CN212134733U - Acceleration sensor for vehicle - Google Patents
Acceleration sensor for vehicle Download PDFInfo
- Publication number
- CN212134733U CN212134733U CN202021299609.0U CN202021299609U CN212134733U CN 212134733 U CN212134733 U CN 212134733U CN 202021299609 U CN202021299609 U CN 202021299609U CN 212134733 U CN212134733 U CN 212134733U
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- casing
- circuit board
- contact pin
- acceleration sensor
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Abstract
The utility model discloses an acceleration sensor for vehicle, which comprises a housin, contact pin and circuit board, in the casing was located to the circuit board, the lower extreme and the circuit board of contact pin were connected, casing below opening, it is sealed to adopt epoxy sealant in the casing, be equipped with above the casing and connect the spigot, the contact pin upper end upwards stretches out outside the casing and locate and connect the spigot, connect and be equipped with the backstop step on the spigot inside wall, connect and be equipped with the locator card strip on the spigot lateral wall, the upper end of contact pin is through connecting spigot and external circuit electric connection, be equipped with two at least connecting portion on the casing lateral wall, connecting portion can dismantle with the. The utility model has good sealing performance and convenient installation by electrically connecting the plugging pipe orifice with the external circuit; adopt the sealed glue of epoxy to seal in the casing, effectively reduce the interference of automobile body vibrations to the testing result on the one hand, on the other hand has strengthened the insulating isolation characteristic that detects the original paper, is favorable to improving and detects the precision.
Description
Technical Field
The utility model relates to a sensing equipment technical field specifically is an acceleration sensor for vehicle for the vehicle.
Background
An acceleration sensor is a sensitive device which converts strain change on a measured piece into an electric signal, and common acceleration sensors include capacitance type, inductance type, strain type, piezoresistive type, piezoelectric type and the like according to different sensitive elements of the sensor. The acceleration sensor electrical connection who uses among the prior art generally adopts the formula design of being qualified for the next round of competitions, and the core in the one end of electric wire and the sensor passes through the solder wire welding promptly, and the welding part uses sealed glue to consolidate, and the other end exposes externally, consequently long-term back electric wire is not hard up with circuit board core junction easily, and can seriously influence measuring result's accuracy after not hard up, and this design of going out the line formula has bulky and the inconvenient defect of installation. Therefore, there is a need for an acceleration sensor for a vehicle that is reliable in connection, small in size, and easy to install.
SUMMERY OF THE UTILITY MODEL
The utility model provides an acceleration sensor for vehicle, includes casing, contact pin and circuit board, the circuit board is located in the casing, the lower extreme and the circuit board of contact pin are connected, be equipped with above the casing and connect the spigot, the contact pin upper end upwards stretches out outside the casing and locate and connect in the spigot, connect and be equipped with the backstop step on the orificial inside wall of joint, connect and be equipped with the locator card strip on the orificial lateral wall of joint, the upper end of contact pin is through connecting spigot and external circuit electric connection, be equipped with two at least connecting portion on the casing lateral wall, connecting portion can dismantle with the automobile body.
On the basis of the technical scheme, the lower part of the shell is provided with an opening, and the shell is sealed by epoxy sealant.
On the basis of the technical scheme, the circuit board is welded with the transverse/longitudinal acceleration sensor and the chip, and the lower end of the contact pin penetrates through a preformed hole in the circuit board and is welded and fixed with the circuit board through a solder wire.
On the basis of the technical scheme, the shell is made of insulating plastic, the contact pins are embedded with the top surface of the shell, and the shell is formed in an injection molding mode.
On the basis of the technical scheme, the circuit board is horizontally arranged in the shell, and epoxy sealant is filled between the side wall of the circuit board and the inner side wall of the shell.
On the basis of the technical scheme, the surface of the shell is provided with an installation direction mark corresponding to the advancing direction of the vehicle.
Advantageous effects
The utility model discloses be equipped with above the well casing and connect the socket mouth of pipe, the contact pin is through connecing socket mouth of pipe and external circuit electric connection, avoids out all sorts of drawbacks of line formula design, has small and simple to operate's advantage, and connects the locator card strip on the orificial lateral wall of socket and can prevent that the installation from makeing mistakes, connects the backstop step on the socket mouth of pipe inside wall in addition and can ensure exact mounted position, avoids damaging the contact pin because of excessively inserting with adjacent spare part grafting in-process.
The utility model has the advantages that the shell is made of insulating material, the contact pin is embedded with the top surface of the shell and is molded by injection once, thus ensuring good sealing performance; be equipped with two at least connecting portion on the casing lateral wall, connecting portion can dismantle with automobile body accessible self-tapping screw and be connected, have easy dismounting's advantage. In addition, the surface of the shell is provided with an installation direction mark corresponding to the vehicle running direction, so that the error prevention is related to the fact that the signal response direction of the acceleration sensor caused by error installation is opposite to the excitation direction.
The utility model discloses well core on contact pin and the circuit board is through tin wire welded fastening in the casing, and the packing epoxy is sealed in the casing of welding department, so can guarantee the firm degree of being connected of contact pin and core, reduces the short circuit fault risk. In addition, the pressure sensor is filled and sealed by using the epoxy sealant, so that the shock resistance, the impact resistance and the anti-interference performance of the pressure sensor are enhanced, and the detection result of the pressure sensor is more accurate while the acceleration sensor is protected.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawing in the following description is only an embodiment of the invention, and that for a person skilled in the art, other embodiments can be derived from the drawing provided without inventive effort.
FIG. 1: the structure of the utility model is shown schematically;
FIG. 2: the structure of the front view of the utility model is schematic;
FIG. 3: the sectional structure in the direction of A-A in the front view of the utility model is a schematic diagram;
Detailed Description
The invention will be further described with reference to the following figures and examples:
reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The acceleration sensor for the vehicle as shown in fig. 1-3 comprises a shell 1, a contact pin 2 and a circuit board 3, wherein the circuit board 3 is horizontally installed in the shell 1, a transverse/longitudinal acceleration sensor, a chip and other related electronic components are welded on the circuit board 3, and the lower end of the contact pin 2 penetrates through a reserved hole in the circuit board 3 and is welded and fixed with the circuit board 3 through a solder wire.
The shell body 1 is made of insulating plastic, a connecting and inserting pipe opening 4 is formed in the shell body 1, the upper end of the contact pin 2 extends upwards to the outside of the shell body 1 and is arranged in the connecting and inserting pipe opening 4, the contact pin 2 is embedded with the top surface of the shell body 1, and the injection molding is carried out once. Be equipped with backstop step 5 on connecing the inside wall of mouth of pipe 4, connect to be equipped with location card strip 6 on connecing the lateral wall of mouth of pipe 4, the upper end of contact pin 2 is through connecing mouth of pipe 4 and external circuit electric connection, but above-mentioned design on the one hand easy to assemble, on the other hand has reduced the volume greatly, be equipped with two at least connecting portion 7 on the 1 lateral wall of casing, connecting portion 7 can dismantle with the automobile body and be connected.
The casing 1 below opening, just adopt epoxy to seal up in the casing 1, be equipped with a plurality of confession epoxy on the circuit board 3 and glue the filling opening, and it has epoxy sealed glue to fill between the lateral wall of circuit board 3 and the 1 inboard wall of casing. In addition, the surface of the housing 1 is provided with an installation direction mark corresponding to the vehicle traveling direction.
The present invention has been described above by way of example, but the present invention is not limited to the above-mentioned embodiments, and any modification or variation based on the present invention is within the scope of the present invention.
Claims (6)
1. The utility model provides an acceleration sensor for vehicle, includes casing (1), contact pin (2) and circuit board (3), in casing (1) was located in circuit board (3), its characterized in that, the lower extreme and circuit board (3) of contact pin (2) are connected, be equipped with above casing (1) and connect mouth of pipe (4), contact pin (2) upper end upwards stretches out outside casing (1) and locates and connect in connecting mouth of pipe (4), connect and be equipped with backstop step (5) on the inside wall of connecting mouth of pipe (4), connect and be equipped with location card strip (6) on the lateral wall of connecting mouth of pipe (4), the upper end of contact pin (2) is through connecting and connect mouth of pipe (4) and external circuit electric connection, be equipped with two at least connecting portion (7) on casing (1) lateral wall, connecting portion (7) can dismantle with the automobile body.
2. The vehicular acceleration sensor according to claim 1, characterized in that, the casing (1) is opened at the lower side, and the inside of the casing (1) is sealed with epoxy sealant.
3. The vehicular acceleration sensor according to claim 1 or 2, characterized in that the circuit board (3) is soldered with the lateral/longitudinal acceleration sensor and the chip, and the lower end of the contact pin (2) passes through a reserved hole on the circuit board (3) and is soldered and fixed with the circuit board (3) through a solder wire.
4. The vehicular acceleration sensor according to claim 3, characterized in that, the casing (1) adopts insulating plastics, and the contact pin (2) is embedded with the top surface of the casing (1) and is formed by one-time injection molding.
5. The vehicular acceleration sensor according to claim 4, characterized in that, the circuit board (3) is installed horizontally in the casing (1), and the epoxy sealant is filled between the side wall of the circuit board (3) and the inner side wall of the casing (1).
6. The vehicular acceleration sensor according to claim 5, characterized in that, the housing (1) surface is provided with a mounting direction index corresponding to a vehicle traveling direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021299609.0U CN212134733U (en) | 2020-07-03 | 2020-07-03 | Acceleration sensor for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021299609.0U CN212134733U (en) | 2020-07-03 | 2020-07-03 | Acceleration sensor for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212134733U true CN212134733U (en) | 2020-12-11 |
Family
ID=73685937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021299609.0U Active CN212134733U (en) | 2020-07-03 | 2020-07-03 | Acceleration sensor for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212134733U (en) |
-
2020
- 2020-07-03 CN CN202021299609.0U patent/CN212134733U/en active Active
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