CN2489122Y - Automatic axial flow ventilator - Google Patents
Automatic axial flow ventilator Download PDFInfo
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- CN2489122Y CN2489122Y CN 00209879 CN00209879U CN2489122Y CN 2489122 Y CN2489122 Y CN 2489122Y CN 00209879 CN00209879 CN 00209879 CN 00209879 U CN00209879 U CN 00209879U CN 2489122 Y CN2489122 Y CN 2489122Y
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- circuit
- axial flow
- rotary transformer
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- synchronous
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Abstract
The utility model relates to an automatic axial flow ventilator, which can automatically adjust moveable blade angle on impeller. Inside of the fan impeller is provided with a rotary transformer without contacting power supply system. The transmission mechanisms like the servo motor, the chain and the chain wheel in the integrated control system of the light, the machine and the electricity realize synchronous adjusting without stage for the moveable blade angle through the infrared ray remote control, synchronously hold following monitoring for the moveable blade angle through the infrared ray remote checking mechanism. The utility model changes that: the traditional fan can not be adjusted and checked. The disadvantages of the moveable blade angle can improve the aero-performance of the fan through adjusting the moveable blade angle. The utility model is an integrated axial flow ventilator for the light, machine and electricity which has high efficiency, energy saving and safety.
Description
The utility model relates to a kind ofly can be at propeller fan adjusts monitoring to the wind motor leaf angle during static or running, and the optical, mechanical and electronic integration that can change the propeller fan aeroperformance is controlled propeller fan automatically.
At present, in the technology of existing at home large-scale main blower manufacturer, Shanghai Blast Fan Factory, three kinds of the regulating method of wind motor leaf established angle: the one, the mechanical type machine is concentrated the synchronous adjustable device; The 2nd, hydraulic pressure movable vane adjusting device; The 3rd, be mainly used in the single movable vane controlling device of mechanical type that transform in old ore deposit.And preceding two kinds be step-less adjustment.For another example: Wuhan Air-Blower Factory introduces the large-sized station boiler fan design and the manufacturing technology of MITSUBISHI.Design adjustable axial-flow formula ventilator, the movable vane angle can be regulated in 10 ° to 40 °.And for example: Shenyang Blower Factory is introduced the technology of Denmark company, produces adjustable power station propeller fan, can change the leaf setting angle in the running.
According to the state of the art of above blower producer, the movable vane on the logical machine impeller of existing axial flow can be divided into the non-adjustable two kinds of forms that can be in harmonious proportion.And adjustable be divided into mechanical type shut down to concentrate synchronous adjustable and do not shut down hydraulic type adjustable, the hydraulic pressure adjusting device, owing to the requirement on machining accuracy height, sealing problem should not solve.And because hydraulic oil supply system and the long-term synchronous operation of propeller fan, its result has increased energy consumption and mechanical wear.And, because of the display device that does not have the movable vane angular adjustment to change.So, be difficult to the adjustment angle of accurate Control Shaft circulation wind motor leaf.Prior art in sum is to the adjustment of movable vane, and there is deficiency in detection method.
The purpose of the utility model automatic axial flow fan, be to overcome in the prior art, the deficiency of existence is adjusted and shown to the wind motor leaf angle, provide a kind of and can be arbitrarily control propeller fan automatically in normal operation of blower fan or the optical, mechanical and electronic integration of the wind motor leaf angle being adjusted detection when static.
Power supply system in the technological scheme that the utility model automatic axial flow fan adopts, slow down commutation transmission system, infrared rays remote control system, infrared rays shakes the survey digital readout system.
Be installed on main motor (28) front cover by pulse rotary transformer elementary (16) in the utility model automatic axial flow fan power supply system, pulse rotary transformer secondary (15) is installed on the impeller (1), and rotates with impeller (1).Leave 0.2 to 1.5mm magnetic gap between pulse rotary transformer elementary (16) and the pulse rotary transformer secondary (15).The output terminal of the input end of pulse rotary transformer elementary (16) and pulse power supply generator (26) links.The output terminal of pulse power supply transformer secondary output (15) links with the input end that is installed in the rectifier smoothing circuit (17) in the impeller.When pulse power supply generator (26) under computer or artificial operation, by interface (32), after connecting ac power supply (30), no matter impeller is static or high speed rotating, rectifier smoothing circuit (17) can both be exported a constant DC and press each consumer of supplying with in the impeller (1).In the optimum implementation of this pulse rotary transformer and pulse power supply generator, best magnetic gap is between 0.2 to 1.5mm between pulse rotary transformer elementary (16), secondary (15), pulse power supply generator (26) and pulse rotary transformer elementary (16), secondary (15) frequency optimum traffic are 1KHz to 500KHz, primary (16), secondary (15) are revolved in pulse power supply generator (26) and pulse, and the best effort waveform is a square wave.Rotary transformer elementary (16) secondary (15) has really been accomplished contactlessly powered when work.
The utility model automatic axial flow fan, the commutation driving mechanism that slows down is installed in impeller, in the commutation driving mechanism that slows down, is formed by actuating motor (2), drivign belt (3), decelerator worm (4), retarder worm gear (5), drive sprocket or synchronous pulley (6), chain or synchronous band (7), driven sprocket or synchronous pulley (8), worm screw (9), worm gear (10), garden taper roller bearing (11), petiole (12), movable vane (13).When drive circuit (19), driving actuating motor (2) rotation, realize that by above-mentioned driving mechanism h movable vane (13) is in upward stepless synchronous rotation of impeller (1), owing to adopted the structure of worm gear, worm screw, select suitable worm screw coefficient for use, worm gear, worm screw promptly have the function of self-locking.Can not occur after adjust finishing movable vane (13) angle living drift phenomenon.In the optimum implementation of this deceleration commutation driving mechanism, 0.2 ° of the optium angle speed when movable vane (13) rotates/s to 0.5 °/s, best adjustment range ± 180 °, maximum adjustable movable vanes are 32, Synchronous Transmission, optimum structure adopt chain or band synchronously.
In the utility model automatic axial flow fan remote-control gear, by being installed in the remote control coding emitting circuit (25) on the machine frame and being installed in the infrared rays remote control system that remote control in the impeller receives demoding circuit (18), drive circuit (19), forms.Remote control receives demoding circuit (18), drive circuit (19), actuating motor (2), provides electric energy by rectifier smoothing circuit (17).When remote control coding emitting circuit (25) by computer or manual operation the encoded infrared signal of time emission, shaking control receives demoding circuit (18), the code signal that receives is decoded, amplified, signal triggering drive circuit (19) after the amplification, control actuating motor (2) rotation, through above-mentioned synchronous stageless transmission mechanism, realize h movable vane (13), the synchronous stepless rotation on impeller (1).The optiumum control port number is four passages in the telechirics.
In the utility model automatic axial flow fan remote measurement numeral indication mechanism by be installed in angular displacement sensor (20), coding circuit (21), the emitting circuit (22) in the impeller and be installed in receiving circuit (23) on the machine frame, decoding digital display circuit (24), the numeral demonstration of movable vane (13) position formed shakes examining system, coding circuit (21), emitting circuit (22) provide electric energy by rectifier smoothing circuit (17).Movable vane (13) position through angular displacement sensor (20) the position touch like quantitative change be that electrical signal is sent into coding circuit (21), the electrical signal that coding circuit (21) diagonal displacement sensor (20) transmits carries out data processing, amplifies again through emitting circuit (22) emission infrared signal.The receiving circuit (23), the decoding digital display circuit (24) that are installed on the propeller fan housing amplify the shaping data processing to the infrared signal that receives, and are presented on the digital display.Simultaneously by in interface (34) the input computer, propeller fan aeroperformance and efficient are carried out comprehensive assessment, change the position of movable vane (13) on impeller (1) by the above-mentioned control hue angle mechanism of shaking again, make propeller fan be in the optimum state, the optimum scheme of originally shaking survey mechanism is that the angles of display value of display device is ± 180 °.
After the utility model propeller fan has adopted above technological scheme, can effectively improve the aeroperformance of ventilator, make ventilator keep energy-efficient working state at any time, can carry out intellectuality, telecontrol by computer.
Below in conjunction with drawings and Examples, the utility model automatic axial flow fan is further specified:
Fig. 1, the utility model machine construction principle is implemented figure
Fig. 2 is the A-A sectional view of figure one
Fig. 3, the automatically controlled structural principle of the utility model is implemented figure
Among the figure:
1 impeller, 2 actuating motors, 3 drivign belts, 4 decelerator worms, 5 retarder worm gears, 6 drive sprockets or synchronous pulley, 7 chains or synchronous band, 8 driven sprockets or synchronous pulley, 9 worm screws, 10 worm gears, 11 bearings, 12 petioles, 13 movable vanes, 14 guide wheels, 15 pulse rotary transformers are secondary, 16 pulse rotary transformers are elementary, 17 rectifier smoothing circuits, 18 shake control receives demoding circuit, 19 drive circuits, 20 angular displacement sensors, 21 coding circuits, 22 emitting circuits, 23, receiving circuit, 24 decoded number show the road, 25 remote control coded emitting circuits, 26 pulse power supply generators, 27 main electric machine controllers, 28 main motors, 29 power supplys, 30 power supplys, 31 main motor controller controls interfaces, 32 pulse power supply generator control interfaces, 33 remote control coded emitting circuit control interfaces, 34 decoding digital display circuit output interfaces.
In Fig. 1
Impeller (1) is installed on the main motor (28), the rear side of impeller (1) is equipped with pulse rotary transformer secondary (15), pulse rotary transformer elementary (16) is installed on main motor (28) front cover, pulse rotary transformer elementary (16) has lead to link to each other with pulse power supply generator (26) output terminal, pulse rotary transformer secondary (15) has lead to link to each other with level and smooth rectification circuit (17), power supply after the level and smooth rectification, supply with the actuating motor (2) in the impeller, shake control and receive demoding circuit (18), drive circuit (19), coding circuit (21), emitting circuit (22), when needs carry out angular adjustment to movable vane (13), connect power supply (30) adjustment finishing back deenergization (30) by pulse power supply generator control interface (32), to making all system be in state of dormancy, consumes energy not, prolong all system working life, and can be in the environment of inflammable gas proper functioning.
In impeller, be symmetrically installed with actuating motor (2), there is drivign belt (3) to link between worm gear in the deceleration changement (5), worm screw (4), actuating motor (2) and the worm screw (4), drive sprocket or synchronous pulley (6) are installed on the output shaft of worm gear (5).
On the circumference of (1) on the impeller, there be n the petiole (12) of movable vane (13) is housed, rolled bearing (11) by circular cone and be installed on the circumference of impeller (1).Worm gear (10) is installed on each petiole (12), and each worm gear (10) and worm screw (9) engage, and driven sprocket or synchronous pulley (8) also are installed on each worm screw simultaneously.
With chain or band (7) looping connection synchronously, there is guide wheel (14) to regulate at chain or on being with synchronously between drive sprocket or synchronous pulley (6) and each driven sprocket or the synchronous pulley (8).
In impeller, have level and smooth rectification circuit (17) to actuating motor (2), shake control and receive demoding circuit (18), drive circuit (19), coding circuit (21), emitting circuit (22) power supply is provided.Shaking control receives demoding circuit (18), drive circuit (19), coding circuit (21), emitting circuit (22) power supply is provided.Shaking control receives demoding circuit (18) and receives after the remote control coded that is loaded on the casing finds the optical signal of circuit (25), through decoding, controlling and driving circuit (19), driving actuating motor (2) rotation, realize that by above transmission, changement movable vane (13) is with respect to the rotation between the impeller (1) again.
In impeller (1), on the some petioles in n petiole (12), angular displacement sensor (20), coding circuit (21), emitting circuit (22) are housed.Angular displacement sensor (20) becomes electrical signal to the simulation volume of petiole (12) position, send into coding circuit (21), electrical signal behind the coding sends to the receiving circuit (23) that places on the casing by emitting circuit (22) with the form of infrared light, show through decoding digital display circuit (24) again and shake the survey result, and can be connected with computer by decoding digital display circuit interface (34).
Pulse power supply generator (26) among the figure, under computer or artificial operation, connect output and go into power supply (30), by pulse rotary transformer (15), (16) power delivery in rectifier smoothing circuit (17), the Pulse Electric that transports is carried out rectification, filtering, voltage stabilizing supplies with and shake control demoding circuit (18), drive circuit (19), coding circuit (21).When needs are adjusted the movable vane angle, by the respective keys in computer or the artificial operation remote control coded emitting circuit (25), remote control coded emitting circuit (25), launch coded infrared light pulse corresponding to keypress function, shake control and receive demoding circuit (18), pulse signals is decoded, is amplified.Signal triggering drive circuit (19) after the amplification, actuating motor (2) under the driving of drive circuit (19), are done postive direction or opposite spin by functional requirement.
Actuating motor (2) rotation is by drivign belt (3), decelerator worm (4), retarder worm gear (5), drive sprocket or synchronous pulley (6), chain or synchronous band (7), driven sprocket or synchronous pulley (8), worm screw (9), worm gear (10), bearing (11), petiole (12).Making actuating motor (2) produce steady, stepless, the synchronous conduction of rotating force anomaly gives each movable vane (13), realizes the synchronous stepless adjustment of movable vane (13) on impeller (1).Meanwhile, petiole (12) drives angular displacement sensor (20) rotation synchronously, and angular displacement sensor (20) detects the electrical signal of variation., launch the electrical signal that amplifies through data processing by coding circuit (21), emitting circuit and (22) with the form of infrared light.Receiving circuit (23), decoding digital display circuit (24) are presented at the infrared signal amplification, the shaping data processing that receive on the digital display, and can be by decoding digital display circuit interface (34) and computer butt joint.
Rotary transformer in the utility model (15), (16) are by the differentiation of the rotary transformer in VTR, the video head and next.Difference is that this pulse rotary transformer is in pulse power supply, is used to transmit the critical component of electric energy, and the rotary transformer of VTR magnetic head is to transmit the parts that video signal is used.
The data such as principle of consulting relevant VTR more than are described.
Claims (8)
1, automatic axial flow fan relate to a kind of it by pulse power supply generator, primary and secondary, the rectifier smoothing circuit of pulse rotary transformer in the power supply system; Actuating motor, drivign belt, deceleration worm screw, deceleration worm gear, drive sprocket or synchronous pulley, chain or synchronous band, driven sprocket or synchronous pulley, worm screw, worm gear, bearing, petiole, movable vane in the Synchronous Transmission mechanical structure; Remote control coded emitting circuit in the remote control system, shake control and receive demoding circuit, drive circuit; Shake the angular displacement sensor in the examining system, coding circuit, emitting circuit, receiving circuit, decoded digital display circuit are formed, it is characterized in that: it is by on the elementary front cover that is installed in main motor of pulse rotary transformer, transformation is secondary is installed on the impeller for pulse rotation, with impeller rotation together, leave 0.2 to 1.5mm magnetic gap between the pulse rotary transformer is primary and secondary; N movable vane, stepless synchronous drive mechanism that it is made up of chain or synchronous band, sprocket wheel or synchronous pulley etc.; It by the remote control coded emitting circuit, shake control and receive the far red light that demoding circuit forms and shake control mechanism; The numeral that it is made up of angular displacement sensor, coding circuit, emitting circuit, receiving circuit, decoded digital display circuit is shaken the survey display device.
2, automatic axial flow fan according to claim 1, it is characterized in that describedly forming by being installed in pulse rotary transformer on the main motor front cover secondary institute of pulse rotary transformer elementary and that be installed on the impeller, it is characterized in that described pulse rotary transformer is secondary in company with impeller rotation together, leaving 02. to 1.5mm between the pulse rotary transformer is primary and secondary has magnetic gap.
3, automatic axial flow fan according to claim 1 is characterized in that it is between the 1KHz to 500KHz that described pulse power supply generator, pulse rotary transformer are suitable for frequency.
4, automatic axial flow fan according to claim 1 is characterized in that described pulse power supply generator, pulse rotary transformer work wave are square waves.
5, automatic axial flow fan according to claim 1, it is characterized in that described actuating motor, belt, deceleration worm screw, deceleration worm gear, drive sprocket and synchronous pulley, chain or the stepless synchronous drive mechanism formed of band, driven sprocket or synchronous pulley, worm screw, worm gear, petiole, movable vane synchronously, the movable vane rotational angular is 0.2 °/s to 1.5 °/s.
6, automatic axial flow fan according to claim 1, it is characterized in that described actuating motor, belt, deceleration worm screw, deceleration worm gear, drive sprocket or synchronous pulley, chain or the synchronous drive mechanism formed of band, driven sprocket or synchronous pulley, worm screw, worm gear, petiole, movable vane synchronously, movable vane adjustment range ± 180 °.
7, automatic axial flow fan according to claim 1 is characterized in that described remote control coded emitting circuit, shakes control reception demoding circuit, four passages is arranged.
8, automatic axial flow fan according to claim 1 is characterized in that described angular displacement sensor, coding circuit, emitting circuit, receiving circuit, decoding digital display circuit, the numeral of being formed shake to survey and shows device; Maximum show value ± 180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00209879 CN2489122Y (en) | 2000-04-26 | 2000-04-26 | Automatic axial flow ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00209879 CN2489122Y (en) | 2000-04-26 | 2000-04-26 | Automatic axial flow ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2489122Y true CN2489122Y (en) | 2002-05-01 |
Family
ID=33576884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00209879 Expired - Fee Related CN2489122Y (en) | 2000-04-26 | 2000-04-26 | Automatic axial flow ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2489122Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831004A (en) * | 2017-11-30 | 2018-03-23 | 常州市晨源铸造有限公司 | Punch press accurately sends testing stand with robotics people slide position |
-
2000
- 2000-04-26 CN CN 00209879 patent/CN2489122Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831004A (en) * | 2017-11-30 | 2018-03-23 | 常州市晨源铸造有限公司 | Punch press accurately sends testing stand with robotics people slide position |
| CN107831004B (en) * | 2017-11-30 | 2024-03-05 | 常州市臻程智能设备有限公司 | Accurate transmission test bed of manipulator robot slide block position for punch press |
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| Date | Code | Title | Description |
|---|---|---|---|
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Yanjing New Technology Inst., Sanhe Document name: Correction notice |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |