CN209191844U - A kind of electric car thermal management controller - Google Patents
A kind of electric car thermal management controller Download PDFInfo
- Publication number
- CN209191844U CN209191844U CN201821513412.5U CN201821513412U CN209191844U CN 209191844 U CN209191844 U CN 209191844U CN 201821513412 U CN201821513412 U CN 201821513412U CN 209191844 U CN209191844 U CN 209191844U
- Authority
- CN
- China
- Prior art keywords
- circuit
- temperature
- microprocessor
- acquisition
- temperature collection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- 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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
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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
- 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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Landscapes
- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model relates to a kind of electric car thermal management controllers, including microprocessor circuit, power supply processing circuit, CAN communication circuit, temperature collection circuit, brightness Acquisition Circuit, switching value processing circuit, driving circuit for electromagnetic valve, valve driving circuit, overcurrent protection interlock circuit, PWM output circuit, LIN communicating circuit.Power supply processing circuit is microprocessor, CAN communication, solenoid-driven and valve driving power supply；Temperature collection circuit is used for temperature collection；Brightness Acquisition Circuit is for acquiring brightness；Microprocessor circuit provides indication signal for driving circuit for electromagnetic valve and valve driving circuit, overcurrent protection interlock circuit occur electric current it is excessive when, fault-signal is simultaneously passed to microprocessor by cut-off signals；Microprocessor is connected with PWM output circuit, LIN communicating circuit, CAN communication circuit, switching value processor circuit.The utility model integrates air-conditioning system, cooling system, recuperation of heat in vehicle using the control of system, keeps Full Vehicle System more energy efficient.
Description
Technical field
The utility model relates to electronic control unit devices for electric vehicle, are related to a kind of electric car thermal management controller.
Background technique
With national policy guide and discharge it is increasingly harsh, new-energy automobile volume of production and marketing increasingly increases, pure electric vehicle vapour
Vehicle is also by unprecedented attention and development.For orthodox car, electric car eliminates the components such as engine, fuel tank,
The components such as motor, motor controller, DC-DC converter, Vehicular charger, battery pack are increased, these new Electronating devices
It can generate heat, be cooled down at work.Due to eliminating engine, car has lacked heat source, and electric vehicle mainstream adds at present
Hot mode is PTC heating, and PTC power is larger, has seriously affected the course continuation mileage of electric car, therefore part electric vehicle heat now
Management system increases heat energy recycling system, and the waste heat that motor and motor controller generate is recycled to air-conditioning system
As warm wind heat source.Due to the attention to course continuation mileage, each Automobile Enterprises gradually start to pay attention to the heat management system of vehicle, improve
The power consumption efficiency of electric vehicle.The air-conditioning system of vehicle, cooling system, recuperation of heat are using the control of system by different components at present
Execute so that control system is especially complex, and to the heat in vehicle can not maximum reasonable utilization.
Summary of the invention
The utility model proposes a kind of electric car thermal management controller, which is integrated with air-conditioning system, heat dissipation system
System, recuperation of heat keep whole-control system more terse, improve the reasonable utilization of thermal energy in vehicle using systems control division point,
Make vehicle more power saving.
The present invention is achieved by the following technical solutions:
The utility model includes microprocessor circuit, power supply processing circuit, CAN communication circuit, temperature collection circuit, light
It is defeated to spend Acquisition Circuit, switching value processing circuit, driving circuit for electromagnetic valve, valve driving circuit, overcurrent protection interlock circuit, PWM
Circuit, LIN communicating circuit out, the power supply processing circuit are microprocessor circuit, CAN communication circuit, driving circuit for electromagnetic valve
And valve drive circuitry；The temperature collection circuit is connect with microprocessor circuit for acquiring environment temperature；The light
Brightness Acquisition Circuit is connect with microprocessor circuit for acquiring environmental light brightness；The microprocessor circuit and solenoid-driven
Circuit is connected with valve drive block provides indication signal, and the overcurrent protection interlock circuit and driving circuit for electromagnetic valve, valve drive
Dynamic circuit connection, occur electric current it is excessive when, fault-signal is simultaneously passed to microprocessor circuit by cut-off signals；The PWM is defeated
Circuit, LIN communicating circuit, CAN communication circuit, switching value processor circuit are connect with the microprocessor circuit out.
Preferably, the valve driving circuit uses H bridge full bridge driving circuit.
The temperature collection circuit includes the first temperature collection circuit, second temperature Acquisition Circuit, third temperature acquisition electricity
Road, the 4th temperature collection circuit, the 5th temperature collection circuit, first temperature collection circuit includes to detect in cockpit
Acquisition Circuit, the second temperature Acquisition Circuit of temperature include to detect the Acquisition Circuit of vehicle external environment temperature, third temperature is adopted
Collector include to detect the Acquisition Circuit of evaporator temperature, the 4th temperature collection circuit includes to detect coolant temperature
Acquisition Circuit, the 5th temperature collection circuit include Acquisition Circuit to detect air-conditioner air outlet temperature.
The overcurrent protection interlock circuit can be unlocked after overcurrent protection locking by microprocessor circuit.
Detailed description of the invention
Fig. 1 is the system block diagram of the utility model；
Fig. 2 is the utility model overcurrent protection interlock circuit circuit diagram；
Fig. 3 is the utility model switching value processing circuit circuit diagram.
Specific embodiment
Below in conjunction with drawings and examples, the utility model is described in further detail:
If Fig. 1 the utility model includes microprocessor circuit, power circuit, CAN communication circuit, temperature collection circuit, light
Brightness Acquisition Circuit, switching value processing circuit, driving circuit for electromagnetic valve, valve driving circuit, overcurrent protection interlock circuit, PWM
Output circuit, LIN communicating circuit, the power circuit be microprocessor circuit, CAN communication circuit, driving circuit for electromagnetic valve and
Valve drive circuitry；The temperature collection circuit is connect with microprocessor circuit for acquiring environment temperature；The light
Degree Acquisition Circuit is connect with microprocessor circuit for acquiring environmental light brightness；The microprocessor circuit and switching value processor
Circuit connection；The microprocessor circuit is connected with driving circuit for electromagnetic valve and valve drive block provides indication signal, the mistake
Stream protection interlock circuit be connected with driving circuit for electromagnetic valve, valve driving circuit, occur electric current it is excessive when, cut-off signals simultaneously general
Fault-signal passes to microprocessor circuit；The PWM output circuit is connect with microprocessor circuit；The LIN communicating circuit
It is connect with microprocessor circuit, the CAN communication circuit is connect with microprocessor circuit.
Preferably, the valve driving circuit is H bridge full bridge driving circuit, H bridge full bridge driving circuit passes through micro process
The executable control to valve opening of control signal of device circuit transmitting.
The temperature collection circuit includes the first temperature collection circuit, second temperature Acquisition Circuit, third temperature acquisition electricity
Road, the 4th temperature collection circuit, the 5th temperature collection circuit.First temperature collection circuit includes to detect in cockpit
Acquisition Circuit, the second temperature Acquisition Circuit of temperature include to detect the Acquisition Circuit of vehicle external environment temperature, third temperature is adopted
Collector include to detect the Acquisition Circuit of evaporator temperature, the 4th temperature collection circuit includes to detect coolant temperature
Acquisition Circuit, the 5th temperature collection circuit include Acquisition Circuit to detect air-conditioner air outlet temperature.
Preferably, coolant temperature Acquisition Circuit uses platinum resistance as sensor, Acquisition Circuit uses constant-current source side
Formula improves acquisition precision.
Such as Fig. 2, the overcurrent protection interlock circuit can be unlocked after overcurrent protection locking by microprocessor circuit, and overcurrent is protected
Protecting interlock circuit includes the NAND gate of the 6th resistance R6, the 7th resistance R7, first U1, the second NAND gate U2, with door U4, comparator
U3, the 7th resistance R7 are sampling resistor, and when current is excessive, comparator U3 second pin voltage is greater than the first pin, comparator
U3 output is level.Comparator U3 output the first NAND gate U1 first input end of termination, the first NAND gate U1 first input end are
Then the first NAND gate U1 output end is height to low level, which transmits a microprocessor circuit and carry out report event, while connecting second
NAND gate U2 first input end, second the second input terminal of NAND gate U2 are the unlocking signal of processor circuit, are high electricity when normal
Flat, the second NAND gate output end is low level, the second NAND gate output termination and the second input terminal of door U4 at this time, with door U4 first
Input terminal is the control signal of microprocessor circuit transmitting, is low electricity with door U4 output when being low with the second input terminal of door U4
It is flat, connect driving circuit with door U4 output end, exports when being low, control is invalid, therefore the control of microprocessor circuit transmitting is believed
It is number invalid；It, can be by the electricity when it is low that microprocessor circuit, which passes to second the second input terminal of NAND gate, after over current fault releases
Road unlock, driving circuit operate normally.
The digital output modul signal controlled and received all passes through switching value processing circuit and is transferred to microprocessor circuit, such as Fig. 3,
Switching value processing circuit includes first resistor R1, second resistance R2, capacitor C1,3rd resistor R3, the 4th resistance R4, the 5th resistance
R5, voltage-stabiliser tube D1, NPN triode Q1；The first resistor R1, second resistance R2, capacitor C1 as open collector signal at
Circuit is managed, when normal, signal VIN1 is hanging, and signal is pulled to VCC, second resistance R2 and capacitor C1 as RC by first resistor R1
Filtering, signal GPl01 are that high level is transferred to microprocessor circuit；When signal VIN1 is pulled to low level, through second resistance R2
Low level is transferred to microprocessor circuit with the capacitor C1 filter constituted.The 3rd resistor R3, the 4th resistance R4, the 5th
Resistance R5, voltage-stabiliser tube D1, NPN triode constitute high level signal processing circuit, and 3rd resistor R3 mono- terminates signal input part, separately
One terminates the base stage of the 4th one end resistance R4, voltage-stabiliser tube D1 cathode and NPN triode Q1, the other end of the 4th resistance R4, pressure stabilizing
The other end of pipe D1 and the emitter of NPN triode connect power ground, and NPN triode collector meets the 5th resistance R5, is pulled to
VCC, while output signal GPl02, to microprocessor control circuit, when signal VIN2 is high, signal GPl02 is low level, when
When signal VIN2 is low level or is hanging, signal GPl02 is high level.
Embodiment described above is only that preferred embodiments of the present invention will be described, not to design of the invention
It is defined with range.Without departing from the design concept of the invention, ordinary people in the field is to technical side of the invention
The all variations and modifications that case is made, should all drop into protection scope of the present invention, the claimed technology contents of the present invention,
Through being all described in the claims.
Claims (5)
1. a kind of electric car thermal management controller, it is characterised in that: logical including microprocessor circuit, power supply processing circuit, CAN
Interrogate circuit, temperature collection circuit, brightness Acquisition Circuit, switching value processing circuit, driving circuit for electromagnetic valve, valve driving electricity
Road, overcurrent protection interlock circuit, PWM output circuit, LIN communicating circuit, the power supply processing circuit be microprocessor circuit,
CAN communication circuit, driving circuit for electromagnetic valve and valve drive circuitry；The temperature collection circuit and microprocessor circuit connect
It connects for acquiring environment temperature；The brightness Acquisition Circuit is connect with microprocessor circuit for acquiring environmental light brightness；Institute
It states microprocessor circuit and is connected with driving circuit for electromagnetic valve and valve drive block and indication signal is provided, overcurrent protection interlocking electricity
Road is connect with driving circuit for electromagnetic valve, valve driving circuit, occur electric current it is excessive when, cut-off signals simultaneously transmit fault-signal
To microprocessor circuit；The PWM output circuit, LIN communicating circuit, CAN communication circuit, switching value processor circuit with it is described
Microprocessor circuit connection.
2. a kind of electric car thermal management controller according to claim 1, it is characterised in that: the valve driving circuit
For H bridge full bridge driving circuit.
3. a kind of electric car thermal management controller according to claim 1, it is characterised in that: the temperature collection circuit
Including the first temperature collection circuit, second temperature Acquisition Circuit, third temperature collection circuit, the 4th temperature collection circuit, the 5th
Temperature collection circuit.
4. a kind of electric car thermal management controller according to claim 1, it is characterised in that: the overcurrent protection interlocking
Circuit can be unlocked after overcurrent protection locking by microprocessor circuit.
5. a kind of electric car thermal management controller according to claim 3, it is characterised in that: first temperature acquisition
Circuit include to detect the Acquisition Circuit of temperature in cockpit, second temperature Acquisition Circuit include to detect vehicle external environment temperature
The Acquisition Circuit of degree, third temperature collection circuit include to detect the Acquisition Circuit of evaporator temperature, the 4th temperature acquisition electricity
Road include to detect the Acquisition Circuit of coolant temperature, the 5th temperature collection circuit includes to detect air-conditioner air outlet temperature
Acquisition Circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821513412.5U CN209191844U (en) | 2018-09-04 | 2018-09-04 | A kind of electric car thermal management controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821513412.5U CN209191844U (en) | 2018-09-04 | 2018-09-04 | A kind of electric car thermal management controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209191844U true CN209191844U (en) | 2019-08-02 |
Family
ID=67406208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821513412.5U Expired - Fee Related CN209191844U (en) | 2018-09-04 | 2018-09-04 | A kind of electric car thermal management controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209191844U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111585485A (en) * | 2020-06-11 | 2020-08-25 | 湖南汇远新能源科技有限公司 | DC motor stepless speed regulation controller capable of automatically identifying PWM signal and LIN communication signal |
-
2018
- 2018-09-04 CN CN201821513412.5U patent/CN209191844U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111585485A (en) * | 2020-06-11 | 2020-08-25 | 湖南汇远新能源科技有限公司 | DC motor stepless speed regulation controller capable of automatically identifying PWM signal and LIN communication signal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190802 Termination date: 20200904 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |