CN1532412A - Closed compressor - Google Patents
Closed compressor Download PDFInfo
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- CN1532412A CN1532412A CNA031208762A CN03120876A CN1532412A CN 1532412 A CN1532412 A CN 1532412A CN A031208762 A CNA031208762 A CN A031208762A CN 03120876 A CN03120876 A CN 03120876A CN 1532412 A CN1532412 A CN 1532412A
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- space
- housing assembly
- shell
- type compressor
- hermetic type
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Abstract
The closed compressor includes casing, electric driving mechanism and compressing mechanism. The casing is communicated with sucking pipe and exhaust pipe; the electric driving mechanism set inside the casing consists of stator and rotor to produce rotation force; and the compressing mechanism consists of cylinder assembly, which separates the space inside the casing into two mutually communicated spaces of sucking space with the electric driving mechanism set and exhaust space connected to the exhaust pipe, partition board, rotating shaft and guide boards. The cylinder assembly is separated from the sucking pipe and has sucking port for communication with the sucking space and exhaust port for communication with the exhaust space. The closed compressor can prevent exhausted gas in high temperature from contacting with the electric driving mechanism and has no need of alone set liquid storage and thus lowered cost.
Description
Technology space
The present invention relates to compressor field.
Background technique
In general, in the board-like compressor arrangement of guiding, guide plate is crimped on the dividing plate of rotation, the inner space of cylinder body is divided into sucks space and compression volume.Under above-mentioned state, dividing plate is rotated continuous switching sucks space and compression volume, suck the fluid compression and discharge fluid afterwards.
The board-like compressor major part that leads is thought high pressure type compressor, directly be connected suction pipe on the cylinder body, directly will suck the inner space that gas is directed to cylinder body, the pressurized gas after cylinder body will compress is discharged to the inside of shell, guides to freezing cycle device by discharge tube.
Fig. 1 expresses embodiment's sectional arrangement drawing of the high pressure type hermetic type compressor of prior art.
As shown in Figure 1, the high pressure type hermetic type compressor of prior art is made of motor drive mechanism and compressing mechanism substantially.Motor drive mechanism is made of stator Ms and rotor Mr, is arranged on the inside upper part of shell 1, is used to produce power; Compressing mechanism is arranged on the bottom of motor drive mechanism, is used for sucking, compresses and discharges fluid.
Side wall surface one side of shell 1 runs through and is combined with suction pipe SP, and the suction port 2a of the cylinder body 2 that will illustrate below suction pipe SP is used to link is so that make dielectric gas pass through.The first half of shell 1 runs through and is formed with discharge tube DP, and discharge tube DP is used for and will be directed to freezing cycle device from the discharge gas that discharge the inside of shell 1.
In addition, the inlet side of suction pipe SP is provided with liquid-storage container A, and liquid-storage container A is used for separating gas medium and the liquid medium through the freezing cycle device medium.
Fig. 2 expresses the schematic representation that dielectric gas flows in the high pressure type hermetic type compressor of prior art.
As shown in Figure 1 and Figure 2, compressing mechanism comprises cylinder body 2, upper bearing 3A and lower bearing 3B, running shaft 4, dividing plate 5, the first guide plate 6A and the second guide plate 6B, the first spring assembly 7A and the second spring assembly 7B substantially.Be formed with in the cylinder body 2 be used to suck, the inner space V of compressed media gas, cylinder body 2 is fixed on the Lower Half of shell 1; Upper bearing 3A and lower bearing 3B respectively secure bond on cylinder body 2 and below, form housing assembly; Running shaft 4 is combined on the rotor Mr of motor drive mechanism, runs through simultaneously to be combined on upper bearing 3A and the lower bearing 3B, gives compressing mechanism with the transmission of power of motor drive mechanism; Dividing plate 5 forms according to sine wave shape, makes the bi-side up and down of dividing plate 5 have bending point, and dividing plate 5 is combined on the running shaft 4, perhaps forms one with running shaft 4, and the inner space V of cylinder body 2 is divided into the first airtight space S 1 and second space S 2; The first guide plate 6A and the second guide plate 6B contact respectively the top of dividing plate 5 two sides and below, when running shaft 4 rotations, first space S 1 and second space S 2 be divided into suck space and compression volume; The first spring assembly 7A and the second spring assembly 7B elastic support, the first guide plate 6A and the second guide plate 6B.
The first guide plate 6A and the second guide plate 6B slide and are inserted in the guiding board slot (not having symbol) of upper bearing 3A and lower bearing 3B, form to have certain thickness square shape.Form chamfer surface with the contacted dividing plate surface of contact of the waveform curved surface of dividing plate 5 according to certain curvature; Undeclared symbol 3a and 3b are exhaust ports in the drawing.
Below the lead working procedure of board-like compressor of the prior art with said structure is elaborated.
That is to say, as shown in Figure 2, apply power supply to motor drive mechanism, make rotor Mr be rotated, the running shaft 4 that is combined on the rotor Mr is rotated according to some directions with dividing plate 5; Contact the first guide plate 6A on the bi-side up and down of dividing plate 5 and the second guide plate 6B height mutually opposite direction to-and-fro motion up and down respectively, change first space S 1 of cylinder body and the volume of second space S 2 along dividing plate 5; Alternately be inhaled into first space S 1 and second space S 2 with stylish dielectric gas continuously by the suction port 2a that is formed on cylinder body 2 one sides, dielectric gas is along with the rotation of dividing plate 5 is gradually reduced, arrive the moment of discharging starting point from the protrusion curved face part r1 at the two ends of dividing plate 5 and begin to through till each exhaust port 3a, 3b moment, medium gas is alternately discharged by each exhaust port 3a, 3b.
At this moment, the discharge gas that is discharged to shell 1 inside is through behind the stator Ms and the space between the rotor Mr of motor drive mechanism, and DP is discharged to freezing cycle device by discharge tube, carries out above-mentioned a series of process repeatedly.
But, have in the high pressure type hermetic type compressor of prior art of said structure, the discharge gas that compresses the high temperature of discharging from cylinder body 2 heats motor drive mechanism through the space of motor drive mechanism, cause motor drive mechanism overheated phenomenon to occur, cause electric efficiency to descend thus, finally reduced compressor performance.
In addition, be mixed with gas medium and liquid medium in the dielectric gas of freezing cycle device, be inhaled in the cylinder body 2, in order to prevent that in advance liquid medium from flowing in the cylinder body 2, as mentioned above, also need to be provided with liquid-storage container A at the suction port 2a of cylinder body 2 inlet side, caused problems such as cost of production increase.
Summary of the invention
Technical problem to be solved by this invention is, a kind of hermetic type compressor is provided, and can prevent in advance that the discharge gas of high temperature from contacting with motor drive mechanism, can remove to be used to prevent that liquid medium from flowing into the liquid-storage container in the cylinder body.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: hermetic type compressor comprises shell, motor drive mechanism M and compressing mechanism; Shell is connected with suction pipe SP and discharge tube DP; Motor drive mechanism M is arranged on outer casing underpart, is configured for producing rotating force by stator Ms and rotor Mr; Compressing mechanism is made of housing assembly, dividing plate, running shaft, a plurality of guide plate substantially; Housing assembly becomes to suck the space and discharges the space the internal separation of shell, sucks the space and is connected with suction pipe, sucks in the space and is provided with motor drive mechanism M, discharges the space and is connected with discharge tube; Housing assembly separates with suction pipe SP, housing assembly be provided with make housing assembly with suck the suction port that the space is connected and make the exhaust port that housing assembly is connected with the discharge space;
The interior garden side face of the outlet end of described suction pipe body 11 vis-a-vis is provided with fluid separating plate, and the liquids and gases of fluid separating plate in can convection cell separate.
Described fluid separating plate forms opening portion along above-below direction.
Described housing assembly is formed with suction port along axle direction; Be formed with exhaust port along radial direction.
Described hermetic type compressor is combined closely the outer garden of housing assembly side face on the side face of the interior garden of shell, with the internal separation of shell for sucking the space and discharging the space.
Independent high low pressure separating plate is set on the described housing assembly, the high low pressure separating plate is combined closely on the side face of the interior garden of shell, with the internal separation one-tenth suction space and the discharge space of shell.
The inside of described running shaft forms oil circuit along axle direction, and the upper end of oil circuit forms along radial direction towards housing assembly and bearing surface.
The inside of described running shaft is formed with oil circuit along axle direction, utilizes housing assembly to block the rotation the tip of the axis.
The invention has the beneficial effects as follows: hermetic type compressor provided by the invention becomes to suck the space and discharges the space the internal separation of shell, by suction pipe is connected with the suction space, utilizes the medium cool motors structure of low temperature, has improved compressor performance; The discharge gas that can prevent high temperature in advance contacts with motor drive mechanism, need not to be provided with separately liquid-storage container in addition, has reduced cost.
Description of drawings
Fig. 1 expresses embodiment's sectional arrangement drawing of the high pressure type hermetic type compressor of prior art.
Fig. 2 expresses the schematic representation that dielectric gas flows in the high pressure type hermetic type compressor of prior art.
Fig. 3 expresses the low pressure type hermetic type compressor embodiment's of the present invention sectional arrangement drawing.
Fig. 4 expresses the stereogram of the low pressure type hermetic type compressor major component of the present invention that includes cylinder body.
Fig. 5 expresses the sectional arrangement drawing of the major component of the low pressure type hermetic type compressor oil circuit of the present invention.
Fig. 6 expresses the sectional arrangement drawing of the low pressure type hermetic type compressor fluid separating plate of the present invention.
Fig. 7 expresses the schematic representation that flows of the low pressure type hermetic type compressor dielectric gas of the present invention.
The symbol description * * of major component in the * drawing
10: shell 11: body
12,13: upper cap, lower cover 14: fluid separating plate
15: high low pressure separating plate 20: compressing mechanism
21: housing assembly 22: cylinder body
22a: suction port 22b: exhaust port
22c: discharge valve 22d: discharge valve accepting groove
23A, 23B: top, lower bearing 24: dividing plate
25: running shaft 25a: oil circuit
25b: oilhole 26A, 26B: guide plate
27A, 27B: spring assembly 28: oily baffle board
M: motor drive mechanism DP: discharge tube
SP: suction pipe
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail: Fig. 3 expresses the low pressure type hermetic type compressor embodiment's of the present invention sectional arrangement drawing.Fig. 4 expresses the stereogram of the low pressure type hermetic type compressor major component of the present invention that includes cylinder body.Fig. 5 expresses the sectional arrangement drawing of the major component of the low pressure type hermetic type compressor oil circuit of the present invention.Fig. 6 expresses the sectional arrangement drawing of the low pressure type hermetic type compressor fluid separating plate of the present invention.
As shown in the figure, the low pressure type hermetic type compressor of the present invention comprises shell 10, motor drive mechanism M and compressing mechanism 20 substantially.Shell 10 is divided into suction space that is connected with suction pipe SP and the discharge space that is connected with discharge tube DP; Motor drive mechanism M is arranged on the suction space of shell 10 bottoms, is used to produce rotating force; Compressing mechanism 20 is arranged to the internal separation of shell 10 to be become suck the space and discharge the space, and compressing mechanism 20 is connected with the rotor Mr of motor drive mechanism M, and dielectric gas is sucked, compresses and discharges.
In addition, the interior garden side face of outer cover body 11 more precisely, is provided with high low pressure separating plate 15 between compressing mechanism 20 and the suction pipe SP, and high low pressure separating plate 15 is used for shell 10 internal separation are become to suck the space and discharge the space.
High low pressure separating plate 15 forms ring-types, and high low pressure separating plate 15 outer garden side faces are combined closely on the interior garden side face that is fixed on outer cover body 11, combine closely above the high low pressure separating plate 15 in the bottom surface of cylinder body 22, fix by screw combination or welding manner.
Motor drive mechanism M comprises stator Ms and rotor Mr.Stator Ms is fixedly installed on the Lower Half of outer cover body 11; Rotor Mr can be rotatably set in the inboard of stator Ms.
As shown in Figure 4, cylinder body 22 forms ring-type, suction port 22a forms "? " the word section configuration, inside garden side face runs through formation from the bottom surface; Exhaust port 22b forms along radial direction, is arranged above and below with radial, is communicated with space S 1, S2 separately.In addition, be preferably formed as discharge valve accepting groove 22d on the end of exhaust port 22b, 22b, discharge valve accepting groove 22d is used to be provided with discharge valve 22c separately.
Wherein, when combining closely the outer garden side face of cylinder body 22 on the side face of the interior garden of outer cover body 11, discharge valve accepting groove 22d forms " cup " section configuration to upside (discharging the space side) opening.If when possessing high low pressure separating plate 15,, preferably run through discharge valve accepting groove 22d in order to make easy processing.
The central authorities of upper bearing 23A and lower bearing 23B are formed with bearing hole 23a, the 23b of supporting rotating shaft 25, the side of bearing hole 23a, 23b is formed with guiding board slot 23c, 23d, and guiding board slot 23c, 23d are used to make win guide plate 26A and the second guide plate 26B to slide along axle direction.
One end of running shaft 25 is pressed into rotor Mr center, and the other end forms one with dividing plate 24 or combines by the back assembling, and running shaft 25 inserts in bearing hole 23a, the 23b of upper bearing 23A and lower bearing 23B.
In addition, the inside of running shaft 25 prolongs along axle direction and forms oil circuit 25a, and the oil that oil circuit 25a is used for being contained in shell 10 bottom surfaces is drawn onto lubricated each slide part in top; The intermediate portion of oil circuit 25a forms the oilhole 25b of suitable number, and oilhole 25b is used to disperse and is inhaled into the oil of top or supplies oil to slide part.Wherein, the outlet of an oilhole 25b must be exposed the upside at motor drive mechanism, is used for the cool motors structure.
In addition, for interdict be drawn into the top oil to the end of running shaft 25, make oil circuit 25a not run through the rotation the tip of the axis, almost arrive terminal near (more precisely, facing near the bearing hole of upper bearing) be bent to form to radial direction, perhaps utilize the bearing hole 23a end of oily baffle board 28 blocking upper bearing 23A.
Below with reference to back accompanying drawing paper, the action effect of hermetic type compressor of the present invention with said structure is described.That is to say, M applies power supply to motor drive mechanism, make rotor Mr and running shaft 25 be rotated, the dividing plate 24 that then is combined on the running shaft 25 is rotated at the inner space of cylinder body 22 V, alternately suck dielectric gas by suction port 22a to first space S 1 and second space S 2, dielectric gas continues in the processes of rotation at dividing plate 24, and guide plate 26A, 26B by separately are compressed, then by exhaust port 22b, the 22b of space S 1, S2 alternately discharge separately.
Fig. 7 expresses the schematic representation that flows of the low pressure type hermetic type compressor dielectric gas of the present invention.
As shown in Figure 7, the dielectric gas of the low-temp low-pressure of the vaporizer (not expressing in the drawing) of process freezing cycle device directly is drawn into the suction space of shell 10 by suction pipe SP, wherein liquid medium is dirty along fluid separating plate 14 surfaces of shell 10 inside, drops to the bottom of shell 10; Wherein, gas medium rises along fluid separating plate 14, and the suction port 22a by housing assembly 21 is drawn into space separately.At this moment, the liquid medium that drops to shell 10 bottoms is evaporated by the motor heat that motor drive mechanism M produces, and converts gas medium to, and the suction port 22a by housing assembly 21 is inhaled into space S 1, S2 separately.
Then, the dielectric gas that is drawn into space S 1, S2 separately is compressed gradually by the rotation of dividing plate 15, arrive certain and discharge as the discharge space of shell 10 by discharge valve 22c, the 22c that is arranged on exhaust port 22b, the 22b separately in a flash, be discharged to freezing cycle device by discharge tube DP then.
So, always obtaining cryogenic media to the suction space of the shell that is provided with motor drive mechanism, the heat that the cool motors structure produces has prevented from the superheating phenomenon of motor to have improved electric efficiency, has finally improved the performance of whole compressor.
In addition, in prior art, also be mixed with liquid medium through being not only gas medium in the medium of vaporizer, liquid-storage container is directed between the cylinder body at medium gas medium is separated with liquid medium.In the present invention, suction pipe directly is not connected on the cylinder body, is connected, at the inside of shell divided gas flow medium and liquid medium by inside with the shell that is provided with motor drive mechanism.Wherein, liquid medium is evaporated by the motor heat that motor drive mechanism produces, and is drawn into cylinder body then.So need not to be provided with independent liquid-storage container, reducing cost aspect the manufacturing compressor.
Claims (8)
1. a hermetic type compressor comprises shell (10), motor drive mechanism M and compressing mechanism (20); Shell (10) is connected with suction pipe SP and discharge tube DP; Motor drive mechanism M is arranged on shell (10) bottom, is configured for producing rotating force by stator Ms and rotor Mr; Compressing mechanism (20) is made of housing assembly (21), dividing plate (24), running shaft (25), a plurality of guide plate substantially, it is characterized in that: housing assembly (21) becomes to suck the space and discharges the space the internal separation of shell (10), sucking the space is connected with suction pipe SP, suck in the space and be provided with motor drive mechanism M, discharge the space and be connected with discharge tube DP; Housing assembly (21) separates with suction pipe SP, housing assembly (21) be provided with make housing assembly (21) with suck the suction port (22a) that the space is connected and make the exhaust port (22b) that housing assembly (21) is connected with the discharge space;
2. hermetic type compressor according to claim 1, it is characterized in that: the interior garden side face of the outlet end of suction pipe SP body (11) vis-a-vis is provided with fluid separating plate (14), and the liquids and gases of fluid separating plate (14) in can convection cell separate.
3. hermetic type compressor according to claim 2 is characterized in that: fluid separating plate (14) forms opening portion along above-below direction.
4. hermetic type compressor according to claim 1 is characterized in that: housing assembly (21) is formed with suction port (22a) along axle direction; Be formed with exhaust port (22b) along radial direction.
5. hermetic type compressor according to claim 1 is characterized in that: the outer garden of housing assembly (21) side face is combined closely on the side face of the interior garden of shell (10), with the internal separation of shell (10) for sucking the space and discharging the space.
6. hermetic type compressor according to claim 1, it is characterized in that: independent high low pressure separating plate (15) is set on housing assembly (21), high low pressure separating plate (15) is combined closely on the side face of the interior garden of shell (10), with the internal separation one-tenth suction space and the discharge space of shell (10).
7. hermetic type compressor according to claim 1 is characterized in that: the inside at running shaft (25) forms oil circuit (25a) along axle direction, and the upper end of oil circuit (25a) forms along radial direction towards housing assembly (21) and bearing surface.
8. hermetic type compressor according to claim 1 is characterized in that: the inside of running shaft (25) is formed with oil circuit (25a) along axle direction, utilizes housing assembly to block the end of running shaft (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031208762A CN1532412A (en) | 2003-03-25 | 2003-03-25 | Closed compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031208762A CN1532412A (en) | 2003-03-25 | 2003-03-25 | Closed compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1532412A true CN1532412A (en) | 2004-09-29 |
Family
ID=34285484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031208762A Pending CN1532412A (en) | 2003-03-25 | 2003-03-25 | Closed compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1532412A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103282668A (en) * | 2010-12-29 | 2013-09-04 | Lg电子株式会社 | Compressor |
| CN106438362A (en) * | 2016-10-17 | 2017-02-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotary compressor for vehicle and vehicle air conditioning system with compressor |
-
2003
- 2003-03-25 CN CNA031208762A patent/CN1532412A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103282668A (en) * | 2010-12-29 | 2013-09-04 | Lg电子株式会社 | Compressor |
| CN106438362A (en) * | 2016-10-17 | 2017-02-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotary compressor for vehicle and vehicle air conditioning system with compressor |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |