CN114486065B - Calibration testing device of general flexible pressure sensor with two degrees of freedom capable of programming - Google Patents
Calibration testing device of general flexible pressure sensor with two degrees of freedom capable of programming Download PDFInfo
- Publication number
- CN114486065B CN114486065B CN202210108696.4A CN202210108696A CN114486065B CN 114486065 B CN114486065 B CN 114486065B CN 202210108696 A CN202210108696 A CN 202210108696A CN 114486065 B CN114486065 B CN 114486065B
- Authority
- CN
- China
- Prior art keywords
- pressure sensor
- weighing
- flexible
- connecting piece
- moving mechanism
- 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.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 32
- 238000005303 weighing Methods 0.000 claims abstract description 63
- 230000007246 mechanism Effects 0.000 claims abstract description 52
- 238000013459 approach Methods 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims description 9
- 230000000994 depressogenic effect Effects 0.000 claims 1
- 238000011065 in-situ storage Methods 0.000 abstract description 3
- 238000003491 array Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/14—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
- G01L1/142—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators using capacitors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/16—Measuring force or stress, in general using properties of piezoelectric devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/18—Measuring force or stress, in general using properties of piezo-resistive materials, i.e. materials of which the ohmic resistance varies according to changes in magnitude or direction of force applied to the material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention provides a calibration testing device of a programmable two-degree-of-freedom universal flexible pressure sensor, which comprises: the device comprises a first moving mechanism, a second moving mechanism, a pressure head component and a weighing component; the weighing component is used for bearing the flexible pressure sensor and comprises a weighing sensor so as to be capable of collecting pressure signals; the second moving mechanism is connected between the first moving mechanism and the pressure head component, the first moving mechanism can drive the pressure head component to approach to the flexible pressure sensor positioned on the weighing component to press downwards, and the second moving mechanism can drive the pressure head component to move in parallel relative to the weighing component in two degrees of freedom; the pressure head component comprises a plurality of independent support columns which are arranged in an array, and the support columns can extend towards the weighing component in an independent adjustable mode to press down the flexible pressure sensor on the weighing component. By the adoption of the technical scheme, the universal type quick calibration testing device applicable to flexible sensors and flexible sensor arrays with different sizes can be provided, and testing functions of sensor size changing, sensor number changing and in-situ calibration can be achieved.
Description
Technical Field
The invention relates to the technical field of flexible sensor calibration, in particular to a calibration testing device of a programmable two-degree-of-freedom universal flexible pressure sensor.
Background
Flexible pressure sensors have been widely used in the fields of medical detection, robotics, wearable electronics, etc. Flexible pressure sensors can be classified into piezoresistive type, capacitive type and piezoelectric type according to the signal output type of the sensor. The flexible pressure sensor calibration and test means that output signals and loading pressure are collected simultaneously in the working state of the pressure sensor, and the signals are processed to obtain performance indexes such as sensitivity, measuring range, linearity and the like of the sensor. At present, a commonly used pressure sensor calibration device generally adopts a universal tensile testing machine, a tension and pressure sensor for acquiring pressure signals is fixedly connected with a testing machine movement mechanism to realize up-and-down movement, and a specific clamp and a pressure loading module are required to be processed and installed on the tension and pressure sensor.
The universal tensile tester is relatively bulky, resulting in poor mobility. In addition, since the specific fixture and the pressure loading module are only suitable for calibrating specific sizes and single sensors, the calibration test requirements of other sizes and the whole array of a plurality of sensors cannot be met, and the calibration efficiency is low and the universality is not realized.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a universal type rapid calibration testing device applicable to flexible sensors and flexible sensor arrays with different sizes, so as to realize the testing functions of variable sensor size, variable sensor number and in-situ calibration.
In order to solve the technical problems, the invention provides a calibration testing device of a programmable two-degree-of-freedom universal flexible pressure sensor, which comprises: the device comprises a first moving mechanism, a second moving mechanism, a pressure head component and a weighing component; the weighing component is used for bearing the flexible pressure sensor and comprises a weighing sensor so as to be capable of collecting pressure signals; the second moving mechanism is connected between the first moving mechanism and the pressure head component, the first moving mechanism can drive the pressure head component to approach to the flexible pressure sensor positioned on the weighing component to press downwards, and the second moving mechanism can drive the pressure head component to move in parallel relative to the weighing component in two degrees of freedom; the pressure head component comprises a plurality of independent support columns which are arranged in an array, and the support columns can extend towards the weighing component in an independent adjustable mode to press down the flexible pressure sensor on the weighing component.
In a more preferred embodiment, the device further comprises a base and a supporting seat; the support seat is connected with the base, and the weighing component is arranged on the base; the first moving mechanism is connected with the supporting seat and the base to drive the pressure head component to move along the vertical direction so as to be close to the weighing component.
In a preferred embodiment, the ram assembly is programmable to control the individual movement of each support column to achieve a custom arrangement of support columns.
In a preferred embodiment, the second moving mechanism includes a ram mount, a first link, and a second link; the ram mount includes a bore portion, the first connector includes a first shaft portion and a first bore portion, and the second connector includes a second shaft portion; the pressure head fixing piece is fixedly connected with the first moving mechanism; the first connecting piece is respectively connected with the pressure head fixing piece and the second connecting piece in a rotating way; wherein, the axis that first connecting piece and second connecting piece rotated is all perpendicular to weighing part.
In a more preferred embodiment, a first limiting block is arranged at the upper end of the hole part of the pressure head fixing piece; the upper end of the first shaft part of the first connecting piece is provided with a first interval limiting surface; the first limiting block of the hole part of the pressure head fixing piece is matched with the first interval limiting surface of the first shaft part of the first connecting piece, and the first connecting piece rotates relative to the pressure head fixing piece to drive the first interval limiting surface to be abutted on the first limiting block, so that the rotation angle range control of the first connecting piece is realized.
In a more preferred embodiment, a second limiting block is arranged at the lower end of the first hole part of the first connecting piece; the lower end of the second shaft part of the second connecting piece is provided with a second interval limiting surface; the second limiting block of the first hole part of the first connecting piece is matched with the second interval limiting surface of the second shaft part of the second connecting piece, and the second connecting piece rotates relative to the first connecting piece to drive the second interval limiting surface to be abutted on the second limiting block, so that the rotation angle range control of the second connecting piece is realized.
In a more preferred embodiment, the load cell structure is one of a parallel beam, a spoke, and an S-shape; the weighing sensor outputs a pressure signal, and the weighing sensor is connected with an external computer in a wired serial port communication mode.
In a more preferred embodiment, the flexible pressure sensor is one of a flexible piezoresistive pressure sensor unit, a flexible piezoresistive pressure sensor array, a flexible pressure-capacitance pressure sensor unit, a flexible pressure-capacitance pressure sensor array, a flexible piezoelectric pressure sensor unit, a flexible piezoelectric pressure sensor array.
In a preferred embodiment, the output signal of the flexible pressure sensor is one of a resistance value, a capacitance value and a current value; the output signal of the flexible pressure sensor is connected with an external computer in a wired or wireless mode, wherein the wireless connection is one of WIFI connection and Bluetooth connection, communication is carried out between the flexible pressure sensor and the external computer through a virtual serial port, and the wired connection is serial port communication.
In a preferred embodiment, the ram member is movable in a direction perpendicular to the weighing member and depresses one or more units in the flexible pressure sensor to cause the load cell and the flexible pressure sensor to output respective electrical signals.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
A calibration test device for a programmable two-degree-of-freedom universal flexible pressure sensor, comprising: the device comprises a first moving mechanism, a second moving mechanism, a pressure head component and a weighing component; the weighing component is used for bearing the flexible pressure sensor and comprises a weighing sensor so as to be capable of collecting pressure signals; the second moving mechanism is connected between the first moving mechanism and the pressure head component, the first moving mechanism can drive the pressure head component to approach to and press down the flexible pressure sensor positioned on the weighing component, and the second moving mechanism can drive the pressure head component to move in parallel relative to the weighing component in two degrees of freedom; the pressure head component comprises a plurality of independent support columns which are arranged in an array, and the support columns can extend towards the weighing component in an independently adjustable mode so as to be capable of pressing down a flexible pressure sensor positioned on the weighing component. The pressure head component can adjust the support column which needs to extend according to actual requirements, so that the support column corresponds to one or more units of the flexible pressure sensor; the pressure head component has wide universality, and in addition, the pressure head component can approach and drive the support column to press down on the flexible pressure sensor by combining the first moving mechanism; the pressing head component can move in parallel relative to the weighing component by combining the second moving mechanism, and the second moving mechanism can enable the pressing head component to have two degrees of freedom relative to the weighing component, so that adjustment is more convenient.
Drawings
FIG. 1 is a schematic perspective view of a test device according to a preferred embodiment of the present invention;
FIG. 2 is a schematic perspective view of a second movement mechanism coupled to a ram member in accordance with a preferred embodiment of the present invention;
FIG. 3 is an exploded perspective view of the connection of the second movement mechanism to the ram member in a preferred embodiment of the invention;
figures 4-5 illustrate the form of multiple array extensions of the support columns in a preferred embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the drawings and detailed description.
Referring to fig. 1-5, a calibration test device for a programmable two-degree-of-freedom universal flexible pressure sensor includes: a first moving mechanism 1, a second moving mechanism 2, a indenter member 3 and a weighing member 4; the weighing part 4 is used for bearing the flexible pressure sensor, and the weighing part 4 comprises a weighing sensor 41 so as to be capable of acquiring a pressure signal; the second moving mechanism 2 is connected between the first moving mechanism 1 and the pressure head component 3, the first moving mechanism 1 can drive the pressure head component 3 to approach to a flexible pressure sensor positioned on the weighing component 4 to press down, and the second moving mechanism 2 can drive the pressure head component 3 to move in parallel relative to the weighing component 4 in two degrees of freedom; wherein the ram member 3 comprises a plurality of individual support columns 31 arranged in an array, the support columns 31 being individually adjustable to extend towards the weighing member 4 to enable depression of a flexible pressure sensor located on the weighing member 4.
The pressure head component 3 can adjust the support column 31 which needs to extend according to actual requirements, so that the support column corresponds to one or more units of the flexible pressure sensor; the pressure head component 3 has wide universality, and in addition, the pressure head component 3 can approach and drive the support column 31 to press down on the flexible pressure sensor by combining the first moving mechanism 1; the pressing head part 3 can move in parallel relative to the weighing part 4 by combining the second moving mechanism 2, and the second moving mechanism 2 can enable the pressing head part 3 to have two degrees of freedom relative to the weighing part 4, so that adjustment is more convenient.
In this embodiment, the ram assembly programmably controls the individual movement of each support column to achieve a custom array arrangement of support columns. In this embodiment, each support column is controlled by a separate motor or cylinder, and each motor or cylinder is connected to a man-machine interaction device (e.g., a mobile phone, a computer, a tablet, etc.), and the extension length of each support column is controlled by manual programming to achieve custom arrangement of the support columns.
The calibration testing device further comprises a base 5 and a supporting seat 6; the support seat 6 is connected with the base 5, and the weighing component 4 is arranged on the base 5; the first moving mechanism 1 is connected with the supporting seat 6 and the base 5, and the first moving mechanism 1 drives the pressure head component 3 to approach the weighing component 4 along the vertical direction. The first moving mechanism 1 comprises a screw rod module 12, and the second moving mechanism 2 comprises a pressure head fixing piece 20; the screw rod module 12 is used for connecting the pressure head fixing piece 20; the second moving mechanism 2 is connected between the ram fixing member 20 and the ram member 3.
Specifically, the press head fixing member 20 is fixedly connected with the screw rod module 12, and the screw rod module 12 can refer to the prior art, so long as the press head fixing member 20 can be driven to move.
The ram fixing member 20 includes a hole portion 111, the first connecting member 21 includes a first shaft portion 211 and a first hole portion 212, and the second connecting member 22 includes a second shaft portion 32; the pressure head fixing piece 20 is fixedly connected with the first moving mechanism 1; the first connecting piece 21 is respectively connected with the pressure head fixing piece 20 and the second connecting piece 22 in a rotating way; wherein the axes of rotation of the first and second connection members 21, 22 are perpendicular to the weighing element 4. A first limiting block 24 is arranged at the upper end of the hole 111 of the pressure head fixing piece 20; a first spacing surface 23 is arranged at the upper end of the first shaft portion 211 of the first connecting piece 21; the first limiting block 24 of the hole 111 of the press head fixing piece 20 is matched with the first interval limiting surface 23 of the first shaft 211 of the first connecting piece 21, and the first connecting piece 21 rotates relative to the press head fixing piece 20 to drive the first interval limiting surface 23 to abut against the first limiting block 24, so that the rotation angle range control of the first connecting piece 21 is realized.
A second limiting block 25 is arranged at the lower end of the first hole part 212 of the first connecting piece 21; the lower end of the second shaft portion 32 of the second connecting member 22 is provided with a second spacing surface 26; the second limiting block 25 of the first hole portion 212 of the first connecting piece 21 is matched with the second interval limiting surface 26 of the second shaft portion 32 of the second connecting piece 22, and the second connecting piece 22 rotates relative to the first connecting piece 21 to drive the second interval limiting surface 26 to abut against the second limiting block 25, so that the rotation angle range control of the second connecting piece 22 is realized. Specifically, the rotation angle of the first connecting member 21 relative to the ram fixing member 20 is (-90 °), and the rotation angle of the second connecting member 22 relative to the first connecting member is (-70 °).
In this embodiment, the ram member 3 includes a main body 33 and the support columns 31, where the support columns 31 can independently move up and down, and the support columns 31 can adjustably implement 2×2 array loading, 2*3 array loading, and inclined plane loading states, as shown in fig. 4 and 5. The 2 x 2 array loading state is applicable to 2 x 2 array sensors; 2*3 array load states are applicable to 2 x 3 array sensors; the inclined plane loading state can be suitable for in-situ calibration when the flexible pressure sensor is mounted on the inclined plane. Of course, the custom state is not limited to the above method, and is applicable to the present invention as long as the loading state can be achieved by the movement of the support column 31.
The weighing sensor 41 is one of a parallel beam, a spoke type and an S type; the weighing sensor 41 outputs a pressure signal, and the weighing sensor 41 is connected with an external computer in a wired serial communication mode. The weighing part 4 comprises an upper cover plate 42, a lower cover plate 43 and the weighing sensor 41 between the upper cover plate 42 and the lower cover plate 43, wherein the upper cover plate 42 is used for receiving the flexible pressure sensor.
The flexible pressure sensor is one of a flexible piezoresistive pressure sensor unit, a flexible piezoresistive pressure sensor array, a flexible pressure-capacitance pressure sensor unit, a flexible pressure-capacitance pressure sensor array, a flexible piezoelectric pressure sensor unit and a flexible piezoelectric pressure sensor array. The output signal of the flexible pressure sensor is one of a resistance value, a capacitance value and a current value; the output signal of the flexible pressure sensor is connected with an external computer in a wired or wireless mode, wherein the wireless connection is one of WIFI connection and Bluetooth connection, communication is carried out between the flexible pressure sensor and the external computer through a virtual serial port, and the wired connection is serial port communication. The wired connection is that the sensor is connected with an MCU (micro control unit) firstly, and then the MCU is communicated with an external computer through a serial port. The MCU may be an Arduino, 51 single-chip microcomputer or STM32. Of course, the MCU is not limited to the above method, and any micro control unit capable of realizing the same function may be applied to the present invention.
In the present embodiment, the indenter member 3 is movable in a direction perpendicular to the weighing member 4 and pushes down one or more units in the flexible pressure sensor to cause the load cell 41 and the flexible pressure sensor to output corresponding electrical signals, respectively.
The ram member 3 may be controlled by the first movement mechanism 1 to achieve two modes of movement: unidirectional mode, bidirectional mode. The minimum distance for pressing down in the unidirectional mode is 0.01mm, and the speed is 0.05mm/s; in a single mode, calibration tests of sensitivity, measuring range and linearity of the flexible pressure sensor can be realized. The bidirectional mode can carry out cyclic reciprocating loading and unloading test, and can realize cyclic stability and hysteresis calibration test of the flexible pressure sensor. Of course, the movement mode is not limited to the above method, and is intended to realize the calibration test of the flexible pressure sensor, and is applicable to the invention.
In addition, the calibration test device can also be used for testing the loading state of crosstalk. The pressure head component 3 firstly presses down and loads the flexible pressure sensor to be tested until the flexible pressure sensor is in a stable state, and then the support column 31 near the loading area is moved to enable the flexible pressure sensor to press down and load the flexible pressure sensor to the surface of the sensor, so that the crosstalk calibration test of the sensor array is realized.
The foregoing is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any person skilled in the art will be able to make insubstantial modifications of the present invention within the scope of the present invention disclosed herein by this concept, which falls within the actions of invading the protection scope of the present invention.
Claims (9)
1. The utility model provides a calibration testing arrangement of general flexible pressure sensor of two degrees of freedom of programmability which characterized in that includes: the device comprises a first moving mechanism, a second moving mechanism, a pressure head component and a weighing component; the weighing component is used for bearing the flexible pressure sensor and comprises a weighing sensor so as to be capable of collecting pressure signals; the second moving mechanism is connected between the first moving mechanism and the pressure head component, the first moving mechanism can drive the pressure head component to approach to the flexible pressure sensor positioned on the weighing component to press downwards, and the second moving mechanism can drive the pressure head component to move in parallel relative to the weighing component in two degrees of freedom; the pressure head component comprises a plurality of independent support columns which are arranged in an array, and the support columns can extend towards the weighing component in an independent adjustable mode to press down the flexible pressure sensor positioned on the weighing component;
The ram assembly programmably controls individual movement of each support column to achieve custom alignment of the support columns.
2. The calibration test device for a programmable two-degree-of-freedom universal flexible pressure sensor of claim 1, wherein: the device also comprises a base and a supporting seat; the support seat is connected with the base, and the weighing component is arranged on the base; the first moving mechanism is connected with the supporting seat and the base to drive the pressure head component to move along the vertical direction so as to be close to the weighing component.
3. The calibration test device for a programmable two-degree-of-freedom universal flexible pressure sensor of claim 1 or 2, wherein: the second moving mechanism comprises a pressure head fixing piece, a first connecting piece and a second connecting piece; the ram mount includes a bore portion, the first connector includes a first shaft portion and a first bore portion, and the second connector includes a second shaft portion; the pressure head fixing piece is fixedly connected with the first moving mechanism; the first connecting piece is respectively connected with the pressure head fixing piece and the second connecting piece in a rotating way; wherein, the axis that first connecting piece and second connecting piece rotated is all perpendicular to weighing part.
4. A calibration test device for a programmable two-degree-of-freedom universal flexible pressure sensor as claimed in claim 3, wherein: the upper end of the hole part of the pressure head fixing piece is provided with a first limiting block; the upper end of the first shaft part of the first connecting piece is provided with a first interval limiting surface; the first limiting block of the hole part of the pressure head fixing piece is matched with the first interval limiting surface of the first shaft part of the first connecting piece, and the first connecting piece rotates relative to the pressure head fixing piece to drive the first interval limiting surface to be abutted on the first limiting block, so that the rotation angle range control of the first connecting piece is realized.
5. A calibration test device for a programmable two-degree-of-freedom universal flexible pressure sensor as claimed in claim 3, wherein: the lower end of the first hole part of the first connecting piece is provided with a second limiting block; the lower end of the second shaft part of the second connecting piece is provided with a second interval limiting surface; the second limiting block of the first hole part of the first connecting piece is matched with the second interval limiting surface of the second shaft part of the second connecting piece, and the second connecting piece rotates relative to the first connecting piece to drive the second interval limiting surface to be abutted on the second limiting block, so that the rotation angle range control of the second connecting piece is realized.
6. The calibration test device for a programmable two-degree-of-freedom universal flexible pressure sensor of claim 1, wherein: the weighing sensor structure is one of a parallel beam, a spoke type and an S type; the weighing sensor outputs a pressure signal, and the weighing sensor is connected with an external computer in a wired serial port communication mode.
7. The calibration test device for a programmable two-degree-of-freedom universal flexible pressure sensor of claim 1, wherein: the flexible pressure sensor is one of a flexible piezoresistive pressure sensor unit, a flexible piezoresistive pressure sensor array, a flexible pressure-capacitance pressure sensor unit, a flexible pressure-capacitance pressure sensor array, a flexible piezoelectric pressure sensor unit and a flexible piezoelectric pressure sensor array.
8. The calibration test device for a programmable two-degree-of-freedom universal flexible pressure sensor of claim 1, wherein: the output signal of the flexible pressure sensor is one of a resistance value, a capacitance value and a current value; the output signal of the flexible pressure sensor is connected with an external computer in a wired or wireless mode, wherein the wireless connection is one of WIFI connection and Bluetooth connection, communication is carried out between the flexible pressure sensor and the external computer through a virtual serial port, and the wired connection is serial port communication.
9. The calibration test device for a programmable two-degree-of-freedom universal flexible pressure sensor of claim 1, wherein: the ram member is movable in a direction perpendicular to the weighing member and is depressed against one or more cells in the flexible pressure sensor to cause the weighing sensor and the flexible pressure sensor to output respective electrical signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210108696.4A CN114486065B (en) | 2022-01-28 | 2022-01-28 | Calibration testing device of general flexible pressure sensor with two degrees of freedom capable of programming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210108696.4A CN114486065B (en) | 2022-01-28 | 2022-01-28 | Calibration testing device of general flexible pressure sensor with two degrees of freedom capable of programming |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114486065A CN114486065A (en) | 2022-05-13 |
| CN114486065B true CN114486065B (en) | 2024-05-17 |
Family
ID=81477290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210108696.4A Active CN114486065B (en) | 2022-01-28 | 2022-01-28 | Calibration testing device of general flexible pressure sensor with two degrees of freedom capable of programming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114486065B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116952457B (en) * | 2023-09-19 | 2024-02-06 | 广东汉瑞通信科技有限公司 | Detection equipment for wide-range pressure sensor |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175388A (en) * | 2011-01-21 | 2011-09-07 | 中国科学院合肥物质科学研究院 | Three-dimensional calibration device for curve flexible touch sensor array |
| CN102879150A (en) * | 2012-11-05 | 2013-01-16 | 上海交通大学 | Pressure sensitive array calibration device and method thereof |
| CN203414229U (en) * | 2013-04-28 | 2014-01-29 | 中国工程物理研究院总体工程研究所 | Multichannel flexible piezomagnetic sensor calibration test device |
| CN203745135U (en) * | 2014-03-28 | 2014-07-30 | 中国工程物理研究院总体工程研究所 | Multipath pressure calibration device for geotechnical pressure sensor |
| CN206038222U (en) * | 2016-08-31 | 2017-03-22 | 歌尔股份有限公司 | Pressure sensor test calibration frock |
| CN208155519U (en) * | 2018-05-30 | 2018-11-27 | 厦门攸信信息技术有限公司 | A kind of pressure calibration mechanism and device |
| CN211668697U (en) * | 2020-02-18 | 2020-10-13 | 云南民族大学 | Automatic calibration and test equipment for pressure sensor |
| CN111982395A (en) * | 2020-07-09 | 2020-11-24 | 滨海永达电子科技有限公司 | Pressure sensor batch debugging tool |
| CN113433403A (en) * | 2021-06-03 | 2021-09-24 | 厦门特仪科技有限公司 | Touch screen testing device and testing system |
| CN215573555U (en) * | 2021-08-11 | 2022-01-18 | 北京东山泽科贸有限责任公司 | Flexible pressure sensor calibration experimental device |
-
2022
- 2022-01-28 CN CN202210108696.4A patent/CN114486065B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175388A (en) * | 2011-01-21 | 2011-09-07 | 中国科学院合肥物质科学研究院 | Three-dimensional calibration device for curve flexible touch sensor array |
| CN102879150A (en) * | 2012-11-05 | 2013-01-16 | 上海交通大学 | Pressure sensitive array calibration device and method thereof |
| CN203414229U (en) * | 2013-04-28 | 2014-01-29 | 中国工程物理研究院总体工程研究所 | Multichannel flexible piezomagnetic sensor calibration test device |
| CN203745135U (en) * | 2014-03-28 | 2014-07-30 | 中国工程物理研究院总体工程研究所 | Multipath pressure calibration device for geotechnical pressure sensor |
| CN206038222U (en) * | 2016-08-31 | 2017-03-22 | 歌尔股份有限公司 | Pressure sensor test calibration frock |
| CN208155519U (en) * | 2018-05-30 | 2018-11-27 | 厦门攸信信息技术有限公司 | A kind of pressure calibration mechanism and device |
| CN211668697U (en) * | 2020-02-18 | 2020-10-13 | 云南民族大学 | Automatic calibration and test equipment for pressure sensor |
| CN111982395A (en) * | 2020-07-09 | 2020-11-24 | 滨海永达电子科技有限公司 | Pressure sensor batch debugging tool |
| CN113433403A (en) * | 2021-06-03 | 2021-09-24 | 厦门特仪科技有限公司 | Touch screen testing device and testing system |
| CN215573555U (en) * | 2021-08-11 | 2022-01-18 | 北京东山泽科贸有限责任公司 | Flexible pressure sensor calibration experimental device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114486065A (en) | 2022-05-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114486065B (en) | Calibration testing device of general flexible pressure sensor with two degrees of freedom capable of programming | |
| CN102175388A (en) | Three-dimensional calibration device for curve flexible touch sensor array | |
| CN104108602B (en) | The test equipment of hold-down devices and application thereof | |
| CN105973455B (en) | A kind of piezoelectric strain combined type microvibration measuring device | |
| CN104236794A (en) | Six-dimensional force transducer calibration device | |
| CN106123939A (en) | A kind of magnetic suspension sensor rigidity testing system and method for testing | |
| CN209897135U (en) | Multi-station CR (CR) testing machine for side keys of mobile phone | |
| CN108036912B (en) | Exciting device outside a kind of MEMS micro-structure triple axle piece based on inverse piezoelectric effect | |
| CN108120578B (en) | A kind of triple axle exciting bank that shock loading can be loaded to MEMS micro-structure | |
| CN108217587B (en) | Four-axle type seat excitation apparatus for the test of MEMS micro-structure dynamic characteristics | |
| CN108459221A (en) | A kind of potentiometer device for detecting performance | |
| CN108168814B (en) | A kind of four-axle type exciting device that piece external excitation can be carried out to MEMS micro-structure | |
| CN113252094A (en) | Sensor performance detection device | |
| CN108168816B (en) | It is a kind of can dynamic driving MEMS micro-structure triple axle exciting bank | |
| CN207908599U (en) | A kind of potentiometer device for detecting performance | |
| CN108896398B (en) | Dynamic calibration equipment for generating negative step load | |
| CN108020392B (en) | Exciting device outside a kind of MEMS micro-structure four-axle type piece based on inverse piezoelectric effect | |
| CN109060520B (en) | Device and method for testing rigidity of micro-folding cantilever beam | |
| CN108168815B (en) | A kind of MEMS micro-structure triple axle exciting bank by Piezoelectric Ceramic | |
| CN215340060U (en) | Wire resistance test fixture | |
| CN108217583B (en) | A kind of MEMS micro-structure triple axle exciting bank with mobile base structure | |
| CN108163806A (en) | A kind of MEMS micro-structure four-axle type seat excitation apparatus based on piezoelectric ceramics | |
| CN220381243U (en) | Circuit test fixture | |
| CN219348051U (en) | Torque calibration device | |
| CN108217584B (en) | A kind of triple axle exciting device for MEMS micro-structure progress dynamically load |
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 |