CN202326238U - Positive displacement compressor and air conditioner system using same - Google Patents
Positive displacement compressor and air conditioner system using same Download PDFInfo
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- CN202326238U CN202326238U CN 201120389530 CN201120389530U CN202326238U CN 202326238 U CN202326238 U CN 202326238U CN 201120389530 CN201120389530 CN 201120389530 CN 201120389530 U CN201120389530 U CN 201120389530U CN 202326238 U CN202326238 U CN 202326238U
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- type compressor
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Abstract
The utility model provides a positive displacement compressor and an air conditioner system using the same. The positive displacement compressor consists of a cylinder body (4), a suction inlet (1), an outlet (3) and a bypass-valve hole (7) which is distributed on the cylinder body (4), wherein the bypass-valve hole (7) consists of a slide part (72) and a limit part (71); and the positive displacement compressor further comprises a leading-out channel and a piston valve body (17) which is arranged inside the bypass-valve hole (7). The piston valve body (17) acts according to the change of a control pressure applied to the piston valve body (17) to enable the bypass-valve hole (7) is communicated or dis-communicated with the leading-out channel. The positive displacement compressor provided by the utility model has a simple control system, and has the advantages of lowering the cost by removing circuit equipment or spring piston equipment, being rapid and reliable in response, and further realizing the automatic control of the bypass equipment.
Description
Technical field
The utility model relates to compressor field, more specifically, relates to a kind of capacity variable type compressor and has its air-conditioner system.
Background technique
In the existing technology, it is conventional means in the compressor single cylinder transfiguration mean of calculating that bypass is regulated.But mostly existing by-pass governing device is solenoid valve or spring piston structure.Existing these by-pass governing devices need certain servo-system, complex structure, and cost is high, and self-regulation ability is poor.
The model utility content
The utility model purpose is to provide a kind of simple in structure, capacity variable type compressor that cost is low and has its air-conditioner system.
The utility model provides a kind of capacity variable type compressor, comprising: cylinder block, suction port, exhaust port and be arranged on the bypass valve opening on the said cylinder block, and said bypass valve opening comprises slide part and limitation part; Said capacity variable type compressor also comprises: derived channel, and comprise leading-in end and derive end, said leading-in end is drawn from the said slide part of said bypass valve opening, and said derivation end is arranged on the outer wall of said cylinder block; Piston valve body; Be arranged in the said bypass valve opening; Said piston valve body cooperates with said slide part slidably, and said limitation part is limited to said piston valve body in the said bypass valve opening in internal face one side of said cylinder block, and said piston valve body has first pressure surface and second pressure surface; Said first pressure surface bears the pressure of gas in the cylinder; Said second pressure surface bears a pilot pressure, and said piston valve body is according to the transition activities of said pilot pressure, said bypass valve opening is communicated with said derived channel or breaks off.
Preferably, said bypass valve opening is stepped, comprising: first cylindrical hole is positioned on the said cylinder block side near internal face; Second cylindrical hole is positioned on the said cylinder block near a side of outer wall, and with the coaxial setting of said first cylindrical hole, the diameter of said second cylindrical hole is greater than the diameter of said first cylindrical hole; Wherein, said first cylindrical hole forms said limitation part, and said second cylindrical hole forms said slide part.
Preferably, said piston valve body is a stepped shaft, and it comprises: first cylindrical body, match with said first cylindrical hole; Second cylindrical body matches with said second cylindrical hole, and, integratedly setting coaxial with said first cylindrical body.
Preferably, said second pressure surface forms the said piston valve body of hollow to the recessed setting of the direction of said first pressure surface.
Preferably, said derived channel comprises: pod apertures, draw the said leading-in end of formation from said slide part; Blind hole is drawn the said derivation end of formation from said pod apertures.
Further; The utility model also provides a kind of air-conditioner system; Comprise capacity variable type compressor, vaporizer, condenser, switch control unit and pilot line; The suction port of said vaporizer, said capacity variable type compressor, exhaust port, said condenser link to each other with said switch control unit through first pipeline, second pipeline, the 3rd pipeline, the 4th pipeline respectively, and said condenser links to each other through the 5th pipeline with said vaporizer, it is characterized in that; Said capacity variable type compressor is aforesaid capacity variable type compressor, and an end of said pilot line is communicated with the side of said bypass valve opening near said cylinder block outer wall face.
Preferably, the other end of said pilot line is communicated on said first pipeline.
Preferably, said air-conditioner system also comprises: liquor separator is arranged on said second pipeline; Bypass line, one of which end are connected to the derivation end of said derived channel, and the other end is connected to said second pipeline.
Preferably, said switch control unit is four-way valve, three-way valve or solenoid valve.
According to the capacity variable type compressor of the utility model, utilized the pressure difference of compressor internal pressure and pilot pressure, control compressor bypass valve opening is communicated with or disconnection with said derived channel, thus the discharge capacity of control compressor.Its control system is simple, has saved circuit arrangement or spring piston equipment, has reduced cost, and it is reliable to be swift in response, and can realize the automatic control of bypass equipment.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is the sectional structure schematic representation according to the capacity variable type compressor of the utility model;
Fig. 2 is the cross-sectional configuration schematic representation according to the bypass valve opening place of the specific embodiment of the capacity variable type compressor of the utility model;
Fig. 3 is the schematic representation according to the piston valve body of the specific embodiment of the capacity variable type compressor of the utility model;
Fig. 4 is the section assembly structure schematic representation according to the bypass valve opening place of the specific embodiment of the capacity variable type compressor of the utility model;
Fig. 5 is the system diagram according to the air-conditioner system of the utility model.
Embodiment
Below with reference to accompanying drawing and combine embodiment to specify the utility model.
To shown in Figure 3, capacity variable type compressor 10 comprises cylinder block 4, slide plate 2, eccentric crankshaft 5, rolling piston 6 and is arranged on suction port 1, exhaust port 3 and the bypass valve opening 7 on the cylinder block 4 like Fig. 1.Bypass valve opening 7 comprises slide part 72 and limitation part 71.Capacity variable type compressor 10 also comprises derived channel and piston valve body 17.Wherein, derived channel is used for the gas that gets in the bypass valve opening 7 is derived cylinder block 4, and derived channel comprises leading-in end and derive end that leading-in end is drawn from the slide part 72 of bypass valve opening 7, derives end and is arranged on the outer wall of cylinder block 4; Piston valve body 17 is arranged in the bypass valve opening 7; Piston valve body 17 cooperates with slide part 72 slidably; Limitation part 71 is limited to piston valve body 17 in the bypass valve opening 7 in internal face one side of cylinder block 4, is used to prevent the internal face of piston valve body 17 outstanding cylinder block 4, second pressure surface that piston valve body 17 has first pressure surface and is oppositely arranged with first pressure surface; First pressure surface bears the pressure of gas in the cylinder; Second pressure surface bears a pilot pressure, and piston valve body 17 is according to the transition activities of pilot pressure, bypass valve opening 7 is communicated with derived channel or breaks off.
Preferably; In the embodiment of the capacity variable type compressor of rotary-piston type shown in Figure 1; The position of bypass valve opening 7 is opened in the position of certain design angle radially; Particularly, can be opened in slide plate 2 center lines is 0 ° of position, counterclockwise rotates 80 ° in the scope of 180 ° of angles.Such setting is easy to reclaim the lubricant oil of being taken out of by gas in the cylinder.
Like Fig. 1, Fig. 2 and shown in Figure 4, in the present embodiment, bypass valve opening 7 is a stepped shaft, comprises first cylindrical hole and second cylindrical hole.First cylindrical hole is positioned on the cylinder block 4 side near internal face; Second cylindrical hole is positioned on the cylinder block 4 near a side of outer wall, and with the coaxial setting of first cylindrical hole, the diameter of second cylindrical hole is greater than the diameter of first cylindrical hole; Wherein, first cylindrical hole forms limitation part 71, the second cylindrical holes and forms slide part 72.In the present embodiment, first cylindrical hole and second cylindrical hole have formed the stepped bypass valve opening 7 that runs through.
As shown in Figure 4, the piston valve body 17 of present embodiment is for to be set to stepped shaft with bypass valve opening 7 ordinatedly, and it comprises first cylindrical body and first cylindrical body.First cylindrical body matches with first cylindrical hole; Second cylindrical body matches with second cylindrical hole, the coaxial and setting integratedly with first cylindrical body.
Preferably, second pressure surface is to the recessed setting of the direction of first pressure surface, thus the piston valve body 17 of formation hollow.Piston valve body 17 is set to hollow shape can alleviate its weight, helps the control to the discharge capacity of capacity variable type compressor 10.
In the present embodiment, derived channel comprises pod apertures 15 and blind hole 16.Pod apertures 15 is drawn the leading-in end that forms derived channel from the slide part 72 of bypass valve opening 7; Blind hole 16 is drawn from pod apertures 15, and on the outer wall of cylinder block 4, forms the derivation end.Preferably, as shown in Figure 2, around bypass valve opening 7, have identical radial angle and ground in parallel pierces blind hole 16 from outside to inside, pod apertures 15 in axial direction runs through blind hole 16 up to being communicated with bypass valve opening 7 with it.
Be the concrete application of example capacity variable type compressor that above embodiment is described below with the air-conditioner system.What need explanation is, the capacity variable type compressor of the utility model is not limited to air-conditioner system, and it can be applied to any suitable compressor bypass control system.
The air-conditioner system of present embodiment; Comprise above embodiment's capacity variable type compressor 10, vaporizer 9, condenser 11, switch control unit 8 and pilot line 12; The suction port 1 of vaporizer 9, capacity variable type compressor 10, exhaust port 3, condenser 11 link to each other with switch control unit 8 through first pipeline, second pipeline, the 3rd pipeline, the 4th pipeline respectively; Condenser 11 links to each other through the 5th pipeline with vaporizer 9; One end of pilot line 12 is communicated with the side of bypass valve opening 7 near cylinder block 4 outer wall, and the gas pressure in the pilot line 12 acts on second pressure surface of piston valve body 17 as pilot pressure; The other end of pilot line 12 is communicated on first pipeline.
Preferably, air-conditioner system also comprises liquor separator 14 and bypass line 13.Liquor separator 14 is arranged on second pipeline; Bypass line 13 1 ends are connected to the derivation end of derived channel, are used for drawing through the gas of bypass valve opening 7 bypass, and the other end is connected to second pipeline.
Preferably, according to the switching state of switch control unit 8, air-conditioner system moves under refrigeration mode or heating mode, and the discharge capacity of capacity variable type compressor 10 is less than the discharge capacity of capacity variable type compressor 10 under heating mode under refrigeration mode.Preferably, switch control unit 8 is four-way valve, three-way valve or solenoid valve.
In following explanation, be example with four-way valve as switch control unit 8, the runnability of capacity variable type compressor 10 in the air-conditioner system of present embodiment is described particularly.
As shown in Figure 4, in the stepped shaft bypass valve opening 7 that runs through that piston valve body 17 is installed in, be connected a section of pilot line 12 with bypass valve opening 7, the part that pilot line 12 stretches into bypass valve opening 7 forms thrust surface.Simultaneously, as shown in Figure 5, pilot line 12 is connected 1 A place on first pipeline between vaporizer 9 and the four-way valve.
When air-conditioner system freezed, four-way valve switched to vaporizer 9 is communicated with liquor separator 14, and the outlet of compressor 10 is communicated with condenser 11, and loop direction is shown in dotted arrow among Fig. 3.This moment, the A point was a low pressure; The pilot pressure that receives on second pressure surface of piston valve body 17 like this is identical with the A point pressure; The inner pressure of air cylinder that it bears less than first pressure surface, piston valve body 17 moves to the outer wall direction of cylinder block 4, and piston valve body 17 is pushed into thrust surface by inner pressure of air cylinder; Bypass valve opening 7 is communicated with pod apertures 15; Refrigeration agent flows out cylinder through conduction hole 16 from bypass line 13, turns back to suction port 1 and gets into cylinder participation circulation again through liquor separator 14, and compressor 10 discharge capacities are reduced.
When air-conditioner system heated, four-way valve 8 made vaporizer 9 be communicated with the outlet of compressor 10 for switching to, and condenser 11 is communicated with liquor separator 14, and loop direction is shown in solid arrow among Fig. 3.This moment, the A point was a high pressure; The inner pressure of air cylinder that the pilot pressure that receives on second pressure surface of piston valve body 17 bears greater than the first pressure surface place; Piston valve body 17 moves to the internal face direction of cylinder block 4, and bypass valve opening 7 breaks off with pod apertures 15, thereby capacity variable type compressor 10 discharge capacities increase.
So, when the different mode operation of air-conditioner system, realized the automatic control of capacity variable type compressor volume change.
From above description, can find out; The utility model the above embodiments have realized following technique effect: the position that utilizes the pressure difference control piston valve body 17 between capacity variable type compressor 10 internal pressures and the pilot pressure; Control compressor bypass valve opening 7 is communicated with or disconnection with derived channel, thus the discharge capacity of control compressor 10.The cylinder processing technology of this capacity variable type compressor 10 is simple, cost is low, and control structure is simple, need not circuit arrangement and elasticity power assistive device.Capacity variable type compressor 10 can be realized the automatic control of varying capacities according to the different operating modes of the air-conditioner system of present embodiment; The bypass outlet of the capacity variable type compressor 10 of present embodiment is arranged at the low spot of structure; Be easy to reclaim the lubricant oil of taking out of by freezing mixture; And the gas that bypass goes out is guided to liquor separator 14 return cylinder, the refrigerant degree of superheat is little, and refrigerating capacity is increased.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (9)
1. capacity variable type compressor comprises: cylinder block (4), suction port (1), exhaust port (3) and be arranged on the bypass valve opening (7) on the said cylinder block (4), it is characterized in that,
Said bypass valve opening (7) comprises slide part (72) and limitation part (71);
Said capacity variable type compressor also comprises:
Derived channel comprises leading-in end and derives end that said leading-in end is drawn from the said slide part (72) of said bypass valve opening (7), and said derivation end is arranged on the outer wall of said cylinder block (4);
Piston valve body (17); Be arranged in the said bypass valve opening (7); Said piston valve body (17) cooperates with said slide part (72) slidably, and said limitation part (71) is limited to said piston valve body (17) in the said bypass valve opening (7) in internal face one side of said cylinder block (4), and said piston valve body (17) comprises first pressure surface and second pressure surface; Said first pressure surface bears the pressure of gas in the cylinder; Said second pressure surface bears a pilot pressure, and said piston valve body (17) is according to the transition activities of said pilot pressure, said bypass valve opening (7) is communicated with said derived channel or breaks off.
2. capacity variable type compressor according to claim 1 is characterized in that, said bypass valve opening (7) is stepped, comprising:
First cylindrical hole is positioned at said cylinder block (4) and goes up the side near internal face;
Second cylindrical hole is positioned at said cylinder block (4) and goes up the side near outer wall, and with the coaxial setting of said first cylindrical hole, the diameter of said second cylindrical hole is greater than the diameter of said first cylindrical hole;
Wherein, said first cylindrical hole forms said limitation part (71), and said second cylindrical hole forms said slide part (72).
3. capacity variable type compressor according to claim 2 is characterized in that, said piston valve body (17) is a stepped shaft, and it comprises:
First cylindrical body matches with said first cylindrical hole;
Second cylindrical body matches with said second cylindrical hole, and, integratedly setting coaxial with said first cylindrical body.
4. capacity variable type compressor according to claim 3 is characterized in that, said second pressure surface forms the said piston valve body (17) of hollow to the recessed setting of the direction of said first pressure surface.
5. according to each described capacity variable type compressor in the claim 1 to 4, it is characterized in that said derived channel comprises:
Pod apertures (15) is drawn the said leading-in end of formation from said slide part (72);
Blind hole (16) is drawn the said derivation end of formation from said pod apertures (15).
6. air-conditioner system; Comprise capacity variable type compressor (10), vaporizer (9), condenser (11), switch control unit (8) and pilot line (12); The suction port (1) of said vaporizer (9), said capacity variable type compressor (10), exhaust port (3), said condenser (11) link to each other with said switch control unit (8) through first pipeline, second pipeline, the 3rd pipeline, the 4th pipeline respectively; Said condenser (11) links to each other through the 5th pipeline with said vaporizer (9); It is characterized in that; Said capacity variable type compressor (10) is according to each described capacity variable type compressor in the claim 1 to 5, and an end of said pilot line (12) is communicated with the side of said bypass valve opening (7) near said cylinder block (4) outer wall.
7. air-conditioner system according to claim 6 is characterized in that, the other end of said pilot line (12) is communicated on said first pipeline.
8. air-conditioner system according to claim 7 is characterized in that, said air-conditioner system also comprises:
Liquor separator (14) is arranged on said second pipeline;
Bypass line (13), one of which end are connected to the derivation end of said derived channel, and the other end is connected to said second pipeline.
9. according to each described air-conditioner system among the claim 6-8, it is characterized in that said switch control unit (8) is four-way valve, three-way valve or solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120389530 CN202326238U (en) | 2011-10-13 | 2011-10-13 | Positive displacement compressor and air conditioner system using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120389530 CN202326238U (en) | 2011-10-13 | 2011-10-13 | Positive displacement compressor and air conditioner system using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202326238U true CN202326238U (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120389530 Expired - Lifetime CN202326238U (en) | 2011-10-13 | 2011-10-13 | Positive displacement compressor and air conditioner system using same |
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| CN (1) | CN202326238U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570133A (en) * | 2016-02-02 | 2016-05-11 | 广东美芝制冷设备有限公司 | Variable-displacement compressor and refrigerating device with same |
| CN105570138A (en) * | 2016-02-02 | 2016-05-11 | 广东美芝制冷设备有限公司 | Variable-displacement compressor and refrigerating device with same |
| CN105570134A (en) * | 2016-02-02 | 2016-05-11 | 广东美芝制冷设备有限公司 | Capacity-variable compressor and refrigerating device with same |
| CN109185142A (en) * | 2018-10-23 | 2019-01-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Positive displacement compressor, air handling system |
-
2011
- 2011-10-13 CN CN 201120389530 patent/CN202326238U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570133A (en) * | 2016-02-02 | 2016-05-11 | 广东美芝制冷设备有限公司 | Variable-displacement compressor and refrigerating device with same |
| CN105570138A (en) * | 2016-02-02 | 2016-05-11 | 广东美芝制冷设备有限公司 | Variable-displacement compressor and refrigerating device with same |
| CN105570134A (en) * | 2016-02-02 | 2016-05-11 | 广东美芝制冷设备有限公司 | Capacity-variable compressor and refrigerating device with same |
| CN105570138B (en) * | 2016-02-02 | 2019-04-26 | 广东美芝制冷设备有限公司 | Capacity variable type compressor and refrigerating plant with it |
| CN105570133B (en) * | 2016-02-02 | 2019-04-26 | 广东美芝制冷设备有限公司 | Capacity variable type compressor and refrigerating plant with it |
| CN109185142A (en) * | 2018-10-23 | 2019-01-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Positive displacement compressor, air handling system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |
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| CX01 | Expiry of patent term |