CN202082104U - Bi-rotor two-stage enthalpy-adding compressor - Google Patents

Bi-rotor two-stage enthalpy-adding compressor Download PDF

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Publication number
CN202082104U
CN202082104U CN 201120149119 CN201120149119U CN202082104U CN 202082104 U CN202082104 U CN 202082104U CN 201120149119 CN201120149119 CN 201120149119 CN 201120149119 U CN201120149119 U CN 201120149119U CN 202082104 U CN202082104 U CN 202082104U
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China
Prior art keywords
enthalpy
increases
pump housing
cylinder
compressor
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Expired - Lifetime
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CN 201120149119
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Chinese (zh)
Inventor
胡余生
魏会军
陈炯
杨欧翔
邹鹏
李万涛
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Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
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Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
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Priority to CN 201120149119 priority Critical patent/CN202082104U/en
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Abstract

The utility model discloses a bi-rotor two-stage enthalpy-adding compressor, which comprises a shell, a motor, a lower flange, a lower cylinder, a pump partition plate, an upper cylinder, a lower cover plate, a liquid separator and an enthalpy-adding component. The lower cylinder is respectively provided with an enthalpy-adding opening and a pump air intake opening, wherein the enthalpy-adding opening is communicated with the enthalpy-adding component, and the pump air intake opening is communicated with an air intake duct of the liquid separator. The lower flange is provided with an exhaust valve for controlling communication or blockage between a lower cylinder exhaust side and an air storage cavity composed of the lower flange and the lower cover plate, the enthalpy-adding opening is communicated with the air storage cavity on the lower flange, the air storage cavity is communicated with a circulating groove on the lower cylinder, and the circulating groove is communicated with a passage on the pump partition plate. The heating efficiency of the compressor in a low-temperature environment is improved, and the requirement for processing precision of the lower flange can be effectively lowered by the aid of the enthalpy-adding opening arranged on the lower cylinder so that cost is reduced. Geometrical tolerance precision between the enthalpy-adding opening and the pump air intake opening is improved, and the accuracy of the enthalpy-adding component being pressed into the enthalpy-adding opening and the accuracy of the air intake duct being pressed into the pump air intake opening are ensured.

Description

A kind of double rotor two-stage increases the enthalpy compressor
Technical field
The utility model relates to the Compressor Technology field, and particularly a kind of double rotor two-stage increases the enthalpy compressor.
Background technique
The double rotor two-stage increase the enthalpy compressor mainly by motor, lower cylinder compression structure, increase enthalpy structure, lower flange structure, upper cylinder compression structure, seal structure for casing, gas-liquid separator assembly and form.Liquor separator is fixed by welding on the housing, lower cylinder by screw on lower flange, liquor separator is connected with pump housing intakeport on the lower cylinder by sucking pipe, lower cover plate is by the lower end of screw at lower flange, increasing enthalpy housing sucking pipe is welded on the housing, increase enthalpy pump housing sucking pipe and be pressed on increasing on the enthalpy mouth inwall on the lower flange by the enthalpy seal ring that increases with its interference fit, increase the enthalpy bend pipe by welding with increase enthalpy housing sucking pipe and increase enthalpy pump housing sucking pipe and be connected, upper cylinder is fixed by screw and upper flange assembly, link to each other with pump housing dividing plate simultaneously, the upper flange assembly is welded on the housing, bent axle passes lower flange, lower cylinder, lower cover plate, pump housing dividing plate, upper cylinder, the upper flange assembly, lower roller is enclosed within on the following eccentric part of bent axle, last roller sleeve is on eccentric part on the bent axle, outlet pipe is welded on the cover assembly, and cover assembly is welded on the housing.
The double rotor two-stage increases the enthalpy compressor at present, increase the enthalpy mouth and open on lower flange, and pump housing intakeport leaves on lower cylinder, and for guaranteeing assembling, high especially to the requirement on machining accuracy of Pump Body Parts, existing equipment can't reach, and processing cost height, assembly precision be cannot say for sure to demonstrate,prove.
How to guarantee that the double rotor two-stage increases on the basis of enthalpy compressor function, improve the manufacturability of its processing and assembling, reducing compressor circulating resistance, assembling difficulty and processing cost, improve compressor performance and reliability, is those skilled in the art's problem demanding prompt solutions.
The model utility content
In view of this, the utility model provides a kind of double rotor two-stage to increase the enthalpy compressor, to guarantee that the double rotor two-stage increases on the basis of enthalpy compressor function, improves the manufacturability of its processing and assembling, reduce compressor circulating resistance, assembling difficulty and processing cost, improve compressor performance and reliability.
For achieving the above object, the utility model provides following technological scheme:
A kind of double rotor two-stage increases the enthalpy compressor, comprise housing, motor, lower flange, lower cylinder, pump housing dividing plate, upper cylinder, upper flange, lower cover plate, liquor separator and increase the enthalpy assembly, be arranged on and increase the enthalpy mouth on the described lower cylinder, this increases the enthalpy mouth and is communicated with the described enthalpy assembly that increases;
Be arranged on the pump housing intakeport on the described lower cylinder, this pump housing intakeport is communicated with the sucking pipe of described liquor separator;
Be arranged on the circulation groove on the described lower cylinder, the channel connection on this circulation groove and the described pump housing dividing plate;
Be arranged on the described lower flange, and control the exhaust valve plate of the connected sum blocking-up of the exhaust side of described lower cylinder and air storing cavity;
Described air storing cavity is made up of described lower flange and described lower cover plate, and this air storing cavity increases the enthalpy mouth and described circulation groove is communicated with described;
Described upper cylinder is provided with the intakeport of cutting sth. askew, the channel connection on this cut sth. askew intakeport and described pump housing dividing plate.
Preferably, increase in the enthalpy compressor in above-mentioned double rotor two-stage, the described enthalpy assembly that increases comprises:
Be welded on and increase enthalpy housing sucking pipe on the described housing;
Increase enthalpy pump housing sucking pipe, it is pressed on the described inwall that increases the enthalpy mouth by the enthalpy seal ring that increases with its interference fit;
Increase the enthalpy bend pipe, the one end stretches into described increasing in the enthalpy pump housing sucking pipe, and increases enthalpy housing sucking pipe and increase the welding of enthalpy pump housing sucking pipe with described respectively.
Preferably, increase in the enthalpy compressor in above-mentioned double rotor two-stage, described liquor separator is welded on the described housing.
Preferably, increase in the enthalpy compressor in above-mentioned double rotor two-stage, described upper flange is welded on the described housing, and described upper cylinder is arranged on the described upper flange by screw, and links to each other with described pump housing dividing plate.
Based on above-mentioned setting, the utility model can improve the heating efficiency under the compressor low temperature environment, offers to increase the enthalpy mouth and can effectively reduce requirement to the lower flange machining accuracy on lower cylinder, thereby reduces cost.Because will increase the enthalpy mouth is arranged on the lower cylinder, just make pump housing intakeport and increase the enthalpy mouth on same part, just do not need the secondary clamping when carrying out machining like this, only need one-time positioning just two structure characteristics can be processed, improved and increased form and position tolerance precision between enthalpy mouth and the pump housing intakeport.Owing to improved and increase form and position tolerance precision between enthalpy mouth and the pump housing intakeport, so can guarantee to increase the enthalpy assembly and be pressed into and increase the degree of accuracy that enthalpy mouth and sucking pipe are pressed into pump housing intakeport.Increase good that form and position tolerance between enthalpy mouth and the pump housing intakeport guarantees in the assembly process, the sectional area of refrigerant channel is guaranteed that effectively welding quality is guaranteed, and the refrigerant circulation is more smooth and easy, thereby has reduced circulating resistance, improves efficiency of installing software and compressor performance.
Description of drawings
The double rotor two-stage that Fig. 1 provides for the utility model embodiment increases the sectional structure schematic representation of enthalpy compressor;
The structural representation of the lower cylinder that Fig. 2 provides for the utility model embodiment;
The double rotor two-stage that Fig. 3 provides for the utility model embodiment increases the local structure for amplifying schematic representation of enthalpy compressor;
Wherein, among Fig. 1-Fig. 3:
1 is that liquor separator, 2 is that lower cylinder, 3 is that lower flange, 4 is that lower cover plate, 5 is that sucking pipe, 8 is that bent axle, 10 is that lower roller, 11 is that pump housing dividing plate, 12 is that upper cylinder, 13 is that last roller, 14 is that upper flange, 15 is that stator module, 16 is that rotor assembly, 17 is that housing, 18 is that cover assembly, 19 is that outlet pipe, 21 is that pump housing intakeport, 23 is a circulation groove for increasing enthalpy mouth, 22 for increasing enthalpy bend pipe, 9 for increasing enthalpy seal ring, 6 for increasing enthalpy pump housing sucking pipe, 7.
Embodiment
The utility model discloses a kind of double rotor two-stage and increase the enthalpy compressor, to guarantee that the double rotor two-stage increases on the basis of enthalpy compressor function, improve the manufacturability of its processing and assembling, reduce compressor circulating resistance, assembling difficulty and processing cost, improve compressor performance and reliability.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technological scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 1-Fig. 3, the double rotor two-stage that Fig. 1 provides for the utility model embodiment increases the sectional structure schematic representation of enthalpy compressor; The structural representation of the lower cylinder that Fig. 2 provides for the utility model embodiment; The double rotor two-stage that Fig. 3 provides for the utility model embodiment increases the local structure for amplifying schematic representation of enthalpy compressor.
The double rotor two-stage that the utility model provides increases the enthalpy compressor, comprise housing 17, motor, lower flange 3, lower cylinder 2, pump housing dividing plate 11, upper cylinder 12, upper flange 14, liquor separator 1 and increase the enthalpy assembly, wherein, offer respectively on the lower cylinder 2 and increase the pump housing intakeport 22 that increases enthalpy mouth 21 and be connected that the enthalpy assembly is connected, be about to increase enthalpy mouth 21 and pump housing intakeport 22 all is arranged on the lower cylinder 2 with the sucking pipe of liquor separator 1.Can converge mutually in order to guarantee to increase refrigerant that enthalpy mouth 21 enters and to enter the refrigerant of lower cylinder 2 after through the low pressure compression by pump housing intakeport 22, and formation is to the passage of relief opening 19 directions, the utility model is communicated with the suction side of pump housing intakeport 22 with lower cylinder 2, unlatching by the exhaust valve plate on the lower flange 3 or compress being communicated with or blocking-up of the exhaust side of controlling lower cylinder 2 and the air storing cavity of forming by lower flange 3 and lower cover plate 4, increasing enthalpy mouth 21 communicates with air storing cavity on the lower flange 3, this air storing cavity communicates with circulation groove 23 on the lower cylinder 2, circulation groove 23 on the lower cylinder 2 communicates with passage on the pump housing dividing plate 11, and the passage on the pump housing dividing plate 11 communicates with the intakeport of cutting sth. askew of upper cylinder 12.The passage of pump housing dividing plate 11 back is same as the prior art, repeats no more.
The utility model can improve the heating efficiency under the compressor low temperature environment, offers to increase enthalpy mouth 21 and can effectively reduce requirement to lower flange 3 machining accuracies on lower cylinder 2, thereby reduces cost.Because will increase enthalpy mouth 21 is arranged on the lower cylinder 2, just make pump housing intakeport 22 and increase enthalpy mouth 21 on same part, just do not need the secondary clamping when carrying out machining like this, only need one-time positioning just two structure characteristics can be processed, improved and increased form and position tolerance precision between enthalpy mouth 21 and the pump housing intakeport 22.Owing to improved and increase form and position tolerance precision between enthalpy mouth 21 and the pump housing intakeport 22, so can guarantee to increase the enthalpy assembly and be pressed into and increase the degree of accuracy that enthalpy mouth 21 and sucking pipe are pressed into pump housing intakeport 22.Increase good that form and position tolerance between enthalpy mouth 21 and the pump housing intakeport 22 guarantees in the assembly process, the sectional area of refrigerant channel is guaranteed that effectively welding quality is guaranteed, and the refrigerant circulation is more smooth and easy, thereby reduced circulating resistance, improved efficiency of installing software and compressor performance.
Increasing the enthalpy assembly can comprise sucking pipe 7, increases enthalpy pump housing sucking pipe 6, increases enthalpy bend pipe 8 and increase enthalpy seal ring 5.Wherein, increasing enthalpy housing sucking pipe 7 is welded on the housing 17, increasing enthalpy pump housing sucking pipe 6 is pressed on the inwall that increases enthalpy mouth 21 by the enthalpy seal ring 5 that increases with its interference fit, an end that increases enthalpy bend pipe 8 stretches into and increases in the enthalpy pump housing sucking pipe 6, and respectively with increase enthalpy housing sucking pipe 7 and increase 6 welding of enthalpy pump housing sucking pipe.
Liquor separator 1 is welded on the housing 17, and on lower flange 3, the lower end of lower flange 3 is fixed with lower cover plate 4 to lower cylinder 2 by screw, and air storing cavity forms between lower flange 3 and lower cover plate 4.Upper flange 14 is welded on the housing 17, and upper cylinder 12 is arranged on the upper flange 14 by screw, and links to each other with pump housing dividing plate 11.Bent axle 9 passes lower flange 3, lower cylinder 2, lower cover plate 4, pump housing dividing plate 11, upper cylinder 12, upper flange 14, lower roller 10 is enclosed within on the following eccentric part of bent axle 9, last roller 13 is enclosed within on the last eccentric part of bent axle 9, outlet pipe 19 is welded on the cover assembly 18, and cover assembly 18 is welded on the housing 17.
Under motor the dragging of (forming) by rotor assembly 16 and stator module 15, compressor operation, it is compressed and be discharged to lower flange 3 that the refrigerant of returning from system enters into lower cylinder 2 (low-pressure cylinder) by liquor separator 1, another part refrigerant is come to enter from another loop of system and is increased enthalpy bend pipe 8, enter again and increase enthalpy pump housing sucking pipe 6, flow in the lower flange 3 by the enthalpy mouth 21 that increases on the lower cylinder 2, mix with the refrigerant of behind lower cylinder 2 compressors, coming in, the mixing refrigerant fluid of pressing in the formation, this fluid is flowed through behind the pump housing dividing plate 11 by the circulation groove on the lower cylinder 2 23 again, and sucked and be compressed into high pressure refrigerant fluid by upper cylinder 12, be expelled to by housing 17 by upper flange 14, in the space that cover assembly 18 surrounds, and be discharged to system's (vaporizer or condenser) from outlet pipe 19, promptly finish a twin-stage compression of compressor and increase the working procedure of enthalpy.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and other embodiments' difference that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make related domain professional and technical personnel can realize or use the utility model.Multiple modification to these embodiments will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiments shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.

Claims (4)

1. a double rotor two-stage increases the enthalpy compressor, comprises housing (17), motor, lower flange (3), lower cylinder (2), pump housing dividing plate (11), upper cylinder (12), upper flange (14), lower cover plate (4), liquor separator (1) and increases the enthalpy assembly, it is characterized in that:
Be arranged on and increase enthalpy mouth (21) on the described lower cylinder (2), this increases enthalpy mouth (21) and is communicated with the described enthalpy assembly that increases;
Be arranged on the pump housing intakeport (22) on the described lower cylinder (2), this pump housing intakeport (22) is communicated with the sucking pipe of described liquor separator (1);
Be arranged on the circulation groove (23) on the described lower cylinder (2), the channel connection on this circulation groove (23) and the described pump housing dividing plate (11);
Be arranged on the described lower flange (3), and control the exhaust valve plate of the connected sum blocking-up of the exhaust side of described lower cylinder (2) and air storing cavity;
Described air storing cavity is made up of described lower flange (3) and described lower cover plate (4), and this air storing cavity increases enthalpy mouth (21) and described circulation groove (23) is communicated with described;
Described upper cylinder (12) is provided with the intakeport of cutting sth. askew, the channel connection on this cut sth. askew intakeport and described pump housing dividing plate (11).
2. double rotor two-stage as claimed in claim 1 increases the enthalpy compressor, it is characterized in that, the described enthalpy assembly that increases comprises:
Be welded on and increase enthalpy housing sucking pipe (7) on the described housing (17);
Increase enthalpy pump housing sucking pipe (6), it is pressed on the described inwall that increases enthalpy mouth (21) by the enthalpy seal ring (5) that increases with its interference fit;
Increase enthalpy bend pipe (8), the one end stretches into described increasing in the enthalpy pump housing sucking pipe (6), and increases enthalpy housing sucking pipe (7) and increase enthalpy pump housing sucking pipe (6) welding with described respectively.
3. double rotor two-stage as claimed in claim 2 increases the enthalpy compressor, it is characterized in that, described liquor separator (1) is welded on the described housing (17).
4. double rotor two-stage as claimed in claim 3 increases the enthalpy compressor, it is characterized in that, described upper flange (14) is welded on the described housing (17), and described upper cylinder (12) is arranged on the described upper flange (14) by screw, and links to each other with described pump housing dividing plate (11).
CN 201120149119 2011-05-11 2011-05-11 Bi-rotor two-stage enthalpy-adding compressor Expired - Lifetime CN202082104U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103362807A (en) * 2012-04-10 2013-10-23 珠海格力节能环保制冷技术研究中心有限公司 Compressor, air conditioning system with same and heat-pump water heater system
CN103629112A (en) * 2012-08-21 2014-03-12 珠海格力节能环保制冷技术研究中心有限公司 Rotary compressor and pump body assembly thereof
CN104214100A (en) * 2013-06-05 2014-12-17 珠海格力节能环保制冷技术研究中心有限公司 Compressor and air conditioner with same
CN104454538A (en) * 2013-09-13 2015-03-25 珠海格力节能环保制冷技术研究中心有限公司 Rolling rotor compressor
CN104632625A (en) * 2014-06-05 2015-05-20 珠海格力节能环保制冷技术研究中心有限公司 Double-stage enthalpy-increasing compressor and air conditioner
CN105864038A (en) * 2015-01-23 2016-08-17 珠海格力节能环保制冷技术研究中心有限公司 Intermediate cavity structure and two-stage enthalpy-adding rotor type compressor
CN106089711A (en) * 2016-07-20 2016-11-09 广东美芝制冷设备有限公司 Multi-cylinder rotation compressor and there is its refrigerating circulatory device

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103362807A (en) * 2012-04-10 2013-10-23 珠海格力节能环保制冷技术研究中心有限公司 Compressor, air conditioning system with same and heat-pump water heater system
CN103362807B (en) * 2012-04-10 2016-06-08 珠海格力节能环保制冷技术研究中心有限公司 Compressor, the air conditioning system with this compressor and heat pump water heater system
CN103629112A (en) * 2012-08-21 2014-03-12 珠海格力节能环保制冷技术研究中心有限公司 Rotary compressor and pump body assembly thereof
CN104214100A (en) * 2013-06-05 2014-12-17 珠海格力节能环保制冷技术研究中心有限公司 Compressor and air conditioner with same
CN104454538A (en) * 2013-09-13 2015-03-25 珠海格力节能环保制冷技术研究中心有限公司 Rolling rotor compressor
CN104632625A (en) * 2014-06-05 2015-05-20 珠海格力节能环保制冷技术研究中心有限公司 Double-stage enthalpy-increasing compressor and air conditioner
CN104632625B (en) * 2014-06-05 2017-06-06 珠海格力节能环保制冷技术研究中心有限公司 Dual-level enthalpy adding compressor and air-conditioner
CN105864038A (en) * 2015-01-23 2016-08-17 珠海格力节能环保制冷技术研究中心有限公司 Intermediate cavity structure and two-stage enthalpy-adding rotor type compressor
CN106089711A (en) * 2016-07-20 2016-11-09 广东美芝制冷设备有限公司 Multi-cylinder rotation compressor and there is its refrigerating circulatory device
CN106089711B (en) * 2016-07-20 2019-04-05 广东美芝制冷设备有限公司 Multi-cylinder rotation compressor and refrigerating circulatory device with it

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