WO2018196427A1 - 螺杆压缩机、空调装置及制冷装置 - Google Patents

螺杆压缩机、空调装置及制冷装置 Download PDF

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Publication number
WO2018196427A1
WO2018196427A1 PCT/CN2017/119427 CN2017119427W WO2018196427A1 WO 2018196427 A1 WO2018196427 A1 WO 2018196427A1 CN 2017119427 W CN2017119427 W CN 2017119427W WO 2018196427 A1 WO2018196427 A1 WO 2018196427A1
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WO
WIPO (PCT)
Prior art keywords
air supply
screw compressor
air
holes
screw
Prior art date
Application number
PCT/CN2017/119427
Other languages
English (en)
French (fr)
Chinese (zh)
Inventor
张天翼
刘华
张宝鸽
李日华
张贺龙
许云功
Original Assignee
格力电器（武汉）有限公司
珠海格力电器股份有限公司
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
Publication date
Application filed by 格力电器（武汉）有限公司, 珠海格力电器股份有限公司 filed Critical 格力电器（武汉）有限公司
Priority to US16/608,763 priority Critical patent/US20200049148A1/en
Priority to EP17907068.5A priority patent/EP3617516B1/de
Publication of WO2018196427A1 publication Critical patent/WO2018196427A1/zh
Priority to PH12019502419A priority patent/PH12019502419A1/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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
    • 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
    • F04C29/06—Silencing
    • 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
    • F04C2240/00—Components
    • F04C2240/30—Casings or housings
    • 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
    • F04C2250/00—Geometry
    • F04C2250/10—Geometry 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
    • F04C2250/00—Geometry
    • F04C2250/10—Geometry of the inlet or outlet
    • F04C2250/101—Geometry of the inlet or outlet of the inlet
    • 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
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise

Definitions

  • the present disclosure relates to the field of compressor technology, and in particular to a screw compressor, an air conditioner using the same, and a refrigeration apparatus using the same.
  • the screw compressor generally comprises a body and a pair of parallel and intermeshing female and male screws disposed in the body, and an air inlet is arranged on the body corresponding to one end of the female and male screws, and the exhaust body is disposed on the corresponding body at the other end. mouth.
  • the screw compressor rotates in opposite directions to each other by the female and male screws, and compresses the low-temperature low-pressure gas entering from the intake port of the body into high-temperature and high-pressure gas, and discharges it from the exhaust port of the body.
  • the body of the existing screw compressor is usually further provided with a supplemental air passage for replenishing the gas into the compression chamber between the female and male screws for improving the compression efficiency of the screw compressor.
  • the existing air supply channel can be divided into axial air supply and radial air supply.
  • the body 10' is provided with an air supply passage, and the inner end of the air supply passage is provided with an axial air supply hole 201' for making up
  • the gas passage is in communication with the compression chamber between the female and male screws.
  • the number of the axial air holes 201' is one, and at the same time, the aperture is relatively large.
  • the screw compressor having the above-mentioned air supply passage structure causes a large airflow pulsation when the gas in the air supply passage enters the compression chamber of the female and male screws through the axial air supply hole 201', thereby causing noise generation Big.
  • the present disclosure proposes a screw compressor, an air conditioning device, and a refrigerating device for pulsing airflow during qi.
  • a screw compressor comprising:
  • the body including the casing, has a compression chamber inside the casing, and
  • the air supply passage is disposed in the body, and the air supply passage has at least two air supply holes communicating with the compression chamber.
  • the air vent is disposed along the axial direction of the body.
  • the cross-sectional shape of the air vent is any one of a circle, an ellipse, a rounded rectangle, and a polygon.
  • each of the air holes has a radial dimension of not more than 6 mm, or each of the air holes has a radial dimension of not less than 2 mm.
  • each of the air-injecting holes has a diameter of 5 mm.
  • the screw compressor further includes a male screw and a female screw disposed in the compression chamber, and at least a portion of the air supply holes are arranged in a shape corresponding to a partial outer contour of the male screw.
  • At least three of the air holes are arranged in a first group, and the centers of the respective air holes in the first group are arranged to form an arc, and the arc is disposed concentrically with the male screw.
  • the distance between the center of the air supply hole of the outer layer and the contour of the air supply passage is a fixed value.
  • the body further includes:
  • the exhaust bearing housing is disposed at an end of the casing, and at least a portion of the length of the air supply passage is disposed on the exhaust bearing housing, and the air supply hole is disposed on the exhaust bearing housing.
  • an air conditioning apparatus including the above screw compressor.
  • a refrigerating apparatus including the above-described screw compressor.
  • the screw compressor provided by the present disclosure has a plurality of air supply passages for communicating with the compression chamber, so that the aperture of each air supply hole can be used when the space on the air body for providing the air supply holes is limited.
  • a larger number of vent holes with smaller apertures are more favorable for reducing airflow pulsation, thereby Helps reduce noise during qi.
  • the air conditioning device and the refrigerating device provided by the present disclosure adopt the above-described screw compressor provided by the present disclosure, which can reduce the pulsation of the airflow during the qi process, thereby contributing to reducing the noise during the qi process.
  • FIG. 1 is a schematic view of an axial air supply hole in a conventional screw compressor
  • FIG. 2 is a schematic perspective view of a gas supply hole in a screw compressor according to an embodiment of the present disclosure
  • Fig. 3 is a front elevational view showing the air supply hole in the screw compressor in the embodiment of the present disclosure.
  • FIG. 4 is a schematic view showing the arrangement of the air supply holes in the screw compressor in the embodiment of the present disclosure.
  • the screw compressor includes a body 10, the body 10 includes a casing, a compression chamber is disposed in the casing, and a gas supply passage is disposed in the body 10.
  • the supplemental air passage has a plurality of air supply holes 201 for communicating with the compression chamber.
  • the air supply hole 201 is an axial air supply hole, that is, the air supply hole 201 is aligned with the axis of the body 10, and is easy to process.
  • the air supply hole 201 may be disposed obliquely with respect to the axis of the body 10.
  • the number of the air supply holes 201 for communicating with the compression chamber is plural, so that in the case where the space available for the air supply holes 201 can be limited on the body 10, each of the air supply holes 201 The aperture is small.
  • the screw compressor further includes a pair of parallel and intermeshing male and female screws, and a drive mechanism.
  • the driving mechanism is coupled to the male screw for driving the rotation of the male screw, thereby driving the rotation of the female screw engaged with the male screw.
  • One end of the body 10 is provided with an air inlet, and the other end is provided with an air outlet, and the air inlet and the air outlet are respectively located at two sides of the female and male screws.
  • the male screw and the female screw rotate in opposite directions with each other under the driving mechanism.
  • the compression chamber between the female and male screws communicates with the air inlet, the gas enters the yin through the air inlet.
  • the compression chamber between the male screws after the compression process, when the compression chamber communicates with the exhaust port, it is discharged from the exhaust port.
  • the gas is replenished into the compression chamber through the air supply passage to improve the compression efficiency of the screw compressor.
  • the amount of gas passing through the air supply passage is a fixed value, so that the total value of the gas passing through the plurality of air supply holes 201 is a fixed value, and since the number of the air supply holes 201 is plural, Therefore, in the case where the total value is constant, the aperture of each of the air supply holes 201 is relatively small, and the airflow generated by the gas passing through the air supply holes 201 is small, so that the noise generated when the air is supplied to the compression chamber can be reduced.
  • the screw compressor as a twin-screw compressor as an example.
  • the screw compressor provided by the present disclosure may also be other possible structures, and is not limited to the above-mentioned twin screw. compressor.
  • each of the air supply holes 201 may be various regular shapes such as a circle, an ellipse, a rounded rectangle, and a polygon, and may be other irregular shapes.
  • the shape of the air vent 201 may be set to any shape desired or capable of achieving the corresponding purpose, as needed.
  • each of the air supply holes 201 has a radial dimension of no more than 6 mm.
  • the radial dimension is the diameter of the hole. This arrangement defines the maximum length of the aperture of the air supply aperture 201, and is limited to a range of 6 mm, which can better reduce the airflow pulsation during the air supply process, thereby enabling lower noise.
  • each of the air supply holes 201 has a radial dimension of not less than 2 mm.
  • the radial dimension is the diameter of the hole.
  • the shape of the axial air plenum 201 is set to a circular shape, which is easy to process, so that the processing cost can be reduced. As shown in Fig. 3, each of the air supply holes 201 has a diameter of 5 mm.
  • the body 10 is provided with a male screw 40 and a female screw, and the plurality of air supply holes 201 are arranged in a shape corresponding to the root of the male screw 40.
  • This setting reduces the pulsation of the airflow during qi, which helps to reduce the noise during the qi process.
  • the body 10 further includes an exhaust bearing housing, the exhaust bearing housing is disposed at an end of the casing, and at least a portion of the length of the air supply passage may be disposed on the body 10.
  • the body structure shown in Figures 2 and 3 is the exhaust bearing housing.
  • a portion of the length of the air supply passage is disposed on the exhaust bearing housing, and another length of the air supply passage is disposed on the casing, and the air supply hole 201 is disposed on the exhaust bearing housing.
  • the gas supplied to the compressor first enters the length section of the gas supply passage on the casing, and then enters the length section of the gas supply passage located on the exhaust bearing seat, and then enters the compression chamber of the body through the air supply hole 201.
  • the number of the air supply holes 201 for communicating with the compression chamber in the air supply passage is plural, so that in the case where the space available for the air supply hole 201 can be limited in the body 10, each The air hole 201 has a small aperture; in the air supply process, compared with the prior art air hole with a larger aperture, the screw compressor provided by the present disclosure has a larger number of air holes 201 with smaller apertures. Reduce airflow pulsations, which helps to reduce noise during qi.
  • At least two air holes 201 are arranged in a first group 31, and the number of air holes 201 in the first group 31 is at least three, and the centers of all the air holes 201 in the first group 31 form an arc.
  • the center of the arc is concentrically arranged with the male screw 40.
  • the position of 31 in FIG. 4 is an arc formed by the center of the plurality of air holes 201 of the first group 31.
  • the contour B of the air supply passage is determined by the position of the male screw 40 and the exhaust passage of the screw compressor, and the center of the air supply hole 201 of the outer layer is a fixed value from the contour B of the air supply passage.
  • the shape of the contour B is fixed, that is, the shape of the contour B is also the cross-sectional shape of the original air supply passage.
  • the present disclosure also provides an air conditioning apparatus including, in this embodiment, a screw compressor in the above-described embodiment of the present disclosure.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
PCT/CN2017/119427 2017-04-26 2017-12-28 螺杆压缩机、空调装置及制冷装置 WO2018196427A1 (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US16/608,763 US20200049148A1 (en) 2017-04-26 2017-12-28 Screw Compressor, Air Conditioning Apparatus and Refrigeration Apparatus
EP17907068.5A EP3617516B1 (de) 2017-04-26 2017-12-28 Schraubenverdichter, klimatisierungsvorrichtung und kühlvorrichtung
PH12019502419A PH12019502419A1 (en) 2017-04-26 2019-10-25 Screw compressor, air conditioning apparatus and refrigeration apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710283983.8 2017-04-26
CN201710283983.8A CN106979160A (zh) 2017-04-26 2017-04-26 螺杆压缩机、空调装置及制冷装置

Publications (1)

Publication Number Publication Date
WO2018196427A1 true WO2018196427A1 (zh) 2018-11-01

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Application Number Title Priority Date Filing Date
PCT/CN2017/119427 WO2018196427A1 (zh) 2017-04-26 2017-12-28 螺杆压缩机、空调装置及制冷装置

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US (1) US20200049148A1 (de)
EP (1) EP3617516B1 (de)
CN (1) CN106979160A (de)
PH (1) PH12019502419A1 (de)
WO (1) WO2018196427A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106979160A (zh) * 2017-04-26 2017-07-25 珠海格力电器股份有限公司 螺杆压缩机、空调装置及制冷装置

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EP0389036A1 (de) * 1989-03-21 1990-09-26 Grass-Air Holding B.V. Schraubenverdichter und sein Betriebsverfahren
CN1450267A (zh) * 2002-04-09 2003-10-22 赵之海 具有补气功能的涡旋压缩机
CN101979880A (zh) * 2010-04-26 2011-02-23 上海维尔泰克螺杆机械有限公司 螺杆压缩机
CN202851353U (zh) * 2012-09-06 2013-04-03 安徽东升机电有限责任公司 热泵型电动汽车空调压缩机
CN205013302U (zh) * 2015-08-31 2016-02-03 珠海格力电器股份有限公司 补气结构及螺杆压缩机
CN205858689U (zh) * 2016-06-24 2017-01-04 珠海格力电器股份有限公司 一种排气轴承座及螺杆压缩机
CN106979160A (zh) * 2017-04-26 2017-07-25 珠海格力电器股份有限公司 螺杆压缩机、空调装置及制冷装置

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CN87101649A (zh) * 1987-02-27 1987-09-16 武汉冷冻机厂 一种喷油螺杆制冷压缩机
EP0389036A1 (de) * 1989-03-21 1990-09-26 Grass-Air Holding B.V. Schraubenverdichter und sein Betriebsverfahren
CN1450267A (zh) * 2002-04-09 2003-10-22 赵之海 具有补气功能的涡旋压缩机
CN101979880A (zh) * 2010-04-26 2011-02-23 上海维尔泰克螺杆机械有限公司 螺杆压缩机
CN202851353U (zh) * 2012-09-06 2013-04-03 安徽东升机电有限责任公司 热泵型电动汽车空调压缩机
CN205013302U (zh) * 2015-08-31 2016-02-03 珠海格力电器股份有限公司 补气结构及螺杆压缩机
CN205858689U (zh) * 2016-06-24 2017-01-04 珠海格力电器股份有限公司 一种排气轴承座及螺杆压缩机
CN106979160A (zh) * 2017-04-26 2017-07-25 珠海格力电器股份有限公司 螺杆压缩机、空调装置及制冷装置

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Also Published As

Publication number Publication date
US20200049148A1 (en) 2020-02-13
CN106979160A (zh) 2017-07-25
PH12019502419A1 (en) 2020-07-06
EP3617516A4 (de) 2020-03-04
EP3617516B1 (de) 2021-10-06
EP3617516A1 (de) 2020-03-04

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