CN112539817A - Pressure sensor and pressure device - Google Patents
Pressure sensor and pressure device Download PDFInfo
- Publication number
- CN112539817A CN112539817A CN201910898072.5A CN201910898072A CN112539817A CN 112539817 A CN112539817 A CN 112539817A CN 201910898072 A CN201910898072 A CN 201910898072A CN 112539817 A CN112539817 A CN 112539817A
- Authority
- CN
- China
- Prior art keywords
- pressure sensor
- pressure
- mounting seat
- electrode sheet
- fixing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 238000003825 pressing Methods 0.000 claims description 5
- 239000010453 quartz Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims 1
- 238000005303 weighing Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 235000019994 cava Nutrition 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/02—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles
- G01G19/03—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing during motion
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G21/00—Details of weighing apparatus
- G01G21/23—Support or suspension of weighing platforms
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
本发明提供了一种压力传感器，包括设置有容置腔和多个固定孔的安装座，设置在容置腔内的感测电路组件，感测电路组件具有多个压力感测元件，多个固定组件分别设置在多个固定孔中且部分置入容置腔内，各个固定组件包括相互独立成形的调节件和传力件，传力件的一端与感测电路组件抵接，另一端与调节件抵接，调节件与安装座固定连接；本发明还提供一种压力装置。本发明提供的压力传感器，实现可独立调整传感器的预压力，通过传力件的凸起部分与调节件的凹陷部分之间的抵接对水平方向上的分力进行分解，降低压力感测元件损坏的风险。
The present invention provides a pressure sensor, comprising a mounting seat provided with an accommodating cavity and a plurality of fixing holes, a sensing circuit assembly disposed in the accommodating cavity, the sensing circuit assembly having a plurality of pressure sensing elements, a plurality of The fixing components are respectively arranged in a plurality of fixing holes and partially placed in the accommodating cavity. Each fixing component includes an adjusting member and a force transmitting member which are formed independently of each other. One end of the force transmitting member is in contact with the sensing circuit assembly, and the other end The adjusting piece is abutted, and the adjusting piece is fixedly connected with the mounting seat; the invention also provides a pressure device. The pressure sensor provided by the present invention realizes that the pre-pressure of the sensor can be adjusted independently, and the force component in the horizontal direction is decomposed by the abutment between the convex part of the force transmission part and the concave part of the adjusting part, and the pressure sensing element is reduced. risk of damage.
Description
Technical Field
The invention belongs to the technical field of sensors, and particularly relates to a pressure sensor and a pressure device.
Background
With the continuous development of science and technology, most toll roads adopt a weight-metering charging mode to charge different types of vehicles, so that the application of a dynamic weighing mode as weighing measurement when the vehicles pass is more and more extensive, and various dynamic weighing devices are widely applied.
In the prior art, a sensor mainly plays a role in weighing in a dynamic weighing process. Generally, in a dynamic weighing device, a plurality of sensors with built-in pressure sensing elements are arranged in a shell side by side and pressed by a steel plate, a plurality of screws corresponding to each sensor are arranged on the sensors to keep certain pretightening force, and the weight of the weighed object is detected according to the borne pressure. The dynamic weighing device cannot realize independent adjustment of the pre-pressure of each unit sensor in the assembling process, has the risk of crushing a pressure sensing element due to the horizontal component force and the steel plate flatness generated by screw pre-tightening, and is difficult to assemble and production efficiency is reduced in order to guarantee the assembly consistency process requirement.
Disclosure of Invention
The invention aims to provide a pressure sensor, which aims to solve the technical problem that the pressure sensor in the prior art cannot independently adjust the pre-pressure of a plurality of sensors arranged in a shell, so that the pressure sensing element of the sensor has a crushing risk.
In order to achieve the purpose, the invention adopts the technical scheme that: there is provided a pressure sensor comprising: the mounting seat is provided with an accommodating cavity and a plurality of fixing holes;
a sensing circuit assembly disposed within the receiving chamber, the sensing circuit assembly having a plurality of pressure sensing elements;
the fixing components are respectively arranged in the fixing holes and are partially placed in the accommodating cavity;
each fixing assembly comprises an adjusting piece and a force transmission piece which are formed independently, one end of each force transmission piece is abutted against the sensing circuit assembly, and the other end of each force transmission piece is abutted against the adjusting piece; the adjusting piece is fixedly connected with the mounting seat.
Furthermore, the mounting seat is arranged on the inner surface of the accommodating cavity and is inwards recessed to form a limiting groove, and the sensing circuit assembly is fixed in the limiting groove.
Furthermore, the inner surface of the mounting seat, which is located in the fixing hole, is provided with an internal thread, and the outer surface of the adjusting piece is provided with an external thread corresponding to the internal thread.
Further, the pressure sensor further comprises a pressure plate fixed on the other surface of the mounting seat opposite to the surface connected with the fixing component.
Further, the sensing circuit assembly comprises a first electrode plate, a second electrode plate and a support arranged between the first electrode plate and the second electrode plate, a plurality of pressure sensing elements are mounted on the support, and the first electrode plate and the second electrode plate are electrically connected with the plurality of pressure sensing elements.
Furthermore, a plurality of mounting holes for mounting a plurality of pressure sensing elements are formed in the bracket, and the plurality of pressure sensing elements are abutted to the first electrode plate and the second electrode plate.
Further, the pressure sensing element is a quartz wafer, and the pressure sensing element, the force transmission piece and the adjusting piece are coaxially arranged.
Further, the pressure sensor further comprises an insulating member, and the insulating member is arranged between the first electrode plate and the fixing component.
Further, the support is an insulating support.
Further, the force transmission piece is a stainless steel piece.
Further, the mount pad is including being used for the connection neck of concentrated stress, the connection neck includes perpendicular to the mount pad be formed with on the surface direction of fixed orifices, in the inside sunken portion that the relative both sides of mount pad formed, sunken portion is the symmetry setting, sunken portion is filled with insulating bubble cotton.
Furthermore, a convex part is convexly arranged on the surface of one end, abutted against the adjusting piece, of the force transmission piece.
Further, the surface of the end, abutted against the force transmission piece, of the adjusting piece is inwards recessed to form a recessed portion into which the protruding portion is placed.
Furthermore, the convex part of the force transmission piece is hemispherical, and the concave part of the adjusting piece is hemispherical.
The invention also provides a pressure device which comprises a shell and the pressure sensor arranged in the shell.
The pressure sensor provided by the invention has the beneficial effects that: compared with the prior art, the pressure sensor has the advantages that the fixing hole for fixedly connecting the fixing component is formed in the mounting seat, the force transmission piece of the fixing component is arranged in the containing cavity of the mounting seat and is abutted against the sensing circuit component, the adjusting piece abutted against the force transmission piece is fixedly connected in the fixing hole of the mounting seat, the prepressing force of the sensor can be independently adjusted, the load decoupling is realized, the component force of the force borne by the pressure sensor in the horizontal direction is decomposed, and the risk of damage to the pressure sensing component is reduced.
The pressure device with the pressure sensor can independently adjust the pre-pressure of the sensor, realize the decoupling of the load, decompose the component force of the force borne by the pressure sensor in the horizontal direction and reduce the risk of the damage of the pressure sensing element.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic perspective view of a pressure sensor according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an exploded structure of a pressure sensor provided in an embodiment of the present invention;
FIG. 3 is a transverse cross-sectional view of a pressure sensor along a mounting assembly provided by an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;
FIG. 5 is a cross-sectional view of a mount for a pressure sensor provided in accordance with an embodiment of the present invention, taken along the transverse direction of the mount;
fig. 6 is a front view schematically illustrating a force transmitting member of the pressure sensor according to the embodiment of the present invention;
fig. 7 is an axial sectional structural diagram of an adjusting member of a pressure sensor according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
1: mounting seat 11: containing cavity
12: fixing hole 13: limiting groove
14: the connecting neck 15: invagination part
2: the sensing circuit assembly 21: pressure sensing element
22: first electrode sheet 23: second electrode sheet
24: the support 241: mounting hole
3: the fixing assembly 31: adjusting part
311: recessed portion 32: force transmission piece
321: the convex portion 4: pressing plate
5: insulating member
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 2, the pressure sensor provided in this embodiment includes a mounting base 1 having an accommodating cavity 11 and a plurality of fixing holes 12, a sensing circuit assembly 2 disposed in the accommodating cavity 11, the sensing circuit assembly 2 having a plurality of pressure sensing elements 21, a plurality of fixing assemblies 3 respectively disposed in the fixing holes 12 and partially disposed in the accommodating cavity 11, each fixing assembly 3 including an adjusting member 31 and a force transmitting member 32 formed independently of each other, one end of the force transmitting member 32 abuts against the sensing circuit assembly 2, the other end abuts against the adjusting member 31, and the adjusting member 31 is fixedly connected to the mounting base 1.
According to the pressure sensor, the fixing hole 12 for fixedly connecting the fixing component 3 is formed in the mounting base 1, the force transmission piece 32 of the fixing component 3 is arranged in the accommodating cavity 11 of the mounting base 1 and is abutted against the sensing circuit component 2, the adjusting piece 31 abutted against the force transmission piece 32 is fixedly connected into the fixing hole 12 of the mounting base 1, pre-pressure of the pressure sensor can be independently adjusted, load decoupling is achieved, component force of force borne by the pressure sensor in the horizontal direction is resolved, and the risk of damage to the pressure sensing element 21 is reduced.
Referring to fig. 3 to 5, as an embodiment of the pressure sensor provided in this embodiment, the pressure sensor includes a mounting base 1 having a receiving cavity 11 and a plurality of fixing holes 12, two opposite side portions of the mounting base 1 are respectively formed with openings communicating with the receiving cavity 11, and the receiving cavity 11 is disposed through the mounting base 1. The mounting seat 1 is fixedly connected with a sensing circuit assembly 2 and a plurality of fixing assemblies 3, the sensing circuit assembly 2 is arranged in the accommodating cavity 11, and the sensing circuit assembly 2 is provided with a plurality of pressure sensing elements 21 and used for measuring and analyzing the dynamic force of the automobile tire, measuring and calculating the total weight and partial weight of a moving vehicle, realizing dynamic weighing and transmitting the measured data to a background. The fixing assemblies 3 are respectively arranged in the fixing holes 12 and are partially arranged in the accommodating cavity 11, each fixing assembly 3 comprises an adjusting piece 31 and a force transmission piece 32 which are formed independently, one end of each force transmission piece 32 is abutted against the sensing circuit assembly 2, and the other end of each force transmission piece 32 is abutted against the adjusting piece 31; the adjusting member 31 is fixedly connected with the mounting base 1. The mounting base 1 is provided with a plurality of fixing holes 12 for fixedly connecting the fixing component 3, and the plurality of fixing holes 12 are arranged side by side, so that the pressure sensor can independently adjust the pre-pressure of the fixing component 3 on each pressure sensing element 21 in the sensing circuit component 2, and the load decoupling is realized. Preferably, the aperture of each of the plurality of fixing holes 12 on the mounting base 1 is larger than the diameter of the force transmission piece 32, and the force transmission piece 32 of the fixing component 3 can be mounted into the accommodating cavity 11 through the fixing holes 12 during assembly, so that the adjusting piece 31 is positioned and abutted against the convex portion 321 of the force transmission piece 32 during assembly, and the pressure sensor in the embodiment is more convenient to assemble, simplifies production procedures, and is beneficial to improving production efficiency.
Preferably, the inner surface of the mounting base 1 located in the fixing hole 12 is provided with an internal thread, the outer surface of the adjusting member 31 is provided with an external thread corresponding to the internal thread, the mounting base 1 is fixedly connected to the adjusting member 31 by means of a threaded connection, and by screwing the adjusting member 31, pre-pressure of the fixing member 3 on each pressure sensing element 21 in the sensing circuit assembly 2 is controlled by adjusting the fixing member 3.
Further, the other end of the adjusting member 31 opposite to the end abutting against the force transmitting member 32 is provided with a mounting portion, preferably, the mounting portion provided on the adjusting member 31 is an adjusting groove formed by recessing the end surface of the adjusting member 31, and since the mounting portion is an adjusting groove formed by recessing, the adjusting member 31 is not easily changed by increasing the adjusting difficulty, so that the adjusting member 31 is not easily affected by the external structure to change the connection position thereof, and the pre-pressure of the fixing assembly 3 on the pressure sensing element 21 in the sensing circuit assembly 2 can be adjusted by using a specific tool.
Referring to fig. 6 to 7, in the present embodiment, the fixing assembly 3 includes an adjusting member 31 and a force transmitting member 32 abutting against the adjusting member 31, one end of the force transmitting member 32 abuts against the sensing circuit assembly 2, a convex portion 321 is convexly formed on a surface of the other end, a concave portion 311 for the convex portion 321 to be partially inserted is formed on a surface of the adjusting member 31 abutting against the force transmitting member 32, and a component force in a horizontal direction of a force applied to the pressure sensor is resolved by the abutment between the convex portion 321 of the force transmitting member 32 and the concave portion 311 of the adjusting member 31, so as to reduce a risk of damage to the pressure sensing element 21. Preferably, the force transmission piece 32 is a stainless steel piece, the convex portion 321 of the force transmission piece 32 is hemispherical, and the concave portion 311 of the adjusting piece 31 is hemispherical, so that the component force of the force applied to the pressure sensor in the horizontal direction is uniformly decomposed by the abutting between the curved surfaces, and meanwhile, the abrasion generated after the abutting friction between the adjusting piece 31 and the force transmission piece 32 of the fixing assembly 3 can be reduced, which is beneficial to prolonging the service life of the pressure sensor.
Furthermore, the pressure sensing element 21 is a quartz wafer, and the pressure sensing element 21, the force transmission member 32 and the adjusting member 31 are coaxially arranged, so that the fixing component 3 can more effectively decompose the horizontal component of the force applied to the dynamic weighing sensing device, and the risk of damage to the pressure sensing element 21 can be more effectively reduced.
Referring to fig. 1, in the present embodiment, the pressure sensor further includes a pressing plate 4, the pressing plate 4 is fixed on another surface of the mounting base 1 opposite to the surface connected with the fixing component 3, and can uniformly distribute the pressure applied to the pressure sensor to the pressure sensing elements 21 in the sensing circuit components 2 of each unit, and can protect the pressure sensor. The material and structure of the pressure plate 4 are not limited, and preferably, the pressure plate 4 is a rectangular epoxy resin plate, which has the characteristics of easy processing, stable performance, wear resistance and the like, and is beneficial to improving the production efficiency and prolonging the service life of the pressure sensor.
Referring to fig. 2 to 4, in the present embodiment, the sensing circuit assembly 2 of the pressure sensor includes a first electrode plate 22, a second electrode plate 23, and a bracket 24 disposed between the first electrode plate 22 and the second electrode plate 23, the bracket 24 is mounted with a plurality of pressure sensing elements 21, the first electrode plate 22 and the second electrode plate 23 are electrically connected to the plurality of pressure sensing elements 21, when the plurality of pressure sensing elements 21 of the sensing circuit assembly 2 are pressed by an external force, an electrical signal is generated, and the electrical signal generated by each pressure sensing element 21 is transmitted to the background through the first electrode plate 22 and the second electrode plate 23 electrically connected to the plurality of pressure sensing elements 21.
Further, the first electrode sheet 22 is a negative electrode sheet, the second electrode sheet 23 is a positive electrode sheet, the first electrode sheet 22 is connected in series with the negative electrodes of the plurality of pressure sensing elements 21, the second electrode sheet 23 is connected in series with the positive electrodes of the plurality of pressure sensing elements 21, and the first electrode sheet 22 and the second electrode sheet 23 are connected in parallel through the plurality of pressure sensing elements 21.
Further, the pressure sensor further comprises an external lead, the external lead is electrically connected with the first electrode plate 22 and the second electrode plate 23, the electric signal sent by the sensing circuit assembly 2 is transmitted to the background through the external lead, and the measurement data is displayed.
Further, be provided with a plurality of mounting holes 241 that supply to install a plurality of pressure sensing element 21 on the support 24, a plurality of pressure sensing element 21 all with first electrode piece 22 and second electrode piece 23 butt, restrict a plurality of pressure sensing element 21 relative support 24 removal on the support 24 through setting up mounting hole 241, and make a plurality of pressure sensing element 21 all with first electrode piece 22 and second electrode piece 23 butt through mounting hole 241 on the support 24, the simplified structure, make the pressure sensor equipment in this embodiment more simple and convenient, be favorable to improving production efficiency.
Further, the support 24 is an insulating support 24, and the pressure sensing element 21 is mounted by arranging the insulating plastic support 24, so that communication between the first electrode plate 22 and the second electrode plate 23 is prevented, an internal circuit of the pressure sensor is prevented from being short-circuited, and data output is influenced.
Further, the pressure sensor further comprises an insulating member 5, wherein the insulating member 5 is arranged between the first electrode plate 22 and the fixing component 3, and the electric signal generated after the pressure sensing element 21 is pressed is prevented from being transmitted to the fixing component 3, so that the accuracy of data output is not affected. The structure and material of the insulating member 5 are not limited, and preferably, the insulating member 5 is an insulating film, so as to avoid occupying the inner space of the accommodating cavity 11 of the mounting base 1 and improve the space utilization rate of the accommodating cavity 11.
Referring to fig. 3 to 5, in the present embodiment, the mounting base 1 is located on the inner surface of the accommodating cavity 11 and is recessed inward to form a limiting groove 13, the sensing circuit assembly 2 is fixed in the limiting groove 13, the sensing circuit assembly 2 is disposed in the limiting groove 13 to prevent the sensing circuit assembly 2 from moving relative to the mounting base 1, and the position of the pressure sensing element 21 of the sensing circuit assembly 2 is effectively located and is coaxially disposed with the adjusting element 31 and the force transferring element 32 of the fixing assembly 3, so that the fixing assembly 3 more effectively decomposes the component force of the dynamic weighing sensing device in the horizontal direction, and the risk of damage to the pressure sensing element 21 is more effectively reduced.
Further, mount pad 1 includes the connecting neck 14 that is used for concentrating stress, and connecting neck 14 includes in the surface direction that is perpendicular to mount pad 1 and is formed with fixed orifices 12, the inside sunken portion 15 that inwards caves in that forms in the relative both sides of mount pad 1, and inside sunken portion 15 is the symmetry setting for the stress that clamp plate 4 transmitted to sensing circuit assembly 2 is more concentrated, improves pressure sensor measuring accuracy.
Further, it is cotton to fill at the portion 15 that caves in of mount pad 1 has insulating bubble, can play the effect of buffering clamp plate 4 transmission to mount pad 1 and sensing circuit subassembly 2's partial stress on the one hand, and on the other hand can prevent to be located the portion 15 that caves in of mount pad 1 in the casing and have ponding, causes the damage to pressure sensor's internal device, is favorable to prolonging pressure sensor's life.
Further, the surface of the circumferential side wall of the mounting base 1 is inwards sunken to form at least one glue sealing groove, when the dynamic sensor is assembled and sealed, part of glue can flow into the glue sealing grooves formed in the mounting base 1, the gluing area of the mounting base 1 and other parts is increased, and the stability of adhesive connection is effectively improved. The material of the mounting seat 1 is not limited, preferably, the mounting seat 1 is an aluminum alloy mounting seat 1, and the mounting seat 1 made of the aluminum alloy material has high hardness and is easy to process and produce, so that the production efficiency is effectively improved.
The invention also provides a pressure device, which comprises a shell and the pressure sensor arranged in the shell, wherein the pressure device can independently adjust the pre-pressure of the sensor and realize the decoupling of the load; by the abutment between the convex portion 321 of the force transmitting member 32 and the concave portion 311 of the adjusting member 31, the component force in the horizontal direction of the force applied to the dynamic load cell is resolved, reducing the risk of damage to the pressure sensing element 21.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (15)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910898072.5A CN112539817B (en) | 2019-09-23 | 2019-09-23 | Pressure sensor and pressure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910898072.5A CN112539817B (en) | 2019-09-23 | 2019-09-23 | Pressure sensor and pressure device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112539817A true CN112539817A (en) | 2021-03-23 |
| CN112539817B CN112539817B (en) | 2025-03-28 |
Family
ID=75012984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910898072.5A Active CN112539817B (en) | 2019-09-23 | 2019-09-23 | Pressure sensor and pressure device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112539817B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102124312A (en) * | 2008-06-19 | 2011-07-13 | 埃尔特克有限公司 | Pressure sensor device |
| CN102564548A (en) * | 2012-01-18 | 2012-07-11 | 郑州衡量电子科技有限公司 | Dynamic weighing piezoelectric sensor for vehicle |
| CN102564655A (en) * | 2012-03-04 | 2012-07-11 | 中航电测仪器股份有限公司 | Pressure sensor |
| CN104330203A (en) * | 2011-05-07 | 2015-02-04 | 河南送变电工程公司 | Pressure testing connector |
| CN204359471U (en) * | 2014-12-08 | 2015-05-27 | 北京航天金泰星测技术有限公司 | Detect the three-dimensional pressure sensor of granary storage capacity |
| CN105698908A (en) * | 2016-03-23 | 2016-06-22 | 华南理工大学 | Piezoelectric dynamic vehicle weighing sensor |
| CN107084806A (en) * | 2016-02-15 | 2017-08-22 | 意法半导体股份有限公司 | The pressure sensor being encapsulated in elastomeric material is with including the system of pressure sensor |
| CN206573239U (en) * | 2017-03-10 | 2017-10-20 | 中铁十四局集团有限公司 | Pressure sensor and soil pressure monitoring device |
| US20180184923A1 (en) * | 2017-01-04 | 2018-07-05 | Livemetric (Medical) S.A. | Blood Pressure Measurement System Using Force Resistive Sensor Array |
| CN109406012A (en) * | 2018-11-09 | 2019-03-01 | 华南理工大学 | A kind of threedimensional haptic sensor array of flexible piezoelectric formula and preparation method thereof |
| CN208672217U (en) * | 2018-06-25 | 2019-03-29 | 精量电子（深圳）有限公司 | A kind of pressure sensor |
| CN209296189U (en) * | 2018-11-05 | 2019-08-23 | 常州曼淇威压力控制技术有限公司 | Voltage-resistant pressure sensor |
| CN211013196U (en) * | 2019-09-23 | 2020-07-14 | 精量电子（深圳）有限公司 | Pressure sensor and pressure device |
-
2019
- 2019-09-23 CN CN201910898072.5A patent/CN112539817B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102124312A (en) * | 2008-06-19 | 2011-07-13 | 埃尔特克有限公司 | Pressure sensor device |
| CN104330203A (en) * | 2011-05-07 | 2015-02-04 | 河南送变电工程公司 | Pressure testing connector |
| CN102564548A (en) * | 2012-01-18 | 2012-07-11 | 郑州衡量电子科技有限公司 | Dynamic weighing piezoelectric sensor for vehicle |
| CN102564655A (en) * | 2012-03-04 | 2012-07-11 | 中航电测仪器股份有限公司 | Pressure sensor |
| CN204359471U (en) * | 2014-12-08 | 2015-05-27 | 北京航天金泰星测技术有限公司 | Detect the three-dimensional pressure sensor of granary storage capacity |
| CN107084806A (en) * | 2016-02-15 | 2017-08-22 | 意法半导体股份有限公司 | The pressure sensor being encapsulated in elastomeric material is with including the system of pressure sensor |
| CN105698908A (en) * | 2016-03-23 | 2016-06-22 | 华南理工大学 | Piezoelectric dynamic vehicle weighing sensor |
| US20180184923A1 (en) * | 2017-01-04 | 2018-07-05 | Livemetric (Medical) S.A. | Blood Pressure Measurement System Using Force Resistive Sensor Array |
| CN206573239U (en) * | 2017-03-10 | 2017-10-20 | 中铁十四局集团有限公司 | Pressure sensor and soil pressure monitoring device |
| CN208672217U (en) * | 2018-06-25 | 2019-03-29 | 精量电子（深圳）有限公司 | A kind of pressure sensor |
| CN209296189U (en) * | 2018-11-05 | 2019-08-23 | 常州曼淇威压力控制技术有限公司 | Voltage-resistant pressure sensor |
| CN109406012A (en) * | 2018-11-09 | 2019-03-01 | 华南理工大学 | A kind of threedimensional haptic sensor array of flexible piezoelectric formula and preparation method thereof |
| CN211013196U (en) * | 2019-09-23 | 2020-07-14 | 精量电子（深圳）有限公司 | Pressure sensor and pressure device |
Non-Patent Citations (1)
| Title |
|---|
| 汪志红: "《电阻应变片式六维力传感器弹性体力学特性的研究》", 《中国优秀硕士学位论文全文数据库(电子期刊)》, 30 June 2014 (2014-06-30) * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112539817B (en) | 2025-03-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110574297B (en) | Compact modular wireless sensor | |
| US12058481B2 (en) | Hybrid modular wireless sensor | |
| CN211013196U (en) | Pressure sensor and pressure device | |
| CN222719037U (en) | Weighing sensor assembly and electronic scale | |
| CN112539817A (en) | Pressure sensor and pressure device | |
| CN216246405U (en) | Hybrid Modular Wireless Sensor | |
| CN211147909U (en) | Force sensor | |
| CN112114585A (en) | Four-foot gait interactive bionic deduction robot | |
| CN203732148U (en) | Pressure measuring element and weight measurement device | |
| CN108020308B (en) | Weighing module applied to human body three-dimensional scanning equipment | |
| CN217765293U (en) | Temperature sensing module and earphone | |
| US12451532B2 (en) | Battery module and device | |
| CN206125271U (en) | Balance car | |
| CN212871435U (en) | Quartz crystal sensor dynamic weighing device | |
| CN210346885U (en) | Weighing device | |
| CN223500542U (en) | A foot pedal power measuring device | |
| CN218566655U (en) | Electronic pressure gauge | |
| CN209802488U (en) | electronic weighing apparatus | |
| CN223319875U (en) | Load cell assemblies and electronic scales | |
| CN222774152U (en) | Force sensitive sensor elastic body structure and force sensitive sensor | |
| CN223037246U (en) | A solar electronic scale | |
| CN219495432U (en) | Weighing device with protect function | |
| CN221224027U (en) | Electrical module | |
| CN220438971U (en) | Fingerprint identification device with bluetooth function | |
| CN221385134U (en) | Novel force measuring boxing plate structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |