CN213336601U

CN213336601U - Novel sensor device

Info

Publication number: CN213336601U
Application number: CN202022364880.4U
Authority: CN
Inventors: 许建平; 许文凯; 徐美莲
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-06-01
Anticipated expiration: 2030-10-22

Abstract

The invention relates to a novel sensor device, in particular to a sensor device for detecting pulse and blood pressure signals by abutting against the surface of the skin of a living body, a sensor device for movably monitoring the vibration conditions of different parts of power equipment, a sensor device for detecting hardness or elasticity and the like, which comprises a pressure sensitive part, an elastic force transmission part, a limiting part, a shell or a carrier, wherein the front end of a measuring contact extends out of the outer end of the shell or the carrier for a preset distance; the outer end of the shell is also provided with a permanent magnet, the outer end of the shell is in threaded fit connection with the shell, and the outer end of the shell is provided with a screw hole and a tightening screw; the carrier includes: mobile phones, watches, and band parts in wearable devices.

Description

Novel sensor device

Technical Field

The invention relates to a novel sensor device, in particular to a sensor device for detecting pulse and blood pressure signals by abutting against the surface of the skin of a living body, a sensor device for movably monitoring the running vibration conditions of different parts of power equipment, a sensor device for detecting hardness or elasticity and the like, and belongs to the technical field of sensors.

Background

Chinese invention patent application No. 2018100612650, title: in the document of "a sensor device", a technical scheme is disclosed in which a force transmission member is abutted against a pressure sensor chip to perform detection. The disadvantages are that: when the sensor device is used for pressure detection, the sensor is easily shaken or loses relative stability under the influence of objective factors, so that the fluctuation of a measurement signal is caused or the measurement precision is reduced; when measuring the pulse and blood pressure signals on the surface of the living body skin, the externally applied pressure may exceed the range of the sensor device, so that the pulse signal or blood pressure signal obtained by the sensor is relatively small, and the implementation of the blood pressure detection method by blocking or changing the arterial blood vessel conduction quantity by using the korotkoff sound method, the oscillometric method and the like is also not facilitated; in addition, it is not favorable for detecting the local jump of the power equipment, the hardness or elasticity of the material, etc.

Disclosure of Invention

The invention aims to: improving the drawbacks of the above-mentioned products.

The purpose of the invention is realized by the following technical scheme:

1. a novel sensor device, comprising: a pressure sensitive component comprising an elastic diaphragm portion, a base or frame portion supporting the elastic diaphragm portion, the elastic diaphragm portion adapted to deform when subjected to a force or an abutting motion and convert the force or deformation into an electrical signal; a force transmitting member, the force transmitting member comprising at least: an interference portion adapted to interfere with the elastic diaphragm portion, a compressible elastic portion and a measuring contact adapted for contact/interference measurement; the limiting component is suitable for limiting the abutting force of the force transmission component on the elastic diaphragm part or limiting the abutting displacement of the abutting part in the force transmission component relative to the elastic diaphragm part; an accessory comprising a housing or carrier; the front end of the measuring contact extends out of the outer end of the shell or the outer end of the carrier by a preset distance, and when the measuring contact is subjected to preset butting force, the front end of the measuring contact is flush with the outer end of the shell or the outer end of the carrier, or the front end surface of the measuring contact is lower than the outer end of the shell or the outer end of the carrier by a preset distance.

2. A novel sensor device, comprising: a pressure sensitive component comprising an elastic diaphragm portion, a base or frame portion supporting the elastic diaphragm portion, the elastic diaphragm portion adapted to deform when subjected to a force or an abutting motion and convert the force or deformation into an electrical signal; a force transmitting member, the force transmitting member comprising at least: an interference portion adapted to interfere with the elastic diaphragm portion, a compressible elastic portion and a measuring contact adapted for contact/interference measurement; the limiting component is suitable for limiting the abutting force of the force transmission component on the elastic diaphragm part or limiting the abutting displacement of the abutting part in the force transmission component relative to the elastic diaphragm part; an accessory comprising a housing or carrier; the front end of the measuring contact extends out of the outer end of the shell or the outer end of the carrier by a preset distance, and when the measuring contact is subjected to a preset butting force, the front end of the measuring contact is flush with the outer end of the shell or the outer end of the carrier, or the front end surface of the measuring contact is lower than the outer end of the shell or the outer end of the carrier by a preset distance; the limiting member is arranged between the measuring contact and the housing, a hole is arranged in the middle of the limiting member, the force transmission member movably extends out of the hole, the outer edge of the measuring contact is larger than the hole, and when the measuring contact is subjected to a preset abutting force, the measuring contact is contacted with the limiting member and is limited to move further, so that the front end face of the measuring contact is flush with the outer end of the housing, or the front end face of the measuring contact is lower than the outer end of the housing by a preset distance.

3. A novel sensor device, comprising: a pressure sensitive component comprising an elastic diaphragm portion, a base or frame portion supporting the elastic diaphragm portion, the elastic diaphragm portion adapted to deform when subjected to a force or an abutting motion and convert the force or deformation into an electrical signal; a force transmitting member, the force transmitting member comprising at least: an interference portion adapted to interfere with the elastic diaphragm portion, a compressible elastic portion and a measuring contact adapted for contact/interference measurement; the limiting component is suitable for limiting the abutting force of the force transmission component on the elastic diaphragm part or limiting the abutting displacement of the abutting part in the force transmission component relative to the elastic diaphragm part; an elastic member adapted to partially decompose or partially transfer an external input force to the base or housing such that the elastic diaphragm portion receives only a portion of the input force; an accessory comprising a housing or carrier; the front end of the measuring contact extends out of the outer end of the shell or the outer end of the carrier by a preset distance, and when the measuring contact is subjected to preset butting force, the front end of the measuring contact is flush with the outer end of the shell or the outer end of the carrier, or the front end surface of the measuring contact is lower than the outer end of the shell or the outer end of the carrier by a preset distance.

The above novel sensor device, further comprising: the outer end of the shell is also provided with a permanent magnet. The casing outer end with through screw thread fit connection between the casing, be equipped with screw and top tight screw on the casing outer end. The measuring contacts are detachably arranged on the compressible spring part. The front end face of the measuring contact is one of a circular plane, a circular face with a convex middle part, a spherical face and a conical face. The carrier includes: band parts in mobile phones, watches, wearable devices.

The invention has the beneficial effects that: the running vibration conditions of different parts of the power equipment can be movably monitored; the hardness or elasticity of the object can be detected with high precision; the method for blocking or changing the conduction quantity of the artery blood vessel is favorable for detecting the pulse and blood pressure signals; and the volume of the sensor is reduced, and the measurement precision is improved.

Drawings

FIG. 1 is a schematic view of a pressure sensitive member used in the present invention;

FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic view of another pressure sensitive member used in the present invention;

FIG. 4 is a schematic cross-sectional view B-B of FIG. 3;

FIG. 5 is a schematic cross-sectional view of a novel sensor assembly of the present invention;

FIG. 6 is a schematic cross-sectional view of the measurement probe of FIG. 5 after being stressed;

FIG. 7 is a schematic top view of FIGS. 5 and 6;

FIG. 8 is a schematic cross-sectional view of another novel sensor assembly of the present invention;

FIG. 9 is a schematic cross-sectional view of the measurement probe of FIG. 8 after being stressed;

FIG. 10 is a schematic top view of FIGS. 8 and 9;

FIG. 11 is a schematic cross-sectional view of another novel sensor assembly of the present invention;

FIG. 12 is a schematic cross-sectional view of another novel sensor assembly of the present invention;

fig. 13 is a schematic cross-sectional view of the attachment of a novel sensor assembly of the present invention to a belt member.

Detailed Description

The technical solution according to the present invention is exemplified below with reference to the accompanying drawings.

FIGS. 1 and 2 are schematic structural views of a pressure sensitive member used in the present invention; in particular to a structural schematic diagram of a pressure sensitive component using a film chip as the pressure sensitive component. Where 01 is an elastic membrane portion according to the present invention, and 02 is a base or frame portion supporting the elastic membrane portion 01. Piezoresistors or

strain resistors

08, 09, 10 and 11 and electrical connection lines or

electrical connection terminals

03, 04, 05, 06 and 07 for electrically connecting the piezoresistors or strain resistors are arranged on the surface of the elastic membrane part 01. The elastic diaphragm portion 01 is adapted to be deformed by an external input force and convert the amount of deformation or the external input force into an electrical signal. It should be understood that the base or frame portion and the elastic diaphragm portion are generally an integrated component, i.e., the pressure sensor chip, and are separately illustrated for clarity only.

FIGS. 3 and 4 are schematic structural views of another pressure sensitive member used in the present invention; in particular to a structure schematic diagram of a pressure sensitive component which uses a flexible film pressure diaphragm as the pressure sensitive component; wherein 101 is an insulating plastic substrate, 102, 103 are piezoresistors, 104, 105 are electrical connecting lines or electrical connecting terminals, 106 is a base or frame part for supporting the elastic diaphragm part 101. The working principle is the same as that of fig. 1 and 2.

FIG. 5 is a schematic diagram of the structure of a novel sensor device of the present invention, particularly a sensor device with no force applied to the measuring probe; the pressure sensor comprises a cup-shaped lower shell 201, a vent 202, a pressure sensitive component 203, an optional pressure sensitive component 203 in fig. 1-4 or other forms of pressure sensitive components, an adhesive 204,

conductive bonding wires

205 and 206, conductive

external pins

207, 208, 209, 210, 211 and 212, an upper shell 213 and a bottom cover 214, wherein the upper shell is a cup-shaped lower shell; wherein the force transmission member includes: membrane 215, stainless steel ball 216, T-shaped metal cylinder 217, metal compression spring 218, metal sleeve 219, measurement contact 220. Wherein, a predetermined distance H1 is provided between the lower end of the metal sleeve 219 and the lower casing 201, and the opposing portion between the metal sleeve 219 and the lower casing 201 constitutes the limiting member of the present invention, which is suitable for limiting the contact force of the force transmitting member to the elastic diaphragm portion 203, or limiting the amount of contact displacement of the contact portion 216 and the like in the force transmitting member relative to the elastic diaphragm portion, and the function is to avoid the elastic diaphragm portion in the pressure sensitive member 203 from being broken by an excessive force, therefore, the elasticity, the size and the distance H1 of the metal compression spring 218 are selected or predetermined. It should be noted that the membrane 215 is a flexible membrane that functions to reduce friction or wear of the stainless steel ball 216 against the pressure sensitive member 203, and may or may not be selected as appropriate. As can be seen from fig. 5, when the measuring contact 220 is not stressed, the front end b1 of the measuring contact 220 extends out of the outer end a1 of the housing by a predetermined distance a 1.

Fig. 6 is a schematic cross-sectional view of fig. 5 after being subjected to a force, in particular, when the measuring tip 220 is interfered by a predetermined detecting force F1; as can be seen from fig. 6, when the measuring contact 220 is subjected to the predetermined contact force F1, H1 being 0, the measuring contact front end face b1 is lower than the housing outer end a1 by a predetermined distance a 1; the front end b1 of the measuring probe and the outer end a1 of the housing may also be flush, i.e., a1 is equal to 0. Fig. 7 is a top view of the novel sensor of fig. 5 and 6.

FIG. 8 is a schematic view of another novel sensor assembly of the present invention, particularly a sensor assembly with the measuring tip not under force; wherein 301 is a shell, 302 is a vent hole, 303 is a pressure sensitive component, 303 can be selected from one of the pressure sensitive components in fig. 1 to 4, or other forms of pressure sensitive components, 304 is adhesive, 305 and 306 are conductive bonding wires, 307, 308, 309, 310, 311 and 312 are conductive external pins, and 313 is a bottom cover; wherein, the outer part of the upper end of the shell 301 is provided with screw threads, 314 is the outer end of the shell, the permanent magnet 315 is arranged on 314, the outer end 314 of the shell is in screw thread fit connection with the shell 301, and the side surface of the outer end 314 of the shell is provided with screw holes and tightening

screws

316 and 323; wherein the force transmission member includes: a membrane 317, a stainless steel ball 318, a T-shaped metal cylinder 319, a metal compression spring 320, a metal sleeve 321, and a measurement contact 322. The predetermined distance H2 is provided between the measuring contact 322 and the housing 301, and the opposing portion between the measuring contact 322 and the housing 301 constitutes a limiting member according to the present invention, which is suitable for limiting the contact force of the force transmission member against the elastic diaphragm portion 303, or limiting the amount of contact displacement of the contact portion 318 of the force transmission member against the elastic diaphragm portion, and the function of the limiting member is to avoid the elastic diaphragm portion of the pressure sensitive member 303 from being broken due to an excessive force, so that the elasticity, size and distance H2 of the metal compression spring 320 are selected or predetermined. It should be noted that the film 317 is a flexible film which may or may not be optional. As can be understood from fig. 8, when the measuring contact 322 is not stressed, the front end b2 of the measuring contact 322 extends out of the outer end a2 of the housing by a predetermined distance a 2.

Fig. 9 is a schematic cross-sectional view of fig. 8 after being subjected to a force, in particular, when the measuring tip 322 is interfered by a predetermined detecting force F2; as can be seen from fig. 9, when the measuring contact 322 is subjected to the predetermined contact force F2, H2 being 0, the measuring contact front end face b2 is lower than the housing outer end a2 by a predetermined distance a 2; the front end b2 of the measuring probe and the outer end a2 of the housing may also be flush, i.e., a2 is equal to 0. Here, a22 is larger than a2, and therefore, the lower end of 321 does not contact the housing 301. Fig. 10 is a top view of the novel sensor of fig. 8 and 9.

As can be seen from fig. 8, the distance a2 by which the front end b2 of the measuring contact projects from and/or is lower than the outer end a2 of the housing can be adjusted by turning the outer end 314 of the housing with the tightening

screws

316, 323 loose; the tightening

screws

316, 323 are rotated to fix the outer end 314 of the housing to the housing 301 after the adjustment.

By way of example, in fig. 5, the outer end a1 of the housing 213 may be provided with a permanent magnet to form another sensor of the present invention. In addition, the housing in fig. 5 can also be changed to the housing in fig. 8, that is, the housing 213 in fig. 5 can also be changed to: the outer part of the upper end of the shell 216 is provided with a thread, the thread is matched and connected with an outer end of the shell, and the side surface of the outer end of the shell is provided with a screw hole and a tightening screw to form another sensor of the invention. The permanent magnet is favorable for adsorbing the sensor on power equipment with an iron shell through magnetic force, and monitoring parameters such as vibration and the like is carried out.

Fig. 11 is a schematic structural view of another novel sensor device of the present invention, particularly one that utilizes a low range pressure sensitive member to detect high pressures or high stiffness. Wherein 401 is a shell, 402 is a vent, 403 is a pressure sensitive component, 403 can be selected from the pressure sensitive components in fig. 1 to 4, or other forms of pressure sensitive components, 404 is adhesive, 405 and 406 are conductive bonding wires, 407 and 408 are conductive external pins, and 409 is a bottom cover; wherein, the outer part of the upper end of the shell 401 is provided with screw threads, 410 is the outer end of the shell, the permanent magnet 411 is arranged on the 410, the outer end 410 of the shell is in screw thread fit connection with the shell 401, and the side surface of the outer end 410 of the shell is provided with screw holes and tightening

screws

412 and 413; wherein the force transmission member includes: membrane 414, stainless steel ball 415, T-shaped metal cylinder 416, metal compression spring 417, metal sleeve 418, bellows spring diaphragm 419, and measurement probe 420. The predetermined distance H3 is set between the measuring metal sleeve 418 and the housing 401, and the opposite portion between the metal sleeve 418 and the housing 401 constitutes the limiting component of the present invention, which is suitable for limiting the contact force of the force transmission component to the elastic diaphragm portion 403, or limiting the amount of contact displacement of the contact portion 415 and the like in the force transmission component relative to the elastic diaphragm portion, and the function of the limiting component is to avoid the elastic diaphragm portion in the pressure sensitive component 403 from being broken by an excessive force, so that the elasticity, the size and the distance of the metal compression spring 417 and the distance of the H3 are selected or predetermined. It should be noted that film 414 is a flexible film that may or may not be optional.

As can be understood from fig. 11, when the measuring contact 420 is not stressed, the front end b3 of the measuring contact 420 extends out of the outer end A3 of the housing by a predetermined distance A3. When the measuring contact 420 is interfered by a preset detection force, and H3 is equal to 0, the front end face b3 of the measuring contact is lower than the outer end A3 of the shell by a preset distance A3; the front end b3 of the measuring probe and the outer end A3 of the housing may also be flush, i.e., A3 is 0, and the principle of operation is as described in fig. 9. In addition, the distance A3 that the front end b3 of the measuring contact extends out of or/and is lower than the outer end A3 of the housing can be adjusted by rotating the outer end 410 of the housing under the condition that the jacking

screws

412 and 413 are adjusted to be loose; the tightening screws 412, 413 are rotated to tighten the outer end 410 of the housing to the housing 401 after the adjustment.

Fig. 12 is a schematic structural view of another novel sensor device of the present invention, particularly another sensor device for detecting high pressures or high stiffness using a low range pressure sensitive member. Wherein 501 is a substrate or a bottom plate, 502 is a PCB provided with a predetermined circuit, 503 is a pressure sensitive component fixed and electrically connected to the circuit of the PCB, 503 can be a pressure sensitive component in fig. 1 to 4 or other forms of pressure sensitive components, 504, 505 are conductive external pins connected to the circuit on the PCB 502; wherein, the outer part of the upper end of the shell 506 is provided with screw threads, 507 is the outer end of the shell, 507 is provided with a permanent magnet 508, the outer end 507 of the shell is in threaded fit connection with the shell 506, and the side surface of the outer end 507 of the shell is provided with screw holes and tightening

screws

509 and 510; wherein the force transmission member includes: the membrane 511, the stainless steel ball 512, the T-shaped metal cylinder 513, the metal compression spring 514, the metal sleeve 515, the compression spring 516, and the

measurement contacts

517, 518 are air vents. Wherein, a predetermined distance H4 is provided between the measuring metal sleeve 515 and the housing 506, and the opposing portion between the metal sleeve 515 and the housing 506 constitutes the limiting member of the present invention, which is suitable for limiting the resisting force of the force transmitting member to the elastic diaphragm portion in the pressure sensitive member 503, or limiting the resisting displacement amount of the resisting portion 512 and the like in the force transmitting member relative to the elastic diaphragm portion, and the function of the limiting member is to avoid the elastic diaphragm portion in the pressure sensitive member 503 from being too stressed to be broken, so that the elasticity, the size and the distance H4 of the compression springs 514 and 516 are selected or predetermined. It should be noted that film 511 is a flexible film that may or may not be optional.

As can be seen from fig. 12, when the measuring contact 517 is not subjected to a force, the front end b4 of the measuring contact 517 protrudes out of the outer end a4 of the housing by a predetermined distance a 4. When the measuring feeler 517 is collided by a predetermined detecting force, and H4 is equal to 0, the front end face b4 of the measuring feeler is lower than the outer end a4 of the housing by a predetermined distance a4, and the front end b4 of the measuring feeler and the outer end a4 of the housing may be flush with each other, and a4 is equal to 0, the operation principle is the same as that described in fig. 9. In addition, the distance a4 that the measuring contact front end b4 protrudes from or/is lower than the housing outer end a4 can be adjusted by turning the housing outer end 507 when the jacking

screws

509, 510 are loosened; the tightening screws 509, 510 are rotated to secure the outer housing end 507 to the housing 506 after the adjustment.

FIG. 13 is a schematic cross-sectional view of the attachment of a novel sensor assembly of the present invention to a belt member; the specific implementation mode of the invention is further expanded. Wherein 601 is a shell, 602 is a vent, 603 is a pressure sensitive component, 603 can be selected from one of the pressure sensitive components in fig. 1 to 4 or other forms of pressure sensitive components, 604 is adhesive, 605 and 606 are conductive bonding wires, 607 and 608 are conductive external pins, 609 is a bottom cover; wherein the force transmission member includes: a membrane 610, a stainless steel ball 611, a T-shaped metal cylinder 612, metal compression springs 613, a metal sleeve 614, and a measurement contact 615. 616 is a portion of a band member in a wearing apparatus adapted to be worn on a wrist of a living body, and housing 601 is attached to band member 616. 616 is also referred to as a vector according to the invention.

A predetermined distance H5 is provided between the lower end of the metal sleeve 614 and the housing 601, and the opposing portion between the metal sleeve 614 and the housing 601 constitutes a limiting member according to the present invention, which is suitable for limiting the contact force of the force transmission member against the elastic diaphragm portion 603, or limiting the amount of contact displacement of the contact portion 611 of the force transmission member against the elastic diaphragm portion, and the function of the limiting member is to avoid the elastic diaphragm portion of the pressure sensitive member 603 from being broken due to an excessive force, so that the elasticity, size and distance H5 of the metal compression spring 613 are selected or predetermined. It should be noted that the membrane 610 is a flexible membrane that functions to reduce friction or wear of the stainless steel ball 611 against the pressure sensitive member 603, and that 610 may or may not be optional depending on the application. As can be seen from fig. 13, when the measuring contact 615 is not stressed, the front end b5 of the measuring contact 615 extends out of the outer end a5 of the housing by a predetermined distance a5, wherein the outer end of the housing includes the outer end of the carrier connected to the sensor housing; similarly, it should be understood that the application of the present invention to a mobile phone or a watch can be realized or configured if the external

conductive pins

607, 608, etc. are soldered or disposed on a circuit board inside the mobile phone or watch device, 616 is a mobile phone shell or a watch shell, 616 is not fixed to the housing 601. Wherein, the mobile phone or the watch is also called as the carrier of the invention.

Similarly, as can be seen from fig. 13, when the measuring contact 615 is interfered by the predetermined detecting force, and H5 is equal to 0, the front end face b5 of the measuring contact is lower than the outer end a5 of the housing by a predetermined distance a 5; the front end b5 of the measuring probe and the outer end a5 of the housing may also be flush, i.e., a5 is 0, and the principle of operation is as described in fig. 9.

By way of example, it should be understood that when H1, H2, H3, H4 and H5 are 0, the pressure sensitive component should ensure that the thin film chip or the flexible thin film pressure diaphragm is not broken or damaged. The front end surface of the measuring contact can be a circular plane, a circular surface with a convex middle part, a spherical surface, a conical surface and the like. In addition, the measuring contact can be detachably arranged on the compressible elastic part in a movable fit mode and a jacking screw mode. The permanent magnet is preferably a strong magnetic permanent magnet, such as a neodymium iron boron magnet. The restricting member of the present invention is not limited to the specific embodiment, and it should be noted that the structural form of the restricting member is replaceable.

The working principle of the novel sensor is as follows: the outer end of the shell is close to the surface of a measured object, and certain reference voltage or current is applied to the novel sensor, so that the novel sensor can output electric signals which change along with pulse, blood pressure signals and vibration or hardness or elasticity changes. However, it should be understood that the application thereof is not limited to the examples of the present invention.

The foregoing is by way of specific examples of the present invention and it is therefore evident that the invention may be susceptible of considerable modification, variation or combination without departing from the broader aspects of the invention and therefore the scope of the appended claims is not intended to be limited to the specific examples and embodiments; the invention is intended to embrace all such modifications, variations or combinations that fall within the spirit and scope of the appended claims.

Claims

1. A novel sensor device, comprising:

a pressure sensitive component comprising an elastic diaphragm portion, a base or frame portion supporting the elastic diaphragm portion, said elastic diaphragm portion being adapted to deform when subjected to a force or an opposing motion and to convert said force or deformation into an electrical signal,

a force transmitting member, the force transmitting member comprising at least: an interference portion adapted to interfere with the resilient membrane portion, a compressible resilient portion and a measuring stylus adapted for contact/interference measurement,

a limiting member adapted to limit an interference force of the force transmission member against the elastic diaphragm portion, or adapted to limit an amount of interference displacement of an interference portion of the force transmission member with respect to the elastic diaphragm portion,

an accessory, the accessory comprising a housing or carrier,

wherein the front end of the measuring contact extends out of the outer end of the shell or the outer end of the carrier by a preset distance,

the method is characterized in that:

the casing outer end with through screw thread fit connection between the casing, be equipped with screw and top tight screw on the casing outer end.

2. The novel sensor device of claim 1, wherein:

the outer end of the shell is also provided with a permanent magnet.

3. The novel sensor device of claim 1, wherein:

the measuring contacts are detachably arranged on the compressible spring part.

4. The novel sensor device of claim 1 or 3, characterized in that:

the front end face of the measuring contact is one of a circular plane, a circular face with a convex middle part, a spherical face and a conical face.

5. The novel sensor device of claim 1, wherein:

when the measuring contact is subjected to a preset butting force, the front end of the measuring contact is flush with the outer end of the shell or the outer end of the carrier, or the front end surface of the measuring contact is lower than the outer end of the shell or the outer end of the carrier by a preset distance.

6. The novel sensor device of claim 1, wherein:

the carrier includes: band parts in mobile phones, watches, wearable devices.

7. A novel sensor device, comprising:

a resilient member adapted to decompose or transfer a portion of an external input force to the base or housing such that the resilient diaphragm portion receives only a portion of the input force,

an accessory, the accessory comprising a housing or carrier,

the method is characterized in that:

8. The novel sensor device of claim 7, wherein:

the outer end of the shell is also provided with a permanent magnet.

9. The novel sensor device of claim 7, wherein:

the measuring feeler is detachably arranged on the compressible elastic part,

10. A novel sensor device, comprising:

an accessory, the accessory comprising a housing or carrier,

the method is characterized in that:

the outer end of the shell is connected with the shell in a thread fit way, the outer end of the shell is provided with a screw hole and a tightening screw,

the limiting member is arranged between the measuring contact and the housing, a hole is arranged in the middle of the limiting member, the force transmission member movably extends out of the hole, the outer edge of the measuring contact is larger than the hole, and when the measuring contact is subjected to a preset abutting force, the measuring contact is contacted with the limiting member and is limited to move further, so that the front end face of the measuring contact is flush with the outer end of the housing, or the front end face of the measuring contact is lower than the outer end of the housing by a preset distance.