CN218217152U - High-speed magnetic suspension permanent magnet fan frequency conversion control system for coal mine sewage treatment - Google Patents
High-speed magnetic suspension permanent magnet fan frequency conversion control system for coal mine sewage treatment Download PDFInfo
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- CN218217152U CN218217152U CN202222784799.0U CN202222784799U CN218217152U CN 218217152 U CN218217152 U CN 218217152U CN 202222784799 U CN202222784799 U CN 202222784799U CN 218217152 U CN218217152 U CN 218217152U
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Abstract
The utility model discloses a high-speed magnetic suspension permanent magnet fan variable frequency control system for coal mine sewage treatment is applied to high-power interchange speed governing technology field, include: the system comprises a three-phase power supply, a parallel power converter, a high-speed magnetic suspension permanent magnet fan and a control module; wherein, the control module includes: the output end of the high-speed magnetic suspension permanent magnet fan is connected with the input end of the parallel power converter through the analog quantity sampling board, the main control board and the parallel driving module in sequence. The utility model adopts the topology of the parallel power converter as the circuit topology of the frequency conversion control system of the high-speed magnetic suspension permanent magnet fan, improves the power grade of the power converter, increases the system current, and is suitable for the application site of coal mine sewage treatment; the anti-interference performance of the driving signal is enhanced by adopting the parallel driving module.
Description
Technical Field
The utility model relates to a high-power interchange speed governing technology field, more specifically the saying so relates to a coal mine is high-speed magnetic suspension permanent magnet fan frequency conversion control system for sewage treatment.
Background
The high-speed magnetic suspension permanent magnet motor is a novel motor developed in recent years, and is characterized by small volume, high power density, high rotating speed (more than 10000rpm for most parts), and magnetic suspension (no traditional steel structure bearing and a magnetic control suspension mode), so that the high-speed magnetic suspension permanent magnet motor has the characteristics of high efficiency, long service life, fast dynamic response and the like, has unique advantages in the aspect of energy conservation, is subjected to preliminary test application in the fields of environmental protection, sewage treatment, cement industry and the like, and has remarkable energy-saving effect and wide application prospect. Permanent magnet motors powered by a 50Hz power supply have been used in equipment such as belt conveyors in coal mines for years, while high-speed magnetic suspension permanent magnet motors powered by hundreds of Hz to thousands of Hz frequency conversion have not been used in coal mines for precedent.
A wet-type spiral dust removal fan for coal mines, which can discharge sewage quickly, is disclosed in utility model patent No. CN210396794U, but only the structure of the fan is described. At present, most of coal mine enterprises in China adopt a Roots blower mode in sewage treatment blowers and mine pressure blowers, and most of the Roots blowers adopt alternating-current asynchronous motors, so that the defects of low efficiency, low rotating speed, high energy consumption and the like exist. Therefore, the advanced high-speed magnetic suspension permanent magnet motor transmission mining fan system and the application thereof are very necessary for the aspects of technical upgrading and reconstruction, energy conservation and the like of coal mine enterprises, and have important economic application value and social application significance. How to use the high-speed magnetic suspension permanent magnet fan for coal mine sewage treatment is an urgent problem to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a high-speed magnetic suspension permanent magnetism fan frequency conversion control system for coal mine sewage treatment can be applicable to coal mine sewage treatment's application scene.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a high-speed magnetic suspension permanent magnet fan frequency conversion control system for coal mine sewage treatment comprises: the system comprises a three-phase power supply, a parallel power converter, a high-speed magnetic suspension permanent magnet fan and a control module; the output end of the three-phase power supply is connected with the input end of the parallel power converter, the output end of the parallel power converter is connected with the input end of the high-speed magnetic suspension permanent magnet fan, the input end of the control module is connected with the output end of the high-speed magnetic suspension permanent magnet fan, and the output end of the control module is connected with the input end of the parallel power converter.
Preferably, the parallel power converter comprises: 2 three-phase full-bridge inverters connected in parallel, 12 capacitors and 1 direct-current reactor.
Preferably, the control module includes: the analog quantity sampling board, the main control board and the parallel driving module; the output end of the high-speed magnetic suspension permanent magnet fan is connected with the input end of the parallel power converter through an analog quantity sampling board, a main control board and a parallel driving module in sequence.
Preferably, the method further comprises the following steps: the device comprises an isolation transformer, a fuse, a reactor, an uncontrollable rectifier and a pre-charging resistor; and the output end of the three-phase power supply is connected with the input end of the parallel power converter sequentially through an isolation transformer, a fuse, a reactor, an uncontrollable rectifier and a pre-charging resistor.
Preferably, the high-speed magnetic suspension permanent magnet fan is connected with a ternary impeller, and the ternary impeller is connected with a coal mine sewage pool through a pipeline.
Preferably, the main control board is a DSP and FPGA main control board, the DSP chip is TMS320F28335, and the FPGA chip is A3P250-1PQ208.
Can know via foretell technical scheme, compare with prior art, the utility model discloses a high-speed magnetic suspension permanent magnet fan frequency conversion control system for coal mine sewage treatment has following beneficial effect:
the parallel power converter topology is adopted as the circuit topology of the high-speed magnetic suspension permanent magnet fan frequency conversion control system, the power grade of the power converter is improved, the system current is increased, and the system is suitable for the application field of coal mine sewage treatment; the anti-interference performance of the driving signal is enhanced by adopting the parallel driving module.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic diagram of the system structure of the present invention;
fig. 2 is a schematic diagram of a parallel power converter circuit according to the present invention;
in the figure: the system comprises a three-phase power supply 1, a parallel power converter 2, a high-speed magnetic suspension permanent magnet fan 3, an analog quantity sampling plate 41, a main control plate 42, a parallel driving module 43, an isolation transformer 5, a fuse 6, an uncontrollable rectifier bridge 7, a pre-charging resistor 8, a ternary impeller 9 and an electric reactor 10.
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 efforts all belong to the protection scope of the present invention.
The embodiment of the utility model discloses colliery sewage treatment is with high-speed magnetic suspension permanent magnetism fan frequency conversion control system, as shown in figure 1, include: the system comprises a three-phase power supply 1, a parallel power converter 2, a high-speed magnetic suspension permanent magnet fan 3 and a control module; the output end of a three-phase power supply 1 is connected with the input end of a parallel power converter 2, the output end of the parallel power converter 2 is connected with the input end of a high-speed magnetic suspension permanent magnet fan 3, the input end of a control module is connected with the output end of the high-speed magnetic suspension permanent magnet fan 3, and the output end of the control module is connected with the input end of the parallel power converter 2.
The three-phase power supply 1 provides direct-current voltage for the parallel power converter 2, the parallel power converter 2 supplies power for the high-speed magnetic suspension permanent magnet fan 3, the high-speed magnetic suspension permanent magnet fan 3 is connected with the control module, the control module collects corresponding voltage and current signals and carries out calculation through related algorithms, and the control module provides pulse signals for the parallel power converter 2.
Further, as shown in fig. 2, the parallel power converter 2 includes: 2 three-phase full-bridge inverters connected in parallel, 12 capacitors and 1 direct-current reactor.
Further, the control module includes: an analog quantity sampling board 41, a main control board 42 and a parallel driving module 43; the output end of the high-speed magnetic suspension permanent magnet fan 3 is connected with the input end of the parallel power converter 2 through an analog quantity sampling plate 41, a main control plate 42 and a parallel driving module 43 in sequence.
The high-speed magnetic suspension permanent magnet fan 3 is connected with an analog quantity sampling plate 41, and the analog quantity sampling plate 41 acquires corresponding voltage and current signals; the main control board 42 is connected with the analog quantity sampling board 41, and the acquired voltage and current signals are transmitted to the main control board 42 to complete the calculation of the related algorithm; the main control board 42 is connected with the parallel driving module 43, the parallel driving module 43 is connected with the parallel power converter 2, and the parallel driving module 43 provides a pulse signal for the parallel power converter 2.
Further, the control system further comprises: an isolation transformer 5, a fuse 6, a reactor 10, an uncontrollable rectifier 7 and a pre-charging resistor 8; the output end of the three-phase power supply 1 is connected with the input end of the parallel power converter 2 through an isolation transformer 5, a fuse 6, a reactor 10, an uncontrollable rectifier 7 and a pre-charging resistor 8 in sequence.
The three-phase power supply 1 is connected with an isolation transformer 5, the isolation transformer 5 is connected with a fuse 6, and the fuse 6 is connected with a reactor; the reactor 10 supplies a three-phase alternating-current voltage; the reactor 10 is connected with the uncontrollable rectifier bridge 7, so that the rectification process is realized; the uncontrollable rectifier bridge 7 is connected with a pre-charging resistor 8, the pre-charging resistor 8 is connected with the parallel power converter 2, and the pre-charging resistor 8 provides direct-current voltage for the parallel power converter 2.
Further, the high-speed magnetic suspension permanent magnet fan 3 is connected with a ternary impeller 9, and the ternary impeller 9 is connected with a coal mine sewage pool through a pipeline.
Further, the main control board 42 is a DSP and FPGA main control board, the DSP chip is TMS320F28335, and the FPGA chip is A3P250-1PQ208.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a colliery is high-speed magnetic suspension permanent magnetism fan frequency conversion control system for sewage treatment which characterized in that includes: the system comprises a three-phase power supply (1), a parallel power converter (2), a high-speed magnetic suspension permanent magnet fan (3) and a control module; the output end of the three-phase power supply (1) is connected with the input end of the parallel power converter (2), the output end of the parallel power converter (2) is connected with the input end of the high-speed magnetic suspension permanent magnet fan (3), the input end of the control module is connected with the output end of the high-speed magnetic suspension permanent magnet fan (3), and the output end of the control module is connected with the input end of the parallel power converter (2).
2. The frequency conversion control system of the high-speed magnetic suspension permanent magnet fan for coal mine sewage treatment according to claim 1, characterized in that the parallel power converter (2) comprises: 2 three-phase full-bridge inverters connected in parallel, 12 capacitors and 1 direct current reactor.
3. The frequency conversion control system for the high-speed magnetic suspension permanent magnet fan for coal mine sewage treatment as recited in claim 1, wherein the control module comprises: the device comprises an analog quantity sampling board (41), a main control board (42) and a parallel driving module (43); the output end of the high-speed magnetic suspension permanent magnet fan (3) is connected with the input end of the parallel power converter (2) through an analog quantity sampling plate (41), a main control plate (42) and a parallel driving module (43) in sequence.
4. The frequency conversion control system of the high-speed magnetic suspension permanent magnet fan for coal mine sewage treatment according to claim 1, further comprising: the device comprises an isolation transformer (5), a fuse (6), a reactor (10), an uncontrollable rectifier (7) and a pre-charging resistor (8); the output end of the three-phase power supply (1) is connected with the input end of the parallel power converter (2) sequentially through an isolation transformer (5), a fuse (6), a reactor (10), an uncontrollable rectifier (7) and a pre-charging resistor (8).
5. The frequency conversion control system of the high-speed magnetic suspension permanent magnet fan for coal mine sewage treatment according to claim 1, characterized in that the high-speed magnetic suspension permanent magnet fan (3) is connected with a ternary impeller (9), and the ternary impeller (9) is connected with a coal mine sewage pool through a pipeline.
6. The frequency conversion control system of the high-speed magnetic suspension permanent magnet fan for coal mine sewage treatment according to claim 3, characterized in that the main control board (42) is a DSP and FPGA main control board, the DSP chip is TMS320F28335, and the FPGA chip is A3P250-1PQ208.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222784799.0U CN218217152U (en) | 2022-10-22 | 2022-10-22 | High-speed magnetic suspension permanent magnet fan frequency conversion control system for coal mine sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222784799.0U CN218217152U (en) | 2022-10-22 | 2022-10-22 | High-speed magnetic suspension permanent magnet fan frequency conversion control system for coal mine sewage treatment |
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| Publication Number | Publication Date |
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| CN218217152U true CN218217152U (en) | 2023-01-03 |
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| CN202222784799.0U Active CN218217152U (en) | 2022-10-22 | 2022-10-22 | High-speed magnetic suspension permanent magnet fan frequency conversion control system for coal mine sewage treatment |
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| CN (1) | CN218217152U (en) |
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2022
- 2022-10-22 CN CN202222784799.0U patent/CN218217152U/en active Active
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