CN104454607A - Automatic granary temperature control centrifugal fan - Google Patents
Automatic granary temperature control centrifugal fan Download PDFInfo
- Publication number
- CN104454607A CN104454607A CN201410592817.2A CN201410592817A CN104454607A CN 104454607 A CN104454607 A CN 104454607A CN 201410592817 A CN201410592817 A CN 201410592817A CN 104454607 A CN104454607 A CN 104454607A
- Authority
- CN
- China
- Prior art keywords
- motor
- centrifugal blower
- temperature
- sensor
- camera lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F25/00—Storing agricultural or horticultural produce; Hanging-up harvested fruit
- A01F25/16—Arrangements in forage silos
- A01F25/22—Ventilating arrangements
-
- 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
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
-
- 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
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/30—Control parameters, e.g. input parameters
- F05D2270/313—Air temperature
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The invention relates to the technical field of granary equipment, in particular to an automatic granary temperature control centrifugal fan. The automatic granary temperature control centrifugal fan comprises a base, a volute, a motor and a wind wheel. The motor is a double-stretching shaft type quadrupole motor, two transmission shafts of the motor are fixed on the wind wheel in the volute, and the volute and the motor are fixed on the base. The automatic granary temperature control centrifugal fan further comprises an automatic air speed adjusting system which is connected with the motor, and comprises a temperature detection device connected with the automatic air speed adjusting system. According to the above structure, the automatic air speed adjusting system, the temperature detection device and the motor are connected with one another, the temperature in a granary is automatically measured, the measuring precision is high, the temperature value in the granary is acquired by the automatic air speed adjusting system, the speed and the starting and stopping of the motor are automatically controlled in real time, and manual work is greatly reduced.
Description
Technical field
The present invention relates to silo equipment technical field, be specifically related to a kind of grain temperature and automatically control centrifugal blower.
Background technique
Grain is the strategic resources of country, and it is national emphasis problem that grain stores always.Real-time automatic monitoring and the important component part regulated as agricultural automation field of grain temperature, its research and apply is achieving rapid progress in recent years.But existing silo TT&C system mainly manual type, wiring is complicated, and investment is large, and workload is large, and silo detects grain temperature, collects the manpower financial capacity that data need at substantial one by one, low precision and cannot regulate the temperature of silo in real time.Therefore, more intelligent detection and adjustment grain temperature become nowadays important research topic direction.
Summary of the invention
The present invention proposes a kind of grain temperature and automatically controls centrifugal blower, and the temperature of autonomous detection and in real time control silo, significantly reduces artificial.
For reaching this object, the present invention by the following technical solutions:
A kind of grain temperature controls centrifugal blower automatically, comprise base, spiral case, motor and wind wheel, described motor is double extension shaft formula quadrupole motor, two transmission shaft is individually fixed in the wind wheel in described spiral case, described spiral case and described motor are fixed on described base, also comprise wind speed automatic regulating system, described wind speed automatic regulating system is connected with motor, also comprises the temperature-detecting device be connected with described wind speed automatic regulating system.
Described wind wheel is by two single wheel axles to being formed by fixedly connecting, and the blade of described two single-wheels staggers mutually.
Described single-wheel comprises described blade, end ring and former, and described end ring and described former are located at outside and the inner side of the vane group be made up of described blade respectively, and described former is fixed by axle sleeve, and described axle sleeve is fixedly connected with described transmission shaft.
Described spiral case comprises side cover and enclose lid, encloses the button hole of lid described in the fastener of described side cover passes, and left-hand thread residence is stated and enclosed lid.
Be provided with insulation board between described motor and described base, the screw of fixing described motor and described base uses insulating bush to completely cut off and opens.
Described temperature-detecting device comprises housing, described enclosure interior is provided with waveguide optical screw thread, optical focus camera lens, sensor, steady temperature copper stand and circuit board, and described waveguide optical screw thread, optical focus camera lens, sensor, steady temperature copper stand are connected successively with circuit board; Described waveguide optical threaded exterior is provided with two corresponding parallel surfaces and interior forward end is provided with internal thread, and for eliminating clutter and waveguiding action, rear end is for placing described optical focus camera lens; Described optical focus camera lens adopts cone structure; Described steady temperature copper stand interior forward end is for placing described sensor, and rear end is for placing sensor leg.
Described sensor pin is connected with described circuit board.
Described wind speed automatic regulating system includes pressure transducer, PID controller and frequency variator, wherein, pressure transducer is arranged at the wind direction inlet of blower fan support body, the input end of PID controller is connected with pressure transducer, output terminal is connected with the input end of frequency variator, and the output terminal of frequency variator is connected with motor.
The present invention is according to above structure, wind speed automatic regulating system, temperature-detecting device and motor are interconnected, the temperature of automatic measurement silo inside, measuring accuracy is high, wind speed automatic regulating system obtains temperature value in silo and the speed of automatic control motor and Push And Release in real time, significantly reduces artificial work.
Accompanying drawing explanation
Fig. 1 is the forward sight structural representation of one embodiment of the present of invention.
Fig. 2 is the plan structure schematic diagram of one embodiment of the present of invention.
Fig. 3 is the right TV structure schematic diagram of one embodiment of the present of invention.
Fig. 4 is the right TV structure schematic diagram of an embodiment of wind wheel.
Fig. 5 be an embodiment of wind wheel face structural representation.
Fig. 6 is that structural representation faced by the raw material of an embodiment of blade.
Fig. 7 is the side-looking structural representation of an embodiment of blade.
Fig. 8 is the structural representation of the temperature-detecting device of one embodiment of the present of invention.
Fig. 9 is the structured flowchart of the wind speed automatic regulating system of one embodiment of the present of invention.
Wherein: base 100, spiral case 200, side cover 201, enclose lid 202, baffle liner 203, diffusion mouth 204, motor 300, transmission shaft 301, wind wheel 400, blade 410, main body 411, assembly department 412, end ring 402, former 403, axle sleeve 404, blades installation angle A, blade radius of the radian R, wind speed automatic regulating system 500, waveguide optical screw thread 1, optical focus camera lens 2, sensor 3, steady temperature copper stand 4, circuit board 5, housing 6.
Embodiment
Technological scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
As shown in Figures 1 to 9, a kind of high-efficiency air-condition centrifugal blower, comprise base 100, spiral case 200, motor 300 and wind wheel 400, described motor 300 is double extension shaft formula quadrupole motor, two transmission shaft 301 is individually fixed in the wind wheel 400 in described spiral case 200, described spiral case 200 and described motor 300 are fixed on described base 100, the setting angle A of the blade 410 of described wind wheel 400 is 30 °-40 °, as shown in Figure 6, described wind wheel 400 comprises main body 411 and is located at the assembly department 412 at main body 411 two ends, described main body 411 is by rectangular raw material line centered by the long limit of one, two broadside counterrotatings form, the length on described long limit is 90-100mm, the length of described broadside is 18-24mm, as shown in Figure 7, the radius of the radian R of described blade 410 is 12-15mm.
Also comprise wind speed automatic regulating system 500, described wind speed automatic regulating system 500 is connected with motor, also comprises the temperature-detecting device be connected with described wind speed automatic regulating system 500.
Utilize the fluid mechanics of air, the efficiency of the design increase centrifugal blower that described blade 410 is such, plays the effect improving air-flow, makes centrifugal blower performance more superior, effectively reduce the volume of centrifugal blower, have larger blast simultaneously.
As shown in Figure 5, described wind wheel 400 is by two single wheel axles to being formed by fixedly connecting, and the blade 410 of described two single-wheels staggers mutually, the air-flow introduced respectively is interacted, increase blast from two described single-wheels.
As shown in Figure 4 and Figure 5, described single-wheel comprises described blade 410, end ring 402 and former 403, described end ring 402 and described former 403 are located at outside and the inner side of the vane group be made up of described blade 410 respectively, described former 403 is fixed by axle sleeve 404, and described axle sleeve 404 is fixedly connected with described transmission shaft 301.
The diameter of described wind wheel 400 and width ratio are 180:196.This ratio of described wind wheel 400 has best boost performance.
Blade 410 quantity of described wind wheel 400 is 85-105 sheet.The density of described blade 410 is one of important indicator determining centrifugal blower performance equally, and described blade 410 makes centrifugal blower have good performance in this quantitative range.
As shown in Figure 5, two intake grills of described spiral case 200 are located at the both sides of described wind wheel 400 axis respectively, and described intake grill is provided with diminishing baffle liner 203 from outside to inside, plays the effect of diffusion.
The exhaust outlet of described spiral case 200 is located at described base 100, and described exhaust outlet is provided with the diffusion mouth 204 of outward-dipping 3 °-5 °, and described diffusion mouth 204 is integral type structure with described spiral case 200.The outer incline of 3 °-5 ° of described diffusion mouth 204 has best diffusion effect, and described diffusion mouth 204 and the integral structure of described spiral case 200 reduce the volume of described diffusion mouth 204.
As shown in Figure 2 to Figure 3, described spiral case 200 comprises side cover 201 and encloses lid 202, encloses the button hole of lid 202 described in the fastener of described side cover 201 passes, and left-hand thread residence is stated and enclosed lid 202.Compared with welded structure, left-hand thread structure can avoid rosin joint, dry joint and oxidizable shortcoming, increases the working life of centrifugal blower.
The length of described spiral case 200 is 240mm-270mm.
Be provided with insulation board between described motor 300 and described base 100, fixing described motor 300 uses insulating bush to completely cut off with the screw of described base 100 and opens, effectively prevent described motor 300 from leaking electricity.
As shown in Figure 8, temperature-detecting device comprises housing 6, described housing 6 inside is provided with waveguide optical screw thread 1, optical focus camera lens 2, sensor 3, steady temperature copper stand 4 and circuit board 5, and described waveguide optical screw thread 1, optical focus camera lens 2, sensor 3, steady temperature copper stand 4 are connected successively with circuit board 5; Described waveguide optical screw thread 1 outside is provided with two corresponding parallel surfaces and interior forward end is provided with internal thread, and for eliminating clutter and waveguiding action, rear end is for placing described optical focus camera lens 2; Described optical focus camera lens 2 adopts cone structure; Described steady temperature copper stand 4 interior forward end is for placing described sensor 3, and rear end is for placing sensor leg.
Described sensor pin is connected with described circuit board 5.
Heat enters via Wave Guiding Optics screw thread 1, is undertaken focusing on the sensor 3 converging to middle part, carry out signal collection thermometric after filtering by optical focus camera lens 2; The steady temperature copper stand 4 at rear portion plays stability sensor 3 and does not convert the drift caused by ambient temperature, and last sensor 3 is connected to circuit board 5, has processing of circuit showing temperature.
Test angle design is appropriate, coordinates optical thread can use within 300 degree and reaches highi degree of accuracy.
Steady temperature copper stand 4 design causes temperature drift for when hot environment or low temperature environment, without the need to waiting for stable can directly test.
Steady temperature copper stand 4 for withstanding sensor 3, make sensor 3 and optical focus camera lens 2 good contact and due to temperature environment change fast endothermic, inhale cold; Cold scattering heat, acting on sensor 3 minimizing affects by temperature shock, reaches steady temperature effect.
Optical focus camera lens 2 and steady temperature copper stand 4 combine and infrared thermometer can be made to reduce costs, and can carry with; Steady warm nature can on solve the matter of time waited for needed for variation of ambient temperature, do not need 20 minutes steady temperature to wait for; Structure to diminish energy-conservation be user maximum Dary benefit, the continuous measurement of thermometric instrument energy uses one week, and power consumption reduces by 7 times.
Object energy after optical focus camera lens 2 eliminate stray light converges on sensor 3 thus, angle and important; The large front and back of angle pull the test temperature difference very large, the little instability of test signal that angle is little.
Due to structure diminish save raw material, operation save be convenient to produce, simple to operate, easy to use, without the need to the camera lens that filters, test angle is appropriate, at high or low temperatures can effective equilibrium temperature, and when making measurement, temperature is not drifted about, error is little, and structure is simple, easy to use.
As shown in Figure 9, described wind speed automatic regulating system 500 includes pressure transducer, PID controller and frequency variator, wherein, pressure transducer is arranged at the wind direction inlet of blower fan support body 100, the input end of PID controller is connected with pressure transducer, output terminal is connected with the input end of frequency variator, and the output terminal of frequency variator is connected with motor 300.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (8)
1. a grain temperature controls centrifugal blower automatically, comprise base, spiral case, motor and wind wheel, described motor is double extension shaft formula quadrupole motor, two transmission shaft is individually fixed in the wind wheel in described spiral case, described spiral case and described motor are fixed on described base, it is characterized in that: also comprise wind speed automatic regulating system, described wind speed automatic regulating system is connected with motor, also comprises the temperature-detecting device be connected with described wind speed automatic regulating system.
2. a kind of grain temperature according to claim 1 controls centrifugal blower automatically, it is characterized in that: described wind wheel is by two single wheel axles to being formed by fixedly connecting, and the blade of described two single-wheels staggers mutually.
3. a kind of grain temperature according to claim 2 controls centrifugal blower automatically, it is characterized in that: described single-wheel comprises described blade, end ring and former, described end ring and described former are located at outside and the inner side of the vane group be made up of described blade respectively, described former is fixed by axle sleeve, and described axle sleeve is fixedly connected with described transmission shaft.
4. a kind of grain temperature according to claim 1 controls centrifugal blower automatically, it is characterized in that: described spiral case comprises side cover and enclose lid, encloses the button hole of lid described in the fastener of described side cover passes, and left-hand thread residence is stated and enclosed lid.
5. a kind of grain temperature according to claim 1 controls centrifugal blower automatically, it is characterized in that: be provided with insulation board between described motor and described base, and the screw of fixing described motor and described base uses insulating bush to completely cut off and opens.
6. a kind of grain temperature according to claim 1 controls centrifugal blower automatically, it is characterized in that: described temperature-detecting device comprises housing, described enclosure interior is provided with waveguide optical screw thread, optical focus camera lens, sensor, steady temperature copper stand and circuit board, and described waveguide optical screw thread, optical focus camera lens, sensor, steady temperature copper stand are connected successively with circuit board; Described waveguide optical threaded exterior is provided with two corresponding parallel surfaces and interior forward end is provided with internal thread, and for eliminating clutter and waveguiding action, rear end is for placing described optical focus camera lens; Described optical focus camera lens adopts cone structure; Described steady temperature copper stand interior forward end is for placing described sensor, and rear end is for placing sensor leg.
7. a kind of grain temperature as claimed in claim 6 controls centrifugal blower automatically, it is characterized in that: described sensor pin is connected with described circuit board.
8. a kind of grain temperature as claimed in claim 1 controls centrifugal blower automatically, it is characterized in that: described wind speed automatic regulating system includes pressure transducer, PID controller and frequency variator, wherein, pressure transducer is arranged at the wind direction inlet of blower fan support body, the input end of PID controller is connected with pressure transducer, output terminal is connected with the input end of frequency variator, and the output terminal of frequency variator is connected with motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410592817.2A CN104454607A (en) | 2014-10-28 | 2014-10-28 | Automatic granary temperature control centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410592817.2A CN104454607A (en) | 2014-10-28 | 2014-10-28 | Automatic granary temperature control centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104454607A true CN104454607A (en) | 2015-03-25 |
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ID=52901191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410592817.2A Pending CN104454607A (en) | 2014-10-28 | 2014-10-28 | Automatic granary temperature control centrifugal fan |
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| Country | Link |
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| CN (1) | CN104454607A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3964059B2 (en) * | 1998-09-25 | 2007-08-22 | 清記 須山 | Indoor automatic ventilation system |
| CN201110271Y (en) * | 2007-10-18 | 2008-09-03 | 张驰 | DC brushless evaporation fan for bus air conditioner non position sensor |
| US20090060738A1 (en) * | 2007-08-31 | 2009-03-05 | Delta Electronics, Inc. | Fan and manufacturing method thereof |
| CN202628579U (en) * | 2012-06-11 | 2012-12-26 | 佛山市盈赛机械设备有限公司 | Condensing fan for bus air conditioner |
| CN202677238U (en) * | 2012-08-02 | 2013-01-16 | 河南工业大学 | Granary intelligent ventilation control system |
| CN203364976U (en) * | 2013-07-30 | 2013-12-25 | 林加尧 | Infrared thermometer |
| CN203796620U (en) * | 2014-05-13 | 2014-08-27 | 佛山市盈赛机械设备有限公司 | Efficient air conditioner centrifugal fan |
-
2014
- 2014-10-28 CN CN201410592817.2A patent/CN104454607A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3964059B2 (en) * | 1998-09-25 | 2007-08-22 | 清記 須山 | Indoor automatic ventilation system |
| US20090060738A1 (en) * | 2007-08-31 | 2009-03-05 | Delta Electronics, Inc. | Fan and manufacturing method thereof |
| CN201110271Y (en) * | 2007-10-18 | 2008-09-03 | 张驰 | DC brushless evaporation fan for bus air conditioner non position sensor |
| CN202628579U (en) * | 2012-06-11 | 2012-12-26 | 佛山市盈赛机械设备有限公司 | Condensing fan for bus air conditioner |
| CN202677238U (en) * | 2012-08-02 | 2013-01-16 | 河南工业大学 | Granary intelligent ventilation control system |
| CN203364976U (en) * | 2013-07-30 | 2013-12-25 | 林加尧 | Infrared thermometer |
| CN203796620U (en) * | 2014-05-13 | 2014-08-27 | 佛山市盈赛机械设备有限公司 | Efficient air conditioner centrifugal fan |
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Application publication date: 20150325 |