CN216342801U - Permanent magnet variable frequency vacuum unit - Google Patents
Permanent magnet variable frequency vacuum unit Download PDFInfo
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- CN216342801U CN216342801U CN202122316801.7U CN202122316801U CN216342801U CN 216342801 U CN216342801 U CN 216342801U CN 202122316801 U CN202122316801 U CN 202122316801U CN 216342801 U CN216342801 U CN 216342801U
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Abstract
The utility model discloses a permanent magnet variable-frequency vacuum unit which comprises a sheet metal base, a variable-frequency structure, a filter element structure, a plurality of sheet metal doors and a sheet metal top plate, wherein sheet metal stand columns are fixedly installed on the upper end surface of the sheet metal base close to four inner corners of the sheet metal base through screws, the plurality of sheet metal doors are installed at the four sheet metal stand columns through hinge connectors respectively, the sheet metal top plate is fixedly installed at the tops of the four sheet metal stand columns, the variable-frequency structure is installed on the upper end surface of the sheet metal base, and the filter element structure is installed at the variable-frequency structure. The utility model can reduce the power by carrying out single-frequency conversion or double-frequency conversion on the two pump bodies, and effectively reduces the overall energy consumption of the unit when the unit does not need to run at high power, thereby being beneficial to energy conservation and environmental protection, having higher practicability, being convenient for carrying out quick and convenient replacement treatment on the filter element, having higher efficiency and further improving the practicability of the unit.
Description
Technical Field
The utility model relates to the field of vacuum unit equipment, in particular to a permanent magnet variable frequency vacuum unit.
Background
The vacuum unit is formed by connecting a roots pump serving as a main pump and a water ring pump serving as a backing pump in series, and the water ring pump selected by the water ring vacuum unit serving as the backing pump is more favorable than other vacuum pumps because the water ring vacuum unit overcomes the defects of limit pressure difference and low air suction speed under certain pressure when a single water ring pump is used, and simultaneously keeps the rapid work of the roots pump, has the advantage of higher air suction speed, can be suitable for pumping a large amount of condensable steam, and is especially more obvious when the capability of the gas-bearing oil-sealing mechanical vacuum pump for removing the condensable steam is not enough, or the used solvent can deteriorate pump oil to influence the performance, or the vacuum system does not allow oil pollution.
However, the existing vacuum units have the following disadvantages:
1. two pump bodies inside the vacuum unit are operated at the maximum power during operation and do not have the frequency conversion function, so that when the equipment is not required to operate at the maximum power, a large amount of waste of electric energy can be caused, energy conservation and environmental protection are not facilitated, the production cost of enterprises is also improved, and the practicability is poor.
2. The filter element of the filter structure is not convenient to detach and replace, needs to detach the filter shell completely, and then replaces the filter element, so that time and labor are wasted, and the efficiency is lower.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a permanent magnet variable frequency vacuum unit, which solves the problems that two pump bodies in the traditional vacuum unit run at the maximum power during working and do not have a variable frequency function, so that when equipment is not needed to run at the maximum power, a large amount of waste of electric energy can be caused, the energy is not beneficial to environmental protection, the production cost of enterprises is also improved, the practicability is poor, a filter element of a filter structure is not convenient to disassemble and replace, the filter shell needs to be disassembled completely, the filter element needs to be replaced, time and labor are wasted, and the efficiency is low.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a permanent magnetism frequency conversion vacuum unit, includes panel beating base, frequency conversion structure, filter core structure, panel beating door and panel beating roof, the upper end surface of panel beating base is being close to all there is the panel beating stand in its four internal angle departments through screw fixed mounting, the panel beating door is provided with a plurality ofly, and is a plurality of panel beating door is installed in four panel beating stand departments through hinge connection spare respectively, panel beating roof fixed mounting is in the top department of four panel beating stands, frequency conversion structure installs in the upper end surface department of panel beating base, filter core structrual installation is in frequency conversion structure department.
Preferably, the bottom of the sheet metal top plate is provided with an axial flow fan, and the sheet metal top plate is provided with a through air port matched with the axial flow fan.
Preferably, the frequency conversion structure comprises a first frequency converter, a second frequency converter, an oil-free dry screw vacuum pump, an oil-free dry Roots vacuum pump and a frequency conversion motor, the first frequency converter and the second frequency converter are respectively and fixedly arranged on the upper end surface of the sheet metal base through mounting pieces, the oil-free dry screw vacuum pump is also fixedly arranged on the upper end surface of the sheet metal base through a mounting part, the oilless dry type Roots vacuum pump is arranged above the oilless dry type screw vacuum pump through a mounting part, the variable frequency motor is arranged at one side of the oilless dry type Roots vacuum pump, the variable frequency motor is connected with an oil-free dry Roots vacuum pump, the first frequency converter is connected with an oil-free dry screw vacuum pump, the second frequency converter is connected with an oil-free dry type roots vacuum pump, and the oil-free dry type screw vacuum pump is connected with the oil-free dry type roots vacuum pump in series.
Preferably, the filter element structure comprises a filter shell, a side hinge door plate, a filter element main body, an upper hinge door plate and screw connecting supports, the filter shell is arranged at the top of the oil-free dry type Roots vacuum pump and is communicated and connected with the oil-free dry type Roots vacuum pump, the front side and the top of the filter shell are both in an open design, the filter element main body is positioned in the filter shell, the upper hinge door plate is hinged and arranged at the top of the filter shell through a connecting hinge, the side hinge door plate is hinged and arranged at the front opening of the filter shell through a connecting hinge, a plurality of screw connecting supports are arranged at the periphery of the filter shell, a plurality of connecting blocks matched with the screw connecting supports are arranged at the side hinge door plate and the upper hinge door plate, the connecting block is provided with a through screw hole.
The utility model provides a permanent magnet variable frequency vacuum unit, which has the following beneficial effects:
(1) according to the utility model, through the frequency conversion structure, when the equipment does not need to operate at the maximum power, the frequency conversion can be carried out on the oil-free dry type Roots vacuum pump through the second frequency converter according to actual needs, so that the single frequency conversion is realized, the operation power of the equipment is reduced, the whole energy consumption of the equipment is reduced, the frequency conversion can be carried out on the oil-free dry type Roots vacuum pump through the second frequency converter, meanwhile, the frequency conversion is carried out on the oil-free dry type screw vacuum pump through the first frequency converter, the double frequency conversion is formed, the operation power of the two is reduced, the whole energy consumption of the equipment is greatly reduced, the energy-saving and environment-friendly effects of the equipment are effectively improved, and the practicability is higher.
(2) According to the utility model, by arranging the filter element structure, when the filter element main body needs to be replaced, the sheet metal door can be opened firstly, and then the fixing screws for detaching the side hinge door plates and the top hinge door plate are opened, so that the filter element main body can be replaced quickly, the filter shell does not need to be detached completely, and the filter element main body is time-saving, labor-saving, convenient and quick.
Drawings
FIG. 1 is a schematic exploded view of the overall structure of the present invention;
fig. 2 is a schematic view of a filter cartridge installation structure of the present invention.
In the figure: 1. a metal plate base; 2. a sheet metal door; 3. a sheet metal top plate; 4. a sheet metal upright post; 5. an axial flow fan; 6. a penetration tuyere; 7. a first frequency converter; 8. a second frequency converter; 9. an oil-free dry screw vacuum pump; 10. an oil-free dry Roots vacuum pump; 11. a variable frequency motor; 12. a filter housing; 13. a door panel is hinged on the side surface; 14. a filter element main body; 15. an upper hinge door panel; 16. the screw is connected with the bracket; 17. and (4) connecting the blocks.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-2, the present invention provides a technical solution: the utility model provides a permanent magnetism frequency conversion vacuum unit, includes panel beating base 1, frequency conversion structure, filter core structure, panel beating door 2 and panel beating roof 3, the upper end surface of panel beating base 1 is being close to all there is panel beating stand 4 through screw fixed mounting in its four internal corners department, panel beating door 2 is provided with a plurality ofly, and is a plurality of panel beating door 2 is installed in four panel beating stands 4 departments through hinge connection spare respectively, 3 fixed mounting in the top department of four panel beating stands 4 of panel beating roof, frequency conversion structrual installation is in the upper end surface department of panel beating base 1, filter core structrual installation is in frequency conversion structrual department.
An axial flow fan 5 is arranged at the bottom of the metal plate top plate 3, and a through air opening 6 matched with the axial flow fan 5 is formed in the metal plate top plate 3, so that the internal structure of the unit can be subjected to ventilation and heat dissipation treatment through the axial flow fan 5;
the frequency conversion structure comprises a first frequency converter 7, a second frequency converter 8, an oil-free dry type screw vacuum pump 9, an oil-free dry type Roots vacuum pump 10 and a variable frequency motor 11, wherein the first frequency converter 7 and the second frequency converter 8 are respectively fixedly installed at the upper end surface of the sheet metal base 1 through installation parts, the oil-free dry type screw vacuum pump 9 is also fixedly installed at the upper end surface of the sheet metal base 1 through the installation parts, the oil-free dry type Roots vacuum pump 10 is installed at the upper part of the oil-free dry type screw vacuum pump 9 through the installation parts, the variable frequency motor 11 is installed at one side of the oil-free dry type Roots vacuum pump 10, the variable frequency motor 11 is connected with the oil-free dry type vacuum pump 10, the first frequency converter 7 is connected with the oil-free dry type Roots vacuum pump 9, the second frequency converter 8 is connected with the oil-free dry type Roots vacuum pump 10, and the dry type screw vacuum pump 9 is connected with the oil-free dry type Roots vacuum pump 10 in series, when the equipment does not need to operate at the maximum power, the frequency of the oil-free dry type Roots vacuum pump 10 can be converted through the second frequency converter 8 according to actual needs, so that the operating power of the equipment is reduced, the overall operating power of the unit is reduced, single frequency conversion is realized, the overall energy consumption of the equipment is reduced, the frequency of the oil-free dry type Roots vacuum pump 10 can be converted through the second frequency converter 8, meanwhile, the frequency of the oil-free dry type screw vacuum pump 9 is converted through the first frequency converter 7 to form double frequency conversion, so that the operating powers of the oil-free dry type Roots vacuum pump 10 and the oil-free dry type screw vacuum pump 9 are reduced, the overall energy consumption of the equipment is greatly reduced, the energy-saving and environment-friendly effects of the equipment are effectively improved, and the practicability is high;
the filter element structure comprises a filter shell 12, a side hinge door panel 13, a filter element main body 14, an upper hinge door panel 15 and screw connecting supports 16, wherein the filter shell 12 is installed at the top of an oil-free dry Roots vacuum pump 10, the filter shell 12 is communicated and connected with the oil-free dry Roots vacuum pump 10, the front side and the top of the filter shell 12 are both in an open design, the filter element main body 14 is positioned in the filter shell 12, the upper hinge door panel 15 is hinged and installed at the top of the filter shell 12 through a connecting hinge, the side hinge door panel 13 is hinged and installed at the front opening of the filter shell 12 through a connecting hinge, a plurality of screw connecting supports 16 are arranged at the periphery of the filter shell 12, a plurality of connecting blocks 17 matched with the screw connecting supports 16 are arranged at the side hinge door panel 13 and the upper hinge door panel 15, connecting block 17 department sets up the screw hole that runs through, when needing to change filter core main part 14, can open the panel beating door 2 that corresponds position department earlier, then reuse instrument lift off the fixed screw of usefulness of side hinge door plant 13 and top hinge door plant department, make it and the separation of screwed connection support 16, then overturn and open side hinge door plant 13 and top hinge door plant, at this moment, can be fast convenient change the processing to filter core main part 14, need not to change again after the whole of filter housing 12 is pulled down and follow-up installation, time saving and labor saving, the work efficiency when changing has been improved, the practicality of unit has further been improved.
The working principle is as follows: when the equipment does not need to operate at the maximum power, the frequency of the oil-free dry Roots vacuum pump 10 can be converted through the second frequency converter 8 according to actual needs, the operating power of the oil-free dry Roots vacuum pump is reduced, the integral operating power of a unit is reduced, single frequency conversion is realized, the integral energy consumption of the equipment is reduced, the frequency of the oil-free dry Roots vacuum pump 10 can be converted through the second frequency converter 8, meanwhile, the frequency of the oil-free dry screw vacuum pump 9 is converted through the first frequency converter 7 to form double frequency conversion, the operating power of the oil-free dry Roots vacuum pump 10 and the oil-free dry screw vacuum pump 9 is reduced, the integral energy consumption of the equipment is greatly reduced, the energy-saving and environment-friendly effects are effectively improved, the practicability is higher, when the filter element main body 14 needs to be replaced, the sheet metal door 2 at the corresponding position can be opened firstly, and then screws for fixing the side hinge door panel 13 and the top hinge door panel are dismounted by tools, make its and 16 separation of screwed connection support, then overturn and open side hinge door plant 13 and top hinge door plant, at this moment, can be fast convenient change the processing to filter core main part 14, need not to change again after the whole dismantlement of filter housing 12 and follow-up installation, labour saving and time saving has improved the work efficiency when changing, has further improved the practicality of unit.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a permanent magnetism frequency conversion vacuum unit, includes panel beating base (1), frequency conversion structure, filter core structure, panel beating door (2) and panel beating roof (3), its characterized in that: the upper end surface of panel beating base (1) is being close to all there are panel beating stand (4) through screw fixed mounting in its four internal angle departments, panel beating door (2) are provided with a plurality ofly, and are a plurality of panel beating door (2) are installed in four panel beating stand (4) departments through hinge connection spare respectively, panel beating roof (3) fixed mounting is in the top department of four panel beating stand (4), frequency conversion structure installs in the upper end surface department of panel beating base (1), filter core structure installs in frequency conversion structure department.
2. The permanent magnet variable frequency vacuum unit according to claim 1, characterized in that: the bottom of the sheet metal top plate (3) is provided with an axial flow fan (5), and the sheet metal top plate (3) is provided with a through air port (6) matched with the axial flow fan (5).
3. The permanent magnet variable frequency vacuum unit according to claim 1, characterized in that: the frequency conversion structure comprises a first frequency converter (7), a second frequency converter (8), an oil-free dry type screw vacuum pump (9), an oil-free dry type Roots vacuum pump (10) and a variable frequency motor (11), wherein the first frequency converter (7) and the second frequency converter (8) are respectively fixedly installed at the upper end surface of the sheet metal base (1) through installation parts, the oil-free dry type screw vacuum pump (9) is also fixedly installed at the upper end surface of the sheet metal base (1) through the installation parts, the oil-free dry type Roots vacuum pump (10) is installed at the upper part of the oil-free dry type screw vacuum pump (9) through the installation parts, the variable frequency motor (11) is installed at one side of the oil-free dry type Roots vacuum pump (10), the variable frequency motor (11) is connected with the oil-free dry type screw vacuum pump (10), and the first frequency converter (7) is connected with the oil-free dry type screw vacuum pump (9), the second frequency converter (8) is connected with an oil-free dry type roots vacuum pump (10), and the oil-free dry type screw vacuum pump (9) is connected with the oil-free dry type roots vacuum pump (10) in series.
4. The permanent magnet variable frequency vacuum unit according to claim 1, characterized in that: the filter element structure comprises a filter shell (12), a side hinge door panel (13), a filter element main body (14), an upper hinge door panel (15) and screw connecting supports (16), wherein the filter shell (12) is installed at the top of an oil-free dry Roots vacuum pump (10), the filter shell (12) is communicated and connected with the oil-free dry Roots vacuum pump (10), the front side and the top of the filter shell (12) are both in an open design, the filter element main body (14) is located in the filter shell (12), the upper hinge door panel (15) is hinged and installed at the top of the filter shell (12) through connecting hinges, the side hinge door panel (13) is hinged and installed at a front opening of the filter shell (12) through connecting hinges, and a plurality of screw connecting supports (16) are arranged at the periphery of the filter shell (12), the side hinge door panel (13) and the upper hinge door panel (15) are provided with a plurality of connecting blocks (17) matched with the positions of the screw connecting supports (16), and the connecting blocks (17) are provided with through screw holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122316801.7U CN216342801U (en) | 2021-09-24 | 2021-09-24 | Permanent magnet variable frequency vacuum unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122316801.7U CN216342801U (en) | 2021-09-24 | 2021-09-24 | Permanent magnet variable frequency vacuum unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216342801U true CN216342801U (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122316801.7U Active CN216342801U (en) | 2021-09-24 | 2021-09-24 | Permanent magnet variable frequency vacuum unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216342801U (en) |
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2021
- 2021-09-24 CN CN202122316801.7U patent/CN216342801U/en active Active
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