CN215893843U

CN215893843U - Conductive adhesive type automobile seat occupation pressure sensor

Info

Publication number: CN215893843U
Application number: CN202121799740.8U
Authority: CN
Inventors: 周祥东
Original assignee: Jiangsu Rothwell Electric Co ltd
Current assignee: Jiangsu Rothwell Electric Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-02-22
Anticipated expiration: 2031-08-03

Abstract

The utility model relates to a conductive adhesive type automobile seat occupation pressure sensor which comprises an upper shell, conductive adhesive keys, a PCB assembly, a lower shell and an installation metal plate, wherein the lower shell and the installation metal plate are clamped through a buckle; the utility model increases the sensitivity, reliability and service life of the sensor and reduces the production cost.

Description

Conductive adhesive type automobile seat occupation pressure sensor

Technical Field

The utility model relates to the technical field of sensors, in particular to a conductive adhesive type automobile seat occupation pressure sensor.

Background

With the development of automotive safety technology, safety belts and airbags have been a necessary configuration for passive safety devices of automobiles. The seat belt non-system reminding system and the air bag opening must use the seat occupancy signal provided by the automobile seat occupancy pressure sensor to carry out logic judgment, so the automobile seat must be provided with the seat occupancy pressure sensor.

At present, most of automobile seat occupation pressure sensors are installed on the surface of a seat, so that the shape of the sensor is necessarily limited by the shape of the surface of the seat, the sensor is required to be designed to be matched with different shapes of the sensor according to different shapes of the seat, shapes of a seat foaming groove, a seat surface sleeve and the like, and the price of a small-batch sensor is required to be expensive. In addition, the material cost and the manufacturing process of the diaphragm type pressure sensor are expensive, so that the sensor of the type is expensive in price and cannot be applied in a platform mode, and the diaphragm type pressure sensor is not beneficial to platform and cost reduction.

SUMMERY OF THE UTILITY MODEL

The present invention aims to solve the technical problem in sensors at least to a certain extent. Therefore, the utility model provides a conductive adhesive type automobile seat occupation pressure sensor.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides an electroconductive adhesive formula car seat occupy-place pressure sensor, includes casing, electroconductive adhesive button, PCB board assembly, casing and installation panel beating down, the casing passes through the buckle joint with the installation panel beating down, the both ends of installation panel beating are equipped with the couple, PCB board assembly passes through the card foot with lower casing and is connected fixedly, the electroconductive adhesive button is installed on PCB board assembly, there is the locating point below the electroconductive adhesive button and passes through the locating hole location with PCB board assembly contact surface, makes four buttons of electroconductive adhesive correspond four contacts on the PCB board respectively, go up the casing and down the casing joint and have spacingly, prevent that the electroconductive adhesive button from being excessively compressed deformation and inefficacy.

In a preferred embodiment of the present invention, the connector pins on the lower housing are soldered to the PCB assembly.

In a preferred embodiment of the present invention, the inner side of the upper housing has a groove corresponding to the conductive adhesive key to prevent the conductive adhesive key from sliding and twisting during pressing.

In a preferred embodiment of the utility model, the hooks at the two ends of the mounting metal plate hook seat springs on the seat framework to connect the seat occupancy pressure sensor with the seat.

The utility model has the beneficial effects that: after the structure is adopted, the whole sensor is installed without modifying the seat, the defect that the seat cushion sponge and the seat spring need to be modified when the sensor is installed between the seat cushion foaming and the seat framework supporting the sponge is overcome, and the problem that the sensor is limited by the shape of the seat is solved; simultaneously four conducting resin buttons are parallelly connected, do not influence each other, only need a button to switch on, just can realize the function, have increased the sensitivity, the reliability and the life of sensor, and the conducting resin material is littleer than traditional spring noise, and the price is lower, simple to operate between all spare parts, the manufacturing of being convenient for.

Drawings

FIG. 1 is an exploded perspective view of the present invention;

FIG. 2 is a schematic view of the overall installation of the present invention;

in the figure: 1. go up casing, 2, conducting resin button, 3, PCB board assembly, 4, lower casing, 5, installation panel beating, 6, couple, 7, card foot, 8, locating hole, 9, button.

Detailed Description

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 accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1:

as shown in fig. 1 and 2; the utility model provides an electroconductive adhesive formula car seat occupy-place pressure sensor, including last casing 1, electroconductive adhesive button 2, PCB board assembly 3, casing 4 and installation panel beating 5 down, casing 4 passes through the buckle joint with installation panel beating 5 down, the both ends of installation panel beating 5 are equipped with couple 6, PCB board assembly 3 is connected fixedly through card foot 7 with casing 4 down, electroconductive adhesive button 2 is installed on PCB board assembly 3, there is the locating point and passes through locating hole 8 with PCB board assembly 3 contact surface below the electroconductive adhesive button 2 and fix a position, four buttons 9 that make electroconductive adhesive correspond four contacts on the PCB board assembly respectively, it is spacing with lower casing 4 joint and have to go up casing 1, it has the recess that corresponds with electroconductive adhesive button 2 to go up casing 1 inboard.

During the in-service use, four buttons 9 on the conducting resin button 2 are parallelly connected, do not influence each other, only need a button 9 to switch on, just can realize the function, have increased the sensitivity of sensor.

Example 2:

as shown in fig. 1 and 2; the utility model provides a conducting resin formula car seat occupies pressure sensor, includes casing 1, conducting resin button 2, PCB board assembly 3, casing 4 and installation panel beating 5 down, and casing 4 passes through the buckle joint with installation panel beating 5 down, and the both ends of installation panel beating 5 are equipped with couple 6, and the couple 6 at the both ends of installation panel beating 5 hooks the seat spring on the seat skeleton, is connected seat occupy-place pressure sensor and seat.

During the actual use, the sensor is arranged on the seat pad, and installation panel beating 5 it can be integrated easily in various seat forms, does not receive the restriction of seat surface molding, to the seat skeleton of different platforms, only designs different installation panel beating 5, and any change need not be done to the sensor itself.

The working principle is as follows: when the car seat was occupied, casing 1 received pressure to move down on the sensor, then contacted conducting resin button 2, made conducting resin button 2 compressed down, when decurrent pressure reachd the specified value, the contact on conducting resin button 2 and the PCB board 3 made sensor response circuit switch on to detect out that the car seat is occupied, detection signal passes through the connector on the lower casing 4 and links to each other with whole car pencil and transmit to whole car bus.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.

Claims

1. The utility model provides an electrically conductive gluey formula car seat occupies pressure sensor, includes casing, electrically conductive gluey button, PCB board assembly, lower casing and installation panel beating, its characterized in that: the utility model discloses a PCB structure, including casing, installation panel beating, conducting resin button, locating point and PCB assembly contact surface, the casing passes through the buckle joint with the installation panel beating down, the both ends of installation panel beating are equipped with the couple, PCB assembly passes through the card foot with casing down and is connected fixedly, the conducting resin button is installed on PCB assembly, there is the locating point and the PCB assembly contact surface passes through the locating hole location conducting resin button below, makes four buttons of conducting resin correspond four contacts on the PCB board respectively, go up casing and casing joint down and spacing.

2. The conductive adhesive type vehicle seat occupancy pressure sensor according to claim 1, wherein: connector pins on the lower shell are welded on the PCB assembly.

3. The conductive adhesive type vehicle seat occupancy pressure sensor according to claim 1, wherein: and a groove corresponding to the conductive adhesive key is formed in the inner side of the upper shell.

4. The conductive adhesive type vehicle seat occupancy pressure sensor according to claim 1, wherein: the hooks at the two ends of the installation metal plate hook seat springs on the seat framework, and the seat occupying pressure sensor is connected with the seat.