CN109238515A - The geo-thermal response test thermostat of temperature sensor, geo-thermal response test system - Google Patents
The geo-thermal response test thermostat of temperature sensor, geo-thermal response test system Download PDFInfo
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- CN109238515A CN109238515A CN201811183051.7A CN201811183051A CN109238515A CN 109238515 A CN109238515 A CN 109238515A CN 201811183051 A CN201811183051 A CN 201811183051A CN 109238515 A CN109238515 A CN 109238515A
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- accommodating chamber
- temperature sensor
- thermostat
- ring baffle
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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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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The geo-thermal response test thermostat and geo-thermal response test system of a kind of temperature sensor proposed by the present invention, wherein the geo-thermal response test thermostat of temperature sensor includes: thermostat ontology, ring baffle, blender and slot cover, ring baffle is provided in thermostat ontology, thermostat ontology is separated into the first accommodating chamber and the second accommodating chamber by ring baffle, ring baffle is equipped with the water inlet gap of multiple connection the first accommodating chambers and the second accommodating chamber, blender is arranged in the first accommodating chamber, slot cover lid closes thermostat ontology, slot cover is equipped with through-hole, temperature sensor via through holes to be measured are inserted into the first accommodating chamber and the test side of temperature sensor to be measured is between ring baffle and blender.The geo-thermal response test thermostat and geo-thermal response test system of a kind of temperature sensor proposed by the present invention, structurally reasonable, configuration is compact, and measurement is accurate, and the thermal response time suitable for contact type temperature sensor is tested.
Description
Technical field
The present invention relates to temperature sensor testing fields, and in particular to a kind of geo-thermal response test constant temperature of temperature sensor
Slot, geo-thermal response test system.
Background technique
Temperature sensor can be generally related in industrial production, and the thermal responsive time constant of temperature sensor is a shadow
Ring an important performance indexes of device performance even product quality.At this stage, the temperature as used in various processes passes
The requirement of sensor thermal response time is different, also ununified measuring device and can thermal response time data for reference.Work as temperature
Degree sensor occurs that security risk will be brought when control lag, influences daily production, or even lead to major accident.Currently, this
The relevant enterprise in field and testing agency piece together combination using various equipment and are detected together to solve the technical problem,
Equipment difference is big, measurement inaccuracy, but the problem never has a set of detection device to properly settle this problem.
Summary of the invention
Technology based on the above background, the present invention propose that a kind of geo-thermal response test of temperature sensor is used
The geo-thermal response test thermostat of thermostat, geo-thermal response test system, the temperature sensor can be precisely controlled temperature, thermal response
Test system structure is reasonable, configures compact, and accuracy of measurement is high, can be from being tested automatically and carry out calculation processing.
The geo-thermal response test thermostat of a kind of temperature sensor proposed by the present invention, comprising: thermostat ontology, annular gear
Plate, blender and slot cover are provided with ring baffle in thermostat ontology, and thermostat ontology is separated into the first receiving by ring baffle
Chamber and the second accommodating chamber, ring baffle are equipped with the water inlet gap of multiple connection the first accommodating chambers and the second accommodating chamber, stirring
Device is arranged in the first accommodating chamber, and slot cover lid closes thermostat ontology, and slot cover is equipped with through-hole, and temperature sensor via through holes to be measured are inserted
Enter in the first accommodating chamber and the test side of temperature sensor to be measured is between ring baffle and blender.
Preferably, blender uses turbine agitator.
Preferably, ring baffle is made of the material of lower thermal conductivity.
It preferably, further include thermal insulator, thermal insulator is mounted in through-hole and matches with sensor to be measured.
In the thermal response time test of temperature sensor, keeping the stabilization of the temperature of constant temperature tank liquid is that test is accurate
An important factor for.Thermostat ontology is separated by the way that ring baffle, ring baffle are arranged in thermostat ontology by the present invention
One accommodating chamber and the second accommodating chamber, and ring baffle is equipped between multiple connection the first accommodating chamber and the water inlets of the second accommodating chamber
Gap is constant temperature workspace in the first accommodating chamber by the temperature of the liquid in adjustable second accommodating chamber of thermostat ontology, will
Blender is arranged in the first accommodating chamber, to obtain more stable flow field.Liquid in first accommodating chamber stirs shape by blender
At liquid square to circulation, by the second accommodating chamber through water inlet gap flow into the liquid with temperature difference and the first accommodating chamber
The liquid at cavity edge is sufficiently mixed, and reduces the influence for the temperature for accommodating intracavity liquid to first.Baffle uses lower thermal conductivity
Material is made, and plays insulation effect to the liquid being located in the first accommodating chamber, reduces by the first temperature change for accommodating intracavity liquid.
Moreover, because thermal insulator and sensor to be measured, which match, seals sensor to be measured and slot cover, it is possible to reduce first accommodates intraluminal fluid
The temperature change of body.The geo-thermal response test thermostat of temperature sensor proposed by the present invention, it is structurally reasonable, it can substantially mention
The stability and uniformity of the temperature of the liquid of high thermostat constant temperature workspace.
The invention also provides a kind of geo-thermal response test systems of temperature sensor, comprising: thermostat, is used for controller
Detect the second of the first accommodating chamber center liquid temperature of the first temperature sensor and detection of the first accommodating chamber surrounding fluid temperature
Temperature sensor, thermostat include: thermostat ontology, ring baffle, blender and slot cover, are provided with annular in thermostat ontology
Thermostat ontology is separated into the first accommodating chamber and the second accommodating chamber by baffle, ring baffle, and ring baffle is equipped with multiple connections
The water inlet gap of first accommodating chamber and the second accommodating chamber, blender are arranged in the first accommodating chamber, and slot cover lid closes thermostat ontology,
Slot cover is equipped with through-hole, and temperature sensor via through holes to be measured are inserted into the first accommodating chamber and the test side of temperature sensor to be measured position
Between ring baffle and blender, the first temperature sensor and second temperature sensor are connect with controller signals, control
Device and blender control connect.
When specifically used, so that thermostat is heated to assigned temperature, while being stirred using blender, pass through the first temperature
The temperature information that sensor and second temperature sensor detect, changing mixing speed by controller control blender makes thermostat
The temperature of first accommodating chamber keeps stablizing, and temperature sensor to be measured is inserted into designated depth in the first accommodating chamber by through-hole, simultaneously
The temperature information in thermometric slot on dut temperature sensor is acquired, and notes down acquisition duration, controller is according to the signal received
Information carries out calculation processing and obtains the thermal response time of temperature sensor to be measured or the test result of time constant.
In conclusion the geo-thermal response test thermostat and geo-thermal response test system of temperature sensor proposed by the present invention,
Its is structurally reasonable, can greatly improve the stability and uniformity of the temperature of the first accommodating chamber of thermostat, and proposed by the present invention
Geo-thermal response test system, structurally reasonable, configuration is compact, can be from be tested and be carried out automatically calculation processing, and test result has
There is higher accuracy, can be adapted for the thermal response time test of the contact type temperature sensor of various specifications model.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram one of the geo-thermal response test thermostat of temperature sensor proposed by the present invention.
Fig. 2 is the structural schematic diagram two in a kind of geo-thermal response test thermostat of temperature sensor proposed by the present invention.
Specific embodiment
- Fig. 2 referring to Fig.1, a kind of geo-thermal response test thermostat of temperature sensor proposed by the present invention, comprising: constant temperature
Slot ontology 1, ring baffle 2, blender 5 and slot cover 6, are provided with ring baffle 2 in thermostat ontology 1, and ring baffle 2 is by constant temperature
Slot ontology 1 is separated into the first accommodating chamber 3 and the second accommodating chamber 4, and ring baffle 2 is equipped with the first accommodating chamber 3 of multiple connections and the
The water inlet gap 7 of two accommodating chambers 4, blender 5 are arranged in the first accommodating chamber 3, the lid conjunction thermostat ontology 1 of slot cover 6, in slot cover 6
Equipped with through-hole 10, in first accommodating chamber of the insertion of the temperature sensor via through holes 10 to be measured 3 and test side position of temperature sensor to be measured
Between ring baffle 2 and blender 5.
The present invention is in use, can be adjusted according to the needs the intracorporal liquid of 4 chamber of the second accommodating chamber by thermostat ontology 1
Temperature, the first accommodating chamber 3 are constant temperature workspace, and blender 5 is arranged in 3 cavity of the first accommodating chamber, more stable to obtain
Flow field.The intracorporal liquid of first accommodating chamber, 3 chamber is stirred by blender 5 and forms the circulation of horizontal direction, by the second accommodating chamber 4 through into
The liquid of the liquid with temperature difference and 3 cavity surrounding of the first accommodating chamber that water space 7 flows into is sufficiently mixed, with temperature difference
The heat that the liquid of the heat supplement of liquid institute band the first accommodating chamber 3 cavity surrounding is lost, reduces to the first accommodating chamber 3
The influence of the temperature of liquid in cavity.When temperature sensor to be measured passes through matched thermal insulator 11, make entire constant temperature
Slot is in sealing state, is conducive to the stabilization for maintaining 3 cavity inner temperature field of the first accommodating chamber.Liquid can be water or silicone oil.
In the present embodiment, blender 5 uses turbine agitator.This turbine agitator generates very big when rotated
Centrifugal force, it can throw to the liquid of 3 chamber central of the first accommodating chamber at 3 cavity edge of the first accommodating chamber, by the second accommodating chamber 4
Liquid through water inlet gap 7 liquid with temperature difference flowed into and 3 surrounding of the first accommodating chamber is sufficiently mixed, the band temperature newly flowed into
The heat that the liquid of the heat supplement of the liquid institute band of difference 3 cavity surrounding of the first accommodating chamber is lost is spent, is further decreased
Influence to the temperature of liquid in 3 cavity of the first accommodating chamber, makes the temperature uniformity of the liquid of 3 cavity of the first accommodating chamber.
In the present embodiment, ring baffle 2 is made of the material of lower thermal conductivity.Using made of low thermal conductivity material
Ring baffle 2 plays insulation effect to the intracavitary liquid of the first accommodating chamber 3 is located at, reduces the temperature of 3 intracavity liquid of the first accommodating chamber
Degree variation.
In the present embodiment, further include thermal insulator 11, thermal insulator 11 be mounted in through-hole 10 and with sensor phase to be measured
Matching, it is possible to reduce first accommodates the temperature change of intracavity liquid.Thermal insulator can be replaced according to temperature sensor to be measured.
The invention also provides a kind of geo-thermal response test systems of temperature sensor, comprising: thermostat, is used for controller
Detect 3 surrounding fluid temperature of the first accommodating chamber the first temperature sensor 8 and detection 3 center liquid temperature of the first accommodating chamber the
Two temperature sensors 9, thermostat include: thermostat ontology 1, ring baffle 2, blender 5 and slot cover 6, are set in thermostat ontology 1
It is equipped with ring baffle 2, thermostat ontology 1 is separated into the first accommodating chamber 3 and the second accommodating chamber 4, ring baffle 2 by ring baffle 2
It is equipped with the water inlet gap 7 of multiple connection the first accommodating chambers 3 and the second accommodating chamber 4, blender 5 is arranged in the first accommodating chamber 3,
The lid of slot cover 6 closes thermostat ontology 1, and slot cover 6 is equipped with through-hole 10, and temperature sensor via through holes 10 to be measured are inserted into the first accommodating chamber 3
The test side of temperature sensor interior and to be measured is between ring baffle 2 and blender 5, the first temperature sensor 8 and the second temperature
Degree sensor 9 is connect with controller signals, and controller 11 and the control of blender 5 connect.
The present invention is in use, be heated to required temperature for the liquid being located in thermostat ontology 1 by thermostat ontology 1
Degree, while being stirred using blender 5 with certain mixing speed, it is sensed by the first temperature sensor 8 with second temperature
The temperature information that device 9 detects protects the temperature of the first accommodating chamber of thermostat 3 by the mixing speed of controller control blender 5
It is fixed to keep steady, and temperature sensor to be measured is inserted into designated depth in the first accommodating chamber 3 by through-hole 10, while acquiring and being tested in thermometric slot
Temperature information on temperature sensor, and acquisition duration is noted down, controller carries out calculation processing according to the signal message received
Obtain the thermal response time of temperature sensor to be measured or the test result of time constant.Certainly, controller can also be with constant temperature
Slot intrinsic controller control link, by controller control since equipment state to calculating testing result.
Thermal response time test macro proposed by the present invention, it is structurally reasonable, configure it is compact, can be from being tested simultaneously automatically
Carry out calculation processing, it is ensured that the high-precision of the result of thermal response time test can be adapted for the contact of various specifications model
The thermal response time of formula temperature sensor is tested.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone 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 (5)
1. a kind of geo-thermal response test thermostat of temperature sensor characterized by comprising thermostat ontology (1), annular gear
Plate (2), blender (5) and slot cover (6) are provided with ring baffle (2) in thermostat ontology (1), and ring baffle (2) is by thermostat
Ontology (1) is separated into the first accommodating chamber (3) and the second accommodating chamber (4), and ring baffle (2) is equipped with the first accommodating chamber of multiple connections
(3) it is arranged in the first accommodating chamber (3) with the water inlet gap (7) of the second accommodating chamber (4), blender (5), slot cover (6) Gai Heheng
Warm slot ontology (1), slot cover (6) are equipped with through-hole (10), in temperature sensor via through holes (10) insertion the first accommodating chamber (3) to be measured
And the test side of temperature sensor to be measured is located between ring baffle (2) and blender (5).
2. the geo-thermal response test thermostat of temperature sensor according to claim 1, which is characterized in that blender (5)
Using turbine agitator.
3. the geo-thermal response test thermostat of temperature sensor according to claim 2, which is characterized in that ring baffle
(2) it is made of low thermal conductivity material.
4. the geo-thermal response test thermostat of temperature sensor according to claim 3, which is characterized in that further include heat-insulated
Part (11), thermal insulator (11) are mounted in through-hole (10) and match with sensor to be measured.
5. a kind of geo-thermal response test system of temperature sensor characterized by comprising thermostat, controller, for detecting the
The of first temperature sensor (8) of one accommodating chamber (3) surrounding fluid temperature and detection the first accommodating chamber (3) center liquid temperature
Two temperature sensors (9), thermostat include: thermostat ontology (1), ring baffle (2), blender (5) and slot cover (6), constant temperature
Is provided with ring baffle (2) in slot ontology (1), ring baffle (2) by thermostat ontology (1) be separated into the first accommodating chamber (3) and
Second accommodating chamber (4), ring baffle (2) are equipped with the water inlet gap of multiple connection the first accommodating chamber (3) and the second accommodating chamber (4)
(7), blender (5) setting is in the first accommodating chamber (3), and slot cover (6) lid closes thermostat ontology (1), and slot cover (6) is equipped with through-hole
(10), in temperature sensor via through holes (10) insertion the first accommodating chamber (3) the to be measured and test side of temperature sensor to be measured is located at
Between ring baffle (2) and blender (5), the first temperature sensor (8) and second temperature sensor (9) are and controller signals
Connection, controller (11) and blender control connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811183051.7A CN109238515A (en) | 2018-10-11 | 2018-10-11 | The geo-thermal response test thermostat of temperature sensor, geo-thermal response test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811183051.7A CN109238515A (en) | 2018-10-11 | 2018-10-11 | The geo-thermal response test thermostat of temperature sensor, geo-thermal response test system |
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| Publication Number | Publication Date |
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| CN109238515A true CN109238515A (en) | 2019-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811183051.7A Pending CN109238515A (en) | 2018-10-11 | 2018-10-11 | The geo-thermal response test thermostat of temperature sensor, geo-thermal response test system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057472A (en) * | 2019-04-25 | 2019-07-26 | 上海市计量测试技术研究院 | A kind of temperature sensor thermal response time measuring device and method |
| CN115855317A (en) * | 2023-02-21 | 2023-03-28 | 山东省科学院海洋仪器仪表研究所 | Thermistor temperature sensor response speed testing device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110057472A (en) * | 2019-04-25 | 2019-07-26 | 上海市计量测试技术研究院 | A kind of temperature sensor thermal response time measuring device and method |
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| CN115855317A (en) * | 2023-02-21 | 2023-03-28 | 山东省科学院海洋仪器仪表研究所 | Thermistor temperature sensor response speed testing device and method |
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