CN107444150B - Electromagnetic interference suppression awakening circuit and electric automobile - Google Patents
Electromagnetic interference suppression awakening circuit and electric automobile Download PDFInfo
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- CN107444150B CN107444150B CN201710622647.1A CN201710622647A CN107444150B CN 107444150 B CN107444150 B CN 107444150B CN 201710622647 A CN201710622647 A CN 201710622647A CN 107444150 B CN107444150 B CN 107444150B
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- 230000001629 suppression Effects 0.000 title claims abstract description 40
- 230000002265 prevention Effects 0.000 claims abstract description 39
- 230000015556 catabolic process Effects 0.000 claims abstract description 3
- 230000001052 transient effect Effects 0.000 claims description 12
- 230000002457 bidirectional effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
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- 230000033228 biological regulation Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to 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
- Y02T10/70—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
- Y02T90/14—Plug-in electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Electronic Switches (AREA)
Abstract
The invention provides an electromagnetic interference suppression awakening circuit and an electric automobile, wherein the electromagnetic interference suppression awakening circuit comprises: the circuit comprises an electromagnetic interference suppression circuit, an anti-reverse diode and a wake-up circuit; the positive wake-up signal input end of the wake-up circuit is connected with the negative electrode of the reverse connection prevention diode, and the negative wake-up signal input end of the wake-up circuit is grounded; the electromagnetic interference suppression circuit is connected with the reverse connection prevention diode and connected with the awakening circuit; the electromagnetic interference suppression circuit is used for receiving the awakening signal, carrying out clamping processing on the awakening signal to obtain a clamped awakening signal, and transmitting the clamped awakening signal to the awakening circuit through the reverse connection prevention diode. Through the electromagnetic interference suppression circuit, the voltage value of the wake-up signal is clamped in a safety range, and then the wake-up signal with the voltage value in the safety range is transmitted to the wake-up circuit, so that the breakdown of the reverse connection prevention diode is avoided.
Description
Technical Field
The invention relates to the field of electronic circuits, in particular to an electromagnetic interference suppression wake-up circuit and an electric automobile.
Background
The direct current fills electric pile can carry out quick charge to electric automobile's power battery to reduce customer's latency, so generally call direct current fills electric pile for filling electric pile fast.
The input end of the direct current charging pile is connected with a 380-volt alternating current power supply, and the output end of the direct current charging pile outputs high-voltage direct current. According to the Chinese standard regulation, the direct current charging pile performs signal control and energy transmission through a charging wire, a charging port, a charging seat and a vehicle-mounted high-low voltage cable, wherein the high-voltage cable is an energy transmission line connected with a power battery, the low-voltage cable is a control line connected with a vehicle control unit, the charging port is located in the direct current charging pile, and the charging seat is located in the electric vehicle.
In the process of charging the electric automobile by using the direct current charging pile, as the high-voltage relay is arranged on the direct current charging pile, higher transient voltage impact can be generated at the moment of actuation of the high-voltage relay; meanwhile, due to the integrated design of the control line and the energy transmission line for interaction between the direct current charging pile and the electric automobile, higher transient voltage on the energy transmission line connected with the high-voltage relay can be coupled to the control line, so that electromagnetic interference is formed, and impact is generated on the awakening circuit connected with the control line. Since a reverse-connection prevention diode is generally connected in series with the control line connected to the wake-up circuit, a high transient voltage coupled to the control line may cause the reverse-connection prevention diode and a transistor in the wake-up circuit to burn out or break down, thereby causing a vehicle fault.
Disclosure of Invention
The invention provides an electromagnetic interference suppression wake-up circuit and an electric automobile, which are used for solving the problems that a high-voltage relay in a charging pile in the prior art generates transient high-voltage impact and couples higher transient voltage to a control line, so that a reverse connection prevention diode connected in series on the control line and a transistor in the wake-up circuit are burnt or broken down.
In order to solve the technical problems, the invention adopts the following technical scheme:
in accordance with an aspect of the present invention, there is provided an emi suppression wake-up circuit, including: the circuit comprises an electromagnetic interference suppression circuit, an anti-reverse diode and a wake-up circuit;
the positive wake-up signal input end of the wake-up circuit is connected with the negative electrode of the reverse connection prevention diode, and the negative wake-up signal input end of the wake-up circuit is grounded;
the electromagnetic interference suppression circuit is connected with the reverse connection prevention diode and connected with the awakening circuit;
the electromagnetic interference suppression circuit is used for receiving the awakening signal, carrying out clamping processing on the awakening signal to obtain a clamped awakening signal, and transmitting the clamped awakening signal to the awakening circuit through the reverse connection prevention diode.
Further, the electromagnetic interference suppression circuit includes: a first TVS (Transient Voltage Suppressor) diode and a second TVS diode; the first end of the first TVS diode is connected with the anode of the reverse-connection prevention diode, and the second end of the first TVS diode is connected with the cathode of the reverse-connection prevention diode; the first end of the second TVS diode is connected with the negative electrode of the reverse connection prevention diode, and the second end of the second TVS diode is connected with the negative-going awakening signal input end of the awakening circuit;
when the voltage value of the wake-up signal has positive fluctuation, the second TVS diode clamps the voltage value of the wake-up signal below a preset first voltage value;
when the voltage value of the wake-up signal has negative fluctuation, the first TVS diode clamps the voltage value of the wake-up signal below the preset first voltage value.
Further, the preset first voltage value is not larger than the breakdown voltage value of the reverse connection prevention diode.
Further, the wake-up circuit includes: the device comprises a voltage division module and an acquisition processing module; the voltage division module is connected with the reverse connection prevention diode and connected with the acquisition processing module;
the voltage division module is used for receiving the clamping awakening signal sent by the reverse connection prevention diode, carrying out voltage division processing to obtain a voltage division awakening signal and transmitting the voltage division awakening signal to the acquisition processing module;
the acquisition processing module is used for receiving the partial pressure awakening signal and determining whether to awaken the automobile power battery according to the voltage value of the partial pressure awakening signal.
Further, the first TVS diode is a bidirectional TVS diode.
Further, the model of the first TVS diode is SMBJ12AHE 3.
Further, the second TVS diode is a bidirectional TVS diode.
Further, the model of the second TVS diode is SMBJ12AHE 3.
Further, the type of the reverse connection prevention diode is VS-1EFH02HM 3.
In accordance with still another aspect of the present invention, there is provided an electric vehicle including a vehicle controller including: an emi suppression wake-up circuit as described above.
The invention has the beneficial effects that:
according to the technical scheme, the electromagnetic interference suppression circuit is connected with the reverse connection prevention diode and is connected with the wake-up circuit. The positive wake-up signal input end of the wake-up circuit is connected with the negative electrode of the reverse connection prevention diode, and the negative wake-up signal input end of the wake-up circuit is grounded. The electromagnetic interference suppression circuit is used for receiving the wake-up signal, carrying out clamping processing on the received wake-up signal, clamping the voltage value of the wake-up signal in a safety range, and then transmitting the wake-up signal in the safety range to the wake-up circuit through the reverse connection prevention diode. The power battery awakening circuit has the advantages that the purpose of awakening the power battery can be achieved, meanwhile, the voltage value of the awakening signal is clamped in a safe range, the anti-reverse diode and the transistor in the awakening circuit can be well protected, and the problem that the anti-reverse diode and the transistor in the awakening circuit are burnt or broken down due to the fact that electromagnetic interference is doped in the awakening signal is avoided.
Drawings
Fig. 1 is a schematic diagram of an emi suppression wake-up circuit according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating voltage fluctuation of the wake-up signal according to an embodiment of the present invention.
Description of reference numerals:
d1, an anti-reverse diode; TVS1, a first TVS diode; TVS2, a second TVS diode.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As shown in fig. 1, an embodiment of the present invention provides an electromagnetic interference suppression wake-up circuit, including: the circuit comprises an electromagnetic interference suppression circuit, an anti-reverse diode D1 and a wake-up circuit;
the positive wake-up signal input end of the wake-up circuit is connected with the negative electrode of the reverse connection prevention diode D1, and the negative wake-up signal input end of the wake-up circuit is grounded;
the electromagnetic interference suppression circuit is connected with the reverse connection prevention diode D1 and is connected with the wake-up circuit;
the electromagnetic interference suppression circuit is used for receiving the wake-up signal, carrying out clamping processing on the wake-up signal to obtain a clamped wake-up signal, and transmitting the clamped wake-up signal to the wake-up circuit through the reverse connection prevention diode.
It should be noted that, the control line and the energy transmission line for the interaction between the dc charging pile and the electric vehicle are designed as an integrated unit, and a higher transient voltage on the energy transmission line connected to the high-voltage relay may be coupled to the control line, that is, a higher transient voltage may be doped in the wake-up signal transmitted on the control line, and in general, the higher transient voltage coupled on the control line may be referred to as electromagnetic interference.
The electromagnetic interference suppression circuit receives the wake-up signal, clamps the received wake-up signal, clamps the voltage value of the wake-up signal within a safety range, and then transmits the wake-up signal within the safety range to the wake-up circuit through the anti-reverse diode D1. The purpose of awakening the power battery can be achieved, meanwhile, as the voltage value of the awakening signal is clamped in a safe range, the anti-reverse-connection diode D1 and the transistor in the awakening circuit can be well protected, and the problem that the anti-reverse-connection diode D1 and the transistor in the awakening circuit are burnt or broken down due to the fact that electromagnetic interference is doped in the awakening signal is avoided.
In an embodiment of the present invention, an electromagnetic interference suppressing circuit includes: a first TVS diode TVS1 and a second TVS diode TVS 2; a first end of the first TVS diode TVS1 is connected with the anode of the reverse-connection prevention diode D1, and a second end is connected with the cathode of the reverse-connection prevention diode D1; the first end of the second TVS diode TVS2 is connected with the negative electrode of the reverse-connection prevention diode D1, and the second end of the second TVS diode TVS2 is connected with the negative-going awakening signal input end of the awakening circuit;
when the voltage value of the wake-up signal has a positive fluctuation, the second TVS diode TVS2 clamps the voltage value of the wake-up signal below a preset first voltage value;
when the voltage value of the wake-up signal has negative fluctuation, the first TVS diode TVS1 clamps the voltage value of the wake-up signal below the preset first voltage value.
It should be noted that the voltage value of the wake-up signal fluctuates due to the electromagnetic interference in the wake-up signal, referring to fig. 2, the normal voltage value of the wake-up signal is U, the positive fluctuation voltage value is the sum of U and U1, the negative fluctuation voltage value is the difference between U and U2, the fluctuation of the voltage value of the wake-up signal occurs within time t, and the value of t is small, so that it can be referred to as transient change. The TVS diode is also called a transient suppression diode, and can well suppress voltage fluctuation of the wake-up signal, and clamp the voltage value of the wake-up signal below a preset first voltage value. The specific value of the preset first voltage value is determined by the model numbers of the first TVS diode TVS1 and the second TVS diode TVS2, preferably, the first TVS diode TVS1 is a bidirectional TVS diode and has the model number of SMBJ12AHE 3; the second TVS diode TVS2 is a bidirectional TVS diode and is model SMBJ12AHE 3.
In order to prevent the reverse connection prevention diode D1 from being broken down or burnt out, the reverse connection prevention diode D1 is a diode with a high withstand voltage value, and may be a diode with model number VS-1EFH02HM3, for example.
In an embodiment of the present invention, a wake-up circuit includes: the device comprises a voltage division module and an acquisition processing module; the voltage division module is connected with an anti-reverse diode D1 and is connected with the acquisition processing module;
the voltage division module is used for receiving the clamping awakening signal sent by the reverse connection prevention diode D1, performing voltage division processing to obtain a voltage division awakening signal, and transmitting the voltage division awakening signal to the acquisition processing module;
the acquisition processing module is used for receiving the partial pressure awakening signal and determining whether to awaken the automobile power battery according to the voltage value of the partial pressure awakening signal.
It should be noted that the wake-up circuit is configured to determine whether to wake up the power battery of the vehicle according to the voltage value of the wake-up signal. Because the voltage value of the wake-up signal is large, the voltage division module in the wake-up circuit divides the voltage value of the wake-up signal received by the wake-up circuit. The voltage dividing module comprises a voltage stabilizing tube and diodes with other functions, and the voltage stabilizing tube and the diodes are easy to break down or burn, so that the voltage value of the wake-up signal entering the wake-up circuit is controlled within a safe range through the electromagnetic interference suppression circuit.
In accordance with still another aspect of the present invention, there is provided an electric vehicle including a vehicle controller including: the above embodiments provide an emi suppression wake-up circuit.
In the electromagnetic interference suppression wake-up circuit in the electric automobile provided by the embodiment of the invention, the electromagnetic interference suppression circuit is connected with the reverse connection prevention diode and is connected with the wake-up circuit. The positive wake-up signal input end of the wake-up circuit is connected with the negative electrode of the reverse connection prevention diode, and the negative wake-up signal input end of the wake-up circuit is grounded. The electromagnetic interference suppression circuit is used for receiving the wake-up signal, carrying out clamping processing on the received wake-up signal, clamping the voltage value of the wake-up signal in a safety range, and then transmitting the wake-up signal in the safety range to the wake-up circuit through the reverse connection prevention diode. The power battery awakening circuit has the advantages that the purpose of awakening the power battery can be achieved, meanwhile, the voltage value of the awakening signal is clamped in a safe range, the anti-reverse diode and the transistor in the awakening circuit can be well protected, and the problem that the anti-reverse diode and the transistor in the awakening circuit are burnt or broken down due to the fact that electromagnetic interference is doped in the awakening signal is avoided.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or terminal equipment comprising the element.
Claims (7)
1. An electromagnetic interference suppression wake-up circuit, comprising: an electromagnetic interference suppression circuit, an anti-reverse diode (D1) and a wake-up circuit;
the positive wake-up signal input end of the wake-up circuit is connected with the negative electrode of the reverse connection prevention diode (D1), and the negative wake-up signal input end of the wake-up circuit is grounded;
the electromagnetic interference suppression circuit is connected with the reverse connection prevention diode (D1) and is connected with the wake-up circuit;
the electromagnetic interference suppression circuit is used for receiving an awakening signal, carrying out clamping processing on the awakening signal to obtain a clamped awakening signal, and transmitting the clamped awakening signal to the awakening circuit through the reverse connection prevention diode;
the electromagnetic interference suppression circuit includes: a first transient suppression TVS diode (TVS1) and a second TVS diode (TVS 2); the first TVS diode (TVS1) has a first end connected with the anode of the anti-reverse diode (D1) and a second end connected with the cathode of the anti-reverse diode (D1); the first end of the second TVS diode (TVS2) is connected with the negative electrode of the reverse-connection prevention diode (D1), and the second end of the second TVS diode is connected with the negative-direction awakening signal input end of the awakening circuit;
when the voltage value of the wake-up signal has positive fluctuation, the second TVS diode (TVS2) clamps the voltage value of the wake-up signal below a preset first voltage value;
when the voltage value of the wake-up signal has negative fluctuations, the first TVS diode (TVS1) clamps the voltage value of the wake-up signal below the preset first voltage value;
the wake-up circuit includes: the device comprises a voltage division module and an acquisition processing module; the voltage division module is connected with the reverse connection prevention diode (D1) and is connected with the acquisition processing module;
the voltage division module is used for receiving the clamping awakening signal sent by the reverse connection prevention diode (D1), carrying out voltage division processing to obtain a voltage division awakening signal, and transmitting the voltage division awakening signal to the acquisition processing module;
the acquisition processing module is used for receiving the partial pressure awakening signal and determining whether to awaken the automobile power battery according to the voltage value of the partial pressure awakening signal;
wherein the preset first voltage value is not greater than a breakdown voltage value of the reverse-connection prevention diode (D1).
2. The emi suppressed wake-up circuit according to claim 1, characterised in that said first TVS diode (TVS1) is a bidirectional TVS diode.
3. The emi suppression wake-up circuit according to claim 2, characterised in that the first TVS diode (TVS1) is model SMBJ12AHE 3.
4. The emi suppressed wake-up circuit according to claim 1, characterised in that said second TVS diode (TVS2) is a bidirectional TVS diode.
5. The EMI suppression wake-up circuit according to claim 4, characterised in that said second TVS diode (TVS2) is model SMBJ12AHE 3.
6. The emi suppression wake-up circuit of claim 1, wherein the reverse diode has a model of VS-1EFH02HM 3.
7. An electric vehicle comprising a vehicle controller, characterized in that the vehicle controller comprises: an emi suppression wake-up circuit as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710622647.1A CN107444150B (en) | 2017-07-27 | 2017-07-27 | Electromagnetic interference suppression awakening circuit and electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710622647.1A CN107444150B (en) | 2017-07-27 | 2017-07-27 | Electromagnetic interference suppression awakening circuit and electric automobile |
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| CN107444150A CN107444150A (en) | 2017-12-08 |
| CN107444150B true CN107444150B (en) | 2020-12-04 |
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| CN108001276B (en) * | 2017-12-12 | 2020-06-19 | 北京新能源汽车股份有限公司 | Electric automobile |
| CN112564848B (en) * | 2020-11-26 | 2022-05-31 | 珠海格力电器股份有限公司 | Interference signal filtering device, automobile and interference signal filtering method of automobile |
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| US8456138B2 (en) * | 2010-07-14 | 2013-06-04 | Macmic Science & Technology Co., Ltd. | Programmable high voltage energy saving system |
| CN105515094A (en) * | 2015-12-04 | 2016-04-20 | 合肥工业大学 | Charging wake-up circuit of battery management system |
| CN205544926U (en) * | 2016-03-22 | 2016-08-31 | 北京新能源汽车股份有限公司 | Low-voltage power supply circuit of electric heating control system and vehicle |
| CN205791590U (en) * | 2016-05-11 | 2016-12-07 | 安徽锐能科技有限公司 | Battery management system power supply circuits |
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