CN202381401U - Brushless electric circulating water pump - Google Patents
Brushless electric circulating water pump Download PDFInfo
- Publication number
- CN202381401U CN202381401U CN2011205578734U CN201120557873U CN202381401U CN 202381401 U CN202381401 U CN 202381401U CN 2011205578734 U CN2011205578734 U CN 2011205578734U CN 201120557873 U CN201120557873 U CN 201120557873U CN 202381401 U CN202381401 U CN 202381401U
- Authority
- CN
- China
- Prior art keywords
- circuit
- water pump
- circulating water
- assembly
- brushless electric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 239000004033 plastic Substances 0.000 claims abstract description 10
- 229920003023 plastic Polymers 0.000 claims abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 5
- 239000010439 graphite Substances 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims abstract description 5
- 230000001681 protective effect Effects 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 abstract 2
- 239000000498 cooling water Substances 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 238000010079 rubber tapping Methods 0.000 description 4
- 239000000110 cooling liquid Substances 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a brushless electric circulating water pump. The brushless electric circulating water pump comprises a rotor impeller component, a pump body component, an upper end cover, a lower end cover component, a stator component and a brushless motor controller, wherein the pump body component is formed by performing injection molding on a pump shell and a fixed rotating shaft by adopting plastic inserts; a seal cavity of a stator is formed by performing ultrasonic welding on the lower end cover component and the pump body component; the rotor impeller component is formed by performing injection molding on an impeller rotor and a high-density graphite bearing and is fixed on the fixed rotating shaft of the pump body component; and the stator component and a circuit board component of the brushless motor controller are fixed in the cavity of the pump body component together. The brushless electric circulating water pump can be arranged on a loop of a turbocharger of a vehicle engine to serve as a cooling water pump.
Description
Technical field
The utility model relates to a kind of water pump, relates in particular to a kind of brushless electric circulating water pump.
Background technique
Motor car engine is after flame-out, though oil circulation stops, independently cooling system still can continue through independent cooling system cooling is provided, and prevents that turbosupercharger is overheated and causes fault.
General water pump adopts rotating shaft and stuffing box gland to do relative rotation motion of driving system, produces friction owing to rotating shaft and stuffing box gland relatively rotate, and is easy to generate water leakage phenomenon.In case the brush motor inner inlet will burn because of short circuit, so this type electric water pump is shorter working life.In addition owing to adopting brush motor, so the operation noise of electric water pump is bigger.Therefore, this type of water pump can't satisfy the requirement of automobile turbocharger cooling system.
Summary of the invention
The utility model technical problem to be solved is: a kind of brushless electric circulating water pump is provided, to solve the overheated cooling problem of automobile turbocharger.
For solving the problems of the technologies described above; The technological scheme that the utility model adopted is: a kind of brushless electric circulating water pump; Comprise impeller of rotor assembly, pump assembly, upper end cap, lower end cap assembly, stator module and brushless motor controller; Described pump assembly adopts the plastics inserts injection molded by pump case and fixed rotating shaft; Described lower end cap assembly forms the Seal cage of stator through ultrasonic welding and pump assembly; Described impeller of rotor assembly is injection molded and be fixed on the fixed rotating shaft of pump assembly by the graphite bearing of vane rotor and high compactness, and the circuit board assemblies of described stator module and brushless motor controller is fixed in the inner chamber of pump assembly in the lump.
The further technological scheme of the utility model is: described impeller of rotor assembly and stator module are isolated through plastic casing.Described vane rotor assembly is with the once injection molded pump assembly inside that is installed in of plastics insert structure.Described brushless motor controller comprises power supply power controlling drive circuit, position detecting circuit, signal processing circuit, rotational speed governor and protective circuit; Said position detecting circuit is connected with signal processing circuit; Said rotational speed governor is connected with protective circuit, and said signal processing circuit and protective circuit connect and be connected with power supply power controlling drive circuit respectively.
The utlity model has following beneficial effect: 1, rotor and stator adopt plastic casing to isolate; Rotor is soaked in the water; The heat that rotor produced is taken away by water, and stationary part, controller drying need not adopt the Sealing water-tight; Can guarantee that staor winding part and drive control part do not have liquid to get into, the water-tight performance is good.2, brushless motor controller is set, has overvoltage protection, overload protection, overtemperature protection, low-voltage variation, rotation-clogging protection, overcurrent protection, power supply reverse polarity protection, short-circuit protection, starting resistor surge protection, can guarantee that motor normally moves.3, the vane rotor assembly is with the once injection molded pump assembly inside that is installed in of plastics insert structure, reasonable integral structure, rigorous.This brushless electric circulating water pump is installed on the motor car engine turbosupercharger loop as cooling waterpump; Can make turbosupercharger fully obtain cooling; Engine turbine pressurized machine probability that breaks down and the problem that improves working life have been solved effectively; Reduced the loss of engine turbine pressurized machine, maintenance body, fuel saving, life-saving.In addition, also can be used as the multipurpose pump, be used for the place that need draw water, like outdoor shower, pond, the irrigation system that lavatory and current require less than 15L/min.
Description of drawings
Fig. 1 is a kind of embodiment's of the utility model brushless electric circulating water pump a sectional view.
Fig. 2 is a kind of embodiment's of the utility model brushless electric circulating water pump a explosive view.
Fig. 3 is a kind of embodiment's of the electronic circulating water pump of the utility model automotive brushless a circuit block diagram.
Drawing explanation: 1. dustproof sheath, 2. upper end cap, 3. split washer, 4. first packing ring; 5. first tapping screw, 6. stator module, 7. lower end cap assembly; 8. brushless motor controller (circuit board), 9. second tapping screw, 10. pump assembly; 11.O RunddichtringO, 12. impeller of rotor assemblies, 13. second packing rings.
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
Embodiment
Like Fig. 1, Fig. 2, embodiment illustrated in fig. 3, comprise impeller of rotor assembly 12, pump assembly 10, upper end cap 2, lower end cap assembly 7, stator module 6 and brushless motor controller 8.Described pump assembly adopts the plastics inserts injection molded by pump case and fixed rotating shaft, so that fixed rotating shaft is able to better fix; Described lower end cap assembly 7 forms the Seal cage of stator through ultrasonic welding and pump assembly 10; Described impeller of rotor assembly 12 is injection molded and be fixed on the fixed rotating shaft of pump assembly 10 by the graphite bearing (accompanying drawing does not indicate) of vane rotor and high compactness; The circuit board assemblies of described stator module 6 and brushless motor controller 8 is fixed in the inner chamber of pump assembly 10 in the lump; Described upper end cap 2 is fixed on the pump assembly 10 through first tapping screw 5; Described lower end cap assembly 7 is made up of lower end cap and anode tab (accompanying drawing does not indicate), forms the Seal cage of stator through ultrasonic welding and pump assembly 10; Described impeller of rotor assembly 12 is injection molded by the graphite bearing (accompanying drawing does not indicate) of vane rotor and high compactness, is fixed on the fixed rotating shaft of pump assembly 10 through first packing ring 4, second packing ring 13 and split washer 3; Described stator module 6 is fixed in the inner chamber of pump assembly 10 through tapping screw 9 and brushless motor controller 8 together; Described brushless motor controller comprises power supply power controlling drive circuit, position detecting circuit, signal processing circuit, rotational speed governor and protective circuit; Said position detecting circuit is connected with signal processing circuit; Said rotational speed governor is connected with protective circuit, and said signal processing circuit and protective circuit connect and be connected with power supply power controlling drive circuit respectively.
Below be example to be installed on the motor car engine turbosupercharger loop as cooling waterpump, the working procedure of present embodiment is described: cooling liquid gets into pump chamber through the dustproof protecting cover place inlet of turbosupercharger through the brushless electric circulating water pump.The motor of the brushless electric circulating water pump of this moment is in running order, through the rotation of impeller of rotor assembly cooling liquid is discharged from water outlet, and has played a circulation progradation.The controller drives circuit adopts the position of back electromotive force zero-crossing method detection rotor, after computing, provides corresponding electric current; Get into corresponding stator coil via transistor, produce magnetic pole via the coil around the silicon steel plate again, rotor magnetic pole and magnetic pole of the stator repel each other; Rotor rotation, the counterelectromotive force method detects the change situation of position of magnetic pole, circular flow; Make centrifugal motion because of rotation, make liquid discharge from water outlet.
Claims (5)
1. brushless electric circulating water pump; Comprise impeller of rotor assembly (12), pump assembly (10), upper end cap (2), lower end cap assembly (7), stator module (6) and brushless motor controller (8); It is characterized in that: described pump assembly (10) adopts the plastics inserts injection molded by pump case and fixed rotating shaft; Described lower end cap assembly (7) forms the Seal cage of stator through ultrasonic welding and pump assembly (10); Described impeller of rotor assembly (12) is injection molded and be fixed on the fixed rotating shaft of pump assembly (10) by the graphite bearing of vane rotor and high compactness, and the circuit board assemblies of described stator module (6) and brushless motor controller (8) is fixed in the inner chamber of pump assembly (10) in the lump.
2. brushless electric circulating water pump according to claim 1 is characterized in that: described impeller of rotor assembly (12) and stator module (6) are isolated through plastic casing.
3. brushless electric circulating water pump according to claim 1 and 2 is characterized in that: described vane rotor assembly (12) is with the once injection molded inside that is installed in pump assembly (10) of plastics insert structure.
4. brushless electric circulating water pump according to claim 1 and 2; It is characterized in that: described brushless motor controller comprises power supply power controlling drive circuit, position detecting circuit, signal processing circuit, rotational speed governor and protective circuit; Said position detecting circuit is connected with signal processing circuit; Said rotational speed governor is connected with protective circuit, and said signal processing circuit and protective circuit connect and be connected with power supply power controlling drive circuit respectively.
5. brushless electric circulating water pump according to claim 3; It is characterized in that: described brushless motor controller comprises power supply power controlling drive circuit, position detecting circuit, signal processing circuit, rotational speed governor and protective circuit; Said position detecting circuit is connected with signal processing circuit; Said rotational speed governor is connected with protective circuit, and said signal processing circuit and protective circuit connect and be connected with power supply power controlling drive circuit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205578734U CN202381401U (en) | 2011-12-28 | 2011-12-28 | Brushless electric circulating water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205578734U CN202381401U (en) | 2011-12-28 | 2011-12-28 | Brushless electric circulating water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202381401U true CN202381401U (en) | 2012-08-15 |
Family
ID=46629906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205578734U Expired - Lifetime CN202381401U (en) | 2011-12-28 | 2011-12-28 | Brushless electric circulating water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202381401U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256242A (en) * | 2013-05-04 | 2013-08-21 | 东莞市深鹏电子有限公司 | Electronic water pump for automobile |
| CN107345530A (en) * | 2016-05-06 | 2017-11-14 | 宁波考比锐特汽车科技有限公司 | A kind of electronic water pump of water circulation structure cooling circuit board |
| CN107448396A (en) * | 2017-08-04 | 2017-12-08 | 臧林 | A kind of electromechanical integral pump |
| CN110873062A (en) * | 2018-08-31 | 2020-03-10 | 广东威灵汽车部件有限公司 | Electronic water pump and casing assembly thereof |
| US12078191B2 (en) | 2018-08-31 | 2024-09-03 | Guangdong Welling Auto Parts Co., Ltd. | Electronic water pump and housing assembly thereof |
-
2011
- 2011-12-28 CN CN2011205578734U patent/CN202381401U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256242A (en) * | 2013-05-04 | 2013-08-21 | 东莞市深鹏电子有限公司 | Electronic water pump for automobile |
| CN103256242B (en) * | 2013-05-04 | 2016-08-31 | 东莞市深鹏电子有限公司 | Electronic water pump for automobile |
| CN107345530A (en) * | 2016-05-06 | 2017-11-14 | 宁波考比锐特汽车科技有限公司 | A kind of electronic water pump of water circulation structure cooling circuit board |
| CN107448396A (en) * | 2017-08-04 | 2017-12-08 | 臧林 | A kind of electromechanical integral pump |
| CN110873062A (en) * | 2018-08-31 | 2020-03-10 | 广东威灵汽车部件有限公司 | Electronic water pump and casing assembly thereof |
| US12078191B2 (en) | 2018-08-31 | 2024-09-03 | Guangdong Welling Auto Parts Co., Ltd. | Electronic water pump and housing assembly thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170802 Address after: 314003 No. 1229 Changsheng East Road, Jiaxing economic and Technological Development Zone, Jiaxing, Zhejiang Patentee after: Zhejiang Keboda Industrial Co., Ltd. Address before: 325000 Zhejiang city of Wenzhou Province Yang Er Lu Jingu garden building F room 12B05 Patentee before: Ke Bingjin |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120815 |
|
| CX01 | Expiry of patent term |