CN204921424U - Energy -conserving centrifugal fan of steerable wind pressure - Google Patents
Energy -conserving centrifugal fan of steerable wind pressure Download PDFInfo
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- CN204921424U CN204921424U CN201520664793.7U CN201520664793U CN204921424U CN 204921424 U CN204921424 U CN 204921424U CN 201520664793 U CN201520664793 U CN 201520664793U CN 204921424 U CN204921424 U CN 204921424U
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- 230000001095 motoneuron effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 abstract 1
- 238000004134 energy conservation Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
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Abstract
The utility model relates to an energy -conserving centrifugal fan of steerable wind pressure, including frame, hot blast blowpipe apparatus, air -out device and control system, hot blast blowpipe apparatus is including fixing spiral case on the frame, installing impeller and impeller driving motor in the spiral case to and the air intake pipeline that is connected with the spiral case, the air -out device includes the air outlet pipeline that is connected with the spiral case, the rotatable blade that keeps out the wind of fixed mounting in the air intake pipeline, control system is including installing piezoelectric sensor in the air outlet pipeline, installing keep out the wind blade driving motor and singlechip on the air intake pipeline, and the singlechip is connected with blade driving motor and the piezoelectric sensor electricity that keeps out the wind. The utility model discloses an automatic feedback formula control model, it is reliably convenient to control, adoption the keep out the wind accurate control fan wind pressure of blade and the amount of wind, obtain with the actual need assorted wind pressure and the amount of wind, solved present centrifugal fan ubiquitous " big horse dolly " phenomenon, reach energy -conserving effect.
Description
Technical field
The utility model belongs to centrifugal blower equipment technical field, particularly relates to a kind of energy-saving centrifugal fan controlling blast.
Background technique
Centrifugal blower fan system is widely used in factory, mine, tunnel, cooling tower, vehicle, the ventilation of boats and ships and building, dust discharge and cooling; The ventilation of boiler and industrial furnace and air inducing; Cooling in the apparatus of air conditioning and domestic electric appliance and ventilation; The oven dry of cereal and selecting and recommending; The inflation of wind-tunnel wind regime and Hovercraft and propelling etc.Centrifugal blower fan system is a kind of common energy consumption equipment, and air quantity during blower fan real work and blast have often exceeded required air quantity and blast, result in the waste of the excessive and energy of power of fan.
Make a general survey of the use situation of present fan industry for blower fan, and other enterprises purchasing blower fan application target, for reaching the on-the-spot demand to air quantity, usually there are following two kinds of regulative modes:
One is that exhaust outlet arranges barge board adjustment air quantity.Exhaust outlet arranges barge board, and air quantity obtains adjustment, but the air output of intake grill is constant, and cause exhaust outlet barge board to regulate waste air output greatly, the air quantity of suction is not fully used, and wastes energy.
Another adopts exactly and uses frequency modulation motor more widely now.Change motor speed by changing electric machine frequency, regulate motor speed to realize the adjustment of air quantity, a lot of enterprise uses this class blower fan, though frequency modulation motor can obtain require air quantity, but frequency modulation motor particularly high-power frequency motor, manufacture cost is higher.
Summary of the invention
Barge board waste resource is set in order to overcome exhaust outlet in above-mentioned prior art and adopts frequency modulation motor to regulate the problem that air quantity manufacture cost is high, the utility model provides a kind of energy-saving centrifugal fan controlling blast, regulate and use with actual the blast and air quantity that need to match, make the power reduction that motor consumes, improve the efficiency of blower fan, solve the problems such as existing centrifugal blower power consumption is large, overall efficiency is low, thus reach energy-efficient object.
The utility model relates to a kind of energy-saving centrifugal fan controlling blast, comprises support, air intake device, exhaust apparatus and control system; Air intake device comprises the spiral case be fixed on support, be arranged on impeller in spiral case and impeller drive motor, and the intake grill pipeline be connected with spiral case; Exhaust apparatus comprises the exhaust outlet pipeline be connected with spiral case; Intake grill pipeline internal fixtion installs the rotating blade that keeps out the wind; Control system comprises the piezoelectric transducer be arranged on exhaust outlet pipeline, keep out the wind blade driving motor and the single-chip microcomputer be arranged on intake grill pipeline, and single-chip microcomputer is electrically connected with keep out the wind blade driving motor and piezoelectric transducer.
Impeller-driven driven by motor vane rotary in the utility model, air constantly sucks from air intake pipe under vane rotary effect, through turbine centrifugal effect, flows to wind pipe, finally flows out from wind pipe, compared with prior art, piezoelectric transducer in exhaust outlet pipeline detects air port pipeline blast, and pressure signal is changed into electrical signal spread out of, single-chip microcomputer receives the signal from piezoelectric transducer, send signal and feed the blade driving motor that keeps out the wind in the pipeline of air port, drive is kept out the wind blade rotation, change the air inlet area of intake grill pipeline, thus change charge flow rate, charge flow rate change causes exhaust outlet pipeline blast to change, single-chip microcomputer compares the electrical signal received and programmed values, draw deviate, single-chip microcomputer sends instruction correction of deviation value, and and adjustment is kept out the wind, blade is extremely applicable to position, exhaust outlet pipeline blast reaches required value, the single-chip microcomputer output signal blade driving motor that makes to keep out the wind stops operating, the blade that keeps out the wind remains unchanged in several angle position, the charge flow rate of blower fan system remains unchanged.
As preferably, intake grill pipeline is mutually vertical with the center line of exhaust outlet pipeline.
As preferably, intake grill pipeline is hollow cylinder pipeline.
As preferably, exhaust outlet pipeline is hollow cuboid shape pipeline.
As preferably, the blade of impeller is forward-curved blade.
As preferably, the blade that keeps out the wind is disc blade, and across the hollow inwall circumference of intake grill pipeline, blade driving motor is coaxially connected with keeping out the wind, keep out the wind can 360 ° of rotations under blade driving motor effect.
As preferably, the blade driving motor that keeps out the wind is stepper motor.
As preferably, piezoelectric transducer detects the blast of air port pipeline in real time.
The beneficial effects of the utility model are:---single-chip microcomputer---keep out the wind blade reducing motor---charge flow rate keeps out the wind blade automatic feedback formula control mode to adopt piezoelectric transducer, can on single-chip microcomputer the blast of setup control exhaust outlet pipeline, it is reliably convenient to control; The employing blade that keeps out the wind can control blast and air quantity exactly, obtain the blast and air quantity that match with actual demand, the power that motor consumes is optimum, solves existing centrifugal blower ubiquitous " low load with strong power " phenomenon, can reach energy-conservation effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of impeller.
Fig. 3 is the structural representation of impeller drive motor.
Fig. 4 keeps out the wind the structural representation of blade.
The structural representation of Fig. 5 exhaust outlet pipeline.
The structural representation of Fig. 6 intake grill pipeline.
Shown in figure, 1 is impeller drive motor, and 2 is spiral case, and 3 is the blade driving motor that keeps out the wind, and 4 is intake grill pipeline, and 5 is the blade that keeps out the wind, and 6 is support, and 7 is exhaust outlet pipeline, and 8 is piezoelectric transducer, and 9 is impeller.
Embodiment
As shown in the figure, a kind of energy-saving centrifugal fan controlling blast, comprises support 6, air intake device, exhaust apparatus; Air intake device comprises the spiral case 2 be fixed on support 6, the impeller 9 being arranged on spiral case 2 li and impeller drive motor 1, and the intake grill pipeline 4 to be connected with spiral case 2, intake grill pipeline 4 internal fixtion installs the rotating blade 5 that keeps out the wind, and intake grill pipeline 4 arranges keep out the wind blade driving motor 3 and single-chip microcomputer; Exhaust apparatus comprises the exhaust outlet pipeline 7 be connected with spiral case 2, the piezoelectric transducer 8 in exhaust outlet pipeline 7; Single-chip microcomputer is electrically connected with keep out the wind blade driving motor 3 and piezoelectric transducer 8, common formation control system.Piezoelectric transducer 8 detects the blast of air port pipeline 7 in real time.
Intake grill pipeline is mutually vertical with the center line of exhaust outlet pipeline, and intake grill pipeline 4 is hollow cylinder pipeline, and exhaust outlet pipeline 7 is hollow cuboid shape pipeline; The blade of impeller 9 is forward-curved blade; Keep out the wind blade 5 for disc blade, and across the hollow inwall circumference of intake grill pipeline 4, blade driving motor 3 is coaxially connected with keeping out the wind, can 360 ° of rotations under the blade driving motor 3 that keeps out the wind acts on; Keep out the wind blade driving motor 3 for stepper motor.
For summary of the invention of the present utility model, the present inventor has done following experiment:
Rotation speed of fan n is 1500r/min, and power P is 90W, and the external diameter of centrifugal blower is less, and adopt forward-curved blade, air radial direction enters blower fan, blade exit established angle β
2a=140 °, impeller outer diameter D
2=85mm, internal diameter D
1=65mm, blade exit width b
2=35mm, inlet temperature t
in=25 DEG C.
Blower fan keep out the wind blade standard-sized sheet time, experiment record air quantity q
v=864m
3/ h, useful horsepower is 70.78W.The flow q measured when the blade that keeps out the wind turns over several angle
v=684m
3/ h, useful horsepower is 46.5W.The blade that keeps out the wind records flow q when turning over certain angle
v=540m
3/ h, useful horsepower 30.6W.The blade that keeps out the wind records flow q when turning over certain angle
v=480m
3/ h, useful horsepower 23.2W.The blade that keeps out the wind records flow q when turning over certain angle
v=460m
3/ h, useful horsepower 22.06W.
As flow q
vduring=684m/h, Δ p
e=70.78-46.5=24.28W, energy-conservation percentage ω can be calculated as follows:
As flow q
vduring=540m/h, Δ p
e=70.78-30.6=40.1W, energy-conservation percentage ω can be calculated as follows:
As flow q
v=480m/h Δ p
e=70.78-23.2=47.58W, energy-conservation percentage ω can be calculated as follows:
As flow q
vduring=460m/h, Δ p
e=70.78-22.06=48.72W, energy-conservation percentage ω can be calculated as follows:
According to the data drawn above, change the air intake flow of blower fan, the corresponding load of blower fan reduces, and the power of consumption just reduces, for keep out the wind blade standard-sized sheet time power of fan, the leaf position that keeps out the wind change, air intake flow reduces relative to during standard-sized sheet, thus keep out the wind blade standard-sized sheet time charge flow rate maximum, power of fan is maximum, along with the reduction of charge flow rate, power of fan just reduces gradually, can reach energy-saving effect like this.
Claims (8)
1. an energy-saving centrifugal fan for blast be can control, support, air intake device, exhaust apparatus and control system comprised; Air intake device comprises the spiral case be fixed on support, be arranged on impeller in spiral case and impeller drive motor, and the intake grill pipeline be connected with spiral case; Exhaust apparatus comprises the exhaust outlet pipeline be connected with spiral case; It is characterized in that: intake grill pipeline internal fixtion installs the rotating blade that keeps out the wind; Control system comprises the piezoelectric transducer be arranged on exhaust outlet pipeline, keep out the wind blade driving motor and the single-chip microcomputer be arranged on intake grill pipeline, and single-chip microcomputer is electrically connected with keep out the wind blade driving motor and piezoelectric transducer.
2. the energy-saving centrifugal fan controlling blast according to claim 1, is characterized in that: intake grill pipeline is mutually vertical with the center line of exhaust outlet pipeline.
3. a kind of energy-saving centrifugal fan controlling blast according to claim 1 and 2, is characterized in that: intake grill pipeline is hollow cylinder pipeline.
4. a kind of energy-saving centrifugal fan controlling blast according to claim 1 and 2, is characterized in that: exhaust outlet pipeline is hollow cuboid shape pipeline.
5. a kind of energy-saving centrifugal fan controlling blast according to claim 1 and 2, is characterized in that: the blade of impeller is forward-curved blade.
6. a kind of energy-saving centrifugal fan controlling blast according to claim 1 and 2, it is characterized in that: the blade that keeps out the wind is disc blade, across the hollow inwall circumference of intake grill pipeline, blade driving motor is coaxially connected with keeping out the wind, keep out the wind can 360 ° of rotations under blade driving motor effect.
7. a kind of energy-saving centrifugal fan controlling blast according to claim 1 and 2, is characterized in that: the blade driving motor that keeps out the wind is stepper motor.
8. a kind of energy-saving centrifugal fan controlling blast according to claim 1 and 2, is characterized in that: piezoelectric transducer detects the blast of air port pipeline in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520664793.7U CN204921424U (en) | 2015-08-29 | 2015-08-29 | Energy -conserving centrifugal fan of steerable wind pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520664793.7U CN204921424U (en) | 2015-08-29 | 2015-08-29 | Energy -conserving centrifugal fan of steerable wind pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204921424U true CN204921424U (en) | 2015-12-30 |
Family
ID=54970558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520664793.7U Expired - Fee Related CN204921424U (en) | 2015-08-29 | 2015-08-29 | Energy -conserving centrifugal fan of steerable wind pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204921424U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352421A (en) * | 2015-07-15 | 2017-01-25 | 广东志高空调有限公司 | Novel wind device |
| CN109882424A (en) * | 2019-03-15 | 2019-06-14 | 湖南泛航智能装备有限公司 | High power density centrifugal blower and centrifugal blower control system |
| CN112065755A (en) * | 2019-06-11 | 2020-12-11 | 北京航天奥祥通风科技股份有限公司 | A kind of ventilator |
-
2015
- 2015-08-29 CN CN201520664793.7U patent/CN204921424U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352421A (en) * | 2015-07-15 | 2017-01-25 | 广东志高空调有限公司 | Novel wind device |
| CN106352421B (en) * | 2015-07-15 | 2019-04-30 | 广东志高空调有限公司 | A kind of aeration device |
| CN109882424A (en) * | 2019-03-15 | 2019-06-14 | 湖南泛航智能装备有限公司 | High power density centrifugal blower and centrifugal blower control system |
| CN112065755A (en) * | 2019-06-11 | 2020-12-11 | 北京航天奥祥通风科技股份有限公司 | A kind of ventilator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20190829 |