CN203750550U - High-low-temperature thermal-humidity test box with light absorption device - Google Patents
High-low-temperature thermal-humidity test box with light absorption device Download PDFInfo
- Publication number
- CN203750550U CN203750550U CN201420117212.3U CN201420117212U CN203750550U CN 203750550 U CN203750550 U CN 203750550U CN 201420117212 U CN201420117212 U CN 201420117212U CN 203750550 U CN203750550 U CN 203750550U
- Authority
- CN
- China
- Prior art keywords
- baffle plate
- heat
- air
- passage
- gas treatment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model discloses a high-low-temperature thermal-humidity test box with a light absorption device. A test area, a gas processing passage, an air outlet passage and an air return passage are arranged in the high-low-temperature thermal-humidity test chamber, positions, right opposite to the air outlet passage and the air return passage, of a passage baffle plate respectively have a ventilation hole, positions, right opposite to the test area, of an air outlet baffle plate and an air return port baffle plate respectively have a ventilation hole, a group of light absorption devices and corresponding heat exchanging devices are installed in a closed space or outside the test box, the light absorption device is tightly attached to the back surface of the heat exchanging device, the heat exchanging device is provided with an inlet pipe and an outlet pipe for exchanging the heat, the inlet pipe and the outlet pipe are communicated with a cooling device outside the box, the light absorption device is right opposite to a luminescent part of a test sample and used for converting the light emitted by the test sample to the heat energy to be transferred out of the box body. A majority of light emitted by the test sample is absorbed by the light absorption device and exchanges the heat by virtue of the heat exchanging device which is attached to the back surface of the light absorption device, and finally the heat is brought away by the cooling liquid or gas flowing by the heat exchanging device by virtue of the inlet pipe and the outlet pipe.
Description
Technical field
The utility model relates to a kind of environmental test equipment field, relates in particular to a kind of high-and-low temperature humid heat test box with extinction device.
Background technology
The common heat load ability of common chamber is all smaller, and particularly the heat load ability under super-humid conditions is less.Test except high humidity, as xeothermic humid test, low wet test, if need to increase heat load ability, is not increasing under the condition of volume of the chamber, can solve by the way that increases refrigerating capacity, needs to configure the refrigeration unit of large cold; High wet test, is not increasing under the condition of volume of the chamber, is difficult to reach by traditional increase refrigerating capacity method its heat load ability that improves.In reality, some test specimen, as LED lamp need to be switched under super-humid conditions, LED lamp is now discharged into pilot region by luminous form by heat load, many or power ratio is larger as batch LED lamp quantity, the heat load that LED lamp discharges by luminous form will be larger, as met the test of this condition, need to buy the much bigger chamber of a relative test specimen size, in addition, the larger refrigeration unit also must configuration matching therewith, heater, humidifier etc., cause unnecessary procurement payment, place, the waste of the energy etc.
Utility model content
The purpose of this utility model is to provide a kind of high-and-low temperature humid heat test box with extinction device that solves described problem.
To achieve these goals, the technical solution of the utility model is: a kind of high-and-low temperature humid heat test box with extinction device is provided, it is characterized in that, described chamber is mainly by casing, insulation material, an enclosure space of door composition, in described enclosure space, channel blind is installed, air outlet baffle plate and return air inlet baffle plate, channel blind, air outlet baffle plate, return air inlet baffle plate, a pilot region of common composition between door and cabinet wall, between channel blind and cabinet wall, form a gas treatment passage, between air outlet baffle plate and cabinet wall, form an air-out passage, between return air inlet baffle plate and cabinet wall, form a return air channel, just there is air vent the upper and lower of channel blind to the Position Design of air-out passage and return air channel respectively, air outlet baffle plate and return air inlet baffle plate are just all designed with air vent to the position of described pilot region, in described enclosure space or chamber one group of extinction device and corresponding heat-exchange device are at least installed outward, together with extinction device fits tightly with the heat-exchange device back side, inlet pipe for heat exchange is installed on heat-exchange device, go out pipe, inlet pipe, the cooling device going out outside pipe and case is connected, extinction device is the luminous component to test specimen just, and the light that test specimen is sent is converted into heat energy and derives outside casing.
Described gas treatment passage is provided with at least one group of blower motor and corresponding fan, and blower motor and corresponding fan are positioned at the upper position of gas treatment passage.
Described gas treatment passage is provided with at least one group of heater, and heater is positioned at the bottom of fan.
Described gas treatment passage is provided with at least one group of evaporimeter, and evaporimeter is positioned at the bottom of heater.
On the casing of described gas treatment passage side, at least one air-pressure balancing device is installed, and air-pressure balancing device is connected on the gas treatment conduit wall of evaporimeter bottom.
Described gas treatment passage is provided with at least one group of humidification system, and humidification system is positioned at the bottom of gas treatment passage.
Described air outlet baffle plate below is provided with one group of temperature-humidity sensor.
Described pilot region is provided with some specimen holders, and described specimen holder surface offers ventilation mesh.
Compared with prior art, due in the high-and-low temperature humid heat test box with extinction device of the present utility model, in enclosure space or chamber extinction device and corresponding heat-exchange device are installed outward, together with extinction device fits tightly with the heat-exchange device back side, inlet pipe is installed on heat-exchange device, goes out pipe, inlet pipe, the cooling device going out outside pipe and case are connected, and the luminous component of test specimen is just to corresponding extinction device.The wide part that test specimen sends is absorbed by extinction device and by carrying out heat exchange with the heat-exchange device of extinction device back side laminating, finally by by inlet pipe, go out pipe and flow through outside the cooling liquid or gas band outlet of heat-exchange device, thereby greatly reduce test specimen by the luminous heat load that is discharged into pilot region.When chamber operation, controller drive drum wind turbine running on the one hand, blower motor drives fan to rotate, gas in fans drive gas treatment passage is toward air-out passage one lateral movement, cause thus the malleation of gas treatment passage internal fan air outlet one side and the negative pressure of air inlet one side, under the acting in conjunction of fan outlet one side malleation and air inlet one side negative pressure, in case, the air vent of gas on return air inlet baffle plate flows into return air channel, enter gas treatment passage through channel blind leg space ventilation hole, and through humidification system, after the pretreatment of evaporimeter or heater, enter air-out passage through fans drive, air vent on air outlet baffle plate flows into pilot region equably, realize pilot region temperature field, the even regulation of moisture field, finally flow into the bottom of pilot region from the gap between test specimen, and flow into return air channel via the air vent on return air inlet baffle plate, enter gas treatment passage through channel blind leg space ventilation hole, enter next gas recycle process, gas recycle process is a continuous process, test specimen electrified light emitting on the other hand, and the light that major part is sent is taken away by extinction device, heat-exchange device and inlet pipe, the cooling liquid or the gas that go out in pipe, remaining light is converted into the heat load of pilot region, delayed heat load flows into return air channel by gas in case via the air vent on return air inlet baffle plate, enters gas treatment passage and and evaporimeter carries out heat exchange and be with outside outlet through channel blind leg space ventilation hole.Temperature value, humidity value that temperature, humidity and the air outlet baffle plate below temperature-humidity sensor that controller is set according to chamber detects, humidification amount to humidifier is carried out PID adjusting, and as required to refrigerating capacity or add heat and carry out PID adjusting, thereby realize pilot region temperature field, moisture field evenly, stable.
The utlity model has following beneficial effect:
1, the test specimen mainly discharging by luminous form for heat load, has realized " luminous heat load " by having exported in case outside case, has reduced the heat load in case.
2, the test specimen mainly discharging by luminous form for heat load, has realized many test specimens or the test of high-power test sample under super-humid conditions.
3, because " luminous heat load " is by having exported in case outside case, so, compare onesize heat load test, greatly reduce the configuration of the volume of chamber and refrigeration unit, heater, humidifier etc., and reduced thus the waste of unnecessary procurement payment, place, the energy etc.
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 used for explaining embodiment of the present utility model.
Brief description of the drawings
Fig. 1 is the structural representation of the high-and-low temperature humid heat test box with extinction device of the present utility model.
Fig. 2 is the structural representation of the high-and-low temperature humid heat test box with extinction device of another embodiment of the utility model.
In figure: 50. chambers, 60. chambers, 10., 10a. insulation material, 11. casings, 12. humidification systems, 12a. humidification basin, 12b. water inlet pipe, 12c. overflow pipe, 13. evaporimeters, 14. heaters, 15. blower motors, 16. fans, 17. air-pressure balancing devices, 17a. stop screw, 17b. balanced ball, the pad of 17c. with relief hole, 17d. relief tube, 17e. blast pipe, 17f. tube connector, 17g. tube connector, 18a. pilot region, 18b. gas treatment passage, 18c. air-out passage, 18d. return air channel, 19. test specimens, 20. specimen holders, 21. channel blind, 22. air outlet baffle plates, 23. return air inlet baffle plates, 24. extinction devices, 25. heat-exchange devices, 26. inlet pipes, 27. go out pipe.
Detailed description of the invention
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, wet heating testing case 50, it comprises:
Casing 11, insulation material 10a, an enclosure space of door 10 compositions, channel blind 21 is installed in described enclosure space, air outlet baffle plate 22 and return air inlet baffle plate 23, channel blind 21, air outlet baffle plate 22, return air inlet baffle plate 23, a pilot region of common composition between door 10 and casing 11 inwalls, between channel blind 21 and casing 11 inwalls, form a gas treatment passage 18b, between air outlet baffle plate 22 and casing 11 inwalls, form an air-out passage 18c, between return air inlet baffle plate 23 and casing 11 inwalls, form a return air channel 18d, just there is air vent the upper and lower of channel blind 21 to the Position Design of air-out passage 18c and return air channel 18d respectively, air outlet baffle plate 22 and return air inlet baffle plate 23 are just all designed with air vent to the position of described pilot region, in described enclosure space or chamber one group of extinction device 24 and corresponding heat-exchange device 25 are at least installed outward, together with extinction device 24 fits tightly with heat-exchange device 25 back sides, inlet pipe 26 for heat exchange is installed on heat-exchange device 25, go out pipe 27, inlet pipe 26, the cooling device going out outside pipe 27 and case is connected, extinction device 24 is the luminous component to test specimen just, and the light that test specimen is sent is converted into heat energy and derives outside casing 11.
As shown in Figure 1, the utility model comprises: door 10, insulation material 10a, casing 11, evaporimeter 13, heater 14, blower motor 15, fan 16, humidification system 12, humidification system 12 comprises humidification basin 12a, water inlet pipe 12b, overflow pipe 12c and the humidifier of not indicating in the drawings, pilot region 18a, gas treatment passage 18b, air-out passage 18c, return air channel 18d, test specimen 19, specimen holder 20, channel blind 21, air outlet baffle plate 22, return air inlet baffle plate 23, extinction device 24, heat-exchange device 25, inlet pipe 26, go out pipe 27, air-pressure balancing device 17, air-pressure balancing device 17 comprises stop screw 17a, balanced ball 17b, with the pad 17c of relief hole, relief tube 17d, blast pipe 17e, tube connector 17f and 17g, and the door of not indicating in the drawings, water circuit system, the control system of controlling with cold junction PID, the temperature of refrigeration system and air outlet baffle plate 22 belows, humidity sensor.
As shown in Figure 1, chamber is mainly made up of the space of a sealing door 10, insulation material 10a and casing 11.
A channel blind 21, air outlet baffle plate 22 and a return air inlet baffle plate 23 are installed, common composition a pilot region 18a, gas treatment passage 18b, an air-out passage 18c and a return air channel 18d between channel blind 21, air outlet baffle plate 22, return air inlet baffle plate 23, door and casing 11 inwalls in enclosure space.
The channel blind 21 just top to air-out passage 18c and return air channel 18d, lower position is designed with respectively air vent.
Air outlet baffle plate 22 and return air inlet baffle plate 23 are designed with respectively air vent.
Gas treatment passage 18b is provided with at least one group of blower motor 15 and corresponding fan 16, and blower motor 15 and corresponding fan 16 are positioned at the upper position of gas treatment passage 18b.
Gas treatment passage 18b is provided with at least one group of heater 14, and heater 14 is positioned at the bottom of fan 16, when guaranteeing that gas need to heat, is all pretreated through heater 14 via fan 16 before being driven into pilot region 18a.
Gas treatment passage 18b is provided with at least one group of evaporimeter 13, and evaporimeter 13 is positioned at the bottom of heater 14, guarantees that on the one hand gas needs when cooling, is all pretreated through evaporimeter 13 via fan 16 before being driven into pilot region 18a; The condensate water of guaranteeing on the other hand evaporimeter 13 can not drop on heater 14.
On the casing of gas treatment passage 18b side, at least one air-pressure balancing device 17 is installed, and air-pressure balancing device 17 is positioned at the bottom of evaporimeter 13, while guaranteeing that case internal gas pressure is high on the one hand, gas or steam can be via air-pressure balancing device 17 pressure releases outside casees; Also the condensate water of backflow can be drained in humidification basin 12a on the other hand.
Gas treatment passage 18b is provided with at least one group of humidification system 12, and humidification system 12 is positioned at the bottom of gas treatment passage 18b, when guaranteeing that gas needs humidification, is all pretreated through humidification system 12 via fan 16 before being driven into pilot region 18a.
Air outlet baffle plate 22 belows are provided with one group of temperature-humidity sensor, for temperature, the humidity of controller detection and Control experiment region 18a.
When chamber operation, controller drive drum wind turbine 15 turns round on the one hand, blower motor 15 drives fan 16 to rotate, gas in fan 16 driving gas treatment channel 18b is toward air-out passage 18c mono-lateral movement, cause thus the malleation of fan 16 air outlet one sides and the negative pressure of air inlet one side, under the acting in conjunction of fan 16 air outlet one side malleations and air inlet one side negative pressure, in case, the air vent of gas on return air inlet baffle plate 23 flows into return air channel 18d, enter gas treatment passage 18b through channel blind 21 leg space ventilation holes, and through humidification system 12, after the pretreatment of evaporimeter 13 or heater 14, be driven into the air-out passage 18c in left side through fan 16, air vent on air outlet baffle plate 22 flows into pilot region 18a equably, realize pilot region 18a temperature field, the even regulation of moisture field, finally flow into the bottom of pilot region 18a from the gap between test specimen 19, and flow into return air channel 18d via the air vent on return air inlet baffle plate 23, enter gas treatment passage 18b through the air vent of channel blind 21 bottoms, enter next gas recycle process, gas recycle process is a continuous process, test specimen 19 electrified light emittings on the other hand, the wide part that test specimen 19 sends is absorbed by extinction device 24 and by carrying out heat exchange with the heat-exchange device 25 of extinction device 24 back sides laminatings, finally by passing through inlet pipe 26, going out pipe 27 flows through outside the cooling liquid or gas band outlet of heat-exchange device 25, remaining light is converted into the heat load of pilot region 18a, delayed heat load flows into return air channel 18d by gas in case via the air vent on return air inlet baffle plate 23, enter gas treatment passage 18b through channel blind 21 leg space ventilation holes and and evaporimeter 13 carries out heat exchange and be with outside outlet.Temperature value, humidity value that temperature, humidity and the air outlet baffle plate 22 below temperature-humidity sensors that controller is set according to chamber detect, humidification amount to humidifier is carried out PID adjusting, and as required to refrigerating capacity or add heat and carry out PID adjusting, thereby realize pilot region 18a temperature field, moisture field evenly, stable.
Chamber heats up or when high temperature and humidity test, if case internal pressure is higher than external atmospheric pressure, by air-pressure balancing device 17 pressure releases, until case external and internal pressure reaches poised state.
Embodiment shown in Fig. 2, wet heating testing case 60, the label wherein increasing is called " 10b. observation window " with name, and other label, title and Fig. 1 are identical, only do simple introduction at this.In this embodiment, extinction device 24, heat-exchange device 25 and inlet pipe 26, going out pipe 27 and cooling liquid or gas has wherein been arranged to outside case, the wide part that test specimen 19 sends is transmitted to outside case by the observation window 10b on door 10, and be disposed in that extinction device 24 outside case absorbs and by carrying out heat exchange with the heat-exchange device 25 of extinction device 24 back sides laminatings, finally by passing through inlet pipe 26, going out pipe 27 cooling liquid or the gases of flowing through heat-exchange device 25 takes away, remaining light is converted into the heat load of pilot region 18a, delayed heat load flows into return air channel 18d by gas in case via the air vent on return air inlet baffle plate 23, enter gas treatment passage 18b through channel blind 21 leg space ventilation holes and and evaporimeter 13 carries out heat exchange and be with outside outlet.
The high-and-low temperature humid heat test box with extinction device that the utility model provides is because energising, the power-off etc. of intensification, constant temperature, cooling, damp heat test and test specimen have all realized the automatic regulation and control of controller, so, in use, need only good the setting parameter of needs test, chamber just can move by the parameter setting, 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 belongs to the scope that the utility model is contained.
Claims (7)
1. the high-and-low temperature humid heat test box with extinction device, it is characterized in that, described chamber is mainly by casing, insulation material, an enclosure space of door composition, in described enclosure space, channel blind is installed, air outlet baffle plate and return air inlet baffle plate, channel blind, air outlet baffle plate, return air inlet baffle plate, a pilot region of common composition between door and cabinet wall, between channel blind and cabinet wall, form a gas treatment passage, between air outlet baffle plate and cabinet wall, form an air-out passage, between return air inlet baffle plate and cabinet wall, form a return air channel, just there is air vent the upper and lower of channel blind to the Position Design of air-out passage and return air channel respectively, air outlet baffle plate and return air inlet baffle plate are just all designed with air vent to the position of described pilot region, in described enclosure space or chamber one group of extinction device and corresponding heat-exchange device are at least installed outward, together with extinction device fits tightly with the heat-exchange device back side, inlet pipe for heat exchange is installed on heat-exchange device, go out pipe, inlet pipe, the cooling device going out outside pipe and case is connected, extinction device is the luminous component to test specimen just, and the light that test specimen is sent is converted into heat energy and derives outside casing.
2. the high-and-low temperature humid heat test box with extinction device as claimed in claim 1, it is characterized in that, described gas treatment passage is provided with at least one group of blower motor and corresponding fan, and blower motor and corresponding fan are positioned at the upper position of gas treatment passage.
3. the high-and-low temperature humid heat test box with extinction device as claimed in claim 2, is characterized in that, described gas treatment passage is provided with at least one group of heater, and heater is positioned at the bottom of fan.
4. the high-and-low temperature humid heat test box with extinction device as claimed in claim 3, is characterized in that, described gas treatment passage is provided with at least one group of evaporimeter, and evaporimeter is positioned at the bottom of heater.
5. the high-and-low temperature humid heat test box with extinction device as claimed in claim 4, is characterized in that, on the casing of the described gas treatment passage back side, at least one air-pressure balancing device is installed, and air-pressure balancing device is positioned at the bottom of evaporimeter.
6. the high-and-low temperature humid heat test box with extinction device as claimed in claim 1, is characterized in that, the bottom of described gas treatment passage is provided with at least one group of humidification system.
7. the high-and-low temperature humid heat test box with extinction device as claimed in claim 1, is characterized in that, described air outlet baffle plate below is provided with one group of temperature-humidity sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420117212.3U CN203750550U (en) | 2014-03-14 | 2014-03-14 | High-low-temperature thermal-humidity test box with light absorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420117212.3U CN203750550U (en) | 2014-03-14 | 2014-03-14 | High-low-temperature thermal-humidity test box with light absorption device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203750550U true CN203750550U (en) | 2014-08-06 |
Family
ID=51245862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420117212.3U Expired - Fee Related CN203750550U (en) | 2014-03-14 | 2014-03-14 | High-low-temperature thermal-humidity test box with light absorption device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203750550U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104437683A (en) * | 2014-11-27 | 2015-03-25 | 深圳市华测检测技术股份有限公司 | High-temperature and high-humidity test box |
| CN104646078A (en) * | 2015-01-08 | 2015-05-27 | 国家电网公司 | Temperature uniformity realizing structure of climate artificial simulation room for ice covering and method thereof |
| CN111912641A (en) * | 2020-07-15 | 2020-11-10 | 中国核动力研究设计院 | Large box device for running-state safety injection pump environment test and test method |
| CN112014136A (en) * | 2020-09-01 | 2020-12-01 | 重庆阿泰可科技股份有限公司 | Environmental simulation test box |
| CN113134398A (en) * | 2021-05-17 | 2021-07-20 | 江苏拓米洛环境试验设备有限公司 | Box environmental test equipment of endotheca |
-
2014
- 2014-03-14 CN CN201420117212.3U patent/CN203750550U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104437683A (en) * | 2014-11-27 | 2015-03-25 | 深圳市华测检测技术股份有限公司 | High-temperature and high-humidity test box |
| CN104437683B (en) * | 2014-11-27 | 2016-03-16 | 华测检测认证集团股份有限公司 | High temperature and humidity test case |
| CN104646078A (en) * | 2015-01-08 | 2015-05-27 | 国家电网公司 | Temperature uniformity realizing structure of climate artificial simulation room for ice covering and method thereof |
| CN111912641A (en) * | 2020-07-15 | 2020-11-10 | 中国核动力研究设计院 | Large box device for running-state safety injection pump environment test and test method |
| CN112014136A (en) * | 2020-09-01 | 2020-12-01 | 重庆阿泰可科技股份有限公司 | Environmental simulation test box |
| CN113134398A (en) * | 2021-05-17 | 2021-07-20 | 江苏拓米洛环境试验设备有限公司 | Box environmental test equipment of endotheca |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107166902B (en) | Multifunctional heat pump drying device | |
| CN203750550U (en) | High-low-temperature thermal-humidity test box with light absorption device | |
| CN205048940U (en) | Drying and dehumidification unit | |
| CN103386330B (en) | Variable-volume combined-drawer-type test box controlled by individual blower fan | |
| CN201488149U (en) | Humidifying and dehumidifying machine with constant outlet air temperature | |
| CN103175382A (en) | Heat pump drying system | |
| CN109553270B (en) | Heat pump type closed sludge drying system and control method thereof | |
| CN207231092U (en) | A kind of multifunctional heat pump drying device | |
| CN205561498U (en) | Joint hot air drying device of full -automatic high -efficient low temperature dehumidification | |
| CN201569247U (en) | Thermal pump dehumidification drying machine | |
| CN105240963A (en) | Novel air cooling temperature adjustment dehumidifier | |
| CN204329323U (en) | Be suitable for the Teat pump boiler recycling kitchen residual heat | |
| KR20170070865A (en) | Reheat control system for cooling and dehumidification of thermohygrostat using energy saving type | |
| CN203425833U (en) | Test box with high utilization rate in upper feeding and lower discharging mode | |
| CN103994643A (en) | Heat pump cold-end heat radiation type sealed dehumidification drying house | |
| CN104807318A (en) | Variable-temperature drying device of medium and high temperature heat pump | |
| CN102032624B (en) | Performance test device for evaporative air conditioner | |
| CN203355743U (en) | High-usage test chamber with lateral air inlet and outlet mode | |
| CN203011097U (en) | A heat pump dehumidification drying device | |
| CN203750551U (en) | High-low temperature damp and hot test box with light guide tubes | |
| CN103547125B (en) | A kind of high dehumidifying generator set box | |
| CN105135554A (en) | Pre-cooling energy-saving dehumidifying system and method | |
| CN203177615U (en) | Air source heat pump water circulation heating and water circulation condensation dehumidification drying device | |
| CN203355741U (en) | Variable volume combined drawer-type test chamber with independent fan control | |
| CN108168225B (en) | Shunting type heat pump drying system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20170314 |