CN110360106B - Scroll compressor, air condensing units and air conditioner - Google Patents

Scroll compressor, air condensing units and air conditioner Download PDF

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Publication number
CN110360106B
CN110360106B CN201910677099.1A CN201910677099A CN110360106B CN 110360106 B CN110360106 B CN 110360106B CN 201910677099 A CN201910677099 A CN 201910677099A CN 110360106 B CN110360106 B CN 110360106B
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China
Prior art keywords
scroll compressor
scroll
frame
motor
crank
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CN201910677099.1A
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Chinese (zh)
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CN110360106A (en
Inventor
胡余生
魏会军
赵豪川
方琪
律刚
赵玉晨
董航江
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Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
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Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
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Priority to CN201910677099.1A priority Critical patent/CN110360106B/en
Publication of CN110360106A publication Critical patent/CN110360106A/en
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    • 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
    • F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
    • F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
    • 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
    • F04C23/02—Pumps characterised by combination with or adaptation to specific driving engines or motors
    • 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)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Rotary Pumps (AREA)

Abstract

The invention provides a scroll compressor, an air conditioner outdoor unit and an air conditioner, and relates to the field of compressors. The scroll compressor comprises a first frame, a movable scroll plate, a fixed scroll plate, a crank shaft and a motor, wherein the movable scroll plate and the fixed scroll plate are both installed on the first frame, the crank shaft is rotatably installed on the first frame, a crank part of the crank shaft is rotatably connected with the movable scroll plate, the movable scroll plate is meshed with the fixed scroll plate, and a rotating shaft of the motor is in transmission connection with the crank shaft. The motor is adopted to drive the movable scroll plate to move, on one hand, in the process of producing the scroll compressor, only the rotating shaft of the motor needs to be in transmission connection with the crank shaft, and parts such as a crankshaft, a rotor and a stator in the scroll compressor in the prior art do not need to be independently installed, so that the production process of the scroll compressor is facilitated to be simplified, and the production difficulty of the scroll compressor is reduced; in addition, because the long crankshaft in the prior art is saved, the size of the scroll compressor in the axial direction of the crankshaft is reduced, and the miniaturization of the scroll compressor is facilitated.

Description

Scroll compressor, air condensing units and air conditioner
Technical Field
The invention relates to the field of compressors, in particular to a scroll compressor, an air conditioner outdoor unit and an air conditioner.
Background
The existing scroll compressor is often provided with a long crankshaft, the crankshaft drives a movable scroll to move, and a crank shaft, an anti-rotation steel ring and the like are adopted to prevent the movable scroll from rotating so as to enable the movable scroll to reciprocate according to a set track.
The crankshaft is driven by the combination of the rotor and the stator, and when the scroll compressor is produced, the types and the quantity of the parts needing to be installed and matched are various, and the production and processing difficulty of the scroll compressor is high.
In addition, the scroll compressor in the prior art has a long crankshaft, so that the size of the scroll compressor in the length direction of the crankshaft is large, and the miniaturization of the scroll compressor is not facilitated.
Disclosure of Invention
An object of the present invention is to provide a scroll compressor which is simple in production process and advantageous in downsizing.
In order to achieve the purpose, the scroll compressor provided by the invention comprises a first frame, a movable scroll, a fixed scroll, a crank shaft and a motor, wherein the movable scroll and the fixed scroll are both arranged on the first frame, the crank shaft is rotatably arranged on the first frame, the curved part of the crank shaft is rotatably connected with the movable scroll, the movable scroll is meshed with the fixed scroll, and the rotating shaft of the motor is in transmission connection with the crank shaft.
Therefore, the scroll compressor is structurally designed, the motor is adopted to drive the movable scroll plate to move, on one hand, in the process of producing the scroll compressor, only the rotating shaft of the motor is in transmission connection with the crank shaft, and parts such as a crankshaft, a mover and a stator in the scroll compressor in the prior art are not required to be independently installed, so that the production process of the scroll compressor is facilitated to be simplified, and the production difficulty of the scroll compressor is reduced; in addition, the invention saves a long crankshaft in the prior art, is beneficial to reducing the size of the scroll compressor in the axial direction of the crankshaft and is beneficial to the miniaturization of the scroll compressor.
The scroll compressor further comprises a second frame fixedly connected with the first frame, the motor is mounted on the second frame, a connecting cavity is formed between the first frame and the second frame, the crank shaft extends into the connecting cavity from the first frame, a rotating shaft of the motor extends into the connecting cavity, and the rotating shaft of the motor is in transmission connection with the crank shaft in the connecting cavity.
It is from top to bottom visible, the setting of second frame makes things convenient for the installation of motor, and first casing covers the spread groove, and first casing forms the connection chamber with the second casing in spread groove department, is favorable to guaranteeing that the pivot of motor is connected with the transmission of turning the axle and is not received external disturbance, is favorable to guaranteeing that the pivot of motor is connected stably with the transmission between the turning the axle.
The further scheme is that a containing cavity is arranged on the second rack, and the motor is located in the containing cavity.
From the above, it can be seen that the external structure of the scroll compressor is simplified.
In another preferred embodiment, the motor is a servomotor.
Therefore, when two or more motors work cooperatively, the motors are required to keep synchronous operation, the control precision of the servo motor is high, and the synchronous operation of the motors is more favorably controlled.
In still another preferred embodiment, the scroll compressor further includes a driving plate, the movable scroll is fixedly connected to the driving plate, and the crank portion of the crank shaft is rotatably connected to the driving plate.
Still preferably, the number of the crank shafts is at least two.
It is from top to bottom visible, two above crank throw is favorable to preventing to move the vortex dish rotation, also can set up other anti-rotation structures such as anti-rotation steel ring certainly between moving vortex dish and first frame, further guarantees to move the vortex dish motion stability, guarantees that scroll compressor operation is stable.
The further scheme is that the number of the motors is at least two, and the motors synchronously drive the crank shafts in a one-to-one correspondence manner.
It can be seen from the above that, set up two at least motors, be favorable to reducing the power requirement to single motor like this, be favorable to reducing single motor size in the axial, further be favorable to reducing scroll compressor size in the axial, be favorable to scroll compressor's miniaturization.
Still another preferred scheme is that the number of the crank shafts is three, the number of the motors is three, and each motor drives each crank shaft in a one-to-one correspondence manner.
It is thus clear that, the setting of three crank shafts is favorable to more moving the vortex dish motion stability, and the setting of three motors is further favorable to reducing the power requirement to single motor, is favorable to reducing single motor size in the axial, further is favorable to reducing scroll compressor size in the axial, is favorable to scroll compressor's miniaturization.
The second object of the present invention is to provide an outdoor unit of an air conditioner, which is simple in production process and advantageous in miniaturization of the structure.
In order to achieve the above object, an outdoor unit of an air conditioner according to the present invention includes the scroll compressor.
Therefore, the adoption of the scroll compressor is beneficial to simplifying the production process of the air conditioner outdoor unit and the miniaturization of the air conditioner outdoor unit.
The present invention also provides an air conditioner which is simple in production process and is advantageous for miniaturization of structure.
In order to achieve the above object, an air conditioner according to the present invention includes the outdoor unit of an air conditioner.
Therefore, the air conditioner outdoor unit is beneficial to simplifying the production process of the air conditioner and the miniaturization of the air conditioner.
Drawings
FIG. 1 is a schematic cross-sectional view of a first embodiment of the scroll compressor of the present invention;
FIG. 2 is a schematic view of a portion of a first embodiment of the scroll compressor of the present invention;
FIG. 3 is a schematic cross-sectional view of a preferred version of the embodiment of the scroll compressor of the present invention;
FIG. 4 is a schematic view of a portion of a second embodiment of the scroll compressor of the present invention;
FIG. 5 is a schematic view of a portion of a third embodiment of the scroll compressor of the present invention.
The invention is further explained with reference to the drawings and the embodiments.
Detailed Description
The embodiment of the scroll compressor, the outdoor unit of the air conditioner and the air conditioner comprises:
the air conditioner of this embodiment adopts the air conditioner outdoor unit of this embodiment, and the air conditioner outdoor unit of this embodiment adopts the scroll compressor of this embodiment.
Referring to fig. 1 and 2, the scroll compressor of the present embodiment includes a first frame 1, a second frame 2, a movable scroll 3, a fixed scroll 4, three crank shafts 6 and a servo motor 7, wherein an installation cavity 101 is disposed in the first frame 1, the movable scroll 3 and the fixed scroll 4 are both installed in the installation cavity 101, the fixed scroll 4 is fixedly connected to the first frame 1, the movable scroll 3 is engaged with the fixed scroll 4, the crank shafts 6 are rotatably installed on the first frame 1 through first bearings 8, crank portions 601 of the crank shafts 6 are rotatably connected to the movable scroll 3 through second bearings 9, and one crank shaft 6 extends out of the first frame 1.
Specifically, referring to fig. 1, the scroll compressor further includes a driving plate 5, the driving plate 5 is fixedly connected to the orbiting scroll 3, and the curved portion 601 of the crank shaft 6 is rotatably connected to the driving plate 5 through a second bearing 9, so as to rotatably connect the curved portion 601 of the crank shaft 6 to the orbiting scroll 3.
Referring to fig. 1, along the axial direction of the crank shaft 6, the second frame 2 has a connecting slot 201 with an opening facing the first frame 1; second frame 2 and first frame 1 fixed connection are in the opening part of spread groove 201, and first frame 1 covers the opening of spread groove 201, and first casing 1 forms the connection chamber with second casing 2 in spread groove 201 department, and crank shaft 6 stretches out to connect in the chamber from first frame 1, and driving motor installs on second frame 2, and driving motor's pivot extends to and connects in the chamber, and servo motor 7's pivot and crank shaft 6 transmission are connected in connecting in the chamber. The transmission connection between the rotating shaft of the servo motor 7 and the crank shaft 6 is not interfered by the outside, and the transmission connection between the rotating shaft of the servo motor 7 and the crank shaft 6 is stable.
In the embodiment, the servo motor 7 is adopted to drive the movable scroll 3 to move, so that on one hand, in the process of producing the scroll compressor, only the rotating shaft of the servo motor 7 is in transmission connection with the crank shaft 6, and parts such as a crankshaft, a rotor and a stator in the scroll compressor in the prior art are not required to be independently installed, the production process of the scroll compressor is facilitated to be simplified, and the production difficulty of the scroll compressor is reduced; in addition, because the long crankshaft in the prior art is saved, the size of the scroll compressor in the axial direction of the crank shaft 6 is reduced, and the miniaturization of the scroll compressor is facilitated.
Alternatively, the first frame 1 and the second frame 2 may be fixedly connected by bolts, welding, or the like.
Alternatively, the rotating shaft of the servo motor 7 and the crank shaft 6 may be in a transmission connection mode that the rotating shaft of the servo motor 7 and the crank shaft 6 are coaxially and fixedly connected, or the rotating shaft of the servo motor 7 and the crank shaft 6 are in a meshing transmission connection through a gear set.
Alternatively, the number of the crank shafts 6 may be two, and the two crank shafts 6 limit the movement of the movable scroll 3 together, thereby achieving the purpose of preventing the movable scroll 3 from rotating.
Of course, the number of the crank shafts 6 may be one, the number of the servo motors 7 may be one, and another type of anti-rotation structure may be provided between the first housing 1 and the orbiting scroll 3, for example, an anti-rotation steel ring may be provided between the first housing 1 and the orbiting scroll 3.
Preferably, referring to fig. 3, the second frame 2 is provided with a receiving cavity 202, and the servo motor 7 is located in the receiving cavity, which is beneficial to the external structure simplicity of the scroll compressor.
Alternatively, a motor such as a stepping motor may be used instead of the servo motor 7 of the present embodiment, and the object of the present invention can be achieved.
The embodiment of the scroll compressor, the outdoor unit of the air conditioner and the air conditioner comprises:
referring to fig. 4, in the present embodiment, the number of the servo motors 7 is two, the number of the crank shafts 6 is three, the two servo motors 7 correspond to the two crank shafts 6 one by one, the rotating shaft of each servo motor 7 is in transmission connection with the corresponding crank shaft 6, the two servo motors 7 rotate synchronously, and the two servo motors 7 drive the corresponding movable scrolls 3 to move synchronously.
The arrangement of the at least two servo motors 7 is beneficial to reducing the power requirement on the single servo motor 7, reducing the size of the single servo motor 7 in the axial direction, further reducing the size of the scroll compressor in the axial direction and being beneficial to the miniaturization of the scroll compressor.
Preferably, the rotating shafts of the two servo motors 7 are coaxially and fixedly connected with the two crank shafts 6 in a one-to-one correspondence manner.
The other parts of the scroll compressor, the air conditioner outdoor unit and the air conditioner in the second embodiment are the same as those of the scroll compressor, the air conditioner outdoor unit and the air conditioner in the first embodiment.
Scroll compressor, air condensing units and air conditioner embodiment three:
referring to fig. 5, in the present embodiment, the number of the servo motors 7 is three, the number of the crank shafts 6 is three, the three servo motors 7 correspond to the three crank shafts 6 one by one, the rotating shaft of each servo motor 7 is in transmission connection with the corresponding crank shaft 6, the three servo motors 7 rotate synchronously, and the three servo motors 7 drive the corresponding movable scrolls 3 to move synchronously.
The three crank shafts 6 are more favorable for the movement stability of the movable scroll plate, the three servo motors 7 are further favorable for reducing the power requirement of the scroll compressor on the single servo motor 7, the size of the servo motor 7 in the axial direction is favorably reduced, the occupation of the servo motor 7 on the axial space of the scroll compressor is reduced, the size of the scroll compressor in the axial direction is further favorably reduced, and the miniaturization of the scroll compressor is favorable.
Three servo motors 7 are distributed along the circumference of the scroll compressor.
Preferably, the rotating shafts of the three servo motors 7 are coaxially and fixedly connected with the three crank shafts 6 in a one-to-one correspondence manner.
The other parts of the scroll compressor, the air conditioner outdoor unit and the air conditioner in the third embodiment are the same as those of the scroll compressor, the air conditioner outdoor unit and the air conditioner in the first embodiment.
Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, rather than limitations, and that many variations and modifications of the invention are possible to those skilled in the art, without departing from the spirit and scope of the invention.

Claims (8)

1. The scroll compressor comprises a first frame, a movable scroll, a fixed scroll and a crank shaft, wherein the movable scroll and the fixed scroll are both arranged on the first frame;
the method is characterized in that:
the crank shaft is in transmission connection with a rotating shaft of the motor;
the number of the crank shafts is at least two, at least two of the crank shafts are driven by at least two motors in a one-to-one correspondence mode, driving shafts of the motors are coaxially and fixedly connected with the corresponding crank shafts, and the number of the crank shafts is not less than that of the motors.
2. The scroll compressor of claim 1, wherein:
scroll compressor still include with first frame fixed connection's second frame, the motor is installed in the second frame, first frame with be formed with between the second frame and connect the chamber, the crank axle is followed first frame extends in connecting the chamber, the pivot of motor extends in connecting the chamber, the motor with crank axle transmission connect in the chamber.
3. The scroll compressor of claim 2, wherein:
and the second rack is provided with an accommodating cavity, and the motor is positioned in the accommodating cavity.
4. The scroll compressor of claim 1, wherein:
the motor is a servo motor.
5. The scroll compressor of claim 1, wherein:
the scroll compressor further comprises a driving plate, the movable scroll plate is fixedly connected with the driving plate, and the bent part of the crank shaft is rotatably connected with the driving plate.
6. The scroll compressor of any one of claims 1 to 5, wherein:
the number of the crank shafts is three, the number of the motors is three, and the motors drive the crank shafts in a one-to-one correspondence mode.
7. Air condensing units, its characterized in that:
comprising a scroll compressor as claimed in any one of claims 1 to 6.
8. An air conditioner, characterized in that:
comprising the outdoor unit of claim 7.
CN201910677099.1A 2019-07-25 2019-07-25 Scroll compressor, air condensing units and air conditioner Active CN110360106B (en)

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Application Number Priority Date Filing Date Title
CN201910677099.1A CN110360106B (en) 2019-07-25 2019-07-25 Scroll compressor, air condensing units and air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910677099.1A CN110360106B (en) 2019-07-25 2019-07-25 Scroll compressor, air condensing units and air conditioner

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CN110360106A CN110360106A (en) 2019-10-22
CN110360106B true CN110360106B (en) 2021-11-02

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Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2235246A (en) * 1989-06-20 1991-02-27 Epic Prod Ltd A drive system for a pump/compressor
JPH10252668A (en) * 1997-03-12 1998-09-22 Hitachi Ltd Scroll compressor
JP4130285B2 (en) * 1999-10-29 2008-08-06 アネスト岩田株式会社 Cooling structure in scroll fluid machine
JP6729158B2 (en) * 2016-08-10 2020-07-22 三浦工業株式会社 Scroll fluid machinery
CN107269533A (en) * 2017-05-18 2017-10-20 洛阳广纬精工科技有限公司 A kind of host shell of screw compressor
CN109130819A (en) * 2017-06-28 2019-01-04 天厦精控（厦门）科技有限公司 A kind of double-motor hybrid coupler and its working method
CN207207728U (en) * 2017-07-27 2018-04-10 上海蓝毓新能源汽车科技有限公司 The electric automobile drive assembly system of the double speed changes of bi-motor
CN208651160U (en) * 2018-08-09 2019-03-26 江苏赫曦新能源有限公司 A kind of gear drive vortex compressor
CN109185128A (en) * 2018-10-23 2019-01-11 珠海格力节能环保制冷技术研究中心有限公司 A kind of scroll air compressor

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