CN103480437A - Thermal field uniform distribution device for temperature and humidity environment testing equipment with uniformity of less than 0.5 degree centigrade grade - Google Patents
Thermal field uniform distribution device for temperature and humidity environment testing equipment with uniformity of less than 0.5 degree centigrade grade Download PDFInfo
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- CN103480437A CN103480437A CN201310401638.1A CN201310401638A CN103480437A CN 103480437 A CN103480437 A CN 103480437A CN 201310401638 A CN201310401638 A CN 201310401638A CN 103480437 A CN103480437 A CN 103480437A
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Abstract
The invention discloses a thermal field uniform distribution device for temperature and humidity environment testing equipment with the uniformity of less than a 0.5 degree centigrade grade. The thermal field uniform distribution device comprises a box body and an equipment room arranged on the lower part of the box body, wherein an inner cavity of the box body is provided with a working room and a circulating air flue; the thermal field uniform distribution device further comprises an air circulating fan, a temperature and humidity sensor, an evaporator, a heater, a humidifier, a refrigeration compressor and a condenser; uniform distribution plates are arranged on the left and right sides as well as the top and the bottom of the box body; an air returning plate is arranged at the top of the box body; the inner wall of the box body is provided with a double-layer insulating layer composed of a polyurethane insulating layer and an ultrafine glass fiber insulating layer; the temperature and humidity sensor, the evaporator, the heater, the humidifier and the refrigeration compressor are controlled and connected by a PLC (Programmable Logic Controller) control system; the PLC control system is internally provided with a temperature control system for controlling the temperature uniformity to be 0.5 degree centigrade so as to control the temperature uniformity in the working room to be within 0.5 degree centigrade.
Description
Technical field
The present invention relates to the humiture test equipment technical field, particularly a kind of uniformity is less than 0.5 degree centigrade of level humiture environmental test equipment temperature even distribution device.
Background technology
Existing constant temperature humidity chamber, usually the refrigeration system that adopts condenser, compressor, capillary, evaporimeter and connecting pipe to form, capillary is connected between condenser and evaporimeter, condenser, compressor, evaporimeter adopt pipeline to connect successively, the warm field uniformity of this testing equipment meets 2 degrees centigrade of state quotas, but along with the requirement of existing experimental condition is more and more stricter, the warm field uniformity scope of 2 degrees centigrade is too large, needs a kind of less warm field uniformity scope.
Summary of the invention
Technical problem to be solved by this invention is for shortcomings and deficiencies of the prior art, provides a kind of and can reach the temperature even distribution device that uniformity is less than 0.5 degree centigrade of level, to address the above problem.
Technical problem solved by the invention can realize by the following technical solutions:
Uniformity is less than 0.5 degree centigrade of level humiture environmental test equipment temperature even distribution device, comprises casing and the equipment room that is arranged on lower box, and described cabinets cavity has workplace and circulation air path, it is characterized in that, also comprises:
The air circulation fans that is arranged on described casing top and is communicated with described circulation air path;
Be arranged on Temperature Humidity Sensor, evaporimeter, heater, humidifier on described cabinet wall, wherein evaporimeter is arranged in described circulation air path;
Be arranged on refrigeration compressor and condenser in described equipment room, described refrigeration compressor is connected by drain pipe with condenser, and described refrigeration compressor is connected with described evaporimeter by return duct, and described condenser is connected with described evaporimeter by capillary;
The left and right sides at casing, top and bottom are provided with uniform board, and also be furnished with the return air plate below the uniform board at described casing top, inwall at described casing is provided with the double insulation consisted of polyurethane insulation coating and ultra-fine fibre glass heat-insulation layer, described Temperature Humidity Sensor, evaporimeter, heater, humidifier, refrigeration compressor is all by PLC control system control connection, described PLC control system inside has the temperature control system at 0.5 degree centigrade by thermal evenness controlling, after described temperature control system is collected temperature information, the described PLC control system of control makes Temperature Humidity Sensor, evaporimeter, heater, humidifier, refrigeration compressor work, so that the thermal evenness controlling in described workplace is in 0.5 degree centigrade.
In a preferred embodiment of the present invention, the return air plate at the uniform board of the left and right sides of described casing, top and bottom and described casing top all assembles by overlap joint.
Owing to having adopted technical scheme as above, beneficial effect of the present invention is: 2 degrees centigrade of state quota warm field uniformity scopes can be brought up to 0.5 degree centigrade, double insulation makes the range of temperature in workplace little, and uniform board and return air plate assemble by overlap joint, cleaning equipment for convenience detach.
The accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is side-looking cross-sectional view of the present invention.
Fig. 2 is the structural representation of double insulation of the present invention.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
Uniformity shown in Figure 1 is less than 0.5 degree centigrade of level humiture environmental test equipment temperature even distribution device, comprises casing 100, and casing 100 bottoms are equipment room 120, and casing 100 inner chambers have workplace 110 and circulation air path 130.
Casing 100 tops are provided with the air circulation fans 300 be communicated with circulation air path 130, the Temperature Humidity Sensor 700 on casing 100 inwalls, evaporimeter 200, heater 800, humidifier 900, and wherein evaporimeter 200 is arranged in circulation air path 130.
Refrigeration compressor 400 and condenser 500 are installed in equipment room 120, refrigeration compressor 400 is connected by drain pipe 640 with condenser 500, refrigeration compressor 400 is connected with evaporimeter 200 by return duct 630, and condenser 500 is by being connected with evaporimeter 200 by capillary 610 after copper pipe 620 again.
The left and right sides at casing 100, top and bottom are provided with uniform board 140, and also be furnished with return air plate 150 below the uniform board 140 at casing 100 tops, be provided with the double insulation 160(that formed by polyurethane insulation coating 162 and ultra-fine fibre glass heat-insulation layer 161 as shown in Figure 2 at the inwall of casing 100), Temperature Humidity Sensor 700, evaporimeter 200, heater 800, humidifier 900, refrigeration compressor 400 is all by PLC control system (not shown) control connection, PLC control system inside has the temperature control system (not shown) at 0.5 degree centigrade by thermal evenness controlling, after temperature control system is collected temperature information, the control PLC control system makes Temperature Humidity Sensor 700, evaporimeter 200, heater 800, humidifier 900, refrigeration compressor 400 work, so that the thermal evenness controlling in workplace 110 is in 0.5 degree centigrade, and double insulation 160 makes the range of temperature in workplace 110 little.
The return air plate 150 at the uniform board 140 of the left and right sides of casing 100, top and bottom and casing 100 tops all assembles by overlap joint, cleaning equipment for convenience detach.
Above demonstration and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (2)
1. uniformity is less than 0.5 degree centigrade of level humiture environmental test equipment temperature even distribution device, comprises casing and the equipment room that is arranged on lower box, and described cabinets cavity has workplace and circulation air path, it is characterized in that, also comprises:
The air circulation fans that is arranged on described casing top and is communicated with described circulation air path;
Be arranged on Temperature Humidity Sensor, evaporimeter, heater, humidifier on described cabinet wall, wherein evaporimeter is arranged in described circulation air path;
Be arranged on refrigeration compressor and condenser in described equipment room, described refrigeration compressor is connected by drain pipe with condenser, and described refrigeration compressor is connected with described evaporimeter by return duct, and described condenser is connected with described evaporimeter by capillary;
The left and right sides at casing, top and bottom are provided with uniform board, and also be furnished with the return air plate below the uniform board at described casing top, inwall at described casing is provided with the double insulation consisted of polyurethane insulation coating and ultra-fine fibre glass heat-insulation layer, described Temperature Humidity Sensor, evaporimeter, heater, humidifier, refrigeration compressor is all by PLC control system control connection, described PLC control system inside has the temperature control system at 0.5 degree centigrade by thermal evenness controlling, after described temperature control system is collected temperature information, the described PLC control system of control makes Temperature Humidity Sensor, evaporimeter, heater, humidifier, refrigeration compressor work, so that the thermal evenness controlling in described workplace is in 0.5 degree centigrade.
2. uniformity as claimed in claim 1 is less than 0.5 degree centigrade of level humiture environmental test equipment temperature even distribution device, it is characterized in that, the return air plate at the uniform board of the left and right sides of described casing, top and bottom and described casing top all assembles by overlap joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310401638.1A CN103480437A (en) | 2013-09-05 | 2013-09-05 | Thermal field uniform distribution device for temperature and humidity environment testing equipment with uniformity of less than 0.5 degree centigrade grade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310401638.1A CN103480437A (en) | 2013-09-05 | 2013-09-05 | Thermal field uniform distribution device for temperature and humidity environment testing equipment with uniformity of less than 0.5 degree centigrade grade |
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| CN103480437A true CN103480437A (en) | 2014-01-01 |
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| CN201310401638.1A Pending CN103480437A (en) | 2013-09-05 | 2013-09-05 | Thermal field uniform distribution device for temperature and humidity environment testing equipment with uniformity of less than 0.5 degree centigrade grade |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103900340A (en) * | 2014-03-13 | 2014-07-02 | 江苏方正计量检测有限公司 | Cold and hot balance control device of high and low temperature damp heat test equipment |
| CN104457001A (en) * | 2014-12-30 | 2015-03-25 | 广东宏展科技有限公司 | Refrigerating system of environment test device |
| CN105032506A (en) * | 2015-07-16 | 2015-11-11 | 苏州贝茵医疗器械有限公司 | Energy storage-type high precision environmental climate chamber |
| CN105498865A (en) * | 2015-12-21 | 2016-04-20 | 苏州市东华试验仪器有限公司 | Improved cryogenic box |
| CN107621476A (en) * | 2017-11-10 | 2018-01-23 | 长安大学 | A kind of comprehensive soil freezing heave experimental rig and method |
| CN108325575A (en) * | 2018-03-01 | 2018-07-27 | 湖州光博生物科技有限公司 | A kind of bioengineering Reagent Tube storage cabinet |
| CN109225361A (en) * | 2018-11-08 | 2019-01-18 | 工辉科技(苏州)有限公司 | A kind of high-low temperature test chamber to be dehumidified using low-temperature coil |
| CN109342307A (en) * | 2018-11-05 | 2019-02-15 | 苏州市东华试验仪器有限公司 | A kind of climatic chamber with rain system |
| CN109395791A (en) * | 2018-11-05 | 2019-03-01 | 苏州市东华试验仪器有限公司 | A kind of outer circulation inner controller for test |
| CN114165855A (en) * | 2022-02-15 | 2022-03-11 | 广州能源检测研究院 | Air circulation control system and method capable of achieving self-adaptive temperature adjustment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201765172U (en) * | 2010-08-05 | 2011-03-16 | 多禾试验设备(上海)有限公司 | High-and-low temperature humid heat test box |
-
2013
- 2013-09-05 CN CN201310401638.1A patent/CN103480437A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201765172U (en) * | 2010-08-05 | 2011-03-16 | 多禾试验设备(上海)有限公司 | High-and-low temperature humid heat test box |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103900340A (en) * | 2014-03-13 | 2014-07-02 | 江苏方正计量检测有限公司 | Cold and hot balance control device of high and low temperature damp heat test equipment |
| CN104457001A (en) * | 2014-12-30 | 2015-03-25 | 广东宏展科技有限公司 | Refrigerating system of environment test device |
| CN105032506A (en) * | 2015-07-16 | 2015-11-11 | 苏州贝茵医疗器械有限公司 | Energy storage-type high precision environmental climate chamber |
| CN105498865A (en) * | 2015-12-21 | 2016-04-20 | 苏州市东华试验仪器有限公司 | Improved cryogenic box |
| CN107621476A (en) * | 2017-11-10 | 2018-01-23 | 长安大学 | A kind of comprehensive soil freezing heave experimental rig and method |
| CN108325575A (en) * | 2018-03-01 | 2018-07-27 | 湖州光博生物科技有限公司 | A kind of bioengineering Reagent Tube storage cabinet |
| CN109342307A (en) * | 2018-11-05 | 2019-02-15 | 苏州市东华试验仪器有限公司 | A kind of climatic chamber with rain system |
| CN109395791A (en) * | 2018-11-05 | 2019-03-01 | 苏州市东华试验仪器有限公司 | A kind of outer circulation inner controller for test |
| CN109225361A (en) * | 2018-11-08 | 2019-01-18 | 工辉科技(苏州)有限公司 | A kind of high-low temperature test chamber to be dehumidified using low-temperature coil |
| CN114165855A (en) * | 2022-02-15 | 2022-03-11 | 广州能源检测研究院 | Air circulation control system and method capable of achieving self-adaptive temperature adjustment |
| CN114165855B (en) * | 2022-02-15 | 2022-05-24 | 广州能源检测研究院 | Air circulation control system and method capable of achieving self-adaptive temperature adjustment |
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Application publication date: 20140101 |