CN2911259Y - Capacity controlling compressor - Google Patents
Capacity controlling compressor Download PDFInfo
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- CN2911259Y CN2911259Y CN 200520043957 CN200520043957U CN2911259Y CN 2911259 Y CN2911259 Y CN 2911259Y CN 200520043957 CN200520043957 CN 200520043957 CN 200520043957 U CN200520043957 U CN 200520043957U CN 2911259 Y CN2911259 Y CN 2911259Y
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Abstract
A capacity controlled type compressor mainly contains a dual-cylinder compressor with a reservoir, and a capacity switch device. A suction tube outlet of reservoir is divided into two paths, which form a dual-cylinder series connection or a dual-cylinder parallel connection together with a upper cylinder and a lower cylinder of the dual-cylinder compressor via a capacity switcher which can switch between two-path-two-way and one-path-two-way, therefor making the discharge capacity be the one of the first cylinder in series connection or the sum of the dural-cylinder in parallel connection. The capacity switch device can be a specialized reversing valve of four-way to two-way, or a combination of a check valve and an ordinary four-way reversing valve, or a combination of an electromagnetic valve and the oridinary four-way reversing valve, or the combination of three electromagnetic valves, or the combination of one check valve and two electromagnetic valves. The control of two discharge capacities of the compressor is achieved by using the invention, which not only simplifies the processing technique, reduces the installment space of compressor, decreases the producing cost, but also takes an advantage of simple and reliable control, and greatly improves market competitiveness.
Description
Technical field
The utility model relates to a kind of rotary compressor that is used for air conditioner, refrigerating machine and heat pump water heater, specifically refers to the compressor and the capacity COMM communication thereof of capacity controllable system.
Background technique
Existing capacity controlled compressor generally is to offer the hole that communicates with suction, exhaust cavity at single stage compressor cylinder or its upper and lower cylinder cap position, utilizes the break-make in these holes of electromagnetic valve again, realizes volume controlled; Also have and utilize two or multiple compressors parallel connection to realize volume controlled.These volume controlled mode technical sophistications, poor reliability, overall cost is higher.
Summary of the invention
The purpose of this utility model is to propose a kind of capacity controlled compressor, change the flow direction of refrigerant gas in the duplex cylinder compressor by a capacity COMM communication, thereby be implemented in conversion between the compression in parallel of twin-tub series connection compression or twin-tub, finish control the air displacement of the air displacement of a cylinder of compressor output or two cylinders.
Another purpose of the present utility model is to propose a kind of four-way-two energising magnetic selector valve that is specially adapted to above-mentioned capacity controlled compressor, with structure and the control of simplifying above-mentioned capacity controlled compressor.
A kind of capacity controlled compressor of the present utility model, the duplex cylinder compressor that mainly comprises a band liquid-storage container, one capacity COMM communication, the sucking pipe outlet of described liquid-storage container is divided into two-way, having two tunnel two logical capacity COMM communication with one tunnel two logical two condition by one is communicated with the upper and lower cylinder of duplex cylinder compressor, when the capacity COMM communication is two the tunnel two when logical, upper and lower cylinder parallel connection, the air displacement of compressor output first order cylinder; When the capacity COMM communication is one the tunnel two when logical, upper and lower cylinder series connection, compressor is exported two cylinder displacement sums.
Described can two the tunnel two logical with one the tunnel two logical between the capacity COMM communication of switching have two input channels (a) and (c) and two output channels (b) and (d), when a working state, input channel (a) communicates with output channel (b), and input channel (c) communicates with output channel (d); When another working state, have one the tunnel in input channel (c) and output channel (b) or input channel (a) and the output channel (d) two tunnel, and have only one the tunnel to be blocked.
A kind of special-purpose four-way-two energising magnetic selector valve that is used for capacity controlled compressor of the present utility model mainly comprises an air slide by electromagnetic valve; Described guiding valve comprises a spool that is moved by electromagnetic valve, a valve seat and two input channels, two output channels.Described spool middle part is a collection chamber, is provided with 4 passages in this collection chamber, and wherein a passage is input channel a, and all the other 3 passages equidistantly are arranged on the described valve seat, and and arranged on left and right sides is output channel b, d, and the centre is another input channel c; Described spool can drive the bowl valve of a left and right slip on valve seat, and this bowl valve can cover described valve seat upper left side adjacent 2 passage b, c or 2 adjacent passage c, d of right side respectively on left and right two positions, and they are connected; And input channel a is not communicated by output channel d or the b that described bowl valve gap is lived with another, it is characterized in that being provided with a valve bowl tongue in described bowl valve one side, when the valve bowl is positioned at a position, and when only being positioned at this position, another output channel do not covered by the valve bowl on the described valve seat is lived and blocked to described valve bowl tongue lid.
Advantage of the present utility model is: by using described capacity COMM communication, particularly use the special-purpose four-way-two energising magnetic selector valve that the utility model proposes, be connected with a duplex cylinder compressor, can realize the conversion between two stage compressor and the duplex cylinder compressor easily, finish the control of two kinds of air displacemenies, not only reduce manufacture cost, simplified processing technology, reduced the installing space of compressor, and control is very simple, reliable, can significantly improve the market competitiveness.
Description of drawings
Fig. 1 is the utility model embodiment 1 a structure principle chart;
Fig. 2 is the utility model embodiment 2 a structure principle chart;
Fig. 3 be can two the tunnel two logical with one the tunnel two logical between the capacity COMM communication schematic representation of switching;
Fig. 4 is the structural representation of the special-purpose four-way-two energising magnetic selector valve that the utility model proposes;
Fig. 5 is a kind of capacity COMM communication schematic representation that is combined into by one-way valve and four-way valve;
Fig. 6 is a kind of capacity COMM communication schematic representation that is combined into by solenoid valve and four-way valve;
Fig. 7 is a kind of schematic representation by the synthetic capacity COMM communication of three electromagnetic valve group;
Fig. 8 is a kind of by one-way valve and the synthetic capacity COMM communication schematic representation of electromagnetic valve group.
Among the figure: 10 liquid-storage containers, the outlet of 12,14 liquid-storage containers, 20 lower cylinders, 22 lower cylinder intakepories, 24 lower cylinder relief openings, 30 upper cylinders, 32 upper cylinder intakepories, 34 upper cylinder relief openings, 40 compressor housings, the outlet of 42 housing tops, 44 housing bypass, 46 arms, 50 selector valves, 51 solenoid electric valves, 52 input channel a, 53 guiding valves, 532 spools, 534 collection chambers, 536 valve seats, 538 valve bowls, 54 output channel b (not capable of blocking), 56 input channel c, 58 output channel d (capable of blocking), the M one-way valve, the N solenoid valve.
Mode of execution
Now the utility model is described in further detail in conjunction with several embodiments.
Embodiment 1:
Present embodiment shows a kind of Placement of duplex cylinder compressor and the special-purpose four-way-two way selected valve that the utility model proposes, as Fig. 1.One way outlet 12 of liquid-storage container 10 links to each other with the inlet 22 of lower cylinder, and the output 24 of lower cylinder links to each other with the output channel 54 not capable of blocking of selector valve 50, and the input channel 52 of selector valve links to each other with bypass 44 on the compressor housing; Another outlet 14 of liquid-storage container links to each other with the output channel capable of blocking 58 of selector valve, and the input channel 56 of selector valve links to each other with the inlet 32 of upper cylinder, and the gas after upper cylinder compresses goes out 42 discharges by compressor top.
Its working procedure is: when selector valve is two the tunnel two when logical, a road 12 of liquid-storage container enters lower cylinder 20, the output of lower cylinder 20 enters bypass 44 on the compressor housing by 54 → 52 paths of selector valve, another road 14 of liquid-storage container enters upper cylinder 30 by 58 → 56 paths of selector valve, the output of the output of upper cylinder 30 and lower cylinder 20 converges in compressor housing, and is discharged by compressor housing top outlet 42.At this moment two cylinder parallel connections, air displacement are two cylinder displacement sums; When selector valve is converted to one the tunnel two when logical, the output of lower cylinder 20 enters upper cylinder 30 by selector valve 54 → 56 paths, the output of upper cylinder 30 goes out 42 by compressor housing top discharges, and another road 14 of liquid-storage container is blocked at output channel capable of blocking 58 places of selector valve, has neither part nor lot in work.
The characteristics of this kind Placement are: when two cylinders series connection compression, air displacement is the air displacement of first order cylinder, and the gas in the housing is the pressurized gas that second level cylinder is discharged.
Embodiment 2
Present embodiment shows the another kind of Placement of duplex cylinder compressor and the special-purpose four-way-two way selected valve that the utility model proposes, as Fig. 2.One way outlet 12 of described liquid-storage container 10 links to each other with the inlet 22 of lower cylinder, and the output 24 of lower cylinder enters compressor housing and goes out 42 by compressor housing top and links to each other with the output channel 54 not capable of blocking of selector valve; Another outlet 14 of liquid-storage container links to each other with the output channel capable of blocking 58 of selector valve, the input channel 56 of selector valve links to each other with the inlet 32 of upper cylinder, the output 34 of upper cylinder is the output of compressor, links to each other with the input channel 52 of selector valve by a branch road 46 on the housing simultaneously.
Its working procedure is: when selector valve is two the tunnel two when logical, a road 12 of liquid-storage container enters lower cylinder 20, and the output 24 of lower cylinder 20 enters compressor housing and goes out 42 by compressor housing top and enters arm 46 with 54 → 52 paths of selector valve; Another road 14 of liquid-storage container enters upper cylinder 30 by 58 → 56 paths of selector valve, and the output of upper cylinder 30 34 and output by the lower cylinder 20 of arm 46 converge the output as compressor.At this moment two cylinder parallel connections, air displacement are two cylinder displacement sums.When selector valve is converted to one the tunnel two when logical, the output 24 of lower cylinder 20 enters compressor housing and the outlet 42 of compressed engine housing top enters upper cylinder 30 with selector valve 54 → 56 paths, and the output 34 of upper cylinder 30 is directly as the outputs of compressor; Another road 14 of liquid-storage container is blocked at output channel capable of blocking 58 places of selector valve, and the arm 46 that links to each other with the output 34 of upper cylinder 30 simultaneously also is blocked at output channel capable of blocking 58 places.At this moment two cylinders series connection, air displacement is the air displacement of first order cylinder.
The characteristics of this kind Placement are: when being used as two cylinders series connection compression, be the medium pressure gas that first order cylinder is discharged in the housing, help reducing the requirement of withstand voltage of housing and prevent freezing medium leakage.
Embodiment 3
Described capacity COMM communication can be for a kind of four-way-two way selected valve, referring to Fig. 3.This device has two input channels (a) and (c) and two output channels (b) and (d), and when a working state, input channel (a) communicates with output channel (b), and input channel (c) communicates with output channel (d); When another working state, have one the tunnel in input channel (c) and output channel (b) or input channel (a) and the output channel (d) two tunnel, and have only one the tunnel to be blocked.
Embodiment 4
According to the working principle of the capacity COMM communication of Fig. 3, this device can be made up of an one-way valve M and a common four-way valve, and referring to Fig. 5, described one-way valve M is connected on the output channel b or d of common four-way valve.When gas is blocked when this output channel flows to four-way valve.
Embodiment 5
This COMM communication also can be made up of a solenoid valve N and a common four-way valve, referring to Fig. 6, described solenoid valve N is connected on the output channel b or d of common four-way valve, by the break-make of control electromagnetic valve, make solenoid valve when state of four-way valve, block this passage.
Embodiment 6
Equally, also available 3 solenoid valves combination of this COMM communication forms, referring to Fig. 7.3 solenoid valve N1, N2 and N3 are connected successively, make input channel a with the free end of N1, the tie point of N1 and N2 is an output channel b, and the tie point of N2 and N3 is another input channel c, and the free end of N3 is another output channel d.When solenoid valve N1 and N3 are logical, when N2 is disconnected, input channel a communicates with output channel b, input channel c communicates with output channel d; Disconnected as solenoid valve N1 and N3, when N2 led to, input channel c communicated with output channel b, and input channel a and output channel d are blocked.
Embodiment 7
The same available one-way valve of this COMM communication and two solenoid valve combinations form, referring to Fig. 8.One-way valve M1 is connected successively with two solenoid valve N4, N5, make input end a with the free end of M1, the tie point of M1 and N4 is an output terminal b, and the tie point of N4 and N5 is another input end c, and the free end of N5 is output terminal d; Logical as solenoid valve N5, when N4 is disconnected, input end a communicates with output terminal b, input end c communicates with output terminal d; Logical as solenoid valve N4, when N5 is disconnected, input end c communicates with output terminal b, is blocked between input end c and the output terminal d, and is also blocked by one-way valve because of reverse between output terminal b and the input end a.
Embodiment 8
The utility model proposes an a kind of example that is exclusively used in the special-purpose four-way-two energising magnetic selector valve of capacity controlled compressor and see Fig. 4, a solenoid valve 51 and an air slide 53 by this electromagnetic valve are arranged in its valve body 50; Described guiding valve 53 mainly comprises spool 532, one valve seats 536 that moved by electromagnetic valve and two input channels, two output channels; Described spool middle part is a collection chamber 534, be provided with 4 passages in this collection chamber, wherein one is that (be a), all the other 3 equidistantly are arranged on the valve seat 536 input channel 52, and arranged on left and right sides is two output channels 54 (being b) and 58 (being d), and middle is another input channel 56 (being c); Described spool 532 drive one can left and right slip on valve seat 536 bowl valve 538, this bowl valve can cover 2 adjacent passages 54 of valve seat 536 upper left sides and 56 or adjacent 2 passages 56 and 58 in right side respectively on left and right two positions, and they are connected; Described bowl valve 538 right sides are provided with a valve bowl tongue 538a, valve bowl 538 covers 2 adjacent passages 56 of right side on the valve seat 536 and 58 when bowl valve 538 is in right-hand member, input channel 52 is not communicated by the output channel b that described bowl valve gap is lived with another, and 538a is inoperative for valve bowl tongue; When this bowl valve 538 was in left end, valve bowl 538 covered 2 adjacent passages 54 of valve seat 536 upper left sides and 56, and valve bowl tongue 538a blocks another output channel 58 simultaneously.
Obviously, described valve bowl tongue 538a also can be located at the left side of described bowl valve 538, and at this moment blocking-up is the output channel 54 in valve seat 536 left sides.
Claims (10)
1. a capacity controlled compressor comprises that mainly one is with the duplex cylinder compressor of liquid-storage container, and a capacity COMM communication is characterized in that:
Described capacity COMM communication has two input channels (a) and (c) and two output channels (b) and (d), and when a working state, an input channel (a) communicates with an output channel (b), and input channel (c) communicates with output channel (d); When switching to another working state, input channel (c) is converted to output channel (b) and communicates, and is blocked between input channel (a) and the output channel (d);
The outlet of described liquid-storage container (10) is divided into two-way, one way outlet (12) is connected with the inlet (22) of lower cylinder, the outlet of this lower cylinder (24) is connected with the output channel (b) of described capacity COMM communication, the input channel of COMM communication (a) is connected with bypass (44) on the compressor housing, another outlet (14) of liquid-storage container (10) is connected with the output channel capable of blocking (d) of COMM communication, the input channel of COMM communication (c) is connected with the inlet (32) of upper cylinder, and the gas (34) after the upper cylinder compression is by compressor top outlet (42) output.
2. capacity controlled compressor according to claim 1 is characterized in that: described capacity COMM communication (50) mainly comprises an air slide by electromagnetic valve; Described guiding valve comprises a spool (532) that is moved by electromagnetic valve, a valve seat (536) and two input channels (a), (c) and two output channels (b), (d);
Described spool middle part is collection chamber (534), be provided with 4 passages in this collection chamber, wherein one is input channel (a), and all the other 3 equidistantly are arranged on the described valve seat (536), and arranged on left and right sides is output channel (b), (d), and the centre is another input channel (c); Described spool (532) can drive one on valve seat a left side, the right bowl valve (538) that slides, be provided with a valve bowl tongue (538a) on described bowl valve right side, when this bowl valve is positioned at the right side, cover adjacent 2 passages (c) in right side on the described valve seat, (d), and they are connected, input channel (a) is not communicated by the output channel (b) that described bowl valve gap is lived with the valve seat upper left side, when this valve bowl is positioned at leftward position, cover adjacent 2 passages (b) in described valve seat left side, (c), and they are connected, another output channel (d) on described valve bowl tongue (538a) blocking-up input channel (a) and described valve seat right side is connected.
3. capacity controlled compressor according to claim 1, it is characterized in that described capacity COMM communication is that an one-way valve (M) or a solenoid valve (N) are formed with common four-way valve combination, described solenoid valve (N) or solenoid valve (N) are connected on the output channel of common four-way valve.
4. capacity controlled compressor according to claim 1, it is characterized in that: described capacity COMM communication is with 3 solenoid valves (N1), (N2) and (N3) series connection successively, and the free end with (N1) is made an input channel (a), (N1) be an output channel (b) with (N2) tie point, (N2) be another input channel (c) with (N3) tie point, free end (N3) is another output channel (d).
5. capacity controlled compressor according to claim 1, it is characterized in that: described capacity COMM communication is in series with 2 solenoid valves (N4), (N5) successively by 1 one-way valve (M1), and the free end with (M1) is made an input channel (a), (M1) be an output channel (b) with (N4) tie point, (N4) be another input channel (c) with (N5) tie point, free end (N5) is another output channel (d).
6. a capacity controlled compressor comprises that mainly one is with the duplex cylinder compressor of liquid-storage container, and a capacity COMM communication is characterized in that:
Described capacity COMM communication has two input channels (a) and (c) and two output channels (b) and (d), and when a working state, input channel (a) communicates with output channel (b), and input channel (c) communicates with output channel (d); When switching to another working state, input channel (c) is converted to output channel (b) and communicates, and is blocked between input channel (a) and the output channel (d);
The outlet of described liquid-storage container (10) is divided into two-way, one way outlet (12) is connected with the inlet (22) of lower cylinder, and the outlet of this lower cylinder (24) feeds compressor housing and is connected with the output channel (b) of described capacity COMM communication by compressor housing top outlet (42); Another outlet (14) of liquid-storage container (10) is connected with the output channel capable of blocking (d) of capacity COMM communication, another input channel (c) of COMM communication is connected with the inlet (32) of upper cylinder, and the outlet of upper cylinder (34) is connected with the input channel (52) of COMM communication for the output of compressor and by a branch road (46).
7. capacity controlled compressor according to claim 6 is characterized in that: described capacity COMM communication (50) mainly comprises an air slide by electromagnetic valve; Described guiding valve comprises a spool (532) that is moved by electromagnetic valve, a valve seat (536) and two input channels (a), (c) and two output channels (b), (d);
Described spool middle part is collection chamber (534), be provided with 4 passages in this collection chamber, wherein one is input channel (a), and all the other 3 equidistantly are arranged on the described valve seat (536), and arranged on left and right sides is output channel (b), (d), and the centre is another input channel (c); Described spool (532) can drive one on valve seat a left side, the right bowl valve (538) that slides, be provided with a valve bowl tongue (538a) on described bowl valve right side, when this bowl valve is positioned at the right side, cover adjacent 2 passages (c) in right side on the described valve seat, (d), and they are connected, input channel (a) is not communicated by the output channel (b) that described bowl valve gap is lived with the valve seat upper left side, when this valve bowl is positioned at leftward position, cover adjacent 2 passages (b) in described valve seat left side, (c), and they are connected, another output channel (d) on described valve bowl tongue (538a) blocking-up input channel (a) and described valve seat right side is connected.
8. capacity controlled compressor according to claim 6, it is characterized in that described capacity COMM communication is that an one-way valve (M) or a solenoid valve (N) are formed with common four-way valve combination, described solenoid valve (N) or solenoid valve (N) are connected on the output channel of common four-way valve.
9. capacity controlled compressor according to claim 6, it is characterized in that: described capacity COMM communication is with 3 solenoid valves (N1), (N2) and (N3) series connection successively, and the free end with (N1) is made an input channel (a), (N1) be an output channel (b) with (N2) tie point, (N2) be another input channel (c) with (N3) tie point, free end (N3) is another output channel (d).
10. capacity controlled compressor according to claim 6, it is characterized in that: described capacity COMM communication is in series with 2 solenoid valves (N4), (N5) successively by 1 one-way valve (M1), and the free end with (M1) is made an input channel (a), (M1) be an output channel (b) with (N4) tie point, (N4) be another input channel (c) with (N5) tie point, free end (N5) is another output channel (d).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520043957 CN2911259Y (en) | 2005-08-02 | 2005-08-02 | Capacity controlling compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520043957 CN2911259Y (en) | 2005-08-02 | 2005-08-02 | Capacity controlling compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2911259Y true CN2911259Y (en) | 2007-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520043957 Expired - Lifetime CN2911259Y (en) | 2005-08-02 | 2005-08-02 | Capacity controlling compressor |
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| CN (1) | CN2911259Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017024865A1 (en) * | 2015-08-10 | 2017-02-16 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and heat exchange system |
| WO2019218796A1 (en) * | 2018-05-18 | 2019-11-21 | 麦克维尔空调制冷(武汉)有限公司 | Capacity control system and method for screw compressor capable of switching running rotating speed at constant frequency |
| CN111828319A (en) * | 2019-04-17 | 2020-10-27 | 上海海立电器有限公司 | Double-cylinder two-stage variable-capacity compressor |
-
2005
- 2005-08-02 CN CN 200520043957 patent/CN2911259Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017024865A1 (en) * | 2015-08-10 | 2017-02-16 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and heat exchange system |
| WO2019218796A1 (en) * | 2018-05-18 | 2019-11-21 | 麦克维尔空调制冷(武汉)有限公司 | Capacity control system and method for screw compressor capable of switching running rotating speed at constant frequency |
| CN111828319A (en) * | 2019-04-17 | 2020-10-27 | 上海海立电器有限公司 | Double-cylinder two-stage variable-capacity compressor |
| CN111828319B (en) * | 2019-04-17 | 2021-10-08 | 上海海立电器有限公司 | Double-cylinder two-stage variable-capacity compressor |
| US11353025B2 (en) | 2019-04-17 | 2022-06-07 | Shanghai Highly Electrical Appliances Co., Ltd. | Dual-cylinder two-stage variable cpacity compressor |
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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 |
Expiration termination date: 20150802 Granted publication date: 20070613 |
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| EXPY | Termination of patent right or utility model |