CN106813807A - The test device and method of testing of temperature sensor uniformity - Google Patents
The test device and method of testing of temperature sensor uniformity Download PDFInfo
- Publication number
- CN106813807A CN106813807A CN201710007420.6A CN201710007420A CN106813807A CN 106813807 A CN106813807 A CN 106813807A CN 201710007420 A CN201710007420 A CN 201710007420A CN 106813807 A CN106813807 A CN 106813807A
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- temperature sensor
- motor
- temperature
- liquid
- test device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K15/00—Testing or calibrating of thermometers
- G01K15/005—Calibration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K15/00—Testing or calibrating of thermometers
- G01K15/007—Testing
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
A kind of temperature sensor testing device and method of testing, test device include host computer, motion controller, data collecting card, motor driver, motor, electric machine support, movement executing mechanism, liquid tank, liquid, temperature sensor to be measured and fixture.The present invention flows liquid in liquid tank by movement executing mechanism, makes fluid temperature in liquid tank uniform, so as to realize the temperature sensor uniformity test of high performance-price ratio.It is an advantage of the invention that cost performance is high, measuring accuracy is high.
Description
Technical field
The present invention relates to temperature sensor, the particularly a kind of test device and method of testing of temperature sensor uniformity.
Background technology
No matter temperature sensor is in scientific research or in field of industrial production, using all widely.Buying sensor
During experienced transport etc. many links, so before temperature sensor is begun to use, temperature sensor performance is
It is no or as excellent as before, it is just unknown.Most common way is to provide constant under different temperature condition with isothermal liquid groove
Thermal field, several temperature sensors are put into isothermal liquid groove, and compare the temperature value that this several temperature sensors are read
Difference, carrys out the uniformity of temperature sensor.Technical indicator isothermal liquid groove price high costly, and is not each
The necessary equipment of temperature sensor user.Deficiency of the present invention for isothermal liquid bath temperature degree sensor test scheme, it is proposed that
A kind of measuring accuracy is high, cost performance temperature sensor consistency test device high and method of testing.
The content of the invention
Meet temperature it is an object of the invention to provide the test device and method of testing of a kind of temperature sensor uniformity
The demand of pick up calibration work.Liquid in liquid tank is flowed by movement executing mechanism, makes liquid temperature in liquid tank
Degree is uniform, is capable of achieving the temperature sensor uniformity test of high performance-price ratio.It is an advantage of the invention that cost performance is high, measuring accuracy
It is high.
Technical solution of the invention is as follows：
A kind of test device of temperature sensor uniformity, its feature be its composition include host computer, motion controller,
Data collecting card, motor driver, motor, electric machine support, movement executing mechanism, the liquid tank for being covered with liquid, temperature sensor
And fixture；Described host computer is communicatively coupled with described data collecting card, the control port of the data collecting card and institute
The temperature sensor stated is connected, and the output end of described motion controller is connected with described motor driver control end, described
Motor driver be connected with described motor；Described motor is fixed on described electric machine support, and causes described electricity
Machine is in the top of described liquid tank, and the motor is connected by shaft coupling with one end of described movement executing mechanism, the fortune
The other end of dynamic executing agency is placed in liquid, and described temperature sensor to be measured is placed in institute after described fixture is fixed
In the liquid tank stated.
Described host computer is PC or embedded system.
Described motor is stepper motor, servomotor, linear electric motors, piezoelectric ceramic motor or ultrasonic motor.
Described movement executing mechanism is the mechanical transmission mechanism with propeller.
The temperature-sensitive part of temperature sensor of the level of the liquid in described liquid tank higher than described in is in liquid tank
Position.
Described liquid is water or alcohol.
Described temperature sensor is standard platinum resistance, the resistance of micron order platinum, industrial thermoelectric resistance, standard thermocouple, technical grade thermocouple
Or the temperature sensor of thermistor type.
Temperature sensor conformance test method is carried out using said temperature sensor consistency test device, including such as
Lower step：
1) temp probe of many temperature sensors to be measured is inserted in the liquid in described liquid tank 8；
2) motion controller described in drives described motor to drive described motion to hold by described motor driver
Row mechanism kinematic, makes described liquid move up and with uniform temperature；
3) data collecting card described in gathers the temperature of each temperature sensor, and is input into preservation in described host computer；
4) host computer described in is compared to temperature value, if the difference of temperature value that each temperature sensor is collected is in temperature
Spend in the accuracy rating of sensor, then the uniformity of this batch of temperature sensor meets the requirements, if what temperature sensor was collected
More than the accuracy rating of temperature sensor, then the uniformity of this batch of temperature sensor is undesirable for the difference of temperature value.
It is an advantage of the invention that cost performance is high, measuring accuracy is high：
The present invention flows liquid in liquid tank by movement executing mechanism, makes fluid temperature in liquid tank uniform,
So as to realize the temperature sensor uniformity test of high performance-price ratio.
Brief description of the drawings
Fig. 1 is the system block diagram of temperature sensor consistency test device embodiment of the present invention.
Specific embodiment
Fig. 1 is the system framework figure that temperature sensor consistency test device of the present invention is implemented.As seen from Figure 1, the present invention
Temperature sensor consistency test device, including host computer 1, motion controller 2, data collecting card 3, motor driver 4, motor
5th, electric machine support 6, movement executing mechanism 7, the liquid tank 8, temperature sensor to be measured 10 and the fixture 11 that are covered with liquid 9；Described
Host computer 1 is communicatively coupled with described data collecting card 3, and the control port of the data collecting card 3 is passed with described temperature
Sensor 10 is connected, and described motion controller 2 is connected with described motor driver 4, the output end of described motor driver 4
It is connected with described motor 5；Described motor 5 is fixed on described electric machine support 6, and causes that described motor 5 is in institute
The top of the liquid tank 8 stated, the motor 5 is connected by shaft coupling with one end of described movement executing mechanism 7, the Motor execution
The oar of page 3 of the other end of mechanism 7 is placed in liquid 9, and each temperature sensor 10 is positioned over institute after described fixture 11 is fixed
In the liquid tank 8 stated.
Described host computer 1 is PC.
Described motion controller 2 is controllor for step-by-step motor, the TC55 that this example is produced using the how general Kanggong department in Beijing
Motion controller.
Described data collecting card 3, this example uses 1560 multichannel collecting cards of Fiuke Co., Ltd of the U.S., and 2 lead to
Road standard temperature-sensitive resistive module, passage thermistor module its model 2564 of its model 2563,8.
Described motor driver 4 is stepper motor driver.
Described motor 5 is stepper motor.
Described electric machine support 6 is the mechanical mechanism that can support and fix motor.
Described movement executing mechanism 7 is the mechanical transmission mechanism with three-bladed propeller.
Described liquid tank 8 is common liq groove.
Described liquid 9 is water.
Described temperature sensor 10 is the thermistor of standard, and this example uses the standard temperature-sensitive of Fiuke Co., Ltd of the U.S.
Resistance 5641 and 5611T.
Described fixture 11 is the jacks inserted with 4 permission sensors, and is furnished with jackscrew energy beside each jack
The mechanical mechanism that sensor is fixed.
In the present embodiment, test is compared from 4 sections of temperature sensors, wherein the temperature sensor precision of two model
It it is 0.001 degree, the temperature sensor precision of two model is 0.01 degree in addition.
Using the method for described temperature sensor consistency test device test temperature sensor consistency, comprising following
Step：
1:Motion controller 2 is attached with motor driver 4；Motor 5 is fixed on electric machine support 6, and by electricity
Machine 5 is placed in the top of liquid tank 8；Motor driver 4 is attached with motor 5, and by shaft coupling by movement executing mechanism 7
One end is connected with motor 5, and one end with three-bladed propeller of movement executing mechanism 7 is put into liquid tank 8；Will be upper
Machine 1 is communicatively coupled with data collecting card 3；Data collecting card 3 is attached with temperature sensor 10；By to be measured 4
Be fixed for temperature sensor by 4 jacks 12 of fixture 11 and with jackscrew 13 by the temperature sensor 10 of model, then will
The temp probe of each temperature sensor 10 to be measured is submerged in the liquid 9 in liquid tank 8；
2：Pulse that described motion controller 2 sends and direction control signal to motor driver 4 so that motion
The three-bladed propeller motion of executing agency 7, makes described liquid move up and with uniform temperature；
3:The acquisition time of setting data capture card 3 is 12 hours, and temperature survey is carried out using each temperature sensor 10, and
Host computer 1 is saved in by the temperature value that described data collecting card 3 will collect each temperature sensor 10 by host computer 1
In；
4:Described host computer 1 pair collects temperature value and is compared, if the temperature value that each temperature sensor 10 is collected
Difference in the accuracy rating of temperature sensor, then the uniformity of this four temperature sensors meets the requirements, if temperature pass
More than the accuracy rating of temperature sensor, then this four uniformity of temperature sensor are not or not the difference of the temperature value that sensor is collected
Meet the requirements.
Experiment shows that the present invention flows liquid in liquid tank by movement executing mechanism, makes liquid in liquid tank
Temperature is uniform, is capable of achieving the temperature sensor uniformity test of high performance-price ratio, it is an advantage of the invention that cost performance is high, measuring accuracy
It is high.
Claims (8)
1. a kind of test device of temperature sensor uniformity, it is characterised in that its composition includes host computer (1), motion controller
(2), data collecting card (3), motor driver (4), motor (5), electric machine support (6), movement executing mechanism (7), be covered with liquid
(9) liquid tank (8), temperature sensor (10) and fixture (11)；Described host computer (1) and described data collecting card (3)
It is communicatively coupled, the control port of the data collecting card (3) is connected with described temperature sensor (10), described motion control
The output end of device (2) processed is connected with described motor driver (4) control end, described motor driver (4) and described electricity
Machine (5) is connected；Described motor (5) is fixed on described electric machine support (6), and causes described motor (5) in described
Liquid tank (8) top, the motor (5) is connected by shaft coupling with one end of described movement executing mechanism (7), the motion
The other end of executing agency (7) is placed in liquid (9), and described temperature sensor (10) to be measured is by described fixture (11)
It is placed in after fixation in described liquid tank (8).
2. the test device of temperature sensor uniformity according to claim 1, it is characterised in that described host computer (1)
It is PC or embedded system.
3. the test device of temperature sensor uniformity according to claim 1, it is characterised in that described motor (5) is
Stepper motor, servomotor, linear electric motors, piezoelectric ceramic motor or ultrasonic motor.
4. the test device of temperature sensor uniformity according to claim 1, it is characterised in that described Motor execution
Mechanism (7) is the mechanical transmission mechanism with propeller.
5. the test device of temperature sensor uniformity according to claim 1, it is characterised in that in described liquid tank
Liquid (9) temperature-sensitive part position in liquid tank of the level higher than described temperature sensor (10).
6. the test device of temperature sensor uniformity according to claim 1, it is characterised in that described liquid (9) is
Water or alcohol.
7. the test device of the temperature sensor uniformity according to any one of claim 1 to 6, it is characterised in that described
Temperature sensor (10) is standard platinum resistance, the resistance of micron order platinum, industrial thermoelectric resistance, standard thermocouple, technical grade thermocouple or thermistor
The temperature sensor of type.
8. using any described temperature sensor uniformity of claim 1-7 test device to carry out temperature sensor consistent
The method of testing of property, it is characterised in that comprise the following steps：
1) temp probe of many temperature sensors (10) to be measured is inserted in the liquid (9) in described liquid tank 8；
2) motion controller (2) described in drives described motor (5) to drive described fortune by described motor driver (4)
Dynamic executing agency (7) motion, moves up described liquid (9), with uniform temperature；
3) temperature of the temperature sensor (10) described in data collecting card (3) collection described in, and it is input into described host computer (1)
Middle preservation；
4) host computer (1) described in is compared to temperature value, if the difference of the temperature value that each temperature sensor (10) is collected
In the accuracy rating of temperature sensor, then the uniformity of this batch of temperature sensor meets the requirements, if temperature sensor is gathered
More than the accuracy rating of temperature sensor, then the uniformity of this batch of temperature sensor is undesirable for the difference of the temperature value for arriving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710007420.6A CN106813807A (en) | 2017-01-05 | 2017-01-05 | The test device and method of testing of temperature sensor uniformity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710007420.6A CN106813807A (en) | 2017-01-05 | 2017-01-05 | The test device and method of testing of temperature sensor uniformity |
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| CN201710007420.6A Pending CN106813807A (en) | 2017-01-05 | 2017-01-05 | The test device and method of testing of temperature sensor uniformity |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107271071A (en) * | 2017-07-26 | 2017-10-20 | 合肥巨动力***有限公司 | New-energy automobile permanent-magnetic synchronous motor stator temperature sensor consistency detecting method |
| CN107544478A (en) * | 2017-10-26 | 2018-01-05 | 北京广利核***工程有限公司 | Analog quantity automatic testing equipment and method in nuclear power DCS identifications |
| CN109238515A (en) * | 2018-10-11 | 2019-01-18 | 安徽天康(集团)股份有限公司 | The geo-thermal response test thermostat of temperature sensor, geo-thermal response test system |
| CN110333090A (en) * | 2019-07-09 | 2019-10-15 | 贵州永红航空机械有限责任公司 | A kind of test method for firing oil cooler performance |
| CN110398304A (en) * | 2018-04-25 | 2019-11-01 | 比亚迪股份有限公司 | A kind of temperature sensor batch testing system |
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| CN203100936U (en) * | 2013-03-05 | 2013-07-31 | 辽沈工业集团有限公司 | Surface thermometer calibrating device |
| CN203323920U (en) * | 2013-05-03 | 2013-12-04 | 国家电网公司 | Intelligent verification system for pressure-type thermometer |
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| CN102359834A (en) * | 2011-09-06 | 2012-02-22 | 际华三五零二职业装有限公司 | Multi-point automatically controlled constant temperature detecting device |
| CN202229857U (en) * | 2011-09-06 | 2012-05-23 | 际华三五零二职业装有限公司 | Multi-point self-control constant-temperature temperature detection device |
| CN203100936U (en) * | 2013-03-05 | 2013-07-31 | 辽沈工业集团有限公司 | Surface thermometer calibrating device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107271071A (en) * | 2017-07-26 | 2017-10-20 | 合肥巨动力***有限公司 | New-energy automobile permanent-magnetic synchronous motor stator temperature sensor consistency detecting method |
| CN107271071B (en) * | 2017-07-26 | 2019-04-16 | 合肥巨一动力***有限公司 | New-energy automobile permanent-magnetic synchronous motor stator temperature sensor consistency detecting method |
| CN107544478A (en) * | 2017-10-26 | 2018-01-05 | 北京广利核***工程有限公司 | Analog quantity automatic testing equipment and method in nuclear power DCS identifications |
| CN107544478B (en) * | 2017-10-26 | 2020-06-05 | 北京广利核***工程有限公司 | Automatic analog quantity testing device and method in nuclear power DCS identification |
| CN110398304A (en) * | 2018-04-25 | 2019-11-01 | 比亚迪股份有限公司 | A kind of temperature sensor batch testing system |
| CN110398304B (en) * | 2018-04-25 | 2021-07-30 | 比亚迪半导体股份有限公司 | Temperature sensor batch test system |
| CN109238515A (en) * | 2018-10-11 | 2019-01-18 | 安徽天康(集团)股份有限公司 | The geo-thermal response test thermostat of temperature sensor, geo-thermal response test system |
| CN110333090A (en) * | 2019-07-09 | 2019-10-15 | 贵州永红航空机械有限责任公司 | A kind of test method for firing oil cooler performance |
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Application publication date: 20170609 |