CN218546809U - Sensor assembly and connector - Google Patents

Abstract

The utility model discloses a sensor assembly and connector. The sensor assembly includes: a sensor having outwardly projecting rigid contacts; a circuit board having electrical contact pads disposed on a surface thereof; and a resilient terminal compressed between the sensor and the circuit board. Two ends of the elastic terminal respectively abut against the rigid contact of the sensor and the electric contact pad of the circuit board to electrically connect the sensor to the circuit board. The utility model discloses in, the elastic terminal sets up between sensor and circuit board, does not set up the elastic terminal in the sensor. Therefore, the structure of the sensor is simplified, and the cost is reduced. Furthermore, the utility model discloses whole sensor assembly's size can also be reduced.

Description

Sensor Assemblies and Connectors

technical field

The utility model relates to a sensor assembly and a connector used for the sensor assembly.

Background technique

In the prior art, in order to realize the electrical connection between the sensor and the circuit board, it is usually necessary to solder a rigid terminal on the circuit board. The rigid terminal has pins that are inserted and soldered into sockets on the circuit board and contacts for making electrical contact with spring terminals on the sensor. In the prior art, in order to ensure the reliability of electrical contact, the sensor is provided with elastic terminals, for example, pogo pin type elastic terminals (commonly called Pogo Pin), but this will lead to complex structure and high cost of the sensor. In addition, the large axial length of the elastic terminal also leads to an excessively large axial dimension of the sensor. In addition, the size of the rigid terminal soldered on the circuit board is also large, which will cause the overall sensor assembly to be too large in size and cannot meet the requirements of product miniaturization.

Utility model content

The purpose of this utility model is to solve at least one aspect of the above-mentioned problems and defects existing in the prior art.

According to one aspect of the present invention, a sensor assembly is provided. The sensor assembly includes: a sensor with outwardly protruding rigid contacts; a circuit board with electrical contact pads disposed on a surface thereof; and a spring terminal compressed between the sensor and the circuit board. Two ends of the elastic terminal abut against the rigid contacts of the sensor and the electrical contact pads of the circuit board respectively, so as to electrically connect the sensor to the circuit board.

According to an exemplary embodiment of the present invention, the sensor assembly further includes: an insulator including a terminal mounting portion. A terminal installation groove is formed in the terminal installation part, the elastic terminal is inserted into the terminal installation groove, and both ends of the elastic terminal protrude from the terminal installation groove.

According to another exemplary embodiment of the present invention, there is a gap between the elastic terminal and the inner wall of the terminal installation groove, so as to allow the elastic terminal to move along the direction of the elastic terminal in the terminal installation groove. Axial elastic deformation.

According to another exemplary embodiment of the present utility model, the insulator is a casing, and the circuit board is fixedly installed in the casing.

According to another exemplary embodiment of the present invention, the elastic terminal includes: a first end, which is in electrical contact with the rigid contact of the sensor; a second end, which is in electrical contact with the electrical contact pad on the circuit board and an elastic part, connected between the first end and the second end, capable of elastic deformation along the axial direction of the elastic terminal.

According to another exemplary embodiment of the present invention, the elastic portion of the elastic terminal is in the shape of a coil spring, so that the elastic portion of the elastic terminal can be elastically deformed along the axial direction of the elastic terminal.

According to another exemplary embodiment of the present invention, the first end and the second end of the elastic terminal are rigid, so that the first end and the second end of the elastic terminal cannot move along the axis of the elastic terminal. Elastic deformation.

According to another exemplary embodiment of the present invention, the first end of the elastic terminal is U-shaped, and an arc-shaped first contact protrusion is formed on the end surface of the first end, and the first Contact protrusions make electrical contact with rigid contacts on the sensor.

According to another exemplary embodiment of the present invention, a support shoulder is formed on the side of the first end of the elastic terminal, a support step is formed in the terminal installation groove, and the support shoulder is Supported on the supporting step to ensure that the compression amount of the elastic terminal in the axial direction is equal to a predetermined compression amount.

According to another exemplary embodiment of the present utility model, the second end of the elastic terminal is U-shaped, and an arc-shaped second contact protrusion is formed on the end surface of the second end, and the second contact The bumps make electrical contact with electrical contact pads on the circuit board.

According to another exemplary embodiment of the present invention, the electrical contact pads are electrical contacts formed on the circuit board, and the electrical contacts are formed together with conductive traces on the circuit board.

According to another exemplary embodiment of the present invention, the electrical contact pad is a conductive component additionally provided on the circuit board, and the conductive component is electrically connected to the circuit board.

According to another exemplary embodiment of the present invention, the sensor has a plurality of rigid contacts, the sensor assembly includes a plurality of elastic terminals respectively corresponding to the plurality of rigid contacts, and the circuit board has a The plurality of elastic terminals respectively correspond to a plurality of electrical contact pads.

According to another exemplary embodiment of the present invention, the sensor assembly includes a plurality of sensors and a plurality of sets of elastic terminals respectively corresponding to the plurality of sensors, and each set of elastic terminals is connected to a rigid contact on a corresponding sensor. Electrical contact; the circuit board has multiple sets of electrical contact pads respectively corresponding to the multiple sets of elastic terminals, and the multiple sets of elastic terminals are in electrical contact with the multiple sets of electrical contact pads on the circuit board.

According to another exemplary embodiment of the present utility model, the sensor assembly further includes: a limiting member, installed on the terminal installation part, for restricting the elastic terminal in the terminal installation groove, so as to The elastic terminal is prevented from being separated from the terminal mounting portion.

According to another exemplary embodiment of the present utility model, the stopper has a blocking portion abutting against the end of the elastic terminal, so as to prevent the elastic terminal from moving outward relative to the terminal installation groove .

According to another exemplary embodiment of the present invention, the sensor includes: an insulating shell; a sensing element disposed in the insulating shell; and the rigid contact fixed to the insulating shell and protruding to the Outside the insulating shell, the rigid contact is electrically connected to the sensing element.

According to another aspect of the present invention, a connector is provided. The connector includes: an insulator including a terminal installation part and a terminal installation groove formed in the terminal installation part; and an elastic terminal inserted into the terminal installation groove and extending from the terminal installation groove at both ends It can be seen that the elastic terminal is adapted to be axially compressed between the sensor and the circuit board, so as to realize the electrical connection between the sensor and the circuit board.

According to an exemplary embodiment of the present invention, there is a gap between the elastic terminal and the inner wall of the terminal installation groove, so as to allow the elastic terminal to move along the axis of the elastic terminal in the terminal installation groove. Elastic deformation.

According to another exemplary embodiment of the present invention, the elastic terminal includes: a first end, which is in electrical contact with the sensor; a second end, which is in electrical contact with the circuit board; and an elastic part, which is connected to the The space between the first end and the second end can be elastically deformed along the axial direction of the elastic terminal.

According to another exemplary embodiment of the present invention, the elastic portion of the elastic terminal is in the shape of a coil spring, so that the elastic portion of the elastic terminal can be elastically deformed along the axial direction of the elastic terminal.

According to another exemplary embodiment of the present invention, the first end and the second end of the elastic terminal are rigid, so that the first end and the second end of the elastic terminal cannot move along the axis of the elastic terminal. Elastic deformation.

According to another exemplary embodiment of the present invention, the first end of the elastic terminal is U-shaped, and an arc-shaped first contact protrusion is formed on the end surface of the first end, and the first Contact protrusions make electrical contact with rigid contacts on the sensor.

According to another exemplary embodiment of the present invention, a support shoulder is formed on the side of the first end of the elastic terminal, a support step is formed in the terminal installation groove, and the support shoulder is Supported on the supporting step to ensure that the compression amount of the elastic terminal in the axial direction is equal to a predetermined compression amount.

According to another exemplary embodiment of the present utility model, the second end of the elastic terminal is U-shaped, and an arc-shaped second contact protrusion is formed on the end surface of the second end, and the second contact The bumps make electrical contact with electrical contact pads on the circuit board.

According to another exemplary embodiment of the present invention, the connector further includes: a limiting member, installed on the terminal installation part, for limiting the elastic terminal in the terminal installation groove, so as to The elastic terminal is prevented from being separated from the terminal mounting portion.

According to another exemplary embodiment of the present utility model, the stopper has a blocking portion abutting against the end of the elastic terminal, so as to prevent the elastic terminal from moving outward relative to the terminal installation groove .

In the foregoing exemplary embodiments according to the present invention, the elastic terminal is arranged between the sensor and the circuit board, and no elastic terminal is arranged in the sensor. Therefore, the structure of the sensor is simplified and the cost is reduced. In addition, the present invention can also reduce the size of the whole sensor assembly.

Through the following description of the utility model with reference to the accompanying drawings, other purposes and advantages of the utility model will be apparent, and can help to have a comprehensive understanding of the utility model.

Description of drawings

Fig. 1 shows a schematic perspective view of a sensor assembly according to an exemplary embodiment of the present invention;

Fig. 2 shows an axial sectional view of a sensor assembly according to an exemplary embodiment of the present invention;

Fig. 3 shows an exploded schematic diagram of a sensor assembly according to an exemplary embodiment of the present invention;

Figure 4 shows an exploded cross-sectional view of a sensor assembly according to an exemplary embodiment of the present invention;

Fig. 5 shows a schematic perspective view of elastic terminals and insulators of a sensor assembly according to an exemplary embodiment of the present invention;

Figure 6 shows an exploded schematic diagram of a sensor assembly according to an exemplary embodiment of the present invention;

Fig. 7 shows a schematic perspective view of the elastic terminal of the sensor assembly according to an exemplary embodiment of the present invention.

Detailed ways

The technical solutions of the present utility model will be further specifically described below through the embodiments and in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals designate the same or similar components. The following descriptions of the embodiments of the utility model with reference to the accompanying drawings are intended to explain the overall utility model concept of the utility model, and should not be construed as a limitation of the utility model.

In addition, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a comprehensive understanding of the embodiments of the present disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in diagrammatic form to simplify the drawings.

According to a general technical idea of the utility model, a sensor assembly is provided. The sensor assembly includes: a sensor with outwardly protruding rigid contacts; a circuit board with electrical contact pads disposed on a surface thereof; and a spring terminal compressed between the sensor and the circuit board. Two ends of the elastic terminal abut against the rigid contacts of the sensor and the electrical contact pads of the circuit board respectively, so as to electrically connect the sensor to the circuit board.

According to another general technical idea of the present utility model, a connector is provided. The connector includes: an insulator including a terminal installation part and a terminal installation groove formed in the terminal installation part; and an elastic terminal inserted into the terminal installation groove and extending from the terminal installation groove at both ends It can be seen that the elastic terminal is adapted to be axially compressed between the sensor and the circuit board, so as to realize the electrical connection between the sensor and the circuit board.

Fig. 1 shows a schematic perspective view of a sensor assembly according to an exemplary embodiment of the present invention; Fig. 2 shows an axial sectional view of a sensor assembly according to an exemplary embodiment of the present invention; Fig. 3 shows a schematic view of a sensor assembly according to an exemplary embodiment of the present invention An exploded schematic view of a sensor assembly of an exemplary embodiment of the present invention; FIG. 4 shows an exploded cross-sectional view of a sensor assembly according to an exemplary embodiment of the present invention.

As shown in FIGS. 1 to 4 , in an exemplary embodiment of the present invention, a sensor assembly is disclosed. The sensor assembly includes: a sensor 1 , a circuit board 2 and an elastic terminal 3 . The sensor 1 has an outwardly protruding rigid contact 11 . The circuit board 2 has electrical contact pads 21 provided on its surface. The elastic terminal 3 is compressed between the sensor 1 and the circuit board 2 . Two ends 31 , 32 of the elastic terminal 3 abut against the rigid contact 11 of the sensor 1 and the electrical contact pad 21 of the circuit board 2 respectively, so as to electrically connect the sensor 1 to the circuit board 2 .

Fig. 5 shows a three-dimensional schematic diagram of the elastic terminal 3 and the insulator 4 of the sensor assembly according to an exemplary embodiment of the present utility model; Fig. 6 shows an exploded schematic view of the sensor assembly according to an exemplary embodiment of the present utility model; Fig. 7 shows a schematic perspective view of the elastic terminal 3 of the sensor assembly according to an exemplary embodiment of the present invention.

As shown in FIGS. 1 to 7 , in the illustrated embodiment, the sensor assembly further includes an insulator 4 . The insulator 4 includes a terminal mounting portion 40 . A terminal installation groove 41 is formed in the terminal installation portion 40 , the elastic terminal 3 is inserted into the terminal installation groove 41 , and the two ends 31 , 32 of the elastic terminal 3 protrude from the terminal installation groove 41 .

As shown in Figures 1 to 7, in the illustrated embodiment, there is a gap between the elastic terminal 3 and the inner wall of the terminal installation groove 41 to allow the elastic terminal 3 to move along the axis of the elastic terminal 3 in the terminal installation groove 41. Elastic deformation.

As shown in FIGS. 1 to 7 , in the illustrated embodiment, the insulator 4 is a casing, and the circuit board 2 is fixedly installed in the casing.

As shown in FIGS. 1 to 7 , in the illustrated embodiment, the elastic terminal 3 includes: a first end 31 , a second end 32 and an elastic portion 33 . The first end 31 of the elastic terminal 3 is in electrical contact with the rigid contact 11 of the sensor 1 . The second end 32 of the elastic terminal 3 is in electrical contact with the electrical contact pad 21 on the circuit board 2 . The elastic portion 33 of the elastic terminal 3 is connected between the first end 31 and the second end 32 and can elastically deform along the axial direction of the elastic terminal 3 .

As shown in FIGS. 1 to 7 , in the illustrated embodiment, the elastic portion 33 of the elastic terminal 3 is in the shape of a coil spring, so that the elastic portion 33 of the elastic terminal 3 can elastically deform along the axial direction of the elastic terminal 3 .

As shown in Figures 1 to 7, in the illustrated embodiment, the first end 31 and the second end 32 of the elastic terminal 3 are rigid, so that the first end 31 and the second end 32 of the elastic terminal 3 cannot Axial elastic deformation of the elastic terminal 3 .

As shown in Figures 1 to 7, in the illustrated embodiment, the first end 31 of the elastic terminal 3 is U-shaped, and an arc-shaped first contact protrusion 31a is formed on the end surface of the first end 31, The first contact protrusion 31 a is in electrical contact with the rigid contact 11 on the sensor 1 .

As shown in Figures 1 to 7, in the illustrated embodiment, a support shoulder 31b is formed on the side of the first end 31 of the elastic terminal 3, and a support step 41b is formed in the terminal installation groove 41 to support The shoulder 31b is supported on the supporting step 41b to ensure that the compression amount of the elastic terminal 3 in the axial direction is equal to a predetermined compression amount.

As shown in Figures 1 to 7, in the illustrated embodiment, the second end 32 of the elastic terminal 3 is U-shaped, and an arc-shaped second contact protrusion 32a is formed on the end surface of the second end 32, The second contact protrusion 32 a is in electrical contact with the electrical contact pad 21 on the circuit board 2 .

As shown in FIGS. 1 to 7 , in the illustrated embodiment, the electrical contact pads 21 are electrical contacts formed on the circuit board 2 , and the electrical contacts are formed together with conductive traces on the circuit board 2 .

As shown in FIGS. 1 to 7 , in the illustrated embodiment, the electrical contact pad 21 is a conductive component additionally provided on the circuit board 2 , and the conductive component is electrically connected to the circuit board 2 .

As shown in Figures 1 to 7, in the illustrated embodiment, the sensor 1 has a plurality of rigid contacts 11, the sensor assembly includes a plurality of elastic terminals 3 respectively corresponding to the plurality of rigid contacts 11, and the circuit board 2 has A plurality of electrical contact pads 21 respectively corresponding to the plurality of elastic terminals 3 .

As shown in Figures 1 to 7, in another exemplary embodiment of the present utility model, the sensor assembly includes a plurality of sensors 1 and a plurality of groups of elastic terminals 3 corresponding to the plurality of sensors 1, each group of elastic terminals 3 It is in electrical contact with the rigid contact 11 on the corresponding sensor 1 . The circuit board 2 has multiple sets of electrical contact pads 21 respectively corresponding to the multiple sets of elastic terminals 3 , and the multiple sets of elastic terminals 3 are in electrical contact with the multiple sets of electrical contact pads 21 on the circuit board 2 respectively.

As shown in Figures 1 to 7, in the illustrated embodiment, the sensor assembly further includes a stopper (not shown), and the stopper is installed on the terminal mounting part 40 to limit the elastic terminal 3 to the terminal installed in the slot 41 to prevent the elastic terminal 3 from being separated from the terminal installation part 40 . For example, the limiting member may have a blocking portion abutting against the end of the elastic terminal 3 to block the elastic terminal 3 from moving outward relative to the terminal installation groove 41 .

As shown in FIGS. 1 to 7, in the illustrated embodiment, the sensor 1 may include: an insulating case; a sensing element disposed in the insulating case; and a rigid contact 11 fixed to the insulating case and protruding to the insulating case. outside of the shell. The rigid contact 11 is electrically connected to the sensing element.

As shown in FIGS. 1 to 7 , in another exemplary embodiment of the present invention, a connector is also disclosed. The connector includes: an insulator 4 and an elastic terminal 3 . The insulator 4 includes a terminal mounting portion 40 and a terminal mounting groove 41 is formed in the terminal mounting portion 40 . The elastic terminal 3 is inserted into the terminal installation groove 41 and its two ends 31 , 32 protrude from the terminal installation groove 41 . The elastic terminal 3 is adapted to be axially compressed between the sensor 1 and the circuit board 2 to realize the electrical connection between the sensor 1 and the circuit board 2 .

As shown in Figures 1 to 7, in the illustrated embodiment, there is a gap between the elastic terminal 3 and the inner wall of the terminal installation groove 41 to allow the elastic terminal 3 to move along the axis of the elastic terminal 3 in the terminal installation groove 41. Elastic deformation.

As shown in Figures 1 to 7, in the illustrated embodiment, the elastic terminal 3 includes: a first end 31, electrically contacting the sensor 1; a second end 32, electrically contacting the circuit board 2; and an elastic portion 33, It is connected between the first end 31 and the second end 32 and can be elastically deformed along the axial direction of the elastic terminal 3 .

As shown in FIGS. 1 to 7 , in the illustrated embodiment, the elastic portion 33 of the elastic terminal 3 is in the shape of a coil spring, so that the elastic portion 33 of the elastic terminal 3 can elastically deform along the axial direction of the elastic terminal 3 .

As shown in Figures 1 to 7, in the illustrated embodiment, the first end 31 and the second end 32 of the elastic terminal 3 are rigid, so that the first end 31 and the second end 32 of the elastic terminal 3 cannot Axial elastic deformation of the elastic terminal 3 .

As shown in Figures 1 to 7, in the illustrated embodiment, the first end 31 of the elastic terminal 3 is U-shaped, and an arc-shaped first contact protrusion 31a is formed on the end surface of the first end 31, The first contact protrusion 31 a is in electrical contact with the rigid contact 11 on the sensor 1 .

As shown in Figures 1 to 7, in the illustrated embodiment, a support shoulder 31b is formed on the side of the first end 31 of the elastic terminal 3, and a support step 41b is formed in the terminal installation groove 41 to support The shoulder 31b is supported on the supporting step 41b to ensure that the compression amount of the elastic terminal 3 in the axial direction is equal to a predetermined compression amount.

As shown in Figures 1 to 7, in the illustrated embodiment, the second end 32 of the elastic terminal 3 is U-shaped, and an arc-shaped second contact protrusion 32a is formed on the end surface of the second end 32, The second contact protrusion 32 a is in electrical contact with the electrical contact pad 21 on the circuit board 2 .

As shown in Figures 1 to 7, in the illustrated embodiment, the connector further includes a stopper (not shown), and the stopper is installed on the terminal mounting part 40 to limit the elastic terminal 3 to the terminal installed in the slot 41 to prevent the elastic terminal 3 from being separated from the terminal installation part 40 . For example, the limiting member may have a blocking portion abutting against the end of the elastic terminal 3 to block the elastic terminal 3 from moving outward relative to the terminal installation groove 41 .

Those skilled in the art can understand that the above-described embodiments are exemplary, and those skilled in the art can improve them, and the structures described in various embodiments do not conflict with each other in terms of structure or principle Under the situation that can carry out free combination, these changes should fall within the scope of protection of the present utility model.

Although the utility model has been described in conjunction with the drawings, the embodiments disclosed in the drawings are intended to illustrate the preferred implementation of the utility model, and should not be construed as a limitation of the utility model.

Although some embodiments of the general concept of the present invention have been shown and described, those skilled in the art will understand that changes can be made to these embodiments without departing from the principles and spirit of the general concept of the present invention. , the scope of the present invention is defined by the claims and their equivalents.

It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. Additionally, any element references in the claims should not be construed as limiting the scope of the present invention.

Claims (27)

1. A sensor assembly, characterized in that, comprising: A sensor (1) having rigid contacts (11) protruding outwards; a circuit board (2) having electrical contact pads (21) disposed on its surface; and elastic terminal (3), compressed between said sensor (1) and said circuit board (2), The two ends (31, 32) of the elastic terminal (3) abut against the rigid contact (11) of the sensor (1) and the electrical contact pad (21) of the circuit board (2) respectively, so as to The sensor (1) is electrically connected to the circuit board (2). 2. The sensor assembly according to claim 1, further comprising: an insulator (4), including a terminal mounting portion (40), A terminal installation groove (41) is formed in the terminal installation part (40), the elastic terminal (3) is inserted into the terminal installation groove (41), and the two ends of the elastic terminal (3) The ends (31, 32) protrude from the terminal mounting groove (41). 3. The sensor assembly of claim 2, wherein: There is a gap between the elastic terminal (3) and the inner wall of the terminal installation groove (41) to allow the elastic terminal (3) to move along the elastic terminal (3) in the terminal installation groove (41). ) axial elastic deformation. 4. The sensor assembly of claim 2, wherein: The insulator (4) is a casing, and the circuit board (2) is fixedly installed in the casing. 5. The sensor assembly of claim 2, wherein: The elastic terminal (3) includes: The first end (31) is in electrical contact with the rigid contact (11) of the sensor (1); a second end (32), in electrical contact with an electrical contact pad (21) on said circuit board (2); and The elastic part (33), connected between the first end (31) and the second end (32), can be elastically deformed along the axial direction of the elastic terminal (3). 6. The sensor assembly of claim 5, wherein: The elastic portion (33) of the elastic terminal (3) is in the shape of a coil spring, so that the elastic portion (33) of the elastic terminal (3) can elastically deform along the axial direction of the elastic terminal (3). 7. The sensor assembly of claim 5, wherein: The first end (31) and the second end (32) of the elastic terminal (3) are rigid, so that the first end (31) and the second end (32) of the elastic terminal (3) cannot move along the Axial elastic deformation of the elastic terminal (3). 8. The sensor assembly of claim 5, wherein: The first end (31) of the elastic terminal (3) is U-shaped, and an arc-shaped first contact protrusion (31a) is formed on the end surface of the first end (31), and the first contact The protrusion (31a) is in electrical contact with a rigid contact (11) on said sensor (1). 9. The sensor assembly of claim 8, wherein: A support shoulder (31b) is formed on the side of the first end (31) of the elastic terminal (3), and a support step (41b) is formed in the terminal installation groove (41), the support shoulder The part (31b) is supported on the support step (41b) to ensure that the compression amount of the elastic terminal (3) in the axial direction is equal to a predetermined compression amount. 10. The sensor assembly of claim 5, wherein: The second end (32) of the elastic terminal (3) is U-shaped, and an arc-shaped second contact protrusion (32a) is formed on the end surface of the second end (32), the second contact The protrusion (32a) is in electrical contact with an electrical contact pad (21) on said circuit board (2). 11. The sensor assembly of claim 1, wherein: The electrical contact pads (21) are electrical contacts formed on the circuit board (2), and the electrical contacts are formed together with conductive traces on the circuit board (2). 12. The sensor assembly of claim 1, wherein: The electrical contact pad (21) is a conductive component additionally arranged on the circuit board (2), and the conductive component is electrically connected to the circuit board (2). 13. The sensor assembly of claim 1, wherein: The sensor (1) has a plurality of rigid contacts (11), the sensor assembly includes a plurality of elastic terminals (3) respectively corresponding to the plurality of rigid contacts (11), and the circuit board (2) It has a plurality of electrical contact pads (21) respectively corresponding to the plurality of elastic terminals (3). 14. The sensor assembly of claim 1, wherein: The sensor assembly includes a plurality of sensors (1) and a plurality of sets of elastic terminals (3) respectively corresponding to the plurality of sensors (1), and each set of elastic terminals (3) is connected to the rigidity of a corresponding sensor (1). The contacts (11) are in electrical contact; The circuit board (2) has multiple sets of electrical contact pads (21) respectively corresponding to the multiple sets of elastic terminals (3), and the multiple sets of elastic terminals (3) are connected to the multiple sets of elastic terminals (2) on the circuit board (2). The sets of electrical contact pads (21) are in electrical contact respectively. 15. The sensor assembly of claim 2, further comprising: A limiting member, installed on the terminal installation part (40), is used to restrict the elastic terminal (3) in the terminal installation groove (41), so as to prevent the elastic terminal (3) from contacting the The terminal mounting part (40) is detached. 16. The sensor assembly of claim 15, wherein: The limiting member has a blocking portion abutting against the end of the elastic terminal (3) to prevent the elastic terminal (3) from moving outward relative to the terminal installation groove (41). 17. The sensor assembly according to any one of claims 1-16, characterized in that: The sensor (1) comprises: insulating shell; a sensing element disposed within the insulating housing; and said rigid contact (11), fixed to said insulating case and protruding to the outside of said insulating case, The rigid contact (11) is electrically connected with the sensing element. 18. A connector, characterized in that it comprises: an insulator (4), including a terminal installation part (40) and a terminal installation groove (41) formed in the terminal installation part (40); and The elastic terminal (3) is inserted into the terminal installation groove (41) and its two ends (31, 32) protrude from the terminal installation groove (41), The elastic terminal (3) is adapted to be axially compressed between the sensor (1) and the circuit board (2), so as to realize the electrical connection between the sensor (1) and the circuit board (2). 19. The connector according to claim 18, characterized in that: There is a gap between the elastic terminal (3) and the inner wall of the terminal installation groove (41) to allow the elastic terminal (3) to move along the elastic terminal (3) in the terminal installation groove (41). ) axial elastic deformation. 20. The connector of claim 18, wherein: The elastic terminal (3) includes: a first end (31), in electrical contact with said sensor (1); a second end (32), in electrical contact with said circuit board (2); and The elastic part (33), connected between the first end (31) and the second end (32), can be elastically deformed along the axial direction of the elastic terminal (3). 21. The connector according to claim 20, characterized in that: The elastic portion (33) of the elastic terminal (3) is in the shape of a coil spring, so that the elastic portion (33) of the elastic terminal (3) can elastically deform along the axial direction of the elastic terminal (3). 22. The connector according to claim 20, characterized in that: The first end (31) and the second end (32) of the elastic terminal (3) are rigid, so that the first end (31) and the second end (32) of the elastic terminal (3) cannot move along the Axial elastic deformation of the elastic terminal (3). 23. The connector according to claim 20, characterized in that: The first end (31) of the elastic terminal (3) is U-shaped, and an arc-shaped first contact protrusion (31a) is formed on the end surface of the first end (31), and the first contact The protrusion (31a) is in electrical contact with a rigid contact (11) on said sensor (1). 24. The connector according to claim 23, characterized in that: A support shoulder (31b) is formed on the side of the first end (31) of the elastic terminal (3), and a support step (41b) is formed in the terminal installation groove (41), the support shoulder The part (31b) is supported on the support step (41b) to ensure that the compression amount of the elastic terminal (3) in the axial direction is equal to a predetermined compression amount. 25. The connector of claim 20, wherein: The second end (32) of the elastic terminal (3) is U-shaped, and an arc-shaped second contact protrusion (32a) is formed on the end surface of the second end (32), the second contact The protrusion (32a) is in electrical contact with an electrical contact pad (21) on said circuit board (2). 26. The connector according to claim 18, further comprising: A limiter, installed on the terminal installation part (40), used to limit the elastic terminal (3) in the terminal installation groove (41), so as to prevent the elastic terminal (3) from contacting the The terminal mounting part (40) is detached. 27. The connector of claim 26, wherein: The limiting member has a blocking portion abutting against the end of the elastic terminal (3), so as to prevent the elastic terminal (3) from moving outward relative to the terminal installation groove (41).

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