CN202535301U - Flotation machine frequency conversion and speed regulation control device - Google Patents
Flotation machine frequency conversion and speed regulation control device Download PDFInfo
- Publication number
- CN202535301U CN202535301U CN2012201480958U CN201220148095U CN202535301U CN 202535301 U CN202535301 U CN 202535301U CN 2012201480958 U CN2012201480958 U CN 2012201480958U CN 201220148095 U CN201220148095 U CN 201220148095U CN 202535301 U CN202535301 U CN 202535301U
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- circuit
- control apparatus
- flotation device
- speed control
- frequency changing
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Abstract
The present utility model relates to a flotation machine frequency conversion and speed regulation control device. The device comprises a rectification circuit, a filter circuit, an inversion circuit, a control circuit, a sensor, an electric quantity analyzer and a human-computer interface; the rectification circuit is connected with the inversion circuit through the filter circuit, a permanent magnet motor M is connected with the inversion circuit; the control circuit is connected with the permanent magnet motor M through the sensor; the control circuit is also connected with the inversion circuit and the human-computer interface; and the electric quantity analyzer is connected with the rectification circuit. A flotation machine permanent magnet direct-driven motor is controlled to be adjusted at will within the rotating speed scope, an optimal flotation rotating speed can be set conveniently by a user according to the practical situation; in the material-free light load condition of equipment, the economical rotating speed consuming least power can be realized through adjusting output current, and the energy-saving effect is obvious.
Description
Technical field
The utility model relates to a kind of flotation device frequency changing regulating speed control apparatus, belongs to the power electronics control technology field of preparation equipment.
Background technology
The flotation driving arrangement that the flotation device of prior art adopts is an AC induction motor, and motor carries out flotation operation through pulley decelerates system drive shaft.Usually each adjusting of rotating speed all needs the dismounting belt pulley to carry out match and regulate, and field adjustable work is inconvenience very; Also have a kind of pulley decelerates system that do not use to drive the device that shaft carries out flotation, but lack Frequency Conversion and Speed Regulation Technique.In a word; There is shortcoming in the flotation device of prior art: one of which, asynchronous machine drive shaft through belt pulley; Be difficult to according to the on-the-spot fast at any time adjustment shaft speed of different ore pulp character; Improve sorting index, and the technical scheme of the device that the prior art that directly drives shaft not have effectively to control; Two,, be difficult to reach the economic speed that economizes most, realize energy-conservation function through regulating output current because above-mentioned shortcoming is not being had under the material light duty flotation device of prior art.
Summary of the invention
The purpose of the utility model is: the shortcoming that overcomes prior art; A kind of flotation device frequency changing regulating speed control apparatus is provided; It has the function of frequency control, and the control magneto directly drives flotation device and in the range of speeds, regulates rotating speed arbitrarily, makes things convenient for the user to set optimum flotation rotating speed according to actual conditions; Equipment is not having under the material light duty, can reach the economic speed that electricity consumption economizes most through regulating output current, realizes purpose of energy saving.
The technical scheme of the utility model is:
A kind of flotation device frequency changing regulating speed control apparatus comprises rectification circuit, filter circuit, inverter circuit, control circuit, transducer and coulometric analysis appearance and man-machine interface; Described rectification circuit is connected with inverter circuit through filter circuit; Magneto M is connected with inverter circuit; Control circuit is connected with magneto M through transducer; Control circuit also is connected with inverter circuit and man-machine interface; The coulometric analysis appearance is connected with rectification circuit.
Further technical scheme is:
Described flotation device frequency changing regulating speed control apparatus, its rectification circuit is made up of diode-bridge circuit, and this diode-bridge circuit is by three-phase 380V ac power supply, and three-phase alternating-current supply is carried out full-wave rectification.
Described flotation device frequency changing regulating speed control apparatus, its filter circuit are the LC filter circuit, and this filter circuit becomes steady direct current with the Rectified alternating current of rectification circuit output.
Described flotation device frequency changing regulating speed control apparatus, its inverter circuit is made up of 6 IGB modules, will be transformed into the square-wave voltage of desirable certain frequency from the steady direct current of the output of filter circuit, thereby magneto M is controlled.
Described flotation device frequency changing regulating speed control apparatus, its transducer comprise current sensor that detects electric current and the position transducer that detects magneto M turned position.
Described flotation device frequency changing regulating speed control apparatus, its coulometric analysis appearance has display screen, and the parameter that this display screen showed comprises three-phase input voltage, electric current, power factor (PF) and active electrical degree electrical parameter.
Described flotation device frequency changing regulating speed control apparatus, its man-machine interface is operation and display unit, is used to set and show the operational factor of magneto M, comprises rotating speed and fault status information.
Described flotation device frequency changing regulating speed control apparatus, its control circuit comprise signal conditioning circuit, analog to digital converter ADC, programmable logic device FPGA, MCU processor, drive circuit, RS485 communication interface and memory EEPROM and memory RAM 48.
The utlity model has following advantage:
The utility model frequency changing regulating speed control apparatus has excellent speed governing, startup, high efficiency, High Power Factor, good electricity-saving effect, uses directly driving drive system and can replacing prior art fully of variable frequency speed-adjusting permanent magnet motor; Use magneto directly to connect shaft and can save the pulley decelerates system; After adopting RHVC control magneto; Adjusting of rotating speed can easily be accomplished; Can save the energy on the one hand; Flotation device is so just given and is selected factory's improvement floatation process, raising sorting index that strong platform is provided according to user's different ore pulp character scene adjustment shaft speed on the other hand.Use the flotation device frequency changing regulating speed control apparatus, have good economic benefits.
Description of drawings
Fig. 1 is the utility model apparatus structure block diagram;
Fig. 2 is the utility model device control circuit structured flowchart.
Embodiment
In conjunction with accompanying drawing and embodiment the utility model is described further as follows:
Like Fig. 1, shown in 2, be an embodiment of flotation device frequency changing regulating speed control apparatus, it has rectification circuit 1, filter circuit 2, inverter circuit 3, control circuit 4, transducer 5 and coulometric analysis appearance 6 and man-machine interface 7; Described rectification circuit 1 is connected with inverter circuit 3 through filter circuit 2; Magneto M is connected with inverter circuit 3; Control circuit 4 is connected with magneto M through transducer 5; Control circuit 4 also is connected with inverter circuit 3 and man-machine interface 7; Coulometric analysis appearance 6 is connected with rectification circuit 1.Described rectification circuit 1 is made up of diode-bridge circuit, and this diode-bridge circuit is by three-phase 380V ac power supply, and three-phase alternating-current supply is carried out full-wave rectification.Filter circuit 2 is the LC filter circuit, and this filter circuit becomes steady direct current with the Rectified alternating current of rectification circuit 1 output.Inverter circuit 3 is made up of 6 IGB modules, will be transformed into the square-wave voltage of desirable certain frequency from the steady direct current of the output of filter circuit 2, thereby magneto M is controlled.Transducer 5 comprises current sensor 5.1 that detects electric current and the position transducer 5.2 that detects magneto M turned position.Coulometric analysis appearance 6 has display screen, and the parameter that this display screen showed comprises three-phase input voltage, electric current, power factor (PF) and active electrical degree electrical parameter.Man-machine interface 7 is operation and display unit, is used to set and show the operational factor of magneto M, comprises rotating speed and fault status information.Control circuit 4 comprises signal conditioning circuit 4.1, analog to digital converter ADC4.2, programmable logic device FPGA4.3, MCU processor 4.4, drive circuit 4.5, RS485 communication interface 4.6 and memory EEPROM4.7 and memory RAM 484.8.
The utility model claim protection range is not limited to the foregoing description.
Claims (8)
1. a flotation device frequency changing regulating speed control apparatus is characterized in that, it comprises rectification circuit (1), filter circuit (2), inverter circuit (3), control circuit (4), transducer (5) and coulometric analysis appearance (6) and man-machine interface (7); Described rectification circuit (1) is connected with inverter circuit (3) through filter circuit (2); Magneto M is connected with inverter circuit (3); Control circuit (4) is connected with magneto M through transducer (5); Control circuit (4) also is connected with inverter circuit (3) and man-machine interface (7); Coulometric analysis appearance (6) is connected with rectification circuit (1).
2. flotation device frequency changing regulating speed control apparatus according to claim 1 is characterized in that, rectification circuit (1) is made up of diode-bridge circuit, and this diode-bridge circuit is by three-phase 380V ac power supply, and three-phase alternating-current supply is carried out full-wave rectification.
3. flotation device frequency changing regulating speed control apparatus according to claim 1 is characterized in that, filter circuit (2) is the LC filter circuit, and this filter circuit becomes steady direct current with the Rectified alternating current of rectification circuit (1) output.
4. flotation device frequency changing regulating speed control apparatus according to claim 1; It is characterized in that; Inverter circuit (3) is made up of 6 IGB modules, will be transformed into the square-wave voltage of desirable certain frequency from the steady direct current of output of filter circuit (2), thereby magneto M is controlled.
5. flotation device frequency changing regulating speed control apparatus according to claim 1 is characterized in that, transducer (5) comprises current sensor (5.1) that detects electric current and the position transducer (5.2) that detects magneto M turned position.
6. flotation device frequency changing regulating speed control apparatus according to claim 1 is characterized in that, coulometric analysis appearance (6) has display screen, and the parameter that this display screen showed comprises three-phase input voltage, electric current, power factor (PF) and active electrical degree electrical parameter.
7. flotation device frequency changing regulating speed control apparatus according to claim 1 is characterized in that, man-machine interface (7) is operation and display unit, is used to set and show the operational factor of magneto M, comprises rotating speed and fault status information.
8. flotation device frequency changing regulating speed control apparatus according to claim 1; It is characterized in that control circuit (4) comprises signal conditioning circuit (4.1), analog to digital converter ADC (4.2), programmable logic device FPGA (4.3), MCU processor (4.4), drive circuit (4.5), RS485 communication interface (4.6) and memory EEPROM (4.7) and memory RAM 48 (4.8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201480958U CN202535301U (en) | 2012-04-10 | 2012-04-10 | Flotation machine frequency conversion and speed regulation control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201480958U CN202535301U (en) | 2012-04-10 | 2012-04-10 | Flotation machine frequency conversion and speed regulation control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202535301U true CN202535301U (en) | 2012-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201480958U Expired - Fee Related CN202535301U (en) | 2012-04-10 | 2012-04-10 | Flotation machine frequency conversion and speed regulation control device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202535301U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102624301A (en) * | 2012-04-10 | 2012-08-01 | 武汉长海电气科技开发有限公司 | Variable frequency speed regulation control device and variable frequency speed regulation control method for flotation machine |
-
2012
- 2012-04-10 CN CN2012201480958U patent/CN202535301U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102624301A (en) * | 2012-04-10 | 2012-08-01 | 武汉长海电气科技开发有限公司 | Variable frequency speed regulation control device and variable frequency speed regulation control method for flotation machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20150410 |
|
| EXPY | Termination of patent right or utility model |