CN106123386A - A kind of big refrigerating capacity parallel connection double round robin cooling system and control mode thereof - Google Patents
A kind of big refrigerating capacity parallel connection double round robin cooling system and control mode thereof Download PDFInfo
- Publication number
- CN106123386A CN106123386A CN201610431305.7A CN201610431305A CN106123386A CN 106123386 A CN106123386 A CN 106123386A CN 201610431305 A CN201610431305 A CN 201610431305A CN 106123386 A CN106123386 A CN 106123386A
- Authority
- CN
- China
- Prior art keywords
- temperature
- refrigerating
- refrigerating chamber
- magnetic valve
- compressor
- 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.)
- Granted
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 46
- 241001522296 Erithacus rubecula Species 0.000 title claims abstract description 19
- 238000005057 refrigeration Methods 0.000 claims abstract description 47
- 238000007710 freezing Methods 0.000 claims abstract description 17
- 230000008014 freezing Effects 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000001035 drying Methods 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 239000006200 vaporizer Substances 0.000 claims description 8
- 238000002474 experimental method Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 238000009790 rate-determining step (RDS) Methods 0.000 claims description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 210000000582 semen Anatomy 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
- F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
- F25D19/003—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors with respect to movable containers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
Abstract
A kind of big refrigerating capacity parallel connection double round robin cooling system and control mode thereof, refrigeration system includes compressor, condenser, device for drying and filtering, logic controller controls main refrigeration module in parallel and auxiliary cooling module, the reservoir of three-way magnetic valve switching；Main refrigeration module includes the first capillary tube and main evaporator, provides cold when freezing indoor temperature is higher for whole refrigerating chamber, for reducing the temperature of refrigerating chamber；Auxiliary cooling module includes the second capillary tube and auxiliary evaporator；Auxiliary evaporator directly provides cold for the position that temperature in refrigerating chamber is higher, reduces high-temperature region in whole refrigerating chamber and reaches the time of design temperature, improves refrigerating capacity in the case of compressor output is constant；Control three-way magnetic valve by logic controller and carry out the switching of shunt circuit, solve the problem that cold distribution is uneven in refrigerating process, improve the refrigerating capacity of system, and need not increase the refrigerating capacity of compressor.
Description
Technical field
The present invention relates to a kind of refrigerator/ice-box, be specifically related to a kind of big refrigerating capacity parallel connection double round robin cooling system and
Control mode.
Background technology
Refrigerating capacity is one of important design objective of refrigerator/ice-box, and all can on the nameplate of refrigerator and Freezer Products
Clearly indicate the refrigerating capacity nominal value of freezer compartment of refrigerator or refrigerator.According to GB/T 8059.2, " Domestic refrigerator cold preservation is cold
Freeze case " in the 3.5.4 article definition, refrigerating capacity refers at the specified experimental conditions, make in 24 hours Test-Package Temperature from
25 ± 1 DEG C (SN/N/ST types) or 32 ± 1 DEG C (T-shaped) drop to the quality of test bag when-18 DEG C, represent with kg/24h.Above-mentioned
-18 DEG C of standards, the arithmetic mean of instantaneous value referring to the transient temperature that whole chilled load " M " is wrapped reaches-18 DEG C.Therefore, temperature
It is relatively big on total temperature fall time impact that degree declines slower part " M " bag, and then affects the refrigerating capacity of refrigerator/ice-box.And
In direct cooling refrigerator and refrigerator, the portion temperature of box house contact evaporator is relatively low, and the temperature away from vaporizer is higher, and
The temperature of ordinary circumstance next top is again higher than bottom temp, and the inhomogeneities of this cold distribution carries out cold putting into load bag
The time of freezing can be increased when freezing aptitude tests experiment, the refrigerating capacity of refrigerator/ice-box is had adverse influence.For this
Point, the present invention proposes a kind of feasible solution, a kind of for refrigerator with refrigerator, big refrigerating capacity parallel connection Two-way Cycle
Refrigeration system and control mode thereof, under conditions of not aggrandizement apparatus compressor refrigerating capacity, improve the freezing energy of whole system
Power.
Summary of the invention
In order to solve the problems referred to above adverse effect to refrigerator/ice-box refrigerating capacity, the present invention proposes a kind of big freezing
Ability parallel connection double round robin cooling system and control mode thereof, this refrigeration system comprises two refrigeration modules in parallel: main refrigeration
Module and auxiliary cooling module, during work, two modules replace switchover operation.The purpose of main refrigeration module is for whole refrigerating chamber
There is provided cold, the temperature reducing refrigerating chamber rapidly at the beginning of chilled load is put into and when freezing indoor temperature is higher；Auxiliary
Refrigeration module is helped to be arranged in the place that in refrigerating chamber, cooling rate is relatively slow and temperature is higher, when being switched to auxiliary cooling module
Time, auxiliary evaporator directly provides cold for the position that temperature in refrigerating chamber is higher, therefore reduces in whole refrigerating chamber the highest
The region of temperature reaches the time of design temperature, thus improves the refrigerating capacity of refrigeration system.
To achieve the above object, the technical solution used in the present invention is:
A kind of big refrigerating capacity parallel connection double round robin cooling system, including compressor 1, is connected to compressor 1 outlet in turn
Condenser 2, device for drying and filtering 3 and three-way magnetic valve 4, an outlet of three-way magnetic valve 4 is sequentially connected with the first capillary tube 6, master
Vaporizer 7, reservoir 10 and compressor 1 entrance；Another outlet of three-way magnetic valve 4 is sequentially connected with the second capillary tube 8, auxiliary
Vaporizer 9, reservoir 10 and compressor 1 entrance, also include the logic controller 5 being connected with three-way magnetic valve 4；
Described compressor 1, condenser 2, device for drying and filtering 3, three-way magnetic valve the 4, first capillary tube 6, main evaporator 7 and storage
Liquid device 10 constitutes the first refrigerating circuit, the most main refrigeration module；
Described compressor 1, condenser 2, device for drying and filtering 3, three-way magnetic valve the 4, second capillary tube 8, auxiliary evaporator 9 and
Reservoir 10 constitutes the second refrigerating circuit, i.e. auxiliary cooling module.
In described big refrigerating capacity parallel connection double round robin cooling system, including the first capillary tube 6 and the master of main evaporator 7
Refrigeration module is parallel connection, cold-producing medium with the connected mode of the auxiliary cooling module including the second capillary tube 8 and auxiliary evaporator 9
Only flowing through a loop, the switching of refrigeration module is controlled by a three-way magnetic valve every time.
In described big refrigerating capacity parallel connection double round robin cooling system, main evaporator is used for providing cold to whole refrigerating chamber
Amount, can be arranged on the tube-in-sheet evaporator in refrigerating chamber wall, it is also possible to be arranged on the multilamellar shelf of refrigerating chamber inner chamber
Formula vaporizer.
In described big refrigerating capacity parallel connection double round robin cooling system, auxiliary evaporator is used for higher to temperature in refrigerating chamber
Region provide cold, to shorten the temperature fall time of this highest subregion of freezer temperature；Its position arranged can be
The top (rule of thumb) of refrigerating chamber or record in refrigerating process in refrigerating chamber temperature higher than mean temperature Δ T1 according to experiment
Above concrete region (Δ T1 can take 2～5 DEG C according to refrigerator type and volume)；Auxiliary evaporator can be arranged on freezing
Tube-in-sheet evaporator in locular wall face, it is also possible to be arranged on the multilamellar shelf-type vaporizer of refrigerating chamber inner chamber.
Described logic controller 5 is temperature controller.
Described temperature controller connects two class temperature sensors: include being arranged in refrigerating process in refrigerating chamber temperature higher than flat
The all temperature sensor 12 in the concrete region of temperature Δ T1 and sensors 11 being arranged in temperature lower region；Described temperature is relatively
Low area, for the bottom of refrigerating chamber and records in refrigerating process in refrigerating chamber temperature less than mean temperature more than Δ T1 according to experiment
Concrete region；If necessary, then this two classes temperature sensor is arranged in the heat load put into monitor its variations in temperature.
The control mode of big refrigerating capacity parallel connection double round robin cooling system described above: refrigeration system needs freezing insulation
Time, refrigeration system works according to the first refrigerating circuit, the most main refrigeration module；When refrigerating chamber is put into load in a large number time, still press
According to the first refrigerating circuit work, logic controller 5 is started working；When the temperature sensor 11 being arranged in temperature lower region shows
The load in this region has entirely reached design temperature, and now logic controller 5 controls three-way magnetic valve 4 action, refrigeration system
According to the second refrigerating circuit, i.e. auxiliary cooling module work, until the temperature concrete district higher than mean temperature Δ T1 in refrigerating chamber
Territory inner sensor 12 shows that this area load has also reached design temperature, and the most whole refrigerating process terminates, and refrigeration system is by patrolling
Volume controller 5 controls three-way magnetic valve 4 and switches back into the work of main refrigeration module；Concrete rate-determining steps is as follows:
Step 1: first detect the average temperature tm of refrigerating chamber, if the average temperature tm of refrigerating chamber is higher than the compressor set
Start-up temperature Ton, shows that in-cabinet temperature is too high, and compressor 1 starts, and enters step 2；Otherwise in-cabinet temperature not up to compressor opens
Dynamic temperature, program does not performs, and directly terminates；
Step 2: three-way magnetic valve 4 is set to 1 state, i.e. controls to run main refrigeration module；
Step 3: be elevated above turn-on temperature Ton uniform temperature more than Δ T when in-cabinet temperature Tm drastically returns, then judge freezing
There is addition load indoor, then have addition load in judging refrigerating chamber, and three-way magnetic valve 4 is set to 1 state, and control system is run main
Refrigeration module, enters step 4；Otherwise it is directly entered step 6；
Step 4: detect mean temperature Tc of cold in-cabinet temperature lower region, if Tc is less than inversion temperature T0 set,
Then three-way magnetic valve 4 switches to 2 states, i.e. control system to run auxiliary cooling module, enters step 5；Otherwise three-way magnetic valve 4
Maintain 1 state constant；
Step 5: mean temperature Th in the temperature concrete region higher than mean temperature Δ T1 in refrigerating chamber in detection refrigerator, as
Really Th is also below inversion temperature T0 set, then return step 2, and three-way magnetic valve 4 is set to 1 state, and control system is run main
Refrigeration module；Otherwise three-way magnetic valve 4 maintains 2 states constant；
Step 6: the average temperature tm of detection refrigerating chamber, if the average temperature tm of refrigerating chamber stops less than the compressor set
Machine temperature Toff, shows that in-cabinet temperature has reached pre-provisioning request, and compressor 1 is shut down；Otherwise return to step 2；
Wherein: Tm: refrigerating chamber mean temperature, Tc and Th that can be recorded by the two class temperature sensors arranged is averaged
Arrive；Ton: turn-on temperature set in advance (-18～-12 DEG C), when Tm starts shooting higher than Ton, compressor；Toff: set in advance
Shutdown temperature (-25～-18 DEG C), when Tm is less than Toff, compressor shutdown；Tc: the mean temperature of refrigerating chamber low-temperature region；Th:
The mean temperature of refrigerating chamber high-temperature area；T0: binary cycle system in parallel set in advance is switched to auxiliary system from main refrigeration module
The inversion temperature (depending on temperature requirement and Ton, Toff, desirable-22～-15 DEG C of freezing) of chill block；Δ T: judge freezing
Whether room puts into load, according to concrete refrigerator, can take 0～10 DEG C.
The purpose of main refrigeration module is to provide cold, at the beginning of chilled load is put into and refrigerating chamber for whole refrigerating chamber
When interior temperature is higher rapidly reduce refrigerating chamber temperature；Auxiliary cooling module arrangement cooling rate in refrigerating chamber relatively slow and
The place that temperature is higher, when being switched to auxiliary cooling module, auxiliary evaporator is directly the position that in refrigerating chamber, temperature is higher
Cold, main refrigeration module and the switchover operation of auxiliary cooling module are provided, reduce the region of maximum temperature in whole refrigerating chamber
Reach the time of design temperature, the most just to reduce the time of whole refrigerating process, improve the refrigerating capacity of system.
Compare with traditional big refrigerating capacity vapour compression refrigeration system, the invention have the advantage that
1. the present invention comprises two refrigerating circuits, main refrigeration module and auxiliary cooling module is parallel relationship, is used for realizing
Different targets.Main refrigeration module carries for whole system when refrigeration system steady operation or at the beginning of adding a large amount of load cooling
Semen donors, in refrigerating process, when the temperature sensor being arranged in temperature lower region shows that the load in this region the most all reaches
To design temperature, now temperature controller controls three-way magnetic valve action, and auxiliary cooling module is started working, until temperature in refrigerating chamber
The load in concrete region higher than mean temperature Δ T1 has also reached design temperature, and the most whole refrigerating process terminates.This
The bright problem solving the cooling time prolongation that in refrigerating process, cold skewness causes, improves the freezing of whole system
Ability.
2., compared with traditional big refrigerating capacity refrigeration system, the present invention realizes system by adjusting cold distribution
Big refrigerating capacity, system need not change the compressor of High cooling power, it is to avoid changing the cost that High cooling power compressor brings increases
The problem increased with properly functioning energy consumption.
Accompanying drawing explanation
Fig. 1 is big refrigerating capacity parallel connection double round robin cooling system schematic flow sheet of the present invention.
Fig. 2 is big refrigerating capacity parallel connection double round robin cooling system control flow chart of the present invention.
Detailed description of the invention
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings
Present system is applied to certain refrigerator/refrigerator, carries out refrigerating capacity experiment, it is desirable to made certain in 24 hours
The Test-Package Temperature of quality drops to-18 DEG C from 25 ± 1 DEG C (SN/N/ST types).
As it is shown in figure 1, the first the most main refrigeration module of refrigerating circuit of present system include being sequentially connected with compressor 1,
Condenser 2, device for drying and filtering 3, three-way magnetic valve the 4, first capillary tube 6, main evaporator 7 and reservoir 10；Due to main evaporator
Being arranged in whole refrigerating chamber space, the whole refrigerating chamber that operates to of main refrigeration module provides cold, can run when system stability
Or after refrigerating process adds load, drag down rapidly temperature use.
As it is shown in figure 1, the second refrigerating circuit of present system i.e. auxiliary cooling module includes the compressor being sequentially connected with
1, condenser 2, device for drying and filtering 3, three-way magnetic valve the 4, second capillary tube 8, auxiliary evaporator 9 and reservoir 10；Due to auxiliary
The position that vaporizer is arranged is the region that freezer temperature is higher, and therefore auxiliary cooling module is lowered the temperature in being refrigerating chamber slower district
Territory provides cold, reduces whole refrigerating chamber and reaches the time of design temperature.
The switching of two refrigerating circuits is completed by logic controller 5, and the logic controller 5 of the present embodiment is temperature controller, its
It is connected to measure the temperature sensor of refrigerating chamber space temperature on temperature controller.In this embodiment, temperature sensor can exist with cloth
Put into chilled load " M " bag.
The control mode of inventive refrigeration system is: when the load of pressure storehouse put into by refrigerator/refrigerator, refrigeration system carries out freezing
Dragging down temperature, by the first refrigerating circuit, the most main refrigeration module runs；After putting into chilled load, refrigeration system is still by the first system
Cold loop runs, and the temperature that now logic controller 5 can monitor temperature sensor i.e. chilled load " M " is wrapped, when the most true
The mean temperature that " M " in fixed low temperature region wraps has dropped to design temperature, and such as-18 DEG C, then logic controller controls three energisings
Magnet valve 4 commutates, and operational mode switches to the second refrigerating circuit, i.e. auxiliary cooling module run.When predetermined high-temperature
The mean temperature that " M " in region wraps also falls below design temperature, and logic controller 5 controls three-way diverter valve 4 by operational mode again
Secondary switch to first refrigerating circuit run, refrigerating process terminates.
Claims (7)
1. a big refrigerating capacity parallel connection double round robin cooling system, it is characterised in that: include compressor (1), be connected to pressure in turn
Condenser (2), device for drying and filtering (3) and the three-way magnetic valve (4) that contracting machine (1) exports, an outlet of three-way magnetic valve (4) depends on
Secondary connection the first capillary tube (6), main evaporator (7), reservoir (10) and compressor (1) entrance；Another of three-way magnetic valve (4)
Individual outlet is sequentially connected with the second capillary tube (8), auxiliary evaporator (9), reservoir (10) and compressor (1) entrance, also include with
The logic controller (5) that three-way magnetic valve (4) connects；
Described compressor (1), condenser (2), device for drying and filtering (3), three-way magnetic valve (4), the first capillary tube (6), evaporator main
Device (7) and reservoir (10) constitute the first refrigerating circuit, the most main refrigeration module；
Described compressor (1), condenser (2), device for drying and filtering (3), three-way magnetic valve (4), the second capillary tube (8), auxiliary are steamed
Send out device (9) and reservoir (10) constitutes the second refrigerating circuit, i.e. auxiliary cooling module.
Big refrigerating capacity parallel connection double round robin cooling system the most according to claim 1, it is characterised in that: include the first capillary
Manage (6) and the main refrigeration module of main evaporator (7) and include the second capillary tube (8) and the auxiliary system of auxiliary evaporator (9)
The connected mode of chill block is in parallel, and cold-producing medium the most only flows through a loop, and the switching of refrigeration module is by three-way magnetic valve (4)
Control.
Big refrigerating capacity parallel connection double round robin cooling system the most according to claim 2, it is characterised in that: described evaporator main
Device (7) is used for providing cold to whole refrigerating chamber, for being arranged in the tube-in-sheet evaporator in refrigerating chamber wall, or is arranged in freezing
The multilamellar shelf-type vaporizer in indoor chamber.
Big refrigerating capacity parallel connection double round robin cooling system the most according to claim 2, it is characterised in that: described auxiliary is steamed
Send out device (9) to be used for providing cold, this portion high to shorten freezer temperature to temperature in refrigerating chamber higher than the region of mean temperature
Subregional temperature fall time；Its top that position is refrigerating chamber arranged or record in refrigerating process in refrigerating chamber according to experiment
The temperature concrete region higher than mean temperature Δ T1, Δ T1 takes 2～5 DEG C according to refrigerator type and volume；Auxiliary evaporator is cloth
Put the tube-in-sheet evaporator in refrigerating chamber wall, or be arranged in the multilamellar shelf-type vaporizer of refrigerating chamber inner chamber.
Big refrigerating capacity parallel connection double round robin cooling system the most according to claim 1, it is characterised in that: described logic control
Device (5) is temperature controller.
Big refrigerating capacity parallel connection double round robin cooling system the most according to claim 5, it is characterised in that: described temperature controller is even
It is connected to two class temperature sensors: include being arranged in refrigerating process the temperature concrete region higher than mean temperature Δ T1 in refrigerating chamber
Temperature sensor (12) and be arranged in the sensor (11) of temperature lower region；Described temperature lower region, for refrigerating chamber
Bottom and record in refrigerating process the temperature concrete region less than mean temperature more than Δ T1 in refrigerating chamber according to experiment；If
Necessity, then this two classes temperature sensor is arranged in the heat load put into monitor its variations in temperature.
7. the control mode of the big refrigerating capacity parallel connection double round robin cooling system described in any one of claim 1-6, its feature exists
In: when refrigeration system needs freezing insulation, refrigeration system works according to the first refrigerating circuit, the most main refrigeration module；Work as refrigerating chamber
In put into when loading in a large number, still according to the first refrigerating circuit work, logic controller (5) is started working；When being arranged in temperature
The temperature sensor (11) of lower region shows that the load in this region has entirely reached design temperature, now logic controller
(5) controlling three-way magnetic valve (4) action, refrigeration system is according to the second refrigerating circuit, i.e. auxiliary cooling module work, until freezing
In room, the temperature concrete region inner sensor (12) higher than mean temperature Δ T1 shows that this area load has also reached design temperature,
The most whole refrigerating process terminates, and refrigeration system is controlled three-way magnetic valve (4) by logic controller (5) and switches back into main refrigeration module
Work；Concrete rate-determining steps is as follows:
Step 1: first detect the average temperature tm of refrigerating chamber, if the average temperature tm of refrigerating chamber is higher than the compressor start set
Temperature Ton, shows that in-cabinet temperature is too high, and compressor (1) starts, and enters step 2；Otherwise in-cabinet temperature is not up to compressor start
Temperature, program does not performs, and directly terminates；
Step 2: three-way magnetic valve (4) is set to 1 state, i.e. controls to run main refrigeration module；
Step 3: be elevated above turn-on temperature Ton uniform temperature more than Δ T, then in judging refrigerating chamber when in-cabinet temperature Tm drastically returns
Having addition load, then have addition load in judging refrigerating chamber, three-way magnetic valve (4) is set to 1 state, and control system runs main system
Chill block, enters step 4；Otherwise it is directly entered step 6；
Step 4: detect mean temperature Tc of cold in-cabinet temperature lower region, if Tc is less than inversion temperature T0 set, then three
Three-way electromagnetic valve (4) switches to 2 states, i.e. control system to run auxiliary cooling module, enters step 5；Otherwise three-way magnetic valve (4)
Maintain 1 state constant；
Step 5: mean temperature Th in the temperature concrete region higher than mean temperature Δ T1 in refrigerating chamber in detection refrigerator, if Th
Also below inversion temperature T0 set, then returning step 2, three-way magnetic valve (4) is set to 1 state, and control system runs main system
Chill block；Otherwise three-way magnetic valve (4) maintains 2 states constant；
Step 6: the average temperature tm of detection refrigerating chamber, if the average temperature tm of refrigerating chamber is less than the compressor shutdown temperature set
Degree Toff, shows that in-cabinet temperature has reached pre-provisioning request, and compressor (1) is shut down；Otherwise return to step 2；
Wherein: Tm: refrigerating chamber mean temperature, the two class temperature sensors arranged Tc and Th recorded is averaged and obtains；
Ton: turn-on temperature-18 set in advance～-12 DEG C, when Tm starts shooting higher than Ton, compressor；Toff: shutdown temperature set in advance
Degree-25～-18 DEG C, when Tm is less than Toff, compressor shutdown；Tc: the mean temperature of refrigerating chamber low-temperature region；Th: refrigerating chamber is high
The mean temperature of temperature area；T0: binary cycle system in parallel set in advance is switched to auxiliary cooling module from main refrigeration module
Inversion temperature, its value depends on temperature requirement and Ton, Toff of freezing, takes-22～-15 DEG C；Δ T: whether judge refrigerating chamber
Put into load, according to concrete refrigerator, take 0～10 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610431305.7A CN106123386B (en) | 2016-06-17 | 2016-06-17 | A kind of big refrigerating capacity parallel connection double round robin cooling system and its control mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610431305.7A CN106123386B (en) | 2016-06-17 | 2016-06-17 | A kind of big refrigerating capacity parallel connection double round robin cooling system and its control mode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106123386A true CN106123386A (en) | 2016-11-16 |
| CN106123386B CN106123386B (en) | 2018-07-03 |
Family
ID=57469741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610431305.7A Active CN106123386B (en) | 2016-06-17 | 2016-06-17 | A kind of big refrigerating capacity parallel connection double round robin cooling system and its control mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106123386B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062671A (en) * | 2016-12-21 | 2017-08-18 | 曙光节能技术（北京）股份有限公司 | Cooling system |
| CN107218749A (en) * | 2017-05-27 | 2017-09-29 | 英格索兰（中国）工业设备制造有限公司 | The temperature control method and refrigeration unit of refrigeration unit |
| CN108151348A (en) * | 2017-12-06 | 2018-06-12 | 西安交通大学 | A kind of double-compressor refrigeration system and control method for single space refrigeration |
| CN111679514A (en) * | 2020-06-11 | 2020-09-18 | Tcl华星光电技术有限公司 | Liquid crystal dripping device |
| CN112665252A (en) * | 2020-12-28 | 2021-04-16 | 江苏拓米洛环境试验设备有限公司 | Temperature fluctuation control method and device of refrigeration system and refrigeration system |
| CN114294903A (en) * | 2021-12-31 | 2022-04-08 | 海信（山东）冰箱有限公司 | Constant temperature and humidity device |
| CN114302631A (en) * | 2022-01-14 | 2022-04-08 | 珠海格力电器股份有限公司 | Air conditioner subassembly and integral type rack air conditioner |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2349386B2 (en) * | 1972-10-12 | 1975-11-13 | Ab Electrolux, Stockholm | |
| KR100208357B1 (en) * | 1997-07-24 | 1999-07-15 | 윤종용 | Refrigerator and its control method with cooling air dispenser |
| JP2000081264A (en) * | 1998-07-30 | 2000-03-21 | Samsung Electronics Co Ltd | Uniform cooler for refrigerator and control therefor |
| JP2005300108A (en) * | 2004-04-15 | 2005-10-27 | Hoshizaki Electric Co Ltd | Cold storage showcase |
| CN203068902U (en) * | 2012-11-30 | 2013-07-17 | 合肥晶弘电器有限公司 | Freezing evaporator of balanced freezing chamber vertical temperature field and refrigerator thereof |
| CN204830646U (en) * | 2015-07-01 | 2015-12-02 | 天津市傲绿农副产品集团股份有限公司 | Fluid -bed fruit vegetables quick -freezing installation |
-
2016
- 2016-06-17 CN CN201610431305.7A patent/CN106123386B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2349386B2 (en) * | 1972-10-12 | 1975-11-13 | Ab Electrolux, Stockholm | |
| KR100208357B1 (en) * | 1997-07-24 | 1999-07-15 | 윤종용 | Refrigerator and its control method with cooling air dispenser |
| JP2000081264A (en) * | 1998-07-30 | 2000-03-21 | Samsung Electronics Co Ltd | Uniform cooler for refrigerator and control therefor |
| JP2005300108A (en) * | 2004-04-15 | 2005-10-27 | Hoshizaki Electric Co Ltd | Cold storage showcase |
| CN203068902U (en) * | 2012-11-30 | 2013-07-17 | 合肥晶弘电器有限公司 | Freezing evaporator of balanced freezing chamber vertical temperature field and refrigerator thereof |
| CN204830646U (en) * | 2015-07-01 | 2015-12-02 | 天津市傲绿农副产品集团股份有限公司 | Fluid -bed fruit vegetables quick -freezing installation |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062671A (en) * | 2016-12-21 | 2017-08-18 | 曙光节能技术（北京）股份有限公司 | Cooling system |
| CN107218749A (en) * | 2017-05-27 | 2017-09-29 | 英格索兰（中国）工业设备制造有限公司 | The temperature control method and refrigeration unit of refrigeration unit |
| CN107218749B (en) * | 2017-05-27 | 2020-03-06 | 英格索兰（中国）工业设备制造有限公司 | Temperature control method of refrigerating unit and refrigerating unit |
| CN108151348A (en) * | 2017-12-06 | 2018-06-12 | 西安交通大学 | A kind of double-compressor refrigeration system and control method for single space refrigeration |
| CN111679514A (en) * | 2020-06-11 | 2020-09-18 | Tcl华星光电技术有限公司 | Liquid crystal dripping device |
| CN112665252A (en) * | 2020-12-28 | 2021-04-16 | 江苏拓米洛环境试验设备有限公司 | Temperature fluctuation control method and device of refrigeration system and refrigeration system |
| CN114294903A (en) * | 2021-12-31 | 2022-04-08 | 海信（山东）冰箱有限公司 | Constant temperature and humidity device |
| CN114302631A (en) * | 2022-01-14 | 2022-04-08 | 珠海格力电器股份有限公司 | Air conditioner subassembly and integral type rack air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106123386B (en) | 2018-07-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106123386A (en) | A kind of big refrigerating capacity parallel connection double round robin cooling system and control mode thereof | |
| RU2456516C2 (en) | Method to operate refrigerating unit, comprising parallel joined evaporators, and refrigerating unit | |
| US8984904B2 (en) | Refrigerating device | |
| JP2013228130A (en) | Freezer | |
| CN105526762B (en) | The temperature and coupling progress control method of the double refrigerating circuit refrigerators of double-compressor | |
| JP2014031981A (en) | Binary refrigeration device | |
| CN102506557B (en) | Refrigeration equipment and switching unit control method in defrosting process of refrigeration equipment | |
| JP2012127514A (en) | Refrigerator-freezer | |
| JP2016194389A (en) | Refrigerating apparatus and refrigerator unit | |
| CN108151348A (en) | A kind of double-compressor refrigeration system and control method for single space refrigeration | |
| JP3719159B2 (en) | Refrigeration equipment | |
| JP5487167B2 (en) | Environmental test equipment | |
| JP6145252B2 (en) | COOLING METHOD, COOLING DEVICE CONTROL DEVICE AND COOLING DEVICE | |
| CN106091192A (en) | Air conditioning system and control method thereof | |
| KR20150058995A (en) | Refrigerator and control method for the same | |
| US10145607B2 (en) | Method for operating a refrigeration system for a cargo container | |
| KR20110086345A (en) | A method for controlling a refrigerator with two evaporators | |
| CN104321599A (en) | A controller for a vapour compression system and a method for controlling a vapour compression system | |
| JP2013170747A (en) | Refrigerant leakage detection device and freezing device | |
| KR102329430B1 (en) | Hybrid adsorption chiller having dual condensors and method for operating the same | |
| JP6052066B2 (en) | Refrigeration equipment | |
| US20140284024A1 (en) | Method for controlling refrigerator | |
| KR101314676B1 (en) | Refrigerating system and control method thereof | |
| CN209960830U (en) | Energy-efficient cryrogenic quick-freeze refrigerator | |
| KR101766466B1 (en) | Non-frost high performance air source heatpump system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |