CN206323727U - Electric vehicle motor controller water-cooling heat radiating device - Google Patents
Electric vehicle motor controller water-cooling heat radiating device Download PDFInfo
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- CN206323727U CN206323727U CN201621466943.4U CN201621466943U CN206323727U CN 206323727 U CN206323727 U CN 206323727U CN 201621466943 U CN201621466943 U CN 201621466943U CN 206323727 U CN206323727 U CN 206323727U
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- water
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- machine controller
- flow velocity
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Abstract
The utility model provides a kind of electric vehicle motor controller water-cooling heat radiating device, including：Water pump and water tank, the water pump and the water tank pass through aquaporin and electric machine controller and motor formation cooling circuit；Temperature sensor, the temperature sensor is arranged in the aquaporin, and the temperature sensor is arranged on the water inlet of the electric machine controller；Radiating control device, the radiating control device is connected with the temperature sensor and the water pump respectively；Entire car controller, the entire car controller is connected by order wire with the electric machine controller and the radiating control device.Compared with prior art, the utility model has advantages below：1) by checking in efficiency of the electric machine controller under different rotating speeds torque, water-cooling heat radiating system can be more accurately controlled under complex working condition, has more accurately anticipation to water temperature and water flow velocity；2) impact of IGBT TRANSIENT HIGH TEMPERATUREs is reduced, electric machine controller trouble free service performance is improved, IGBT service lifes are improved.
Description
Technical field
The utility model is related to electric automobile field, particularly a kind of electric vehicle motor controller water-cooling heat radiating device.
Background technology
With the extensive use of new-energy automobile, the performance quality of electric machine control system directly affects it in automotive field
Development, electric machine controller obtains domestic and international in-depth study as its key components and parts.Due to inverter power output by
To the limitation of power semiconductor IGBT voltage, current capacity and heat-sinking capability.At present, for electric machine controller in complexity
Heat dissipation problem under operating mode still suffers from huge test.
2nd, water-cooling heat radiating system includes water tank, motor, electric machine controller, pump, tube passage etc. in current electric automobile.Due to
Electric machine controller changed power is fast, and IGBT electric current, voltage change are frequent, while electric machine controller operating temperature range is wide, temperature
Degree change is big.Due to traditional vehicle cooling system radiating effect and without ageing, high temperature caused by transient high-current
IGBT will be impacted.
3rd, according to integrated vehicle control tactics, when IGBT temperature reaches protection temperature value, Power Control will drop in entire car controller,
Drop torque instruction is sent to electric machine controller to reduce torque, the effect of cooling is reached.When electric machine controller works long hours
High temperature, but when not reaching this special operation condition (the road climbing of spiraling) of drop power protection temperature value, IGBT service behaviours decline and
The lost of life.
Prior art 1, Chinese invention patent (electric vehicle motor controller cooling control system and method, application number：
CN201610060055.0 a kind of electric vehicle motor controller cooling control system and method) are provided, the electric motor car includes
Entire car controller, the radiating control device for controlling water-cooling heat radiating system, and the radiating part of electric machine controller accesses the water-cooled
Cooling system, the cooling control system includes instruction reception unit, flow velocity acquiring unit, wherein：The instruction reception unit,
For receiving the torque output instruction from entire car controller；The flow velocity acquiring unit, for the coolant according to radiating part
Current Temperatures and torque output order obtain demand flow velocity and are sent to radiating control device to adjust water by the demand flow velocity
The cooling liquid speed of cold cooling system.The present invention is by adjusting water-cooling heat radiating system flow velocity so that electric machine controller is in instantaneous mistake
Safe working temperature is kept during load, so as to improve the reliability of whole electric motor car.
Above-mentioned patent is, by entire car controller torque output order, to judge control water flow velocity, it is impossible to adapt to vehicle in office
Water-cooling heat radiating system control under what complex working condition；And radiating control device is relatively independent in whole-control system, automatically controlled
There is potential safety hazard in system.
Prior art 2, (pure electric automobile PMSM Drive System water-cooling is filled Chinese utility model patent
Put, application number：CN201520462794.3) it is made up of cooling circuit, detection circuit and control circuit；Described cooling circuit by
The heat sink of frequency converter module, the casing of permasyn morot, the radiating tube of blower module, expansion tank and water pump connect successively
Connect composition；The detection circuit includes cooling-water temperature sensor one and cooling-water temperature sensor two, and temperature controller is connected by control line；Temperature
Controller includes water pump Three-phase Induction Motor Control module and fan DC MOTOR CONTROL module, electric with water pump respectively through control line
Machine is connected with the motor of blower module；The utility model is applied in pure electric automobile PMSM Drive System, temperature
The information that controller receives cooling-water temperature sensor transmission through control line is spent, while turn of the motor of the motor and blower module to water pump
Speed is controlled, and capacity of self-regulation is strong, and radiating efficiency is high, and energy loss is low, can be always ensured that pure electric automobile motor drives
The normal operation of dynamic system.
The control logic of above-mentioned patent heat abstractor control water flow velocity and fan is relatively easy, is not easy to answering based on vehicle
With.
Utility model content
For defect of the prior art, the utility model purpose is to provide one kind effectively to protect under high temperature section state
Demonstrate,prove electric machine controller service behaviour, improve service life and suitable for vehicle all complex working conditions electric vehicle motor controller
Water-cooling heat radiating device.
In order to solve the above technical problems, the utility model provides a kind of electric vehicle motor controller water-cooling heat radiating device, bag
Include：Water pump and water tank, the water pump and the water tank pass through aquaporin and electric machine controller and motor formation cooling circuit；Temperature
Sensor, the temperature sensor is arranged in the aquaporin, and the temperature sensor is arranged on the electric machine controller
Water inlet；Radiating control device, the radiating control device is connected with the temperature sensor and the water pump respectively；Full-vehicle control
Device, the entire car controller is connected by order wire with the electric machine controller and the radiating control device.
Preferably, the radiating control device includes the data acquisition unit of interconnection, obtains instruction device, table look-up device, calculating
Device and given water flow velocity instruction device；Wherein described data acquisition unit is used for the water temperature for obtaining the electric machine controller entrance, simultaneously
Gather the voltage and current of bus；The acquisition instruction device is used to obtain rotating speed and the moment information that the electric machine controller is sent
Instruction, while receiving the instruction of work enable and water flow velocity regulating command that the entire car controller is sent；The table look-up device passes through
The order wire receives the information frame from the electric machine controller, parses rotating speed and the torque of the motor, obtains described
The current efficiency of electric machine controller；The electric machine controller efficiency value that the calculator is obtained according to the table look-up device and described
Water inlet water temperature and busbar voltage, current value that data acquisition unit is obtained, calculate the delivery port water temperature of a cycle；It is described to determine water
The delivery port water temperature that flow rate command device is calculated by the calculator, gives water flow velocity.
Preferably, the order wire is controller local area network's order wire.
Compared with prior art, the utility model has advantages below：
1) by checking in efficiency of the electric machine controller under different rotating speeds torque, can more accurately it be controlled under complex working condition
Water-cooling heat radiating system processed, has more accurately anticipation to water temperature and water flow velocity；
2) impact of IGBT TRANSIENT HIGH TEMPERATUREs is reduced, electric machine controller trouble free service performance is improved, IGBT service lifes are improved.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, other spies of the present utility model
Levying objects and advantages will become more apparent upon.
Fig. 1 is the utility model electric vehicle motor controller water-cooling heat radiating device vehicle application schematic diagram；
Fig. 2 is the utility model electric vehicle motor controller water-cooling heat radiating device vehicle cooling control system traffic diagram；
Fig. 3 is the utility model electric vehicle motor controller water-cooling heat radiating device radiating control device schematic diagram.
In figure：
1- electric machine controller 2- motor 3- radiating control devices
4- water pump 5- water tank 6- temperature sensors
7- water channel 8s-entire car controller 9- controller local area networks order wire
10- data acquisition units 11- obtains instruction device 12- table look-up devices
13- calculators 14- gives water flow velocity instruction device
Embodiment
The utility model is described in detail with reference to specific embodiment.Following examples will be helpful to this area
Technical staff further understands the utility model, but does not limit the utility model in any form.It should be pointed out that to ability
For the those of ordinary skill in domain, without departing from the concept of the premise utility, some changes can also be made and changed.
As shown in figure 1, the utility model electric vehicle motor controller water-cooling heat radiating device includes cooling circuit and control electricity
Road module, cooling circuit is taken away the heat that electric machine controller 1 and motor 2 are produced by water circulation, and its reclaimed water passes through water channel 7
Water pump 4, electric machine controller 1, motor 2 are sequentially passed through, the formation water circulation of water tank 5 is eventually passed back to.Radiating control device 3, according to acquisition
Command signal and temperature sensor 6 collection signal control water pump 4 so that control passage water flow velocity.
As shown in Fig. 2 in vehicle cooling control system traffic diagram, entire car controller 8, electric machine controller 1, radiating control device
3 constitute 3 nodes of the communication of vehicle cooling control system controller local area network order wire 9, and they pass through controller LAN
Network communication protocol is communicated in the form of receiving frame.Radiating control device 3 receives vehicle by controller local area network's order wire
The command instruction that controller 8 is sent, while receiving the rotating speed and moment information of the motor 2 sent from electric machine controller 1.Radiating
Control module 3 also will feed back information to electric machine controller 1 and entire car controller 8 in real time according to judgement.
As shown in figure 3, radiating control device 3 includes data acquisition unit 10, obtains instruction device 11, table look-up device 12, calculator
13 and given water flow velocity instruction device 13.Wherein data acquisition unit 10, for obtaining the inlet water temperature of electric machine controller 1, is gathered simultaneously
Busbar voltage and electric current.Instruction device 11 is obtained, for obtaining rotating speed and the moment information instruction that electric machine controller 1 is sent, simultaneously
Receive the instruction of work enable and water flow velocity regulating command that entire car controller 8 is sent.Table look-up device 12, passes through controller local area network
Order wire 9 receives the information frame from electric machine controller 1, parses rotating speed and the torque of motor 2, and current electricity is obtained by tabling look-up
The efficiency of machine controller.Efficiency under the wherein whole different rotating speeds of electric machine controller 1 and torque passes through power analysis in laboratory
Instrument test is obtained.Wherein calculator 13, is obtained according to the efficiency value of electric machine controller 1 and data acquisition unit of the acquisition of table look-up device 12
Water inlet water temperature and busbar voltage, current value, calculate the delivery port water temperature of a cycle.Given water flow velocity instruction device 14, passes through
The delivery port water temperature that calculator 13 is calculated, gives water flow velocity.
In the utility model vehicle radiating control communication system, entire car controller is according to environment temperature and motor actual motion
Operating mode, command instruction is sent by controller local area network to radiating control module.Command information include work enable instruction and
Water flow velocity regulating command.
When motor operation is more than rated power, entire car controller works radiating control module and enabled, and motor operation exists
It is stopped below rated power, and current keep base speed operation.Simultaneously in order to avoid motor causes under complicated operating condition
Radiating control device continually enable switch management, setting water flow velocity stops work with 10 seconds radiating control devices of the fast continuous service of base
Make.
Water flow velocity regulating command, entire car controller is according to the environment temperature of monitoring, the water flow velocity given to radiating control device
Weakened in proportion and compensated.
The efficiency eta that calculator is obtained according to table look-up device, calculates electric machine controller total losses Δ P=P (1- η %), at one
The heat Δ P1=Δ P- Δ P2, Δ P2 that take away are the loss that heat scatters and disappears by current water-carrying capacity in period Δ t, and ratio phase is lost
To small, rule of thumb obtain.By current motor controller water-carrying capacity Q and water inlet water temperature, calculated according to specific heat capacity formula
Go out a sampling period delivery port water temperature.
The delivery port water temperature T calculated1Given water flow velocity device is sent to, water flow velocity instruction will be determined according to multilevel iudge whether
Need to provide, when calculating water temperature more than 65 DEG C, water flow velocity instruction will provide control water pump, conversely, the given instruction quilt of water flow velocity
Forbid.
Given water flow velocity instruction adjusts water flow velocity by way of comparing, and gives water flow velocity and is less than current water flow velocity, protects
Hold current flow operation；Given flow velocity will be adjusted to more than current flow, wherein when given water flow velocity has exceeded vehicle permission
Default maximum flow of water speed, then keep running with maximum flow of water speed.
The water flow velocity instruction given in next sampling period by water temperature calculated value dissipates still above maximum flow of water speed
Heat controller uploads fall power instruction information by controller local area network order wire, and entire car controller is by controlled motor controller
Reduce torque.
Compared with prior art 1, the utility model has real-time for whole motor driven systems, has adapted to vehicle any
Water-cooling heat radiating system control under complex working condition, by way of actual speed and torque look into efficiency, accurate predicted water temperature is right
Water flow velocity is controlled.There is real-time for whole motor driven systems, the water-cooled under any complex working condition of vehicle has been adapted to
Cooling system is controlled, and by way of actual speed and torque look into efficiency, accurate predicted water temperature is controlled to water flow velocity.
Compared with prior art 2, the utility model is readily adapted to accommodate the application of vehicle.
Specific embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, those skilled in the art can make a variety of changes or change within the scope of the claims,
This has no effect on substance of the present utility model.In the case where not conflicting, the spy in embodiments herein and embodiment
Levying arbitrarily to be mutually combined.
Claims (3)
1. a kind of electric vehicle motor controller water-cooling heat radiating device, it is characterised in that including：
Water pump and water tank, the water pump and the water tank pass through aquaporin and electric machine controller and motor formation cooling circuit；
Temperature sensor, the temperature sensor is arranged in the aquaporin, and the temperature sensor is arranged on the motor
The water inlet of controller；
Radiating control device, the radiating control device is connected with the temperature sensor and the water pump respectively；
Entire car controller, the entire car controller is connected by order wire with the electric machine controller and the radiating control device.
2. electric vehicle motor controller water-cooling heat radiating device according to claim 1, it is characterised in that the radiating control
Device includes data acquisition unit, acquisition instruction device, table look-up device, calculator and the given water flow velocity instruction device being connected with each other；Wherein
The data acquisition unit is used for the water temperature for obtaining the electric machine controller entrance, while gathering the voltage and current of bus；
The instruction device that obtains is used to obtain rotating speed and the moment information instruction that the electric machine controller is sent, while receiving described
The work that entire car controller is sent enables instruction and water flow velocity regulating command；
The table look-up device receives the information frame from the electric machine controller by the order wire, parses turning for the motor
Speed and torque, obtain the current efficiency of the electric machine controller；
What the electric machine controller efficiency value and the data acquisition unit that the calculator is obtained according to the table look-up device were obtained
Water inlet water temperature and busbar voltage, current value, calculate the delivery port water temperature of a cycle；
It is described to determine the delivery port water temperature that water flow velocity instruction device is calculated by the calculator, give water flow velocity.
3. electric vehicle motor controller water-cooling heat radiating device according to claim 1 or 2, it is characterised in that the communication
Line is controller local area network's order wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621466943.4U CN206323727U (en) | 2016-12-29 | 2016-12-29 | Electric vehicle motor controller water-cooling heat radiating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621466943.4U CN206323727U (en) | 2016-12-29 | 2016-12-29 | Electric vehicle motor controller water-cooling heat radiating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206323727U true CN206323727U (en) | 2017-07-11 |
Family
ID=59261691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621466943.4U Expired - Fee Related CN206323727U (en) | 2016-12-29 | 2016-12-29 | Electric vehicle motor controller water-cooling heat radiating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206323727U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109591602A (en) * | 2018-12-24 | 2019-04-09 | 浙江合众新能源汽车有限公司 | A kind of driving motor rotation-clogging protection system and method for electric car |
| CN111677723A (en) * | 2020-05-08 | 2020-09-18 | 中国北方车辆研究所 | Heat dissipation loop suitable for high-power movable closed hydraulic system |
| CN115023095A (en) * | 2021-03-03 | 2022-09-06 | 观致汽车有限公司 | Motor controller cooling method, storage medium, vehicle, and cooling device |
-
2016
- 2016-12-29 CN CN201621466943.4U patent/CN206323727U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109591602A (en) * | 2018-12-24 | 2019-04-09 | 浙江合众新能源汽车有限公司 | A kind of driving motor rotation-clogging protection system and method for electric car |
| CN111677723A (en) * | 2020-05-08 | 2020-09-18 | 中国北方车辆研究所 | Heat dissipation loop suitable for high-power movable closed hydraulic system |
| CN115023095A (en) * | 2021-03-03 | 2022-09-06 | 观致汽车有限公司 | Motor controller cooling method, storage medium, vehicle, and cooling device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170711 Termination date: 20211229 |