CN104089425B - Refrigeration circulatory system capable of automatically adjusting cold energy output - Google Patents
Refrigeration circulatory system capable of automatically adjusting cold energy output Download PDFInfo
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- CN104089425B CN104089425B CN201410341426.3A CN201410341426A CN104089425B CN 104089425 B CN104089425 B CN 104089425B CN 201410341426 A CN201410341426 A CN 201410341426A CN 104089425 B CN104089425 B CN 104089425B
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- compressor
- heat exchanger
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- vaporizer
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Abstract
The invention discloses a refrigeration circulatory system capable of automatically adjusting cold energy output. The refrigeration circulatory system comprises a compressor, a condenser, a liquid storage device and at least one evaporator, and further comprises a plate-type heat exchanger, a first solenoid valve, a second solenoid valve and a first expansion valve. Liquid outlet pipes of the liquid storage device are divided into two routes, one route passes through the first solenoid valve and the first expansion valve to be connected with an input opening of a first channel of the plate-type heat exchanger, and an output opening of the first channel of the plate-type heat exchanger is connected with an air suction pipe of the compressor, exhaust pipes of the compressor are divided into two routes, one route is connected with an input opening of a second channel of the plant-type heat exchanger through the second solenoid valve, and an output opening of the second channel of the plate-type heat exchanger is connected with an input opening of the liquid storage device. According to the refrigeration circulatory system, energy balance between the compressor and the evaporators can be kept, cold energy output is adjusted automatically, and the problem that the temperature of the refrigerating space cannot meet the requirements because protective automatic shut-down occurs due to the fact that the suction pressure is too low is avoided.
Description
Technical field
The present invention relates to a kind of refrigeration system, particularly to a kind of cooling cycle system automatically adjusting cold energy output.
Background technology
At present, refrigeration system generally comprises the capital equipments such as compressor bank, condenser, reservoir, expansion valve, vaporizer,
One cooling cycle system of composition.Refrigeration system can also include compressor bank, condenser, reservoir, expansion valve, a multiple stage
The capital equipments such as vaporizer, form a total cooling cycle system, and wherein, each vaporizer corresponds to a refrigerator respectively
Refrigeration.This form is " one drag many ", and total refrigerating capacity of compressor bank refrigerating capacity and multiple stage vaporizer should phase
Join, actual " one drag many " kind of refrigeration cycle form there is problems that：In running, when multiple stage vaporizer is in different cold preservations
Between after refrigeration cool-down certain phase, refrigeration duty can reduce, and compressor energy fan-out capability typically can also be adjusted to certain
Percentage ratio, but limited.If over the minimizing further of refrigerator refrigeration duty, the output of compressor energy can not continue to reduce
Adjust, that is, between compressor and vaporizer, refrigerating capacity is no longer mated, compressor energy occurs and exports relatively large, evaporation
Device place refrigerator demand refrigerating capacity is comparatively small, i.e. the situation of " low load with strong power ".
The consequence of said circumstances is to cause suction pressure of compressor too low and protectiveness autostop, that is compressor
Shut down and do not continue to freeze, however, the refrigerator now having has reached operating temperature requirements, and some refrigerators are also not up to
The refrigerator of operating temperature requirements, not up to operating temperature requirements, the goods that it is deposited is (such as：The food such as meat, fruit) product
Matter, shelf-life are then difficult to ensure that.
Content of the invention
The present invention provides a kind of refrigeration automatically adjusting cold energy output for solving technical problem present in known technology
Blood circulation.
The present invention is adopted the technical scheme that by solving technical problem present in known technology：One kind automatically adjusts cold
The cooling cycle system that can export, including compressor, condenser, reservoir and at least one vaporizer, the row of described compressor
Trachea is connected with the air inlet pipe of described condenser, and the drain pipe of described condenser is connected with the input port of described reservoir, described
The drain pipe of reservoir is connected with the feed tube of described vaporizer by vaporizer front end expansion valve；The escape pipe of described vaporizer
It is connected with the suction nozzle of described compressor, also include plate type heat exchanger, the first electromagnetic valve, the second electromagnetic valve and the first expansion valve；
The drain pipe of described reservoir is divided into two-way, and wherein one tunnel is through described first electromagnetic valve and described first expansion valve and plate-type heat-exchange
The first passage input port of device is connected, and described plate type heat exchanger first passage delivery outlet is connected with the suction nozzle of described compressor；
The exhaustor of described compressor is divided into two-way, the second channel input through described second electromagnetic valve and plate type heat exchanger for wherein one tunnel
Mouth is connected, and the second channel delivery outlet of described plate type heat exchanger is connected with the input port of described reservoir.
The present invention can also adopt the following technical scheme that：
Also include control system, described control system includes pressure switch, described pressure switch detects compressor
Air-breathing overpressure, the described pressure switch action when pressure of inspiration(Pi) is less than some setting value, send signal control described
First electromagnetic valve and described second electromagnetic valve work.
The present invention has the advantages and positive effects that：By existing refrigeration system set up plate type heat exchanger, first
Electromagnetic valve, the second electromagnetic valve and the first expansion valve, make the energy part that compressor exports to vaporizer, and another part energy
Automatically adjust to plate type heat exchanger, realize remaining the energy balance between compressor and multiple vaporizer, automatically adjust cold energy
Output, prevents the protectiveness autostop because pressure of inspiration(Pi) is too low, some refrigeration space temperature and can not reach asking of requirement
Topic, makes refrigeration system continuously run, and makes all refrigeration spaces can arrive design temperature, meets expected requirement.
Brief description
Fig. 1 is the structural representation of the present invention.
In figure：1st, compressor；2nd, compressor head；3rd, compressor suction duct；4th, the first electromagnetic valve；5th, compressor exhaust pipe；
6th, the first expansion valve；7th, plate type heat exchanger；8th, condenser；9th, the second electromagnetic valve；10th, vaporizer front end expansion valve；11st, evaporate
Device；12nd, reservoir；13rd, drain pipe.
Specific embodiment
For content of the invention, feature and effect of the present invention can be further appreciated that, hereby enumerate following examples, and coordinate accompanying drawing
Describe in detail as follows：
Refer to Fig. 1, a kind of cooling cycle system automatically adjusting cold energy output, including compressor 1, condenser 8, liquid storage
Device 12 and at least one vaporizer 11, compressor exhaust pipe 5 is connected with the air inlet pipe of described condenser 8, the going out of described condenser 8
Liquid pipe is connected with the input port of described reservoir 12, the drain pipe 13 of described reservoir 12 pass through vaporizer front end expansion valve 10 with
The feed tube of described vaporizer 11 is connected；The escape pipe of described vaporizer 11 is connected with compressor suction duct 3, also includes board-like changing
Hot device 7, the first electromagnetic valve 4, the second electromagnetic valve 9 and the first expansion valve 6；The drain pipe 13 of described reservoir 12 is divided into two-way, its
In a road be connected with the first passage input port of plate type heat exchanger 7 with described first expansion valve 6 through described first electromagnetic valve 4, institute
State plate type heat exchanger 7 first passage delivery outlet to be connected with compressor suction duct 3；Compressor exhaust pipe 5 is divided into two-way, wherein one tunnel
It is connected with the second channel input port of plate type heat exchanger 7 through described second electromagnetic valve 9, the second channel of described plate type heat exchanger 7
Delivery outlet is connected with the input port of described reservoir 12.
Further, may also include control system, described control system may include pressure switch, described pressure switch
Pressure in detection compressor suction duct 3, the described pressure switch action when pressure of inspiration(Pi) is less than some setting value, send letter
Number described first electromagnetic valve 4 and described second electromagnetic valve 9 is controlled to work.
The workflow of the present invention and operation principle：
The kind of refrigeration cycle of actual " one drag many " includes compressor 1, and (its nucleus equipment is：Compressor head 2), condenser 8, storage
The capital equipments such as liquid device 12, multiple stage vaporizer, form a total cooling cycle system.Each of which platform vaporizer 11 is born respectively
The refrigeration cool-down of one refrigeration space of load.The refrigerating capacity of compressor 1 is to match with total refrigerating capacity of multiple stage vaporizer 11
's.
The workflow of above-mentioned refrigeration system：
Refrigeration working medium (freon) gas enters condenser 8 by compressor exhaust pipe 5 after compressor 1 is compressed,
In condenser 8, refrigeration working medium is condensed into highly pressurised liquid and flows to reservoir 12 and store, the refrigeration working medium liquid in reservoir 12
Body is carried out through drain pipe 13, by the multiple stage vaporizer 11 that vaporizer front end expansion valve 10 decompression is respectively fed in different refrigerators
Evaporative cooling, is inhaled by compressor 1 through compressor suction nozzle 3 from vaporizer 11 refrigeration working medium (having been changed to low-pressure gas) out
Enter to be compressed, be consequently formed refrigerative circle system.
The present invention, on the basis of above-mentioned refrigeration system, sets up plate type heat exchanger 7 one, from reservoir 12 drain pipe 13
Divide a road feed flow arm, the side in the first electromagnetic valve 4 through newly setting and the first expansion valve 6 decompression supply plate type heat exchanger 7 is entered
Row evaporative cooling, the refrigeration working medium gas after being evaporated is connected to compressor suction duct 3, is sucked compression by compressor 1；From compression
The compressor exhaust pipe 5 Shang Fen mono- road exhaust branch pipe of machine 1, the second electromagnetic valve 9 through setting up enters another in plate type heat exchanger 7
Side, is condensed into liquid by the cooling of the above-mentioned feed flow from reservoir 12, this liquid is connected to the input port of reservoir 12 and enters
Row storage.
So, when refrigeration system is normally run, that is, between compressor 1 and vaporizer 11, refrigerating capacity matches, then connect
Connect two the first electromagnetic valves 4 set up of plate type heat exchanger 7 and the second electromagnetic valve 9 is closed, the output of this energy is automatically
Adjusting means does not work.
After refrigeration system runs certain phase, with the minimizing further of refrigerator refrigeration duty, i.e. compressor 1 and steaming
Send out refrigerating capacity between device 11 and do not match that such as, the pressure of inspiration(Pi) of refrigeration unit sets less than some it may appear that some situations
During definite value, pressure of inspiration(Pi) controller (pressure switch) then can action, it controls two the first electromagnetic valves 4 set up and the second electricity
Magnet valve 9 energising is opened, then plate type heat exchanger 7 puts into operation, and self-checking device is started working, and makes the energy that compressor 1 exports
A part exports to vaporizer 11, and another part energy automatically adjusts output to plate type heat exchanger 7；Air-breathing when refrigeration unit
When pressure is higher than some setting value, pressure of inspiration(Pi) controller (pressure switch) then can action, and make two first setting up
Electromagnetic valve 4 and the second electromagnetic valve 9 power-off are closed, and plate type heat exchanger is out of service；Realize between compressor 1 and vaporizer 11 all the time
Keep can amount phase equilibrium, solve above-mentioned compressor 1 because pressure of inspiration(Pi) is too low protectiveness autostop, refrigeration system can be made
Continuous operation, makes all refrigeration spaces be attained by design temperature, meets expected requirement.
Claims (2)
1. a kind of cooling cycle system automatically adjusting cold energy output, including the evaporation of compressor, condenser, reservoir and multiple stage
Device, the exhaustor of described compressor is connected with the air inlet pipe of described condenser, the drain pipe of described condenser and described reservoir
Input port be connected, the drain pipe of described reservoir is connected with the feed tube of described vaporizer by vaporizer front end expansion valve；
The escape pipe of described vaporizer is connected with the suction nozzle of described compressor it is characterised in that also including plate type heat exchanger, the first electricity
Magnet valve, the second electromagnetic valve and the first expansion valve；The drain pipe of described reservoir is divided into two-way, and wherein one tunnel is through described first electromagnetism
Valve is connected with the first passage input port of plate type heat exchanger with described first expansion valve, described plate type heat exchanger first passage output
Mouth is connected with the suction nozzle of described compressor；The exhaustor of described compressor is divided into two-way, and wherein one tunnel is through described second electromagnetism
Valve is connected with the second channel input port of plate type heat exchanger, the second channel delivery outlet of described plate type heat exchanger and described reservoir
Input port be connected；The refrigerating capacity of described compressor is matched with total refrigerating capacity of vaporizer described in multiple stage.
2. the cooling cycle system automatically adjusting cold energy output according to claim 1 is it is characterised in that also include controlling
System, described control system includes pressure switch, and described pressure switch detects the air-breathing overpressure of compressor, works as air-breathing
Described pressure switch action when pressure is less than some setting value, sends signal and controls described first electromagnetic valve and described second
Electromagnetic valve work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410341426.3A CN104089425B (en) | 2014-07-17 | 2014-07-17 | Refrigeration circulatory system capable of automatically adjusting cold energy output |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410341426.3A CN104089425B (en) | 2014-07-17 | 2014-07-17 | Refrigeration circulatory system capable of automatically adjusting cold energy output |
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| Publication Number | Publication Date |
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| CN104089425A CN104089425A (en) | 2014-10-08 |
| CN104089425B true CN104089425B (en) | 2017-02-15 |
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| CN201410341426.3A Expired - Fee Related CN104089425B (en) | 2014-07-17 | 2014-07-17 | Refrigeration circulatory system capable of automatically adjusting cold energy output |
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| CN111780446A (en) * | 2020-08-14 | 2020-10-16 | 中国铁路设计集团有限公司 | CO (carbon monoxide)2Device for increasing high water inlet temperature of heat pump and application method |
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| NO20005575D0 (en) * | 2000-09-01 | 2000-11-03 | Sinvent As | Method and arrangement for defrosting cold / heat pump systems |
| JP2007155203A (en) * | 2005-12-05 | 2007-06-21 | Sharp Corp | Air conditioner |
| JP2007155266A (en) * | 2005-12-07 | 2007-06-21 | Toshiba Kyaria Kk | Refrigerating cycle device |
| CN101865552A (en) * | 2010-06-22 | 2010-10-20 | 合肥天鹅制冷科技有限公司 | Air conditioning equipment |
| JP5808410B2 (en) * | 2011-08-19 | 2015-11-10 | 三菱電機株式会社 | Refrigeration cycle equipment |
| CN204006764U (en) * | 2014-07-17 | 2014-12-10 | 天津商业大学商业科技实业总公司 | A kind of cooling cycle system of automatic adjusting cold energy output |
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Granted publication date: 20170215 Termination date: 20210717 |