CN108593144A - A kind of temperature sensor quality detecting system - Google Patents
A kind of temperature sensor quality detecting system Download PDFInfo
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- CN108593144A CN108593144A CN201810204611.6A CN201810204611A CN108593144A CN 108593144 A CN108593144 A CN 108593144A CN 201810204611 A CN201810204611 A CN 201810204611A CN 108593144 A CN108593144 A CN 108593144A
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- temperature
- temperature sensor
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- detection box
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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
Abstract
The invention discloses a kind of temperature sensor quality detecting systems, including：It detects box and is equipped with air inlet, air inlet is equipped with solenoid valve；Baroceptor, for obtaining real-time air pressure in detection box；Temperature sensor to be tested, for real time temperature in acquisition testing box；Thermocouple sensor, for real time temperature in acquisition testing box；Control module instruction control solenoid valve is opened is passed through hot wind into detection box, real-time air pressure in detection box is obtained by baroceptor, when air pressure in real time reaches preset pressure in detection box, control module instruction control solenoid valve is closed, stop being passed through hot wind into detection box, after preset time, pass through real time temperature in temperature sensor acquisition testing box to be tested, pass through real time temperature in thermocouple sensor acquisition testing box, temperature in detection box that temperature in detection box that temperature sensor to be tested acquires is acquired with thermocouple sensor is compared, judge whether temperature sensor to be tested is qualified according to comparison result.
Description
Technical field
The present invention relates to sensor detecting field more particularly to a kind of temperature sensor quality detecting systems.
Background technology
Use ratio of the temperature sensor in society greatly exceeds other types of sensor, wherein most temperature pass
The sensing element of sensor is semiconductor thermistor, because within the scope of working region, semiconductor thermistor has other
The sensitivity that element does not have.
Thermistor resistance value can reduce with the increase of external temperature in temperature sensor.To such temperature sensor
Conventional inspection method is mainly water inspection or oily inspection method, i.e., temperature sensor is placed under the fluid conditions of different temperatures, together
When with multimeter detect resistance value under different temperatures environment between temperature sensor two-terminal, then by standard value and detect
Resistance value compare, and then reach inspection purpose.Since sink or sump capacity are big, thermal capacity is high, warming and cooling rate compared with
Slowly, it generally requires to wait for the long period when therefore examining using the method, and the equal control of water temperature is relatively difficult, measures essence
Degree cannot be guaranteed, cannot meet the requirements in actual production.
Invention content
Technical problems based on background technology, the present invention propose a kind of temperature sensor quality detecting system；
A kind of temperature sensor quality detecting system proposed by the present invention, including：Detect box, baroceptor, to be tested
Temperature sensor, thermocouple sensor and control module；
It detects box and is equipped with air inlet, air inlet is equipped with solenoid valve；
Baroceptor, for obtaining real-time air pressure in detection box；
Temperature sensor to be tested, for real time temperature in acquisition testing box；
Thermocouple sensor, for real time temperature in acquisition testing box；
Control module is connect with baroceptor, temperature sensor to be tested, thermocouple sensor and solenoid valve respectively；
Control module instruction control solenoid valve, which is opened, is passed through hot wind into detection box, and is obtained and detected by baroceptor
Real-time air pressure in box, when air pressure in real time reaches preset pressure in detection box, control module instruction control solenoid valve is closed, stopping
It is passed through hot wind into detection box, and after preset time, by real time temperature in temperature sensor acquisition testing box to be tested, led to
Cross real time temperature in thermocouple sensor acquisition testing box, and real time temperature in the detection box that temperature sensor to be tested is acquired
It is compared with real time temperature in the detection box of thermocouple sensor acquisition, temperature sensor to be tested is judged according to comparison result
It is whether qualified.
Preferably, the temperature sensor to be tested is set to detection cassette bottom face, and temperature sensor to be tested can be set simultaneously
It sets multiple.
Preferably, the thermocouple sensor is set in the middle part of detection box top.
Preferably, the control module, is specifically used for：
When in the detection box that real time temperature is acquired with thermocouple sensor in the detection box of temperature sensor to be tested acquisition
When difference between real time temperature is less than predetermined threshold value, judge that the temperature sensor to be tested is qualified；Otherwise, it is waited for described in judgement
Examine temperature sensor unqualified.
Preferably, further include reminding module, connect with control module, reminding module be used for when control module judge it is to be tested
When temperature sensor is unqualified, alert notification is sent out.
Preferably, it is equipped with muff outside the detection box.
In the present invention, control module instruction control solenoid valve is opened is passed through hot wind into detection box, and passes through air pressure sensing
Device obtains real-time air pressure in detection box, when air pressure in real time reaches preset pressure in detection box, control module instruction control electromagnetism
Valve is closed, and stops being passed through hot wind into detection box, and after preset time, by temperature sensor acquisition testing box to be tested
Real time temperature, by real time temperature in thermocouple sensor acquisition testing box, and the detection that temperature sensor to be tested is acquired
Real time temperature is compared in the detection box that real time temperature is acquired with thermocouple sensor in box, is judged according to comparison result to be checked
It whether qualified tests temperature sensor, in this way, being passed through suitable hot wind into detection box, after detecting hot wind stabilization in box, passes through
Real time temperature in temperature sensor and thermocouple sensor to be tested while acquisition testing box, and the two is compared, when
When error amount is less than predetermined threshold value between the two, judge that temperature sensor to be tested is qualified, this method can be simultaneously to multiple to be checked
It tests temperature sensor to test, reduces production cost, improve testing accuracy and checkability.
Description of the drawings
Fig. 1 is a kind of module diagram of temperature sensor quality detecting system proposed by the present invention.
Specific implementation mode
Referring to Fig.1, a kind of temperature sensor quality detecting system proposed by the present invention, including：Detect box, air pressure sensing
Device, temperature sensor to be tested, thermocouple sensor and control module；
It detects box and is equipped with air inlet, air inlet is equipped with solenoid valve, muff is equipped with outside the detection box.
Baroceptor, for obtaining real-time air pressure in detection box；
Temperature sensor to be tested, for real time temperature in acquisition testing box, the temperature sensor to be tested is set to
Cassette bottom face is detected, temperature sensor to be tested can be arranged multiple simultaneously.
Thermocouple sensor, for real time temperature in acquisition testing box, the thermocouple sensor is set to detection box top
Middle face.
Control module is connect with baroceptor, temperature sensor to be tested, thermocouple sensor and solenoid valve respectively；
Control module instruction control solenoid valve, which is opened, is passed through hot wind into detection box, and is obtained and detected by baroceptor
Real-time air pressure in box, when air pressure in real time reaches preset pressure in detection box, control module instruction control solenoid valve is closed, stopping
It is passed through hot wind into detection box, and after preset time, by real time temperature in temperature sensor acquisition testing box to be tested, led to
Cross real time temperature in thermocouple sensor acquisition testing box, and real time temperature in the detection box that temperature sensor to be tested is acquired
It is compared with real time temperature in the detection box of thermocouple sensor acquisition, when in the detection box of temperature sensor to be tested acquisition
When difference in real time temperature and the detection box of thermocouple sensor acquisition between real time temperature is less than predetermined threshold value, described in judgement
Temperature sensor to be tested is qualified；Otherwise, judge that the temperature sensor to be tested is unqualified.
Reminding module is connect with control module, and reminding module is used to judge temperature sensor to be tested not when control module
When qualified, alert notification is sent out.
In concrete scheme, when solenoid valve is opened, the air inlet by detecting box is passed through hot wind into detection box, detects
The muff being arranged outside box can prevent heat from being distributed out of detection box, ensure that the stabilization of temperature in detection box, pass through detection
Pressure sensor in box obtains real-time air pressure in detection box, and when detecting that air pressure in real time reaches preset pressure in box, closes
Solenoid valve stops being passed through hot wind into detection box, to obtain the hot wind of predetermined amount, after preset time, that is, detect in box
After hot blast temperature is stablized, by the real time temperature in temperature sensor to be tested and thermocouple sensor simultaneously acquisition testing box,
Real time temperature and real time temperature in the detection box of thermocouple sensor acquisition in the detection box that temperature sensor to be tested is acquired
It is compared, when in the detection box that real time temperature is acquired with thermocouple sensor in the detection box of temperature sensor to be tested acquisition
When error amount (taking positive value) between real time temperature is less than predetermined threshold value, illustrate that temperature sensor temperature detection effect to be tested is good
It is good, it is qualified products；When the inspection of real time temperature and thermocouple sensor acquisition in the detection box of temperature sensor to be tested acquisition
When surveying the error amount (taking positive value) in box between real time temperature more than or equal to predetermined threshold value, illustrate temperature sensor temperature to be tested
It is larger to spend error, is substandard product.
In present embodiment, control module instruction control solenoid valve is opened is passed through hot wind into detection box, and passes through air pressure
Sensor obtains real-time air pressure in detection box, when air pressure in real time reaches preset pressure in detection box, control module instruction control
Solenoid valve is closed, and stops being passed through hot wind into detection box, and after preset time, pass through temperature sensor acquisition testing to be tested
Real time temperature in box, by real time temperature in thermocouple sensor acquisition testing box, and temperature sensor to be tested is acquired
Real time temperature is compared in the detection box that real time temperature is acquired with thermocouple sensor in detection box, is judged according to comparison result
Whether temperature sensor to be tested is qualified, in this way, it is passed through suitable hot wind into detection box, after detecting hot wind stabilization in box,
By the real time temperature in temperature sensor to be tested and thermocouple sensor simultaneously acquisition testing box, and the two is compared
Compared with when error amount between the two is less than predetermined threshold value, judging that temperature sensor to be tested is qualified, this method can be simultaneously to multiple
Temperature sensor to be tested is tested, and production cost is reduced, and improves testing accuracy and checkability.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of temperature sensor quality detecting system, which is characterized in that including：Detect box, baroceptor, temperature to be tested
Sensor, thermocouple sensor and control module；
It detects box and is equipped with air inlet, air inlet is equipped with solenoid valve；
Baroceptor, for obtaining real-time air pressure in detection box；
Temperature sensor to be tested, for real time temperature in acquisition testing box；
Thermocouple sensor, for real time temperature in acquisition testing box；
Control module is connect with baroceptor, temperature sensor to be tested, thermocouple sensor and solenoid valve respectively；
Control module instruction control solenoid valve, which is opened, is passed through hot wind into detection box, and is obtained in detection box by baroceptor
Real-time air pressure, when air pressure in real time reaches preset pressure in detection box, control module instruction control solenoid valve is closed, and is stopped to inspection
It surveys in box and is passed through hot wind, and after preset time, by real time temperature in temperature sensor acquisition testing box to be tested, pass through heat
Real time temperature in thermocouple sensor acquisition testing box, and real time temperature and heat in the detection box that temperature sensor to be tested is acquired
Real time temperature is compared in the detection box of thermocouple sensor acquisition, whether judges temperature sensor to be tested according to comparison result
It is qualified.
2. temperature sensor quality detecting system according to claim 1, which is characterized in that the temperature sensing to be tested
Device is set to detection cassette bottom face, and temperature sensor to be tested can be arranged multiple simultaneously.
3. temperature sensor quality detecting system according to claim 1, which is characterized in that the thermocouple sensor is set
It is placed in the middle part of detection box top.
4. temperature sensor quality detecting system according to claim 1, which is characterized in that the control module, specifically
For：
When real-time in the detection box that real time temperature is acquired with thermocouple sensor in the detection box of temperature sensor to be tested acquisition
When difference between temperature is less than predetermined threshold value, judge that the temperature sensor to be tested is qualified；Otherwise, judge described to be tested
Temperature sensor is unqualified.
5. temperature sensor quality detecting system according to claim 1, which is characterized in that further include reminding module, with
Control module connects, and reminding module is used for when control module judges that temperature sensor to be tested is unqualified, sends out alert notification.
6. temperature sensor quality detecting system according to claim 1, which is characterized in that be equipped with outside the detection box
Muff.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810204611.6A CN108593144A (en) | 2018-03-13 | 2018-03-13 | A kind of temperature sensor quality detecting system |
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| CN201810204611.6A CN108593144A (en) | 2018-03-13 | 2018-03-13 | A kind of temperature sensor quality detecting system |
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| CN108593144A true CN108593144A (en) | 2018-09-28 |
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Cited By (3)
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| CN111207856A (en) * | 2019-12-27 | 2020-05-29 | 广东德诚科教有限公司 | Method, device and equipment for acquiring accuracy of measured temperature and readable storage medium |
| CN114486110A (en) * | 2021-12-23 | 2022-05-13 | 广州高澜节能技术股份有限公司 | Functionality test method and system for wind power water cooling device |
| CN117760596A (en) * | 2024-02-22 | 2024-03-26 | 潍坊宏图环保设备有限公司 | temperature sensor quality detection system |
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| CN114486110A (en) * | 2021-12-23 | 2022-05-13 | 广州高澜节能技术股份有限公司 | Functionality test method and system for wind power water cooling device |
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Application publication date: 20180928 |
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