CN102628442A - Compressor - Google Patents
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- CN102628442A CN102628442A CN2012100260480A CN201210026048A CN102628442A CN 102628442 A CN102628442 A CN 102628442A CN 2012100260480 A CN2012100260480 A CN 2012100260480A CN 201210026048 A CN201210026048 A CN 201210026048A CN 102628442 A CN102628442 A CN 102628442A
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Abstract
The invention provides a compressor capable solving a problem of low efficiency of an electric motor part that caused by that high temperature high pressure refrigerating fluid compressed by a compressing mechanism flows through the electric motor part and makes the electric motor part heated. A housing (1) is provided with a discharge pipe (21) discharge space (40) used for refrigerating fluid compressed by a compressing mechanism (2) out of the housing, and an electric motor space (50) provided with the electric motor part. Thus, the high temperature high pressure refrigerating fluid compressed by a compressing mechanism does not flow through the electric motor part and is not heated by the refrigerating fluid. Thus, the high efficiency of the electric motor part can be realized.
Description
Technical field
The present invention relates to be used for the compressor of cooling units such as cold-warm conditioner and refrigerated warehouse or heat pump type hot watering supply device.
Background technique
In the existing technology; The compressor that is used for aircondition and cooling unit etc. comprises compression mechanical part and the motor part that drives this compression mechanical part usually in housing (casing), play the refrigerant gas that returns from refrigeration cycle with the compression mechanical part compression and it is sent into the effect of refrigeration cycle.Usually, by compression mechanical part refrigerant compressed gas,, be sent to refrigeration cycle (for example with reference to patent documentation 1) from the discharge pipe arrangement that is arranged at housing afterwards through temporarily around motor, flowing with cool motors portion
Fig. 6 is the longitudinal section of the existing compressor put down in writing of patent documentation 1.By compression mechanical part 2 refrigerant compressed gases, discharged to the top of compression mechanical part 2 from exhaust port 18.Afterwards, the path 52 of the periphery of refrigerant gas through being arranged at framework 7 is discharged to the top of the motor space 50 between compression mechanical part 2 and motor part 3.Part of refrigerant gas after cool motors portion 3, is discharged by being arranged at the discharge pipe arrangement 21 of discharging space 40.In addition; The refrigerant gas of gas through the path 19 between the inwall that is formed at motor part 3 and housing 1, is communicated with the motor space 50 of the upper and lower of motor part 3; After the cool motors portion 3; The gap of rotor and stator through motor part 3 enters into the motor space 50 on the top of motor part 3, discharges from being arranged at the discharge pipe arrangement 21 of discharging space 40.
The look-ahead technique document
Patent documentation
Patent documentation 1: japanese kokai publication hei 5-44667 communique
Summary of the invention
Invent problem to be solved
Yet in the such existing structure of patent documentation 1 record, by the high-temperature high-pressure refrigerant gas after compression mechanical part 2 compressions, owing to flow through motor part 3, motor part 3, can cause that the efficient of motor part 3 reduces by the refrigerant gas heating.In addition; The discharge gas of high temperature is through being arranged at the path 52 of framework 7 peripheries; Bottom at compression mechanical part 2 is flow through, so compression mechanical part 2 is heated, the refrigerant gas that is in low-temperature condition that particularly returns from refrigeration cycle is heated the process that is sent to pressing chamber via the suction path.Therefore, have in the actual moment of being closed in the pressing chamber the inside of refrigerant gas, refrigerant gas expands, and causes the problem that circulating load reduces.
So the present invention solves above-mentioned existing issue and researches and develops, purpose is to provide a kind of compressor, and its motor part by the refrigerant gas heating, can not suppress compression mechanical part in addition and heated by the refrigerant gas of HTHP.
Be used to solve the method for problem
Inside for the housing of discharging atmosphere in, be separated out and be provided with the discharge space of the discharge pipe arrangement that is compressed portion of mechanism refrigerant compressed gas channeling outside and be provided with the motor space of motor part.
According to this structure, the high-temperature high-pressure refrigerant gas that is compressed portion of mechanism compression is not discharged to outside through motor part ground from discharging pipe arrangement, thus motor part can not heated by refrigerant gas, thereby realize the high efficiency of motor part.In addition, because of compression mechanical part is suppressed by the suction heating that the refrigerant gas heating is caused, so can realize the compressor that volumetric efficiency is high.
The effect of invention
Compressor of the present invention can be realized the high efficiency of motor part.In addition, can realize the compressor that volumetric efficiency is high.
Description of drawings
Fig. 1 is the sectional view of the compressor of embodiment of the present invention 1.
Fig. 2 is the cross-sectional view of the compression mechanical part of embodiment of the present invention 1.
Fig. 3 is the temperature measuring result's of each one in the embodiment of the present invention 1 figure.
Fig. 4 is the sectional view of the compressor of embodiment of the present invention 2.
Fig. 5 is the sectional view of the compressor of embodiment of the present invention 3.
Fig. 6 is the longitudinal section of existing compressor.
Description of reference numerals
1 housing
2 compression mechanical parts
3 motor part
18 exhaust ports
20 oil conservators
21 discharge pipe arrangement
40 discharge spaces
50 motor space
77 bafflers
80 access
81 collision bodies
Embodiment
First the present invention is a kind of compressor; It is characterized in that: in the housing of inside for discharge atmosphere; Have the compression mechanical part of compression refrigerant gas and the motor part of portion of drive compression mechanism; Have the discharge pipe arrangement that is compressed portion of mechanism refrigerant compressed gas channeling outside at housing, in housing, form: be provided with discharge space of discharging pipe arrangement and the motor space that is provided with motor part, wherein discharge the space and motor space is separated out.Thus; Be compressed the high-temperature high-pressure refrigerant gas of portion of mechanism compression; Be not discharged to contiguously and discharge the space with motor part; Be discharged to outside through being arranged at the discharge pipe arrangement of discharging the space afterwards, so motor part can not heated by refrigerant gas, the efficient that can suppress motor part reduces.Can realize high efficiency compressor thus.
Second invention does, by the space of compression mechanical part with the space that is separated into a side in the housing and the opposing party, setting is from the exhaust port of compression mechanical part discharging refrigerant gas in a side space, with the opposing party's space as motor space.Thus, the refrigerant gas that is compressed the highest temperature that portion of mechanism compression discharges from exhaust port is through motor space, so the refrigerant gas of high temperature can not heat motor part because of transmission of heat, the efficient that can further suppress motor part reduces.
The 3rd invention does, in lower part of frame oil conservator is set, and compression mechanical part is arranged on the position of more leaning on top than motor part.Thus; Because compression mechanical part does not contact with the oil conservator of lower housing portion; So the oil of oil conservator can be in the compression mechanical part heating of high temperature because of the heat of compression; Oil viscosity can not reduce, and can suppress to reduce that the efficient that causes reduces and because of the not enough slide part reliability deterioration that causes of oil film etc. because of the sealing of compression mechanical part.
The 4th invention does, with a side space as the discharge space.Thus; Discharging space and motor space is separated by compression mechanical part; Do not pass through motor part so be compressed the high-temperature high-pressure refrigerant gas of portion of mechanism compression; Be discharged to outside from the discharge pipe arrangement of discharging the space setting, so motor part can not heated by refrigerant gas, the efficient that can further suppress motor part reduces.Can realize more high efficiency compressor thus.In addition, the high temperature refrigerant gas that is compressed the compression of portion of mechanism flows around compression mechanical part, can be reduced in the heating that compression mechanical part particularly sucks the refrigerant gas that produces in the path thus.Thus, be suppressed owing to suck heating, so can realize the compressor that volumetric efficiency is high.
The 5th invention is to discharge the space that the space is arranged on the opposing party.Thus; Refrigerant gas is discharged to an above-mentioned side's space from exhaust port; The oil in the refrigerant gas can efficient be separated thus well in the discharge space in the space through being provided with the opposing party afterwards, and the heat exchanger performance that can suppress in the refrigeration cycle reduces.
The 6th invention does, the baffler that covers exhaust port is set, and is provided with the access of discharging refrigerant gas in housing at baffler.Be fed into compression mechanical part owing to play the oil of sealing and lubricity effect; Although so discharge from exhaust port containing under the oil condition compressed refrigerant; But because baffler covers exhaust port, so can carry out the separation of refrigerant gas institute oil-containing efficiently with this baffler.Afterwards, refrigerant gas is discharged in the housing via the access that is arranged at baffler, afterwards, is discharged to outside from being arranged at the discharge pipe arrangement of discharging the space, so the heat exchanger performance that can suppress in the refrigeration cycle reduces.In addition, exhaust port in compression mechanical part uses leaf valve to make under the situation that refrigerant gas discharges, and can enough bafflers reduces the noise of leaf valve etc., can realize the compressor of low noise.
The 7th invention does, is provided with collision body in the outlet of the access of baffler, and this collision body has the mobile plane orthogonal with refrigerant gas.Thus; In baffler, the contained oil of refrigerant gas is separated; And collide with the collision body that flows to orthogonal plane of refrigerant gas and to separate through being arranged at having of silencing end, can carry out the separation of refrigerant gas institute oil-containing more efficiently thus.
The 8th invention does, the outlet of access that makes baffler is near the internal face of housing.Thus, because the refrigerant gas that contains oil of discharging from the outlet of the access of baffler and the internal face of housing are collided, so can carry out the separation of refrigerant gas institute oil-containing more efficiently.
The 9th invention is to be provided with a plurality of bafflers.Thus, separate the contained oil of refrigerant gas in a plurality of spaces in baffler, can carry out the separation of refrigerant gas institute oil-containing more efficiently.In addition, exhaust port in compression mechanical part uses leaf valve to make under the situation that refrigerant gas discharges, and the noise of leaf valve etc. is reduced, and can further realize the more compressor of low noise.
The tenth invention does, as baffler, first baffler that covers exhaust port and second baffler that covers first baffler is set, and the opening portion of the opening portion of first baffler and second baffler clips exhaust port and is disposed at relative position.Thus, can further carry out the separation of refrigerant gas institute oil-containing 6 more efficiently.
The 11 invention does, use high-pressure refrigerant for example carbon dioxide as refrigeration agent.Using under the situation of carbon dioxide coolant, the head pressure of compressor and the pressure difference of suction pressure are up to pressure difference about more than 7～10 times who with freon is the existing refrigeration cycle of refrigeration agent.Therefore; Compressed refrigerant also becomes HTHP easily; But the high-temperature high-pressure refrigerant gas that is compressed the compression of portion of mechanism is not discharged to outside through motor part ground from discharging pipe arrangement; So motor part can not heated by refrigerant gas, the efficient that can suppress motor part especially reduces.Therefore, can realize high efficiency compressor.In addition, the high-temperature high-pressure refrigerant gas that is compressed the compression of portion of mechanism flows around compression mechanical part, can further be reduced in the heating that compression mechanical part particularly sucks the refrigerant gas that produces in the path thus.Thus, be suppressed owing to suck heating, so can realize the compressor that volumetric efficiency is high.
Below, with reference to accompanying drawing embodiment of the present invention is described.In addition, the present invention does not receive the qualification of this mode of execution.
(mode of execution 1)
Fig. 1 is the sectional view of the compressor of embodiment of the present invention 1.Below action, the effect of the compressor of this mode of execution described.
As shown in Figure 1, the compressor of this mode of execution has the compression mechanical part 2 of compression refrigerant gas and the motor part 3 of portion of drive compression mechanism 2 in the housing 1 of inside for discharge atmosphere.
Have discharge pipe arrangement 21 at housing 1 by compression mechanical part 2 refrigerant compressed gas channeling housings 1 outside.
In housing 1, form and be provided with discharge space 40 of discharging pipe arrangement 21 and the motor space 50 that is provided with motor part 3.
Clip rotation scroll 13 between 12 at main bearing parts 11 and fixed scroll (scroll), constitute the compression mechanical part 2 of eddy type.
Discharging space 40 is separated by compression mechanical part 2 with motor space 50.
That is, the side's in the housing 1 that is separated by compression mechanical part 2 space forms discharges space 40, another space formation motor space 50 that housing 1 is interior.
Modes such as main bearing parts 11 usefulness welding or hot embedding are fixed in the housing 1, play a role as the bearing of crankshaft 4.Fixed scroll 12 usefulness stop screw rods are fixed on the main bearing parts 11.Fixed scroll 12 and 13 engagements of rotation scroll.In addition, rotating the rotation limting mechanism 14 that is provided with formations such as Oudan ring (Oldham ring, partition ring) between scroll 13 and the main bearing parts 11.Rotation limting mechanism 14 prevents to rotate the rotation of scroll 13, will rotate scroll 13 and guide and become to carry out circular orbit motion.Be formed with eccentric axial portion 4a in the upper end of crankshaft 4.Eccentric axial portion 4a carries out eccentric drive to rotation scroll 13, makes rotation scroll 13 carry out the circular orbit motion.
Between fixed scroll 12 and rotation scroll 13, be formed with pressing chamber 15.Pressing chamber 15 is formed between the inwall of volume 13b of outer wall and rotation scroll 13 of volume (wrap) 12b of fixed scroll 12, is formed in addition between the outer wall of inwall and the volume 13b that rotates scroll 13 of volume 12b of fixed scroll 12.Pressing chamber 15 comes compression refrigerant gas through moving to diminish to central part with the outer circumferential side that rotates scroll 13 from fixed scroll 12 on one side on one side.
Refrigerant gas is inhaled into pressing chamber 15 from the suction path 17 of leading to housing 1 outside suction pipe 16 and fixed scroll 12 peripheral parts.Then, in pressing chamber 15, reach the refrigerant gas more than the authorized pressure, push leaf valve 19 open from the exhaust port 18 of fixed scroll 12 central parts and be discharged from.Exhaust port 18 is covered by baffler 77, pushes the refrigerant gas that leaf valve 19 is discharged from open, is discharged to silencer space 39.
In addition, motor part 3 is between the main bearing parts 11 and supplementary bearing parts 24 of compression mechanical part 2 bottoms.Motor part 3 comprises: be fixed in the stator 3a of housing 1 and the rotor 3b that is combined into one with crankshaft 4 through welding or hot embedding etc.In addition, for making rotor 3b and crankshaft 4 stable rotations, make the 13 stable rotations of rotation scroll, the outer peripheral portion in rotor 3b upper and lower end face is provided with the counterweight (balance weight) through pin 22 location.
Between the back side and the main bearing parts 11 of the wallboard 13a of rotation scroll 13, dispose slip stripper loop 78.The inside region of slip stripper loop 78 is the high-pressure area 30 of head pressure atmosphere, and the exterior lateral area of slip stripper loop 78 is to be set to the back pressure chamber 29 that is in the intermediate pressure between head pressure and the suction pressure.Through 30 exerting pressure with back pressure chamber 29 from the high-pressure area, rotation scroll 13 is stably pushed fixed scroll 12, can reduce to leak and stably carry out the circular orbit motion.
Be provided with pump 25 in the lower end of crankshaft 4.Pump 25 is driven in compressor operation.Pump 25 oil 6 that will be located in the oil conservator 20 that housing 1 bottom is provided with drinks up thus.Oil 6 supplies to compression mechanical part 2 through the oil supply hole 26 that runs through in the crankshaft 4.The supply pressure of this moment and the head pressure of scroll compressor also become the back pressure source to rotation scroll 13 about equally.Thus, rotation scroll 13 is brought into play the compression function of stipulating owing to can or not separate or monolateral touching with fixed scroll 12 so stablize.
The part of the oil 6 that so provides, because of supply pressure and deadweight, for the place of seeking to escape gets into the embedding part of eccentric axial portion 4a and rotation scroll 13, and the bearing portion 66 between crankshaft 4 and the main bearing parts 11.Then, with embedding part and bearing portion 66 lubricated and whereabouts, after the cool motors portion 3, return oil conservator 20.
On the other hand; Supply to another part of the oil 6 of the high-pressure area 30 that rotates scroll 13 back sides; Enter into rotation limting mechanism 14 residing back pressure chambers 29 through path 51, this path 51 is formed at rotation scroll 13 and 30 has an opening end in the high-pressure area.Enter into the oil 6 of back pressure chamber 29, the slide part of thrust (slide) slide part and rotation limting mechanism 14 is lubricated, and play the effect that applies back pressure with 29 pairs of rotations of back pressure chamber scroll 13.And oil 6 is fed into pressing chamber 15, plays the effect of sealing oil.
In addition, compression mechanical part 2, does not directly contact with oil conservator 20 so separate with the oil conservator 20 of housing 1 bottom owing to more lean on top than motor part 3.Therefore; Thereby the oil 6 of oil conservator 20 can not become compression mechanical part 2 heating of high temperature because of the heat of compression reduces oil viscosity, so can suppress to reduce that the efficient that causes reduces and because of the not enough slide part reliability deterioration that causes of oil film etc. because of compression mechanical part 2 sealings.
Be elaborated in this compression to refrigerant gas.
Fig. 2 is the cross-sectional view that makes the compression mechanical part under rotation scroll and the fixed scroll engagement.With the order of Fig. 2 (I)～Fig. 2 (IV) represent phase place whenever stagger 90 the degree state.At this; With the pressing chamber that inwall surrounded 15 of the volume 12b of outer wall and the fixed scroll 12 of the volume 13b of rotation scroll 13 as the first pressing chamber 15a, with the pressing chamber that outer wall surrounded 15 of the volume 12b of the inwall of the volume 13b that rotates scroll 13 and fixed scroll 12 as the second pressing chamber 15b.Fig. 2 (I) is the first pressing chamber 15a sealing refrigerant gas state of moment, with this pressing chamber as 15a-1.Afterwards, the first pressing chamber 15a-1 becomes the 15a-2 of (II), 15a-3 (III), 15a-4 (IV), 15a-5 (I), 15a-6 (II), 15a-7 (III).And the first pressing chamber 15a-8 (IV) becomes the position of the exhaust port 18 of fixed scroll 12 central parts formation, and the refrigerant gas in the first pressing chamber 15a-8 is discharged from exhaust port 18.
In addition; In embodiments of the present invention; As shown in Figure 1; Because of high pressure is in the refrigerant gas of highest temperature state, to push leaf valve 19 open with the exhaust port 18 of motor space 50 opposite sides and be discharged to silencer space 39 from being arranged at, this silencer space 39 is formed by the baffler 77 that is provided with the mode that covers exhaust port 18.Be provided with access 80 at baffler 77, this access 80 is communicated with silencer space 39 and the discharge space that is provided with discharge pipe arrangement 21 40.Refrigerant gas leaves discharge space 40 and is discharged to the outside from being arranged at the discharge pipe arrangement 21 of discharging space 40.
Fig. 3 is the temperature measuring result's of the refrigerant gas in each one under certain operating condition figure.As shown in the figure, the temperature measuring result through the existing structure of motor part 3 compares to the temperature measuring result of the refrigerant gas of this mode of execution and refrigerant gas.At this, use the DC brushless motor as motor part 3.Motor part 3 can suppress the heating of turning round and causing, excellent in efficiency.Refrigerant gas is shown in Fig. 6 through the existing structure of motor part 3.
With it relatively; In this mode of execution, as shown in Figure 1, because being compressed portion of mechanism 2 with motor space 50, discharge space 40 separates; So be compressed the refrigerant gas of the HTHP of portion of mechanism 2 compressions; Its part plays the effect that discharge space 40 and motor space 50 are all pressed through the path 52 that runs through compression mechanical part 2, discharges space 40 and mainly enter into from silencer space 39, is not discharged to housing 1 outside through motor part 3 from discharging pipe arrangement 21 afterwards.Thus, owing to motor part 3 can not heated by refrigerant gas, thus as shown in Figure 3, compare through the existing structure of motor part 3 with refrigerant gas, the temperature of motor part 3 is descended 20 ℃.
That is,, can suppress the decrease in efficiency of motor part 3, so can realize high efficiency compressor because motor part 3 can not heated by refrigerant gas.
In addition; At refrigerant gas under the situation of this mode of execution through motor part 3; Compare with existing structure; Because the heating of motor space 50 also is suppressed,, particularly can be reduced in the heating of the refrigerant gas of the suction path that refrigerant gas passed through 17 generations under the low-temperature condition so the heating of compression mechanical part 2 bottoms also is suppressed.And then, also be suppressed from the heating of housing 1 to the suction path 17 of compression mechanical part 2.Therefore, be suppressed owing to suck heating, so can realize the compressor that volumetric efficiency is high.
In addition; Be fed into compression mechanical part 2 owing to play the oil 6 of sealing and lubricity effect; So containing oily 6 compressed refrigerant discharges from exhaust port 18; But because baffler 77 is configured to cover exhaust port 18, so can carry out the separation of refrigerant gas institute oil-containing 6 efficiently in silencer space 39.Afterwards; Refrigerant gas is via the access that is arranged at baffler 77 80; Also can carry out the separation of refrigerant gas institute oil-containing 6 in discharge space 40; And be discharged to housing 1 outside from being arranged at the discharge pipe arrangement 21 of discharging space 40, so the heat exchanger performance that can suppress in the refrigeration cycle reduces.
In addition, use leaf valve 19 to make refrigerant gas discharge exhaust port 18,, but can reduce the noise of leaf valve 19, can realize the compressor of low noise through baffler 77 so leaf valve 19 will produce noise.At this, be discharged from the contained oil 6 of refrigerant gas that separate in space 40, the gap that path 52 through running through compression mechanical part 2 and compression mechanical part 2 and housing are 1 falls to motor part 3, returns oil conservator 20.
And, collision body 81 is set, plane orthogonal that this collision body 81 has and refrigerant gas flows in the outlet of the access 80 of baffler 77.
Thus; Through in baffler 77, separating the oil 6 in the refrigerant gas; And then through be arranged at baffler 77 outlet, have to collide and separate with the collision body 81 of refrigerant gas orthogonal plane, can carry out the separation of refrigerant gas institute oil-containing 6 more efficiently.
In addition, the outlet of access 80 that baffler 77 is set is so that its internal face near housing 1.Thus, because the refrigerant gas that comprises oil 6 of discharging from the outlet of the access 80 of baffler 77 and the internal face of housing 1 are collided, so can carry out the separation of refrigerant gas institute oil-containing 6 more efficiently.
(mode of execution 2)
Fig. 4 is the longitudinal section of the compressor of embodiment of the present invention 2.
In this mode of execution; By compression mechanical part 2 with the space that is separated into a side in the housing 1 and another space; Exhaust port 18 from compression mechanical part 2 discharging refrigerant gases is set in a side space 60, is provided with in the opposing party's the space and discharges space 40 and motor space 50.
That is, as shown in the figure, with being provided with the discharge space 40 of discharging pipe arrangement 21, be arranged at motor part 3 sides with respect to compression mechanical part 2.In addition, discharging space 40 is separated by demarcation strip 53 with motor space 50.
The refrigerant gas of the HTHP of discharging from exhaust port 18; At first be expelled to silencer space 39; Internal face through baffler 77 and housing 1 with respect to compression mechanical part 2, is discharged to the space 60 with motor part 3 opposite sides after oil 6 collisions in the refrigerant gas are separated.Afterwards, through the path 52 that runs through compression mechanical part 2, be expelled to the discharge space 40 that is separated into motor space 50 with demarcation strip 53, discharge space 40 at this, the oil 6 in the refrigeration agent is separated.At this, demarcation strip 53 is communicated with through a part that makes refrigerant gas discharges space 40 and motor space 50, also plays the effect that discharge space 40 and motor space 50 are all pressed.
Thus, further the oil 6 in the high efficiency separation refrigeration agent can suppress the heat exchanger performance reduction in the refrigeration cycle.
(mode of execution 3)
Fig. 5 is the longitudinal section of the compressor of embodiment of the present invention 3.As shown in the figure, be provided with the first baffler 77a and the second baffler 77b.
The structure such according to Fig. 5; At first; Refrigerant gas separates in the contained space of oil 6 in the first baffler 77a, and the refrigerant gas after the separation is in outlet and the second baffler 77b collision of the first baffler 77a, and then the contained oil 6 of refrigerant gas is separated.Afterwards, separate through collision body 81 collisions, this collision body 81 is arranged at the outlet of the second baffler 77b, has and the refrigerant gas plane orthogonal.Owing to itself and the internal face of housing 1 are collided, so can carry out the separation of refrigerant gas institute oil-containing 6 more efficiently.
The first baffler 77a covers exhaust port 18, the second baffler 77b and covers the first baffler 77a.And the opening portion 80b of the opening portion 80a of the first baffler 77a and the second baffler 77b preferably clips exhaust port 18 and is configured in relative position.Thus, can further carry out the separation of refrigerant gas institute oil-containing 6 more efficiently.
In addition, baffler more than three also can be set.
In addition, as shown in Figure 4 in the compressor of mode of execution 3, be arranged at motor part 3 sides through being provided with the discharge space 40 of discharging pipe arrangement 21 with respect to compression mechanical part 2, can further carry out the separation of refrigerant gas institute oil-containing 6 more efficiently.
In addition; Owing to use leaf valve 19 to make refrigerant gas be discharged to compression mechanical part 2 at exhaust port 18; So the noise of leaf valve 19 is reduced, can realize the more compressor of low noise.
At last; Use high-pressure refrigerant for example under the situation of carbon dioxide at working fluid; The head pressure of compressor and the pressure difference of suction pressure are big, so compressed refrigerant also is easy to become HTHP, but the mode of execution of the application of the invention; Can present significant especially effect, the scroll compressor of realizing high efficiency, low noise can be provided.
In addition, in this mode of execution, be illustrated as example, but self-evident, for example also can obtaining equal effect in rotary and reciprocating type, other compressors with eddy type.
Utilize possibility on the industry
As stated, compressor of the present invention can both be realized high efficiency, high reliability under various operating conditions, and working fluid is not limited to refrigeration agent, also can be applicable to the purposes of fluid machineries such as air compressor, vacuum pump, decompressor.
Claims (11)
1. compressor is characterized in that:
In the housing of inside for discharge atmosphere, have the compression mechanical part and the motor part that drives said compression mechanical part of compression refrigerant gas,
Have by the discharge pipe arrangement of the said outside of said compression mechanical part refrigerant compressed gas channeling at said housing,
In said housing, form: be provided with the discharge space and the motor space that is provided with said motor part of said discharge pipe arrangement, wherein
Said discharge space and said motor space are separated out.
2. compressor as claimed in claim 1 is characterized in that:
By said compression mechanical part with being separated into a side space and the opposing party's space in the said housing; The exhaust port of discharging said refrigerant gas from said compression mechanical part is set in a said side's space, with said the opposing party's space as said motor space.
3. according to claim 1 or claim 2 compressor is characterized in that:
In said lower part of frame oil conservator is set, said compression mechanical part is arranged on the position of more leaning on top than said motor part.
4. like claim 2 or 3 described compressors, it is characterized in that:
With a said side's space as said discharge space.
5. like claim 2 or 3 described compressors, it is characterized in that:
Said discharge space is arranged on said the opposing party's space.
6. like each described compressor in the claim 2～5, it is characterized in that:
The baffler that covers said exhaust port is set, is provided with the access of in said housing, discharging said refrigerant gas at said baffler.
7. compressor as claimed in claim 6 is characterized in that:
Outlet at said access is provided with collision body, and this collision body has the mobile plane orthogonal with said refrigerant gas.
8. like claim 6 or 7 described compressors, it is characterized in that:
Make the internal face of the outlet of said access near said housing.
9. like each described compressor in the claim 6～8, it is characterized in that:
Be provided with a plurality of said bafflers.
10. compressor as claimed in claim 9 is characterized in that:
As said baffler, first baffler that covers said exhaust port and second baffler that covers said first baffler are set, the opening portion of the opening portion of said first baffler and said second baffler clips said exhaust port and is disposed at relative position.
11., it is characterized in that like each described compressor in the claim 1～9:
Use high-pressure refrigerant for example carbon dioxide as refrigeration agent.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011023606 | 2011-02-07 | ||
| JP2011-023606 | 2011-02-07 | ||
| JP2011-108014 | 2011-05-13 | ||
| JP2011108014 | 2011-05-13 |
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| CN102628442A true CN102628442A (en) | 2012-08-08 |
| CN102628442B CN102628442B (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210026048.0A Active CN102628442B (en) | 2011-02-07 | 2012-02-07 | Compressor |
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| JP (1) | JP2012255430A (en) |
| CN (1) | CN102628442B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795484A (en) * | 2016-09-02 | 2018-03-13 | 日立江森自控空调有限公司 | Closed-type electrically-driven compressor and freezing equipment |
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|---|---|---|---|---|
| JPH04143489A (en) * | 1990-10-04 | 1992-05-18 | Daikin Ind Ltd | Scroll type fluid machine |
| JP2006283608A (en) * | 2005-03-31 | 2006-10-19 | Matsushita Electric Ind Co Ltd | Hermetic compressor |
| JP2008008161A (en) * | 2006-06-27 | 2008-01-17 | Sanden Corp | Compressor |
| CN101583777A (en) * | 2007-01-15 | 2009-11-18 | 松下电器产业株式会社 | Expander-integrated compressor |
| JP2008190444A (en) * | 2007-02-06 | 2008-08-21 | Sanden Corp | Fluid machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795484A (en) * | 2016-09-02 | 2018-03-13 | 日立江森自控空调有限公司 | Closed-type electrically-driven compressor and freezing equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012255430A (en) | 2012-12-27 |
| CN102628442B (en) | 2016-04-20 |
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