CN107664556B - Testing device for temperature characteristic of pressure sensor - Google Patents
Testing device for temperature characteristic of pressure sensor Download PDFInfo
- Publication number
- CN107664556B CN107664556B CN201710885907.4A CN201710885907A CN107664556B CN 107664556 B CN107664556 B CN 107664556B CN 201710885907 A CN201710885907 A CN 201710885907A CN 107664556 B CN107664556 B CN 107664556B
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- rod
- working box
- box
- pressure sensor
- bottom plate
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Classifications
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- 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
- G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
Abstract
The invention discloses a device for testing the temperature characteristic of a pressure sensor, which comprises a bottom plate, wherein first supporting rods fixedly connected with the bottom plate are symmetrically arranged on the upper side of the bottom plate, a working box is arranged at one end, far away from the bottom plate, of each first supporting rod, the working box is connected with the first supporting rods in a sliding mode, the working box consists of a left box body and a right box body, a second supporting rod is arranged on the bottom plate, L-shaped rods fixedly connected with the working box are symmetrically arranged on one side of the working box, and a transmission block is arranged at one end of each L-shaped rod. The invention has the advantages that the testing device is arranged as a box body, the heating device is additionally arranged in the box body to heat the surrounding environment of the pressure sensor, the work of the heating device is controlled by a computer, the whole testing device is connected more tightly, the data of the pressure sensor is transmitted by the transmission device and read by the display, the testing result is more accurate, the time consumption is shorter, and the automation is basically realized.
Description
Technical Field
The invention relates to the technical field of testing devices of micro-electro-mechanical devices, in particular to a testing device for temperature characteristics of a pressure sensor.
Background
The pressure sensor test generally includes items such as repeatability, linearity, sensitivity, hysteresis characteristic, zero offset stability, zero temperature drift, sensitivity temperature coefficient, and full temperature coefficient. This requires not only providing pressure excitation for the pressure sensor, but also providing a controlled high and low temperature environment during pressure sensor testing. However, due to the condition limitation of the device under test, in the process of testing the sensor device, the research and development and application unit of the pressure sensor cannot provide the pressure environment and the changed temperature environment for the device at the same time in many cases, so that the full-parameter test cannot be performed, and the automation degree and efficiency of the test are also low. The existing solutions at present are: the device to be tested is installed on the tool clamp, a pressure environment is provided for the device to be tested through the tool clamp, the tool clamp with the device to be tested packaged is placed in the high-low temperature test box, and the high-low temperature environment is provided by the high-low temperature test box. The test system of the solution has large volume, is scattered and not integrated enough, and is not easy to form a full-automatic system; in addition, the scheme needs a long time to enable the temperature of the test environment to reach the balance, and the test efficiency is influenced.
Disclosure of Invention
The invention aims to solve the defects in the prior art, such as: the test system of the solution has large volume, is scattered and not integrated enough, and is not easy to form a full-automatic system; in addition, the scheme needs a long time to enable the temperature of the test environment to reach balance, and the test efficiency is influenced, so that the test device for the temperature characteristic of the pressure sensor is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
a testing device for the temperature characteristic of a pressure sensor comprises a bottom plate, wherein first supporting rods fixedly connected with the bottom plate are symmetrically arranged on the upper side of the bottom plate, a working box is arranged at one end, away from the bottom plate, of each first supporting rod, the working box is connected with the first supporting rods in a sliding mode, the working box is composed of a left box body and a right box body, a second supporting rod is arranged on the bottom plate, an L-shaped rod fixedly connected with the working box is symmetrically arranged on one side of the working box, a transmission block is arranged at one end of the L-shaped rod, a threaded hole is formed in the side wall of the transmission block in the horizontal direction, a rotating rod is inserted into the threaded hole and is in threaded connection with the threaded hole, a second gear is arranged on the rotating rod, a heating box is arranged in the working box, a first opening is formed in each of the side wall of, electrode blocks fixedly connected with the heating box are symmetrically arranged at two ends of the heating box and are connected with the heating ring, one end of the electrode block, which is far away from the heating box, is provided with a plug fixedly connected with the electrode block, the upper side of the heating box is provided with a snap ring, a chute is arranged in the snap ring, an annular rod which is connected with the chute in a sliding way is inserted in the chute, the side wall of the upper end and the side wall of the lower end of the working box are both provided with a second opening, the lower side of the working box is symmetrically provided with connecting blocks fixedly connected with the working box, one opposite side of the two connecting blocks is provided with a limiting groove, a connecting plate is arranged between the two connecting blocks, sliding holes are symmetrically arranged on the connecting plate in the horizontal direction, one of the sliding holes is inserted with a first limiting rod in sliding connection with the sliding hole, the other sliding hole is inserted with a second limiting rod in sliding connection with the sliding hole, and the second limiting rod and the first limiting rod are inserted in the limiting groove and are connected with the limiting groove in a clamping mode.
Preferably, the upper end of the second support rod is provided with a motor, an output shaft of the motor is connected with a rotating shaft through a coupler, the rotating shaft is provided with a first gear, the first gear is positioned on one side of the second gear, and the first gear is meshed with the second gear.
Preferably, the bilateral symmetry of work box is equipped with rather than fixed connection's negative plate and positive plate, the plug all passes through the connection of electric lines with negative plate and positive plate, be equipped with a plurality of control switches on the positive plate, the last first data line that is equipped with of control switch, the other end of first data line is equipped with the computer.
Preferably, a fixing block fixedly connected with the snap ring is arranged in the snap ring, a spring is arranged on one side of the fixing block, and the other end of the spring is connected with one side of the annular rod.
Preferably, the inner side wall of the upper end of the connecting plate is provided with a rotating groove, a gear shaft connected with the rotating groove in a rotating mode is inserted into the rotating groove, racks are arranged on the opposite sides of the first limiting rod and the second limiting rod, and the gear shaft is connected with the racks in a meshed mode.
Preferably, the upper side of connecting plate is equipped with the transmitter, be equipped with the display on the bottom plate, the one end of transmitter is equipped with the second data line, the other end and the display of second data line are connected.
Compared with the prior art, the invention has the beneficial effects that: set up testing arrangement into a box, heat pressure sensor's surrounding environment through adding in the box and establish heating device, simultaneously through computer control heating device's work for comparatively inseparable that whole testing arrangement connects, transmit pressure sensor's data through transmission device, and read through the display, make the result of test more accurate, it is shorter to use the time, realizes automaticly simultaneously basically.
Drawings
Fig. 1 is a schematic structural diagram of a device for testing temperature characteristics of a pressure sensor according to the present invention;
FIG. 2 is a schematic structural diagram of a top portion of a device for testing temperature characteristics of a pressure sensor according to the present invention;
FIG. 3 is a rear side schematic view of a device for testing temperature characteristics of a pressure sensor according to the present invention;
fig. 4 is a schematic structural diagram at a in fig. 1.
In the figure: the device comprises a base plate 1, a first supporting rod 2, a working box 3, a second supporting rod 4, a rotating rod 5, a transmission block 6, a 7L-shaped rod 8, a first gear 9, a second gear 10, a heating box 11, an electrode block 11, a plug 12, an electric wire 13, a negative plate 14, a positive plate 15, a control switch 16, a first data line 17, a computer 18, a snap ring 19, a fixed block 20, a spring 21, a ring-shaped rod 22, a connecting block 23, a connecting plate 24, a first limiting rod 25, a second limiting rod 26, a gear shaft 27, a transmitter 28, a second data line 29 and a display 30.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention 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 thus, should not be construed as limiting the present invention.
Referring to fig. 1-4, a testing device for temperature characteristics of a pressure sensor comprises a bottom plate 1, wherein a first supporting rod 2 fixedly connected with the bottom plate 1 is symmetrically arranged on the upper side of the bottom plate 1, a working box 3 is arranged at one end, far away from the bottom plate 1, of the first supporting rod 2, the working box 3 is in sliding connection with the first supporting rod 2, the working box 3 consists of a left box body and a right box body, a second supporting rod 4 is arranged on the bottom plate 1, a motor is arranged at the upper end of the second supporting rod 4, an output shaft of the motor is connected with a rotating shaft through a coupler, a first gear 8 is arranged on the rotating shaft, the first gear 8 is positioned at one side of a second gear 9, the first gear 8 is in meshing connection with the second gear 9, an L-shaped rod 7 fixedly connected with one side of the working box 3 is symmetrically arranged at one side of the working box 3, a transmission block 6, the rotating shaft is driven to rotate by a motor, so as to drive the first gear 8 to rotate, the first gear 8 is meshed with the second gear 9 for connection and transmission, so that the second gear 9 is driven to rotate by the rotation of the first gear 8, so as to drive the rotating rod 5 to rotate, the rotating rod 5 is in threaded connection with a threaded hole, the second gear 9 is arranged on the rotating rod 5, a heating box 10 is arranged in the working box 3, the upper end side wall and the lower end side wall of the heating box 10 are both provided with a first opening, a plurality of annular heating rings are arranged in the heating box 10, electrode blocks 11 fixedly connected with the heating box 10 are symmetrically arranged at two ends of the heating box 10, the electrode blocks 11 are connected with the heating rings, one end, away from the heating box 10, of the electrode blocks 11 is provided with a plug 12 fixedly connected with the electrode blocks, the negative plate 14 and the positive plate 15 fixedly connected with the working, the positive plate 15 is provided with a plurality of control switches 16, the control switches 16 are provided with first data lines 17, the other end of each first data line 17 is provided with a computer 18, the temperature to be heated is input into the computer 18 according to the requirement, then the computer 18 starts the control switches 16 through the first data lines 17, so that the positive plate 15 is communicated with the negative plate 14, the annular heating ring works, the upper side of the heating box 10 is provided with a clamping ring 19, a sliding groove is arranged in the clamping ring 19, an annular rod 22 in sliding connection with the sliding groove is inserted in the sliding groove, a fixed block 20 fixedly connected with the clamping ring 19 is arranged in the clamping ring 19, one side of the fixed block 20 is provided with a spring 21, the other end of the spring 21 is connected with one side of the annular rod 22, the clamping ring 19 and the annular rod 22 clamp the pressure sensor through the elastic action of the spring 21, and the upper end side wall and, the lower side of the working box 3 is symmetrically provided with connecting blocks 23 fixedly connected with the working box, one opposite side of the two connecting blocks 23 is provided with a limiting groove, a connecting plate 24 is arranged between the two connecting blocks 23, the upper side of the connecting plate 24 is provided with a transmitter 28, the bottom plate 1 is provided with a display 30, one end of the transmitter 28 is provided with a second data line 29, the other end of the second data line 29 is connected with the display 30, data is obtained through the transmitter 28 and is transmitted to the display 30 through the second data line 29, the data is read from the display 30, the connecting plate 24 is symmetrically provided with sliding holes in the horizontal direction, one sliding hole is inserted with a first limiting rod 25 in sliding connection with the sliding hole, the other sliding hole is inserted with a second limiting rod 26 in sliding connection with the sliding hole, the second limiting rod 26 and the first limiting rod 25 are inserted in the limiting groove and are connected with the limiting groove in a clamping manner, the inner side wall of the upper end of the, the gear shaft 27 connected with the rotation groove in a rotating mode is inserted in the rotating groove, racks are arranged on the opposite sides of the first limiting rod 25 and the second limiting rod 26, the gear shaft 27 is connected with the racks in a meshed mode, the gear shaft 27 rotates, and the gear shaft 27 is connected with the racks in a meshed mode to drive the first limiting rod 25 and the second limiting rod 26 to move towards the connecting plate 24 due to the fact that the gear shaft 27 rotates, and the first limiting rod 25 and the second limiting rod 26 are connected in a clamped mode in the limiting groove.
In the invention, when a user uses the device, firstly, the pressure sensor is placed in the clamping ring 19, the bottom of the pressure sensor is connected with the transmitter 28, the clamping ring 19 and the annular rod 22 clamp the pressure sensor through the elastic force of the spring 21, then the motor is started, the rotating shaft is driven to rotate through the motor, and further the first gear 8 is driven to rotate, because the first gear 8 is meshed with the second gear 9 for connection and transmission, the first gear 8 rotates to drive the second gear 9 to rotate, and further the rotating rod 5 rotates, because the rotating rod 5 is in threaded connection and transmission with the transmission block 6, the rotating rod 5 rotates to drive the transmission block 6 to move oppositely on the rotating rod 5, and further the working box 3 is driven to move oppositely, so that the sensor is clamped, when the motor is closed after being clamped, when the temperature characteristic of the pressure sensor is tested, the temperature is heated according to requirements, the relevant parameters are entered on the computer 18 and the computer 18 will then activate the control switch 16 via the first data line 17 to switch on the positive and negative plates 15, 14, causing the annular heating ring to operate, heat the surroundings of the sensor, apply pressure to the sensor, obtain data via the transmitter 28 and transmit the obtained data via the second data line 29 to the display 30, reading the data from the display 30.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The testing device for the temperature characteristic of the pressure sensor comprises a bottom plate (1) and is characterized in that a first supporting rod (2) fixedly connected with the bottom plate is symmetrically arranged on the upper side of the bottom plate (1), a working box (3) is arranged at one end, far away from the bottom plate (1), of the first supporting rod (2), the working box (3) is in sliding connection with the first supporting rod (2), the working box (3) is composed of a left box body and a right box body, a second supporting rod (4) is arranged on the bottom plate (1), an L-shaped rod (7) fixedly connected with the working box (3) is symmetrically arranged on one side of the working box (3), a transmission block (6) is arranged at one end of the L-shaped rod (7), a threaded hole is formed in the side wall of the transmission block (6) in the horizontal direction, a rotating rod (5) is inserted in the threaded hole, the rotating rod (5) is in threaded connection with the threaded hole, the electrode heating device is characterized in that a heating box (10) is arranged in the working box (3), the upper end side wall and the lower end side wall of the heating box (10) are respectively provided with a first opening, a plurality of annular heating rings are arranged in the heating box (10), two ends of the heating box (10) are symmetrically provided with an electrode block (11) fixedly connected with the electrode block, the electrode block (11) is connected with the heating rings, one end, away from the heating box (10), of the electrode block (11) is provided with a plug (12) fixedly connected with the electrode block, the upper side of the heating box (10) is provided with a clamping ring (19), a sliding groove is arranged in the clamping ring (19), an annular rod (22) slidably connected with the sliding groove is inserted in the sliding groove, the upper end side wall and the lower end side wall of the working box (3) are respectively provided with a second opening, the lower side of the working box (3) is symmetrically provided with a connecting block (23, two be equipped with connecting plate (24) between connecting block (23), the symmetry is equipped with the slide opening in the horizontal direction of connecting plate (24), and the first gag lever post (25) of inserting rather than sliding connection in one of them slide opening is inserted and is equipped with rather than sliding connection's second gag lever post (26) in another slide opening, second gag lever post (26) are inserted with first gag lever post (25) and are established in the spacing groove and rather than the joint and be connected.
2. The device for testing the temperature characteristic of the pressure sensor according to claim 1, wherein an electric motor is arranged at the upper end of the second support rod (4), an output shaft of the electric motor is connected with a rotating shaft through a coupler, a first gear (8) is arranged on the rotating shaft, the first gear (8) is positioned on one side of a second gear (9), and the first gear (8) is meshed with the second gear (9).
3. The device for testing the temperature characteristic of the pressure sensor according to claim 1, wherein a negative plate (14) and a positive plate (15) are symmetrically arranged on two sides of the working box (3) and fixedly connected with the working box, the plug (12) and the negative plate (14) and the positive plate (15) are connected through an electric wire (13), a plurality of control switches (16) are arranged on the positive plate (15), a first data line (17) is arranged on each control switch (16), and a computer (18) is arranged at the other end of each first data line (17).
4. The device for testing the temperature characteristic of the pressure sensor according to claim 1, wherein a fixed block (20) fixedly connected with the snap ring (19) is arranged in the snap ring (19), a spring (21) is arranged on one side of the fixed block (20), and the other end of the spring (21) is connected with one side of an annular rod (22).
5. The device for testing the temperature characteristic of the pressure sensor according to claim 1, wherein the inner side wall of the upper end of the connecting plate (24) is provided with a rotating groove, a gear shaft (27) rotatably connected with the rotating groove is inserted into the rotating groove, one sides of the first limiting rod (25) and the second limiting rod (26) which face each other are provided with a rack, and the gear shaft (27) is meshed with the rack.
6. The device for testing the temperature characteristic of the pressure sensor according to claim 1, wherein a transmitter (28) is arranged on the upper side of the connecting plate (24), a display (30) is arranged on the bottom plate (1), one end of the transmitter (28) is provided with a second data line (29), and the other end of the second data line (29) is connected with the display (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710885907.4A CN107664556B (en) | 2017-09-27 | 2017-09-27 | Testing device for temperature characteristic of pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710885907.4A CN107664556B (en) | 2017-09-27 | 2017-09-27 | Testing device for temperature characteristic of pressure sensor |
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| Publication Number | Publication Date |
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| CN107664556A CN107664556A (en) | 2018-02-06 |
| CN107664556B true CN107664556B (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710885907.4A Active CN107664556B (en) | 2017-09-27 | 2017-09-27 | Testing device for temperature characteristic of pressure sensor |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108871398A (en) * | 2018-08-07 | 2018-11-23 | 合肥云联电子科技有限公司 | A kind of dust guard for the Temperature Humidity Sensor that can accurately adjust |
| CN113865635A (en) * | 2021-09-18 | 2021-12-31 | 温州大学 | MEMS sensor calibrating device |
| 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 |
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| CN106950011A (en) * | 2017-03-13 | 2017-07-14 | 张家港市欧微自动化研发有限公司 | A kind of pressure sensor test device |
| CN206479410U (en) * | 2017-02-27 | 2017-09-08 | 北京润科通用技术有限公司 | A kind of pressure bringing device |
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2017
- 2017-09-27 CN CN201710885907.4A patent/CN107664556B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010001521A1 (en) * | 2010-02-03 | 2011-08-04 | ZF Friedrichshafen AG, 88046 | position Steller |
| CN103048087A (en) * | 2011-10-13 | 2013-04-17 | 江苏恩泰传感器有限公司 | Pressure sensor debugging system and debugging method thereof |
| CN102865969A (en) * | 2012-09-28 | 2013-01-09 | 江苏物联网研究发展中心 | Pressure sensor temperature characteristic testing device |
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Denomination of invention: A Testing Device for Temperature Characteristics of Pressure Sensors Effective date of registration: 20230809 Granted publication date: 20191231 Pledgee: Tongling Jinshi Financing Guarantee Co.,Ltd. Pledgor: TONGLING XIANGYU COMMERCE AND TRADE CO.,LTD. Registration number: Y2023980051381 |
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