CN212643052U - Double-permanent-magnet liquid-cooled motor screw air compressor - Google Patents
Double-permanent-magnet liquid-cooled motor screw air compressor Download PDFInfo
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- CN212643052U CN212643052U CN202021024518.6U CN202021024518U CN212643052U CN 212643052 U CN212643052 U CN 212643052U CN 202021024518 U CN202021024518 U CN 202021024518U CN 212643052 U CN212643052 U CN 212643052U
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Abstract
The utility model discloses a two permanent magnetism liquid cooling type motor screw compressor, including two-stage compression host computer, one-level motor part, second grade motor part, first cooling module and water pump. The two-stage compression main machine comprises two screws, the first-stage motor part and the second-stage motor part are in transmission connection with the screws of the two-stage compression main machine to realize air compression, and the first-stage motor part and the second-stage motor part are respectively provided with a first-stage motor shell and a second-stage motor shell; a primary cooling channel is arranged in the primary motor shell, and a secondary cooling channel is arranged in the secondary motor shell; the first cooling module, the water pump, the primary cooling channel and the secondary cooling channel are communicated and form a circulating cooling system. It has the following advantages: the air compressor machine adopts the liquid cooling mode to cool off two permanent-magnet machine, and the radiating efficiency is high in once circulation in-process, and the motor protection level reaches IP65 for circulation liquid cooling module resists external interference strong ability.
Description
Technical Field
The utility model relates to an air compression equipment especially relates to a two permanent magnetism liquid cooling type motor screw air compressors.
Background
With the continuous promotion of the national energy saving and emission reduction strategy, the air compressor industry pays more and more attention to the machine type energy efficiency, and the permanent magnet synchronous motor is widely applied to the air compressor industry due to the characteristics of high efficiency, flexible control and the like. The existing permanent magnet air compressor generally adopts an air cooling mode, and if an air compressor side air outlet structure is adopted, the permanent magnet air compressor has the following defects: 1. the adoption of an air cooling mode has low cooling efficiency and is not beneficial to stabilizing the working environment temperature of the permanent magnet motor; 2. the side air outlet structure is adopted, the heat dissipation efficiency of the whole machine is low, and the circulation area of cold air in the machine body is small, so that the heat of the system is not easy to take away.
SUMMERY OF THE UTILITY MODEL
The utility model provides a two permanent magnetism liquid cooling type motor screw compressor machines, it has overcome the not enough that background art cavity press exists.
The utility model provides one of the technical scheme who adopts of its technical problem is: a double-permanent-magnet liquid-cooled motor screw air compressor comprises a two-stage compression main machine (1), a first-stage motor part (2) and a second-stage motor part (3), wherein the two-stage compression main machine (1) comprises two screws, the first-stage motor part (2) and the second-stage motor part (3) are in transmission connection with the screws of the two-stage compression main machine (1) to realize air compression, and the first-stage motor part (2) and the second-stage motor part (3) are respectively provided with a first-stage motor shell (21) and a second-stage motor shell (31); the cooling system also comprises a first cooling module (4) and a water pump (5); a primary cooling channel is arranged in the primary motor shell (21), and a secondary cooling channel is arranged in the secondary motor shell (31); the first cooling module (4), the water pump (5), the primary cooling channel and the secondary cooling channel are communicated and form a circulating cooling system.
In one embodiment: the two-stage compression main unit (1) comprises a front shell part (11), and the two screw rods are arranged in the front shell part (11); the first-stage motor part (2) further comprises a first-stage permanent magnet motor which is connected in the first-stage motor shell (21), the second-stage motor part (3) further comprises a second-stage permanent magnet motor which is connected in the second-stage motor shell (31), the first-stage motor shell (21) and the second-stage motor shell (31) are fixedly arranged on the front shell part (11), and the first-stage permanent magnet motor and the second-stage permanent magnet motor are respectively in transmission connection with a screw.
In one embodiment: the first end of the first cooling module (4) is communicated with the first end of the water pump (5), the second end of the water pump (5) is communicated with the first end of the secondary cooling channel, the second end of the secondary cooling channel is communicated with the first end of the primary cooling channel, and the second end of the primary cooling channel is communicated with the second end of the first cooling module (4).
In one embodiment: the first end and the second end of the first cooling module (4) are respectively a liquid outlet and a liquid inlet.
In one embodiment: the cooling system also comprises a supplement tank (6) capable of supplementing cooling liquid, wherein the supplement tank (6) is communicated with the first cooling module (4) through a first pipeline (61), and the first cooling module (4) is provided with an air outlet (42).
In one embodiment: the compressor further comprises a box body (7), the two-stage compression main engine (1), the first-stage motor part (2), the second-stage motor part (3), the first cooling module (4) and the water pump (5) are fixedly arranged in the box body (7), and an air inlet (71) is formed in the side wall of the box body (7).
In one embodiment: a spacing part (72) is fixedly arranged in the box body (7) so as to divide the inner cavity of the box body (7) into a first cavity and a second cavity which are arranged at left and right intervals through the spacing part (72); the two-stage compression main engine (1), the first-stage motor part (2), the second-stage motor part (3), the first cooling module (4) and the water pump (5) are fixedly arranged in the first cavity; a second cooling module used for cooling the whole air compressor is fixedly arranged in the second cavity and comprises a cooling fan (78), an air inlet (71) is formed in the side wall of the first cavity, and an air outlet (73) is formed in the top wall of the second cavity.
Compared with the background technology, the technical scheme has the following advantages:
the air compressor machine adopts the liquid cooling mode to cool off two permanent-magnet machine, and the radiating efficiency is high in once circulation in-process, and the motor protection level reaches IP65 for circulation liquid cooling module resists external interference strong ability.
The two-stage compression main machine, the first-stage motor part and the second-stage motor part are fixedly arranged in the first cavity, the first cooling module and the water pump are fixedly arranged in the second cavity, the air inlet is communicated with the first cavity, and the top wall of the second cavity is provided with the air outlet; secondly, the whole machine system and the heat dissipation system are separated by the sectional block type screw whole machine layout, the structural layout is more compact and reasonable, cold air circulates in the whole machine system by the air suction fan and then enters the heat dissipation area, the heat dissipation performance of the whole machine is improved, and the good working environment temperature of the system is ensured; thirdly, the cooling efficiency of the whole machine is improved, and the whole machine can run more stably.
Drawings
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Fig. 1 is a perspective view schematically illustrating an air compressor according to an embodiment.
Fig. 2 is a perspective view of the air compressor according to the embodiment with the box plate removed.
Fig. 3 is a perspective view of the air compressor according to the embodiment with the casing removed.
Fig. 4 is a schematic top view of the air compressor with the casing removed according to the embodiment.
Detailed Description
Referring to fig. 1 to 4, a dual permanent magnet liquid cooling type motor screw air compressor includes a two-stage compression main unit 1, a first-stage motor part 2, a second-stage motor part 3, a first cooling module 4, a water pump 5, a supplement tank 6, and a tank body 7.
The two-stage compression main unit 1 includes a front case portion 11, and two screws, the front case portion 11 being provided with a compression inlet 111 and a compression outlet 112, the two screws being attached in the front case portion 11 and the two screws being horizontally arranged in parallel.
The primary motor portion 2 includes a primary motor housing 21 and a primary permanent magnet motor attached inside the primary motor housing 21; the secondary motor portion 3 includes a secondary motor housing 31 and a secondary permanent magnet motor attached inside the secondary motor housing 31; the primary motor shell 21 and the secondary motor shell 31 are fixedly mounted behind the front shell part 11, and the primary permanent magnet motor and the secondary permanent magnet motor are respectively connected with a screw in a transmission mode to achieve air compression.
A primary cooling channel is arranged in the primary motor shell 21, and a secondary cooling channel is arranged in the secondary motor shell 31; the first end of the first cooling module 4 is connected with the first end of the water pump 5 through the second pipeline 41, the second end of the water pump 5 is connected with the first end of the second cooling channel through the third pipeline 51, the second end of the second cooling channel is connected with the first end of the first cooling channel through the fourth pipeline 52, and the second end of the first cooling channel is connected with the second end of the first cooling module 4 through the fifth pipeline 53 to form a circulating cooling system, wherein cooling liquid of the circulating cooling system is water. The supplement tank 6 is communicated with the first cooling module 4 through a first pipeline 61 to supplement cooling liquid for the system; the first cooling module 4 is provided with an air outlet 42, and air bubbles generated in the circulation process can be discharged out of the cooling circulation system through the air outlet 42, so that the cooling liquid can fill the whole cooling pipeline. The first end and the second end of the first cooling module 4 are respectively a liquid outlet and a liquid inlet. The air compressor machine of this embodiment adopts the liquid cooling mode, cools off two parallel permanent-magnet machine, and the radiating efficiency is high among the once-through cycle process, has guaranteed that permanent-magnet machine work under the suitable temperature, and the motor protection level reaches IP65, and circulation liquid cooling module resists external interference ability reinforce, greatly reduced demagnetization risk. The first end and the second end of the first cooling module 4 are respectively a liquid outlet and a liquid inlet so as to adapt to the unequal conditions of the first-stage motor heating function and the second-stage motor heating function of the independent circulating liquid cooling module.
The box body 7 comprises a box frame 74 and a box plate 75 which is arranged on the box frame 74, and a spacing part 72 is fixedly arranged in the box body 7 so as to divide the inner cavity of the box body 7 into a first cavity 76 and a second cavity 77 which are arranged at intervals left and right through the spacing part 72. The two-stage compression main machine 1, the first-stage motor part 2, the second-stage motor part 3, the first cooling module 4 and the water pump 5 are fixedly arranged in the first cavity 76. A second cooling module for cooling the whole air compressor is fixedly arranged in a second cavity of the box body 7, the second cooling module comprises a cooling fan 78, a side box plate of the box body 7 communicated with the first cavity is provided with an air inlet 71, and a top box plate of the box body 7 communicated with the second cavity is provided with an air outlet 73. Cold air enters the interior of the machine from the air inlet 71, enters the heat dissipation area (second cavity) through the air suction fan, and finally hot air is discharged from the air outlet 73 at the top of the whole machine so as to cool the whole machine. In the whole cooling process, cold air passes through the whole system assembly area to take away the surface heat of the system, so that the working reliability of the whole system is improved, the partitioned whole layout greatly improves the heat dissipation performance of the whole system, the working environment temperature of the air compressor system is improved, and the running stability and service life of the whole machine are improved.
According to the air compressor complete machine layout, a partitioning mode is adopted, namely an air compressor complete machine system (the two-stage compression main machine 1, the first-stage motor part 2 and the second-stage motor part 3) is separated from the heat dissipation module, firstly, the complete machine layout is compact and reasonable, hot air is discharged from the top of the complete machine, hot air is effectively prevented from flowing back to the complete machine system area, the heat dissipation efficiency of the complete machine of the air compressor is practically improved, secondly, the independent liquid cooling module is flexibly installed and has high cooling efficiency, the modularized cooling mode solves the problem that the oil cooling motor is dependent on the cooling performance of the complete machine of the air compressor, the cooling effect is obvious, the magnetic loss risk of the permanent magnet motor is greatly reduced, thirdly, the independent circulating liquid cooling module is convenient to.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.
Claims (7)
1. A double-permanent-magnet liquid-cooled motor screw air compressor comprises a two-stage compression main machine (1), a first-stage motor part (2) and a second-stage motor part (3), wherein the two-stage compression main machine (1) comprises two screws, the first-stage motor part (2) and the second-stage motor part (3) are in transmission connection with the screws of the two-stage compression main machine (1) to realize air compression, and the first-stage motor part (2) and the second-stage motor part (3) are respectively provided with a first-stage motor shell (21) and a second-stage motor shell (31); the method is characterized in that: the cooling system also comprises a first cooling module (4) and a water pump (5); a primary cooling channel is arranged in the primary motor shell (21), and a secondary cooling channel is arranged in the secondary motor shell (31); the first cooling module (4), the water pump (5), the primary cooling channel and the secondary cooling channel are communicated and form a circulating cooling system.
2. The double-permanent-magnet liquid-cooled motor screw air compressor of claim 1, wherein: the two-stage compression main unit (1) comprises a front shell part (11), and the two screw rods are arranged in the front shell part (11); the first-stage motor part (2) further comprises a first-stage permanent magnet motor which is connected in the first-stage motor shell (21), the second-stage motor part (3) further comprises a second-stage permanent magnet motor which is connected in the second-stage motor shell (31), the first-stage motor shell (21) and the second-stage motor shell (31) are fixedly arranged on the front shell part (11), and the first-stage permanent magnet motor and the second-stage permanent magnet motor are respectively in transmission connection with a screw.
3. The double permanent magnet liquid cooling motor screw air compressor of claim 1 or 2, characterized in that: the first end of the first cooling module (4) is communicated with the first end of the water pump (5), the second end of the water pump (5) is communicated with the first end of the secondary cooling channel, the second end of the secondary cooling channel is communicated with the first end of the primary cooling channel, and the second end of the primary cooling channel is communicated with the second end of the first cooling module (4).
4. The double-permanent-magnet liquid-cooled motor screw air compressor of claim 3, wherein: the first end and the second end of the first cooling module (4) are respectively a liquid outlet and a liquid inlet.
5. The double-permanent-magnet liquid-cooled motor screw air compressor of claim 3, wherein: the cooling system also comprises a supplement tank (6) capable of supplementing cooling liquid, wherein the supplement tank (6) is communicated with the first cooling module (4) through a first pipeline (61), and the first cooling module (4) is provided with an air outlet (42).
6. The double permanent magnet liquid cooling motor screw air compressor of claim 1 or 2, characterized in that: the compressor further comprises a box body (7), and the two-stage compression main engine (1), the first-stage motor part (2), the second-stage motor part (3), the first cooling module (4) and the water pump (5) are fixedly arranged in the box body (7).
7. The double-permanent-magnet liquid-cooled motor screw air compressor of claim 6, wherein: a spacing part (72) is fixedly arranged in the box body (7) so as to divide the inner cavity of the box body (7) into a first cavity and a second cavity which are arranged at left and right intervals through the spacing part (72); the two-stage compression main engine (1), the first-stage motor part (2), the second-stage motor part (3), the first cooling module (4) and the water pump (5) are fixedly arranged in the first cavity; a second cooling module used for cooling the whole air compressor is fixedly arranged in the second cavity and comprises a cooling fan (78), an air inlet (71) is formed in the side wall of the first cavity, and an air outlet (73) is formed in the top wall of the second cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021024518.6U CN212643052U (en) | 2020-06-05 | 2020-06-05 | Double-permanent-magnet liquid-cooled motor screw air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021024518.6U CN212643052U (en) | 2020-06-05 | 2020-06-05 | Double-permanent-magnet liquid-cooled motor screw air compressor |
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| Publication Number | Publication Date |
|---|---|
| CN212643052U true CN212643052U (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021024518.6U Active CN212643052U (en) | 2020-06-05 | 2020-06-05 | Double-permanent-magnet liquid-cooled motor screw air compressor |
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|---|---|
| CN (1) | CN212643052U (en) |
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2020
- 2020-06-05 CN CN202021024518.6U patent/CN212643052U/en active Active
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