CN208027834U - Braking resistor cooling system and vehicle - Google Patents
Braking resistor cooling system and vehicle Download PDFInfo
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- CN208027834U CN208027834U CN201820447207.7U CN201820447207U CN208027834U CN 208027834 U CN208027834 U CN 208027834U CN 201820447207 U CN201820447207 U CN 201820447207U CN 208027834 U CN208027834 U CN 208027834U
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Abstract
This disclosure relates to a kind of braking resistor cooling system and vehicle, the system comprises cooling devices (10) and braking resistor (20), it is formed with the first pipeline (21) on the braking resistor (20), the cooling device (10) is connected to first pipeline (21) to form the first cooling circuit (30), and the cooling device (10) carries out cooling coolant for providing proper temperature to the braking resistor (20).Through the above scheme, the cooling efficiency that can effectively improve braking resistor is further ensured that the braking ability of vehicle so as to effectively extend the operating time of braking resistor.Meanwhile braking resistor is cooled down by the coolant in the first cooling circuit so that the installation position of braking resistor is no longer limited to the position of the contact natures wind such as vehicle roof, effectively to widen the installation position of braking resistor, optimization whole-vehicle wiring setting.
Description
Technical field
This disclosure relates to vehicle braking field, and in particular, to a kind of braking resistor cooling system and vehicle.
Background technology
In the prior art, in the braking process of vehicle, the scheme that motor reversal may be used to vehicle battery charging is real
The reasonable utilization of existing feedback braking energy.When the charge power that battery does not allow charging or battery to allow is smaller, then need
The feedback energy in braking process is consumed by braking resistor.But braking resistor consumption feedback energy is all the side by fever
Formula.And generally braking resistor is cooled down using natural wind in the prior art, when natural air temperature is higher, braking resistor
Cooling efficiency is relatively low, and braking resistor can not work long hours.Simultaneously as being cooled down to braking resistor using natural wind, make
The position that can be contacted with natural wind can only be laid in by obtaining braking resistor so that the installation position of braking resistor is also very limited
System.
Utility model content
To solve the above-mentioned problems, a kind of braking resistor cooling system of disclosure offer and vehicle.
To achieve the goals above, according to the disclosure in a first aspect, providing a kind of braking resistor cooling system, the system
System includes cooling device and braking resistor, and the first pipeline, the cooling device and described first are formed in the braking resistor
To form the first cooling circuit, the cooling device carries out the braking resistor for providing proper temperature pipeline connection
Cooling coolant.
Optionally, the cooling device includes：
Heat exchanger, compressor, condenser and the first expansion valve, wherein be formed in the heat exchanger the second pipeline and
Third pipeline, the heat exchanger is via second pipeline and first pipeline connection, to form first cooling cycle
Circuit；
The outlet of the compressor is connected to the entrance of the condenser, and the outlet of the condenser is expanded with described first
The entrance of valve is connected to, and the outlet of first expansion valve is connected to via the third pipeline with the entrance of the compressor, with
It is formed in the cooling device and is followed for carrying out the second cooling of heat exchange with the coolant in first cooling circuit
Loop back path.
Optionally, the system also includes：Water tank and water pump are arranged on first cooling circuit.
Optionally, the coolant flow direction in second pipeline and the third pipeline is opposite.
Optionally, the cooling device is mounted air conditioner system, wherein the cooling device further includes：
First switch valve, second switch valve, the second expansion valve and evaporator, wherein the outlet of the condenser passes through institute
It states first switch valve to be connected to the entrance of first expansion valve, the outlet of the condenser passes through the second switch valve and institute
The entrance connection of the second expansion valve is stated, the outlet of second expansion valve is connected to the entrance of the evaporator, the evaporator
Outlet be connected to the entrance of the compressor.
Optionally, the cooling device includes：
Compressor, condenser and third expansion valve, wherein the outlet of the compressor connects with the entrance of the condenser
Logical, the outlet of the condenser is connected to the entrance of the third expansion valve, and the outlet of the third expansion valve passes through described the
One pipeline is connected to the first entrance of the compressor, to form first cooling circuit.
Optionally, it is also formed with the 4th pipeline in the braking resistor, the system also includes：Third switch valve and the 4th
Switch valve, wherein the outlet of the third expansion valve is connected to by the 4th pipeline with the entrance of the 4th switch valve, institute
The outlet for stating the 4th switch valve is connected to by the cooling line being arranged on battery with the second entrance of the compressor, to be formed
Third cooling circuit；The outlet of the third expansion valve is connected by the entrance of first pipeline and the third switch valve
Logical, the outlet of the third switch valve is connected to the first entrance of the compressor.
Optionally, first pipeline and the 4th pipeline share an entrance.
Optionally, the system also includes：
Water tank is arranged on first cooling circuit.
According to the second aspect of the disclosure, a kind of vehicle, including any braking resistor cooling of first aspect are provided
System.
In the above-mentioned technical solutions, it is connected to cooling device by the first pipeline formed in braking resistor, to form
One cooling circuit.Cooling device can cool down the coolant in first circulation circuit.Therefore, coolant can be
Circulation in first cooling circuit can carry out heat in the first pipeline on flowing through braking resistor with braking resistor
It exchanges, so as to effectively be cooled down to braking resistor.Through the above scheme, it can effectively improve the cooling effect of braking resistor
Rate is further ensured that the braking ability of vehicle so as to effectively extend the operating time of braking resistor.Meanwhile passing through first
Coolant in cooling circuit cools down braking resistor so that the installation position of braking resistor is no longer limited to vehicle
The position of the contact natures wind such as top, effectively to widen the installation position of braking resistor, optimization whole-vehicle wiring setting.
Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is for providing further understanding of the disclosure, and a part for constitution instruction, with following tool
Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings：
Fig. 1 is the schematic diagram of the braking resistor cooling system provided according to an embodiment of the present disclosure；
Fig. 2 is the schematic diagram of the braking resistor cooling system provided according to the another embodiment of the disclosure；
Fig. 3 is the schematic diagram of the braking resistor cooling system provided according to the another embodiment of the disclosure；
Fig. 4 is the schematic diagram of the braking resistor cooling system provided according to the another embodiment of the disclosure；
Fig. 5 is the schematic diagram of the braking resistor cooling system provided according to the another embodiment of the disclosure；
Fig. 6 is the schematic diagram of the braking resistor cooling system provided according to the another embodiment of the disclosure.
Reference sign
10 cooling device, 11 heat exchanger
12 compressor, 13 condenser
14 first expansion valve, 15 first switch valve
16 second switch valve, 17 second expansion valve
18 evaporator, 19 third expansion valve
20 braking resistor, 21 first pipeline
22 the 4th pipeline, 30 first cooling circuit
31 second cooling circuit, 32 third cooling circuit
40 water tank, 50 water pump
The outlet of 60 third switch valve, 61 third switch valve
The 4th switch valve of entrance 70 of 62 third switch valves
The entrance of the 4th switch valve of outlet 72 of 71 the 4th switch valves
80 battery, 81 cooling line
111 second pipeline, 112 third pipeline
The entrance of 122 compressor of outlet of 121 compressors
The second entrance of 124 compressor of first entrance of 123 compressors
The entrance of 132 condenser of outlet of 131 condensers
The entrance of 142 first expansion valve of outlet of 141 first expansion valves
The entrance of 172 second expansion valve of outlet of 171 second expansion valves
The entrance of 182 evaporator of outlet of 181 evaporators
The entrance of the 192 third expansion valve of outlet of 191 third expansion valves
Specific implementation mode
The specific implementation mode of the disclosure is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched
The specific implementation mode stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
Shown in Fig. 1, for the schematic diagram of the braking resistor cooling system provided according to an embodiment of the present disclosure.Such as figure
Shown in 1, the system comprises cooling device 10 and braking resistor 20, the first pipeline 21, institute are formed in the braking resistor 20
It states cooling device 10 to be connected to first pipeline 21 to form the first cooling circuit 30, the cooling device 10 is for carrying
Cooling coolant is carried out to the braking resistor 20 for proper temperature.Wherein, direction shown in arrow is the flowing side of coolant
To repeating no more below.
In one embodiment, which can be laid in around 20 surface of braking resistor, for example, in resistance shell
Upper setting 21 (not shown in figure 1) of the first pipeline, so that the coolant in the first cooling circuit 30 is flowing through the first pipeline
When 21, braking resistor 20 is cooled down.
In another embodiment, which can be set to the inside of braking resistor 20, for example, in braking resistor
20 inner hollows be arranged 21 (not shown in figure 1) of the first pipeline so that coolant when flowing through the first pipeline 21 to braking resistor
20 are cooled down.Wherein, in Fig. 1 be only the first pipeline 21 and braking resistor 20 connection diagram, not to its connection relation into
Row limits.
In the above-mentioned technical solutions, it is connected to cooling device by the first pipeline formed in braking resistor, to form
One cooling circuit.Cooling device can cool down the coolant in first circulation circuit.Therefore, coolant can be
Circulation in first cooling circuit can carry out heat in the first pipeline on flowing through braking resistor with braking resistor
It exchanges, so as to effectively be cooled down to braking resistor.Through the above scheme, it can effectively improve the cooling effect of braking resistor
Rate is further ensured that the braking ability of vehicle so as to effectively extend the operating time of braking resistor.Meanwhile passing through first
Coolant in cooling circuit cools down braking resistor so that the installation position of braking resistor is no longer limited to vehicle
The position of the contact natures wind such as top, effectively to widen the installation position of braking resistor, optimization whole-vehicle wiring setting.
Optionally, as shown in Fig. 2, being the braking resistor cooling system provided according to the another embodiment of the disclosure
Block diagram.As shown in Fig. 2, the cooling device 10 includes：
Heat exchanger 11, compressor 12, condenser 13 and the first expansion valve 14, wherein be formed in the heat exchanger 11
Second pipeline 111 and third pipeline 112, the heat exchanger 11 are connected to via second pipeline 111 with first pipeline 21,
To form first cooling circuit 30；
The outlet 121 of the compressor 12 is connected to the entrance 132 of the condenser 13, the outlet of the condenser 13
131 are connected to the entrance 142 of first expansion valve 14, and the outlet 141 of first expansion valve 14 is via the third pipeline
112 are connected to the entrance 122 of the compressor 12, with formed in the cooling device 10 for first cooling cycle
Coolant in circuit 30 carries out the second cooling circuit 31 of heat exchange.
In this embodiment, gas therein is compressed in compressor 12, to obtain high pressure gas, is entered later
Condenser 13；High pressure gas is condensed in condenser 13, to obtain highly pressurised liquid, enters the first expansion valve 14 later；
Highly pressurised liquid is depressured in the first expansion valve 14, to obtain low pressure liquid, and environment under low pressure provides for low pressure liquid
Evaporation conditions.It absorbs heat during low pressure liquid vaporizes, to obtain cryogenic gas (that is, cold in the second cooling circuit
But agent).The cryogenic gas is in the third pipeline 112 for flowing through heat exchanger 11, and between the coolant that flows through in the second pipeline 111
There are the temperature difference (temperature of the cryogenic gas in third pipeline 112 is less than the temperature of the coolant in the second pipeline 111), later two
Person carries out heat exchange, so as to reduce the temperature of the coolant in the second pipeline 111, to electric through braking in the coolant flow
When the first pipeline 21 of resistance 20, braking resistor can be cooled down.
In the above-mentioned technical solutions, by the third pipeline connection of compressor, condenser, the first expansion valve and heat exchanger with
The second cooling circuit is formed, the of heat exchanger is being flowed through so as to reduce coolant by second cooling circuit
Temperature when three pipelines.The coolant in the first cooling circuit is when flowing through the second pipeline simultaneously, and in third pipeline
Coolant carries out heat exchange, to reduce the temperature of the coolant in the first cooling circuit, to be returned to the first cooling cycle
Braking resistor in road is cooled down.Through the above technical solutions, by heat exchanger may be implemented the first cooling circuit and
The heat exchange of coolant in second cooling circuit can to provide the coolant of proper temperature for the cooling of braking resistor
To improve the cooling efficiency of braking resistor, so as to effectively extend the service life of braking resistor.
Optionally, the heat exchanger 11 is plate heat exchanger, can effectively improve the contact area of heat exchange, to effectively
The efficiency of heat exchange is improved, and effectively improves the cooling utilization rate of the second cooling circuit.
Optionally, the coolant flow direction in second pipeline 111 and the third pipeline 112 is on the contrary, can have
Effect increases contact area of the coolant in flow process in the first cooling circuit and the second cooling circuit, to
The efficiency that heat exchange can be improved further increases the cooling efficiency of braking resistor.
Optionally, as shown in figure 3, the system also includes：Water tank 40 and water pump 50 are arranged in first cooling cycle
On circuit 30.Wherein it is possible to be that the first cooling circuit 30 increases coolant, or is deposited to coolant by water tank 40
Storage can provide circulation power by water pump 50 for the coolant in the first cooling circuit 30, and guarantee coolant can be
It smoothly circulates in first cooling circuit 30, to improve the cooling efficiency to braking resistor.
Optionally, as shown in figure 4, the cooling device 10 is mounted air conditioner system, wherein the cooling device 10 also wraps
It includes：
First switch valve 15, second switch valve 16, the second expansion valve 17 and evaporator 18, wherein the condenser 13
Outlet 131 is connected to by the first switch valve 15 with the entrance 142 of first expansion valve 14, the outlet of the condenser 13
131 are connected to by the second switch valve 16 with the entrance 172 of second expansion valve 17, the outlet of second expansion valve 17
171 are connected to the entrance 182 of the evaporator 18, and the outlet 181 of the evaporator 18 connects with the entrance 122 of the compressor 12
It is logical.
In this embodiment, therefore cooling device 10, which is on-board air conditioner built-in system, can pass through the refrigeration of on-board air conditioner
Amount cools down braking resistor.Illustratively, it can be realized by the opening and closing of first switch valve 15 and second switch valve 16 vehicle-mounted
Cooling of the air-conditioning system to braking resistor and the adjusting to vehicle interior temperature.For example, when vehicle interior temperature is higher, needs to open vehicle-mounted sky
When transferring in row refrigeration, second switch valve 16 can be opened, so that compressor 12, condenser 13, the second expansion valve
17, evaporator 18 is connected to, and ensures the normal work of mounted air conditioner system, to reduce vehicle interior temperature.If being needed at this time to braking electricity
Resistance is cooled down, and can be controlled the unlatching of first switch valve 15, the second cooling circuit 31 is connected to, with to the second cooling cycle
Coolant in circuit 31 is cooled down, so as to cool down for the coolant in the first cooling circuit 30, finally
Realize the cooling to braking resistor 20.
Illustratively, the can also be adjusted according to the refrigerating capacity needed for the cooling to braking resistor and the adjusting to vehicle interior temperature
The aperture of one switch valve 15 and second switch valve 16 is carried with reasonably being distributed the refrigerating capacity that mounted air conditioner system generates
Rise user experience.
In another embodiment, when vehicle interior temperature need not be adjusted, the closing of second switch valve 16 can be controlled,
To disconnect being connected to for condenser 13 and the second expansion valve 17, to close the circuit that mounted air conditioner system adjusts vehicle interior temperature, make
The refrigerating capacity for obtaining mounted air conditioner system is entirely used for the cooling to braking resistor 20, avoids the wave of vehicle air conditioner refrigerating capacity
Take, improves the utilization ratio of mounted air conditioner system.Wherein, pass through the first cooling circuit 30 and the second cooling circuit 31
Braking resistor 20 is cooled down and has been described in detail above, details are not described herein.
Through the above technical solutions, being dropped by the coolant in the second cooling circuit of mounted air conditioner system pair
Temperature, it is possible to reduce the deployment of vehicle cooling device reduces cost, while can also simplify whole-vehicle wiring.On the other hand, vehicle is utilized
The refrigerating capacity for carrying air-conditioning system cools down braking resistor, can also further increase the utilization ratio of mounted air conditioner system.
Optionally, as shown in figure 5, the cooling device 10 includes：
Compressor 12, condenser 13 and third expansion valve 19, wherein the outlet 121 of the compressor 12 and the condensation
The entrance 132 of device 13 is connected to, and the outlet 131 of the condenser 13 is connected to the entrance 192 of the third expansion valve 19, and described the
The outlet 191 of three expansion valves 19 is connected to by first pipeline 21 with the first entrance 123 of the compressor 12, to be formed
State the first cooling circuit 30.
In this embodiment, the first pipeline 21 of compressor 12, condenser 13 and third expansion valve 19 and braking resistor 20
Connection, to form the first cooling circuit 30.Therefore, it is generated via compressor 12, condenser 13 and third expansion valve 19
Cryogenic gas can be directly through the first pipeline 21 of braking resistor 20, to carry out heat exchange with braking resistor 20, with to system
Dynamic resistance 20 is cooled down.Therefore, through the above technical solutions, the cryogenic gas of cooling device generation is directly through the first pipeline
Heat exchange is carried out with braking resistor, the cooling utilization rate of cooling device can be improved, while improving the cooling efficiency of braking resistor.
Optionally, as shown in fig. 6, being also formed with the 4th pipeline 22 in the braking resistor 20, the system also includes：The
Three switch valves 60 and the 4th switch valve 70, wherein the outlet 191 of the third expansion valve 19 passes through the 4th pipeline 22 and institute
The entrance 72 for stating the 4th switch valve 70 is connected to, and the outlet 71 of the 4th switch valve 70 is by being arranged the cooling tube on battery 80
Road 81 is connected to the second entrance 124 of the compressor 12, to form third cooling circuit 32；The third expansion valve 19
Outlet 191 be connected to the entrance 62 of the third switch valve 60 by first pipeline 21, the third switch valve 60
Outlet 61 is connected to the first entrance 123 of the compressor 12.
In one embodiment, when braking resistor 20 is cooled down, third switch valve 60 can be opened, so that first
Cooling circuit 30 is connected to, so that cooling device 10 can cool down braking resistor 20.
It in another embodiment, can also be by third cooling circuit 32 to battery 80 when battery temperature is excessively high
It is carried out at the same time cooling with braking resistor 20, to ensure the normal work of battery 80 and braking resistor 20.It illustratively, can be by opening
The 4th switch valve 70 is opened, the 4th pipeline 22 in braking resistor 20 is connected to the cooling line 81 on battery 80, cooling line 81
It is connected to the second entrance 124 of compressor 12, to form third cooling circuit 32.Therefore, after via cooling device 10
Proper temperature coolant can circulation can be with when flowing through four pipelines 22 in third cooling circuit 32
Heat exchange is carried out with braking resistor 20, to be cooled down to braking resistor 20；It, can be with battery 80 when flowing through cooling line 81
Heat exchange is carried out, to be cooled down to battery 80.Wherein it is possible to be opened according to braking resistor 20 or the temperature of battery 80 control third
Close the aperture of valve 60 and the 4th switch valve 70.
Optionally, when opening four switch valves 70, cooling can be carried out at the same time to braking resistor 20 and battery 80, because
This, can close third switch valve 60, to improve the cooling utilization rate of cooling device.
Optionally, first pipeline 21 and the 4th pipeline 22 share an entrance, can reduce braking resistor 20
Pipeline lay complexity, simplify the design of braking resistor 20 and reduce the volume of braking resistor 20, further widen braking electricity
The range of the installation position of resistance.
Optionally, the system also includes：
Water tank 40 is arranged on first cooling circuit 30.Wherein it is possible to be that the first cooling follows by water tank 40
Loop back path 30 increases coolant, or is stored to coolant, to ensure can there is foot in the first cooling circuit 30
Enough coolants improve the cooling efficiency of braking resistor.
The disclosure also provides a kind of vehicle, and the vehicle includes any of the above-described braking resistor cooling system.
The preferred embodiment of the disclosure is described in detail above in association with attached drawing, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure
Monotropic type, these simple variants belong to the protection domain of the disclosure.It is further to note that in above-mentioned specific implementation mode
Described in each particular technique feature can be combined by any suitable means in the case of no contradiction.For
The unnecessary repetition, the disclosure is avoided no longer separately to illustrate various combinations of possible ways.
In addition, arbitrary combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought equally should be considered as disclosure disclosure of that.
Claims (10)
1. a kind of braking resistor cooling system, which is characterized in that the system comprises cooling device (10) and braking resistor (20),
Be formed with the first pipeline (21) on the braking resistor (20), the cooling device (10) be connected to first pipeline (21) with
Form the first cooling circuit (30), the cooling device (10) for provide proper temperature to the braking resistor (20) into
The cooling coolant of row.
2. system according to claim 1, which is characterized in that the cooling device (10) includes：
Heat exchanger (11), compressor (12), condenser (13) and the first expansion valve (14), wherein in the heat exchanger (11)
Be formed with the second pipeline (111) and third pipeline (112), the heat exchanger (11) via second pipeline (111) with it is described
First pipeline (21) is connected to, to form first cooling circuit (30)；
The outlet (121) of the compressor (12) is connected to the entrance (132) of the condenser (13), the condenser (13)
Outlet (131) is connected to the entrance (142) of first expansion valve (14), outlet (141) warp of first expansion valve (14)
It is connected to the entrance (122) of the compressor (12) by the third pipeline (112), to be formed in the cooling device (10)
The second cooling circuit (31) for carrying out heat exchange with the coolant in first cooling circuit (30).
3. system according to claim 2, which is characterized in that the system also includes：Water tank (40) and water pump (50), if
It sets on first cooling circuit (30).
4. system according to claim 2, which is characterized in that second pipeline (111) and the third pipeline (112)
Interior coolant flow direction is opposite.
5. according to the system described in any one of claim 2-4, which is characterized in that the cooling device (10) is on-board air conditioner
System, wherein the cooling device (10) further includes：
First switch valve (15), second switch valve (16), the second expansion valve (17) and evaporator (18), wherein the condenser
(13) outlet (131) is connected to by the first switch valve (15) with the entrance (142) of first expansion valve (14), described
The outlet (131) of condenser (13) is connected by the entrance (172) of the second switch valve (16) and second expansion valve (17)
Logical, the outlet (171) of second expansion valve (17) is connected to the entrance (182) of the evaporator (18), the evaporator
(18) outlet (181) is connected to the entrance (122) of the compressor (12).
6. system according to claim 1, which is characterized in that the cooling device (10) includes：
Compressor (12), condenser (13) and third expansion valve (19), wherein the outlet (121) of the compressor (12) and institute
State entrance (132) connection of condenser (13), the outlet (131) of the condenser (13) and entering for third expansion valve (19)
Mouth (192) connection, the outlet (191) of the third expansion valve (19) passes through first pipeline (21) and the compressor (12)
First entrance (123) connection, to form first cooling circuit (30).
7. system according to claim 6, which is characterized in that be also formed with the 4th pipeline on the braking resistor (20)
(22), the system also includes：Third switch valve (60) and the 4th switch valve (70), wherein the third expansion valve (19)
Outlet (191) is connected to by the 4th pipeline (22) with the entrance (72) of the 4th switch valve (70), the 4th switch
The outlet (71) of valve (70) passes through the second entrance of the cooling line (81) and the compressor (12) that are arranged on battery (80)
(124) it is connected to, to form third cooling circuit (32)；The outlet (191) of the third expansion valve (19) passes through described
One pipeline (21) is connected to the entrance (62) of the third switch valve (60), the outlet (61) of the third switch valve (60) and institute
State first entrance (123) connection of compressor (12).
8. system according to claim 7, which is characterized in that first pipeline (21) and the 4th pipeline (22) are altogether
With an entrance.
9. system according to claim 6, which is characterized in that the system also includes：
Water tank (40) is arranged on first cooling circuit (30).
10. a kind of vehicle, which is characterized in that including the braking resistor cooling system described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820447207.7U CN208027834U (en) | 2018-03-29 | 2018-03-29 | Braking resistor cooling system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820447207.7U CN208027834U (en) | 2018-03-29 | 2018-03-29 | Braking resistor cooling system and vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN208027834U true CN208027834U (en) | 2018-10-30 |
Family
ID=63908875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820447207.7U Active CN208027834U (en) | 2018-03-29 | 2018-03-29 | Braking resistor cooling system and vehicle |
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| Country | Link |
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| CN (1) | CN208027834U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021248723A1 (en) * | 2020-06-09 | 2021-12-16 | 北京金风科创风电设备有限公司 | Cooling system |
-
2018
- 2018-03-29 CN CN201820447207.7U patent/CN208027834U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021248723A1 (en) * | 2020-06-09 | 2021-12-16 | 北京金风科创风电设备有限公司 | Cooling system |
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