Full-programming detection vehicle body height sensor

Abstract

The utility model relates to a vehicle body height sensor with full-programming detection. The vehicle body height sensor comprises a base, a pin piece, an upper cover, a support plate, a rotor assembly and a circuit board. According to the utility model, when the rotor assembly rotates, the magnetic field of the magnetic ring passing through the Hall chip is changed, the pin piece is used for external power supply and signal transmission of the circuit board, and the change of the height of the vehicle body is detected by the rotation angle of the rotor assembly, so that the full-programming detection of the vehicle body height sensor is realized. By changing the structure of the outer shell of the sensor, the base and the upper cover form the closed mounting cavity, glue brushing is not needed, the technological process is simplified, and the waterproof requirement of the sensor is met.

Description

Technical Field

[0001] The utility model relates to the technical field of sensors, in particular to a vehicle body height sensor with full programming detection. Background Art

[0002] The vehicle height sensor is a sensor that detects the relative displacement of the vehicle body and the lower cantilever or the lower bracket of the shock absorber in the up and down directions. It converts the change in vehicle height into the rotor rotation angle, so that the electronic control device can detect the change in vehicle height.

[0003] Traditional vehicle height sensors have the risk of water leakage. For example, patent number CN201220535061.4 discloses a vehicle height sensor in which a cover is provided at the bottom of the outer shell to protect the inside of the sensor, and the sensor is sealed with a sealing resin, that is, a layer of resin is attached to the cover at the bottom of the outer shell. Since the resin shrinks when it cures, the outer shell still has the risk of water leakage, thereby affecting the service life of the sensor. Utility Model Content

[0004] In order to overcome the shortcomings of the background technology, the technical solution adopted by the utility model is: a vehicle height sensor with full programming detection, including a base, a pin part, an upper cover, a bracket plate, a rotor assembly and a circuit board, a pin part is provided in the base, the base is detachably connected to the bracket plate through the upper cover, the base and the upper cover are combined to form a closed installation cavity, the pin part extends into the installation cavity, and the installation cavity is connected to a circuit board electrically connected to the pin part, a rotor assembly is rotatably connected between the upper cover and the bracket plate, the circuit board is provided with a Hall chip, and a magnetic ring corresponding to the Hall chip is provided at the bottom of the rotor assembly.

[0005] By adopting the above technical solution, when the rotor assembly rotates, the magnetic field of the magnetic ring passing through the Hall chip changes accordingly. The pin parts provide external power supply and signal transmission for the circuit board, and the change in vehicle height is detected by the rotation angle of the rotor assembly, thereby realizing full programming detection of the vehicle height sensor. By changing the structure of the sensor outer shell, the base and the upper cover form a closed installation cavity, without the need for glue, simplifying the process flow and meeting the waterproof requirements of the sensor.

[0006] The utility model is further configured that the base is provided with pre-installed nuts on both sides of the installation cavity, and the base is threadedly connected with the upper cover and the bracket plate in sequence through the pre-installed nuts.

[0007] Furthermore, the upper cover is provided with a sealing ring corresponding to the installation cavity and an O-ring corresponding to the pre-installed nut, and the base is sealed and connected to the upper cover via the sealing ring and the O-ring.

[0008] Furthermore, the upper cover is provided with a cylindrical portion directly above the Hall chip, the cylindrical portion is provided with an internal thread, the rotor assembly includes a rotating shaft, a threaded sleeve and a positioning ring, the rotating shaft is threadedly connected to the cylindrical portion through the threaded sleeve, the rotating shaft is provided with a step portion, and a positioning ring is provided between the step portion and the cylindrical portion.

[0009] Furthermore, the rotor assembly also includes a water seal frame, which is sleeved on the rotating shaft and is arranged between the step portion and the threaded sleeve.

[0010] By adopting the above technical solution, the pre-installed nut is embedded in the base. During installation, the screws are passed through the bracket plate and the upper cover threadedly connected to the pre-installed nut in sequence, and the sealing effect between the upper cover and the base is improved by the sealing ring and the O-ring. The sealing effect between the rotating shaft and the upper cover is improved by the water seal frame. The overall structural design is reasonable and easy to install.

[0011] The utility model is further configured that a socket portion is provided on one side of the base, the pin member extends from the socket portion into the installation cavity, and the pin member is provided with a pin facing upward on one side of the installation cavity.

[0012] Furthermore, the pin member includes four independent pins, the pins are arranged in a rectangular shape at the socket portion, and the pins are arranged in a straight line at the installation cavity.

[0013] By adopting the above technical solution, the structure of the pin part is changed so that the pins in the installation cavity face vertically upward. When installing the circuit board, the circuit board is directly placed in the installation cavity, so that the pins pass through the connection end of the circuit board, solder and complete the electrical connection, thereby improving the convenience of assembly.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. When the rotor assembly rotates, the magnetic field of the magnetic ring passing through the Hall chip changes accordingly. The pins are used to connect the circuit board to an external power source and transmit signals. The change in vehicle height is detected by the rotation angle of the rotor assembly, thus realizing the full programming detection of the vehicle height sensor.

[0016] 2. By changing the structure of the sensor outer shell, the base and the upper cover can form a closed installation cavity, thereby improving the waterproof effect of the sensor.

[0017] The embodiments of the utility model are further described below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a top view of the utility model;

[0019] Figure 2 For the utility model Figure 1 Sectional view of the A direction view;

[0020] Figure 3 For the utility model Figure 2 A partial enlarged view of the B direction view;

[0021] Figure 4 It is a three-dimensional diagram of the pin member of the utility model;

[0022] Among them: 1-base, 2-pin part, 3-upper cover, 4-bracket plate, 5-rotor assembly, 6-circuit board, 7-Hall chip, 8-sealing ring, 9-O-ring, 11-installation cavity, 12-pre-installed nut, 13-socket part, 21-pin, 31-cylindrical part, 51-magnetic ring, 52-rotating shaft, 53-threaded sleeve, 54-positioning ring, 55-water seal frame, 521-step part; DETAILED DESCRIPTION

[0023] like Figure 1 , 2 As shown, this embodiment provides a vehicle height sensor with full programming detection, including a base 1, a pin member 2, an upper cover 3, a bracket plate 4, a rotor assembly 5 and a circuit board 6. The base 1 is provided with a pin member 2, and the base 1 is detachably connected to the bracket plate 4 through the upper cover 3. The base 1 and the upper cover 3 are combined to form a closed installation cavity 11. The pin member 2 extends into the installation cavity 11, and the installation cavity 11 is connected to a circuit board 6 electrically connected to the pin member 2. The rotor assembly 5 is rotatably connected between the upper cover 3 and the bracket plate 4, the circuit board 6 is provided with a Hall chip 7, and the bottom of the rotor assembly 5 is provided with a magnetic ring 51 corresponding to the Hall chip 7.

[0024] Combination Figure 3 As shown, in this embodiment, the base 1 is provided with pre-installed nuts 12 on both sides of the installation cavity 11, and the base 1 is threadedly connected with the upper cover 3 and the bracket plate 4 in sequence through the pre-installed nuts 12. The upper cover 3 is provided with a sealing ring 8 corresponding to the installation cavity 11, and an O-ring 9 corresponding to the pre-installed nuts 12. The base 1 is sealed and connected with the upper cover 3 through the sealing ring 8 and the O-ring 9. The upper cover 3 is provided with a cylindrical portion 31 directly above the Hall chip 7, and the cylindrical portion 31 is provided with an internal thread. The rotor assembly 5 includes a rotating shaft 52, a threaded sleeve 53 and a positioning ring 54. The rotating shaft 52 is threadedly connected to the cylindrical portion 31 through the threaded sleeve 53. The rotating shaft 52 is provided with a step portion 521, and a positioning ring 54 is provided between the step portion 521 and the cylindrical portion 31. The rotor assembly 5 also includes a water seal skeleton 55, which is sleeved on the rotating shaft 52 and arranged between the step portion 521 and the threaded sleeve 53.

[0025] Combination Figure 4As shown, in this embodiment, a socket portion 13 is provided on one side of the base 1, and the pin member 2 extends from the socket portion 13 into the installation cavity 11, and the pin member 2 is provided with an upward-facing pin 21 on one side of the installation cavity 11, and the pin member 2 includes four independent pins, and the pins are distributed in a rectangular shape at the socket portion 13, and the pins are distributed in a straight line at the installation cavity 11.

[0026] In the utility model, the base 1 is pre-embedded with a pre-installed nut 12 and a pin member 2 which are integrally injection molded, and the circuit board 6 is directly placed in the installation cavity 11, so that the pin 21 passes through the connecting end of the circuit board 6, the pin 21 is soldered and the electrical connection between the pin member 2 and the circuit board 6 is completed, the bottom of the rotating shaft 52 is clamped or glued with a magnetic ring 51, and the positioning ring 54, the rotating shaft 52, the threaded sleeve 53 and the water seal skeleton 55 are installed on the cylindrical portion 31 in sequence, the sealing ring 8 and the O-ring 9 are pre-installed on the upper cover 3, and the screws are sequentially passed through the bracket plate 4 and the upper cover 3 and threadedly connected to the base 1, and the overall structural design is reasonable and easy to install.

[0027] The working principle of the utility model is that when the rotor assembly 5 rotates, the magnetic field of the magnetic ring 51 passing through the Hall chip 7 changes accordingly, the pin part 2 provides an external power supply and signal transmission for the circuit board 6, and the change in the vehicle height is detected by the rotation angle of the rotor assembly 5, thereby realizing the full programming detection of the vehicle height sensor.

[0028] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A vehicle height sensor with full programmable detection, characterized in that: The invention comprises a base (1), a pin member (2), an upper cover (3), a bracket plate (4), a rotor assembly (5) and a circuit board (6); the base (1) is provided with a pin member (2); the base (1) is detachably connected to the bracket plate (4) through the upper cover (3); the base (1) and the upper cover (3) are combined to form a sealed installation cavity (11); the pin member (2) extends into the installation cavity (11); the installation cavity (11) is connected to a circuit board (6) electrically connected to the pin member (2); the rotor assembly (5) is rotatably connected between the upper cover (3) and the bracket plate (4); the circuit board (6) is provided with a Hall chip (7); and a magnetic ring (51) corresponding to the Hall chip (7) is provided at the bottom of the rotor assembly (5).

2. A vehicle height sensor with full programmable detection according to claim 1, characterized in that: The base (1) is provided with pre-installed nuts (12) on both sides of the installation cavity (11), and the base (1) is threadedly connected to the upper cover (3) and the bracket plate (4) in sequence through the pre-installed nuts (12).

3. A vehicle height sensor with full programmable detection according to claim 2, characterized in that: The upper cover (3) is provided with a sealing ring (8) corresponding to the installation cavity (11) and an O-ring (9) corresponding to the pre-installed nut (12); the base (1) is sealedly connected to the upper cover (3) via the sealing ring (8) and the O-ring (9).

4. A vehicle height sensor with full programmable detection according to claim 3, characterized in that: The upper cover (3) is provided with a cylindrical portion (31) located directly above the Hall chip (7), and the cylindrical portion (31) is provided with an internal thread. The rotor assembly (5) comprises a rotating shaft (52), a threaded sleeve (53) and a positioning ring (54). The rotating shaft (52) is threadedly connected to the cylindrical portion (31) through the threaded sleeve (53), and the rotating shaft (52) is provided with a step portion (521), and a positioning ring (54) is provided between the step portion (521) and the cylindrical portion (31).

5. A vehicle height sensor with full programmable detection according to claim 4, characterized in that: The rotor assembly (5) further comprises a water seal frame (55), the water seal frame (55) being sleeved on the rotating shaft (52), and the water seal frame (55) being arranged between the step portion (521) and the threaded sleeve (53).

6. The vehicle height sensor with full programmable detection according to claim 1, characterized in that: A socket portion (13) is provided on one side of the base (1), the pin member (2) extends from the socket portion (13) into the installation cavity (11), and the pin member (2) is provided with a pin (21) facing upward on one side of the installation cavity (11).

7. A vehicle height sensor with full programmable detection according to claim 6, characterized in that: The plug pin component (2) comprises four independent plug pins, the plug pins are located in the socket portion (13) and are distributed in a rectangular shape, and the plug pins are located in the installation cavity (11) and are distributed in a straight line.

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