CN104634480B - A kind of Thermostatic detection device for temperature sensor - Google Patents
A kind of Thermostatic detection device for temperature sensor Download PDFInfo
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- CN104634480B CN104634480B CN201510026039.5A CN201510026039A CN104634480B CN 104634480 B CN104634480 B CN 104634480B CN 201510026039 A CN201510026039 A CN 201510026039A CN 104634480 B CN104634480 B CN 104634480B
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- box
- constant temperature
- box lid
- temperature detection
- temperature sensor
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Abstract
The invention discloses a kind of Thermostatic detection device for temperature sensor, including Constant Temperature Detection box, the first box lid, the second box lid, the 3rd box lid, temperature sensor to be detected and thermocouple sensor；The opening up setting of Constant Temperature Detection box, Constant Temperature Detection box side upper end is equipped with hot air inlet, Constant Temperature Detection box opposite side lower end is equipped with exhaust outlet, the muff for being close to box wall is equipped with Constant Temperature Detection box, thermocouple sensor sequentially passes through Constant Temperature Detection box, muff from Constant Temperature Detection cassette bottom face and stretches into muff；The opening of Constant Temperature Detection box is closed by the first box lid, 3rd box lid, the second box lid, the first box lid are connected by the first fastener with Constant Temperature Detection box, temperature sensor to be detected sequentially passes through the 3rd box lid, the second box lid, the first box lid, and the 3rd box lid is equipped with the compressing member being fixed on temperature sensor to be detected on second box lid.The configuration of the present invention is simple, reduces production cost, improves accuracy of detection, improves detection efficiency.
Description
Technical field
The present invention relates to temperature sensor detection technique field, more particularly to a kind of Constant Temperature Detection for temperature sensor
Device.
Background technology
Among multiple sensors, temperature sensor is a kind of most commonly used sensor.Temperature sensor is in society
Proportion greatly exceed other types of sensor, wherein the sensing element of most temperature sensor is semiconductor temperature-sensitive
Resistance, because within the scope of working region, semiconductor thermistor has the sensitivity that other elements do not have.
Thermistor resistance value can reduce with the increase of external temperature in temperature sensor.To such temperature sensor
Traditional detection method is mainly water inspection or oily inspection method (temperature range heated as needed is selected), i.e., puts temperature sensor
Put under the fluid conditions of different temperatures, at the same between universal meter detection temperature sensor two-terminal under different temperatures environment
Resistance value, then compares standard value with the resistance value detected, and then the purpose detected.Due to sink or oil groove
Capacity is big, and thermal capacity is high, and warming and cooling rate is slower, therefore while being detected using the method generally requires to wait the long period, and
The equal control of water temperature is relatively difficult, and measurement accuracy cannot be guaranteed, cannot be met the requirements in actual production.
The content of the invention
In order to solve technical problem present in background technology, the present invention proposes a kind of constant temperature for temperature sensor
Detection device, it is simple in structure, production cost is reduced, improves accuracy of detection, improves detection efficiency.
A kind of Thermostatic detection device for temperature sensor proposed by the present invention, including Constant Temperature Detection box, the first box lid,
Second box lid, the 3rd box lid, temperature sensor to be detected and thermocouple sensor；The opening up setting of Constant Temperature Detection box, it is permanent
Temperature detector surveys box side upper end and is equipped with hot air inlet, and Constant Temperature Detection box opposite side lower end is equipped with exhaust outlet, is equipped with Constant Temperature Detection box
It is close to the muff of box wall, muff side upper end is equipped with hot inlet air port corresponding with hot air inlet, under muff opposite side
End is equipped with air draft port corresponding with exhaust outlet, and hot blast pipe is sleeved on hot inlet air port and is fixed on constant temperature by the first chuck and examines
Survey on box, exhaust duct sleeve is fixed on Constant Temperature Detection box in air draft port and by the second chuck, and thermocouple sensor is from constant temperature
Detection cassette bottom face sequentially passes through Constant Temperature Detection box, muff and stretches into muff；The opening of Constant Temperature Detection box passes through the first box
Lid closing, the first box lid top are equipped with the second box lid and the 3rd box lid successively, and the 3rd box lid, the second box lid, the first box lid pass through
First fastener is connected with Constant Temperature Detection box, and temperature sensor to be detected sequentially passes through the 3rd box lid, the second box lid, the first box
Lid, and the test side of temperature sensor to be detected is stretched into muff, and the 3rd box lid is equipped with temperature sensor to be detected
The compressing member being fixed on the second box lid.
Preferably, thermocouple sensor is located at the middle part in Constant Temperature Detection cassette bottom face, temperature sensor and thermocouple to be detected
Sensor is located on same vertical curve.
The first box lid for being preferably located at side in Constant Temperature Detection box is equipped with closing temperature sensor perforation to be detected
Closure gate, closure gate are connected on the first box lid by torsional spring.
Preferably, the 3rd box lid is equipped with the compression spring being fixed on temperature sensor to be detected on second box lid.
Preferably, the first chuck, the second chuck are connected by the second fastener with Constant Temperature Detection box.
Preferably, protrusion is equipped with Constant Temperature Detection cassette bottom face, protrusion is equipped with the 3rd fastening of fixed thermocouple sensor
Part.
Preferably, the first fastener, the second fastener, the 3rd fastener use screw.
A kind of Thermostatic detection device for temperature sensor provided by the invention, Constant Temperature Detection box is according to testing temperature to be checked
The configuration design of sensor, it is small, ensure that hot wind that hot blast pipe the is blown into temperature in Constant Temperature Detection box is uniform, prevent part
Be influenced by heat accuracy of detection；Hot blast pipe is that hot wind is sent into Constant Temperature Detection box, and the real time temperature of Constant Temperature Detection box passes through thermoelectricity
Even sensor detects, and adjusts the hot air flow or hot wind temperature of hot blast pipe according to the real time temperature in Constant Temperature Detection box
Degree.When detecting, temperature sensor to be detected sequentially passes through the 3rd box lid, the second box lid, the first box lid and its test side and stretches
Enter in Constant Temperature Detection box, and temperature sensor to be detected is fixed on the second box lid by compression spring, while testing temperature to be checked passes
The test side of sensor offsets with stifled air door can decline stifled air door, and temperature sensor to be detected is taken out after the completion of to be detected, block up wind
Keep in the center under the action of door Niu Yellow and close the first box lid, prevent heat from being distributed from Constant Temperature Detection box, ensure that constant temperature is examined
The stabilization of temperature in box is surveyed, production cost is reduced, improves accuracy of detection and detection efficiency.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of Thermostatic detection device for temperature sensor proposed by the present invention.
Embodiment
As shown in Figure 1, Fig. 1 is a kind of structural representation of Thermostatic detection device for temperature sensor proposed by the present invention
Figure.
Reference Fig. 1, a kind of Thermostatic detection device for temperature sensor proposed by the present invention, including Constant Temperature Detection box 1,
First box lid 11, the second box lid 12, the 3rd box lid 13, temperature sensor to be detected 2 and thermocouple sensor 3；Constant Temperature Detection box 1
Opening up setting, 1 side upper end of Constant Temperature Detection box is equipped with hot air inlet, and 1 opposite side lower end of Constant Temperature Detection box is equipped with air draft
Mouthful, the muff 14 for being close to box wall is equipped with Constant Temperature Detection box 1,14 side upper end of muff is equipped with heat corresponding with hot air inlet
Inlet air port, 14 opposite side lower end of muff are equipped with air draft port corresponding with exhaust outlet, and hot blast pipe 4 is sleeved on hot inlet air port
And be fixed on by the first chuck on Constant Temperature Detection box 1, exhaust duct 5 is sleeved on air draft port and is fixed on constant temperature by the second chuck
Detect on box 1, the first chuck, the second chuck are connected by trip bolt with Constant Temperature Detection box 1.Thermocouple sensor 3 is from perseverance
Temperature detector surveys 1 bottom surface of box and sequentially passes through Constant Temperature Detection box 1, muff 14 and stretch into muff 14；Set in 1 bottom surface of Constant Temperature Detection box
There is protrusion, thermocouple sensor 3 is fixed in protrusion by trip bolt.
The opening of Constant Temperature Detection box 1 is closed by the first box lid 11, and the top of the first box lid 11 is equipped with the second box lid 12 successively
With the 3rd box lid 13, the 3rd box lid 13, the second box lid 12, the first box lid 11 are connected with Constant Temperature Detection box 1 by trip bolt, treated
Detection temperature sensor 2 sequentially passes through the 3rd box lid 13, the second box lid 12, the first box lid 11, and temperature sensor to be detected 2
Test side stretch into muff 14, the 3rd box lid 13 be equipped with temperature sensor 2 to be detected is fixed on the second box lid 12
Compressing member, compressing member blocks temperature sensing to be detected in a free state using the compression spring of the 3rd box lid 13, compression spring is arranged on
Device 2 is so that temperature sensor 2 to be detected is fixed on the second box lid.
First box lid 11 of side is equipped with the closure for closing temperature sensor perforation to be detected in Constant Temperature Detection box 1
Door 15, closure gate 15 is connected on the first box lid 11 by torsional spring；The test side of temperature sensor 2 to be detected and stifled 15 phase of air door
To that can decline stifled air door 15, temperature sensor 2 to be detected is taken out after the completion of to be detected, is returned under the action of 15 Niu Yellow of stifled air door
Return in situ and close the first box lid 11, prevent heat from being distributed from Constant Temperature Detection box 1, ensure that the steady of temperature 1 in Constant Temperature Detection box
It is fixed.
In a particular embodiment, thermocouple sensor 3 is located at the middle part of 1 bottom surface of Constant Temperature Detection box, temperature sensing to be detected
Device 2 and thermocouple sensor 3 are located on same vertical curve；Make the temperature that temperature sensor 2 to be detected gathers closest to thermocouple
The temperature that sensor 3 gathers, improves accuracy of detection.
In the present invention, the air intake of hot blast pipe blows resistive heater using wind turbine and forms hot wind, is set on hot blast pipe
There is shut-off valve, hot wind is sent into Constant Temperature Detection box 1 by hot blast pipe, and the real time temperature of Constant Temperature Detection box 1 passes through thermocouple sensor 3
To detect；When temperature is more than preset temperature in Constant Temperature Detection box 1, the shut-off valve on hot blast pipe can be closed, works as Constant Temperature Detection
When temperature is less than preset temperature in box 1, the heating power of resistance wire can be improved, ensures the temperature stabilization in Constant Temperature Detection box 1, carries
High detection efficiency and precision.
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 be covered by the protection scope of the present invention.
Claims (4)
1. a kind of Thermostatic detection device for temperature sensor, it is characterised in that including Constant Temperature Detection box (1), the first box lid
(11), the second box lid (12), the 3rd box lid (13), temperature sensor to be detected (2) and thermocouple sensor (3)；Constant Temperature Detection
The opening up setting of box (1), Constant Temperature Detection box (1) side upper end are equipped with hot air inlet, Constant Temperature Detection box (1) opposite side lower end
Equipped with exhaust outlet, the muff (14) for being close to box wall is equipped with Constant Temperature Detection box (1), muff (14) side upper end is equipped with and heat
The corresponding hot inlet air port of air inlet, muff (14) opposite side lower end are equipped with air draft port corresponding with exhaust outlet, hot inlet air
Pipe (4) is sleeved on hot inlet air port and is fixed on by the first chuck on Constant Temperature Detection box (1), and exhaust duct (5) is sleeved on air draft port
And be fixed on by the second chuck on Constant Temperature Detection box (1), thermocouple sensor (3) passes through successively from Constant Temperature Detection box (1) bottom surface
Wear Constant Temperature Detection box (1), muff (14) and stretch into muff (14)；The opening of Constant Temperature Detection box (1) passes through the first box lid
(11) close, the second box lid (12) and the 3rd box lid (13), the 3rd box lid (13), second are equipped with successively above the first box lid (11)
Box lid (12), the first box lid (11) are connected by the first fastener with Constant Temperature Detection box (1), temperature sensor (2) to be detected according to
It is secondary to run through the 3rd box lid (13), the second box lid (12), the first box lid (11), and the test side of temperature sensor to be detected (2)
Stretch into muff (14), the 3rd box lid (13) is equipped with and temperature sensor to be detected (2) is fixed on the second box lid (12)
Compressing member；
The first box lid (11) positioned at Constant Temperature Detection box (1) interior side is equipped with the closure for closing temperature sensor perforation to be detected
Door (15), closure gate (15) are connected on the first box lid (11) by torsional spring；
Thermocouple sensor (3) is located at the middle part of Constant Temperature Detection box (1) bottom surface, and temperature sensor (2) to be detected and thermocouple pass
Sensor (3) is located on same vertical curve.
2. the Thermostatic detection device according to claim 1 for temperature sensor, it is characterised in that the 3rd box lid (13)
Be equipped with compression spring temperature sensor to be detected being fixed on second box lid (12).
3. the Thermostatic detection device according to claim 1 for temperature sensor, it is characterised in that the first chuck,
Two chucks are connected by the second fastener with Constant Temperature Detection box (1).
4. the Thermostatic detection device according to claim 1 for temperature sensor, it is characterised in that in Constant Temperature Detection box
(1) bottom surface is equipped with protrusion, and protrusion is equipped with the 3rd fastener of fixed thermocouple sensor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510026039.5A CN104634480B (en) | 2015-01-19 | 2015-01-19 | A kind of Thermostatic detection device for temperature sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510026039.5A CN104634480B (en) | 2015-01-19 | 2015-01-19 | A kind of Thermostatic detection device for temperature sensor |
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| CN104634480A CN104634480A (en) | 2015-05-20 |
| CN104634480B true CN104634480B (en) | 2018-05-04 |
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| CN201510026039.5A Active CN104634480B (en) | 2015-01-19 | 2015-01-19 | A kind of Thermostatic detection device for temperature sensor |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101748A (en) * | 2017-06-07 | 2017-08-29 | 安徽海盛智能测控科技有限公司 | A kind of device for being used to detect cooling-water temperature transmitter |
| CN108593144A (en) * | 2018-03-13 | 2018-09-28 | 安徽瑞鑫自动化仪表有限公司 | A kind of temperature sensor quality detecting system |
| CN108827497A (en) * | 2018-03-13 | 2018-11-16 | 安徽瑞鑫自动化仪表有限公司 | A kind of temperature detecting precision method of inspection of temperature sensor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3738174A (en) * | 1972-03-01 | 1973-06-12 | King Nutronics Corp | Temperature calibration system |
| CN101354294A (en) * | 2008-09-08 | 2009-01-28 | 王长勋 | Cylinder-shaped air medium high temperature constant temperature bath |
| CN203365021U (en) * | 2013-03-18 | 2013-12-25 | 中国兵器工业集团第五三研究所 | Portable temperature calibrator |
-
2015
- 2015-01-19 CN CN201510026039.5A patent/CN104634480B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3738174A (en) * | 1972-03-01 | 1973-06-12 | King Nutronics Corp | Temperature calibration system |
| CN101354294A (en) * | 2008-09-08 | 2009-01-28 | 王长勋 | Cylinder-shaped air medium high temperature constant temperature bath |
| CN203365021U (en) * | 2013-03-18 | 2013-12-25 | 中国兵器工业集团第五三研究所 | Portable temperature calibrator |
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| CN104634480A (en) | 2015-05-20 |
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