CN202132235U - Air refrigerant ejecting rotary type compressor - Google Patents
Air refrigerant ejecting rotary type compressor Download PDFInfo
- Publication number
- CN202132235U CN202132235U CN201120211627U CN201120211627U CN202132235U CN 202132235 U CN202132235 U CN 202132235U CN 201120211627 U CN201120211627 U CN 201120211627U CN 201120211627 U CN201120211627 U CN 201120211627U CN 202132235 U CN202132235 U CN 202132235U
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- Prior art keywords
- cylinder
- air
- valve
- valve seat
- gas
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- Expired - Lifetime
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- 239000003507 refrigerant Substances 0.000 title abstract description 16
- 239000002826 coolant Substances 0.000 claims description 34
- 238000002347 injection Methods 0.000 claims description 29
- 239000007924 injection Substances 0.000 claims description 29
- 230000006835 compression Effects 0.000 claims description 20
- 238000007906 compression Methods 0.000 claims description 20
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 3
- 230000001154 acute effect Effects 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 25
- 230000001174 ascending effect Effects 0.000 description 7
- 238000004378 air conditioning Methods 0.000 description 6
- 230000010355 oscillation Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009183 running Effects 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
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- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model discloses an air refrigerant ejecting rotary type compressor, which comprises a sealing shell, a motor and a pump body, wherein the motor and the pump body are arranged in the sealing shell. The pump body comprises more than one air cylinder assembly, a main bearing and an auxiliary bearing, wherein the main bearing and the auxiliary bearing are arranged on the upper side and the lower side of the air cylinder. A refrigerant filling device is arranged in the pump body, and the refrigerant filling device is provided with at least one air filling hole communicated with a compressing cavity of the air cylinder and an air ejecting valve. The air ejecting valve is formed by an elastic valve sheet, a limiter, a fixing device and an air ejecting valve seat for accommodating the valve sheet and the limiter. The air ejecting valve seat is provided with an air ejecting valve opening communicated with the air filling hole, and the tail end of the air ejecting valve seat extends toward the tail end direction of a sliding sheet groove. An included angle formed by the pointing direction of the front end and the tail end of the air ejecting valve seat and the moving direction of a sliding sheet is an acute angle alpha which is smaller than 30 degrees. Users can enlarge the air ejecting valve seat and the air ejecting valve sheet to the greatest extent without changing the dimension of the air cylinder, thereby decreasing the rigidity of the valve sheet and further reducing the resistance of the air ejecting valve.
Description
Technical field
The utility model relates to a kind of gas coolant injection formula rotary compressor.
Background technique
Air conditioner is generally used for through making room temperature keep setting temperature the interior space being remained on comfort conditions.In air-conditioning system; Operated by rotary motion has condenser, vaporizer; Be equipped with gas-liquid separator between two devices, gas-liquid separator, be separated into liquid coolant and gas coolant to the refrigerant that comes out from condenser, selectivity is only injected the cylinder of compressor compression chamber to gas coolant; Be exactly so-called gas coolant injection mode, purpose is in order to improve performances such as air-conditioning system ability significantly.
Referring to Fig. 1; A kind ofly be installed in cylinder 100 and bearing junction plane to the refrigerant injection device; And can be through snifting valve to the compressor of in-cylinder injection refrigerant by broad research; This refrigerant injection device possess at least a perforate in the filled hole of cylinder compression chamber 101 with can respond along with the pressure oscillation of cylinder compression chamber and uniaxially is opened towards the cylinder compression chamber, and then can inject refrigerant the cylinder compression chamber of rotary compressor and can prevent that coolant leakage in the compression chamber is to the snifting valve that fills mouthful.Said snifting valve comprises elastic valve plate, limit stoper, valve block fixing device and holds jet valve seat 102 formations of snifting valve.Yet there is disadvantage in said structure: said jet valve seat 102 forms at cylinder 100 sidewalls; Receive the restriction of cylinder external diameter size; Said jet valve seat length L 0 and valve block length are restricted (valve seat length and valve block length are all less); Valve block rigidity is relatively large, is unfavorable for opening and causing the snifting valve resistance to increase of snifting valve.If increase valve seat length, need to increase cylinder dimensions and then increased the cylinder cost and caused making compatibility to reduce.
The model utility content
The purpose of the utility model aims to provide a kind of simple and reasonable, efficiency is high, compatibility is strong, cost is low, the snifting valve opening resistance is little gas coolant injection formula rotary compressor, to overcome deficiency of the prior art.
By a kind of gas coolant injection formula rotary compressor of this purpose design, comprise seal casinghousing and be arranged on the motor and the pump housing in the seal casinghousing; The pump housing comprises more than one cylinder assembly, is arranged on the main bearing and the supplementary bearing of cylinder assembly upper and lower sides, and wherein, cylinder assembly is two when above, is provided with central diaphragm between the cylinder assembly; Cylinder assembly comprises cylinder, is arranged on the piston in the cylinder compression chamber, the bent axle that driven plunger is made eccentric rotary, the interior slide plate of vane slot that is arranged on cylinder; Bent axle also is connected with motor, and an end of slide plate and the periphery of piston are joined; Be provided with coolant injection device in the pump housing, this device possesses the gas injection hole and the snifting valve that communicate with the cylinder compression chamber at least; Said snifting valve is by elastic valve plate, snubber, fixing device and hold valve block and the jet valve seat of snubber constitutes; Jet valve seat is provided with the jet valve port that communicates with gas injection hole; Its structure characteristic is that the tail end of said jet valve seat extends to vane slot tail end direction, and wherein, the sensing and the formed angle of vane motion direction at jet valve seat head and the tail two ends are sharp angle, and this sharp angle is less than 30 °.
Said snifting valve is arranged on the cylinder, on the main bearing, on the supplementary bearing or on the central diaphragm.Snifting valve can respond along with the pressure oscillation of cylinder compression chamber and uniaxially is opened towards the cylinder compression chamber, and then can inject refrigerant the cylinder compression chamber of rotary compressor and can prevent that coolant leakage injects to gas coolant in the compression chamber.
Said elastic valve plate and snubber are installed in the jet valve seat through fixing device; The elastic valve plate front end covers on the jet valve port.Jet valve block rear end is fixed, but front end be covered in jet valve port and uniaxially towards with cylinder in the side that is communicated with open, realize the gas of uniaxially to the in-cylinder injection intermediate pressure.
Said gas injection hole is arranged on the cylinder.
The utility model is put through jet valve seat is extended to the slide plate tail end; Its axial direction (sensings at head and the tail two ends) and the formed acute angle angle of vane motion direction are set less than 30 °; Can not change and let jet valve seat and jet valve block extend to greatest extent under the cylinder dimensions situation, reduce valve block rigidity and then reduce the snifting valve resistance.It is simple and reasonable, efficiency is high, compatibility is strong, cost is low, the snifting valve opening resistance is little.
Description of drawings
Fig. 1 is existing injection rotary compressor structural representation of air cylinder.
Fig. 2 is the utility model one example structure schematic representation.
Fig. 3 is applied to the structural representation behind the compressor for cylinder among Fig. 1.
Fig. 4 is the air-conditioning system figure that is equipped with compressor among Fig. 3.
Among the figure: 1 is cylinder; 2 is slide plate; 3 is jet valve seat; 4 is vane slot; 5 is bent axle; 6 is piston; 7 is the cylinder compression chamber; 8 is compressor; 9 is main bearing; 10 is the pump housing; 11 is supplementary bearing; 12 is crankshaft eccentric portion; 13 is motor; 14 is seal casinghousing; 15 is discharge valve; 16 is gas injection hole; 17 is snubber; 18 is fixing device; 19 is elastic valve plate; 20 is ascending pipe; 21 is the gas coolant ascending pipe; 22 is jet valve port; 23 are the hole that spues; 24 is gas-liquid separator; 25 is the gas coolant outer pipe; 26 is tracheae; 27 is suction pipe; 28 is liquid container; 29 is discharge pipe; 30 is indoor heat exchanger; 31 is first capillary tube; 32 is second capillary tube; 33 is three capillary; 34 is first one-way valve; 35 is second one-way valve; 36 is outdoor heat exchanger; 37 is four-way switching valve.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
Referring to Fig. 2 and Fig. 3, this gas coolant injection formula rotary compressor 8 comprises seal casinghousing 14 and is arranged on the motor 13 and the pump housing 10 in the seal casinghousing 14; The pump housing 10 comprises more than one cylinder assembly, is arranged on the main bearing 9 and the supplementary bearing 11 of cylinder assembly upper and lower sides, and wherein, cylinder assembly is two when above, is provided with central diaphragm between the cylinder assembly; Slide plate 2 in the bent axle 5 that cylinder assembly comprises cylinder 1, be arranged on piston 6 in the cylinder compression chamber 7, driven plunger 6 is made eccentric rotary, the vane slot 4 that is arranged on cylinder 1; Bent axle 5 also is connected with motor 13, and an end of slide plate 2 and the periphery of piston 6 are joined; Be provided with coolant injection device in the pump housing 10, this device possesses the gas injection hole 16 and the snifting valve that communicate with cylinder compression chamber 7 at least; Said snifting valve is by elastic valve plate 19, snubber 17, fixing device 18 and hold elastic valve plate 19 and the jet valve seat 3 of snubber 17 constitutes; Jet valve seat 3 is provided with the jet valve port 22 that communicates with gas injection hole 16.The tail end of said jet valve seat 3 extends to vane slot tail end A direction, and wherein, the sensing and the formed angle of slide plate 2 moving direction at jet valve seat 3 head and the tail two ends are sharp angle, and this sharp angle is less than 30 °.
Snifting valve is arranged on the cylinder 1.Elastic valve plate 19 is installed in the jet valve seat 3 through fixing device 18 with snubber 17; Elastic valve plate 19 front ends cover on the jet valve port 22.Gas injection hole 16 is arranged on the cylinder 1.
Above-mentioned main bearing 9 also is provided with the hole 23 that spues, and the hole 23 that spues is provided with discharge valve 15; Cylinder 1 is provided with the ascending pipe 20 that is communicated with jet valve port 22, and the seal casinghousing 14 that ascending pipe 20 passes compressor 8 is connected outward and with gas coolant ascending pipe 21.Under the situation that does not change the cylinder outer wall size, the length of jet valve seat 3 is that L1 is more than 1.5 times of jet valve seat 102 length L 0 (see figure 1) in the existing design.
Referring to Fig. 4 is to be equipped with the air-conditioning system of gas blowing type rotary compressor and to heat cycle period.The internal pressure of the seal casinghousing 14 of compressor 8 is the high pressure side that equates with head pressure, and the high temperature and high pressure gas refrigerant of discharge is discharged through the discharge pipe 29 that is welded on upper end side, via four-way switching valve 37, gets into the inlet that is connected indoor heat exchanger 30.Outlet and 36 outfit gas-liquid separators 24 of outdoor heat exchanger at indoor heat exchanger 30 are connected first capillary tube 31 30 of gas-liquid separator 24 and indoor heat exchangers; 36 of gas-liquid separator 24 and outdoor heat exchangers be second capillary tube 32 and first one-way valve 34 successively.The outlet of outdoor heat exchanger 36 gets into the inlet of the liquid container 28 of compressor 8 side adjacency via four-way switching valve 37.The bottom of liquid container 28 connects the suction pipe 27 of compressor, and the gas coolant outer pipe 25 on gas-liquid separator 24 tops, is connected to the gas coolant ascending pipe 21 that is configured in compressor 8 sides via tracheae 26.The greenhouse of the air-conditioning system that more than constitutes heats the cycle, in compressor 8 runnings, refrigerant flows shown in the flechette-type symbol, constitutes the refrigeration cycle of sealing.Otherwise, in refrigeration cycle in the cycle, four-way switching valve 37 anti-switchings; The high temperature and high pressure gas refrigerant that spues from compressor 8 is via outdoor heat exchanger 36; Behind second one-way valve 35 and three capillary 33, become low pressure refrigerant, from indoor heat exchanger 30; Through the four-way switching valve 37 of associating, be inhaled into into compressor 8 via liquid container 28.In sum, use gas-liquid separator 24 in the air-conditioning system greenhouse cycle, cold-room in the cycle obsolete structure with gas-liquid separator 24.
Below, serve as that the master describes with the greenhouse cycle.
Claims (4)
1. a gas coolant injection formula rotary compressor comprises seal casinghousing (14) and is arranged on the motor (13) and the pump housing (10) in the seal casinghousing (14); The pump housing (10) comprises more than one cylinder assembly, is arranged on the main bearing (9) and the supplementary bearing (11) of cylinder assembly upper and lower sides, and wherein, cylinder assembly is two when above, is provided with central diaphragm between the cylinder assembly; Cylinder assembly comprises cylinder (1), is arranged on the piston (6) in the cylinder compression chamber (7), the bent axle (5) that driven plunger (6) is made eccentric rotary, the interior slide plate (2) of vane slot (4) that is arranged on cylinder (1); Bent axle (5) also is connected with motor (13), and the periphery of an end of slide plate (2) and piston (6) is joined; The pump housing is provided with coolant injection device in (10), and this device possesses the gas injection hole (16) and the snifting valve that communicate with cylinder compression chamber (7) at least; Said snifting valve is by elastic valve plate (19), snubber (17), fixing device (18) and hold elastic valve plate (19) and the jet valve seat (3) of snubber (17) formation; Jet valve seat (3) is provided with the jet valve port (22) that communicates with gas injection hole (16); The tail end that it is characterized in that said jet valve seat (3) extends to vane slot tail end (A) direction, and wherein, the sensing and the formed angle of slide plate (2) moving direction at jet valve seat (3) head and the tail two ends are sharp angle, and this sharp angle is less than 30 °.
2. gas coolant injection formula rotary compressor according to claim 1, it is characterized in that said snifting valve is arranged on that cylinder (1) is gone up, main bearing (9) is gone up, supplementary bearing (11) is gone up or central diaphragm on.
3. gas coolant injection formula rotary compressor according to claim 1 and 2 is characterized in that said elastic valve plate (19) and snubber (17) are installed in the jet valve seat (3) through fixing device (18); Elastic valve plate (19) front end covers on the jet valve port (22).
4. gas coolant injection formula rotary compressor according to claim 3 is characterized in that said gas injection hole (16) is arranged on the cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120211627U CN202132235U (en) | 2011-06-21 | 2011-06-21 | Air refrigerant ejecting rotary type compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120211627U CN202132235U (en) | 2011-06-21 | 2011-06-21 | Air refrigerant ejecting rotary type compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202132235U true CN202132235U (en) | 2012-02-01 |
Family
ID=45521005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120211627U Expired - Lifetime CN202132235U (en) | 2011-06-21 | 2011-06-21 | Air refrigerant ejecting rotary type compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202132235U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557158A (en) * | 2013-09-30 | 2014-02-05 | 广东美芝制冷设备有限公司 | Refrigerant filling type rotary compressor |
| WO2015042947A1 (en) * | 2013-09-30 | 2015-04-02 | 广东美芝制冷设备有限公司 | Refrigerant filling type rotary compressor |
| CN112502982A (en) * | 2020-11-30 | 2021-03-16 | 安徽美芝精密制造有限公司 | Compressor and heat pump apparatus |
| WO2024255523A1 (en) * | 2023-06-16 | 2024-12-19 | 广东美芝制冷设备有限公司 | Compressor and refrigeration device |
-
2011
- 2011-06-21 CN CN201120211627U patent/CN202132235U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557158A (en) * | 2013-09-30 | 2014-02-05 | 广东美芝制冷设备有限公司 | Refrigerant filling type rotary compressor |
| WO2015042947A1 (en) * | 2013-09-30 | 2015-04-02 | 广东美芝制冷设备有限公司 | Refrigerant filling type rotary compressor |
| CN103557158B (en) * | 2013-09-30 | 2016-06-01 | 广东美芝制冷设备有限公司 | Coolant injection formula rotary compressor |
| US9909587B2 (en) | 2013-09-30 | 2018-03-06 | Guangdong Meizhi Compressor Co., Ltd. | Refrigerant filling rotary compressor |
| CN112502982A (en) * | 2020-11-30 | 2021-03-16 | 安徽美芝精密制造有限公司 | Compressor and heat pump apparatus |
| WO2024255523A1 (en) * | 2023-06-16 | 2024-12-19 | 广东美芝制冷设备有限公司 | Compressor and refrigeration device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120201 |