Sensor mounting bracket and circuit board with detection function

Abstract

The utility model relates to the technical field of sensor installation, in particular to a sensor installation support and a circuit board with a detection function. The sensor mounting bracket is used for mounting a sensor between a circuit board body and a to-be-sensed piece, the sensor mounting bracket comprises a mounting part, a fixing part and an elastic part, the mounting part is used for mounting a detection end of the sensor, the fixing part is used for fixedly connecting the circuit board body, and the elastic part is used for connecting the mounting part and the fixing part. The elastic part is arranged between the mounting part and the fixing part, so that when the circuit board body deforms, the fixing part mounted on the circuit board body is driven to move, the elastic part deforms under the action of tensile force, the mounting part connected to the elastic part does not move, and the position of the detection end mounted on the mounting part does not change; therefore, the problem of inaccurate detection caused by a gap generated between the detection end and the to-be-measured point due to the fact that the detection end mounted on the mounting part is pulled out from the to-be-sensed piece under the action of pulling force is avoided.

Description

Technical Field

[0001] The present application relates to the technical field of sensor installation, and in particular to a sensor installation bracket and a circuit board with a detection function. Background Art

[0002] NTC (Negative Temperature Coefficient) and PTC (Positive Temperature Coefficient) are two common types of thermistor sensors. They are widely used in the electronics field for temperature measurement, current protection, electronic control, etc.

[0003] Usually, NTC / PTC is installed in conjunction with a circuit board for use. After long-term operation, the circuit board is prone to deformation due to vibration and other reasons, which causes the NTC / PTC fixed on the circuit board to be pulled and a gap to appear between it and the point to be measured, causing it to become detached, resulting in inaccurate temperature detection. Utility Model Content

[0004] Based on this, the present application provides a sensor mounting bracket and a circuit board with a detection function to solve the problem that the sensor on the circuit board is subjected to tension and a gap or detachment occurs between the sensor and the point to be measured, resulting in inaccurate detection.

[0005] On the one hand, the present application provides a sensor mounting bracket for mounting a sensor between a circuit board body and an element to be sensed. The sensor mounting bracket includes a mounting portion, a fixing portion and an elastic portion. The mounting portion is used to mount the detection end of the sensor, the fixing portion is used to fix the connection to the circuit board body, and the elastic portion is used to connect the mounting portion and the fixing portion.

[0006] In a possible implementation, the elastic portion includes a mounting section, a fixing section and a bending section, the mounting section is connected to the mounting section, the fixing section is connected to the fixing section, one end of the bending section is connected to the mounting section, and the other end is connected to the fixing section.

[0007] In a possible implementation, the mounting portion, the fixing portion and the elastic portion are integrally formed.

[0008] In a possible implementation manner, the elastic portion is connected to the mounting portion and the fixing portion by secondary injection molding.

[0009] In a possible implementation, the sensor mounting bracket includes two elastic parts, and the two elastic parts are symmetrically arranged on both sides of the mounting part.

[0010] In a possible implementation, the sensor mounting bracket further includes a pressing portion, which is disposed on a side of the fixing portion facing the mounting portion and / or a side of the mounting portion facing the fixing portion;

[0011] When the sensor is assembled, the fixing portion presses against the mounting portion via the pressing portion.

[0012] In a possible implementation, the pressing portion is disposed on the fixing portion, the pressing portion is provided with a crushing rib, the fixing portion includes a fixing frame, and the crushing rib is disposed on a side of the fixing frame close to the mounting portion.

[0013] In a possible implementation, the pressing portion is disposed on the mounting portion, the pressing portion is provided with a crushing rib, the mounting portion includes a mounting frame, and the crushing rib is disposed on a side of the mounting frame close to the fixing portion.

[0014] In a possible implementation, the sensor mounting bracket includes two pressing portions, and the two pressing portions are symmetrically arranged on both sides of the fixing portion or the mounting portion.

[0015] In a possible implementation, the pressing portion is provided with crushing ribs, and a plurality of crushing ribs are symmetrically arranged on the two pressing portions.

[0016] In a possible implementation, the mounting portion is provided with a detection groove, which is provided on a side of the mounting portion away from the fixing portion, and the detection groove is used to accommodate the detection end.

[0017] In a possible implementation, the mounting portion is provided with a limiting end, the limiting end is provided on a side of the mounting portion away from the fixing portion, and the limiting end is used to limit the distance between the mounting portion and the component to be sensed.

[0018] In a possible implementation, the mounting portion is provided with two limit ends, and the detection slot is provided between the two limit ends.

[0019] In a possible implementation, the mounting portion is provided with an adjustment groove, the adjustment groove is provided on a side of the mounting portion away from the fixing portion, and the adjustment groove is provided on both sides of the detection groove.

[0020] In a possible implementation, the sensor mounting bracket further includes a positioning portion, which is disposed on the fixing portion and is used to mount the connecting end of the sensor.

[0021] In a possible implementation, the positioning portion is provided with a connecting groove, and the connecting groove is used to accommodate the connecting end.

[0022] In a possible implementation, the fixing portion includes two clamping members, and the positioning portion is located between the two clamping members.

[0023] In a possible implementation, guide surfaces are provided on opposite sides of the two clamping members.

[0024] In a possible implementation, the sensor mounting bracket further includes a clamping portion, which is disposed on the fixing portion and / or the mounting portion; the clamping portion is used to fix a wiring harness of the sensor.

[0025] In a possible implementation, the clamping portion includes a clamping groove and a clamping block, the clamping groove is used to accommodate the wire harness, and the clamping block is used to hold the wire harness to fix the wire harness in the clamping groove.

[0026] On the other hand, the present application provides a circuit board with a detection function, including a circuit board body, a mounting seat, a component to be sensed, a sensor and the above-mentioned sensor mounting bracket. The component to be sensed is arranged on the circuit board body through the mounting seat, the sensor is installed on the circuit board body through the sensor mounting bracket, and the detection end is arranged in the component to be sensed.

[0027] The sensor mounting bracket and the circuit board with detection function provided by the present application are provided with an elastic part between the mounting part and the fixed part. Since the elastic part can be deformed under a small pulling force, when the circuit board body is deformed, the fixed part mounted on the circuit board body is driven to move, so that the elastic part is subjected to the pulling force, and the elastic part is deformed, so that the mounting part connected to the other side of the elastic part does not move, so that the position of the detection end mounted on the mounting part does not change; thereby avoiding the detection end mounted on the mounting part being pulled out from the to-be-sensed part due to the pulling force, resulting in a gap between the detection end and the point to be measured, and the problem of inaccurate detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0029] Figure 1 A schematic diagram of the structure of the sensor mounting bracket provided in an embodiment of the present application;

[0030] Figure 2 A schematic diagram of the structure in which the sensor mounting bracket provided in an embodiment of the present application is installed on a circuit board body;

[0031] Figure 3 A schematic diagram of the structure of a circuit board with a detection function provided in an embodiment of the present application;

[0032] Figure 4 A schematic diagram of the structure of a circuit board with a detection function provided in an embodiment of the present application when it is deformed.

[0033] Description of reference numerals:

[0034] 100-sensor mounting bracket; 10-mounting part; 11-mounting frame; 12-detection slot; 13-limiting end; 14-adjusting slot; 20-fixing part; 21-fixing frame; 22-clamping piece; 23-guide surface; 30-elastic part; 31-installing section; 32-fixing section; 33-bending section; 40-pressing part; 41-crushing rib; 50-positioning part; 51-connecting slot; 60-clamping part; 61-clamping slot; 62-clamping block; 200-sensor; 201-detection end; 202-connecting end; 203-wiring harness; 300-circuit board body; 301-clamping hole; 302-connecting hole; 303-guide hole; 304-mounting hole; 400-part to be sensed; 401-sensing slot; 500-mounting seat; 501-guide column; 502-mounting column; 600-fixing glue. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantages of the present application clearer, the technical scheme in the embodiment of the present application will be described in more detail below in conjunction with the drawings in the preferred embodiments of the present application. In the drawings, the same or similar reference numerals throughout represent the same or similar parts or parts with the same or similar functions. The described embodiments are part of the embodiments of the present application, not all of the embodiments. The embodiments described below with reference to the drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limitations on the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present application. The embodiments of the present application are described in detail below in conjunction with the drawings.

[0036] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, or it can be an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0037] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are orientations or positional relationships based on the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0038] The terms "first", "second" and "third" (if any) in the specification and claims of this application and the above drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

[0039] In addition, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product, or display comprising a series of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not explicitly listed or inherent to such process, method, product, or display.

[0040] NTC and PTC are two common types of thermistor sensors. They are widely used in the electronics field for temperature measurement, current protection, electronic control, etc.

[0041] Usually, NTC / PTC is installed with a circuit board for use. After a long period of operation, the circuit board is prone to deformation due to vibration and other reasons, which causes the NTC / PTC fixed on the circuit board to be pulled and a gap to appear between the point to be measured, causing the NTC / PTC to be disengaged, resulting in inaccurate temperature detection. In addition, the dimensional tolerance between NTC / PTC is large, and there is also an assembly tolerance during the assembly operation. The position difference after installation is large and difficult to unify. Even if a plastic bracket is used for installation, there is still a position difference caused by the tolerance, which affects the temperature detection result.

[0042] After repeated thinking and verification, the inventor found that if an elastically deformable structure is provided on the mounting bracket, the tension is absorbed through elastic deformation, so that the other side is not affected by the tension, and the detection position is kept unchanged, thereby avoiding the problem of inaccurate detection caused by the gap between the detection end and the point to be measured due to the tension. In addition, a crushing rib structure that can absorb tolerances can be designed between the elastic deformation structure, so that the crushing rib structure maintains a certain distance from one side of the mounting bracket in a free state, and in the installed state, the crushing rib structure has an interference fit and produces plastic deformation, thereby absorbing the dimensional tolerance and assembly tolerance of the sensor, reducing the position difference during installation, and thus improving the temperature detection result.

[0043] In view of this, the present application provides a sensor mounting bracket and a circuit board with a detection function, wherein the sensor mounting bracket is used to mount the sensor between the circuit board body and the object to be sensed, and the sensor mounting bracket includes a mounting portion, a fixing portion and an elastic portion, wherein the mounting portion is used to mount the detection end of the sensor, the fixing portion is used to fix and connect the circuit board body, and the elastic portion is used to connect the mounting portion and the fixing portion. The circuit board with a detection function includes a circuit board body, a mounting seat, an object to be sensed, a sensor and the above-mentioned sensor mounting bracket, wherein the object to be sensed is arranged on the circuit board body through the mounting seat, the sensor is installed on the circuit board body through the sensor mounting bracket, and the detection end is arranged in the object to be sensed.

[0044] By arranging an elastic part between the mounting part and the fixed part, since the elastic part can be deformed when subjected to a relatively small pulling force, when the circuit board body is deformed, the fixed part mounted on the circuit board body is driven to move, so that the elastic part is subjected to the pulling force and deformed, so that the mounting part connected to the other side of the elastic part does not move, thereby preventing the position of the detection end mounted on the mounting part from being pulled out of the sensing element due to the pulling force, resulting in a gap between the detection end and the point to be measured, and causing the problem of inaccurate detection.

[0045] The contents of the present application will be described in detail below in conjunction with the accompanying drawings so that those skilled in the art can understand the contents of the present application more clearly and in detail.

[0046] Figure 1 A schematic diagram of the structure of the sensor mounting bracket provided in an embodiment of the present application. Figure 2 This is a structural schematic diagram of a sensor mounting bracket provided in an embodiment of the present application being installed on a circuit board body. Figure 3 A schematic diagram of the structure of a circuit board with a detection function provided in an embodiment of the present application. Figure 4 A schematic diagram of the structure of a circuit board with a detection function provided in an embodiment of the present application when it is deformed.

[0047] like Figure 1 As shown, the sensor mounting bracket 100 provided in the embodiment of the present application includes a mounting portion 10, a fixing portion 20 and an elastic portion 30. The mounting portion 10 is used to mount the detection end 201 of the sensor 200. The fixing portion 20 is used to fix and connect the circuit board body 300. The elastic portion 30 is connected between the mounting portion 10 and the fixing portion 20.

[0048] like Figure 3 As shown, the sensor mounting bracket 100 is used to mount the sensor 200 between the circuit board body 300 and the sensor element 400 .

[0049] Specifically, the sensor 200 includes a detection end 201, a connection end 202 and a harness 203. The detection end 201 is used to detect the sensing element 400. The connection end 202 is used to electrically connect to the circuit board body 300. The harness 203 is connected between the detection end 201 and the connection end 202.

[0050] The sensor 200 is not limited to NTC / PTC thermistor sensors, piezoelectric sensors, Hall sensors, etc. The embodiment of the present application preferably uses NTC / PTC thermistor sensors.

[0051] NTC / PTC thermistor sensor includes NTC / PTC resin ball head, NTC / PTC pin and wiring harness.

[0052] When in use, the elastic part 30 can absorb the tension through elastic deformation, so that the mounting part 10 on the other side is not affected by the tension, thereby keeping the position of the detection end 201 on the mounting part 10 unchanged, avoiding the problem of inaccurate detection caused by the tension causing a gap between the detection end 201 and the point to be measured.

[0053] In a possible implementation, the sensor mounting bracket 100 includes two elastic portions 30 , and the two elastic portions 30 are symmetrically arranged on both sides of the mounting portion 10 .

[0054] Specifically, the mounting portion 10 and the fixing portion 20 are arranged opposite to each other, and the two elastic portions 30 are respectively connected to one side of the mounting portion 10 and are respectively connected to the corresponding side of the fixing portion 20. The mounting portion 10, the fixing portion 20 and the elastic portion 30 are generally axially symmetrical structures. The sensor mounting bracket 100 with an axially symmetrical structure can improve the structural stability of the mounting bracket, and the symmetrically arranged elastic portions 30 can evenly diffuse the tension when subjected to tension, thereby preventing the mounting portion 10 from tilting.

[0055] In a possible implementation, the elastic portion 30 includes a mounting section 31, a fixing section 32, and a bending section 33. The mounting section 31 is connected to the mounting portion 10. The fixing section 32 is connected to the fixing portion 20. One end of the bending section 33 is connected to the mounting section 31, and the other end is connected to the fixing section 32.

[0056] Specifically, in this embodiment, the installation section 31, the fixing section 32 and the bending section 33 are substantially U-shaped, wherein the installation section 31 and the fixing section 32 are relatively parallel and are long strips with substantially equal lengths, while the bending section 33 is substantially semicircular.

[0057] The mounting section 31 and the fixing section 32 are relatively long and can be deformed when subjected to a relatively small force, so that the mounting portion 10 is not easily affected by the pulling force, thereby ensuring that the position of the detection end 201 does not change.

[0058] In a possible implementation, the mounting portion 10 , the fixing portion 20 , and the elastic portion 30 are integrally formed.

[0059] Specifically, the sensor mounting bracket 100 is formed by injection molding, and the material can be selected from plastics with a certain elasticity, such as PPS (Polyphenylene sulfide), PPA (Polyphthalamide) or PBT (polybutylene terephthalate) and the like.

[0060] Preferably, the material of the sensor mounting bracket 100 has a certain high temperature resistance, so as to prevent softening during use.

[0061] Preferably, the wall thickness of the elastic portion 30 is relatively thin, so as to facilitate deformation when subjected to tension.

[0062] In a possible implementation, the mounting portion 10 , the fixing portion 20 , and the elastic portion 30 may be made of different materials, and the elastic portion 30 may be connected to the mounting portion 10 and the fixing portion 20 by secondary processing.

[0063] For example, in order to improve the strength of the mounting part 10 and the fixing part 20, the mounting part 10 and the fixing part 20 can be made of hard plastic (such as polypropylene PP, polyethylene PE, polycarbonate PC), and the elastic part 30 can be connected to the mounting part 10 and the fixing part 20 by secondary injection molding.

[0064] In a possible implementation, the sensor mounting bracket 100 further includes a pressing portion 40 , which is disposed between the mounting portion 10 and the fixing portion 20 .

[0065] Specifically, the pressing portion 40 may be disposed on a side of the fixing portion 20 facing the mounting portion 10 , and / or a side of the mounting portion 10 facing the fixing portion 20 .

[0066] In the embodiment of the present application, the pressing portion 40 is disposed between the two elastic portions 30 .

[0067] When the sensor 200 is assembled on the circuit board body 300 , the fixing portion 20 can press against the mounting portion 10 via the pressing portion 40 , thereby pressing the mounting portion 10 against the to-be-sensed component 400 .

[0068] In a possible implementation, a crushing rib 41 is provided on the pressing portion 40. In the installed state, the crushing rib 41 can be interference-fitted with the installation portion 10 or the fixing portion 20 to generate plastic deformation, thereby absorbing the dimensional tolerance and assembly tolerance of the sensor 200.

[0069] In a possible implementation, the pressing portion 40 is disposed on the fixing portion 20 . The fixing portion 20 includes a fixing frame 21 , and the crushing rib 41 is disposed on a side of the fixing frame 21 close to the mounting portion 10 .

[0070] In another possible implementation, the pressing portion 40 is disposed on the mounting portion 10 . The mounting portion 10 includes a mounting frame 11 , and the crushing rib 41 is disposed on a side of the mounting frame 11 close to the fixing portion 20 .

[0071] In a possible implementation, the sensor mounting bracket 100 includes two pressing portions 40 , and the two pressing portions 40 are symmetrically disposed on both sides of the fixing portion 20 or the mounting portion 10 .

[0072] In a possible implementation, a plurality of crushing ribs 41 are disposed on the pressing portion 40 . The plurality of crushing ribs 41 are symmetrically disposed on the two pressing portions 40 .

[0073] The symmetrically arranged pressing portions 40 and the crushing ribs 41 can improve the structural stability of the mounting bracket and can evenly transfer the pressure to the mounting portion 10 during assembly, thereby preventing the mounting portion 10 from tilting during installation.

[0074] In the embodiment of the present application, the mounting portion 10 includes a mounting frame 11. The fixing portion 20 includes a fixing frame 21. Two pressing portions 40 are respectively arranged on both sides of the fixing frame 21 facing the mounting frame 11. A crushing rib 41 is respectively arranged on the pressing portion 40. The crushing rib 41 is located in the middle of the corresponding pressing portion 40.

[0075] In a possible implementation, the mounting portion 10 is provided with a detection slot 12. The detection slot 12 is provided on a side of the mounting portion 10 away from the fixing portion 20. The detection slot 12 is opened toward the to-be-sensed component 400. The detection slot 12 is used to accommodate the detection end 201.

[0076] When installing the sensor 200 , the detection end 201 is installed on the mounting portion 10 through the detection slot 12 , so that during assembly, the detection end 201 in the detection slot 12 is assembled to the point to be measured of the sensing element 400 .

[0077] In a possible implementation, the mounting portion 10 is provided with a limiting end 13. The limiting end 13 is provided at a side of the mounting portion 10 away from the fixing portion 20. The limiting end 13 is used to limit the distance between the mounting portion 10 and the to-be-sensed component 400.

[0078] Specifically, during assembly, the limiting end 13 can abut against the installation plane of the to-be-sensed component 400, thereby limiting the downward pressing position of the mounting portion 10, and further assembling the detection end 201 in the detection slot 12 to a preset measurement point.

[0079] In a possible implementation, the mounting portion 10 is provided with two limit ends 13 , and the detection slot 12 is provided between the two limit ends 13 .

[0080] The two limiting ends 13 work together to stably limit the mounting portion 10 on the mounting plane of the to-be-sensed component 400 , so that the detection end 201 disposed between the two limiting ends 13 is stably pressed against a preset measurement point.

[0081] In a possible implementation, the mounting portion 10 is provided with an adjustment slot 14 , which is provided on a side of the mounting portion 10 away from the fixing portion 20 , and the adjustment slot 14 is provided on both sides of the detection slot 12 .

[0082] Specifically, the adjustment groove 14 is arranged near the detection groove 12 . When the detection end 201 has a dimensional tolerance, the arrangement of the adjustment groove 14 allows the detection end 201 to adjust the size of the detection groove 12 by squeezing the detection groove 12 , thereby installing the detection end 201 in the detection groove 12 .

[0083] In a possible implementation, two adjustment slots 14 are provided, and the detection slot 12 is provided between the two adjustment slots 14 .

[0084] In a possible implementation, the sensor mounting bracket 100 further includes a positioning portion 50, which is disposed on the fixing portion 20. The positioning portion 50 is used to mount the connection end 202 of the sensor 200.

[0085] In a possible implementation, the positioning portion 50 is provided with a connecting groove 51 , and the connecting groove 51 is used to accommodate the connecting end 202 .

[0086] By setting the positioning part 50 on the fixing part 20 and providing the connecting groove 51 for accommodating the connecting end 202 , when the fixing part 20 fixes the sensor mounting bracket 100 to the circuit board body 300 , the positioning part 50 can connect the connecting end 202 to the circuit board body 300 .

[0087] In a possible implementation, the fixing portion 20 includes two clamping members 22 , and the positioning portion 50 is located between the two clamping members 22 .

[0088] The two clamping members 22 can stably connect the sensor mounting bracket 100 to the circuit board body 300 , so that the connecting end 202 installed on the positioning portion 50 can be stably connected to the circuit board body 300 .

[0089] Preferably, the clamping member 22 is a claw, which has a simple structure and is easy to install.

[0090] In a possible implementation, a guide surface 23 is provided on one side opposite to the two clamping members 22 .

[0091] like Figure 2 As shown, the circuit board body 300 is provided with a holding hole 301 opposite to the two holding members 22. The circuit board body 300 is provided with a connecting hole 302 opposite to the connecting groove 51.

[0092] The guide surface 23 provided on the clamping member 22 facilitates the clamping member 22 to be easily inserted into the clamping hole 301 , thereby fixing the fixing portion 20 and the circuit board body 300 in fixed connection.

[0093] In a possible implementation, the sensor mounting bracket 100 further includes a clamping portion 60 . The clamping portion 60 is used to fix the wire harness 203 of the sensor 200 .

[0094] The arrangement of the clamping portion 60 can prevent the harness 203 of the sensor 200 from shaking during use, thereby affecting the installation stability of the detection end 201 and the connection end 202 .

[0095] Specifically, the clamping portion 60 may be disposed on the fixing portion 20 and / or the mounting portion 10 .

[0096] In the embodiment of the present application, a clamping portion 60 is provided on both the mounting portion 10 and the fixing portion 20 .

[0097] In a possible implementation, the clamping portion 60 includes a clamping groove 61 and a clamping block 62 . The clamping groove 61 is used to accommodate the wire harness 203 , and the clamping block 62 is used to abut against the wire harness 203 to fix the wire harness 203 in the clamping groove 61 .

[0098] It can be understood that the clamping groove 61 is opened on the installation frame 11 or the fixing frame 21 , and the clamping block 62 is connected to the corresponding installation frame 11 or the fixing frame 21 and extends to above the opening of the corresponding clamping groove 61 .

[0099] The sensor mounting bracket 100 provided in the embodiment of the present application includes a mounting portion 10, a fixing portion 20 and an elastic portion 30, the mounting portion 10 is used to mount the detection end 201 of the sensor 200, the fixing portion 20 is used to fix and connect the circuit board body 300, and the elastic portion 30 is used to connect the mounting portion 10 and the fixing portion 20.

[0100] By arranging the elastic part 30 between the mounting part 10 and the fixing part 20, since the elastic part 30 can be deformed under a small pulling force, when the circuit board body 300 is deformed, the fixing part 20 mounted on the circuit board body 300 is driven to move, so that the elastic part 30 is subjected to the pulling force and deformed, so that the mounting part 10 connected to the other side of the elastic part 30 does not move, so that the position of the detection end 201 mounted on the mounting part 10 does not change; thereby avoiding the detection end 201 mounted on the mounting part 10 being pulled out from the sensing element 400 due to the pulling force, resulting in a gap between the detection end 201 and the point to be measured, resulting in inaccurate detection.

[0101] In addition, the embodiment of the present application also provides a circuit board with a detection function, including a circuit board body 300, a mounting seat 500, a to-be-sensed component 400, a sensor 200 and the above-mentioned sensor mounting bracket 100. The to-be-sensed component 400 is arranged on the circuit board body 300 through the mounting seat 500, the sensor 200 is installed on the circuit board body 300 through the sensor mounting bracket 100, and the detection end 201 is arranged in the to-be-sensed component 400.

[0102] Specifically, the circuit board body 300 is provided with a clamping hole 301, a connecting hole 302, a guide hole 303 and a mounting hole 304. The clamping hole 301 is arranged relative to the two clamping members 22. The connecting hole 302 is arranged relative to the connecting groove 51. The guide hole 303 is used to guide the mounting position of the mounting seat 500. The mounting hole 304 is used to fix the mounting seat 500.

[0103] The sensing member 400 is provided with a sensing slot 401. The sensing slot 401 is provided on a side of the sensing member 400 facing the detection slot 12. A fixing glue 600 is also provided in the sensing slot 401. The fixing glue 600 is used to fix the detection end 201 in the sensing slot 401.

[0104] The mounting seat 500 is provided with a guide post 501 and a mounting post 502. The guide post 501 is used to cooperate with the guide hole 303 to guide the mounting position of the mounting seat 500. The mounting post 502 is used to cooperate with the mounting hole 304 to mount the mounting seat 500 on the circuit board body 300.

[0105] Specifically, the mounting base 500 can be mounted on the circuit board body 300 by means of screws, bolts, etc. passing through the mounting holes 304 and being set in the mounting posts 502 .

[0106] The specific structure, working principle and function of the sensor mounting bracket 100 have been described in detail in the above embodiments and will not be repeated here. It should be noted that the installation process of the circuit board with detection function is as follows:

[0107] like Figure 1 As shown, the first step is: install the sensor 200 on the sensor mounting bracket 100; install the detection end 201 of the sensor 200 into the detection slot 12 and glue it; clamp the wiring harness 203 into the clamping slot 61 through the clamping block 62; install the connecting end 202 into the connecting slot 51 and glue it.

[0108] like Figure 2 As shown, the second step is to install the assembled sensor mounting bracket 100 and sensor 200 onto the circuit board body 300 ; insert the connecting end 202 into the connecting hole 302 , and clamp the clamping piece 22 into the clamping hole 301 .

[0109] like Figure 3 As shown, the third step: assemble a circuit board with a detection function; assemble the sensor mounting bracket 100, the sensor 200 and the circuit board body 300 that have been assembled together from top to bottom, and insert the guide column 501 into the guide hole 303 first; install downward along the guide column 501 until the compression rib 41 is pressed and collapsed, at this time the limit end 13 is against the installation plane of the to-be-sensed component 400, the mounting hole 304 is in contact with the mounting column 502, and at this time the detection end 201 in the detection slot 12 is also inserted into the sensing slot 401 with the fixing glue 600, and wait for the fixing glue 600 to solidify to complete the assembly.

[0110] In the embodiment of the present application, the sensing component 400 is a heat sink, and the fixing glue 600 is a thermally conductive glue, which facilitates NTC / PTC to sense the temperature change of the heat sink.

[0111] Since there is a dimensional tolerance when the detection end 201 is installed in the detection slot 12 and glued together, there is a dimensional tolerance when the clamping piece 22 is clamped into the clamping hole 301; the thickness of the circuit board body 300 also has a dimensional tolerance; the guide column 501 has a dimensional tolerance; as a result, the actual depth of the detection end 201 inserted into the sensing slot 401 is different and the difference is large, which affects the accuracy of detection.

[0112] In the present application, since a compression rib 41 is added to the pressing portion 40, when the sensor mounting bracket 100 is in a free state, a spacing of 0.2mm-2mm is designed between the compression rib 41 and the mounting frame 11; in the installed state, a 0.1mm-0.5mm interference is designed between the compression rib 41 and the mounting frame 11, that is, there is a 0.1mm-0.5mm interference, which is used to absorb the tolerance, thereby reducing the position difference when the actual detection end 201 is installed in the sensing slot 401.

[0113] After assembly, when the device is vibrating, the circuit board body 300 is deformed upward, exerting an upward pulling force on the clamping member 22. When the pulling force is too large, the fixing glue 600 may crack, thereby causing the detection end 201 to lose the function of detecting the sensing member 400.

[0114] like Figure 4 As shown, in the present application, since the elastic part 30 is long and thin in wall thickness, it can be deformed under a relatively small force. Therefore, when the circuit board body 300 vibrates and deforms upward, the upward pulling force exerted on the clamping part 22 causes the elastic part 30 to deform; thereby preventing the upward pulling force of the clamping part 22 from pulling up the connecting end 202 and the detecting end 201, and preventing the fixing glue 600 from cracking.

[0115] The present application provides a circuit board with a detection function. By arranging an elastic part 30 between the mounting part 10 and the fixing part 20, since the elastic part 30 can be deformed under a small pulling force, when the circuit board body 300 is deformed, the fixing part 20 mounted on the circuit board body 300 is driven to move, so that the elastic part 30 is subjected to the pulling force, and the elastic part 30 is deformed, so that the mounting part 10 connected to the other side of the elastic part 30 does not move, so that the position of the detection end 201 mounted on the mounting part 10 does not change; thereby avoiding the detection end 201 mounted on the mounting part 10 being pulled out from the sensing element 400 due to the pulling force, resulting in a gap between the detection end 201 and the point to be measured, and the problem of inaccurate detection.

[0116] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A sensor mounting bracket, characterized in that: Used to install the sensor between the circuit board body and the object to be sensed, the sensor mounting bracket includes a mounting portion, a fixing portion and an elastic portion, the mounting portion is used to install the detection end of the sensor, the fixing portion is used to fix the circuit board body, and the elastic portion is used to connect the mounting portion and the fixing portion.

2. The sensor mounting bracket according to claim 1, characterized in that: The elastic portion includes a mounting section, a fixing section and a bending section, the mounting section is connected to the mounting section, the fixing section is connected to the fixing section, one end of the bending section is connected to the mounting section, and the other end is connected to the fixing section.

3. The sensor mounting bracket according to claim 1, characterized in that: The mounting portion, the fixing portion and the elastic portion are integrally formed.

4. The sensor mounting bracket according to claim 1, characterized in that: The elastic part is connected with the mounting part and the fixing part through secondary injection molding.

5. The sensor mounting bracket according to claim 1, characterized in that: The sensor mounting bracket includes two elastic parts, and the two elastic parts are symmetrically arranged on both sides of the mounting part.

6. The sensor mounting bracket according to claim 1, characterized in that: The sensor mounting bracket further comprises a pressing portion, the pressing portion being arranged on a side of the fixing portion facing the mounting portion, and / or a side of the mounting portion facing the fixing portion; When the sensor is assembled, the fixing portion presses against the mounting portion via the pressing portion.

7. The sensor mounting bracket according to claim 6, characterized in that: The pressing portion is arranged on the fixing portion, and a crushing rib is arranged on the pressing portion. The fixing portion comprises a fixing frame, and the crushing rib is arranged on a side of the fixing frame close to the mounting portion.

8. The sensor mounting bracket according to claim 6, characterized in that: The pressing portion is arranged on the mounting portion, and a crushing rib is arranged on the pressing portion. The mounting portion comprises a mounting frame, and the crushing rib is arranged on a side of the mounting frame close to the fixing portion.

9. The sensor mounting bracket according to claim 6, characterized in that: The sensor mounting bracket includes two pressing portions, and the two pressing portions are symmetrically arranged on both sides of the fixing portion or the mounting portion.

10. The sensor mounting bracket according to claim 9, characterized in that: The pressing portion is provided with crushing ribs, and a plurality of the crushing ribs are symmetrically arranged on the two pressing portions.

11. The sensor mounting bracket according to claim 1, characterized in that: The mounting portion is provided with a detection groove, the detection groove is arranged on a side of the mounting portion away from the fixing portion, and the detection groove is used to accommodate the detection end.

12. The sensor mounting bracket according to claim 11, characterized in that: The mounting portion is provided with a limiting end, the limiting end is arranged at a side of the mounting portion away from the fixing portion, and the limiting end is used to limit the distance between the mounting portion and the to-be-sensed component.

13. The sensor mounting bracket according to claim 12, characterized in that: The mounting portion is provided with two limit ends, and the detection slot is provided between the two limit ends.

14. The sensor mounting bracket according to claim 11, characterized in that: The mounting portion is provided with an adjusting groove, the adjusting groove is arranged on a side of the mounting portion away from the fixing portion, and the adjusting groove is arranged on both sides of the detection groove.

15. The sensor mounting bracket according to claim 1, characterized in that: The sensor mounting bracket further comprises a positioning portion, which is arranged on the fixing portion and is used for mounting the connecting end of the sensor.

16. The sensor mounting bracket according to claim 15, characterized in that: The positioning portion is provided with a connecting groove, and the connecting groove is used to accommodate the connecting end.

17. The sensor mounting bracket according to claim 15, characterized in that: The fixing portion includes two clamping members, and the positioning portion is located between the two clamping members.

18. The sensor mounting bracket according to claim 17, characterized in that: A guide surface is provided on one side opposite to the two clamping members.

19. The sensor mounting bracket according to claim 1, characterized in that: The sensor mounting bracket further comprises a clamping portion, which is arranged on the fixing portion and / or the mounting portion; the clamping portion is used to fix the wiring harness of the sensor.

20. The sensor mounting bracket according to claim 19, characterized in that: The clamping portion comprises a clamping groove and a clamping block, wherein the clamping groove is used to accommodate the wire harness, and the clamping block is used to abut against the wire harness to fix the wire harness in the clamping groove.

21. A circuit board with a detection function, characterized in that: It includes a circuit board body, a mounting seat, a component to be sensed, a sensor and a sensor mounting bracket as described in any one of claims 1 to 20, wherein the component to be sensed is arranged on the circuit board body through the mounting seat, the sensor is installed on the circuit board body through the sensor mounting bracket, and the detection end is arranged in the component to be sensed.

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