CN202792727U - Super-cooler circulation loop, refrigeration loop and refrigeration plant - Google Patents

Super-cooler circulation loop, refrigeration loop and refrigeration plant Download PDF

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Publication number
CN202792727U
CN202792727U CN 201220435525 CN201220435525U CN202792727U CN 202792727 U CN202792727 U CN 202792727U CN 201220435525 CN201220435525 CN 201220435525 CN 201220435525 U CN201220435525 U CN 201220435525U CN 202792727 U CN202792727 U CN 202792727U
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CN
China
Prior art keywords
subcooler
gas
discharge pipe
liquid separator
super
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN 201220435525
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Chinese (zh)
Inventor
季秀成
顾中华
王军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
York Guangzhou Air Conditioning and Refrigeration Co Ltd
Hitachi Johnson Controls Air Conditioning Inc
Original Assignee
York Guangzhou Air Conditioning and Refrigeration Co Ltd
Johnson Controls Technology Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by York Guangzhou Air Conditioning and Refrigeration Co Ltd, Johnson Controls Technology Co filed Critical York Guangzhou Air Conditioning and Refrigeration Co Ltd
Priority to CN 201220435525 priority Critical patent/CN202792727U/en
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Publication of CN202792727U publication Critical patent/CN202792727U/en
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Abstract

The utility model discloses a super-cooler circulation loop, a refrigeration loop and a refrigeration plant. The super-cooler circulation loop comprises a super-cooler and a gas-liquid separator, wherein the low pressure side of the super-cooler is connected with a super-cooler discharge pipe; and the super-cooler discharge pipe directly extends to the upper part of the gas-liquid separator. According to the super-cooler circulation loop provided by the utility model, the super-cooler discharge pipe directly extends to the gas-liquid separator, and so pressure drop of the super-cooler discharge pipe is reduced for improving the performance of the super-cooler and the performance of the refrigeration plant device.

Description

Subcooler closed circuit, refrigerating circuit and refrigeration plant
Technical field
The utility model relates to technical field of refrigeration equipment, relates in particular to a kind of subcooler closed circuit, refrigerating circuit and refrigeration plant.
Background technology
Present existing subcooler closed circuit as shown in Figure 1, the refrigerant gas of subcooler 1 low-pressure side flows to gas-liquid separator 3 by subcooler discharge pipe 2, the refrigerant gas that evaporimeter 4 evaporates flows to gas-liquid separator 3 by evaporimeter discharge pipe 5.Usually subcooler discharge pipe 2 is inserted in the evaporimeter discharge pipe 5, enter gas-liquid separator inlet tube 6 after the two confluxes and together flow into gas-liquid separator 3.
With reference to drawdown analysis figure shown in Figure 2, in mark shown in Figure 2, Q1 represents the mass flow in the subcooler discharge pipe 2; Q2 represents the mass flow in the evaporimeter discharge pipe 5; Q represents the mass flow of gas-liquid separator inlet tube 6; △ P1 represents Q losing along stroke pressure at gas-liquid separator inlet tube 6; △ P2 represents Q2 losing along stroke pressure at evaporimeter discharge pipe 5; △ Pa represents that Q1 and Q2 are in the local pressure loss of gas-liquid separator inlet tube 6.Because subcooler discharge pipe 2 inserts in the evaporimeter discharge pipe 5, will cause Q1 and Q2 to be increased at the local pressure loss △ of gas-liquid separator inlet tube 6 Pa, thereby increased the pressure drop of whole pipeline, and then cause that the decline of suction pressure of compressor, compressor compare degradation adverse consequences under increase and the volumetric efficiency, also can cause the minimizing of refrigerant mass fluxes simultaneously.So, use the refrigeration plant of this existing subcooler closed circuit usually all to have the shortcoming that refrigerating capacity is low, power consumption is large and Energy Efficiency Ratio is low.
Therefore, need a kind of subcooler closed circuit, refrigerating circuit and refrigeration plant, to solve problems of the prior art.
The utility model content
In order to overcome above-mentioned the deficiencies in the prior art, the utility model provides a kind of subcooler closed circuit, comprising: subcooler, and the low-pressure side of described subcooler is connected with the subcooler discharge pipe; Gas-liquid separator, described subcooler discharge pipe directly stretches into the top of described gas-liquid separator.
Preferably, to stretch into the length of described gas-liquid separator be 5mm to 10mm to described subcooler discharge pipe.
Preferably, this subcooler closed circuit also comprises the cold flow controller of the mistake that is arranged on described subcooler discharge pipe.
The utility model also provides a kind of refrigerating circuit, comprise condenser, evaporimeter, throttling arrangement and compressor, also comprise above-mentioned subcooler closed circuit, wherein, described evaporimeter is connected with described gas-liquid separator, carry the refrigerant gas that evaporates to described gas-liquid separator, described gas-liquid separator is connected with described compressor, carries the refrigerant gas of process gas-liquid separation to described compressor.
The utility model provides again a kind of refrigeration plant, and this refrigeration plant has above-mentioned refrigerating circuit.
Preferably, this refrigeration plant is air-conditioning.
According to subcooler closed circuit of the present utility model, because the subcooler discharge pipe directly stretches into gas-liquid separator, reduced the pressure drop of subcooler discharge pipe, thereby improved the performance of subcooler and the performance of refrigeration plant.
Introduced the concept of a series of reduced forms in the utility model content part, this will further describe in specific embodiment part.The utility model content part does not also mean that key feature and the essential features that will attempt to limit technical scheme required for protection, does not more mean that the protection domain of attempting to determine technical scheme required for protection.
Below in conjunction with accompanying drawing, describe advantage of the present utility model and feature in detail.
Description of drawings
Following accompanying drawing of the present utility model is used for understanding the utility model at this as a part of the present utility model.Shown in the drawings of embodiment of the present utility model and description thereof, be used for explaining principle of the present utility model.In the accompanying drawings,
Fig. 1 is the composition structural representation of existing subcooler closed circuit;
Fig. 2 is the drawdown analysis figure of existing subcooler closed circuit;
Fig. 3 is the composition structural representation according to the subcooler closed circuit of a kind of embodiment of the present utility model;
Fig. 4 is the drawdown analysis figure of subcooler closed circuit of the present utility model.
The specific embodiment
In the following description, having provided a large amount of concrete details understands the utility model more thoroughly in order to provide.Yet, it will be apparent to one skilled in the art that the utility model can need not one or more these details and implemented.In other example, for fear of obscuring with the utility model, be not described for technical characterictics more well known in the art.
In order thoroughly to understand the utility model, detailed structure will be proposed in following description.Obviously, execution of the present utility model is not limited to specific details appreciated by those skilled in the art.Preferred embodiment of the present utility model is described in detail as follows, yet except these were described in detail, the utility model can also have other embodiments.
The utility model discloses a kind of subcooler closed circuit, as shown in Figure 3, this subcooler closed circuit comprises subcooler 10 and gas separator 50, low-pressure side at subcooler 10 is connected with subcooler discharge pipe 30, this subcooler discharge pipe 30 directly stretches into the top of gas-liquid separator 50, and the refrigerant gas of discharging from subcooler 10 is able to through subcooler discharge pipe 30 inflow gas separators 50.
According to of the present utility model preferred embodiment a kind of, can enter cmpletely in the gas-liquid separator 50 in order to guarantee the refrigerant gas in the subcooler discharge pipe 30, can adjust the length that subcooler discharge pipe 30 stretches into gas-liquid separator 50.In the present embodiment, subcooler discharge pipe 30 length that stretches into gas-liquid separator 50 can be arranged in the scope of 5mm to 10mm.
According to another preferred embodiment of the present utility model, can cold flow controller 70 be installed at subcooler discharge pipe 30, flow to the mass flow of the refrigerant gas of gas-liquid separator 50 to regulate subcooler discharge pipe 30.
With reference to figure 4, use the disclosed subcooler closed circuit of the utility model, because subcooler discharge pipe 30 directly stretches into gas-liquid separator 50, reduced the pressure drop of subcooler discharge pipe 30, and then improved the performance of subcooler 10.
The utility model also discloses a kind of refrigerating circuit, as shown in Figure 3, comprise condenser 60, evaporimeter 90, compressor 20, throttling arrangement and above-mentioned subcooler closed circuit, wherein, evaporimeter 90 is connected by evaporimeter discharge pipe 40 with the gas-liquid separator 50 of subcooler closed circuit, carries the refrigerant gas that evaporates to gas-liquid separator 50 from evaporimeter 90; Gas-liquid separator 50 is connected with compressor 20, will be delivered to through the refrigerant gas of gas-liquid separation compressor 20, so that compressor 20 carries out the work of next cycle.
The advantage of the disclosed refrigerating circuit of the utility model is described below with reference to Fig. 4.In Fig. 4, Q2 represents the mass flow in the evaporimeter discharge pipe 40; △ P2 represents Q2 losing along stroke pressure at evaporimeter discharge pipe 40.Because having above-mentioned subcooler closed circuit, make evaporimeter discharge pipe 40 be able to separate with subcooler discharge pipe 30 and stretch in the gas-liquid separator 50, reduced Q2 evaporimeter discharge pipe 40 along stroke pressure loss △ P2, thereby improved the refrigeration performance of indoor units.
The utility model provides again a kind of refrigeration plant, and this refrigeration plant comprises above-mentioned refrigerating circuit.Because above-mentioned refrigerating circuit is improved at refrigeration performance, the refrigeration plant with this refrigerating circuit also be increased refrigerating capacity, reduced power consumption and improved Energy Efficiency Ratio.
Preferably, this refrigeration plant can be the household electrical appliance such as air-conditioning commonly used in people's daily life, refrigerator.
The utility model is illustrated by above-described embodiment, but should be understood that, above-described embodiment just is used for for example and the purpose of explanation, but not is intended to the utility model is limited in the described scope of embodiments.It will be understood by those skilled in the art that in addition; the utility model is not limited to above-described embodiment; can also make more kinds of variants and modifications according to instruction of the present utility model, these variants and modifications all drop in the utility model scope required for protection.Protection domain of the present utility model is defined by the appended claims and equivalent scope thereof.

Claims (6)

1. a subcooler closed circuit is characterized in that, comprising:
Subcooler (10), the low-pressure side of described subcooler (10) is connected with subcooler discharge pipe (30);
Gas-liquid separator (50), described subcooler discharge pipe (30) directly stretches into the top of described gas-liquid separator (50).
2. according to subcooler closed circuit claimed in claim 1, it is characterized in that the length that described subcooler discharge pipe (30) stretches into described gas-liquid separator (50) is 5mm to 10mm.
3. according to subcooler closed circuit claimed in claim 1, it is characterized in that, also comprise the cold flow controller of mistake (70) that is arranged on described subcooler discharge pipe (30).
4. refrigerating circuit, comprise condenser (60), evaporimeter (90), throttling arrangement and compressor (20), it is characterized in that, also comprise each described subcooler closed circuit in the claims 1 to 3, wherein, described evaporimeter (90) is connected with described gas-liquid separator (50), carry the refrigerant gas that evaporates to described gas-liquid separator (50), described gas-liquid separator (50) is connected with described compressor (20), carries the refrigerant gas of process gas-liquid separation to described compressor (20).
5. a refrigeration plant is characterized in that, has refrigerating circuit claimed in claim 4.
6. according to refrigeration plant claimed in claim 5, it is characterized in that described refrigeration plant is air-conditioning.
CN 201220435525 2012-08-29 2012-08-29 Super-cooler circulation loop, refrigeration loop and refrigeration plant Expired - Lifetime CN202792727U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220435525 CN202792727U (en) 2012-08-29 2012-08-29 Super-cooler circulation loop, refrigeration loop and refrigeration plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220435525 CN202792727U (en) 2012-08-29 2012-08-29 Super-cooler circulation loop, refrigeration loop and refrigeration plant

Publications (1)

Publication Number Publication Date
CN202792727U true CN202792727U (en) 2013-03-13

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103344066A (en) * 2013-07-15 2013-10-09 江苏七政新能源有限公司 Bent tube type cooler
CN103912928A (en) * 2014-03-28 2014-07-09 珠海格力电器股份有限公司 Temperature control system
CN103912929A (en) * 2014-03-28 2014-07-09 珠海格力电器股份有限公司 Temperature control system
CN103912930A (en) * 2014-03-28 2014-07-09 珠海格力电器股份有限公司 Temperature control system
CN104266416A (en) * 2014-09-29 2015-01-07 特灵空调系统(中国)有限公司 Multi-split air conditioner throttling and super-cooling control mechanism
CN105318606A (en) * 2014-07-29 2016-02-10 青岛海信日立空调系统有限公司 Indoor unit and outdoor unit of air conditioner as well as air conditioner
CN106225273A (en) * 2016-07-29 2016-12-14 青岛海尔特种电冰柜有限公司 Cooling cycle system and refrigeration plant

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103344066A (en) * 2013-07-15 2013-10-09 江苏七政新能源有限公司 Bent tube type cooler
CN103912928A (en) * 2014-03-28 2014-07-09 珠海格力电器股份有限公司 Temperature control system
CN103912929A (en) * 2014-03-28 2014-07-09 珠海格力电器股份有限公司 Temperature control system
CN103912930A (en) * 2014-03-28 2014-07-09 珠海格力电器股份有限公司 Temperature control system
CN105318606A (en) * 2014-07-29 2016-02-10 青岛海信日立空调系统有限公司 Indoor unit and outdoor unit of air conditioner as well as air conditioner
CN104266416A (en) * 2014-09-29 2015-01-07 特灵空调系统(中国)有限公司 Multi-split air conditioner throttling and super-cooling control mechanism
CN106225273A (en) * 2016-07-29 2016-12-14 青岛海尔特种电冰柜有限公司 Cooling cycle system and refrigeration plant

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: Tokyo, Japan

Patentee after: HITACHI-JOHNSON CONTROLS AIR CONDITIONING, Inc.

Address before: Tokyo, Japan

Patentee before: Hitachi Johnson Automatic Air Conditioning Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20181219

Address after: Longtian Town, Fogang County, Qingyuan, Guangdong

Patentee after: YORK GUANGZHOU AIR CONDITIONING AND REFRIGERATION Co.,Ltd.

Address before: 511685 Xuetian Management Zone, Longshan Town, Fogang County, Qingyuan City, Guangdong Province

Co-patentee before: JOHNSON CONTROLS TECHNOLOGY Co.

Patentee before: YORK GUANGZHOU AIR CONDITIONING AND REFRIGERATION Co.,Ltd.

Effective date of registration: 20181219

Address after: Tokyo, Japan

Patentee after: Hitachi Johnson Automatic Air Conditioning Co.,Ltd.

Address before: 511685 Xuetian Management Zone, Longshan Town, Fogang County, Qingyuan City, Guangdong Province

Patentee before: YORK GUANGZHOU AIR CONDITIONING AND REFRIGERATION Co.,Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20130313