CN102114483B - Industrial dedusting device - Google Patents
Industrial dedusting device Download PDFInfo
- Publication number
- CN102114483B CN102114483B CN200910216966.8A CN200910216966A CN102114483B CN 102114483 B CN102114483 B CN 102114483B CN 200910216966 A CN200910216966 A CN 200910216966A CN 102114483 B CN102114483 B CN 102114483B
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- motor
- fan blade
- circuit
- power
- brushless
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Abstract
The invention discloses an industrial dedusting device which comprises a garbage collection can, a can cover, a suction pipe and a fan device, wherein the fan device comprises a mechanical part and a circuit part, and also comprises a fan blade outer cover, a motor, a front end cover, a shell and a rear end cover; the motor drives a fan blade assembly to rotate, the motor is arranged in a motor cavity, the fan blade assembly is arranged in a fan blade cavity, the motor is a permanent magnet direct-current synchronous motor or a brushless direct-current motor; the circuit is electrically connected with the motor; the motor comprises a direct-current brushless stator winding, a permanent magnet, a direct-current brushless motor rotor and a bearing; the circuit comprises a CPU, a digital control circuit, a power contravariant unit, a voltage-reducing circuit and an energy-storing and filtering unit; and a power supply contravariant unit is arranged between the energy-storing and filtering unit and an input power grid. The industrial dedusting device can effectively reduce the maintenance cost, is stable in controlling the motor and the negative pressure, can eliminate the impact to the power grid during the work, and can generate high negative pressure at low speed.
Description
Technical field
Industries such as the present invention relates to cleaner field, be a kind ofly specifically widely used in weaving, clothing, automobile are kept a public place clean collects the industrial dedusting device of other textile waste gurrys such as industrial liquid, the end of a thread, useless cloth.
Background technology
Existing industrial dedusting equipment, as industrial dust collector and dust arrester, mostly adopts and has brushless motor to drag fan blade rotation generation negative pressure, and adopts analog circuit to control the running speed of motor and then the size of adjustment negative pressure, fan blade employing single-stage fan blade extracting air.The shortcoming that this scheme exists is: during work, the sub-contact brush of brush transfer exists wearing and tearing, in order to normal need of work often changes brush; During commutation, brush and rotor are connected and are produced electric spark and disturb electrical equipment, have larger impact to electrical network; The extraneous interfering signal ability that adapts to analog circuit causes negative pressure adjustment unstable; When motor is started working, electrical network is impacted serious; Single-stage fan blade produces negative pressure ability, and motor must could produce satisfied negative pressure at a high speed, causes the wearing and tearing of brush more serious like this.When production peak period, enterprise is difficult to the stability of guarantee equipment, and organization of production is chaotic, and manufacturing schedule is easily affected.
Summary of the invention
In order to overcome the defect of current industrial dust collector, the object of this invention is to provide one effectively can reduce maintenance cost, stablizes motor and vacuum cavitations, can eliminate the impact to electrical network and the industrial dedusting device of minimizing to the electrical noise interference of other equipment during work.
Further object is that the ability of generation negative pressure is strong, also can produce high negative pressure when low speed.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of industrial dedusting device, comprise refuse collection bucket, bung, suction pipe and blower fan apparatus, blower fan apparatus comprises mechanical part and circuit part, blower fan apparatus is arranged on bung, it is characterized in that: described blower fan apparatus mechanical part comprises fan blade outer cover, motor, drive end bearing bracket, casing and rear end cap, motor drives fan blade assembly to rotate, fan blade outer cover is fixed on drive end bearing bracket and forms fan blade chamber, rear end cap is fixed on drive end bearing bracket through casing and forms motor cavity, motor is arranged in motor cavity, fan blade assembly is arranged in fan blade chamber, motor is DC synchronous motor or brshless DC motor, circuit part is electrically connected with motor.
Described motor comprises brush DC stator winding, permanent magnet, brushless DC motor, bearing, brushless DC motor to stretch in fan blade chamber through motor cavity and is arranged on drive end bearing bracket and rear end cap by bearing, brush DC stator winding is fixed in casing, brushless DC motor is also through permanent magnet, fan blade assembly comprises determines fan blade, fan blade is moved in dynamic fan blade and supercharging, dynamic fan blade, determine fan blade and supercharging to move fan blade and be coaxially arranged on brushless DC motor from the free end of brushless DC motor successively, dynamic fan blade, supercharging is moved fan blade and is fixedly connected with brushless DC motor through locknut, determine fan blade and fan blade outer cover fixedly connects.。
Described circuit part comprises CPU and digital control circuit, power inverting unit, reduction voltage circuit and energy storage and filter unit, power inverter unit is provided with in energy storage and between filter unit and input electrical network, power inverter unit is for generation of high-voltage DC power supply and be stored on the storage capacitor in energy storage and filter unit as motor, the work energy of CPU and digital control circuit, energy storage and filter unit are connected with reduction voltage circuit, reduction voltage circuit is connected with CPU and digital control circuit, high-voltage DC power supply one tunnel is reduced to different low-voltage dc power supplies through reduction voltage circuit and powers to CPU and digital control circuit, there is provided power supply to after another road step-down power inverting unit, power inverting unit is connected with motor by motor three-phase power line, power inverting unit is used for providing electric energy for motor, the position of the data signal determination rotor that CPU and digital control circuit are come by motor position sensor through the first sample circuit, then power inverter unit triggers order is determined, CPU and digital control circuit also obtain the current signal of motor through the second sample circuit, determine the performance parameter of motor, CPU and digital control circuit are also connected with power inverting unit, control the triggered time of power inverting unit, the control signal of external control instruction transmission is received through the first sample circuit, according to the working method of this signal deciding motor.
Described power inverter unit is made up of chip DZ1 and auxiliary circuit around thereof, for input alternating current inversion be high voltage direct current VH, and be stored into electric capacity VC5, as the work energy of motor and digital circuit, digital control circuit is by chip U9 and peripheral circuits, chip U4 and peripheral circuits and sample circuit are formed, its chips U9 samples through digital motor position sensor signal of coming, determine the position of rotor, thus determine power inverter unit triggers order, the current signal of motor in sampling A/D chip U4, determine the performance parameter of motor, control the triggered time of power inverting unit, U9 receives the control signal that FTIN sends, according to the working method of this signal deciding motor, reduction voltage circuit is by chip U1 and peripheral circuits, chip U11 and peripheral circuits, chip U3 and peripheral circuits are formed, its chips U1 and peripheral circuits are reduced to VC8 high voltage direct current VH, chip U11 continues to be reduced to VC14 VC8 provides power supply to digital control unit, chip U2 is reduced to VC12 VC8 and provides power supply to power inverting unit, chip U3 is reduced to VC15 VC14 and provides power supply and peripheral reference power source to U9, power inverting unit is made up of chip U5 and peripheral circuits, wherein U5 receives the control signal of U9, rule is being stored in the energy transferring of electric capacity VC5 to motor, the mode being changed control signal by U9 changes the energy passing to motor, change the rotating speed of motor, and then change pressure extent.
Advantage of the present invention is:
Because motor is permagnetic synchronous motor or brshless DC motor, particularly change the electric machine structure in industrial dust collector and dust arrester and control method to passing through, solve the defect that brushless motor brings, reduce the maintenance to motor body, eliminate and resemble the impact to industrial equipment and electrical network of the electrical noise that produces when working brushless motor.Owing to being by microprocessor control electric machine rotation, stably can control the negative pressure of industrial dedusting device, industrial dedusting device refers in dust catcher or dust arrester in the present invention, therefore passable stable control dust catcher or the vacuum magnitude at dust arrester suction pipe two ends.
Determine fan blade, dynamic fan blade and supercharging move fan blade because fan blade assembly comprises, particularly move fan blade, fan blade is moved in supercharging and rotor is fixed as entirety, rotor drives dynamic fan blade to move together with fan blade with supercharging and rotates, and also can produce high negative pressure like this, improve the utilization ratio of the energy when low speed.
Accompanying drawing explanation
Fig. 1 is the longitudinally cutting structure chart of the blower fan apparatus of industrial dedusting device of the present invention;
Fig. 2 is the longitudinally half cutting structure chart of the blower fan apparatus of industrial dedusting device of the present invention;
Fig. 3 is the longitudinal component cutting structure chart of the blower fan apparatus of industrial dedusting device of the present invention;
Fig. 4 is the rotor blade structure schematic diagram of industrial dedusting device of the present invention;
The circuit block diagram of Fig. 5 industrial dedusting device of the present invention;
The circuit theory diagrams of Fig. 6 industrial dedusting device of the present invention.
In Fig. 2: 1 rear end cap; 2 bearings; 3 casings; 4 brushless DC motors; 5 brush DC stator winding; 6 drive end bearing brackets; 7 determine fan blade; 8 dynamic fan blades; 9 fan blade outer covers; 10 locknuts; Fan blade is moved in 11 superchargings; 12 motor signal lines; 13 motor three-phase power lines.
Detailed description of the invention
Below in conjunction with accompanying drawing, industrial dedusting device of the present invention is described in further detail.
Industrial dedusting device of the present invention, comprise refuse collection bucket, bung, suction pipe and blower fan apparatus, blower fan apparatus comprises mechanical part and circuit part, blower fan apparatus is arranged on bung, wherein blower fan apparatus comprises fan blade outer cover 9, motor, drive end bearing bracket 6, casing 3 and rear end cap 1, motor drives fan blade assembly to rotate, fan blade outer cover 9 is fixed on drive end bearing bracket 6, fan blade outer cover 9 inner chamber forms fan blade chamber, rear end cap 1 is fixed on drive end bearing bracket 6 through casing 3 and forms motor cavity, motor is arranged in motor cavity, fan blade assembly is arranged in fan blade chamber, motor is permagnetic synchronous motor or brshless DC motor, circuit part is electrically connected with motor.Wherein motor comprises brush DC stator winding 5, permanent magnet 14, brushless DC motor 4, bearing 2, and industrial dedusting device refers to dust catcher or dust arrester in the present invention.
As Figure 1-4, be the mechanical part of blower fan apparatus of the present invention, permagnetic synchronous motor or brshless DC motor and fan blade assembly two large divisions can be divided into by function:
Brush DC stator winding 5 is fixed on the inside of motor case 3, bearing 2 is fixed on blower fan rear end cap 1, bearing 2 and drive end bearing bracket 6 are fixed brushless DC motor 4 and brushless DC motor 4 are not produced radially wobble, by locknut 10, dynamic fan blade 8, supercharging move fan blade 11 and are fixed as entirety with brushless DC motor 4, and brushless DC motor 4 drives dynamic fan blade 8 to move together with fan blade 11 with supercharging and rotates.When dynamic fan blade 8 rotates, in extruding fan housing 9, air enters and determines fan blade 7 and enter into supercharging again and move fan blade 11, move fan blade 11 through supercharging to extrude further, air in fan housing is discharged from blower fan rear end cap 1, cause the inside and outside both sides air mineralization pressure of fan blade outer cover 9 poor, the pressure in outside is greater than the pressure of inner side, the air in outside enters the inner side of fan blade outer cover 9 under the effect of pressure differential, because the effect of pressure differential, the end of a thread, waste material and Other Waste enter in refuse collection bucket through suction pipe.Wherein the brush DC stator winding 5 of permagnetic synchronous motor or brshless DC motor is electromagnetic force the electric energy conversion that U5 sends over, and the permanent-magnet material partial action drive motor rotor in this electromagnetic force and brushless DC motor 4 operates.
As Fig. 5, shown in 6, the circuit part of industrial dedusting device of the present invention comprises CPU and digital control circuit, power inverting unit, reduction voltage circuit and energy storage and filter unit, wherein reduction voltage circuit forms voltage transformation module, CPU and digital control circuit form digital control unit, power inverter unit is provided with in energy storage and between filter unit and input electrical network, power inverter unit is for generation of high-voltage DC power supply and be stored on the storage capacitor in energy storage and filter unit as motor, the work energy of CPU and digital control circuit, energy storage and filter unit are connected with reduction voltage circuit, reduction voltage circuit is connected with CPU and digital control circuit, high-voltage DC power supply one tunnel is reduced to different low-voltage dc power supplies through reduction voltage circuit and powers to CPU and digital control circuit, there is provided power supply to after another road step-down power inverting unit, power inverting unit is connected with motor by motor three-phase power line 13, power inverting unit is used for providing electric energy for motor, CPU and digital control circuit control motor by motor signal line 12, the position of the data signal determination rotor that CPU and digital control circuit are come by motor position sensor through the first sample circuit, then power inverter unit triggers order is determined, CPU and digital control circuit also obtain the current signal of motor through the second sample circuit, determine the performance parameter of motor, CPU and digital control circuit are also connected with power inverting unit, control the triggered time of power inverting unit, the control signal of external control instruction transmission is received through the first sample circuit, according to the working method of this signal deciding motor.
As shown in Figure 6, each several part physical circuit is described below:
1) power inverter unit: chip DZl and auxiliary circuit around thereof are high voltage direct current vH the alternating current inversion of input, and are stored into electric capacity VC5, as the work energy of motor and digital circuit.
2) voltage transformation module: chip U1 and peripheral circuits are reduced to VC8 high voltage direct current VH; Chip U11 continues to be reduced to VCl4 VC8 provides power supply to digital control unit, and chip U2 is reduced to VCl2 VC8 and provides power supply to power inverting unit, and chip U3 is reduced to VCl5 VCl4 and provides power supply and peripheral reference power source to U9.
3) digital control unit: chip U9 samples through digital motor position sensor signal of coming, and determines the position of rotor, thus determine power inverter unit triggers order.In sampling U4, the current signal of motor, determines the performance parameter of motor, controls the triggered time of power inverting unit.U9 receives the control signal that FTIN sends, according to the working method of this signal deciding motor.
4) power inverting unit: U5 receives the control signal of U9, and rule is being stored in the energy transferring of electric capacity VC5 to motor, and the mode being changed control signal by U9 changes the energy passing to motor, changes the rotating speed of motor; And then change pressure extent.
In a word, external ac power source through the inversion of power inverter unit be high voltage direct current, as the working power of dust catcher; Microcontroller detects the position signalling of permagnetic synchronous motor or brshless DC motor rotor after receiving control instruction, the position signalling different according to rotor controls power inverting unit with certain logic conducting; The conducting of power inverting unit makes brshless DC motor or permagnetic synchronous motor rotate; The rotation of motor drives the work of fan blade group, makes fan housing both sides produce pressure differential; Because the effect of pressure differential, the end of a thread, waste material and Other Waste enter in refuse collection bucket through suction pipe.Regulated the rotating speed of motor by button, microcontroller controls electric machine rotation accurately; And then stable control suction pipe two ends vacuum magnitude.
Claims (2)
1. an industrial dedusting device, comprise refuse collection bucket, bung, suction pipe and blower fan apparatus, blower fan apparatus comprises mechanical part and circuit part, blower fan apparatus is arranged on bung, it is characterized in that: the mechanical part of described blower fan apparatus comprises fan blade outer cover, motor, drive end bearing bracket, casing and rear end cap, motor drives fan blade assembly to rotate, fan blade outer cover is fixed on drive end bearing bracket and forms fan blade chamber, rear end cap is fixed on drive end bearing bracket through casing and forms motor cavity, motor is arranged in motor cavity, fan blade assembly is arranged in fan blade chamber, motor is DC synchronous motor or brshless DC motor, circuit part is electrically connected with motor,
The circuit part of described blower fan apparatus comprises CPU and digital control circuit, power inverting unit, reduction voltage circuit and energy storage and filter unit, power inverter unit is provided with in energy storage and between filter unit and input electrical network, power inverter unit is for generation of high-voltage DC power supply and be stored on the storage capacitor in energy storage and filter unit as motor, the work energy of CPU and digital control circuit, energy storage and filter unit are connected with reduction voltage circuit, reduction voltage circuit is connected with CPU and digital control circuit, high-voltage DC power supply one tunnel is reduced to different low-voltage dc power supplies through reduction voltage circuit and powers to CPU and digital control circuit, there is provided power supply to after another road step-down power inverting unit, power inverting unit is connected with motor by motor three-phase power line, power inverting unit is used for providing electric energy for motor, the position of the data signal determination rotor that CPU and digital control circuit are come by motor position sensor through the first sample circuit, then power inverter unit triggers order is determined, CPU and digital control circuit also obtain the current signal of motor through the second sample circuit, determine the performance parameter of motor, CPU and digital control circuit are also connected with power inverting unit, control the triggered time of power inverting unit, the control signal of external control instruction transmission is received through the first sample circuit, according to the working method of this signal deciding motor.
2. industrial dedusting device according to claim 1, it is characterized in that: described motor comprises brush DC stator winding, permanent magnet, brushless DC motor, bearing, brushless DC motor to stretch in fan blade chamber through motor cavity and is arranged on drive end bearing bracket and rear end cap by bearing, brush DC stator winding is fixed in casing, brushless DC motor is also through permanent magnet, fan blade assembly comprises determines fan blade, fan blade is moved in dynamic fan blade and supercharging, dynamic fan blade, determine fan blade and supercharging to move fan blade and be coaxially arranged on brushless DC motor from the free end of brushless DC motor successively, dynamic fan blade, supercharging is moved fan blade and is fixedly connected with brushless DC motor through locknut, determine fan blade and fan blade outer cover fixedly connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910216966.8A CN102114483B (en) | 2009-12-31 | 2009-12-31 | Industrial dedusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910216966.8A CN102114483B (en) | 2009-12-31 | 2009-12-31 | Industrial dedusting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102114483A CN102114483A (en) | 2011-07-06 |
| CN102114483B true CN102114483B (en) | 2015-04-15 |
Family
ID=44213469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910216966.8A Expired - Fee Related CN102114483B (en) | 2009-12-31 | 2009-12-31 | Industrial dedusting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN102114483B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947472B (en) * | 2017-12-19 | 2023-06-06 | 杭州江南电机股份有限公司 | Energy-saving environment-friendly brushless direct current motor and application method thereof |
| CN110701076A (en) * | 2019-08-22 | 2020-01-17 | 劲旅环境科技有限公司 | Electric control driving device for fan of electric road sweeper |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5394041A (en) * | 1989-07-14 | 1995-02-28 | Wap Reinigungssysteme Gmbh & Co. | Electronically commutated motor for dust exhausters, vacuum cleaners and similar devices |
| CN2760295Y (en) * | 2004-11-12 | 2006-02-22 | 东辉塑胶（上海）有限公司 | High-pressure electric air pump |
| CN201118328Y (en) * | 2007-09-28 | 2008-09-17 | 王建文 | Internal stator DC brushless electromotor |
| CN201215108Y (en) * | 2008-06-23 | 2009-04-01 | 金莱克电气股份有限公司 | Blower fan for suction cleaner motor |
| CN201355796Y (en) * | 2009-01-23 | 2009-12-02 | 东明机电（深圳）有限公司 | Brushless DC motor used for suction cleaners |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61237896A (en) * | 1985-04-11 | 1986-10-23 | Matsushita Electric Ind Co Ltd | Motor-driven blower |
| JP4110825B2 (en) * | 2002-05-08 | 2008-07-02 | 松下電器産業株式会社 | Electric blower and electric vacuum cleaner using the same |
-
2009
- 2009-12-31 CN CN200910216966.8A patent/CN102114483B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5394041A (en) * | 1989-07-14 | 1995-02-28 | Wap Reinigungssysteme Gmbh & Co. | Electronically commutated motor for dust exhausters, vacuum cleaners and similar devices |
| CN2760295Y (en) * | 2004-11-12 | 2006-02-22 | 东辉塑胶（上海）有限公司 | High-pressure electric air pump |
| CN201118328Y (en) * | 2007-09-28 | 2008-09-17 | 王建文 | Internal stator DC brushless electromotor |
| CN201215108Y (en) * | 2008-06-23 | 2009-04-01 | 金莱克电气股份有限公司 | Blower fan for suction cleaner motor |
| CN201355796Y (en) * | 2009-01-23 | 2009-12-02 | 东明机电（深圳）有限公司 | Brushless DC motor used for suction cleaners |
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| CN102114483A (en) | 2011-07-06 |
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Effective date of registration: 20160511 Address after: 510000, room 123, 202 Baisha waterway, Guangzhou, Guangdong, Tianhe District Patentee after: Guangzhou KUKA Industrial Co. Ltd. Address before: 317600 Zhejiang Province, Yuhuan County Yuxi Ju Chen Zhugang Patentee before: Zeng Shixiong |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20181231 |