Multifunctional bottom cover of electronic water pump

Abstract

The utility model relates to the technical field of multifunctional bottom covers, in particular to a multifunctional bottom cover of an electronic water pump, which improves the heat dissipation effect of a PCBA (Printed Circuit Board Assembly), simultaneously avoids pressure damage to the inside of an aluminum heat dissipation shell caused by air thermal expansion, and is convenient to meet the requirements of products with different powers. Comprising an aluminum heat dissipation shell, a mounting port is formed in the bottom end of the aluminum heat dissipation shell, and a PCBA is mounted in the aluminum heat dissipation shell through the mounting port; the PCBA further comprises a connecting assembly, a ventilation assembly, fins, plug-ins and PINs, the fins are arranged on the outer side wall of the aluminum heat dissipation shell, the plug-ins are installed at the top end of the aluminum heat dissipation shell through the connecting assembly, the plug-ins are arranged to be of different sizes and models, the PINs are installed on the upper portions of the plug-ins and installed on the inner side wall of the plug-ins, the bottom ends of the PINs are communicated with the PCBA, the ventilation assembly is arranged at the bottom ends of the plug-ins, and the ventilation assembly is arranged on the outer side wall of the aluminum heat The ventilation assembly is used for ventilation and heat dissipation in the aluminum heat dissipation shell.

Description

Technical Field

[0001] The utility model relates to the technical field of multifunctional bottom covers, in particular to a multifunctional bottom cover of an electronic water pump. Background Technique

[0002] With the rapid development of technology and the continuous expansion of industrial applications, the electronic water pump, as an essential key device in modern industry, agriculture, and household life, the improvement of its performance and functions has become the focus of the industry. Traditional water pump bottom covers usually have problems such as poor heat dissipation during use.

[0003] For example, in the patent with the authorized announcement number CN211370832U in the prior art, this utility model discloses a water pump end cover, specifically related to the technical field of water pumps, including an end cover edge and a cover body. The cover body is in the shape of a hollow frustum of a cone, and the cover body is fixedly installed on the top surface of the end cover edge. A plurality of fixing ears are fixedly installed on the edge of the end cover edge, and fixing screw holes are opened in the centers of the fixing ears. Heat dissipation fins are installed on the top surface of the cover body, and a shaft seat cavity, a polymer damping sound insulation felt sheet, and a heat conduction cavity are installed inside the cover body. A fixed shaft seat is installed on the top surface of the shaft seat cavity, and a sealing ring is clamped on the bottom surface of the end cover edge.

[0004] When this end cover is used, it is found that this end cover is not convenient to install and use on electronic pumps with different sizes and powers, and it is not convenient to ventilate and permeate heat for the heat-generating components, reducing the convenience of use. Content of the Utility Model

[0005] To solve the above technical problems, the utility model provides a multifunctional bottom cover of an electronic water pump that improves the heat dissipation effect of the PCBA, simultaneously avoids pressure damage to the aluminum heat dissipation shell caused by air thermal expansion, and is convenient to be compatible with the requirements of products with different powers.

[0006] A multifunctional bottom cover of an electronic water pump of the utility model includes an aluminum heat dissipation shell. An installation opening is provided at the bottom end of the aluminum heat dissipation shell, and the PCBA is installed inside the aluminum heat dissipation shell through the installation opening; it also includes a connection component, a ventilation component, fins, a plug, and PIN pins. The fins are arranged on the outer side wall of the aluminum heat dissipation shell. The plug is installed at the top end of the aluminum heat dissipation shell through the connection component, and the plug is set in different sizes and models. The PIN pins are installed on the inner side wall of the upper part of the plug, and the bottom ends of the PIN pins are communicated with the PCBA. The ventilation component is arranged at the bottom end of the plug, and the ventilation component is used for ventilating and dissipating heat inside the aluminum heat dissipation shell; during the use of the electronic pump, the heat generated by the PCBA is transferred to the fins through the aluminum heat dissipation shell, and the PCBA is cooled by the combined action of the aluminum heat dissipation shell and the fins, thereby improving the efficiency of heat dissipation. At the same time, it cooperates with the ventilation component to ventilate and permeate heat inside the aluminum heat dissipation shell, improving the heat dissipation effect of the PCBA, and simultaneously avoiding pressure damage to the aluminum heat dissipation shell caused by air thermal expansion. By using the connection component to disassemble and replace the plug with different models, it is convenient for the bottom cover to be compatible with the requirements of products with different powers.

[0007] Preferably, the ventilation component includes a ring and a ventilation membrane. The bottom end of the plug-in is provided with ventilation holes, the ring is installed on the outer side wall around the ventilation holes, the ventilation membrane is embedded inside the ring and connected to the outer side wall of the plug-in, and the ventilation membrane covers the ventilation holes; the heat in the aluminum heat dissipation housing is discharged outward through the ventilation openings, and at the same time, the pressure inside the aluminum heat dissipation housing is released through the ventilation holes, improving the heat dissipation effect of the PCBA. By providing the ventilation membrane, the protection effect of the ventilation holes is improved, and the entry of outdoor dust and dirt into the interior of the aluminum heat dissipation housing is reduced.

[0008] Preferably, the connection component includes multiple groups of first mounting holes, multiple groups of second mounting holes, and multiple groups of screws. Multiple groups of first mounting holes are all provided on the plug-in, multiple groups of second mounting holes are all provided on the aluminum heat dissipation housing, the positions of multiple groups of first mounting holes and multiple groups of second mounting holes correspond to each other, and multiple groups of screws are respectively installed in multiple groups of first mounting holes and multiple groups of second mounting holes in a matching manner; after the bottom end of the plug-in contacts the top end of the aluminum heat dissipation housing, by passing multiple groups of screws through multiple groups of first mounting holes and installing them in a matching manner, multiple groups of screws fix the aluminum heat dissipation housing and the plug-in, improving the installation firmness of the plug-in and the convenience of disassembly and replacement of the plug-in.

[0009] Preferably, it further includes a groove and a sealing ring. The groove is provided at the top end of the aluminum heat dissipation housing, and the sealing ring is embedded in the groove; by providing the groove and the sealing ring, the sealing effect at the junction of the aluminum heat dissipation housing and the plug-in is improved.

[0010] Preferably, it further includes multiple groups of third mounting holes, and multiple groups of third mounting holes are all provided on the outer side wall of the aluminum heat dissipation housing; improving the convenience of installation and fixation of the aluminum heat dissipation housing and the electronic pump body.

[0011] Preferably, the ventilation membrane is connected to the outer side wall of the plug-in by ultrasonic welding; to achieve the effects of saving materials and reducing costs.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows: during the use of the electronic pump, the heat generated by the PCBA is transferred to the fins through the aluminum heat dissipation housing, and the PCBA is cooled by the combined action of the aluminum heat dissipation housing and the fins, thereby improving the efficiency of heat dissipation. At the same time, it cooperates with the ventilation component to ventilate the inside of the aluminum heat dissipation housing, improving the heat dissipation effect of the PCBA, and at the same time avoiding pressure damage to the inside of the aluminum heat dissipation housing caused by air thermal expansion. The plug-in can be disassembled and replaced with different models through the connection component, facilitating the bottom cover to be compatible with the product requirements of different powers. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is an isometric structural schematic diagram of the present utility model;

[0014] Figure 2 is an exploded structural schematic diagram of the connection between the aluminum heat dissipation housing and the fins, etc.;

[0015] Figure 3 It is a schematic explosion structure diagram of the connection between an aluminum heat dissipation housing and a plug-in component, etc.;

[0016] Figure 4 It is a partial axonometric structure diagram of the connection between a plug-in component and a ring, etc.;

[0017] Figure 5 It is a partial axonometric structure diagram of the connection between a plug-in component and a PIN pin, etc.;

[0018] Figure 6 It is an axonometric structure diagram of the connection between an aluminum heat dissipation housing and a third mounting hole, etc.

[0019] Reference numerals in the drawings: 1. Aluminum heat dissipation housing; 2. Fins; 3. Plug-in component; 4. PIN pin; 5. Ring; 6. Breathable membrane; 7. First mounting hole; 8. Second mounting hole; 9. Screw; 10. Groove; 11. Sealing ring; 12. Third mounting hole. Detailed implementation manners

[0020] For the convenience of understanding the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present utility model more thorough and comprehensive.

[0021] Embodiment 1

[0022] As Figures 1 to 6 shown, a multi-functional bottom cover of an electronic water pump of the present utility model includes an aluminum heat dissipation housing 1. An installation opening is provided at the bottom end of the aluminum heat dissipation housing 1, and the PCBA is installed inside the aluminum heat dissipation housing 1 through the installation opening; it further includes a connection assembly, a breathable assembly, fins 2, a plug-in component 3, and a PIN pin 4. The fins 2 are arranged on the outer side wall of the aluminum heat dissipation housing 1. The plug-in component 3 is installed at the top end of the aluminum heat dissipation housing 1 through the connection assembly, and the plug-in component 3 is set to have different sizes and models. The PIN pin 4 is installed on the inner side wall of the upper part of the plug-in component 3, and the bottom end of the PIN pin 4 is communicated with the PCBA. The breathable assembly is arranged at the bottom end of the plug-in component 3, and the breathable assembly is used for breathable heat dissipation inside the aluminum heat dissipation housing 1;

[0023] As Figure 3 shown, the breathable assembly includes a ring 5 and a breathable membrane 6. A breathable hole is provided at the bottom end of the plug-in component 3. The ring 5 is installed on the outer side wall around the breathable hole. The breathable membrane 6 is embedded inside the ring 5 and connected to the outer side wall of the plug-in component 3, and the breathable membrane 6 covers the breathable hole;

[0024] In this embodiment, during the use of the electronic pump, the heat generated by the PCBA is transferred to the fins 2 through the aluminum heat dissipation housing 1. Through the combined action of the aluminum heat dissipation housing 1 and the fins 2, the PCBA is cooled, thereby improving the efficiency of heat dissipation. At the same time, the air permeability component is used to ventilate the aluminum heat dissipation housing 1, improving the heat dissipation effect of the PCBA and avoiding pressure damage to the inside of the aluminum heat dissipation housing 1 caused by air thermal expansion. The plug-in 3 can be disassembled and replaced with different models through the connection component, facilitating the compatibility of the bottom cover with products of different powers.

[0025] Embodiment 2

[0026] Based on Embodiment 1, as Figure 2 shown, a multi-functional bottom cover of an electronic water pump of the present utility model, the connection component includes multiple groups of first mounting holes 7, multiple groups of second mounting holes 8 and multiple groups of screws 9. Multiple groups of first mounting holes 7 are all arranged on the plug-in 3, multiple groups of second mounting holes 8 are all arranged on the aluminum heat dissipation housing 1, the positions of multiple groups of first mounting holes 7 and multiple groups of second mounting holes 8 correspond to each other, and multiple groups of screws 9 are respectively installed in multiple groups of first mounting holes 7 and multiple groups of second mounting holes 8;

[0027] As Figure 2 shown, it further includes a groove 10 and a sealing ring 11. The groove 10 is arranged at the top of the aluminum heat dissipation housing 1, and the sealing ring 11 is embedded in the groove 10;

[0028] As Figure 1 shown, it further includes multiple groups of third mounting holes 12, and multiple groups of third mounting holes 12 are all arranged on the outer side wall of the aluminum heat dissipation housing 1;

[0029] As Figure 4 shown, the breathable film 6 is connected to the outer side wall of the plug-in 3 by ultrasonic welding;

[0030] In this embodiment, the heat inside the aluminum heat dissipation housing 1 is discharged outward through the air vents, and at the same time, the inside of the aluminum heat dissipation housing 1 is depressurized through the air holes, improving the heat dissipation effect of the PCBA. By setting the breathable film 6, the protection effect of the air holes is improved, reducing the entry of outdoor dust and dirt into the inside of the aluminum heat dissipation housing 1. After the bottom end of the plug-in 3 contacts the top end of the aluminum heat dissipation housing 1, multiple groups of screws 9 are installed by passing through multiple groups of first mounting holes 7 and multiple groups of screws 9, so that multiple groups of screws 9 fix the aluminum heat dissipation housing 1 and the plug-in 3, improving the installation firmness of the plug-in 3 and the convenience of disassembly and replacement of the plug-in 3.

[0031] A multi-functional bottom cover of an electronic water pump according to the present utility model, during its operation, in the use of the electronic pump, the heat generated by the PCBA is transferred to the fins 2 through the aluminum heat dissipation housing 1, and the PCBA is cooled by the combined action of the aluminum heat dissipation housing 1 and the fins 2. At the same time, the air-permeable component is used to ventilate the inside of the aluminum heat dissipation housing 1, and the plug-in 3 is disassembled and replaced with different models through the connection component.

[0032] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art of the present technology, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A multi-functional bottom cover of an electronic water pump, comprising an aluminum heat dissipation housing (1), an installation port is arranged at the bottom end of the aluminum heat dissipation housing (1), and the PCBA is installed inside the aluminum heat dissipation housing (1) through the installation port; characterized in that, It also includes a connection component, a ventilation component, fins (2), a plug-in (3), and PIN pins (4). The fins (2) are arranged on the outer side wall of the aluminum heat dissipation housing (1). The plug-in (3) is installed at the top of the aluminum heat dissipation housing (1) through the connection component, and the plug-in (3) is provided in different sizes. The PIN pins (4) are installed on the inner side wall of the upper part of the plug-in (3), and the bottom end of the PIN pins (4) is communicated with the PCBA. The ventilation component is arranged at the bottom end of the plug-in (3), and the ventilation component is used for ventilating and dissipating heat inside the aluminum heat dissipation housing (1).

2. The multi-functional bottom cover of an electronic water pump according to claim 1, characterized in that, The ventilation component includes a ring (5) and a ventilation membrane (6). The bottom end of the plug-in (3) is provided with ventilation holes. The ring (5) is installed on the outer side wall around the ventilation holes. The ventilation membrane (6) is embedded inside the ring (5) and connected to the outer side wall of the plug-in (3), and the ventilation membrane (6) covers the ventilation holes.

3. The multifunctional bottom cover of an electronic water pump according to claim 1, characterized in that The connection component includes multiple groups of first mounting holes (7), multiple groups of second mounting holes (8), and multiple groups of screws (9). Multiple groups of first mounting holes (7) are all arranged on the plug-in (3). Multiple groups of second mounting holes (8) are all arranged on the aluminum heat dissipation housing (1). The positions of multiple groups of first mounting holes (7) and multiple groups of second mounting holes (8) correspond to each other. Multiple groups of screws (9) are respectively installed in multiple groups of first mounting holes (7) and multiple groups of second mounting holes (8).

4. The multifunctional bottom cover of an electronic water pump according to claim 1, characterized in that It also includes a groove (10) and a sealing ring (11). The groove (10) is arranged at the top of the aluminum heat dissipation housing (1), and the sealing ring (11) is embedded in the groove (10).

5. The multi-functional bottom cover of an electronic water pump according to claim 1, characterized in that, It also includes multiple groups of third mounting holes (12), and multiple groups of third mounting holes (12) are all arranged on the outer side wall of the aluminum heat dissipation housing (1).

6. The multifunctional bottom cover of an electronic water pump according to claim 2, characterized in that The ventilation membrane (6) is connected to the outer side wall of the plug-in (3) by ultrasonic welding.

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