CN1269470A - Automatic axial flow fan - Google Patents
Automatic axial flow fan Download PDFInfo
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- CN1269470A CN1269470A CN 00106118 CN00106118A CN1269470A CN 1269470 A CN1269470 A CN 1269470A CN 00106118 CN00106118 CN 00106118 CN 00106118 A CN00106118 A CN 00106118A CN 1269470 A CN1269470 A CN 1269470A
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Abstract
The present invention relates to an automatic axial-flow fanning machine, including pulse rotating transformer to provide electric energy for blade wheel regulating mechanism formed of infrared remote controller, servomotor, belt, worm gear, worm, chain and blade arm to make stepless synchronous regulation for moving blade, angle displacement sensor, code transmitter, receiving decoder and digital type moving blade remote measurement display. It is characterized by that the secondary of the pulse rotating transformer is rotary, its chain transmission can make all moving blades obtain stepless synchronous regulation. The infrared coding technology, remote controller and infrared transmission and its digital remote measuring display can make remote control and remote measurement, so that it can provide a high-efficiency energy-saving automatic aixla-flow fanning machine.
Description
One, automatic axial flow fan of the present invention relates to a kind ofly by the pulse power supply generator, and pulse rotary transformer, stepless Synchronous Transmission mechanical structure, infrared rays shake control circuit, shake and survey the automatic axial flow fan that digital display is formed.
Two, present, in the technology of existing at home large-scale main blower manufacturer, the regulating method of Shanghai Blast Fan Factory, wind motor leaf established angle has three kinds: the one, and mechanical type is shut down and 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 or centrifugal fan, 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 movable vane 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 can be in harmonious proportion non-adjustable two kinds of patterns.And the adjustable mechanical type that is divided into shut down to concentrate synchronous adjustable and hydraulic type adjustable, the hydraulic type adjusting device, because the requirement on machining accuracy height, sealing problem should not solve.And because the synchronous operation of hydraulic oil supply system and 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.
Three, the purpose of automatic axial flow fan of the present invention be to overcome in the above-mentioned prior art not enough, provide a kind of can be normally in service at blower fan arbitrarily, the movable vane angle on the draught fan impeller is adjusted the light, mechanical, electrical integrated automatic axial flow fan of detection.
Four, be installed on main motor (28) front cover by pulse rotary transformer elementary (16) in the automatic axial flow ventilation power supply system of the present invention, 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 input end of the output terminal of pulse power supply transformer secondary output (15) and rectifier smoothing circuit (17) links.When pulse power supply generator (26) under computer or artificial operation, connect ac power supply after, 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 optimum implementation of the present invention, 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) best effort is commented frequently is 1KHz to 500KHz, pulse power supply generator (26) and pulse rotary transformer elementary (16), secondary (15), and the best effort waveform is a square wave.
Automatic axial flow fan of the present invention is made up of 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) in the deceleration changement.When drive circuit (19), driving actuating motor (2) rotation, realize that by above-mentioned driving mechanism η movable vane (13) is in upward stepless synchronous rotation of impeller (1), adopted the structure of worm gear, worm screw by son, select suitable worm screw coefficient for use, worm gear, worm screw promptly have the function of self-locking.Adjust the angle generation drift phenomenon that can not occur movable vane (13) after finishing.In optimum implementation of the present invention, 0.2 ° of the optium angle speed when movable vane (13) rotates/s to 1.5 °/s, best adjustment range ± 180 °, maximum adjustable movable vanes are 32.
At automatic axial flow fan of the present invention, shake in the control mechanism by remote control coded emitting circuit (25), shake the infrared rays remote control system that control receives demoding circuit (18), drive circuit (19), forms.Shake control and receive demoding circuit (18), drive circuit (19), provide electric energy by rectifier smoothing circuit (17).When remote control coded 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 η movable vane (13), the synchronous stepless rotation on impeller (1).The optimal channel number is four passages in the remote control system.
Automatic axial flow fan of the present invention shakes the numeral demonstration of surveying in the digital indication mechanism by angular displacement sensor (20), coding circuit (21), emitting circuit (22), receiving circuit (23), decoding digital display circuit (24), movable vane (13) position formed and shakes examining system, and coding circuit (21) provides electric energy by rectifier smoothing circuit (17).Movable vane (13) position becomes electrical signal to the analog amount of position through angular displacement sensor (20) and sends into coding circuit (21), the electrical signal that coding circuit (21) diagonal displacement sensor (20) transmits carries out function to be handled, and 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.And import in the computer simultaneously, 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, optimum implementation of the present invention is that the angles of display value of display device is ± 180 °.
Five, the enforcement of automatic axial flow fan of the present invention is to realize like this, by pulse power supply generator (26), pulse rotary transformer (15), (16) synchronous stepless mechanical formula driving mechanism, infrared rays control mechanism, shake control and detect digital display device, thereby realized that propeller fan is normally in service, the position of movable vane (13) on impeller (1) rapidly, adjust accurately, pulse rotary transformer (15), (16) have been accomplished contactless, and the mode of no lead provides electric energy to the impeller (1) of high speed rotating.And can be in the environment of inflammable gas proper functioning.In the time of need carrying out angular adjustment to movable vane, only need the input power supply of make pulse power source generator (26), all system enters working state, adjusts the input power supply of the back break impulse power source generator that finishes, and all system enters dormant state.All system is consumed power not, does not have the machinery wearing and tearing, and the phenomenon that no electronic original part is aging prolongs system-wide working life.Owing to adopted and shaken control, shaken survey technology, realized the adjust system of high-speed rotating impeller (1) is carried out the control and the detection of contactless no lead.
Six,, automatic axial flow fan of the present invention is further specified below in conjunction with drawings and Examples.
Figure (one) automatic axial flow fan plan view
Figure (two) automatic axial flow fan side view
Figure (three) automatic axial flow fan side view
Among the figure: (one) (two) (three)
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 rotary transformers are secondary, 16 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 circuits, 24 decoding digital display circuit, 25 remote control coded emitting circuits, 26 pulse power supply generators, 27 main electric machine controllers, 28 main motors.
Pulse power supply generator (26) among the figure, under computer or artificial operation, connect the input power supply, 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 and receive 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), do postive direction or opposite spin by functional requirement.
Actuating motor (2) rotation is given each movable vane (13), is realized the synchronous stepless adjustment of movable vane (13) on impeller (1) by drivign belt (3), decelerator worm (4), retarder worm gear (5), drive sprocket or synchronous pulley (6), chain or band (7), driven sprocket or synchronous pulley (8), worm screw (9), worm gear (10), bearing (11), petiole (12), steady, stepless, the synchronous conduction of actuating motor (2) generation rotating force anomaly synchronously.Meanwhile, petiole (12) drives angular displacement sensor (20) rotation synchronously, and angular displacement sensor (20) detects the electrical signal of variation., launch handling the electrical signal that amplifies by coding circuit (21), emitting circuit (22) with the pattern of infrared light through function.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 import in the computer simultaneously.
Seven, the rotary transformer among the present invention (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 for transmitting 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 of the present invention 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, its feature 1, be 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; Its feature 2, be that it is by chain or synchronous n movable vane, the stepless synchronous drive mechanism formed such as band, sprocket wheel or synchronous pulley; Its feature 3, be it by the remote control coded emitting circuit, shake control and receive the far red light that demoding circuit forms and shake control mechanism; Its feature 4, be that the numeral that it is made up of angular displacement sensor, coding circuit, emitting circuit, receiving circuit, decoded digital display circuit shakes 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 0.2 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 |
|---|---|---|---|
| CN00106118A CN1095525C (en) | 2000-04-26 | 2000-04-26 | Automatic axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00106118A CN1095525C (en) | 2000-04-26 | 2000-04-26 | Automatic axial flow fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1269470A true CN1269470A (en) | 2000-10-11 |
| CN1095525C CN1095525C (en) | 2002-12-04 |
Family
ID=4578146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00106118A Expired - Fee Related CN1095525C (en) | 2000-04-26 | 2000-04-26 | Automatic axial flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1095525C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819164A (en) * | 2015-05-15 | 2015-08-05 | 中国航空工业集团公司沈阳发动机设计研究所 | Adjustable stator blade linkage adjusting device |
| CN107676284A (en) * | 2017-08-23 | 2018-02-09 | 太原理工大学 | A kind of fan blade adjusting means, counter-rotating fan and fan blade adjusting method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3318166A1 (en) * | 1983-05-19 | 1984-11-22 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg | Device for indicating an angle of rotation of rotor blades and/or guide vanes on hydrodynamic machines |
| JPH10141283A (en) * | 1996-11-06 | 1998-05-26 | Nec Niigata Ltd | Electric fan motor |
| CN2308750Y (en) * | 1997-02-21 | 1999-02-24 | 赖涤泉 | Axial ventilator |
-
2000
- 2000-04-26 CN CN00106118A patent/CN1095525C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819164A (en) * | 2015-05-15 | 2015-08-05 | 中国航空工业集团公司沈阳发动机设计研究所 | Adjustable stator blade linkage adjusting device |
| CN107676284A (en) * | 2017-08-23 | 2018-02-09 | 太原理工大学 | A kind of fan blade adjusting means, counter-rotating fan and fan blade adjusting method |
| CN107676284B (en) * | 2017-08-23 | 2020-04-14 | 太原理工大学 | Fan blade adjusting device, counter-rotating fan and fan blade adjusting method |
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| Publication number | Publication date |
|---|---|
| CN1095525C (en) | 2002-12-04 |
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