Electronic water pump with outgoing line
By dividing the chamber inside the electronic water pump and sealing it with glue, combined with a labyrinth sealing structure, the problems of metal corrosion and sealing failure caused by lead wires are solved, thereby improving the product's protection capabilities and service life.
Patent Information
- Application Number
- CN202423069011.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-12
AI Technical Summary
The lead wire design of existing electronic water pumps leads to problems such as difficulty in airtightness detection of the controller cavity in the production process, complex line sequence management, and metal corrosion caused by overflow of the lead wires, which affects product quality and life.
Insulating isolation plates and cold water plates are used to divide the interior of the electronic water pump into the first chamber, the second chamber, and the third chamber, and each chamber is sealed with glue. The lead-out direction of the electronic wire is opposite to the water outlet of the water pump casing. Combined with the labyrinth sealing structure and sealing glue in the groove, water is prevented from flowing into the lead-out area.
It improves the protection capability of the control panel, prevents water siphoning and electrical corrosion between metals, and improves the sealing and service life of the product.
Smart Images

Figure CN223447255U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electronic water pump and its spare part technical field, concretely is a kind of electronic water pump with lead-out wire. BACKGROUND
[0002] In prior art, the lead-out wire of the electronic water pump for supplying power to the electronic water pump and connecting with the host computer to communicate with the electronic water pump is generally connected directly from the controller, the lead-out wire is led out through the hole formed in the motor shell forming the controller chamber and the corresponding hole of the sealing rubber part, and then the protection and sealing of the cavity controller are ensured by means such as glue pouring. However, in production, the electronic water pump with lead-out wire running causes problems such as inability to effectively implement controller cavity airtightness detection and lead-out wire running pinch in the production process; different customers have different lead-out wire sequence and color requirements, resulting in multiple product line specifications and great product line management difficulty; in terms of protection, the lead-out wire is led out from the shell, and due to the influence of the shell size, the lead-out wire can only be consistent with the direction of the water pump outlet, generally upward or slightly upward, the upward lead-out wire may cause condensation or other water overflow along the wire during installation, leading to small gaps between the metal or metal and plastic connection interfaces of the lead-out wire part, which are easy to siphon water and air, form electrical corrosion on the metal surface, and cause sealing failure through the sealing surface. In summary, how to provide an electronic water pump with lead-out wire for convenient manufacturing, management and improvement of the surrounding water pump installation interface metal corrosion caused by lead-out wire overflow during installation has become a problem to be solved. SUMMARY
[0003] The utility model aims at providing an electronic water pump with lead-out wire to solve the problems in the prior art.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0005] Further, the electronic water pump comprises a water pump shell, a motor shell, an impeller, a stator assembly, a rotor assembly, a water isolation sleeve, a cold water plate, a control board, a pin, an insulation isolation plate, a water pump rear cover, three-phase wires and electronic wires, one end of the water pump shell and the motor shell is connected through bolts, the other end of the water pump rear cover and the motor shell is connected through bolts, the inside of the motor shell is provided with a channel, the cold water plate is clamped in the channel in the motor shell, the cold water plate, the water pump shell and the motor shell leave a first chamber, the two ends of the water isolation sleeve are respectively abutted with the motor shell and the cold water plate, the rotor assembly is arranged in the inside of the water isolation sleeve, the rotor assembly passes through the motor shell, the rotor assembly is inserted into the cold water plate, the rotor assembly is rotatably connected with the motor shell through a bearing, the rotor assembly is rotatably connected with the cold water plate through a bearing, one end of the rotor assembly passing through the motor shell is fixedly connected with the impeller, the impeller is arranged between the water pump shell and the motor shell, the stator assembly is arranged between the water isolation sleeve and the motor shell, the stator assembly passes through the cold water plate and the control board, the control board is arranged between the cold water plate and the water pump rear cover, the pin is fixedly connected with the control board, the pin passes through the control board, part of the pin passes through the insulation isolation plate, the insulation isolation plate is clamped with the pin, the insulation isolation plate, the motor shell, the cold water plate and the water pump rear cover leave a second chamber, the insulation isolation plate and the water pump rear cover leave a third chamber, one end of the electronic wire is connected with the pin in the third chamber, the other end of the electronic wire passes out of the water pump rear cover, the direction of the lead-out wire of the electronic wire is opposite to the water outlet of the water pump shell, one end of the three-phase wire is connected with the pin which does not pass through the insulation isolation plate, the other end of the three-phase wire is inserted into the stator assembly.
[0006] The inside of the electronic water pump is divided into the first chamber, the second chamber and the third chamber by arranging the insulation isolation plate and the cold water plate, the control board is located in the second chamber, the first chamber, the second chamber and the third chamber are respectively sealed, the protection capability of the control board is improved, the control board is connected with the electronic wire in the third chamber through the pin, the direction of the lead-out wire of the electronic wire is opposite to the water outlet of the water pump shell, the problem that water flows into the third chamber from the lead-out wire, and then small gaps between metal surfaces or between metal and plastic are easy to siphon water and air, electric corrosion is formed on the metal surface, and the sealing surface is passed through to cause sealing failure is prevented.
[0007] Further, the first chamber, the second chamber and the third chamber are filled with glue.
[0008] The first chamber, the second chamber and the third chamber are filled with glue, effective sealing and air isolation between the first chamber, the second chamber and the third chamber are realized, and the control board in the second chamber is effectively protected.
[0009] Further, the glue filled in the first chamber and the second chamber covers the control board, the pin and the three-phase wire.
[0010] Avoid the air flow and condensation phenomenon caused by the air hole of the aluminum piece on the control panel, and avoid the water from the interline capillary hole of the three-phase line into the control panel, improve the protection ability and service life of the control panel.
[0011] Further, the glue in the third chamber covers the electronic wire, the pin and all conductive metals.
[0012] Prevent water storage between conductive metals in the third chamber and capillary holes in the electronic wire, avoid the possibility of water flowing into the pin from the interline capillary hole of the lead-out end of the electronic wire and flowing into the control panel, improve the protection ability and service life of the control panel.
[0013] Further, the electronic wire includes a power line and a signal line, the power line and the pin in the third chamber are connected, the signal line and the pin in the third chamber are connected, the power line and the signal line pass through the water pump rear cover, and the passing directions of the power line and the signal line are opposite to the water outlet direction of the water pump shell.
[0014] The lead-out directions of the power line and the signal line are opposite to the water outlet direction of the water pump shell, which prevents water from flowing into the third chamber from the lead-out line, and further causes the small gap between the metal or the metal and the plastic connection interface of the lead line part to be easy to siphon water and air, form electric corrosion on the metal surface, and cause sealing failure through the sealing surface.
[0015] Further, the combination surface of the motor shell and the water pump rear cover is engaged to form a channel, the channel is a labyrinth seal, and sealing glue is added in the channel.
[0016] The labyrinth seal and the sealing glue in the channel greatly improve the sealing performance of the second chamber, prevent water from flowing into the second chamber from the combination surface of the motor shell and the water pump rear cover, and affect the work of the control panel.
[0017] Compared with the prior art, the beneficial effects of the utility model are:
[0018] 1、the lead-out line direction of the electronic wire is opposite to the water outlet of the water pump shell, which prevents water from flowing into the third chamber 16 from the lead-out line, and further causes the small gap between the metal or the metal and the plastic connection interface of the lead line part to be easy to siphon water and air, form electric corrosion on the metal surface, and cause sealing failure through the sealing surface.
[0019] 2, the utility model discloses a first chamber, second chamber and third chamber are divided to electronic water pump inside through the setting insulating isolation board and cold water board, and adopt the glue water in three chambers, and the glue water covers control panel 8, pin 9, three -phase line 12, electronic line 13 and all conductive metal in three chambers, prevent the water storage between conductive metal in third chamber 15 and the capillary hole natural water absorption in electronic line 13, avoid the possibility that water enters pin 9 from the interstitial capillary hole of the lead-out end of electronic line 13 and flows into control panel 8, improve the protection ability and service life of control panel 8;
[0020] 3, the utility model discloses the combination surface of motor shell and water pump rear cover is mutually engaged and forms the channel, and the channel is labyrinth seal, and the channel adds sealing glue water, and then provides the locking force of bolt, greatly improves the sealing property of second chamber, improves the service life of the protection ability of control panel 8. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is whole structure schematic diagram of the utility model discloses a kind of electronic water pump with lead-out wire;
[0022] Figure 2 It is whole structure cross-sectional schematic diagram of the utility model discloses a kind of electronic water pump with lead-out wire;
[0023] Figure 3 It is structure schematic diagram of the first chamber, second chamber and third chamber of the utility model discloses a kind of electronic water pump with lead-out wire;
[0024] Figure 4 It is connection structure schematic diagram of the utility model discloses a kind of electronic water pump with lead-out wire stator assembly, rotor assembly, water jacket and cold water plate;
[0025] Figure 5 It is connection structure schematic diagram of the utility model discloses a kind of electronic water pump control panel, pin and insulating isolation board.
[0026] In the drawing: 1, water pump shell;2, motor shell;3, impeller;4, stator assembly;5, rotor assembly;6, water jacket;7, cold water plate;8, control panel;9, pin;10, insulating isolation board;11, water pump rear cover;12, three-phase line;13, electronic line;14, first chamber;15, second chamber;16, third chamber;17, channel;18, power line;19, signal line. DETAILED DESCRIPTION
[0027] Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the scope of protection of the utility model.
[0028] Embodiment: as Figure 1 -Figure 5 As shown, the utility model provides a technical solution for an electronic water pump with lead wires:
[0029] like Figures 1-5 As shown, the electronic water pump includes a water pump housing 1, a motor housing 2, an impeller 3, a stator assembly 4, a rotor assembly 5, a water barrier 6, a cold water plate 7, a control panel 8, a pin 9, an insulating isolation plate 10, a water pump rear cover 11, a three-phase line 12 and an electronic line 13. One end of the water pump housing 1 and the motor housing 2 are connected by a bolt thread, and the other end of the water pump rear cover 11 and the motor housing 2 are connected by a bolt thread. A groove is provided inside the motor housing 2, and the cold water plate 7 is clamped in the groove in the motor housing 2. A first chamber 14 is left between the cold water plate 7, the water pump housing 1 and the motor housing 2. The two ends of the waterproof jacket 6 are respectively against the motor housing 2 and the cold water plate 7. The rotor assembly 5 is arranged inside the waterproof jacket 6. The rotor assembly 5 passes through the motor housing 2. The rotor assembly 5 is inserted into the cold water plate 7. The rotor assembly 5 is rotatably connected to the motor housing 2 through a bearing. The rotor assembly 5 is rotatably connected to the cold water plate 7 through a bearing. The rotor assembly 5 passes through one end of the motor housing 2 and is fixedly connected to the impeller 3. The impeller 3 is arranged between the water pump housing 1 and the motor housing 2, the stator assembly 4 is arranged between the waterproof sleeve 6 and the motor housing 2, the stator assembly 4 passes through the cold water plate 7 and the control board 8, the control board 8 is arranged between the cold water plate 7 and the water pump back cover 11, the pin 9 is fixedly connected to the control board 8, the pin 9 passes through the control board 8, part of the pin 9 passes through the insulating isolation board 10, the insulating isolation board 10 and the pin 9 are clamped, the insulating isolation board 10, the motor housing 2, the cold water A second chamber 15 is left between the plate 7 and the water pump rear cover 11, and a third chamber 16 is left between the insulating isolation plate 10 and the water pump rear cover 11. One end of the electronic wire 13 is connected to the pin 9 between the third chamber 16, and the other end of the electronic wire 13 passes through the water pump rear cover 11. The lead-out direction of the electronic wire 13 is opposite to the water outlet of the water pump housing 1. One end of the three-phase wire 12 is connected to the pin 9 that does not pass through the insulating isolation plate 10, and the other end of the three-phase wire 12 is inserted into the stator assembly 4.
[0030] By providing an insulating isolation plate 10 and a cold water plate 7, the interior of the electronic water pump is divided into a first chamber 14, a second chamber 15 and a third chamber 16. The control board 8 is located in the second chamber 15. The first chamber 14, the second chamber 15 and the third chamber 16 are each sealed, thereby improving the protection capability of the control board 8. The control board 8 is connected to the electronic wire 13 in the third chamber 16 through the pin 9. The lead-out direction of the electronic wire 13 is opposite to the water outlet of the water pump housing 1, thereby preventing water from flowing from the lead-out line into the third chamber 16, thereby causing the tiny gaps between the metals or between the metal and plastic connection interfaces at the lead part to easily siphon water and air, forming electrical corrosion on the metal surface, and passing through the sealing surface to cause the seal to fail.
[0031] The first chamber 14, the second chamber 15 and the third chamber 16 are all filled with glue.
[0032] The first chamber 14, the second chamber 15 and the third chamber 16 are all filled with glue, which realizes effective sealing and air isolation between the first chamber 14, the second chamber 15 and the third chamber 16, and effectively protects the control panel 8 in the second chamber 15.
[0033] The glue filled in the first chamber 14 and the second chamber 15 covers the control panel 8, the pin 9 and the three-phase wire 12.
[0034] The glue filled in the first chamber 14 and the second chamber 15 covers the control panel 8, the pin 9 and the three-phase wire 12.
[0035] The glue filled in the third chamber 16 covers the electronic wire 13, the pin 9 and all conductive metals.
[0036] The glue filled in the third chamber 16 covers the electronic wire 13, the pin 9 and all conductive metals.
[0037] As shown in Figure 1 and Figure 2 , the electronic wire 13 includes a power line 18 and a signal line 19, the power line 18 is connected with the pin 9 in the third chamber 16, the signal line 19 is connected with the pin 9 in the third chamber 16, the power line 18 and the signal line 19 pass through the water pump rear cover 11, and the passing direction of the power line 18 and the signal line 19 is opposite to the direction of the water outlet of the water pump shell 1.
[0038] The passing direction of the power line 18 and the signal line 19 is opposite to the direction of the water outlet of the water pump shell 1, which prevents water from flowing into the third chamber 16 from the lead-out wire, and further causes the small gap between the metal or the connection interface between the metal and the plastic at the lead-out wire part to easily siphon water and air, form electric corrosion on the metal surface, and cause sealing failure through the sealing surface.
[0039] As shown in Figure 2 and Figure 3 , the joint surface of the motor shell 2 and the water pump rear cover 11 is engaged with each other to form a channel 17, the channel 17 is in a labyrinth seal, and sealing glue is added in the channel 17.
[0040] The labyrinth seal and the sealing glue in the channel 17 greatly improve the sealing performance of the second chamber 15, and prevent water from flowing into the second chamber 15 from the joint surface of the motor shell 2 and the water pump rear cover 11 to affect the work of the control panel 8.
[0041] The utility model discloses a working principle: through setting up insulating isolation board 10 and cold water board 7 divide into first chamber 14, second chamber 15 and third chamber 16 with electronic water pump inside, control panel 8 is located in second chamber 15, first chamber 14, second chamber 15 and third chamber 16 adopt to pour glue water seal, pour glue water cover control panel 8, pin 9, three -phase line 12, electronic wire 13 and all conductive metal in third chamber 16, has promoted the protection ability and service life of control panel 8, control panel 8 is connected through pin 9 and electronic wire 13 in third chamber 16, the direction of the outgoing line of electronic wire 13 and the water outlet of water pump shell 1 are opposite, prevent the water from flowing into third chamber 16 from outgoing line, and then cause the small gap of the metal inter or the metal and plastic interconnection interface of lead wire part to be easy all siphon water and air, form electric corrosion on the metal surface, and the problem of the occurrence of the sealing failure of the sealing surface through.
[0042] Finally, it should be noted that: the above only for the preferred embodiment of the utility model has been described, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.
Claims
1. An electronic water pump with lead wires, characterized in that: The electronic water pump comprises a water pump housing (1), a motor housing (2), an impeller (3), a stator assembly (4), a rotor assembly (5), a water barrier (6), a cold water plate (7), a control panel (8), a pin (9), an insulating isolation plate (10), a water pump rear cover (11), a three-phase line (12) and an electronic line (13). One end of the water pump housing (1) and the motor housing (2) are connected by a bolt thread, and the other end of the water pump rear cover (11) and the motor housing (2) are connected by a bolt thread. A groove is provided inside the motor housing (2), and the cold water plate (7) is clamped in the groove in the motor housing (2). A first chamber (14) is left between the cold water plate (7), the water pump housing (1) and the motor housing (2); the two ends of the waterproof jacket (6) are respectively against the motor housing (2) and the cold water plate (7); the rotor assembly (5) is arranged inside the waterproof jacket (6); the rotor assembly (5) passes through the motor housing (2); the rotor assembly (5) is inserted into the cold water plate (7); the rotor assembly (5) is rotatably connected to the motor housing (2) through a bearing; the rotor assembly (5) is rotatably connected to the cold water plate (7) through a bearing; the rotor assembly (5) passes through one end of the motor housing (2) and is fixedly connected to the impeller (3); The impeller (3) is arranged between the water pump housing (1) and the motor housing (2), the stator assembly (4) is arranged between the water isolation sleeve (6) and the motor housing (2), the stator assembly (4) passes through the cold water plate (7) and the control board (8), the control board (8) is arranged between the cold water plate (7) and the water pump rear cover (11), the pin (9) and the control board (8) are fixedly connected, the pin (9) passes through the control board (8), and part of the pin (9) passes through the insulating isolation board (10), the insulating isolation board (10) and the pin (9) are clamped, the insulating isolation board (10), the motor housing (2 ), a second chamber (15) is left between the cold water plate (7) and the water pump rear cover (11), a third chamber (16) is left between the insulating isolation plate (10) and the water pump rear cover (11), one end of the electronic wire (13) is connected to the pin (9) between the third chamber (16), the other end of the electronic wire (13) passes through the water pump rear cover (11), the lead-out direction of the electronic wire (13) is opposite to the water outlet of the water pump housing (1), one end of the three-phase wire (12) is connected to the pin (9) that does not pass through the insulating isolation plate (10), and the other end of the three-phase wire (12) is inserted into the stator assembly (4).
2. The electronic water pump with lead wires according to claim 1, characterized in that: The first chamber (14), the second chamber (15) and the third chamber (16) are all filled with glue.
3. The electronic water pump with lead wires according to claim 2, characterized in that: The glue in the first chamber (14) and the second chamber (15) covers the control board (8), the pins (9) and the three-phase wire (12).
4. The electronic water pump with lead wires according to claim 3, characterized in that: The glue in the third chamber (16) covers the three-phase wire (12), the plug pin (9) and all conductive metals.
5. The electronic water pump with lead wires according to claim 4, characterized in that: The electronic wire (13) includes a power line (18) and a signal line (19), the power line (18) is connected to the pin (9) in the third chamber (16), and the signal line (19) is connected to the pin (9) in the third chamber (16), and the power line (18) and the signal line (19) pass through the water pump rear cover (11), and the direction in which the power line (18) and the signal line (19) pass through is opposite to the direction of the water outlet of the water pump housing (1).
6. The electronic water pump with lead wires according to claim 5, characterized in that: The joint surfaces of the motor housing (2) and the water pump rear cover (11) engage with each other to form a groove (17), the groove (17) is a labyrinth seal, and sealing glue is added into the groove (17).