CN103691497B - A kind of constant temperature humidity chamber - Google Patents

A kind of constant temperature humidity chamber Download PDF

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Publication number
CN103691497B
CN103691497B CN201310738595.6A CN201310738595A CN103691497B CN 103691497 B CN103691497 B CN 103691497B CN 201310738595 A CN201310738595 A CN 201310738595A CN 103691497 B CN103691497 B CN 103691497B
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water
box
pipeline
tank
balance
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CN201310738595.6A
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CN103691497A (en
Inventor
王毅成
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SUZHOU DONGHUA TESTING INSTRUMENT CO Ltd
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SUZHOU DONGHUA TESTING INSTRUMENT CO Ltd
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Abstract

The invention discloses a kind of constant temperature humidity chamber, including main box;Operating room, heat-insulation layer, air circulation device, control device, refrigerating plant, moisture-catcher, heater, humidification device and drainpipe are provided with the main box;Humidification device includes heating water tank and water replanishing device;The heating water tank is connected by pipeline with operating room;Water replanishing device includes water supply box, balance water box and storage tank;Water supply box, balance water box and storage tank are set gradually from top to bottom;Water supply box is stated with equilibrium water box by the first pipeline to be connected;Balance water box are connected by U-tube with heating water tank;The both ends of U-tube are connected with equilibrium water cassette bottom portion and heating water tank bottom respectively;Balance water box are connected by the second pipeline with storage tank;Storage tank is connected by the 3rd pipeline with water supply box;Water level switch is provided with water supply box;Water level pipe is provided with inside balance water box upwards;Water level pipe communicates with the second pipeline;Substantially increase the accuracy of work indoor humidity.

Description

A kind of constant temperature humidity chamber
Technical field
The present invention relates to a kind of testing equipment, more particularly to a kind of constant temperature humidity chamber.
Background technology
The equipment of performance and the various materials of experiment are heat-resisting, resistance under circumstances for detecting material for constant temperature humidity chamber Cold, resistance to dry, moisture-proof.Constant temperature humidity chamber of the prior art includes main box, and operating room, insulation are provided with main box Layer, refrigerating plant, moisture-catcher, heater, humidification device, control device, drainpipe and air circulation device, main box with Heat-insulation layer is provided between operating room, air circulation device is arranged in heat-insulation layer, and control device is used to control the device in main box Co-ordination, drainpipe are connected with operating room, refrigerating plant and moisture-catcher respectively.
In general humidification device includes heating water tank and water replanishing device, and water replanishing device adds water to heating water tank, heats water Case heats to water, then exports steam by pipeline, operating room is humidified.Above-mentioned water replanishing device generally comprises benefit Water box, water-feed and the pipeline of connection moisturizing box and water-feed.When water level is less than the water level switch in moisturizing box in moisturizing box When, water-feed moisturizing into moisturizing box, the moisturizing into heating water tank of moisturizing box, during moisturizing, the boiling water in heating water tank usually can Backflow;Simultaneously as when water level is less than the water level switch in moisturizing box in moisturizing box, just start moisturizing, disposable moisturizing makes Obtain the change of the boiling water in heating water tank not boil, it cannot provide enough steam into test piece box, so as to leverage work The accuracy of indoor humidity.
The content of the invention
For above-mentioned technical problem, the purpose of the present invention is:Work indoor humidity can be improved by proposing one kind Accuracy constant temperature humidity chamber.
What the technical solution of the present invention was realized in:A kind of constant temperature humidity chamber, including main box;The master Operating room, heat-insulation layer, air circulation device, control device, refrigerating plant, moisture-catcher, heater, humidification are provided with casing Device and drainpipe;Heat-insulation layer is provided between the main box and operating room;The air circulation device is arranged in heat-insulation layer;Institute Control device is stated to be used to control the device co-ordination in main box;The drainpipe is respectively with operating room, refrigerating plant and going Wet device is connected;The humidification device includes heating water tank and water replanishing device;The heating water tank passes through pipeline and operating room's phase Even;The water replanishing device includes water supply box, balance water box and storage tank;The water supply box, balance water box and storage tank on to Under set gradually;The water supply box is connected with equilibrium water box by the first pipeline;The balance water box pass through U-tube and heating water Case is connected;The both ends of the U-tube are connected with equilibrium water cassette bottom portion and heating water tank bottom respectively;The balance water box pass through the Two pipelines are connected with storage tank;The storage tank is connected by the 3rd pipeline with water supply box;Opened in the water supply box provided with water level Close;Water level pipe is provided with inside the balance water box upwards;The water level pipe communicates with the second pipeline.
Preferably, it is additionally provided with control room in the main box;The operating room and control room are against setting;The operating room The top of main box is arranged on control room;The bottom of the main box sets refrigerating plant, moisture-catcher and drainpipe.
Preferably, control device and humidification device are provided with the control room.
Preferably, temperature sensor and humidity sensor are additionally provided with the control room.
Preferably, the air circulation device includes circulating fan and circulation air path;The circulating fan is arranged on circulation In air channel.
Preferably, the refrigerating plant includes the first evaporator;The moisture-catcher includes the second evaporator;The heating Device, the first evaporator and the second evaporator are set in circulation air path;First evaporator and the second evaporator are arranged on and followed Between ring blower fan and heater.
Preferably, the U-tube is heat-insulated silica gel pipe.
Due to the utilization of above-mentioned technical proposal, the present invention has following advantages compared with prior art:
The constant temperature humidity chamber of the present invention, because in humidification device, balance water box pass through U-tube and heating water tank phase Even, U-tube prevents the boiling water in heating water tank from flowing back by fluid-tight;Meanwhile balance water box ensure that the boiling in heating water tank Water is boiling water always, so that humidification device can provide enough steam into operating room, and then substantially increases work The accuracy of indoor humidity.
Brief description of the drawings
Technical solution of the present invention is described further below in conjunction with the accompanying drawings:
Accompanying drawing 1 is the structural representation of the constant temperature humidity chamber of the present invention;
Accompanying drawing 2 is another viewing angle constructions schematic diagram of the constant temperature humidity chamber of the present invention;
Accompanying drawing 3 is the structural representation of the humidification device of the constant temperature humidity chamber of the present invention;
Wherein:1st, main box;2nd, operating room;3rd, heat-insulation layer;4th, control device;5th, refrigerating plant;6th, moisture-catcher;7th, add Thermal;8th, drainpipe;9th, control room;10th, temperature sensor;11st, humidity sensor;12nd, circulating fan;13rd, the first evaporation Device;14th, the second evaporator;15th, heating water tank;16th, water supply box;17th, water box are balanced;18th, storage tank;19th, the first pipeline;20、U Type pipe;21st, the second pipeline;22nd, the 3rd pipeline;23rd, water level switch;24th, water level pipe.
Embodiment
Illustrate the present invention below in conjunction with the accompanying drawings.
A kind of constant temperature humidity chamber of the present invention as illustrated in the accompanying drawings from 1 to 3, including main box 1;The main box 1 It is interior be provided with operating room 2, heat-insulation layer 3, air circulation device, control device 4, refrigerating plant 5, moisture-catcher 6, heater 7, plus Wet device and drainpipe 8;Control room 9 is additionally provided with the main box 1;The operating room 2 and control room 9 are against setting;It is described Operating room 2 and control room 9 are arranged on the top of main box 1;The bottom of the main box 1 sets refrigerating plant 5, moisture-catcher 6 With drainpipe 8;The drainpipe 8 is connected with operating room 2, refrigerating plant 5 and moisture-catcher 6 respectively;It is provided with the control room 9 Control device 4 and humidification device;The control device 4 is used to control the device co-ordination in main box;In the control room 8 It is additionally provided with temperature sensor 10 and humidity sensor 11;Heat-insulation layer 3 is provided between the main box 1 and operating room 2;The air follows Loop device is arranged in heat-insulation layer 3;The air circulation device includes circulating fan 12 and circulation air path(Not shown in figure);Institute Circulating fan 12 is stated to be arranged in circulation air path;The refrigerating plant 5 includes the first evaporator 13;The moisture-catcher 6 includes Second evaporator 14;The heater 7, the first evaporator 13 and the second evaporator 14 are set in circulation air path;Described first The evaporator 14 of evaporator 13 and second is arranged between circulating fan 12 and heater 7;The humidification device includes heating water Case 15 and water replanishing device;The heating water tank 15 is connected by pipeline with operating room 2;The water replanishing device include water supply box 16, Balance water box 17 and storage tank 18;The water supply box 16, balance water box 17 and storage tank 18 are set gradually from top to bottom;The confession Water box 16 are connected with equilibrium water box 17 by the first pipeline 19;The balance water box 17 pass through U-tube 20 and the phase of heating water tank 15 Even;The both ends of the U-tube 20 are connected with the balance bottom of water box 17 and the bottom of heating water tank 15 respectively;The balance water box 17 are logical The second pipeline 21 is crossed with storage tank 18 to be connected;The storage tank 18 is connected by the 3rd pipeline 22 with water supply box 16;The water supply Water level switch 23 is provided with box 16;The inside of balance water box 17 is provided with water level pipe 24 upwards;The water level pipe 24 and second is managed Road 21 communicates;The U-tube 20 is heat-insulated silica gel pipe.
The constant temperature humidity chamber of the present invention, because in humidification device, balance water box 17 pass through U-tube 20 and heating water tank 15 are connected, and U-tube 20 prevents the boiling water in heating water tank 15 from flowing back by fluid-tight;Meanwhile balance water box 17 and ensure that heating Water in water tank 15 so that the boiling water in heating water tank 15 is boiling water always, so that humidification device can be to operating room 2 It is interior that enough steam is provided, so as to substantially increase the accuracy of humidity in operating room 2;Water level in balance water box 17 exceedes water During the pipe 24 of position, unnecessary water can be flowed into storage tank 18 from the pipeline 21 of water level pipe 24 and second, when the water level of water supply box 16 is less than During water level switch 23, the meeting of storage tank 18 moisturizing into water supply box 16, the water in balance water box 17 ensure that.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art Scholar can understand present disclosure and be carried out, and it is not intended to limit the scope of the present invention, all according to the present invention The equivalent change or modification that Spirit Essence is made, it should all cover within the scope of the present invention.

Claims (5)

  1. A kind of 1. constant temperature humidity chamber, it is characterised in that:Including main box;Be provided with the main box operating room, heat-insulation layer, Air circulation device, control device, refrigerating plant, moisture-catcher, heater, humidification device and drainpipe;The main box Heat-insulation layer is provided between operating room;The air circulation device is arranged in heat-insulation layer;The control device is used to control main tank Internal device co-ordination;The drainpipe is connected with operating room, refrigerating plant and moisture-catcher respectively;The humidification device Including heating water tank and water replanishing device;The heating water tank is connected by pipeline with operating room;The water replanishing device includes supplying water Box, balance water box and storage tank;The water supply box, balance water box and storage tank are set gradually from top to bottom;The water supply box and Balance water box are connected by the first pipeline;The balance water box are connected by U-tube with heating water tank;The both ends of the U-tube It is connected respectively with equilibrium water cassette bottom portion and heating water tank bottom;The balance water box are connected by the second pipeline with storage tank;Institute Storage tank is stated by the 3rd pipeline with water supply box to be connected;Water level switch is provided with the water supply box;Inside the balance water box to It is provided with water level pipe;The water level pipe communicates with the second pipeline;Control room is additionally provided with the main box;The operating room and control Room processed is against setting;The operating room and control room are arranged on the top of main box;The bottom of the main box sets refrigeration dress Put and moisture-catcher and drainpipe;The U-tube is heat-insulated silica gel pipe.
  2. 2. constant temperature humidity chamber according to claim 1, it is characterised in that:Be provided with the control room control device and Humidification device.
  3. 3. constant temperature humidity chamber according to claim 2, it is characterised in that:TEMP is additionally provided with the control room Device and humidity sensor.
  4. 4. the constant temperature humidity chamber according to one of claims 1 to 3, it is characterised in that:The air circulation device bag Include circulating fan and circulation air path;The circulating fan is arranged in circulation air path.
  5. 5. constant temperature humidity chamber according to claim 4, it is characterised in that:The refrigerating plant includes the first evaporation Device;The moisture-catcher includes the second evaporator;The heater, the first evaporator and the second evaporator set circulation air path It is interior;First evaporator and the second evaporator are arranged between circulating fan and heater.
CN201310738595.6A 2013-12-28 2013-12-28 A kind of constant temperature humidity chamber Active CN103691497B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201310738595.6A CN103691497B (en) 2013-12-28 2013-12-28 A kind of constant temperature humidity chamber

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CN103691497B true CN103691497B (en) 2018-04-10

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104133186B (en) * 2014-08-04 2017-04-19 广州赛宝计量检测中心服务有限公司 Air thermostatic box for verification or calibration of air type standard resistor
CN104499739A (en) * 2014-12-19 2015-04-08 苏州市东华试验仪器有限公司 Temperature and humidity laboratory
CN105547978A (en) * 2015-12-21 2016-05-04 苏州市东华试验仪器有限公司 A dipping box with water circulation for heating
CN105372398A (en) * 2015-12-21 2016-03-02 苏州市东华试验仪器有限公司 Rapid freezing and thawing box provided with water circulating and heating water tank
CN105536889A (en) * 2015-12-21 2016-05-04 苏州市东华试验仪器有限公司 Water circulation heating low temperature constant humidity box
CN107051594A (en) * 2017-06-15 2017-08-18 东莞市长丰仪器有限公司 A kind of constant temperature humidity chamber of worm-gear driven wind circulation
CN110966759A (en) * 2019-12-09 2020-04-07 深圳市鼎准电子有限公司 Water supply structure of damp and hot system in high and low temperature alternating damp and hot test box

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CN2193490Y (en) * 1994-05-21 1995-03-29 关恩正 Self-control steam producer
CN2216633Y (en) * 1995-03-02 1996-01-03 李建新 Pressureless multi-function steam furnace
CN2324918Y (en) * 1997-10-05 1999-06-23 吴鸿平 Heating cylinder with same liquid level
CN102353133A (en) * 2011-08-01 2012-02-15 宁波市塞纳电热电器有限公司 Quick-heating electrical heating water boiling device
CN102692079A (en) * 2012-06-13 2012-09-26 宁波圣莱达电器股份有限公司 Water lack protection device for fast water boiler
CN202521581U (en) * 2012-01-18 2012-11-07 美的集团有限公司 Quick steam generating system
CN203108541U (en) * 2012-08-06 2013-08-07 深圳市宇泰试验设备有限公司 Constant-temperature and constant-humidity test box
CN203737268U (en) * 2013-12-28 2014-07-30 苏州市东华试验仪器有限公司 Constant-temperature and constant-humidity testing tank

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WO2006103669A1 (en) * 2005-03-31 2006-10-05 Aviam Eli Water heating device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2193490Y (en) * 1994-05-21 1995-03-29 关恩正 Self-control steam producer
CN2216633Y (en) * 1995-03-02 1996-01-03 李建新 Pressureless multi-function steam furnace
CN2324918Y (en) * 1997-10-05 1999-06-23 吴鸿平 Heating cylinder with same liquid level
CN102353133A (en) * 2011-08-01 2012-02-15 宁波市塞纳电热电器有限公司 Quick-heating electrical heating water boiling device
CN202521581U (en) * 2012-01-18 2012-11-07 美的集团有限公司 Quick steam generating system
CN102692079A (en) * 2012-06-13 2012-09-26 宁波圣莱达电器股份有限公司 Water lack protection device for fast water boiler
CN203108541U (en) * 2012-08-06 2013-08-07 深圳市宇泰试验设备有限公司 Constant-temperature and constant-humidity test box
CN203737268U (en) * 2013-12-28 2014-07-30 苏州市东华试验仪器有限公司 Constant-temperature and constant-humidity testing tank

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