CN210101377U - BMS system is awaken up to electric automobile rifle resistance that charges and takes rifle dormancy circuit - Google Patents
BMS system is awaken up to electric automobile rifle resistance that charges and takes rifle dormancy circuit Download PDFInfo
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- CN210101377U CN210101377U CN201920564226.2U CN201920564226U CN210101377U CN 210101377 U CN210101377 U CN 210101377U CN 201920564226 U CN201920564226 U CN 201920564226U CN 210101377 U CN210101377 U CN 210101377U
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- 230000005059 dormancy Effects 0.000 title claims abstract description 17
- 230000007958 sleep Effects 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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Abstract
The utility model provides a BMS system and a dormancy circuit with a gun for the resistance awakening of an electric automobile charging gun, which comprises a D latch circuit, a resistance voltage dividing circuit, a RC charge-discharge circuit, a NOT gate circuit and a dormancy control circuit, wherein the resistance voltage dividing circuit is connected with the D latch circuit, the RC charge-discharge circuit is connected with the D latch circuit, the NOT gate circuit is connected with the D latch circuit, the dormancy control circuit is connected with the D latch circuit, the utility model awakens the BMS system when the charging gun is inserted for charging according to the working characteristics of the D latch, and after the charging is finished, the BMS system is dormant by sending a control signal through a MCU, thereby reducing the energy consumption, simultaneously improving the safety of the system, and simultaneously, the circuit of the utility model is simple, the cost is low, and all the same levels need to be effective, the signal detection circuit that can ignore again after satisfying certain condition all can adopt the utility model discloses, the range of application is wide.
Description
Technical Field
The utility model relates to a power battery makes the field, in particular to BMS system and area rifle dormancy circuit are awaken up to electric automobile rifle resistance that charges.
Background
With the vigorous development of electric vehicles in the field of new energy, the charging problem of electric vehicles is more and more emphasized. Charging safety is an increasingly prominent problem.
In the charging process, in order to ensure the system safety and meet the energy-saving requirement of low power consumption of the system, the BMS controller needs to be awakened by the inserted charging gun in the dormant state and enters the dormant state again after the electric automobile is fully charged. However, in the existing schemes, many of them cannot meet the requirements that the system can be awakened after the charging gun is plugged in, and the system can be dormant after the battery is fully charged in the state with the charging gun, so that energy is wasted, and safety risk is further increased.
Disclosure of Invention
The utility model provides an electric automobile rifle resistance awakens up BMS system and takes rifle dormancy circuit, can reduce energy consumption, improves the security of system simultaneously, the utility model discloses a circuit is simple, low cost, and all same levels both need be effective, and the signal detection circuit that can ignore after satisfying certain condition again all can adopt the utility model discloses, the range of application is wide.
The utility model provides an electric automobile rifle resistance that charges awakens up BMS system and takes rifle dormancy circuit, including D latch circuit, resistance bleeder circuit, RC charge-discharge circuit, not gate circuit and dormancy control circuit, resistance bleeder circuit with D latch circuit connects, RC charge-discharge circuit with D latch circuit connects, not gate circuit with D latch circuit connects, dormancy control circuit with D latch circuit connects.
Further, the D latch circuit comprises a D latch, a resistor R4, a resistor R5 and a resistor R7, the resistor R4 is connected with an input signal end D of the D latch, the resistor R5 is connected with an output enable signal end OE of the D latch, one end of the resistor R6 is connected with an output end OUT of the D latch, the other end of the resistor R6 is grounded, one end of the resistor R7 is connected with the output end OUT of the D latch, and the other end of the resistor R7 is connected with a wake-up circuit of the BMS system.
Further, bleeder circuit includes resistance R1, resistance R2 and the rifle resistance socket that charges charge, the rifle resistance socket that charges resistance R1 resistance R2 three is established ties, resistance R1 one end is connected with VCC, and rifle resistance socket one end that charges is connected with ground.
Further, the RC charging and discharging circuit comprises a capacitor C1, the resistor R2 and a charging gun resistor socket, and the capacitor C1 is connected in parallel across the resistor R2 and the charging gun resistor socket.
Further, the not gate circuit includes a not gate circuit element, an input terminal of the not gate is connected to the resistor R7, and an output terminal of the not gate is connected to the latch signal terminal LE of the D latch.
Further, the sleep control circuit comprises an N-MOS transistor, the drain of the N-MOS transistor is connected with the resistor R7, and the grid of the N-MOS transistor is connected with the MCU-control.
The utility model discloses a according to the characteristic of D latch, when the rifle that charges inserts and charges, awaken up the BMS controller, after the completion of charging, send control signal through MCU and make BMS controller dormancy, can reduce energy consumption, improve the security of system, simultaneously, the utility model discloses a circuit is simple, and low cost, all same levels both need be effective, and the signal detection circuit that can ignore after satisfying certain condition again all can adopt the utility model discloses, the range of application is wide.
Drawings
FIG. 1 is a schematic circuit diagram of an unplugged charging gun.
Fig. 2 is a schematic circuit diagram of the insertion of the charging gun.
Fig. 3 is a timing diagram of the operation of the circuit.
The circuit comprises a D latch circuit 1, a resistance voltage division circuit 2, an RC charge-discharge circuit 3, a NOT gate circuit 4 and a dormancy control circuit 5.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and tables for facilitating the understanding of the technical solutions by those skilled in the art, and it should be understood that the following description is only a specific embodiment of the technical solutions and is not intended to limit the present invention.
The utility model provides an electric automobile charges rifle resistance and awakens up and take rifle dormancy circuit, including D latch circuit (1), resistance bleeder circuit (2), RC charge-discharge circuit (3), NOT gate circuit (4) and dormancy control circuit (5).
The D latch circuit (1) comprises a D latch, a resistor R4, a resistor R5, a resistor R6 and a resistor R7, wherein the resistor R4 is connected with an input signal end D of the D latch, the resistor R5 is connected with an output enable signal end OE of the D latch, one end of a resistor R6 is connected with an output end OUT of the D latch, the other end of the resistor R6 is grounded, one end of a resistor R7 is connected with the output end OUT of the D latch, and the other end of the resistor R7 is connected with a BMS system wake-up circuit.
As shown in fig. 1 and 3, before the charging gun is inserted (t 0), a resistor R1 and a resistor R2 are connected in series, one end of R1 is connected to VCC, the other end of R1 is connected to an input signal end D of a D latch through a current-limiting resistor R2 and is also connected to R2 in series, one end of R2 is connected to R in series, the other end of R2 is connected to an output signal enable end of the D latch through a current-limiting resistor R5, the voltages of two pins, i.e., the input signal end D and the output enable signal end OE, of the D latch are pulled up to a high level (H), one end of a pull-down resistor R6 is connected to an output end OUT of the D latch, the other end is grounded, the potential of the output signal end OUT is pulled down to a low level (L), the level reaching the latch signal end LE through a not gate circuit is.
As shown in fig. 2 and 3, after the charging gun is inserted (t 1), the charging gun resistor R3 is connected to the resistor voltage divider circuit, one end of the resistor voltage divider circuit is connected to the resistor R2, the other end of the resistor voltage divider circuit is grounded, the resistor R1, the resistor R2 and the charging gun resistor divide the voltage, at this time (t 2), the output signal enable end OE is pulled down to the low level, and the D latch output is enabled; meanwhile, the resistor R2, the charging gun resistor R3 and the capacitor C1 form an RC charging and discharging circuit (3), at the moment, the voltage of the input signal end D discharges the capacitor C1 through the resistor R2 and the charging gun resistor R3, the voltage slowly drops to a low level, before the voltage of the input signal end D drops to an input high level minimum threshold value VIH (min) (t 3) which can be identified by the D latch, the latch signal end LE has a period of high level, according to the characteristics of the D latch, the output end OUT of the latch is at the high level at the moment, the system is awakened, then the NOT gate circuit enables the latch signal end LE to be at the low level, the D latch is in a non-enabling state, the output signal end OUT of the latch follows the last state to be at the high level, the signal output end of the whole circuit keeps at the high level, and the system is in an.
To perform this step, the voltage at pin D is dropped to the lowest threshold of the input high level that can be recognized by the latch
For a time greater than
，
The minimum high interval that the D-latch can recognize. The holding state is automatically released after the signal holding time is (R2 + R3) and the discharge constant time tau of C1.
Then
In addition, to ensure that the potential of the input signal pin D of the D latch can be recognized as low level by the D latch after the discharge is completed, the potential of the pin D should be at the lowest threshold value of the low level of the D latch after the discharge is completed (step (c))
) Within the range, the resistance voltage division needs to meet the following requirements:
And R2= n R3(n is not less than 10, the charging gun resistance (R3) resistance range specified by the national standard is 100 omega to 3.3k omega,
therefore, when the resistances of R1, R2, and R3 are arranged, the calculation is performed in conjunction with the above description.
The NOT gate circuit (4) comprises a NOT gate circuit element, wherein the input end of the NOT gate is connected with the resistor R7, and the output end of the NOT gate is connected with the latch enable end LE of the D latch; the sleep control circuit (5) comprises an N-MOS (metal oxide semiconductor) tube, the drain end of the N-MOS tube is connected with the resistor R7, the grid end of the N-MOS tube is connected with the control pin of the MCU, after charging is completed (t 4), the MCU sends a control signal to the grid of the N-MOS tube to enable the N-MOS tube to be conducted, the output signal end OUT of the latch is pulled down to a low level, the system enters a sleep state, meanwhile, the NOT-gate circuit (4) enables the latch signal LE to be changed into a high level, namely the input state of the latch is an enabled state, the output signal end OUT of the latch follows the state of the input signal end D to be a low level, and the system is continuously in the.
Above-mentioned scheme is only the utility model discloses a preferred scheme, the utility model discloses a scope of protection is not limited to this only, and any non-intelligence innovation's that this technical field technician made replacement or improvement all belong to the utility model discloses a scope of protection.
Claims (6)
1. The utility model provides an electric automobile rifle resistance awakens BMS system up and takes rifle dormancy circuit, its characterized in that, including D latch circuit, resistance bleeder circuit, RC charge-discharge circuit, NOT gate circuit and dormancy control circuit, resistance bleeder circuit with D latch circuit connects, RC charge-discharge circuit with D latch circuit connects, NOT gate circuit with D latch circuit connects, dormancy control circuit with D latch circuit connects.
2. The electric vehicle charging gun resistor awakening BMS system and the gun sleeping circuit according to claim 1, wherein the D latch circuit comprises a D latch, a resistor R4, a resistor R5 and a resistor R7, the resistor R4 is connected with an input signal end D of the D latch, the resistor R5 is connected with an output enable signal end OE of the D latch, one end of the resistor R6 is connected with an output end OUT of the D latch, the other end of the resistor R6 is grounded, one end of the resistor R7 is connected with the output end OUT of the D latch, and the other end of the resistor R7 is connected with the BMS system as an output end of the sleeping circuit.
3. The BMS system and the dormant circuit with the gun for charging the electric vehicle according to claim 1, wherein the voltage divider circuit comprises the resistor R1, a resistor R2 and a charging gun resistor socket, the resistor R1 and the resistor R2 are connected in series, the resistor R1 is connected with VCC, and one end of the charging gun resistor socket is connected with ground.
4. The BMS and rifle sleep circuit according to claim 1, wherein the RC charge/discharge circuit comprises a capacitor C1, a resistor R2 and a charging rifle resistor socket, and the capacitor C1 is connected in parallel across the resistor R2 and the charging rifle resistor socket.
5. The BMS and the sleep circuit with the gun for charging the electric vehicle according to claim 1, wherein the NOT gate circuit comprises a NOT gate circuit element, an input end of the NOT gate is connected with the resistor R7, and an output end of the NOT gate is connected with the latch signal LE of the D latch.
6. The BMS and the sleep circuit with the gun for the charging gun resistor of the electric automobile according to claim 1, wherein the sleep control circuit comprises an N-MOS transistor, the drain (D) of the N-MOS transistor is connected with the resistor R7, the grid (G) of the N-MOS transistor is connected with an MCU-control, and the source (S) of the N-MOS transistor is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920564226.2U CN210101377U (en) | 2019-04-24 | 2019-04-24 | BMS system is awaken up to electric automobile rifle resistance that charges and takes rifle dormancy circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920564226.2U CN210101377U (en) | 2019-04-24 | 2019-04-24 | BMS system is awaken up to electric automobile rifle resistance that charges and takes rifle dormancy circuit |
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| Publication Number | Publication Date |
|---|---|
| CN210101377U true CN210101377U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920564226.2U Active CN210101377U (en) | 2019-04-24 | 2019-04-24 | BMS system is awaken up to electric automobile rifle resistance that charges and takes rifle dormancy circuit |
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| CN (1) | CN210101377U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113147479A (en) * | 2021-05-11 | 2021-07-23 | 昆山宝创新能源科技有限公司 | Dormancy awakening control circuit, charging control system and vehicle |
| CN113561806A (en) * | 2021-07-28 | 2021-10-29 | 中国第一汽车股份有限公司 | Controller, control method, vehicle and control system |
| CN116118549A (en) * | 2023-04-04 | 2023-05-16 | 南京能瑞电力科技有限公司 | Method and device for determining guiding state of alternating-current charging pile and alternating-current charging pile |
| WO2024088014A1 (en) * | 2022-10-24 | 2024-05-02 | 宁德时代新能源科技股份有限公司 | Bms sleep wake-up circuit and method, bms and electric device |
-
2019
- 2019-04-24 CN CN201920564226.2U patent/CN210101377U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113147479A (en) * | 2021-05-11 | 2021-07-23 | 昆山宝创新能源科技有限公司 | Dormancy awakening control circuit, charging control system and vehicle |
| CN113147479B (en) * | 2021-05-11 | 2022-08-09 | 昆山宝创新能源科技有限公司 | Dormancy awakening control circuit, charging control system and vehicle |
| CN113561806A (en) * | 2021-07-28 | 2021-10-29 | 中国第一汽车股份有限公司 | Controller, control method, vehicle and control system |
| WO2023005733A1 (en) * | 2021-07-28 | 2023-02-02 | 中国第一汽车股份有限公司 | Controller, control method, vehicle, and control system |
| WO2024088014A1 (en) * | 2022-10-24 | 2024-05-02 | 宁德时代新能源科技股份有限公司 | Bms sleep wake-up circuit and method, bms and electric device |
| CN116118549A (en) * | 2023-04-04 | 2023-05-16 | 南京能瑞电力科技有限公司 | Method and device for determining guiding state of alternating-current charging pile and alternating-current charging pile |
| CN116118549B (en) * | 2023-04-04 | 2023-06-30 | 南京能瑞电力科技有限公司 | Method and device for determining guiding state of alternating-current charging pile and alternating-current charging pile |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518000 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee after: Xinwangda Power Technology Co.,Ltd. Address before: 518107 Xinwangda Industrial Park, No.18, Tangjia south, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: SUNWODA ELECTRIC VEHICLE BATTERY Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240507 Address after: 518100, Building 2, Innovation Smart Port, No. 155 Hongtian Road, Huangpu Community, Xinqiao Street, Bao'an District, Shenzhen City, Guangdong Province, China Patentee after: Xinjie An Automotive Electronics Co.,Ltd. Country or region after: China Address before: 518000 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: Xinwangda Power Technology Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |