CN202531421U - Intelligent frequency conversion power-assisted steering pump for new energy vehicle - Google Patents
Intelligent frequency conversion power-assisted steering pump for new energy vehicle Download PDFInfo
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- CN202531421U CN202531421U CN2011205434329U CN201120543432U CN202531421U CN 202531421 U CN202531421 U CN 202531421U CN 2011205434329 U CN2011205434329 U CN 2011205434329U CN 201120543432 U CN201120543432 U CN 201120543432U CN 202531421 U CN202531421 U CN 202531421U
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 19
- 238000004146 energy storage Methods 0.000 claims abstract description 7
- 238000004134 energy conservation Methods 0.000 claims 1
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Abstract
The utility model discloses an intelligent frequency conversion power-assisted steering pump for a new energy vehicle. The intelligent frequency conversion power-assisted steering pump comprises a motor and a steering oil pump driven by the motor, wherein the three-phase wiring ends U, V and W of the motor are electrically connected with those of a frequency converter; and the rotation speed of the general motor is controlled through intelligent frequency control of the frequency converter, so that the steering oil pump with different rotation speed can be driven. Owing to the power-assisted steering pump, the frequency converter detects the current change of the motor or detects the angle change of a steering wheel through an angle sensor, intelligently controls the output frequency to be the power frequency for running to meet the power-assisted steering requirement of the vehicle when the vehicle makes a turn, and intelligently controls the output low frequency when the vehicle is recovered to run linearly, so that a system recovers running in the low-power mode; in addition, the frequency converter detects the pressure change through a pressure switch or a pressure sensor on an energy storage device so as to control start or stop of the motor, thereby enabling the motor to run intermittently, saving the energy and reducing the noise.
Description
Technical field
The utility model relates to a kind of new energy vehicle device, the device of specifically rotating speed of new energy car steerig pump being controlled.
Background technique
Used in new energy vehicles electric powered steering oil pump all is single rotating speed operation under motor power frequency and rated power condition in the market, can not variable-speed operation, and can only be through changing the motor model; Promptly change the motor pole logarithm and reach the mode that changes motor speed, what generally adopt on the market is four utmost points and 6-pole motor, and the 6-pole motor rotating speed is also more than 900 rev/mins; Though the 6-pole motor rotating speed is lower; Noise is less but power steering that can provide simultaneously is also less, and the 6-pole motor cost is high, and volume is big.Motor can only be worked under rated power, can not save energy and reduce the cost.
The model utility content
The purpose of the utility model is to provide a kind of and is applied on the new energy car; Can satisfy the speed setting unit that drives the different rotating speeds requirement, solving existing electric powered steering oil pump can only promptly change the motor pole logarithm and reach the mode that changes motor speed through changing the motor model; It is higher to solve four utmost point motor speeds; Noise is bigger, and the 6-pole motor cost is high, the problem that volume is big, power steering is little.Need to require distinguish production to different new energy cars, specification is many, batch is little and then all cumbersome problem is managed in the cost of production height, manufacturing, the assembling that bring.
The purpose of the utility model is to realize through following technological scheme:
Used in new energy vehicles intelligent frequency-conversion power-assisted steering pump; Comprise motor and electric motor driven steerig pump; The output shaft end of motor is connected with the abutment shaft of steerig pump through link, and the three-phase terminal U of said motor, V, W are electrically connected with three-phase terminal U, V, the W of a frequency variator respectively.Said motor is controlled a kind of common motor rotating speed through the intelligent frequency-conversion speed governing of frequency variator, is used to drive the steerig pump of different rotating speeds requirement.
Said frequency variator is integrated on the electric power steering pump assembly, perhaps is independent of beyond the electric power steering pump assembly, connects the work of control motor through lead.
Said link comprises the coupling that is installed in motor output shaft and steerig pump abutment shaft, is installed between motor end face and the steerig pump and is enclosed within the outside safety cover of said coupling.
The two ends of said safety cover are passed through screw respectively on the fixed plate on motor end face and the steerig pump.
The used in new energy vehicles intelligent frequency-conversion power-assisted steering pump that adopts the utility model to provide; Frequency variator output low frequency when car starts with straight-line travelling; Motoring steerig pump low cruise; Motor and steerig pump noise obviously reduce during than its full speed running, the noise pollution when having improved the operation of new energy car; Motor adopts low-frequency operation simultaneously, and about 40% when power is power frequency operation, energy-saving effect is obvious, has increased the distance travelled of car load.
The used in new energy vehicles intelligent frequency-conversion power-assisted steering pump that adopts the utility model to provide; Frequency variator detects the electric current variation of motor when car turns to; Intelligent control improves output frequency to power frequency operation, the power-assisted requirement of needs when satisfying car and turning to, frequency variator intelligent control output low frequency again when car recovery straight-line travelling; System recovers low power run again, reaches the energy-saving and noise-reducing purpose.
The used in new energy vehicles intelligent frequency-conversion power-assisted steering pump that the utility model provides; The frequency variator that wherein adopts also can pass through angle transducer inspection vehicle steering wheel angle; The intelligent control output frequency; Drive motor and oil pump reach the purpose of energy-saving and noise-reducing along with steering wheel angle changes stepless change operation under different frequency.
The used in new energy vehicles intelligent frequency-conversion power-assisted steering pump that the utility model provides; The frequency variator that wherein adopts also can detect the hydraulic energy storage device variation in pressure through pressure transducer or pressure switch; The intelligent control output frequency, drive motor and oil pump are along with the stepless change operation under different frequency of hydraulic energy storage device variation in pressure; Or control said frequency variator and start and stop, thereby the intermittent duty of control motor reaches the purpose of energy-saving and noise-reducing.
Through this kind method control common motor, link and foundry goods all only need a kind of specification, are more suitable for large-scale production, are convenient to management, and the assembly cost is lower, and usability is stable, energy-conserving and environment-protective.
Description of drawings
According to accompanying drawing and embodiment the utility model is done further explain below.
Fig. 1 is the described used in new energy vehicles intelligent frequency-conversion of the utility model embodiment power-assisted steering pump structure figure and control principle figure thereof.
Embodiment
As shown in Figure 1; In present embodiment; Described used in new energy vehicles intelligent frequency-conversion power-assisted steering pump; Comprise the steerig pump 2 that motor 1 and motor 1 drive, the output shaft end of motor 1 is connected with the abutment shaft of steerig pump 2 through link 4, and the three-phase terminal U of said motor 1, V, W are electrically connected with three-phase terminal U, V, the W of a frequency variator 3 respectively.Said motor 1 is through the frequency control of motor speed of frequency variator 3, with a kind of high rotating speed cheaply motor change the motor 1 of multiple rotating speed into, be used to drive the steerig pump 2 of different rotating speeds requirement.
The used in new energy vehicles intelligent frequency-conversion power-assisted steering pump that adopts the utility model to provide only needs a kind of pot motor, and link and foundry goods all only need a kind of specification; Be more suitable for large-scale production; Be convenient to management, the assembly cost is lower, and usability is stable; Through frequency variator frequency control of motor speed or intermittent duty, system is energy-conserving and environment-protective more.
Claims (5)
1. used in new energy vehicles intelligent frequency-conversion power-assisted steering pump; Comprise motor and electric motor driven steerig pump; It is characterized in that; The output shaft end of said motor is connected with the abutment shaft of steerig pump through link, and the three-phase terminal U of said motor, V, W are electrically connected with three-phase terminal U, V, the W of a frequency variator respectively.
2. used in new energy vehicles intelligent frequency-conversion power-assisted steering pump according to claim 1 is characterized in that, said motor is controlled a kind of rotating speed of common motor through the intelligent frequency-conversion speed governing of frequency variator, is used to drive the steerig pump of different rotating speeds requirement.
3. used in new energy vehicles intelligent frequency-conversion power-assisted steering pump according to claim 2; It is characterized in that; Said frequency variator electric current of motor when detecting the automobile straight-line travelling and turning to changes; The intelligent control output frequency, drive motor and oil pump be switchover operation between energy-conservation operating mode of low frequency and power frequency high-speed working condition, reaches the purpose of energy-saving and noise-reducing.
4. used in new energy vehicles intelligent frequency-conversion power-assisted steering pump according to claim 2; It is characterized in that; Said frequency variator also can detect corner of vehicle steering wheel through angle transducer; The intelligent control output frequency, drive motor and oil pump reach the purpose of energy-saving and noise-reducing along with steering wheel angle changes stepless change operation under different frequency.
5. used in new energy vehicles intelligent frequency-conversion power-assisted steering pump according to claim 2; It is characterized in that; Said frequency variator also can detect the hydraulic energy storage device variation in pressure through pressure transducer or pressure switch; The intelligent control output frequency, drive motor and oil pump are along with the stepless change operation under different frequency of hydraulic energy storage device variation in pressure; Or control said frequency variator and start and stop, thereby the intermittent duty of control motor reaches the purpose of energy-saving and noise-reducing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205434329U CN202531421U (en) | 2011-12-19 | 2011-12-19 | Intelligent frequency conversion power-assisted steering pump for new energy vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205434329U CN202531421U (en) | 2011-12-19 | 2011-12-19 | Intelligent frequency conversion power-assisted steering pump for new energy vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202531421U true CN202531421U (en) | 2012-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205434329U Expired - Fee Related CN202531421U (en) | 2011-12-19 | 2011-12-19 | Intelligent frequency conversion power-assisted steering pump for new energy vehicle |
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| CN (1) | CN202531421U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104477235A (en) * | 2014-12-18 | 2015-04-01 | 厦门市福工动力技术有限公司 | Energy-saving control method for EHPS (electro hydraulic power steering) pump |
| CN105332839A (en) * | 2014-06-19 | 2016-02-17 | 比亚迪股份有限公司 | Gasoline direct injection engine and noise reduction method and device of high-pressure oil pump of gasoline direct injection engine |
| CN111594435A (en) * | 2020-04-17 | 2020-08-28 | 科力远混合动力技术有限公司 | Starting control method of hybrid power gearbox vane pump |
| CN112154270A (en) * | 2018-06-01 | 2020-12-29 | 三菱电机株式会社 | Scroll compressor having a plurality of scroll members |
| CN114771648A (en) * | 2022-01-12 | 2022-07-22 | 南京金龙客车制造有限公司 | Pure electric passenger car steering pump control system and strategy based on ESC |
-
2011
- 2011-12-19 CN CN2011205434329U patent/CN202531421U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105332839A (en) * | 2014-06-19 | 2016-02-17 | 比亚迪股份有限公司 | Gasoline direct injection engine and noise reduction method and device of high-pressure oil pump of gasoline direct injection engine |
| CN105332839B (en) * | 2014-06-19 | 2018-09-11 | 比亚迪股份有限公司 | The noise-reduction method of in-cylinder direct-jet oil-burning machine and its high-pressure oil pump, device |
| CN104477235A (en) * | 2014-12-18 | 2015-04-01 | 厦门市福工动力技术有限公司 | Energy-saving control method for EHPS (electro hydraulic power steering) pump |
| CN112154270A (en) * | 2018-06-01 | 2020-12-29 | 三菱电机株式会社 | Scroll compressor having a plurality of scroll members |
| CN112154270B (en) * | 2018-06-01 | 2022-05-10 | 三菱电机株式会社 | Scroll compressor having a discharge port for discharging refrigerant from a discharge chamber |
| CN111594435A (en) * | 2020-04-17 | 2020-08-28 | 科力远混合动力技术有限公司 | Starting control method of hybrid power gearbox vane pump |
| CN114771648A (en) * | 2022-01-12 | 2022-07-22 | 南京金龙客车制造有限公司 | Pure electric passenger car steering pump control system and strategy based on ESC |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Beijing Sitech Ka new energy automobile parts Co., the person in charge of patent Document name: Notification that Application Deemed not to be Proposed |
|
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: SUN LEI Effective date: 20130718 Owner name: BEIJING SITAI JIAYE NEW ENERGY AUTO PARTS CO., LTD Free format text: FORMER OWNER: WANG JIANTAO Effective date: 20130718 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 063022 TANGSHAN, HEBEI PROVINCE TO: 101200 PINGGU, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130718 Address after: 101200, Pinggu District, Beijing City, Liu Zhen silver shop Street No. 26 Patentee after: Beijing Sitai Jiaye New Energy Auto Parts Co., Ltd. Address before: Studio 063022 in Hebei province Tangshan City District of Kaiping Li Yuan Zhen Jing Ge Zhuang mine Patentee before: Wang Jiantao Patentee before: Sun Lei |
|
| DD01 | Delivery of document by public notice |
Addressee: BEIJING SITAI JIAYE NEW ENERGY AUTO PARTS Co.,Ltd. Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Patent director of Beijing sitaijiaye new energy auto parts Co., Ltd Document name: Notice of termination of patent |
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| DD01 | Delivery of document by public notice | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20191219 |