CN107664556A - A kind of test device of pressure sensor temperature characteristic - Google Patents
A kind of test device of pressure sensor temperature characteristic Download PDFInfo
- Publication number
- CN107664556A CN107664556A CN201710885907.4A CN201710885907A CN107664556A CN 107664556 A CN107664556 A CN 107664556A CN 201710885907 A CN201710885907 A CN 201710885907A CN 107664556 A CN107664556 A CN 107664556A
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- Prior art keywords
- connection
- pressure sensor
- gear
- secured
- test device
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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 kind of test device of pressure sensor temperature characteristic, including bottom plate, the first support bar for being secured to connection is arranged with the upside of the bottom plate, the one end of the first support bar away from bottom plate is provided with work box, the work box is slidably connected with first support bar, and the work box is made up of the casing of left and right two, and the bottom plate is provided with second support bar, the side of the work box is arranged with the L-shaped bar for being secured to connection, and one end of the L-shaped bar is provided with drive block.The advantage of the invention is that test device is arranged to a casing, the surrounding environment of pressure sensor is heated by adding heater in casing, the work of heater is controlled by computer simultaneously, so that whole test device connection is more close, the data of pressure sensor are transmitted by transmitting device, and read by display so that the result of test is more accurate, used time is shorter, while basic realize automates.
Description
Technical field
The present invention relates to micro electro mechanical device test device technical field, more particularly to a kind of pressure sensor temperature characteristic
Test device.
Background technology
The test of pressure sensor, generally include repeatability, the linearity, sensitivity, lagging characteristics, zero bias, zero bias stabilization
The project such as property, zero point output, sensitivity temperature coefficient, full scale temperature coefficient.This is just needed when carrying out pressure sensor test,
It is not only that pressure sensor provides pressure excitation, and needs to provide a controllable high and low temperature environment simultaneously.However, tested person
The condition limitation of equipment, the at present research and development of pressure sensor and application unit are during testing sensor component, a lot
In the case of can not simultaneously to device provide pressure environment with change temperature environment, can not then carry out the test of population parameter, its
The degree of automation and efficiency of test is also than relatively low.Existing solution is at present：Device under test is arranged on frock clamp,
Pressure environment is provided to device under test by frock clamp, while the frock clamp for encapsulating device under test is placed on high/low temperature
In chamber, high and low temperature environment is provided by high-low temperature test chamber.Due to the test system of this solution, volume is big, compares
It is scattered, it is not integrated enough, it is not easy to form fully automatic system；In addition the program needs longer time reach test environment temperature
To balance, testing efficiency is influenceed.
The content of the invention
The invention aims to solve shortcoming present in prior art, such as：Due to the test of this solution
System, volume is big, more scattered, not integrated enough, is not easy to form fully automatic system；In addition the program needs longer time
Test environment temperature is reached balance, influence testing efficiency, and a kind of test device of the pressure sensor temperature characteristic proposed.
To achieve these goals, present invention employs following technical scheme：
A kind of test device of pressure sensor temperature characteristic, including bottom plate, it is arranged with the upside of the bottom plate and is secured to
The first support bar of connection, the one end of the first support bar away from bottom plate are provided with work box, the work box and the first support
Bar is slidably connected, and the work box is made up of the casing of left and right two, and the bottom plate is provided with second support bar, the work box
Side is arranged with the L-shaped bar for being secured to connection, and one end of the L-shaped bar is provided with drive block, the drive block horizontal direction
Side wall be provided with screwed hole, rotating bar is inserted with the screwed hole, the rotating bar is threadedly coupled with screwed hole, described turn
Lever is provided with second gear, is provided with heater box in the work box, the upper end side wall and bottom side of the wall of the heater box are all provided with
There is the first opening, be provided with multiple annular-heating circles in the heater box, the both ends of the heater box are arranged with the company of being secured to
The electrode block connect, the electrode block are connected with heating collar, and the one end of the electrode block away from heater box is provided with and is secured to connect
Plug, the upside of the heater box is provided with snap ring, is provided with chute in the snap ring, is inserted with and its company of slip in the chute
The circular rod connect, the upper end side wall and bottom side of the wall of the work box are equipped with the second opening, and the downside of the work box is symmetrical
Provided with the contiguous block for being secured to connection, the opposite side of the contiguous block is provided with stopper slot, set between two contiguous blocks
Have connecting plate, slide opening be arranged with the horizontal direction of the connecting plate, wherein in be inserted with and its company of slip in a slide opening
The first gag lever post connect, the second gag lever post being slidably connected with it, first gag lever post and are inserted with another slide opening
One gag lever post is plugged in stopper slot and is connected with its clamping.
Preferably, the upper end of the second support bar is provided with motor, and the output shaft of the motor is connected by shaft coupling
Rotary shaft is connected to, the rotary shaft is provided with first gear, and the first gear is located at the side of second gear, first tooth
Wheel engages connection with second gear.
Preferably, the both sides of the work box are arranged with the negative plate and positive plate for being secured to connection, the plug
It is connected with negative plate and positive plate by electric wire, the positive plate is provided with multiple controlling switches, is set in the controlling switch
There is the first data wire, the other end of first data wire is provided with computer.
Preferably, the fixed block for being secured to connection is provided with the snap ring, the side of the fixed block is provided with spring, institute
The side of the other end and circular rod of stating spring connects.
Preferably, connecting plate upper end madial wall is provided with rotation slot, is inserted with the rotation slot and is rotatablely connected with it
Gear shaft, the opposite side of first gag lever post and the second gag lever post is equipped with rack, and the gear shaft engages with rack
Connection.
Preferably, the upside of the connecting plate is provided with transmitter, and the bottom plate is provided with display, and the one of the transmitter
End is provided with the second data wire, and the other end of second data wire is connected with display.
Compared with prior art, the beneficial effects of the invention are as follows：Test device is arranged to a casing, by casing
Inside add heater to heat the surrounding environment of pressure sensor, while the work of heater controlled by computer,
So that whole test device connection is more close, the data of pressure sensor are transmitted by transmitting device, and passes through
Display is read so that the result of test is more accurate, and the used time is shorter, while basic realize automates.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the test device of pressure sensor temperature characteristic proposed by the present invention；
Fig. 2 is the structural representation at the top of a kind of test device of pressure sensor temperature characteristic proposed by the present invention；
Fig. 3 is the structural representation on rear side of a kind of test device of pressure sensor temperature characteristic proposed by the present invention；
Fig. 4 is the structural representation at A in Fig. 1.
In figure：1 bottom plate, 2 first support bars, 3 work boxs, 4 second support bars, 5 rotating bars, 6 drive blocks, 7 L-shaped bars, 8
First gear, 9 second gears, 10 heater boxes, 11 electrode blocks, 12 plugs, 13 electric wires, 14 negative plates, 15 positive plates, 16 controls are opened
Pass, 17 first data wires, 18 computers, 19 snap rings, 20 fixed blocks, 21 springs, 22 circular rods, 23 contiguous blocks, 24 connecting plates, 25
One gag lever post, 26 second gag lever posts, 27 gear shafts, 28 transmitters, 29 second data wires, 30 displays.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.
In the description of the invention, it is to be understood that term " on ", " under ", "front", "rear", "left", "right",
The orientation or position relationship of the instruction such as " top ", " bottom ", " interior ", " outer " are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description is of the invention with simplified, rather than the device or element of instruction or hint meaning must be with specifically sides
Position, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Reference picture 1-4, a kind of test device of pressure sensor temperature characteristic, including bottom plate 1, the upside of bottom plate 1 are symmetrical
Provided with the first support bar 2 for being secured to connection, the one end of first support bar 2 away from bottom plate 1 is provided with work box 3, work box 3 and
First support bar 2 is slidably connected, and work box 3 is made up of the casing of left and right two, and bottom plate 1 is provided with second support bar 4, the second support
The upper end of bar 4 is provided with motor, and the output shaft of motor is connected with rotary shaft by shaft coupling, and rotary shaft is provided with first gear
8, first gear 8 is located at the side of second gear 9, and first gear 8 engages connection with second gear 9, and the side of work box 3 is symmetrical
Provided with the L-shaped bar 7 for being secured to connection, one end of L-shaped bar 7 is provided with drive block 6, and the side wall of the horizontal direction of drive block 6 is provided with
Screwed hole, rotating bar 5 is inserted with screwed hole, drives rotary shaft to rotate by motor, and then drive first gear 8 to rotate,
Because first gear 8 engages connection transmission with second gear 9 so that first gear 8, which rotates, will drive second gear 9 to rotate, and enter
And driving rotating bar 5 to rotate, rotating bar 5 is threadedly coupled with screwed hole, and rotating bar 5 is provided with second gear 9, is set in work box 3
There is heater box 10, the upper end side wall and bottom side of the wall of heater box 10 are equipped with the first opening, multiple annulars are provided with heater box 10
Heating collar, the both ends of heater box 10 are arranged with the electrode block 11 for being secured to connection, and electrode block 11 is connected with heating collar, electrode
The one end of block 11 away from heater box 10 is provided with the plug 12 for being secured to connection, and the both sides of work box 3, which are arranged with, to be secured to
The negative plate 14 and positive plate 15 of connection, plug 12 are connected with negative plate 14 and positive plate 15 by electric wire 13, positive plate 15
Multiple controlling switches 16 are provided with, controlling switch 16 is provided with the first data wire 17, and the other end of the first data wire 17 is provided with electricity
Brain 18, the temperature being heated to as needed, relevant parameter is inputted on computer 18, then computer 18 will pass through the first data wire
17, start controlling switch 16, so as to which positive plate 15 be connected with negative plate 14 so that annular-heating circle works, heater box 10
Upside is provided with snap ring 19, is provided with chute in snap ring 19, the circular rod 22 being slidably connected with it is inserted with chute, is set in snap ring 19
There is the fixed block 20 for being secured to connection, the side of fixed block 20 is provided with spring 21, the other end and the circular rod 22 of spring 21
Side connects, and is acted on by the elastic force of spring 21 so that pressure sensor is clamped by snap ring 19 and circular rod 22, work box
3 upper end side wall and bottom side of the wall is equipped with the second opening, and the downside of work box 3 is arranged with the contiguous block for being secured to connection
23, the opposite side of contiguous block 23 is provided with stopper slot, is provided with connecting plate 24 between two contiguous blocks 23, the upside of connecting plate 24 is set
There is transmitter 28, bottom plate 1 is provided with display 30, and one end of transmitter 28 is provided with the second data wire 29, the second data wire 29
The other end is connected with display 30, and data, and the data transfer that will be obtained by the second data wire 29 are obtained by transmitter 28
Into displays 30, data are read from display 30, slide opening is arranged with the horizontal direction of connecting plate 24, wherein in one
The first gag lever post 25 being slidably connected with it is inserted with slide opening, the second limit being slidably connected with it is inserted with another slide opening
Position bar 26, the first gag lever post 26 is plugged in stopper slot with the first gag lever post 25 and is connected with its clamping, in the upper end of connecting plate 24
Side wall is provided with rotation slot, and the gear shaft 27 being rotatablely connected with it, the first gag lever post 25 and the second gag lever post are inserted with rotation slot
26 opposite sides are equipped with rack, and gear shaft 27 engages connection, turning gear wheel shaft 27, due to gear shaft 27 and rack with rack
Engagement connection transmission, being rotated with gear shaft 27 will cause the first gag lever post 25 and the second gag lever post 26 towards the direction of connecting plate 24
Motion so that the first gag lever post 25 and the second gag lever post 26 are connected in stopper slot.
In the present invention, when user uses the device, pressure sensor is placed in snap ring 19 first, and make its bottom
It is connected with transmitter 28, is acted on by the elastic force of spring 21 so that pressure sensor is clamped by snap ring 19 and circular rod 22,
Then start motor, by motor drive rotary shaft rotate, and then drive first gear 8 rotate, due to first gear 8 with
The engagement connection transmission of second gear 9, will drive second gear 9 to rotate, and then drive 5 turns of rotating bar so first gear 8 rotates
It is dynamic, because rotating bar 5 with drive block 6 be threadedly coupled transmission, so the rotation of rotating bar 5 is by the drive phase in rotating bar 5 of drive block 6
To motion, and then the move toward one another of work box 3 is driven, so as to be clamped to sensor, motor is closed after clamping, works as test
During pressure sensor temperature characteristic, the temperature that is heated to as needed inputs relevant parameter on computer 18, and then computer 18 will
By the first data wire 17, start controlling switch 16, so as to which positive plate 15 be connected with negative plate 14 so that annular-heating circle work
Make, apply pressure to being heated around sensor, then to sensor, data are obtained by transmitter 28, and pass through the second number
According to line 29 by resulting data transfer into display 30, read data from display 30.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (6)
1. a kind of test device of pressure sensor temperature characteristic, including bottom plate（1）, it is characterised in that the bottom plate（1）It is upper
Side is arranged with the first support bar for being secured to connection（2）, the first support bar（2）Away from bottom plate（1）One end be provided with
Work box（3）, the work box（3）With first support bar（2）It is slidably connected, the work box（3）By the casing group of left and right two
Into the bottom plate（1）It is provided with second support bar（4）, the work box（3）Side be arranged be secured to connection L
Shape bar（7）, the L-shaped bar（7）One end be provided with drive block（6）, the drive block（6）The side wall of horizontal direction is provided with screw thread
Hole, rotating bar is inserted with the screwed hole（5）, the rotating bar（5）It is threadedly coupled with screwed hole, the rotating bar（5）On
Provided with second gear（9）, the work box（3）It is interior to be provided with heater box（10）, the heater box（10）Upper end side wall and lower end
Side wall is equipped with the first opening, the heater box（10）It is interior to be provided with multiple annular-heating circles, the heater box（10）Both ends pair
Claim to be provided with the electrode block for being secured to connection（11）, the electrode block（11）It is connected with heating collar, the electrode block（11）It is remote
Heater box（10）One end be provided be secured to connection plug（12）, the heater box（10）Upside be provided with snap ring（19）,
The snap ring（19）It is interior to be provided with chute, it is inserted with the circular rod being slidably connected with it in the chute（22）, the work box（3）
Upper end side wall and bottom side of the wall be equipped with the second opening, the work box（3）Downside be arranged be secured to connection
Contiguous block（23）, the contiguous block（23）Opposite side is provided with stopper slot, two contiguous blocks（23）Between be provided with connection
Plate（24）, the connecting plate（24）Horizontal direction on be arranged with slide opening, wherein in be inserted with a slide opening and slided with it
First gag lever post of connection（25）, the second gag lever post being slidably connected with it is inserted with another slide opening（26）, described first
Gag lever post（26）With the first gag lever post（25）It is plugged in stopper slot and is connected with its clamping.
2. the test device of a kind of pressure sensor temperature characteristic according to claim 1, it is characterised in that described second
Support bar（4）Upper end be provided with motor, the output shaft of the motor is connected with rotary shaft, the rotary shaft by shaft coupling
It is provided with first gear（8）, the first gear（8）Positioned at second gear（9）Side, the first gear（8）With second
Gear（9）Engagement connection.
A kind of 3. test device of pressure sensor temperature characteristic according to claim 1, it is characterised in that the work
Case（3）Both sides be arranged be secured to connection negative plate（14）And positive plate（15）, the plug（12）With negative plate
（14）And positive plate（15）Pass through electric wire（13）Connection, the positive plate（15）It is provided with multiple controlling switches（16）, it is described
Controlling switch（16）It is provided with the first data wire（17）, first data wire（17）The other end be provided with computer（18）.
A kind of 4. test device of pressure sensor temperature characteristic according to claim 1, it is characterised in that the snap ring
（19）It is interior to be provided with the fixed block for being secured to connection（20）, the fixed block（20）Side be provided with spring（21）, the spring
（21）The other end and circular rod（22）Side connection.
A kind of 5. test device of pressure sensor temperature characteristic according to claim 1, it is characterised in that the connection
Plate（24）Upper end madial wall is provided with rotation slot, and the gear shaft being rotatablely connected with it is inserted with the rotation slot（27）, described
One gag lever post（25）With the second gag lever post（26）Opposite side is equipped with rack, the gear shaft（27）Company is engaged with rack
Connect.
A kind of 6. test device of pressure sensor temperature characteristic according to claim 1, it is characterised in that the connection
Plate（24）Upside be provided with transmitter（28）, the bottom plate（1）It is provided with display（30）, the transmitter（28）One end set
There is the second data wire（29）, second data wire（29）The other end and display（30）Connection.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107664556A true CN107664556A (en) | 2018-02-06 |
| CN107664556B CN107664556B (en) | 2019-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710885907.4A Active CN107664556B (en) | 2017-09-27 | 2017-09-27 | Testing device for temperature characteristic of pressure sensor |
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| Country | Link |
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| CN (1) | CN107664556B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN116952457A (en) * | 2023-09-19 | 2023-10-27 | 广东汉瑞通信科技有限公司 | Detection equipment for wide-range pressure sensor |
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| 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 |
| CN116952457A (en) * | 2023-09-19 | 2023-10-27 | 广东汉瑞通信科技有限公司 | Detection equipment for wide-range pressure sensor |
| 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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| CN107664556B (en) | 2019-12-31 |
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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 |