CN106595139A - Refrigerating system - Google Patents
Refrigerating system Download PDFInfo
- Publication number
- CN106595139A CN106595139A CN201611229340.7A CN201611229340A CN106595139A CN 106595139 A CN106595139 A CN 106595139A CN 201611229340 A CN201611229340 A CN 201611229340A CN 106595139 A CN106595139 A CN 106595139A
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- CN
- China
- Prior art keywords
- electromagnetic valve
- refrigerator
- relay
- input
- contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005057 refrigeration Methods 0.000 claims description 55
- 239000002826 coolant Substances 0.000 claims description 38
- 238000001816 cooling Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 abstract description 6
- 238000001704 evaporation Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 239000003507 refrigerant Substances 0.000 abstract 4
- 239000006200 vaporizer Substances 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Classifications
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- 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
- F25B41/22—Disposition of valves, e.g. of on-off valves or flow control valves between evaporator and compressor
-
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
- F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
-
- 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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
- F25D11/022—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures with two or more evaporators
-
- 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
- F25B2313/0233—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units in parallel arrangements
- F25B2313/02331—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units in parallel arrangements during cooling
-
- 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention discloses a refrigerating system. The refrigerating system comprises a refrigerating system body and an electric control system. The refrigerating system body comprises a constant-speed compressor, electromagnetic valves, two or more cold storage cabinets and throttling devices. The electric control system comprises electromagnetic valves, relays and temperature controllers. The one-to-more refrigerating mode that the constant-speed compressor is used for independently controlling the cold storage cabinets with different refrigerant quantity demands is adopted, the refrigerant supply requirement of the cold storage cabinet with the small refrigerant quantity demand can be met under the condition that the cold storage cabinet with the small refrigerant quantity demand is opened only, and the situation that the body of the constant-speed compressor is frosted due to incomplete indoor evaporation, and consequentially the life of the constant-speed compressor is shortened is avoided; and meanwhile, the return air quantity required when the constant-speed compressor operates can be provided, so that the heat exchange effects of all evaporators are brought into full play, energy consumption is reduced, and the energy saving effect is achieved.
Description
Technical field
The present invention relates to field of refrigeration, is especially suitable for the one of constant speed compressor and drags many refrigeration systems.
Background technology
Common one drag many refrigeration systems to be realized using variable conpacitance compressor on market, be there is no and is adopted
Realize that one drags many refrigeration systems with constant speed compressor, using constant speed compressor realize routinely one drag many refrigeration systems when,
When indoor load demand it is little, i.e., when indoor evaporation capacity is less, if refrigeration system ensures the feed flow needed for constant speed compressor operation
Amount, then can cause indoor evaporation incomplete so that constant speed compressor fuselage frosting, so that the freezing in constant speed compressor is glossy
Sliding effect is deteriorated, and affects the constant speed compressor life-span, if now carrying out feed flow according to the demand of indoor evaporation capacity, it is fixed to cause
The return-air amount of fast compressor is too small, it is possible to cause the excessive discharge temperature of constant speed compressor or the back pressure of refrigeration system
It is too low, so as to cause the low-voltage variation of refrigeration system, realize that routinely one drags many refrigeration systems hence with constant speed compressor
Power consumption can be caused excessive and uneconomical.
The content of the invention
In order to overcome the deficiencies in the prior art, it is an object of the invention to provide a kind of refrigeration system, using constant speed compressor
One be independently controlled to refrigerator of the two or more with different coolant demands drags many refrigeration, can only open cooling
In the case of the first little refrigerator of agent demand, the coolant supply requirement to the first refrigerator is met, and be not in
Indoor evaporation not exclusively causes the frosting of constant speed compressor fuselage to reduce the situation in constant speed compressor life-span, while, moreover it is possible to
Meet return-air amount required when constant speed compressor runs such that it is able to give full play to the heat transfer effect of each vaporizer so that energy
Consumption is reduced, and plays a part of energy-conservation.
The present invention solves the technical scheme that adopted of its problem：
A kind of refrigeration system, including refrigeration system and electric control system, refrigeration system includes the outdoor for providing coolant
Main frame and the indoor refrigeration plant for realizing cooling refrigeration, outdoor host computer includes constant speed compressor, and indoor refrigeration plant includes
First electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve, the first refrigerator, the second refrigerator, for providing full for the first refrigerator
The first throttle device of foot its desired coolant, meet the of its desired coolant for providing for the second refrigerator jointly
Two throttling arrangements and the 3rd throttling arrangement, the outfan of outdoor host computer is connected to the first electromagnetic valve, the second electromagnetic valve and
Three electromagnetic valves, the first electromagnetic valve is connected to the first refrigerator, the second electromagnetic valve and the 3rd electromagnetic valve point by first throttle device
The second refrigerator is not connected to by second throttling device and the 3rd throttling arrangement, the first refrigerator and the second refrigerator respectively with
The input of outdoor host computer is connected together, and the coolant demand of the first refrigerator is less than the coolant demand of the second refrigerator
Amount, first throttle device and the 3rd throttling arrangement have same coolant supply and both coolant supplys are little
In the coolant supply of second throttling device；
Electric control system includes the first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve, the first relay, the second relay, sets
The first temperature controller being placed in the first refrigerator and the second temperature controller being arranged in the second refrigerator, the first relay and second
Relay is provided with the first contact and the second contact, and the outfan of the first temperature controller is connected to the input of the first relay
Together, the outfan of the second temperature controller is connected together with the input of the second relay, the first contact of the first relay and
Second contact is connected together respectively with the first electromagnetic valve and the second electromagnetic valve, first contact and the second contact of the second relay
Be connected together with the 3rd electromagnetic valve and the second electromagnetic valve respectively, the input of the first temperature controller, the input of the second temperature controller,
The input of the first contact of the first relay, the input of the first contact of the second relay, the second of the first relay touch
The input of the input of point and the second contact of the second relay is connected together respectively with live wire, the output of the first relay
The output at end, the outfan of the second relay, the outfan of the first electromagnetic valve, the outfan of the 3rd electromagnetic valve and the second electromagnetic valve
End is connected together respectively with zero line.
Further, outdoor host computer also includes input stop valve, output stop valve, condenser, reservoir and filter, input
The input of stop valve is connected to the first refrigerator and the second refrigerator, and the outfan for exporting stop valve is connected to the
One electromagnetic valve, the second electromagnetic valve and the 3rd electromagnetic valve, input stop valve, constant speed compressor, condenser, reservoir, filter and
Output stop valve is sequentially connected to together.
Further, first throttle device, second throttling device and the 3rd throttling arrangement are electric expansion valve.
The invention has the beneficial effects as follows：A kind of refrigeration system, when the first refrigerator and the second refrigerator work simultaneously, the
One throttling arrangement disclosure satisfy that the coolant demand of the first refrigerator, while second throttling device and the 3rd throttling arrangement are common
Effect, disclosure satisfy that the coolant demand of the second refrigerator, and due to controlling the logical of the first refrigerator and the second refrigerator
The electromagnetic valve of disconnected state is parallel-connection structure, will to the first refrigerator and being separately controlled for the second refrigerator therefore, it is possible to meet user
Ask；When the first refrigerator is only driven, only first throttle device and second throttling device work, cold to second therefore, it is possible to reduce
The coolant supply of cabinet is hidden, so as to meet the evaporation demand of the first refrigerator to greatest extent, meanwhile, it is unnecessary in refrigeration system
Coolant can continue to feed to the second refrigerator, meet the condition of refrigeration system stable operation so that constant speed compressor will not go out
Existing frosting, shows so as to the back pressure for avoiding the excessive discharge temperature or refrigeration system for constant speed compressor occur is too low
As；Additionally, by the way that unnecessary coolant is reasonably supplied the second refrigerator, the refrigeration that refrigeration system can not only be caused to produce
Amount is not wasted, and can also slow down the programming rate of the second refrigerator so that energy consumption is reduced, and plays a part of energy-conservation, so as to
Ensure that the economy that refrigeration system is run.
Description of the drawings
Below in conjunction with the accompanying drawings the invention will be further described with example.
Fig. 1 is refrigeration system principle figure；
Fig. 2 is electric control theory figure.
Specific embodiment
Reference picture 1- Fig. 2, a kind of refrigeration system, including refrigeration system and electric control system, refrigeration system include for
The outdoor host computer 10 and the indoor refrigeration plant 20 for realizing cooling refrigeration of coolant are provided, outdoor host computer 10 includes constant speed pressure
Contracting machine 1, indoor refrigeration plant 20 includes the first electromagnetic valve 2, the second electromagnetic valve 3, the 3rd electromagnetic valve 4, the first refrigerator 5, second
Refrigerator 6, the first throttle device 7 for providing the coolant for meeting its requirement for the first refrigerator 5, for common for second
Refrigerator 6 provides the throttling arrangement 9 of second throttling device 8 and the 3rd of the coolant for meeting its requirement, the output of outdoor host computer 10
End is connected to the first electromagnetic valve 2, the second electromagnetic valve 3 and the 3rd electromagnetic valve 4, and the first electromagnetic valve 2 passes through first throttle device 7
The first refrigerator 5 is connected to, the second electromagnetic valve 3 and the 3rd electromagnetic valve 4 pass through respectively the throttling arrangement of second throttling device 8 and the 3rd
9 are connected to the second refrigerator 6, and the first refrigerator 5 and the second refrigerator 6 are connected to one with the input of outdoor host computer 10 respectively
Rise, the coolant demand of the first refrigerator 5 is less than the coolant demand of the second refrigerator 6, first throttle device 7 and the 3rd
Throttling arrangement 9 has same coolant supply and both coolant supplys are respectively less than the cold of second throttling device 8
But agent supply；
Electric control system includes the first electromagnetic valve 2, the second electromagnetic valve 3, the 3rd electromagnetic valve 4, the first relay J1, the second relay
Device J2, the first temperature controller T1 being arranged in the first refrigerator 5 and the second temperature controller T2 being arranged in the second refrigerator 6, the
One relay J1 and the second relay J2 are provided with the first contact and the second contact, the outfan and first of the first temperature controller T1
The input of relay J1 is connected together, and the input of the outfan of the second temperature controller T2 and the second relay J2 is connected to one
Rise, the first contact J1-1 and the second contact J1-2 of the first relay J1 are connected respectively with the first electromagnetic valve 2 and the second electromagnetic valve 3
In together, the first contact J2-1 and the second contact J2-2 of the second relay J2 respectively with the 3rd electromagnetic valve 4 and the second electromagnetic valve 3
It is connected together, the input of the first temperature controller T1, the input of the second temperature controller T2, first contact of the first relay J1
The input of J1-1, the input of the first contact J2-1 of the second relay J2, the second contact J1-2 of the first relay J1
The input of the second contact J2-2 of input and the second relay J2 is connected together respectively with live wire, the first relay J1's
Outfan, the outfan of the second relay J2, the outfan of the first electromagnetic valve 2, the outfan of the 3rd electromagnetic valve 4 and the second electromagnetism
The outfan of valve 3 is connected together respectively with zero line.
With reference to Fig. 1, for refrigeration system, the first refrigerator 5 and the steaming with different area respectively of the second refrigerator 6
Device, and the vaporizer of the second refrigerator 6 are sent out more than the vaporizer of the first refrigerator 5, according to the ratio of the area of two vaporizers
Example, the throttling arrangement for being used to provide coolant to the second refrigerator 6 two throttling arrangements of different sizes, i.e., the second throttling are divided into
The throttling arrangement 9 of device 8 and the 3rd.For example, the first refrigerator 5 has a 1HP vaporizer, and the second refrigerator 6 steams with 5HP
Device, therefore second throttling device 8 are sent out using the throttling arrangement with 4# valve elements, the 3rd throttling arrangement 9 is adopted with 1# valve elements
Throttling arrangement.When singly open the second refrigerator 6 or while open the first refrigerator 5 close the second refrigerator 6 when, refrigeration system is provided
Coolant be to disclosure satisfy that the Maximum Supply Quantity required for 5HP vaporizers, therefore, it is possible to ensure the stable operation of refrigeration system,
So as to avoid the occurrence of the excessive discharge temperature of constant speed compressor 1 or the too low phenomenon of back pressure of refrigeration system.When singly opening
It is open-minded with corresponding first electromagnetic valve 2 of the first refrigerator 5 during the first refrigerator 5, therefore first throttle device 7 disclosure satisfy that
The coolant demand of the 1HP vaporizers in one refrigerator 5, meanwhile, second throttling device 8 also can be opened, therefore with 4# valves
The second throttling device 8 of core can provide coolant for the second refrigerator 6, so that the area of dissipation size of indoor and outdoors
Matching, and can be adapted with constant speed compressor 1, so as to ensure that the stable operation of system.
With reference to Fig. 2, for electrical control, the first temperature controller T1 in the first refrigerator 5 is arranged to the first relay
Device J1 is controlled, and the first relay J1 is by its first contact J1-1 and the second contact J1-2 simultaneously to first throttle device
7 and second throttling device 8 be controlled, and be arranged at the second temperature controller T2 in the second refrigerator 6 then to the second relay J2
It is controlled, and the second relay J2 is then by its first contact J2-1 and the second contact J2-2 simultaneously to the 3rd throttling arrangement
9 and second throttling device 8 be controlled.When the temperature in the second refrigerator 6 reaches setting value, and the temperature in the first refrigerator 5
When degree is also not reaching to setting value, by the control of the second temperature controller T2, the second relay J2 disconnects, therefore the second relay J2
The first contact J2-1 and the second contact J2-2 simultaneously switch off, therefore the 3rd throttling arrangement 9 is closed, and the first relay J1 is still
Connect under the control of the first temperature controller T1, therefore the first contact J1-1 and the second contact J1-2 of the first temperature controller T1 are still closed
Close, therefore first throttle device 7 and second throttling device 8 are still within opening state, therefore, it is possible to cause the first refrigerator 5 after
It is continuous to be in the state of cooling, and unnecessary coolant can continue to feed to the second refrigerator 6, meet the bar of refrigeration system stable operation
Part so that constant speed compressor 1 is not in frosting, so as to avoid the occurrence of the excessive discharge temperature or refrigeration of constant speed compressor 1
The too low phenomenon of the back pressure of system, further, since unnecessary coolant is reasonably for giving the second refrigerator 6, therefore energy
Enough so that the refrigerating capacity that refrigeration system is produced is not wasted, and the programming rate of the second refrigerator 6 is slowed down so that energy consumption
Reduce, play a part of energy-conservation, so as to ensure that the economy that refrigeration system is run.In the same manner, when the temperature of the first refrigerator 5 reaches
During to setting value, first throttle device 7 is closed, and the throttling arrangement 9 of second throttling device 8 and the 3rd is open-minded；When the He of the first refrigerator 5
When second refrigerator 6 all reaches the temperature value of setting, first throttle device 7, the throttling arrangement 9 of second throttling device 8 and the 3rd are same
When close, constant speed compressor 1 quits work；When the first refrigerator 5 and the second refrigerator 6 are all not reaching to the temperature value of setting
When, first throttle device 7, the throttling arrangement 9 of second throttling device 8 and the 3rd are open-minded.
Wherein, with reference to Fig. 1, outdoor host computer 10 also includes input stop valve 11, output stop valve 12, condenser 13, liquid storage
Device 14 and filter 15, the input for being input into stop valve 11 is connected to the first refrigerator 5 and the second refrigerator 6, and output cuts
Only the outfan of valve 12 is connected to the first electromagnetic valve 2, the second electromagnetic valve 3 and the 3rd electromagnetic valve 4, is input into stop valve 11, determines
Fast compressor 1, condenser 13, reservoir 14, filter 15 and output stop valve 12 are sequentially connected to together.Constant speed compressor 1
With reference to input stop valve 11, output stop valve 12, condenser 13, reservoir 14 and filter 15 so that outdoor host computer 10 can
It is normal to provide necessary coolant for indoor refrigeration plant 20, and coolant smooth circulation is enabled, so as to ensure that refrigeration
The normal work of system.
Wherein, first throttle device 7, the throttling arrangement 9 of second throttling device 8 and the 3rd are electric expansion valve, and electronics is swollen
Swollen valve can according to default Automatic Program adjust be supplied to vaporizer coolant flow, with conventional heat expansion valve without
The good characteristic of method analogy, can provide necessary condition, therefore, it is possible to greatly improve system for the intelligentized control method of refrigeration system
The refrigeration performance of cooling system, is allowed to meet the use needs of user.
Additionally, the refrigeration system of the present invention is not restricted to the control to two refrigerators, additionally it is possible to be applied to two or with
On the control for realizing the equipment of refrigeration, for the two or more controls for realizing the equipment of refrigeration
System, the principle of its electrical control is identical, only need to increase electromagnetic valve, throttling arrangement and relay.
It is more than that the preferable enforcement to the present invention is illustrated, but the invention is not limited in above-mentioned embodiment party
Formula, those of ordinary skill in the art can also make a variety of equivalent variations on the premise of without prejudice to spirit of the invention or replace
Change, the deformation or replacement of these equivalents are all contained in the application claim limited range.
Claims (3)
1. a kind of refrigeration system, it is characterised in that：Including refrigeration system and electric control system, the refrigeration system include for
The outdoor host computer of coolant is provided（10）With for realizing the indoor refrigeration plant of cooling refrigeration（20）, the outdoor host computer（10）
Including constant speed compressor（1）, the indoor refrigeration plant（20）Including the first electromagnetic valve（2）, the second electromagnetic valve（3）, it is the 3rd electric
Magnet valve（4）, the first refrigerator（5）, the second refrigerator（6）, for for first refrigerator（5）Offer meets the cold of its requirement
But the first throttle device of agent（7）, for jointly be second refrigerator（6）Offer meets the second of the coolant of its requirement
Throttling arrangement（8）With the 3rd throttling arrangement（9）, the outdoor host computer（10）Outfan be connected to the first described electromagnetism
Valve（2）, the second electromagnetic valve（3）With the 3rd electromagnetic valve（4）, first electromagnetic valve（2）By the first throttle device（7）Even
It is connected to the first described refrigerator（5）, second electromagnetic valve（3）With the 3rd electromagnetic valve（4）Pass through described second section respectively
Stream device（8）With the 3rd throttling arrangement（9）It is connected to the second described refrigerator（6）, first refrigerator（5）It is cold with second
Hide cabinet（6）Respectively with the outdoor host computer（10）Input be connected together, first refrigerator（5）Coolant demand
Amount is less than second refrigerator（6）Coolant demand, the first throttle device（7）With the 3rd throttling arrangement（9）Tool
There is same coolant supply and both coolant supplys are respectively less than the second throttling device（8）Coolant supply
Ying Liang；
The electric control system includes the first described electromagnetic valve（2）, the second electromagnetic valve（3）, the 3rd electromagnetic valve（4）, first
Relay（J1）, the second relay（J2）, be arranged at first refrigerator（5）In the first temperature controller（T1）Be arranged at institute
State the second refrigerator（6）In the second temperature controller（T2）, first relay（J1）With the second relay（J2）It is provided with
First contact and the second contact, first temperature controller（T1）Outfan and first relay（J1）Input connection
In together, second temperature controller（T2）Outfan and second relay（J2）Input be connected together, it is described
First relay（J1）The first contact（J1-1）With the second contact（J1-2）Respectively with the first described electromagnetic valve（2）With second
Electromagnetic valve（3）It is connected together, second relay（J2）The first contact（J2-1）With the second contact（J2-2）Respectively with
The 3rd described electromagnetic valve（4）With the second electromagnetic valve（3）It is connected together, first temperature controller（T1）Input, second
Temperature controller（T2）Input, the first relay（J1）The first contact（J1-1）Input, the second relay（J2）
One contact（J2-1）Input, the first relay（J1）The second contact（J1-2）Input and the second relay（J2）'s
Second contact（J2-2）Input be connected together with the live wire respectively, first relay（J1）Outfan,
Two relays（J2）Outfan, the first electromagnetic valve（2）Outfan, the 3rd electromagnetic valve（4）Outfan and the second electromagnetic valve
（3）Outfan be connected together with the zero line respectively.
2. a kind of refrigeration system according to claim 1, it is characterised in that：The outdoor host computer（10）Also include that input cuts
Only valve（11）, output stop valve（12）, condenser（13）, reservoir（14）And filter（15）, the input stop valve（11）
Input be connected to the first described refrigerator（5）With the second refrigerator（6）, the output stop valve（12）Output
End is connected to the first described electromagnetic valve（2）, the second electromagnetic valve（3）With the 3rd electromagnetic valve（4）, the input stop valve
（11）, constant speed compressor（1）, condenser（13）, reservoir（14）, filter（15）With output stop valve（12）It is sequentially connected to
Together.
3. a kind of refrigeration system according to claim 1, it is characterised in that：The first throttle device（7）, second throttling
Device（8）With the 3rd throttling arrangement（9）It is electric expansion valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611229340.7A CN106595139A (en) | 2016-12-27 | 2016-12-27 | Refrigerating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611229340.7A CN106595139A (en) | 2016-12-27 | 2016-12-27 | Refrigerating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106595139A true CN106595139A (en) | 2017-04-26 |
Family
ID=58602727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611229340.7A Pending CN106595139A (en) | 2016-12-27 | 2016-12-27 | Refrigerating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106595139A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923635A (en) * | 2019-12-05 | 2021-06-08 | 博西华电器（江苏）有限公司 | Refrigeration device and method for a refrigeration device |
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| CN112923635B (en) * | 2019-12-05 | 2024-03-05 | 博西华电器（江苏）有限公司 | Refrigeration appliance and method for a refrigeration appliance |
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