CN103967801A - Compressor, pump body assembly and high-pressure cylinder of pump body assembly - Google Patents
Compressor, pump body assembly and high-pressure cylinder of pump body assembly Download PDFInfo
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- CN103967801A CN103967801A CN201310047124.0A CN201310047124A CN103967801A CN 103967801 A CN103967801 A CN 103967801A CN 201310047124 A CN201310047124 A CN 201310047124A CN 103967801 A CN103967801 A CN 103967801A
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Abstract
The invention discloses a high-pressure cylinder which comprises a high-pressure cylinder body (1); the high-pressure cylinder body (1) is provided with a corresponding channel (2) aligned to an intermediate runner on a pump body partitioning plate and an air inlet channel (3) used for communicating an inner cavity of the high-pressure cylinder body (1) and the corresponding channel (2); an opening of the air inlet channel (3) is formed in the inner wall of the high-pressure cylinder body (1). According to a high-pressure air sucking structure of the high-pressure cylinder disclosed by the invention, the generated inclination degree of a roller in the high-pressure cylinder in a running process is reduced, and the wear degree between the roller and the inner wall of the high-pressure cylinder body and the wear degree between the roller and a sliding piece are greatly reduced, so that the service life of a high-pressure compression part is prolonged, and thus the reliability of a compressor is improved. The invention also discloses a pump body assembly provided with the high-pressure cylinder and the compressor.
Description
Technical field
The present invention relates to refrigerant compression equipment technical field, relate in particular to a kind of high-pressure cylinder.The invention still further relates to a kind of pump assembly and compressor with above-mentioned high-pressure cylinder.
Background technique
Rotor-type compressor, as one type of compressor, is used in air conditioner or heat pump water heater.For improving low-temperature heating capacity and high-temperature refrigeration amount, adopt Dual-level enthalpy adding compressor more, cylinder is two, is respectively low pressure (LP) cylinder and high-pressure cylinder, and adopts increasing enthalpy technology, realizes two stage compression, improves compression performance.
Take Dual-level enthalpy adding compressor as example, and its concrete working principle is as follows:
Dual-level enthalpy adding compressor comprises high-pressure cylinder, low pressure (LP) cylinder and is arranged at pump partition plate between the two, the suction port of low pressure (LP) cylinder is connected with the inlet end of compressor, the suction port of gas process low pressure (LP) cylinder enters low pressure (LP) cylinder and carries out first order compression, gas after compression, again through increasing after enthalpy process, carries out second level compression in the suction port inflow high-pressure cylinder through the intermediate flow channel on pump partition plate by high-pressure cylinder.
At present.The air suction structure of conventional two-stage enthalpy increasing high-pressure cylinder is angular cut structure, and the opening of the axial direction that favours high-pressure cylinder is set on the end face of high-pressure cylinder and the rib of inwall.Because the suction port of high-pressure cylinder is the opening of cutting sth. askew, the position that makes to have on the inwall of high-pressure cylinder suction port is plane of inclination.Roller in high-pressure cylinder is when rotating, its axis is parallel with the axis of high-pressure cylinder, but roller run-off the straight while turning to suction port, its axis is not parallel with the axis of high-pressure cylinder, make the inwall of roller and high-pressure cylinder and the wear intensity of slide plate larger, and then making the working life of high-pressure cylinder lower, compressor reliability is lower.
In sum, how to reduce the wear intensity of inwall and the slide plate of roller and high-pressure cylinder, improve high pressure compressed portion working life and compressor reliability, become those skilled in the art's technical barrier urgently to be resolved hurrily.
Summary of the invention
The object of this invention is to provide a kind of high-pressure cylinder, reduce roller and the inwall of high-pressure cylinder and the wear intensity of slide plate, improve working life and the compressor reliability of high pressure compressed portion.Another object of the present invention is to provide a kind of pump assembly and compressor with above-mentioned high-pressure cylinder.
In order to realize above-mentioned first object, the invention provides following technological scheme:
A high-pressure cylinder, comprises high-pressure cylinder body, and described high-pressure cylinder body has:
For the respective channel of aliging with the intermediate flow channel on pump partition plate;
Be communicated with the inner chamber of described high-pressure cylinder body and the gas-entered passageway of described respective channel, the opening of described gas-entered passageway is arranged on the inwall of described high-pressure cylinder body.
Preferably, in above-mentioned high-pressure cylinder, the bearing of trend of described gas-entered passageway is vertical with the axial direction of described high-pressure cylinder body.
Preferably, in above-mentioned high-pressure cylinder, the bearing of trend of described respective channel is vertical with the bearing of trend of described gas-entered passageway.
Preferably, in above-mentioned high-pressure cylinder, the described gas-entered passageway through hole that the inwall of described high-pressure cylinder body extends to the outer wall of described high-pressure cylinder body of serving as reasons;
Described gas-entered passageway is provided with the sealing plug for sealing away from one end of the inner chamber of described high-pressure cylinder body.
Preferably, in above-mentioned high-pressure cylinder, between the outer wall of described sealing plug and the inwall of described gas-entered passageway, be provided with seal ring.
Preferably, in above-mentioned high-pressure cylinder, described gas-entered passageway is circular channel.
Preferably, in above-mentioned high-pressure cylinder, the axis of described gas-entered passageway is positioned in the thickness bisector plane of described high-pressure cylinder body.
The present invention also provides a kind of pump assembly, comprises pump partition plate and high-pressure cylinder, and described high-pressure cylinder is the high-pressure cylinder described in above-mentioned any one, the setting corresponding to the intermediate flow channel of described pump partition plate of the respective channel of described high-pressure cylinder.
Preferably, in above-mentioned pump assembly, the cross section structure of the respective channel of described high-pressure cylinder is identical with the cross section structure of the intermediate flow channel of described pump partition plate.
The present invention also provides a kind of compressor, comprises pump assembly, and described pump assembly is above-mentioned pump assembly described in any.
In technique scheme, on high-pressure cylinder body in the present invention, be provided with the respective channel for aliging with the intermediate flow channel on pump partition plate, because high-pressure cylinder body and pump partition plate have surface of contact, the opening of respective channel is arranged on the end face that high-pressure cylinder body contacts with pump partition plate and the end face away from pump partition plate extends but do not run through high-pressure cylinder body to high-pressure cylinder body.Inner chamber and respective channel due to gas-entered passageway connection high-pressure cylinder body, be understandable that, the opening of gas-entered passageway is arranged on the inwall of high-pressure cylinder body and to the outer wall direction of high-pressure cylinder body and extends, it intersects and is communicated with respective channel, and then makes gas-entered passageway be communicated with inner chamber and the respective channel of high-pressure cylinder body.
Known by foregoing description, suction port than the high-pressure cylinder described in background technique is compared, the opening of gas-entered passageway is arranged on the inwall of high-pressure cylinder body, this high pressure air suction structure has reduced the inclined degree that the roller in high-pressure cylinder occurs in operation process, greatly reduce roller and the inwall of high-pressure cylinder body and the wear intensity of slide plate, make high pressure compressed portion working life improve, and then improved the reliability of compressor.
In order to realize above-mentioned second object, the present invention also provides a kind of pump assembly, and this pump assembly comprises pump partition plate and high-pressure cylinder.Because above-mentioned high-pressure cylinder has above-mentioned technique effect, the pump assembly with this high-pressure cylinder also should have corresponding technique effect, at this, introduces no longer one by one.
The present invention also provides a kind of compressor, comprises above-mentioned pump assembly described in any.Because above-mentioned pump assembly has above-mentioned technique effect, the compressor with this pump assembly also should have corresponding technique effect, at this, introduces no longer one by one.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The exploded perspective view of the high-pressure cylinder that Fig. 1 provides for the specific embodiment of the invention;
The sectional structure schematic diagram of the high-pressure cylinder body that Fig. 2 provides for the specific embodiment of the invention;
The structural representation of the compressor that Fig. 3 provides for the specific embodiment of the invention.
Embodiment
Core of the present invention is to provide a kind of high-pressure cylinder, reduces roller and the inwall of high-pressure cylinder and the wear intensity of slide plate, improves working life and the compressor reliability of high-pressure cylinder.Another object of the present invention is to provide a kind of pump assembly and compressor with above-mentioned high-pressure cylinder.
In order to make those skilled in the art understand better technological scheme of the present invention, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Referring to Fig. 1 and Fig. 2, the exploded perspective view of the high-pressure cylinder that Fig. 1 provides for the specific embodiment of the invention; The high-pressure cylinder body sectional structure schematic diagram that Fig. 2 provides for the specific embodiment of the invention.
As depicted in figs. 1 and 2, in a kind of specific embodiment, high-pressure cylinder provided by the invention, comprises high-pressure cylinder body 1, and high-pressure cylinder body 1 has: for the respective channel 2 of aliging with the intermediate flow channel on pump partition plate; Be communicated with the inner chamber of high-pressure cylinder body 1 and the gas-entered passageway 3 of respective channel 2, the opening of gas-entered passageway 3 is arranged on the inwall of high-pressure cylinder body 1.
On high-pressure cylinder body 1 in the embodiment of the present invention, be provided with the respective channel 2 for aliging with the intermediate flow channel on pump partition plate, because high-pressure cylinder body 1 and pump partition plate have surface of contact, the opening of respective channel 2 is arranged on the end face that high-pressure cylinder body 1 contacts with pump partition plate and to high-pressure cylinder body 1 away from the end face extension of pump partition plate but does not run through high-pressure cylinder body.Inner chamber and respective channel 2 due to gas-entered passageway 3 connection high-pressure cylinder bodies 1, be understandable that, the opening of gas-entered passageway 3 is arranged on the inwall of high-pressure cylinder body 1 and to the outer wall direction of high-pressure cylinder body 1 and extends, it intersects and is communicated with respective channel 2, and then makes gas-entered passageway 3 be communicated with inner chamber and the respective channel 2 of high-pressure cylinder body 1.Known by foregoing description, suction port than the high-pressure cylinder described in background technique is compared, gas-entered passageway 3 openings are arranged on the inwall of high-pressure cylinder body 1, this high pressure air suction structure has reduced the inclined degree that the roller in high-pressure cylinder occurs in operation process, greatly reduce roller and the inwall of high-pressure cylinder body 1 and the wear intensity of slide plate, make high pressure compressed portion working life improve, and then improved the reliability of compressor.
Be understandable that, high pressure compressed portion comprises high-pressure cylinder, roller and slide plate.
Further, in technological scheme, the bearing of trend of gas-entered passageway 3 is vertical with the axis of high-pressure cylinder body 1.The Inner Dimension of gas-entered passageway 3 is set according to the intake requirement of high-pressure cylinder, and at the bearing of trend of gas-entered passageway 3 and the axis of high-pressure cylinder body 1 when vertical, being gas-entered passageway 3 vertically arranges with respect to the inwall of high-pressure cylinder body 1, has further reduced the degree of roller roller run-off the straight when turning to the opening of gas-entered passageway 3.
Further, in technological scheme, the bearing of trend of respective channel 2 is vertical with the bearing of trend of gas-entered passageway 3.When the bearing of trend of respective channel 2 and the bearing of trend of gas-entered passageway 3 are when vertical, gas flow process is shorter, has reduced the resistance of gas in respective channel 2.From such scheme, the bearing of trend of gas-entered passageway 3 is vertical with the axis of high-pressure cylinder body 1, and the bearing of trend of respective channel 2 is vertical with the bearing of trend of gas-entered passageway 3, the axial direction of bearing of trend high-pressure cylinder body 1 that is respective channel 2 is parallel, make the gas in gas-entered passageway 3 enter high-pressure cylinder body 1 with substantially horizontal, further avoided the situation of roller run-off the straight in rotation process.
As depicted in figs. 1 and 2, the high-pressure cylinder that the embodiment of the present invention provides also comprises sealing plug 4 and seal ring 5.
For easy to process, gas-entered passageway 3 is the through hole being extended to its outer wall by the inwall of high-pressure cylinder body 1; Gas-entered passageway 3 is provided with the sealing plug 4 for sealing away from one end of the inner chamber of high-pressure cylinder body 1.
When to high-pressure cylinder body 1 processing gas inlet passage 3, outer wall by high-pressure cylinder body 1 starts processing gas inlet passage 3, its inner chamber by high-pressure cylinder body 1 is passed, sealing plug 4 is sealed to one end of gas-entered passageway 3 by the outer wall side of high-pressure cylinder body 1, the outer wall by high-pressure cylinder body 1 leaks through gas-entered passageway 3 to avoid gas again.
In order to improve sealability, between the outer wall of sealing plug 4 and the inwall of gas-entered passageway 3, be provided with seal ring 5.Seal ring 5 is sheathed on sealing plug 4 and by sealing plug 4 and is filled in gas-entered passageway 3, make seal ring 5 elastic strains, avoid gas by the slot leakage between the outer wall of sealing plug 4 and the inwall of gas-entered passageway 3.
Preferably, gas-entered passageway 3 is circular channel.The cross section that is gas-entered passageway 3 is round structure.Also can be processed into square duct or oval-shaped passageway, at this, not do concrete restriction.
Further, the axis of gas-entered passageway 3 is positioned in the thickness bisector plane of high-pressure cylinder body 1.Wherein, above-mentioned thickness bisector plane is vertical with the axle of high-pressure cylinder body 1, along the thickness direction of high-pressure cylinder body 1, divide high-pressure cylinder body 1 equally, the thickness of high-pressure cylinder body portion of a side that makes to be positioned at thickness bisector plane is identical with the thickness of high-pressure cylinder body portion of opposite side that is positioned at thickness bisector plane.Being thickness bisector plane equals thickness bisector plane to the distance of another end face of high-pressure cylinder body 1 to the distance of an end face of high-pressure cylinder body 1.Because the axis of gas-entered passageway 3 is positioned in the thickness bisector plane of high-pressure cylinder body 1, make gas-entered passageway 3 be positioned at the centre of high-pressure cylinder body 1.
Pump assembly provided by the invention, comprises pump partition plate 6 and high-pressure cylinder A, and this high-pressure cylinder A is above-mentioned any high-pressure cylinder, the respective channel 2 of high-pressure cylinder A and the corresponding setting of the intermediate flow channel of pump partition plate 6.Because above-mentioned high-pressure cylinder A has above-mentioned technique effect, the pump assembly with this high-pressure cylinder A also should have corresponding technique effect, no longer describes in detail herein.
Further, in technological scheme, the cross section structure of the respective channel 2 of high-pressure cylinder A is identical with the cross section structure of the intermediate flow channel of pump partition plate 6.After pump assembly assembling, respective channel 2 is alignd with intermediate flow channel near the opening of pump partition plate 6, effectively reduce gas by intermediate flow channel to the resistance in respective channel 2, improved the inspiratory effects of high-pressure cylinder.
The present invention also provides a kind of compressor, comprises pump assembly, and pump assembly is above-mentioned any pump assembly.
As shown in Figure 3, in a specific embodiment of the present invention, compressor comprises: liquor separator parts 17, low pressure (LP) cylinder 18, lower flange 19, lower flange cover plate 20, lower cover 9, frame set 8, increasing enthalpy assembly 7, pump partition plate 6, high-pressure cylinder A, upper flange 10, upper baffler 11, bent axle 12, motor rotor component 13, motor stator component 14, cover assembly 15, outlet pipe 16.Bent axle 12, pump partition plate 6, high-pressure cylinder A, low pressure (LP) cylinder 18, lower flange 19 and lower flange cover plate 20 have formed pump assembly.Gas enters low pressure (LP) cylinder 18 through liquor separator parts 17 and carries out low pressure compression, and enter by low pressure (LP) cylinder 18 intermediate cavity that lower flange 19 and lower flange cover plate 20 surround, intermediate cavity is communicated with increasing enthalpy assembly 7, increases enthalpy assembly 7 and passes into increasing enthalpy gas and it is mixed with the gas that has carried out low pressure compression in intermediate cavity in intermediate cavity; The intermediate flow channel of mixed gas on pump partition plate 6 enters the respective channel 2 of high-pressure cylinder A, and carries out high pressure compressed by the inner chamber that gas-entered passageway 3 enters high-pressure cylinder A, and flows out compressors by outlet pipe 16, completes compression process.
Because above-mentioned pump assembly has above-mentioned technique effect, the compressor with this pump assembly also should have corresponding technique effect, no longer describes in detail herein.
In pump assembly, one end of lower flange 19 is installed on low pressure (LP) cylinder 18, and the other end is connected with lower flange cover plate 20, forms intermediate cavity.
Above pump assembly provided by the present invention and high-pressure cylinder thereof are described in detail.Applied specific case herein principle of the present invention and mode of execution are set forth, above embodiment's explanation is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (10)
1. a high-pressure cylinder, comprises high-pressure cylinder body (1), it is characterized in that, described high-pressure cylinder body (1) has:
For the respective channel (2) of aliging with the intermediate flow channel on pump partition plate;
Be communicated with the inner chamber of described high-pressure cylinder body (1) and the gas-entered passageway (3) of described respective channel (2), the opening of described gas-entered passageway (3) is arranged on the inwall of described high-pressure cylinder body (1).
2. according to high-pressure cylinder claimed in claim 1, it is characterized in that, the bearing of trend of described gas-entered passageway (3) is vertical with the axial direction of described high-pressure cylinder body (1).
3. according to high-pressure cylinder claimed in claim 2, it is characterized in that, the bearing of trend of described respective channel (2) is vertical with the bearing of trend of described gas-entered passageway (3).
4. according to high-pressure cylinder claimed in claim 1, it is characterized in that described gas-entered passageway (3) through hole that the inwall of described high-pressure cylinder body (1) extends to the outer wall of described high-pressure cylinder body (1) of serving as reasons;
Described gas-entered passageway (3) is provided with the sealing plug (4) for sealing away from one end of the inner chamber of described high-pressure cylinder body (1).
5. according to high-pressure cylinder claimed in claim 4, it is characterized in that, between the outer wall of described sealing plug (4) and the inwall of described gas-entered passageway (3), be provided with seal ring (5).
6. according to the high-pressure cylinder described in claim 1-5 any one, it is characterized in that, described gas-entered passageway (3) is circular channel.
7. high-pressure cylinder according to claim 6, is characterized in that, the axis of described gas-entered passageway (3) is positioned in the thickness bisector plane of described high-pressure cylinder body (1).
8. a pump assembly, comprise pump partition plate (6) and high-pressure cylinder (A), it is characterized in that, described high-pressure cylinder (A) is the high-pressure cylinder described in any one in claim 1-7, the corresponding setting of intermediate flow channel of the respective channel (2) of described high-pressure cylinder (A) and described pump partition plate (6).
9. according to pump assembly claimed in claim 8, it is characterized in that, the cross section structure of the respective channel (2) of described high-pressure cylinder (A) is identical with the cross section structure of the intermediate flow channel of described pump partition plate (6).
10. a compressor, comprises pump assembly, it is characterized in that, described pump assembly is the pump assembly described in claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310047124.0A CN103967801B (en) | 2013-02-05 | 2013-02-05 | Compressor, pump assembly and high pressure cylinder thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310047124.0A CN103967801B (en) | 2013-02-05 | 2013-02-05 | Compressor, pump assembly and high pressure cylinder thereof |
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| Publication Number | Publication Date |
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| CN103967801A true CN103967801A (en) | 2014-08-06 |
| CN103967801B CN103967801B (en) | 2016-08-03 |
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| CN201310047124.0A Active CN103967801B (en) | 2013-02-05 | 2013-02-05 | Compressor, pump assembly and high pressure cylinder thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2313071Y (en) * | 1997-04-30 | 1999-04-07 | 李强 | Energy-saving refrigerating compressor |
| CN101210561A (en) * | 2006-12-30 | 2008-07-02 | 乐金电子(天津)电器有限公司 | Dual-rotor rotary compressor |
| CN201513345U (en) * | 2009-10-13 | 2010-06-23 | 珠海格力电器股份有限公司 | Double rotor two-stage enthalpy rise compressor, air conditioner and heat pump water heater |
| CN102374166A (en) * | 2010-08-23 | 2012-03-14 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body with countersink grooves and bi-rotor two-stage enthalpy-increasing compressor having same |
| CN203081766U (en) * | 2013-02-05 | 2013-07-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor, pump body assembly and high-pressure cylinder thereof |
-
2013
- 2013-02-05 CN CN201310047124.0A patent/CN103967801B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2313071Y (en) * | 1997-04-30 | 1999-04-07 | 李强 | Energy-saving refrigerating compressor |
| CN101210561A (en) * | 2006-12-30 | 2008-07-02 | 乐金电子(天津)电器有限公司 | Dual-rotor rotary compressor |
| CN201513345U (en) * | 2009-10-13 | 2010-06-23 | 珠海格力电器股份有限公司 | Double rotor two-stage enthalpy rise compressor, air conditioner and heat pump water heater |
| CN102374166A (en) * | 2010-08-23 | 2012-03-14 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body with countersink grooves and bi-rotor two-stage enthalpy-increasing compressor having same |
| CN203081766U (en) * | 2013-02-05 | 2013-07-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor, pump body assembly and high-pressure cylinder thereof |
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| CN103967801B (en) | 2016-08-03 |
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