CN220134287U - Cooling structure of high-voltage electronic water pump controller - Google Patents
Cooling structure of high-voltage electronic water pump controller Download PDFInfo
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- CN220134287U CN220134287U CN202321618555.3U CN202321618555U CN220134287U CN 220134287 U CN220134287 U CN 220134287U CN 202321618555 U CN202321618555 U CN 202321618555U CN 220134287 U CN220134287 U CN 220134287U
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- runner
- rotor
- controller
- water pump
- cooling block
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- 238000001816 cooling Methods 0.000 title claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 230000007704 transition Effects 0.000 claims abstract description 12
- 230000008676 import Effects 0.000 claims 2
- 238000000034 method Methods 0.000 claims 1
- 239000000110 cooling liquid Substances 0.000 abstract description 11
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a cooling structure of a high-voltage electronic water pump controller, which comprises a motor stator, a rotor, a front bearing cover, a rear bearing cover, a volute, an impeller, a bearing, a casing, a cooling block, a rear cover, a controller, a water pump inlet and a water pump outlet. The spiral case chamber is communicated with the impeller runner, the impeller runner is communicated with the transition runner, the transition runner is communicated with the rotor chamber runner, the rotor chamber runner is communicated with the rear bearing cover runner and the rotor center runner, the rear bearing cover runner is connected with the water inlet of the cooling block runner, and the water outlet of the cooling block runner is communicated with the rotor chamber runner. The utility model increases the contact area between the power module of the controller and the cooling liquid, and the pipe wall of the cooling block flow channel is tightly attached to the power module of the controller, so that the cooling liquid flowing through the cooling block flow channel can quickly take away the heat transferred to the pipe wall by the power module of the controller, the controller can obtain better heat dissipation, and the effective service life of the controller is ensured.
Description
Technical Field
The utility model belongs to the technical field of electronic water pumps, and particularly relates to a cooling structure of a high-voltage electronic water pump controller.
Background
The utility model discloses a high-pressure electronic water pump cooling structure. When the water pump works, the power module on the controller can generate a large amount of heat due to power loss, and heat needs to be dissipated in time, otherwise, the reliability of the chip on the controller is seriously affected. The existing electronic water pump takes away heat generated during the operation of the motor and the controller only through the flowing of cooling liquid in a motor rotor cavity in the water pump, so that the aim of cooling is fulfilled. However, due to the limitation of the internal structure arrangement of the water pump, the flow of the cooling liquid contacted by the controller is limited, so that the cooling effect on the controller is poor.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a high-voltage electronic water pump controller cooling structure which can enable a controller to obtain better heat dissipation effect and effectively prolong the service life of the controller.
According to the technical scheme provided by the utility model, the cooling structure of the high-pressure electronic water pump controller comprises a volute, a shell and a rear cover, wherein the volute is provided with a volute cavity, the volute is fixed at the front end part of the shell, the rear cover is fixed at the rear end part of the shell, the controller is fixed in the rear end part of the shell, a water pump inlet and a water pump outlet are fixed on the volute, the water pump inlet is communicated with the water pump outlet through the volute cavity, a front bearing cover is arranged at the rear end of the inner circle of the volute, a rear bearing cover is arranged in the middle of the inner circle of the shell, a cooling block is fixed on the rear end surface of the rear bearing cover, a power module on the controller is in contact with the outer surface of the cooling block, the front bearing cover, the rear bearing cover and the shell enclose a closed stator cavity, a rotor cavity is arranged at the inner side of the stator cavity, a motor stator is arranged in the inner circle of the shell corresponding to the position between the front bearing cover and the rear bearing cover, and the motor stator is positioned in the stator cavity;
bearings are arranged in the front bearing cover and the rear bearing cover, a motor shaft is arranged in an inner ring of the bearing, a motor rotor is fixed on the motor shaft, the motor rotor is positioned in a rotor cavity and matched with a motor stator, the motor rotor and the motor stator are electrically connected with a controller, an impeller is fixed at the front end part of the motor shaft, and an impeller runner and an impeller backwater hole are arranged on the impeller;
a transition flow passage is arranged between the impeller and the front bearing cover, a rotor cavity flow passage is arranged in the rotor cavity, a rear bearing cover flow passage is arranged in the rear bearing cover, a rotor center flow passage is arranged in the motor shaft, and a cooling block flow passage is arranged in the cooling block;
the spiral case chamber is communicated with the impeller runner, the impeller runner is communicated with the transition runner, the transition runner is communicated with the rotor chamber runner, the rotor chamber runner is communicated with the rear bearing cover runner and the rotor center runner, the rear bearing cover runner is connected with the water inlet of the cooling block runner, and the water outlet of the cooling block runner is communicated with the rotor chamber runner.
Preferably, the rotor central flow channel and the motor shaft are coaxially arranged, and the front end and the rear end of the rotor central flow channel are respectively arranged on the front end face and the rear end face of the motor shaft.
Preferably, a radiating fin is arranged on the outer circle of the shell corresponding to the stator position of the motor.
Preferably, the cooling block flow channel is adjacent to an outer surface of the cooling block in contact with a power module on the controller.
The utility model increases the contact area between the power module of the controller and the cooling liquid, and the pipe wall of the cooling block flow channel is tightly attached to the power module of the controller, so that the cooling liquid flowing through the cooling block flow channel can quickly take away the heat transferred to the pipe wall by the power module of the controller, the controller can obtain better heat dissipation, and the effective service life of the controller is ensured. The utility model has small change to the whole structure of the existing water pump, ensures that the whole size of the water pump has small variation, and is simple and reliable to assemble.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a cross-sectional view A-A of fig. 1.
Detailed Description
The utility model will be further illustrated with reference to specific examples.
The cooling structure of the high-voltage electronic water pump controller comprises a volute 4, a shell 8 and a rear cover 10, wherein the volute 4 is provided with a volute cavity 4.1, the volute 4 is fixed at the front end part of the shell 8, the rear cover 10 is fixed at the rear end part of the shell 8, a controller 11 is fixed inside the rear end of the shell 8, a water pump inlet 12 and a water pump outlet 13 are fixed on the volute 4, the water pump inlet 12 is communicated with the water pump outlet 13 through the volute cavity 4.1, a front bearing cover 3 is arranged at the rear end of the inner circle of the volute 4, a rear bearing cover 7 is arranged in the middle of the inner circle of the shell 8, a cooling block 9 is fixed on the rear end surface of the rear bearing cover 7, a power module on the controller 11 is in contact with the outer surface of the cooling block 9, the front bearing cover 3, the rear bearing cover 7 and the shell 8 enclose a closed stator cavity, a rotor cavity is arranged inside the stator cavity, and a motor stator 1 is arranged inside the inner circle of the shell 8 at a position between the corresponding front bearing cover 3 and the rear bearing cover 7;
the front bearing cover 3 and the rear bearing cover 7 are internally provided with bearings 6, a motor shaft is arranged in an inner ring of the bearings 6, a motor rotor 2 is fixed on the motor shaft, the motor rotor 2 is positioned in a rotor cavity, the motor rotor 2 is matched with the motor stator 1, the motor rotor 2 and the motor stator 1 are electrically connected with a controller 11, an impeller 5 is fixed at the front end part of the motor shaft, and an impeller runner 5.1 and an impeller backwater hole 5.2 are arranged on the impeller 5;
a transition flow passage 14 is arranged between the impeller 5 and the front bearing cover 3, a rotor cavity flow passage 15 is arranged in a rotor cavity, a rear bearing cover flow passage 16 is arranged in the rear bearing cover 7, a rotor center flow passage 17 is arranged in a motor shaft, and a cooling block flow passage 18 is arranged in the cooling block 9;
the volute cavity 4.1 is communicated with the impeller runner 5.1, the impeller runner 5.1 is communicated with the transition runner 14, the transition runner 14 is communicated with the rotor cavity runner 15, the rotor cavity runner 15 is communicated with the rear bearing cover runner 16 and the rotor center runner 17, the rear bearing cover runner 16 is connected with the water inlet of the cooling block runner 18, and the water outlet of the cooling block runner 18 is communicated with the rotor cavity runner 15.
The rotor central runner 17 and the motor shaft are coaxially arranged, and the front end and the rear end of the rotor central runner 17 are respectively arranged on the front end face and the rear end face of the motor shaft.
The outer circle of the shell 8 corresponding to the motor stator 1 is provided with the radiating fins 8.1, so that the strength of the shell 8 can be improved and the shell 8 can radiate heat.
The cooling block flow channel 18 is close to the outer surface of the cooling block 9 contacted with the power module on the controller 11, so that the heat dissipation effect of the power module on the controller 11 is improved.
During operation, the cooling liquid entering the water pump through the water pump inlet 12 rotates to generate centrifugal force, the cooling liquid is conveyed to the transition flow passage 14 between the impeller 5 and the front bearing cover 3 through the impeller flow passage 5.1, passes through the bearing 6, and is introduced into the cooling block flow passage 18 in the cooling block 9 through the rotor cavity flow passage 15 and the rear bearing cover flow passage 16, and after the cooling liquid takes away the heat transferred to the cooling block 9 by the power module on the controller 11, the cooling liquid exchanges heat with the cooling liquid in the cooling block flow passage 18, and finally flows back to the vicinity of the water pump inlet 12 through the impeller return water hole 5.2 on the impeller 5 to form a complete controller cooling circulation passage. The whole structure is compact and reliable, the installation is simple, and better heat dissipation conditions are created for the controller 11.
Claims (4)
1. The utility model provides a high-voltage electronic water pump controller cooling structure, including spiral case (4), casing (8) and back lid (10), spiral case (4) have spiral case chamber (4.1), spiral case (4) are fixed at the front end of casing (8), back lid (10) are fixed at the rear end of casing (8), be fixed with controller (11) in the rear end inside of casing (8), be fixed with water pump import (12) and water pump export (13) on spiral case (4), water pump import (12) are through spiral case chamber (4.1) and water pump export (13) intercommunication, be equipped with front bearing cap (3) at the interior circle rear end of spiral case (4), be equipped with back bearing cap (7) at the interior circle middle part of casing (8), the rear end face at back bearing cap (7) is fixed with cooling block (9), power module and the surface contact of cooling block (9) on controller (11), front bearing cap (3), back bearing cap (7) and casing (8) enclose into airtight stator chamber, the inboard of stator chamber is rotor chamber, be equipped with stator (1) in the position between corresponding front bearing cap (3) and stator (8);
the motor is characterized in that bearings (6) are arranged in the front bearing cover (3) and the rear bearing cover (7), a motor shaft is arranged in an inner ring of the bearing (6), a motor rotor (2) is fixed on the motor shaft, the motor rotor (2) is positioned in a rotor cavity, the motor rotor (2) is matched with a motor stator (1), the motor rotor (2) and the motor stator (1) are electrically connected with a controller (11), an impeller (5) is fixed at the front end part of the motor shaft, and an impeller runner (5.1) and an impeller backwater hole (5.2) are arranged on the impeller (5);
the method is characterized in that: a transition flow passage (14) is arranged between the impeller (5) and the front bearing cover (3), a rotor cavity flow passage (15) is arranged in the rotor cavity, a rear bearing cover flow passage (16) is arranged in the rear bearing cover (7), a rotor center flow passage (17) is arranged in the motor shaft, and a cooling block flow passage (18) is arranged in the cooling block (9);
the spiral case chamber (4.1) is communicated with the impeller runner (5.1), the impeller runner (5.1) is communicated with the transition runner (14), the transition runner (14) is communicated with the rotor chamber runner (15), the rotor chamber runner (15) is communicated with the rear bearing cover runner (16) and the rotor center runner (17), the rear bearing cover runner (16) is connected with the water inlet of the cooling block runner (18), and the water outlet of the cooling block runner (18) is communicated with the rotor chamber runner (15).
2. The high-voltage electronic water pump controller cooling structure of claim 1, characterized in that: the rotor central flow passage (17) and the motor shaft are coaxially arranged, and the front end and the rear end of the rotor central flow passage (17) are respectively arranged on the front end face and the rear end face of the motor shaft.
3. The high-voltage electronic water pump controller cooling structure of claim 1, characterized in that: and the outer circle of the shell (8) corresponding to the motor stator (1) is provided with radiating fins (8.1).
4. The high-voltage electronic water pump controller cooling structure of claim 1, characterized in that: the cooling block flow channel (18) is close to the outer surface of the cooling block (9) which is in contact with the power module on the controller (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321618555.3U CN220134287U (en) | 2023-06-25 | 2023-06-25 | Cooling structure of high-voltage electronic water pump controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321618555.3U CN220134287U (en) | 2023-06-25 | 2023-06-25 | Cooling structure of high-voltage electronic water pump controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220134287U true CN220134287U (en) | 2023-12-05 |
Family
ID=88949666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321618555.3U Active CN220134287U (en) | 2023-06-25 | 2023-06-25 | Cooling structure of high-voltage electronic water pump controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220134287U (en) |
-
2023
- 2023-06-25 CN CN202321618555.3U patent/CN220134287U/en active Active
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