Rotation type vehicle body height sensor with conical structure

Abstract

The utility model relates to the technical field of vehicle body sensors, solves the technical problems that in the prior art, the structure is complex, the assembly efficiency is low, the manufacturing process is complex, and spherical soft rubber is prone to abrasion, and particularly relates to a vehicle body height sensor with a conical structure in a rotating mode. An adjusting mechanism used for being matched with the upper connecting rod to rotate is arranged below the upper connecting rod, a circuit mechanism used for sensing the height of an automobile body is arranged below the adjusting mechanism, and the adjusting mechanism comprises a main body rod. The adjusting mechanism cannot be separated from the circuit mechanism in the axial direction through the limiting effect of the clamping ring, the overall structure is simple, and assembling is convenient. By the adoption of the technical scheme, the conical structure plays a better guiding role, the rotating shafts of the adjusting mechanism and the circuit mechanism are kept on the same center line, a gap of a rotating contact face is better obtained, and small friction is generated.

Description

TECHNICAL FIELD

[0001] The utility model relates to car body sensor technical field especially relates to a car body height sensor of conical structure rotation mode. BACKGROUND

[0002] Car body height sensor is an indispensable part for measuring the posture change of front and rear suspensions on the car, according to the actual situation of the vehicle, the sensor is fixed on the car body through the support, the sensor swing arm is connected to the corresponding suspension, when the car body moves up and down, the suspension drives the swing arm to rotate relative to the sensor, so that the linear displacement of the car body height is converted into angular change, the sensor chip adopts hall effect to convert the angle into digital signal and output to ECU, so that the detection of the car body height is realized, the existing car body height sensor, the swing arm and the rotating structure of the sensor shell usually adopt shaft and bearing connection or ball head and soft rubber hinge mode, the former structure assembly is complex, and the zero parts are numerous, the latter soft rubber part is integrally injection molded with the hard base of the sensor shell, and the process is complex, and the friction between the rotating part ball surface and the soft rubber is large. SUMMARY

[0003] In view of the defects of the prior art, the utility model provides a car body height sensor of conical structure rotation mode, which solves the technical problems of complex structure, low assembly efficiency and complex manufacturing process of the prior art, and achieves the purposes of simple structure, convenient assembly, small friction of the rotating part.

[0004] To solve the above technical problems, the utility model provides the following technical scheme: a car body height sensor of conical structure rotation mode, comprising an upper connecting rod, an adjusting mechanism for cooperating with the rotation of the upper connecting rod is arranged below the upper connecting rod, and a circuit mechanism for sensing the height of the car body is arranged below the adjusting mechanism.

[0005] Further, the adjusting mechanism comprises a main rod, a convex column body is arranged at the bottom end of the main rod, a sealing ring for assisting the limiting rotation of the adjusting mechanism is fixedly connected to the recess in the middle part of the convex column body, a snap ring for sealing is fixedly connected to the recess at the bottom end of the convex column body, and a permanent magnet for generating a magnetic field is fixedly connected to the lower end of the convex column body.

[0006] Further, the circuit mechanism comprises a mechanism main body, a bottom cover for protecting the internal structure of the circuit mechanism is slidably connected to the bottom end of the mechanism main body, a circuit substrate for outputting electric signals is fixedly connected to the top surface of the bottom cover, and a hall element for sensing the change of the magnetic field is fixedly connected to the top end of the circuit substrate.

[0007] Further, a spherical joint is further arranged at the side end of the main rod, and the spherical joint is slidably connected to the bottom end of the upper connecting rod.

[0008] Further, the snap ring is slidingly connected in the top groove of the mechanism body.

[0009] Further, the vehicle body height sensor further comprises a central processing module, a connecting module for transmitting a detection signal, a Hall module for detecting the height of the vehicle body and an inclination module for detecting the inclination of the vehicle body.

[0010] Further, the Hall module is composed of bidirectional transient suppression diodes D1 and D2, filter capacitors C1, C2 and C3, shunt resistors R1 and R2 and a chip G1 for detecting the height of the vehicle body, the detection signal is connected to the VDD interface of the chip G1 through the shunt resistor R1, the bidirectional transient suppression diode D1 and the filter capacitor C1 are connected in parallel between the VDD interface and the NC interface of the chip G1 in sequence, the filter capacitor C2, the filter capacitor C3 and the bidirectional transient suppression diode D2 are connected in parallel between the VSS interface and the PWM interface of the chip G1 in sequence, and the shunt resistor R2 is connected between the filter capacitor C2 and the filter capacitor C3.

[0011] Further, the connecting module is composed of a power supply and a connecting interface, the power supply is connected to the connecting interface 1, the connecting interface 3 receives the PSI5 signal emitted by the Hall module, and the connecting interface 1 outputs the detection signal outward.

[0012] Further, the inclination module is composed of an inclination chip P1 and a current limiting resistor R3, and the SDA interface and the SCL interface of the inclination chip P1 output the angle signal to the central processing module.

[0013] Further, the model of the chip G1 is CZMSH1V1, and the model of the inclination chip P1 is FI6990.

[0014] By the above technical scheme, the vehicle body height sensor with the conical structure and the rotating mode has at least the following beneficial effects:

[0015] 1. The adjusting mechanism is directly pressed into the circuit mechanism, the adjusting mechanism cannot be separated from the circuit mechanism in the axial direction due to the limiting effect of the snap ring, the overall structure is simple and convenient to assemble.

[0016] 2. The sealing ring is in interference fit with the adjusting mechanism and is in close contact with the circuit mechanism, which can better prevent water or dust from entering the shaft cavity in the adjusting mechanism, greatly reduces the cost and improves the reliability of the device, and the technical scheme reduces the metal shaft, bearing and other parts, and correspondingly reduces the rotating movement to further improve the reliability.

[0017] 3. The utility model discloses a central processing module, hall module and the cooperation of inclination module can detect the height of the vehicle body, can also be in static and dynamic process simultaneously to the vehicle body inclination degree detection, make the vehicle body keep in the range of safe situation, improve the safety performance of the vehicle body. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application, the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute undue limitation on the present application. In the drawings:

[0019] Figure 1 It is a perspective view of the utility model cone structure rotation mode vehicle height sensor;

[0020] Figure 2 It is the utility model Figure 1 It is the local enlarged view of A in the utility model;

[0021] Figure 3 It is the utility model adjusting mechanism sectional view;

[0022] Figure 4 It is the utility model circuit mechanism sectional view;

[0023] Figure 5 It is the utility model cone structure rotation mode vehicle height sensor system structure block diagram;

[0024] Figure 6 It is the utility model hall module circuit diagram;

[0025] Figure 7 It is the utility model inclination module circuit diagram;

[0026] Figure 8 It is the utility model connection module circuit diagram.

[0027] In the drawing: 1, circuit mechanism;11, mechanism main body;12, hall element;13, circuit substrate;14, bottom cover;2, adjusting mechanism;21, main body rod;22, convex column body;23, sealing ring;24, snap ring;25, permanent magnet;26, spherical joint;3, upper connecting rod;4, central processing module;5, connection module;6, hall module;7, inclination module. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0029] The prior art has the technical problems of complex structure, low assembly efficiency, complex manufacturing process and easy wear of the spherical soft rubber. Figure 1 Figure 4 The embodiment provides a vehicle body height sensor in a rotary mode of a conical structure, which is simple in structure and process, convenient to assemble, small in friction of a rotating part, and comprises an upper connecting rod 3, an adjusting mechanism 2 arranged below the upper connecting rod 3 and used for cooperating with the upper connecting rod 3 to rotate, a circuit mechanism 1 arranged below the adjusting mechanism 2 and used for sensing the height of a vehicle body, a main rod 21 of the adjusting mechanism 2, a convex column body 22 arranged at the bottom end of the main rod 21, a sealing ring 23 fixedly connected to the middle recess of the convex column body 22 and used for limiting the rotation of the adjusting mechanism 2, a clamping ring 24 fixedly connected to the bottom recess of the convex column body 22 and used for sealing, a permanent magnet 25 fixedly connected to the bottom end of the convex column body 22 and used for generating a magnetic field, a spherical joint 26 arranged at the side end of the main rod 21 and slidingly connected to the bottom end of the upper connecting rod 3, and the clamping ring 24 slidingly connected to the top recess of a mechanism main body 11.

[0030] The adjusting mechanism 2 can be directly pressed into the circuit mechanism 1, the adjusting mechanism 2 cannot be separated from the circuit mechanism 1 in the axial direction due to the limiting effect of the clamping ring 24, and the overall structure is simple and convenient to assemble. According to the technical scheme, the conical structure better plays a guiding role, the rotating shafts of the adjusting mechanism 2 and the circuit mechanism 1 are kept on the same center line, the gap of the rotary contact surface is better obtained, and smaller friction is generated; the sealing ring 23 is in interference fit with the adjusting mechanism 2 and is in close contact with the circuit mechanism 1, water or dust can be better prevented from entering the shaft cavity in the adjusting mechanism 2, compared with the traditional structure, the technical scheme reduces metal rotating shafts, bearings and other parts, and correspondingly reduces the rotary motion and improves the reliability, the permanent magnet 25 can affect the magnetic field of the circuit mechanism 1 below, the circuit mechanism 1 can generate corresponding current to complete the vehicle body height detection work.

[0031] The circuit mechanism 1 comprises the mechanism main body 11, a bottom cover 14 slidingly clamped at the bottom end of the mechanism main body 11 and used for protecting the internal structure of the circuit mechanism 1, a circuit substrate 13 fixedly connected to the top surface of the bottom cover 14 and used for outputting an electric signal, and a Hall element 12 fixedly connected to the top end of the circuit substrate 13 and used for sensing the change of a magnetic field.

[0032] ​The utility model discloses a permanent magnet 25 inlay in the convex column body 22 bottom end, when permanent magnet 25 and hall element 12 are at the proper distance, hall element 12 can induct the magnetic force of permanent magnet 25, and permanent magnet 25 has the division of north and south pole, and therefore the magnetic force will change when permanent magnet 25 rotates, and therefore when the height of car changes, the adjusting mechanism 2 of height sensor connected with car also rotates, and then also drives permanent magnet 25 to rotate, and permanent magnet 25 rotates, and the magnetic force that hall element 12 inducts also changes, and hall element 12 converts the strength of this magnetic force into the strength of electric signal, and exports to the outside through the circuit of circuit substrate 13, and the detection work of the height of car body is completed, and through the cooperation of central processing module, hall module and inclination module, the height of car body can be detected, and the convenience and efficiency of the device are greatly improved.

[0033] Because the car body will incline in the position of turning or steep slope, and the existing car body height sensor is difficult to detect the inclination change, please refer to Figure 4 - Figure 8 A car body height sensor of conical structure rotation mode further comprises a central processing module 4, a connection module 5 for transmitting a detection signal, a hall module 6 for detecting the height of the car body, and an inclination module 7 for detecting the inclination of the car body. The hall module 6 is composed of bidirectional transient suppression diodes D1 and D2, filter capacitors C1, C2, C3, C4 and C5, shunt resistors R1 and R2, and a chip U1 for detecting the height of the car body. The chip U1 outputs a PSI5 signal to the outside through a VDD1 interface, a shunt resistor R1 and an output interface 5V-1 connected in series. Bidirectional transient suppression diodes D1, filter capacitors C1 and C2 are connected in parallel between the VDD1 interface and the VDEC1 interface of the chip U1. Filter capacitors C4, filter capacitors C5 and bidirectional transient suppression diodes D2 are connected in parallel between the VDD2 interface and the VDEC2 interface of the chip U1. A shunt resistor R2 is connected between the filter capacitors C4 and C5. The connection module 5 is composed of a power supply and a connection interface. The power supply is connected to the connection interface 1. The connection interface 3 receives the PSI5 signal emitted by the hall module 6. The connection interface 1 outputs a detection signal to the outside. The inclination module 7 is composed of an inclination chip P1 and a current-limiting resistor R3. The SDA interface and the SCL interface of the inclination chip P1 output an angle signal to the central processing module 4. The model of the chip G1 is CZMSH1V1, and the model of the inclination chip P1 is FI6990.

[0034] The utility model discloses a control mode is through the controller to automatic control, and the control circuit of controller can be realized through the simple programming of the technical personnel of the field, and the provision of power also belongs to the public general knowledge of the field, and the utility model discloses mainly to protect mechanical device, so the utility model discloses will no longer explain the control mode and circuit connection in detail.

[0035] The utility model discloses a control mode is through the controller to automatic control, and the control circuit of controller can be realized through the simple programming of the technical personnel of the field, and the provision of power also belongs to the public general knowledge of the field, and the utility model discloses mainly to protect mechanical device, so the utility model discloses will no longer explain the control mode and circuit connection in detail.

[0036] It should be noted that in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0037] While embodiments of the present application have been shown and described with reference to certain explanations, it is understood that the application should not be limited to the embodiments but should be construed broadly within the spirit and scope of the application as defined by the appended claims and equivalents thereof.

Claims

1. A vehicle body height sensor of a conical structure rotation type including an upper joint rod (3), characterized in that, The upper connecting rod (3) is provided below with an adjusting mechanism (2) for matching the rotation of the upper connecting rod (3), and the adjusting mechanism (2) is provided below with a circuit mechanism (1) for sensing the height of the vehicle body. The adjusting mechanism (2) comprises a main body rod (21), the bottom end of the main body rod (21) is provided with a convex column body (22), the middle part of the convex column body (22) is fixedly connected with a sealing ring (23) for assisting the limiting rotation of the adjusting mechanism (2), the bottom end recess of the convex column body (22) is fixedly connected with a snap ring (24) for sealing, and the bottom end of the convex column body (22) is fixedly connected with a permanent magnet (25) for generating a magnetic field.

2. The vehicle body height sensor according to claim 1, characterized by The circuit mechanism (1) comprises a mechanism main body (11), the bottom end of the mechanism main body (11) is slidably connected with a bottom cover (14) for protecting the internal structure of the circuit mechanism (1), the top surface of the bottom cover (14) is fixedly connected with a circuit substrate (13) for outputting an electrical signal, and the top end of the circuit substrate (13) is fixedly connected with a Hall element (12) for sensing the change of the magnetic field.

3. The vehicle body height sensor according to claim 1, characterized by, The main body rod (21) is also provided with a spherical joint (26) at the side end, and the spherical joint (26) is slidably connected to the bottom end of the upper connecting rod (3).

4. The vehicle body height sensor according to claim 1, characterized by, The snap ring (24) is slidably connected in the top recess of the mechanism main body (11).

5. The vehicle body height sensor according to claim 1, characterized by, The vehicle body height sensor further comprises a central processing module (4), a connection module (5) for transmitting a detection signal, a Hall module (6) for detecting the height of the vehicle body, and an inclination module (7) for detecting the inclination of the vehicle body. The Hall module (6) is composed of bidirectional transient suppression diodes D1 and D2, filter capacitors C1, C2, C3, C4 and C5, shunt resistors R1 and R2, and a chip U1 for detecting the height of the vehicle body. The chip U1 outputs a PSI5 signal outwardly through a VDD1 interface, a shunt resistor R1 and an output interface 5V-1 connected in series. The VDD1 interface and the VDEC1 interface of the chip U1 are connected in parallel with the bidirectional transient suppression diode D1, the filter capacitor C1 and the filter capacitor C2 in sequence. The VDD2 interface and the VDEC2 interface of the chip U1 are connected in parallel with the filter capacitor C4, the filter capacitor C5 and the bidirectional transient suppression diode D2 in sequence. The filter capacitor C4 and the filter capacitor C5 are connected with the shunt resistor R2.

6. The vehicle body height sensor according to claim 5, characterized by The connection module (5) is composed of a power supply and a connection interface. The power supply is connected to the connection interface 1, the connection interface 3 receives the PSI5 signal emitted by the Hall module (6), and the connection interface 1 outputs a detection signal outwardly.

7. The vehicle body height sensor according to claim 6, characterized by The inclination module (7) is composed of an inclination chip P1 and a current limiting resistor R3. The SDA interface and the SCL interface of the inclination chip P1 output an angle signal to the central processing module (4).

8. The vehicle body height sensor according to claim 7, characterized by The model of the chip G1 is CZMSH1V1, and the model of the inclination chip P1 is FI6990.

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