CN109774458A - A kind of motor and controller cooling system and method - Google Patents
A kind of motor and controller cooling system and method Download PDFInfo
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- CN109774458A CN109774458A CN201711128233.XA CN201711128233A CN109774458A CN 109774458 A CN109774458 A CN 109774458A CN 201711128233 A CN201711128233 A CN 201711128233A CN 109774458 A CN109774458 A CN 109774458A
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Abstract
The present invention relates to a kind of motor and controller cooling system and methods, belong to the cooling technology field of automobile driving system.It includes cooling packet assembly；Both ends are separately connected the high-order interface of the cooling packet assembly and the circulation loop of low level interface, and the circulation loop includes the water pump being arranged in series and the first branch and second branch parallel with one another；And the expansion tank of connection cooling the packet assembly and the circulation loop；Wherein, the first branch includes the integrated controller and generator being arranged in series, and integrated controller is located at before generator；The second branch includes driving motor.The present invention uses a set of cooling system.Controller, the flow of generator and radiating requirements be not only able to satisfy simultaneously, but also have been able to satisfy the flow and radiating requirements of driving motor.
Description
Technical field
The present invention relates to a kind of motor and controller cooling system and methods, belong to the cooling technology neck of automobile driving system
Domain.
Background technique
There are mainly two types of the traditional types of cooling of current automobile power drive system.The first is generator, driving motor string
Connection arrangement, engine controller, the cooling system of drive motor controller arranged in series composition independently.But this mode
Have the shortcomings that occupied space is big, and each cooling system all employs a water pump, a radiator, one or more electricity
Sub- fan carries out taking out dispersion heat, and production cost is higher.Second is controller, generator, driving motor three's arranged in series group
At a set of cooling system, carried out taking out dispersion heat with a water pump, a radiator, one or more electronic fan.But it should
The shortcomings that kind cooling system, is that controller, drive motor controller internal resistance are larger, and a water pump is provided to this kind of cooling system
Recirculated water, flow is inadequate, the radiating requirements being unable to satisfy under controller, generator, driving motor high temperature limit operating condition.
In addition, the electronic fan cover of automobile electric drive cooling system is installed on a heat sink, electronic fan cover and radiator
Gap has a major impact radiator cooling effect, electronic fan service life between core.Existing electronic fan cover and dissipate
Hot device core gap is often larger, so on the one hand, causes hot air reflux or air leakage phenomena, reduces the cooling effect of radiator
Fruit.On the other hand, when the installation site of radiator is lower, the sand and dust or sundries of ground are easily inhaled electronic fan cover,
It is adsorbed on electronic fan blade or enters inside electronic fan motor, cause electronic fan bearing premature wear, lead to electronics
Fan blade copsided operation, radiator is caused to impact it is excessive, easily cause radiator crack leak.If electronic fan cover
It is too small with radiator core body space, the problem of due to fabrication error, and it will appear electronic fan cover often and damage radiator core body by pressure
The phenomenon that, lead to radiator leak.
Current automobile electric drive cooling system, is arranged temperature sensor, for sensing generally at radiator intake-outlet
Water temperature at radiator intake-outlet, and then the opening and closing for controlling electronic fan to radiate to electric drive part of cooling system
's.Its shortcoming is that water temperature can be than generator, the temperature of driving motor stator coil and engine controller, driving motor control
The temperature of device IGBT processed has the property delayed, and has a temperature difference, this temperature difference can change with vehicle driving-cycle and be become
Change, it is more difficult in control algolithm to hold precisely.Therefore, during vehicle actual travel, it may appear that water temperature is not high, and generates electricity
There is high temperature limit function situation, shadow already in machine, driving motor stator coil and engine controller, drive motor controller IGBT
Ring normal vehicle operation.
Summary of the invention
In view of the above-mentioned problems, using a set of cooling system the invention proposes a kind of motor and controller cooling system.Together
When be not only able to satisfy integrated controller, the flow of generator and radiating requirements, but also be able to satisfy driving motor flow and heat dissipation need
It asks.
According to an aspect of the present invention, it proposes a kind of motors and controller cooling system, comprising:
Cooling packet assembly；
Both ends are separately connected the high-order interface of the cooling packet assembly and the circulation loop of low level interface, the circulation loop
Including the water pump being arranged in series and the first branch and second branch parallel with one another；And
Connect the expansion tank of cooling the packet assembly and the circulation loop；
Wherein, the first branch includes the integrated controller and generator being arranged in series, and integrated controller position
Before generator；The second branch includes driving motor.
A further improvement of the present invention is that: the cooling packet assembly includes radiator, is mounted on the radiator
Solar or lunar halo is protected, and the electronic fan being arranged in the shield solar or lunar halo；Wherein, the radiator and the shield solar or lunar halo pass through sealing group
Part is connected.
A further improvement of the present invention is that: the seal assembly includes being coated on the cutting ferrule at the shield solar or lunar halo edge and setting
Set the elastic boss on the cutting ferrule；Wherein, the radiator squeezes the elastic boss, and is in the elastic boss
Compressive state.
A further improvement of the present invention is that: the cutting ferrule is equipped with the card slot that section is U-shaped, is equipped in the card slot several
For blocking setting one's teeth on edge for the shield solar or lunar halo edge.
A further improvement of the present invention is that: several connection sheets, each institute is respectively set in the upper and lower two edges of the shield solar or lunar halo
It states connection sheet and is equipped with U-shaped hole；The shield solar or lunar halo two sides are equipped with bending edges, the depth of the width of the bending edges and the card slot
It is identical.
A further improvement of the present invention is that: the second branch is set there are two butterfly handle ball valve, and the butterfly handle ball valve is distinguished
The inlet and outlet of the integrated controller are set.
A further improvement of the present invention is that: the first exhaust for connecting the expansion tank is equipped at the top of the radiator
Valve, the water outlet of the driving motor of the second branch are equipped with the second row air valve for connecting the expansion tank.
A further improvement of the present invention is that: the integrated controller is integrated with the power generation for controlling generator operation
Machine controller, for controlling the drive motor controller of driving motor motor operation, and the control water pump and cooling packet it is total
At entire car controller.
A further improvement of the present invention is that: generator-temperature detection sensor is nearby arranged in the water outlet of the generator, uses
In the temperature of sensing electricity generator stator coil；Driving motor temperature sensor is nearby arranged in the water outlet of the driving motor, uses
In the temperature of sensing driving motor stator coil；Engine controller temperature is nearby arranged in the water outlet of the engine controller
Sensor, for sensing the temperature of IGBT；Drive motor controller temperature is nearby arranged in the water outlet of the drive motor controller
Sensor is spent, for sensing the temperature of IGBT；
Wherein, driving motor temperature sensor and drive motor controller temperature sensor are separately connected the driving motor
Controller；Generator-temperature detection sensor and engine controller temperature sensor are separately connected the engine controller.
According to another aspect of the present invention, a kind of motor and controller cooling control method are proposed, comprising:
Step 1: installation is according to above-mentioned motor and controller cooling system on automobile；
Step 2: several water pumps are set and open preset temperature, respectively correspond driving motor temperature, drive motor controller temperature
Degree, generator-temperature detection and engine controller temperature are opened when any one actual temperature is higher than corresponding water pump
When preset temperature, water pump is opened；
It sets several water pumps and closes preset temperature, respectively correspond driving motor temperature, drive motor controller temperature, power generation
Machine temperature and engine controller temperature are closed when all actual temperatures close preset temperature lower than corresponding water pump
Close water pump；
Set several electronic fans and open preset temperatures, respectively correspond driving motor temperature, drive motor controller temperature,
Generator-temperature detection and engine controller temperature, when wherein any one actual temperature is higher than corresponding electronic fan unlatching
When preset temperature, electronic fan is opened；
Set several electronic fans and close preset temperatures, respectively correspond driving motor temperature, drive motor controller temperature,
Generator-temperature detection and engine controller temperature, when all actual temperatures close default temperature lower than corresponding electronic fan
When spending, electronic fan is closed.
Compared with the prior art, the advantages of the present invention are as follows:
In motor of the present invention and controller cooling system, integrated controller, generator are connected into first
Branch, and since the water inlet water temperature that integrated controller requires is lower than generator water inlet water temperature, overall-in-one control schema
Device must be positioned at before generator.It is in parallel with the second branch of driving motor is equipped with again, thus by electromotor cooling system and control
Device cooling system is merged into a cooling system.The sum of calorific value of both one side integrated controller, generator and driving
The calorific value of motor is suitable.Another aspect integrated controller, power generation composition branch minimum sectional area and driving motor
Branch minimum sectional area is suitable.Also, what the present embodiment can allow whole system by the way of in parallel enters heat radiator assembly
Maximum flow, to improve the heat dissipation effect of radiator.Therefore, integrated controller, generator are connected into a branch
Road, then it is in parallel with driving motor, such pipeline arrangement system internal resistance is small, improves the total flow of cooling system, makes system
Flow had not only been able to satisfy integrated controller, the flow of generator and radiating requirements, but also was able to satisfy flow and the heat dissipation of driving motor
Demand.In this way, being radiated with the cooling packet assembly of a larger heat dissipation area, pipeline moves towards to simplify, and arrangement space requirement is smaller,
Production cost is not only saved, moreover it is possible to so that integrated controller, generator, driving motor are in a kind of good heat dissipation shape
State.
In motor of the present invention and controller cooling system, protects and be equipped with seal member between solar or lunar halo and radiator.
It is squeezed and deformed in seal assembly by the up-and-down boundary of elastic boss and radiator, right boundary, to seal shield solar or lunar halo and dissipate
Gap between hot device.If over time, radiator and shield solar or lunar halo inner space accumulate certain dust or sundries, pass through
Elastic boss is squeezed to the limit, so that it may be easy to clean out dust or sundries.
In motor of the present invention and controller cooling system, butterfly is respectively increased in integrated controller intake-outlet
Handle ball valve.In this way, when controller damage needs replacing, it may not be necessary to be allowed to dry the anti-icing fluid of cooling system, it is only necessary to by butterfly handle
Ball valve is closed, so that it may be removed controller and be replaced.To improve replacement efficiency, reduce anti-icing fluid loss.
Detailed description of the invention
Fig. 1 is the motor of an embodiment according to the present invention and the structural schematic diagram of controller cooling system, display
Pipeline connecting mode；
Fig. 2 is the main view of the cooling packet assembly of an embodiment according to the present invention；
Fig. 3 is the top view of the cooling packet assembly of an embodiment according to the present invention；
Fig. 4 is the left view of the cooling packet assembly of an embodiment according to the present invention；
Fig. 5 is the partial enlarged view of region A in Fig. 3, it is shown that the connection structure top view of seal assembly；
Fig. 6 is the partial enlarged view of region B in Fig. 4, it is shown that the connection structure side view of seal assembly；
Fig. 7 is the schematic diagram of the ferrule structure of an embodiment according to the present invention
Fig. 8 is the schematic diagram of the shield solar or lunar halo structure of an embodiment according to the present invention；
Fig. 9 is the motor of an embodiment according to the present invention and the electric control principle schematic diagram of controller cooling system.
In the accompanying drawings, identical component uses identical appended drawing reference.The attached drawing is not drawn according to the actual ratio.
The meaning of each appended drawing reference is as follows in the accompanying drawings: 1, cooling packet assembly, 2, circulation loop, 3, water pump, and 4, first
Road, 5, second branch, 6, expansion tank, 11, radiator, 12, shield solar or lunar halo, 13, electronic fan, 14, seal assembly, 15, cutting ferrule,
16, elastic boss, 17, card slot, 18, set one's teeth on edge, 19, connection sheet, 20, bending edges, 31, driving motor, 32, integrated controller,
33, generator, 34, butterfly handle ball valve, 35, threeway.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 schematically shows motor according to one embodiment of present invention and controller cooling system.According to this hair
Bright motor and controller cooling system, uses a set of cooling system.It had both been able to satisfy the stream of integrated controller, generator simultaneously
Amount and radiating requirements, and it is able to satisfy the flow and radiating requirements of driving motor.
As shown in Figure 1, motor described in the present embodiment and controller cooling system, including cooling packet assembly 1.The cooling
Packet assembly 1 being capable of cooling down.The system also includes circulation loop 2,2 both ends of circulation loop to be separately connected for the present embodiment
The high-order interface and low level interface of the cooling packet assembly 1.The circulation loop 2 includes the water pump 3 being arranged in series, and mutually
The first branch 4 and second branch 5 being arranged in parallel.Wherein, integrated controller 32 and generator 33 are set in the first branch 4,
And since the water inlet water temperature that integrated controller requires is lower than generator water inlet water temperature, integrated controller is necessary
Before generator, i.e. the upstream of flow of cooling water.Driving motor 31 is set in the second branch 5.In addition, the present embodiment
Described device further includes expansion tank 6, and the expansion tank 6 connects the cooling packet assembly 1 and circulation loop 2.
In the motor according to the present embodiment and controller cooling system, integrated controller 32, generator 33 are gone here and there
It is unified into the first branch 4.It is in parallel with the second branch 5 of driving motor 31 is equipped with again, so that electromotor cooling system and controller is cold
But system is merged into a cooling system.The sum of calorific value of both one side integrated controller 32, generator and driving electricity
The calorific value of machine 31 is suitable.The minimum sectional area for the branch that another aspect and integrated controller 32, power generation form and driving are electric
The minimum sectional area of machine 31 is suitable.Also, what the present embodiment can allow whole system by the way of in parallel enters radiator 11
The maximum flow of assembly, to improve the heat dissipation effect of radiator.Therefore, integrated controller 32, generator are connected into
One branch, then it is in parallel with driving motor 31, such pipeline arrangement system internal resistance is small, the total flow of cooling system is improved,
So that the flow of system had not only been able to satisfy integrated controller 32, the flow of generator and radiating requirements, but also is able to satisfy driving motor 31
Flow and radiating requirements.In this way, being radiated with the cooling packet assembly 1 of a larger heat dissipation area, pipeline moves towards to simplify, arrangement
Space requirement is smaller, has not only saved production cost, moreover it is possible to so that integrated controller 32, generator 33, driving motor 31 are equal
In a kind of good radiating state.
In one embodiment, as shown in Figure 2, Figure 3 and Figure 4, the cooling packet assembly 1 includes radiator 11.It is mounted on
Shield solar or lunar halo 12 on the radiator 11.And the electronic fan 13 in the shield solar or lunar halo 12 is set.Wherein, the radiator
11 are connected with the shield solar or lunar halo 12 by seal member.
In use system according to the present embodiment, gap is to radiator 11 between shield solar or lunar halo 12 and 11 core of radiator
Cooling effect, 13 service life of electronic fan have a major impact.If protecting solar or lunar halo 12 and 11 core gap of radiator being excessive, a side
Hot air reflux or air leakage phenomena are caused in face, reduce the cooling effect of radiator 11；On the other hand, when the installation of radiator 11
When position is lower, the sand and dust or sundries of ground are easily inhaled electronic fan cover 13, be adsorbed on 13 blade of electronic fan or
Into inside 13 motor of electronic fan, 13 bearing premature wear of electronic fan is caused, 13 blade imbalance of electronic fan is caused to be transported
It is dynamic, radiator 11 is caused to impact excessive, radiator 11 is easily caused to crack leak.If protecting solar or lunar halo 12 and 11 core of radiator
Gap is too small, the problem of due to fabrication error, and will appear the phenomenon that electronic fan cover 13 damages 11 core of radiator by pressure often, leads
Cause 11 leak of radiator.
In one embodiment, as shown in Figure 5, Figure 6, the seal member includes cutting ferrule 15.The cutting ferrule 15 is coated on
The edge of seal assembly 14.In the present embodiment, the cutting ferrule 15 is elongate in shape, is equipped with card slot 17 (such as in the cutting ferrule 15
Shown in Fig. 7).Wherein, the section of the card slot 17 is U-shaped.Elastic boss 16 on the cutting ferrule 15 is set.Wherein, institute
It states radiator 11 and squeezes the elastic boss 16, and the elastic boss 16 is made to be in compressive state.
In use system according to the present embodiment, pass through the upper of elastic boss 16 and radiator 11 in seal assembly 14
Lower boundary, right boundary are squeezed and deformed, to seal the gap between shield solar or lunar halo 12 and radiator 11.If over time, dissipated
When hot device 11 accumulates certain dust or sundries with shield 12 inner space of solar or lunar halo, the limit is arrived by squeezing elastic boss 16, so that it may
To be easy to clean out dust or sundries.
In a preferred embodiment, in the cutting ferrule 15 equipped with it is several block shield 12 edge of solar or lunar halo set one's teeth on edge 18.
It is described set one's teeth on edge 18 can consolidate and block 12 edge of shield solar or lunar halo, prevent from falling off, to make cutting ferrule 15 and the connection of shield solar or lunar halo 12 more
Add firm.
In one embodiment, as shown in figure 8, several connection sheets 19 are respectively set in about 12 two edges of shield solar or lunar halo,
The connection sheet 19 is equipped with U-shaped hole.12 two sides of shield solar or lunar halo are equipped with bending edges 20, the length of the bending edges 20 and the card
15 length are covered to match.In a preferred embodiment, the shield solar or lunar halo 12 and 11 core up-and-down boundary gap of radiator are a
(a is about 10mm), shield solar or lunar halo 12 and 11 core right boundary gap of radiator are b (b is about 10mm), the diameter of elastic boss 16
For c (c is about 20-25mm), 1/3c≤a≤1/2c, 1/3c≤b≤1/2c are required in the present embodiment.In such manner, it is possible to guarantee to protect wind
Clearance seal effect between circle 12 and radiator 11 is more preferable, and is unlikely to allow the pressure of the elastic extruding of boss 16 is excessive to cause to damage
Evil.
In one embodiment, the second branch 5 is set there are two butterfly handle ball valve 34, and the butterfly handle ball valve 34 is respectively set
In the inlet and outlet of the integrated controller 32.Controller is easily worn part, in maintenance process after sale, is easy to make
At the loss of anti-icing fluid, and the price of coolant liquid is more expensive, certainly will increase after-sales service cost.Therefore, it is controlled in integration
32 intake-outlet of device processed respectively increases butterfly handle ball valve 34, when the damage of integrated controller 32 needs replacing, it may not be necessary to be allowed to dry
The anti-icing fluid of cooling system, it is only necessary to close butterfly handle ball valve 34, so that it may controller be removed and replaced, replacement effect is improved
Rate reduces anti-icing fluid loss, has saved after service cost.
In one embodiment, the first row air valve equipped with connection expansion tank 6 at the top of the radiator 11, described second
The water outlet of the driving motor 31 of branch 5 is equipped with the second row air valve of connection expansion tank 6.It is stagnant in coolant liquid circulation loop 2
The gas stayed is discharged in expansion tank 6 by first row air valve and second row air valve.
In one embodiment, as shown in figure 9, the integrated controller integrated generator controller, driving motor control
Device and entire car controller processed.Wherein, the engine controller is used to control the operation of generator, the drive motor controller
For controlling the operation of driving motor, the entire car controller is used to control the operation of water pump and cooling packet assembly.In this implementation
In example, the engine controller is connected with generator-temperature detection sensor and engine controller temperature sensor, is respectively used to
Sense the temperature of electricity generator stator coil and the temperature of engine controller IGBT, the generator that engine controller will sense
The temperature of stator coil and the temperature hard signal of engine controller IGBT are transformed into CAN signal；The driving motor control
Device is connected with driving motor temperature sensor and drive motor controller temperature sensor, is respectively used to sensing driving motor stator
The temperature of coil and the temperature of drive motor controller IGBT, the driving motor stator coil that drive motor controller will sense
Temperature and the temperature hard signal of drive motor controller IGBT be transformed into CAN signal.
In use system according to the present embodiment, generator-temperature detection sensor, engine controller temperature sensor
The temperature of acquisition issues entire car controller engine controller in the form of CAN signal.Driving motor temperature sensor drives
The temperature of dynamic electric machine controller temperature sensor acquisition issues full-vehicle control drive motor controller in the form of CAN signal
Device.Entire car controller exports control instruction, controls the start and stop of water pump and the start and stop of electronic fan according to the received CAN signal of institute.
In a preferred embodiment, the generator-temperature detection sensor is arranged near the water outlet of generator, institute
It states engine controller temperature sensor to be arranged near the water outlet of the engine controller, 31 temperature of driving motor
Sensor is arranged near the water outlet of driving motor 31, and the 31 controller temperature sensor of driving motor is arranged in the drive
Near the water outlet of dynamic 31 controller of motor.
The way of traditional temperature collection is to contact temperature sensor with the water of cooling system, acquisition be water temperature
Degree, rather than 33 stator coil temperature of generator, 31 stator coil temperature of driving motor, the temperature of controller IGBT.And water
Temperature and the temperature of generator, driving motor 31, controller have a temperature difference, and water temperature has the property delayed, therefore pole
It is possible that water temperature is not departing from temperature upper limit, and the temperature of the components such as generator 33, driving motor 31, controller 32 has just surpassed
Excess temperature upper limit value certainly will will lead to vehicle limit function, influence normal vehicle operation.Energy by the way of the system described in the present embodiment
Enough accurate acquisition component temperature.
According to another aspect of the present invention, a kind of motor and controller cooling means are provided, including,
Step 1: installation is according to above-mentioned motor and controller cooling system on automobile.
Step 2: several water pumps are set and open preset temperature, respectively correspond driving motor temperature, drive motor controller temperature
Degree, generator-temperature detection and engine controller temperature are opened when any one actual temperature is higher than corresponding water pump
When preset temperature, water pump is opened.
It sets several water pumps and closes preset temperature, respectively correspond driving motor temperature, drive motor controller temperature, power generation
Machine temperature and engine controller temperature are closed when all actual temperatures open preset temperature lower than corresponding water pump
Close water pump.
Set several electronic fans and open preset temperatures, respectively correspond driving motor temperature, drive motor controller temperature,
Generator-temperature detection and engine controller temperature, when wherein any one actual temperature is higher than corresponding electronic fan unlatching
When preset temperature, electronic fan is opened.
Set several electronic fans and close preset temperatures, respectively correspond driving motor temperature, drive motor controller temperature,
Generator-temperature detection and engine controller temperature, when all actual temperatures open default temperature lower than corresponding electronic fan
When spending, electronic fan is opened.
In a preferred embodiment, water pump start-up and shut-down control mode is as follows:
It sets the corresponding water pump of drive motor controller temperature and opens preset temperature as 45 degree, driving motor temperature is corresponding
It is 60 degree that water pump, which opens preset temperature, and it is 45 degree that the corresponding water pump of engine controller temperature, which opens preset temperature, generator temperature
Spending corresponding water pump to open preset temperature is 60 degree.When above-mentioned drive motor controller, driving motor, generator and generator control
When any one actual temperature is higher than its corresponding water pump unlatching preset temperature in device processed, water pump is opened.
It sets the corresponding water pump of drive motor controller temperature and closes preset temperature as 40 degree, driving motor temperature is corresponding
It is 55 degree that water pump, which closes preset temperature, and it is 40 degree that the corresponding water pump of engine controller temperature, which closes preset temperature, generator temperature
Spending corresponding water pump to close preset temperature is 55 degree.When above-mentioned driving motor, drive motor controller, generator and generator control
When whole actual temperatures is below its corresponding water pump closing preset temperature in device processed, switch off the pump.
In a preferred embodiment, electronic fan start-up and shut-down control mode is as follows:
It sets the corresponding electronic fan of drive motor controller temperature and opens preset temperature as 58 degree, driving motor temperature pair
It is 95 degree that the electronic fan answered, which opens preset temperature, and it is 58 that the corresponding electronic fan of engine controller temperature, which opens preset temperature,
Degree, it is 95 degree that the corresponding electronic fan of generator-temperature detection, which opens preset temperature,.When above-mentioned drive motor controller, driving motor,
When any one actual temperature is higher than its corresponding electronic fan unlatching preset temperature in generator and engine controller, open
Open electronic fan.
It sets the corresponding electronic fan of drive motor controller temperature and closes preset temperature as 48 degree, driving motor temperature pair
It is 82 degree that the electronic fan answered, which closes preset temperature, and it is 48 that the corresponding electronic fan of engine controller temperature, which closes preset temperature,
Degree, it is 82 degree that the corresponding electronic fan of generator-temperature detection, which closes preset temperature,.When above-mentioned drive motor controller, driving motor,
When whole actual temperatures is below its corresponding electronic fan closing preset temperature in generator and engine controller, close
Electronic fan.
In the present embodiment, during 50 degree -58 of controller temperature degree, controller temperature is every to rise 1 degree, and duty ratio improves
7.5%, entire car controller is realized in the form of duty ratio to electronic fan PWM stepless time adjustment；Driving motor and generator-temperature detection 85
During -95 degree of degree, temperature is every to rise 1 degree, and duty ratio improves 6%, and entire car controller is realized in the form of duty ratio to electronic fan
PWM stepless time adjustment；48 degree -50 of controller temperature degree, during 82 degree -85 of driving motor temperature is spent, electronic fan minimum speed fortune
Turn (duty ratio given 40%).Four temperature values are realized electronic fan revolving speed in such a way that duty ratio is given and are controlled, with highest
Subject to duty ratio.
In order to water pump or electronic fan damage or cooling system leak and lacking the fault conditions such as coolant liquid leads to electricity
In the case that machine and controller cooling system heat dissipation effect reduce, it still is able to preferably protect driving motor, driving motor control
Device processed, generator, engine controller, in a preferred embodiment, driving motor, drive motor controller, generator, hair
Electric machine controller control mode is as follows:
Set drive motor controller, engine controller IGBT temperature it is corresponding start limit function preset temperature as 70 degree,
As controller IGBT temperature increases, controller itself limit function intensity also increases, and limiting dead preset temperature completely is 75 degree；Driving electricity
Machine, electricity generator stator coil temperature are corresponding to be started to limit function preset temperature to be 130 degree, is driven as controller IGBT temperature increases
Electric machine controller also increases generator limit function intensity driving motor limit function, engine controller, limits dead preset temperature completely
It is 135 degree.
Although by reference to preferred embodiment, invention has been described, the case where not departing from the scope of the present invention
Under, various improvement can be carried out to it and can replace component therein with equivalent.Especially, as long as there is no structures to rush
Prominent, items technical characteristic mentioned in the various embodiments can be combined in any way.The invention is not limited to texts
Disclosed in specific embodiment, but include all technical solutions falling within the scope of the claims.
Claims (10)
1. a kind of motor and controller cooling system, comprising:
Cooling packet assembly (1)；
Both ends are separately connected the high-order interface of the cooling packet assembly (1) and the circulation loop (2) of low level interface, described to be recycled back to
Road (2) includes the water pump (3) being arranged in series and the first branch parallel with one another (4) and second branch (5)；And
Connect the expansion tank (6) of the cooling packet assembly (1) and the circulation loop (2)；
Wherein, the first branch (4) includes the integrated controller (32) and generator (33) being arranged in series, and integration control
Device (32) processed is located at before generator (33)；The second branch (5) includes driving motor (31).
2. motor according to claim 1 and controller cooling system, which is characterized in that cooling packet assembly (1) packet
Radiator (11) are included, the shield solar or lunar halo (12) being mounted on the radiator (11), and be arranged in the shield solar or lunar halo (12)
Electronic fan (13)；Wherein, the radiator (11) is connected with the shield solar or lunar halo (12) by seal assembly (14).
3. motor according to claim 2 and controller cooling system, which is characterized in that the seal assembly includes cladding
In the cutting ferrule (15) for protecting solar or lunar halo (12) edge and the elastic boss (16) being arranged on the cutting ferrule (15)；Wherein, described
Radiator (11) squeezes the elastic boss (16), and the elastic boss (16) is made to be in compressive state.
4. motor according to claim 3 and controller cooling system, which is characterized in that the cutting ferrule (15) is equipped with section
For the card slot (17) of U-shaped, (18) are set one's teeth on edge for block described shield solar or lunar halo (12) edge equipped with several in the card slot (17).
5. motor according to claim 4 and controller cooling system, which is characterized in that it is described shield solar or lunar halo (12) it is upper,
Lower two edges are respectively set several connection sheets (19), and each connection sheet (19) is equipped with U-shaped hole；Shield solar or lunar halo (12) two sides
Equipped with bending edges (20), the width of the bending edges (20) is identical as the depth of the card slot (17).
6. motor according to any one of claim 1 to 5 and controller cooling system, which is characterized in that described second
Branch (5) is set there are two butterfly handle ball valve (34), and the butterfly handle ball valve (34) is separately positioned on the integrated controller (32)
Inlet and outlet.
7. motor according to any one of claim 1 to 5 and controller cooling system, which is characterized in that the heat dissipation
The first row air valve for connecting the expansion tank (6) is equipped at the top of device (11), the driving motor (31) of the second branch (5)
Water outlet is equipped with the second row air valve for connecting the expansion tank (6).
8. motor according to any one of claim 1 to 5 and controller cooling system, which is characterized in that the one
Change controller (32) and be integrated with the engine controller run for controlling generator, for controlling driving motor (31) motor fortune
Capable drive motor controller, and the entire car controller of the control water pump (3) and cooling packet assembly (1).
9. motor according to claim 8 and controller cooling system, which is characterized in that the water outlet of the generator is attached
Nearly setting generator-temperature detection sensor, for sensing the temperature of electricity generator stator coil；Near the water outlet of the driving motor
Driving motor temperature sensor is set, for sensing the temperature of driving motor stator coil；The water outlet of the engine controller
Engine controller temperature sensor is set near mouthful, for sensing the temperature of IGBT；The water outlet of the drive motor controller
Drive motor controller temperature sensor is set near mouthful, for sensing the temperature of IGBT；
Wherein, driving motor temperature sensor and drive motor controller temperature sensor are separately connected the driving motor control
Device；Generator-temperature detection sensor and engine controller temperature sensor are separately connected the engine controller.
10. motor and controller cooling control method, which is characterized in that including,
Step 1: motor and controller cooling system according to any one of claim 1 to 9 is installed on automobile；
Step 2: setting several water pumps and open preset temperatures, respectively correspond driving motor temperature, drive motor controller temperature,
Generator-temperature detection and engine controller temperature are preset when any one actual temperature is higher than corresponding water pump unlatching
When temperature, water pump is opened；
It sets several water pumps and closes preset temperature, respectively correspond driving motor temperature, drive motor controller temperature, generator temperature
Degree and engine controller temperature close water when all actual temperatures close preset temperature lower than corresponding water pump
Pump；
It sets several electronic fans and opens preset temperature, respectively correspond driving motor temperature, drive motor controller temperature, power generation
Machine temperature and engine controller temperature, when wherein any one actual temperature is default higher than corresponding electronic fan unlatching
When temperature, electronic fan is opened；
It sets several electronic fans and closes preset temperature, respectively correspond driving motor temperature, drive motor controller temperature, power generation
Machine temperature and engine controller temperature, when all actual temperatures close preset temperature lower than corresponding electronic fan
When, close electronic fan.
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| CN201711128233.XA CN109774458B (en) | 2017-11-15 | 2017-11-15 | Motor and controller cooling system and method |
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| CN201711128233.XA CN109774458B (en) | 2017-11-15 | 2017-11-15 | Motor and controller cooling system and method |
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| CN109774458A true CN109774458A (en) | 2019-05-21 |
| CN109774458B CN109774458B (en) | 2022-04-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110949647A (en) * | 2019-10-30 | 2020-04-03 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Cooling water path structure of marine electric propulsion device |
| CN112373294A (en) * | 2020-11-03 | 2021-02-19 | 苏州同捷汽车工程技术股份有限公司 | Cooling system for driving motor of electric automobile |
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| JP2002004860A (en) * | 2000-06-27 | 2002-01-09 | Nissan Motor Co Ltd | Cooling device for hybrid electric vehicle |
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| CN103625266A (en) * | 2012-08-28 | 2014-03-12 | 上海汽车集团股份有限公司 | Electric vehicle power unit cooling system |
| CN204055318U (en) * | 2014-07-02 | 2014-12-31 | 陕西欧舒特汽车股份有限公司 | Extended-range electric vehicle motor three circuit cools system |
| CN205951698U (en) * | 2016-05-24 | 2017-02-15 | 湖南中车时代电动汽车股份有限公司 | Cooling device |
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| JP2002004860A (en) * | 2000-06-27 | 2002-01-09 | Nissan Motor Co Ltd | Cooling device for hybrid electric vehicle |
| CN103625266A (en) * | 2012-08-28 | 2014-03-12 | 上海汽车集团股份有限公司 | Electric vehicle power unit cooling system |
| CN103522892A (en) * | 2013-10-16 | 2014-01-22 | 湖南南车时代电动汽车股份有限公司 | Vehicle heat dissipation system and heat dissipation control method |
| CN204055318U (en) * | 2014-07-02 | 2014-12-31 | 陕西欧舒特汽车股份有限公司 | Extended-range electric vehicle motor three circuit cools system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110949647A (en) * | 2019-10-30 | 2020-04-03 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Cooling water path structure of marine electric propulsion device |
| CN112373294A (en) * | 2020-11-03 | 2021-02-19 | 苏州同捷汽车工程技术股份有限公司 | Cooling system for driving motor of electric automobile |
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| Publication number | Publication date |
|---|---|
| CN109774458B (en) | 2022-04-08 |
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