CN107126979A - Programmable constant temperature humidity chamber and control system - Google Patents
Programmable constant temperature humidity chamber and control system Download PDFInfo
- Publication number
- CN107126979A CN107126979A CN201710465885.6A CN201710465885A CN107126979A CN 107126979 A CN107126979 A CN 107126979A CN 201710465885 A CN201710465885 A CN 201710465885A CN 107126979 A CN107126979 A CN 107126979A
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- China
- Prior art keywords
- casing
- control system
- constant temperature
- temperature humidity
- humidity chamber
- 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.)
- Pending
Links
- 238000005057 refrigeration Methods 0.000 claims abstract description 31
- 238000012360 testing method Methods 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000009833 condensation Methods 0.000 claims description 8
- 239000005336 safety glass Substances 0.000 claims description 6
- 230000002950 deficient Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 3
- 229910001120 nichrome Inorganic materials 0.000 claims description 3
- 238000010025 steaming Methods 0.000 claims 3
- 230000005611 electricity Effects 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000036541 health Effects 0.000 abstract description 3
- 230000002688 persistence Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L1/00—Enclosures; Chambers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L7/00—Heating or cooling apparatus; Heat insulating devices
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
Landscapes
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention relates to testing equipment technical field, especially programmable constant temperature humidity chamber and control system, including casing and chamber door, chamber door is hinged on the side of left upper portion one of casing, the right side of casing is provided with control system, the rear portion of control system is provided with control cabinet for power distribution, casing is internally provided with heater, humidifier, water tank, test cabinet and refrigeration system, refrigeration system includes evaporator, refrigeration compressor and condenser, and refrigeration compressor, condenser and water tank may be contained within testting the lower section of room.Beneficial effect of the present invention：Test system architecture advanced and reasonable design of the present invention, manufacturing process specification, it is appearance looks elegant, generous, the chamber major function component is configured, improved the safety and reliability of product using World Famous Brand, user's long-time, high-frequency use requirement are can guarantee that, equipment has good operability, maintainability, good temperature stability and persistence, good security performance, free from environmental pollution and harm health of human body.
Description
Technical field
The present invention relates to testing equipment technical field, especially programmable constant temperature humidity chamber and control system.
Background technology
Constant temperature and moisture test machine be product constant temperature and moisture test in important test equipment, ring mainly is carried out to product
Border temperature simulation experiment, the problem of existing constant temperature and moisture test machine has certain in design, its water system device is present
One it is great the problem of, (1) supply water it is unstable, water level can not be controlled accurately；(2) appearance is anhydrous does not alarm；(3) because of air pressure
Imbalance, water can not be supplied to position.So as to cause complete machine to break down, while in terms of constant humidity, spilling water loop good can not be obtained
To control, cause hydraulic overflow problem, influence whole system is unstable, while can not accurately be controlled in terms of temperature control.
Existing constant temperature humidity chamber is typically all to stop heating after spin manifold temperature is too high, to reduce temperature, so
Temperature in casing can also persistently overheating one end time, and the speed of reduction is very slow and unstable, and control effect is very
Difference.Also it is unfavorable for monitoring real time temperature and humidity simultaneously, experiment condition is not all understood accurately, it is thus possible to can be to experiment
There is certain error.
Therefore, it is necessary to propose programmable constant temperature humidity chamber and control system for above mentioned problem.
The content of the invention
It is an object of the invention to overcome prior art problem, so that there is provided oxygen dynamical system.
In order to solve the above-mentioned technical problem, the present invention is to be achieved through the following technical solutions：
Programmable constant temperature humidity chamber, including casing and chamber door, the chamber door are hinged on the side of left upper portion one of casing,
The right side of the casing is provided with control system, and the rear portion of the control system is provided with control cabinet for power distribution, the casing
Heater, humidifier, water tank, test cabinet and refrigeration system are internally provided with, the refrigeration system includes evaporator, refrigerant compression
Machine and condenser, the test cabinet are arranged on the upper left quarter of casing, and the refrigeration compressor, condenser and water tank may be contained within surveying
The lower section of room is tested, the heater, humidifier, refrigeration compressor, evaporator, condenser and water tank electrically connect with control system
Connect, the inside of the casing is additionally provided with throttling arrangement, and throttling arrangement is connected between refrigeration compressor and evaporator.
Preferably, two specimen holders and illuminating lamp are provided with the test cabinet, two specimen holders are provided with 8 extensions
Hook, each specimen holder can load-bearing 25kg, the illuminating lamp is connected to control system.
Preferably, the centre position of the chamber door is provided with observation window, and the observation window uses safety glass, the chamber door
Anti-condensation electric calorifie installation is also associated with the window frame position of safety glass, the anti-condensation electric calorifie installation is connected to control system.
Preferably, the arm of angle of bottom four of the casing is respectively provided with Moving caster and adjustable fixed pin cup, described
The left side of casing is provided with fairlead, and the back side of the casing is respectively arranged with power supply string holes and osculum.
Preferably, the heater uses nichrome strip heater, and the heater is connected with solid-state relay
Device, the power of the heater and humidifier is 2.5KW.
Preferably, the refrigeration compressor uses totally-enclosed low noise rotor type cold compressor, and the evaporator is set
There is outer fin internal thread pipe heat exchanger.
Preferably, the condenser is provided with outer fin internal thread pipe heat exchanger, and the throttling arrangement includes expansion valve
And capillary.
Programmable constant temperature humidity chamber control system, including heater, humidifier, refrigeration compressor, evaporator, condensation
Device, control cabinet for power distribution and control panel, the control panel include controller display screen, USB flash disk interface, RS232 dataphones and connect
Mouth, maloperation hardware lock LOCK, power switch, emergency stop switch, status indicator lamp and acoustic-optic alarm, the heater,
Humidifier, refrigeration compressor, evaporator, condenser, control cabinet for power distribution, USB flash disk interface, RS232 dataphones interface, maloperation
Hardware lock LOCK, power switch, emergency stop switch, status indicator lamp and acoustic-optic alarm are all connected with controller display screen.
Preferably, the control cabinet for power distribution is provided with I O board, lathe transformer, ballast, auxiliary reclay, time relay
Device, solid-state relay, A.C. contactor, electrothermal relay, fuse, deficient reverse-phase relay and air switch, the lathe transformation
Device, ballast, auxiliary reclay, the time relay, solid-state relay, A.C. contactor, electrothermal relay, fuse, deficient anti-phase
Relay and air switch are installed in I O board.
Preferably, the model TEMI880 of the controller display screen, 5.7 inches, 640 × 480 dot matrix, TFT is color
Color LCD displays.
Beneficial effect of the present invention：Test system architecture advanced and reasonable design of the present invention, manufacturing process specification, appearance looks elegant,
Generous, the chamber major function component is obtained using World Famous Brand configuration, the advanced reliable, noise of technical principle and energy-conservation
Optimal Control --- the alternative same kind of products at abroad of its performance, the supporting and composition matching of parts is good, major function member device
Part using the imported with original packaging part with international most advanced level, improves the safety and reliability of product, can guarantee that and use the head of a household
Time, high-frequency use requirement, equipment has good operability, maintainability, good temperature stability and persistence, good
Security performance well, free from environmental pollution and harm health of human body.
The technique effect of the design of the present invention, concrete structure and generation is described further below with reference to accompanying drawing, with
It is fully understood from the purpose of the present invention, feature and effect.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the inside partial schematic diagram of the present invention；
Fig. 3 is the system structure diagram of the present invention.
Embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
Such as Fig. 1 and with reference to shown in Fig. 2 and Fig. 3, programmable constant temperature humidity chamber, including casing 1 and chamber door 2, the case
Door 2 is hinged on the side of left upper portion one of casing 1, and the right side of the casing 1 is provided with control system 5, the control system
The rear portion of system 5 is provided with control cabinet for power distribution, and the casing 1 is internally provided with heater, humidifier, water tank, test cabinet 3 and system
Cooling system, the refrigeration system includes evaporator, refrigeration compressor and condenser, and the test cabinet 3 is arranged on the upper left of casing 1
Portion, the refrigeration compressor 9, condenser 8 and water tank 7 may be contained within testting the lower section of room 3, the heater, humidifier, refrigeration
Compressor 9, evaporator, condenser 8 and water tank 7 are electrically connected with control system, and the inside of the casing 1 is additionally provided with throttling
Device, throttling arrangement is connected between refrigeration compressor and evaporator.
Further, two specimen holders and illuminating lamp 6 are provided with the test cabinet 3, two specimen holders are provided with 8
Individual hook, each specimen holder can load-bearing 25kg, the illuminating lamp is connected to control system.
Further, the centre position of the chamber door 2 is provided with observation window 4, and the observation window 4 uses safety glass, institute
The window frame position for stating chamber door 2 and safety glass is also associated with anti-condensation electric calorifie installation, and the anti-condensation electric calorifie installation is connected to control
System processed.
Further, the arm of angle of bottom four of the casing 1 is respectively provided with Moving caster and adjustable fixed pin cup, institute
The left side for stating casing 1 is provided with fairlead, and the back side of the casing 1 is respectively arranged with power supply string holes and osculum.
Further, the heater use nichrome strip heater, the heater be connected with solid-state after
Electrical equipment, the power of the heater and humidifier is 2.5KW, and the refrigeration compressor uses totally-enclosed low noise rotator type system
Cold compressor, the evaporator is provided with outer fin internal thread pipe heat exchanger, and the condenser is provided with outer fin internal thread
Pipe heat exchanger, the throttling arrangement includes expansion valve and capillary.
Programmable constant temperature humidity chamber control system, including heater, humidifier, refrigeration compressor, evaporator, condensation
Device, control cabinet for power distribution and control panel, the control panel include controller display screen, USB flash disk interface, RS232 dataphones and connect
Mouth, maloperation hardware lock LOCK, power switch, emergency stop switch, status indicator lamp and acoustic-optic alarm, the heater,
Humidifier, refrigeration compressor, evaporator, condenser, control cabinet for power distribution, USB flash disk interface, RS232 dataphones interface, maloperation
Hardware lock LOCK, power switch, emergency stop switch, status indicator lamp and acoustic-optic alarm are all connected with controller display screen.
Further, the control cabinet for power distribution be provided with I O board, lathe transformer, ballast, auxiliary reclay, the time after
Electrical equipment, solid-state relay, A.C. contactor, electrothermal relay, fuse, deficient reverse-phase relay and air switch, the lathe become
Depressor, ballast, auxiliary reclay, the time relay, solid-state relay, A.C. contactor, electrothermal relay, fuse, owe it is inverse
Phase relay and air switch are installed in I O board, the model TEMI880 of the controller display screen, 5.7 inches, 640
× 480 dot matrix, TFT color LCD displays.
Operation principle：Chamber door is pulled open first by placing object on rack, then set test cabinet in controller again
The parameter such as temperature and humidity so that air supply motor, refrigeration compressor, condenser and water tank 7 are worked accordingly, Ran Houguan
Upper chamber door, is observed the object of test in observation window.When the temperature in test cabinet is too high, controller will control refrigeration
Compressor and condenser carry out cooling processing to test cabinet；When the temperature in test cabinet is too low, controller will control heating
System is heated to test cabinet.
The present invention is required according to user, with reference to hot test method, low-temperature test method, steady-state damp heat test method, friendship
Become the manufacture of damp heat test method relevant art condition；Predominantly space flight, aviation, oil, chemical industry, military affairs, automobile（Motorcycle）, ship
The scientific researches such as oceangoing ship, electronics, communication and production unit provide humiture changing environment, for user to complete machine（Or part）, electrical equipment, instrument
Device, material etc. make Humidity Test, to examine the adaptability of test product or the behavior of test product to be made an appraisal.It is that new product is ground
The essential important tests means of system, prototype test, product qualification experiment overall process.
Test system architecture advanced and reasonable design of the present invention, manufacturing process specification, appearance looks elegant, generous, chamber master
Function component is wanted to be optimally controlled using World Famous Brand configuration, the advanced reliable, noise of technical principle and energy-conservation --- its
The alternative same kind of products at abroad of performance, the supporting and composition matching of parts is good, and major function component is using with state
The imported with original packaging part of border advanced level, improves the safety and reliability of product, can guarantee that user for a long time, high-frequency make
With requiring, equipment has good operability, maintainability, good temperature stability and persistence, good security performance, no
Pollute environment and harm health of human body.
Preferred embodiment of the invention described in detail above.It should be appreciated that one of ordinary skill in the art without
Need creative work just can make many modifications and variations according to the design of the present invention.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (10)
1. programmable constant temperature humidity chamber, it is characterised in that：Including casing and chamber door, the chamber door is hinged on the left side of casing
On the side of top one, the right side of the casing is provided with control system, and the rear portion of the control system is provided with electric control
Cabinet, the casing is internally provided with heater, humidifier, water tank, test cabinet and refrigeration system, and the refrigeration system includes steaming
Send out device, refrigeration compressor and condenser, the test cabinet is arranged on the upper left quarter of casing, the refrigeration compressor, condenser and
Water tank may be contained within test room lower section, the heater, humidifier, refrigeration compressor, evaporator, condenser and water tank with
Control system is electrically connected with, and the inside of the casing is additionally provided with throttling arrangement, and throttling arrangement is connected to refrigeration compressor and steaming
Between hair device.
2. programmable constant temperature humidity chamber as claimed in claim 1, it is characterised in that：Two are provided with the test cabinet
Specimen holder and illuminating lamp, two specimen holders are provided with 8 hooks, and each specimen holder can load-bearing 25kg, the illuminating lamp company
It is connected to control system.
3. programmable constant temperature humidity chamber as claimed in claim 1, it is characterised in that：The centre position of the chamber door is set
There is observation window, the observation window uses safety glass, and the window frame position of the chamber door and safety glass is also associated with anti-condensation electricity
Thermal, the anti-condensation electric calorifie installation is connected to control system.
4. programmable constant temperature humidity chamber as claimed in claim 1, it is characterised in that：The arm of angle of bottom four of the casing is equal
Moving caster and adjustable fixed pin cup are respectively arranged with, the left side of the casing is provided with fairlead, the back of the body of the casing
Face is respectively arranged with power supply string holes and osculum.
5. programmable constant temperature humidity chamber as claimed in claim 1, it is characterised in that：The heater uses nichrome
Strip heater, the heater is connected with solid-state relay, and the power of the heater and humidifier is 2.5KW.
6. programmable constant temperature humidity chamber as claimed in claim 1, it is characterised in that：The refrigeration compressor is using full envelope
Low noise rotor type cold compressor is closed, the evaporator is provided with outer fin internal thread pipe heat exchanger.
7. programmable constant temperature humidity chamber as claimed in claim 1, it is characterised in that：The condenser is provided with outer fin
Internal thread pipe heat exchanger, the throttling arrangement includes expansion valve and capillary.
8. programmable constant temperature humidity chamber control system, it is characterised in that：Including heater, humidifier, refrigeration compressor, steaming
Device, condenser, control cabinet for power distribution and control panel are sent out, the control panel includes controller display screen, USB flash disk interface, RS232
Dataphone interface, maloperation hardware lock LOCK, power switch, emergency stop switch, status indicator lamp and acoustic-optic alarm, institute
Heater, humidifier, refrigeration compressor, evaporator, condenser, control cabinet for power distribution, USB flash disk interface, RS232 dataphones is stated to connect
Mouth, maloperation hardware lock LOCK, power switch, emergency stop switch, status indicator lamp and acoustic-optic alarm are all connected with controller
Display screen.
9. programmable constant temperature humidity chamber control system as claimed in claim 8, it is characterised in that：The control cabinet for power distribution
Be provided with I O board, lathe transformer, ballast, auxiliary reclay, the time relay, solid-state relay, A.C. contactor, heat after
Electrical equipment, fuse, deficient reverse-phase relay and air switch, the lathe transformer, ballast, auxiliary reclay, time relay
Device, solid-state relay, A.C. contactor, electrothermal relay, fuse, deficient reverse-phase relay and air switch are installed in I O board
On.
10. programmable constant temperature humidity chamber control system as claimed in claim 8, it is characterised in that：The controller shows
The model TEMI880 of display screen, 5.7 inches, 640 × 480 dot matrix, TFT color LCD displays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710465885.6A CN107126979A (en) | 2017-06-19 | 2017-06-19 | Programmable constant temperature humidity chamber and control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710465885.6A CN107126979A (en) | 2017-06-19 | 2017-06-19 | Programmable constant temperature humidity chamber and control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107126979A true CN107126979A (en) | 2017-09-05 |
Family
ID=59736737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710465885.6A Pending CN107126979A (en) | 2017-06-19 | 2017-06-19 | Programmable constant temperature humidity chamber and control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107126979A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107256052A (en) * | 2017-07-06 | 2017-10-17 | 深圳市信通检测技术有限公司 | Programmable constant temperature humidity chamber application method and control method |
| CN108855250A (en) * | 2018-04-26 | 2018-11-23 | 武汉博富通试验设备有限公司 | A kind of quick temperature changing test chamber |
| CN112316990A (en) * | 2020-11-23 | 2021-02-05 | 合肥安科环境试验设备有限公司 | Three-comprehensive temperature change test box |
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|---|---|---|---|---|
| JPH05157676A (en) * | 1991-12-10 | 1993-06-25 | Thermo Electron Kk | Cold and hot humidity shock testing machine |
| CN201773157U (en) * | 2010-07-06 | 2011-03-23 | 上海福岛化工科技发展有限公司 | Programmable constant temperature and humidity testing machine |
| CN102384888A (en) * | 2010-09-03 | 2012-03-21 | 上海林频仪器股份有限公司 | Constant temperature and moisture test box |
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2017
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|---|
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107256052A (en) * | 2017-07-06 | 2017-10-17 | 深圳市信通检测技术有限公司 | Programmable constant temperature humidity chamber application method and control method |
| CN108855250A (en) * | 2018-04-26 | 2018-11-23 | 武汉博富通试验设备有限公司 | A kind of quick temperature changing test chamber |
| CN112316990A (en) * | 2020-11-23 | 2021-02-05 | 合肥安科环境试验设备有限公司 | Three-comprehensive temperature change test box |
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Application publication date: 20170905 |
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