CN211085102U - Integral automobile-used footboard angle sensor - Google Patents
Integral automobile-used footboard angle sensor Download PDFInfo
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- CN211085102U CN211085102U CN201922105858.5U CN201922105858U CN211085102U CN 211085102 U CN211085102 U CN 211085102U CN 201922105858 U CN201922105858 U CN 201922105858U CN 211085102 U CN211085102 U CN 211085102U
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- angle sensor
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Abstract
The utility model relates to an integral automobile-used footboard angle sensor, including rotor part and stator part, the stator part includes sectorial stator casing and connector, rotor part includes sectorial annular rotor and sectorial annular magnetic ring, the magnetic ring is embedded in the rotor, the bottom of rotor is equipped with the fork that pulls out that is used for being connected with the rotor slider, and the side is equipped with the guide rail that is used for imbedding the guide slot; the rotor part and the stator part form a whole through the matching of the guide groove and the guide rail, and after the whole is installed on the pedal system for the vehicle, the sensor chip and the magnetic ring are arranged in an included angle of 45 degrees in the axial direction. The utility model has the characteristics of the assembly is dismantled simply, the collection signal precision is high, output signal is reliable and stable.
Description
Technical Field
The utility model relates to an angle sensor especially relates to an integral automobile-used footboard angle sensor.
Background
The fuel vehicle is replaced by a new energy vehicle, the new energy vehicle is a non-electric vehicle, the product replacement inevitably brings challenges to the innovation of a new round of products, if the traditional fuel vehicle braking system power assistance relies on an engine to generate a vacuum source so as to provide braking power assistance, but the pure electric vehicle does not have the function, then a novel braking power assistance system is developed to become a necessary path for development, the intelligent braking system is generated on the premise, and the sensing technology and signal acquisition become an indispensable part in the system, such as human eyes and nose, and the external information is collected to provide input for the execution of the whole system.
In the prior art, a sliding rheostat type angle sensor is usually adopted to generate an electric signal which changes along with the angle to reflect the change of the angle of a rotating shaft, but the sensor cannot adapt to the development of a new product and a new technology, and the requirements of low cost, output linearity and high precision are met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an integral automobile-used footboard angle sensor is provided, have that the assembly is dismantled simply, the collection signal precision is high, output signal reliable and stable characteristics.
The utility model provides a technical scheme that its technical problem adopted is: the integrated automobile pedal angle sensor comprises a rotor part and a stator part, wherein the stator part comprises a fan-shaped stator shell and a connector, the connector is integrated on the stator shell, a circuit board electrically communicated with the connector is installed in the stator shell, and a sensor chip is installed on the circuit board; the stator shell is provided with a mounting bracket used for being connected with a pedal system for a vehicle; the side surface of the stator shell is provided with a guide groove; the rotor part comprises a fan-shaped annular rotor and a fan-shaped annular magnetic ring, the magnetic ring is embedded in the rotor, the bottom of the rotor is provided with a shifting fork used for being connected with a rotor sliding block, and the side surface of the rotor is provided with a guide rail used for being embedded into the guide groove; the rotor part and the stator part form a whole through the matching of the guide groove and the guide rail, and after the whole is installed on the pedal system for the vehicle, the sensor chip and the magnetic ring are arranged in an included angle of 45 degrees in the axial direction.
The circuit board is positioned and installed through a positioning column in the stator shell.
The circuit board is electrically communicated with the connector in a selective wave soldering mode or a Press-fit welding-free mode.
The mounting bracket is fixed on the stator shell through a positioning riveting column.
The stator casing still is equipped with the protecting cover, the protecting cover through laser welding's mode or glue paste the mode of card with stator casing welds integratively for the circuit board is located the airtight space that is formed by stator casing and protecting cover.
The upper surface of rotor slider be equipped with the T type groove of shifting fork cooperation connection, the lower surface is equipped with the buckle that is used for being connected with automobile-used footboard system.
The magnetic ring is divided into 7 areas from left to right, wherein four areas on the left side are magnetized by adopting axial sine waves, two areas on the right side are magnetized by adopting axial square waves, and one area in the middle is not magnetized for an isolation area.
Advantageous effects
Since the technical scheme is used, compared with the prior art, the utility model, have following advantage and positive effect: the utility model provides a stator and rotor pass through the guide rail and the guide slot is even as an organic whole, the partial degree of freedom of stator and rotor has been restricted, realized rotor and stator and do relative rotary motion along the guide slot, the effective control assembly, the chip of the stator part that brings changes the property ability that arouses and became invalid to rotor magnet surface distance and relative position, whole device integral erection is on automobile-used footboard system, adopt the magnetic inductor as inductive element, the sensing is along with the magnetic field variation of rotor pivoted magnetic ring, thereby satisfy the collection of automobile brake system brake pedal angle signal, whole device appearance is unique, moreover, the steam generator is compact in structure, the assembly is dismantled simply, the acquisition signal precision is high, output signal is reliable and stable.
Drawings
Fig. 1 is a schematic view of the overall arrangement of the present invention;
fig. 2 is a schematic view of the stator portion of the present invention;
FIG. 3 is a schematic view of the present invention with the stator section removed;
FIG. 4 is a schematic view of a stator housing according to the present invention;
fig. 5 is an assembly view of the stator housing and the mounting bracket according to the present invention;
fig. 6 is a schematic view of the middle magnet ring of the present invention;
FIG. 7 is a schematic view of the magnetizing of the middle magnet ring of the present invention;
fig. 8 is a schematic view of a rotor in the present invention;
fig. 9 is a schematic layout diagram of the middle magnetic ring and the sensor chip according to the present invention;
fig. 10 is a schematic view of a rotor slide according to the present invention.
Fig. 11 is a schematic layout of the pedal angle sensor and system of the present invention.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
The embodiment of the utility model relates to an integral automobile-used footboard angle sensor, including rotor part and stator part, the stator part includes sectorial stator casing and connector, the connector integration is on the stator casing, install the circuit board with connector electrical communication in the stator casing, install sensor chip on the circuit board; the stator shell is provided with a mounting bracket used for being connected with a pedal system for a vehicle; the side surface of the stator shell is provided with a guide groove; the rotor part comprises a fan-shaped annular rotor and a fan-shaped annular magnetic ring, the magnetic ring is embedded in the rotor, the bottom of the rotor is provided with a shifting fork used for being connected with a rotor sliding block, and the side surface of the rotor is provided with a guide rail used for being embedded into the guide groove; the rotor part and the stator part form a whole through the matching of the guide groove and the guide rail, and after the whole is installed on the pedal system for the vehicle, the sensor chip and the magnetic ring are arranged in an included angle of 45 degrees in the axial direction.
Specifically, as shown in fig. 1-10, the pedal angle sensor 1 shown in fig. 1 is fan-shaped, and includes a magnetic ring 2, a rotor 3, a stator housing 4, a circuit board 5, a sensor chip 6, and a connector 7.
The connector 7 of the present embodiment is integrated with the stator housing 4 to realize signal transmission. The circuit board 5 is precisely positioned and mounted with the stator housing 4 through the two positioning columns 10 of the stator housing 4, and is electrically communicated with the connector 7 through a selective wave soldering process or a Press-fit welding-free mode. The protecting cover 9 is welded with the stator shell 4 into a whole in a laser welding process or a glue pasting mode to form a closed space, and the dustproof and waterproof functions of the circuit board 5 are achieved. The whole stator part is fixed with the mounting bracket 8 in a positioning and riveting mode through the two positioning riveting columns 12 of the stator shell 4, the whole body is connected with the automobile pedal system 13 and mounted through the mounting bracket 8, and the mounting bracket 8 with different types can be applied to different automobile pedals through replacement.
The magnetic ring 2 is integrated with the rotor 3 into a whole through an insert injection molding process before magnetization, the magnetic ring is divided into 7 regions from left to right, wherein the regions 1-4 of the magnetic ring are axially magnetized in a sine wave mode, the angles of the regions 1-4 are equal and are α, the region 5 is an isolation region and is not magnetized, the angle of the region is β, the regions 6-7 are axially magnetized in a square wave mode, the angles of the regions 6-7 are equal and are gamma, the regions 1-4 of the magnetic ring are used for angle measurement, the measurable angle range can be in a range from 40 degrees to 120 degrees, the regions 6-7 are used for triggering and awakening induction regions by sensors, the awakening induction angle regions are triggered to be 1-3 degrees, the magnetized rotor is matched and connected into a whole through a shifting fork 16 of the rotor and a T-shaped groove 17 of a rotor slider, and the rotor slider is connected with a pedal system 13 for a vehicle.
The problem that product performance changes and failures are caused by the changes of the distance between the chip of the stator part and the surface of the rotor magnet and the relative position in the assembling and moving processes is solved. The stator housing 4 of the present embodiment is provided with a guide groove 20 on the side surface, the rotor 3 is provided with a guide rail 19 on the side surface, which is engaged with the guide groove 20, by the engagement of the guide groove 20 and the guide rail 19, the stator housing 4 and the rotor 3 can be connected together to form a whole, and the guide rail 19 can slide in the guide groove 20, so that the smooth rotation of the rotor part can be ensured.
When the stator part and the rotor part are arranged on the pedal system 13 for the vehicle, the sensor chip 6 is arranged on the bottom surface of the magnetic ring 2 and forms an angle of 45 degrees with the axial direction of the magnetic ring 2, when the magnetic ring rotates, the space magnetic field of the sensor induction point changes, and the components of the space magnetic field of the sensor induction point on the x axis, the y axis and the z axis are Bx、ByAnd Bz，BxThe magnetic field is the component of the axial magnetic field in the installation angle direction, then Bx'＝Bx× cos45 degrees, thereby realizing the collection of space magnetic field signals, and through magnetic field induction, the sensor can output 1 path of external trigger signals for external awakening, brake lamp control and 1 path of pedal angle signals.
As shown in fig. 11, when the integrated vehicular pedal angle sensor and the brake pedal system of the present embodiment are installed, the stator part and the rotor part are first connected into a whole through the guide groove and the guide rail, then the mounting bracket on the stator part and the rotor block on the rotor part are respectively installed with the brake pedal system, when the integrated vehicular pedal angle sensor and the brake pedal system are specifically installed, the buckle 11 of the rotor block 18 is firstly inserted into the mounting hole on the brake pedal for fixing, then the stator part and the rotor part which are connected into a whole through the guide groove 20 of the guide rail 19 are inserted into the T-shaped groove 17 of the rotor block 18 through the shift fork 16 of the rotor part for matching connection, then the mounting bracket on the stator part and the mounting rib 14 on the brake pedal are connected and matched together, and finally the mounting bracket 8 is fixed on. When the brake pedal is stepped on to move, the T-shaped groove of the rotor sliding block transmits pedal force to the shifting fork of the rotor so as to drive the rotor part to rotate along the stator guide groove 20, and therefore the rotor part and the sensor chip of the stator part generate space displacement to generate magnetic field change to achieve signal acquisition.
It is not difficult to discover, the utility model provides a stator and rotor pass through guide rail and guide slot even as an organic whole, the part degree of freedom of stator and rotor has been restricted, realized rotor and stator and do relative rotary motion along the guide slot, the effective control assembly, the chip of the stator part that brings among the motion process changes and the performance that product that the relative position change arouses can change and become invalid, whole device integral erection is on automobile-used footboard system, adopt the magnetic inductor as sensing element, the magnetic field variation of sensing along with rotor pivoted magnetic ring, thereby satisfy the collection of automobile brake system brake pedal angle signal, whole device appearance is unique, moreover, the steam generator is compact in structure, the assembly is dismantled simply, the acquisition signal precision is high, output signal is reliable and stable.
Claims (7)
1. An integral automobile pedal angle sensor comprises a rotor part and a stator part, and is characterized in that the stator part comprises a fan-shaped stator shell and a connector, the connector is integrated on the stator shell, a circuit board electrically communicated with the connector is installed in the stator shell, and a sensor chip is installed on the circuit board; the stator shell is provided with a mounting bracket used for being connected with a pedal system for a vehicle; the side surface of the stator shell is provided with a guide groove; the rotor part comprises a fan-shaped annular rotor and a fan-shaped annular magnetic ring, the magnetic ring is embedded in the rotor, the bottom of the rotor is provided with a shifting fork used for being connected with a rotor sliding block, and the side surface of the rotor is provided with a guide rail used for being embedded into the guide groove; the rotor part and the stator part form a whole through the matching of the guide groove and the guide rail, and after the whole is installed on the pedal system for the vehicle, the sensor chip and the magnetic ring are arranged in an included angle of 45 degrees in the axial direction.
2. The integrated vehicular pedal angle sensor of claim 1, wherein the circuit board is positioned and mounted by positioning posts in the stator housing.
3. The integrated vehicular pedal angle sensor of claim 1, wherein the circuit board is in electrical communication with the connector by selective wave soldering or Press-fit solderless.
4. The integrated vehicular pedal angle sensor of claim 1, wherein the mounting bracket is secured to the stator housing by a locating rivet.
5. The integrated pedal angle sensor for vehicles of claim 1, wherein the stator housing further comprises a cover, the cover is welded to the stator housing by laser welding or glue bonding, such that the circuit board is located in the sealed space formed by the stator housing and the cover.
6. The integrated pedal angle sensor for vehicles of claim 1, wherein the rotor slider has a T-shaped groove on its upper surface for engaging with the yoke, and a latch on its lower surface for engaging with a pedal system for vehicles.
7. The integrated vehicular pedal angle sensor according to claim 1, wherein the magnetic ring is divided into 7 regions from left to right, wherein the left four regions are magnetized by axial sine waves, the right two regions are magnetized by axial square waves, and the middle one region is not magnetized by an isolation region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922105858.5U CN211085102U (en) | 2019-11-29 | 2019-11-29 | Integral automobile-used footboard angle sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922105858.5U CN211085102U (en) | 2019-11-29 | 2019-11-29 | Integral automobile-used footboard angle sensor |
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| Publication Number | Publication Date |
|---|---|
| CN211085102U true CN211085102U (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922105858.5U Active CN211085102U (en) | 2019-11-29 | 2019-11-29 | Integral automobile-used footboard angle sensor |
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| CN (1) | CN211085102U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112665502A (en) * | 2020-12-28 | 2021-04-16 | 宁波拓普集团股份有限公司 | Automobile-used footboard angle detection device |
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2019
- 2019-11-29 CN CN201922105858.5U patent/CN211085102U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112665502A (en) * | 2020-12-28 | 2021-04-16 | 宁波拓普集团股份有限公司 | Automobile-used footboard angle detection device |
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Effective date of registration: 20240322 Address after: No. 268, Yuwangshan Road, Daqi Street, Beilun District, Ningbo, Zhejiang 315825 Patentee after: NINGBO TUOPU GROUP Co.,Ltd. Country or region after: China Address before: Building 36, Lane 707, Wuxing Road, Pudong New Area, Shanghai, 201204 Patentee before: SHANGHAI TUOWEI AUTOMOTIVE TECHNOLOGY CO.,LTD. Country or region before: China |