Self-circulation cooling system for electronic water pump and electronic water pump

Abstract

The utility model discloses an electronic water pump self-circulation cooling system and an electronic water pump, the electronic water pump self-circulation cooling system comprises a pump body, the pump body comprises a pump shell, the pump shell is internally provided with a pump cavity, the pump cavity is internally provided with a separation seat, and an installation heat dissipation space is formed below the separation seat; a liquid flow channel is formed above the separation seat, an output port and an input port are formed in the bottom of the separation seat, and the output port and the input port are both communicated with the liquid flow channel; the electric control board is mounted in the mounting heat dissipation space; the heat dissipation water tank is installed in the installation heat dissipation space and provided with a liquid inlet communicated with the output port and a liquid outlet communicated with the input port. The special installation heat dissipation space is arranged in the pump body, the electric control board and the heat dissipation water tank are integrated in the same space, compact space utilization and efficient heat exchange are achieved, water cooling circulation of a liquid flow channel can take away heat of the installation heat dissipation space, the working temperature of the electric control board is effectively reduced, and the service life of the electric control board is prolonged. The risk of electronic component damage caused by overheating is reduced, and the service life of the electronic control board is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic water pump technical field, especially, relate to a kind of for electronic water pump self-circulation cooling system and electronic water pump. BACKGROUND

[0002] The automobile industry is undergoing technological innovation, especially in the power system and thermal management field. Traditional internal combustion engine vehicles improve power through turbocharging, while new energy vehicles achieve energy saving and environmental protection through hybrid power and pure electric drive. Under such background, electronic water pump, as a key component of automobile thermal management system, its purpose and importance are increasingly prominent. Electronic water pump is mainly used for vehicle preheating system, automobile engine cooling circulation, hydrogen fuel cell thermal management system, new energy vehicle driving system and electric vehicle battery cooling system. They rotate the impeller driven by brushless motor to increase the pressure of liquid, realize the circulation of coolant, and effectively dissipate heat. Compared with traditional mechanical water pump, electronic water pump has the advantages of compact structure, easy installation, flexible control, reliable performance, low power consumption and high efficiency.

[0003] However, the existing electronic water pump has general heat dissipation effect on the electronic control board on the electronic water pump, which can easily cause high temperature of the electronic control board and reduce the service life of electronic components on the electronic control board. UTILITY MODEL CONTENT

[0004] The utility model aims to solve one of the technical problems existing in the prior art. To this end, the utility model provides a kind of for electronic water pump self-circulation cooling system and electronic water pump.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A kind of for electronic water pump self-circulation cooling system, comprising: pump body, including pump shell, the pump shell is equipped with pump cavity, the pump cavity is equipped with the partition seat, the partition seat lower portion is formed with installation heat dissipation space;The partition seat upper portion is formed with liquid flow channel, the partition seat bottom has output and input, the output and input are communicated with liquid flow channel;Electronic control board, installation is in installation heat dissipation space;Radiating water tank, installation is in installation heat dissipation space, is equipped with with the output of liquid inlet and the input of liquid outlet.

[0007] Further, the partition seat bottom is equipped with the water outlet pipe and water inlet pipe that protrude downward, the output is formed in water outlet pipe, the input is formed in water inlet pipe, the radiating water tank upper end is equipped with water inlet pipe and water outlet pipe, the liquid inlet is formed in water inlet pipe, the liquid outlet is formed in water outlet pipe, the water outlet pipe is connected with water inlet pipe, the water inlet pipe is connected with water outlet pipe.

[0008] Further, the outer peripheral wall of the water outlet pipe and the water inlet pipe is provided with a ring cutting groove, the water inlet clamp pipe and the water outlet clamp pipe are provided with an upward extending extension strip, and the extension strip is provided with a buckle protrusion embedded in the ring cutting groove.

[0009] Further, a plurality of groups of the extension strip and the buckle protrusion are arranged in a spaced surrounding manner.

[0010] Further, the outer peripheral wall of the water outlet pipe and the water inlet pipe is provided with a sealing groove, and the sealing groove is embedded with a sealing ring.

[0011] Further, the heat dissipation water tank is formed with an inner flow channel extending spirally from the liquid inlet to the liquid outlet.

[0012] Further, the heat dissipation water tank is provided with a curved extension flow guide plate to form the spirally extending inner flow channel.

[0013] Further, the electric control board is fixedly installed at the bottom of the partition seat, and the electric control board is provided with an avoiding hole through which the water outlet pipe and the water inlet pipe pass.

[0014] Further, the partition seat is provided with a connecting column, and the connecting column and the electric control board are provided with corresponding hole positions to be connected and fixed by fasteners.

[0015] An electronic water pump comprises the self-circulation cooling system for the electronic water pump.

[0016] The utility model has the advantages of the following beneficial effects:

[0017] By arranging a special installation heat dissipation space in the pump body, the electric control board and the heat dissipation water tank are integrated in the same space, compact space utilization and efficient heat exchange are realized, the water cooling circulation of the liquid flow channel can take away the heat of the installation heat dissipation space, the working temperature of the electric control board is effectively reduced, the risk of damage of electronic components caused by overheating is reduced, and the service life of the electric control board is improved.

[0018] In addition to the purposes, features and advantages described above, the utility model has other purposes, features and advantages. The utility model will be further described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings constituting a part of the present application are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and the description thereof are used to explain the utility model and do not constitute an improper limitation on the utility model. In the drawings:

[0020] Figure 1It is the principle schematic view of the utility model;

[0021] Figure 2 It is the internal sectional view of the utility model;

[0022] Figure 3 It is the connecting structure schematic view of the partition seat and the radiating water tank;

[0023] Figure 4 It is Figure 3 The exploded state structure schematic view of;

[0024] Figure 5 It is the internal structure schematic view of the radiating water tank;

[0025] Figure 6 It is the exploded state structure schematic view of the partition seat and the electric control board.

[0026] Legend:

[0027] Pump body 100, pump shell 110, pump cavity 111, partition seat 120, water outlet pipe 121, water inlet pipe 122, ring cutting groove 123, sealing groove 124, sealing ring 125, connecting column 126, installation radiating space 130, liquid flow channel 140, output port 141, input port 142, stator 150, rotor 160, first sealing sleeve 170, second sealing sleeve 180, rotating shaft 190, impeller 191, cover 192;

[0028] Electric control board 200, avoiding hole 210;

[0029] Radiating water tank 300, liquid inlet 310, water inlet clamp pipe 311, liquid outlet 320, water outlet clamp pipe 321, extension strip 330, buckle protrusion 331, inner flow channel 340, flow guide plate 350. Specific implementation

[0030] It should be understood that the specific embodiments described herein are merely intended to explain the present application, and are not intended to limit the present application.

[0031] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.

[0033] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor in the protection scope required by the present application.

[0034] Please refer to Figure 1 and Figure 2 The present application provides a preferred embodiment of an electronic water pump self-circulation cooling system, which comprises a pump body 100, an electric control board 200 and a heat dissipation water tank 300.

[0035] The pump body 100 comprises a pump shell 110, the pump shell 110 is provided with a pump cavity 111, the pump cavity 111 is provided with a partition seat 120, the partition seat 120 is formed with an installation heat dissipation space 130 below; the partition seat 120 is formed with a liquid flow channel 140 above, the partition seat 120 is provided with an output port 141 and an input port 142 at the bottom, and the output port 141 and the input port 142 are communicated with the liquid flow channel 140. The partition seat 120 is provided with a stator 150 and a rotor 160 above, the inner side of the stator 150 is provided with a first sealing sleeve 170, the outer side of the rotor 160 is provided with a second sealing sleeve 180, and the first sealing sleeve 170 and the second sealing sleeve 180 are provided with a part of the liquid flow channel 140, the space between the first sealing sleeve 170 and the second sealing sleeve 180 is communicated with the output port 141, the rotor 160 is provided with a rotating shaft 190 in the center, the rotating shaft 190 is hollow to form a part of the liquid flow channel 140, and the center of the rotating shaft 190 is communicated with the input port 142. The rotating shaft 190 is provided with an impeller 191 at the upper end, and the impeller 191 is provided with a cover 192.

[0036] The electric control board 200 is installed in the installation heat dissipation space 130. The heat dissipation water tank 300 is installed in the installation heat dissipation space 130, and the heat dissipation water tank 300 is provided with a liquid inlet 310 communicated with the output port 141 and a liquid outlet 320 communicated with the input port 142.

[0037] The utility model provides a kind of for electronic water pump self-circulation cooling system, by being specially arranged in the pump body inside installation heat dissipation space 130, control panel 200 and heat dissipation water tank 300 are integrated in the same space, realize the compact space utilization and efficient heat exchange, and heat dissipation water tank 300 outer surface is big, fully contact with the hot air of installation heat dissipation space 130, greatly improve the heat exchange area, improve the heat dissipation efficiency, so that the water cooling circulation of liquid flow passage 140 can take away the heat of installation heat dissipation space 130, effectively reduce the working temperature of control panel 200, reduce the risk of electronic component damage due to overheating, improve the life of control panel 200. Utilize the cooperation of liquid flow passage 140 in pump cavity and output 141, inlet 310, input 142, outlet 320, form liquid cooling flow path, can realize the cooling liquid circulation in electronic water pump, improve the heat dissipation efficiency.

[0038] With reference to Figures 1 to 4 In some embodiments of the utility model, the bottom of the partition seat 120 is provided with a water outlet pipe 121 and a water inlet pipe 122 protruding downward, the output 141 is formed in the water outlet pipe 121, the input 142 is formed in the water inlet pipe 122, the upper end of the heat dissipation water tank 300 is provided with a water inlet clamp pipe 311 and a water outlet clamp pipe 321, the inlet 310 is formed in the water inlet clamp pipe 311, the outlet 320 is formed in the water outlet clamp pipe 321, the water outlet pipe 121 is connected with the water inlet clamp pipe 311, and the water inlet pipe 122 is connected with the water outlet clamp pipe 321, so as to realize the communication between the heat dissipation water tank 300 and the liquid flow passage 140 and realize the water flow.

[0039] With reference to Figures 1 to 4 In further embodiments of the utility model, the outer peripheral wall of the water outlet pipe 121 and the water inlet pipe 122 is provided with a ring cutting groove 123, the upper end of the water inlet clamp pipe 311 and the water outlet clamp pipe 321 is provided with an extension strip 330 extending upward, the extension strip 330 is provided with a buckle protrusion 331 for embedding in the ring cutting groove 123, the buckle protrusion 331 is embedded in the ring cutting groove 123 to realize the buckle connection of the pipeline, so as to facilitate installation.

[0040] With reference to Figures 1 to 4 In further embodiments of the utility model, a plurality of groups of the extension strip 330 and the buckle protrusion 331 are arranged at intervals to realize multi-position connection and improve the stability of connection.

[0041] With reference to Figure 4 In further embodiments of the utility model, the outer peripheral wall of the water outlet pipe 121 and the water inlet pipe 122 is provided with a sealing groove 124, and the sealing groove 124 is embedded with a sealing ring 125 to improve the sealing performance and avoid liquid leakage to damage the control panel 200.

[0042] With reference to Figure 5In further embodiments of the present application, the heat dissipation water tank 300 is provided with a curvedly extending flow guide plate 350, the flow guide plate 350 separates the liquid inlet 310 and the liquid outlet 320, thereby guiding the liquid to flow spirally in the heat dissipation water tank 300, and forming the spirally extending inner flow channel 340. The heat dissipation water tank 300 is circular in shape as a whole.

[0043] With reference to Figure 5 In further embodiments of the present application, the heat dissipation water tank 300 is provided with a curvedly extending flow guide plate 350, the flow guide plate 350 separates the liquid inlet 310 and the liquid outlet 320, thereby guiding the liquid to flow spirally in the heat dissipation water tank 300, and forming the spirally extending inner flow channel 340. The heat dissipation water tank 300 is circular in shape as a whole.

[0044] With reference to Figure 6 In further embodiments of the present application, the electric control board 200 is fixedly installed at the bottom of the partition seat 120, thereby facilitating installation, and part of the heat can be transferred to the partition seat 120, which is more conducive to heat dissipation. The electric control board 200 is provided with an avoiding hole 210 through which the water outlet pipe 121 and the water inlet pipe 122 pass, thereby avoiding structural interference, and the electric control board 200 is positioned.

[0045] With reference to Figure 5 In further embodiments of the present application, the partition seat 120 is provided with a connecting column 126, the connecting column 126 and the electric control board 200 are provided with corresponding hole positions to be connected and fixed by fasteners, thereby realizing the connection between the electric control board 200 and the partition seat 120, and the fasteners can be screws.

[0046] The present application also provides an electronic water pump, which comprises a self-circulation cooling system for the electronic water pump.

[0047] The above is only the preferred embodiments of the present application, and is not used to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An electronic water pump self-circulation cooling system, characterized by, The utility model relates to a kind of electronic water pump self-circulation cooling system, including: Pump body (100), including pump shell (110), the pump cavity (111) is equipped in the pump shell (110), the partition seat (120) is equipped in the pump cavity (111), and installation heat dissipation space (130) is formed below the partition seat (120);Liquid flow channel (140) is formed above the partition seat (120), and the bottom of the partition seat (120) has output port (141) and input port (142), and output port (141) and input port (142) are communicated with liquid flow channel (140); Electronic control board (200) is installed in installation heat dissipation space (130); Heat dissipation water tank (300) is installed in installation heat dissipation space (130), and inlet (310) is communicated with output port (141), and outlet (320) is communicated with input port (142).

2. The electronic water pump self-circulation cooling system according to claim 1, characterized by, The bottom of the partition seat (120) is provided with downwardly protruding water outlet pipe (121) and water inlet pipe (122), the output port (141) is formed in the water outlet pipe (121), the input port (142) is formed in the water inlet pipe (122), the upper end of the heat dissipation water tank (300) is provided with water inlet clamp pipe (311) and water outlet clamp pipe (321), the inlet (310) is formed in the water inlet clamp pipe (311), the outlet (320) is formed in the water outlet clamp pipe (321), the water outlet pipe (121) is connected with the water inlet clamp pipe (311), and the water inlet pipe (122) is connected with the water outlet clamp pipe (321).

3. The electronic water pump self-circulation cooling system according to claim 2, characterized by, The outer peripheral wall of the water outlet pipe (121) and the water inlet pipe (122) is provided with a ring cutting groove (123), the upper end of the water inlet clamp pipe (311) and the water outlet clamp pipe (321) is provided with an extension strip (330) extending upward, and the extension strip (330) is provided with a buckle protrusion (331) embedded in the ring cutting groove (123).

4. The electronic water pump self-circulation cooling system according to claim 3, characterized by, The extension strip (330) and the buckle protrusion (331) are arranged in multiple groups.

5. The electronic water pump self-circulation cooling system according to claim 2, characterized by, The outer peripheral wall of the water outlet pipe (121) and the water inlet pipe (122) is provided with a sealing groove (124), and the sealing groove (124) is embedded with a sealing ring (125).

6. The electronic water pump self-circulation cooling system according to claim 1, characterized by, The heat dissipation water tank (300) forms an inner flow channel (340) extending spirally from the inlet (310) to the outlet (320).

7. The electronic water pump self-circulation cooling system according to claim 1, characterized by, The heat dissipation water tank (300) is provided with a curved extension guide plate (350) to form the spiral extension inner flow channel (340).

8. The electronic water pump self-circulation cooling system according to claim 2, characterized by, The electronic control board (200) is fixedly installed at the bottom of the partition seat (120), and the electronic control board (200) is provided with an avoidance hole (210) for the water outlet pipe (121) and the water inlet pipe (122) to pass through.

9. The electronic water pump self-circulation cooling system according to claim 8, characterized by, The partition seat (120) is provided with a connecting column (126), and the connecting column (126) and the electronic control board (200) are provided with corresponding hole positions to be connected and fixed by fasteners.

10. An electronic water pump characterized by comprising: The utility model relates to a kind of electronic water pump self-circulation cooling system, including: Pump body (100), including pump shell (110), the pump cavity (111) is equipped in the pump shell (110), the partition seat (120) is equipped in the pump cavity (111), and installation heat dissipation space (130) is formed below the partition seat (120);Liquid flow channel (140) is formed above the partition seat (120), and the bottom of the partition seat (120) has output port (141) and input port (142), and output port (141) and input port (142) are communicated with liquid flow channel (140); Electronic control board (200) is installed in installation heat dissipation space (130); Heat dissipation water tank (300) is installed in installation heat dissipation space (130), and inlet (310) is communicated with output port (141), and outlet (320) is communicated with input port (142). The utility model relates to a kind of electronic water pump self-circulation cooling system, including:

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