CN109914185A - The deicing or snow melting system and method for coupling photovoltaic and carbon fiber far infrared heating technique - Google Patents
The deicing or snow melting system and method for coupling photovoltaic and carbon fiber far infrared heating technique Download PDFInfo
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- CN109914185A CN109914185A CN201910228181.6A CN201910228181A CN109914185A CN 109914185 A CN109914185 A CN 109914185A CN 201910228181 A CN201910228181 A CN 201910228181A CN 109914185 A CN109914185 A CN 109914185A
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- Road Paving Structures (AREA)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
Abstract
The invention discloses the deicing or snow melting system and methods of a kind of coupling photovoltaic and carbon fiber far infrared heating technique, system includes supply unit, control unit and execution unit interconnected, supply unit is used to power for the AC load of execution unit, including solar energy power generating plate, battery group and the inverter being sequentially connected；Control unit is made of CPU, sensing module, writing module, display module and functional switch；Execution unit includes carbon fiber heating plate and other electric appliances, and carbon fiber heating plate is made of concrete recuperation layer, carbon fiber heating line, reflecting layer and the heat insulation layer set gradually from top to bottom；When deicing or snow melting system works, the electric energy of solar energy power generating plate output is saved by battery group, battery group is discharged under the control of the control unit, direct current is transformed into alternating current supply carbon fiber heating plate through inverter, realize that the function of deicing or snow melting, battery group have more than needed electric energy for giving other electric power supplies.
Description
Technical field
The invention belongs to photovoltaic power generation and carbon fiber heating technical fields, more particularly to a kind of coupling photovoltaic and carbon fiber
The deicing or snow melting system and method for far infrared heating technology, this system be applicable to highway easily freeze occur accident section,
The scene of deicing or snow melting is needed at Urban Underground garage exit/entry etc..
Background technique
In winter, road snow mantle or the influence to freeze to communications and transportation are obvious.For bridge, airfield runway,
The icy road in the heavier special road section region of the traffic loadings such as highway port, tunnel's entrance and exit, road curve, slope road and
Accumulated snow situation not only causes large effect to national economy and people's lives, but also is also the important hidden danger of traffic safety.According to
Statistics, in winter in world wide in big and medium-sized cities, traffic accident caused by freezing because of road snow mantle accounts for about traffic accident total amount
2/3.
In existing deicing or snow melting method: 1. manually remove method to Snowremoval low efficiency, it is costly, have hysteresis quality, shadow
It rings current traffic and traffic safety and is unable to long working.2. using mechanical equipment clear snow, snow removing effect is not when exclusive use
It is good, ice face removing is not thorough, the anti-slide performance on road surface cannot be fundamentally solved, traffic safety cannot get effective guarantee, by
Seasonal effect is stronger, and frequency of use is low, and economic benefit is poor.3. mechanical blowing snow mode removes the snow, object must be without rolling
The road snow of thinner thickness, the usually operation when snowing, mechanical requirements amount is big, costly, and accumulated snow is once rolled
Or the then impotentia that freezes；4. deicing or snow melting effect is also undesirable at low ambient temperatures for chemical thaw method, while meeting band steel bar corrosion,
Road surface and hard shoulder degrade destruction negative effect, to influence the durability of road；The thawing water of saliferous is discharged into drainage pipeline drop
The service life of low pipeline；Accumulated snow containing saline moisture pours into greenery patches, plant can be killed, destroy ecological ring by flower bed, plant pit
Border；Sprinkling salt water mixes the bromine contained in water droplet and chlorine with snow, and after temperature increases snow melting, both substances are with gas
Form is released, they, which rise, destroys troposphere, and lower ozone layer in atmosphere is lost.The use of deicer salts
It worldwide causes to seriously endanger and bring huge economic losses, the harm in China has also gradually shown.5. environmental protection
Deicing salt is expensive, could can only use under particular circumstances.Therefore, by analyzing the existing of current road deicing or snow melting
Method and status find that there are inconveniences for present method.
Currently, thermo electric material carbon fiber is gradually used to heating art.Carbon fiber (carbon fiber) is Gao Mo
Polyacrylonitrile base corpus fibrosum is measured, it not only has the intrinsic intrinsic property of carbon material, and the softness for having both textile fabric is processable
Property, it is reinforcing fiber of new generation.Carbon fiber have high intensity, high-modulus, high temperature resistant, wear-resisting, corrosion-resistant, antifatigue, creep resistant,
The many advantages such as conductive, thermally conductive and far infrared radiation.Carbon fiber is the current highest thermo electric material of electric heating conversion ratio, its physics
Characteristic determines the energy-efficient of carbon fiber heating line.After carbon fiber itself is powered, 8 μm -15 μm of far infrared can be generated, is had
75% heat can be come out with far-infrared radiation, and therefore, carbon fiber exothermic wire is exactly the far infrared for utilizing carbon fibre to issue
Beta radiation is warmed oneself.These characteristics based on carbon fiber, carbon fiber be used as exothermic material be widely used in heating and
In heating equipment, most widely used is household ground heating, heater and super bath.
Solar energy becomes because of unique advantages such as the spatter properties of generality, the unlimitedness of reserves and development and utilization existing for it
Most noticeable clean reproducible energy, therefore, solar energy coupled system is widely used in heat supply, power supply, refrigeration etc.
Field.
Currently, there is patent CN205874895U to devise a kind of asphalt mixture surfacing deicing or snow melting device, heating cable is utilized
Bituminous pavement is heated, realizes deicing or snow melting；Patent CN205420961U relates to a kind of power using pressure electricity-generating plate
The system that deicing or snow melting energy supply is realized in heating device fever.Compare with two above patent, there is partial monopoly to relate to using too
It is positive can energy deicing or snow melting technology, such as patent CN205501771U relate to it is a kind of generated electricity using solar energy module, heat
Thermally conductive brick body filled with heat-conducting type bituminous concrete realizes deicing or snow melting；Patent CN105821796A discloses a kind of sun
Can generate electricity the powering mode combined with additional power source two ways, to be mainly deicing or snow melting system and collection system power supply；Specially
A kind of solar power generation snow-melting system of sharp CN106677005A weight, solar power generation subsystem is by controller to power generation mould
Air in block is heated, to melt the ice and snow on highway；Patent CN204693869U equally also devises a kind of by too
Air in positive energy heat collector heating appendix, achievees the effect that deicing or snow melting；Patent CN203113219U, which discloses one kind, to be made
Electric heater unit is supplied electricity to solar panel and realizes deicing or snow melting technology, and patent CN202041865U discloses a kind of sun
It can photovoltaic device for melting snow on pavements.
From the point of view of current achievement, electric heater unit is heated using photovoltaic technology, green high-efficient is energy saving, but does not have
Mention the deicing or snow melting device of coupling photovoltaic and carbon fiber far infrared heating technology.
Summary of the invention
Purpose of the invention is to overcome the shortcomings in the prior art, provides a kind of coupling photovoltaic and carbon fiber far infrared
The deicing or snow melting system and method for heating technique, the system is by solar photovoltaic generation system and carbon fiber far infrared heating technique
It is coupled, solving easily to freeze in highway occurs accident section, the easy icing scene such as at Urban Underground garage exit/entry
Deicing or snow melting problem.The system has the characteristics that green cleans, is efficient, convenient.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of deicing or snow melting system of coupling photovoltaic and carbon fiber far infrared heating technique, including energy supply interconnected are single
Member, control unit and execution unit, the supply unit is used to power for the AC load of execution unit, including what is be sequentially connected
Solar energy power generating plate, battery group and inverter；
Described control unit is made of CPU, sensing module, writing module, display module and functional switch, said write mould
Block and display module are made of the resistive touch screen and LCD display integrated, with realize control or operating instruction input and
It has been shown that, the sensing module is made of temperature sensor and ADS signal adapter, temperature sensor to acquire outdoor air and
The temperature analog signal on road surface, and digital signal is converted by ADS signal adapter and is eventually sent to CPU；CPU refers to according to user
Enable the start and stop and turn on angle size for passing through functional switch control execution unit surely；
The execution unit includes carbon fiber heating plate and other electric appliances, and carbon fiber heating plate by setting gradually from top to bottom
Concrete recuperation layer, carbon fiber heating line, reflecting layer and heat insulation layer composition；When deicing or snow melting system works, photovoltaic
The electric energy of power generation plate output is saved by battery group, and battery group is discharged under the control of the control unit, and direct current is through inverter
It is transformed into alternating current supply carbon fiber heating plate, realizes that the function of deicing or snow melting, battery group have more than needed electric energy for giving other electricity
Device power supply.
Further, the CPU is dsp processor, single-chip microcontroller or arm processor.
Further, the battery group uses completely-sealed lead-acid accumulator, by 14 100Ah/12V batteries first two
It is formed after two series connection are in parallel again.
Further, the size of monolithic carbon fiber heating plate is 1~1.3m × 1.0m × 0.25m, carbon fiber heating line
With a thickness of 35~45mm, heat insulation layer with a thickness of 3~5cm.
Further, the heat insulation layer is made of fire-retardant extruded sheet, and reflecting layer is made of soft foil aluminium.
Further, the spacing between the carbon fiber heating line is 100mm,
A kind of control method of deicing or snow melting system, comprising the following steps:
(1) temperature analog signal of temperature sensor acquisition outdoor air and road surface；
(2) when real-time temperature is higher than 5 DEG C, the analog signal of temperature is sent to the ADS of control unit by temperature sensor
Signal converter simultaneously becomes digital signal, and control unit is according to the functional switch of Digital Signals carbon fiber heating plate, in carbon
When fiber heating board is not closed all, the quantity of carbon fiber heating plate is gradually closed, if temperature is reduced to 5 DEG C in the process,
Then acting execution terminates；If carbon fiber heating plate is all closed, temperature does not still reach 5 DEG C, then needs to further decrease electricity
Stream, up to refining temperature to set temperature；
(3) when real-time temperature is lower than 5 DEG C, the analog signal of temperature is sent to ADS signal converter by temperature sensor
Becoming digital signal, control unit gradually tunes up electrical current according to digital signal, if temperature is increased to 5 DEG C in the process,
Then acting execution terminates；If electrical current reaches maximum value, temperature does not still reach 5 DEG C, then further enables carbon fiber hair
Hot plate controls the temperature of carbon fiber heating plate at 5 DEG C until room temperature is made to reach set temperature by temperature sensor
Left and right.
Compared with prior art, the beneficial effects brought by the technical solution of the present invention are as follows:
1, it is to solve the problems, such as that winter road snow freezes, carbon fiber heating line is embedded in carbon fiber heating plate, with
Solar energy power generating energy-storage system is for Electric heating deicing or snow melting, with this method, has both been avoided that deicing salt to concrete
Pavement structure and many negative effects of environment bring, while having that thermal stability is good, the advantages such as easy to control.
2, coupling photovoltaic and carbon fiber infrared heating technique reduce system electricity consumption, the practical significance with energy-saving and emission-reduction.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of present system.
Fig. 2 is the structural schematic diagram of carbon fiber heating plate.
Fig. 3 is the laying form of carbon fiber heating line.
Fig. 4 is the interaction concept figure of control unit and execution unit
Appended drawing reference: 1- solar energy power generating plate, 2- control unit, 3- battery group, 4- inverter, 5- carbon fiber hair
Hot plate, other electric appliances of 6-, 7- concrete recuperation layer, 8- carbon fiber heating line, the reflecting layer 9-, 10- heat insulation layer
Specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that described herein
Specific embodiment be only used to explain the present invention, be not intended to limit the present invention.
As shown in Figures 1 to 4, the deicing or snow melting system of coupling photovoltaic of the present invention and carbon fiber far infrared heating technique is main
It is supply unit, control unit 2 and execution unit respectively including three units.
Wherein supply unit refers to solar photovoltaic generation system, mainly includes solar energy power generating plate 1, battery group
3, the parts such as DC/AC inverter 4.To realize accumulation of energy number of days 1 day, battery puts a depth 50%, transfer efficiency 85%, line
Damage the technical requirements that the carbon fiber heating plate of 5%, 2211W arrangement carbon fiber heating line works 3 hours.The present embodiment supply unit
It is the battery group of 684.52Ah that i.e. solar photovoltaic generation system, which needs capacity, so using completely-sealed lead-acid accumulator, by
14 100Ah/12V batteries are first connected two-by-two composes in parallel this battery group again.Since battery institute electricity demand is
16428Wh, it is assumed that local average sunshine time is 8 hours, and sunshine number of days is 7 days, according to solar battery to sunlight
The transfer efficiency of transfer efficiency 90%, control unit 2 and inverter is 75%, by calculating, using the control unit of 24V/20A
2, when inverter losses rate is 20%, the inverter using 3000W is most suitable；The solar energy power generating plate of this system
1 uses monocrystaline silicon solar cell, and it is the solar energy group of 500W that this system, which needs general power, and SRPV100-24/ is used in selection thus
Ac type monocrystaline silicon solar cell standard component (125 monocrystalline) constitutes this solar battery, monocrystalline silicon by the component of 5 pieces of 100Wp
Transfer efficiency be 17%.
The integrated mould that control unit is made of components such as CPU, sensing module, writing module, display module, functional switches
Block.Only needing to set up in the form of bracket and dock with power supply in user side can be operated.
Execution unit is primarily referred to as carbon fiber heating plate 5 and other electric appliances 6, and carbon fiber heating plate 5 is mainly by from top to bottom
Concrete recuperation layer 7, carbon fiber heating line 8, reflecting layer 9 and the heat insulation layer 10 set gradually forms, carbon fiber in the present embodiment
Heating board is concrete heating board, and work is controlled the adjusting control of unit.For the purpose for realizing deicing or snow melting, monolithic hair
Hot plate is dimensioned to 1.3m × 1.0m × 0.25m.Under this size, 8 protective layer thickness of carbon fiber heating line is chosen for 40mm,
Under this thickness, the distribution of heating board surface temperature field influences less, and meets the requirement of deicing or snow melting temperature uniformity.To subtract
Less below heating board, the energy loss in deicing or snow melting is not used, we are in 8 arranged beneath of carbon fiber heating line heat insulation layer
And reflecting layer, i.e. heat insulation layer depth of placement is 4cm.Heat insulation layer is the fire-retardant extruded sheet that market is purchased, and reflecting layer is soft foil aluminium
Composite material.The carbon fiber heating line arrangement spacing of the heating board of this arrangement carbon fiber heating line 8 is chosen for 100mm, and (such as Fig. 3 is
The laying form of carbon fiber heating line), this distance issues the hotplate surface temperature difference less than 2 DEG C.Meet temperature uniformity requirement.This hair
The carbon fiber heating line of bright middle use is PAN base carbon fibre 24k (carbon fiber heating line cross-section fibers silk number has 24000) silica gel
Crust carbon fiber heating line, joint length 12.5m, resistance are 17 Ω/m, linear heat generation rate 230W/m.By calculating, this carbon fiber
The input power for tieing up heating board is 2211.54W/m2, the input power of one piece of carbon fiber heating plate is 2875KJ.
After system is set up, temperature control is may be implemented in system, and temperature sensor mainly acquires outdoor air and road
The temperature analog signal in face.
When real-time temperature is higher than 5 DEG C, temperature sensor converts the signal that the analog signal of temperature is sent to micro computer
Device becomes digital signal, and control unit is according to the functional switch of Digital Signals carbon fiber heating plate, in carbon fiber heating plate
When not closing all, the quantity for gradually closing carbon fiber heating plate acts execution if temperature is reduced to 5 DEG C in the process
Terminate；If carbon fiber heating plate is all closed, temperature does not still reach 5 DEG C, then needs to further decrease electric current, until modulation
Temperature is to set temperature.
When real-time temperature is lower than 5 DEG C, temperature sensor converts the signal that the analog signal of temperature is sent to micro computer
Device becomes digital signal, and control unit gradually tunes up electrical current according to digital signal, if temperature is increased to 5 in the process
DEG C, then acting execution terminates；If electrical current reaches maximum value, temperature does not still reach 5 DEG C, then needs further to enable carbon
Fiber heating board, until making room temperature reach set temperature passes through temperature sensor, it can be by the temperature of carbon fiber heating plate
Control is at 5 DEG C or so.
Assuming that an extreme case, snowfall ice face thickness 10mm, air themperature are -20 DEG C, wind speed 5m/s, the snow melting time 3 is small
When, estimate power to be loaded needed for one piece of carbon fiber heating plate face is warming up to 5 DEG C of melt snows.It is logical known to law of conservation of energy
Heat caused by electricity should be equal to three parts: heat, the heat waste of heating board heating amount of stored heat, ice or snow heating and thawing absorption
It loses.Wherein heat loss includes: the heat waste in the heat, heat loss through radiation, circuit of cross-ventilation heat dissipation and environment contact conduction loss
It loses, relationship may be expressed as: P Δ t=Qc+Qi(Qs)+Ql.Energy consumed by concrete heat absorption heating is 30264KJ, is changed
The energy of ice is 4603.77KJ, and the energy of heat convection loss is 5027.21KJ, and the energy of environment heat conduction loss is
11232KJ, then ambient heat loss is 16259.208KJ, and the load power of one block of plate is 2211.98KJ, is lower than carbon fiber coagulation
The input power 2875KJ of native heating board.
Therefore in the extreme condition of this strong wind low temperature, snowfall ice face thickness 10mm, air themperature is -20 DEG C, wind speed 5m/s,
One piece of carbon fiber heating plate face can be warming up to 5 DEG C, reach deicing or snow melting by this system in the case of the snow melting time 3 is small
Effect.
The present invention is not limited to embodiments described above.Above the description of specific embodiment is intended to describe and say
Bright technical solution of the present invention, the above mentioned embodiment is only schematical, is not restrictive.This is not being departed from
In the case of invention objective and scope of the claimed protection, those skilled in the art may be used also under the inspiration of the present invention
The specific transformation of many forms is made, within these are all belonged to the scope of protection of the present invention.
Claims (7)
1. the deicing or snow melting system of a kind of coupling photovoltaic and carbon fiber far infrared heating technique, which is characterized in that including mutually interconnecting
Supply unit, control unit and the execution unit connect, the supply unit are used to power for the AC load of execution unit, including
Solar energy power generating plate, battery group and the inverter being sequentially connected；
Described control unit is made of CPU, sensing module, writing module, display module and functional switch, the write module and
Display module is made of the resistive touch screen and LCD display integrated, to realize the input and display of control or operating instruction,
The sensing module is made of temperature sensor and ADS signal adapter, and temperature sensor is to acquire outdoor air and road surface
Temperature analog signal, and digital signal is converted by ADS signal adapter and is eventually sent to CPU；CPU is fixed according to user instructions
Pass through the start and stop and turn on angle size of functional switch control execution unit；
The execution unit includes carbon fiber heating plate and other electric appliances, and carbon fiber heating plate is mixed by what is set gradually from top to bottom
Solidifying soil recuperation layer, carbon fiber heating line, reflecting layer and heat insulation layer composition；When deicing or snow melting system works, solar energy power generating
The electric energy of plate output is saved by battery group, and battery group is discharged under the control of the control unit, and direct current changes through inverter
Carbon fiber heating plate is supplied at alternating current, realizes that the function of deicing or snow melting, battery group have more than needed electric energy for supplying to other electric appliances
Electricity.
2. the deicing or snow melting system of a kind of coupling photovoltaic and carbon fiber far infrared heating technique according to claim 1, special
Sign is that the CPU is dsp processor, single-chip microcontroller or arm processor.
3. the deicing or snow melting system of a kind of coupling photovoltaic and carbon fiber far infrared heating technique according to claim 1, special
Sign is that the battery group uses completely-sealed lead-acid accumulator, is first connected two-by-two again simultaneously by 14 100Ah/12V batteries
It is formed after connection.
4. the deicing or snow melting system of a kind of coupling photovoltaic and carbon fiber far infrared heating technique according to claim 1, special
Sign is, the size of monolithic carbon fiber heating plate is 1~1.3m × 1.0m × 0.25m, carbon fiber heating line with a thickness of 35~
45mm, heat insulation layer with a thickness of 3~5cm.
5. the deicing or snow melting system of a kind of coupling photovoltaic and carbon fiber far infrared heating technique according to claim 1, special
Sign is that the heat insulation layer is made of fire-retardant extruded sheet, and reflecting layer is made of soft foil aluminium.
6. according to claim 1 or a kind of 4 deicing or snow melting systems of coupling photovoltaic and carbon fiber far infrared heating technique,
It is characterized in that, the spacing between the carbon fiber heating line is 100mm.
7. a kind of control method of deicing or snow melting system is generated heat based on coupling photovoltaic and carbon fiber far infrared described in claim 1
The deicing or snow melting system of technology, which comprises the following steps:
(1) temperature analog signal of temperature sensor acquisition outdoor air and road surface；
(2) when real-time temperature is higher than 5 DEG C, the analog signal of temperature is sent to the ADS signal of control unit by temperature sensor
Converter simultaneously becomes digital signal, and control unit is according to the functional switch of Digital Signals carbon fiber heating plate, in carbon fiber
When heating board is not closed all, the quantity for gradually closing carbon fiber heating plate is moved if temperature is reduced to 5 DEG C in the process
Making to execute terminates；If carbon fiber heating plate is all closed, temperature does not still reach 5 DEG C, then needs to further decrease electric current, directly
To refining temperature to set temperature；
(3) when real-time temperature is lower than 5 DEG C, the analog signal of temperature is sent to ADS signal converter by temperature sensor to be become
Digital signal, control unit gradually tune up electrical current according to digital signal, if temperature is increased to 5 DEG C in the process, move
Making to execute terminates；If electrical current reaches maximum value, temperature does not still reach 5 DEG C, then further enables carbon fiber heating plate,
Until room temperature is made to reach set temperature by temperature sensor, the temperature of carbon fiber heating plate is controlled at 5 DEG C or so.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910228181.6A CN109914185A (en) | 2019-03-25 | 2019-03-25 | The deicing or snow melting system and method for coupling photovoltaic and carbon fiber far infrared heating technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910228181.6A CN109914185A (en) | 2019-03-25 | 2019-03-25 | The deicing or snow melting system and method for coupling photovoltaic and carbon fiber far infrared heating technique |
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| Publication Number | Publication Date |
|---|---|
| CN109914185A true CN109914185A (en) | 2019-06-21 |
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| CN110273346A (en) * | 2019-08-01 | 2019-09-24 | 四川公路桥梁建设集团有限公司 | Tunnel portal section heat preservation system utilizing solar photovoltaic technology |
| CN113530768A (en) * | 2021-08-16 | 2021-10-22 | 上海工程技术大学 | Fan blade device that can remove snow based on carbon fiber is electrically conductive to generate heat |
| CN114269029A (en) * | 2021-12-27 | 2022-04-01 | 山东省交通规划设计院集团有限公司 | Photovoltaic power generation-based bridge beam end ice prevention system and control method thereof |
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Application publication date: 20190621 |