CN209479597U - A kind of integrated form controller cooling system - Google Patents
A kind of integrated form controller cooling system Download PDFInfo
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- CN209479597U CN209479597U CN201822168528.6U CN201822168528U CN209479597U CN 209479597 U CN209479597 U CN 209479597U CN 201822168528 U CN201822168528 U CN 201822168528U CN 209479597 U CN209479597 U CN 209479597U
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- cooling device
- cabinet
- water channel
- circuit board
- middle layer
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Abstract
A kind of integrated form controller cooling system.The utility model includes that controller box upper layer is provided with circuit board and component, I side of cabinet of middle layer cooling device is provided with inlet I, liquid outlet I, water channel I is provided in cabinet I, the upper surface of cabinet I is fixedly installed with upper cover I, the circuit board that upper layer is arranged in is fixedly mounted in the fixed column of upper cover I, component on circuit board is located at below circuit board in inversion shape, integrated form controller cooling system further includes auxiliary cooling device, auxiliary cooling device is fixedly mounted on the top of circuit board, heat-conducting silica gel sheet is installed between auxiliary cooling device and circuit board；The water channel II of auxiliary cooling device is connected to the water channel I of middle layer cooling device, provides coolant liquid from water pump to cooling system.The beneficial effect is that it is reasonable in design, increase auxiliary cooling device, improves radiating efficiency；Heat-conducting medium uses heat-conducting silica gel sheet, and heat conduction efficiency is high；Heat-conducting silica gel sheet is fixedly mounted, and heat dissipation effect is stablized.
Description
Technical field
The utility model relates to a kind of controller cooling systems of electric car, more particularly, to a kind of integrated form controller
Cooling system belongs to electric car manufacturing technology field.
Background technique
For electric car using electric energy as the energy, driving motor and its control system are the cores in power system of electric automobile
Point.In order to reduce cost and improve the reliability of whole system, electric vehicle motor controller and entire car controller are integrated
To together be motor and vehicle assembly controller.
New-energy electric vehicle controller is designed using integrated form, is exactly by multiple system integrations in a controller box
It is interior.With the continuous improvement of the power-performance of each quasi-controller, several functions component is provided on the circuit board in controller
(such as: circuit appliance part, power device), these components can generate a large amount of heat during the work time, therefore to controller
Cooling effect requirement is also higher and higher, and more and more controllers use coolant liquid cooling technology.Currently, big multi-controller
Cabinet is upper, middle and lower-ranking structure, and the upper and lower are respectively the circuit appliance that vehicle on circuit boards not homologous ray is arranged
Part and power device, middle layer are the water-cooling apparatus of controller, and the effect of cooling device is for the controller electricity on upper layer, lower layer
Road electrical part, power device cooling, when the heat on upper layer, lower layer is conducted to cooling system, by cooling device water channel into
Outlet pipe carries out coolant liquid circulation, plays the role of radiating and cooling.
The cooling device in existing controller cabinet middle layer is case structure, and cooling box is provided with water inlet, water outlet, case
It is provided with water channel in vivo, cooling water is flowed along water channel, and the upper surface of cooling box is fixedly installed with upper cover and forms the cold of complete seal
But water channel is additionally provided with sealing ring between upper cover and cabinet；The upper surface of upper cover is provided with circuit board pillar, controller box upper layer
Circuit board be fixedly mounted on the circuit board pillar of upper cover, the component on circuit board is located at below circuit board, i.e. circuit
Component on plate is in inversion shape.
Heat-conducting silica gel sheet is attached between the component and cooling device of layer circuit board currently, being located on controller, by first device
The heat generated in the part course of work is conducted to cooling device, which has the disadvantage that
1, the component on circuit board generates that heat is very big, and heat is conducted to aluminium base bottom plate, then by aluminium during the work time
Substrate plate is conducted by heat-conducting silica gel sheet to the shell of cooling system, is recycled by coolant liquid and is taken away heat.In upper layer circuit
In, component is downward, following cooling water channel surface is attached by heat-conducting silica gel sheet transition, but heat usually expand upwards by conduction
It dissipates, heat, which generates conduction upwards by power device, to be assembled on circuit boards, although there is heat-conducting silica gel sheet in lower section, heat dissipation effect is simultaneously
It is undesirable.
2, because the heat of power device rises aggregation on circuit boards, lead to circuit board accelerated ageing, increase failure
Probability, and the heat on circuit board influences the performance of component, accelerates component aging.
3, it cannot effectively radiate after causing layer circuit board heat to be assembled above the shell of controller upper layer without radiator,
Cause upper layer circuitry operating conditions bad, if switching circuit common in electric vehicle controller overheats, so that working efficiency drops
Low, vehicle energy consumption is high, to waste electric energy.
4, paste heat-conducting silica gel sheet between the component and middle layer cooling system on upper layer, the dispersion of heat-conducting silica gel sheet arrangement and
Without fixed structure, because vibration causes silica gel piece to be detached from power device in vehicle travel process, so that excess temperature occurs for failure
Failure.
Utility model content
In order to overcome the above deficiencies in the existing technologies, the utility model provides a kind of integrated form controller cooling system
System.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of integrated form controller cooling system,
Middle layer and upper layer including controller box, middle layer are cooling device, and upper layer is provided with circuit board and component, the cooling dress in middle layer
I side of cabinet set is provided with inlet I, liquid outlet I, and water channel I is provided in cabinet I, and the upper surface of cabinet I is fixedly installed with
Lid I, cabinet I and I contact face of upper cover are provided with annular groove, are equipped with sealing ring in annular groove；The upper surface of upper cover I is provided with electricity
The fixed column of road plate, the circuit board that upper layer is arranged in are fixedly mounted in fixed column, and the component on circuit board is located at circuit board
Below in be inverted shape.
The integrated form controller cooling system further includes auxiliary cooling device, and the auxiliary cooling device is fixedly mounted on
The top of the circuit board is equipped with heat-conducting silica gel sheet between the auxiliary cooling device and the circuit board；The auxiliary is cold
But the water channel II of device is connected to the water channel I of middle layer cooling device, provides coolant liquid from water pump to the cooling system.
The water channel I is provided in the cabinet I of the middle layer cooling device, the water channel I is continuous S-shaped, the cabinet I
Inlet I, liquid outlet I be separately positioned on the both ends of continuous S-shaped water channel I；Going out liquid close to the continuous S-shaped water channel I
It is provided with water channel partition panel at mouth I, the coolant liquid in the cabinet I is prevented directly to flow out from the liquid outlet I.
The upper cover I of the middle layer cooling device is provided with inlet II, liquid outlet II, and the liquid outlet II is arranged described
Before water channel partition panel, and close to the water channel partition panel；The inlet II is arranged after the water channel partition panel.
The auxiliary cooling device includes cabinet II, upper cover II, and water channel II, the water channel II are provided in the cabinet II
For continuous S-shaped；The cabinet II is provided with inlet III, liquid outlet III, and is separately positioned on the both ends of continuous S-shaped water channel II
Portion.
The inlet III is connected to by water pipeline with the liquid outlet II of the upper cover I；The liquid outlet III passes through water pipe
Line is connected to the inlet II of the upper cover I.
The coolant liquid that the water pump provides is entered by the inlet I of cabinet I of the water pipeline through the middle layer cooling device
Cooling system, coolant liquid are successively returned to the cooling dress in the middle layer after the middle layer cooling device, auxiliary cooling device
In setting, the coolant liquid enters the heat dissipation of vehicle coolant liquid through water pipeline by the liquid outlet I of the cabinet I of the middle layer cooling device
Device.
Further, the coolant liquid enters the water channel I, coolant liquid from the inlet I of the middle layer cooling device cabinet I
The water channel I for flowing through S-shaped, before the water channel partition panel at the nearly liquid outlet I, liquid outlet II and company through the upper cover I
Water receiving pipeline enters the inlet III of the cabinet II of the auxiliary cooling device；
Further, after the coolant liquid flows through the continuous S-shaped water channel II of the auxiliary cooling device cabinet II, pass through
The liquid outlet III of the cabinet II enters the inlet II of the upper cover I through water pipeline, returns to the middle layer cooling device；
Then, the coolant liquid flows to vehicle coolant liquid heat dissipation dress through water pipeline by the liquid outlet I of middle layer cooling device
It sets.
The circuit board and the cabinet II of the auxiliary cooling device are bolted to connection.
Further, the bolt from top to bottom sequentially passes through connection through-hole, the thermal conductive silicon of spring washer, washer, cabinet II
Film, circuit board connection through-hole after, be fixedly connected with the fixed leg of circuit board of the upper cover I.
The cabinet II of the auxiliary cooling device is fixedly connected with upper cover II, and the cabinet II is set with II contact face of upper cover
It is equipped with annular groove, sealing ring is installed in the annular groove.
The quantity of the circuit board is 1 piece or 1 piece or more.
The material of the water pipeline is PA12 nylon.
The utility model has the beneficial effects that it is reasonable in design, increase auxiliary cooling device, improves radiating efficiency；
Heat-conducting medium uses heat-conducting silica gel sheet, and heat conduction efficiency is high, can effectively conduct the heat of upper layer circuit board and its component
To auxiliary cooling device, circuit excess temperature rate of breakdown is reduced；The comprehensive covering board of heat-conducting silica gel sheet is simultaneously fixedly mounted, and avoids
Because vibration causes heat-conducting silica gel sheet to shift in vehicle travel process, heat dissipation effect is stablized.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model integrated form controller cooling system.
Fig. 2 is the structural schematic diagram of the middle layer cooling device of the utility model.
Fig. 3 is I structural schematic diagram of upper cover of the middle layer cooling device of the utility model.
Fig. 4 is the middle layer cooling device and auxiliary cooling device connection schematic diagram of the utility model.
Fig. 5 is the auxiliary cooling device structural schematic diagram of the utility model.
Fig. 6 is that the middle layer cooling device of the utility model connect scheme of installation with circuit board.
In figure: 100. middle layer cooling devices, 101. cabinets I, 102. water channels I, 103. water channel partition panels, 104. inlets I,
105. liquid outlet I, 106. circuit boards, 107. components, 108. heat dissipation rows, 109. fixed columns, 110. upper covers I, 111. liquid outlets
II, 112. inlets II；
200. auxiliary cooling devices, 201. cabinets II, 202. upper covers II, 203. inlets III, 204. liquid outlets III, 205.
Water channel II, 206. bolts, 207. spring washers, 208. washers, 209. heat-conducting silica gel sheets.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.But those skilled in the art should
Know, the present invention is not limited to listed specific embodiments, as long as meeting spirit of the invention, should all be included in this
In the protection scope of invention.
Referring to attached drawing 1-6.A kind of integrated form controller cooling system of the utility model, controller box divide upper, middle and lower three
Layer, lower layer and upper layer are provided with circuit board and its component, and specific upper layer is provided with circuit board 106 and component 107；Middle layer
For cooling device, the utility model is mainly the technical solution for just improving controller box upper layer cooling effect.
Referring to attached drawing 1,2, a kind of integrated form controller cooling system of the utility model mainly includes middle layer cooling device 100
With auxiliary cooling device 200, the middle layer cooling device 100 is connected to auxiliary cooling device 200 by water pipeline.
I 101 side of cabinet of the middle layer cooling device 100 is provided with inlet I 104, liquid outlet I 105, cabinet I 101
It is inside provided with water channel I 102, the upper surface of cabinet I 101 is fixedly installed with upper cover I 110, cabinet I 101 and I 110 contact face of upper cover
It is provided with annular groove, sealing ring is installed in annular groove.The upper surface of described upper cover I 110 is provided with the fixed column 109 of circuit board,
The circuit board 106 on upper layer is fixedly mounted in fixed column 109, and the component 107 on circuit board 106 is located under circuit board 106
Face is in inversion shape.
Referring to attached drawing 2, the water channel I 102, the water channel I are provided in the cabinet I 101 of the middle layer cooling device 100
102 be continuous S-shaped, and inlet I 104, the liquid outlet I 105 of the cabinet I 101 are separately positioned on the two of continuous S-shaped water channel I 102
End.Water channel partition panel 103, the water channel partition are provided at the liquid outlet I 105 close to the continuous S-shaped water channel I 102
Plate 103 is arranged perpendicular to the flow direction of coolant liquid, prevents the coolant liquid in the cabinet I 101 directly from the liquid outlet I
105 outflow cooling systems.
Referring to attached drawing 3.The upper cover I 110 of the middle layer cooling device 100 is provided with inlet II 112, liquid outlet II 111,
The liquid outlet II 111 is arranged before the water channel partition panel 103, and close to the water channel partition panel 103；The inlet
II 112 are arranged after the water channel partition panel 103.
The auxiliary cooling device 200 of the integrated form controller cooling system is fixedly mounted on the upper of the circuit board 106
Side, is equipped with heat-conducting silica gel sheet 209, the heat-conducting silica gel sheet between the auxiliary cooling device 200 and the circuit board 106
209 are close to auxiliary cooling device lower surface, increase the area of conduction heat, are conducive to the heat for conducting controller upper layer, improve cold
But the radiating efficiency of system, referring to attached drawing 1.
Referring to attached drawing 1,4,5.The auxiliary cooling device 200 includes cabinet II 201, upper cover II 202, the cabinet II
Water channel II 205 is provided in 201, the water channel II 205 is continuous S-shaped.The cabinet II 201 is provided with inlet III 203, goes out
Liquid mouth III 204, and the inlet III 203, liquid outlet III 204 are separately positioned on the both ends of continuous S-shaped water channel II 205；It is described
Inlet III 203 is connected to by water pipeline with the liquid outlet II 111 of the upper cover I 110 of the middle layer cooling device 100；It is described go out
Liquid mouth III 204 is connected to by water pipeline with the inlet II 112 of the upper cover I 110 of the middle layer cooling device 100.
The water channel II 205 of the auxiliary cooling device 200 is connected to the water channel I 102 of middle layer cooling device 100, by water pump
Coolant liquid is provided to the cooling system.
Further, the coolant liquid that the water pump provides passes through cabinet I 101 of the water pipeline through the middle layer cooling device 100
Inlet I 104 enter cooling system, coolant liquid successively pass through the middle layer cooling device 100, auxiliary cooling device 200 it
After be returned in the middle layer cooling device 100, the coolant liquid is gone out by the cabinet I 101 of the middle layer cooling device 100
Liquid mouth I 105 enters vehicle coolant liquid radiator through water pipeline.
Referring to attached drawing 6.The circuit board 106 and the cabinet II 201 of the auxiliary cooling device 200 are solid by bolt 206
Fixed connection.Preferably, the fixed column 109 and upper cover I 110 are integral type, are provided with threaded hole in the fixed column 109,
The bolt 206 by the cabinet II 201 of the auxiliary cooling device 200, the controller box upper layer circuit board 106 and
The upper cover I 110 of the middle layer cooling device 100 is fixedly connected.
Further, the bolt 206 from top to bottom sequentially passes through the connection of spring washer 207, washer 208, cabinet II 201
Through-hole, heat-conducting silica gel sheet 209, circuit board 106 connection through-hole after, with the upper cover I 110 of the middle layer cooling device 100
Fixed leg of circuit board 109 is fixedly connected.When assembling the bolt 206, screw thread glue is smeared at screw thread, is prevented because of vehicle driving mistake
Vibration in journey causes bolt looseness.Preferably, the bolt 206 is along II 201 outside of cabinet of the auxiliary cooling device 200
It is uniformly distributed.
The cabinet II 201 of the auxiliary cooling device 200 is fixedly connected with upper cover II 202, the cabinet II 201 and upper cover
II 202 contact faces are provided with annular groove, are equipped with sealing ring in the annular groove.
Current through line of the coolant liquid in the utility model integrated form controller cooling system is as follows,
Firstly, coolant liquid enters the water channel I 102 from the inlet I 104 of 100 cabinet I 101 of middle layer cooling device,
Coolant liquid flows through the water channel I 102 of S-shaped, before the water channel partition panel 103 at the nearly liquid outlet I 105, through the upper cover I
110 liquid outlet II 111 and connection water pipeline enter the inlet III 203 of the cabinet II 201 of the auxiliary cooling device 200；
Later, the coolant liquid flows through the continuous S-shaped water channel II 205 of 200 cabinet II 201 of auxiliary cooling device, leads to
The liquid outlet III 204 for crossing the cabinet II 201 enters the inlet II 112 of the upper cover I 110 through water pipeline, returns in described
In layer cooling device 100；
Then, the coolant liquid flows to vehicle coolant liquid through water pipeline by the liquid outlet I 105 of middle layer cooling device 100
Radiator.
Water pipeline involved in the utility model is soft materials, can be bent inside controller according to space with pipeline
State be arranged connection, specific material is PA12 nylon, PA12 nylon have impact resistance, against weather, chemical resistance,
Wear-resistant, extremely low water imbibition and good dimensional stability, there is the features such as splendid impact resistance in low temperature.The water pipe
Line and the cabinet I 101, cabinet II 201, the inlet of upper cover I 110, liquid outlet pipeline connect and be fixed using clip.
The utility model can also be designed according to actual needs, and the quantity of the circuit board 106 can be 1 piece or 1
It is more than block.
In order to enable the heat dissipation effect of cooling device is more preferable, the setting heat dissipation row in the water channel I 102 and water channel II 205
108, the water (flow) direction along water channel of heat dissipation row 108 is arranged.
The cabinet I 101 of the middle layer cooling device 100, upper cover I 110 and auxiliary cooling device 200 cabinet II 201,
The material of upper cover II 202 is cast aluminium, and heat transfer is fast while proof strength, and light-weight.
Coolant liquid used in the utility model can be water, or other easily absorb the liquid of heat, such as: cooling
Oil etc..It further, can be room temperature into the coolant liquid of the middle layer cooling device 100, or lower than the liquid of room temperature
Body.
It should be noted that above-described embodiment is exemplary rather than the limitation present invention, those skilled in the art will be designed very
Scope of the claims of more alternate embodiments without departing from this patent.
Claims (10)
1. a kind of integrated form controller cooling system, middle layer and upper layer including controller box, middle layer are cooling device, upper layer
It is provided with circuit board and component, I side of cabinet of middle layer cooling device is provided with inlet I, liquid outlet I, setting in cabinet I
There is a water channel I, the upper surface of cabinet I is fixedly installed with upper cover I, and cabinet I and I contact face of upper cover are provided with annular groove, in annular groove
Sealing ring is installed, it is characterized in that:
The upper surface of described upper cover I is provided with the fixed column of circuit board；The circuit board on upper layer is fixedly mounted in fixed column, circuit board
On component be located at below circuit board in be inverted shape；
The integrated form controller cooling system further includes auxiliary cooling device, and the auxiliary cooling device is fixedly mounted on described
The top of circuit board is equipped with heat-conducting silica gel sheet between the auxiliary cooling device and the circuit board；
The water channel II of the auxiliary cooling device is connected to the water channel I of middle layer cooling device, is mentioned from water pump to the cooling system
For coolant liquid.
2. integrated form controller cooling system according to claim 1, it is characterized in that: the cabinet I of the middle layer cooling device
It is inside provided with water channel I, the water channel I is continuous S-shaped, and inlet I, the liquid outlet I of the cabinet I are separately positioned on continuous S-shaped
The both ends of water channel I；It is provided with water channel partition panel at the liquid outlet I close to the continuous S-shaped water channel I, prevents the cabinet I
Interior coolant liquid is directly flowed out from the liquid outlet I；
The upper cover I of the middle layer cooling device is provided with inlet II, liquid outlet II, and the liquid outlet II is arranged in the water channel
Before partition panel, and close to the water channel partition panel；The inlet II is arranged after the water channel partition panel.
3. integrated form controller cooling system according to claim 2, it is characterized in that: the auxiliary cooling device includes cabinet
II, upper cover II, water channel II is provided in the cabinet II, and the water channel II is continuous S-shaped；The cabinet II is provided with inlet
III, liquid outlet III, and it is separately positioned on the both ends of continuous S-shaped water channel II；
The inlet III is connected to by water pipeline with the liquid outlet II of the upper cover I；The liquid outlet III by water pipeline with
The inlet II of the upper cover I is connected to.
4. integrated form controller cooling system according to claim 3, it is characterized in that: the coolant liquid that the water pump provides passes through
The inlet I of cabinet I of the water pipeline through the middle layer cooling device enters cooling system, and it is cold that coolant liquid successively passes through the middle layer
But it is returned in the middle layer cooling device after device, auxiliary cooling device, the coolant liquid passes through the cooling dress in the middle layer
The liquid outlet I for the cabinet I set enters vehicle coolant liquid radiator through water pipeline.
5. integrated form controller cooling system according to claim 4, it is characterized in that: the coolant liquid is cooling from the middle layer
The inlet I of device box I enters the water channel I, and coolant liquid flows through the water channel I of S-shaped, at the nearly liquid outlet I described in
Before water channel partition panel, liquid outlet II and connection water pipeline through the upper cover I enter the cabinet II of the auxiliary cooling device
Inlet III；
After the coolant liquid flows through the continuous S-shaped water channel II of the cabinet II of the auxiliary cooling device, pass through the cabinet II
Liquid outlet III through water pipeline enter the upper cover I inlet II, return to the middle layer cooling device；
Then the coolant liquid flows to vehicle coolant liquid radiator through water pipeline by the liquid outlet I of middle layer cooling device.
6. integrated form controller cooling system according to claim 5, it is characterized in that: the circuit board and the supplement heat rejecter
The cabinet II of device is bolted to connection.
7. integrated form controller cooling system according to claim 6, it is characterized in that: the bolt from top to bottom sequentially passes through
Spring washer, washer, cabinet II connection through-hole, heat-conducting silica gel sheet, circuit board connection through-hole after, with the upper cover I
Fixed leg of circuit board is fixedly connected.
8. integrated form controller cooling system according to claim 3, it is characterized in that: the cabinet II of the auxiliary cooling device
It is fixedly connected with upper cover II, the cabinet II is provided with annular groove with II contact face of upper cover, is equipped in the annular groove close
Seal.
9. -7 any integrated form controller cooling system according to claim 1, it is characterized in that: the quantity of the circuit board is
1 piece or 1 piece or more.
10. according to any integrated form controller cooling system of claim 3-5, it is characterized in that: the material of the water pipeline
For PA12 nylon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822168528.6U CN209479597U (en) | 2018-12-24 | 2018-12-24 | A kind of integrated form controller cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822168528.6U CN209479597U (en) | 2018-12-24 | 2018-12-24 | A kind of integrated form controller cooling system |
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| Publication Number | Publication Date |
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| CN209479597U true CN209479597U (en) | 2019-10-11 |
Family
ID=68127007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201822168528.6U Active CN209479597U (en) | 2018-12-24 | 2018-12-24 | A kind of integrated form controller cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209479597U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111163585A (en) * | 2020-01-10 | 2020-05-15 | 珠海格力电器股份有限公司 | Circuit board for controller and controller |
-
2018
- 2018-12-24 CN CN201822168528.6U patent/CN209479597U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111163585A (en) * | 2020-01-10 | 2020-05-15 | 珠海格力电器股份有限公司 | Circuit board for controller and controller |
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