CN209198967U - A kind of non-contact temperature control system - Google Patents
A kind of non-contact temperature control system Download PDFInfo
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- CN209198967U CN209198967U CN201821876315.2U CN201821876315U CN209198967U CN 209198967 U CN209198967 U CN 209198967U CN 201821876315 U CN201821876315 U CN 201821876315U CN 209198967 U CN209198967 U CN 209198967U
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Abstract
A kind of non-contact temperature control system, the non-contact temperature control system include testpieces, power supply, heater, light sensation thermal detector, silicon-controlled and data acquisition memory；Test body structure surface temperature control point is incuded by light sensation thermal detector, control point temperature acquisition is stored and is analyzed, measurement result and fiducial temperature are compared；Target data and control point data are subjected to error analysis by controller, then heater power is controlled by silicon controlled module, is consistent body structure surface temperature with target temperature；It is controlled by temperature of the light sensation thermal detector to body structure surface control point, it can solve external thermal capacitance and destroy test error caused by body structure surface temperature field, solve the problems, such as that influence and lead of traditional thermocouple lead to body structure surface heat radiation are mutually wound.
Description
Technical field
The invention belongs to aeronautic structure test application technical field, in particular to a kind of non-contact temperature control
System and its temprature control method.
Background technique
Structure thermal protection testing experiment is the indispensable link of aerospace structure, and current thermal protective performance is surveyed
Examination, which is generallyd use, arranges thermocouple in body structure surface, then by external heating method, control point temperature is made to reach the temperature of requirement
Degree is realized and is examined to the thermal protective performance of structure.However, in the control point mode that is controlled of arrangement thermocouple due to introducing
External thermocouple, so that control point temperature loses accuracy, for transient state Thermal test, due to arrangement thermocouple feedback control
Make caused by error even test result can be made to be distorted completely, be simutaneously arranged thermocouple deposit fall off during heating, thermocouple
The problems such as lead effect heat radiation.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of its temperature controlling party of non-contact temperature control system
Method realized by non-contact temperature induction to the control system of temperature, solve thermocouple deposit fall off during heating, thermoelectricity
The problems such as even lead effect heat radiation.
For achieving the above object, the present invention adopts the following technical scheme:
A kind of non-contact temperature control system, the non-contact temperature control system include testpieces, power supply, add
Hot device, light sensation thermal detector, silicon-controlled and data acquisition memory；By turn-on power to heating installation power supply, heater is to test
Part is heated；Testpieces surface temperature control point is incuded by light sensation thermal detector, control point temperature acquisition is stored
Analysis, measurement result and fiducial temperature are compared；Target data and control point data are subjected to error point by controller
Analysis, controls heater power by silicon controlled module, is consistent body structure surface temperature with target temperature.
Preferably, the complete device of the light sensing is infrared radiation thermometer, and the infrared ray that infrared radiation thermometer emits testpieces has
Some radiation energies are transformed into electric signal, according to electric signal size is transformed into, can determine the temperature of object.
Preferably, the testpieces temperature is measured as multi-point temperature measurement, it is ensured that the accuracy of measurement data.
Preferably, the heater is array heater, guarantees the uniformity heated to testpieces.
Preferably, the data acquisition memory uses micro processor, can be collected and be divided with measurement data
Analysis.
Preferably, heating power control uses SCR control, guarantees contactless operation, has no-spark, nothing
Noise, high-efficient advantage.
Non-contact temperature control method of the invention includes:
Step 1: operator, which inputs, starts test command, and power supply is begun to turn on；
Step 2: power supply conducting post-heater brings into operation, and heater starts to heat testpieces；
Step 3: the temperature of light sensation thermal detector real-time detection testpieces test point；
Step 4: the temperature that light sensation thermal detector will test is transmitted to data acquisition memory；
Step 5: the temperature data being collected into is compared analysis with setting fiducial temperature by data acquisition memory；
Step 6: when detecting fiducial temperature of the temperature greater than setting, temperature of silicon controlled rectifier regulating system starts and turns down heating
Device power；When detecting temperature less than fiducial temperature, heater is continued to heat by former power；
Step 7: judging whether testpieces is tested terminates, if testpieces, which is not tested, to be terminated, continues to add test block
Heat；It cuts off the power if judgement test terminates.
Non-contact temperature control system provided by the invention and its temprature control method, by light sensation thermal detector to structure
The temperature of granule surface contral point is controlled, and can destroy test error caused by body structure surface temperature field to avoid external thermal capacitance,
Avoid the problem of influence and lead of traditional thermocouple lead to body structure surface heat radiation are mutually wound.
Detailed description of the invention
Fig. 1 is a kind of block diagram of non-contact temperature control system of the present invention.
Fig. 2 is non-contact temperature control method flow chart of the present invention.
In figure: 1, testpieces；101, power supply；102, heater；103, wide steel thermal detector；104, data acquisition memory；
105, silicon-controlled.
Specific embodiment
By the following examples can the detailed explanation present invention, the open purpose of the present invention is intended to protect model of the present invention
Enclose all interior technological improvements.
As shown in Figure 1, non-contact temperature control system provided by the invention includes: testpieces 1, power supply 101, heating
Device 102, light sensation thermal detector 103, data acquisition memory 104 and silicon-controlled 105；Heater 102 is supplied by turn-on power 101
Electricity, heater 102 heat testpieces 1；1 surface temperature control point of testpieces is felt by light sensation thermal detector 103
It answers, control point temperature is transmitted to data acquisition memory 104, by data acquisition memory 104 by measurement result and benchmark temperature
Degree compares；Target data and control point data are subjected to error analysis by controller, pass through silicon-controlled 105 pairs of heaters
102 power are controlled, and are consistent body structure surface temperature with target temperature.The light sensation thermal detector 103 is infrared
The radiation energy that the infrared ray that testpieces emits has is transformed into electric signal by temperature measurer, infrared radiation thermometer, according to being transformed into telecommunications
Number size, can determine the temperature of object；1 temperature of testpieces is measured as multi-point temperature measurement, it is ensured that measurement data it is accurate
Property；The heater 102 is array heater, guarantees the uniformity heated to testpieces；The data acquire storage
Device 104 uses micro processor, can be collected and be analyzed with measurement data；The heating power control is using silicon-controlled
105 controls, guarantee contactless operation, have no-spark, noiseless, high-efficient advantage.
As shown in Fig. 2, non-contact temperature control method provided by the invention includes: that operator's input starts to test
Order, power supply 101 enter the S101 stage connected, and power supply 101 is begun to turn on；Power supply 101 enters the S102 stage after being connected, and adds
Hot device 102 brings into operation, and heater 102 starts to heat testpieces 1；Subsequently into S103 stage, light sensation thermal detector 103
The temperature of real-time detection testpieces test point；S104 stage, the temperature that light sensation thermal detector 103 will test are transmitted to data acquisition
Memory 104；The temperature data being collected into is compared by S105 stage, data acquisition memory 104 with setting fiducial temperature
Analysis；In the S106 stage, when detecting fiducial temperature of the temperature greater than setting, silicon-controlled 105 humidity control system starts and turns down
102 power of heater；When detecting temperature less than fiducial temperature, heater 102 is continued to heat by former power；In the S107 stage, sentence
Whether disconnected testpieces 1, which is tested, terminates, if testpieces 1, which is not tested, to be terminated, continues to heat test block 1；If judgement test
End then cuts off the power 101.
Non-contact temperature control system provided by the invention and its temprature control method, it is right by light sensation thermal detector 103
The temperature of 1 granule surface contral point of test block is controlled, and can be destroyed caused by body structure surface temperature field and be tried to avoid external thermal capacitance
Error is tested, the problem of influence and lead of traditional thermocouple lead to body structure surface heat radiation are mutually wound is avoided.
Part not in the detailed description of the invention is the prior art.
Claims (5)
1. a kind of non-contact temperature control system, it is characterized in that: the non-contact temperature control system includes testpieces
(1), power supply (101), heater (102), light sensation thermal detector (103), data acquisition memory (104) and silicon-controlled (105)；It is logical
It crosses turn-on power (101) to power to heater (102), heater (102) heats testpieces (1)；Pass through light sensation thermometric
Device (103) incudes testpieces (1) surface temperature control point, and control point temperature is transmitted to data acquisition memory
(104), data acquisition memory (104) compares measurement result and fiducial temperature；By silicon-controlled (105) to heater
(102) power is controlled.
2. non-contact temperature control system as described in claim 1, it is characterized in that: the light sensation thermal detector (103) is
Infrared radiation thermometer.
3. non-contact temperature control system as described in claim 1, it is characterized in that: testpieces (1) temperature measures
For multi-point temperature measurement.
4. non-contact temperature control system as described in claim 1, it is characterized in that: the heater (102) is array
Formula heater.
5. non-contact temperature control system as described in claim 1, it is characterized in that: the data acquisition memory
(104) micro processor is used, measurement data is collected and is analyzed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821876315.2U CN209198967U (en) | 2018-11-14 | 2018-11-14 | A kind of non-contact temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821876315.2U CN209198967U (en) | 2018-11-14 | 2018-11-14 | A kind of non-contact temperature control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209198967U true CN209198967U (en) | 2019-08-02 |
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ID=67411653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821876315.2U Active CN209198967U (en) | 2018-11-14 | 2018-11-14 | A kind of non-contact temperature control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209198967U (en) |
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2018
- 2018-11-14 CN CN201821876315.2U patent/CN209198967U/en active Active
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