CN212376878U - Variable frequency permanent magnet compressor - Google Patents
Variable frequency permanent magnet compressor Download PDFInfo
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- CN212376878U CN212376878U CN202021652085.9U CN202021652085U CN212376878U CN 212376878 U CN212376878 U CN 212376878U CN 202021652085 U CN202021652085 U CN 202021652085U CN 212376878 U CN212376878 U CN 212376878U
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- permanent magnet
- outer rotor
- frequency conversion
- compressor
- frequency
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Abstract
The utility model discloses a variable-frequency permanent magnet compressor, which connects a screw compressor head into a whole through a bolt and a permanent magnet variable-frequency outer rotor motor, connects a compression screw through a driving shaft of the permanent magnet variable-frequency outer rotor motor, and erects the compression screw through two bearings at the left and right ends inside the screw compressor head; through permanent magnetism frequency conversion external rotor electric machine's use, the utility model discloses a reduction of energy consumption to convenient dismantlement and follow-up maintenance are the frequency conversion permanent magnet compressor of an ideal.
Description
Technical Field
The utility model belongs to the technical field of the compressor, concretely relates to frequency conversion permanent magnet compressor.
Background
The permanent magnet variable frequency motor is popularized in the field of compressors along with the increasing urgent requirements of the market on energy conservation of electromechanical equipment, the energy consumption of the motor is greatly reduced, and the development of the compressors is promoted to a certain extent.
As a new motor, the external rotor motor is known to have high working efficiency and low design cost, and is widely applied to small or micro compressors, but the external rotor motor can only be limited to use below 2.2kW because: the conventional universal design mode of the outer rotor motor is that a bearing is designed into a single support mode, and the design mode cannot guarantee the service life of the bearing for a motor with higher power; moreover, when the outer rotor motor with the design mode operates, the requirement precision of the driving balance is very high, and in order to prevent the driving balance precision from being low, the design precision of the outer rotor motor can only be greatly improved, and the improvement of the design precision can directly improve the process cost, namely the cost advantage of the outer rotor motor cannot be embodied.
Aiming at the technical defects, as a technical staff in the industry, how to improve the technology and design a variable-frequency permanent magnet compressor, the variable-frequency permanent magnet compressor aims to apply a permanent magnet variable-frequency outer rotor motor to a screw compressor, and can realize the design mode on a large compressor, so that the manufacturing cost of the large compressor is effectively reduced, and the reduction of the driving energy consumption of equipment is a technical problem to be solved urgently by the technical staff in the industry.
Disclosure of Invention
For overcoming prior art not enough, the utility model provides a frequency conversion permanent magnet compressor, its structural design is novel, simple, can effectually use permanent magnet frequency conversion external rotor electric machine on screw compressor, makes it have simple to operate, convenient to use, maintain convenient and the low characteristics of power consumption.
In order to achieve the technical purpose, the utility model adopts the following scheme: a variable frequency permanent magnet compressor comprises an underframe, wherein the top of the underframe is provided with an electric control cabinet, an oil-gas separator and a permanent magnet variable frequency outer rotor motor, and the permanent magnet variable frequency outer rotor motor and a screw compressor head are connected into a whole; the permanent magnet variable frequency outer rotor motor is connected with the electric control cabinet through a cable; a control screen is arranged on the side wall of the variable-frequency permanent magnet compressor above the underframe, and the control screen and the electric control cabinet are connected into a whole through a cable; and the top of the side wall of the variable-frequency permanent magnet compressor is provided with a heat exchanger and an outer rotor fan, and the outer rotor fan is fixed at the top of the variable-frequency permanent magnet compressor through a top shell.
When the permanent magnet frequency conversion outer rotor motor and the screw compressor head are connected into a whole, the permanent magnet frequency conversion outer rotor motor comprises a protective cover, an outer rotor is arranged in an anti-skid cover, a permanent magnet magnetic pole is arranged on the side surface of the inner part of the outer rotor, an inner stator magnetic pole is arranged in the permanent magnet magnetic pole, an inner rotor is arranged in the center of the inner stator magnetic pole, a driving shaft is arranged in the center of the permanent magnet frequency conversion outer rotor motor, the driving shaft and the inner rotor are connected into a whole, and a fan is fixed on; the screw compressor machine head is connected with the permanent magnet frequency conversion outer rotor motor into a whole through bolts, a bearing is respectively arranged in the left center and the right center of the screw compressor machine head inside the screw compressor machine head, a compression screw rod is erected through the two bearings, the compression screw rod and a driving shaft in the center of the permanent magnet frequency conversion outer rotor motor are connected into a whole, a fixing frame is arranged at the bottom of the screw compressor machine head, and the screw compressor machine head is horizontally erected through the fixing frame.
The utility model has the advantages that: through the design, the screw compressor head is connected with the screw compressor head into a whole through the bolt and the permanent magnet variable frequency outer rotor motor, the compression screw rod is connected through the driving shaft of the permanent magnet variable frequency outer rotor motor, and the compression screw rod is erected through the two bearings at the left end and the right end inside the screw compressor head; through permanent magnetism frequency conversion external rotor electric machine's use, the utility model discloses a reduction of energy consumption to convenient dismantlement and follow-up maintenance are the frequency conversion permanent magnet compressor of an ideal.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic side view of the internal structure of the present invention;
FIG. 3 is a schematic view of the connection structure of the screw compressor head and the permanent magnet variable frequency outer rotor motor of the present invention;
in the drawing, the device comprises a heat exchanger 1, a heat exchanger 2, an outer rotor fan 3, a top shell 4, an oil-gas separator 5, a screw compressor head 6, a bottom frame 7, an electric control cabinet 8, a cable 9, a control screen 10, a permanent magnet variable frequency outer rotor motor 11, an air filter 50, a fixing frame 51, a screw compressor end cover 52, a bearing 53, a compression screw supporting shaft 54, a compression screw 55, a screw compressor shell 56, a protective cover 57, a permanent magnet magnetic pole 58, an inner stator magnetic pole 59, an inner rotor 60, an outer rotor 61, a fan 62 and a driving shaft.
Detailed Description
As shown with reference to the accompanying drawings,
a frequency conversion permanent magnet compressor, similar to existing screw compressor appearance mechanism, it includes a chassis 6, the top of chassis 6 is provided with electric control cabinet 7 and oil and gas separator 4 and permanent magnet frequency conversion external rotor motor 10 and air cleaner 11, the utility model discloses a connect permanent magnet frequency conversion external rotor motor 10 and screw compressor aircraft nose 5 to an organic whole, permanent magnet frequency conversion external rotor motor 10 connects with electric control cabinet 7 through the cable, simultaneously, above chassis 6, there is control panel 9 on the frequency conversion permanent magnet compressor lateral wall, control panel 9 connect with electric control cabinet 7 to an organic whole through cable 8; the top of frequency conversion permanent magnet compressor lateral wall is provided with heat exchanger 1 and external rotor fan 2, external rotor fan 2 fix at frequency conversion permanent magnet compressor's top through top shell 3, through above structure, the utility model discloses a permanent magnetism frequency conversion external rotor electric machine 10 and screw compressor aircraft nose 5 realize air compression's function, wherein, the operator realizes the control to 7 inside electronic component of automatically controlled cabinet through control panel 9 to this control to permanent magnetism frequency conversion external rotor electric machine 10 output.
For realizing above function, the utility model particularly provides a connection drive mode of comparatively steady permanent magnetism frequency conversion external rotor electric machine 10 and helical-lobe compressor aircraft nose 5, its concrete structure as follows: when the permanent magnet frequency conversion outer rotor motor 10 and the screw compressor head 5 are connected into a whole, the permanent magnet frequency conversion outer rotor motor 10 comprises a protective cover 56 fixed outside a screw compressor shell 55, an outer rotor 60 is arranged inside the anti-slip cover 56, a permanent magnet magnetic pole 57 is arranged on the side surface inside the outer rotor 60, an inner stator magnetic pole 58 is arranged inside the permanent magnet magnetic pole 57, an inner rotor 59 is arranged at the center inside the inner stator magnetic pole 58, a driving shaft 62 is arranged at the center of the permanent magnet frequency conversion outer rotor motor 10, the driving shaft 62 and the inner rotor 59 are connected into a whole, and a fan 61 is fixed on the driving shaft; the screw compressor head 5 is connected with the permanent magnet frequency conversion outer rotor motor 10 into a whole through bolts, a bearing 52 is respectively arranged at the left center and the right center of the interior of the screw compressor head 5 and is respectively sealed and fixed through a screw compressor end cover 51, compression screw support shafts 53 at the left end and the right end of a compression screw 54 are erected through two bearings, the compression screw 54 is connected with a drive shaft 62 at the center of the permanent magnet frequency conversion outer rotor motor 10 into a whole, a fixed frame 50 is arranged at the bottom of the screw compressor head 5, the screw compressor head 5 is horizontally erected at the top of the fixed frame, and the bottom of the fixed frame and the bottom frame 6 are connected into a whole.
To sum up, the utility model discloses a through above design, it is connected to a body with screw compressor aircraft nose 5 through bolt and permanent magnetism frequency conversion external rotor electric machine 10, connects compression screw 54 through drive shaft 62 of permanent magnetism frequency conversion external rotor electric machine 10 to erect compression screw 54 through two bearings 52 at both ends about the screw compressor aircraft nose is inside, through this kind of duplex bearing design, can effectively guarantee compression screw's stability, prevent that compression screw from shaking when driving; through permanent magnetism frequency conversion external rotor electric machine's use, the utility model discloses a reduction of energy consumption to convenient dismantlement and follow-up maintenance are the frequency conversion permanent magnet compressor of an ideal.
Claims (2)
1. The utility model provides a frequency conversion permanent magnet compressor, its includes a chassis, and the top of chassis is provided with automatically controlled cabinet and oil and gas separator and permanent magnetism frequency conversion external rotor motor, its characterized in that: the permanent magnet variable frequency outer rotor motor and the screw compressor head are connected into a whole; the permanent magnet variable frequency outer rotor motor is connected with the electric control cabinet through a cable; a control screen is arranged on the side wall of the variable-frequency permanent magnet compressor above the underframe, and the control screen and the electric control cabinet are connected into a whole through a cable; and the top of the side wall of the variable-frequency permanent magnet compressor is provided with a heat exchanger and an outer rotor fan, and the outer rotor fan is fixed at the top of the variable-frequency permanent magnet compressor through a top shell.
2. The inverter permanent magnet compressor of claim 1, wherein: when the permanent magnet frequency conversion outer rotor motor and the screw compressor head are connected into a whole, the permanent magnet frequency conversion outer rotor motor comprises a protective cover, an outer rotor is arranged in an anti-skid cover, a permanent magnet magnetic pole is arranged on the side surface of the inner part of the outer rotor, an inner stator magnetic pole is arranged in the permanent magnet magnetic pole, an inner rotor is arranged in the center of the inner stator magnetic pole, a driving shaft is arranged in the center of the permanent magnet frequency conversion outer rotor motor, the driving shaft and the inner rotor are connected into a whole, and a fan is fixed on; the screw compressor machine head is connected with the permanent magnet frequency conversion outer rotor motor into a whole through bolts, a bearing is respectively arranged in the left center and the right center of the screw compressor machine head inside the screw compressor machine head, a compression screw rod is erected through the two bearings, the compression screw rod and a driving shaft in the center of the permanent magnet frequency conversion outer rotor motor are connected into a whole, a fixing frame is arranged at the bottom of the screw compressor machine head, and the screw compressor machine head is horizontally erected through the fixing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021652085.9U CN212376878U (en) | 2020-08-11 | 2020-08-11 | Variable frequency permanent magnet compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021652085.9U CN212376878U (en) | 2020-08-11 | 2020-08-11 | Variable frequency permanent magnet compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212376878U true CN212376878U (en) | 2021-01-19 |
Family
ID=74172591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021652085.9U Active CN212376878U (en) | 2020-08-11 | 2020-08-11 | Variable frequency permanent magnet compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212376878U (en) |
-
2020
- 2020-08-11 CN CN202021652085.9U patent/CN212376878U/en active Active
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