emergency starting power supply. The charging reminding module further comprises a waking unit, the waking unit is triggered to be started after the charging reminding module is triggered, and the charging module connected with the waking unit is in a standby state at the moment. When the control module receives the electric quantity shortage signal sent by the power supply detection module, the shortage signal can be obtained through the output end of the comparator or the signal sender, and at the moment, the charging module is changed from the standby state to the working state to start charging.
The awakening unit is composed of a relay and a relay normally-open switch. The relay normally-open switch is connected in series with the charging module and connected between the automobile emergency starting power supply and the power supply detection module. When the awakening unit is not triggered to be started, the charging module is not communicated with the automobile emergency starting power supply; once awaken up, the relay normally open switch is closed, and the charging module is communicated with the automobile emergency starting power supply. Once the control module receives the insufficient electric quantity signal sent by the power supply detection module, the charging module starts to work under the control of the control module. As shown in fig. 3, the charging module is composed of a first transistor Q1, a second transistor Q2, a first resistor RA, a second resistor RB, a third resistor RC, a fourth resistor RD, and a charging circuit U1. The charging circuit is connected to the collecting electrode of first triode Q1, the one end of first resistance RA is connected to the projecting pole of first triode Q1, and the collecting electrode of first triode Q1 is connected to the other end of first resistance RA, the collecting electrode of first triode Q1 is connected through second resistance RB the collecting electrode of second triode Q2, the projecting pole ground connection of second triode Q2, the positive pole of emergent start power source is connected through fourth resistance RD to the base of second triode Q2, the base of second triode Q2 is through third resistance RC ground connection. The charging circuit U1 is connected to the positive and negative poles of the automobile emergency starting power supply. The emitter of the first triode Q1 is connected with a power supply. The base terminal of the second triode Q2 is electrically connected with the positive output end of the charging circuit U1 through the fourth resistor RD, and the second triode Q2 is provided with a conduction voltage through the emergency starting power supply of the automobile to be charged, so that the first triode Q1 is conducted to ensure that the power supply provides voltage to enable the charging circuit U1 to work. Meanwhile, when the charging circuit U1 is not connected with the emergency starting power supply of the automobile to be charged, the first triode and the second triode are disconnected and are not connected with the charging circuit, the power supply can not provide voltage for the charging circuit U1 to work, the no-load consumption of the charging circuit is reduced, and the purposes of energy saving and carbon reduction are achieved. The charging circuit can be composed of a common lithium battery charging chip and a peripheral circuit thereof.
The device also comprises a wireless signal transceiver module which can be a wifi module, a radio frequency module or a Bluetooth module, on one hand, the wireless signal transceiver module receives the detection information of the vehicle door state module and the engine state module, and on the other hand, the wireless signal transceiver module sends the detection information to the control module.
The device also comprises an emergency release switch which is used for releasing the reminding state of the charging reminding module, namely the charging reminding module does not remind charging, the indicating lamp is not lightened any more, and the buzzer does not whistle any more.
The user connects the door and the engine to the wireless signal transceiver. When a driver gets on the vehicle, the vehicle door opening state signal is sent to the wireless signal transceiving module; when the driver stalls, the wireless signal transceiver module receives an engine shutdown signal. Trigger electric quantity detection module immediately, electric quantity detection module detects the remaining capacity of emergent start power and shows to the display screen on, when the electric quantity is less than and predetermines the threshold value, the warning module that charges sends the electric quantity and is not enough reminded, and the pilot lamp lights, reminds the driver to charge to the emergent start power. When the driver receives the alarm signal, the driver can manually release the alarm signal through an emergency release switch on the emergency starting power supply. The invention can effectively avoid the problem that the automobile emergency starting power supply is not electrified when in use.
It will be appreciated by persons skilled in the art that the embodiments of the invention described above and shown in the drawings are given by way of example only and are not limiting of the invention. The objects of the present invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the examples, and any variations or modifications of the embodiments of the present invention may be made without departing from the principles.
Claims (5)
1. The utility model provides a reminding device that charges of emergent start power of car which characterized in that includes:
the vehicle door state module is used for detecting the opening and closing state of a vehicle door at the side of the driver position;
the engine state module is used for detecting the working state of the automobile engine;
the charging reminding module is used for reminding a driver of charging; the charging reminding module comprises a sound alarm, an indicator light and a waking unit; the awakening unit consists of a relay and a normally open switch of the relay;
the power supply detection module is used for detecting the electric quantity of the automobile emergency starting power supply and triggering the charging reminding module to work when the electric quantity is insufficient;
the control module is used for triggering the power supply detection module to work when the vehicle door state module detects the vehicle door opening state and the engine state module detects the engine flameout state;
the charging module is used for charging the automobile emergency starting power supply; the relay normally-open switch is connected in series with the charging module and is connected between the automobile emergency starting power supply and the power supply detection module; when the awakening unit is not triggered to be started, the charging module is not communicated with the automobile emergency starting power supply; once the emergency starting device is awakened, the normally open switch of the relay is closed, and the charging module is communicated with an automobile emergency starting power supply; once the control module receives the electric quantity shortage signal sent by the power supply detection module, the charging module starts to work under the control of the control module;
the charging module consists of a first triode, a second triode, a first resistor, a second resistor, a third resistor, a fourth resistor and a charging circuit; the collector electrode of the first triode is connected with the charging circuit, the emitter electrode of the first triode is connected with one end of a first resistor, the other end of the first resistor is connected with the base electrode of the first triode, the base electrode of the first triode is connected with the collector electrode of the second triode through a second resistor, the emitter electrode of the second triode is grounded, the base electrode of the second triode is connected with the anode of the emergency starting power supply through a fourth resistor, and the base electrode of the second triode is grounded through a third resistor; the charging circuit is connected to the positive pole and the negative pole of the automobile emergency starting power supply; and the emitting electrode of the first triode is connected with a power supply.
2. The charging reminding device for the emergency starting power supply of the automobile as claimed in claim 1, further comprising a wireless signal transceiving module for receiving the detection information of the door state module and the engine state module and sending the detection information to the control module.
3. The charging reminding device of the emergency starting power supply of the automobile as claimed in claim 1, further comprising an emergency release switch for releasing the reminding state of the charging reminding module.
4. The charging reminding device of the emergency starting power supply for the automobile according to claim 1, wherein the power supply detection module comprises a power supply surplus detection unit and an electric quantity judgment unit, the power supply surplus detection unit is used for detecting the surplus of the emergency starting power supply for the automobile, the electric quantity judgment unit is used for judging whether the electric quantity of the emergency starting power supply for the automobile is smaller than a preset power supply threshold value, if so, the electric quantity is insufficient, and the charging reminding module is triggered to work.
5. The charging reminding device for the emergency starting power supply of the automobile as claimed in claim 1, wherein the control module comprises:
the vehicle door state unit is used for receiving the opening and closing state information of the vehicle door at the side of the driver position detected by the vehicle door state module;
the engine state unit is used for receiving the working state information of the automobile engine detected by the engine state module;
and the brake unit is used for triggering the power supply detection module to work when receiving the vehicle door opening state signal detected by the vehicle door state unit and receiving the engine flameout state signal detected by the engine state unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811205755.XA CN109412225B (en) | 2018-10-17 | 2018-10-17 | Charging reminding device of automobile emergency starting power supply |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811205755.XA CN109412225B (en) | 2018-10-17 | 2018-10-17 | Charging reminding device of automobile emergency starting power supply |
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| CN109412225A CN109412225A (en) | 2019-03-01 |
| CN109412225B true CN109412225B (en) | 2020-04-24 |
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| CN201811205755.XA Active CN109412225B (en) | 2018-10-17 | 2018-10-17 | Charging reminding device of automobile emergency starting power supply |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11901729B2 (en) | 2019-03-11 | 2024-02-13 | Shenzhen Carku Technology Co., Limited | Charging device and emergency start method |
| CN109995103A (en) | 2019-03-11 | 2019-07-09 | 深圳市华思旭科技有限公司 | Emergency starting power supply and emergency starting method |
| CN110722987A (en) * | 2019-10-17 | 2020-01-24 | 中车青岛四方机车车辆股份有限公司 | Load optimization method and device, storage medium and electronic equipment |
| CN112389350B (en) * | 2020-09-24 | 2021-11-26 | 广汽本田汽车有限公司 | Vehicle control method and device and automobile |
| CN113394869A (en) * | 2021-06-30 | 2021-09-14 | 深圳市路卓科技有限公司 | Automobile data recorder, low-power-consumption realization method and device thereof, and readable storage medium |
| CN113677067B (en) * | 2021-08-19 | 2023-08-04 | 上汽大众汽车有限公司 | Dynamic control method and control system for vehicle brake lamp |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102842935A (en) * | 2012-09-20 | 2012-12-26 | 上海广为美线电源电器有限公司 | Lithium battery emergency starting power supply with low temperature automatic pre-heating function |
| WO2015109252A1 (en) * | 2014-01-16 | 2015-07-23 | Hospira, Inc. | Infusion pump battery capacity management and battery charge alert system and method |
| CN104917236A (en) * | 2015-06-05 | 2015-09-16 | 东莞博力威电池有限公司 | Detachable power source assembly for automobile startup |
| CN105069974A (en) * | 2015-09-08 | 2015-11-18 | 上海应用技术学院 | Alarm for preventing life entities from being left in car |
| CN207652086U (en) * | 2017-12-07 | 2018-07-24 | 安徽贵博新能科技有限公司 | A kind of battery management system multichannel wake-up circuit |
-
2018
- 2018-10-17 CN CN201811205755.XA patent/CN109412225B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102842935A (en) * | 2012-09-20 | 2012-12-26 | 上海广为美线电源电器有限公司 | Lithium battery emergency starting power supply with low temperature automatic pre-heating function |
| WO2015109252A1 (en) * | 2014-01-16 | 2015-07-23 | Hospira, Inc. | Infusion pump battery capacity management and battery charge alert system and method |
| CN104917236A (en) * | 2015-06-05 | 2015-09-16 | 东莞博力威电池有限公司 | Detachable power source assembly for automobile startup |
| CN105069974A (en) * | 2015-09-08 | 2015-11-18 | 上海应用技术学院 | Alarm for preventing life entities from being left in car |
| CN207652086U (en) * | 2017-12-07 | 2018-07-24 | 安徽贵博新能科技有限公司 | A kind of battery management system multichannel wake-up circuit |
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