CN105181729A - Performance test device of temperature sensitive element - Google Patents
Performance test device of temperature sensitive element Download PDFInfo
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- CN105181729A CN105181729A CN201510573307.5A CN201510573307A CN105181729A CN 105181729 A CN105181729 A CN 105181729A CN 201510573307 A CN201510573307 A CN 201510573307A CN 105181729 A CN105181729 A CN 105181729A
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Abstract
The invention relates to a performance test device of a temperature sensitive element. The performance test device comprises a test board and a heating trough, wherein a heat transfer medium, a heater and a temperature sensor are arranged in the heating trough; at least one detection tool which is driven by a lifting device and can move up and down is arranged right above the heating trough, the detection tool comprises detection seats, raster detection heads and clamps, each clamp is internally provided with a moving groove, a U-shaped groove, a pressure head, a pressure rod and a spring, and the upper end of each pressure rod corresponds to a raster detection head; the test board is provided with a control panel, buttons, a display frame and a display device, and the performance test device also comprises a controller, and the buttons, the heater, the temperature sensor, the raster detection heads and the display device are respectively electrically connected with the controller. The performance test device has beneficial effects: a special device is used for automatically testing the temperature sensitive element, is not only simple and compact in structure, convenient and rapid to test and high in test efficiency, but also is high in accuracy, and can guarantee the quality of the temperature sensitive element; meanwhile, whether the temperature sensitive element is qualified or not can be automatically judged and can be displayed by virtue of the display device, and the operation is convenient and intuitive.
Description
Technical field
The present invention relates to a kind of performance test apparatus of temperature-sensing element.
Background technology
Temperature-sensing element, as temperature feedback controller part, is widely used in the various occasion needing to control temperature, as the field such as air-conditioning, refrigerator.Temperature-sensing element has polytype, the type of main application is temperature-sensing wax type temperature-sensing element at present, and its principle of work is the change utilizing the phase-change characteristic of temperature-sensing wax to carry out sense ambient temperature, is mechanical energy by thermal energy, the push rod promoting temperature-sensing element moves, thus realizes the automatic control of various function.For this reason, temperature-sensing element must correct sense ambient temperature, and can promote push rod and produce path increment and thrust accurately.At present, generally adopt manual test to the performance test of temperature-sensing element, not only testing efficiency is low, and the accuracy of test is lower, cannot ensure the quality of temperature-sensing element.
Summary of the invention
There is above-mentioned deficiency to overcome in prior art, the invention provides a kind of performance test apparatus of simple and compact for structure, convenient test is quick, testing efficiency is high, accuracy is high temperature-sensing element.
The technical scheme that the present invention solves its technical matters is: a kind of performance test apparatus of temperature-sensing element, comprise test board, this test board is provided with heating tank, the well heater be provided with heat transfer medium in this heating tank, heating to this heat transfer medium and the temperature sensor measured the Current Temperatures of this heat transfer medium;
Be provided with at least one directly over described heating tank driven by jacking gear and can go up, the detection frock of lower movement, this detection frock comprises detection seat, be located at the Grating examinations head on the upside of this detection seat, and the fixture be located on the downside of this detection seat, vertically loose slot is provided with in this fixture, the diapire of this loose slot runs through the U-lag had towards open front, be provided with along on described loose slot in this loose slot, the pressure head of lower slider, this pressure head is provided with depression bar, the upper end of this depression bar to pass and relative with described Grating examinations head from the roof of described loose slot, described depression bar is set with the spring between the roof being supported on described pressure head and described loose slot outward,
Described test board is provided with control panel and display frame, described control panel is provided with button, described display frame is provided with display, also comprises a controller, and described button, well heater, temperature sensor, Grating examinations head and display are all electrically connected with described controller.
Further, described test board is provided with and is driven and the cooling bath that can move around by mobile device, can be positioned at immediately below described detection frock, be provided with heat eliminating medium in this cooling bath when this cooling bath moves into place.
Further, described mobile device comprises the lateral cylinder of also horizontally set outside two both sides being positioned at described heating tank, and the two ends of described cooling bath are separately fixed on the output terminal of two described lateral cylinders.
Further, described jacking gear comprises the vertical vertical cylinder arranged, and the output terminal of this vertical cylinder is connected with described detection seat.
Further, described detection frock has five and spacing side by side is arranged on directly over described heating tank, described jacking gear also has five and corresponding with described detection frock one by one, described display have five and one by one with detection frock corresponding, it is six right that described button has, wherein five is corresponding with described detection frock one by one to described button, and described in remaining a pair, button is total control switch.
The present invention in use, well heater heats the heat transfer medium in heating tank, and the temperature of temperature sensor to heat transfer medium controls thus meet the probe temperature of temperature-sensing element, then temperature-sensing element is put in the U-lag on fixture, temperature-sensing element there is the spacing upside at U-lag of individual step, thus can not drop downwards in U-lag, then pressure head is pressed on the push rod of temperature-sensing element under the action of the spring, so, detect in frock at each and all install temperature-sensing element, then all buttons are pressed, also total control switch and corresponding button can be pressed as required, then vertical cylinder drives corresponding detection seat to move down, detect the Grating examinations head on seat, fixture, and temperature-sensing element moves down, the bottom of fixture and temperature-sensing element stretch in the heat transfer medium of heating tank, temperature-sensing element is heated generation action thus promote the push rod on temperature-sensing element moves, push rod promotes pressure head and depression bar move, depression bar touches Grating examinations head, journey that the push rod of temperature-sensing element is divided a word with a hyphen at the end of a line is passed to controller by Grating examinations head, the temperature value of controller detected by temperature sensor and the stroke value detected by Grating examinations head thus carry out automatic decision to whether temperature-sensing element is qualified, and display shows whether the temperature-sensing element in corresponding detection frock is qualified, very directly perceived, and multiple temperature-sensing element can be tested on same equipment, throughput rate is high, after detection completes, vertical cylinder drives on corresponding detection seat and moves, detect the Grating examinations head on seat, fixture and temperature-sensing element move, then lateral cylinder drives cooling bath to move to immediately below detection frock, then vertical cylinder drive corresponding detection seat and on Grating examinations head, fixture and temperature-sensing element move down, cool in the heat eliminating medium that temperature-sensing element stretches into cooling bath, after cooling, vertical cylinder drive corresponding detection seat and on Grating examinations head, position retracted by fixture and temperature-sensing element, and lateral cylinder drives cooling bath return, then temperature-sensing element is taken off.
Beneficial effect of the present invention is: adopt special equipment to carry out automatic test to temperature-sensing element, not only simple and compact for structure, convenient test is quick, testing efficiency is high, and accuracy is high, ensure that the quality of temperature-sensing element, simultaneously can automatization judgement temperature-sensing element performance whether qualified and shown by display, intuitively easy to operate.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the cut-open view of detection frock of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
With reference to Fig. 1, Fig. 2, a kind of performance test apparatus of temperature-sensing element, comprise test board 1, this test board is provided with heating tank 2, the well heater be provided with heat transfer medium in this heating tank 2, heating to this heat transfer medium and the temperature sensor measured the Current Temperatures of this heat transfer medium;
Be provided with at least one directly over described heating tank 2 driven by jacking gear and can go up, the detection frock of lower movement, this detection frock comprises detection seat 3, be located at the Grating examinations head 4 on the upside of this detection seat 3, and the fixture 18 be located on the downside of this detection seat 3, loose slot 5 is vertically provided with in this fixture 18, the diapire of this loose slot 5 runs through the U-lag 6 had towards open front, be provided with in this loose slot 5 along on described loose slot, the pressure head 7 of lower slider, this pressure head 7 is provided with depression bar 8, the upper end of this depression bar 7 to pass and relative with described Grating examinations head 4 from the roof of described loose slot, the outer suit of described depression bar 7 is supported on the spring 9 between the roof of described pressure head and described loose slot,
Described test board 1 is provided with control panel 10 and display frame 11, described control panel 10 is provided with button 12, described display frame 11 is provided with display 13, also comprise a controller, described button 12, well heater, temperature sensor, Grating examinations head 4 and display 13 are all electrically connected with described controller.
Described test board 1 is provided with and is driven and the cooling bath 14 that can move around by mobile device, can be positioned at immediately below described detection frock, be provided with heat eliminating medium in this cooling bath 14 when this cooling bath moves into place.
Described mobile device comprises the lateral cylinder 15 of also horizontally set outside two both sides being positioned at described heating tank 2, and the two ends of described cooling bath 14 are separately fixed on the output terminal of two described lateral cylinders 15.
Described jacking gear comprises the vertical vertical cylinder 16 arranged, and the output terminal of this vertical cylinder is connected with described detection seat 3.
Described detection frock has five and spacing side by side is arranged on directly over described heating tank, described jacking gear also has five and corresponding with described detection frock one by one, described display have five and one by one with detection frock corresponding, it is six right that described button has, wherein five is corresponding with described detection frock one by one to described button, and described in remaining a pair, button is total control switch.
The present invention in use, well heater heats the heat transfer medium in heating tank 2, and the temperature of temperature sensor to heat transfer medium controls thus meet the probe temperature of temperature-sensing element, then temperature-sensing element 17 is put in the U-lag 6 on fixture 18, temperature-sensing element 17 there is the spacing upside at U-lag 6 of individual step, thus can not drop downwards in U-lag, then pressure head 7 is pressed on the push rod of temperature-sensing element 9 under the effect of spring 9, so, detect in frock at each and all install temperature-sensing element, then all buttons 12 are pressed, also total control switch and corresponding button can be pressed as required, then vertical cylinder 16 drives corresponding detection seat 3 to move down, detect the Grating examinations head 4 on seat, fixture 18, and temperature-sensing element 17 moves down, the bottom of fixture 18 and temperature-sensing element stretch in the heat transfer medium of heating tank 2, temperature-sensing element is heated generation action thus promote the push rod on temperature-sensing element moves, push rod promotes pressure head 7 and depression bar 8 move, depression bar touches Grating examinations head 4, journey that the push rod of temperature-sensing element is divided a word with a hyphen at the end of a line is passed to controller by Grating examinations head 4, the temperature value of controller detected by temperature sensor and the stroke value detected by Grating examinations head 4 thus carry out automatic decision to whether temperature-sensing element is qualified, and display 13 shows whether the temperature-sensing element 17 in corresponding detection frock is qualified, very directly perceived, and multiple temperature-sensing element can be tested on same equipment, throughput rate is high, after detection completes, vertical cylinder 16 drives on corresponding detection seat and moves, detect the Grating examinations head 4 on seat 3, fixture 18 and temperature-sensing element 17 move, then lateral cylinder 15 drives cooling bath 14 to move to immediately below detection frock, then vertical cylinder 16 drive corresponding detection seat 3 and on Grating examinations head 4, fixture 18 and temperature-sensing element 17 move down, cool in the heat eliminating medium that temperature-sensing element stretches into cooling bath 14, after cooling, vertical cylinder 16 drive corresponding detection seat 3 and on Grating examinations head 4, position retracted by fixture 18 and temperature-sensing element 17, and lateral cylinder 15 drives cooling bath 14 return, then temperature-sensing element 17 is taken off.
Claims (5)
1. the performance test apparatus of a temperature-sensing element, it is characterized in that: comprise test board, this test board is provided with heating tank, the well heater be provided with heat transfer medium in this heating tank, heating to this heat transfer medium and the temperature sensor measured the Current Temperatures of this heat transfer medium;
Be provided with at least one directly over described heating tank driven by jacking gear and can go up, the detection frock of lower movement, this detection frock comprises detection seat, be located at the Grating examinations head on the upside of this detection seat, and the fixture be located on the downside of this detection seat, vertically loose slot is provided with in this fixture, the diapire of this loose slot runs through the U-lag had towards open front, be provided with along on described loose slot in this loose slot, the pressure head of lower slider, this pressure head is provided with depression bar, the upper end of this depression bar to pass and relative with described Grating examinations head from the roof of described loose slot, described depression bar is set with the spring between the roof being supported on described pressure head and described loose slot outward,
Described test board is provided with control panel and display frame, described control panel is provided with button, described display frame is provided with display, also comprises a controller, and described button, well heater, temperature sensor, Grating examinations head and display are all electrically connected with described controller.
2. according to the performance test apparatus of temperature-sensing element according to claim 1, it is characterized in that: described test board is provided with and is driven and the cooling bath that can move around by mobile device, can be positioned at when this cooling bath moves into place immediately below described detection frock, in this cooling bath, be provided with heat eliminating medium.
3. according to the performance test apparatus of temperature-sensing element according to claim 2, it is characterized in that: described mobile device comprises the lateral cylinder of also horizontally set outside two both sides being positioned at described heating tank, and the two ends of described cooling bath are separately fixed on the output terminal of two described lateral cylinders.
4. according to the performance test apparatus of the temperature-sensing element one of claim 1 ~ 3 Suo Shu, it is characterized in that: described jacking gear comprises the vertical vertical cylinder arranged, and the output terminal of this vertical cylinder is connected with described detection seat.
5. according to the performance test apparatus of temperature-sensing element according to claim 4, it is characterized in that: described detection frock has five and spacing side by side is arranged on directly over described heating tank, described jacking gear also has five and corresponding with described detection frock one by one, described display have five and one by one with detection frock corresponding, it is six right that described button has, wherein five is corresponding with described detection frock one by one to described button, and described in remaining a pair, button is total control switch.
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| CN201510573307.5A CN105181729B (en) | 2015-09-10 | 2015-09-10 | A kind of performance test apparatus of temperature-sensing element |
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| CN201510573307.5A CN105181729B (en) | 2015-09-10 | 2015-09-10 | A kind of performance test apparatus of temperature-sensing element |
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| CN105181729A true CN105181729A (en) | 2015-12-23 |
| CN105181729B CN105181729B (en) | 2018-12-25 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105640509A (en) * | 2016-01-04 | 2016-06-08 | 中国计量学院 | Loading device for verifying electronic thermometer |
| CN106225956A (en) * | 2016-08-31 | 2016-12-14 | 芜湖天宇科技开发有限公司 | Temperature sensor multichannel resistance monitor station and detection method thereof |
| CN106984553A (en) * | 2017-05-18 | 2017-07-28 | 慈溪市东南复合材料有限公司 | A kind of temperature-sensing element self-checking device |
| CN107238625A (en) * | 2017-07-26 | 2017-10-10 | 芜湖富春染织股份有限公司 | Dyed yarn thermal contraction detection means |
| CN108435581A (en) * | 2018-01-31 | 2018-08-24 | 广州加杰精密机械有限公司 | A kind of cold and hot survey machine |
| CN109540310A (en) * | 2019-01-08 | 2019-03-29 | 贵州大学 | A kind of mechanical equipment temperature-detecting device |
| CN110763357A (en) * | 2019-11-08 | 2020-02-07 | 江苏科技大学 | Capacitive temperature sensor and use method |
| CN111813081A (en) * | 2020-07-02 | 2020-10-23 | 佛山市利涛电子科技有限公司 | Temperature controller life test equipment |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105640509A (en) * | 2016-01-04 | 2016-06-08 | 中国计量学院 | Loading device for verifying electronic thermometer |
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| CN106984553A (en) * | 2017-05-18 | 2017-07-28 | 慈溪市东南复合材料有限公司 | A kind of temperature-sensing element self-checking device |
| CN106984553B (en) * | 2017-05-18 | 2022-09-13 | 慈溪市东南复合材料有限公司 | Automatic inspection equipment for temperature-sensing element |
| CN107238625A (en) * | 2017-07-26 | 2017-10-10 | 芜湖富春染织股份有限公司 | Dyed yarn thermal contraction detection means |
| CN108435581A (en) * | 2018-01-31 | 2018-08-24 | 广州加杰精密机械有限公司 | A kind of cold and hot survey machine |
| CN108435581B (en) * | 2018-01-31 | 2019-11-19 | 广州加杰精密机械有限公司 | A kind of cold and hot survey machine |
| CN109540310A (en) * | 2019-01-08 | 2019-03-29 | 贵州大学 | A kind of mechanical equipment temperature-detecting device |
| CN110763357A (en) * | 2019-11-08 | 2020-02-07 | 江苏科技大学 | Capacitive temperature sensor and use method |
| CN111813081A (en) * | 2020-07-02 | 2020-10-23 | 佛山市利涛电子科技有限公司 | Temperature controller life test equipment |
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| CN105181729B (en) | 2018-12-25 |
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