Novel acceleration sensor for electric control suspension

Abstract

The utility model belongs to the technical field of sensors, and particularly relates to a novel acceleration sensor for an electric control suspension, which comprises an upper shell, a lower shell, a circuit board arranged between the upper shell and the lower shell, a connecting piece and a wiring harness socket for connecting a circuit, the upper shell and the lower shell are of an integrated structure so as to realize sealing protection of the circuit board; a connecting hole is formed in the connecting piece and used for being connected with a support on a suspension. The axis of the connecting hole is parallel to the axis of the wire harness socket. The acceleration sensor is used for solving the technical problem that the service life of an existing acceleration sensor is shortened due to the fact that the existing acceleration sensor cannot isolate dust, water, smoke and the like from invasion.

Description

Technical Field

[0001] The utility model belongs to the technical field of sensors, and in particular relates to a novel acceleration sensor for an electronically controlled suspension. Background Art

[0002] As people's requirements for car driving experience continue to increase, the market share and prospects of electronically controlled shock absorbers are also gradually increasing. Electronically controlled shock absorber systems are gradually becoming the mainstream of the market because they use electronic control technology, which makes the damping continuously adjustable, the response speed fast, and more comfortable to deal with various road surfaces. The acceleration sensor is the most important and indispensable component of the electronically controlled shock absorber system.

[0003] The prior art discloses a patent application entitled "A sensor device for active suspension control", with application publication number CN 108020684 A and application publication date 2018.05.11, which includes a sensor housing, a sensor sealing cover, a sensor detection circuit board, and a detection transmission assembly. The front end of the chamber inside the sensor housing is provided with a sensor detection circuit board, the sensor sealing cover is connected to the sensor housing at the front end and seals the chamber, and an electrical connector is also provided on the lower side of the sensor housing to connect with the sensor detection circuit board. The present invention integrates two sensors, height and acceleration, to make it a sensor that can output both acceleration and height.

[0004] However, in the above-mentioned prior art, the sensor housing and the sensor sealing cover are separately arranged, which may easily lead to poor sealing at the connection between the two, and fail to isolate the entry of dust, water, smoke, etc., thereby causing damage to the circuit board and affecting the service life of the acceleration sensor. Utility Model Content

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a novel acceleration sensor for an electronically controlled suspension, which is used to solve the technical problem that the current acceleration sensor cannot isolate itself from the intrusion of dust, water, smoke, etc., resulting in a shortened service life.

[0006] To achieve the above-mentioned purpose, the technical solution of the utility model is: a new acceleration sensor for an electronically controlled suspension, the acceleration sensor comprising an upper shell, a lower shell, a circuit board arranged between the upper shell and the lower shell, a connecting piece and a wiring harness socket for connecting the circuit; the upper shell and the lower shell are an integrated structure to achieve sealed protection for the circuit board; a connecting hole is provided on the connecting piece for connecting to a bracket on the suspension; the axis of the connecting hole is parallel to the axis of the wiring harness socket.

[0007] Preferably, the connector and the wiring harness socket are located on a side of the lower housing away from the upper housing.

[0008] Preferably, a guide and positioning portion is provided at the end of the wiring harness socket away from the opening thereof.

[0009] Preferably, the guide positioning portion comprises a tapered section.

[0010] Preferably, the guiding and positioning portion further comprises a limiting section connecting the tapered section and the wiring harness interface, and a step structure is formed at the connection between the limiting section and the tapered section.

[0011] The beneficial effects of adopting the technical solution of the utility model are:

[0012] The circuit board of the utility model is protected by an upper shell and a lower shell, and the upper shell and the lower shell are integrally formed to seal and protect the circuit board, so as to prevent dust, water, smoke, etc. from penetrating into and contacting the circuit board, causing damage to the circuit board, thereby shortening the service life of the acceleration sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The figure is a schematic diagram of an embodiment of a novel acceleration sensor for an electronically controlled suspension;

[0014] Figure 2 It is a schematic diagram of a front view of an embodiment of a novel acceleration sensor for an electronically controlled suspension;

[0015] Figure 3 A state explosion diagram is used for an embodiment of a novel acceleration sensor for an electronically controlled suspension.

[0016] in, Figure 1-3 In the figure, 1-lower housing, 2-circuit board, 3-upper housing, 4-wiring harness socket, 5-connecting piece, 6-connecting hole, 7-limiting section, 8-tapered end, 9-bracket. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments, and do not limit the scope of the present invention.

[0018] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] The specific embodiments are as follows:

[0021] Embodiment 1, as Figure 1-3 As shown, a novel acceleration sensor for an electronically controlled suspension includes an upper shell 3, a lower shell 1, a circuit board 2, a connector 5, and a wiring harness socket 4. The circuit board 2 is fixed in the cavity formed by the upper shell 3 and the lower shell 1. The lower shell 1, the connector 5, and the wiring harness socket 4 are an integrally formed structure, and the circuit board 2 is fixed in the lower shell 1 by insert injection molding. At the opening of the lower shell, it is sealed by direct glue pouring, and the upper shell 3 is formed, which makes the upper shell 3 and the lower shell 1 an integral structure. In this way, the upper shell 3 and the lower shell 1 seal and protect the circuit board 2 inside, and can also effectively prevent dust, water, smoke, etc. from entering the interior and contaminating the circuit board 2, thereby reducing the damage of the circuit board 2 and extending the service life of the acceleration sensor.

[0022] The connector 5 and the harness socket 4 are connected to the lower housing 1. A connecting hole 6 is provided on the connector 5 for inserting a bolt to fix the acceleration sensor to the bracket 9 on the suspension. Also, the axis of the connecting hole 6 and the axis of the harness socket 4 are parallel to each other; therefore, the designer will leave enough space in the axis direction of the connecting hole 6 for easy installation, and the space left is just convenient for connecting the line on the harness socket 4, reducing the space occupied, so that the layout of the parts on the vehicle can be more reasonable and convenient to use.

[0023] When using the acceleration sensor for the electric control suspension of the utility model, the connection hole 6 on the connecting member 5 is aligned with the bolt hole reserved on the bracket 9, and the connecting member 5 is locked on the bracket by bolts, thereby completing the installation of the acceleration sensor on the suspension. Since the upper shell 3 and the lower shell 1 are integrally formed by insert injection molding, the circuit board 2 is sealed and protected inside, effectively preventing dust, water, smoke, etc. from entering and contaminating the circuit board 2, thereby extending the service life of the acceleration sensor. In addition, the axis of the wiring harness socket 4 and the circumference of the connection hole 6 are parallel to each other, which facilitates the connection of the line with the wiring harness socket 4 and is more convenient to use.

[0024] Furthermore, the connector 5 and the harness socket 4 are arranged on the same side of the lower housing 1 and on the side away from the upper housing 3, so that the acceleration sensor has a higher degree of integration, a more reasonable structure, and is easier to process.

[0025] Furthermore, a guide positioning portion is provided at the end of the wiring harness socket 4 away from the opening thereof, for cooperating with a positioning hole reserved on the bracket 9 to ensure the installation accuracy of the acceleration sensor and the stability after installation.

[0026] Specifically, the guide positioning portion includes a tapered section 8 and a limiting section 7. The tapered section 8 is connected to the harness socket 4 through the limiting section 7, and a step pattern is formed at the connection between the tapered section 8 and the limiting section 7. In this way, during installation, it is more convenient for the thinner end of the tapered section 8 to first enter the positioning hole on the bracket 9, and the tapered pattern allows the tapered section 8 to press against the positioning hole wall after entering the positioning hole, thereby achieving pre-positioning of the acceleration sensor, and completing the installation after the bolt enters the connecting hole 6. While facilitating installation, the acceleration sensor will not be dislocated due to the limiting effect of the tapered section 8.

[0027] The above is an exemplary description of the utility model in conjunction with the accompanying drawings. It is obvious that the specific implementation of the utility model is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the technical solution of the utility model, or the concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A novel acceleration sensor for electronically controlled suspension, characterized in that: The acceleration sensor includes an upper shell, a lower shell, a circuit board arranged between the upper shell and the lower shell, a connector and a wiring harness socket for connecting the circuit; the upper shell and the lower shell are an integrated structure to achieve sealed protection for the circuit board; a connecting hole is provided on the connector for connecting to a bracket on a suspension; the axis of the connecting hole is parallel to the axis of the wiring harness socket.

2. The novel acceleration sensor for electronically controlled suspension according to claim 1 is characterized in that: The connector and the harness socket are located on a side of the lower housing away from the upper housing.

3. The novel acceleration sensor for electronically controlled suspension according to claim 1 is characterized in that: The end of the wiring harness socket away from the opening is provided with a guide positioning portion.

4. The novel acceleration sensor for electronically controlled suspension according to claim 3 is characterized in that: The guide positioning portion includes a tapered section.

5. The novel acceleration sensor for electronically controlled suspension according to claim 4 is characterized in that: The guiding and positioning portion further comprises a limiting section connecting the tapered section and the wiring harness socket, and a step structure is formed at the connection between the limiting section and the tapered section.

Images