CN204750277U - Electronic power -assisted steering pump drive movable support - Google Patents
Electronic power -assisted steering pump drive movable support Download PDFInfo
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- CN204750277U CN204750277U CN201520428948.7U CN201520428948U CN204750277U CN 204750277 U CN204750277 U CN 204750277U CN 201520428948 U CN201520428948 U CN 201520428948U CN 204750277 U CN204750277 U CN 204750277U
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- copper sheet
- conductors
- copper
- steering pump
- assisted steering
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Abstract
The utility model discloses an electronic power -assisted steering pump drive movable support, including copper conductor and the external insulation cover of parcel on the copper conductor, the copper conductor has the second copper sheet that is used for the first copper sheet of being connected with the motor stator of motor and is used for being connected with the controller, and first copper sheet and second copper sheet stretch out in the external insulation cover. The utility model discloses an electronic power -assisted steering pump drive movable support replaces traditional pencil for the connection of motor and controller is driven movable support and is constituted with good copper conductor of electric conductive property and external insulation cover, has the advantage that is difficult for ageing, being difficult for the short circuit, ensures reliability and security that motor and controller be connected.
Description
Technical field
The utility model belongs to wheel steering system technical field, and specifically, the utility model relates to a kind of driving arm of electric hydraulic power-assisted steering pump.
Background technology
Electric power steering has the plurality of advantages such as energy-saving and environmental protection, safety, is the study hotspot of current servo-steering motorized.
Electric hydraulic power-assisted steering pump is the integral structure connected and composed by electrical motor, bearing and Hydraulic Pump, and motor stator is arranged on the sleeve pipe of bearing, and motor shaft to insert in sleeve pipe neck bearing hole and is connected with Hydraulic Pump.
Current electric hydraulic power-assisted steering pump motor is all be connected by wire harness with the connection mode of its corresponding controller and power supply etc., controller sends instruction to electrical motor, control the rotating speed of electrical motor, and wire harness easily aging, short circuit, safety and reliability is difficult to ensure card.
Utility model content
The utility model provides a kind of driving arm of electric hydraulic power-assisted steering pump, and object is the connection for realizing electrical motor and controller, and improves reliability and safety that electrical motor is connected with controller.
To achieve these goals, the technical scheme that the utility model is taked is: the driving arm of electric hydraulic power-assisted steering pump, comprise copper conductor and be wrapped in the external insulation sleeve on copper conductor, copper conductor has the first copper sheet for being connected with the motor stator of electrical motor and the second copper sheet for being connected with controller, and the first copper sheet and the second copper sheet stretch out in external insulation sleeve.
The material of described external insulation sleeve is nylon.
Described copper conductor has inner frame, and described external insulation sleeve is for be wrapped on inner frame by Shooting Technique.
Described first copper sheet is connected for vertical with described inner frame, and the first copper sheet stretches out towards inner frame side, and described motor stator has the stator copper sheet be welded to connect with the first copper sheet.
Described first copper sheet is provided with 8 altogether, and described stator copper sheet is also provided with 8.
Described second copper sheet is provided with 4 places altogether, and the second copper sheet is connected with the welding circuit board of described controller.
Described copper conductor has the 3rd copper sheet be welded to connect with the contact pin of connector.
Described 3rd copper sheet is connected for vertical with described inner frame.
Described 3rd copper sheet is provided with 4 places altogether.
The driving arm of electric hydraulic power-assisted steering pump of the present utility model, replace traditional wire harness, for the connection of electrical motor and controller, driving arm is formed with the good copper conductor of electric conductivity and external insulation sleeve, there is the advantage of not easily aging, not easily short circuit, guarantee the reliability that electrical motor is connected with controller and safety.
Accompanying drawing explanation
This specification sheets comprises the following drawings, shown content respectively:
Fig. 1 is the structural representation of driving arm;
Fig. 2 is the birds-eye view of driving arm;
Fig. 3 is the upward view of driving arm;
Fig. 4 is the structural representation of controller;
Fig. 5 is the structural representation of connector;
Fig. 6 is the lateral plan of connector;
Fig. 7 is the assembly drowing of driving arm and motor stator and controller;
Fig. 8 is the assembly drowing of driving arm and motor stator, controller, connector;
Fig. 9 is the part sectional view of driving arm;
Figure 10 is the structural representation of motor stator;
Figure 11 is the structural representation of copper conductor;
Figure 12 is that the main circuit current of driving arm moves towards schematic diagram;
Be labeled as in figure:
1, the first copper sheet; 2, the second copper sheet; 3, the 3rd copper sheet; 4, inner frame; 5, external insulation sleeve; 51, the first through hole; 6, motor stator; 61, stator copper sheet; 7, controller; 8, connector; 81, contact pin; 82, contact pin; 83, contact pin; 84, contact pin; 85, the first slot; 86, the second slot; 87, the 3rd slot; 88, base; 9, locating dowel pin.
Detailed description of the invention
Contrast accompanying drawing below, by the description to embodiment, be described in further detail detailed description of the invention of the present utility model, object helps those skilled in the art to have more complete, accurate and deep understanding to design of the present utility model, technical scheme, and contribute to its enforcement.
As shown in Figure 1 to Figure 3, the utility model provides a kind of driving arm of electric hydraulic power-assisted steering pump, for realizing the connection of electric hydraulic power-assisted steering pump motor and controller 7, electrical motor comprises the motor stator 6 be set on bearing sleeve pipe, be enclosed within rotor on motor stator 6 and motor shaft, electrical motor is arranged on the bearing of electric hydraulic power-assisted steering pump, bearing has the sleeve pipe installed matrix and be connected with installation matrix, motor stator 6 is set on the sleeve pipe of bearing, and motor shaft to insert in sleeve pipe and is fixedly connected with rotor.This driving arm comprises copper conductor and is wrapped in the external insulation sleeve 5 on copper conductor, copper conductor has the first copper sheet 1 for being connected with the motor stator 6 of electrical motor and the second copper sheet 2 for being connected with controller 7, first copper sheet 1 and the second copper sheet 2 stretch out in external insulation sleeve 5, motor stator 6 and controller 7 are electrically connected with copper conductor, thus achieve the electrical connection of electrical motor and controller 7, driving arm is formed with the good copper conductor of electric conductivity and external insulation sleeve 5, have not easily aging, the not easily advantage of short circuit, guarantee the reliability that electrical motor is connected with controller 7 and safety.
As preferably, the material of external insulation sleeve 5 is nylon, and insulating power are good; The material of copper conductor is red copper, and electric conductivity is good.
As shown in Fig. 1, Fig. 9 and Figure 11, copper conductor has inner frame 4, and external insulation sleeve 5, for be wrapped on inner frame 4 by Shooting Technique, plays insulation effect.First copper sheet 1 is connected with inner frame 4 with the second copper sheet 2, and stretches out towards the same side of inner frame 4, is in the outside of external insulation sleeve 5, is convenient to be connected with motor stator 6 and controller 7.
As shown in Figure 1, the first copper sheet 1 is connected for vertical with inner frame 4, and motor stator 6 has the stator copper sheet 61 be connected for spot welding with the first copper sheet 1.In the present embodiment, the first copper sheet 1 is provided with 8 altogether, and stator copper sheet 61 is also provided with 8.Because motor stator 6 is set on the sleeve pipe of bearing, external insulation sleeve 5 is provided with first through hole 51 allowing sleeve pipe pass, 8 the first copper sheets 1 are uniformly distributed circumferentially around the first through hole 51, stator copper sheet 61 on motor stator 6 is also for being uniformly distributed, and each first copper sheet 1 is connected with a stator copper sheet 61 respectively.
As shown in Figure 1 and Figure 7, motor stator 6 and driving arm are fixedly connected to form an assembly, for the ease of the assembling of motor stator 6, external insulation sleeve 5 is provided with the locating dowel pin 9 that stretches out of insulation sleeve 5 side toward the outside, this locating dowel pin 9 is positioned at outside the first through hole 51, the axis of locating dowel pin 9 parallels with the axis of the first through hole 51, and the not homonymy of locating dowel pin 9 and the first copper sheet 1 insulation sleeve 5 toward the outside stretches out.Motor stator 6 is provided with the hole of matching with locating dowel pin 9, and when assembling, aim at locating dowel pin 9 with the hole on motor stator 6, and allow locating dowel pin 9 insert in the hole, then align the first copper sheet 1 and stator copper sheet 61, uses welding generator spot welding to fix, convenient for assembly.
As shown in Figure 1 to Figure 3, the second copper sheet 2 is connected for vertical with inner frame 4, and the second copper sheet 2 is for being connected with the welding circuit board of controller 7.Adapt with the structure of controller 7, in the present embodiment, second copper sheet 2 is provided with 4 places altogether, be respectively A, B, C, D place in Fig. 2, first copper sheet 1 position is positioned at one end of driving arm, second copper sheet 2 position is positioned at the other end relative with the first copper sheet 1 on driving arm, A, D two second copper sheet 2 at place be positioned at relative both sides, this end, second copper sheet 2 at C place and B place A, D two place the second copper sheet 2 between, and C place second copper sheet 2 is between second copper sheet 2 and the first through hole 51 at B place; As shown in the figure, A place has been arranged side by side 3 the second copper sheet 2, B places and has been arranged side by side 2 the second copper sheet 2, C places and is provided with 1 the second copper sheet 2, D place and has been arranged side by side 4 the second copper sheets 2.
As shown in Figure 7, controller 7 is selected FREESCALE company based on the MPC5602P of PowerArchitecture framework and is embedded in the control program of visiting chip, which employs conventional universal circuit.The hardware of electric hydraulic power-assisted steering pump control system mainly comprises main control chip, ignition signal circuit, power management, Hall acquisition process circuit, CAN communication unit, power tube drive circuit, current acquisition reactive circuit, power-down protection circuit and JTAG download module.External circuits mainly comprises: the interface of sensor signal processing circuit, feed circuit, automobile speed interface circuit and other external circuit.
The concrete function of controller 7 is: receive turn around parameters signal, comprise vehicle speed signal and steering wheel angular velocity sensor signal, when ignition signal starts, controller 7 outputs control signals to electrical motor; Machine operation is made minimumly to determine rotating speed in setting.The all mode of operation of electric hydraulic power-assisted steering pump is all by the signal such as moving velocity, steering angle of controller 7 according to vehicle, and in conjunction with the real-time rotate speed feedback signal of electrical motor, output signal to power tube, regulate motor stator 6 electric current, calculate optimal state, control rapidly electrical motors to rotating speed of target.
As shown in figures 1 and 3, copper conductor also has the 3rd copper sheet 3 for being welded to connect with the contact pin of connector 8, and controller 7 is between the base 88 and driving arm of connector 8.3rd copper sheet 3 and inner frame 4 is connected for vertical, and the not homonymy of the 3rd copper sheet 3 and the second copper sheet 2 insulation sleeve 5 toward the outside stretches out.Adapt with the structure of connector 8, in the present embodiment, 3rd copper sheet 3 is provided with 4 places altogether, be respectively E, F place in Fig. 3 and two positions between E, F place, 3rd copper sheet 3 is also co-located at same one end of driving arm with the second copper sheet 2,3rd copper sheet 3 at E, F place and A, D two second copper sheet 2 at place be positioned at the same position place, end of driving arm, E, F place is respectively equipped with 3 the 3rd copper sheets 3; Two other position is respectively equipped with 1 the 3rd copper sheet 3, and these 2 the 3rd copper sheets 3 are for being arranged side by side, and between B place second copper sheet 2 and F place the 3rd copper sheet 3.Connector 8 there is a base 88 and the first slot 85, second slot 86 of being located on base 88 and the 3rd slot 87, first slot 85 and the 3rd slot 87 for being oppositely arranged, the second slot 86 is between the first slot 85 and the 3rd slot 87.Be provided with in first slot 85 in 3 contact pins 81, second slot 86 to be provided with in 1 contact pin 82 and 1 contact pin the 83, three slot 87 and be provided with 3 contact pins 84.One end of contact pin 81 stretches out in outside the first slot 85, and is connected with 3 the 3rd copper sheet 3 spot welding at E place, and the other end of contact pin 81 is exposed in the first slot 85, and the first slot 85 is for connecting steering wheel angle speed signal; One end of contact pin 84 stretches out in outside the 3rd slot 87, and is connected with 3 the 3rd copper sheet 3 spot welding at F place, and the other end of contact pin 84 is exposed in the 3rd slot 87, and the 3rd slot 87 is for connecting vehicle speed signal and ignition signal; One end of contact pin 82 and contact pin 83 stretches out in outside the second slot 86, and be connected with the 3rd copper sheet 3 spot welding of 2 between E, F place, the other end of contact pin 82 and contact pin 83 is exposed in the second slot 86, and the second slot 86 is for connecting power supply, and power supply is powering electric motors.
This driving arm achieves the connection of above-mentioned connector 8 and controller 7 and electrical motor, by relevant turn around parameters signal, comprises the signal transmission such as steering wheel angular velocity signal and vehicle speed signal to controller 7, guarantees the control of controller 7 pairs of motor stators 6.
The structure of motor stator 6 as shown in Figure 10, motor stator 6 has 8 weld tabs, form 8 stator copper sheets 61, wherein weld tabs a is communicated with by enamel wire with weld tabs f, weld tabs b is communicated with by enamel wire with weld tabs e, weld tabs c is communicated with by enamel wire with weld tabs h, and weld tabs d is communicated with by enamel wire with weld tabs g, forms 4 groups of circuiies parallel.
Inner frame 4 structure of copper conductor as shown in figure 11, inner frame 4 is divided into nine independently copper sheets, each copper sheet is conductor, No. 1 conductor and No. 6 conductors lay respectively at one end of inner frame 4, No. 2 conductors and No. 9 conductors are between No. 1 conductor and No. 6 conductors, No. 9 conductors between No. 2 conductors and No. 1 conductor, No. 3 conductors and No. 7 conductors are positioned at No. 2 conductor the same sides, and a part for No. 3 conductors is between No. 2 conductors and No. 6 conductors, No. 5 conductors and No. 8 conductors are positioned at the opposite side of No. 2 conductors, and No. 5 conductors are between No. 8 conductors and No. 6 conductors, No. 5 conductors between No. 2 conductors and No. 6 conductors, No. 4 conductors between No. 2 conductors and No. 7 conductors, No. 4 conductors and No. 5 conductors are for being symmetrical arranged.Driving arm is also provided with inductance, electric capacity, resistance and metal-oxide-semiconductor, and No. 1 conductor is for connecting external power supply, and No. 1 conductor is also electrically connected with No. 2 conductors by inductance, and namely inductance one end is connected with No. 1 conductor, and the other end is connected with No. 2 conductors; No. 9 conductors are connected with No. 2 conductors by electric capacity, and namely electric capacity one end is connected with No. 9 conductors, and the other end is connected with No. 2 conductors, No. 9 conductors ground connection; No. 7 conductors are connected with No. 3 conductors and No. 4 conductors with No. 2 metal-oxide-semiconductors respectively by No. 1 metal-oxide-semiconductor, and namely No. 1 metal-oxide-semiconductor one end is connected with No. 7 conductors, and the other end is connected with No. 3 conductors, and No. 2 metal-oxide-semiconductor one end are connected with No. 7 conductors, and the other end is connected with No. 4 conductors; No. 8 conductors are connected with No. 5 conductors and No. 6 conductors with No. 4 metal-oxide-semiconductors respectively by No. 3 metal-oxide-semiconductors, and namely No. 2 metal-oxide-semiconductor one end are connected with No. 8 conductors, and the other end is connected with No. 5 conductors, and No. 4 metal-oxide-semiconductor one end are connected with No. 8 conductors, and the other end is connected with No. 6 conductors; No. 7 conductors are connected with No. 9 conductors by No. 1 constantan sheet resistance R1, and namely No. 1 constantan sheet resistance R1 one end is connected with No. 9 conductors, and the other end is connected with No. 7 conductors; No. 8 conductors are connected with No. 9 conductors by No. 2 constantan sheet resistance R2, and namely No. 2 constantan sheet resistance R2 one end are connected with No. 9 conductors, and the other end is connected with No. 8 conductors.No. 2 conductors have integrated II pin, IV pin, VI pin, VIII pin, No. 3 conductors has the V pin of one bending and molding, No. 4 conductors has integrated I pin, No. 5 conductors has integrated III pin, No. 6 conductors has integrated VII pin, the copper sheet that I pin, II pin, III pin, V pin, VI pin, VII pin, VIII pin, IV pin are connected with stator copper sheet 61 respectively as one, thus form 8 the first copper sheets 1.
Each copper sheet of inner frame 4 is wrapped up by external insulation sleeve 5, and each copper sheet of inner frame 4 also realizes electrical connection by inductance, electric capacity, resistance or metal-oxide-semiconductor, and inner frame 4 is also connected with the second copper sheet 2 and the 3rd copper sheet 3, forms copper conductor.Second copper sheet 2 is connected with inner frame 4 by the auxiliary circuit on the circuit card of controller 7 with the 3rd copper sheet 3.
The copper conductor of said structure, is connected to form loop with power supply, after powered up, current direction as shown in figure 12, electric current, from positive source, flows to No. 2 conductors through inductance, and then flows to the II pin, IV pin, VI pin, the VIII pin that are connected with No. 2 conductors; The II pin of No. 2 conductors welds with the weld tabs b of motor stator 6 and is communicated with, the weld tabs b of motor stator 6 is communicated with by enamel wire coil with weld tabs e, and the weld tabs e of motor stator 6 is communicated with the VII pin welding of No. 6 conductors, and then the II pin of No. 2 conductors is communicated with the VII pin of No. 6 conductors with one group of coil that weld tabs e forms by motor electronic weld tabs b, No. 6 conductors are communicated with No. 8 conductors by No. 4 metal-oxide-semiconductors; The IV pin of No. 2 conductors welds with the weld tabs d of motor stator 6 and is communicated with, the weld tabs d of motor stator 6 is communicated with by enamel wire coil with weld tabs g, and the weld tabs g of motor stator 6 is communicated with the V pin welding of No. 3 conductors, and then the IV pin of No. 2 conductors is communicated with the V pin of No. 3 conductors with one group of coil that weld tabs g forms by the weld tabs d of motor stator 6, No. 3 conductors are communicated with No. 7 conductors by No. 1 metal-oxide-semiconductor; The VI pin of No. 2 conductors welds with the weld tabs f of motor stator 6 and is communicated with, the weld tabs f of motor stator 6 is communicated with by enamel wire coil with weld tabs a, and the weld tabs a of motor stator 6 is communicated with the III pin welding of No. 5 conductors, and then the VI pin of No. 2 conductors is communicated with the III pin of No. 5 conductors with one group of coil that weld tabs a forms by motor electronic weld tabs f, No. 5 conductors are communicated with No. 8 conductors by No. 3 metal-oxide-semiconductors; The VIII pin of No. 2 conductors welds with the weld tabs h of motor stator 6 and is communicated with, the weld tabs h of motor stator 6 is communicated with by enamel wire coil with weld tabs c, and the weld tabs c of motor stator 6 is communicated with the I pin welding of No. 4 conductors, and then the VIII pin of No. 2 conductors is communicated with the I pin of No. 4 conductors with one group of coil that weld tabs c forms by motor electronic weld tabs h, No. 4 conductors are communicated with No. 7 conductors by No. 2 metal-oxide-semiconductors.
No. 1 metal-oxide-semiconductor and No. 2 MOS are by No. 1 constantan sheet resistance R1 and No. 9 conductor, and namely power cathode is communicated with, and No. 3 metal-oxide-semiconductors and No. 4 MOS are by No. 2 constantan sheet resistance R2 and No. 9 conductors, and namely power cathode is communicated with, and form two groups of power circuits in parallel.
Below by reference to the accompanying drawings the utility model is exemplarily described.Obviously, the utility model specific implementation is not subject to the restrictions described above.As long as have employed the improvement of the various unsubstantialities that method of the present utility model is conceived and technical scheme is carried out; Or without improvement, above-mentioned design of the present utility model and technical scheme directly applied to other occasion, all within protection domain of the present utility model.
Claims (9)
1. the driving arm of electric hydraulic power-assisted steering pump, it is characterized in that: comprise copper conductor and be wrapped in the external insulation sleeve on copper conductor, copper conductor has the first copper sheet for being connected with the motor stator of electrical motor and the second copper sheet for being connected with controller, and the first copper sheet and the second copper sheet stretch out in external insulation sleeve.
2. the driving arm of electric hydraulic power-assisted steering pump according to claim 1, is characterized in that: the material of described external insulation sleeve is nylon.
3. the driving arm of electric hydraulic power-assisted steering pump according to claim 1, it is characterized in that: described copper conductor has inner frame, described external insulation sleeve is for be wrapped on inner frame by Shooting Technique.
4. the driving arm of electric hydraulic power-assisted steering pump according to claim 3, it is characterized in that: described first copper sheet is connected for vertical with described inner frame, and the first copper sheet stretches out towards inner frame side, described motor stator has the stator copper sheet be welded to connect with the first copper sheet.
5. the driving arm of electric hydraulic power-assisted steering pump according to claim 4, is characterized in that: described first copper sheet is provided with 8 altogether, and described stator copper sheet is also provided with 8.
6. the driving arm of electric hydraulic power-assisted steering pump according to claim 3, is characterized in that: described second copper sheet is provided with 4 places altogether, and the second copper sheet is connected with the welding circuit board of described controller.
7. the driving arm of electric hydraulic power-assisted steering pump according to claim 3, is characterized in that: described copper conductor has the 3rd copper sheet be welded to connect with the contact pin of connector.
8. the driving arm of electric hydraulic power-assisted steering pump according to claim 7, is characterized in that: described 3rd copper sheet is connected for vertical with described inner frame.
9. the driving arm of electric hydraulic power-assisted steering pump according to claim 7, is characterized in that: described 3rd copper sheet is provided with 4 places altogether.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520428948.7U CN204750277U (en) | 2015-06-19 | 2015-06-19 | Electronic power -assisted steering pump drive movable support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520428948.7U CN204750277U (en) | 2015-06-19 | 2015-06-19 | Electronic power -assisted steering pump drive movable support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204750277U true CN204750277U (en) | 2015-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520428948.7U Active CN204750277U (en) | 2015-06-19 | 2015-06-19 | Electronic power -assisted steering pump drive movable support |
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| Country | Link |
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| CN (1) | CN204750277U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104890723A (en) * | 2015-06-19 | 2015-09-09 | 芜湖德孚转向系统有限公司 | Electric hydraulic power steering pump drive support |
-
2015
- 2015-06-19 CN CN201520428948.7U patent/CN204750277U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104890723A (en) * | 2015-06-19 | 2015-09-09 | 芜湖德孚转向系统有限公司 | Electric hydraulic power steering pump drive support |
| CN104890723B (en) * | 2015-06-19 | 2017-07-14 | 安徽德孚转向系统股份有限公司 | The driving arm of electric hydraulic power-assisted steering pump |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Zhi Zhen Wuhu County in Anhui province Wuhu city Anhui Bay 241100 Wuhu Economic Development Zone weft four Road No. 88 East Building 02 Patentee after: Anhui Defu steering system of Limited by Share Ltd Address before: 241100, No. four, No. 88, Dong Lu, machinery industry zone, Wuhu County, Wuhu, Anhui Patentee before: Wuhu Defu Steering System Co., Ltd. |