CN108035879B - Enthalpy increasing structure of compressor and scroll compressor - Google Patents

Enthalpy increasing structure of compressor and scroll compressor Download PDF

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Publication number
CN108035879B
CN108035879B CN201711475971.1A CN201711475971A CN108035879B CN 108035879 B CN108035879 B CN 108035879B CN 201711475971 A CN201711475971 A CN 201711475971A CN 108035879 B CN108035879 B CN 108035879B
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China
Prior art keywords
pressure
valve
valve seat
compressor
exhaust
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CN108035879A (en
Inventor
杨泽宇
汪波
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Guangdong Cenzell New Energy Technology Co ltd
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Guangdong Cenzell New Energy Technology Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/02Rotary-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
    • F04C18/0207Rotary-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
    • F04C18/0215Rotary-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/12Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F04C29/124Arrangements 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

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

Abstract

The invention provides an enthalpy increasing structure of a compressor, which comprises a fixed scroll, a fixed scroll and a fixed scroll, wherein the fixed scroll is provided with a valve seat mounting hole and an exhaust hole positioned at one side of the valve seat mounting hole; the exhaust valve is arranged on the fixed scroll and corresponds to the exhaust hole; a pressure valve assembly disposed in the valve seat mounting hole; the top cover is hermetically connected with the fixed scroll, and is provided with an exhaust cavity and a pressure cavity, wherein the exhaust cavity corresponds to the exhaust valve, and the pressure cavity corresponds to the pressure valve assembly; and one end of the enthalpy-increasing pipe penetrates through the top cover and is communicated with the pressure cavity. The invention provides an enthalpy-increasing structure of a compressor, and also discloses a scroll compressor with the enthalpy-increasing structure of the compressor, which improves the heating capacity of the scroll compressor under the low-temperature heating condition, improves the performance of the compressor, can effectively reduce the influence of the clearance volume of the scroll compressor, improves the volumetric efficiency and performance of the scroll compressor, and has the advantages of simple design, high reliability and easy assembly.

Description

Enthalpy increasing structure of compressor and scroll compressor
Technical Field
The invention relates to the technical field of refrigeration, in particular to an enthalpy-increasing structure of a compressor and a scroll compressor.
Background
As shown in fig. 1 and 2, the conventional scroll compressor has a movable scroll 21 and a fixed scroll 22 as components, and a refrigerant enters a scroll suction chamber 212 from a scroll suction port 211, is compressed by a compression chamber 222 to reach a discharge chamber 223, and is discharged through a fixed scroll discharge port 224. When the existing scroll compressor runs under the condition that the heating working condition is low in outdoor temperature particularly in winter, the phenomenon that the heating quantity is seriously attenuated can occur, and the comfort perceived by a human body is reduced
Disclosure of Invention
In order to solve the above problems, the present invention provides an enthalpy increasing structure of a compressor, which includes a fixed scroll having a valve seat mounting hole and an exhaust hole at one side of the valve seat mounting hole; the exhaust valve is arranged on the fixed scroll and corresponds to the exhaust hole; a pressure valve assembly disposed in the valve seat mounting hole; the top cover is hermetically connected with the fixed scroll, and is provided with an exhaust cavity and a pressure cavity, wherein the exhaust cavity corresponds to the exhaust valve, and the pressure cavity corresponds to the pressure valve assembly; and one end of the enthalpy-increasing pipe penetrates through the top cover and is communicated with the pressure cavity.
According to an embodiment of the present invention, the valve seat mounting hole includes a pressure channel and a receiving groove that are mutually communicated, the diameter of the receiving groove is larger than that of the pressure channel, and a step surface is provided between the pressure channel and the receiving groove.
According to an embodiment of the present invention, the pressure valve assembly includes a valve seat, a pressure valve plate and a spring, wherein the valve seat is disposed in the accommodating groove, one end of the valve seat corresponds to the pressure channel, the pressure valve plate and the spring are sequentially sleeved on the valve seat, one end of the spring abuts against the pressure valve plate, and the other end of the spring abuts against the step surface.
According to one embodiment of the present invention, the valve seat includes a valve seat base body and a valve plate guiding tube, the valve seat base body has at least one injection channel, the at least one injection channel is communicated with the pressure cavity, one end of the valve plate guiding tube is connected with the valve seat base body, the other end of the valve plate guiding tube is inserted into the pressure channel, the valve plate guiding tube has an injection outlet, and the pressure valve plate and the spring are sequentially sleeved on the valve plate guiding tube.
According to an embodiment of the present invention, the depth of the valve plate guiding tube inserted into the pressure channel is greater than 0.5 mm.
According to an embodiment of the present invention, the pressure valve assembly includes a valve seat, a pressure valve plate and a spring, wherein the valve seat, the pressure valve plate and the spring are sequentially stacked in the accommodating groove, and one end of the spring abuts against the step surface.
According to an embodiment of the present invention, the center of the valve seat has an injection passage, and the injection passage communicates with the pressure chamber.
According to an embodiment of the invention, the pressure valve plate has at least one valve plate channel corresponding to the injection channel.
According to an embodiment of the present invention, the pressure valve assembly includes a valve seat, a valve core and a spring, wherein the valve seat is disposed in the accommodating groove, the valve seat has a valve seat groove, and the valve core and the spring are disposed in the valve seat groove.
In yet another aspect, the present invention provides a scroll compressor including the enthalpy increasing structure of the compressor of any of the above technical features.
The beneficial effects of the invention are as follows: the invention provides an enthalpy-increasing structure of a compressor, and also discloses a scroll compressor with the enthalpy-increasing structure of the compressor, which improves the heating capacity of the scroll compressor under the low-temperature heating condition, improves the performance of the compressor, can effectively reduce the influence of the clearance volume of the scroll compressor, improves the volumetric efficiency and performance of the scroll compressor, and has the advantages of simple design, high reliability and easy assembly.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
fig. 1 is a schematic view illustrating a structure of a gas flow passage of a related art scroll compressor of the present invention.
Fig. 2 is another structural schematic view of a gas flow passage of a prior art scroll compressor of the present invention.
Fig. 3 is a schematic structural view of an enthalpy increasing structure according to an embodiment of the present invention.
Fig. 4 is a schematic cross-sectional view of an enthalpy increasing structure according to an embodiment of the present invention.
Fig. 5 is a schematic cross-sectional view of a top cover according to an embodiment of the present invention.
Fig. 6 is a schematic structural view of a pressure valve assembly according to an embodiment of the present invention.
Fig. 7 is an enlarged view of a portion of fig. 2 in accordance with an embodiment of the present invention.
Fig. 8 is another schematic cross-sectional view of an enthalpy increasing structure according to an embodiment of the invention.
Fig. 9 is an enlarged view of a portion of fig. 8 in accordance with an embodiment of the present invention.
Fig. 10 is a schematic structural view of a pressure valve assembly according to another embodiment of the present invention.
Fig. 11 is a cross-sectional view showing connection of a pressure valve assembly and a fixed scroll according to another embodiment of the present invention.
Fig. 12 is an enlarged view of a portion of fig. 11 in accordance with another embodiment of the present invention.
Fig. 13 is another connection sectional view of a pressure valve assembly and a fixed scroll according to another embodiment of the present invention.
Fig. 14 is an enlarged view of a portion of fig. 13 in accordance with another embodiment of the present invention.
Fig. 15 is a schematic structural view of a pressure valve assembly according to still another embodiment of the present invention.
Fig. 16 is a cross-sectional view showing a connection between a pressure valve assembly and a fixed scroll according to still another embodiment of the present invention.
Fig. 17 is an enlarged view of a portion of fig. 16 in accordance with yet another embodiment of the present invention.
Fig. 18 is another connection sectional view of a pressure valve assembly and a fixed scroll according to still another embodiment of the present invention.
Fig. 19 is an enlarged view of a portion of fig. 18 in accordance with yet another embodiment of the present invention.
Fig. 20 is a schematic view showing a structure of a scroll compressor according to an embodiment of the present invention.
Detailed Description
Various embodiments of the invention are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the invention. That is, in some embodiments of the invention, these practical details are unnecessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.
The terms "first," "second," and the like, as used herein, do not denote a particular order or sequence, nor are they intended to limit the invention, but rather are merely used to distinguish one element or operation from another in the same technical term.
Referring to fig. 3, fig. 4 and fig. 5, fig. 3 and fig. 4 are a schematic structural view and a schematic sectional view of an enthalpy increasing structure 1 according to an embodiment of the invention, respectively, and fig. 5 is a schematic sectional view of a top cover 14 according to an embodiment of the invention; as shown in the figure, the enthalpy increasing structure 1 of the compressor comprises a fixed scroll 11, an exhaust valve 12, a pressure valve assembly 13, a top cover 14 and an enthalpy increasing pipe 15. The fixed scroll 11 has a valve seat mounting hole 111 and an exhaust hole 112, and the exhaust hole 112 is located at one side of the valve seat mounting hole 111. The exhaust valve 12 is screwed on the fixed scroll 11 through a screw 121, and the exhaust valve 12 corresponds to the exhaust hole 112. The pressure valve assembly 13 is disposed in the valve seat mounting hole 111. The top cover 14 is in sealing connection with the fixed scroll 11, and the top cover 14 is provided with an exhaust cavity 141 and a pressure cavity 142, wherein the exhaust cavity 141 corresponds to the exhaust valve 12, and the pressure cavity 142 corresponds to the pressure valve assembly 13. One end of the enthalpy-increasing pipe 15 penetrates the top cover 14 to communicate with the pressure chamber 142. In the present embodiment, the cross-sectional shape of the enthalpy-increasing tube 15 is circular, however, the cross-sectional shape of the enthalpy-increasing tube 15 may be other, and will not be described herein.
When the compressor is in a cooling operation, the pressure valve assembly 13 is in a closed state, and the air flow of the compressor flows from the discharge chamber 141 to the discharge valve 12 and then is discharged from the discharge port of the compressor. When the compressor is in heating operation, at the moment, the air flow pressure of the pressure cavity 142 is greater than the air flow pressure of the compression cavity 113 of the compressor, the air flow of the pressure cavity 142 pushes the pressure valve assembly 13 open, at the moment, the pressure valve assembly 13 is in an open state, and the air flow of the pressure cavity 142 enters the compression cavity 113 through the pressure valve assembly 13, so that enthalpy increase of the compressor is realized. When the air flow pressure of the pressure chamber 142 is smaller than that of the compression chamber 113, the pressure valve assembly 13 is closed by itself.
In the present embodiment, the valve seat mounting hole 111 includes a pressure passage 1111 and a receiving groove 1112 that communicate with each other. The diameter of the accommodating groove 1112 is larger than that of the pressure channel 1111, and a step surface 1113 is provided between the pressure channel 1111 and the accommodating groove 1112. Referring to fig. 6, a schematic diagram of a pressure valve assembly 13 according to an embodiment of the invention is shown. As shown, the pressure valve assembly 13 includes a valve seat 131, a pressure valve plate 132, and a spring 133. The valve seat 131 is disposed in the accommodating groove 1112, one end of the valve seat 131 corresponds to the pressure channel 1111, the pressure valve plate 132 and the spring 133 are sequentially sleeved on the valve seat 131, one end of the spring 133 abuts against the pressure valve plate 132, and the other end of the spring 133 abuts against the step surface 1113.
The valve seat 131 includes a valve seat base 1311 and a valve plate guide tube 1312. The valve seat body 1311 has at least one injection channel 13111, the at least one injection channel 13111 is communicated with the pressure cavity 142, one end of the valve plate guide tube 1312 is connected with the valve seat body 1311, the other end of the valve plate guide tube 1312 is inserted into the pressure channel 1111, the side wall of the valve plate guide tube 1312 has an injection outlet 13121, and the pressure valve plate 132 and the spring 133 are sequentially sleeved on the valve plate guide tube 1312. Referring also to fig. 7, a partial enlarged view of fig. 2 is shown according to an embodiment of the present invention. As shown, the pressure valve assembly 13 is initially in a closed state, the spring 133 is in a natural extended state, the pressure valve plate 132 abuts the sidewall of the valve seat body 1311, and at this time, the pressure valve plate 132 blocks at least one injection passage 13111. Referring to fig. 8 and 9 together, fig. 8 is another schematic cross-sectional view of the enthalpy increasing structure 1 according to an embodiment of the invention, and fig. 9 is a partial enlarged view of fig. 8 according to an embodiment of the invention. As shown in the figure, when the compressor is in heating operation, the air flow pressure of the pressure chamber 142 is greater than the air flow pressure of the compression chamber 113 of the compressor, the air flow of the pressure chamber 142 pushes the pressure valve plate 132 to move downwards to compress the spring 133, the pressure valve plate 132 moves downwards to the position below the injection outlet 13121, at this time, the air flow of the pressure chamber 142 enters the valve plate guide tube 1312 through the injection outlet 13121, flows to the pressure channel 1111 through the valve plate guide tube 1312, and finally flows into the compression chamber 113, so as to realize enthalpy increase of the compressor; when the air pressure of the pressure chamber 142 is smaller than the air pressure of the compression chamber 113, the pressure valve plate 132 returns to the initial position under the action of the self-elasticity of the spring 133, and the pressure valve plate 132 blocks at least one injection channel 13111, and the pressure valve assembly 13 is in the closed state.
As mentioned above, the valve plate guide tube 1312 is inserted into the pressure channel 1111 to a depth of more than 0.5 mm. The valve block guide tube 1312 is inserted into the pressure channel 1111 to a depth greater than 0.5 mm so that the spring 133 is sleeved on the valve block guide tube 1312 to be stable, and the valve block 132 and the spring 133 are prevented from sliding out of the valve block guide tube 1312, so that the function of the pressure valve assembly 13 is disabled, and the use of the compressor is further affected.
Referring to fig. 10 and 11 together, fig. 10 is a schematic structural view of a pressure valve assembly 13 according to another embodiment of the present invention, and fig. 11 is a cross-sectional view of a connection between the pressure valve assembly 13 and a fixed scroll 11 according to another embodiment of the present invention. As shown in the drawing, in the present embodiment, the fixed scroll 11, the exhaust valve 12, the top cover 14 and the enthalpy-increasing pipe 15 are identical to the fixed scroll 11, the exhaust valve 12, the top cover 14 and the enthalpy-increasing pipe 15 of the above embodiment in structure and operation principle, and the difference between them is that the pressure valve assembly 13 of the present embodiment includes a valve seat 131, a pressure valve plate 132 and a spring 133. The valve seat 131, the pressure valve plate 132 and the spring 133 are sequentially stacked in the accommodating groove 1112, and one end of the spring 133 abuts against the step surface 1113. The valve seat 131 has an injection passage 1311 at the center thereof, and the injection passage 1311 communicates the pressure chamber 142 with the accommodation groove 1112. And, the pressure valve plate 132 has at least one valve plate passage 1321 corresponding to the injection passage 1311. Referring again to fig. 12, there is shown an enlarged view of a portion of fig. 11 in accordance with another embodiment of the present invention. As shown in the drawing, in this embodiment, the pressure valve assembly 13 is initially in a closed state, the spring 133 is in a natural extended state, the pressure valve plate 132 abuts against the inner sidewall of the accommodating groove 1112, and at this time, the pressure valve plate 132 blocks the injection channel 1311; referring again to fig. 13 and 14, fig. 13 is another cross-sectional view of another embodiment of the present invention showing the connection between the pressure valve assembly 13 and the fixed scroll 11, which is a partially enlarged view of fig. 13 according to another embodiment of the present invention; as shown in the figure, when the compressor is in heating operation, the air flow pressure of the pressure chamber 142 is greater than the air flow pressure of the compression chamber 113 of the compressor, the air flow of the pressure chamber 142 pushes the pressure valve plate 132 to move downwards to compress the spring 133, the pressure valve plate 132 moves downwards, at this time, the air flow of the pressure chamber 142 enters the accommodating groove 1112 through the injection channel 1311, flows to the pressure channel 1111 through at least one valve plate channel 1321, and finally flows into the compression chamber 113, so as to realize enthalpy increase of the compressor; when the air flow pressure of the pressure chamber 142 is smaller than the air flow pressure of the compression chamber 113, the pressure valve plate 132 is restored to the initial position under the action of the self-elasticity of the spring 133, and the pressure valve plate 132 seals the injection channel 1311, so that the pressure valve assembly 13 is in a closed state.
Referring to fig. 15 and 16 together, fig. 15 is a schematic structural view of a pressure valve assembly 13 according to still another embodiment of the present invention, and fig. 16 is a cross-sectional view of a connection between the pressure valve assembly 13 and a fixed scroll 11 according to still another embodiment of the present invention. As shown in the drawing, in the present embodiment, the fixed scroll 11, the exhaust valve 12, the top cover 14 and the enthalpy-increasing pipe 15 are identical to the structures and the operation principles of the fixed scroll 11, the exhaust valve 12, the top cover 14 and the enthalpy-increasing pipe 15 of the above embodiment, and the pressure valve assembly 13 is different from the pressure valve assembly 13 of the above embodiment in that the pressure valve assembly 13 of the present embodiment includes the valve seat 131, the valve core 132 and the spring 133, the valve seat 131 is disposed in the accommodating groove 1112, the valve seat 131 has a valve seat groove 1311, the outlet of the valve seat groove 1311 is communicated with the compression chamber 113, the inlet of the valve seat groove 1311 is communicated with the pressure chamber 142, and the sidewall of the valve seat groove 1311 has a valve seat groove through hole 1312, the valve core 132 and the spring 133 are disposed in the valve seat groove 1311, and one end of the spring 133 abuts against the outlet inner wall of the valve seat groove 1311. The valve core 132 includes a sealing portion 1321 and a connecting portion 1322, the sealing portion 1321 corresponds to an inlet of the valve seat groove 1311, the spring 133 is sleeved on the connecting portion 1322, and the spring 133 abuts against a bottom of the connecting portion 1322. Referring again to fig. 17, there is shown an enlarged view of a portion of fig. 16 in accordance with yet another embodiment of the present invention; as shown, in this embodiment, the pressure valve assembly 13 is initially in a closed state, the spring 133 is in a natural extended state, the pressure valve plate 132 abuts against the inner sidewall at the outlet of the accommodating groove 1112, and at this time, the sealing portion 1321 seals the inlet of the valve seat groove 1311;
referring again to fig. 18 and 19, fig. 18 is another cross-sectional view showing the connection between the pressure valve assembly 13 and the fixed scroll 11 according to still another embodiment of the present invention, and fig. 19 is a partially enlarged view of fig. 18 according to still another embodiment of the present invention; as shown in the figure, when the compressor is in heating operation, the air flow pressure of the pressure cavity 142 is greater than the air flow pressure of the compression cavity 113 of the compressor, the air flow of the pressure cavity 142 pushes the pressure valve plate 132 to move downwards to compress the spring 133, the pressure valve plate 132 moves downwards, at this time, the sealing part 1321 releases the inlet of the valve seat groove 1311, the air flow of the pressure cavity 142 enters the valve seat groove 1311 through the inlet of the valve seat groove 1311, flows into the accommodating groove 1112 through the valve seat groove through hole 1312 on the side wall of the valve seat groove 1311, and finally flows into the compression cavity 113 through the pressure channel 1111 to realize enthalpy increase of the compressor; when the air flow pressure of the pressure chamber 142 is smaller than that of the compression chamber 113, the pressure valve plate 132 is under the action of the self-elasticity of the spring 133, and the sealing portion 1321 returns to the initial position of sealing the inlet of the valve seat groove 1311, and the pressure valve assembly 13 is in the closed state. In the present embodiment, the end surface of the sealing portion 1321 is spherical, so that the gap between the sealing portion 1321 and the valve seat groove 1311 is further reduced, the sealing performance of the pressure valve assembly 13 is improved, and the volume loss due to the pressure valve assembly 13 is reduced.
Referring to fig. 20, a schematic diagram of a scroll compressor according to an embodiment of the present invention is shown. As shown, a further aspect of the present invention provides a scroll compressor comprising the enthalpy increasing structure 1 described in the above embodiment.
In summary, according to one or more embodiments of the present invention, the present invention provides an enthalpy-increasing structure of a compressor, and also discloses a scroll compressor with the enthalpy-increasing structure of the compressor, which improves the heating capacity of the scroll compressor under the low-temperature heating condition, and improves the performance of the compressor.
The foregoing is merely exemplary embodiments of the present invention and is not intended to limit the present invention. Various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principles of the present invention, should be included in the scope of the claims of the present invention.

Claims (3)

1. An enthalpy increasing structure of a compressor, comprising;
a fixed scroll having a valve seat mounting hole and an exhaust hole at one side of the valve seat mounting hole;
the exhaust valve is arranged on the fixed scroll and corresponds to the exhaust hole;
a pressure valve assembly provided to the valve seat mounting hole;
the top cover is in sealing connection with the fixed scroll, and is provided with an exhaust cavity and a pressure cavity, the exhaust cavity corresponds to the exhaust valve, and the pressure cavity corresponds to the pressure valve assembly; and
one end of the enthalpy-increasing pipe penetrates through the top cover and is communicated with the pressure cavity;
the valve seat mounting hole comprises a pressure channel and a containing groove which are communicated with each other, the diameter of the containing groove is larger than that of the pressure channel, and a step surface is arranged between the pressure channel and the containing groove;
the pressure valve assembly comprises a valve seat, a pressure valve plate and a spring, wherein the valve seat is arranged in the accommodating groove, one end of the valve seat corresponds to the pressure channel, the pressure valve plate and the spring are sequentially sleeved on the valve seat, one end of the spring is abutted against the pressure valve plate, and the other end of the spring is abutted against the step surface;
the valve seat comprises a valve seat base body and a valve plate guide pipe, wherein the valve seat base body is provided with at least one injection channel, the at least one injection channel is communicated with the pressure cavity, one end of the valve plate guide pipe is connected with the valve seat base body, the other end of the valve plate guide pipe is inserted into the pressure channel, the side wall of the valve plate guide pipe is provided with an injection outlet, and the pressure valve plate and the spring are sequentially sleeved on the valve plate guide pipe;
the exhaust valve is arranged on the fixed scroll through a screw.
2. The enthalpy increasing structure of the compressor according to claim 1, wherein the valve sheet guide tube is inserted into the pressure passage to a depth of more than 0.5 mm.
3. A scroll compressor comprising the enthalpy increasing structure of the compressor according to any one of claims 1 to 2.
CN201711475971.1A 2017-12-29 2017-12-29 Enthalpy increasing structure of compressor and scroll compressor Active CN108035879B (en)

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Application Number Priority Date Filing Date Title
CN201711475971.1A CN108035879B (en) 2017-12-29 2017-12-29 Enthalpy increasing structure of compressor and scroll compressor

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CN108035879B true CN108035879B (en) 2023-08-22

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110131171B (en) * 2019-06-12 2024-03-15 安徽省锦瑞汽车部件有限公司 Air supplementing enthalpy increasing component and scroll compressor for new energy automobile
CN110905805A (en) * 2019-11-14 2020-03-24 珠海格力节能环保制冷技术研究中心有限公司 Compressor and air conditioner

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1092406A (en) * 1964-11-20 1967-11-22 Gratzmuller Jean Louis Evacuating valve assembly for a hydraulic jack
DE10344593A1 (en) * 2003-09-25 2005-04-28 Bosch Gmbh Robert Backflow throttle valve
CN102865228A (en) * 2012-09-06 2013-01-09 安徽东升机电有限责任公司 Heat pump type air conditioner compressor of electric automobile
CN204344467U (en) * 2014-12-18 2015-05-20 珠海格力节能环保制冷技术研究中心有限公司 Fixed scroll assembly and there is its scroll compressor
CN204386842U (en) * 2014-12-30 2015-06-10 北京普发兴业动力科技发展有限责任公司 Hydraulic substation low frequency one-way valve
CN206770684U (en) * 2017-03-11 2017-12-19 信泰阀门有限公司 A kind of Vertical Lift Check Valves
CN208380851U (en) * 2017-12-29 2019-01-15 广东兴泽尔新能源科技有限公司 The increasing enthalpy structure and screw compressor of compressor

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1092406A (en) * 1964-11-20 1967-11-22 Gratzmuller Jean Louis Evacuating valve assembly for a hydraulic jack
DE10344593A1 (en) * 2003-09-25 2005-04-28 Bosch Gmbh Robert Backflow throttle valve
CN102865228A (en) * 2012-09-06 2013-01-09 安徽东升机电有限责任公司 Heat pump type air conditioner compressor of electric automobile
CN204344467U (en) * 2014-12-18 2015-05-20 珠海格力节能环保制冷技术研究中心有限公司 Fixed scroll assembly and there is its scroll compressor
CN204386842U (en) * 2014-12-30 2015-06-10 北京普发兴业动力科技发展有限责任公司 Hydraulic substation low frequency one-way valve
CN206770684U (en) * 2017-03-11 2017-12-19 信泰阀门有限公司 A kind of Vertical Lift Check Valves
CN208380851U (en) * 2017-12-29 2019-01-15 广东兴泽尔新能源科技有限公司 The increasing enthalpy structure and screw compressor of compressor

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