CN216589103U - Permanent magnet frequency conversion direct-connection oilless screw air blower - Google Patents
Permanent magnet frequency conversion direct-connection oilless screw air blower Download PDFInfo
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- CN216589103U CN216589103U CN202220041200.1U CN202220041200U CN216589103U CN 216589103 U CN216589103 U CN 216589103U CN 202220041200 U CN202220041200 U CN 202220041200U CN 216589103 U CN216589103 U CN 216589103U
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Abstract
The utility model relates to the technical field of air blowers, in particular to a permanent magnet frequency conversion direct-connection oil-free screw air blower which improves the cooling efficiency through a cooling component, prevents the high temperature of a machine, prolongs the service life of equipment, reduces the energy loss, improves the efficiency of the air blower, filters micro solid particles in the air through an air filter, filters dust and other impurities in the air through a filter screen arranged in an air inlet box, protects each part, reduces the exhaust noise through a silencer, arranges the silencer below a motor, leads the structure of the whole power system to be compact, reduces the volume of the whole machine, leads the suction noise to be low through pasting silencing cotton in the air inlet box, reduces the noise of the whole machine, leads a bearing cover to be communicated with an oil tank through a vent pipe, leads the oil inlet to be smoother by releasing the internal pressure of the bearing cover, is miniaturized and modularized, and reduces the cost of air blowers with the same model, not only reduces energy loss and improves efficiency, and is convenient for maintenance of the whole machine.
Description
Technical Field
The utility model belongs to the technical field of the air-blower technique and specifically relates to a permanent magnetism frequency conversion direct connection does not have oily screw blower.
Background
At present, most blowers are roots blowers, the roots blowers are rotary blowers which compress and convey gas by utilizing two or three blade-shaped rotors to do relative motion in a cylinder, and the roots blowers are not internally compressed, large in volume and low in efficiency. The periodic air suction, air exhaust and instantaneous constant volume compression cause the pulsation of air flow speed and pressure, thereby generating larger aerodynamic noise, having high energy consumption and poor cooling effect, shortening the service life of equipment and being inconvenient for maintenance.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a permanent magnetism frequency conversion direct connection oil-free screw air blower which has small volume, low noise, low energy consumption, high efficiency, good cooling effect and long service life.
The utility model discloses the technical scheme who adopts does:
a permanent magnet frequency conversion direct-connection oilless screw blower comprises a motor and a double-screw main machine connected with the motor, wherein an air guide pipe is communicated with the upper side of the double-screw main machine, an air filter is communicated with the air guide pipe, the air filter is communicated with an air inlet box, the double-screw main machine comprises a screw assembly, a shell and a bearing cover, the screw assembly is arranged in the shell, and the bearing cover is arranged on one side of the shell;
the double-screw host is connected with cooling module, and cooling module includes oil pump, oil tank and cooler, and the oil pump is through first oil pipe and oil tank intercommunication, and it communicates with the cooler through second oil pipe, and the cooler communicates through the intermediate layer of third oil pipe and shell, and it communicates through fourth oil pipe and bearing housing, and the intermediate layer of shell communicates through fifth oil pipe and oil tank, and the bearing housing communicates through sixth oil pipe and oil tank.
Preferably, a vent pipe is communicated between the bearing cover and the oil tank.
Preferably, a fan is arranged above the cooler.
Preferably, a filter screen is arranged in the air inlet box.
Preferably, the inner side of the air inlet box is adhered with silencing cotton.
Preferably, a muffler is provided below the motor.
Preferably, the motor is a permanent magnet synchronous motor.
The beneficial effects of the utility model reside in that:
the permanent magnet frequency conversion direct-connection oilless screw air blower is miniaturized and modularized, the cost of air blowers of the same type is reduced, energy loss is reduced, efficiency is improved, and maintenance of the whole machine is facilitated.
Improve cooling efficiency through cooling module, prevent the machine high temperature, extension equipment life reduces energy loss, improves the efficiency of air-blower.
Tiny solid particles in the air are filtered through the air filter, a filter screen is installed in the air inlet box, impurities such as dust in the filtered air are filtered, and all parts are protected.
Reduce exhaust noise through the muffler, place the muffler in the motor below for whole driving system structure is with compact, reduces the complete machine volume, and through pasting the amortization cotton in the air inlet box, make the noise of breathing in low, reduces the complete machine noise.
Through breather pipe with bearing housing and oil tank intercommunication, the internal pressure of bearing housing of releasing makes the oil feed more smooth and easy.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic connection diagram of the cooling module.
In the figure: 1. a permanent magnet synchronous motor; 2. a double-screw main machine; 3. an air guide pipe; 4. an air filter; 5. an air inlet box; 6. a housing; 7. a bearing cage; 8. an oil pump; 9. an oil tank; 10. a cooler; 11. a first oil pipe; 12. a second oil pipe; 13. a third oil pipe; 14. a fourth oil pipe; 15. a fifth oil pipe; 16. a sixth oil pipe; 17. a breather pipe; 18. a fan; 19. a silencer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a permanent magnet frequency conversion direct-connection oilless screw blower comprises a motor and a double-screw main machine 2 connected with the motor, wherein an air guide pipe 3 is communicated with the upper side of the double-screw main machine 2, an air filter 4 is communicated with the air guide pipe 3, the air filter 4 is communicated with an air inlet box 5, the double-screw main machine 2 comprises a screw assembly, a shell 6 and a bearing cover 7, the screw assembly is arranged in the shell 6, and the bearing cover 7 is arranged on one side of the shell 6;
the double-screw host machine 2 is connected with a cooling assembly, the cooling assembly comprises an oil pump 8, an oil tank 9 and a cooler 10, the oil pump 8 is communicated with the oil tank 9 through a first oil pipe 11, the oil pump is communicated with the cooler 10 through a second oil pipe 12, the cooler 10 is communicated with an interlayer of the shell 6 through a third oil pipe 13, the cooler is communicated with the bearing cover 7 through a fourth oil pipe 14, the interlayer of the shell 6 is communicated with the oil tank 9 through a fifth oil pipe 15, and the bearing cover 7 is communicated with the oil tank 9 through a sixth oil pipe 16.
In order to keep the pressure balance and make the oil inlet and outlet smoother, in the present embodiment, it is preferable that a vent pipe 17 is provided between the bearing cover 7 and the oil tank 9.
In order to improve the cooling efficiency, in the present embodiment, it is preferable that a fan 18 is disposed above the cooler 10.
In order to filter impurities conveniently, in this embodiment, preferably, a filter screen is installed in the air inlet box 5.
In order to reduce noise, in this embodiment, it is preferable that the inner side of the air inlet box 5 is attached with sound-deadening cotton.
In order to reduce noise, in the present embodiment, a muffler 19 is preferably provided below the motor.
For convenience of driving, in the present embodiment, the motor is preferably a permanent magnet synchronous motor 1.
The utility model discloses a theory of operation and use flow: the double-screw main engine 2 utilizes a pair of meshed male and female rotors to be meshed with each other in the cylinder to form a working volume, the rotors rotate reversely at a high speed through the synchronous gears, the size of the working volume is periodically changed along with the rotation of the rotors, the compression of gas is simultaneously realized in the gas conveying process, no lubricating oil exists in a compression cavity, the efficiency is high, the process of conveying and compressing the gas is continuous and gradual, the airflow pulsation is lower, the exhaust noise is low, and the temperature control is more convenient.
By adopting oil cooling, the cooling of the double-screw main machine 2 is divided into two parts, one part is cooling of the shell 6, and the other part is cooling of the bearing. Oil pump 8 provides power, make lubricating oil in the oil tank 9 go into oil pump 8 through first oil pipe 11 pump and get into cooler 10 through second oil pipe 12 again, lubricating oil is through cooler 10 cooling and oil strain the filtration back, some lubricating oil gets into the intermediate layer of shell 6 through third oil pipe 13, cooling host computer shell 6, then return oil tank 9 through fifth oil pipe 15, another part lubricating oil gets into bearing housing 7 through fourth oil pipe 14, cool off the host computer bearing, then get back to oil tank 9 through sixth oil pipe 16, improve cooling efficiency through cooling module, prevent machine high temperature, extension equipment life, energy loss is reduced, the efficiency of air-blower is improved.
Through small solid particle in the 4 filtering air of air cleaner, and install the filter screen in air inlet box 5, impurity such as dust in the filtered air, protect each spare part, reduce the exhaust noise through muffler 19, place muffler 19 in PMSM 1 below, make whole driving system structure with the compactness, reduce the complete machine volume, through pasting the amortization cotton in air inlet box 5, make the noise of breathing in low, reduce the complete machine noise, communicate bearing housing 7 and oil tank 9 through breather pipe 17, the internal pressure of bearing housing 7 of bleeding makes the oil feed more smooth and easy.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a permanent magnetism frequency conversion directly allies oneself with does not have oily screw blower, includes motor and the twin-screw host computer (2) of being connected with the motor, its characterized in that: the upper side of the double-screw host (2) is communicated with an air guide pipe (3), the air guide pipe (3) is communicated with an air filter (4), the air filter (4) is communicated with an air inlet box (5), the double-screw host (2) comprises a screw component, a shell (6) and a bearing cover (7), the screw component is arranged in the shell (6), and the bearing cover (7) is arranged on one side of the shell (6);
the double-screw host (2) is connected with cooling module, cooling module includes oil pump (8), oil tank (9) and cooler (10), oil pump (8) are through first oil pipe (11) and oil tank (9) intercommunication, and it communicates through second oil pipe (12) and cooler (10), cooler (10) communicate through the intermediate layer of third oil pipe (13) and shell (6), and it communicates through fourth oil pipe (14) and bearing housing (7), the intermediate layer of shell (6) communicates through fifth oil pipe (15) and oil tank (9), bearing housing (7) communicate through sixth oil pipe (16) and oil tank (9).
2. The permanent magnet frequency conversion direct-connection oil-free screw blower according to claim 1, characterized in that: and a vent pipe (17) is communicated between the bearing cover (7) and the oil tank (9).
3. The permanent magnet frequency conversion direct-connection oil-free screw blower according to claim 1, characterized in that: a fan (18) is arranged above the cooler (10).
4. The permanent magnet frequency conversion direct-connection oil-free screw blower according to claim 1, characterized in that: a filter screen is arranged in the air inlet box (5).
5. The permanent magnet frequency conversion direct-connection oil-free screw blower according to claim 1, characterized in that: the inner side of the air inlet box (5) is adhered with silencing cotton.
6. The permanent magnet frequency conversion direct-connection oil-free screw blower according to claim 1, characterized in that: a silencer (19) is arranged below the motor.
7. The permanent magnet frequency conversion direct-connection oil-free screw blower according to claim 1, characterized in that: the motor is a permanent magnet synchronous motor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220041200.1U CN216589103U (en) | 2022-01-10 | 2022-01-10 | Permanent magnet frequency conversion direct-connection oilless screw air blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220041200.1U CN216589103U (en) | 2022-01-10 | 2022-01-10 | Permanent magnet frequency conversion direct-connection oilless screw air blower |
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| Publication Number | Publication Date |
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| CN216589103U true CN216589103U (en) | 2022-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220041200.1U Active CN216589103U (en) | 2022-01-10 | 2022-01-10 | Permanent magnet frequency conversion direct-connection oilless screw air blower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116292298A (en) * | 2023-05-11 | 2023-06-23 | 福建省泉州市力达机械有限公司 | Low-noise energy-saving oil-free screw blower |
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2022
- 2022-01-10 CN CN202220041200.1U patent/CN216589103U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116292298A (en) * | 2023-05-11 | 2023-06-23 | 福建省泉州市力达机械有限公司 | Low-noise energy-saving oil-free screw blower |
| CN116292298B (en) * | 2023-05-11 | 2023-08-15 | 福建省泉州市力达机械有限公司 | Low-noise energy-saving oil-free screw blower |
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