CN109847812A - A kind of combined high low temperature low air pressure testing chamber - Google Patents
A kind of combined high low temperature low air pressure testing chamber Download PDFInfo
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- CN109847812A CN109847812A CN201711241488.7A CN201711241488A CN109847812A CN 109847812 A CN109847812 A CN 109847812A CN 201711241488 A CN201711241488 A CN 201711241488A CN 109847812 A CN109847812 A CN 109847812A
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- chamber
- air pressure
- low temperature
- combined high
- pressure testing
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- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a kind of combined high low temperature low air pressure testing chambers, including chamber ontology, the chamber body bottom portion is fixed with pedestal, power control cabinet is provided on one side body of chamber ontology, the chamber body interior is provided with test cabin, wind wheel is provided on one side body of test cabin, and wind wheel is fixedly connected by pipeline with blower, the lower section of the wind wheel one sets gradually having heaters and evaporator from top to bottom along the vertical direction, the test cabin side is provided with sealing cover, and visual window is offered on sealing cover, the test cabin bottom is provided with refrigeration unit.In the present invention, it is provided with self diagnosis alarm, it can be in test, carry out automatic detection for temperature, pressure, overload and short circuit, alarm is issued, improves the safety of the combined high low temperature low air pressure testing chamber chamber, refrigeration system, water circuit system and the electric-control system of chamber body interior modularization, and be separately laid out, it is highly-safe.
Description
Technical field
The present invention relates to chamber technical field more particularly to a kind of combined high low temperature low air pressure testing chambers.
Background technique
It is true that combined high low temperature low air pressure testing chamber is primarily used for Aeronautics and Astronautics, electronics, national defence, scientific research and other industrial departments
The electronics technology product (including component, material and instrument and meter) for determining electrician is acted in the individual event of high/low temperature low pressure or simultaneously
Under, storage transportation test is carried out, and can be powered simultaneously to test specimen and carry out the measurement of classical insulation.
However there is some shortcomings, existing tests in use for existing combined high low temperature low air pressure testing chamber
Case, lower for the protective capability of refrigeration unit, when use, will lead to the damage of refrigeration unit inner compressor, secondly existing height
Combined low temperature low air pressure testing chamber, refrigeration system, water circuit system and electric-control system do not carry out separating layout, and there is certain peaces
Full hidden danger.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of high/low temperature low pressure examination proposed
Tryoff.
To achieve the goals above, present invention employs following technical solutions: a kind of combined high low temperature low air pressure testing chamber, including
Chamber ontology, the chamber body bottom portion are fixed with pedestal, are provided with power control cabinet on one side body of chamber ontology,
The chamber body interior is provided with test cabin, is provided with wind wheel on one side body of test cabin, and wind wheel passes through pipeline
It is fixedly connected with blower, the lower section of the wind wheel one sets gradually having heaters and evaporator from top to bottom along the vertical direction, institute
It states test cabin side and is provided with sealing cover, and offer visual window on sealing cover, the test cabin bottom is provided with refrigeration unit,
The power control cabinet is internally provided with controller, the output end of the controller respectively with EPR Exhaust Pressure Regulator, evaporating pressure tune
The input terminal for saving device, overpressure protector and self diagnosis alarm is electrically connected.
It is as above-mentioned technical proposal to further describe:
Control button, display screen, indicator light and combined aural and visual alarm are provided in the power control cabinet.
It is as above-mentioned technical proposal to further describe:
The refrigeration unit includes condenser, compressor and pipeline interconnected.
It is as above-mentioned technical proposal to further describe:
The output end of the EPR Exhaust Pressure Regulator and the input terminal of refrigeration unit are electrically connected.
It is as above-mentioned technical proposal to further describe:
The output end of the evaporator pressure regulator and the input terminal of evaporator are electrically connected.
In the present invention, it is provided with EPR Exhaust Pressure Regulator first, refrigeration unit inner compressor hypertonia can be prevented,
The stability of refrigeration unit is improved, the setting of evaporator pressure regulator, when can prevent warm from testing, evaporator freezes, and has
The stability and service life for improving evaporator operation of effect, secondly sealing cover is furnished with the design of visual window, when convenient for test
Test cabin inside is observed, then is provided with self diagnosis alarm, automatic detection for temperature, pressure can be carried out in test
Power, overload and short circuit issue alarm, improve the safety of the combined high low temperature low air pressure testing chamber chamber, in chamber ontology
Refrigeration system, water circuit system and the electric-control system in portion modularization, and separately layout, it is highly-safe.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of combined high low temperature low air pressure testing chamber proposed by the present invention；
Fig. 2 is the internal processes block diagram of power control cabinet of the present invention.
Marginal data:
1- pedestal, 2- chamber ontology, 3- power control cabinet, 4- heater, 5- blower, 6- wind wheel, 7- test cabin, 8- are visual
Window, 9- sealing cover, 10- refrigeration unit, 11- evaporator, 12- controller, 13- EPR Exhaust Pressure Regulator, 14- evaporating pressure are adjusted
Device, 15- overpressure protector, 16- self diagnosis alarm.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-2, a kind of combined high low temperature low air pressure testing chamber, including chamber ontology 2,2 bottom of chamber ontology are fixed
There is pedestal 1, power control cabinet 3 is provided on 2 one side body of chamber ontology, chamber ontology 2 is internally provided with test cabin 7, test
Wind wheel 6 is provided on 7 one side body of storehouse, and wind wheel 6 is fixedly connected by pipeline with blower 5, the lower section of wind wheel 6 is along the vertical direction
One having heaters 4 and evaporator 11 are set gradually from top to bottom, 7 side of test cabin is provided with sealing cover 9, and opens on sealing cover 9
Equipped with visual window 8,7 bottom of test cabin is provided with refrigeration unit 10, and power control cabinet 3 is internally provided with controller 12, controller 12
Output end respectively with EPR Exhaust Pressure Regulator 13, evaporator pressure regulator 14, overpressure protector 15 and self diagnosis alarm 16
Input terminal is electrically connected.
Control button, display screen, indicator light and combined aural and visual alarm are provided in power control cabinet 3, refrigeration unit 10 includes condensation
Device, compressor and pipeline interconnected, the output end of EPR Exhaust Pressure Regulator 13 electrically connect with the input terminal of refrigeration unit 10
It connects, the output end of evaporator pressure regulator 14 and the input terminal of evaporator 11 are electrically connected.
Controller 12 is controlled using PLC program, has the function of timing operation, stopping and power-off protection function, overpressure protection
The output end of device 15 and the input terminal of refrigeration unit 10 are electrically connected, and are protected the compressor inside refrigeration unit 10, are carried out superpressure
Protection and overheating protection are provided with Electric radiant Heating Film on visual window 8, guarantee that the sight of observation is clear.
Working principle: in use, connect power supply first, sealing cover 9 is opened to sample to be tested is added inside test cabin 7
This, has closed sealing cover 9, corresponding test data can have been set, thus electric by the control button in power control cabinet 3 at this time
Controlling the controller 12 inside cabinet 3 control can open blower 5, heater 4, evaporator 11 and refrigeration unit 10 accordingly, so that examination
The state for forming the individual event of high/low temperature low pressure inside testing position 7 or acting on simultaneously, tests sample to be tested, the process of test
In, can be observed by visual window 8, when test period to when, close power supply, take out sample to be tested, observation test
As a result.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of combined high low temperature low air pressure testing chamber, including chamber ontology (2), which is characterized in that chamber ontology (2) bottom
Portion is fixed with pedestal (1), is provided with power control cabinet (3) on (2) one side body of chamber ontology, the chamber ontology (2)
Be internally provided with test cabin (7), be provided with wind wheel (6) on (7) one side body of test cabin, and wind wheel (6) by pipeline with
Blower (5) is fixedly connected, and the lower section of the wind wheel (6) one sets gradually having heaters (4) and steam from top to bottom along the vertical direction
It sends out device (11), test cabin (7) side is provided with sealing cover (9), and visual window (8), the examination are offered on sealing cover (9)
Testing position (7) bottom is provided with refrigeration unit (10), and the power control cabinet (3) is internally provided with controller (12), the controller
(12) output end respectively with EPR Exhaust Pressure Regulator (13), evaporator pressure regulator (14), overpressure protector (15) and autodiagnosis
The input terminal of disconnected alarm (16) is electrically connected.
2. a kind of combined high low temperature low air pressure testing chamber according to claim 1, which is characterized in that set on the power control cabinet (3)
It is equipped with control button, display screen, indicator light and combined aural and visual alarm.
3. a kind of combined high low temperature low air pressure testing chamber according to claim 1, which is characterized in that refrigeration unit (10) packet
Include condenser, compressor and pipeline interconnected.
4. a kind of combined high low temperature low air pressure testing chamber according to claim 1, which is characterized in that the EPR Exhaust Pressure Regulator
(13) input terminal of output end and refrigeration unit (10) is electrically connected.
5. a kind of combined high low temperature low air pressure testing chamber according to claim 1, which is characterized in that the evaporator pressure regulator
(14) input terminal of output end and evaporator (11) is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711241488.7A CN109847812A (en) | 2017-11-30 | 2017-11-30 | A kind of combined high low temperature low air pressure testing chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711241488.7A CN109847812A (en) | 2017-11-30 | 2017-11-30 | A kind of combined high low temperature low air pressure testing chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109847812A true CN109847812A (en) | 2019-06-07 |
Family
ID=66888531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711241488.7A Pending CN109847812A (en) | 2017-11-30 | 2017-11-30 | A kind of combined high low temperature low air pressure testing chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109847812A (en) |
-
2017
- 2017-11-30 CN CN201711241488.7A patent/CN109847812A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190607 |
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| WD01 | Invention patent application deemed withdrawn after publication |