CN103433082A - High-low temperature impact test box with humidifying and heating functions - Google Patents
High-low temperature impact test box with humidifying and heating functions Download PDFInfo
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- CN103433082A CN103433082A CN2013102878779A CN201310287877A CN103433082A CN 103433082 A CN103433082 A CN 103433082A CN 2013102878779 A CN2013102878779 A CN 2013102878779A CN 201310287877 A CN201310287877 A CN 201310287877A CN 103433082 A CN103433082 A CN 103433082A
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Abstract
The invention discloses a high-low temperature impact test box with humidifying and heating functions. The test box is an enclosed space mainly composed of a test box body, a heat-insulation layer and a door, wherein one side in the enclosed space is provided with at least one heating channel, one side of the heating channel is provided with at least one refrigerating and humidifying channel, and a test area is formed among a channel baffle plate, an air inlet baffle plate, an air outlet baffle plate, the box body and the door.
Description
Technical field
The present invention relates to a kind of environmental test equipment field, relate in particular to a kind of low temperature impact test box with damp and hot function.
Background technology
Low temperature impact test box is typically designed to the form of high-temperature region, three warm areas of low-temperature space and trial zone, be provided with air-out, return air pneumatic air door or MOD between each warm area, high-temperature region is provided with powerful heater, blower motor, and low-temperature space is provided with evaporimeter, regenerator, heater, blower motor; The regenerator of low-temperature space adopts aluminium sheet to make usually, and while needing cold-storage, low-temperature space gas carries out the lower temperature of heat exchange acquisition by evaporimeter, then carries out heat exchange with regenerator, thereby reduces the temperature of regenerator; Because the heat exchanger effectiveness of one side gas side is low, the second heat exchange has also caused the further reduction of heat exchanger effectiveness on the other hand, so the low-temperature space cool-storage time is long; If use the occasion short at cool-storage time, the configuration that needs to increase refrigeration unit and regenerator, cause cost to increase considerably; When low-temperature impact or low temperature are constant, if cold is excessive, the heater work that low-temperature space arranges, offset unnecessary cold, this has caused the waste of the energy on the one hand, heater due to low-temperature space can not be used to the rising temperature by high-temperature region on the other hand, high temperature is constant, and it is constant for the temperature that raises, high temperature that the heater of high-temperature region need to configure larger power, causes the significantly increase of chamber allocating power, operating cost; In addition, owing to not configuring humidification system, chamber does not possess damp and hot function, if need to do damp heat test, buying, with the chamber of damp and hot function, causes significantly increasing and extra using area of purchase cost in addition.
Summary of the invention
The object of the present invention is to provide a kind of low temperature impact test box that solves described problem.
To achieve these goals, technical scheme of the present invention is: a kind of low temperature impact test box with damp and hot function is provided, described chamber is mainly formed the space of a sealing by test casing, heat-insulation layer, door, a side in described enclosure space is provided with heat tunnel, one side of described heat tunnel is provided with refrigeration, adds wet channel, between channel blind and casing, forms pilot region.
Described heat tunnel at least is equipped with one group of blower motor and corresponding fan, heat tunnel inside at least is equipped with one group of heater, and heater is positioned at air inlet one side of fan, the heat tunnel side at least is equipped with a MOD, and be positioned at air inlet one side of fan, separate by channel partition, upper and lower two baffle plates that are designed with air vent between heat tunnel and pilot region.
Described refrigeration, humidification passage are positioned at air inlet one side of fan.
Described refrigeration, add wet channel one group of evaporimeter at least is installed, evaporator surface at least is equipped with one group of temperature sensor, described refrigeration, add wet channel one group of humidification system at least is installed, and humidification basin, humidifier are positioned at refrigeration, add the bottom of wet channel, freeze, add between wet channel and heat tunnel and separate by upper and lower two MODs.
Described pilot region at least is equipped with a MOD and an air-pressure balancing device.
Described air outlet baffle plate air outlet place is equipped with at least one group of temperature-humidity sensor.
Compared with prior art, due in the low temperature impact test box with damp and hot function of the present invention, heat tunnel 20b is installed, independently freezes and add wet channel 20c, and heat tunnel 20b, freezing and adding wet channel 20c shares one group of blower motor, chamber is done high temperature impact, high-temperature constant regularly, freeze, add wet channel 20c and do not participate in test, MOD 11b, 11c are in closed condition; Heat tunnel 20b participates in test, and MOD 11d is in open mode.18 runnings of controller drive drum wind turbine, blower motor 18 drives fan 19 and rotates, fan 19 drives the gas in heat tunnel 20b to move toward pilot region 20a, cause thus the malleation of heat tunnel 20b internal fan 19 air outlet one sides and the negative pressure of air inlet one side, under the acting in conjunction of fan 19 air outlet one side malleations and air inlet one side negative pressure, the air vent of gas on air inlet baffle plate 21 in case, MOD 11d flows into heat tunnel 20b, and after heater via 15 pretreatment, air vent under the driving of fan 19 from air outlet baffle plate 22 is discharged, enter pilot region 20a, the temperature of adjusting test zone 20a, finally be back to the bottom of pilot region 20a, again by the air vent on air inlet baffle plate 21, MOD 11d enters heat tunnel 20b, enter next gas treatment circulation.The gas treatment circulation is a continuous process.The temperature value that impact temperature, thermal recovery time and the pilot region 20a temperature sensor that controller is set according to chamber detects, carry out the PID adjusting to adding heat as required, the aperture of regulating as required MOD 11a, 11e simultaneously, thereby realize being rapidly heated of pilot region 20a, the impact that reaches a high temperature, the constant purpose of high temperature.Chamber is done high temperature impact, high-temperature constant regularly, refrigeration unit work, and carry out cold-storage work by the evaporimeter 12 that freezes, adds in wet channel 20c.The temperature value that on cold-storage temperature, thermal recovery time and evaporimeter 12 that controller is set according to chamber, temperature sensor detects, carry out the PID adjusting to refrigerating capacity as required.When low-temperature impact, the constant test of low temperature are done in chamber, heater 15 does not participate in test, and MOD 11a, 11d, 11e are in closed condition, freeze, add wet channel 20c and participate in test, refrigeration unit work, and carry out the exchange of cold by the evaporimeter 12 that freezes, adds in wet channel 20c, MOD 11b, 11c are in open mode, 18 runnings of controller drive drum wind turbine, blower motor 18 drives fan 19 and rotates, fan 19 drives the gas in heat tunnel 20b to move toward pilot region 20a, cause thus the malleation of heat tunnel 20b internal fan 19 air outlet one sides and the negative pressure of air inlet one side, under the acting in conjunction of fan 19 air outlet one side malleations and air inlet one side negative pressure, the air vent of gas on air inlet baffle plate 21 in case, MOD 11c flows into refrigeration, add wet channel 20c, and after evaporimeter 12 pretreatment, enter heat tunnel 20b by MOD 11b, air vent under the driving of fan 19 from air outlet baffle plate 22 is discharged, enter pilot region 20a, the temperature of adjusting test zone 20a, finally be back to the bottom of pilot region 20a, again by the air vent on air inlet baffle plate 21, MOD 11c enters refrigeration, add wet channel 20c, enter next gas treatment circulation.The gas treatment circulation is a continuous process.The temperature value that impact temperature, thermal recovery time and the pilot region 20a temperature sensor that controller is set according to chamber detects, as required refrigerating capacity is carried out to the PID adjusting, the aperture of regulating as required MOD 11b, 11c simultaneously, thereby realize the fast cooling of pilot region 20a, reach low-temperature impact, the constant purpose of low temperature.When damp heat test is done in chamber, heater 15 and refrigeration, add wet channel 20c and participate in test, MOD 11b, 11c, 11d are in open mode, 18 runnings of controller drive drum wind turbine, blower motor 18 drives fan 19 and rotates, fan 19 drives the gas in heat tunnel 20b to move toward pilot region 20a, cause thus the malleation of heat tunnel 20b internal fan 19 air outlet one sides and the negative pressure of air inlet one side, under the acting in conjunction of fan 19 air outlet one side malleations and air inlet one side negative pressure, the air vent admission passage of gas on air inlet baffle plate 21 in case, part gas flows into heat tunnel 20b via MOD 11d, and heater via 15 pretreatment, a part of gas flows into refrigeration via MOD 11c in addition, add wet channel 20c, and through humidification system 23, after evaporimeter 12 pretreatment, enter heat tunnel 20b and converge with the pretreated gas of heater via 15 by MOD 11b, air vent under the driving of fan 19 from air outlet baffle plate 22 is discharged, enter pilot region 20a, the temperature of adjusting test zone 20a, humidity, finally be back to the bottom of pilot region 20a, again by the air vent admission passage on air inlet baffle plate 21, enter next gas treatment circulation.The gas treatment circulation is a continuous process.Temperature value, humidity value that temperature, humidity and the pilot region 20a temperature-humidity sensor that controller is set according to chamber detects, carry out the PID adjusting to adding heat, humidification amount, refrigerating capacity as required, simultaneously regulate as required the aperture of MOD 11a, 11b, 11c, 11d, 11e, thus realize pilot region 20a temperature, humidity evenly, stable.
The present invention has following beneficial effect:
1, heat tunnel 20b, freezing and adding wet channel 20c shares one group of blower motor 18 and corresponding fan 19, the design that simplifies the structure, reduced the use of material, reduced manufacturing cost.
2, cancel refrigeration, added the heater of wet channel, reduced general power and the operating cost of chamber.
3, refrigerating channel has increased by one group of humidification system, makes chamber possess damp and hot function.
4, evaporimeter 12 is designed to have concurrently the function of regenerator, has reduced the heat exchange link, has improved the heat exchange efficiency of regenerator, has shortened cool-storage time, has reduced the configuration of compressor bank, has reduced accordingly manufacture and operating cost.
5, be designed with one group and extraneous air door 11a, the 11e communicated, make the chamber can be in the situation that do not open compressor bank as high temperature, the occasion such as hot and humid, take full advantage of ambient air " low-temperature receiver " as a supplement, simultaneously, under the controller with cold junction PID function is controlled, the PID that has realized refrigerating capacity regulates, and the cold-hot counteraction of having avoided cold more than needed to cause has reached purpose energy-conservation, that extend the chamber life-span.
6, chamber all realized the automatic adjusting of controller due to intensification, cooling, constant temperature, the damp heat test of chamber, so, as long as will need the setting parameter of test good in use, just can move by the parameter set, thereby realizes intelligentized control.
By following description also by reference to the accompanying drawings, it is more clear that the present invention will become, and these accompanying drawings are for explaining embodiments of the invention.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 50. chambers, 10. test casing, 10a. insulation material, 11a. MOD, 11b. MOD, 11c. MOD, 11d. MOD, 11e. MOD, 12. evaporimeter, 13. refrigeration and humidification passage casing, 14. channel partition, 15. heater, 16. channel partition, 17. air-pressure balancing device, 18. blower motor, 19. fan, 20a. pilot region, 20b. heat tunnel, 20c. refrigeration and add wet channel, 21. air inlet baffle plate, 22. air outlet baffle plate.
The specific embodiment
Illustrate that by Fig. 1 an embodiment of the invention are as follows.With reference now to accompanying drawing 1, describe embodiments of the invention, in accompanying drawing, identical element numbers represents similar element.As mentioned above, as shown in Figure 1, the low temperature impact test box with damp and hot function 50 provided by the invention, it comprises:
As shown in Figure 1, chamber mainly consists of the space of a sealing the test chamber door of testing casing 10, heat-insulation layer 10a and do not indicate in the drawings.
Refrigeration, add wet channel 20c inside one group of evaporimeter 12 at least is installed, and evaporator surface at least is equipped with one group of temperature sensor.
Air outlet baffle plate 22 air outlet places at least are equipped with one group of temperature-humidity sensor.
Chamber is done high temperature impact, high-temperature constant regularly, freezes, adds wet channel 20c and do not participate in test, and MOD 11b, 11c are in closed condition; Heat tunnel 20b participates in test, and MOD 11d is in open mode.18 runnings of controller drive drum wind turbine, blower motor 18 drives fan 19 and rotates, fan 19 drives the gas in heat tunnel 20b to move toward pilot region 20a, cause thus the malleation of heat tunnel 20b internal fan 19 air outlet one sides and the negative pressure of air inlet one side, under the acting in conjunction of fan 19 air outlet one side malleations and air inlet one side negative pressure, the air vent of gas on air inlet baffle plate 21 in case, MOD 11d flows into heat tunnel 20b, and after heater via 15 pretreatment, air vent under the driving of fan 19 from air outlet baffle plate 22 is discharged, enter pilot region 20a, the temperature of adjusting test zone 20a, finally be back to the bottom of pilot region 20a, again by the air vent on air inlet baffle plate 21, MOD 11d enters heat tunnel 20b, enter next gas treatment circulation.The gas treatment circulation is a continuous process.The temperature value that impact temperature, thermal recovery time and the pilot region 20a temperature sensor that controller is set according to chamber detects, carry out the PID adjusting to adding heat as required, the aperture of regulating as required MOD 11a, 11e simultaneously, thereby realize being rapidly heated of pilot region 20a, the impact that reaches a high temperature, the constant purpose of high temperature.Chamber is done high temperature impact, high-temperature constant regularly, refrigeration unit work, and carry out cold-storage work by the evaporimeter 12 that freezes, adds in wet channel 20c.The temperature value that on cold-storage temperature, thermal recovery time and evaporimeter 12 that controller is set according to chamber, temperature sensor detects, carry out the PID adjusting to refrigerating capacity as required.When low-temperature impact, the constant test of low temperature are done in chamber, heater 15 does not participate in test, and MOD 11a, 11d, 11e are in closed condition, freeze, add wet channel 20c and participate in test, refrigeration unit work, and carry out the exchange of cold by the evaporimeter 12 that freezes, adds in wet channel 20c, MOD 11b, 11c are in open mode, 18 runnings of controller drive drum wind turbine, blower motor 18 drives fan 19 and rotates, fan 19 drives the gas in heat tunnel 20b to move toward pilot region 20a, cause thus the malleation of heat tunnel 20b internal fan 19 air outlet one sides and the negative pressure of air inlet one side, under the acting in conjunction of fan 19 air outlet one side malleations and air inlet one side negative pressure, the air vent of gas on air inlet baffle plate 21 in case, MOD 11c flows into refrigeration, add wet channel 20c, and after evaporimeter 12 pretreatment, enter heat tunnel 20b by MOD 11b, air vent under the driving of fan 19 from air outlet baffle plate 22 is discharged, enter pilot region 20a, the temperature of adjusting test zone 20a, finally be back to the bottom of pilot region 20a, again by the air vent on air inlet baffle plate 21, MOD 11c enters refrigeration, add wet channel 20c, enter next gas treatment circulation.The gas treatment circulation is a continuous process.The temperature value that impact temperature, thermal recovery time and the pilot region 20a temperature sensor that controller is set according to chamber detects, as required refrigerating capacity is carried out to the PID adjusting, the aperture of regulating as required MOD 11b, 11c simultaneously, thereby realize the fast cooling of pilot region 20a, reach low-temperature impact, the constant purpose of low temperature.When damp heat test is done in chamber, heater 15 and refrigeration, add wet channel 20c and participate in test, MOD 11b, 11c, 11d are in open mode, 18 runnings of controller drive drum wind turbine, blower motor 18 drives fan 19 and rotates, fan 19 drives the gas in heat tunnel 20b to move toward pilot region 20a, cause thus the malleation of heat tunnel 20b internal fan 19 air outlet one sides and the negative pressure of air inlet one side, under the acting in conjunction of fan 19 air outlet one side malleations and air inlet one side negative pressure, the air vent admission passage of gas on air inlet baffle plate 21 in case, part gas flows into heat tunnel 20b via MOD 11d, and heater via 15 pretreatment, a part of gas flows into refrigeration via MOD 11c in addition, add wet channel 20c, and through humidification system 23, after evaporimeter 12 pretreatment, enter heat tunnel 20b and converge with the pretreated gas of heater via 15 by MOD 11b, air vent under the driving of fan 19 from air outlet baffle plate 22 is discharged, enter pilot region 20a, the temperature of adjusting test zone 20a, humidity, finally be back to the bottom of pilot region 20a, again by the air vent admission passage on air inlet baffle plate 21, enter next gas treatment circulation.The gas treatment circulation is a continuous process.Temperature value, humidity value that temperature, humidity and the pilot region 20a temperature-humidity sensor that controller is set according to chamber detects, carry out the PID adjusting to adding heat, humidification amount, refrigerating capacity as required, simultaneously regulate as required the aperture of MOD 11a, 11b, 11c, 11d, 11e, thus realize pilot region 20a temperature, humidity evenly, stable.
Chamber does high temperature impact, be rapidly heated or during high temperature and humidity test, if the case internal pressure is higher than external atmospheric pressure, by air-pressure balancing device 17 pressure releases, until the case external and internal pressure reaches poised state.
When the test of low temperature or fast cooling is done in chamber, if the case internal pressure lower than external atmospheric pressure, ambient atmosphere enters in case by air-pressure balancing device 17, until the case external and internal pressure reaches poised state.
Above disclosed is only the preferred embodiments of the present invention, certainly can not limit with this interest field of the present invention, and the equivalent variations of therefore doing according to the present patent application the scope of the claims, still belong to the scope that the present invention is contained.
Claims (6)
1. the low temperature impact test box with damp and hot function, it is characterized in that, described chamber is mainly formed the space of a sealing by test casing, heat-insulation layer, door, a side in described enclosure space is provided with at least one heat tunnel, one side of described heat tunnel is provided with at least one refrigeration, adds wet channel, between channel blind, air inlet baffle plate, air outlet baffle plate, casing and door, forms a pilot region.
2. the low temperature impact test box with damp and hot function as claimed in claim 1, it is characterized in that, described heat tunnel at least is equipped with one group of blower motor and corresponding fan, heat tunnel inside at least is equipped with one group of heater, and heater is positioned at air inlet one side of fan, the heat tunnel side at least is equipped with a MOD, and is positioned at air inlet one side of fan, between heat tunnel and pilot region, by channel partition, upper and lower two baffle plates that are designed with air vent, separates.
3. the low temperature impact test box with damp and hot function as claimed in claim 2, is characterized in that, described refrigeration, humidification passage are positioned at air inlet one side of fan.
4. the low temperature impact test box with damp and hot function as claimed in claim 3, it is characterized in that, described refrigeration, add wet channel one group of evaporimeter at least is installed, evaporator surface at least is equipped with one group of temperature sensor, described refrigeration, add wet channel one group of humidification system at least is installed, and humidification basin, humidifier are positioned at refrigeration, add the bottom of wet channel, freeze, add between wet channel and heat tunnel and separate by upper and lower two MODs.
5. the low temperature impact test box with damp and hot function as claimed in claim 1, is characterized in that, described pilot region at least is equipped with a MOD and an air-pressure balancing device.
6. the low temperature impact test box with damp and hot function as claimed in claim 1, is characterized in that, described air outlet baffle plate air outlet place is equipped with at least one group of temperature-humidity sensor.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107349973A (en) * | 2017-09-01 | 2017-11-17 | 合肥风生水起信息科技有限公司 | A kind of GDJS |
| CN108786939A (en) * | 2018-08-29 | 2018-11-13 | 北斗航天汽车（北京）有限公司 | High temperature and humidity test device |
| CN109520880A (en) * | 2018-12-04 | 2019-03-26 | 中国航空工业集团公司西安飞机设计研究所 | A kind of realization testpieces two sides temperature field environment test device |
| CN110261231A (en) * | 2019-06-12 | 2019-09-20 | 西安理工大学 | A kind of quiet dynamic triaxial tests device of temperature control based on MTS power source |
| CN112985768A (en) * | 2021-03-22 | 2021-06-18 | 广州斯派克环境仪器有限公司 | High-low temperature test device for optical system |
| CN114963679A (en) * | 2021-12-31 | 2022-08-30 | 重庆阿泰可科技股份有限公司 | Temperature change equipment and temperature reduction method thereof |
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| CN201357073Y (en) * | 2009-01-22 | 2009-12-09 | 重庆哈丁科技有限公司 | High/low temperature alternating temperature humidity teat box |
| CN202460642U (en) * | 2012-01-06 | 2012-10-03 | 广州东之旭试验设备有限公司 | Thermal shock test box |
| CN203355745U (en) * | 2013-07-09 | 2013-12-25 | 广州国技试验仪器有限公司 | High and low temperature impact test chamber with hot-humid function |
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| JPS59129335A (en) * | 1983-01-11 | 1984-07-25 | Hitachi Ltd | Thermo-hygrostat |
| JPH0557652U (en) * | 1991-12-27 | 1993-07-30 | タバイエスペック株式会社 | Temperature cycle device |
| CN201357073Y (en) * | 2009-01-22 | 2009-12-09 | 重庆哈丁科技有限公司 | High/low temperature alternating temperature humidity teat box |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107349973A (en) * | 2017-09-01 | 2017-11-17 | 合肥风生水起信息科技有限公司 | A kind of GDJS |
| CN108786939A (en) * | 2018-08-29 | 2018-11-13 | 北斗航天汽车（北京）有限公司 | High temperature and humidity test device |
| CN109520880A (en) * | 2018-12-04 | 2019-03-26 | 中国航空工业集团公司西安飞机设计研究所 | A kind of realization testpieces two sides temperature field environment test device |
| CN110261231A (en) * | 2019-06-12 | 2019-09-20 | 西安理工大学 | A kind of quiet dynamic triaxial tests device of temperature control based on MTS power source |
| CN112985768A (en) * | 2021-03-22 | 2021-06-18 | 广州斯派克环境仪器有限公司 | High-low temperature test device for optical system |
| CN112985768B (en) * | 2021-03-22 | 2023-09-29 | 广州斯派克环境仪器有限公司 | Optical system high-low temperature test device |
| CN114963679A (en) * | 2021-12-31 | 2022-08-30 | 重庆阿泰可科技股份有限公司 | Temperature change equipment and temperature reduction method thereof |
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Application publication date: 20131211 |