CN205245597U - Two compressor formula refrigerating system - Google Patents
Two compressor formula refrigerating system Download PDFInfo
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- CN205245597U CN205245597U CN201521083791.5U CN201521083791U CN205245597U CN 205245597 U CN205245597 U CN 205245597U CN 201521083791 U CN201521083791 U CN 201521083791U CN 205245597 U CN205245597 U CN 205245597U
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- formula refrigeration
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Abstract
The utility model discloses a two compressor formula refrigerating system, including connecting gradually compressor unit spare, condenser, throttling arrangement and the evaporimeter that forms refrigeration circuit, compressor unit spare includes the the first compressor and second compressor, valve structure and pipeline of series connection, valve structure is used for connecting the first compressor's export, the entry of second compressor and the entry of pipeline, the first compressor operates with the second compressor simultaneously can to make the first compressor operate perhaps alone through the control flap structure. Implement the beneficial effects of the utility model are that: two compressor formula refrigerating system adopts the first compressor, second compressor and valve structure isotructure, can be according to service conditions's different control valve structure so that the first compressor alone function or the first compressor operate simultaneously with the second compressor, when the first compressor operates with the second compressor simultaneously, can increase whole refrigerating system's varied refrigerant volume and then improvement refrigerating output.
Description
Technical field
The utility model relates to the technical fields such as heat pump, air-conditioning, freezing and refrigeration, more particularly, relates to a kind of double-compressor formula refrigeration system.
Background technology
In refrigeration industry, the refrigeration air-conditioners such as source pump (hot water design temperature is generally 55 °), air conditioner, special air conditioner and refrigeration are when evaporating temperature very low (as below-20 ° or-30 °), due to the very little to such an extent as to Exhaust temperature rise of compressor of the displacement of compressor, thereby finally affect the performance of unit. In prior art, air injection enthalpy-increasing technology is in the industries such as heat pump, air-conditioning, freezing and refrigeration, to reduce a kind of method that the delivery temperature of compressor assembly adopts conventionally. But air injection enthalpy-increasing technology can only be improved heating performance under low temperature, but can not improve significantly refrigerating capacity.
Utility model content
The technical problems to be solved in the utility model is, for the defect of prior art, provides a kind of double-compressor formula refrigeration system that can improve significantly refrigerating capacity.
The utility model solves the technical scheme that its technical problem adopts: constructed a kind of double-compressor formula refrigeration system, comprised the compressor assembly, condenser, throttling arrangement and the evaporimeter that are in turn connected to form refrigerating circuit; Described compressor assembly comprises the first compressor of being connected in series and the second compressor, valve mechanism, and is connected to the pipeline of the outlet of described valve mechanism and described the second compressor; Described valve mechanism is for connecting outlet, the entrance of described the second compressor and the entrance of described pipeline of described the first compressor; Can make the independent running of described the first compressor or described the first compressor and described the second compressor operate by controlling described valve mechanism simultaneously.
In double-compressor formula refrigeration system described in the utility model, described valve mechanism is triple valve.
In double-compressor formula refrigeration system described in the utility model, described valve mechanism comprises the first magnetic valve being connected between the outlet of described the first compressor and the entrance of described the second compressor, and is connected to the second magnetic valve between the outlet of described the first compressor and the entrance of described pipeline.
In double-compressor formula refrigeration system described in the utility model, described compressor assembly, described condenser and described evaporimeter are connected to form refrigerating circuit by cross valve.
In double-compressor formula refrigeration system described in the utility model, described double-compressor formula refrigeration system also comprises gas-liquid separator, is connected to the tube connector of the outlet of described condenser and the entrance of described gas-liquid separator, and is arranged on the valve module on described tube connector.
In double-compressor formula refrigeration system described in the utility model, described double-compressor formula refrigeration system also comprises the heat exchanger tube being connected between described condenser and described throttling arrangement; Described heat exchanger tube is placed in described gas-liquid separator.
In double-compressor formula refrigeration system described in the utility model, described gas-liquid separator and described heat exchanger tube are integrated.
In double-compressor formula refrigeration system described in the utility model, described valve module is electric expansion valve; The temperature sensing device of described electric expansion valve is placed on the outer surface of the blast pipe of described compressor assembly.
In double-compressor formula refrigeration system described in the utility model, described gas-liquid separator and described compressor assembly are separate type.
In double-compressor formula refrigeration system described in the utility model, described double-compressor formula refrigeration system also comprises gas-liquid separator, is connected between described condenser and described throttling arrangement and is placed in the heat exchanger tube in described gas-liquid separator and is connected to the outlet of described heat exchanger tube and the tube connector of the entrance of described gas-liquid separator, and is arranged on the valve module on described tube connector.
Implement double-compressor formula refrigeration system of the present utility model, there is following beneficial effect: described double-compressor formula refrigeration system adopts the structures such as the first compressor, the second compressor and valve mechanism, can be according to the different by-pass valve control structure actions of service condition, so that the independent running of the first compressor or the first compressor and the second compressor are operated simultaneously, in the time that the first compressor and the second compressor operate simultaneously, can increase the cold medium flux of whole refrigeration system, and then improve refrigerating capacity.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the theory diagram of the double-compressor formula refrigeration system that provides of one of the utility model preferred embodiment;
Fig. 2 is the theory diagram of the double-compressor formula refrigeration system that provides of two of the utility model preferred embodiment;
Fig. 3 is the theory diagram of the double-compressor formula refrigeration system that provides of three of the utility model preferred embodiment;
Fig. 4 is the theory diagram of the double-compressor formula refrigeration system that provides of four of the utility model preferred embodiment;
Fig. 5 is the theory diagram of the double-compressor formula refrigeration system that provides of five of the utility model preferred embodiment.
Detailed description of the invention
Understand for technical characterictic of the present utility model, object and effect being had more clearly, now contrast accompanying drawing and describe detailed description of the invention of the present utility model in detail.
As shown in Figure 1, one of preferred embodiment of the present utility model provides a kind of double-compressor formula refrigeration system, and it comprises compressor assembly 1, condenser 2, throttling arrangement 3 and evaporimeter 4. Compressor assembly 1, condenser 2, throttling arrangement 3 are in turn connected to form refrigerating circuit with evaporimeter 4, and the circulating direction of refrigerant in refrigerating circuit as shown in FIG..
Particularly, as shown in Figure 1, this compressor assembly 1 is for refrigeration power is provided, and it comprises the first compressor 11, the second compressor 12, valve mechanism 13 and pipeline 14. Wherein, the first compressor 11 and the second compressor 12 are connected in series, and the first compressor 11 can operate separately, also can operate with the second compressor 12 simultaneously. This valve mechanism 13 is for connecting outlet, the entrance of the second compressor 12 and the entrance of pipeline 14 of the first compressor 11, and pipeline 14 is connected between valve mechanism 13 and the outlet of the second compressor 12. Adopt the structure of this valve mechanism 13, can make refrigerant enter the second compressor 12 or enter pipeline 14 by the first compressor 11 by the first compressor 11, also, can make the to flow through refrigerant of the first compressor 11 switches in the second compressor 12 and pipeline 14. In the present embodiment, valve mechanism 13 adopts triple valve, and the arrival end of this triple valve is communicated with the outlet of the first compressor 11, and two ports of export of this triple valve are communicated with the entrance of the second compressor 12, the entrance of pipeline 14 respectively. While controlling triple valve action, or the outlet of the first compressor 11 is communicated with the entrance of the second compressor 12, or the outlet of the first compressor 11 is communicated with the entrance of pipeline 14. This triple valve is structure common in prior art, does not repeat them here. This valve mechanism 13 can also be cross valve or special-shaped cross valve, adopts the structure of cross valve or special-shaped cross valve, and the refrigerant that can realize equally first compressor 11 of flowing through switches in the second compressor 12 and pipeline 14.
In the time that the service condition of described double-compressor formula refrigeration system is in adverse circumstances, starter gate valve door 13 is worked, so that the first compressor 11 is communicated with the second compressor 12, and make the first compressor 11 cut off and be communicated with pipeline 14, now, the first compressor 11 and the second compressor 12 operate simultaneously, refrigerant in described double-compressor formula refrigeration system flows to as A-C-D-A, adopt this kind of mode can make the cold medium flux of whole refrigeration system increase, and then improve the refrigerating capacity of described double-compressor formula refrigeration system. In the time that the service condition of described double-compressor formula refrigeration system is in home; starter gate valve door 13 is worked; so that the first compressor 11 is communicated with pipeline 14; and make the first compressor 11 cut off and be communicated with the second compressor 12; now; the first compressor 11 operates separately, and the refrigerant in described double-compressor formula refrigeration system flows to as A-B-D-A, adopts this kind of mode to meet refrigeration. The structure of above-mentioned employing valve mechanism 13, can move according to the different by-pass valve control structures 13 of service condition, and then control the refrigerating capacity of described double-compressor formula refrigeration system, in the time that the first compressor 11 and the second compressor 12 operate simultaneously, can improve significantly the refrigerating capacity of described double-compressor formula refrigeration system, and then meet user demand.
In the present embodiment, this compressor assembly 1 also comprises the sensing device (not shown) that detects described double-compressor formula refrigeration system pressure, electric current, delivery temperature, environment temperature and Inlet and outlet water temperature, and by-pass valve control structure 13 control device (not shown) of working. This control device can according to the data of sensing device induction with the service condition that judges described double-compressor formula refrigeration system whether in adverse circumstances, and then by-pass valve control structure 13 is worked. This sensing device and control device all can adopt structure common in prior art, do not repeat them here.
As shown in Figure 1, this condenser 2 is for release heat, and this throttling arrangement 3 is connected between condenser 2 and evaporimeter 4, and it is for controlling the flow of the refrigerant that enters evaporimeter 4, and this evaporimeter 4 is for absorbing heat. In the present embodiment, condenser 2, throttling arrangement 3 are structure common in prior art with evaporimeter 4, the refrigerating circuit syndeton of compressor assembly 1, condenser 2, throttling arrangement 3 and evaporimeter 4 is also syndeton common in prior art, does not repeat them here.
Use the double-compressor formula refrigeration system described in as above embodiment, adopt the structures such as the first compressor 11, the second compressor 12 and valve mechanism 13 due to described double-compressor formula refrigeration system, can move according to the different by-pass valve control structures 13 of service condition, so that the independent running of the first compressor 11 or the first compressor 11 and the second compressor 12 are operated simultaneously, in the time that the first compressor 11 and the second compressor 12 operate simultaneously, can increase the cold medium flux of whole refrigeration system, and then improve refrigerating capacity.
As shown in Figure 2, two of preferred embodiment of the present utility model provides a kind of double-compressor formula refrigeration system, and the double-compressor formula refrigeration system institute difference of one of itself and embodiment is the structure of valve mechanism 13. In the present embodiment, this valve mechanism 13 comprises the first magnetic valve 131 and the second magnetic valve 132. The first magnetic valve 131 is connected between the outlet of the first compressor 11 and the entrance of the second compressor 12, and the second magnetic valve 132 is connected between the outlet of the first compressor 11 and the entrance of pipeline 14. When opening the first magnetic valve 131 and closing the second magnetic valve 132, can realize the first compressor 11 and communicate with the second compressor 12, now two compressors operate simultaneously; When closing the first magnetic valve 131 and opening the second magnetic valve 132, can realize the first compressor 11 and communicate with pipeline 14, now the first compressor 11 operates separately. This first magnetic valve 131 and the second magnetic valve 132 are structure common in prior art, do not repeat them here.
As shown in Figure 3, three of preferred embodiment of the present utility model provides a kind of double-compressor formula refrigeration system, the double-compressor formula refrigeration system institute difference of one of itself and embodiment is, the double-compressor formula refrigeration system described in the present embodiment has increased the structure of cross valve 5. Compressor assembly 1, condenser 2, evaporimeter 4 are connected to form refrigerating circuit by this cross valve 5. Preferably, the pipeline that forms refrigerating circuit between compressor assembly 1, condenser 2, throttling arrangement 3, evaporimeter 4 and cross valve 5 is copper pipe, this copper pipe have quality hard, be difficult for the advantages such as burn into is high temperature resistant and high pressure resistant.
As shown in Figure 4, four of preferred embodiment of the present utility model provides a kind of double-compressor formula refrigeration system, three the double-compressor formula refrigeration system institute difference of itself and embodiment is, the double-compressor formula refrigeration system described in the present embodiment has increased the structure of gas-liquid separator 6, tube connector 7, valve module 8 and heat exchanger tube 9.
As shown in Figure 3, this gas-liquid separator 6 is for being separated from each other the refrigerant of gaseous state and liquid refrigerant, and preferably, gas-liquid separator 6 is separate type with compressor assembly 1. In other embodiment of the present utility model, gas-liquid separator 6 can also adopt integral structure, both globality better effects if with compressor assembly 1.
This tube connector 7 is connected between the outlet of condenser 2 and the entrance of gas-liquid separator 6, for making gaseous state or liquid refrigerant to enter gas-liquid separator 6 from condenser 2. Because the outlet of gas-liquid separator 6 is connected with the gas returning port of compressor assembly 1, make to enter the gas returning port that gaseous coolant in gas-liquid separator 6 can directly enter compressor assembly 1, and then the displacement of compressor assembly 1 is increased, finally reach the object of the delivery temperature that reduces compressor assembly 1. Preferably, tube connector 7 is copper pipe, its have equally quality hard, be difficult for the advantages such as burn into is high temperature resistant and high pressure resistant.
This valve module 8 is arranged on tube connector 7, enters the flow of gas-liquid separator 6 for controlling gaseous state or liquid refrigerant by tube connector 7. By the aperture of control valve assembly 8, can control the flow of gaseous state in the tube connector 7 of flowing through or liquid refrigerant. Preferably, valve module 8 is electric expansion valve, the temperature sensing device (not shown) of this electric expansion valve is placed on the outer surface of the blast pipe of compressor assembly 1, and this temperature sensing device can detect the temperature of exhaust outlet of compressor assembly 1 to control the aperture of electric expansion valve. This electric expansion valve adopts common structure in prior art, does not repeat them here. In other embodiment of the present utility model, valve module 8 can also adopt other valve arrangement, and only needing can be according to the delivery temperature of compressor assembly 1 to control aperture. In other embodiment of the present utility model, valve module 8 can also adopt other throttling arrangements, and such as heating power expansion valve or magnetic valve add capillary etc., it is structure common in prior art, does not repeat them here.
This heat exchanger tube 9 is connected between condenser 2 and throttling arrangement 3, and heat exchanger tube 9 is placed in gas-liquid separator 6. Adopt the structure of heat exchanger tube 9, when gaseous state or liquid refrigerant can be when condenser 2 enter gas-liquid separator 6, liquid refrigerant also can enter the gas returning port of compressor assembly 1 after being transformed into gaseous coolant by heat exchanger tube 9 heating, can further increase the displacement of compressor assembly 1, and then play the object of the delivery temperature that reduces compressor assembly 1. Preferably, gas-liquid separator 6 is integrated with heat exchanger tube 9, makes both globality better effects if. This embodiment compared with prior art, double-compressor formula refrigeration system described in the present embodiment does not need to adopt the compressor assembly 1 with gas supplementing opening, do not need to adopt the structures such as economizer yet, by adopting tube connector 7, valve module 8 and can reaching the object of the delivery temperature that reduces compressor assembly 1 with the structure of the gas-liquid separator 6 of heat exchanger tube 9, thereby its manufacture process is simpler, cost is lower.
As shown in Figure 5, five of preferred embodiment of the present utility model provides a kind of double-compressor formula refrigeration system, and four the double-compressor formula refrigeration system institute difference of itself and embodiment is the link position of tube connector 7. In the present embodiment, this tube connector 7 is connected between the outlet of heat exchanger tube 9 and the entrance of gas-liquid separator 6, for making gaseous state or liquid refrigerant to enter gas-liquid separator 6 from condenser 2 heat exchanger tube 9 of flowing through. Because the outlet of gas-liquid separator 6 is connected with the gas returning port of compressor assembly 1, can make equally to enter the gas returning port that gaseous coolant in gas-liquid separator 6 can directly enter compressor assembly 1, and then the displacement of compressor assembly 1 is increased, finally reach the object of the delivery temperature that reduces compressor assembly 1.
By reference to the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is only schematic; instead of restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; do not departing from the scope situation that the utility model aim and claim protect, within these all belong to protection of the present utility model.
Claims (10)
1. a double-compressor formula refrigeration system, is characterized in that: comprise and be in turn connected to form refrigerating circuitCompressor assembly (1), condenser (2), throttling arrangement (3) and evaporimeter (4); Described compressionThermomechanical components (1) comprises the first compressor (11) and the second compressor (12), valve mechanism that are connected in series, and be connected between described valve mechanism (13) and the outlet of described the second compressor (12) (13)Pipeline (14); Described valve mechanism (13) for connect described the first compressor (11) outlet,The entrance of the entrance of described the second compressor (12) and described pipeline (14); By controlling described valve knotStructure (13) can make described the first compressor (11) operate separately or described the first compressor (11) withDescribed the second compressor (12) operates simultaneously.
2. double-compressor formula refrigeration system according to claim 1, is characterized in that: described valveStructure (13) is triple valve.
3. double-compressor formula refrigeration system according to claim 1, is characterized in that: described valveStructure (13) comprises the outlet and described the second compressor (12) that are connected to described the first compressor (11)Entrance between the first magnetic valve (131), and the outlet that is connected to described the first compressor (11) withThe second magnetic valve (132) between the entrance of described pipeline (14).
4. double-compressor formula refrigeration system according to claim 1, is characterized in that: described compressionThermomechanical components (1), described condenser (2) and described evaporimeter (4) connect shape by cross valve (5)Become refrigerating circuit.
5. double-compressor formula refrigeration system according to claim 1, is characterized in that: described two pressureContracting machine formula refrigeration system also comprises gas-liquid separator (6), is connected to outlet and the institute of described condenser (2)State the tube connector (7) of the entrance of gas-liquid separator (6), and be arranged on the valve on described tube connector (7)Assembly (8).
6. double-compressor formula refrigeration system according to claim 5, is characterized in that: described two pressureContracting machine formula refrigeration system also comprises and is connected to changing between described condenser (2) and described throttling arrangement (3)Heat pipe (9); Described heat exchanger tube (9) is placed in described gas-liquid separator (6).
7. double-compressor formula refrigeration system according to claim 6, is characterized in that: described gas-liquidSeparator (6) is integrated with described heat exchanger tube (9).
8. double-compressor formula refrigeration system according to claim 5, is characterized in that: described valve groupPart (8) is electric expansion valve; The temperature sensing device of described electric expansion valve is placed on described compressor bankThe outer surface of the blast pipe of part (1).
9. double-compressor formula refrigeration system according to claim 5, is characterized in that: described gas-liquidSeparator (6) is separate type with described compressor assembly (1).
10. double-compressor formula refrigeration system according to claim 1, is characterized in that: described two pressureContracting machine formula refrigeration system also comprises gas-liquid separator (6), is connected to described condenser (2) and described throttlingBetween device (3) and be placed in the heat exchanger tube (9) in described gas-liquid separator (6) and be connected to described inThe tube connector (7) of the entrance of the outlet of heat exchanger tube (9) and described gas-liquid separator (6), and be arranged onValve module (8) on described tube connector (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521083791.5U CN205245597U (en) | 2015-12-21 | 2015-12-21 | Two compressor formula refrigerating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521083791.5U CN205245597U (en) | 2015-12-21 | 2015-12-21 | Two compressor formula refrigerating system |
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| CN205245597U true CN205245597U (en) | 2016-05-18 |
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| CN201521083791.5U Active CN205245597U (en) | 2015-12-21 | 2015-12-21 | Two compressor formula refrigerating system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388762A (en) * | 2018-04-19 | 2019-10-29 | 艾默生环境优化技术有限公司 | The method of atmosphere control system and control inlet valve |
| CN111023610A (en) * | 2018-10-10 | 2020-04-17 | 南通华信中央空调有限公司 | Heat pump system and method for operating the same |
-
2015
- 2015-12-21 CN CN201521083791.5U patent/CN205245597U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388762A (en) * | 2018-04-19 | 2019-10-29 | 艾默生环境优化技术有限公司 | The method of atmosphere control system and control inlet valve |
| US11421681B2 (en) | 2018-04-19 | 2022-08-23 | Emerson Climate Technologies, Inc. | Multiple-compressor system with suction valve and method of controlling suction valve |
| CN111023610A (en) * | 2018-10-10 | 2020-04-17 | 南通华信中央空调有限公司 | Heat pump system and method for operating the same |
| CN111023610B (en) * | 2018-10-10 | 2021-11-05 | 南通华信中央空调有限公司 | Heat pump system and method for operating the same |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 511300 Guangzhou, Zengcheng, Guangdong province Xintang Town, 29 front road, 36 fairs, 101 rooms. Patentee after: Su Yiqiang Address before: 524348 Xintian Village Team of Guangqian Company, Yuezhen, Suixi County, Zhanjiang City, Guangdong Province Patentee before: Su Yiqiang |
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| CP02 | Change in the address of a patent holder |