CN203480339U - Temperature and humidity environmental test equipment thermal field uniform distribution device with uniformity less than 0.5 degree centigrade level - Google Patents

Temperature and humidity environmental test equipment thermal field uniform distribution device with uniformity less than 0.5 degree centigrade level Download PDF

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Publication number
CN203480339U
CN203480339U CN201320575010.9U CN201320575010U CN203480339U CN 203480339 U CN203480339 U CN 203480339U CN 201320575010 U CN201320575010 U CN 201320575010U CN 203480339 U CN203480339 U CN 203480339U
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CN
China
Prior art keywords
temperature
casing
evaporator
humidity sensor
refrigeration compressor
Prior art date
Application number
CN201320575010.9U
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Chinese (zh)
Inventor
马德金
马德理
范丽娟
王秀丽
姜允
张磊
Original Assignee
多禾试验设备(上海)有限公司
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Priority to CN201320575010.9U priority Critical patent/CN203480339U/en
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Publication of CN203480339U publication Critical patent/CN203480339U/en

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Abstract

The utility model discloses a temperature and humidity environmental test equipment thermal field uniform distribution device with uniformity less than 0.5 degree Celsius level. The device comprises a box body and an equipment chamber arranged at the lower part of the box body, wherein an inner cavity of the box body is provided with a working chamber and an air circulation flue; and the device further comprises an air circulation fan, a temperature and humidity sensor, an evaporator, a heater, a humidifier, a refrigeration compressor, a condenser, a video device and an alarm device, wherein uniform distribution plates are arranged on left and right sides, the top part and the bottom part of the box body, an air return plate is arranged at the top part of the box body, the inwall of the box body is provided with three layers of thermal insulation layers, the temperature and humidity sensor, the evaporator, the heater, the humidifier, the refrigeration compressor, the video device and the alarm device are in control connection through a PLC control system, and a temperature control system used for controlling the temperature uniformity to be within 0.5 degree Celsius is arranged inside the PLC control system. According to the temperature and humidity environmental test equipment thermal field uniform distribution device, the temperature uniformity in the working chamber is controlled to be within 0.5 degree Celsius, and the workers can know the working conditions in the working chamber at any time.

Description

Homogeneity is less than 0.5 degree Celsius of level humiture environmental test equipment temperature even distribution device
Technical field
The utility model relates to humiture test equipment technical field, and particularly a kind of homogeneity is less than 0.5 degree Celsius of level humiture environmental test equipment temperature even distribution device.
Background technology
Existing constant temperature humidity chamber, conventionally the refrigeration system that adopts condenser, compressor, kapillary, evaporator and connecting tube to form, kapillary is connected between condenser and evaporator, condenser, compressor, evaporator adopt pipeline to connect successively, the warm field uniformity of this testing equipment meets 2 degrees Celsius of state quotas, but along with the requirement of existing test condition is more and more stricter, the warm field uniformity scope of 2 degrees Celsius is too large, need a kind of less warm field uniformity scope.
Utility model content
Technical problem to be solved in the utility model is for shortcomings and deficiencies of the prior art, provides a kind of and can reach the temperature even distribution device that homogeneity is less than 0.5 degree Celsius of level, to address the above problem.
The technical matters that the utility model solves can realize by the following technical solutions:
Homogeneity is less than 0.5 degree Celsius 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, evaporator, well heater, humidifier on described cabinet wall, wherein evaporator 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 evaporator by recirculatory pipe, and described condenser is connected with described evaporator by kapillary;
Be arranged on the video-unit at described cabinet wall top, described video-unit periphery is coated with transparent thermal insulation shell;
Be arranged on the warning device of described casing periphery, described warning device and described Temperature Humidity Sensor control linkage are also monitored the data message of described Temperature Humidity Sensor;
The left and right sides at casing, top and bottom are provided with uniform board, and below the uniform board at described casing top, be also furnished with return air plate, inwall at described casing is provided with by outer polyurethane insulation coating, ultra-fine fibre glass heat-insulation layer, three layers of heat-insulation layer that interior polyurethane insulation coating forms, described Temperature Humidity Sensor, evaporator, well heater, humidifier, refrigeration compressor, video-unit, warning device is all by PLC control system control linkage, described PLC control system inside has the temperature control system at 0.5 degree Celsius by thermal evenness controlling, described temperature control system is collected and is controlled described PLC control system after temperature information and make Temperature Humidity Sensor, evaporator, well heater, humidifier, refrigeration compressor work, so that the thermal evenness controlling in described workplace is in 0.5 degree Celsius.
In a kind of preferred embodiment of the present utility model, 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, the beneficial effects of the utility model are: 2 degrees Celsius of state quota warm field uniformity scopes can be brought up to 0.5 degree Celsius, three layers of heat-insulation layer make the range of temperature in workplace little, and uniform board and return air plate assemble by overlap joint, cleaning equipment for convenience detach, video-unit can facilitate staff constantly to understand the operating mode in workplace, temperature homogeneity in Temperature Humidity Sensor detects workplace exceeds preset range, just by warning device, give the alarm and remind staff, the convenient operating mode of grasping.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is side-looking cross-sectional view of the present utility model.
Fig. 2 is the structural representation of double insulation of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Homogeneity shown in Figure 1 is less than 0.5 degree Celsius 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 being communicated with circulation air path 130, Temperature Humidity Sensor 700 on casing 100 inwalls, evaporator 200, well heater 800, humidifier 900, wherein evaporator 200 is arranged in circulation air path 130, casing 100 inwall tops are provided with video-unit 1000, video-unit 1000 peripheries are coated with transparent thermal insulation shell 1100, staff can constantly understand the operating mode in workplace 110 by video-unit 1000, and transparent thermal insulation shell 1100 effectively prevents that video-unit 1000 is affected by the humiture in workplace 110.
Casing 100 peripheries are provided with warning device 1200, warning device 1200 and Temperature Humidity Sensor 700 control linkages are also monitored the data message of Temperature Humidity Sensor 700, temperature homogeneity in Temperature Humidity Sensor 700 detects workplace 110 exceeds preset range, just by warning device 1200, give the alarm and remind staff, the convenient operating mode of grasping.
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 evaporator 200 by recirculatory pipe 630, and condenser 500 is by being connected with evaporator 200 by kapillary 610 after copper pipe 620 again.
The left and right sides, top and bottom at casing 100 are provided with uniform board 140, and be also furnished with return air plate 150 below the uniform board 140 at casing 100 tops, at the inwall of casing 100, be provided with three layers of heat-insulation layer 160(being formed by outer polyurethane insulation coating 161, ultra-fine fibre glass heat-insulation layer 162, interior polyurethane insulation coating 163 as shown in Figure 2), the good effect of heat insulation of three layers of heat-insulation layer 160, reduce the thermal loss in workplace 110, be beneficial to the temperature of controlling in workplace 110.Temperature Humidity Sensor 700, evaporator 200, well heater 800, humidifier 900, refrigeration compressor 400 is all by PLC control system (not shown) control linkage, PLC control system inside has the temperature control system (not shown) at 0.5 degree Celsius by thermal evenness controlling, after temperature control system is collected temperature information, control PLC control system makes Temperature Humidity Sensor 700, evaporator 200, well heater 800, humidifier 900, refrigeration compressor 400 work, so that the thermal evenness controlling in workplace 110 is in 0.5 degree Celsius, 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.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (2)

1. homogeneity is less than 0.5 degree Celsius 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, evaporator, well heater, humidifier on described cabinet wall, wherein evaporator 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 evaporator by recirculatory pipe, and described condenser is connected with described evaporator by kapillary;
Be arranged on the video-unit at described cabinet wall top, described video-unit periphery is coated with transparent thermal insulation shell;
Be arranged on the warning device of described casing periphery, described warning device and described Temperature Humidity Sensor control linkage are also monitored the data message of described Temperature Humidity Sensor;
The left and right sides at casing, top and bottom are provided with uniform board, and below the uniform board at described casing top, be also furnished with return air plate, inwall at described casing is provided with by outer polyurethane insulation coating, ultra-fine fibre glass heat-insulation layer, three layers of heat-insulation layer that interior polyurethane insulation coating forms, described Temperature Humidity Sensor, evaporator, well heater, humidifier, refrigeration compressor, video-unit, warning device is all by PLC control system control linkage, described PLC control system inside has the temperature control system at 0.5 degree Celsius by thermal evenness controlling, described temperature control system is collected and is controlled described PLC control system after temperature information and make Temperature Humidity Sensor, evaporator, well heater, humidifier, refrigeration compressor work, so that the thermal evenness controlling in described workplace is in 0.5 degree Celsius.
2. homogeneity as claimed in claim 1 is less than 0.5 degree Celsius 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.
CN201320575010.9U 2013-09-16 2013-09-16 Temperature and humidity environmental test equipment thermal field uniform distribution device with uniformity less than 0.5 degree centigrade level CN203480339U (en)

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CN201320575010.9U CN203480339U (en) 2013-09-16 2013-09-16 Temperature and humidity environmental test equipment thermal field uniform distribution device with uniformity less than 0.5 degree centigrade level

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Application Number Priority Date Filing Date Title
CN201320575010.9U CN203480339U (en) 2013-09-16 2013-09-16 Temperature and humidity environmental test equipment thermal field uniform distribution device with uniformity less than 0.5 degree centigrade level

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN105381823A (en) * 2015-12-21 2016-03-09 苏州市东华试验仪器有限公司 Carbonization box having seeing-through glass window
CN105396629A (en) * 2015-12-21 2016-03-16 苏州市东华试验仪器有限公司 High-low temperature test chamber with PID control
CN105498863A (en) * 2015-12-21 2016-04-20 苏州市东华试验仪器有限公司 High-temperature and high-humidity box with evaporatoroverflowing device
CN105498865A (en) * 2015-12-21 2016-04-20 苏州市东华试验仪器有限公司 Improved cryogenic box
CN105536891A (en) * 2015-12-21 2016-05-04 苏州市东华试验仪器有限公司 High-low-temperature test chamber with high-temperature-resistant layer
CN105536890A (en) * 2015-12-21 2016-05-04 苏州市东华试验仪器有限公司 High and low temperature test chamber with evaporator overflowing device
CN105547977A (en) * 2015-12-21 2016-05-04 苏州市东华试验仪器有限公司 A sulfate test chamber with a high-temperature resistant layer
CN105562128A (en) * 2015-12-21 2016-05-11 苏州市东华试验仪器有限公司 Constant-temperature constant-humidity chamber with PID (proportion, integration, differentiation) controller
CN105597844A (en) * 2015-12-21 2016-05-25 苏州市东华试验仪器有限公司 Constant temperature and humidity box with evaporator overcurrent device
CN105606521A (en) * 2015-12-21 2016-05-25 苏州市东华试验仪器有限公司 Aging box with high-temperature resistant layer
CN105628592A (en) * 2015-12-21 2016-06-01 苏州市东华试验仪器有限公司 Constant-temperature and constant-humidity box with vacuum glass window

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN105381823A (en) * 2015-12-21 2016-03-09 苏州市东华试验仪器有限公司 Carbonization box having seeing-through glass window
CN105396629A (en) * 2015-12-21 2016-03-16 苏州市东华试验仪器有限公司 High-low temperature test chamber with PID control
CN105498863A (en) * 2015-12-21 2016-04-20 苏州市东华试验仪器有限公司 High-temperature and high-humidity box with evaporatoroverflowing device
CN105498865A (en) * 2015-12-21 2016-04-20 苏州市东华试验仪器有限公司 Improved cryogenic box
CN105536891A (en) * 2015-12-21 2016-05-04 苏州市东华试验仪器有限公司 High-low-temperature test chamber with high-temperature-resistant layer
CN105536890A (en) * 2015-12-21 2016-05-04 苏州市东华试验仪器有限公司 High and low temperature test chamber with evaporator overflowing device
CN105547977A (en) * 2015-12-21 2016-05-04 苏州市东华试验仪器有限公司 A sulfate test chamber with a high-temperature resistant layer
CN105562128A (en) * 2015-12-21 2016-05-11 苏州市东华试验仪器有限公司 Constant-temperature constant-humidity chamber with PID (proportion, integration, differentiation) controller
CN105597844A (en) * 2015-12-21 2016-05-25 苏州市东华试验仪器有限公司 Constant temperature and humidity box with evaporator overcurrent device
CN105606521A (en) * 2015-12-21 2016-05-25 苏州市东华试验仪器有限公司 Aging box with high-temperature resistant layer
CN105628592A (en) * 2015-12-21 2016-06-01 苏州市东华试验仪器有限公司 Constant-temperature and constant-humidity box with vacuum glass window

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