CN107143482A - Hermetic type compressor and the refrigerator and vending machine for possessing the compressor - Google Patents
Hermetic type compressor and the refrigerator and vending machine for possessing the compressor Download PDFInfo
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- CN107143482A CN107143482A CN201710015907.9A CN201710015907A CN107143482A CN 107143482 A CN107143482 A CN 107143482A CN 201710015907 A CN201710015907 A CN 201710015907A CN 107143482 A CN107143482 A CN 107143482A
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- mentioned
- hermetic type
- type compressor
- lubricating oil
- frame
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
Abstract
The present invention can also suppress the hermetic type compressor of oil whip foam phenomenon in the case of providing even if miniaturization and possess the refrigerator and vending machine of the compressor.The feature of hermetic type compressor (100) for being related to the present invention is:Possesses the compressing member (20) of compression refrigerant, drive the electric element (30) of above-mentioned compressing member (20), above-mentioned compressing member (20) is configured in upside and the frame (24) of above-mentioned electric element (30) is configured in downside, store above-mentioned compressing member (20), above-mentioned electric element (30) and above-mentioned frame (24) and the closed container (3) for storing lubricating oil, above-mentioned frame (24) is arranged at the elastomeric element on the downside of above-mentioned frame (24), i.e. helical spring (9) is flexibly supported in above-mentioned closed container (3), above-mentioned lubricating oil (40) is below ISO VG6 cycloalkane mineral oil.
Description
Technical field
The present invention relates to hermetic type compressor and possess the refrigerator and vending machine of the compressor.
Background technology
Hermetic type compressor is used in refrigerator, vending machine etc..Hermetic type compressor is such as in the upside tool of frame
Standby compressing member, possesses electric element, the structure that above-mentioned frame is elastically supported in closed container on the downside of frame.
On such hermetic type compressor, Patent Document 1 discloses will not produce reliability to reduce and abundant
Ensure energy-saving that the overload operating of system and realizing produced by the lubricating oil using low viscosity as the invention of purpose.
Kinetic viscosity when storing 40 degree has been recorded in the patent document 1 (to use viscosity grade below 6 square millimeters/second
In general described be below VG6) kinetic viscosity lubricating oil, the efficiency of motor possesses more than 82% under high-load condition.
In addition, having recorded the objective that paraffin class mineral oil is used as above-mentioned lubricating oil in the patent document 1.
Prior art literature
Patent document 1:Japanese Unexamined Patent Publication 2010-127218 publications
In order that the internal capacity of refrigerator, vending machine etc. becomes big, consumingly wish to minimize hermetic type compressor.
Hermetic type compressor is minimized, can exist and hold when device starts (especially when starting to start in the state of refrigerant is tranquil)
It is also easy to produce the phenomenon of oil whip foam.Also, so-called refrigerant tranquility refers in inoperative device etc. for a long time
In the case of the state of refrigerant is dissolved in lubricating oil.Once it is changed into the tranquil state of refrigerant, due to being dissolved in lubricating oil
Refrigerant is so the oil mass of outward appearance also increases, and the rotor of hermetic type compressor is close with pasta, and rotor is immersed in lubricating oil.Cause
This, produces because of the oil whip foam phenomenon that the rotation of rotor is stirred and bubbled with air pressure lubricating oil when starting to start.Produce profit
The oil mass that lubricating oil spumes in phenomenon compressor will be not enough, and generation action is bad and cooling effectiveness is reduced, noise increases etc..
Described invention is thought in patent document 1, because of the kinetic viscosity lubricating oil using below ISO VG6, therefore small
It can be responded in a way in the requirement of type.But, because the lubricating oil used in patent document 1 is paraffin class
Mineral oil, therefore refrigerant dissolves in difficulty from needless to say, can still produce in the case where minimizing hermetic type compressor
The phenomenon of oil whip foam.
The content of the invention
In view of the above problems, its object is to provide one kind can also suppress profit in the case of miniaturization by the present invention
Lubricating oil spume phenomenon hermetic type compressor and possess the refrigerator and vending machine of lid compressor.
The hermetic type compressor for being related to the present invention is characterized as:Possess the compressing member of compression refrigerant, drive above-mentioned compression
The electric element of element, the frame for possessing above-mentioned compressing member in upside and possessing above-mentioned electric element in downside, storage are above-mentioned
Compressing member, above-mentioned electric element and above-mentioned frame and the closed container for storing lubricating oil, the frame are arranged at above-mentioned
The elastomeric element of frame underside is flexibly supported in above-mentioned closed container, and above-mentioned lubricating oil is below ISO VG6 cycloalkane ore deposit
Thing oil.
The refrigerator for being related to the present invention possesses above-mentioned hermetic type compressor.
The vending machine for being related to the present invention possesses above-mentioned hermetic type compressor.
Invention effect
Can provide one kind according to the present invention can also suppress oil whip foam phenomenon in the case of miniaturization
Hermetic type compressor.
In addition, according to the present invention can provide possess suppress oil whip foam phenomenon hermetic type compressor refrigerator with
And vending machine.
Brief description of the drawings
Fig. 1 is the longitudinal sectional view for representing the hermetic type compressor in present embodiment.
Fig. 2 is the transverse sectional view for representing the hermetic type compressor in present embodiment.
Fig. 3 is the schematic diagram for the action effect for illustrating hermetic type compressor, and (a) is present embodiment, and (b) is comparative example.
Fig. 4 represents the general profile chart of the refrigerator of the hermetic type compressor in carrying present embodiment, and (a) is by hermetic type
Compressor is configured at the structure of refrigerator bottom, and (b) is the structure that hermetic type compressor is configured to refrigerator top.
Fig. 5 is the side view of the vending machine for the hermetic type compressor for carrying present embodiment, is to remove a part
Figure.
In figure:100-hermetic type compressor, 20-compressing member, 24-frame, 30-electric element, 3-it is closed hold
Device, 40-lubricating oil, 9-helical spring.
Embodiment
First, illustrated with reference to suitable accompanying drawing on being related to the hermetic type compressor 100 of embodiments of the present invention,
Secondly, illustrated on lubricating oil 40.Also, identical symbol is marked in identical key element in the accompanying drawing of reference, is saved
Slightly repeat specification.
(hermetic type compressor)
Fig. 1 is the longitudinal sectional view for representing the hermetic type compressor in present embodiment.
As shown in figure 1, hermetic type compressor 100 be it is so-called compressing member 20 and electric element 30 are configured at it is closed
The reciprocating compressor constituted in container 3.Compressing member 20 and electric element 30 are in closed container 3 by multiple spiral bullets
Spring 9 (elastomeric element) is elastically supported.Closed container 3 utilizes the upper shell 3m to the gabarit of composition roughly upper half such as welding
Engaged with the lower house 3n for constituting the substantially gabarit of the latter half, internally possess storage compressing member 20 and electronic member
The space of part 30.
Compressing member 20 possesses cylinder body 21, in the cylinder body 21 by making piston 22 move back and forth and the song of compression refrigerant
Axle 23, axle support the journal bearing 25 of the bent axle 23.Journal bearing 25 (bearing) and cylinder body 21 and the integrated landform of frame 24
Into.Bent axle 23 is rotatably supported by thrust bearing 26 in frame 24.
Frame 24 possesses the pedestal 24a extended to general horizontal direction, and cylinder body 21 is located at pedestal 24a top.In addition,
The substantially central portion of frame 24 forms the radial axle to the drum of (to lower house 3n bottom surface) extension below vertical
Hold 25.In addition, frame 24 constitutes a part for cylinder body 21.
Cylinder body 21 is formed at the position offset than the central shaft O of bent axle 23 to radial outside.In addition, in the axial direction of cylinder body 21
Outer circumferential side end on install head-shield 27, opposite side end insert piston 22.In this way, by cylinder body 21, head-shield 27 with
Piston 22 constitutes discharge chambe (cylinder body room) Q1.Also, set to possess between cylinder body 21 and head-shield 27 and beaten when sucking refrigerant
Inlet valve, the valve switching mechanism for the dump valve opened in the refrigerant that discharge has been compressed opened.
Journal bearing 25 supports the sliding bearing of bent axle 23 to constitute by axle.In addition, journal bearing 25 is by being formed at machine
Through hole 24b on frame 24 is constituted.The through hole that thrust bearing 26 is formed above pedestal 24a with being configured at circular channel-shaped
Recess 24c around 24b.
The end 22b and crank-pin 23a described later of connecting rod 22a big footpath side link, the end of connecting rod 22a path side
22c is linked by pin 22d with piston 22.
Crank-pin 23a is formed on the upper end of bent axle 23, crank-pin 23a is formed at the Pivot axle O from bent axle 23
Eccentric position.In addition, the lower end part of bent axle 23 is in lower house 3n vicinity.By crank-pin 23a relative to pivot
Axle O eccentric rotaries, piston 22 is moved back and forth in cylinder body 21.
In addition, bent axle 23 possesses above through hole 24b to direction (the level side orthogonal relative to Pivot axle O
To) extension flange part 23b.Also, in the present embodiment, flange part 23b is the structure that dual-purpose is counterweight.Balance hammer
The function of vibration when low compressing member 20 of making preparation for dropping drives.Thereby, it is possible to reduce the height dimension of compressing member 20, contribute to close
The miniaturization of closed form compressor 100.
In addition, the bore hole 23c of lower end from axial direction recessed shape upward is formed on bent axle 23, to have in bent axle 23
Constituted for the mode of hollow bulb.In addition, the upper end formed on bent axle 23 from bore hole 23c is run through above flange part 23b
Upper communication hole 23d.
In addition, on the outer peripheral face of bent axle 23, helicla flute 23e is formed to flange part 23b vicinity.Helicla flute 23e's is upper
End is connected by pin portion bore hole 23f, the pin portion intercommunicating pore 23g of the concave shape being formed on crank-pin 23a.
Stationary shaft member 28 is inserted in the hollow bulb of bent axle 23.Stationary shaft member 28 by setting tool (not shown) with
Also non-rotary mode is fixed when bent axle 23 rotates.Fixing axle spiral is formed on the outer peripheral face of stationary shaft member 28
Groove 28a.Form spiral helicine oil passage on fixing axle helicla flute 28a wall and bore hole 23c wall, with by
Caused by the rotation of bent axle 23 wall move, lubricating oil 40 because viscosity effect by wall pull and in oil passage on
Rise.
The lubricating oil 40 risen in oil passage is blown on flange part 23b by upper communication hole 23d, lubricates thrust
Bearing 26.In addition, between the lubrication bent axle 23 of lubricating oil 40 and journal bearing 25 that the helicla flute 23e of bent axle 23 rises, also,
Flowed into by pin portion intercommunicating pore 23g to crank-pin 23a pin portion bore hole 23f, around lubrication connecting rod 22a.Also, it have lubricated and push away
The lubricating oil 40 of the grade of power bearing 26 is back to the bottom of closed container 3 by hole 24s (reference picture 2).
Electric element 30 is configured at the downside (pedestal 24a lower section) of frame 24, including rotor 31 and stator 32 and structure
Into.
Rotor 31 possesses the rotor core of laminated electromagnetic steel plate and constituted, and is consolidated in the bottom of bent axle 23 by modes such as press-ins
It is fixed.In addition, rotor 31 is the radius R flat pattern bigger T1 than thickness (axial height).In addition, the thickness of rotor 31 is (axially
Height) T1 be set as journal bearing 25 length (bearing length) L substantially half or so.
Stator 32 is configured at the periphery of rotor 31, possesses by cylindric rotor core and is formed in the rotor core
Multiple slots in week and the iron core 32a, the coil 32b that is wound in by insulator (not shown) on iron core 32a that constitute and structure
Into.In addition, iron core 32a is pancakes of the length L1 than thickness (axial height) T2 length of radial direction in Fig. 1 longitudinal section view
Shape.Coil 32b is also flat pattern of the length than thickness (axial height) length of radial direction in Fig. 1 longitudinal section view.In addition,
Iron core 32a thickness (axial height) T2 structures in the way of with the thickness of rotor 31 (axial height) T1 same degrees
Into.In this way, in the case where making rotor 31 be flat, also expanded by the diameter of stator 32 and as flat pattern, can obtained
To the torque for rotating rotor 31.
Be arranged such the frame 24 of compressing member 20 and electric element 30 in closed container 3 by multiple helical springs 9,
9 resilient support.In addition, not being contacted with closed container 3 when compressing member 20 and electric element 30 to vibrate in the running
The mode of wall, is designed in the state of predetermined space CL is preset.
Helical spring 9 is arranged at the side of cylinder body 21 (compressor room side Q2, Fig. 1 a left side for the part for constituting compressing member 20
Side), side opposite with the side of cylinder body 21 (anti-compressor room side Q3, Fig. 1 right side).Also, in the present embodiment, helical spring 9
Respectively on discharge chambe side Q2 and anti-compressor room side Q3, altogether 4 be arranged at the direction that is orthogonal to Fig. 1 papers with front side with
Inboard (reference picture 2).Also, all helical springs 9 are provided with identical shape and spring performance.In this way, due to making spiral shell
Rotation spring 9 is single kind, can prevent the configuration error in the case of the mixing of the variety classes of helical spring 9.But, spiral bullet
The radical of spring 9 is not limited to 4, both can be 3 or more than 5.
In addition, frame 24 possesses compared to the extension 24d that (radial outside) extends to outer peripheral side of cylinder body 21.The extension
24d extends to outer peripheral side compared to stator 32.In addition, below extension 24d formed be embedded in helical spring 9 top and
The jut 24e of holding.
In addition, frame 24 also possesses what is to same extent extended with extension 24d on side opposite with extension 24d
Extension 24f.Extension 24f also extends to outer peripheral side compared to stator 32.In addition, forming embedding below extension 24f
The jut 24g kept together in the top of helical spring 9.
On the bottom surface of closed container 3, form convex in prominent into closed container 3 mode on the outer circumferential side of stator 32
The stage portion 3a risen.Stage portion 3a is merged with a part for side by a part for lower house 3n bottom surfaces and forms concavity shape
Shape and constitute.In addition, stage portion 3a is arranged on position corresponding with the position of helical spring 9.In addition, in the upper of stage portion 3a
The jut 3b that the bottom of helical spring 9 is fitted together to and kept is formed on end.Jut 3b is located at compared to 31a below rotor 31
By the top.
Fig. 2 is the transverse sectional view for the hermetic type compressor for representing present embodiment.Also, in fig. 2 on hermetic type
The flowing of refrigerant in compressor 100 is illustrated.
As shown in Fig. 2 being returned from the cooler 66 (reference picture 4) of refrigerator, the suction line connected from insertion closed container 3
The refrigerant that road 3e is imported is fed to after the suction (not shown) of the suction inlet of absorbing silencer 41 by head-shield 27 etc.
Discharge chambe Q1 (reference picture 1).In addition, the refrigerant compressed in discharge chambe Q1 by piston 22 (is not schemed by discharging room space
Show), by exhaust silencer 42a, the 42b and pipeline 3f being formed in frame 24, cooler is delivered to from discharge line 3g
66 (reference pictures 4).
Fig. 3 is the schematic diagram for the action effect for illustrating hermetic type compressor, and (a) is present embodiment, and (b) is comparative example.
In the comparative example shown in Fig. 3 (b), in the compressing member of configuration up and down 120 and the electric element 130 of frame 124, electricity
Dynamic element 130 is flexibly supported in closed container 90 by helical spring 90,90.In this case, due to internal mechanism portion (compression member
Part 120 and electric element 130) center of gravity be located at than helical spring 90,90 upper end by the top, therefore, in the running two
When being vibrated in the direction of arrow, vibration angle b becomes big.In contrast, in the embodiment shown in Fig. 3 (a), in the upper of frame 24
Portion configures compressing member 20, and electric element 30 is configured in bottom, and frame 24 is flexibly supported in closed container 3 by helical spring 9,9
It is interior.In this case, the compressing member 20 during operating vibrates in two directions of arrow respectively with electric element 30, because center of gravity is located at
The height and position (the mutually level position in upper end with helical spring 9,9) of frame 24, therefore vibration angle a (< b) diminishes.
That is, position of centre of gravity is no better than the height of the frame 24 flexibly supported by helical spring 9, and vibration is difficult.
In this way, in hermetic type compressor 100, by configuring compressing member 20 in the upside of frame 24, in frame 24
Downside configures electric element 30, and frame 24 is elastically supported, it is possible to decrease the vibration in internal mechanism portion.Moreover, by by spiral bullet
The position of spring 9 is configured at the outer circumferential side of cylinder body 21, can more effectively suppress the vibration in internal mechanism portion.
In addition, in embodiments, making vibration angle a diminish compared with vibration can be reduced compared with comparative example, energy
Space CL (reference picture 1) of the internal mechanism portion (compressing member 20 and electric element 30) between closed container 3 is enough set to shorten.
As a result, closed container 3 can be made to diminish, the miniaturization of hermetic type compressor 100 can be sought.
In addition, setting the rubber base 10 (reference picture 1) of resilient support closed container 3 in each stage portion 3a bottom.The rubber
The plate 11 that rubber base 10 is fixed in the lower house 3n of closed container 3 is supported.
By being thusly-formed stage portion 3a, helical spring 9 is configured on stage portion 3a, helical spring 9 can be arranged on not
Can be in the height of dip lubrication oil 40, can therefore, it is possible to prevent noise that helical spring 9 is produced in 40 internal vibration of lubricating oil
Seek the quiet stability of hermetic type compressor 100.In addition, the bottom by the way that rubber base 10 to be configured to stage portion 3a, can
Prevent rubber base 10 from significantly being protruded downwards from the lower house 3n of closed container 3, the height of hermetic type compressor 100 can be suppressed
Uprise, the miniaturization of hermetic type compressor 100 can be sought.
Fig. 4 represents to be equipped with the general profile chart of the refrigerator of the hermetic type compressor in present embodiment, and (a) is will be closed
Type compressor is configured at the structure of bottom, and (b) is the structure that hermetic type compressor is configured to top.
As shown in Fig. 4 (a), refrigerator 60A constitutes refrigerator main body for 61 points for multiple receiving rooms 62,63,64,65.For example,
Receiving room 62 is refrigerating chamber, and receiving room 63 is upper strata refrigerating chamber, and receiving room 64 is lower floor's refrigerating chamber, and receiving room 65 is vegetable compartment.
Also, the position relationship of each receiving room 62,63,64,65 is not limited to the relation in Fig. 4 (a).Hermetic type compressor 100 is configured at
In the Machine Room of the drawer 65a of receiving room 65 lower inside (bottom of the rear side of refrigerator main body 61).From hermetic type pressure
The refrigerant that contracting machine 100 is discharged is by the condenser (not shown), the mechanism of decompressor (not shown) that are arranged in refrigerator 60A, with cold
But device 66 absorbs the heat in refrigerator, is returned again into hermetic type compressor 100.
But, need to make the volume of Machine Room to become big due to the high hermetic type compressor of maxi-mum height all the time, because
This drawer 65a being accommodated in receiving room 65 capacity diminishes (shallow drawer).Therefore, by using being applicable the close of present embodiment
The refrigerator 60A of closed form compressor 100, can make the volume of Machine Room diminish, due to that can make the apical side height position of Machine Room
Reduction, therefore the case inner capacities of the inner side of receiving room 65 can be expanded.
In addition, as shown in Fig. 4 (b), refrigerator 60B hermetic type compressor 100 is configured at the inside upper part (ice of receiving room 62
The rear side of box main body 61 is topmost) Machine Room in.
But, if the high hermetic type compressor of maxi-mum height as in the past, the vibration that hermetic type compressor is produced
Greatly, therefore, the vibration for being transferred to refrigerator main body is also big.Therefore, by using the hermetic type compressor for being applicable present embodiment
100 refrigerator 60, can be reduced by said structure and vibrated, accordingly, it is capable to suppress to be transferred to the vibration of refrigerator main body 61.In addition, logical
Cross and be applicable small-sized hermetic type compressor 100, can also expand the case inner capacities of receiving room 62.
In this way, because the hermetic type compressor 100 of present embodiment can be configured in refrigerator, even in vending machine
(reference picture 5) also can be applicable small-sized hermetic type compressor 100 instead of existing hermetic type compressor.Here, Fig. 5 is to carry
The side view of the vending machine of the hermetic type compressor of present embodiment, is the figure for removing a part.As shown in figure 5,
The vending machine 70 of present embodiment can suppress the lubricating oil of hermetic type compressor 100 due to possessing hermetic type compressor 100
Spumed phenomenon, and the volume of Machine Room can be made to diminish, and can also expand the case inner capacities of receiving room.In addition, present embodiment
Vending machine 70 can reduce vibration due to being applicable hermetic type compressor 100, suppress what is transmitted to vending machine main body
Vibration.
(lubricating oil)
Lubricating oil 40 used in the present invention is ISO VG (ISO viscosity grades) less than 6 cycloalkane mineral oil.And
And, ISO is International Organization for Standardization abbreviation, and VG is Viscosity
Grade abbreviation.ISO VG in the present invention represent at 40 DEG C kinetic viscosity (unit be square millimeter/second (mm2/ s))
Value.The kinetic viscosity is referred to as midpoint viscosity.
The cycloalkane mineral oil used in the present invention is containing the saturation hydrocarbon (cycloalkane with cyclic structure
Hydrocarbon) mineral oil, but without prejudice to the present invention effect in the range of, can be paraffin class mineral oil, containing defoamer,
The mineral oil of other materials such as antirust agent.
So-called cycloalkane hydrocarbon is the hydrocarbon in a molecule including at least a saturated rings (cycloalkanes hydrocarbon ring).
General expression C is used as what cycloalkane hydrocarbon can enumerate 5 pentamethylene rings of carbon number, the cyclohexane ring of carbon number 6 etc.nH2nTable
The material with cycloalkanes hydrocarbon structure shown.In the present invention, cycloalkane hydrocarbon both can be the above-mentioned multiple companies of cycloalkanes hydrocarbon ring
Connect, can also polymerize with aromatic ring, can be combined with cycloalkanes hydrocarbon ring with a variety of alkyl of polymeric rings.
The preferred carbon number of cycloalkane hydrocarbon is 5~50, more preferably carbon number 5~40, and further preferred carbon number 5~30 is special
Not preferred carbon number 5~20, most preferably carbon number 5~10.
Enumerated as cycloalkane hydrocarbon such as pentamethylene, methyl cyclopentane, ethyl diethylpentane, the rings penta of 1,1- bis-
Alkane, 1,3- bicyclopentanes, hexamethylene, hexahydrotoluene, ethyl, 1,2,4- trimethyls etc..
Cycloalkane mineral oil can be obtained by refining the naphthene base crude containing abundant cycloalkane hydrocarbon.
Air-distillation and vacuum distillation can be enumerated as the method for refining of cycloalkane mineral oil and obtain lube cut, relative to
The obtained lube cut suitably deviates from solvent, solvent extraction, hydrogenative decomposition, solvent are deviate from, disengaged, hydrogenating essence
One or both of refining, sulfuric acid cleaned, clay treatment are combined and used.
Cycloalkane mineral oil has the system for being difficult to dissolving for hermetic type compressor 100 compared with paraffin class mineral oil
The characteristic of cryogen.In addition, the ISO VG for making cycloalkane mineral oil in the present invention are less than 6, make kinetic viscosity step-down.Lubricating oil
40, according to the characteristic and the effect that is multiplied of low kinetic viscosity of cycloalkane mineral oil, the material dissolved are more difficult to as refrigerant.
Also,, can also because the kinetic viscosity of lubricating oil 40 is low therefore can be used in reducing the input of device action according to the present invention
Improve performance.From be more difficult to dissolve refrigerant viewpoint and further reduce for going out the viewpoint of the input of device action
Hair, the ISO VG of cycloalkane mineral oil are preferably less than 5.
The hermetic type compressor 100 of present embodiment is due to using above-mentioned lubricating oil 40, even therefore without for a long time
The situation refrigerant of rotating device is also difficult to be dissolved in lubricating oil 40, it is difficult to as tranquil state.That is, pasta can be suppressed
40a rising.Therefore, even if as the elastomeric element by being arranged at the downside of frame 24, the frame 24 is elastically supported in close
Such structure (even if, minimize and make 31a and pasta 40a below the rotor 31 shown in Fig. 1 close) on container 3 is closed,
The phenomenon of oil whip foam can also be suppressed in starter.
Also, the pasta 40a of lubricating oil 40 is from the viewpoint of it can more reliably suppress oil whip foam, preferably with system
Cryogen is located at for the pasta 40a in the case of tranquility to be constituted compared to the modes of 31a on the lower below rotor 31.
As the refrigerant used in the present invention, can for example enumerate the refrigerant numbering R23 of ASHRAE34 specifications, R32,
R125, R134A, R143A, R404A, R407C, R407E, R410A, R507A, R508A etc. HFC (FHC), R1234yF,
R1234ze, R1233zd etc. HF hydrocarbon (HFO) etc..In addition, as the refrigerant used in the present invention, such as can enumerate
R-290 (propane), R-1270 (propylene), R-600 (butane), R-600a (iso-butane), R-744 (carbon dioxide), R717 (ammonia)
Deng.Refrigerant used in the present invention may not be defined in above-mentioned substance.
Embodiment
Secondly, using the hermetic type compressor and ISO VG5 cycloalkane mineral oil of the structure shown in Fig. 1 and Fig. 2,
Change to diversity the pasta of lubricating oil and the distance of rotor as being represented in table 1 and started with the tranquil state of refrigerant
Device, is confirmed whether to produce the phenomenon of oil whip foam.Also, outside air temperature is -10 DEG C.
【Table 1】
As shown in table 1, if as refrigerant tranquility, pasta (refrigerant calmness amount) increase 3mm of lubricating oil.Cause
This, such as No.1~4, in the case that the pasta of lubricating oil and the distance of rotor when generally static only have 0.5~3.5mm, rotor
Dip lubrication oil, its distance becomes that very near (pasta of the lubricating oil in refrigerant tranquility and the distance of rotor are -2.5
~0.5mm).Therefore, the phenomenon of oil whip foam is generated, is hindered during startup to oil condition by oil whip foam phenomenon
(evaluate "×";Comparative example).
In contrast, No.5 and No.6 due to generally it is static when lubricating oil pasta and rotor distance be 4.5mm
More than, even if being refrigerant tranquility, the pasta of lubricating oil and the distance of rotor also can be bigger than 0.5mm, will not produce lubrication
Oil phenomenon foamy.That is, the sensation of the rotor of the pasta of lubricating oil and electric element is at least bigger than 0.5mm, will not produce profit
Lubricating oil phenomenon foamy.Specifically, even if No.5 is refrigerant tranquility, the pasta of lubricating oil and the distance of rotor are
1.5mm, No.6 are 2.5mm.As a result, can not be hindered to oil condition by the phenomenon of oil whip foam when starting (is evaluated
“○”;Embodiment).
More than, on the hermetic type compressor for being related to one embodiment of the present invention and the refrigerator for possessing the compressor with
And vending machine is described in detail, spirit of the invention is not limited to this, contains various deformation example.Also, above-mentioned reality
Apply mode and be described in detail to will be readily understood that the present invention, all structures that must possess in explanation may not be defined in
Device, a part for certain embodiment structure can be replaced into the structure of other embodiment, in addition, also can be in certain embodiment party
The structure of additional other embodiment in the structure of formula.In addition, the part on each embodiment structure can carry out other knots
The additional of structure deletes displacement.
Claims (4)
1. a kind of hermetic type compressor, it is characterised in that
Possess:
The compressing member of compression refrigerant;
Drive the electric element of above-mentioned compressing member;
Possess above-mentioned compressing member in upside and possess the frame of above-mentioned electric element in downside;And
Store above-mentioned compressing member, above-mentioned electric element and above-mentioned frame, and store the closed container of lubricating oil,
The elastomeric element that the frame is arranged at the downside of above-mentioned frame is flexibly supported in above-mentioned closed container,
Above-mentioned lubricating oil is below ISO VG6 cycloalkane mineral oil.
2. hermetic type compressor according to claim 1, it is characterised in that
The pasta for the above-mentioned lubricating oil that refrigerant has been dissolved under the refrigerant tranquility of above-mentioned lubricating oil and above-mentioned electric element
Interval it is at least bigger than 0.5mm.
3. a kind of refrigerator, it is characterised in that
Possesses the hermetic type compressor described in claim 1 or claim 2.
4. a kind of vending machine, it is characterised in that
Possesses the hermetic type compressor described in claim 1 or claim 2.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016039456A JP6653188B2 (en) | 2016-03-01 | 2016-03-01 | Hermetic compressor, refrigerator equipped with the same, and vending machine |
JP2016-039456 | 2016-03-01 |
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CN109653990A (en) * | 2018-12-25 | 2019-04-19 | 加西贝拉压缩机有限公司 | A kind of compressor housing modular construction |
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CN101040120A (en) * | 2004-10-14 | 2007-09-19 | 松下电器产业株式会社 | Compressor, refrigerating device and refrigerator |
JP2010127218A (en) * | 2008-11-28 | 2010-06-10 | Panasonic Corp | Compressor |
CN103025844A (en) * | 2010-08-13 | 2013-04-03 | 开利公司 | Fluorinated hydrocarbon composition |
CN103857909A (en) * | 2011-10-12 | 2014-06-11 | 松下电器产业株式会社 | Sealed compressor |
CN104087388A (en) * | 2014-07-22 | 2014-10-08 | 瑞孚化工(上海)有限公司 | Refrigerating engine oil composition and application thereof |
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JPS4913386Y1 (en) * | 1970-11-11 | 1974-04-02 | ||
JPS4911307U (en) * | 1972-04-28 | 1974-01-30 | ||
JPS52113403U (en) * | 1976-02-25 | 1977-08-29 | ||
JPS5322208U (en) * | 1976-08-03 | 1978-02-24 | ||
JPS5924872Y2 (en) * | 1980-07-11 | 1984-07-23 | 株式会社日立製作所 | Support device for fully hermetic electric compressor |
JPS5991483U (en) * | 1982-08-20 | 1984-06-21 | 三洋電機株式会社 | Steady-stop device for hermetic electric compressor |
JPS61160277U (en) * | 1985-03-27 | 1986-10-04 | ||
JPH01273884A (en) * | 1988-04-26 | 1989-11-01 | Sanyo Electric Co Ltd | Sealed-type compressor |
JPH0518357A (en) * | 1991-07-08 | 1993-01-26 | Toshiba Corp | Refrigerant compressor |
JPH11256177A (en) * | 1998-03-13 | 1999-09-21 | Mitsubishi Electric Corp | Refrigerant-circulating system |
JP2006183655A (en) * | 2004-10-14 | 2006-07-13 | Matsushita Electric Ind Co Ltd | Compressor, refrigerating device and refrigerator |
JP3960349B1 (en) * | 2006-02-17 | 2007-08-15 | 松下電器産業株式会社 | Compressor and vending machine |
JP5990765B2 (en) * | 2011-06-29 | 2016-09-14 | パナソニックIpマネジメント株式会社 | Refrigerant compressor |
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- 2016-03-01 JP JP2016039456A patent/JP6653188B2/en active Active
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Patent Citations (5)
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CN101040120A (en) * | 2004-10-14 | 2007-09-19 | 松下电器产业株式会社 | Compressor, refrigerating device and refrigerator |
JP2010127218A (en) * | 2008-11-28 | 2010-06-10 | Panasonic Corp | Compressor |
CN103025844A (en) * | 2010-08-13 | 2013-04-03 | 开利公司 | Fluorinated hydrocarbon composition |
CN103857909A (en) * | 2011-10-12 | 2014-06-11 | 松下电器产业株式会社 | Sealed compressor |
CN104087388A (en) * | 2014-07-22 | 2014-10-08 | 瑞孚化工(上海)有限公司 | Refrigerating engine oil composition and application thereof |
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JP2017155650A (en) | 2017-09-07 |
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