CN202176508U - Booster pump for electric automobile - Google Patents
Booster pump for electric automobile Download PDFInfo
- Publication number
- CN202176508U CN202176508U CN2011202819207U CN201120281920U CN202176508U CN 202176508 U CN202176508 U CN 202176508U CN 2011202819207 U CN2011202819207 U CN 2011202819207U CN 201120281920 U CN201120281920 U CN 201120281920U CN 202176508 U CN202176508 U CN 202176508U
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- CN
- China
- Prior art keywords
- pump
- pump chamber
- pressure oil
- oil
- outlet
- 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 - Fee Related
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- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rotary Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a booster pump for an electric automobile, belongs to the technical field of automobiles, and solves the technical problems existing in the prior art such as high possibility of damage and short service life. In the booster pump for the electric automobile, the electric automobile includes a main power source in an automobile body; and the booster pump includes a pump seat, a pump body and an end cover, wherein the pump body is arranged on the pump seat and includes an oil inlet pump cavity and an oil outlet pump cavity; a rotor and a stator are arranged between the oil inlet pump cavity and the oil outlet pump cavity; blades are connected with the rotor; an outlet of the oil outlet pump cavity is connected with a high-pressure oil circuit; an outlet of the oil inlet pump cavity is connected with a low-pressure oil circuit; both the low-pressure oil circuit and the high-pressure oil circuit are connected in series with electrohydraulic flow control valves; an electric motor is arranged on the pump seat; a power cord of the electric motor is connected with a transformer; and alumina claddings are arranged on the inner walls of the oil inlet pump cavity and the oil outlet pump cavity. The device has a simple structure, and can accurately control the generated flow.
Description
Technical field
The utility model belongs to automobile technical field, relates to a kind of boost pump, particularly a kind of electric vehicle boost pump.
Background technique
Be provided with the blade boost pump in the automobile steering system, the use of these pumps makes turning to of automobile more flexible and free, and its shortcoming is to have adopted metallic material to process, and under working pressure, causes friction factor big, damages easily, and working life is short.
Summary of the invention
The purpose of the utility model is the problems referred to above that exist to existing technology, provides a kind of oil extraction stable electric vehicle boost pump.
The purpose of the utility model can realize through following technical proposal: a kind of electric vehicle boost pump, electric vehicle comprise the primary power supply that is arranged in the car body, and the output terminal of described primary power supply is connected with the power transformation device; It is characterized in that this boost pump comprises pump seat, the pump housing and end cap, the pump housing is arranged on the pump seat; Described end cap is installed in the rear end of the pump housing; This end cap also is connected with pump seat mutually, and the described pump housing comprises oil-feed pump chamber and fuel-displaced pump chamber, is provided with rotor and stator between described oil-feed pump chamber and the fuel-displaced pump chamber; Described rotor is connected with blade; The outlet of described fuel-displaced pump chamber is connected with high-pressure oil passage, and the outlet of described oil-feed pump chamber is connected with the low pressure oil circuit, and described low pressure oil circuit and high-pressure oil passage all are in series with electric flow quantity control valve; Described pump seat is provided with motor; Link to each other through a rotatingshaft that is arranged on the pump housing between described rotor and the motor, the power line of described motor links to each other with described power transformation device, and the inwall of described oil-feed pump chamber and fuel-displaced pump chamber has the coating of one deck aluminium oxide.
The working principle of this device is following: the motor drives rotor rotation, and the rotor banding moving vane rotates, and vane drive fluid flow to the fuel-displaced pump chamber from the oil-feed pump chamber and goes.This apparatus structure is simple; Do not have too much complicated design, this power-assisted pump motor links to each other with the primary power supply of this electric vehicle, has saved extra power supply; Be provided with flow control valve at low pressure oil circuit and high-pressure oil passage, can control accurately the flow that boost pump produced.
Compared with prior art, this apparatus structure is simple, can control accurately the flow that boost pump produced.
Description of drawings
Fig. 1 is the structural representation of this electric vehicle boost pump.
Among the figure, 1, the pump housing; 2, end cap; 3, oil-feed pump chamber; 4, fuel-displaced pump chamber; 5, rotor; 6, stator; 7, high-pressure oil passage; 8, low pressure oil circuit; 9, rotatingshaft.
Embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technological scheme of the utility model is done further to describe, but the utility model is not limited to these embodiments.
As shown in Figure 1, electric vehicle comprises the primary power supply that is arranged in the car body, and the output terminal of primary power supply is connected with the power transformation device; This boost pump comprises pump seat, the pump housing 1 and end cap 2, and the pump housing 1 is arranged on the pump seat, and end cap 2 is installed in the rear end of the pump housing 1; This end cap 2 also is connected with pump seat mutually, and the pump housing 1 comprises oil-feed pump chamber 3 and fuel-displaced pump chamber 4, is provided with rotor 5 and stator 6 between oil-feed pump chamber 3 and the fuel-displaced pump chamber 4; Rotor 5 is connected with blade; The outlet of fuel-displaced pump chamber 4 is connected with high-pressure oil passage 7, and the outlet of oil-feed pump chamber 3 is connected with low pressure oil circuit 8, and low pressure oil circuit 8 all is in series with electric flow quantity control valve with high-pressure oil passage 7; Pump seat is provided with motor; Link to each other through a rotatingshaft 9 that is arranged on the pump housing 1 between rotor 5 and the motor, the power line of motor links to each other with the power transformation device, the coating that the inwall of oil-feed pump chamber 3 and fuel-displaced pump chamber 4 has one deck aluminium oxide.
The working principle of this device is following: motor drives rotor 5 rotates, and rotor 5 drives blade rotation, and vane drive fluid flow to the fuel-displaced pump chamber 4 from oil-feed pump chamber 3 and goes.This apparatus structure is simple; Do not have too much complicated design, this power-assisted pump motor links to each other with the primary power supply of this electric vehicle, has saved extra power supply; Be provided with flow control valve at low pressure oil circuit 8 and high-pressure oil passage 7, can control accurately the flow that boost pump produced.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Claims (1)
1. electric vehicle boost pump, electric vehicle comprise the primary power supply that is arranged in the car body, and the output terminal of described primary power supply is connected with the power transformation device; It is characterized in that this boost pump comprises pump seat, the pump housing (1) and end cap (2), the pump housing (1) is arranged on the pump seat; Described end cap (2) is installed in the rear end of the pump housing (1); This end cap (2) also is connected with pump seat mutually, and the described pump housing (1) comprises oil-feed pump chamber (3) and fuel-displaced pump chamber (4), is provided with rotor (5) and stator (6) between described oil-feed pump chamber (3) and the fuel-displaced pump chamber (4); Described rotor (5) is connected with blade; The outlet of described fuel-displaced pump chamber (4) is connected with high-pressure oil passage (7), and the outlet of described oil-feed pump chamber (3) is connected with low pressure oil circuit (8), and described low pressure oil circuit (8) and high-pressure oil passage (7) all are in series with electric flow quantity control valve; Described pump seat is provided with motor; Link to each other through a rotatingshaft (9) that is arranged on the pump housing (1) between described rotor (5) and the motor, the power line of described motor links to each other with described power transformation device, the coating that the inwall of described oil-feed pump chamber (3) and fuel-displaced pump chamber (4) has one deck aluminium oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202819207U CN202176508U (en) | 2011-08-03 | 2011-08-03 | Booster pump for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202819207U CN202176508U (en) | 2011-08-03 | 2011-08-03 | Booster pump for electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202176508U true CN202176508U (en) | 2012-03-28 |
Family
ID=45866391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202819207U Expired - Fee Related CN202176508U (en) | 2011-08-03 | 2011-08-03 | Booster pump for electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202176508U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109113957A (en) * | 2017-06-26 | 2019-01-01 | 比亚迪股份有限公司 | Electric oil pump assembly, steering system and lubricating system |
-
2011
- 2011-08-03 CN CN2011202819207U patent/CN202176508U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109113957A (en) * | 2017-06-26 | 2019-01-01 | 比亚迪股份有限公司 | Electric oil pump assembly, steering system and lubricating system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120328 Termination date: 20140803 |
|
| EXPY | Termination of patent right or utility model |