CN211178308U - Steering wheel angle sensor for vehicle - Google Patents
Steering wheel angle sensor for vehicle Download PDFInfo
- Publication number
- CN211178308U CN211178308U CN201922296056.7U CN201922296056U CN211178308U CN 211178308 U CN211178308 U CN 211178308U CN 201922296056 U CN201922296056 U CN 201922296056U CN 211178308 U CN211178308 U CN 211178308U
- Authority
- CN
- China
- Prior art keywords
- gear
- groove
- steering wheel
- angle sensor
- wheel angle
- 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.)
- Active
Links
Images
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model provides a vehicle steering wheel angle sensor, which comprises a shell and a circuit board, wherein the center of the shell is provided with a through hole; the periphery of the through hole is provided with a main gear, and one side of the through hole is also provided with a first gear and a second gear; the circuit board is arranged on the periphery of the through hole and is arranged above the main gear, the first gear and the second gear; the first gear and the second gear are respectively meshed with the main gear, and the radius of the first gear is larger than that of the second gear; wherein the main gear has 66 teeth, the first gear has 28 teeth, and the second gear has 22 teeth; the center of each of the first gear and the second gear is provided with a fixing groove which is inwards sunken to form a circle, a pair of magnetic sheets which are arranged in parallel are fixed on the two fixing grooves, and a magnetic induction Hall chip is arranged above the magnetic sheets. The utility model discloses avoided hall angle sensor to have and used reset spring easy fatigue for a long time, elasticity weakens, makes the pivot often unable original position of getting back to like this for the measurement of angle takes place the defect of deviation.
Description
Technical Field
The utility model relates to a vehicle sensor field, concretely relates to vehicle steering wheel angle sensor.
Background
At present, an angle sensor for a vehicle is an important component of an electronic control system of the vehicle as one of collected signals of the electronic control system of the vehicle, and can be widely applied to systems such as steering, chassis height, ETC, an acceleration module (an electronic accelerator pedal) and the like.
The angle sensor is realized in the early stage mainly by adopting a sliding film resistance mode, and has high failure rate and serious early damage. At present, the contact mode formed by the Hall device is changed, and the key of the Hall angle sensor is the design of the Hall device and a magnetic circuit. The quality of the magnetic circuit design can determine the complexity, the manufacturing cost, the output linearity and the like of the angle sensor. The existing Hall angle sensor comprises a rotating shaft, a magnetic collecting ring, a magnet, a reset spring, a PCB, a single Hall device, a capacitor, a wiring terminal, a magnetic isolating sheet and an end cover which are arranged inside a shell. The Hall device and the capacitor are welded at one end of the PCB and are arranged on a central axis formed by the magnetic collecting ring and the magnet, and the other end of the PCB is welded on the wiring terminal; the long-term use of the reset spring is easy to fatigue, and the elasticity is weakened, so that the rotating shaft can not return to the original position frequently, and the measurement of the angle is deviated.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims at providing an automobile-used steering wheel angle sensor has solved current hall angle sensor and has used reset spring easy fatigue for a long time, and elasticity weakens, makes the pivot often unable original position of getting back to like this for the measurement of angle takes place the defect of deviation.
(II) technical scheme
In order to solve the technical problem, the utility model provides a vehicle steering wheel angle sensor, including casing and circuit board, characterized in that, be equipped with the through-hole that the transmission shaft of the car steering wheel of being convenient for passed on the central point of casing; the periphery of the through hole is provided with a main gear, and one side of the through hole is also provided with a first gear and a second gear; the circuit board is arranged on the periphery of the through hole and is arranged above the main gear, the first gear and the second gear; the first gear and the second gear are respectively meshed with the main gear, and the radius of the first gear is larger than that of the second gear; wherein the main gear has 66 teeth, the first gear has 28 teeth, and the second gear has 22 teeth; the magnetic induction type magnetic sensor is characterized in that the centers of the first gear and the second gear are both provided with a pair of fixing grooves which are inwards sunken to form a circle, the two fixing grooves are fixed with a pair of magnetic sheets which are arranged side by side, the centers of the fixing grooves are provided with fixing columns, magnetic induction Hall chips are arranged above the fixing columns, and the magnetic induction Hall chips are electrically connected with a circuit board. The utility model discloses a direct axis of rotation to car steering wheel drives the carousel and rotates, drive the master gear through the carousel like this and rotate, then the master gear drives gear wheel and pinion rotation respectively, then according to through discernment two big, the rotation angle of pinion, and through calculating two big, the angle difference of pinion, calculate the rotation angle of steering wheel, so we just can realize car headlight follow-up on the car, realize techniques such as car radar follow-up of backing a car, the superiority of car performance improves greatly, it is tired easily to have avoided hall angle sensor to have long-time use reset spring, elasticity weakens, make the pivot often to get back to original position like this, make the measurement of angle take place the defect of deviation.
Preferably, the housing is provided with a first mounting groove for mounting the first gear.
Preferably, the housing is provided with a second mounting groove for mounting the second gear.
Preferably, a plurality of clamping grooves are formed in the shell.
Preferably, the vehicle steering wheel angle sensor further comprises an upper shell, and the upper shell is provided with a plurality of clamping blocks matched with the clamping grooves.
Preferably, the section of the clamping groove is conical, sliding grooves are formed in two sides of the clamping groove, and electrode plates are mounted at the bottom ends of the sliding grooves; a conductive clamping rod capable of sliding along the sliding groove is arranged in the sliding groove, and hot melt adhesive is arranged on one side of the conductive clamping rod and is solidified to form a fixed block; the outer side wall of the shell is provided with a pair of connector lugs; a spiral elastic electric heating wire is arranged in the fixed block; a flow guide groove is formed in the bottom end of the sliding groove, one end of the flow guide groove is communicated with the sliding groove, and the other end of the flow guide groove penetrates through the surface of the inner side wall of the clamping groove; a pair of electrode plates positioned at two sides of the clamping groove are respectively connected with a pair of connector lugs through conducting wires, one end of the elastic electric heating wire is communicated with the conductive clamping rod, and the other end of the elastic electric heating wire is connected with the electrode plates; the elastic heating wire is also used for providing resilience force for restoring the conductive clamping rod to the original installation position.
Preferably, the clamping block comprises a clamping head inserted into the clamping groove and a connecting seat located at one end of the clamping head, the clamping head comprises a conductive part located at the top and a lower abutting part located at the bottom, two sides of the conductive part abut against the conductive clamping rod respectively, and the outer diameter of the bottommost end of the connecting seat is smaller than that of the top of the conductive part. The utility model discloses an in the fixture block inserts the draw-in groove, the electrically conductive kelly is supported respectively to the both sides of the conductive part of buckle head during, make a pair of elasticity heating wire, a pair of electrically conductive kelly communicates with the conductive part in proper order with a pair of electrode piece branch, constitute a heating circuit, during communicate outside electric heat respectively through the connector lug, the heating of elasticity heating wire makes the hot melt adhesive melt this moment, promote the epitheca to move to casing one side this moment, make during the fixture block inserts the draw-in groove, the electrically conductive kelly is backed down to the buckle head, make electrically conductive kelly card go into buckle head top both sides, promote the fused hot melt adhesive fluid in the spout simultaneously and pass the guiding.
Preferably, an upper top groove protruding upwards is formed in the top end of the sliding groove and used for installing a solidified additional fixing block. The utility model discloses set up additional fixed block, guaranteed to have unnecessary hot melt adhesive fluid and got into well bonding draw-in groove and fixture block of draw-in groove, increased holistic firmness.
(III) advantageous effects
The utility model provides a pair of automobile-used steering wheel angle sensor, it has following advantage:
1. the utility model discloses a direct axis of rotation to car steering wheel drives the carousel and rotates, drive the master gear through the carousel like this and rotate, then the master gear drives gear wheel and pinion rotation respectively, then according to through discernment two big, the rotation angle of pinion, and through calculating two big, the angle difference of pinion, calculate the rotation angle of steering wheel, so we just can realize car headlight follow-up on the car, realize techniques such as car radar follow-up of backing a car, the superiority of car performance improves greatly, it is tired easily to have avoided hall angle sensor to have long-time use reset spring, elasticity weakens, make the pivot often to get back to original position like this, make the measurement of angle take place the defect of deviation.
Drawings
Fig. 1 is a sectional view of a housing of a steering wheel angle sensor for a vehicle 1 according to an embodiment of the present invention;
fig. 2 is a circuit board structure diagram of a vehicle steering wheel angle sensor embodiment 2 of the present invention;
fig. 3 is a front view of an upper case of embodiment 3 of the steering wheel angle sensor for a vehicle of the present invention;
fig. 4 is an assembled sectional view of a fixture block and a slot of an embodiment 3 of the steering wheel angle sensor for a vehicle according to the present invention;
fig. 5 is a perspective view of the elastic heating wire of embodiment 3 of the steering wheel angle sensor for a vehicle according to the present invention;
fig. 6 is a sectional view of the elastic heating wire according to embodiment 3 of the steering wheel angle sensor for a vehicle according to the present invention.
1. The magnetic induction Hall device comprises a shell, 2, a through hole, 3, a main gear, 4, a first gear, 5, a second gear, 6, a first mounting groove, 7, a second mounting groove, 8, a clamping groove, 9, an upper shell, 10, a clamping block, 11, a sliding groove, 12, an electrode plate, 13, a conductive clamping rod, 14, a fixing block, 15, a connector lug, 16, an elastic heating wire, 17, a flow guide groove, 22, a wire, 18, a clamping head, 19, a connecting seat, 20, a conductive part, 21, a lower abutting part, 23, an upper top groove, 24, an additional fixing block, 25, a circuit board, 26, a fixing groove, 28, a magnetic induction Hall chip, 29 and a magnetic sheet.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1, the utility model provides a vehicle steering wheel angle sensor, which comprises a housing 1 and a circuit board 25, wherein a through hole 2 for a transmission shaft of a vehicle steering wheel to pass through is arranged at the center of the housing; the periphery of the through hole is provided with a main gear 3, and one side of the through hole is also provided with a first gear 4 and a second gear 5; the circuit board is arranged on the periphery of the through hole and is arranged above the main gear, the first gear and the second gear; the first gear and the second gear are respectively meshed with the main gear, and the radius of the first gear is larger than that of the second gear; wherein the main gear has 66 teeth, the first gear has 28 teeth, and the second gear has 22 teeth; the center of each of the first gear and the second gear is provided with a fixing groove 26 which is inwards sunken to form a circle, a pair of magnetic force pieces 29 which are arranged in parallel are fixed on the two fixing grooves, a fixing column is arranged at the center of each fixing groove, a magnetic induction Hall chip 28 is arranged above each fixing column, and the magnetic induction Hall chips are electrically connected with the circuit board.
Example 2
As shown in fig. 2, the utility model provides a vehicle steering wheel angle sensor, including a housing and a circuit board, a through hole for a transmission shaft of a vehicle steering wheel to pass through is arranged at the center of the housing; the periphery of the through hole is provided with a main gear, and one side of the through hole is also provided with a first gear and a second gear; the circuit board is arranged on the periphery of the through hole and is arranged above the main gear, the first gear and the second gear; the first gear and the second gear are respectively meshed with the main gear, and the radius of the first gear is larger than that of the second gear; wherein the main gear has 66 teeth, the first gear has 28 teeth, and the second gear has 22 teeth; the center of each of the first gear and the second gear is provided with a fixing groove 26 which is inwards recessed to form a circle, a pair of magnetic force pieces 29 which are arranged in parallel are fixed on the two fixing grooves, a fixing column 27 is arranged at the center of each fixing groove, a magnetic induction Hall chip 28 is arranged above each fixing column, and the magnetic induction Hall chips are electrically connected with the circuit board 25.
Example 3
As shown in fig. 3, 4 and 5, the housing is provided with a plurality of card slots 8. The upper shell 9 is provided with a plurality of clamping blocks 10 matched with the clamping grooves. The section of the clamping groove is conical, sliding grooves 11 are formed in two sides of the clamping groove, and electrode plates 12 are mounted at the bottom ends of the sliding grooves; a conductive clamping rod 13 capable of sliding along the sliding groove is arranged in the sliding groove, and a fixed block 14 formed by solidifying hot melt adhesive is arranged on one side of the conductive clamping rod; the outer side wall of the shell is provided with a pair of connector lugs 15; a spiral elastic electric heating wire 16 is arranged in the fixed block; a flow guide groove 17 is formed in the bottom end of the sliding groove, one end of the flow guide groove is communicated with the sliding groove, and the other end of the flow guide groove penetrates through the surface of the inner side wall of the clamping groove; a pair of electrode plates positioned at two sides of the clamping groove are respectively connected with a pair of connector lugs through leads 22, one end of the elastic electric heating wire is communicated with the conductive clamping rod, and the other end of the elastic electric heating wire is connected with the electrode plates; the elastic heating wire is also used for providing resilience force for restoring the conductive clamping rod to the original installation position. The clamping block comprises a clamping head 18 inserted into the clamping groove and a connecting seat 19 positioned at one end of the clamping head, the clamping head comprises a conductive part 20 positioned at the top and a lower abutting part 21 positioned at the bottom, two sides of the conductive part respectively abut against the conductive clamping rod, and the outer diameter of the bottommost end of the connecting seat is smaller than that of the top of the conductive part. The top end of the sliding groove is provided with an upper top groove 23 which protrudes upwards and is used for installing a solidified additional fixing block 24. As shown in fig. 6, the section of the elastic heating wire is a spindle, and the width direction of the spindle is parallel to the electrode plate; the structure is favorable for pushing the molten hot melt adhesive fluid into the diversion trench when the elastic electric heating wire contracts. The hot melt adhesive of the embodiment has the solubility of 60-70 ℃, and adopts the conventional hot melt adhesive on the market.
When the embodiment is implemented, the clamping block is inserted into the clamping groove, the two sides of the conductive part of the clamping head respectively abut against the conductive clamping rods during the period, so that the pair of elastic heating wires and the pair of conductive clamping rods are sequentially communicated with the pair of electrode plates, a heating circuit is formed, the external electric heat is respectively communicated through the connector lug during the period, the elastic heating wires are heated to melt the hot melt adhesive, the upper shell is pushed to move towards one side of the shell at the moment, the clamping block is inserted into the clamping groove, the clamping head abuts against the conductive clamping rods, the conductive clamping rods are clamped into the two sides of the top of the clamping head, and meanwhile, the molten hot melt adhesive fluid in the sliding groove is. The additional fixed block of heating fusion has guaranteed to have unnecessary hot melt adhesive fluid and has got into well bonding draw-in groove and fixture block of draw-in groove, has increased holistic firmness.
The above-mentioned embodiments are only used for explaining the present invention, wherein the structure, connection mode, etc. of each component can be changed, all the equivalent transformation and improvement performed on the basis of the technical solution of the present invention should not be excluded from the protection scope of the present invention.
Claims (7)
1. A vehicle steering wheel angle sensor comprises a shell and a circuit board, and is characterized in that a through hole for a transmission shaft of a vehicle steering wheel to pass through is formed in the center of the shell; the periphery of the through hole is provided with a main gear, and one side of the through hole is also provided with a first gear and a second gear; the circuit board is arranged on the periphery of the through hole and is arranged above the main gear, the first gear and the second gear; the first gear and the second gear are respectively meshed with the main gear, and the radius of the first gear is larger than that of the second gear; wherein the main gear has 66 teeth, the first gear has 28 teeth, and the second gear has 22 teeth; the centers of the first gear and the second gear are both provided with fixing grooves which are inwards sunken to form a circle, a pair of magnetic force sheets which are arranged in parallel are fixed on the two fixing grooves, a fixing column is arranged in the center of each fixing groove, a magnetic induction Hall chip is arranged above each fixing column, and the magnetic induction Hall chips are electrically connected with a circuit board; the shell is provided with a first mounting groove for mounting the first gear.
2. The vehicular steering wheel angle sensor according to claim 1, wherein the housing is provided with a second mounting groove for mounting the second gear.
3. The vehicular steering wheel angle sensor according to claim 1 or 2, wherein a plurality of catching grooves are provided on the housing.
4. The vehicular steering wheel angle sensor according to claim 3, further comprising an upper housing provided with a plurality of locking pieces fitted into the locking grooves.
5. The vehicular steering wheel angle sensor according to claim 4, wherein the cross-section of the slot is tapered, sliding grooves are formed on both sides of the slot, and electrode plates are mounted at the bottom ends of the sliding grooves; a conductive clamping rod capable of sliding along the sliding groove is arranged in the sliding groove, and hot melt adhesive is arranged on one side of the conductive clamping rod and is solidified to form a fixed block; the outer side wall of the shell is provided with a pair of connector lugs; a spiral elastic electric heating wire is arranged in the fixing block; a flow guide groove is formed in the bottom end of the sliding groove, one end of the flow guide groove is communicated with the sliding groove, and the other end of the flow guide groove penetrates through the surface of the inner side wall of the clamping groove; a pair of electrode plates positioned at two sides of the clamping groove are respectively connected with a pair of connector lugs through conducting wires, one end of the elastic electric heating wire is communicated with the conductive clamping rod, and the other end of the elastic electric heating wire is connected with the electrode plates; the elastic heating wire is also used for providing resilience force for restoring the conductive clamping rod to the original installation position.
6. The vehicular steering wheel angle sensor according to claim 5, wherein the chucking block comprises a chucking head inserted into the chucking groove and a connecting socket provided at one end of the chucking head, the chucking head comprises a conductive portion provided at a top and a lower abutting portion provided at a bottom, both sides of the conductive portion abut against the conductive chucking rods, respectively, and an outer diameter of a lowermost end of the connecting socket is smaller than an outer diameter of a top of the conductive portion.
7. The vehicular steering wheel angle sensor according to claim 6, wherein the sliding groove is provided at a top end thereof with an upper top groove protruding upward, the upper top groove being used for mounting a solidified additional fixing block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922296056.7U CN211178308U (en) | 2019-12-19 | 2019-12-19 | Steering wheel angle sensor for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922296056.7U CN211178308U (en) | 2019-12-19 | 2019-12-19 | Steering wheel angle sensor for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211178308U true CN211178308U (en) | 2020-08-04 |
Family
ID=71801157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922296056.7U Active CN211178308U (en) | 2019-12-19 | 2019-12-19 | Steering wheel angle sensor for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211178308U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849259A (en) * | 2019-12-19 | 2020-02-28 | 杭州人人集团有限公司 | Steering wheel angle sensor for vehicle |
| TWI760941B (en) * | 2020-11-26 | 2022-04-11 | 易維特科技股份有限公司 | Rotation angle sensing device |
-
2019
- 2019-12-19 CN CN201922296056.7U patent/CN211178308U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849259A (en) * | 2019-12-19 | 2020-02-28 | 杭州人人集团有限公司 | Steering wheel angle sensor for vehicle |
| TWI760941B (en) * | 2020-11-26 | 2022-04-11 | 易維特科技股份有限公司 | Rotation angle sensing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211178308U (en) | Steering wheel angle sensor for vehicle | |
| CN102419228B (en) | Three-piece torque sensor assembly | |
| CN100424933C (en) | Line cable connector assembly | |
| CN102420039B (en) | Sensor target magnet assembly for use with a steering gear | |
| CN201926777U (en) | Connector component and plug connector | |
| CN201886172U (en) | Connector assembly and its socket connector | |
| CN110849259A (en) | Steering wheel angle sensor for vehicle | |
| CN105849519B (en) | Torque angle sensor | |
| CN102017374A (en) | Motor positioning structure | |
| WO2021254212A1 (en) | Upper housing assembly and self-balancing vehicle thereof | |
| WO2021254210A1 (en) | Upper housing assembly and balance car thereof | |
| WO2019009132A1 (en) | Motor device manufacturing method and motor device | |
| CN107112863B (en) | Electric machine | |
| CN113169472A (en) | Electronic control device and electric power steering device | |
| CN112896312A (en) | High-precision sensor | |
| CN212709806U (en) | Upper shell assembly and balance car thereof | |
| CN214845341U (en) | Sensor with a sensor element | |
| CN211478360U (en) | Wheel speed sensor and vehicle | |
| CN217848431U (en) | Type-c male connector | |
| CN217081615U (en) | Electronic expansion valve coil | |
| JPH1114642A (en) | Insertion body for rotary value transmitter | |
| CN214296160U (en) | Automobile electric oil filling port box actuator mounting structure and automobile | |
| CN216747776U (en) | Wheel speed sensor | |
| CN217215209U (en) | Temperature measuring assembly | |
| CN112151896A (en) | Battery module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |