CN110242577B - Compressor and air conditioner - Google Patents

Compressor and air conditioner Download PDF

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Publication number
CN110242577B
CN110242577B CN201910372620.0A CN201910372620A CN110242577B CN 110242577 B CN110242577 B CN 110242577B CN 201910372620 A CN201910372620 A CN 201910372620A CN 110242577 B CN110242577 B CN 110242577B
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China
Prior art keywords
air
air supply
supply port
cylinder
port
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Active
Application number
CN201910372620.0A
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Chinese (zh)
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CN110242577A (en
Inventor
李健
霍喜军
李永贵
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.)
Gree Electric Appliances Inc of Zhuhai
Zhuhai Landa Compressor Co Ltd
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Zhuhai Landa Compressor Co Ltd
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Priority to CN201910372620.0A priority Critical patent/CN110242577B/en
Publication of CN110242577A publication Critical patent/CN110242577A/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/001—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F04C29/124—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps
    • F04C29/126—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps of the non-return type
    • F04C29/128—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps of the non-return type of the elastic type, e.g. reed valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/08—Compressors specially adapted for separate outdoor units

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

The invention discloses a compressor and an air conditioner, wherein the compressor comprises a flange, a flange air supply port is arranged on the flange, the compressor further comprises a first air cylinder and a second air cylinder, the first air cylinder is provided with a first air supply port used for supplying air to the first air cylinder, the second air cylinder is provided with a second air supply port used for supplying air to the second air cylinder, and check devices are arranged on the first air supply port and the second air supply port.

Description

Compressor and air conditioner
Technical Field
The invention relates to the field of household appliances, in particular to a compressor and an air conditioner.
Background
The existing compressor is characterized in that the compressed low-pressure cylinder of the first stage is exhausted to the middle cavity of the flange, the flange supplements air, the first-stage compressed air and the flange supplement air are mixed and then are exhausted to the second-stage high-pressure cylinder for compression through the vent hole for drainage, and then the whole cycle is completed. The conventional compressor is generally only designed with flange air supplementing, and can only reduce the compression ratio of the upper cylinder and the lower cylinder of the compressor, so that the compressor can run for a longer service life, the heating capacity of the compressor and an air conditioner can not be improved, the compressor can not run in a lower-temperature environment, partial regions can not be used, and coal-to-electricity projects can not be propelled.
Disclosure of Invention
The invention provides a compressor and an air conditioner, which solve the problem that the compressor in the prior art cannot effectively operate in a low-temperature environment with a larger range.
The technical scheme includes that the compressor comprises a flange, wherein the flange is provided with a flange air supplementing port, the compressor further comprises a first air cylinder and a second air cylinder, the first air cylinder is provided with a first air supplementing part for supplementing air to the first air cylinder and/or the second air cylinder is provided with a second air supplementing part for supplementing air to the second air cylinder.
The first air supplementing part is a first air supplementing opening which can be opened or closed.
The first air supplementing port is provided with a first check device for preventing fluid from flowing back.
The first check device comprises a valve block baffle and a valve block arranged between the valve block baffle and the first air supplementing port, and the valve block covers the first air supplementing port to enable the first air supplementing port to be closed or separate from the first air supplementing port to enable the first air supplementing port to be opened.
The second air supplementing part is a second air supplementing opening which can be opened or closed.
The second air supplementing port is provided with a second non-return device for preventing the fluid from flowing back.
The second check device comprises a valve block baffle and a valve block arranged between the valve block baffle and the first air supplementing port, and the valve block covers the second air supplementing port to enable the second air supplementing port to be closed or separate from the second air supplementing port to enable the second air supplementing port to be opened.
The volume ratio of the second cylinder to the first cylinder is in the interval of 0.1 to 1.
The first cylinder includes a first exhaust port, and the first air supply port and the first exhaust port are arranged at 180-degree intervals in the circumferential direction.
The second cylinder comprises a second exhaust port, and the second air supplementing port and the second exhaust port are arranged at 180-degree intervals in the circumferential direction.
The first air supplementing port, the second air supplementing port and the flange air supplementing port are respectively communicated with a flash evaporator through pipelines.
The pipeline is provided with a one-way valve which enables the refrigerant to flow from the flash evaporator to the first air supplementing port or the second air supplementing port or the flange air supplementing port corresponding to the flash evaporator.
An air conditioner includes the compressor.
Compared with the prior art, the compressor has the advantages that the cylinder air supplement is newly added on the basis of the flange air supplement of the enthalpy-increasing compressor in the prior art, the air supplement quantity can be adjusted according to regional environment changes, so that the compressor can be suitable for a larger low-temperature environment, meanwhile, the check valve structure is designed for the air supplement structure to ensure that the air supplement does not generate backflow, in addition, the reliability of the compressor can be improved, and the added first cylinder air supplement and second cylinder air supplement can also effectively improve the heating capacity and energy efficiency of the compressor.
Drawings
FIG. 1 is a schematic diagram of the make-up air of the compressor of the present invention;
FIG. 2 is a schematic view of a compressor according to the present invention;
FIG. 3 is a schematic view of a first cylinder according to the present invention;
fig. 4 is a schematic structural view of a second cylinder according to the present invention;
Fig. 5 is a schematic structural view of the flange in the present invention.
Detailed Description
The principles and structures of the present invention are described in detail below with reference to the drawings and the examples.
As shown in fig. 1 and 2, the present invention provides a multi-charge compressor comprising a first cylinder 1, a second cylinder 2 and a flange 3.
Wherein, first cylinder 1 is the low pressure cylinder, and second cylinder 2 is the high pressure cylinder, and the one end intercommunication knockout part 4 of first cylinder 1 is equipped with first air supplementing portion, and second cylinder 2 does not communicate with knockout part 4 is equipped with second air supplementing portion in the one end of second cylinder 2. The first air supplementing part is used for supplementing air for the first air cylinder 1, and the second air supplementing part is used for supplementing air for the second air cylinder 2.
In this embodiment, the first air-compensating portion includes a first air-compensating port 11, the first air-compensating port 11 is provided with a switch, the opening or closing of the first air-compensating port 11 can be controlled according to the use environment, a first check valve structure 12 is arranged at the first air-compensating port 11 of the first air cylinder 1 to prevent backflow problem generated when the air-compensating pressure is lower than the air-sucking pressure, and meanwhile, the partition plate is used for completely covering and sealing to ensure that no leakage occurs when the air-compensating is performed on the air cylinder, the second air-compensating portion includes a second air-compensating port 21, the second air-compensating port 21 is also provided with a switch, the opening or closing of the second air-compensating port 21 can be controlled according to the use environment, and a second check valve structure 22 is arranged at the second air-compensating port 21 of the second air cylinder 2 to prevent backflow problem generated when the air-compensating pressure is lower than the air-sucking pressure, and meanwhile, the partition plate is used for completely covering and sealing to ensure that no leakage occurs when the air-compensating is performed on the air cylinder.
The first check valve structure 12 and the second check valve structure 22 are respectively arranged on the surfaces of the first air supplementing port 11 and the second air supplementing port 21, which are led to respective cylinders, the first check valve structure 12 and the second check valve structure 22 are common format elastic valve plates, the structure of the check valve structure comprises valve plates and valve plate baffles, one ends of the valve plates are fixed, the other ends of the valve plates can be covered on the air supplementing ports or separate from the air under the change of pressure difference, when the air supplementing pressure is lower than the air exhausting pressure, the valve plates cover the air supplementing ports, when the air supplementing pressure is higher than the air exhausting pressure, the valve plates separate from the air supplementing ports to supplement air in the cylinders, and the valve plate baffles are used for limiting the excessive separation of the valve plates.
The compressor further comprises a flange 3, the flange 3 is provided with a gas supplementing port in the conventional design of the two-stage compressor, the design of the flange gas supplementing port 31 of the compressor in the invention can follow the design scheme of the flange gas supplementing port of the conventional compressor, the flange 3 is provided with a valve assembly 32, the valve assembly 32 is communicated with the first cylinder 1, and the valve assembly 32 controls the compressed gas in the first cylinder 1 to be led to the flange 3.
It should be noted that the volume ratio between the two cylinders of the second cylinder 2 and the first cylinder 1 designed in the present invention is in the interval of 0.1 to 1 so that the enthalpy increasing effect of the compressor is in the optimum condition.
As shown in fig. 3 and 4, the first cylinder 1 further includes a first exhaust port, the first air supply port 12 and the first exhaust port are symmetrically arranged at 180 degrees intervals along the radial direction of the first cylinder 1, that is, the first air supply port 12 and the first exhaust port are arranged at 180 degrees intervals on the circumference of the first cylinder 1, and the second cylinder 2 includes a second exhaust port, and the second air supply port 22 and the second exhaust port are symmetrically arranged at 180 degrees intervals along the radial direction of the second cylinder 2.
The compressor of the present invention works as follows:
The first cylinder 1 is subjected to air suction compression through the liquid separator component 4, after being compressed in the first cylinder 1, gas is discharged to the flange 3 through the first exhaust port, the flange 3 is provided with a flange air supplementing port 31 for supplementing air, after being compressed by the first cylinder 1, the gas enters the flange 3 and is supplemented and mixed, the gas is led to the second cylinder 2 for compression through a gas channel and is discharged through the second exhaust port, and the whole cycle of double-stage enthalpy-increasing compression is completed.
According to the scheme, the first air supplementing port 11 and the second air supplementing port 21 are additionally arranged to supplement air, the first air supplementing port 11, the second air supplementing port 21 and the flange air supplementing port 31 are respectively and independently communicated with a flash evaporator, and the air in the flash evaporator can only flow to the first air supplementing port 11, the second air supplementing port 21 and the flange air supplementing port 31 under the control of the check valve on the connecting pipeline of the first air supplementing port 11, the second air supplementing port 21 and the flange air supplementing port 31. And the first air supplementing port 11 and the second air supplementing port 21 are provided with a control device capable of controlling the opening or closing of the first air supplementing port 11 and the second air supplementing port 21. In order to reduce the compression ratio of the high-pressure cylinder and the low-pressure cylinder to ensure that the pressure ratio of the two-stage compressor is in the operable range, the influence of the working condition of the high-pressure ratio on the service life of the compressor is reduced, and the flange air supplementing port 31 is always opened for operation. By controlling the opening or closing of the first air supply port 11 and/or the second air supply port 21, the heating amount of the compressor is increased by increasing the air supply amount.
Specifically, only the flange air supply port 31 is opened to make the compressor operate in a general environment, the first air supply port 11 and the flange air supply port 31 are simultaneously opened to make the compressor operate in a colder environment, the second air supply port 211 and the flange air supply port 31 are simultaneously opened to make the compressor operate in a cold environment, the first air supply port 11, the second air supply port 21 and the flange air supply port 31 are simultaneously opened to make the compressor operate in a worse low-temperature environment (lower than the national standard working condition), and the like.
The invention also provides an air conditioner which uses the multi-air-supplementing compressor.
The multi-air-supplementing compressor is additionally provided with the air cylinder air supplementing, and the air supplementing combination mode can be automatically adjusted according to regional environment changes, so that the multi-cylinder multi-air-supplementing structure compressor can be suitable for a larger low-temperature environment, meanwhile, the check valve structure is designed for the air supplementing structure to ensure that the air supplementing does not generate a reflux problem, in addition, the reliability of the compressor can be improved, and the air supplementing of the high-pressure air cylinder and the low-pressure air cylinder can also effectively improve the heating capacity and the energy efficiency of the compressor.
The above embodiments are only for illustrating the idea of the present invention, and those skilled in the art can make various modifications and variations within the scope of the present invention.

Claims (9)

1.一种压缩机，包括法兰，所述法兰设有法兰补气口，其特征在于，还包括第一气缸和第二气缸，所述第一气缸设有用于对其进行补气的第一补气部，所述第二气缸设有用于对其进行补气的第二补气部；所述第一补气部为可开启或关闭的第一补气口，所述第二补气部为可开启或关闭的第二补气口，所述第一补气口、第二补气口和所述法兰补气口各自通过管路连通有一个闪蒸器，所述管路上设有使冷媒从闪蒸器流向该闪蒸器所对应的第一补气口或第二补气口或法兰补气口的单向阀。1. A compressor, comprising a flange, wherein the flange is provided with a flange air supply port, and is characterized in that it also comprises a first cylinder and a second cylinder, wherein the first cylinder is provided with a first air supply portion for supplying air thereto, and the second cylinder is provided with a second air supply portion for supplying air thereto; the first air supply portion is a first air supply port that can be opened or closed, and the second air supply portion is a second air supply port that can be opened or closed, and the first air supply port, the second air supply port and the flange air supply port are each connected to a flash evaporator through a pipeline, and a one-way valve is provided on the pipeline for allowing refrigerant to flow from the flash evaporator to the first air supply port or the second air supply port or the flange air supply port corresponding to the flash evaporator. 2.如权利要求1所述的压缩机，其特征在于，所述第一补气口处设有防止流体回流的第一止回装置。2. The compressor according to claim 1, characterized in that a first check device for preventing fluid backflow is provided at the first air supply port. 3.如权利要求2所述的压缩机，其特征在于，所述第一止回装置包括阀片挡板和设置在所述阀片挡板与所述第一补气口之间的阀片，所述阀片通过盖在所述第一补气口上使所述第一补气口关闭或脱离所述第一补气口使所述第一补气口开启。3. The compressor as described in claim 2 is characterized in that the first check device includes a valve plate baffle and a valve plate arranged between the valve plate baffle and the first air supply port, and the valve plate covers the first air supply port to close the first air supply port or detaches from the first air supply port to open the first air supply port. 4.如权利要求1所述的压缩机，其特征在于，所述第二补气口设有防止流体回流的第二止回装置。4. The compressor according to claim 1, characterized in that the second air supply port is provided with a second check device to prevent fluid backflow. 5.如权利要求4所述的压缩机，其特征在于，所述第二止回装置包括阀片挡板和设置在所述阀片挡板与所述第二补气口之间的阀片，所述阀片通过盖在所述第二补气口上使所述第二补气口关闭或脱离所述第二补气口使所述第二补气口开启。5. The compressor according to claim 4, characterized in that the second check device includes a valve baffle and a valve plate arranged between the valve baffle and the second air supply port, and the valve plate covers the second air supply port to close the second air supply port or detaches from the second air supply port to open the second air supply port. 6.如权利要求1中所述的压缩机，其特征在于，所述第二气缸与所述第一气缸的容积比的区间在0.1到1之间。6. The compressor as claimed in claim 1, characterized in that the volume ratio of the second cylinder to the first cylinder is between 0.1 and 1. 7.如权利要求1所述的压缩机，其特征在于，所述第一气缸包括第一排气口，所述第一补气口与所述第一排气口在周向上间隔180度设置。7 . The compressor according to claim 1 , wherein the first cylinder comprises a first exhaust port, and the first air supply port is disposed 180 degrees apart from the first exhaust port in a circumferential direction. 8.如权利要求1所述的压缩机，其特征在于，所述第二气缸包括第二排气口，所述第二补气口与所述第二排气口在周向上间隔180度设置。8 . The compressor according to claim 1 , wherein the second cylinder comprises a second exhaust port, and the second air supply port is disposed 180 degrees apart from the second exhaust port in a circumferential direction. 9.一种空调器，其特征在于，包括如权利要求1至8中任意一项所述的压缩机。9. An air conditioner, characterized by comprising the compressor according to any one of claims 1 to 8.
CN201910372620.0A 2019-05-06 2019-05-06 Compressor and air conditioner Active CN110242577B (en)

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CN201910372620.0A CN110242577B (en) 2019-05-06 2019-05-06 Compressor and air conditioner

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CN110242577B true CN110242577B (en) 2024-11-29

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116378923A (en) * 2023-04-13 2023-07-04 珠海凌达压缩机有限公司 An enthalpy-increasing double-cylinder compressor, a double-evaporation enthalpy-increasing refrigeration system and an air conditioner

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203822586U (en) * 2014-05-12 2014-09-10 珠海格力节能环保制冷技术研究中心有限公司 Compressor
CN106895595A (en) * 2015-12-18 2017-06-27 魏亮 A kind of two grades of air-conditioning system with enthalpy increased through vapor injection and control method thereof
CN108087238A (en) * 2017-11-03 2018-05-29 珠海格力节能环保制冷技术研究中心有限公司 Compressor and air conditioning system with same
CN209781219U (en) * 2019-05-06 2019-12-13 珠海凌达压缩机有限公司 Compressor and air conditioner

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109026691B (en) * 2018-08-22 2024-03-22 珠海凌达压缩机有限公司 Multi-cylinder multi-stage compressor and air conditioning system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203822586U (en) * 2014-05-12 2014-09-10 珠海格力节能环保制冷技术研究中心有限公司 Compressor
CN106895595A (en) * 2015-12-18 2017-06-27 魏亮 A kind of two grades of air-conditioning system with enthalpy increased through vapor injection and control method thereof
CN108087238A (en) * 2017-11-03 2018-05-29 珠海格力节能环保制冷技术研究中心有限公司 Compressor and air conditioning system with same
CN209781219U (en) * 2019-05-06 2019-12-13 珠海凌达压缩机有限公司 Compressor and air conditioner

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