CN202711055U - Non-contact heating temperature controller performance test device - Google Patents

Non-contact heating temperature controller performance test device Download PDF

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Publication number
CN202711055U
CN202711055U CN 201220232160 CN201220232160U CN202711055U CN 202711055 U CN202711055 U CN 202711055U CN 201220232160 CN201220232160 CN 201220232160 CN 201220232160 U CN201220232160 U CN 201220232160U CN 202711055 U CN202711055 U CN 202711055U
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CN
China
Prior art keywords
heating
temperature controller
test
electrically
data
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Expired - Fee Related
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CN 201220232160
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Chinese (zh)
Inventor
蔡永华
唐仁幸
张斌
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Inspection & Quarantine Technology Center Of Zhejiang Entry-Exit Inspection & Quarantine Bureau
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Inspection & Quarantine Technology Center Of Zhejiang Entry-Exit Inspection & Quarantine Bureau
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Priority to CN 201220232160 priority Critical patent/CN202711055U/en
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Abstract

The utility model relates to a non-contact heating temperature controller performance test device which can well solve the problems that influence test accuracy in the prior art. According to the key points of the technical proposal, the non-contact heating temperature controller performance test device comprises a temperature controller heating test system which carries out sample test heating, a cooling system which is used for cooling the temperature controller heating test system, a subordinate control system which directly controls the temperature controller heating test system and the cooling system, a test data system which collects test data and a host control system; the data test end of the temperature controller heating test system and the data test end of the cooling system are electrically connected with the test data system; the output end of test data system is electrically connected with the host control system; the output end of the host control system is electrically connected with the input end of the subordinate control system; and the output end of the subordinate control system is electrically connected with the control ends of the temperature controller heating test system and the cooling system respectively. According to the utility model, the test and detection are accurate.

Description

The temperature controller performance testing device of contactless heating
Technical field
The utility model belongs to the detection monitoring device, particularly a kind of temperature controller performance testing device that can accurately test.
Background technology
Temperature controller is as the Important Components of family expenses and similar applications product, its reliability and stability enjoy the concern of industry, GB14536.1-2008 and GB14536.10-2008 have concrete requirement for endurance quality and the precision of temperature controller, yet, the raising that requires for properties of product along with the development of technology and complete machine manufacturing enterprise, industry also progressively improves the temperature controller performance requirement, except the machinery and electrical endurance of temperature controller, the time constant of temperature controller, the protractor manufacture deviation, drift, reset feature and variation of ambient temperature rate have progressively entered the row of temperature controller buying parameter on the technical parameters such as impact of temperature controller performance, the temperature controller in domestic each laboratory generally all adopts heating wire or electrothermal tube (dish) heating as heating source with testing apparatus at present, air is as cooling source, control the temperature that is heated the unit by the voltage of control heating wire or electrothermal tube (dish) and rise, control the drop in temperature of controlled unit by the air quantity of control fan.Such device exists the application in the temperature controller test macro to have 3 unfavorable factors, at first, this class device is because there be significantly hot the transmission in the process of heating, the temperature of heating wire (electrothermal tube) is apparently higher than the temperature of controlled unit, Installed System Memory is an obvious thermograde, there is extra thermal inertia in system, and then causes alternately having obvious temperature overshot in the test in temperature, the accuracy of impact test; Secondly, because air belongs to the poor conductor of heat, the mobile of air brought very large temperature uncertain to air, can cause the test macro non-uniform temperature as cooling source, produce unnecessary environmental stress, this environmental stress can cause the additional drift of temperature controller performance, affects the mensuration of temperature controller durable test and temperature controller drift value, and is last, because the existence of cooling-air, there is obvious cross-ventilation in test macro, is not inconsistent with the actual condition of temperature controller, and then affects test result.For having many uncertain factors in the present temperature controller performance test, the utility model proposes a kind of brand-new temperature controller proving installation.
China Patent Publication No. CN102122169A, July 13 2011 day for announcing, a kind of durability tester for temperature controller is disclosed, comprise power supply unit, load unit, detection control unit, output unit and heating unit and cooling unit, described heating unit adopts the inner copper billet that is provided with heating tube, described heating tube is connected with described power supply unit, the upper surface of described copper billet is provided with the thermopair for Real-time Collection copper billet temperature, described thermopair is connected with described detection control unit, the upper surface of described copper billet is provided with the heat-resisting pressing plate of insulation for fixing temperature controller responsive to temperature part, described cooling unit is the cooling draught shower nozzle that is arranged on the top of the heat-resisting pressing plate of described insulation, described cooling draught shower nozzle is connected with the air pump of tester outside, and described temperature controller is connected with the input end of described load unit by wire.But still there are above-mentioned three problems in this technical scheme: the first, and Installed System Memory affects the accuracy of test in obvious temperature overshot; The second, exist environmental stress can cause the additional drift of temperature controller performance, affect the mensuration of temperature controller durable test and temperature controller drift value, the 3rd, because the existence of cooling-air, be not inconsistent with the actual condition of temperature controller, and then affect test result.
The utility model content
The purpose of this utility model is to solve in the above-mentioned prior art and has the first, and Installed System Memory affects the accuracy of test in obvious temperature overshot; Second, exist environmental stress can cause the additional drift of temperature controller performance, affect the mensuration of temperature controller durable test and temperature controller drift value, the 3rd, because the existence of cooling-air, be not inconsistent with the actual condition of temperature controller, and then affect the problem of test result, provide a kind of test to detect more accurately temperature controller performance testing device.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of temperature controller performance testing device of contactless heating, comprise the temperature controller heating test macro that carries out the sample test heating, be used for the cooling system to the cooling of temperature controller heating test macro, temperature controller heating test macro and cooling system are carried out directly actuated lower level controlling system, collect test data system and the upper control system of test data, the data test end of temperature controller heating test macro, the data test end of cooling system all is electrically connected with the test data system, the output terminal of described test data system is electrically connected with the upper control system, the output terminal of described upper control system is electrically connected with the input end of lower level controlling system, and the output terminal of described lower level controlling system is electrically connected with the control end of described temperature controller heating test macro and cooling system respectively.This practicality can accurately be controlled probe temperature, has prevented that obvious temperature overshot, chilling temperature are even, and there is not swiftly flowing air in tested environment, more meets the temperature controller actual condition, and it is more accurate that temperature rise rate is easy to control, test detects.
As preferably, described temperature controller heating test macro comprises heating arrangement, temperature controller installing plate and heating device, described heating arrangement heats heating device, the data test end of described temperature controller installing plate is electrically connected with described test data system, described cooling system comprises the oil groove heating radiator, silicone oil oil groove and lubricating oil pump, described oil groove heating radiator and described silicone oil oil groove are fitted, described silicone oil oil groove is communicated with the formation loop by lubricating oil pump with described heating device, be provided with silicone oil oil sump temperature test lead on the described silicone oil oil groove, described silicone oil oil sump temperature test lead is electrically connected with described test data system.Arrange like this, adopted silicone oil as heat eliminating medium, not only radiating rate is fast, and with traditional air-cooled two advantages of having compared, 1, chilling temperature is even, thermograde is little in the unit; 2, there is not swiftly flowing air in tested environment, more meets the temperature controller actual condition.
As preferably, heating device is for carving the steel plate that is provided with oil circuit, described oil circuit and the conducting of described silicone oil oil groove, the upper surface of steel plate is provided with the pressing plate for fixing temperature controller responsive to temperature part, be provided with the platinum resistance temperature sense probe of thermometric special use between steel plate and copper pressing plate, described platinum resistance temperature sense probe is electrically connected with described test data system.Arrange like this, be used for by the induction heating unit volume of therefore being heated littlely, thermal capacitance is low, and there is not the high temperature source such as heating in system yet, so temperature rise rate is easy to control, particularly can produce larger rate temperature change.
As preferably, described the next control module comprises and adds thermal control units, oil pump control unit and system control unit, the described thermal control units that adds is electrically connected with the input end of described heating arrangement, described oil pump control unit is electrically connected with described oil pump machine control end, described oil pump control unit and the input end that adds thermal control units all are electrically connected with the output terminal of described system control unit, and the input end of described system control unit is electrically connected with the output terminal of described upper control system.Arrange like this, system control unit sends control command to the oil pump control unit, and the oil pump control unit is controlled the oil pump machine, and system control unit sends control command to adding thermal control units, add thermal control units heating arrangement is heated, guaranteed exactly control of the present utility model.
As preferably, described test data system comprises temperature controller electric property detecting unit and DATA REASONING unit, the test lead of described temperature controller electric property detecting unit is electrically connected with described temperature controller installing plate, the output terminal of described temperature controller electric property detecting unit is electrically connected with the input end of described DATA REASONING unit, the first test lead of described DATA REASONING unit is electrically connected with described silicone oil oil sump temperature test lead, the second test lead of described DATA REASONING unit is electrically connected with described platinum resistance temperature sense probe, and the output terminal of described DATA REASONING unit is electrically connected with described upper control system input.Arrange like this, obtain the temperature of silicone oil oil groove and the temperature of heating device by the DATA REASONING unit, then the DATA REASONING unit reads the temperature controller electric property, and the DATA REASONING unit is with the supreme level controlling system of the data transmission of obtaining, and the upper control system carries out upper control.
As preferably, described upper control system is the background computer that PID control software is installed.Arrange like this, background computer carries out PID control to heating arrangement and lubricating oil pump, reaches the perfect control of contactless heating.
As preferably, described heating arrangement is the non-contact inductive heating arrangement.Little for the unit volume of therefore being heated by induction heating, thermal capacitance is low, and there is not the high temperature source such as heating in system yet, so temperature rise rate is easy to control.
As preferably, described non-contact inductive heating arrangement carries out Frequency Induction Heating to heating device.Guaranteed that by Frequency Induction Heating heating arrangement can stablize heating.
The significant substantial effect of the utility model is: the utility model has prevented that obvious temperature overshot, chilling temperature are even, there is not swiftly flowing air in tested environment, more meet the temperature controller actual condition, it is more accurate that temperature rise rate is easy to control, test detects.
Description of drawings
Fig. 1 is a kind of theory structure synoptic diagram of the present utility model.
Among the figure: 1, background computer, 2, system control unit, 3, the DATA REASONING unit, 4, temperature controller electric property detecting unit, 5, temperature controller installing plate, 6, heating device, 7, heating arrangement, 8, add thermal control units, 9, oil pump control unit, 10, lubricating oil pump, 11, the oil groove heating radiator, 12, the silicone oil oil groove.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1:
A kind of temperature controller performance testing device of contactless heating (referring to accompanying drawing 1), comprise the temperature controller heating test macro that carries out the sample test heating, be used for the cooling system to the cooling of temperature controller heating test macro, temperature controller heating test macro and cooling system are carried out directly actuated lower level controlling system, collect test data system and the upper control system of test data, the data test end of temperature controller heating test macro, the data test end of cooling system all is electrically connected with the test data system, the output terminal of test data system is electrically connected with the upper control system, the output terminal of upper control system is electrically connected with the input end of lower level controlling system, and the output terminal of lower level controlling system is electrically connected with the control end of temperature controller heating test macro and cooling system respectively.Temperature controller heating test macro comprises heating arrangement 7, temperature controller installing plate 5 and heating device 6,7 pairs of heating devices 6 of heating arrangement heat, the data test end of temperature controller installing plate 5 is electrically connected with the test data system, cooling system comprises oil groove heating radiator 11, silicone oil oil groove 12 and lubricating oil pump 10, oil groove heating radiator 11 is fitted with silicone oil oil groove 12, silicone oil oil groove 12 is communicated with the formation loop by lubricating oil pump 10 with heating device 6, be provided with silicone oil oil groove 12 temperature test ends on the silicone oil oil groove 12, silicone oil oil groove 12 temperature test ends are electrically connected with the test data system.Heating device 6 is for carving the steel plate that is provided with oil circuit, oil circuit and 12 conductings of silicone oil oil groove, the upper surface of steel plate is provided with the pressing plate for fixing temperature controller responsive to temperature part, be provided with the platinum resistance temperature sense probe of thermometric special use between steel plate and copper pressing plate, platinum resistance temperature sense probe is electrically connected with the test data system.The next control module comprises and adds thermal control units 8, oil pump control unit 9 and system control unit 2, adding thermal control units 8 is electrically connected with the input end of heating arrangement 7, oil pump control unit 9 is electrically connected with lubricating oil pump 10 control ends, oil pump control unit 9 all is electrically connected with the output terminal of system control unit 2 with the input end that adds thermal control units 8, and the input end of system control unit 2 is electrically connected with the output terminal of upper control system.The test data system comprises temperature controller electric property detecting unit 4 and DATA REASONING unit 3, the test lead of temperature controller electric property detecting unit 4 is electrically connected with temperature controller installing plate 5, the output terminal of temperature controller electric property detecting unit 4 is electrically connected with the input end of DATA REASONING unit 3, the first test lead of DATA REASONING unit 3 is electrically connected with silicone oil oil groove 12 temperature test ends, the second test lead of DATA REASONING unit 3 is electrically connected with platinum resistance temperature sense probe, and the output terminal of DATA REASONING unit 3 is electrically connected with the upper control system input.The upper control system is the background computer 1 that PID control software is installed.Heating arrangement 7 is the non-contact inductive heating arrangement.The non-contact inductive heating arrangement carries out Frequency Induction Heating to heating device 6.Heating arrangement 7 adopts multistage power control, and output power can arrange arbitrarily in the 2200W 6 grades of 300W, and lubricating oil pump adopts variable-frequency motor, continuously adjusting oil mass.
When present embodiment uses, at first want tested temperature controller is installed on the temperature controller installing plate, then carry out the electric property of temperature controller under normal circumstances by temperature controller electric property detecting unit, temperature controller electric property detecting unit with the data transmission that records to the data test unit, data in the background computer reading out data test cell, the temperature controller electric property of finishing under normal circumstances detects.
Then carry out the temperature controller electric performance test under hot environment, background computer outputs control signals to system control unit, system control unit is controlled the non-contact inductive heating arrangement by adding thermal control units, by the oil pump control unit lubricating oil pump is controlled, the non-contact inductive heating arrangement heats heating device by the mode of Frequency Induction Heating, heating device heats up, tested temperature controller carries out work under hot environment, at this moment, the temperature of heating device is measured by the DATA REASONING unit, background computer obtains the temperature controller electric property, the temperature of silicone oil oil sump temperature and heating device, then background computer calculates by PID, control non-contact inductive heating arrangement is stablized heating, keeps the equilibrium temperature of heating arrangement.
In the steel billet temperature uphill process as heating device, present embodiment is determined lubricating oil pump output power not at the same level according to the steel billet temperature that gathers and temperature variation, spray simultaneously different cooling oil masses, control compensates rate of temperature change according to PID, so that the temperature rising rate of change of steel plate is able to accurate control; When steel billet temperature descends, the cooling system of system equally according to PID control can the accuracy-control system cooling oil mass, monitor simultaneously the oil temperature of silicone oil oil groove, and then revise and send oil mass, reach the needs of accurate heat radiation, it is too fast in order to the compensation heat radiation also to enable simultaneously the low-power heating unit, guarantees that drop in temperature speed is accurately controlled.
Above-described embodiment is a kind of better scheme of the present utility model, is not that the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim puts down in writing.

Claims (7)

1. the temperature controller performance testing device of a contactless heating, comprise the temperature controller heating test macro that carries out the sample test heating, be used for the cooling system to the cooling of temperature controller heating test macro, temperature controller heating test macro and cooling system are carried out directly actuated lower level controlling system, collect test data system and the upper control system of test data, it is characterized in that: the data test end of temperature controller heating test macro, the data test end of cooling system all is electrically connected with the test data system, the output terminal of described test data system is electrically connected with the upper control system, the output terminal of described upper control system is electrically connected with the input end of lower level controlling system, and the output terminal of described lower level controlling system is electrically connected with the control end of described temperature controller heating test macro and cooling system respectively.
2. the temperature controller performance testing device of contactless heating according to claim 1, it is characterized in that: described temperature controller heating test macro comprises heating arrangement, temperature controller installing plate and heating device, described heating arrangement heats heating device, the data test end of described temperature controller installing plate is electrically connected with described test data system, described cooling system comprises the oil groove heating radiator, silicone oil oil groove and lubricating oil pump, described oil groove heating radiator and described silicone oil oil groove are fitted, described silicone oil oil groove is communicated with the formation loop by lubricating oil pump with described heating device, be provided with silicone oil oil sump temperature test lead on the described silicone oil oil groove, described silicone oil oil sump temperature test lead is electrically connected with described test data system.
3. the temperature controller performance testing device of contactless heating according to claim 2, it is characterized in that: heating device is for carving the steel plate that is provided with oil circuit, described oil circuit and the conducting of described silicone oil oil groove, the upper surface of steel plate is provided with the pressing plate for fixing temperature controller responsive to temperature part, be provided with the platinum resistance temperature sense probe of thermometric special use between steel plate and copper pressing plate, described platinum resistance temperature sense probe is electrically connected with described test data system.
4. the temperature controller performance testing device of contactless heating according to claim 2, it is characterized in that: described the next control module comprises and adds thermal control units, oil pump control unit and system control unit, the described thermal control units that adds is electrically connected with the input end of described heating arrangement, described oil pump control unit is electrically connected with described lubricating oil pump control end, described oil pump control unit and the input end that adds thermal control units all are electrically connected with the output terminal of described system control unit, and the input end of described system control unit is electrically connected with the output terminal of described upper control system.
5. the temperature controller performance testing device of contactless heating according to claim 3, it is characterized in that: described test data system comprises temperature controller electric property detecting unit and DATA REASONING unit, the test lead of described temperature controller electric property detecting unit is electrically connected with described temperature controller installing plate, the output terminal of described temperature controller electric property detecting unit is electrically connected with the input end of described DATA REASONING unit, the first test lead of described DATA REASONING unit is electrically connected with described silicone oil oil sump temperature test lead, the second test lead of described DATA REASONING unit is electrically connected with described platinum resistance temperature sense probe, and the output terminal of described DATA REASONING unit is electrically connected with described upper control system input.
6. the temperature controller performance testing device of contactless heating according to claim 2, it is characterized in that: described heating arrangement is the non-contact inductive heating arrangement.
7. the temperature controller performance testing device of contactless heating according to claim 6, it is characterized in that: described non-contact inductive heating arrangement carries out Frequency Induction Heating to heating device.
CN 201220232160 2012-05-23 2012-05-23 Non-contact heating temperature controller performance test device Expired - Fee Related CN202711055U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102799168A (en) * 2012-05-23 2012-11-28 浙江出入境检验检疫局检验检疫技术中心 Non-contact heating temperature controller performance testing device
CN103744418A (en) * 2013-12-28 2014-04-23 柳州力通车用空调有限公司 Air conditioner temperature controller detecting apparatus
CN112255474A (en) * 2020-09-10 2021-01-22 中国电子产品可靠性与环境试验研究所((工业和信息化部电子第五研究所)(中国赛宝实验室)) Chip near-field scanning system and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102799168A (en) * 2012-05-23 2012-11-28 浙江出入境检验检疫局检验检疫技术中心 Non-contact heating temperature controller performance testing device
CN103744418A (en) * 2013-12-28 2014-04-23 柳州力通车用空调有限公司 Air conditioner temperature controller detecting apparatus
CN112255474A (en) * 2020-09-10 2021-01-22 中国电子产品可靠性与环境试验研究所((工业和信息化部电子第五研究所)(中国赛宝实验室)) Chip near-field scanning system and method

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130130

Termination date: 20140523

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