CN218297193U

CN218297193U - Sensor with a sensor element

Info

Publication number: CN218297193U
Application number: CN202221589851.0U
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Zhejiang Sanhua Automotive Components Co Ltd
Current assignee: Zhejiang Sanhua Automotive Components Co Ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2023-01-13
Anticipated expiration: 2032-06-23

Abstract

An embodiment of the application provides a sensor, among this sensor pencil with connect and insert subassembly fixed connection, part pencil exposes in connecing and inserts the subassembly, the pencil can realize through electrically conductive piece with circuit module's electricity and/or signal connection, the sensor can realize through the pencil that the pencil is connected with external part or device electricity, has saved the pencil and has connected, has simplified the installation of sensor.

Description

Sensor with a sensor element

Technical Field

The application relates to the technical field of sensing, in particular to a sensor.

Background

The application of the sensor is more and more extensive, when the sensor is assembled, a connector with a wire speed is usually adopted to be fixed with a connector assembly of the sensor, so that the sensor is electrically connected with the outside to realize the transmission of signals, but when the sensor is assembled, the connector with a wire harness needs to be assembled with a connector assembly in the sensor, so that the technical problem of how to simplify the installation of the sensor is solved.

SUMMERY OF THE UTILITY MODEL

One object of the present application is to propose a sensor which facilitates simplified installation.

One embodiment of the present application provides a sensor comprising a substrate; the plug-in assembly is fixedly connected with the base body; the circuit module is positioned on one side of the base body close to the plug-in assembly and is fixedly connected with the base body; the conductive piece is electrically connected and/or in signal connection with the circuit module; the wire harness is welded and fixed with the conductive piece, the wire harness is fixedly connected with the plugging assembly, and part of the wire harness is exposed out of the plugging assembly.

One embodiment of the present application provides a sensor, in which a wire harness is fixedly connected to a connector assembly, a portion of the wire harness is exposed to the connector assembly, the wire harness may be electrically connected and/or signal-connected to a circuit module through a conductive member, and the sensor may be electrically connected to an external component or device through the wire harness, thereby simplifying the installation of the sensor.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic diagram of a sensor according to an embodiment of the present application

FIG. 2 is an exploded schematic view of the sensor of FIG. 1;

FIG. 3 is a schematic side view of FIG. 1;

FIG. 4 isbase:Sub>A schematic cross-sectional view A-A of FIG. 3;

FIG. 5 is a schematic view of the connector assembly of FIG. 1;

FIG. 6 is a schematic cross-sectional view of the connector assembly of FIG. 1;

FIG. 7 is a schematic structural view of the housing of FIG. 1;

FIG. 8 is a schematic view of the structure of the substrate of FIG. 1;

FIG. 9 is a schematic top view of FIG. 8;

fig. 10 is a schematic view of the assembly of the base, the connecting means, the first conducting means and the second conducting means of fig. 1.

Detailed Description

Embodiments of the present application are described below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

The embodiment of the application is described by taking a sensor applied to a vehicle air conditioning system as an example, and the sensor can be applied to other scenes, which is not described in detail.

Referring to fig. 1-10, an embodiment of the present application provides a sensor 10, the sensor 10 including a base 11, a connector assembly 12, a circuit module 13, a conductive member 142, and a wiring harness 141. The connector assembly 12 is fixedly connected with the base 11, the circuit module 13 is located on one side of the base 11 close to the connector assembly 12, the circuit module 13 is fixedly connected with the base 11, the conductive member 142 is electrically and/or signal-connected with the circuit module 13, the wiring harness 141 is welded and fixed with the conductive member 142, the wiring harness 141 is fixedly connected with the connector assembly 12, and part of the wiring harness 141 is exposed out of the connector assembly 12.

According to the sensor 10 of an embodiment of the present application, the wire harness 141 of the sensor 10 is fixedly connected to the connector assembly 12, a portion of the wire harness 141 is exposed from the connector assembly 12, the wire harness 141 can be electrically connected and/or signal-connected to the circuit module 13 through the conductive member 142, the sensor 10 can be electrically connected to an external component or device through the wire harness 141, a wire harness joint structure is omitted, and the installation is simplified during the assembly, so that the assembly efficiency is improved, and the assembly time is reduced.

As shown in fig. 1 and 2, the sensor 10 includes a base 11, a circuit module 13, a connector assembly 12, a wire harness 141, a conductive member 142, a housing 19, and a sensing element 18, where the base 11 includes a first mating portion 111 and a main body portion 112, the first mating portion 111 is located at the periphery of the main body portion 112, the first mating portion 111 may be integrally disposed with the main body portion 112, the first mating portion 111 extends toward the connector assembly 12, the connector assembly 12 has a second mating portion 122, the first mating portion 111 abuts against the second mating portion 122, and at least a part of an accommodation space is formed between the first mating portion 111 and the main body portion 112, and the circuit module 13 and at least a part of the connector assembly 12 are located in the accommodation space. In the axial direction of the sensor 10, at least a part of the connector assembly 12 may be located on one side of the base 11, at least a part of the housing 19 may be located on the opposite side of the base 11, and the connector assembly 12 may be fixedly connected with the housing 19, wherein the fixed connection may be a snap connection, a screw connection, or the like.

As shown in fig. 1, the sensor 10 may further include a fixing member 163, the fixing member 163 may be a latch, further, the connector assembly 12 may have a first connecting portion 161, the substrate 11 may have a second connecting portion 162, and the fixing member 163 may be respectively snap-fitted with the first connecting portion 161 and the second connecting portion 162, so as to implement the mounting or dismounting between the connector assembly 12 and the substrate 11, and facilitate the maintenance and replacement of the circuit module 13.

In other embodiments of the present application, the connector assembly 12 and the base 11 may also be screwed, the fixing member 163 may be a bolt, the first connecting portion 161 has a first fitting hole, the second connecting portion 162 has a second fitting hole, and the bolt is screwed with the first fitting hole and the second fitting hole by passing the bolt through the first fitting hole and the second fitting hole, thereby realizing the mounting or dismounting between the connector assembly 12 and the base 11.

As shown in fig. 4, the circuit module 13 is located at the upper end of the base 11, the circuit module 13 may be fixedly connected to the base 11, in one embodiment of the present application, the circuit module 13 and the base 11 may be fixed by gluing, and the circuit module 13 may include a circuit board 131 and an electronic component. The electronic components may include components such as capacitors, resistors and chips, which may be electrically connected to the circuit board 131, and in particular, the circuit board 131 is provided with wires, which may be electrically connected to facilitate the transmission of pressure and/or temperature signals to the electronic components through the circuit board 131.

As shown in fig. 6, the connector assembly 12 further has a first accommodating cavity 121, the first accommodating cavity 121 may be multiple, and the first accommodating cavity 121 may be configured to accommodate at least a portion of the wire harness 141, a portion of the wire harness 141 is exposed in the connector assembly 12, the wire harness 141 may be electrically connected to the outside to implement signal transmission, the wire harness 141 may be fixed to the connector assembly 12 in a sealing manner, in an embodiment of the present application, the connector assembly 12 may be a plastic component, the connector assembly 12 may be formed by insert injection molding using the wire harness 141 and the conductive member 142, the wire harness 141 may be welded to the conductive member 142, and a welding position of the wire harness 141 and the conductive member 142 is located in the connector assembly 12, so as to improve a sealing effect of the sensor 10.

As shown in fig. 2, the sensor 10 further includes a first sealing ring 101, the base 11 further includes a step 113, the step 113 extends toward the connector assembly 12, the step 113 has a step surface 1131, at least a portion of a second accommodating cavity is formed between the step surface 1131 and the connector assembly 12, and a sealing ring is located in the second accommodating cavity, the first sealing ring 101 can prevent liquid or gas detected by the sensor 10 from leaking from a matching position between the connector assembly 12 and the base 11, so as to ensure the sealing performance of the sensor 10 and improve the accuracy of measurement of the sensor 10.

The conductive member 142 may be electrically connected or signal-connected to the circuit module 13, and the conductive member 142 may transmit a signal to the control system so that the control system receives the signal detected by the sensor 10. Further, the wire harness 141 may be electrically connected to the conductive member 142, wherein the wire harness 141 may be electrically connected to other devices of the vehicle, the conductive member 142 may be electrically or signal-connected to the circuit module 13, further, the conductive member 142 has a first end 1421 and a second end 1422, the first end 1421 is close to the base 11, the first end 1421 may be electrically or signal-connected to the circuit module 13, the second end 1422 is far from the base 11 relative to the first end 1421, and the second end 1422 may be welded and fixed to the wire harness 141. In an embodiment of the present application, the conductive member 142 may be a pin, the wire harness 141 and the pin may be fixed by welding, and during processing, the wire harness 141 and the pin are welded and fixed first, and the wire harness 141 and the pin are fixedly connected with the connector assembly 12 by using an integral injection molding method, further, the connector assembly 12 further has an injection molding hole 123, and the injection molding hole 123 may reduce the size of the connector assembly 12 after the injection molding process due to temperature reduction, thereby causing the surface of the connector assembly 12 to be uneven.

As shown in fig. 3 and 4, the sensor 10 may further include a conductive member 15, one end of the conductive member 15 may be electrically connected to the conductive member 142 to be suitable for transmitting a detection signal (e.g., a pressure signal, a temperature signal) of the circuit module 13 to a control unit or a receiver, and the other end of the conductive member 15 may be electrically connected to the circuit board 131, wherein the conductive member 15 includes a first conductive member 151 and a second conductive member 152, a lower end of the first conductive member 151 is electrically connected to the circuit module 13 in an axial direction, such as an up-down direction shown in fig. 4, an upper end of the first conductive member 151 is in contact with or fixedly connected to a lower end of the second conductive member 152, and an upper end of the second conductive member 152 is in contact with the first end 1421 of the conductive member 142.

As shown in fig. 7, the sensor 10 may further include a protection device 191, where the protection device 191 is provided with a third accommodating cavity, and at least a portion of the sensing element 18 may be located in the third accommodating cavity, and the protection device 191 may protect the sensing element 18 to prevent the sensing element 18 from being deformed by an external force and thus affecting normal detection of the sensing element 18.

As shown in fig. 4 and 7, the housing 19 has a third mating portion 192, the third mating portion 192 may be located on a side of the housing facing the connector assembly 12, the base 11 has a fourth mating portion 114, the housing 19 and the base 11 may be made of metal, and the third mating portion 192 and the fourth mating portion 114 may be welded and fixed, so as to omit an O-ring, reduce the cost and the assembly difficulty of the sensor 10, and improve the assembly efficiency of the sensor 10. The inner wall of the shell 19 is formed with a supporting surface 196, the base body 11 is attached to the supporting surface 196, the shell 19 is provided with a third accommodating cavity, and at least part of the sensing element 18 is positioned in the third accommodating cavity.

In some embodiments of the present invention, as shown in fig. 4, the sensing element 18 may include a temperature sensing element 181 and a pressure sensing element 182, the temperature sensing element 181 may detect the temperature of the liquid and/or gas and convert the temperature into a temperature signal, and optionally, the temperature sensing element 181 may be disposed on a side of the substrate 11 away from the circuit module 13. The pressure sensing element 182 can detect the pressure of the liquid and/or gas, alternatively, the pressure sensing element 182 and the temperature sensing element 181 may be located on the same side of the substrate 11 along the axial direction, the pressure sensing element 182 may be disposed between the substrate 11 and the housing 19, or the pressure sensing element 182 and the temperature sensing element 181 may be located on two sides of the substrate 11 along the axial direction, the substrate 11 may be provided with a pressure guiding hole (not shown), the circuit module 13 may be provided with a through hole (not shown), the through hole may be disposed corresponding to the pressure guiding hole, and the pressure sensing element 182 may be disposed opposite to the pressure guiding hole to ensure that the gas and/or liquid in the through hole can directly act on the pressure sensing element 182. It is understood that one end of the pressure-guiding hole may be provided with a pressure-sensing element 182, and the other end of the pressure-guiding hole may be communicated with a channel below the base 11, when the sensor 10 is installed in the internal channel of the detected device, the liquid or gas such as refrigerant of the internal channel will flow in from one side of the sensor 10 and directly act on the pressure-sensing element 182 along the pressure-guiding hole, and the pressure-sensing element 182 will further detect the pressure in the channel and convert it into a pressure signal to be transmitted to the circuit module 13.

As shown in fig. 10, in some embodiments of the present invention, the sensor 10 may include a connection device 171, a first conductive device 172 and a second conductive device 173, the substrate 11 may be provided with a mounting hole 115, the connection device 171 may be fixed in the mounting hole 115 and hermetically connected to the substrate 11, at least a portion of the first conductive device 172 and at least a portion of the second conductive device 173 may be arranged in the connection device 171 and hermetically connected to the connection device 171, wherein the material of the connection device 171 may be glass, the material of the first conductive device 172 and the material of the second conductive device 173 may be conductive metal, and the connection device 171 may hermetically and fixedly connect the first conductive device 172 and the second conductive device 173 to the substrate 11 through a glass sintering process. As shown in the up-down direction of FIG. 10, the first conducting means 172 and the second conducting means 173 may be provided in plurality, the upper end of the first conducting means 172 and the upper end of the second conducting means 173 may protrude from the base 11, and the first conducting means 17

The lower end of the second conductive device 173 may protrude from the base 11 and be welded to the temperature sensing element 181, and the lower end of the second conductive device 2 may protrude from the base 11 and be welded to the pressure sensing element 182.

As shown in fig. 8, the sensor 10 may further include a second sealing ring 102, the housing 19 may include a first section 193 and a second section 194, the first section 193 and the second section 194 may be integrally disposed, the first section 193 is fixed to the connector assembly in a snap-fit manner, the second section 194 is provided with an annular groove 195, the second sealing ring 102 may be located in the annular groove 195, and during the installation of the sensor 10, the second sealing ring 102 may have a sealing effect on the installation position when the sensor 10 is installed with an external device or an external system.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims

1. A sensor, comprising:

a base (11);

the connector assembly (12), the connector assembly (12) is fixedly connected with the base body (11);

the circuit module (13) is positioned on one side of the base body (11) relatively close to the connector assembly (12), and the circuit module (13) is fixedly connected with the base body (11);

an electrically conductive member (142), the electrically conductive member (142) being electrically and/or signally connected to the circuit module (13);

the wire harness (141), the wire harness (141) with the conductive piece (142) welded fastening, the wire harness (141) with connect the subassembly (12) fixed connection, some the wire harness (141) expose in connect the subassembly (12).

2. The sensor of claim 1, wherein the connector assembly (12) is insert molded with at least the harness (141) and the conductive member (142), and wherein the weld between the harness (141) and the conductive member (142) is located within the connector assembly (12).

3. Sensor according to claim 1, characterized in that the circuit module (13) has a circuit board (131), the circuit board (131) being fixedly connected to the base body (11), the conductive element (142) abutting the circuit board (131) for electrical and/or signal connection to the circuit board (131).

4. Sensor according to claim 2, characterized in that the circuit module (13) has a circuit board (131), the circuit board (131) being fixedly connected to the base body (11), the electrically conductive element (142) abutting against the circuit board (131) for electrical and/or signal connection to the circuit board (131).

5. Sensor according to claim 1, characterized in that the circuit module (13) has a conductive component (15) and a circuit board (131), the circuit board (131) is fixedly connected with the base body (11), the conductive component (15) is fixedly welded with the circuit board (131), and the conductive piece (142) abuts against the conductive component (15).

6. Sensor according to claim 2, characterized in that the circuit module (13) has a conductive component (15) and a circuit board (131), the circuit board (131) being fixedly connected to the base body (11), the conductive component (15) being fixedly welded to the circuit board (131), the conductive element (142) abutting against the conductive component (15).

7. The sensor according to claim 6, characterized in that the conductive assembly (15) comprises a first conductive element (151) and a second conductive element (152), the first conductive element (151) is welded and fixed with the circuit board (131), one end of the second conductive element (152) close to the base body (11) is welded and fixed with the first conductive element (151), and one end of the second conductive element (152) relatively far from the base body (11) is in elastic contact with the conductive element (142).

8. The sensor according to any one of claims 1 to 7, wherein the base body (11) comprises a first mating portion (111) and a main body portion (112), the first mating portion (111) and the main body portion (112) being integrally provided, the first mating portion (111) extending towards the connector assembly (12), the connector assembly (12) having a second mating portion (122), the first mating portion (111) abutting the second mating portion (122).

9. The sensor of claim 8, comprising: fixing piece (163), connect the plug-in components (12) and have first connecting portion (161), the base body has second connecting portion (162), fixing piece (163) respectively with first connecting portion (161) with second connecting portion (162) joint is fixed or the spiro union is fixed.

10. The sensor of claim 9, comprising: first sealing washer (101), base member (11) have step portion (113) towards one side of connecing connector assembly (12), step portion (113) have step face (1131), step face (1131) with connect connector assembly (12) to form at least partial second and hold the chamber, first sealing washer (101) are located the second holds the chamber.

11. The sensor of claim 10, comprising: a connecting device (171), wherein the connecting device (171) is positioned in the base body (11) and is connected with the base body (11) in a sealing way; a first conductive means (172), at least part of said first conductive means (172) being located within said connecting means (171) and being in sealed connection with said connecting means (171); a second electrically conductive means (173), said second electrically conductive means (173) being located within said connection means (171) and being in sealed connection with said connection means (171).

12. The sensor of claim 11, comprising: a sensing element (18), the sensing element (18) comprising a temperature sensing element (181) and a pressure sensing element (182); along the axial direction, the pressure sensing element (182) and the circuit module (13) are positioned at two sides of the base body (11) along the axial direction, and the pressure sensing element (182) is electrically and/or signal-connected with the second conductive device (173); the pressure sensing element (182) and the temperature sensing element (181) are located on the same side of the substrate (11) along the axial direction, and the temperature sensing element (181) is electrically and/or signal-connected with the first conductive device (172).