CN110094808A - Multi-connected cold and hot water air conditioning unit suitable for variable load and operation method - Google Patents
Multi-connected cold and hot water air conditioning unit suitable for variable load and operation method Download PDFInfo
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- CN110094808A CN110094808A CN201910374769.2A CN201910374769A CN110094808A CN 110094808 A CN110094808 A CN 110094808A CN 201910374769 A CN201910374769 A CN 201910374769A CN 110094808 A CN110094808 A CN 110094808A
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- Prior art keywords
- heat
- heat exchanger
- exchanging component
- hot water
- air conditioning
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title abstract description 5
- 238000011017 operating method Methods 0.000 claims description 5
- 230000000712 assembly Effects 0.000 abstract 3
- 238000000429 assembly Methods 0.000 abstract 3
- 230000003044 adaptive effect Effects 0.000 abstract 1
- 239000003507 refrigerant Substances 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
- F24F3/065—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units with a plurality of evaporators or condensers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The invention relates to a variable-load adaptive multi-connected cold and hot water air conditioning unit and an operation method thereof. The multi-connected cold and hot water air conditioning unit comprises a first heat exchanger, a second heat exchanger and a heat exchanger, wherein the first heat exchanger comprises: a housing; the at least two heat exchange assemblies are arranged in the shell; a second heat exchanger configured to be selectively connectable to at least one of the at least two heat exchange assemblies; and a compressor having an output configured to be selectively connectable to one of the first and second heat exchangers and an input configured to be selectively connectable to the other of the first and second heat exchangers; the compressor is configured to selectively couple at least one of the at least two heat exchange assemblies in the first heat exchanger when coupled to the first heat exchanger. The invention can select at least one heat exchange assembly to work according to the load, can balance the heat exchange capacity of the two heat exchangers when the load fluctuates, improves the reliability of small-load operation, meets various load requirements and improves the comfort of users.
Description
Technical field
The present invention relates to field of air conditioning more particularly to a kind of multiple cold-hot water air conditioning unit for adapting to varying duty and operations
Method.
Background technique
Multiple water chiller-heater unit first produces chilled water or hot water by host, then is pipelined to end
The air-conditioning of air is adjusted for user.In actual operation, since end load changes, unit is likely to occur the feelings of Smaller load operation
Condition.If unit is chronically at Smaller load operating status, it is easy to cause compressor band liquid, discharge superheat deficiency etc. influences unit
Operational reliability even damages compressor.
Summary of the invention
One of purpose of the invention be propose it is a kind of adapt to varying duty multiple cold-hot water air conditioning unit and operation
Method, to alleviate the problem of can not adapting to different operating loads.
Some embodiments of the present invention provide a kind of multiple cold-hot water air conditioning unit comprising:
First Heat Exchanger, comprising:
Shell；And
At least two heat-exchanging components, are disposed in the housing；
Second heat exchanger is configured as at least one of alternative described at least two heat-exchanging component of connection；And
Compressor, output end are configured as alternative connect in the First Heat Exchanger and second heat exchanger
One of them, input terminal is configured as wherein another in the alternative connection First Heat Exchanger and second heat exchanger
It is a；
When the compressor is configured as connecting with the First Heat Exchanger, alternative is connected in the First Heat Exchanger
At least one of at least two heat-exchanging component.
In some embodiments, the heat-exchanging component includes set of heat exchange tubes.
In some embodiments, wherein at least partly heat exchanger tube in a set of heat exchange tubes and another set of heat exchange tubes at least
Part heat exchanger tube alternates setting.
In some embodiments, the heat-exchanging component includes two headers, wherein a header connects the heat exchanger tube
The input terminal of group, another header connect the output end of the set of heat exchange tubes.
In some embodiments, the heat-exchanging component includes two switch valves, and one of switch valve is set to the heat exchange
On the pipeline that component is connect with the compressor, another switch valve is set to what the heat-exchanging component was connect with second heat exchanger
On pipeline.
In some embodiments, at least two heat-exchanging component includes the first heat-exchanging component and the second heat-exchanging component, institute
Stating the first heat-exchanging component includes the first set of heat exchange tubes, and second heat-exchanging component includes the second set of heat exchange tubes, first heat exchange
Heat exchanger tube in the heat exchanger tube of Guan Zuzhong and second set of heat exchange tubes alternates setting.
In some embodiments, the compressor connects each heat exchange group in the First Heat Exchanger by parallel pipeline
Part；Second heat exchanger connects each heat-exchanging component in the First Heat Exchanger by parallel pipeline.
In some embodiments, switch valve is equipped on each parallel pipeline.
In some embodiments, each heat-exchanging component in the First Heat Exchanger is generally aligned in the same plane or is located at different flat
Face.
In some embodiments, the First Heat Exchanger includes fin-tube heat exchanger.
Some embodiments of the present invention provide a kind of operating method of above-mentioned multiple cold-hot water air conditioning unit, packet
It includes:
Under the operating status of Smaller load range, selection is exchanged heat by a heat-exchanging component in First Heat Exchanger；
Under the operating status for being greater than Smaller load range, selection by least two heat-exchanging components in First Heat Exchanger into
Row heat exchange.
Based on the above-mentioned technical proposal, the present invention at least has the advantages that
In some embodiments, multiple cold-hot water air conditioning unit includes First Heat Exchanger and the second heat exchanger, and first changes
Hot device include at least two heat-exchanging components, under operation, can be selected according to payload at least one heat-exchanging component into
Row work, can balanced load fluctuation when First Heat Exchanger and the second heat exchanger exchange capability of heat, improve Smaller load operation can
By property, meet a variety of burden requirements, improves user's comfort.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram for the multiple cold-hot water air conditioning unit that some embodiments of the invention provide.
Numbering in the drawing:
1- First Heat Exchanger；11- shell；12- heat-exchanging component；The first heat-exchanging component of 121-；The second heat-exchanging component of 122-；
13- header；The first header of 131-；The second header of 132-；14- switch valve；141- first switch valve；142- second switch
Valve；
The second heat exchanger of 2-；
3- compressor；
4- four-way valve；
5- electric expansion valve；
The first shut-off valve of 6-；
The second shut-off valve of 7-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, is clearly and completely retouched to the technical solution in embodiment
It states.Obviously, described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Bright embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the present invention
The limitation of range.
As shown in Figure 1, the schematic diagram of the multiple cold-hot water air conditioning unit provided for some embodiments.
In some embodiments, multiple cold-hot water air conditioning unit includes First Heat Exchanger 1, the second heat exchanger 2 and compression
Machine 3.The output end of compressor 3 is configured to one of them in alternative connection First Heat Exchanger 1 and the second heat exchanger 2；
The input terminal of compressor 3 is configured to the another one in alternative connection First Heat Exchanger 1 and the second heat exchanger 2.
First Heat Exchanger 1 can be used as evaporator or condenser, corresponding, the second heat exchanger 2 can be used as condenser or
Evaporator.Second heat exchanger 2 is set to user terminal, is used to adjust room temperature for user, or hot and cold for providing for user
Water.
In some embodiments, multiple cold-hot water air conditioning unit includes four-way valve 4, realizes compressor 3 by four-way valve 4
Output end and input terminal and First Heat Exchanger 1 and the second heat exchanger 2 selective connection.
In some embodiments, multiple cold-hot water air conditioning unit includes electric expansion valve 5.Electric expansion valve 5 is set to the
On the pipeline that one heat exchanger 1 is connect with the second heat exchanger 2.
In some embodiments, multiple cold-hot water air conditioning unit include the first shut-off valve 6 and the second shut-off valve 7, first
Shut-off valve 6 is set on the pipeline that compressor 3 is connect with the second heat exchanger 3, and the second shut-off valve 7 is set to First Heat Exchanger 1 and second
On the pipeline that heat exchanger 2 connects.
When refrigeration, the high pressure gaseous refrigerant of the output end discharge of compressor 3 enters the first heat exchange by four-way valve 4
Device 1 condenses, and condensed high-pressure liquid refrigerant enters the second heat exchanger 2 after the throttling of electric expansion valve 5 and exchanges heat, cold after heat exchange
Matchmaker returns to the input terminal of compressor 3.
When heating, the high pressure gaseous refrigerant of the output end discharge of compressor 3 enters the second heat exchange by four-way valve 4
2 heat release of device, the high-pressure liquid refrigerant after heat exchange enters First Heat Exchanger 1 after the throttling of electric expansion valve 5 and exchanges heat, cold after heat exchange
Matchmaker returns to the input terminal of compressor 3.
In some embodiments, First Heat Exchanger 1 includes shell 11 and at least two heat-exchanging components 12.At least two heat exchange
Component 12 is set in shell 11.
Second heat exchanger 2 is configured at least two heat-exchanging components 12 in alternative connection First Heat Exchanger 1
At least one.
Compressor 3 is configured at least two heat-exchanging components 12 in alternative connection First Heat Exchanger 1 at least
One.
In some embodiments, First Heat Exchanger 1 includes at least two heat-exchanging components 12, under operation, Ke Yigen
Select at least one heat-exchanging component 12 to work according to payload, can balanced load fluctuation when First Heat Exchanger 1 and second
The exchange capability of heat of heat exchanger 2 improves Smaller load reliability of operation, meets a variety of burden requirements, improves user's comfort.
In some embodiments, compressor 3 connects each heat-exchanging component 12 in First Heat Exchanger 1 by parallel pipeline；
Second heat exchanger 2 connects each heat-exchanging component 12 in First Heat Exchanger 1 by parallel pipeline.
In some embodiments, switch valve 14 is equipped on each parallel pipeline.Each heat exchange group is controlled by switch valve 14
Whether part 12 participates in heat exchange work.It is fully open in the switch valve 14 that the input terminal and output end of the heat-exchanging component 12 are correspondingly arranged
In the state of, which participates in heat exchange work.
In some embodiments, heat-exchanging component 12 includes set of heat exchange tubes.Tube Sheet of Heat Exchanger group includes at least two heat exchanger tubes.
In some embodiments, wherein at least partly heat exchanger tube in a set of heat exchange tubes and another set of heat exchange tubes at least
Part heat exchanger tube alternates setting.
In some embodiments, at least two heat-exchanging components 12 include the first heat-exchanging component 121 and the second heat-exchanging component
122, the first heat-exchanging component 121 includes the first set of heat exchange tubes, and the second heat-exchanging component 122 includes the second set of heat exchange tubes, the first heat exchange
Heat exchanger tube in the heat exchanger tube of Guan Zuzhong and the second set of heat exchange tubes alternates setting, is conducive to improve heat exchange efficiency.
In some embodiments, at least two heat-exchanging components 12 include the first heat-exchanging component, the second heat-exchanging component and third
Heat-exchanging component, the first heat-exchanging component include the first set of heat exchange tubes, and the second heat-exchanging component includes the second set of heat exchange tubes, third heat exchange group
Part includes third set of heat exchange tubes.Third set of heat exchange tubes is located at the middle part of shell 1, a part of heat exchanger tube in third set of heat exchange tubes with
Part heat exchanger tube in first set of heat exchange tubes alternates setting, and another part heat exchanger tube in third set of heat exchange tubes is changed with second
Part heat exchanger tube in heat pipe heat alternates setting, is conducive to improve heat exchange efficiency.
In some embodiments, heat-exchanging component 12 includes two headers 13, wherein a header 13 connects set of heat exchange tubes
Input terminal, another header 13 connects the output end of set of heat exchange tubes.
In some embodiments, at least two heat-exchanging components 12 include the first heat-exchanging component 121 and the second heat-exchanging component
122.First heat-exchanging component 121 includes the first set of heat exchange tubes, and the second heat-exchanging component 122 includes the second set of heat exchange tubes.
First heat-exchanging component 121 includes two first headers 131, wherein the first heat exchange of one first header 131 connection
The input terminal of pipe group, another first header 131 connect the output end of the first set of heat exchange tubes.
Second heat-exchanging component 122 includes two second headers 132, wherein the second heat exchange of one second header 132 connection
The input terminal of pipe group, another second header 132 connect the output end of the second set of heat exchange tubes.
In some embodiments, heat-exchanging component 12 includes two switch valves 14, and one of switch valve 14 is set to heat exchange group
On the pipeline that part 12 is connect with compressor 3, another switch valve 14 is set to the pipeline that heat-exchanging component 12 is connect with the second heat exchanger 2
On.
First heat-exchanging component 121 includes two first switch valves 141, wherein a first switch valve 141 is set to the first heat exchange
On the pipeline that component 121 is connect with compressor 3, another first switch valve 141 is set to the first heat-exchanging component 12 and the second heat exchanger 2
On the pipeline of connection.
Second heat-exchanging component 122 includes two second switch valves 142, wherein a second switch valve 142 is set to the second heat exchange
On the pipeline that component 122 is connect with compressor 3, another second switch valve 142 is set to the second heat-exchanging component 12 and the second heat exchanger 2
On the pipeline of connection.
In some embodiments, each heat-exchanging component 12 in First Heat Exchanger 1 is generally aligned in the same plane or is located at different flat
Face.
In some embodiments, at least two heat-exchanging components 12 include 121 He of the first heat-exchanging component being generally aligned in the same plane
Second heat-exchanging component 122.First heat-exchanging component 121 includes two first headers 131.Second heat-exchanging component 122 includes two
Second header 132.First header 131 of 121 input terminal of the first heat-exchanging component is located at 122 input terminal of the second heat-exchanging component
The outside of second header 132, it is defeated that the first header 131 of 121 output end of the first heat-exchanging component is located at the second heat-exchanging component 122
The outside of second header 132 of outlet.
The pipeline that first header 131 is connect with each heat exchanger tube in the first heat-exchanging component 121 can pass through the second collection
Flow tube 132, but be not connected to the second header 132.
In some embodiments, First Heat Exchanger 1 includes fin-tube heat exchanger.
Finned tube in fin-tube heat exchanger is divided into two set of heat exchange tubes, the entrance of one of set of heat exchange tubes converges
Equipped with a header, outlet converges equipped with another header.The entrance of another one set of heat exchange tubes converges equipped with a header,
Converge equipped with another header outlet.Compressor is separately connected two set of heat exchange tubes, the second heat exchanger by two parallel pipelines
Two set of heat exchange tubes are separately connected by two parallel pipelines, four parallel pipelines are respectively equipped with a switch valve, independent control
Refrigerant on-off has the function that adjust fin-tube heat exchanger heat exchange area.
Certainly, it is not limited to for the finned tube in fin-tube heat exchanger to be divided into two set of heat exchange tubes, it can also be according to practical feelings
Finned tube in fin-tube heat exchanger is divided into more than two set of heat exchange tubes by condition, and it is one that each set of heat exchange tubes, which is respectively converged,
Road, cooperation on-off valve control refrigeration matchmaker's on-off.
The number of heat-exchanging component is used by selectivity, the exchange capability of heat of evaporator and condenser when balanced load fluctuates,
Smaller load reliability of operation is improved, a variety of burden requirements are met, improves user's comfort.
Some embodiments provide a kind of operating methods of above-mentioned multiple cold-hot water air conditioning unit comprising:
Under the operating status of Smaller load range, selection is changed by a heat-exchanging component 12 in First Heat Exchanger 1
Heat；So that unit Smaller load range run in the case where can long-term safety reliably run.
Under the operating status for being greater than Smaller load range, selection passes through at least two heat-exchanging components in First Heat Exchanger 1
12 exchange heat, and meet a variety of burden requirements, improve user's comfort.
In some embodiments, at least two heat-exchanging components 12 include the first heat-exchanging component 121 and the second heat-exchanging component
122.First heat-exchanging component 121 includes the first set of heat exchange tubes, and the second heat-exchanging component 122 includes the second set of heat exchange tubes.
First heat-exchanging component 121 includes two first switch valves 141, wherein a first switch valve 141 is set to the first heat exchange
On the pipeline that component 121 is connect with compressor 3, another first switch valve 141 is set to the first heat-exchanging component 121 and the second heat exchanger
On the pipeline of 2 connections.
Second heat-exchanging component 122 includes two second switch valves 142, wherein a second switch valve 142 is set to the second heat exchange
On the pipeline that component 122 is connect with compressor 3, another second switch valve 142 is set to the second heat-exchanging component 122 and the second heat exchanger
On the pipeline of 2 connections.
The operating method of above-described embodiment are as follows:
Refrigeration mode varying duty
When carrying out refrigerating operaton under normal duty range, two first switch valves 141 and two second switch valves 142 are complete
It opens, unit is run by common refrigeration air-conditioner, and refrigerant exchanges heat in all heat-exchanging components 12 of First Heat Exchanger 1.
When unit is in the operation of Smaller load range, compressor accordingly reduces frequency, and two first switch valves 141 are closed,
Refrigerant exchanges heat in the second heat-exchanging component 122, and the refrigerant after heat exchange enters the second heat exchanger after the throttling of electric expansion valve 5
2 absorb heat, and the refrigerant in cooling second heat exchanger 2 is end cooling supply.
Compared with normal mode, the heat exchange area of First Heat Exchanger 1 reduces, and the heat exchange area for being equivalent to whole system subtracts
Small, when matching Smaller load range is run refrigerating capacity, when avoiding the problem that the operation of common air-conditioning unit Smaller load range.
Heating mode varying duty
When carrying out heating operation under normal duty range, two first switch valves 141 and two second switch valves 142 are complete
It opens, unit is run by common cooling/heating air conditioner, and refrigerant exchanges heat in all heat-exchanging components 12 of First Heat Exchanger 1.
When unit is in the operation of Smaller load range, compressor accordingly reduces frequency, and two first switch valves 141 are closed,
Refrigerant discharges heat in the second heat exchanger 2, is end heat supply, enters the of First Heat Exchanger 1 after the throttling of electric expansion valve 5
It exchanges heat in two heat-exchanging components 122, the refrigerant after heat exchange returns to compressor, completes circulation.
Compared with normal mode, the heat exchange area of First Heat Exchanger 1 reduces, and the heat exchange area for being equivalent to whole system subtracts
Small, when matching Smaller load range is run heating capacity, when avoiding the problem that the operation of common air-conditioning unit Smaller load range.
In above-described embodiment, in the operation of Smaller load range, two second switch valves 142 can also be closed, first changes
Hot component 121 works.
First heat-exchanging component 121 and the second heat-exchanging component 122 can exchange heat when Smaller load range is run, and can press valve pass
Close number of cycles replacement.Such as: two first switch valves 141 are closed more than three times, then are converted to close off two second switch valves
142 three times, is recycled with this.It can also additionally increase failure transformation mechanism, such as: two 141 failures of first switch valve, then automatic conversion
It works for two second switch valves 142 of adjustment.First heat-exchanging component 121 and the second heat-exchanging component 122 can rotation use, improve and adjust
Save reliability.
In the description of the present invention, it is to be understood that, zero is limited using the words such as " first ", " second ", " third "
Component, it is only for convenient for distinguishing to above-mentioned parts, do not have Stated otherwise such as, above-mentioned word contains there is no special
Justice, therefore should not be understood as limiting the scope of the invention.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.In addition, not clear
In the case where negative, the technical characteristic of one of embodiment valuably can also be tied mutually with other one or more embodiments
It closes.
Claims (11)
1. a kind of multiple cold-hot water air conditioning unit characterized by comprising
First Heat Exchanger (1), comprising:
Shell (11)；And
At least two heat-exchanging components (12) are set in the shell (11)；
Second heat exchanger (2) is configured as at least one of alternative described at least two heat-exchanging component (12) of connection；With
And
Compressor (3), output end are configured as the alternative connection First Heat Exchanger (1) and second heat exchanger
(2) one of them in, input terminal are configured as alternative connecting the First Heat Exchanger (1) and second heat exchanger
(2) another one in；
When the compressor (3) is configured as connecting with the First Heat Exchanger (1), alternative connects the First Heat Exchanger
(1) at least one of described at least two heat-exchanging component (12) in.
2. multiple cold-hot water air conditioning unit as described in claim 1, which is characterized in that the heat-exchanging component (12) includes changing
Heat pipe heat.
3. multiple cold-hot water air conditioning unit as claimed in claim 2, which is characterized in that wherein in a set of heat exchange tubes at least
At least partly heat exchanger tube in part heat exchanger tube and another set of heat exchange tubes alternates setting.
4. multiple cold-hot water air conditioning unit as claimed in claim 2, which is characterized in that the heat-exchanging component (12) includes two
Root header (13) a, wherein header (13) connects the input terminal of the set of heat exchange tubes, described in another header (13) connection
The output end of set of heat exchange tubes.
5. multiple cold-hot water air conditioning unit as described in claim 1, which is characterized in that the heat-exchanging component (12) includes two
A switch valve (14), one of switch valve (14) are set to the pipeline that the heat-exchanging component (12) are connect with the compressor (3)
On, another switch valve (14) is set on the pipeline that the heat-exchanging component (12) are connect with second heat exchanger (2).
6. multiple cold-hot water air conditioning unit as described in claim 1, which is characterized in that at least two heat-exchanging component
It (12) include the first heat-exchanging component (121) and the second heat-exchanging component (122), first heat-exchanging component (121) is changed including first
Heat pipe heat, second heat-exchanging component (122) include the second set of heat exchange tubes, the heat exchanger tube in first set of heat exchange tubes with it is described
Heat exchanger tube in second set of heat exchange tubes alternates setting.
7. multiple cold-hot water air conditioning unit as described in claim 1, which is characterized in that the compressor (3) passes through parallel connection
Each heat-exchanging component (12) in First Heat Exchanger described in piping connection (1)；Second heat exchanger (2) is connected by parallel pipeline
Connect each heat-exchanging component (12) in the First Heat Exchanger (1).
8. multiple cold-hot water air conditioning unit as claimed in claim 7, which is characterized in that be equipped with switch on each parallel pipeline
Valve (14).
9. multiple cold-hot water air conditioning unit as described in claim 1, which is characterized in that in the First Heat Exchanger (1)
Each heat-exchanging component (12) is generally aligned in the same plane or is located at Different Plane.
10. multiple cold-hot water air conditioning unit as described in claim 1, which is characterized in that the First Heat Exchanger (1) includes
Fin-tube heat exchanger.
11. a kind of operating method of multiple cold-hot water air conditioning unit as described in claim 1, which is characterized in that
Under the operating status of Smaller load range, selection is changed by a heat-exchanging component (12) in First Heat Exchanger (1)
Heat；
Under the operating status for being greater than Smaller load range, selection passes through at least two heat-exchanging components in First Heat Exchanger (1)
(12) it exchanges heat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910374769.2A CN110094808A (en) | 2019-05-07 | 2019-05-07 | Multi-connected cold and hot water air conditioning unit suitable for variable load and operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910374769.2A CN110094808A (en) | 2019-05-07 | 2019-05-07 | Multi-connected cold and hot water air conditioning unit suitable for variable load and operation method |
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|---|---|
| CN110094808A true CN110094808A (en) | 2019-08-06 |
Family
ID=67447071
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| CN201910374769.2A Pending CN110094808A (en) | 2019-05-07 | 2019-05-07 | Multi-connected cold and hot water air conditioning unit suitable for variable load and operation method |
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| CN203405032U (en) * | 2013-06-18 | 2014-01-22 | 广东美的暖通设备有限公司 | Condenser with adjustable heat exchange area and air conditioning system |
| CN103644685A (en) * | 2013-12-26 | 2014-03-19 | 杭州三花微通道换热器有限公司 | Heat exchanger and air conditioner with multiple refrigeration systems provided with heat exchanger |
| CN105972808A (en) * | 2016-05-18 | 2016-09-28 | 广东美的暖通设备有限公司 | Indoor air conditioner, air conditioner system and control method for operation mode of air conditioner system |
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2019
- 2019-05-07 CN CN201910374769.2A patent/CN110094808A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1082569A (en) * | 1996-09-09 | 1998-03-31 | Fujitsu General Ltd | Air conditioner |
| CN203405032U (en) * | 2013-06-18 | 2014-01-22 | 广东美的暖通设备有限公司 | Condenser with adjustable heat exchange area and air conditioning system |
| CN103644685A (en) * | 2013-12-26 | 2014-03-19 | 杭州三花微通道换热器有限公司 | Heat exchanger and air conditioner with multiple refrigeration systems provided with heat exchanger |
| CN105972808A (en) * | 2016-05-18 | 2016-09-28 | 广东美的暖通设备有限公司 | Indoor air conditioner, air conditioner system and control method for operation mode of air conditioner system |
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Application publication date: 20190806 |