CN106762759A - It is a kind of to integrate the explosion-proof intelligent speed-regulating booster eliminated the noise - Google Patents
It is a kind of to integrate the explosion-proof intelligent speed-regulating booster eliminated the noise Download PDFInfo
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- CN106762759A CN106762759A CN201710154973.4A CN201710154973A CN106762759A CN 106762759 A CN106762759 A CN 106762759A CN 201710154973 A CN201710154973 A CN 201710154973A CN 106762759 A CN106762759 A CN 106762759A
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- 238000009423 ventilation Methods 0.000 claims abstract description 33
- 238000010276 construction Methods 0.000 claims abstract description 4
- 230000009467 reduction Effects 0.000 claims description 13
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- -1 Tissuemat E Substances 0.000 claims description 5
- 239000004065 semiconductor Substances 0.000 claims description 5
- 230000002457 bidirectional effect Effects 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 239000003963 antioxidant agent Substances 0.000 claims description 3
- 230000003078 antioxidant effect Effects 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 239000007822 coupling agent Substances 0.000 claims description 3
- 238000004880 explosion Methods 0.000 claims description 2
- 229920001912 maleic anhydride grafted polyethylene Polymers 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 241001075561 Fioria Species 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/006—Ventilation at the working face of galleries or tunnels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
- F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
- F04D29/327—Rotors specially for elastic fluids for axial flow pumps for axial flow fans with non identical blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/384—Blades characterised by form
- F04D29/386—Skewed blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/542—Bladed diffusers
- F04D29/544—Blade shapes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
- F04D29/664—Sound attenuation by means of sound absorbing material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Present invention offer is a kind of to integrate the explosion-proof intelligent speed-regulating booster eliminated the noise, blower housing including tubular construction, one end of blower housing is provided with flow diverter, current collector is provided with the inside of flow diverter, the other end of blower housing is provided with ventilation blower linear temperature speed adjuster, one-level fire-proof motor and two grades of fire-proof motors are additionally provided with blower housing, one-level fire-proof motor and two grades of axial directions of fire-proof motor are parallel with the length direction of blower housing, one-level fire-proof motor and two grades of rotating shafts of fire-proof motor are provided with impeller just to setting in the rotating shaft of the two.To solve the defect existing for existing booster.The invention belongs to ventilation equipment technical field.
Description
Technical field
The present invention is a kind of ventilation unit, specifically integrates intelligent speed-regulating booster that is explosion-proof, eliminating the noise.
Background technology
First, current coal, the ventilation operation of stone drifting work are mainly by forced booster to realize ventilation
, its Main Function is exactly the toxic and harmful for diluting and excluding in headwork space fresh with supply headwork space
Air-flow.Conventional ventilation blower haves the shortcomings that blast is relatively low, and conventional ventilation blower is generally one-level ventilation blower, is divulged information when long range is needed
When, it is necessary to movable ventilation machine could increase the distinguished and admirable distance of conveying.And, more using cast steel impeller, its weight is big, fan efficiency
It is low.A kind of high efficiency ventilation blower of suitable long range is needed now.
Secondly, domestic ventilation blower is substantially to be used in relatively closed space, and its noise is unable to Net long wave radiation and goes out, instead
Penetrate noise big, cause workman to bear larger noise pollution.And problem above is directed to, typically all using in blower fan outer tube structure
Outside is socketed tubular silencer using flange arrangement, and such reduction noise method, because its volume increases, makes axial flow blower
Scope of application environment reduces, and installation difficulty is improved, and is less useful for regular maintenance and maintenance.
Finally, booster control method can cause booster in the critical point of temperature, and low speed high is cut back and forth
Change, have a strong impact on the service life of booster.
The content of the invention
It is an object of the invention to：Offer is a kind of to integrate the explosion-proof intelligent speed-regulating booster eliminated the noise, to solve
Defect existing for existing booster.
To solve the above problems, plan integrates the explosion-proof intelligent speed-regulating booster eliminated the noise using such a, wraps
The blower housing of tubular construction is included, one end of blower housing is provided with flow diverter, current collector, blower fan are provided with the inside of flow diverter
The other end of shell is provided with ventilation blower linear temperature speed adjuster, one-level fire-proof motor is additionally provided with blower housing and two grades anti-
Quick-fried motor, one-level fire-proof motor and two grades of axial directions of fire-proof motor are parallel with the length direction of blower housing, one-level anti-explosion electric
Machine and two grades of rotating shafts of fire-proof motor are provided with impeller just to setting in the rotating shaft of the two.
In foregoing ventilation blower, motor fixing shaft is also included, one-level fire-proof motor and two grades of fire-proof motors are respectively by electricity
Machine fixing axle is fixed in blower housing；
In foregoing ventilation blower, one-level fire-proof motor and two grades of fire-proof motors are coaxially disposed with blower housing, and the two work(
Rate is identical；
In foregoing ventilation blower, the outside of one-level fire-proof motor and two grades of fire-proof motors is respectively arranged at and is sealingly fastened in wind
Radial clearance between casing on the inside of machine shell, and blade and corresponding casing on impeller for impeller diameter 1.6 ‰~
3.7‰；
In foregoing ventilation blower, the number of blade of impeller is 12 in one-level fire-proof motor rotating shaft, in two grades of fire-proof motor rotating shafts
The number of blade of impeller is 11, and blade on impeller is the plastic blade of integral cast；
In foregoing ventilation blower, the blade on the impeller is grafted by PE resins, EVA resin, ethylene-propylene diene copolymer, maleic anhydride
Polyethylene, conductive black, antistatic additive, Tissuemat E, antioxidant and titanate coupling agent are made；
In foregoing ventilation blower, inlet air filter screen is additionally provided between flow diverter and current collector；
In foregoing ventilation blower, noise reduction thing is also filled with the cavity of flow diverter and current collector, at the inwall of blower housing
It is equipped with noise reduction thing；
In foregoing ventilation blower, the circuit structure of ventilation blower linear temperature speed adjuster includes adjustable flow distributing resistance, negative temperature
Coefficient resistance and control element, control element is semiconductor bidirectional triode thyristor, one-level fire-proof motor, two grades of fire-proof motors,
Control element, negative tempperature coefficient thermistor and adjustable flow distributing resistance are sequentially connected in series then two ends connection feeder ear, and two grades are prevented
Quick-fried motor is also parallel with controlling switch, can adjust the present apparatus according to different supply voltage and expected limiting temperature condition
Limit condition of operation, blower fan rotating speed under limiting temperature is reached maximum, the final control element is mainly acted on linearly
Workspace, so as to reach the purpose of Linear Control booster rotating speed.
Compared with prior art, the invention has the advantages that：
1., using two grades of designs to rotation ventilation blower, the pressure of ventilation blower can be increased, increasing the energy of air-flow, so as to obtain
The blast higher than one-level booster, the distinguished and admirable distance of conveying can be increased so as not to movable ventilation machine, grown in realization away from
From ventilation, and reduce the labour intensity of workman, saved ventilation time.Two grade blades are employed to revolving structure, each other
Reversely, to rotation, blade is wing twist type to constant speed, reduces blower interior resistance, improves the efficiency of blower fan.Using without fixed pattern
Guide vane, blade is manufactured with the modified poly ethylene pellet of composite strengthening high intensity, with it is antistatic, wear-resisting, fire-retardant the characteristics of, tool
Standby security is good, lighter in weight, aeroperformance is good, noise is low, efficiency high the advantages of；
2. reasonable in design reliability, is filled with noise reduction thing in the cavity that current collector and air inlet are surrounded, and effectively reduces
Noise, and noise reduction thing is filled outside draught fan impeller section casing, soundproof effect is further increased, with simple structure, cost
Advantage that is cheap and being easy to remove and repair.
3. the linear revolution speed control device being made up of simulation electronic component, not only circuit is simple, with low cost, and has
Linear Control characteristic, makes the booster wind speed can be with temperature conditionss linear change.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the circuit diagram of linear temperature controller of the present invention.
Specific embodiment
To make the present invention relatively sharp clearly, below in conjunction with accompanying drawing, the present invention will be further described.
Embodiment：
The present embodiment provide it is a kind of integrate the explosion-proof intelligent speed-regulating booster eliminated the noise, including tubular construction wind
Machine shell 1, one end of blower housing 1 is provided with flow diverter 2, and the inner side of flow diverter 2 is provided with current collector 3, flow diverter 2 and afflux
It is additionally provided with inlet air filter screen 10 between device 3, noise reduction thing 11, blower housing is also filled with the cavity of flow diverter 2 and current collector 3
Also noise reduction thing 11 is equipped with 1 inwall, the other end of blower housing 1 is provided with ventilation blower linear temperature speed adjuster 4, outside blower fan
One-level fire-proof motor 5 and two grades of fire-proof motors 6, the He of one-level fire-proof motor 5 are also fixedly installed by motor fixing shaft 8 in shell 1
Two grades of fire-proof motors 6 are coaxial with blower housing 1, and the two power is identical, one-level fire-proof motor 5 and two grades of fire-proof motors 6
Rotating shaft is provided with impeller 7 just to setting in the rotating shaft of the two, the outside of one-level fire-proof motor 5 and two grades of fire-proof motors 6 is equal
It is respectively arranged at the casing 9 for being sealingly fastened in the inner side of blower housing 1, and the footpath between blade and corresponding casing 9 on impeller 7
It is 1.6 ‰~the 3.7 ‰ of the diameter of impeller 7 to gap, the number of blade of impeller 7 is 12 in the rotating shaft of one-level fire-proof motor 5, two grades are prevented
The number of blade of impeller 7 is the plastic blade of integral cast, the plastics for the blade on 11, and impeller 7 in the rotating shaft of quick-fried motor 6
Blade is by PE resins, EVA resin, ethylene-propylene diene copolymer, maleic anhydride grafted polyethylene, conductive black, antistatic additive, polyethylene
Wax, antioxidant and titanate coupling agent are made.
The circuit structure of ventilation blower linear temperature speed adjuster 4 includes adjustable flow distributing resistance 12, negative temperature coefficient thermistor power
Resistance 13 and control element 14, control element 14 are semiconductor bidirectional triode thyristor, 5, two grades of fire-proof motors 6 of one-level fire-proof motor, control
Element processed 14, negative tempperature coefficient thermistor 13 and adjustable flow distributing resistance 12 are sequentially connected in series then two ends connection feeder ear, two
Level fire-proof motor 6 is also parallel with controlling switch.Using semiconductor bidirectional triode thyristor as control element 14, and make the final control
Element 14 mainly acts on linear work area, so as to reach the purpose of Linear Control booster rotating speed；Use negative temperature system
Number temperature-sensitive element 13, makes control element 14 in linear work area；Using adjustable flow distributing resistance 12, according to different supply voltages
With expected limiting temperature condition, the limit condition of operation of the present apparatus is adjusted, blower fan rotating speed under limiting temperature is reached maximum.
Its principle and the course of work：
When ventilation blower works, adjustable flow distributing resistance 12 is according to different voltage and expected ambient temperature limit condition
And the maximal work voltage of the present apparatus is adjusted, ventilation blower is issued to maximum (top) speed, negative temperature coefficient heat in limit condition of operation
Quick resistance 13 is monitored by the temperature change of control environment, and with the linear reduction semiconductor control unit by the reduction of control temperature
The operating current of part 14, is allowed to exit saturation state, into linear work area, so that under non-extreme environment, can be with quilt
Control the temperature of environment and linearly change the operating current of portable blower, realize carrying out the rotating speed of portable blower the purpose of Linear Control.
During work, one-level fire-proof motor 5 and two grades of fire-proof motors 6 drive draught fan impeller to rotate at a high speed after being powered, air-flow with
Blade collision rift produces intense noise, produces aerodynamic noise, eddy current crack, and noise is in the runner of ventilation blower to entrance point spoke
Penetrate, by being filled with noise reduction thing 11 in the cavity that current collector 3 and flow diverter 2 are surrounded, effectively reduce noise, and by blower fan leaf
Noise reduction thing 11 is filled to obtain at wheel section blower housing 1, soundproof effect is further increased, the noise for reflecting back is concentrated in collection
At stream device 3, enter through the sound attenuation hole on current collector 3 and decayed, radiate from inlet air filter screen 10 after decaying repeatedly
Noise greatly reduced energy, so as to reach improve working environment purpose.
Additionally, according to the air-conditioning requirement different with tunnel of driving face length, both can single-stage operation, also can two grades it is right
Rotation, so as to reduce energy consumption, energy saving is the ideal equipment of tunnelling middle and long distance local ventilation.
Claims (9)
- It is 1. a kind of to integrate the explosion-proof intelligent speed-regulating booster eliminated the noise, it is characterised in that：Blower fan including tubular construction Shell (1), one end of blower housing (1) is provided with flow diverter (2), and current collector (3), blower fan are provided with the inside of flow diverter (2) The other end of shell (1) is provided with ventilation blower linear temperature speed adjuster (4), blower housing (1) and is additionally provided with one-level anti-explosion electric Machine (5) and two grades of fire-proof motors (6), one-level fire-proof motor (5) and two grades of axial directions of fire-proof motor (6) and blower housing (1) Length direction is parallel, one-level fire-proof motor (5) and two grades of rotating shafts of fire-proof motor (6) just to setting, and in the rotating shaft of the two It is provided with impeller (7).
- It is 2. a kind of according to claim 1 to integrate the explosion-proof intelligent speed-regulating booster eliminated the noise, it is characterised in that：Also Motor fixing shaft (8) is included, one-level fire-proof motor (5) and two grades of fire-proof motors (6) are fixed by motor fixing shaft (8) respectively In blower housing (1).
- It is 3. a kind of according to claim 1 to integrate the explosion-proof intelligent speed-regulating booster eliminated the noise, it is characterised in that：One Level fire-proof motor (5) and two grades of fire-proof motors (6) are coaxially disposed with blower housing (1), and the two power is identical.
- It is 4. a kind of according to claim 1 to integrate the explosion-proof intelligent speed-regulating booster eliminated the noise, it is characterised in that：One The outside of level fire-proof motor (5) and two grades of fire-proof motors (6) is respectively arranged at the case being sealingly fastened on the inside of blower housing (1) The radial clearance between blade and corresponding casing (9) on body (9), and impeller (7) for impeller (7) diameter 1.6 ‰~ 3.7‰。
- It is 5. a kind of according to claim 1 to integrate the explosion-proof intelligent speed-regulating booster eliminated the noise, it is characterised in that：One The number of blade of impeller (7) is 12, the number of blade of impeller (7) in the rotating shaft of two grades of fire-proof motors (6) in level fire-proof motor (5) rotating shaft It is 11, and blade on impeller (7) is the plastic blade of integral cast.
- It is 6. a kind of according to claim 5 to integrate the explosion-proof intelligent speed-regulating booster eliminated the noise, it is characterised in that：Institute Blade on impeller (7) is stated by PE resins, EVA resin, ethylene-propylene diene copolymer, maleic anhydride grafted polyethylene, conductive black, anti-quiet Electric agent, Tissuemat E, antioxidant and titanate coupling agent are made.
- It is 7. a kind of according to claim 1 to integrate the explosion-proof intelligent speed-regulating booster eliminated the noise, it is characterised in that：Draw Inlet air filter screen (10) is additionally provided between stream device (2) and current collector (3).
- It is 8. a kind of according to claim 1 to integrate the explosion-proof intelligent speed-regulating booster eliminated the noise, it is characterised in that：Draw Noise reduction thing (11) is also filled with the cavity of stream device (2) and current collector (3), noise reduction is also equipped with the inwall of blower housing (1) Thing (11).
- It is 9. a kind of according to claim 1 to integrate the explosion-proof intelligent speed-regulating booster eliminated the noise, it is characterised in that：It is logical The circuit structure of blower fan linear temperature speed adjuster (4) includes adjustable flow distributing resistance (12), negative tempperature coefficient thermistor (13) With control element (14), control element (14) is semiconductor bidirectional triode thyristor, one-level fire-proof motor (5), two grades of fire-proof motors (6), control element (14), negative tempperature coefficient thermistor (13) and adjustable flow distributing resistance (12) are sequentially connected in series then two ends and connect Feeder ear is connect, two grades of fire-proof motors (6) are also parallel with controlling switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710154973.4A CN106762759A (en) | 2017-03-16 | 2017-03-16 | It is a kind of to integrate the explosion-proof intelligent speed-regulating booster eliminated the noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710154973.4A CN106762759A (en) | 2017-03-16 | 2017-03-16 | It is a kind of to integrate the explosion-proof intelligent speed-regulating booster eliminated the noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106762759A true CN106762759A (en) | 2017-05-31 |
Family
ID=58966068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710154973.4A Pending CN106762759A (en) | 2017-03-16 | 2017-03-16 | It is a kind of to integrate the explosion-proof intelligent speed-regulating booster eliminated the noise |
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| CN (1) | CN106762759A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259731A (en) * | 2019-07-23 | 2019-09-20 | 山西省侯马市鑫丰康风机有限公司 | A method of reducing constructing tunnel propeller fan noise |
| CN110529168A (en) * | 2019-10-13 | 2019-12-03 | 山西巨龙风机有限公司 | It is a kind of can automatic temperature-control air feed constructing tunnel ventilation blower |
| CN111946642A (en) * | 2020-08-17 | 2020-11-17 | 江苏恒康机电有限公司 | Stainless steel fan of convenient dismantlement |
| CN112196820A (en) * | 2020-10-10 | 2021-01-08 | 中国矿业大学(北京) | Magnetic suspension local ventilator for mine |
| CN114198328A (en) * | 2021-12-15 | 2022-03-18 | 淄博金河风机有限公司 | Axial flow fan and control method thereof |
-
2017
- 2017-03-16 CN CN201710154973.4A patent/CN106762759A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259731A (en) * | 2019-07-23 | 2019-09-20 | 山西省侯马市鑫丰康风机有限公司 | A method of reducing constructing tunnel propeller fan noise |
| CN110529168A (en) * | 2019-10-13 | 2019-12-03 | 山西巨龙风机有限公司 | It is a kind of can automatic temperature-control air feed constructing tunnel ventilation blower |
| CN111946642A (en) * | 2020-08-17 | 2020-11-17 | 江苏恒康机电有限公司 | Stainless steel fan of convenient dismantlement |
| CN111946642B (en) * | 2020-08-17 | 2021-06-29 | 江苏恒康机电有限公司 | Stainless steel fan of convenient dismantlement |
| CN112196820A (en) * | 2020-10-10 | 2021-01-08 | 中国矿业大学(北京) | Magnetic suspension local ventilator for mine |
| CN114198328A (en) * | 2021-12-15 | 2022-03-18 | 淄博金河风机有限公司 | Axial flow fan and control method thereof |
| CN114198328B (en) * | 2021-12-15 | 2024-03-08 | 淄博金河风机有限公司 | Axial flow fan and control method thereof |
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