CN217320032U - Motor cooling system of electric flat car - Google Patents
Motor cooling system of electric flat car Download PDFInfo
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- CN217320032U CN217320032U CN202221335637.2U CN202221335637U CN217320032U CN 217320032 U CN217320032 U CN 217320032U CN 202221335637 U CN202221335637 U CN 202221335637U CN 217320032 U CN217320032 U CN 217320032U
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- driving motor
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- cooling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The utility model discloses an electric flat car motor cooling system, include: the device comprises a radiator assembly, a driving motor assembly and a pump station motor assembly; the surface of the driving motor assembly and the surface of the pump station motor assembly are reserved with cooling liquid pipelines, the water outlet of the radiator assembly is respectively connected with the water inlets of the driving motor assembly and the pump station motor assembly through heat dissipation pipelines, and the water inlet of the radiator assembly is respectively connected with the water outlets of the driving motor assembly and the pump station motor assembly through heat dissipation pipelines. The utility model mainly comprises an integrated radiator assembly and a radiating pipeline, has simple structure and few required pipelines, and can reduce the production cost; and meanwhile, liquid cooling is adopted, so that the heat dissipation effect is high, and the working reliability is high.
Description
Technical Field
The utility model discloses an electric flat car motor cooling system relates to pure electric flat car technical field of new forms of energy.
Background
The motor and the motor control system are one of the core components of the new energy vehicle, and the driving characteristics of the motor and the motor control system determine the main performance indexes of the running of the vehicle. As the heart of a pure electric vehicle, a driving motor converts electric energy stored by a power battery into kinetic energy, and the vehicle is driven to run through a transmission device, but a large amount of heat is generated inside the motor due to long-time high-load work, the efficiency of the motor is reduced due to the fact that the internal temperature is rapidly increased, even the motor is damaged, the power of the vehicle is reduced, and the power consumption is high, so that the design of a motor heat dissipation system is particularly important. The motor heat dissipation system mainly comprises a heat dissipation unit and a heat dissipation pipeline, and has the following common modes:
the method 1 adopts an air cooling system, and directly or indirectly uses air as a cooling medium to cool the motor; the air cooling heat dissipation system has the advantages of simple structure, few parts, low cost, large environmental influence, poor working reliability and uneven heat dissipation, and the cooling effect is poor due to low air thermal conductivity;
mode 2. a liquid cooling system with multiple cooling units is adopted, and the multiple cooling units are connected in series to respectively cool the motor and the controller; its radiating effect is high, and operational reliability is strong, but because electric flat car is long longer, driving motor arranges in the vehicle both sides, and the industry generally adopts a plurality of cooling unit designs, and each cooling unit dispels the heat to motor or motor radiator alone, leads to the structure complicacy, and the cost is higher, receives electric flat car installation space restriction simultaneously.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the defect among the above-mentioned background art, provide an electronic flatbed motor cooling system, adopt the integrated design of integration, simple structure, convenient maintenance, space utilization is high, can satisfy electronic flatbed modularization equipment easily, characteristics that installation space is little.
In order to achieve the above object, the utility model adopts the following technical scheme: an electric flat car motor cooling system, comprising: the device comprises a radiator assembly, a driving motor assembly and a pump station motor assembly; cooling liquid pipelines are reserved on the surfaces of the driving motor assembly and the pump station motor assembly, a water outlet of the radiator assembly is respectively connected with water inlets of the driving motor assembly and the pump station motor assembly through heat dissipation pipelines, and a water inlet of the radiator assembly is respectively connected with water outlets of the driving motor assembly and the pump station motor assembly through heat dissipation pipelines; the integrated radiator assembly is used for driving the motor assembly, and the heat dissipation of the pump station motor assembly prevents each element from being overheated, so that the integrated radiator assembly can be kept in a proper temperature range under all working conditions.
Further, the driving motor assembly includes: the cooling system comprises a first driving motor, a second driving motor, a first driving motor controller and a second driving motor controller, wherein cooling liquid pipelines on the surfaces of the first driving motor and the first driving motor controller are connected in series;
the pump station motor assembly include: the system comprises a pump station motor and a pump station motor controller, wherein the pump station motor is connected with a cooling liquid pipeline on the surface of the pump station motor controller in series;
the driving motor and the controller are used for driving the electric flat car, and the pump station motor controller are used for steering and braking the electric flat car.
Further, the heat sink assembly includes: the radiator comprises an L-shaped support, a radiator core, a radiating fan and two water pumps, wherein the radiator core is arranged on a vertical plate of the L-shaped support, the radiating fan is arranged on one side of the radiator core, the water pumps are connected to a transverse plate of the L-shaped support, a water outlet of the radiator core is respectively connected with a water inlet of a cooling liquid pipeline of a driving motor assembly and a water inlet of a cooling liquid pipeline of a pump station motor assembly through one water pump, and the water inlet of the radiator core is respectively connected with a water outlet of the cooling liquid pipeline of the driving motor assembly and the pump station motor assembly;
the radiator core body mainly dissipates the heat of the cooling liquid flowing through the driving motor and the controller, the heat dissipation fan is mainly used for accelerating the heat dissipation of the cooling liquid flowing through the radiator core body, the rotating speed of the heat dissipation fan can be adjusted according to needs, the relative positions of the fan and the radiator are optimally arranged, the distance is reasonable, the air inlet coefficient can be improved, and hot air backflow is prevented; the water pump mainly acts as a cooling system for providing cooling liquid circulation, and the heat dissipation pipeline is mainly used for connecting the driving motor, the controller and the radiator assembly.
Further, the water pump includes: the first driving motor is connected with the first driving motor controller in series and then drives the cooling liquid to dissipate heat by the first water pump; the second driving motor is connected with the second driving motor controller in series, the pump station motor is connected with the pump station motor controller in series, and the second driving motor and the pump station motor controller are connected in parallel to be driven by the second water pump to dissipate heat, so that the flow demand of each loop is met.
Furthermore, the radiating pipeline between the radiator assembly and the first water pump is provided with an expansion water tank, and the expansion water tank reserves an expansion space for the system so as to adapt to the expansion and contraction of the cooling liquid along with the temperature change and be used for filling the cooling liquid and timely discharging the cooling liquid when the cooling liquid is gasified.
Furthermore, the number of the cooling fans is 2-4, the cooling fans are uniformly arranged on one side of the cooling core, the suction type fan adopted by the cooling fan is selected according to the cooling area and the air volume matching value, the distance between the cooling fan and the cooling core is generally 30% of the diameter of the cooling fan, and the distance between the fan and the radiator is 60-100 mm.
Has the advantages that: 1: the utility model mainly comprises an integrated radiator assembly and a radiating pipeline, has simple structure and few required pipelines, and can reduce the production cost; and meanwhile, liquid cooling is adopted, so that the heat dissipation effect is high, and the working reliability is high.
2: the utility model abandons the design scheme of separating the traditional radiator heat dissipation assembly from the water pumps, a plurality of electronic water pumps are intensively arranged in the radiator assembly, and the pipeline adopts a series-parallel connection combination mode to dissipate heat of the motor, thereby fully saving the installation space; cooling liquid in the radiator core body dissipates heat of all control motors and controllers in the electric flat car through a water pump; the design can easily meet the modular assembly of the electric flat car and has the characteristic of small installation space.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of a heat sink assembly according to the present invention;
fig. 3 is a schematic diagram of a cooling system scheme of the present invention.
Detailed Description
The following describes the embodiments in further detail with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In one embodiment shown in fig. 1 to 3, the present embodiment provides a motor cooling system for an electric flat car, including: the radiator assembly comprises a radiator assembly 1, a driving motor assembly and a pump station motor assembly; coolant liquid pipeline is reserved on the surface of driving motor assembly and pump station motor assembly, the delivery port of radiator assembly 1 connect the water inlet of driving motor assembly and pump station motor assembly coolant liquid pipeline respectively through heat dissipation pipeline 9, the water inlet of radiator assembly 1 connect the delivery port of driving motor assembly and pump station motor assembly coolant liquid pipeline respectively through heat dissipation pipeline 9.
The driving motor assembly comprises: the device comprises a first driving motor controller 3, a first driving motor 4, a second driving motor controller 5 and a second driving motor 6, wherein cooling liquid pipelines on the surfaces of the first driving motor 4 and the first driving motor controller 3 are connected in series, the cooling liquid pipelines on the surfaces of the second driving motor 6 and the second driving motor controller 5 are connected in series,
the pump station motor assembly include: the system comprises a pump station motor controller 7 and a pump station motor 8, wherein the pump station motor 8 and a cooling liquid pipeline on the surface of the pump station motor controller 7 are connected in series.
The radiator assembly 1 comprises: the cooling system comprises an L-shaped support 11, a radiator core, a cooling fan 12 and two water pumps, wherein the radiator core is arranged on a vertical plate of the L-shaped support 11, the cooling fan 12 is arranged on one side of the radiator core, the water pumps are connected to a horizontal plate of the L-shaped support 11, a water outlet 15 of the radiator core is respectively connected with a water inlet 16 of a cooling liquid pipeline of a driving motor assembly and a cooling liquid pipeline of a pump station motor assembly through one water pump, and the water inlet 16 of the radiator core is respectively connected with the water outlets 15 of the cooling liquid pipelines of the driving motor assembly and the pump station motor assembly;
the water pump includes: the first water pump 13 and the second water pump 14 are used for driving the cooling liquid to dissipate heat after the first driving motor 4 is connected with the first driving motor controller 3 in series; the second driving motor 6 is connected with the second driving motor controller 5 in series, the pump station motor 8 is connected with the pump station motor controller 7 in series, and finally the second driving motor and the pump station motor are connected in parallel and driven by the second water pump 14 to drive cooling liquid to dissipate heat;
the radiator assembly 1 is designed with double water outlets 15 and double water inlets 16, and meanwhile, the first water pump 13 and the second water pump 14 are integrated together, so that the installation space can be greatly reduced; when the integrated radiator assembly 1 operates, cooling liquid in the radiating core body flows into the first water pump 13 and the second water pump 14 through the water outlet 15 respectively, the water pumps provide cooling liquid circulation power for the cooling system, the cooling liquid flows into the driving motor assembly to be cooled and the pump station motor 8 through the radiating pipeline 9 respectively, finally the cooling liquid flows back to the radiating core body through the water inlet 16, and the cooling liquid is subjected to accelerated heat radiation by adjusting the rotating speed of the electronic fan on one side.
An expansion water tank 2 is arranged on a heat dissipation pipeline 9 between the radiator assembly 1 and the first water pump 13.
The number of the cooling fans 12 is 2-4, the cooling fans 12 are uniformly arranged on one side of the cooling core, the suction type fan adopted by the cooling fan 12 is selected according to the cooling area and the air volume matching value, the distance between the cooling fan 12 and the cooling core is generally 30% of the diameter of the cooling fan 12, and the distance between the fan and the radiator is 60-100 mm.
The utility model mainly comprises an integrated radiator assembly 1 and a radiating pipeline 9, has simple structure and few required pipelines, and can reduce the production cost; and meanwhile, liquid cooling is adopted, so that the heat dissipation effect is high, and the working reliability is high.
The utility model abandons the design scheme of separating the traditional radiator heat dissipation assembly from the water pumps, a plurality of electronic water pumps are intensively arranged in the radiator assembly, and the pipeline adopts a series-parallel connection combination mode to dissipate heat of the motor, thereby fully saving the installation space; cooling liquid in the radiator core body dissipates heat of all control motors and controllers in the electric flat car through a water pump; the design can easily meet the modular assembly of the electric flat car and has the characteristic of small installation space.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (6)
1. The utility model provides an electric flat car motor cooling system which characterized in that includes: the device comprises a radiator assembly, a driving motor assembly and a pump station motor assembly; the surface of the driving motor assembly and the surface of the pump station motor assembly are reserved with cooling liquid pipelines, the water outlet of the radiator assembly is respectively connected with the water inlets of the driving motor assembly and the pump station motor assembly through heat dissipation pipelines, and the water inlet of the radiator assembly is respectively connected with the water outlets of the driving motor assembly and the pump station motor assembly through heat dissipation pipelines.
2. The electric flat car motor cooling system according to claim 1, wherein said driving motor assembly comprises: the cooling system comprises a first driving motor, a second driving motor, a first driving motor controller and a second driving motor controller, wherein cooling liquid pipelines on the surfaces of the first driving motor and the first driving motor controller are connected in series;
the pump station motor assembly include: the system comprises a pump station motor and a pump station motor controller, wherein the pump station motor and the pump station motor controller are connected in series through cooling liquid pipelines on the surfaces.
3. The electric flat car motor cooling system according to claim 1, wherein the radiator assembly comprises: l type support, radiator core, radiator fan and two water pumps, the riser of L type support on set up the radiator core, one side of radiator core sets up radiator fan, the water pump connect on the diaphragm of L type support, the delivery port of radiator core connects the water inlet of driving motor assembly and pump station motor assembly coolant liquid pipeline through a water pump respectively, the delivery port of driving motor assembly and pump station motor assembly coolant liquid pipeline is connected respectively to the water inlet of radiator core.
4. The electric platform cart motor cooling system of claim 3, wherein said water pump comprises: the first driving motor is connected with the first driving motor controller in series and then drives the cooling liquid to dissipate heat by the first water pump; the second driving motor is connected with the second driving motor controller in series, the pump station motor is connected with the pump station motor controller in series, and finally the second driving motor and the pump station motor controller are connected in parallel to drive the cooling liquid to dissipate heat.
5. The electric flat car motor cooling system according to claim 3, wherein an expansion tank is disposed in the heat pipe between the radiator assembly and the first water pump.
6. The electric flat car motor cooling system according to claim 3, wherein 2 to 4 cooling fans are provided, the cooling fans are uniformly provided on one side of the cooling core, and the distance between the cooling fans and the cooling core is 30% of the diameter of the cooling fans.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221335637.2U CN217320032U (en) | 2022-05-31 | 2022-05-31 | Motor cooling system of electric flat car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221335637.2U CN217320032U (en) | 2022-05-31 | 2022-05-31 | Motor cooling system of electric flat car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217320032U true CN217320032U (en) | 2022-08-30 |
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ID=82987556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221335637.2U Active CN217320032U (en) | 2022-05-31 | 2022-05-31 | Motor cooling system of electric flat car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217320032U (en) |
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2022
- 2022-05-31 CN CN202221335637.2U patent/CN217320032U/en active Active
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