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WO2017088570A1 - 一种涡旋压缩机及包括该压缩机的电器产品 - Google Patents

一种涡旋压缩机及包括该压缩机的电器产品 Download PDF

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Publication number
WO2017088570A1
WO2017088570A1 PCT/CN2016/099521 CN2016099521W WO2017088570A1 WO 2017088570 A1 WO2017088570 A1 WO 2017088570A1 CN 2016099521 W CN2016099521 W CN 2016099521W WO 2017088570 A1 WO2017088570 A1 WO 2017088570A1
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WO
WIPO (PCT)
Prior art keywords
frame
oil
housing
scroll compressor
compressor according
Prior art date
Application number
PCT/CN2016/099521
Other languages
English (en)
French (fr)
Inventor
刁建
郭求和
胡余生
曹贞文
李小雷
Original Assignee
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 珠海格力电器股份有限公司 filed Critical 珠海格力电器股份有限公司
Priority to EP16867797.9A priority Critical patent/EP3382204B1/en
Priority to US15/778,137 priority patent/US10823171B2/en
Publication of WO2017088570A1 publication Critical patent/WO2017088570A1/zh

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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
    • F04C23/008—Hermetic pumps
    • 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
    • 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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/02—Rotary-piston machines or pumps 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
    • F04C2/025—Rotary-piston machines or pumps 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 the moving and the stationary member having co-operating elements in spiral form
    • 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
    • F04C29/02—Lubrication; Lubricant separation
    • 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
    • F04C29/02—Lubrication; Lubricant separation
    • F04C29/026—Lubricant separation
    • 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
    • F04C29/02—Lubrication; Lubricant separation
    • F04C29/028—Means for improving or restricting lubricant flow
    • 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
    • F04C29/04—Heating; Cooling; Heat insulation
    • 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
    • F04C2240/10—Stators

Definitions

  • the present invention relates to the field of compressor technology, and more particularly to a scroll compressor and an electrical product including the same.
  • the scroll compressor is mainly composed of a casing, a compression mechanism, a supporting mechanism, a driving mechanism, a working fluid suction pipe, and a working fluid discharge pipe.
  • the compression mechanism is composed of a movable scroll member and a fixed scroll member.
  • the driving mechanism comprises a stator assembly and a crankshaft rotor assembly.
  • the crankshaft of the crankshaft rotor assembly drives the orbiting scroll member. Since the movable scroll member is provided with an anti-rotation mechanism, the movable scroll member can be driven relative to the fixed vortex under the driving action of the crankshaft.
  • the rotating part is rotated in translation.
  • the volume of the compression chamber defined by the spiral wrap of the fixed scroll member and the spiral wrap of the orbiting scroll member gradually becomes smaller, and the refrigerant pressure therein is continuously increased, thereby being sucked into the compression chamber through the working fluid suction pipe.
  • the agent is compressed and eventually discharged from the vent at the center of the scroll member and discharged from the working fluid discharge tube to the external refrigeration circuit. Thereby, the working cycle process of refrigerant suction, compression, and discharge is realized.
  • the refrigerant passes through the working fluid suction pipe, enters the casing, and changes the flow direction of the refrigerant through the baffle device, so that the flow of the refrigerant flows from the radial direction to the downward flow direction.
  • the refrigerant passes through the working fluid suction pipe and is free to diffuse after entering the casing.
  • the scroll compressor uses R32 refrigerant or other exhaust temperature. In the case of higher characteristic refrigerants, it will adversely affect compressor efficiency and reliability.
  • the invention provides a scroll compressor. After the refrigerant enters the casing of the scroll compressor through the inlet of the refrigerant, most of the refrigerant enters the suction port of the fixed scroll component, and the other part cools the stator assembly of the drive mechanism to solve the vortex. The suction of the rotary compressor is preheated by the stator assembly of the drive mechanism to raise the temperature of the exhaust gas.
  • the present invention also provides an electrical appliance comprising the above scroll compressor.
  • a scroll compressor provided by the present invention includes:
  • a housing provided with a refrigerant inlet for drawing refrigerant into the interior of the housing;
  • crankshaft rotor assembly and a stator assembly disposed within the housing, the crankshaft rotor assembly including a crankshaft having a centering shaft portion and an eccentric shaft portion;
  • a movable scroll member driven by the eccentric shaft portion of the crankshaft, and a fixed scroll member that cooperates with the movable scroll member to form a compression chamber;
  • the frame disposed in the housing at a position corresponding to the refrigerant inlet, the side wall of the frame being fixedly connected to an inner wall of the housing, the frame separating the internal cavity of the housing into Separate upper and lower cavities, and the frame is sleeved in the centering shaft portion;
  • the frame is provided with a first fold for guiding the refrigerant to the upper cavity at a position corresponding to the refrigerant inlet a flow portion, the frame is provided with a second baffle portion therethrough for communicating the upper cavity and the lower cavity;
  • the frame is provided with an oil pool portion and for guiding oil in the oil pool portion An oil guiding hole of the upper end surface of the frame; and an oil discharging device capable of dispersing oil derived from the oil guiding hole at an outlet of the oil guiding hole.
  • the oil squeezing device is a slider disposed on a lower end surface of the movable scroll member and moving together with the movable scroll member, the slider slidingly mating with an upper end surface of the frame, and The movement path of the slider passes through the outlet of the oil guiding hole.
  • the first baffle and the second baffle are respectively disposed at two opposite positions of the frame.
  • the first baffle is a flow guiding groove disposed on a sidewall of the frame, the edge of the longitudinal section of the guiding groove is L-shaped, and the side of the guiding groove is convex An arc surface facing the center of the frame.
  • the width of the flow guiding groove is equal to or larger than the diameter of the refrigerant inlet.
  • a central portion of a side surface of the flow guiding groove is aligned with a central portion of the refrigerant inlet.
  • the upper end surface of the flow guiding groove is flush with the bottom surface of the suction opening of the fixed scroll member.
  • the bottom surface of the flow guiding groove is provided with a sinking groove, and both side walls of the sinking groove are arc-shaped structures, and the floating groove is internally inserted with a circular arc-shaped baffle.
  • the inner circle radius of the baffle is greater than the inner circle radius of the sinker, and the outer circle radius of the baffle is smaller than the outer circle radius of the sinker.
  • a central portion of the baffle is opposite to a center of the refrigerant inlet, and a deployment angle of the baffle is smaller than a deployment angle of the sink and greater than or equal to a deployment angle of the sink One-half.
  • the top end of the baffle is flush with the bottom surface of the suction port of the fixed scroll member.
  • the present invention also provides an electrical appliance, comprising a compressor, the compressor being the scroll compressor of any of the above.
  • a scroll compressor provided by the present invention includes:
  • a housing provided with a refrigerant inlet for drawing refrigerant into the interior of the housing;
  • crankshaft rotor assembly and a stator assembly disposed within the housing, the crankshaft rotor assembly including a crankshaft having a centering shaft portion and an eccentric shaft portion;
  • a movable scroll member driven by the eccentric shaft portion of the crankshaft, and a fixed scroll member that cooperates with the movable scroll member to form a compression chamber;
  • the frame disposed in the housing at a position corresponding to the refrigerant inlet, the side wall of the frame being fixedly connected to an inner wall of the housing, the frame separating the internal cavity of the housing into Separate upper and lower cavities, and the frame is sleeved in the centering shaft portion;
  • the frame is provided with a first fold for guiding the refrigerant to the upper cavity at a position corresponding to the refrigerant inlet a flow portion, the frame is provided with a second baffle portion therethrough for communicating the upper cavity and the lower cavity;
  • the frame is provided with an oil pool portion and for guiding oil in the oil pool portion An oil guiding hole of the upper end surface of the frame; and an oil discharging device capable of dispersing oil derived from the oil guiding hole at an outlet of the oil guiding hole.
  • the refrigerant enters the inside of the casing through the refrigerant inlet, and is deflected by the first baffle and flows to the upper cavity of the casing above the frame for free diffusion, and the oil is oiled.
  • the oil is discharged through the oil guiding hole, and the oiling device disperses the oil flowing out of the oil guiding hole to form an oil droplet state.
  • a part of the oil is introduced into the suction port of the fixed scroll member.
  • the other part of the compression chamber formed by the scroll member and the fixed scroll member is deflected by the second baffle portion and then enters the lower cavity below the frame for cooling the drive motor. Furthermore, while not affecting the cooling of the motor, the inspiratory oil content is ensured, the suction superheat is reduced, and the exhaust temperature is lowered.
  • the present invention also provides an electrical appliance including the above scroll compressor, which may be an electric appliance having a compressor such as an air conditioner or a refrigerator.
  • the electrical product provided by the invention can ensure the suction oil content, reduce the suction overheat and reduce the exhaust temperature without affecting the cooling of the motor.
  • Figure 1 is a schematic view of the interior of a compressor in accordance with an embodiment of the present invention
  • FIG. 2 is a perspective view of a rack according to a first embodiment of the present invention
  • Figure 3 is a partial cross-sectional view showing the compressor of the first embodiment of the present invention.
  • FIG. 4 is a perspective view of a rack in a second embodiment of the present invention.
  • Figure 5 is a cross-sectional view showing the second embodiment of the present invention when the baffle is not mounted.
  • the present embodiment provides a scroll compressor.
  • the refrigerant enters the casing of the scroll compressor through the inlet of the refrigerant, and most of the refrigerant enters the suction port of the fixed scroll component, and the other part cools the stator assembly of the drive mechanism to solve the problem.
  • the suction of the scroll compressor is preheated by the stator assembly of the drive mechanism to raise the temperature of the exhaust gas.
  • This embodiment also provides an electrical product including the above scroll compressor.
  • a scroll compressor according to the present embodiment includes a housing 11 , a crankshaft rotor assembly 12 , a stator assembly 13 , a movable scroll component 14 , a fixed scroll component 15 , and a frame 16 . .
  • the housing 11 is provided with a refrigerant inlet 17 for drawing refrigerant into the interior of the housing 11; the crank rotor assembly 12 and the stator assembly 13 are disposed in the housing 11.
  • the crankshaft rotor assembly 12 includes a rotor portion and The crankshaft portion, the rotor portion and the stator assembly 13 form a drive motor for driving the crankshaft portion to rotate.
  • the crankshaft includes a centering shaft portion and an eccentric shaft portion. The rotating shaft center of the centering shaft portion coincides with its own axis, and the rotating shaft center of the eccentric shaft portion is offset from its own axis, and the centering shaft portion drives the eccentric shaft portion to rotate.
  • the movable scroll member 14 is driven to move, and since the movable scroll member 14 and the fixed scroll member 15 form a compression chamber, the fixed scroll member 15 is provided with an air suction hole, and the refrigerant enters the compression chamber from the air suction hole.
  • the movable scroll member 14 is translated to change the volume of the compression chamber, thereby achieving compression of the refrigerant.
  • the frame 16 is disposed in the casing 11 and corresponds to the refrigerant inlet 17.
  • the side wall of the frame 16 is fixedly coupled to the inner wall of the housing 11, and the frame 16 divides the internal cavity of the housing 11 into separate upper and lower cavities 18, 19, and the frame 16 is sleeved in the centering portion. That is, the fixed mandrel portion does not drive the frame 16 to rotate.
  • the frame 16 is provided with a first baffle portion 20 for guiding the refrigerant to the upper cavity 18 at a position corresponding to the refrigerant inlet 17, and a body for penetrating the frame body 16 for connecting the upper cavity 18 and the lower cavity 19 Two baffles 21 .
  • the frame 16 is provided with a sump portion 27 and an oil guiding hole for guiding the oil in the sump portion 27 to the upper end surface of the frame 16; the outlet of the oil guiding hole is provided with oil capable of dispersing the oil leading from the oil guiding hole.
  • the outlet of the oil guiding hole is provided with oil capable of dispersing the oil leading from the oil guiding hole.
  • the refrigerant enters the inside of the casing 11 through the refrigerant inlet 17, and is detached by the first baffle portion 20 and flows to the cavity 18 in the casing 11 above the frame 16 for freedom.
  • the oil displacing device for dispersing the oil into droplets may be specifically configured as follows.
  • the oil squeezing device may be a slider 22 disposed on the lower end surface of the movable scroll member 14 and moving along with the scroll member 14. That is, the slider 22 is driven by the movable scroll member 14 to circulate and slide on the upper end surface of the frame 16, and the movement path of the slider 22 passes through the outlet of the oil guiding hole. After the oil guiding hole emerges from the oil, the slider 22 After passing through the outlet of the oil guiding hole, the oil can be broken into a droplet state.
  • the above slider 22 may be provided in a structure of a cross slip ring.
  • it can also be other structures, and it is only necessary to be able to fully disperse the oil.
  • the frame 16 and the housing 11 are in an interference fit, and the frame 16 is provided with a guide groove on the side corresponding to the refrigerant inlet 17 of the housing 11, and the longitudinal section of the guide groove
  • the edge shape is L-shaped, and the L-shaped guide groove constitutes the first baffle portion 20 described above.
  • the side surface 30 of the L-shaped guide groove is convex in order to ensure a good baffle effect.
  • the center portion of the side surface of the L-shaped guide groove should be aligned with the center of the refrigerant inlet 17 as much as possible, and
  • the L-shaped guide groove span should be larger than the diameter of the refrigerant inlet 17.
  • the L-shaped The top of the guide groove is flush with the bottom surface of the suction port 23 of the fixed scroll member, which is more advantageous for the suction member formed by the movable scroll member 14 and the fixed scroll member 15 to freely inhale.
  • a second baffle portion 21 is defined on the opposite side of the frame 16 and the refrigerant inlet 17 .
  • the second baffle portion 21 is a plurality of axially through the cutting edge of the frame 16 , and may also be several axially through the frame 16 . Round hole.
  • the second baffle portion 21 is formed directly opposite the frame 16 and the refrigerant inlet 17.
  • the compression member composed of the orbiting scroll member 14 and the fixed scroll member 15 is sufficiently inhaled and discharged.
  • a radial oil passage 24 and an axial oil passage 25 are formed in the frame 16, and a rubber plug 26 is provided at the joint of the radial oil passage 24 and the L-shaped guide groove, preferably, the axial oil passage 25
  • the outlet is facing the cross slip ring, and the lubricating oil flows from the oil pool portion 27 of the frame 16 into the radial oil passage 24 and enters the axial oil passage 25, and is broken by the cross slip ring movement so that the small oil droplets are in full contact with the suction. Increase the inhalation oil content.
  • the oil passage 25 is broken into droplets by the cross slip ring, and after being sufficiently contacted with the refrigerant above the frame 16, a part of the compression member composed of the movable scroll member 14 and the fixed scroll member 15 is sucked in, and a part is passed through the second baffle portion. 21 flows into the lower portion of the frame 16 to cool the drive motor. While not affecting the cooling of the motor, the inspiratory oil content is ensured, the suction inhalation is reduced, and the exhaust temperature is lowered.
  • the first baffle 20 can be specifically disposed as follows. Referring to FIG. 4 and FIG. 5, a sinking groove 28 is further disposed at the bottom of the L-shaped diversion groove. Both side walls of the sinking groove 28 are arc-shaped structures, and the sinking groove 28 is internally provided with a circular-shaped baffle plate 29.
  • the two ends of the sinking groove 28 intersect with the outer circle of the frame 16 as much as possible, and the distance between the intersection points should be larger than the outer diameter of the refrigerant inlet 17, the deflector 29 and the sinking groove 28 cooperate, and the deflector
  • the inner circle radius of 29 should be larger than the inner circle radius of the sinker 28, and the outer circle radius of the deflector 29 should be smaller than the outer circle radius of the sinker 28.
  • the axial center plane of the deflector 29 should be aligned with the center of the refrigerant inlet 17 as much as possible, and the deployment angle of the deflector 29 should be smaller than the deployment angle of the sinker 28, but not smaller than the sinker 28. Expand half of the angle.
  • the top height of the deflector 29 after being placed in the sinking groove 28 is as close as possible to the bottom surface of the suction port 23 of the fixed scroll member, which is more advantageous for the movable scroll member 14 and the fixed scroll member 15
  • the constituent compression components are free to inhale. So as to be provided, the first baffle portion 20 provided by the specific embodiment has a better baffle effect.
  • This embodiment also provides an electrical product, including a compressor, which is a scroll compressor as described in the above embodiments.
  • the electrical product provided by the specific embodiment may be specifically a refrigerator, an air conditioner, a hot water unit, etc., and the electrical product provided by the specific embodiment solves the stator of the suction driven mechanism of the scroll compressor.
  • the preheating of the assembly 13 causes a problem of elevated exhaust gas temperature.
  • the derivation process of the beneficial effect is substantially similar to the derivation process of the beneficial effects brought by the above scroll compressor, and therefore will not be described herein.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Compressor (AREA)

Abstract

一种涡旋压缩机包括壳体（11）；设置于壳体（11）内的曲轴转子组件（12）和定子组件（13）；设置于壳体（11）内、与冷媒入口（17）对应位置的机架（16），机架（16）将壳体（11）的内部空腔分隔成独立的上空腔（18）和下空腔（19）；机架（16）与冷媒入口（17）对应位置设有用于将冷媒导流至上空腔（18）的第一折流部（20），机架（16）设有将其贯穿、用于将上空腔（18）和下空腔（19）连通的第二折流部（21）；机架（16）设有导油孔，导油孔的出口处设有能够将油打散的打油装置。该涡旋压缩机，冷媒经冷媒入口（17）后进入涡旋压缩机的壳体（11）内，大部分的冷媒进入定涡旋部件的吸气口（23），另一部分冷却驱动机构定子组件（13），解决了涡旋压缩机的吸气被驱动机构定子组件预热使得排气温度升高的问题。 还包括一种包括该涡旋压缩机的电器产品。

Description

一种涡旋压缩机及包括该压缩机的电器产品
本申请要求于2015年11月23日提交中国专利局、申请号为201510822932.9、发明名称为“一种涡旋压缩机及包括该压缩机的电器产品”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及压缩机技术领域，尤其涉及一种涡旋压缩机及包括该压缩机的电器产品。
背景技术
涡旋压缩机主要由壳体、压缩机构、支撑机构、驱动机构、工作流体吸入管和工作流体排出管等部件组成。压缩机构由动涡旋部件和定涡旋部件组成。驱动机构包括定子组件和曲轴转子组件，曲轴转子组件的曲轴驱动动涡旋部件，由于动涡旋部件上设置有防自转机构，因此在曲轴的驱动作用下能够使得动涡旋部件相对于定涡旋部件做平动转动。由定涡旋部件的螺旋涡卷与动涡旋部件的螺旋涡卷限定成的压缩腔室容积逐渐变小，其中的制冷剂压力不断升高，从而经由工作流体吸入管吸入压缩腔室内的制冷剂被压缩并最终从涡旋部件中心处的排气口排出，并从工作流体排出管排出压缩机到外部制冷循环回路。由此实现制冷剂吸入、压缩、排出的工作循环过程。
现有涡旋压缩机冷媒气体的流向大部分有2种：
第一种，冷媒通过工作流体吸入管，进入壳体，并经过折流装置改变冷媒流向，使冷媒流向由沿径向转变为沿轴向向下流动。
第二种，冷媒通过工作流体吸入管，进入壳体后自由扩散。
以上两种流向均会使冷媒流体被驱动机构定子组件加热后才进入压缩机构，会造成吸气过热降低容积效率以及排气温度升高，在涡旋压缩机使用R32冷媒或其它具有排气温度较高特性冷媒情况下，会对压缩机效率及可靠性造成不良影响。
发明内容
本发明提供了一种涡旋压缩机，冷媒经冷媒入口后进入涡旋压缩机的壳体内，大部分的冷媒进入定涡旋部件的吸气口，另一部分冷却驱动机构定子组件，解决了涡旋压缩机的吸气被驱动机构定子组件预热使得排气温度升高的问题。本发明还提供了一种包括上述涡旋压缩机的电器产品。
本发明提供的一种涡旋压缩机，包括：
壳体，所述壳体设有用于将冷媒吸入至所述壳体内部的冷媒入口；
设置于所述壳体内的曲轴转子组件和定子组件，所述曲轴转子组件包括具有包括定心轴部和偏心轴部的曲轴；
由所述曲轴的偏心轴部带动的动涡旋部件、以及与所述动涡旋部件配合形成压缩腔的定涡旋部件；
设置于所述壳体内、与所述冷媒入口对应位置的机架，所述机架的侧壁与所述壳体的内壁固定连接，所述机架将所述壳体的内部空腔分隔成独立的上空腔和下空腔，且所述机架空套在所述定心轴部；所述机架与所述冷媒入口对应位置设有用于将冷媒导流至所述上空腔的第一折流部，所述机架设有将其贯穿、用于将上空腔和所述下空腔连通的第二折流部；所述机架设有油池部以及用于将所述油池部内的油导向所述机架的上端面的导油孔；所述导油孔的出口处设有能够将所述导油孔导出的油打散的打油装置。
优选地，所述打油装置为设置在所述动涡旋部件的下端面并随所述动涡旋部件一起运动的滑块，所述滑块与所述机架的上端面滑动配合，且所述滑块的运动轨迹经过所述导油孔的出口。
优选地，所述第一折流部和所述第二折流部分别设置在所述机架的两个正对面的位置。
优选地，所述第一折流部为设置在所述机架的侧壁的导流槽，所述导流槽的纵向切面的边缘形状为L型，且所述导流槽的侧面为凸向于所述机架的中心的圆弧面。
优选地，所述导流槽的宽度等于或大于所述冷媒入口的直径。
优选地，所述导流槽的侧面的中心部位与所述冷媒入口的中心部位对正。
优选地，所述导流槽的上端面与所述定涡旋部件的吸气口底面相平齐。
优选地，所述导流槽的底面设有沉槽，所述沉槽的两个侧壁均为圆弧结构，所述沉槽内插装有圆弧形的导流板。
优选地，所述导流板的内圆半径大于所述沉槽的内圆半径，所述导流板的外圆半径小于所述沉槽的外圆半径。
优选地，所述导流板的中心部位与所述冷媒入口的中心相对其，且所述导流板的展开角小于所述沉槽的展开角，且大于或等于所述沉槽的展开角的二分之一。
优选地，所述导流板的顶端与所述定涡旋部件的吸气口底面平齐。
本发明还提供了一种电器产品，包括压缩机，所述压缩机为如上任一项所述的涡旋压缩机。
本发明提供的一种涡旋压缩机，包括：
壳体，所述壳体设有用于将冷媒吸入至所述壳体内部的冷媒入口；
设置于所述壳体内的曲轴转子组件和定子组件，所述曲轴转子组件包括具有包括定心轴部和偏心轴部的曲轴；
由所述曲轴的偏心轴部带动的动涡旋部件、以及与所述动涡旋部件配合形成压缩腔的定涡旋部件；
设置于所述壳体内、与所述冷媒入口对应位置的机架，所述机架的侧壁与所述壳体的内壁固定连接，所述机架将所述壳体的内部空腔分隔成独立的上空腔和下空腔，且所述机架空套在所述定心轴部；所述机架与所述冷媒入口对应位置设有用于将冷媒导流至所述上空腔的第一折流部，所述机架设有将其贯穿、用于将上空腔和所述下空腔连通的第二折流部；所述机架设有油池部以及用于将所述油池部内的油导向所述机架的上端面的导油孔；所述导油孔的出口处设有能够将所述导油孔导出的油打散的打油装置。
如此设置，本发明提供的涡旋压缩机，冷媒通过冷媒入口进入到壳体内部，并通过第一折流部折流后流向机架上方的壳体上空腔中进行自由扩散，同时油从油池部内经过导油孔流出，打油装置将导油孔流出的油打散，形成油滴状态，与上空腔中的冷媒进行充分接触后，一部分由定涡旋部件的吸气口进入到由动 涡旋部件和定涡旋部件形成的压缩腔中，另一部分经过第二折流部的折流后进入到机架下方的下空腔中，用来冷却驱动电机。进而，在不影响电机冷却的同时，保证了吸气含油率，减小吸气过热，降低排气温度。
本发明还提供了一种包括上述涡旋压缩机的电器产品，该电器产品可以为空调、冰箱等具有压缩机的电器。如此设置，本发明提供的电器产品，其压缩机能够在不影响电机冷却的同时，保证了吸气含油率，减小吸气过热，降低排气温度。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明具体实施方式中压缩机内部示意图；
图2为本发明的第一种实施例中机架立体示意图；
图3为本发明的第一种实施例中压缩机的局部剖视图；
图4为本发明的第二种实施例中机架立体示意图；
图5为本发明的第二种实施例中机架未安装导流板时的剖视图。
图1-图5中：
壳体—11、曲轴转子组件—12、定子组件—13、动涡旋部件—14、定涡旋部件—15、机架—16、冷媒入口—17、上空腔—18、下空腔—19、第一折流部—20、第二折流部—21、滑块—22、定涡旋部件的吸气口—23、径向油通道—24、轴向油通道—25、橡胶塞—26、油池部—27、沉槽—28、导流板—29、导流槽 的侧面—30。
具体实施方式
本具体实施方式提供了一种涡旋压缩机，冷媒经冷媒入口后进入涡旋压缩机的壳体内，大部分的冷媒进入定涡旋部件的吸气口，另一部分冷却驱动机构定子组件，解决了涡旋压缩机的吸气被驱动机构定子组件预热使得排气温度升高的问题。本具体实施方式还提供了一种包括上述涡旋压缩机的电器产品。
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参考图1-图5，本具体实施方式提供的一种涡旋压缩机，包括壳体11、曲轴转子组件12、定子组件13、动涡旋部件14、定涡旋部件15以及机架16。
其中，壳体11设有用于将冷媒吸入至壳体11内部的冷媒入口17；曲轴转子组件12和定子组件13设置于壳体11内的，需要说明的是，曲轴转子组件12包括转子部分和曲轴部分，转子部分和定子组件13形成驱动电机，用于驱动曲轴部分转动。而曲轴包括定心轴部和偏心轴部，定心轴部的旋转轴心和其自身轴线重合，而偏心轴部的旋转轴心和其自身轴线相偏离，定心轴部带动偏心轴部转动，进而带动动涡旋部件14平动，由于动涡旋部件14和定涡旋部件15形成了压缩腔，定涡旋部件15设有吸气孔，冷媒从吸气孔进入到压缩腔后，动涡旋部件14平动使压缩腔的容积发生改变，进而实现冷媒的压缩。
机架16设置于壳体11内、并与所述冷媒入口17对应。机架16的侧壁与壳体11的内壁固定连接，机架16将壳体11的内部空腔分隔成独立的上空腔18和下空腔19，且机架16空套在定心轴部，即定心轴部不会带动机架16转动。
机架16与冷媒入口17对应位置设有用于将冷媒导流至上空腔18的第一折流部20，以及将机架16本体贯穿、用于将上空腔18和下空腔19连通的第二折流部21。机架16设有油池部27以及用于将油池部27内的油导向机架16的上端面的导油孔；导油孔的出口处设有能够将导油孔导出的油打散的打油装置。
如此设置，本发明提供的涡旋压缩机，冷媒通过冷媒入口17进入到壳体11内部，并通过第一折流部20折流后流向机架16上方的壳体11上空腔18中进行自由扩散，同时油从油池部27内经过导油孔流出，打油装置将导油孔流出的油打散，形成油滴状态，与上空腔18中的冷媒进行充分接触后，一部分由定涡旋部件的吸气口23进入到由动涡旋部件14和定涡旋部件15形成的压缩腔中，另一部分经过第二折流部21的折流后进入到机架16下方的下空腔19中，用来冷却驱动电机。进而，在不影响电机冷却的同时，保证了吸气含油率，减小吸气过热，降低排气温度。
需要说明的是，上述用于将油打散成液滴的打油装置可具体如下设置，打油装置可以为设置在动涡旋部件14的下端面并随动涡旋部件14一起运动的滑块22，即该滑块22由动涡旋部件14驱动在机架16的上端面进行循环滑动，而且滑块22的运动轨迹经过导油孔的出口，当导油孔冒出油之后，滑块22经过导油孔的出口处，即可将油打散成液滴状态。
为了能够充分地将油打散，上述滑块22可以设置成十字滑环的结构。当然，也可为其它结构，只需能够将油充分打散即可。
下面将结合两种具体实施例对本方案进行详细说明。首先，请参考图2和图3，机架16与壳体11为过盈配合，机架16与壳体11的冷媒入口17对应侧设有导流槽，且该导流槽的纵向切面的边缘形状为L型，该L型的导流槽即构成了上述的第一折流部20，需要说明的是，为了保证良好的折流效果，该L型的导流槽的侧面30为凸向于机架16的中心的圆弧面。
另外，该L型的导流槽位置不能干涉十字滑环的运动，为了进一步保证良好的折流效果，该L型的导流槽的侧面的中心部位应尽量与冷媒入口17的中心对齐，且L型的导流槽跨距应大于冷媒入口17的直径。优选地，该L型的 导流槽顶部与定涡旋部件的吸气口23底面尽量平齐，更加有利于由动涡旋部件14和定涡旋部件15形成的压缩部件自由吸气。
在机架16与冷媒入口17的相对侧开设第二折流部21，第二折流部21为几个轴向贯通机架16的切边，也可以为几个轴向贯通机架16的圆孔。优选地，第二折流部21开设在机架16与冷媒入口17的正对面。使得动涡旋部件14和定涡旋部件15组成的压缩部件充分吸气后排出。
另外，在机架16开设一径向油通道24和一个轴向油通道25，在径向油通道24与L型的导流槽的连接处有一橡胶塞26，优选地，轴向油通道25的出口正对十字滑环，润滑油从机架16的油池部27流入径向油通道24后进入轴向油通道25，经十字滑环运动打散为小油液滴与吸气充分接触，提高吸气含油率。
冷媒通过冷媒入口17进入壳体11内，通过机架16上的L型的导流槽折流后流向机架16上方自由扩散，同时油从油池部27引入经由径向油通道24、轴向油通道25，经十字滑环打散为液滴，与机架16上方冷媒充分接触后，一部分由动涡旋部件14和定涡旋部件15组成的压缩部件吸入，一部分经第二折流部21流入机架16下方，冷却驱动电机。在不影响电机冷却的同时，保证了吸气含油率，减小吸气过热，降低排气温度。
在本发明提供的第二种具体实施例中，第一折流部20可具体如下述设置，请参考图4和图5，在上述L型的导流槽的底部进一步设置一个沉槽28，沉槽28的两个侧壁均为圆弧结构，沉槽28内插装有圆弧形的导流板29。
为加工及装配简单，该沉槽28的两端尽量与机架16外圆相交，相交点之间的距离应大于冷媒入口17的外径，导流板29与沉槽28配合，导流板29内圆半径应大于沉槽28的内圆半径，导流板29的外圆半径应小于沉槽28的外圆半径。
为保证良好的折流效果，导流板29的轴向中心面应尽量与冷媒入口17的中心对齐，导流板29的展开角应小于沉槽28的展开角度，但不能小于沉槽28的展开角度的一半。导流板29放入沉槽28后的顶部高度尽量与定涡旋部件的吸气口23底面尽量平齐，更加有利于由动涡旋部件14和定涡旋部件15 组成的压缩部件自由吸气。如此设置，本具体实施例提供的第一折流部20具有更好的折流效果。
本具体实施方式还提供了一种电器产品，包括压缩机，该压缩机为如上具体实施方式所述的涡旋压缩机。需要说明的是，本具体实施方式提供的电器产品可以具体为冰箱、空调、热水机组等，如此设置，本具体实施方式提供的电器产品，解决了涡旋压缩机的吸气被驱动机构定子组件13预热使得排气温度升高的问题。该有益效果的推导过程与上述涡旋压缩机所带来的有益效果的推导过程大体类似，故本文不再赘述。
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (12)

  1. 一种涡旋压缩机，其特征在于，包括：
    壳体(11)，所述壳体(11)设有用于将冷媒吸入至所述壳体(11)内部的冷媒入口(17)；
    设置于所述壳体(11)内的曲轴转子组件(12)和定子组件(13)，所述曲轴转子组件(12)包括具有包括定心轴部和偏心轴部的曲轴；
    由所述曲轴的偏心轴部带动的动涡旋部件(14)、以及与所述动涡旋部件(14)配合形成压缩腔的定涡旋部件(15)；
    设置于所述壳体(11)内、与所述冷媒入口(17)对应位置的机架(16)，所述机架(16)的侧壁与所述壳体(11)的内壁固定连接，所述机架(16)将所述壳体(11)的内部空腔分隔成独立的上空腔(18)和下空腔(19)，且所述机架(16)空套在所述定心轴部；所述机架(16)与所述冷媒入口(17)对应位置设有用于将冷媒导流至所述上空腔(18)的第一折流部(20)，所述机架(16)设有将其贯穿、用于将上空腔(18)和所述下空腔(19)连通的第二折流部(21)；所述机架(16)设有油池部(27)以及用于将所述油池部(27)内的油导向所述机架(16)的上端面的导油孔；所述导油孔的出口处设有能够将所述导油孔导出的油打散的打油装置。
  2. 如权利要求1所述的涡旋压缩机，其特征在于，所述打油装置为设置在所述动涡旋部件(14)的下端面并随所述动涡旋部件(14)一起运动的滑块(22)，所述滑块(22)与所述机架(16)的上端面滑动配合，且所述滑块(22)的运动轨迹经过所述导油孔的出口。
  3. 如权利要求1所述的涡旋压缩机，其特征在于，所述第一折流部(20)和所述第二折流部(21)分别设置在所述机架(16)的两个正对面的位置。
  4. 如权利要求1所述的涡旋压缩机，其特征在于，所述第一折流部(20)为设置在所述机架(16)的侧壁的导流槽，所述导流槽的纵向切面的边缘形状为L型，且所述导流槽的侧面(30)为凸向于所述机架(16)的中心的圆弧面。
  5. 如权利要求4所述的涡旋压缩机，其特征在于，所述导流槽的宽度等于或大于所述冷媒入口(17)的直径。
  6. 如权利要求4所述的涡旋压缩机，其特征在于，所述导流槽的侧面(30)的中心部位与所述冷媒入口(17)的中心部位对正。
  7. 如权利要求4所述的涡旋压缩机，其特征在于，所述导流槽的上端面与所述定涡旋部件的吸气口(23)底面相平齐。
  8. 如权利要求4所述的涡旋压缩机，其特征在于，所述导流槽的底面设有沉槽(28)，所述沉槽(28)的两个侧壁均为圆弧结构，所述沉槽(28)内插装有圆弧形的导流板(29)。
  9. 如权利要求8所述的涡旋压缩机，其特征在于，所述导流板(29)的内圆半径大于所述沉槽(28)的内圆半径，所述导流板(29)的外圆半径小于所述沉槽(28)的外圆半径。
  10. 如权利要求9所述的涡旋压缩机，其特征在于，所述导流板(29)的中心部位与所述冷媒入口(17)的中心相对其，且所述导流板(29)的展开角小于所述沉槽(28)的展开角，且大于或等于所述沉槽(28)的展开角的二分之一。
  11. 如权利要求10所述的涡旋压缩机，其特征在于，所述导流板(29)的顶端与所述定涡旋部件的吸气口(23)底面平齐。
  12. 一种电器产品，包括压缩机，其特征在于，所述压缩机为如权利要求1-11任一项所述的涡旋压缩机。
PCT/CN2016/099521 2015-11-23 2016-09-21 一种涡旋压缩机及包括该压缩机的电器产品 WO2017088570A1 (zh)

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