CN203355744U - Test box provided with independent heating channel and refrigerating channel - Google Patents
Test box provided with independent heating channel and refrigerating channel Download PDFInfo
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- CN203355744U CN203355744U CN 201320409486 CN201320409486U CN203355744U CN 203355744 U CN203355744 U CN 203355744U CN 201320409486 CN201320409486 CN 201320409486 CN 201320409486 U CN201320409486 U CN 201320409486U CN 203355744 U CN203355744 U CN 203355744U
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- refrigerating channel
- chamber
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- heat tunnel
- pilot region
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Abstract
The utility model discloses a test box provided with an independent heating channel and a refrigerating channel. The test box forms a closed space mainly by a test box body, an insulating layer and a door; the heating channel is arranged on one side in the closed space; the refrigerating channel is arranged on the other side in the closed space; and a test area is formed between a channel baffle and the box body.
Description
Technical field
The utility model relates to a kind of environmental test equipment field, relates in particular to a kind of chamber with independent heating passage and refrigerating channel.
Background technology
Chamber is typically designed to the form of heating and the shared passage of refrigeration, and the dividing plate between pilot region and passage is simple steel plate isolation, although such design is simple, but need the outer evaporimeter load of commitment during because of heater work, also need the outer heater load of commitment during same evaporator operation, so not energy-conservation; Simultaneously, because there is no the thermal insulation board isolation between pilot region and passage, and there is temperature difference between pilot region and passage, so the uniformity in the temperature field of the pilot region of close channel partition is not very desirable; Secondly, chamber does not arrange MOD usually between gas treatment passage and pilot region yet, during humid test, often needs to adopt cold thermally equilibrated control mode, causes equipment power consumption, the lost of life; In addition, chamber usually, also not at passage and pilot region setting and the extraneous MOD communicated, causes the constant of hot stage or cooling to need to start refrigeration unit, thereby causes equipment power consumption on the one hand, also accelerate on the other hand the aging of cold-producing medium, shortened the life-span of equipment.
For not needing the fast-changing chamber of temperature, the problems referred to above show to such an extent that be not very serious, but in the chamber that needs fast temperature to change, because evaporator area and heater power all design greatlyr, in the warm process that raise fast by low temperature that does not need refrigeration, evaporimeter is exactly a very large extra load for heater, same, do not need the heating in the process of high temperature fast reducing temperature, heater is also a very large extra load for evaporimeter, when can causing design, this need to consider extra evaporimeter or heater load, thereby need to design greatlyr by compressor horsepower and heater power, this can cause further extra load, cause chamber power and manufacturing cost, the significantly increase of use cost, simultaneously, in the process that is rapidly heated or lowers the temperature, the temperature difference of passage and pilot region is very large, if there is no the thermal insulation board isolation, the temperature of the pilot region of close channel partition can be low or high more a lot of than the temperature of other pilot region, cause the temperature field of pilot region very inhomogeneous, in addition, because chamber is provided with MOD at heat tunnel and pilot region, during humid test, can adopt the method for Energy Saving Control, when heating is different with refrigeration, output, reach purpose energy-conservation, the extension device life-span.
The utility model content
The purpose of this utility model is to provide a kind of chamber with independent heating passage and refrigerating channel that solves described problem.
To achieve these goals, the technical solution of the utility model is: a kind of chamber with independent heating passage and refrigerating channel 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, an other side is provided with refrigerating 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, heat tunnel inside at least is equipped with an air-pressure balancing device, and be positioned at air inlet one side of heater, the heat tunnel side at least is equipped with a MOD, and is positioned at air inlet one side of heater, between heat tunnel and pilot region, by upper and lower two MODs, separates.
Described refrigerating channel at least is equipped with one group of blower motor and corresponding fan, refrigerating channel inside at least is equipped with one group of evaporimeter, and evaporimeter is positioned at air inlet one side of fan, refrigerating channel inside at least is equipped with an air-pressure balancing device, and be positioned at air inlet one side of evaporimeter, separate by upper and lower two MODs between refrigerating channel and pilot region.
Described pilot region at least is equipped with a MOD.
The centre position of described heat tunnel and refrigerating channel air-out is equipped with at least one group of temperature sensor.
Compared with prior art, due in the chamber with independent heating passage and refrigerating channel of the present utility model, independently heat tunnel and refrigerating channel are installed, chamber do normal temperature, high temperature constant, heat up or while from high temperature, reducing the hot stage of temperature test, refrigerating channel does not participate in test, and MOD 12e, 12f are in closed condition; Heat tunnel participates in test, and MOD 12a, 12c are in open mode.Controller drive drum wind turbine 16a running, blower motor 16a drives fan 17a and rotates, fan 17a drives the gas in heat tunnel 18b to move toward pilot region 18a, cause thus the malleation of heat tunnel 18b internal fan 17a air outlet one side and the negative pressure of air inlet one side, under the acting in conjunction of fan 17a air outlet one side malleation and air inlet one side negative pressure, in case, gas flows into heat tunnel 18b through MOD 12c, and after heater via 14 pretreatment, enter pilot region 18a through MOD 12a under the driving of fan 17a, the temperature of adjusting test zone 18a, finally be back to the bottom of pilot region 18a, enter heat tunnel 18b by MOD 12c again, enter next gas treatment circulation.The gas treatment circulation is a continuous process.The temperature value that the temperature that controller is set according to chamber and pilot region 18a temperature sensor detect, carry out the PID adjusting to adding heat as required, regulate as required the aperture of MOD 12b, 12d, thereby realize the even, stable of pilot region temperature field simultaneously.When the low thermophase that low temperature is constant or high temperature reduction temperature is tested is done in chamber, heat tunnel does not participate in test, and MOD 12a, 12b, 12c, 12d are in closed condition, refrigerating channel participates in test, and MOD 12e, 12f are in open mode, controller drive drum wind turbine 16b running, blower motor 16b drives fan 17b and rotates, fan 17b drives the gas in refrigerating channel 18c to move toward pilot region 18a, cause thus the malleation of refrigerating channel 18c internal fan 17b air outlet one side and the negative pressure of air inlet one side, under the acting in conjunction of fan 17b air outlet one side malleation and air inlet one side negative pressure, in case, gas flows into refrigerating channel 18c through MOD 12f, and after evaporimeter 15 pretreatment, enter pilot region 18a through MOD 12e under the driving of fan 17b, the temperature of adjusting test zone 18a, finally be back to the bottom of pilot region 18a, enter refrigerating channel 18c by MOD 12f again, enter next gas treatment circulation.The gas treatment circulation is a continuous process.The temperature value that the temperature that controller is set according to chamber and pilot region 18a temperature sensor detect, carry out the PID adjusting to refrigerating capacity as required, thereby realize the even, stable of pilot region 18a temperature field.
The utlity model has following beneficial effect:
1, the extra load of having avoided evaporimeter, heater to cause.
2, reduced chamber power.
3, manufacture, the use cost of chamber have been reduced.
4, make the pilot region temperature field of chamber more even.
5,, due to the MOD 12b, the 12d that have designed with environmental communication, chamber, when doing normal temperature or hot test, can take full advantage of supplement " low-temperature receiver " of ambient air as chamber, makes the operation of chamber more energy-conservation.
6, owing to having avoided the thermal stress of high temperature to cold-producing medium, extended on the one hand the service life of cold-producing medium, on the other hand, also make the range of choice of cold-producing medium broader.
7, owing to having avoided the operation of refrigeration unit at hot stage, the cold-producing medium suction temperature can be too not high, and refrigeration unit is operated under better operating mode, thereby extend the life-span of refrigeration unit.
8, owing to having adopted energy-saving control method, make the operation of chamber more energy-conservation, simultaneously, also extended the service life of equipment.
By following description also by reference to the accompanying drawings, it is more clear that the utility model will become, and these accompanying drawings are for explaining embodiment of the present utility model.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 50. chambers, 10. test casing, 10a. insulation material, 11a. air-pressure balancing device, 11b. air-pressure balancing device, 12a. MOD, 12b. MOD, 12c. MOD, 12d. MOD, 12e. MOD, 12f. MOD, 14. heaters, 15. evaporimeters, 16a. blower motor, 16b. blower motor, 17a. fan, 17b. fan, 18a. pilot region, 18b. heat tunnel, 18c. refrigerating channel.
The specific embodiment
Illustrate that by Fig. 1 an embodiment of the present utility model is as follows.
With reference now to accompanying drawing 1, describe embodiment of the present utility model, in accompanying drawing, identical element numbers represents similar element.As mentioned above, as shown in Figure 1, the chamber with independent heating passage and refrigerating channel 50 that the utility model provides, 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.
Between heat tunnel 18b and pilot region 18a, by upper and lower two MOD 12a, 12c, separate.
Refrigerating channel 18c top at least is equipped with one group of blower motor 16b and corresponding fan 17b.
Refrigerating channel 18c inside at least is equipped with one group of evaporimeter 15, and evaporimeter 15 is positioned at air inlet one side of fan 17b.
Refrigerating channel 18c inside at least is equipped with an air-pressure balancing device 11b, and is positioned at air inlet one side of evaporimeter 15.
Between refrigerating channel 18c and pilot region 18a, by upper and lower two MOD 12e, 12f, separate.
The centre position of heat tunnel 18b and refrigerating channel 18c air-out at least is equipped with one group of temperature sensor.
Chamber do normal temperature, high temperature constant, heat up or while from high temperature, reducing the hot stage of temperature test, refrigerating channel does not participate in test, MOD 12e, 12f are in closed condition; Heat tunnel participates in test, and MOD 12a, 12c are in open mode.Controller drive drum wind turbine 16a running, blower motor 16a drives fan 17a and rotates, fan 17a drives the gas in heat tunnel 18b to move toward pilot region 18a, cause thus the malleation of heat tunnel 18b internal fan 17a air outlet one side and the negative pressure of air inlet one side, under the acting in conjunction of fan 17a air outlet one side malleation and air inlet one side negative pressure, in case, gas flows into heat tunnel 18b through MOD 12c, and after heater via 14 pretreatment, enter pilot region 18a through MOD 12a under the driving of fan 17a, the temperature of adjusting test zone 18a, finally be back to the bottom of pilot region 18a, enter heat tunnel 18b by MOD 12c again, enter next gas treatment circulation.The gas treatment circulation is a continuous process.The temperature value that the temperature that controller is set according to chamber and pilot region 18a temperature sensor detect, carry out the PID adjusting to adding heat as required, regulate as required the aperture of MOD 12b, 12d, thereby realize the even, stable of pilot region temperature field simultaneously.When the low thermophase that low temperature is constant or high temperature reduction temperature is tested is done in chamber, heat tunnel does not participate in test, and MOD 12a, 12b, 12c, 12d are in closed condition, refrigerating channel participates in test, and MOD 12e, 12f are in open mode, controller drive drum wind turbine 16b running, blower motor 16b drives fan 17b and rotates, fan 17b drives the gas in refrigerating channel 18c to move toward pilot region 18a, cause thus the malleation of refrigerating channel 18c internal fan 17b air outlet one side and the negative pressure of air inlet one side, under the acting in conjunction of fan 17b air outlet one side malleation and air inlet one side negative pressure, in case, gas flows into refrigerating channel 18c through MOD 12f, and after evaporimeter 15 pretreatment, enter pilot region 18a through MOD 12e under the driving of fan 17b, the temperature of adjusting test zone 18a, finally be back to the bottom of pilot region 18a, enter refrigerating channel 18c by MOD 12f again, enter next gas treatment circulation.The gas treatment circulation is a continuous process.The temperature value that the temperature that controller is set according to chamber and pilot region 18a temperature sensor detect, carry out the PID adjusting to refrigerating capacity as required, thereby realize the even, stable of pilot region 18a temperature field.
When chamber is done high temperature or is rapidly heated test, if the case internal pressure is higher than external atmospheric pressure, by air-pressure balancing device 11a pressure release, 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 11b, until the case external and internal pressure reaches poised state.
The chamber with independent heating passage and refrigerating channel 50 that the utility model provides is because intensification, cooling, constant temperature test have all been realized the automatic adjusting of controller, so, as long as will need the setting parameter of test good in use, chamber just can move by the parameter set, thereby realizes intelligentized control.
Above disclosed is only preferred embodiment of the present utility model, certainly can not limit with this interest field of the utility model, and the equivalent variations of therefore doing according to the utility model claim, still belong to the scope that the utility model is contained.
Claims (5)
1. the chamber with independent heating passage and refrigerating channel, 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 heat tunnel, an other side is provided with refrigerating channel, between channel blind and casing, forms pilot region.
2. the chamber with independent heating passage and refrigerating channel 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, heat tunnel inside at least is equipped with an air-pressure balancing device, and be positioned at air inlet one side of heater, the heat tunnel side at least is equipped with a MOD, and be positioned at air inlet one side of heater, between heat tunnel and pilot region, by upper and lower two MODs, separate.
3. the chamber with independent heating passage and refrigerating channel as claimed in claim 1, it is characterized in that, described refrigerating channel at least is equipped with one group of blower motor and corresponding fan, refrigerating channel inside at least is equipped with one group of evaporimeter, and evaporimeter is positioned at air inlet one side of fan, refrigerating channel inside at least is equipped with an air-pressure balancing device, and is positioned at air inlet one side of evaporimeter, between refrigerating channel and pilot region, by upper and lower two MODs, separates.
4. the chamber with independent heating passage and refrigerating channel as claimed in claim 1, is characterized in that, described pilot region at least is equipped with a MOD.
5. the chamber with independent heating passage and refrigerating channel as claimed in claim 1, is characterized in that, the centre position of described heat tunnel and refrigerating channel air-out is equipped with at least one group of temperature sensor.
Priority Applications (1)
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CN 201320409486 CN203355744U (en) | 2013-07-09 | 2013-07-09 | Test box provided with independent heating channel and refrigerating channel |
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CN 201320409486 CN203355744U (en) | 2013-07-09 | 2013-07-09 | Test box provided with independent heating channel and refrigerating channel |
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CN203355744U true CN203355744U (en) | 2013-12-25 |
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CN 201320409486 Expired - Fee Related CN203355744U (en) | 2013-07-09 | 2013-07-09 | Test box provided with independent heating channel and refrigerating channel |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103394378A (en) * | 2013-07-09 | 2013-11-20 | 广州国技试验仪器有限公司 | Test box with independent heating channel and refrigeration channel |
CN106033024A (en) * | 2015-03-17 | 2016-10-19 | 中国科学院寒区旱区环境与工程研究所 | Optical-instrument low temperature environment test box |
CN111514657A (en) * | 2020-04-29 | 2020-08-11 | 国投盛世承德科技股份有限公司 | Processing method and device of zeolite protection filter material and zeolite protection filter material |
-
2013
- 2013-07-09 CN CN 201320409486 patent/CN203355744U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103394378A (en) * | 2013-07-09 | 2013-11-20 | 广州国技试验仪器有限公司 | Test box with independent heating channel and refrigeration channel |
CN106033024A (en) * | 2015-03-17 | 2016-10-19 | 中国科学院寒区旱区环境与工程研究所 | Optical-instrument low temperature environment test box |
CN111514657A (en) * | 2020-04-29 | 2020-08-11 | 国投盛世承德科技股份有限公司 | Processing method and device of zeolite protection filter material and zeolite protection filter material |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20160709 |
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CF01 | Termination of patent right due to non-payment of annual fee |