CN207163030U - A kind of refrigeration pipe system of multiple evaporators - Google Patents
A kind of refrigeration pipe system of multiple evaporators Download PDFInfo
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- CN207163030U CN207163030U CN201720908063.6U CN201720908063U CN207163030U CN 207163030 U CN207163030 U CN 207163030U CN 201720908063 U CN201720908063 U CN 201720908063U CN 207163030 U CN207163030 U CN 207163030U
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Abstract
The utility model provides a kind of refrigeration pipe system of multiple evaporators, including more evaporator units, the first compressor, the second compressor, the first condenser and the second condenser；Every evaporator unit includes：First filter, the first expansion valve, evaporator, the second filter, the second expansion valve.In refrigeration system of the present utility model, while more evaporator units are arranged using parallel way, between the first U-shaped pipe and the second U-shaped pipe of multiple evaporation elements in evaporator also by the way of in parallel, on the one hand the area of evaporator can effectively be reduced, on the other hand the uneven phenomenon of the air themperature in evaporator unit is avoided, and then ensure that the comfort level of evaporator surrounding environment.
Description
Technical field
Refrigeration system is the utility model is related to, more particularly to a kind of refrigeration pipe system of multiple evaporators.
Background technology
At present, the evaporator area of large-scale direct evaporating air conditioner group is often very big, need to use more evaporator parallel connections
Mode, the form of compressor also generally use Double-head, a compressor is responsible for 3~4 evaporators.Air-conditioning is born among one day
Lotus is continually changing, and when air conditioner load reduces, compressor unloads automatically, or even only opens a wherein compressor.It is this
Situation accounts for 60%~70% in air-conditioner operation time.After a wherein compressor is shut down, its evaporator serviced
Just it is stopped therewith, this, which is resulted in, flows through the air of the evaporator being stopped and just directly flowed through without any processing, this portion
Dividing between air and the air for passing through the evaporator to work just has the very big temperature difference, causes the air themperature in unit uniform
Degree is inadequate, influences the comfort level of air conditioner surroundings.
In order to solve the above problems, the utility model provides a kind of multiple evaporations by changing refrigerant line arrangement form
The refrigeration system of device, can effectively solve drawbacks described above.
Utility model content
The purpose of this utility model is to provide a kind of refrigeration pipe system of multiple evaporators.
To achieve these goals, the utility model provides following technical scheme：
A kind of refrigeration pipe system of multiple evaporators, including more evaporator units, the first compressor, the second compression
Machine, the first condenser and the second condenser；
Every evaporator unit includes：It is first filter, the first expansion valve, evaporator, the second filter, second swollen
Swollen valve；
Wherein, the outlet of first compressor is connected with the entrance of first condenser；Multiple first filterings
Outlet after the entrance parallel connection of device with first condenser is connected；The outlet of the first filter and first expansion valve
Entrance be connected；The outlet of first expansion valve is connected with the first liquid separation pipeline of the evaporator；Multiple evaporators
The first collecting pipe parallel connection after be connected with the entrance of first compressor；
The outlet of second compressor is connected with the entrance of second condenser；Multiple second filters enter
It is connected after mouth is in parallel with the outlet of second condenser；The outlet of second filter and the entrance of second expansion valve
It is connected；The outlet of second expansion valve is connected with the second liquid separation pipeline of the evaporator；The first of multiple evaporators
Entrance after collecting pipe parallel connection with second compressor is connected.
Further, in the refrigeration pipe system of above-mentioned multiple evaporators, the evaporator includes multiple evaporation elements.
Further, in the refrigeration pipe system of above-mentioned multiple evaporators, the evaporation element includes：
First U-shaped pipe, the liquid inlet of first U-shaped pipe are connected with the first liquid separation pipeline, the first U
The gas vent of type pipeline is connected with first collecting pipe；
Second U-shaped pipe, the liquid inlet of second U-shaped pipe are connected with the second liquid separation pipeline, the 2nd U
The gas vent of type pipeline is connected with second collecting pipe.
Further, in the refrigeration pipe system of above-mentioned multiple evaporators, first condenser condenses for water-cooled
Device, the first water inlet and the first delivery port are set on first condenser.
Further, in the refrigeration pipe system of above-mentioned multiple evaporators, second condenser condenses for water-cooled
Device, the second water inlet and the second delivery port are set on second condenser.
Further, in the refrigeration pipe system of above-mentioned multiple evaporators, the refrigeration through first compressor outflow
Agent flows to the first filter of every evaporator unit through the first condenser respectively, and through first expansion valve and
First liquid separation pipeline, and then the liquid inlet of the first U-shaped pipe through multiple evaporation elements flows to first U-tube
Road, then the refrigerant of the gas vent outflow through the first U-shaped pipe is collected to the first collecting pipe, and then flows back to described first
Compressor；The refrigerant for flowing to first U-shaped pipe carries out hot friendship by the air around evaporation and first U-shaped pipe
Change.
Further, in the refrigeration pipe system of above-mentioned multiple evaporators, the refrigerant through the outflow of the second compressor passes through
Second condenser flows to the second filter of every evaporator unit respectively, and through the second expansion valve and the second liquid separation pipeline, enters
It is then U-shaped through second and the liquid inlet of the second U-shaped pipe through multiple evaporation elements flows to second U-shaped pipe
The refrigerant of the gas vent outflow of pipeline is collected to the second collecting pipe, and then flows back to second compressor；Described in flow direction
The refrigerant of second U-shaped pipe carries out heat exchange by the air around evaporation and second U-shaped pipe.
Further, in the refrigeration pipe system of above-mentioned multiple evaporators, the refrigerant is hydrogen fluorohydrocarbon class refrigerant.
Further, in the refrigeration pipe system of above-mentioned multiple evaporators, the hydrogen fluorohydrocarbon class refrigerant be R134A,
R125, R32, R407C, R410A or R152.
Further, in the refrigeration pipe system of above-mentioned multiple evaporators, when the refrigeration system is in running order,
The temperature difference between the first U-shaped pipe surrounding air and the second U-shaped pipe surrounding air is 1~5 DEG C.
Analysis understands that the utility model discloses a kind of refrigeration pipe system of multiple evaporators and had the following technical effect that：
In refrigeration system of the present utility model, while more evaporator units are arranged using parallel way, evaporation
, on the one hand can be effective between the first U-shaped pipe and the second U-shaped pipe of multiple evaporation elements in device also by the way of in parallel
The area of evaporator is reduced, on the other hand avoids the uneven phenomenon of the air themperature in evaporator unit, and then ensure that steaming
Send out the comfort level of device surrounding environment.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding to of the present utility model, this practicality
New schematic description and description is used to explain the utility model, does not form to improper restriction of the present utility model.
Wherein：
The structural representation of the embodiment of Fig. 1 the utility model one；
Fig. 2 is the evaporator front view of embodiment in Fig. 1；
Fig. 3 is the top view of the evaporator in Fig. 1.
Description of reference numerals：1 first compressor, 2 first condensers, 21 first water inlets, 22 first delivery ports, 3 first
Filter, 4 first expansion valves, 5 evaporators, 51 first liquid separation pipelines, 52 first collecting pipes, 53 second liquid separation pipelines, 54
Two collecting pipes, 6 second compressors, 61 liquid inlets, 62 gas vents, 63 liquid inlets, 64 gas vents, 7 second condensations
Device, 71 second water inlets, 72 second delivery ports, 8 second filters, 9 second expansion valves, 10 evaporation elements, 101 first U-tubes
Road, 102 second U-shaped pipes.
Embodiment
Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.Each example passes through the utility model
The mode of explanation provide and unrestricted the utility model.In fact, those skilled in the art will be clear that, this reality is not being departed from
In the case of with new scope or spirit, it can be modified in the utility model and modification.For example, it is illustrated or described as one
The feature of a part for individual embodiment can be used for another embodiment, to produce another embodiment.Thus, it may be desirable to
The utility model includes the such modifications and variations being included into the range of appended claims and its equivalent.
In description of the present utility model, term " longitudinal direction ", " transverse direction ", " on ", " under ", "front", "rear", "left", "right",
The orientation or position relationship of the instruction such as " vertical ", " level ", " top ", " bottom " be based on orientation shown in the drawings or position relationship,
It is for only for ease of description the utility model rather than requires that the utility model must be with specific azimuth configuration and operation, therefore
It is not intended that to limitation of the present utility model.The term " connected " that is used in the utility model, " connection " should be interpreted broadly,
For example, it may be it is fixedly connected or is detachably connected；Can be joined directly together, can also be indirect by intermediate member
It is connected, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.Such as this
As used in literary, term " first " and " second " are interchangeably used, and a component is distinguished with another, and not purport
Representing the position of independent component or importance.
As shown in Figure 1 to Figure 3, according to embodiment of the present utility model, there is provided a kind of refrigeration pipe of multiple evaporators
System, including more evaporator units, the first compressor 1, the second compressor 6, the first condenser 2 and the second condenser 7；Every
Evaporator unit includes：First filter 3, the first expansion valve 4, evaporator 5, the second filter 8, the second expansion valve 9；Wherein,
The outlet of first compressor 1 is connected with the entrance of the first condenser 2；It is cold with first after the entrance parallel connection of multiple first filters 3
The outlet of condenser 2 is connected；The outlet of first filter 3 is connected with the entrance of the first expansion valve 4；The outlet of first expansion valve 4 with
First liquid separation pipeline 51 of evaporator 5 is connected；After the parallel connection of the first collecting pipe 52 of multiple evaporators 5 with the first compressor 1
Entrance is connected；
The outlet of second compressor 6 is connected with the entrance of the second condenser 7；After the entrance parallel connection of multiple second filters 8
Outlet with the second condenser 7 is connected；The outlet of second filter 8 is connected with the entrance of the second expansion valve 9；Second expansion valve 9
Outlet be connected with the second liquid separation pipeline 53 of evaporator 5；Pressed after the parallel connection of the second collecting pipe 54 of multiple evaporators 5 with second
The entrance of contracting machine 6 is connected.
In the refrigeration system of above-mentioned multiple evaporators, refrigerant is done work using compressor so that refrigerant is carried out
The circulation converted from the gas of low-temp low-pressure to high temperature and high pressure gas；Using condenser by the heat of high-temperature high-pressure refrigerant gas
Outdoor or other low-temperature receivers are transferred to by heat exchange；Using filter come the impurity in filtered fluid refrigerant；Using expansion valve
Reducing pressure by regulating flow is carried out to liquid refrigerant；The cold of the liquid refrigerant of low-temp low-pressure is passed by heat exchange using evaporator 5
Room air is passed, and takes away the vapor in a certain amount of air.
Further, in the refrigeration pipe system of above-mentioned multiple evaporators, evaporator 5 includes multiple evaporation elements 10.
Further, in the refrigeration pipe system of above-mentioned multiple evaporators, evaporation element 10 includes：First U-shaped pipe
101, the liquid inlet 61 of the first U-shaped pipe 101 is connected with the first liquid separation pipeline 51, the gas vent 62 of the first U-shaped pipe 101
It is connected with the first collecting pipe 52；Second U-shaped pipe 102, the liquid separation pipeline of liquid inlet 63 and second of the second U-shaped pipe 102
53 are connected, and the gas vent 64 of the second U-shaped pipe 102 is connected with the second collecting pipe 54.
Further, in the refrigeration pipe system of above-mentioned multiple evaporators, the first condenser 2 is water cooled condenser,
First water inlet 21 and the first delivery port 22 are set on the first condenser 2.
Further, in the refrigeration pipe system of above-mentioned multiple evaporators, the second condenser 7 is water cooled condenser,
Second water inlet 71 and the second delivery port 72 are set on the second condenser 7.
The heat of high-temperature high-pressure refrigerant gas is transferred in water by heat exchange using water cooled condenser, after heat absorption
Water can be used as hot water for life etc..
Further, in the refrigeration pipe system of above-mentioned multiple evaporators, the refrigerant through the outflow of the first compressor 1 passes through
First condenser 2 flows to the first filter 3 of every evaporator unit respectively, and through the first expansion valve 4 and the first liquid separation pipeline
51, and then the liquid inlet 61 of the first U-shaped pipe 101 through multiple evaporation elements 10 flows to the first U-shaped pipe 101, Ran Hou
The refrigerant that the gas vent 62 of one U-shaped pipe 101 flows out is collected to the first collecting pipe 52, and then flows back to the first compressor 1；
The refrigerant for flowing to the first U-shaped pipe 101 carries out heat exchange by the air around evaporation and the first U-shaped pipe 101.
Further, in the refrigeration pipe system of above-mentioned multiple evaporators, the refrigerant through the outflow of the second compressor 6 passes through
Second condenser 7 flows to the second filter 8 of every evaporator unit respectively, and through the second expansion valve 9 and the second liquid separation pipeline
53, and then the liquid inlet 63 of the second U-shaped pipe 102 through multiple evaporation elements 10 flows to the second U-shaped pipe 102, Ran Houjing
The refrigerant that the gas vent 64 of second U-shaped pipe 102 flows out is collected to the second collecting pipe 54, and then flows back to the second compressor
6；The refrigerant for flowing to the second U-shaped pipe 102 carries out heat exchange by the air around evaporation and the second U-shaped pipe 102.
Further, in the refrigeration pipe system of above-mentioned multiple evaporators, refrigerant is hydrogen fluorohydrocarbon class refrigerant.
Further, in the refrigeration pipe system of above-mentioned multiple evaporators, hydrogen fluorohydrocarbon class refrigerant be R134A, R125,
R32, R407C, R410A or R152.
Further, in the refrigeration system of above-mentioned multiple evaporators, when the refrigeration system is in running order, the first U
The temperature difference between the surrounding air of type pipeline 101 and the surrounding air of the second U-shaped pipe 102 is 1~5 DEG C (such as 2 DEG C, 3 DEG C, 4 DEG C).
Because the temperature difference between the surrounding air of the first U-shaped pipe 101 and the surrounding air of the second U-shaped pipe 102 is smaller, therefore avoid steaming
The phenomenon of the air themperature unevenness in device unit is sent out, and then ensure that the comfort level of the surrounding environment of evaporator 5.
Referring to shown in Fig. 1 to Fig. 3, the direction in Fig. 3 shown in arrow is wind direction, the refrigeration of the multiple evaporators of the utility model
The operation principle of pipe-line system is specific as follows：
First circulation：The gas refrigerant of low-temp low-pressure is converted into high temperature and high pressure gas through the first compressor 1 and flows to first
Condenser 2；The high-temperature high-pressure gas refrigerant of the first condenser 2 is flowed to flowing to the first condenser 2 through the first water inlet 21
Water carries out heat exchange, and high-temperature high-pressure gas refrigerant is condensed into the liquid refrigerant of cryogenic high pressure, and then flows to every evaporator
The first filter 3 of unit, then the liquid through the first expansion valve 4 by the liquid refrigerant reducing pressure by regulating flow of cryogenic high pressure for low-temp low-pressure
Cryogen, and then flow through the first liquid separation pipeline 51, then the first U-shaped pipe 101 of multiple evaporation elements 10 through evaporator 5
Liquid inlet 61 flow to the first U-shaped pipe 101, flow to the liquid refrigerant and first of the low-temp low-pressure of the first U-shaped pipe 101
Air around U-shaped pipe 101 carries out heat exchange, liquid refrigerant and then is evaporated to gas, the first U-shaped pipe after cooling
Air around 101 plays a part of to room temperature lowering to indoor diffusion, is evaporated to the refrigerant of gas through the more of evaporator 5
The gas vent 62 of first U-shaped pipe 101 of individual evaporation element 10 is collected to the first collecting pipe 52 after flowing out, and then flows back to the
One compressor 1；Played a part of by above-mentioned circulation to indoor refrigeration.
Second circulation：The gas refrigerant of low-temp low-pressure is converted into high temperature and high pressure gas through the second compressor 6 and flows to second
Condenser 7；The high-temperature high-pressure gas refrigerant of the second condenser 7 is flowed to flowing to the second condenser 7 through the second water inlet 71
Water carries out heat exchange, and high-temperature high-pressure gas refrigerant is condensed into the liquid refrigerant of cryogenic high pressure, and then flows to every evaporator
Second filter 8 of unit, then the liquid through the second expansion valve 9 by the liquid refrigerant reducing pressure by regulating flow of cryogenic high pressure for low-temp low-pressure
Cryogen, and then flow through the second liquid separation pipeline 53, then the second U-shaped pipe 102 of multiple evaporation elements 10 through evaporator 5
Liquid inlet 63 flow to the second U-shaped pipe 102, flow to the liquid refrigerant and second of the low-temp low-pressure of the second U-shaped pipe 102
Air around U-shaped pipe 102 carries out heat exchange, liquid refrigerant and then is evaporated to gas, the second U-shaped pipe after cooling
Air around 102 plays a part of to room temperature lowering to indoor diffusion, is evaporated to the refrigerant of gas through the more of evaporator 5
The gas vent 64 of second U-shaped pipe 102 of individual evaporation element 10 is collected to the second collecting pipe 54 after flowing out, and then flows back to the
Two compressors 6；Played a part of by above-mentioned circulation to indoor refrigeration.
In above-mentioned circulation, when the first compressor 1 (or second compressor 6) unloads automatically, every evaporator 5 it is multiple
Refrigerant in second U-shaped pipe 102 (or first U-shaped pipe 101) of evaporation element 10 continues to work, therefore, avoids
The uneven phenomenon of air themperature in evaporator group.
As can be seen from the above description, the utility model the above embodiments realize following technique effect：
In refrigeration system of the present utility model, while more evaporator units are arranged using parallel way, evaporation
, on the one hand can be effective between the first U-shaped pipe and the second U-shaped pipe of multiple evaporation elements in device also by the way of in parallel
The area of evaporator is reduced, on the other hand avoids the phenomenon of the air themperature unevenness in evaporator unit, and then ensure that
The comfort level of evaporator surrounding environment.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this area
Technical staff for, the utility model can have various modifications and variations.It is all within the spirit and principles of the utility model,
Any modification, equivalent substitution and improvements made etc., should be included within the scope of protection of the utility model.
Claims (10)
- A kind of 1. refrigeration pipe system of multiple evaporators, it is characterised in that including more evaporator units, the first compressor, Second compressor, the first condenser and the second condenser；Every evaporator unit includes：First filter, the first expansion valve, evaporator, the second filter, the second expansion Valve；Wherein, the outlet of first compressor is connected with the entrance of first condenser；Multiple first filters Outlet after entrance parallel connection with first condenser is connected；The outlet of the first filter and entering for first expansion valve Mouth is connected；The outlet of first expansion valve is connected with the first liquid separation pipeline of the evaporator；The of multiple evaporators Entrance after one collecting pipe parallel connection with first compressor is connected；The outlet of second compressor is connected with the entrance of second condenser；The entrance of multiple second filters is simultaneously Outlet after connection with second condenser is connected；The outlet of second filter and the entrance phase of second expansion valve Even；The outlet of second expansion valve is connected with the second liquid separation pipeline of the evaporator；Second collection of multiple evaporators Entrance after feed channel parallel connection with second compressor is connected.
- 2. the refrigeration pipe system of multiple evaporators according to claim 1, it is characterised in that the evaporator includes more Individual evaporation element.
- 3. the refrigeration pipe system of multiple evaporators according to claim 2, it is characterised in that the evaporation element bag Include：First U-shaped pipe, the liquid inlet of first U-shaped pipe are connected with the first liquid separation pipeline, first U-tube The gas vent in road is connected with first collecting pipe；Second U-shaped pipe, the liquid inlet of second U-shaped pipe are connected with the second liquid separation pipeline, second U-tube The gas vent in road is connected with second collecting pipe.
- 4. the refrigeration pipe system of multiple evaporators according to claim 1, it is characterised in that first condenser is Water cooled condenser, the first water inlet and the first delivery port are set on first condenser.
- 5. the refrigeration pipe system of multiple evaporators according to claim 1, it is characterised in that second condenser is Water cooled condenser, the second water inlet and the second delivery port are set on second condenser.
- 6. the refrigeration pipe system of multiple evaporators according to claim 1, it is characterised in that through first compressor The refrigerant of outflow flows to the first filter of every evaporator unit through the first condenser respectively, and through described One expansion valve and the first liquid separation pipeline, and then described in the liquid inlet flow direction of the first U-shaped pipe through multiple evaporation elements First U-shaped pipe, the refrigerant that then gas vent through the first U-shaped pipe flows out are collected to the first collecting pipe, Jin Erliu Return first compressor；The refrigerant for flowing to first U-shaped pipe passes through the sky around evaporation and first U-shaped pipe Gas carries out heat exchange.
- 7. the refrigeration pipe system of multiple evaporators according to claim 1, it is characterised in that flowed out through the second compressor Refrigerant flow to the second filter of every evaporator unit respectively through the second condenser, and through the second expansion valve and second point Liquid pipe road, and then the liquid inlet of the second U-shaped pipe through multiple evaporation elements flows to second U-shaped pipe, then The refrigerant of gas vent outflow through the second U-shaped pipe is collected to the second collecting pipe, and then flows back to second compressor； The refrigerant for flowing to second U-shaped pipe carries out heat exchange by the air around evaporation and second U-shaped pipe.
- 8. the refrigeration pipe system of multiple evaporators according to claim 6 or 7, it is characterised in that the refrigerant is Hydrogen fluorohydrocarbon class refrigerant.
- 9. the refrigeration pipe system of multiple evaporators according to claim 8, it is characterised in that the hydrogen fluorohydrocarbon class refrigeration Agent is R134A, R125, R32, R407C, R410A or R152.
- 10. the refrigeration pipe system of multiple evaporators according to claim 3, it is characterised in that at the refrigeration system When working condition, the temperature difference between the first U-shaped pipe surrounding air and the second U-shaped pipe surrounding air is 1~5 ℃。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720908063.6U CN207163030U (en) | 2017-07-25 | 2017-07-25 | A kind of refrigeration pipe system of multiple evaporators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720908063.6U CN207163030U (en) | 2017-07-25 | 2017-07-25 | A kind of refrigeration pipe system of multiple evaporators |
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| Publication Number | Publication Date |
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| CN207163030U true CN207163030U (en) | 2018-03-30 |
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ID=61713960
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720908063.6U Active CN207163030U (en) | 2017-07-25 | 2017-07-25 | A kind of refrigeration pipe system of multiple evaporators |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260562A (en) * | 2019-05-16 | 2019-09-20 | 广东西屋康达空调有限公司 | A kind of control method and evaporator of electronic expansion valve opening |
-
2017
- 2017-07-25 CN CN201720908063.6U patent/CN207163030U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260562A (en) * | 2019-05-16 | 2019-09-20 | 广东西屋康达空调有限公司 | A kind of control method and evaporator of electronic expansion valve opening |
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