CN104864689A - FPGA-based wet umbrella rapid and automatic drying machine and control method thereof - Google Patents
FPGA-based wet umbrella rapid and automatic drying machine and control method thereof Download PDFInfo
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- CN104864689A CN104864689A CN201510254465.4A CN201510254465A CN104864689A CN 104864689 A CN104864689 A CN 104864689A CN 201510254465 A CN201510254465 A CN 201510254465A CN 104864689 A CN104864689 A CN 104864689A
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Abstract
The invention discloses an FPGA-based wet umbrella rapid and automatic drying machine and a control method thereof. The drying machine comprises a cylindrical drum. An umbrella rotating device is arranged at the bottom of the drum. A humidity collection module is arranged on the inner side wall of the drum. The top and bottom of the side wall of the drum are communicated with a hot wind circulation system. The umbrella rotating device, the humidity collection module and the hot wind circulation system are all connected to an FPGA control center. The umbrella rotating device comprises a vertically arranged first rotary shaft connected with a servo motor. The FPGA control center controls the servo motor to drive an umbrella to rotate through the first rotary shaft. According to the FPGA-based wet umbrella rapid and automatic drying machine and the control method thereof, humidity sensors inside the drying machine collect humidity of each portion; the humidity weight is worked out through an RBF algorithm; and then the FPGA control center controls the rotation speed of the servo motor, a pulsed electric field and synchronous working of the hot wind circulation system according to the humidity weight. Therefore, the effect of rapidly drying the wet umbrella is achieved.
Description
Technical field
The present invention relates to a kind of fast automatic drying machine of wetted umbrella based on FPGA control and control method thereof.
Background technology
On rainy day, client comes the place such as large supermarket, market, and all carry with adrip umbrella, not only the occurrence of wetness is dirty and messy but also client easily slips.In order to address this problem, market provides polybag mostly, but polybag not environmentally, and sometimes polybag breaks, and some will be caused to bother.More existing wetted umbrella drying device and methods at present, but need people to control.
Summary of the invention
The present invention seeks to: a kind of fast automatic drying machine of wetted umbrella based on FPGA control and control method thereof are provided.
Technical scheme of the present invention is:
The fast automatic drying machine of a kind of wetted umbrella based on FPGA, described drying machine comprises a cylindrical barrel, described bottom of cylinder is provided with umbrella rotating device, cylinder madial wall is provided with humidity collection module, hot air circulating system is connected respectively in top and the bottom of cylinder side wall, and described umbrella rotating device, humidity collection module and hot air circulating system are all connected to FPGA control centre; Described umbrella rotating device comprises the first rotating shaft vertically arranged, and described first rotating shaft connects servomotor FPGA control centre and controls servomotor, drives umbrella to rotate by the first rotating shaft.
Preferably, described barrel top is provided with cover plate, and described cover plate is the semicircle cover plate of two panels, with draw-in groove in the middle of the semicircle cover plate of two panels; Described cover plate is connected with timer, and timer exports PWM ripple, and cover plate is as the load layer of positive charge.
Preferably, the disc of a level is fixed at described first rotating shaft top, and described disc is connected with timer, and timer exports PWM ripple, and disc, as the load layer of negative electrical charge, forms electric field between cover plate and disc.
Preferably, also cover is stamped above described cover plate.
Preferably, described first rotating shaft side surface is provided with the intensive vertical double wedge of a circle, the side surface of the second rotating shaft of servomotor is provided with the vertical double wedge suitable with the first rotating shaft, first rotating shaft is higher than the second rotating shaft, the outside cover of the first rotating shaft has a spring, the lower surface of described spring upper end contact disc, the top of lower end in contact second rotating shaft.
Preferably, described humidity collection module comprises 16 humidity sensors, and 16 humidity sensors are divided into 4 layers, every layer 4 to be distributed on cylinder madial wall, and the humidity information of each humidity sensor collection separately on position is sent to FPGA control centre.
Preferably, described cylinder madial wall is also provided with ultraviolet lamp, described ultraviolet lamp is by FPGA control centre connection control.
Preferably, in described cylinder, a circular inner ring is also fixed at middle part, and the diameter of circular inner ring is 2 ~ 4 times of umbrella.
Preferably, described first rotating shaft top is provided with trigger key, and described trigger key is connected to FPGA control centre.
A control method for the fast automatic drying machine of wetted umbrella based on FPGA, described control method comprises step:
1) when there being umbrella to put into drying machine, trigger key is pushed up in umbrella leading section, and drying machine is started working, and FPGA control centre controls cover plate and cover successively closes;
2) moisture signal of humidity sensor collection separately on position, and be sent to FPGA control centre, FPGA control centre adopts RBF algorithm to calculate humidity weights in drying machine, and judges whether humidity weights are greater than the threshold value of setting;
3) if humidity weights are greater than the threshold value of setting, FPGA control centre controls servomotor and rotates with certain speed, controls hot air circulating system and pass into hot blast in drying machine, controls to produce impulse electric field between cover plate and disc, opens uviol lamp;
4) if humidity weights are less than the threshold value of setting, FPGA control centre controls to close servomotor, hot air circulating system, impulse electric field and uviol lamp, then controls to open cover plate and cover, terminates dry.
Advantage of the present invention is:
The fast automatic drying machine of wetted umbrella based on FPGA provided by the present invention and control method thereof, the humidity sensor in drying machine is utilized to gather the humidity at each position, humidity weights are calculated through RBF algorithm, then FPGA control centre is according to rotating speed, impulse electric field, the hot air circulating system synchronous working of humidity control of right servomotor, thus realizes the effect of rapid draing wetted umbrella, simple and practical, be easy to operation, safety, and floor space is little, is suitable for large-scale popularization.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is the planar structure schematic diagram of the fast automatic drying machine of wetted umbrella of the present invention;
Fig. 2 is the stereogram of the primary structure of the fast automatic drying machine of wetted umbrella of the present invention;
Fig. 3 is that closedown schematic diagram opened by the cover plate of the embodiment of the present invention;
Fig. 4 is that the cover of the embodiment of the present invention opens closedown schematic diagram;
Fig. 5 is the FPGA control centre connection diagram of the embodiment of the present invention;
Fig. 6 is that the humidity sensor of the embodiment of the present invention adopts RBF algorithm to calculate the schematic diagram of humidity weights;
The schematic diagram of the conversion of raindrop under Electro-pulsing Field of Fig. 7 embodiment of the present invention;
Fig. 8 is the workflow diagram of the fast automatic drying machine of wetted umbrella of the present invention.
Detailed description of the invention
As illustrated in fig. 1 and 2, the fast automatic drying machine of disclosed wetted umbrella, described drying machine comprises a cylindrical barrel 1, umbrella rotating device is provided with bottom described cylinder 1, described umbrella rotating device comprises the first rotating shaft 2 vertically arranged, described first rotating shaft 2 lower end connects the second rotating shaft 12 of servomotor, described first rotating shaft 2 side surface is provided with the intensive vertical double wedge of a circle, the side surface of the second rotating shaft 12 of servomotor is provided with the vertical double wedge suitable with the first rotating shaft 2, first rotating shaft 2 is higher than the second rotating shaft 12, FPGA control centre controls servomotor, the first rotating shaft 2 is driven to rotate by the second rotating shaft 12, umbrella is driven to rotate by the first rotating shaft 2.Cylinder madial wall is provided with humidity sensor 3, the top of cylinder side wall and bottom connect hot air circulating system 4 respectively, and described umbrella rotating device, humidity collection module and hot air circulating system are all connected to FPGA control centre.Described barrel top is provided with cover plate 5 and cover 6, the disc 7 of a described first rotating shaft external stability level, described cover plate 5 is connected respectively to timer with disc 7, cover plate 5 and the load layer of disc 7 respectively as positive and negative charge, FPGA control centre configuration timer produces PWM ripple, between cover plate and disc, form impulse electric field.Described first rotating shaft top is provided with trigger key 11, can trigger the work of whole system under the effect of umbrella.The outside of the first rotating shaft is also overlapped a spring 8, the lower surface of described spring upper end contact disc, the top of lower end in contact second rotating shaft, and the first rotating shaft 2, can along double wedge upper and lower displacement under the pressure of umbrella and the elastic force of spring, to adapt to the length of different umbrella.Described cylinder madial wall is also installed by the ultraviolet lamp 9 of FPGA control centre connection control.In cylinder, a circular inner ring 10 is also fixed at middle part, and the diameter of circular inner ring is umbrella 3 times, even if umbrella opens when high-speed rotation, umbrella can be protected also to protect drying machine simultaneously.
Described drying machine diameter 40cm, height 100cm, therefore floor space is little, and design 100cm is for the sake of security, prevents child naughty and meets accident.
Described humidity collection module comprises 16 humidity sensors, 16 humidity sensors are divided into 4 layers, every layer 4 to be distributed on cylinder madial wall, described humidity sensor adopts VHR01-SPI, it is the digital temperature-humidity sensor module based on temperature and relative humidity, SPI interface output temperature and relative humidity, the temperature and humidity information of each humidity sensor collection separately on position is sent to FPGA control centre.
Hot air circulating system is produced by a heat pump, and in order to reach quick-drying effect, control the wind speed that heat pump produces circulation, the temperature in holding cylinder is constant in 70 DEG C.4 ultraviolet disinfection lamps are installed, quick kill bacteria around cylinder madial wall.Drying machine sidewall has discharge outlet, and bottom is connected to device for collecting rain water, is finally connected to sewer.
Fig. 3 and Fig. 4 is that cover plate and cover open closedown two states schematic diagram respectively, and described cover plate comprises the semicircle cover plate of two panels, and with draw-in groove in the middle of the semicircle cover plate of two panels, when resting, cover and two panels cover plate are all opened; Withstand trigger key in the first rotating shaft, triggered interrupts when wetted umbrella being put into drying machine, the two panels cover plate that FPGA control centre controls cover plate inwardly moves, and blocks umbrella handle, then closes cover.After cover is closed, avoid in high-speed rotation, any material flies out to abrade others.When umbrella withstands trigger key, and start servomotor when cover plate is closed.
Fig. 5 FPGA control centre is the EP4CE15F17C8N chip using Altera Cyclone IV system class.Be integrated with RBF algorithm during programming, real time operating system controls, thus control servomotor, hot air circulating system and impulse electric field more accurately and real-time.Humidity sensor totally 16, is dispersed with 4 layers and 4 every layer, the humidity value of Real-time Collection different parts under upper.The humidity sensor of same layer is averaged (precision is higher), then by the mean value of different layers through RBF algorithm through calculating humidity weights (compensation).Using four humidity parameters as input value, rotation parameter is as desired value.Build a RBF neural, as shown in Figure 6.The humidity parameter obtained early stage, as training set, carries out cluster analysis to it, determines center and the width of RBF hidden neuron excitation function.Use training set to train RBF network, determine that output layer arrives the weights of hidden layer.The excitation function of RBF hidden neuron is RBF, and hidden layer input value is the closer to the center determined before, and neuron output value is larger.Desired output is obtained by weighted sum.Obtained the humidity value in bucket by RBF algorithm, pass to FPGA control centre, then compare with the threshold value preset, thus control servomotor, thermodynamic cycle and impulse electric field.There is a hidden layer, w
mifor input layer is to the weights of hidden layer, m, i are input neuron and hidden layer node respectively; w
ifor hidden layer is to the weights of output layer; I is hidden layer node number.
Be below relative humidity different interval time, FPGA control centre controls the rotating speed that servomotor drives the first rotating shaft:
1) relative humidity is greater than 90, rotating speed 100 revolutions per seconds;
2) relative humidity is greater than 80, rotating speed 80 revolutions per seconds;
3) relative humidity is greater than 70, rotating speed 60 revolutions per seconds;
4) relative humidity is greater than 50, rotating speed 40 revolutions per seconds;
5) relative humidity is greater than 40, rotating speed 20 revolutions per seconds;
6) relative humidity is less than 20, closes servomotor, closes hot air circulation, closes impulse electric field, then open cover and cover plate;
Cover plate and disc are respectively as the load layer of positive and negative charge, FPGA control centre configuration timer produces PWM ripple, impulse electric field is formed between cover plate and disc, principle arranges a numerical value of N, the counting of timer is from 0, when count value is less than N, timer exports positive charge, when count value is greater than N, timer exports 0, timer can produce 4 PWM ripples, we are just with 2 countings, produce 2 PWM ripples, positive charge and negative electrical charge is gathered respectively on cover plate and disc, form impulse electric field, FPGA control centre controls PWM wave frequency and dutycycle, by the counting of counter, once counting reaches setting value, trigger response, realize corresponding discharge and recharge task.Fig. 7 is the schematic diagram of raindrop conversion under Electro-pulsing Field, under electric field action, and the stressed generation deformation of small rain droplets, thus make little water droplet condense the large water droplet of formation, thus increase gravity, therefore from the angle of power, water droplet is stressed larger, is more easily thrown out of.Once dry wet umbrella, between cover plate and disc, apply that dutycycle is 50%, frequency is the electric field of 10KHz; Otherwise after drying terminates, electric field also stops thereupon.
Fig. 8 is drying machine to the flow chart of dry run being umbrella, and concrete steps are:
1) when there being umbrella to put into drying machine, trigger key is pushed up in umbrella leading section, and drying machine is started working, and FPGA control centre controls cover plate and cover successively closes;
2) moisture signal of humidity sensor collection separately on position, and be sent to FPGA control centre, FPGA control centre adopts RBF algorithm to calculate humidity weights in drying machine, and judges whether humidity weights are greater than the threshold value of setting;
3) if humidity weights are greater than the threshold value of setting, FPGA control centre controls servomotor and rotates with certain speed, controls hot air circulating system and pass into hot blast in drying machine, controls to produce impulse electric field between cover plate and disc, opens uviol lamp;
4) if humidity weights are less than the threshold value of setting, FPGA control centre controls to close servomotor, hot air circulating system, impulse electric field and uviol lamp, then controls to open cover plate and cover, terminates dry.
The drying machine of the quick drying wetted umbrella of this patent design is simple and practical, is easy to operation, safety, convenient and fast, floor space is little, import and export when putting respective numbers in market, will the wetted umbrella of the numerous client of rapid draing, for quality services are brought in client and market.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All modifications done according to the Spirit Essence of main technical schemes of the present invention, all should be encompassed within protection scope of the present invention.
Claims (10)
1. the fast automatic drying machine of the wetted umbrella based on FPGA, it is characterized in that: described drying machine comprises a cylindrical barrel, described bottom of cylinder is provided with umbrella rotating device, cylinder madial wall is provided with humidity collection module, hot air circulating system is connected respectively in top and the bottom of cylinder side wall, and described umbrella rotating device, humidity collection module and hot air circulating system are all connected to FPGA control centre; Described umbrella rotating device comprises the first rotating shaft vertically arranged, and described first rotating shaft connects servomotor, and FPGA control centre controls servomotor, drives umbrella to rotate by the first rotating shaft.
2. the fast automatic drying machine of the wetted umbrella based on FPGA according to claim 1, is characterized in that: described barrel top is provided with cover plate, and described cover plate is the semicircle cover plate of two panels, with draw-in groove in the middle of the semicircle cover plate of two panels; Described cover plate is connected with timer, and timer exports PWM ripple, and cover plate is as the load layer of positive charge.
3. the fast automatic drying machine of the wetted umbrella based on FPGA according to claim 2, it is characterized in that: the disc of a level is fixed at described first rotating shaft top, described disc is connected with timer, timer exports PWM ripple, disc, as the load layer of negative electrical charge, forms electric field between cover plate and disc.
4. the fast automatic drying machine of the wetted umbrella based on FPGA according to claim 2, is characterized in that: be also stamped cover above described cover plate.
5. the fast automatic drying machine of the wetted umbrella based on FPGA according to claim 3, it is characterized in that: described first rotating shaft side surface is provided with the intensive vertical double wedge of a circle, the side surface of the second rotating shaft of servomotor is provided with the vertical double wedge suitable with the first rotating shaft, first rotating shaft is higher than the second rotating shaft, the outside cover of the first rotating shaft has a spring, the lower surface of described spring upper end contact disc, the top of lower end in contact second rotating shaft.
6. the fast automatic drying machine of the wetted umbrella based on FPGA according to claim 1, it is characterized in that: described humidity collection module comprises 16 humidity sensors, 16 humidity sensors are divided into 4 layers, every layer 4 to be distributed on cylinder madial wall, and the humidity information of each humidity sensor collection separately on position is sent to FPGA control centre.
7. the fast automatic drying machine of the wetted umbrella based on FPGA according to claim 1, it is characterized in that: described cylinder madial wall is also provided with ultraviolet lamp, described ultraviolet lamp is by FPGA control centre connection control.
8. the fast automatic drying machine of the wetted umbrella based on FPGA according to claim 1, is characterized in that: in described cylinder, a circular inner ring is also fixed at middle part, and the diameter of circular inner ring is 2 ~ 4 times of umbrella.
9. the fast automatic drying machine of the wetted umbrella based on FPGA according to claim 1, is characterized in that: described first rotating shaft top is provided with trigger key, and described trigger key is connected to FPGA control centre.
10. the control method of the fast automatic drying machine of the wetted umbrella based on FPGA: it is characterized in that, described control method comprises step:
1) when there being umbrella to put into drying machine, trigger key is pushed up in umbrella leading section, and drying machine is started working, and FPGA control centre controls cover plate and cover successively closes;
2) moisture signal of humidity sensor collection separately on position, and be sent to FPGA control centre, FPGA control centre adopts RBF algorithm to calculate humidity weights in drying machine, and judges whether humidity weights are greater than the threshold value of setting;
3) if humidity weights are greater than the threshold value of setting, FPGA control centre controls servomotor and rotates with certain speed, controls hot air circulating system and pass into hot blast in drying machine, controls to produce impulse electric field between cover plate and disc, opens uviol lamp;
4) if humidity weights are less than the threshold value of setting, FPGA control centre controls to close servomotor, hot air circulating system, impulse electric field and uviol lamp, then controls to open cover plate and cover, terminates dry.
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Cited By (11)
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| CN107642954A (en) * | 2017-10-13 | 2018-01-30 | 黄河科技学院 | Umbrella dryer |
| WO2018090756A1 (en) * | 2016-11-21 | 2018-05-24 | 杨智阳 | Umbrella capable of preventing raindrops from dropping to surrounding pedestrians |
| CN108413713A (en) * | 2018-03-13 | 2018-08-17 | 温州大学 | A kind of umbrella drying machine |
| CN108759316A (en) * | 2018-06-19 | 2018-11-06 | 上海理工大学 | A kind of umbrella storing device |
| CN109682176A (en) * | 2018-12-28 | 2019-04-26 | 杭州戴里文化创意有限公司 | A kind of umbrella dryer |
| CN109724370A (en) * | 2018-12-28 | 2019-05-07 | 杭州戴里文化创意有限公司 | A kind of umbrella dryer being convenient to clean |
| CN110322778A (en) * | 2019-03-21 | 2019-10-11 | 凌丽霞 | A kind of mall shopping board quickly dried with staight shank umbrella |
| CN110940154A (en) * | 2018-05-23 | 2020-03-31 | 黄大光 | Long-handle umbrella surface water stain cleaning device and cleaning method |
| CN111750623A (en) * | 2020-06-15 | 2020-10-09 | 大连交通大学 | Intelligent umbrella drying-machine |
| CN111765743A (en) * | 2020-07-03 | 2020-10-13 | 西京学院 | Novel umbrella drying and storing device and using method |
| CN112066664A (en) * | 2020-09-30 | 2020-12-11 | 福建工程学院 | Multifunctional umbrella dryer and working method thereof |
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| CN110940154A (en) * | 2018-05-23 | 2020-03-31 | 黄大光 | Long-handle umbrella surface water stain cleaning device and cleaning method |
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| CN110322778A (en) * | 2019-03-21 | 2019-10-11 | 凌丽霞 | A kind of mall shopping board quickly dried with staight shank umbrella |
| CN110322778B (en) * | 2019-03-21 | 2021-05-18 | 绍兴京越智能科技有限公司 | Market shopping guide board with straight handle umbrella spin-dries fast |
| CN111750623A (en) * | 2020-06-15 | 2020-10-09 | 大连交通大学 | Intelligent umbrella drying-machine |
| CN111765743A (en) * | 2020-07-03 | 2020-10-13 | 西京学院 | Novel umbrella drying and storing device and using method |
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