CN206944520U - A kind of refrigeration system - Google Patents
A kind of refrigeration system Download PDFInfo
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- CN206944520U CN206944520U CN201720724479.2U CN201720724479U CN206944520U CN 206944520 U CN206944520 U CN 206944520U CN 201720724479 U CN201720724479 U CN 201720724479U CN 206944520 U CN206944520 U CN 206944520U
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Abstract
The utility model discloses a kind of refrigeration system, including compressor, refrigeration system also includes control valve, at least two condenser streams, at least two evaporator streams;Control valve is used for the break-make for controlling at least one path being linked to be by least one condenser stream and at least one evaporator stream;The outlet of compressor is connected with the entrance of condenser stream;The outlet of condenser stream is connected with the entrance of evaporator stream;The outlet of evaporator stream and the entrance of compressor connect.The utility model is controlled the break-make of at least one path being linked to be by least one condenser stream and at least one evaporator stream by setting control valve to realize, and then realizes the refrigerating capacity regulation of compressor.
Description
Technical field
Art of refrigeration units is the utility model is related to, especially a kind of refrigeration system.
Background technology
Convertible frequency air-conditioner represents the top standard of air conditioner industry, and an important indicator for weighing convertible frequency air-conditioner performance is exactly to become
Frequency scope.The rotating speed of frequency-changeable compressor used in convertible frequency air-conditioner can change with the change of load, and upper limit rotating speed is corresponding one
Maximum cooling capacity, the corresponding minimum refrigerating capacity of lower limit rotating speed.When minimum refrigerating capacity is still more than load caloric value, compressor
It will shut down.The adverse effects such as the room temperature brought to reduce high frequent start and stop fluctuates, the press life-span is impaired, it is existing
Scheme include further reducing the lower limit rotating speed of compressor and increase electrical heating combination etc..Reduce compressor lower limit rotating speed
The minimum refrigerating capacity of refrigeration system can be reduced, so as to be matched with low-load;Increase electrical heating combination, equivalent to increase load hair
Heat, it is flux matched with minimum refrigeration.
The rotating speed for further reducing compressor can be potentially encountered a series of problems:System pipeline vibration, abnormal sound, oil return are asked
Topic, press minimum pressure ratio etc. can not be met.In order to solve these problems, it is necessary to put into substantial amounts of R&D costs, while also can
Increase the complexity of refrigeration system.And increasing the energy consumption that electrical heating in a disguised form adds air-conditioning, Energy Efficiency Ratio substantially reduces.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of this utility model, which is to provide one kind, can expand compressor refrigerating capacity regulation
The refrigeration system of scope.
Technical scheme is used by the utility model:A kind of refrigeration system, including compressor, the refrigeration system are also wrapped
Include control valve, at least two condenser streams, at least two evaporator streams;The control valve is at least one by extremely for controlling
The break-make for the path that a few condenser stream and at least one evaporator stream are linked to be;The outlet and condensation of the compressor
The entrance connection of device stream;The outlet of the condenser stream is connected with the entrance of evaporator stream;The evaporator stream
Outlet is connected with the entrance of compressor.
Further, the control valve includes at least one condenser flow circuit control valve and at least one evaporator stream control
Valve processed;The condenser flow circuit control valve is connected with condenser stream;The evaporator flow circuit control valve connects with evaporator stream
Connect;The refrigeration system also includes at least one main line pipeline, and each main line pipeline is by least two condenser streams
The outlet on road and the entrance of at least two evaporator streams are attached.
Further, the control valve includes at least one evaporator flow circuit control valve, the evaporator flow circuit control valve
It is connected with evaporator stream, the refrigeration system also includes at least two bypass lines, the number of the bypass line, condenser
The number of stream is identical with the number of evaporator stream, and the outlet of each condenser stream is corresponding to pass through a bypass line
It is connected with the entrance of an evaporator stream;
Or;The control valve includes at least one evaporator flow circuit control valve and condenser flow circuit control valve, described cold
Condenser flow circuit control valve is connected with condenser stream;The evaporator flow circuit control valve is connected with evaporator stream;The refrigeration
System also includes at least two bypass lines, the number of the bypass line, the number of condenser stream and evaporator stream
Number is identical, and the outlet of each condenser stream is corresponding to be connected by a bypass line and the entrance of an evaporator stream
Connect.
Further, the refrigeration system includes at least three condenser streams and at least three evaporator streams;It is described
Control valve includes at least one condenser flow circuit control valve and at least two evaporator flow circuit control valves;The refrigeration system is also wrapped
At least one main line pipeline and at least one bypass line are included, wherein, each main line pipeline is by least two condensations
The outlet of device stream and the entrance of at least two evaporator streams are attached;The remaining condenser stream of refrigeration system
The outlet of each condenser stream is corresponding in road is connected by a bypass line with the entrance of an evaporator stream.
Further, the evaporator flow circuit control valve includes magnetic valve or electric expansion valve, and the magnetic valve is arranged on
Before the entrance of evaporator stream or after the outlet of evaporator stream.
Further, the condenser flow circuit control valve includes magnetic valve, and the magnetic valve is arranged on condenser stream
Before entrance or after the outlet of condenser stream.
Further, the electric expansion valve for controlling flow is provided with least one main line pipeline.
Further, the electric expansion valve for controlling flow is provided with least one bypass line.
Further, it is provided with least one main line pipeline and/or at least one bypass line for controlling stream
The electric expansion valve of amount.
Further, the compressor includes frequency-changeable compressor.
The beneficial effects of the utility model are:The utility model is by setting control valve to realize at least one by least one
The break-make control for the path that individual condenser stream and at least one evaporator stream are linked to be, and then realize the refrigerating capacity of compressor
Regulation, ensure compressor infrequently start and stop, overcome and mended in the prior art by further reducing compressor rotary speed and electrical heating
Repay the problems such as realizing the system pipeline vibration occurred during refrigerating capacity regulation, energy consumption increase.
Brief description of the drawings
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings:
Fig. 1 is a kind of first embodiment schematic diagram of refrigeration system of the utility model;
Fig. 2 is a kind of second embodiment schematic diagram of refrigeration system of the utility model;
Fig. 3 is a kind of 3rd embodiment schematic diagram of refrigeration system of the utility model;
Fig. 4 is a kind of fourth embodiment schematic diagram of refrigeration system of the utility model;
Fig. 5 is a kind of the 5th embodiment schematic diagram of refrigeration system of the utility model;
Fig. 6 is a kind of sixth embodiment schematic diagram of refrigeration system of the utility model;
Wherein, 1 is compressor;2 be the first condenser stream;3 be the second condenser stream;4 be the first evaporator stream;
5 be the second evaporator stream;6 be the first magnetic valve;7 be second solenoid valve;8 be the first electric expansion valve;9 be that the second electronics is swollen
Swollen valve;10 be the 3rd condenser stream;11 be the 4th condenser stream;12 be the 3rd evaporator stream;13 be the 4th evaporator
Stream;14 be the 3rd magnetic valve;15 be the 4th magnetic valve;16 be the 3rd electric expansion valve;17 be the 4th electric expansion valve;A is
Tie point pipeline;B is the second bypass line;C is the first main line pipeline;D is the second main line pipeline;E is the 3rd bypass line.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.
A kind of refrigeration system, including compressor, control valve, at least two condenser streams, at least two evaporator streams;
Control valve is used to control at least one path being linked to be by least one condenser stream and at least one evaporator stream
Break-make;The outlet of compressor is connected with the entrance of condenser stream;The outlet of condenser stream connects with the entrance of evaporator stream
Connect;The outlet of evaporator stream and the entrance of compressor connect.The utility model is by setting control valve to realize at least one
The path being linked to be by least one condenser stream and at least one evaporator stream break-make control, heat exchanging area it is big
It is small to be controlled, and then the refrigerating capacity regulation of compressor is realized, ensure compressor infrequently start and stop, it is not necessary to further reduce pressure
Machine rotating speed, so as to avoid drop Rotation Process in be likely to occur vibration, abnormal sound, low-pressure ratio the problems such as;Refrigerant system configurations are simple
And energy consumption is low, overcomes energy consumption increase occurred when realizing that refrigerating capacity is adjusted by electrical heating combination in the prior art etc. and ask
Topic.
Further, compressor can be frequency-changeable compressor.Multiple condenser streams of the present utility model, for example first is cold
Condenser stream and the second condenser stream, can be the not cocurrent flow of two single condensers or same condenser
Road.The heat exchange area of first condenser stream and the second condenser stream is also without equal.Evaporator stream is similarly.
As the further improvement of technical scheme, control valve includes at least one evaporator flow circuit control valve, evaporator stream
Road control valve is connected with evaporator stream, and refrigeration system also includes at least two bypass lines, the number of bypass line, condenser
The number of stream is identical with the number of evaporator stream, and the outlet of each condenser stream is corresponding to pass through a bypass line and one
The entrance connection of individual evaporator stream.
As the further improvement of technical scheme, control valve includes at least one evaporator flow circuit control valve and condenser stream
Road control valve, condenser flow circuit control valve are connected with condenser stream;Evaporator flow circuit control valve is connected with evaporator stream;System
Cooling system also includes at least two bypass lines, the number of the number of bypass line, the number of condenser stream and evaporator stream
Mesh is identical, and the outlet of each condenser stream is corresponding to be connected by a bypass line with the entrance of an evaporator stream.
Condenser flow circuit control valve can be magnetic valve in the utility model, and evaporator flow circuit control valve can be magnetic valve
Or electric expansion valve;Furthermore condenser flow circuit control valve can be placed on before and after condenser stream, evaporator flow circuit control valve can be with
It is placed on the front and rear (evaporator flow circuit control valve if electric expansion valve, before just can be only placed at evaporator stream of evaporator stream
Face;If evaporator flow circuit control valve is magnetic valve, the front or behind of evaporator stream can be placed on) only need that two can be controlled
The break-make of individual stream;In addition, into having to pass through electric expansion valve before evaporator stream.During actual use, by becoming
Partial flowpafh is closed during the frequency compressor slow-speed of revolution, reduces condenser and evaporator heat exchange area, refrigeration system heat exchange can be reduced
Amount, so as to expand the refrigerating capacity adjustable range of frequency-changeable compressor, reduce the risk of high frequent start and stop.Meanwhile close part
The path of evaporator stream and partial condensation stream composition can improve condensing pressure, be advantageous to refrigeration system opening at low temperature
It is dynamic;Also compression ratio during low frequency can be improved, makes it possible further to reduce compressor lower limit rotating speed.Use closing partial condensation
Coil pipe scheme can avoid the various problems being likely encountered in the further down speeding procedure of compressor, and the Energy Efficiency Ratio of system also will not be too
It is low.
Further, the electric expansion valve for controlling flow is provided with least one bypass line.With reference to figure 1, Fig. 1
It is a kind of first embodiment schematic diagram of refrigeration system of the utility model, in the present embodiment, condenser flow circuit control valve is using electricity
Magnet valve, refrigeration system include compressor 1, the first condenser stream 2, the second condenser stream 3, the first evaporator stream 4, second
Evaporator stream 5, the first magnetic valve 6, the first electric expansion valve 8, the second electric expansion valve 9, tie point pipeline A and second
Road pipeline B, is connected in the way of shown in Fig. 1 by connecting tube.Fig. 1 control mode has two kinds:The first, without control
The first magnetic valve 6 is made, the first magnetic valve 6 can remove, and (link together one of the present embodiment middle finger is cold for each bypass line
Condenser stream and an evaporator stream) controlled by an electric expansion valve.
Second, control the break-make of the second condenser stream 3 and the first evaporator stream 4 by the first magnetic valve 6, first
Electric expansion valve 8, the second electric expansion valve 9 are used to realize bypass flow control, and the first electric expansion valve 8 is also used as control valve control
Make the break-make of the first condenser stream 2 and the second evaporator stream 5;When refrigeration system load reduction, refrigeration demand or press
When rotating speed is reduced to preset value 1, the first magnetic valve 6 is closed, and refrigerant is no longer pass through the second condenser stream 3 and the first evaporator
Stream 4, heat exchange area reduce, and the minimum refrigerating capacity of system reduces, and is matched with low-load.When refrigeration system load increase, refrigeration
Demand or press rotating speed are increased to predetermined value 2, and the first magnetic valve 6 is opened, the second condenser stream 3 and the first evaporator stream
4 circulations, heat exchange area increase, cooling system amount increase, matched with high capacity.
In the present embodiment, refrigeration system only needs an evaporator flow circuit control valve such as the first electric expansion valve 8, the second electronics
Expansion valve 9, or, a condenser flow circuit control valve and evaporator flow circuit control valve (such as first 6, second electricity of magnetic valve
Sub- expansion valve 9) it can be achieved to control the break-make of fractional distilling tube stream and evaporator stream;During actual use, it can select
Turn off one of the second condenser stream 3 and the first evaporator stream 4, the first condenser stream 2 and second evaporator stream 5
Individual branch road come realize refrigerating capacity adjust.
As the further improvement of technical scheme, control valve includes at least one condenser flow circuit control valve and at least one
Evaporator flow circuit control valve;Condenser flow circuit control valve is connected with condenser stream;Evaporator flow circuit control valve and evaporator stream
Road connects;Refrigeration system also includes at least one main line pipeline, and each main line pipeline is by the outlet of at least two condenser streams
It is attached with the entrance of at least two evaporator streams.Further, it is provided with least one main line pipeline for controlling
The electric expansion valve of flow.Electric expansion valve is set on the pipeline of main line, i.e., into before evaporator stream, refrigerant has to pass through section
Stream.
With reference to figure 2, Fig. 2 is a kind of second embodiment schematic diagram of refrigeration system of the utility model, in the present embodiment, condensation
Device flow circuit control valve uses magnetic valve, and evaporator flow circuit control valve is realized using magnetic valve;Refrigeration system include compressor 1,
First condenser stream 2, the second condenser stream 3, the first evaporator stream 4, the second evaporator stream 5, the first magnetic valve 6,
Second solenoid valve 7, the first electric expansion valve 8 and the first main line pipeline C;Connected in the way of Fig. 2 by connecting tube;The
One electric expansion valve 8 uses as the flow control valve of main line pipeline;Second condenser stream 3 is controlled by the first magnetic valve 6
Break-make, pass through second solenoid valve 7 control the first evaporator stream 4 break-make;First magnetic valve 6 and second solenoid valve 7 combine
Realize and the break-make of the second condenser stream 3 and the first evaporator stream 4 is controlled;When system load reduce, refrigeration demand or
Press rotating speed is reduced to preset value 1, and the first magnetic valve 6 and second solenoid valve 7 are closed, and refrigerant is no longer pass through the second condenser stream
The evaporator stream 4 of road 3 and first.Heat exchange area, which reduces, reduces minimum refrigerating capacity, is matched with low-load.
When system load increases, refrigeration demand or press rotating speed are increased to preset value 2, the first magnetic valve 6 and the second electricity
Magnet valve 7 is opened, and the second condenser stream 3 and the first evaporator stream 4 circulate, and heat exchange area becomes ambassador's refrigerant system capacity and increased
Greatly, matched with high capacity.
On the basis of second embodiment, improvement can also be done and obtain 3rd embodiment and fourth embodiment, with reference to figure 3,
Fig. 3 is a kind of 3rd embodiment schematic diagram of refrigeration system of the utility model;As shown in figure 3, set in each evaporator stream
Put evaporator flow circuit control valve and carry out break-make control, in the present embodiment, evaporator flow circuit control valve uses electric expansion valve;
With reference to figure 4, Fig. 4 is a kind of fourth embodiment schematic diagram of refrigeration system of the utility model, by each condenser stream
Upper to set a condenser flow circuit control valve to carry out break-make control, condenser flow circuit control valve uses magnetic valve;In each steaming
Send out and an evaporator flow circuit control valve progress break-make control is set on device stream, in the present embodiment, evaporator flow circuit control valve is adopted
Use electric expansion valve;When carrying out refrigerating capacity regulation, it can select to close in one in condenser stream and evaporator stream
One, realize that heat exchange area is adjusted.
With reference to figure 5, Fig. 5 is a kind of the 5th embodiment schematic diagram of refrigeration system of the utility model, and refrigeration system includes pressure
Contracting machine 1, the first condenser stream 2, the second condenser stream 3, the first evaporator stream 4, second the 5, first electricity of evaporator stream
Magnet valve 6, second solenoid valve 7, the first electric expansion valve 8, the second electric expansion valve 9, the 3rd condenser stream 10, the 4th condenser
Stream 11, the 3rd evaporator stream 12, the 4th evaporator stream 13, the 3rd magnetic valve 14, the 4th magnetic valve 15, the 3rd electronics are swollen
Swollen valve 16, the 4th electric expansion valve 17, the first main line pipeline C and the second main line pipeline D;More control selections, Ke Yishi are provided
Control the logical of the first main line pipeline C and/or fractional distilling tube stream on the second main line pipeline D and partial vaporiser stream
It is disconnected, realize that refrigerating capacity is adjusted.
As the further improvement of technical scheme, refrigeration system includes at least three condenser streams and at least three evaporations
Device stream;Control valve includes at least one condenser flow circuit control valve and at least two evaporator flow circuit control valves;Refrigeration system
Also include at least one main line pipeline and at least one bypass line, wherein, each main line pipeline is by least two condenser streams
The outlet on road and the entrance of at least two evaporator streams are attached;Each condensed in the remaining condenser stream of refrigeration system
The outlet of device stream is corresponding to be connected by a bypass line with the entrance of an evaporator stream.For example, when have 5 it is cold
When condenser stream and 5 evaporator streams, refrigeration system can set 2 main line pipelines and 1 bypass line, each main line pipe
Road connects 2 condenser streams and 2 evaporator streams, and a bypass line connects a condenser stream and 1 evaporator
Stream;Or 1 main line pipeline and 1 bypass line are set, main line pipeline connects 4 condenser streams and 4 evaporator streams
Road;One bypass line connects a condenser stream and 1 evaporator stream;Or 1 main line pipeline and 2 branch roads are set
Pipeline, main line pipeline connect 3 condenser streams and 3 evaporator streams, and each bypass line connects a condenser stream
With an evaporator stream;The situation of multiple condenser streams and multiple evaporator streams, the rest may be inferred.Further, at least
The electric expansion valve for controlling flow is provided with one main line pipeline and/or at least one bypass line.
With reference to figure 6, Fig. 6 is a kind of sixth embodiment schematic diagram of refrigeration system of the utility model, and condenser stream controls
Valve uses magnetic valve, and evaporator flow circuit control valve uses electric expansion valve;Refrigeration system includes compressor 1, the first condenser stream
Road 2, the second condenser stream 3, the first evaporator stream 4, the second evaporator stream 5, the first magnetic valve 6, second solenoid valve 7,
First electric expansion valve 8, the second electric expansion valve 9, the 3rd condenser stream 10, the 3rd evaporator stream 12, the 3rd magnetic valve
14th, the 3rd electric expansion valve 16, the 3rd bypass line E and the first main line pipeline C;Refrigeration system can be by controlling the 3rd electromagnetism
The first condenser stream 2 of break-make or control, the second condenser stream 3, the first evaporator stream 4, the second evaporator of valve 14
Stream 5 forms the break-make of 1 or 2 condenser streams-evaporator stream combination;Or control the 3rd magnetic valve 14 break-make and
First condenser stream 2, the second condenser stream 3, the first evaporator stream 4, the second evaporator stream 5 wherein 1 condenser
The break-make of stream and the break-make of an evaporator stream combination, control section condenser stream and partial vaporiser stream realizes system
Cold regulation.
The compressor that certain refrigeration system uses, the given variable frequency range of producer is 25RPS-115RPS, minimum pressure ratio limitation
1.4.For this refrigeration system in actual motion, when compressor rotary speed is 25RPS, pressure ratio is already below 1.4, it is impossible to ensures length
Phase normal operation, so minimum speed can only accomplish 30RPS.And evaporator, the condenser heat exchange area designed is pressed in 90RPS
That comes, under 30RPS press rotating speeds, minimum refrigerating capacity about 1.8kW are matched under contracting machine speed conditions.Maximum speed takes 90RPS,
Maximum cooling capacity is 3.5kW, then the adjustable range of compressor refrigerating capacity is 1.8-3.5kW.
After partial flowpafh scheme is closed, under 30RPS, cooling system amount is reduced to 1.4kW.Compressor refrigerating capacity is adjusted
Adjusting range is expanded to 1.4-3.5kW.Simultaneously as closing part heat exchange stream, system pressure ratio improves, and lower limit rotating speed can reduce
To 25RPS, minimum refrigerating capacity can accomplish 1kW, and the refrigerating capacity range regulation scope of compressor further expands.
Above is preferably implement to be illustrated to of the present utility model, but the invention is not limited to the reality
Example is applied, those skilled in the art can also make a variety of equivalent variations on the premise of without prejudice to the utility model spirit
Or replace, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (10)
1. a kind of refrigeration system, including compressor, it is characterised in that the refrigeration system also includes control valve, at least two cold
Condenser stream, at least two evaporator streams;The control valve be used to controlling it is at least one by least one condenser stream and
The break-make for the path that at least one evaporator stream is linked to be;The outlet of the compressor is connected with the entrance of condenser stream;
The outlet of the condenser stream is connected with the entrance of evaporator stream;The outlet of the evaporator stream and the entrance of compressor
Connection.
2. refrigeration system according to claim 1, it is characterised in that the control valve includes at least one condenser stream
Control valve and at least one evaporator flow circuit control valve;The condenser flow circuit control valve is connected with condenser stream;The steaming
Hair device flow circuit control valve is connected with evaporator stream;The refrigeration system also includes at least one main line pipeline, each described dry
The outlet of at least two condenser streams and the entrance of at least two evaporator streams are attached by road pipeline.
3. refrigeration system according to claim 1, it is characterised in that the control valve includes at least one evaporator stream
Control valve, the evaporator flow circuit control valve are connected with evaporator stream, and the refrigeration system also includes at least two bypass ducts
Road, the number of the bypass line, the number of condenser stream are identical with the number of evaporator stream, each condenser stream
The outlet on road is corresponding to be connected by a bypass line with the entrance of an evaporator stream;
Or;The control valve includes at least one evaporator flow circuit control valve and condenser flow circuit control valve, the condenser
Flow circuit control valve is connected with condenser stream;The evaporator flow circuit control valve is connected with evaporator stream;The refrigeration system
Also include at least two bypass lines, the number of the number of the bypass line, the number of condenser stream and evaporator stream
Identical, the outlet of each condenser stream is corresponding to be connected by a bypass line with the entrance of an evaporator stream.
4. refrigeration system according to claim 1, it is characterised in that the refrigeration system includes at least three condenser streams
Road and at least three evaporator streams;The control valve includes at least one condenser flow circuit control valve and at least two evaporators
Flow circuit control valve;The refrigeration system also includes at least one main line pipeline and at least one bypass line, wherein, it is each described
The outlet of at least two condenser streams and the entrance of at least two evaporator streams are attached by main line pipeline;
The outlet of each condenser stream is corresponding in the remaining condenser stream of refrigeration system passes through a bypass line and one
The entrance connection of evaporator stream.
5. according to the refrigeration system described in any one of claim 2 to 4, it is characterised in that the evaporator flow circuit control valve bag
Include magnetic valve or electric expansion valve, the magnetic valve is arranged on before the entrance of evaporator stream or the outlet of evaporator stream
Afterwards.
6. refrigeration system according to claim 5, it is characterised in that the condenser flow circuit control valve includes magnetic valve,
The magnetic valve is arranged on before the entrance of condenser stream or after the outlet of condenser stream.
7. refrigeration system according to claim 2, it is characterised in that be provided with and be used at least one main line pipeline
Control the electric expansion valve of flow.
8. refrigeration system according to claim 3, it is characterised in that be provided with and be used at least one bypass line
Control the electric expansion valve of flow.
9. refrigeration system according to claim 4, it is characterised in that at least one main line pipeline and/or at least one
The electric expansion valve for controlling flow is provided with individual bypass line.
10. the refrigeration system according to any one of Claims 1-4,7 to 9, it is characterised in that the compressor includes
Frequency-changeable compressor.
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CN201720724479.2U CN206944520U (en) | 2017-06-20 | 2017-06-20 | A kind of refrigeration system |
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CN201720724479.2U CN206944520U (en) | 2017-06-20 | 2017-06-20 | A kind of refrigeration system |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109612143A (en) * | 2018-11-28 | 2019-04-12 | 宁波奥克斯电气股份有限公司 | A kind of air-conditioning and its control method of the condenser that can be changed with heat exchange area |
CN111578549A (en) * | 2020-05-28 | 2020-08-25 | 珠海格力电器股份有限公司 | Condensing unit capable of adjusting cooling capacity and control method thereof |
CN112815561A (en) * | 2019-10-31 | 2021-05-18 | 广东美的白色家电技术创新中心有限公司 | Refrigeration device |
CN113302436A (en) * | 2019-01-28 | 2021-08-24 | 三菱电机株式会社 | Air conditioning apparatus |
CN113701371A (en) * | 2021-08-03 | 2021-11-26 | 中国核电工程有限公司 | Direct evaporation type refrigerating unit and control method thereof |
CN114811987A (en) * | 2022-04-25 | 2022-07-29 | 珠海格力电器股份有限公司 | Cabinet air conditioner and control method |
WO2024000807A1 (en) * | 2022-06-27 | 2024-01-04 | 广东海悟科技有限公司 | Multi-mode circulating air conditioning device and refrigeration system |
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2017
- 2017-06-20 CN CN201720724479.2U patent/CN206944520U/en active Active
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109612143A (en) * | 2018-11-28 | 2019-04-12 | 宁波奥克斯电气股份有限公司 | A kind of air-conditioning and its control method of the condenser that can be changed with heat exchange area |
CN113302436A (en) * | 2019-01-28 | 2021-08-24 | 三菱电机株式会社 | Air conditioning apparatus |
CN112815561A (en) * | 2019-10-31 | 2021-05-18 | 广东美的白色家电技术创新中心有限公司 | Refrigeration device |
CN112815561B (en) * | 2019-10-31 | 2022-03-25 | 广东美的白色家电技术创新中心有限公司 | Refrigeration device |
CN111578549A (en) * | 2020-05-28 | 2020-08-25 | 珠海格力电器股份有限公司 | Condensing unit capable of adjusting cooling capacity and control method thereof |
CN111578549B (en) * | 2020-05-28 | 2021-04-27 | 珠海格力电器股份有限公司 | Condensing unit capable of adjusting cooling capacity and control method thereof |
CN113701371A (en) * | 2021-08-03 | 2021-11-26 | 中国核电工程有限公司 | Direct evaporation type refrigerating unit and control method thereof |
CN114811987A (en) * | 2022-04-25 | 2022-07-29 | 珠海格力电器股份有限公司 | Cabinet air conditioner and control method |
WO2024000807A1 (en) * | 2022-06-27 | 2024-01-04 | 广东海悟科技有限公司 | Multi-mode circulating air conditioning device and refrigeration system |
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