CN205747603U - There is compressor and the high-low temperature test chamber of refrigeration system defencive function - Google Patents
There is compressor and the high-low temperature test chamber of refrigeration system defencive function Download PDFInfo
- Publication number
- CN205747603U CN205747603U CN201620262532.7U CN201620262532U CN205747603U CN 205747603 U CN205747603 U CN 205747603U CN 201620262532 U CN201620262532 U CN 201620262532U CN 205747603 U CN205747603 U CN 205747603U
- Authority
- CN
- China
- Prior art keywords
- compressor
- temperature
- electromagnetic valve
- refrigeration system
- sensor
- 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.)
- Active
Links
Landscapes
- Drying Of Gases (AREA)
Abstract
There is compressor and the high-low temperature test chamber of refrigeration system defencive function, including compressor, its the most condensed device of high temperature and high pressure gas discharged, drying device, B electromagnetic valve, reducer and vaporizer return to compressor, the air vent of compressor connects back pressure transducer and exhaust gas temperature sensor, the gas returning port of compressor takes back atmospheric pressure sensor and suction temperature sensor, suction temperature it is provided with between condenser inlet and evaporator outlet, hypotony compensation electromagnetic valve, evaporator outlet concatenates delivery temperature between exporting with device for drying and filtering, hypertonia cooling electromagnetic valve and reducer, control system controls anti-cooling according to the signal of exhaust sensor and return-air sensor and compensation electromagnetic valve opens and closes.This utility model remains that the aerofluxus of refrigeration system and suction temperature are constant, thus ensure that refrigeration compressor and the working temperature constant of compressor internal components, and compressor block and whole refrigeration system are protected by cooling, compensation electromagnetic valve, extends the life-span.
Description
Technical field
This utility model belongs to high-low temperature test chamber field, especially relates to one and has compressor and refrigeration system protection
The high-low temperature test chamber of function.
Background technology
High/low temperature experimental box, as a kind of experiment appliance testing product reliability, is widely used in Aeronautics and Astronautics, army
The fields such as work, electronics, communication, machinery, automobile, motorcycle, biology, agricultural, weather, environmental protection, building materials, the temperature of high/low temperature experimental box
Degree homeostasis requires to temperature, pressure that for some the performance test of the product in stricter field has great importance, one
The range of error of denier temperature constant will affect the most greatly the performance test results of the product in some field, so high/low temperature experimental box
Constant-temperature precision be to evaluate an important indicator of its performance quality, also high-low temperature test chamber exists compressor does not has temperature and pressure mistake
So how the high or problem of too low protection, design a kind of high-low temperature test chamber with compressor and refrigeration system defencive function
Become the problem of those skilled in the art's research.
Utility model content
In view of this, this utility model is directed to a kind of high/low temperature examination with compressor and refrigeration system defencive function
Tryoff.
For reaching above-mentioned purpose, the technical solution of the utility model is achieved in that
A kind of high-low temperature test chamber with compressor and refrigeration system defencive function, including compressor, described compressor
The most condensed device of high temperature and high pressure gas, drying device, B electromagnetic valve, reducer and the vaporizer discharged return to compressor return air
Mouthful；The air vent of described compressor is connected to back pressure transducer and exhaust gas temperature sensor, and the gas returning port of described compressor connects
There are back pressure sensor and suction temperature sensor, between described condenser inlet and described evaporator outlet, are serially connected with return-air
Temperature, hypotony compensation electromagnetic valve, described evaporator outlet is provided with, between exporting with described drying device, the aerofluxus temperature concatenated
Degree, hypertonia cooling electromagnetic valve and reducer, described control system passes according to described back pressure transducer and delivery temperature
The RST that sensor gathers controls delivery temperature, hypertonia cooling electromagnetic valve action, and control system is according to described return-air pressure
The signal of force transducer and suction temperature sensor acquisition controls suction temperature, hypotony compensation electromagnetic valve events, B electromagnetic valve
It is connected with control system.
Described drying device is device for drying and filtering.
Described temperature, pressure induction installation is high-precision temperature, pressure integrated sensor.
Described control system uses instrument control Special temp controller module FA211 or FA200 to control.
Described reducer is capillary tube.
Relative to prior art, the high/low temperature examination with compressor and refrigeration system defencive function described in the utility model
Tryoff has the advantage that
1. this utility model remains that the aerofluxus of refrigeration system and suction temperature are constant, thus ensure that refrigeration compressor
And the working temperature constant of compressor internal components, compressor block and whole refrigeration system are carried out by cooling, compensation electromagnetic valve
Protection, extends the life-span；
2. eliminate the heating inductor below vaporizer, saves energy；
3. drying device has filtering function can adsorb steam, filter granule foreign etc., and further extension device uses
Life-span.
Accompanying drawing explanation
The accompanying drawing constituting a part of the present utility model is further appreciated by of the present utility model for providing, and this practicality is new
The schematic description and description of type is used for explaining this utility model, is not intended that improper restriction of the present utility model.?
In accompanying drawing:
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in this utility model and the feature in embodiment can
To be mutually combined.
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ", " on ", D score,
Orientation or the position relationship of the instruction such as "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description rather than instruction
Hint indication device or element must have specific orientation, with specific azimuth configuration and operation, be not understood that
For to restriction of the present utility model.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicate
Or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In description of the present utility model, unless separately
Being described, " multiple " are meant that two or more.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be to removably connect, or integratedly
Connect；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, on can being understood by concrete condition
State term concrete meaning in this utility model.
Describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
A kind of high-low temperature test chamber with compressor and refrigeration system defencive function, including compressor, described compressor
The most condensed device of high temperature and high pressure gas, drying device, B electromagnetic valve, reducer and the vaporizer discharged return to compressor return air
Mouthful；The air vent of described compressor is connected to back pressure transducer and exhaust gas temperature sensor, and the gas returning port of described compressor connects
There are back pressure sensor and suction temperature sensor, between described condenser inlet and described evaporator outlet, are serially connected with return-air
Temperature, hypotony compensation electromagnetic valve, described evaporator outlet is provided with, between exporting with described drying device, the aerofluxus temperature concatenated
Degree, hypertonia cooling electromagnetic valve and reducer, when the signal that described back pressure transducer and exhaust gas temperature sensor gather
When being above the peak of High Temperature High Pressure set point, described control system opens delivery temperature, hypertonia cooling electromagnetic valve,
Compressor is carried out decrease temperature and pressure；During less than the minimum of High Temperature High Pressure set point, described control system close delivery temperature,
Hypertonia cooling electromagnetic valve, when the signal of described back pressure sensor and suction temperature sensor acquisition, to be below low temperature low
When pressing the minimum of set point, described control system opens suction temperature, hypotony compensation electromagnetic valve, carries out compressor
Increasing temperature and pressure, during higher than the peak of low-temp low-pressure set point, described control system closes suction temperature, hypotony compensates
Electromagnetic valve.Compressor loop is entered by delivery temperature, hypertonia cooling electromagnetic valve and suction temperature, hypotony compensation electromagnetic valve
Row protection, extends the service life of compressor.B electromagnetic valve is by control system control, and when preventing compressor from closing, backflow is to equipment
The damage caused.
Described drying device is device for drying and filtering.Drying device have filtering function can adsorb steam, filter granule miscellaneous
Matter etc., further extension device service life.
Described temperature, pressure induction installation is high-precision temperature, pressure integrated sensor.The convenient peace of integrated transducer
Dress uses, and improves packaging efficiency.
Described control system uses instrument control Special temp controller module FA211 or FA200 to control.Instrument control Special temp controller module
FA211 or FA200 automatic control system has the advantages such as stability is high, security performance is strong, capacity of resisting disturbance is strong, additionally, instrument
Having obtained effective simplification during control Special temp controller module FA211 or FA200 in-system programming, workability can be high, at height
The elevator of layer building obtains universal application so that the manipulation of operator becomes easy.Meanwhile, instrument control Special temp controller
It is convenient that module FA211 or FA200 control system install relatively other control system, and daily maintenance is the easiest.
Described reducer is capillary tube.Throttle more stable.
Work process: when the signal of described back pressure transducer and exhaust gas temperature sensor collection is above High Temperature High Pressure
During the peak of set point, described control system opens delivery temperature, hypertonia cooling electromagnetic valve, sets less than High Temperature High Pressure
When determining the minimum of scope, described control system closes delivery temperature, hypertonia cooling electromagnetic valve, when described back pressure passes
When the signal of sensor and suction temperature sensor acquisition is below the minimum of low-temp low-pressure set point, described control system is opened
Opening suction temperature, hypotony compensation electromagnetic valve, during higher than the peak of low-temp low-pressure set point, described control system is closed
Suction temperature, hypotony compensation electromagnetic valve, prevent compressor fault, protects compressor, extends the compressor life-span.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement etc. made, should be included in this utility model
Protection domain within.
Claims (5)
1. a high-low temperature test chamber with compressor and refrigeration system defencive function, it is characterised in that: include compressor, institute
The most condensed device of high temperature and high pressure gas, drying device, B electromagnetic valve, reducer and the vaporizer of stating compressor discharge return to pressure
Contracting machine gas returning port；The air vent of described compressor is connected to back pressure transducer and exhaust gas temperature sensor, described compressor
Gas returning port is connected to back pressure sensor and suction temperature sensor, goes here and there between described condenser inlet and described evaporator outlet
Being connected to suction temperature, hypotony compensation electromagnetic valve, described evaporator outlet is provided with between exporting with described drying device and concatenates
Delivery temperature, hypertonia cooling electromagnetic valve and reducer, control system is according to described back pressure transducer and aerofluxus temperature
The RST of degree sensor acquisition controls delivery temperature, hypertonia cooling electromagnetic valve action, and control system is according to described time
The signal of atmospheric pressure sensor and suction temperature sensor acquisition controls suction temperature, hypotony compensation electromagnetic valve events, B electricity
Magnet valve is connected with control system.
The high-low temperature test chamber with compressor and refrigeration system defencive function the most according to claim 1, its feature exists
In: described drying device is device for drying and filtering.
The high-low temperature test chamber with compressor and refrigeration system defencive function the most according to claim 1, its feature exists
In: described temperature, pressure induction installation is high-precision temperature, pressure integrated sensor.
The high-low temperature test chamber with compressor and refrigeration system defencive function the most according to claim 2, its feature exists
In: described control system uses instrument control Special temp controller module FA211 or FA200 to control.
5. according to described in any one of claim 1-4, there is compressor and the high-low temperature test chamber of refrigeration system defencive function,
It is characterized in that: described reducer is capillary tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620262532.7U CN205747603U (en) | 2016-03-30 | 2016-03-30 | There is compressor and the high-low temperature test chamber of refrigeration system defencive function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620262532.7U CN205747603U (en) | 2016-03-30 | 2016-03-30 | There is compressor and the high-low temperature test chamber of refrigeration system defencive function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205747603U true CN205747603U (en) | 2016-11-30 |
Family
ID=57373830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620262532.7U Active CN205747603U (en) | 2016-03-30 | 2016-03-30 | There is compressor and the high-low temperature test chamber of refrigeration system defencive function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205747603U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674636A (en) * | 2016-03-30 | 2016-06-15 | 天津亭华科技有限公司 | High-low temperature test chamber with function of protecting compressor and refrigeration system |
-
2016
- 2016-03-30 CN CN201620262532.7U patent/CN205747603U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674636A (en) * | 2016-03-30 | 2016-06-15 | 天津亭华科技有限公司 | High-low temperature test chamber with function of protecting compressor and refrigeration system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105674636A (en) | High-low temperature test chamber with function of protecting compressor and refrigeration system | |
| CN106440252B (en) | A kind of air conditioner guard method, protection system and air conditioner | |
| CN106016866B (en) | A kind of air-conditioner coolant fills method and system | |
| CN102426104A (en) | Vehicle diesel engine oil and gas separator test apparatus and method thereof | |
| CN104792072B (en) | Air-conditioner set and its control method of refrigerant flow | |
| CN106642349A (en) | Intelligent air-cooled type constant temperature and humidity air conditioner and temperature and humidity adjustment method thereof | |
| CN205747603U (en) | There is compressor and the high-low temperature test chamber of refrigeration system defencive function | |
| CN109373636A (en) | A kind of system and method preventing liquid hammer | |
| CN102788402B (en) | Control method of air conditioning refrigerant circulation system and air conditioning system | |
| CN105665053A (en) | Low constant temperature device for cascade type high-low temperature test chamber | |
| CN110332743A (en) | Cooler and its refrigerant detection method, device, system | |
| CN107449191B (en) | Air-conditioning system and its heat-production control method, device and machine readable storage medium | |
| CN209431713U (en) | A kind of system preventing liquid hammer | |
| CN205641711U (en) | Cascade refrigeration system with compressor and refrigerating system protect function | |
| CN105689021A (en) | Low-temperature constant temperature device of high-temperature and low-temperature testing box | |
| CN112781862A (en) | Refrigerant valve performance test system | |
| CN205628009U (en) | Overlapping formula high low temperature test box low -temperature constant -temperature device | |
| CN208846802U (en) | Coolant rate monitoring device and system | |
| CN205627990U (en) | High low temperature test box low -temperature constant -temperature device | |
| CN207850811U (en) | A kind of low temperature impact test box | |
| CN105698971B (en) | A kind of temperature sensor for vehicle Auto-Test System and test method | |
| CN105674652A (en) | Cascade refrigerating system with compressor and refrigerating system protecting function | |
| CN209524621U (en) | A kind of air conditioner muffler and air-conditioning | |
| CN207850769U (en) | A kind of novel portable vacuum tank gas sampling assembly | |
| CN206073528U (en) | For the compressor defrosting system of high-low temperature test chamber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |