CN208241351U - A kind of plug in rifle wake-up circuit, battery management system and the electric car of electric car - Google Patents
A kind of plug in rifle wake-up circuit, battery management system and the electric car of electric car Download PDFInfo
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- CN208241351U CN208241351U CN201820596435.0U CN201820596435U CN208241351U CN 208241351 U CN208241351 U CN 208241351U CN 201820596435 U CN201820596435 U CN 201820596435U CN 208241351 U CN208241351 U CN 208241351U
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- 230000000903 blocking effect Effects 0.000 description 3
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- 230000002618 waking effect Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
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Abstract
The utility model embodiment discloses plug in rifle wake-up circuit, battery management system and the electric car of a kind of electric car.The plug in rifle wake-up circuit of electric car includes: connection confirmation signal input terminal；First diode；First switch tube；The base stage of the first switch tube and the connection confirmation signal input terminal connect, and the emitter of the first switch tube connects power supply, and the collector of the first switch tube connects the anode of the first diode；Capacitor；The first end of the capacitor is connect with the cathode of the first diode, and the second end connection battery management system of the capacitor wakes up the enable end of chip.The utility model embodiment reduces electronic component number, reduces power consumption, prevents false triggering, and multiple wake source timesharing can also be supported to input.
Description
Technical field
The utility model embodiment is related to electric vehicle engineering field, in particular to the plug in rifle of a kind of electric car wakes up
Circuit, battery management system and electric car.
Background technique
Energy shortage, oil crisis and environmental pollution grow in intensity, and bring tremendous influence, direct relation to people's lives
To the sustainable development of national economy and society.Countries in the world are all in active development new energy technology.Electric car is as a kind of
Reduce the new-energy automobile of consumption of petroleum, low pollution, low noise, it is considered to be solve the important way of energy crisis and environmental degradation
Diameter.Hybrid vehicle combines the advantage of pure electric automobile and traditional combustion engine automobile, is meeting vehicle dynamic quality requirement
Under the premise of being required with continual mileage, effectively improve fuel economy, reduce discharge, it is considered to be current energy conservation with subtract
One of active path of row.
Electric car needs to wake up battery management system (BMS) by the insertion of charging gun when charging, or is needing
BMS is waken up by the signal of charging pile when reservation charging.For example, alternating-current charging pile by control guiding (Control Pilot,
CP) signal and vehicle amount control device carry out hardware handshaking, and are called out by connection confirmation (Connection Confirm, CC) signal
Awake controller of vehicle.
In existing wake-up mode, persistently the signal of charging gun is monitored by software and hardware, by comparator or
Software and hardware circuit persistently detects coherent signal, and whole system is waken up when there is specific variation.This wake-up mode needs
More electronic component is wanted, power consumption is larger.
In addition, existing wake-up mode is difficult to unified support direct-current charging post and alternating-current charging pile, it is inconvenient for use.
Utility model content
In view of this, the purpose of the utility model is to provide a kind of plug in rifle wake-up circuits of electric car, battery management system
System and electric car.
The technical solution of the utility model embodiment is as follows:
A kind of plug in rifle wake-up circuit of electric car, comprising:
Connect confirmation signal input terminal；
First diode；
First switch tube；The base stage of the first switch tube and the connection confirmation signal input terminal connect, and described first
The emitter of switching tube connects power supply, and the collector of the first switch tube connects the anode of the first diode；
Capacitor；The first end of the capacitor is connect with the cathode of the first diode, and the second of the capacitor
End connection battery management system wakes up the enable end of chip.
In one embodiment, further includes:
Connection 2 signal input parts of confirmation；
Second diode；The cathode of second diode connects the first end of the capacitor；
Second switch；The base stage of the second switch and the connection confirm that 2 signal input parts connect, described second
The emitter of switching tube connects the power supply, and the collector of the second switch connects the anode of second diode.
In one embodiment, further includes:
Third diode is arranged between connection confirmation signal input terminal and the base stage of the first switch tube, institute
The anode for stating third diode is connect with the base stage of the first switch tube, and the cathode of the third diode and the connection are true
Recognize signal input part connection.
In one embodiment, further includes:
4th diode is arranged in the connection and confirms between 2 signal input parts and the base stage of the second switch, institute
The anode for stating the 4th diode is connect with the base stage of the second switch, and the cathode of the 4th diode and the connection are true
Recognize the connection of 2 signal input parts.
In one embodiment, further include the first current-limiting resistance, be arranged in the anode and described first of third diode
Between the base stage of switching tube.
In one embodiment, further include the second current-limiting resistance, be arranged in the anode and described second of the 4th diode
Between the base stage of switching tube.
In one embodiment, further includes:
First biasing resistor is arranged between the power supply and first current-limiting resistance, and first biasing resistor is also
It is connect with the base stage of the first switch tube.
In one embodiment, further includes:
Second biasing resistor is arranged between the power supply and second current-limiting resistance, and second biasing resistor is also
It is connect with the base stage of the second switch.
A kind of battery management system of electric car, comprising:
Connect confirmation signal input terminal；
First diode；
First switch tube；The base stage of the first switch tube and the connection confirmation signal input terminal connect, and described first
The emitter of switching tube connects power supply, and the collector of the first switch tube connects the anode of the first diode；
Battery management system wakes up chip；
Capacitor；The first end of the capacitor is connect with the cathode of the first diode, and the second of the capacitor
End connects the enable end that the battery management system wakes up chip；
Connection 2 signal input parts of confirmation；
Second diode；The cathode of second diode connects the first end of the capacitor；
Second switch；The base stage of the second switch and the connection confirm that 2 signal input parts connect, described second
The emitter of switching tube connects the power supply, and the collector of the second switch connects the anode of second diode；
The electric energy that the enable end that wherein battery management system wakes up chip is provided based on the capacitor is triggered.
A kind of electric car, the plug in rifle wake-up circuit including electric car as described above.
It can be seen from the above technical proposal that the plug in rifle wake-up circuit of the utility model embodiment includes: connection confirmation
Signal input part；First diode；First switch tube；The base stage of first switch tube is connected with confirmation signal input terminal is connect, the
The emitter of one switching tube connects power supply, the anode of the collector connection first diode of first switch tube；Capacitor；Capacitor
First end and the cathode of first diode connect, the second end of capacitor connection battery management system wakes up the enabled of chip
End.As it can be seen that the utility model embodiment is not necessarily to persistently detect coherent signal by comparator or software and hardware circuit, from
And electronic component number is significantly reduced, and thus reduce power consumption.
In addition, the utility model embodiment transmits charging gun insertion letter by the effect of the blocking circulation exchange of capacitor
Number, it is only present in charging gun insertion process so that waking up, so as to prevent false triggering.
In addition, the utility model embodiment can support multiple wake source timesharing to input, it is unified to support direct-current charging post
And alternating-current charging pile, it is easy to use.
Detailed description of the invention
The following drawings only does schematic illustration and explanation to the utility model, does not limit the scope of the utility model.
Fig. 1 is the first structure figure of the plug in rifle wake-up circuit of the utility model electric car.
Fig. 2 is the second structure chart of the plug in rifle wake-up circuit of the utility model electric car.
Fig. 3 is the control pilot circuit schematic diagram in GB/T20234.2 about AC charging.
Fig. 4 is the control pilot circuit schematic diagram about DC charging.
Specific embodiment
In order to which the technical features, objects and effects to utility model are more clearly understood, Detailed description of the invention sheet is now compareed
The specific embodiment of utility model, identical label indicates identical part in the various figures.
It is succinct and intuitive in order to what is described, hereafter by describing several representative embodiments come to the utility model
Scheme be illustrated.A large amount of details is only used for helping to understand the embodiment of the utility model in embodiment.However, it will be apparent that
The technical solution of the utility model can be not limited to these details when realizing.It is practical new in order to avoid unnecessarily having obscured this
The scheme of type, some embodiments are not described meticulously, but only give frame.Hereinafter, " comprising " refers to " packet
Include but be not limited to ", " according to ... " refer to " according at least to ..., but be not limited to according only to ... ".Since the language of Chinese is practised
It is used, when being hereinafter not specifically stated the quantity of an ingredient, it is meant that the ingredient is either one or more, or can
It is interpreted as at least one.
Fig. 1 is the first structure figure of the plug in rifle wake-up circuit of the utility model electric car.
As shown in Figure 1, the circuit includes:
CC signal input part；
First diode D3；
First switch tube Q1；The base stage of first switch tube Q1 is connect with CC signal input part, the transmitting of first switch tube Q1
Pole connects power supply VCC, the anode of the collector connection first diode D3 of first switch tube Q1；
Capacitor C1；The first end of capacitor C1 is connect with the cathode of first diode D3, and the second end of capacitor C1 connects
Connect the enable end that BMS wakes up chip.
When charging gun is inserted into alternating-current charging pile, CC signal input part is connect with alternating-current charging pile, is equivalent to from CC signal
A resistance is added in input terminal over the ground.After the access of this resistance, the ground level of first switch tube Q1 has electric current outflow, first switch tube
Q1 is opened.Capacitor C1 charges (i.e. from second end to first end) from right to left.The BMS connecting with the second end of capacitor C1 wakes up core
The enable end of piece is opened by high level, therefore BMS wakes up chip and is triggered to wake up BMS.
As it can be seen that in said structure, charging gun is transmitted by the effect of the blocking circulation exchange of capacitor C1 and is inserted into signal,
It is only present in charging gun insertion process so that waking up, to prevent false triggering.Moreover, this wake-up mode is without passing through ratio
Persistently coherent signal is detected compared with device or software and hardware circuit, to significantly reduce electronic component number, and is thus reduced
Power consumption.
In fact, by extension wake source input, the utility model embodiment can also support multiple wake source timesharing
Input.
Fig. 2 is the second structure chart of the plug in rifle wake-up circuit of the utility model electric car.
As shown in Fig. 2, the circuit includes:
CC signal input part；
First diode D3；
First switch tube Q1；The base stage of first switch tube Q1 is connect with CC signal input part, the transmitting of first switch tube Q1
Pole connects power supply VCC, the anode of the collector connection first diode D3 of first switch tube Q1；
Capacitor C1；The first end of capacitor C1 is connect with the cathode of first diode D3, and the second end of capacitor C1 connects
Connect the enable end that BMS wakes up chip；
CC2 signal input part；
Second diode D4；The first end of the cathode connection capacitor C1 of second diode D4；
Second switch Q2；The base stage of second switch Q2 is connected with 2 signal input parts of confirmation are connect, second switch Q2
Emitter connect power supply VCC, the collector of second switch Q2 connects the anode of the second diode D4.
When charging gun is inserted into alternating-current charging pile, CC signal input part is connect with alternating-current charging pile, is equivalent to from CC signal
A resistance is added in input terminal over the ground.After the access of this resistance, the ground level of first switch tube Q1 has electric current outflow, first switch tube
Q1 is opened.Capacitor C1 charges (i.e. from second end to first end) from right to left.The BMS connecting with the second end of capacitor C1 wakes up core
The enable end of piece is opened by high level, therefore BMS wakes up chip and is triggered to wake up BMS.
When charging gun is inserted into direct-current charging post, CC2 signal input part is connect with direct-current charging post, is equivalent to from CC2 and is believed
A resistance is added in number input terminal over the ground.After the access of this resistance, the ground level of second switch Q2 has electric current outflow, second switch
Pipe Q2 is opened.Capacitor C1 charges (i.e. from second end to first end) from right to left.The BMS connected on the right side of capacitor wakes up chip
Enable end is opened by high level, therefore BMS wakes up chip and is triggered to wake up BMS.
As it can be seen that the utility model embodiment can also support multiple wake source timesharing to input, charging gun can unify branch
Direct-current charging post and alternating-current charging pile are held, it is easy to use.
In Fig. 2, further includes:
Third diode D1, is arranged between CC signal input part and the base stage of first switch tube Q1, third diode D1
Anode connect with the base stage of first switch tube Q1, the cathode of third diode D1 is connect with CC signal input part.
In Fig. 2, further includes:
4th diode D2 is arranged between CC2 signal input part and the base stage of second switch Q2, the 4th diode D2
Anode connect with the base stage of second switch Q2, the cathode of the 4th diode D2 is connect with CC2 signal input part.
Further include the first current-limiting resistance R2 in Fig. 2, is arranged in the anode of third diode D1 with first switch tube Q1's
Between base stage.
Further include the second current-limiting resistance R4 in Fig. 2, is arranged in the anode of the 4th diode D2 with second switch Q2's
Between base stage.
In Fig. 2, further includes: the first biasing resistor R1 is arranged between power supply VCC and the first current-limiting resistance R2, first
Biasing resistor R1 is also connect with the base stage of first switch tube Q1；Second biasing resistor R3 is arranged in power supply VCC and the second current limliting electricity
It hinders between R4, the second biasing resistor R4 is also connect with the base stage of second switch Q2.In Fig. 2, switching tube Q1 and Q2 play electricity
The cutting and conducting on road act on, and isolating diode D3 and D4 play the role of isolation to voltage turn-on.
It is the base stage of switching tube Q1 and Q2 for the main circuit of switching tube Q1 and Q2 in circuit shown in Fig. 2
The circuit for providing electric current is exactly biasing circuit.Biasing circuit often has several elements, wherein having an important resistance, by adjusting it
Resistance value can be to adjust base current.In the amplification region of triode, determining base current ensure that the collector current of needs
In design specification, the resistance for adjusting base current is exactly biasing resistor.Biasing resistor R1 and R3 in Fig. 2, which can be used for adjusting, to be opened
Close the base current of pipe Q1 and Q2；Current-limiting resistance R2 and R4 in Fig. 2 play metering function；VCC in Fig. 2 is often electric.
In circuit shown in Fig. 2, CC signal input part and CC2 signal input part can be connected to timesharing direct-current charging post or
Alternating-current charging pile is attached to electric vehicle end charging interface signal CC or CC2.
As it can be seen that the utility model is inputted by the timesharing of two-way charging interface signal CC or CC2 and shared capacitor C1,
It realizes and not only unifies to support direct-current charging post and alternating-current charging pile, but also wake-up mechanism that is economical and practical and preventing false triggering.
Circuit shown in Fig. 2 can provide 2 tunnels and wake up channel (CC and CC2).In fact, can be to increase in structure shown in Fig. 2
Add the wake-up channel of more multichannel, the utility model embodiment is to this and is not limited.
Below with reference to physical circuit figure, the utility model embodiment is carried out exemplary illustrated.
Fig. 3 is the control pilot circuit schematic diagram in GB/T20234.2 about AC charging.For the detailed analysis of Fig. 3
It can be found in specific standards GB/T20234.2, the utility model repeats no more this.
Wherein it is possible to using plug in rifle wake-up circuit shown in the utility model in the controller of vehicle of Fig. 3.
Fig. 4 is the control pilot circuit schematic diagram about DC charging.It can be found in specific mark for the detailed analysis of Fig. 4
Standard, the utility model repeat no more this.
Wherein it is possible to using plug in rifle wake-up circuit shown in the utility model in the vehicle control device of Fig. 4.
Based on foregoing description, the utility model embodiment also proposed a kind of BMS.The BMS includes:
CC signal input part；
First diode；
First switch tube；The base stage of first switch tube is connect with CC signal input part, the emitter connection of first switch tube
Power supply, the anode of the collector connection first diode of first switch tube；
BMS wakes up chip；
Capacitor；The first end of capacitor and the cathode of first diode connect, and the second end connection BMS of capacitor wakes up
The enable end of chip；
CC2 signal input part；
Second diode；The first end of the cathode connection capacitor of second diode；
Second switch；The base stage of second switch is connect with CC2 signal input part, the emitter connection of second switch
The power supply, the collector of second switch connect the anode of second diode；
The electric energy that the enable end that wherein BMS wakes up chip is provided based on capacitor is triggered.
The plug in rifle wake-up circuit or BMS that the utility model embodiment can be proposed are applied to various types of electronic vapour
Che Zhong, such as pure electric automobile (BEV), hybrid vehicle (HEV), fuel cell car (FCEV) etc..
In conclusion plugging in rifle wake-up circuit includes: connection confirmation signal input terminal in the utility model embodiment；
First diode；First switch tube；The base stage of first switch tube is connected with confirmation signal input terminal is connect, the hair of first switch tube
Emitter-base bandgap grading connects power supply, the anode of the collector connection first diode of first switch tube；Capacitor；The first end of capacitor and the
The cathode of one diode connects, and the second end connection battery management system of capacitor wakes up the enable end of chip.
As it can be seen that the utility model embodiment is without persistently examining coherent signal by comparator or software and hardware circuit
It surveys, to significantly reduce electronic component number, and thus reduces power consumption.
In addition, the utility model embodiment transmits charging gun insertion letter by the effect of the blocking circulation exchange of capacitor
Number, it is only present in charging gun insertion process so that waking up, so as to prevent false triggering.
In addition, the utility model embodiment can also support multiple wake source timesharing to input, can unify to support direct current
Charging pile and alternating-current charging pile, it is easy to use.
Herein, " schematic " expression " serving as examplea, instances, or illustrations " should not will be described herein as " showing
Any diagram, the embodiment of meaning property " are construed to technical solution that is a kind of preferred or more having advantages.To make simplified form,
In each figure only schematically show with the utility model relevant portion, and do not represent its practical knot as product
Structure.In addition, there is the component of identical structure or function in some figures, only symbolically draw so that simplified form is easy to understand
Show one of those, or only marks one of those.Herein, "one" is not offered as the utility model dependent part
The quantity divided is limited to " only this ", and "one" does not indicate to exclude the quantity of the utility model relevant portion " more than one
It is a " situation.Herein, "upper", "lower", "front", "rear", "left", "right", "inner", "outside" etc. are only used for indicating dependent part
/ relative positional relationship, and the absolute position of these non-limiting relevant portions.
Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model
Body explanation, and not to limit the protection scope of the utility model, it is all without departing from made by the utility model skill spirit etc.
Effect embodiment or change should be included within the scope of protection of this utility model such as the combination, segmentation or repetition of feature.
Claims (10)
1. a kind of plug in rifle wake-up circuit of electric car characterized by comprising
Connect confirmation signal input terminal；
First diode；
First switch tube；The base stage of the first switch tube and the connection confirmation signal input terminal connect, the first switch
The emitter of pipe connects power supply, and the collector of the first switch tube connects the anode of the first diode；
Capacitor；The first end of the capacitor is connect with the cathode of the first diode, and the second end of the capacitor connects
Connect the enable end that battery management system wakes up chip.
2. the plug in rifle wake-up circuit of electric car according to claim 1, which is characterized in that further include:
Connection 2 signal input parts of confirmation；
Second diode；The cathode of second diode connects the first end of the capacitor；
Second switch；The base stage of the second switch and the connection confirm the connection of 2 signal input parts, the second switch
The emitter of pipe connects the power supply, and the collector of the second switch connects the anode of second diode.
3. the plug in rifle wake-up circuit of electric car according to claim 2, which is characterized in that further include:
Third diode is arranged between connection confirmation signal input terminal and the base stage of the first switch tube, and described
The anode of three diodes is connect with the base stage of the first switch tube, the cathode of the third diode and the connection confirmation letter
The connection of number input terminal.
4. the plug in rifle wake-up circuit of electric car according to claim 3, which is characterized in that further include:
4th diode is arranged in the connection and confirms between 2 signal input parts and the base stage of the second switch, and described the
The anode of four diodes is connect with the base stage of the second switch, the cathode of the 4th diode and connection confirmation 2
Signal input part connection.
5. the plug in rifle wake-up circuit of electric car according to claim 4, which is characterized in that further include the first current limliting electricity
Resistance, is arranged in the positive between the base stage of the first switch tube of third diode.
6. the plug in rifle wake-up circuit of electric car according to claim 5, which is characterized in that further include the second current limliting electricity
Resistance, is arranged in the positive between the base stage of the second switch of the 4th diode.
7. the plug in rifle wake-up circuit of electric car according to claim 6, which is characterized in that further include:
First biasing resistor is arranged between the power supply and first current-limiting resistance, first biasing resistor also with institute
State the base stage connection of first switch tube.
8. the plug in rifle wake-up circuit of electric car according to claim 6, which is characterized in that further include:
Second biasing resistor is arranged between the power supply and second current-limiting resistance, second biasing resistor also with institute
State the base stage connection of second switch.
9. a kind of battery management system of electric car characterized by comprising
Connect confirmation signal input terminal；
First diode；
First switch tube；The base stage of the first switch tube and the connection confirmation signal input terminal connect, the first switch
The emitter of pipe connects power supply, and the collector of the first switch tube connects the anode of the first diode；
Battery management system wakes up chip；
Capacitor；The first end of the capacitor is connect with the cathode of the first diode, and the second end of the capacitor connects
Connect the enable end that the battery management system wakes up chip；
Connection 2 signal input parts of confirmation；
Second diode；The cathode of second diode connects the first end of the capacitor；
Second switch；The base stage of the second switch and the connection confirm the connection of 2 signal input parts, the second switch
The emitter of pipe connects the power supply, and the collector of the second switch connects the anode of second diode；
The electric energy that the enable end that wherein battery management system wakes up chip is provided based on the capacitor is triggered.
10. a kind of electric car, which is characterized in that the plug in rifle wake-up circuit including electric car as described in claim 1.
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| CN201820596435.0U CN208241351U (en) | 2018-04-25 | 2018-04-25 | A kind of plug in rifle wake-up circuit, battery management system and the electric car of electric car |
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| CN201820596435.0U CN208241351U (en) | 2018-04-25 | 2018-04-25 | A kind of plug in rifle wake-up circuit, battery management system and the electric car of electric car |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109450052A (en) * | 2018-12-28 | 2019-03-08 | 蜂巢能源科技有限公司 | Charge wake-up system |
| CN110525248A (en) * | 2019-08-26 | 2019-12-03 | 东风汽车有限公司 | Electric automobile charging connection awakens up detection device |
| CN110816328A (en) * | 2019-11-05 | 2020-02-21 | 北京长城华冠汽车科技股份有限公司 | New energy vehicle and charging interface device thereof, power supply equipment and power supply interface device thereof, and charging method |
| CN112297948A (en) * | 2019-07-26 | 2021-02-02 | 广州汽车集团股份有限公司 | BMS wake-up control circuit and BMS wake-up control method |
| WO2021027391A1 (en) * | 2019-08-12 | 2021-02-18 | 宁德时代新能源科技股份有限公司 | Wake-up circuit and rechargeable device |
| CN112389257A (en) * | 2019-08-19 | 2021-02-23 | 北汽福田汽车股份有限公司 | Charging management method and device, and wake-up module and system |
| CN112615407A (en) * | 2020-12-15 | 2021-04-06 | 潍柴动力股份有限公司 | BMS charging wake-up circuit, power supply method and system |
| CN112622656A (en) * | 2020-12-21 | 2021-04-09 | 安徽贵博新能科技有限公司 | CC (communication center) awakening circuit of electric automobile |
| CN114253198A (en) * | 2022-02-28 | 2022-03-29 | 深圳市地木升能源科技有限公司 | Control circuit of EVCC control system of electric automobile |
| CN115871484A (en) * | 2022-12-14 | 2023-03-31 | 安徽锐能科技有限公司 | Circuit, device and method for awakening charging alternating current CP signal |
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| CN109450052A (en) * | 2018-12-28 | 2019-03-08 | 蜂巢能源科技有限公司 | Charge wake-up system |
| CN112297948A (en) * | 2019-07-26 | 2021-02-02 | 广州汽车集团股份有限公司 | BMS wake-up control circuit and BMS wake-up control method |
| US11824170B2 (en) | 2019-08-12 | 2023-11-21 | Contemporary Amperex Technology Co., Limited | Wake-up circuit and rechargeable device |
| WO2021027391A1 (en) * | 2019-08-12 | 2021-02-18 | 宁德时代新能源科技股份有限公司 | Wake-up circuit and rechargeable device |
| CN112389257A (en) * | 2019-08-19 | 2021-02-23 | 北汽福田汽车股份有限公司 | Charging management method and device, and wake-up module and system |
| CN110525248B (en) * | 2019-08-26 | 2021-03-09 | 东风汽车有限公司 | Electric automobile charging connection awakens up detection device |
| CN110525248A (en) * | 2019-08-26 | 2019-12-03 | 东风汽车有限公司 | Electric automobile charging connection awakens up detection device |
| CN110816328A (en) * | 2019-11-05 | 2020-02-21 | 北京长城华冠汽车科技股份有限公司 | New energy vehicle and charging interface device thereof, power supply equipment and power supply interface device thereof, and charging method |
| CN112615407A (en) * | 2020-12-15 | 2021-04-06 | 潍柴动力股份有限公司 | BMS charging wake-up circuit, power supply method and system |
| CN112622656A (en) * | 2020-12-21 | 2021-04-09 | 安徽贵博新能科技有限公司 | CC (communication center) awakening circuit of electric automobile |
| CN114253198A (en) * | 2022-02-28 | 2022-03-29 | 深圳市地木升能源科技有限公司 | Control circuit of EVCC control system of electric automobile |
| CN115871484A (en) * | 2022-12-14 | 2023-03-31 | 安徽锐能科技有限公司 | Circuit, device and method for awakening charging alternating current CP signal |
| CN115871484B (en) * | 2022-12-14 | 2023-08-01 | 安徽锐能科技有限公司 | Circuit, device and method for waking up charging alternating Current (CP) signal |
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