CN206221251U - Horizontal compressor - Google Patents
Horizontal compressor Download PDFInfo
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- CN206221251U CN206221251U CN201621290776.2U CN201621290776U CN206221251U CN 206221251 U CN206221251 U CN 206221251U CN 201621290776 U CN201621290776 U CN 201621290776U CN 206221251 U CN206221251 U CN 206221251U
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- guiding gas
- horizontal compressor
- guide cylinder
- motor
- compression mechanism
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Abstract
The utility model discloses a kind of horizontal compressor, including：Housing, compression mechanism, motor and means for guiding gas, compression mechanism are located in housing, and compression mechanism includes base bearing；Motor is connected with compression mechanism, and motor has insulating end plate；Means for guiding gas is located between motor and compression mechanism, and one end and the insulating end plate of means for guiding gas are tightly connected, and the other end of means for guiding gas is connected with base bearing.According to horizontal compressor of the present utility model, improve the air-tightness between motor and means for guiding gas, gap of the refrigerant after being compressed by compression mechanism between means for guiding gas and stator is efficiently avoid to flow away, so that refrigerant can be to be limited between the left end of flow direction motor and left shell first receiving space, and first time Oil-gas Separation is carried out in first receiving space, improve the water conservancy diversion effect of means for guiding gas, the oil spitting amount of horizontal compressor is greatly reduced, the efficiency and reliability of horizontal compressor is improve.
Description
Technical field
The utility model is related to Compressor Technology field, more particularly, to a kind of horizontal compressor.
Background technology
In correlation technique, in order to reduce the oil spitting amount of compressor (such as horizontal compressor), generally in compression mechanism and calmly
Means for guiding gas is installed between son additional, however, due to the limitation of assembly technology, existing between means for guiding gas and stator core
Gap, gap of the most of refrigerant discharged from compressor between means for guiding gas and stator core flows away, and causes gas
The effect of body guider control refrigerant flow direction weakens significantly, reduces the cooling effect of motor.Simultaneously as most of refrigerant
Flowed away from above-mentioned gap, not by motor and motor epicoele so that refrigerant can not fully carry out Oil-gas Separation, gas is oriented to
The effect of device reduction oil spitting amount of compressor also weakens significantly, reduces the efficiency and reliability of compressor.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art.Therefore, of the present utility model
One purpose is to propose a kind of horizontal compressor, and the efficiency and reliability of the horizontal compressor are high.
According to horizontal compressor of the present utility model, including：Housing；Compression mechanism, the compression mechanism is located at the shell
In vivo, the compression mechanism includes base bearing；Motor, the motor is connected with the compression mechanism, and the motor has insulation
End plate；Means for guiding gas, the means for guiding gas is located between the motor and the compression mechanism, and the gas is oriented to
One end of device is tightly connected with the insulating end plate, and the other end of the means for guiding gas is connected with the base bearing.
According to horizontal compressor of the present utility model, connected by the way that the insulating end plate of means for guiding gas and motor is sealed
Connect, improve the air-tightness between motor and means for guiding gas, efficiently avoid the refrigerant after being compressed by compression mechanism from
Gap between means for guiding gas and stator is flowed away so that refrigerant can be limited between the left end of flow direction motor and left shell
First receiving space, and first time Oil-gas Separation is carried out in first receiving space, improve the water conservancy diversion of means for guiding gas
Effect, so as to improve the cooling effect of motor and greatly reduce the oil spitting amount of horizontal compressor, improves horizontal compression
The efficiency and reliability of machine.According to some embodiments of the present utility model, the means for guiding gas includes：First guide cylinder,
First guide cylinder is connected with the insulating end plate；With the second guide cylinder, one end of second guide cylinder and described first
Guide cylinder is connected, and the other end of second guide cylinder is connected with the base bearing.
Specifically, cross-sectional area of the cross-sectional area of first guide cylinder more than second guide cylinder.
According to some embodiments of the present utility model, the periphery wall of first guide cylinder and the internal perisporium of the housing it
Between spacing be A, the A meets：1mm≤A≤4mm.
According to some embodiments of the present utility model, one end of the neighbouring described base bearing of first guide cylinder with it is described
Spacing between the flange end face of base bearing is B, and the B meets：1mm≤B≤4mm.
According to some embodiments of the present utility model, the insulating end plate passes through buckle structure with the means for guiding gas
Be connected, the buckle structure include buckle and with the catching groove being clasped, the buckle is located at the means for guiding gas
In one of them in the insulating end plate, the catching groove is formed in the means for guiding gas and the insulating end plate
On another.
Alternatively, the buckle is screw-button or elastic buckles.
Specifically, the means for guiding gas is connected with the base bearing by seal ring seal.
According to some embodiments of the present utility model, the means for guiding gas and the sealing ring taper fit.
Specifically, the engagement height between the means for guiding gas and the sealing ring is H, and the H meets：3mm≤H
≤12mm。
Alternatively, the means for guiding gas and the cooperation taper of the sealing ring are α, and the α meets：1°≤α≤3°.
Additional aspect of the present utility model and advantage will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will from description of the accompanying drawings below to embodiment is combined
Become substantially and be readily appreciated that, wherein：
Fig. 1 is the cut-away view of the horizontal compressor according to the utility model embodiment；
Fig. 2 is the enlarged drawing that M portions circle shows in Fig. 1；
Fig. 3 is the cooperation schematic diagram of the means for guiding gas according to the utility model embodiment and insulating end plate；
Fig. 4 is the cooperation schematic diagram of the means for guiding gas that another is implemented according to the utility model and insulating end plate.
Reference：
Horizontal compressor 100,
Left shell 11, middle casing 12, blast pipe 121, right shell body 13,
Base bearing 21, flange 211, passage 212, cylinder 22, bent axle 23, supplementary bearing 24,
Stator 31, insulating end plate 311, screw-button 3111, elastic buckles 3112, rotor 32,
First receiving space 41, the second receiving space 42, the 3rd receiving space 43, the 4th receiving space 44,
Oil sump 5,
Means for guiding gas 6, the first guide cylinder 61, the second guide cylinder 62, sealing ring 7.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining Description of Drawings is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model
Limitation.
In description of the present utility model, it is to be understood that term " " center ", " on ", D score, "front", "rear",
The orientation of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", " axial direction ", " radial direction ", " circumference "
Or position relationship is, based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplification is retouched
State, rather than indicate imply signified device or element must have specific orientation, with specific azimuth configuration and operation,
Therefore it is not intended that to limitation of the present utility model.Additionally, term " first ", " second " are only used for describing purpose, and can not
It is interpreted as indicating or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the
One ", one or more this feature can be expressed or be implicitly included to the feature of " second ".In description of the present utility model
In, unless otherwise indicated, " multiple " is meant that two or more.
, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
Can be two connections of element internal.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
The horizontal compressor 100 according to the utility model embodiment is described below with reference to Fig. 1-Fig. 4.Wherein, horizontal compression
Machine 100 can be frequency-changeable compressor, such as inverter controlled rotary compressor etc..Alternatively, horizontal compressor 100 can be supplementary bearing
The structure of 24 exhausts, it is also possible to the structure of the exhaust of base bearing 21.In description below the application, with the knot that supplementary bearing 24 is vented
Illustrated as a example by structure.
As shown in figure 1, the horizontal compressor 100 according to the utility model embodiment, including：Housing, compression mechanism, motor
With means for guiding gas 6.
Wherein, housing can include the left shell 11, middle casing 12 and the right shell body 13 that are from left to right sequentially connected, specifically
For, the left end and right-hand member of middle casing 12 are opened wide, and left shell 11 is connected between the left end of housing 12, and right shell body 13 connects
Be connected on the right-hand member of middle casing 12, for example, left shell 11 and right shell body 13 can be respectively welded to middle casing 12 left end and
Right-hand member.Wherein, housing is preferably rotary structure.
Compression mechanism is located in housing, and compression mechanism includes base bearing 21.Specifically, reference picture 1, compression mechanism also includes
Cylinder assembly, bent axle 23 and supplementary bearing 24, cylinder assembly include at least one cylinder 22, that is to say, that cylinder assembly can be wrapped
Include one or more cylinders 22.When cylinder assembly includes a cylinder 22, horizontal compressor 100 can be single cylinder compressor,
When cylinder assembly includes multiple cylinders 22, horizontal compressor 100 can be multicylinder compressor, for example, duplex cylinder compressor, three cylinders
Compressor etc..Median septum can be provided between cylinder 22 adjacent in multicylinder compressor.
Base bearing 21 and supplementary bearing 24 are respectively provided at the axial two ends of cylinder assembly.For example, in the example of fig. 1, main shaft
21 left ends for being located at cylinder assembly are held, supplementary bearing 24 is located at the right-hand member of cylinder assembly.
Cylinder 22 has the chamber of cylinder 22, and the piston of eccentric rotary is provided with the chamber of cylinder 22, and bent axle 23 runs through cylinder assembly, bent
Axle 23 includes crankshaft body and at least one eccentric part being located on crankshaft body, and piston is set on eccentric part.
Motor is connected with compression mechanism.Specifically, motor is located in housing, and motor includes stator 31 and rotor 32, stator
31 are fixed on the inwall of housing, for example, stator 31 can be fixed on housing by modes such as interference fit, welding or rivetings
On.Base bearing 21, cylinder assembly and supplementary bearing 24 are run through in one end (for example, the right-hand member in Fig. 1) of crankshaft body, crankshaft body
The other end (for example, the left end in Fig. 1) is connected with rotor 32.
Reference picture 1, cylinder 22 is provided with vane slot, the air entry for sucking refrigerant and the exhaust for discharging refrigerant
Mouthful.Reciprocating slide plate is provided with vane slot, the tip of slide plate is contacted with the periphery wall of corresponding piston.Specifically, cylinder
22 corresponding pistons are separated into suction muffler and compression chamber with slide plate cooperation with by the chamber of corresponding cylinder 22.Horizontal compressor 100 is transported
During row, rotor 32 is rotated with dynamic crankshaft 23, and the eccentric part band piston of bent axle 23 is rolled, and slide plate is connected on piston outer periphery wall,
Moved back and forth in the vane slot of cylinder 22 under the promotion of piston.
Motor has insulating end plate 311.Reference picture 1, insulating end plate 311 can be located on the stator 31 of motor.Insulating end
Plate 311 can be respectively provided at the left end and right-hand member of stator 31.Means for guiding gas 6 is located between motor and compression mechanism, gas
One end of guider 6 is tightly connected with insulating end plate 311, and the other end of means for guiding gas 6 is connected with base bearing 21.Example
Such as, in the example of fig. 1, the left end of means for guiding gas 6 is tightly connected with the insulating end plate 311 of the right-hand member of stator 31, and gas is led
It is connected with base bearing 21 to the right-hand member of device 6.Thus, it is possible to improve the air-tightness between motor and means for guiding gas 6, it is to avoid
The gap of refrigerant after being compressed by compression mechanism between means for guiding gas 6 and stator 31 is flowed away so that refrigerant can be flowed to
The space limited between the left end and housing of motor, and first time Oil-gas Separation is carried out in above-mentioned space, improve gas
The water conservancy diversion effect of guider 6, greatly reduces the oil spitting amount of horizontal compressor 100, improves the energy of horizontal compressor 100
Effect and reliability.
For convenience of describing, in the description below the application, by the inner circumferential of motor, base bearing 21 and means for guiding gas 6
The space surrounded between wall referred to as " first receiving space 41 ", the space surrounded between motor, left shell 11 and main casing is claimed
It is " the second receiving space 42 " that referred to as " the 3rd holds in the space that will be surrounded between the periphery wall of means for guiding gas 6 and base bearing 21
Receive space 43 ", the space that will be surrounded between compression mechanism, main casing and right shell body 13 referred to as " the 4th receiving space 44 ".
Specifically, reference picture 1, the refrigerant discharged from compression mechanism enters first receiving space 41, then by stator
Gap between gap between 31 and rotor 32, or the wire casing of stator 31, or the gas channel inflow second in rotor 32
Receiving space 42, and carry out first time Oil-gas Separation in the second receiving space 42.Wherein, the oily natural subsidence after separation to oil
In pond 5, the refrigerant after separation passes sequentially through gap between stator 31 and housing, between means for guiding gas 6 and housing between
Gap enters the 3rd receiving space 43, then enters the 4th receiving space 44 by passage 212 on base bearing 21, and refrigerant is the
Second Oil-gas Separation is carried out in three receiving spaces 43 and the 4th receiving space 44, in the oily natural subsidence after separation to oil sump 5,
Refrigerant after separation discharges housing by the blast pipe 121 on housing.Significantly reduced by the oil mass in the refrigerant that twice separate,
Significantly reduce the oil spitting amount of horizontal compressor 100.
Horizontal compressor 100 according to the utility model embodiment, by by the insulating end of means for guiding gas 6 and motor
Plate 311 is tightly connected, and improves the air-tightness between motor and means for guiding gas 6, efficiently avoid by compression mechanism pressure
The gap of refrigerant after contracting between means for guiding gas 6 and stator 31 flows away so that refrigerant can with the left end of flow direction motor with
The first receiving space 41 limited between left shell 11, and first time Oil-gas Separation is carried out in first receiving space 41, carry
The water conservancy diversion effect of means for guiding gas 6 high, so as to improve the cooling effect of motor and greatly reduce horizontal compressor
100 oil spitting amount, improves the efficiency and reliability of horizontal compressor 100.
According to some embodiments of the present utility model, reference picture 1 simultaneously combines Fig. 3 and Fig. 4, and means for guiding gas 6 includes：The
One guide cylinder 61 and the second guide cylinder 62.First guide cylinder 61 is connected with insulating end plate 311, one end (example of the second guide cylinder 62
Such as, the left end in Fig. 1) it is connected with the first guide cylinder 61, the other end (for example, the right-hand member in Fig. 1) and the master of the second guide cylinder 62
Bearing 21 is connected.
Specifically, the first guide cylinder 61 and the second guide cylinder 62 can be formed as cylinder-like structure.Alternatively, first it is oriented to
Cross-sectional area of the cross-sectional area of cylinder 61 more than the second guide cylinder 62.Thus, it is easy to means for guiding gas 6 to lead refrigerant
Stream, while it is easy to means for guiding gas 6 to be connected with insulating end plate 311 and base bearing 21 respectively, consequently facilitating means for guiding gas 6
Assembling, improve the efficiency of assembling of horizontal compressor 100.
According to some embodiments of the present utility model, between the periphery wall and the internal perisporium of housing of the first guide cylinder 61 between
Away from being A, A meets：1mm≤A≤4mm.Specifically, between the periphery wall of the first guide cylinder 61 and the internal perisporium of middle casing 12
Spacing is A.Its concrete numerical value can be according to the The concrete specification model adjusted design of horizontal compressor 100, and the utility model is to this
It is not especially limited.For example, the spacing A between the periphery wall and the internal perisporium of housing of the first guide cylinder 61 can further expire
Foot：A=1mm, A=2.5mm, A=3mm, A=4mm etc..Thus, it is easy to refrigerant in the periphery wall and housing of the first guide cylinder 61
Internal perisporium between gap in flow, while being easy to the assembling of means for guiding gas 6.
Alternatively, between one end of the neighbouring base bearing 21 of the first guide cylinder 61 and the end face of flange 211 of base bearing 21
Spacing is B, and B meets：1mm≤B≤4mm.For example, referring to Fig. 1, the right side of the first guide cylinder 61 and the flange of base bearing 21
Spacing between 211 free end end face is B, and its concrete numerical value can be adjusted according to the The concrete specification model of horizontal compressor 100
Whole design, the utility model is not especially limited to this.For example, B can further meet：B=1mm, B=2.5mm, B=
3mm, B=4mm etc..Thus, it is easy to refrigerant at the right side of the first guide cylinder 61 and the free end end of the flange 211 of base bearing 21
Flowed in gap between face, consequently facilitating refrigerant flows into the 3rd receiving space 43 from the second receiving space 42.
According to some embodiments of the present utility model, insulating end plate 311 passes through buckle structure phase with means for guiding gas 6
Even, buckle structure include buckle and with the catching groove being clasped, buckle is located in means for guiding gas 6 and insulating end plate 311
On one of them, catching groove is formed on another in means for guiding gas 6 and insulating end plate 311.Specifically, when buckle sets
When on means for guiding gas 6, catching groove can be formed on insulating end plate 311, when buckle is located on insulating end plate 311, button
Groove can be formed on means for guiding gas 6.For example, in the example of Fig. 1, Fig. 3 and Fig. 4, buckle is located at insulating end plate 311
On, catching groove is formed on means for guiding gas 6.Specifically, catching groove can be formed on the inwall of the first guide cylinder 61.
Alternatively, buckle can be screw-button 3111 or elastic buckles 3112.Simple structure, it is easy to process.
According to some embodiments of the present utility model, means for guiding gas 6 is sealed by sealing ring 7 with base bearing 21 and connected
Connect.Specifically, reference picture 1, right-hand member and the base bearing 21 of means for guiding gas 6 are tightly connected by sealing ring 7.Thus, may be used
Further to improve the sealing of first receiving space 41, it is to avoid refrigerant is between means for guiding gas 6 and base bearing 21
Gap is flowed directly to blast pipe 121, so as to further increasing the water conservancy diversion effect of means for guiding gas 6, and then improves oil
Gas separating effect, reduces the oil spitting amount of horizontal compressor 100, improves the efficiency and reliability of horizontal compressor 100.
According to some embodiments of the present utility model, means for guiding gas 6 and the taper fit of sealing ring 7.Simple structure, dress
With convenient.
Specifically, the engagement height between means for guiding gas 6 and sealing ring 7 is H, and H meets：3mm≤H≤12mm.Its
Concrete numerical value can be according to the The concrete specification model adjusted design of horizontal compressor 100.For example, means for guiding gas 6 and sealing
Engagement height H between ring 7 can further meet：H=3mm, H=5mm, H=7mm, H=9mm, H=12mm etc..Thus,
Be easy to means for guiding gas 6 to coordinate with sealing ring 7 so that between means for guiding gas 6 and base bearing 21 connect reliability and
Sealing.
Alternatively, means for guiding gas 6 and the cooperation taper of sealing ring 7 are α, and α meets：1°≤α≤3°.For example, coordinating
Taper α can further meet：α=2 ° etc..Process is simple, it is easy to process, and it is easy to the assembling of means for guiding gas 6.
Horizontal compressor 100 according to the utility model embodiment, be effectively improved means for guiding gas 6 and motor it
Between sealing and the sealing between means for guiding gas 6 and base bearing 21 so that cold after being compressed by compression mechanism
Matchmaker can all flow to the first accommodating chamber, improve the water conservancy diversion effect of means for guiding gas 6, and then improve oil gas separation
With the cooling effect of motor, the oil spitting amount of horizontal compressor 100 is greatly reduced, improve the efficiency of horizontal compressor 100
And reliability.Additionally, means for guiding gas 6 is simple for structure, easy to install, solid and reliable and with low cost.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example are described
Structure, material or feature are contained at least one embodiment of the present utility model or example.In this manual, to above-mentioned art
The schematic representation of language is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or
Person's feature can in an appropriate manner be combined in one or more any embodiments or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that：
In the case where principle of the present utility model and objective is not departed from various changes, modification, replacement can be carried out to these embodiments
And modification, scope of the present utility model limits by claim and its equivalent.
Claims (11)
1. a kind of horizontal compressor, it is characterised in that including：
Housing；
Compression mechanism, the compression mechanism is located in the housing, and the compression mechanism includes base bearing；
Motor, the motor is connected with the compression mechanism, and the motor has insulating end plate；
Means for guiding gas, the means for guiding gas is located between the motor and the compression mechanism, and the gas is oriented to
One end of device is tightly connected with the insulating end plate, and the other end of the means for guiding gas is connected with the base bearing.
2. horizontal compressor according to claim 1, it is characterised in that the means for guiding gas includes：
First guide cylinder, first guide cylinder is connected with the insulating end plate；With
Second guide cylinder, one end of second guide cylinder is connected with first guide cylinder, second guide cylinder it is another
End is connected with the base bearing.
3. horizontal compressor according to claim 2, it is characterised in that the cross-sectional area of first guide cylinder is more than institute
State the cross-sectional area of the second guide cylinder.
4. horizontal compressor according to claim 2, it is characterised in that the periphery wall of first guide cylinder and the shell
Spacing between the internal perisporium of body is A, and the A meets：1mm≤A≤4mm.
5. horizontal compressor according to claim 2, it is characterised in that the neighbouring described base bearing of first guide cylinder
One end and the flange end face of the base bearing between spacing be B, the B meets：1mm≤B≤4mm.
6. horizontal compressor according to claim 1, it is characterised in that the insulating end plate and the means for guiding gas
Be connected by buckle structure, the buckle structure include buckle and with the catching groove being clasped, the buckle is located at described
In one of them in means for guiding gas and the insulating end plate, the catching groove is formed in the means for guiding gas and described
On another in insulating end plate.
7. horizontal compressor according to claim 6, it is characterised in that the buckle is screw-button or elastic buckles.
8. horizontal compressor according to claim 1, it is characterised in that the means for guiding gas is logical with the base bearing
Sealing ring is crossed to be tightly connected.
9. horizontal compressor according to claim 8, it is characterised in that the means for guiding gas is bored with the sealing ring
Degree coordinates.
10. horizontal compressor according to claim 8, it is characterised in that the means for guiding gas and the sealing ring
Between engagement height be H, the H meets：3mm≤H≤12mm.
11. horizontal compressors according to claim 9, it is characterised in that the means for guiding gas and the sealing ring
Cooperation taper be α, the α meets：1°≤α≤3°.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621290776.2U CN206221251U (en) | 2016-11-28 | 2016-11-28 | Horizontal compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621290776.2U CN206221251U (en) | 2016-11-28 | 2016-11-28 | Horizontal compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206221251U true CN206221251U (en) | 2017-06-06 |
Family
ID=58786214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621290776.2U Active CN206221251U (en) | 2016-11-28 | 2016-11-28 | Horizontal compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206221251U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397390A (en) * | 2018-04-25 | 2018-08-14 | 广东美芝制冷设备有限公司 | Horizontal compressor |
| CN110748485A (en) * | 2019-11-04 | 2020-02-04 | 广东美芝制冷设备有限公司 | Horizontal compressor and heat exchange work system |
-
2016
- 2016-11-28 CN CN201621290776.2U patent/CN206221251U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397390A (en) * | 2018-04-25 | 2018-08-14 | 广东美芝制冷设备有限公司 | Horizontal compressor |
| CN110748485A (en) * | 2019-11-04 | 2020-02-04 | 广东美芝制冷设备有限公司 | Horizontal compressor and heat exchange work system |
| CN110748485B (en) * | 2019-11-04 | 2021-05-25 | 广东美芝制冷设备有限公司 | Horizontal compressor and heat exchange work system |
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