CN211041470U - Refrigerating system - Google Patents
Refrigerating system Download PDFInfo
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- CN211041470U CN211041470U CN201922079399.8U CN201922079399U CN211041470U CN 211041470 U CN211041470 U CN 211041470U CN 201922079399 U CN201922079399 U CN 201922079399U CN 211041470 U CN211041470 U CN 211041470U
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Abstract
The utility model discloses a refrigerating system, include: the system comprises a compressor, a condenser, a water-fluorine heat exchanger, an air-fluorine heat exchanger and a four-way valve; the compressor is connected with a D port of the four-way valve, the input end of the condenser is connected with a C port or an E port of the four-way valve, the output end of the condenser is connected with the water-fluorine heat exchanger and the air-fluorine heat exchanger in parallel, and an S port of the four-way valve is connected with the compressor; the output end of the water-fluorine heat exchanger is connected to the four-way valve through a first electromagnetic valve and a second electromagnetic valve which are connected in parallel; and a third electromagnetic valve and a fourth electromagnetic valve which are connected in parallel are connected between the condenser and the port E or the port C of the four-way valve. The utility model discloses in through selectively opening water-fluorine heat exchanger and/or air-fluorine heat exchanger under the weather of difference to guarantee indoor temperature and humidity comfortable all the time, satisfy user's comfort level requirement.
Description
Technical Field
The utility model relates to a refrigeration technology field, more specifically say, relate to a refrigerating system.
Background
At present, refrigeration equipment is generally divided into air-cooled cold and hot air refrigeration equipment and air-cooled cold and hot water refrigeration equipment, wherein the air-cooled cold and hot air refrigeration equipment exchanges heat with a refrigerant through air, and the air-cooled cold and hot water refrigeration equipment exchanges heat with the refrigerant through water.
The dehumidification ability of air-cooled cold and hot air refrigeration equipment is stronger, and when the refrigeration in summer, the air in the room can become dry, and the human body feels uncomfortable.
Air-cooled hot and cold water refrigeration plant can refrigerate according to higher temperature (for example 18 ℃), and refrigeration end equipment at this moment can adopt the ground cold pipe that large tracts of land coil pipe laid on ground usually, or the wall cold pipe that large tracts of land coil pipe laid on the wall, or the smallpox cold pipe that large tracts of land laid on the smallpox, because air-cooled hot and cold water refrigeration plant dehumidification ability is relatively weak, under the normal conditions, the air in room can not become dry, and the human body feels comfortable. However, in humid weather, the surface of the above refrigeration terminal equipment (the ground cooling pipe, the ceiling cooling pipe and the wall cooling pipe) can be condensed to generate water, so that the living environment is badly influenced; in addition, the human body may feel stuffy in a humid weather because of its weak dehumidifying ability.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a refrigerating system aims at when summer refrigeration and winter heat, can guarantee comfortable temperature and humidity.
The utility model provides a pair of refrigerating system, include:
the system comprises a compressor, a condenser, a water-fluorine heat exchanger, an air-fluorine heat exchanger and a four-way valve;
the compressor is connected with a D port of the four-way valve, the input end of the condenser is connected with a C port or an E port of the four-way valve, the output end of the condenser is connected with the water-fluorine heat exchanger and the air-fluorine heat exchanger in parallel, the output end of the water-fluorine heat exchanger and the output end of the air-fluorine heat exchanger are both connected to the E port or the C port of the four-way valve, and an S port of the four-way valve is connected with the compressor;
the output end of the water-fluorine heat exchanger is connected to an E port or a C port of the four-way valve through a first electromagnetic valve and a second electromagnetic valve which are connected in parallel, the first electromagnetic valve is also connected with a first one-way valve in series, the second electromagnetic valve is also connected with a second one-way valve in series, and the directions of the first one-way valve and the second one-way valve are opposite;
and a third electromagnetic valve and a fourth electromagnetic valve which are connected in parallel are further connected between the condenser and the port E or the port C of the four-way valve, and the third electromagnetic valve and the fourth electromagnetic valve are connected in parallel at the input end or the output end of the air-fluorine heat exchanger.
Optionally, the third solenoid valve is further connected in series with a third check valve, the fourth solenoid valve is further connected in series with a fourth check valve, and the direction of the third check valve is opposite to that of the fourth check valve.
Optionally, a first throttle valve is further connected between the water-fluorine heat exchanger and the condenser, and a second throttle valve is further connected between the air-fluorine heat exchanger and the condenser.
Optionally, a gas-liquid separator is further connected between the S port of the four-way valve and the compressor.
Optionally, the condenser comprises a finned coil condenser.
Optionally, the air-fluorine heat exchanger comprises a coil evaporator.
According to the technical scheme provided by the utility model, the utility model discloses following beneficial effect has:
the utility model discloses in between condenser and cross valve parallel connection water-fluorine heat exchanger and air-fluorine heat exchanger, can selectively open water-fluorine heat exchanger and/or air-fluorine heat exchanger under the weather of difference to guarantee that indoor is in comfortable temperature and humidity all the time, satisfy user's comfort level requirement.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic structural diagram of a refrigeration system according to an embodiment of the present invention;
fig. 2 is another schematic structural diagram of a refrigeration system according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a refrigeration system according to an embodiment of the present invention;
fig. 4 is a schematic view of another structure of a refrigeration system according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a refrigeration system with a gas-liquid separator according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. It should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.
As shown in fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a refrigeration system according to an embodiment of the present invention; fig. 2 is another schematic structural diagram of a refrigeration system according to an embodiment of the present invention.
The embodiment of the utility model provides a refrigerating system, include: the system comprises a compressor 1, a condenser 2, a water-fluorine heat exchanger 3, an air-fluorine heat exchanger 4 and a four-way valve 5; the compressor 1 is connected with a port D of the four-way valve 5, the input end of the condenser 2 is connected with a port C or a port E of the four-way valve 5, the output end of the condenser 2 is connected with the water-fluorine heat exchanger 3 and the air-fluorine heat exchanger 4 in parallel, the output end of the water-fluorine heat exchanger 3 and the output end of the air-fluorine heat exchanger 4 are both connected to the port E or the port C of the four-way valve 5, and a port S of the four-way valve 5 is connected with the compressor 1; it should be noted that, in an exemplary scheme provided in the embodiment of the present invention, the air-fluorine heat exchanger 4 may be pre-installed in the refrigeration system before leaving factory, or may be installed in the refrigeration system after leaving factory after the air-fluorine heat exchanger 4 is purchased by the user. Wherein, the output end of the water-fluorine heat exchanger 3 is connected to the port E or the port C of the four-way valve 5 through a first electromagnetic valve 31 and a second electromagnetic valve 32 which are connected in parallel, the first electromagnetic valve 31 is further connected in series with a first one-way valve 33, the second electromagnetic valve 32 is further connected in series with a second one-way valve 34, and the directions of the first one-way valve 33 and the second one-way valve 34 are opposite; a third electromagnetic valve 41 and a fourth electromagnetic valve 42 which are connected in parallel are further connected between the condenser 2 and the port E or the port C of the four-way valve 5, the third electromagnetic valve 41 and the fourth electromagnetic valve 42 are connected in parallel at the input end or the output end of the air-fluorine heat exchanger 4, as shown in fig. 1, the third electromagnetic valve 41 and the fourth electromagnetic valve 42 are connected in parallel at the input end of the air-fluorine heat exchanger 4; as shown in fig. 2, the third solenoid valve 41 and the fourth solenoid valve 42 are connected in parallel at the output of the air-fluorine heat exchanger 4. Wherein the condenser 2 may include, but is not limited to, an air-cooled finned coil condenser 2; the air-fluorine heat exchanger 4 includes, but is not limited to, a coil evaporator, and is not particularly limited thereto. Wherein, the D port of the four-way valve 5 is an inlet, and the C port, the E port and the S port are respectively a first outlet, a second outlet and a third outlet.
In the embodiment, the water-fluorine heat exchanger 3 and the air-fluorine heat exchanger 4 which are arranged in parallel can be operated alternately or simultaneously through the arrangement of the electromagnetic valve, so that refrigeration or heating under different climatic conditions can be realized.
Specifically, in normal summer weather, only cooling is generally required and dehumidification is not required, at this time, the first solenoid valve 31 is opened, and the second solenoid valve 32, the third solenoid valve 41 and the fourth solenoid valve 42 are closed, the refrigeration circuit 1 is conducted, that is, the water-fluorine heat exchanger 3 is operated and refrigerated, and the air-fluorine heat exchanger 4 is not operated; the compressor 1 compresses the refrigerant, and then conveys the refrigerant to the condenser 2, and the refrigerant enters the water-fluorine heat exchanger 3 to exchange heat with water after being condensed in the condenser 2, thereby realizing refrigeration.
In humid summer weather, dehumidification is usually required while cooling is required, at the moment, the first electromagnetic valve 31 and the third electromagnetic valve 41 are opened, the second electromagnetic valve 32 and the fourth electromagnetic valve 42 are closed, the refrigeration loop 1 and the refrigeration loop 2 are conducted simultaneously, namely, the water-fluorine heat exchanger 3 operates and refrigerates, and the air-fluorine heat exchanger 4 also operates and refrigerates; the compressor 1 compresses a refrigerant, and then the refrigerant is conveyed into the condenser 2, the refrigerant is condensed in the condenser 2 and then respectively enters the water-fluorine heat exchanger 3 and the air-fluorine heat exchanger 4, the heat exchange is carried out between the refrigerant and water in the water-fluorine heat exchanger 3, the heat exchange is carried out between the refrigerant and the air in the air-fluorine heat exchanger 4, the moisture in the air is exposed when meeting the condensation and is discharged outdoors, and finally, the dehumidification is realized while the refrigeration is carried out.
In humid weather, where dehumidification is only required and cooling is not required, the third solenoid valve 41 is opened and the first, second and fourth solenoid valves 31, 32, 42 are closed, the refrigeration circuit 2 is switched on, i.e. the air-fluorine heat exchanger 4 is active and refrigerated, while the water-fluorine heat exchanger 3 is inactive. The compressor 1 compresses the refrigerant, and then the refrigerant is conveyed into the condenser 2, the refrigerant is condensed in the condenser 2 and then enters the air-fluorine heat exchanger 4, and the condensed refrigerant exchanges heat with the air in the air-fluorine heat exchanger 4, so that the moisture in the air is condensed and exposed and discharged outdoors, and finally dehumidification is realized.
When heating is needed in winter, the second electromagnetic valve 32 is opened, the first electromagnetic valve 31, the third electromagnetic valve 41 and the fourth electromagnetic valve 42 are closed, the heating loop 1 is conducted (namely, the refrigeration loop 1 runs reversely), and refrigerant flows from the compressor 1 to the water-fluorine heat exchanger 3, then to the condenser 2 and finally returns to the compressor 1, so that the heating cycle is realized.
When the rapid heating is needed, the second electromagnetic valve 32 and the fourth electromagnetic valve 42 are opened at the same time, the first electromagnetic valve 31 and the third electromagnetic valve 41 are closed, the heating loop 1 and the heating loop 2 are conducted (namely, the refrigeration loop 1 and the refrigeration loop 2 run in reverse directions), and the refrigerant flows from the compressor 1 to the water-fluorine heat exchanger 3 and the air-fluorine heat exchanger 4, then to the condenser 2, and finally returns to the compressor 1, so that the rapid heating cycle is realized.
Further, referring to fig. 3 and fig. 4, fig. 3 is another schematic structural diagram of a refrigeration system according to an embodiment of the present invention; fig. 4 is a schematic structural diagram of a refrigeration system according to an embodiment of the present invention. In order to avoid unnecessary streaming of refrigerant and to ensure normal operation of the air-fluorine heat exchanger 4 as much as possible, the third solenoid valve 41 is further connected in series with a third check valve 43, the fourth solenoid valve 42 is further connected in series with a fourth check valve 44, and the third check valve 43 is opposite to the fourth check valve 44.
Further, a first throttle valve 35 is connected between the water-fluorine heat exchanger 3 and the condenser 2, and a second throttle valve 45 is connected between the air-fluorine heat exchanger 4 and the condenser 2. The first throttle valve 35 and the second throttle valve 45 are mainly used for throttling the saturated liquid or the supercooled liquid under the condensing pressure in the condenser 2 and then reducing the liquid to the evaporating pressure and the evaporating temperature so as to ensure the refrigeration cycle; meanwhile, the flow of the refrigerant entering the evaporator can be adjusted according to the change of the load.
Further, referring to fig. 5, fig. 5 is a schematic structural diagram of a refrigeration system with a gas-liquid separator according to an embodiment of the present invention; the difference from the previous embodiment is that the compressor 1 in the previous embodiment is provided with a gas-liquid separator, which is integrated with the gas-liquid separator; in the embodiment, a gas-liquid separator 6 is further connected between the S port of the four-way valve 5 and the compressor 1, and the compressor 1 and the gas-liquid separator 6 are separated independently. The gas-liquid separator 6 can prevent the low-pressure low-temperature steam returned from the four-way valve 5 to the compressor 1 from carrying excessive liquid droplets, i.e., prevent the liquid refrigerant from entering the cylinder of the compressor 1 to cause liquid impact on the compressor 1.
While the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims (6)
1. A refrigeration system, comprising:
the system comprises a compressor, a condenser, a water-fluorine heat exchanger, an air-fluorine heat exchanger and a four-way valve;
the compressor is connected with a D port of the four-way valve, the input end of the condenser is connected with a C port or an E port of the four-way valve, the output end of the condenser is connected with the water-fluorine heat exchanger and the air-fluorine heat exchanger in parallel, the output end of the water-fluorine heat exchanger and the output end of the air-fluorine heat exchanger are both connected to the E port or the C port of the four-way valve, and an S port of the four-way valve is connected with the compressor;
the output end of the water-fluorine heat exchanger is connected to an E port or a C port of the four-way valve through a first electromagnetic valve and a second electromagnetic valve which are connected in parallel, the first electromagnetic valve is also connected with a first one-way valve in series, the second electromagnetic valve is also connected with a second one-way valve in series, and the directions of the first one-way valve and the second one-way valve are opposite;
and a third electromagnetic valve and a fourth electromagnetic valve which are connected in parallel are further connected between the condenser and the port E or the port C of the four-way valve, and the third electromagnetic valve and the fourth electromagnetic valve are connected in parallel at the input end or the output end of the air-fluorine heat exchanger.
2. The refrigerant system as set forth in claim 1, wherein said third solenoid valve is further connected in series with a third check valve, and said fourth solenoid valve is further connected in series with a fourth check valve, said third check valve being in an opposite direction from said fourth check valve.
3. The refrigeration system of claim 1, wherein a first throttling valve is further connected between the water-fluorine heat exchanger and the condenser, and a second throttling valve is further connected between the air-fluorine heat exchanger and the condenser.
4. A refrigerating system as recited in any one of claims 1 to 3 wherein a gas-liquid separator is further connected between the S port of said four-way valve and said compressor.
5. The refrigerant system as set forth in claim 1, wherein said condenser comprises a finned coil condenser.
6. The refrigerant system as set forth in claim 1, wherein said air-fluorine heat exchanger includes a coil evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922079399.8U CN211041470U (en) | 2019-11-27 | 2019-11-27 | Refrigerating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922079399.8U CN211041470U (en) | 2019-11-27 | 2019-11-27 | Refrigerating system |
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| Publication Number | Publication Date |
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| CN211041470U true CN211041470U (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922079399.8U Active CN211041470U (en) | 2019-11-27 | 2019-11-27 | Refrigerating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117117387A (en) * | 2023-10-19 | 2023-11-24 | 深圳市首航新能源股份有限公司 | Energy storage thermal management system |
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2019
- 2019-11-27 CN CN201922079399.8U patent/CN211041470U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117117387A (en) * | 2023-10-19 | 2023-11-24 | 深圳市首航新能源股份有限公司 | Energy storage thermal management system |
| CN117117387B (en) * | 2023-10-19 | 2024-02-06 | 深圳市首航新能源股份有限公司 | Energy storage thermal management system |
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Effective date of registration: 20230320 Address after: Hou He Zhen Da Xin Zhuang Cun, Weihui City, Xinxiang City, Henan Province, 453000 Patentee after: Henan lianghao storage equipment Technology Co.,Ltd. Address before: No. 164, Team 5, Nanhe Village, Suicheng Town, Suixi County, Zhanjiang City, Guangdong Province, 524399 Patentee before: Zhou Quanmei |