CN206929853U - Heating system of solar energy foor - Google Patents
Heating system of solar energy foor Download PDFInfo
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- CN206929853U CN206929853U CN201720851035.5U CN201720851035U CN206929853U CN 206929853 U CN206929853 U CN 206929853U CN 201720851035 U CN201720851035 U CN 201720851035U CN 206929853 U CN206929853 U CN 206929853U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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- Photovoltaic Devices (AREA)
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Abstract
It the utility model is related to heating technology field, more particularly to a kind of Heating system of solar energy foor, including photo-thermal radiant floor heating system and photoelectricity radiant floor heating system；The photo-thermal radiant floor heating system includes heat supply water pipe, water tank, solar thermal collector；The photoelectricity radiant floor heating system includes direct current heating cable, solar cell, direct current stabilizer, battery, DC voltage regulator, inverter and charger, the direct current heating cable and heat supply water pipe are laid on indoor floor simultaneously, are interweaved and are uniformly distributed.The system is easy to use, and effectively whole Control System Design is clear, can be monitored by touch-screen and man-machine interaction.
Description
Technical field
It the utility model is related to heating technology field, more particularly to a kind of Heating system of solar energy foor.
Background technology
Solar energy has been to be concerned by more and more people, many developed countries will send out as a kind of regenerative resource of cleaning
Open up important channel of the photovoltaic and photothermal technology as sustainable development.In China, photovoltaic and photothermal technology is as a kind of energy substitution skill
Art has become the important component of new energy development plan, and its commercial development and utilization is important developing direction.
Floor panel heating is compared with traditional heating system, is had the advantages that comfortable, health, service life are long, is saved.
The thermal source of traditional floor radiant heating is generally from concentrated supply of heating in the city hot water, and existing central heating system can't be accomplished completely
Green, this is also one of the main reason for causing Beijing-tianjin-hebei Region haze serious；Secondly central heating hot water temperature compared with
Height, residence comfort was not only influenceed but also thermal waste be present, the service life of water pipe also greatly shortens；In terms of maintenance cost, water
Easily there is water leakage fault in use in floor heating, deals with cumbersome, and after longtime running, pipe inner wall occurs greatly
Dirt is measured, later maintenance cost is higher.
It is an effective way of energy-saving and emission-reduction for radiant floor heating system by the use of solar energy as low-temperature heat source, still
Due to the unstability of solar energy in itself, easily influenceed by many factors such as season, place, weathers, existing photo-thermal flooring radiation is adopted
Heating system needs solve the problems, such as light source deficiency by other modes.Adopted in the prior art using exchange heating cable
Warm system, its exchange heating cable usually require AC220V power supply, by temperature controller control indoor temperature, when indoor temperature not
When can reach setting value, electricity heating on heating cable is exchanged, when indoor temperature is higher than certain temperature, stops heating.This temperature
Degree control mode precision is not high, and controls the switch of exchange heating cable start and stop often to act, and reduces the use of switch
Life-span.In addition, battery ripple caused by existing exchange heating cable can have an impact to health.
Utility model content
The purpose of this utility model is to overcome the shortcomings of above-mentioned technology, and provides a kind of solar radiant floor heating system
System.
The utility model to achieve the above object, using following technical scheme：
A kind of Heating system of solar energy foor, it is characterised in that：Including photo-thermal radiant floor heating system and photoelectricity
Radiant floor heating system；The photo-thermal radiant floor heating system includes heat supply water pipe, water tank, solar thermal collector；It is described
The thermal-arrest water inlet pipe and thermal-arrest return pipe of solar thermal collector connect with the water tank respectively, and the thermal-arrest water inlet pipe is provided with row
Tracheae and the first temperature sensor, be provided with the thermal-arrest return pipe second temperature sensor, first flow transmitter and
Collect heat-exchanger pump；The water tank opposite side is connected with heat supply water inlet pipe and heat supply return pipe, heat supply water inlet pipe and heat supply return pipe point
Both ends not with heat supply water pipe are connected, and heat supply water pump, electric control valve, second flow pick-up are provided with the heat supply water inlet pipe
Device, three-temperature sensor, the 4th temperature sensor is installed on the heat supply return pipe；
The photoelectricity radiant floor heating system includes direct current heating cable, solar cell, direct current stabilizer, electric power storage
Pond, DC voltage regulator, inverter and charger；The electric energy of the solar cell collection is transmitted by the direct current stabilizer
To the DC voltage regulator, the output end of the DC voltage regulator is connected with direct current heating cable；The direct current stabilizer is also
The battery charging, between direct current stabilizer and DC voltage regulator, the charger is used for for institute the inverter parallel
State battery charging and powered for the DC voltage regulator；
The direct current heating cable and heat supply water pipe are laid on indoor floor simultaneously, are interweaved and are uniformly distributed,
Interior is provided with Temperature Humidity Sensor.
Preferably, be connected with the circuit between the solar cell and the direct current stabilizer dc circuit breaker K1 and
D.C. contactor KM1, and one direct current voltage sensor V1 of parallel connection；Between the direct current stabilizer and the DC voltage regulator
Circuit be in series with DC current sensor A1, DC current sensor A2, dc circuit breaker K2 and D.C. contactor KM2；Store
The input parallel connection direct voltage sensor V2 of battery；Direct current is connected with circuit between the charger and the battery
Breaker K4 and D.C. contactor KM4；Direct current interruption is connected with circuit between the charger and the DC voltage regulator
Device K5 and D.C. contactor KM5；Direct current is connected with circuit between the DC voltage regulator and the direct current heating cable to break
Road device K3, D.C. contactor KM3, DC current sensor A3, direct current voltage sensor V3.
Preferably, in addition to controller, the controller include DO1~DO8 ports, AI1~AI16 ports, AO1 ports,
AO2 ports, power port and RS485 PORT COMs；Wherein o controller digital quantity in DO1~DO5 ports instructs, and controls direct current
Contactor KM1~KM5 break-make, the 48V direct currents that D.C. contactor KM1~KM3 power supplies export from battery, KM4
Turn direct current, the instruction of DO6~DO8 ports o controller digital quantity from civil power with the power supply of KM5 coils, control exchange connects
Tentaculum KM6~KM8 break-make, the 220V alternating currents that power supply exports from inverter, contactor KM1~KM8 are correspondingly arranged
HL1~HL8 indicator lamps, when coil obtains electric, corresponding contacts action, indicator lamp is bright；AI1~AI16 ports are used to gather analog quantity letter
Number, including DC voltage on loop and electric current, fluid level transmitter signal, indoor temperature and humidity sensor signal, collection hot loop and
The open degree feedback signal of temperature and flow signal and electric control valve in heat supplying loop；AO1 ports are used to export electric adjustable
The opening degree instruction of valve is saved, controller can be changed in heat supplying loop by fuzzy PID algorithm according to design temperature and actual temperature
The aperture of electric control valve, so as to realize temperature control；The analog signalses that controller is calculated for AO2 ports are exported to straight
Pressure regulator is flowed, analog signalses correspond to the output voltage of DC voltage regulator, their relation substantially linear, so as to realize high accuracy
Temperature control；Controller can gather and monitor the fortune of photo-thermal radiant floor heating system and photoelectricity radiant floor heating system
The row time；Power port provides the 24V direct currents from battery for controller, and this DC24V also powers for touch-screen；Controller
Data are carried out with touch-screen by RS485 PORT COMs mutually to pass and share, each collection of monitoring whole system in real time on touch-screen
Numerical value, while user instruction can be received and carry out valve opening control and the break-make control of contactor；K10 is control system power supply
Dc circuit breaker on loop, the manual switching for control system.
Preferably, the output voltage of inverter provides 220V alternating currents for collection heat-exchanger pump, heat supply water pump and moisturizing battery valve,
K9 is total AC circuit breaker, and K6~K8 is the AC circuit breaker in each branch, and KM6~KM8 is the exchange in each branch
Contactor, KM6~KM8 coils obtain it is electric after can act closure, so as to start relevant device, under normal operation, breaker K1
~K10 is in closure state, and system can carry out touch-screen long-distance centralized control and automatically control, upon occurrence of an emergency situation,
The operation of breaker emergency-stop device can be passed through.
The beneficial effects of the utility model are:Electricity floor heating of warming up as two kinds of thermal source different floor panel heating sides water
Formula, each own advantage and defect.System solution applies the energy substitution technology of clean environment firendly in radiant floor heating system
On, while the control of indoor temperature and regulation are realized using the system, fully demonstrate the comprehensive utilization of new energy.Direct current is sent out
The laying of electric heating cable and hot water line ensure that the stability of heat supply, while have no lack of flexibility again.Direct current heating cable substitutes
Traditional exchange heating cable, safety, comfortable, health and convenient progress temperature control, can be accurate using DC voltage regulator
The power output of direct current heating cable is controlled, control accuracy is substantially increased and reduces the action frequency of switch.Self-powered is set
Meter can make system stable operation under off-network state, only need to use civil power to carry out temporary power under extreme weather, together
When can also utilize paddy electricity be battery charging, improve energy utilization rate, saved the energy.The system is calculated by fuzzy
The aperture of method regulation electric control valve controls indoor temperature, is precisely controlled within setting range, ensures relaxing for interior
The energy saving of appropriateness and system.The computational methods of the system give the available total amount of heat computational methods of system and its amendment meter
Available total amount of heat computational methods under calculation method and extreme case., can be by the more of the system in the case where not needing heating
Complementary energy is stored or for basic living energy.The system is easy to use, and effectively whole Control System Design is clear,
It can be monitored by touch-screen and man-machine interaction.
Brief description of the drawings
Fig. 1 is the system flow chart of the utility model patent；
Fig. 2 is a part of electric control theory figure of the utility model patent；
Fig. 3 is another part electric control theory figure of the utility model patent；
Fig. 4 is the main program flow chart of the utility model patent；
Fig. 5 is the fuzzy controller model of the utility model patent.
Embodiment
Below in conjunction with the accompanying drawings and preferred embodiment describes specific embodiment of the present utility model in detail.As shown in figure 1, one
Kind Heating system of solar energy foor, including photo-thermal radiant floor heating system and photoelectricity radiant floor heating system；It is described
Photo-thermal radiant floor heating system includes heat supply water pipe 1, water tank 2, solar thermal collector 3；The thermal-arrest of the solar thermal collector
Water inlet pipe 4 and thermal-arrest return pipe 5 connect with the water tank respectively, and the thermal-arrest water inlet pipe is provided with the temperature of blast pipe 6 and first
Sensor 7, second temperature sensor 8, first flow transmitter 9 and collection heat-exchanger pump 10 are installed on the thermal-arrest return pipe；
The water tank opposite side is connected with heat supply water inlet pipe 11 and heat supply return pipe 12, heat supply water inlet pipe and heat supply return pipe respectively with confession
The both ends of hot-water line are connected, and heat supply water pump 13, electric control valve 14, second flow transmitter are provided with the heat supply water inlet pipe
15th, three-temperature sensor 16, the 4th temperature sensor 17 is installed on the heat supply return pipe；Water tank is provided with filling pipe, mends
Water pipe is provided with moisturizing battery valve 20.
The photoelectricity radiant floor heating system includes direct current heating cable 18, solar cell, direct current stabilizer, electric power storage
Pond, DC voltage regulator, inverter and charger；The electric energy of the solar cell collection is transmitted by the direct current stabilizer
To the DC voltage regulator, the output end of the DC voltage regulator is connected with direct current heating cable；The direct current stabilizer is also
The battery charging, between direct current stabilizer and DC voltage regulator, the charger is used for for institute the inverter parallel
State battery charging and powered for the DC voltage regulator；
The direct current heating cable and heat supply water pipe are laid on indoor floor simultaneously, are interweaved and are uniformly distributed,
Interior is provided with Temperature Humidity Sensor 19.
Dc circuit breaker K1 is connected with circuit between the solar cell and the direct current stabilizer and direct current connects
Tentaculum KM1, and one direct current voltage sensor V1 of parallel connection；Circuit between the direct current stabilizer and the DC voltage regulator
It is in series with DC current sensor A1, DC current sensor A2, dc circuit breaker K2 and D.C. contactor KM2；Battery
Input parallel connection direct voltage sensor V2；Dc circuit breaker is connected with circuit between the charger and the battery
K4 and D.C. contactor KM4；Be connected with circuit between the charger and the DC voltage regulator dc circuit breaker K5 and
D.C. contactor KM5；Be connected with circuit between the DC voltage regulator and the direct current heating cable dc circuit breaker K3,
D.C. contactor KM3, DC current sensor A3, direct current voltage sensor V3.
As shown in figure 1, indoor floor heating system while water piping and direct current heating cable, are interweaved and uniform
Distribution.Hot water source in water pipe provides circulation power in water tank by heat supply water pump.Electric adjustable is also equipped with heat supplying loop
Save valve, second flow transmitter, three-temperature sensor and the 4th temperature sensor.Electric control valve receives controller AO1 and referred to
Order carries out aperture control, participates in indoor temperature regulation.Second flow transmitter, three-temperature sensor and the 4th temperature sensor
By the flow and water inlet return water temperature of controller AI port processing heating waters, and then calculate and obtain heat in supply chamber.
Another loop is collection hot loop, and solar energy is transmitted feed-tank by water circulation, collects heat-exchanger pump by solar thermal collector
The circulation power of collection hot loop is provided.Blast pipe, first flow transmitter, the first temperature sensor are also equipped with collection hot loop
And second temperature sensor, blast pipe are used for exhaust pressure relief, first flow transmitter, the first temperature sensor and second temperature pass
Sensor calculates by the flow of controller AI port processing collection hot water streams and the disengaging coolant-temperature gage of heat collector and obtains thermal-arrest
Heat.Fluid level transmitter, moisturizing battery valve and blowoff valve are also equipped with water tank.Controller can gather water box liquid digit in real time
According to, can be automatically turned on when liquid level is too low moisturizing battery valve carry out moisturizing.Blowoff valve is that manually-operated gate excludes, it is necessary to periodically open
Water tank dirt and deposition.Indoor location has Temperature Humidity Sensor, and fuzzy-adaptation PID control is participated in for gathering temperature-humidity signal.It is fuzzy
PID control is more intelligent than traditional PID control, and control accuracy is higher.The quality of PID control quality is largely
Kp、Ki、KdSelection, fuzzy-adaptation PID control is using error and error rate as input, according to different deviation and deviation ratio
On-line tuning is carried out to pid parameter, controlled device is had good dynamic and static performance.This temperature control system is by indoor temperature
With the difference of design temperature and the rate of change of the difference as input, pass through blurring, fuzzy rule inference, de-fuzzy etc.
Reason, corrected parameter to the end is obtained, and PID arithmetic process is participated in after this 3 corrected parameters are superimposed with initial parameter value
In.By using Fuzzy PID, the complex tasks such as the system that can also complete quickly is heated, is precisely controlled.
The power supply of direct current heating cable comes from photovoltaic system, photovoltaic system output 48V direct currents, passes through DC voltage-stabilizing electricity
Constant voltage is converted into DC48V connection DC voltage regulators by source.Battery is connected in parallel on D.C. regulated power supply exit, photovoltaic hair
Electric system can carry out floating charge to battery.Battery also provides 48VDC and 24VDC power supplys for control system.Photovoltaic is sent out
Electrical circuit parallel connection goes out a loop and connects inverter, and DC48V is converted into AC220V provides alternating current for control system.220V civil powers
It can convert alternating current to direct current by charger and be directly battery charging or connect DC voltage regulator to be direct current heating
Cable power supply.Because the system is using the control strategy of preferential photo-thermal radiant floor heating system, so in hot water energy
, it is necessary to carry out the energy supply of photoelectricity radiant floor heating system in the case of deficiency, controller can calculate photoelectricity floor spoke
The heat that heating system needs to provide is penetrated, so as to draw the power output of direct current heating cable needs.DC voltage regulator receives control
The analog quantity instruction of device processed, change the power output of direct current heating cable by PWM method, so as to realize that temperature accurately controls.
KM1~KM5 is D.C. contactor, and for the break-make of controller control current supply circuit, corresponding K1~K5 is dc circuit breaker, is used
In disconnection current supply circuit manually.Fuse is installed in inverter porch and carries out short-circuit overload protection.V1~V3 is direct current
Pressure sensor, solar panel output voltage, battery input voltage and DC voltage regulator output voltage are detected respectively.A1~
A3 is DC current sensor, detects output current, photovoltaic system (the containing battery) supply current of D.C. regulated power supply respectively
With DC voltage regulator output current.
As shown in Fig. 2 controller includes DO, AI, AO port, power port and RS485 PORT COMs.DO1~DO5 ports
O controller digital quantity instructs, control KM1~KM5 break-make, and KM1~KM3 power supplies are straight from the 48V that battery exports
Stream electricity, the power supplies of KM4 and KM5 coils turn direct current from civil power, and it is right after charger that reason is that KM4 and KM5 controls civil power to connect
The charging of battery and powered for direct current heating cable, the power supply of this part needs to depart from photovoltaic generating system, prevents long-term because too
Positive energy deficiency causes system not start.The o controller digital quantity instruction of DO6~DO8 ports, KM6~KM8 break-make is controlled,
The 220V alternating currents that power supply exports from inverter, HL1~HL8 correspond to KM1~KM8 indicator lamp, when coil obtains
Electricity, corresponding contacts action, indicator lamp are bright；AI1~AI16 ports are used to gather the DC voltage on analog signalses, including loop
With the temperature in electric current, fluid level transmitter signal, indoor temperature and humidity sensor signal, collection hot loop and heat supplying loop and flow letter
Number and electric control valve open degree feedback signal；AO1 ports are used for the opening degree instruction for exporting electric control valve, and controller passes through
Fuzzy PID algorithm, the aperture of electric control valve in heat supplying loop can be changed according to design temperature and actual temperature, so as to realize
Temperature control；The analog signalses that controller is calculated for AO2 ports export to be corresponded to straight to DC voltage regulator, analog signalses
Flow the output voltage of pressure regulator, their relation substantially linear, so as to realize high-precision temperature control；Controller can gather
With the run time of monitoring photo-thermal radiant floor heating system and photoelectricity radiant floor heating system；Power port carries for controller
For the 24V direct currents from battery, this DC24V also powers for touch-screen；Controller and touch-screen pass through RS485 PORT COMs
Carry out data mutually to pass and share, each collection numerical value of whole system can be monitored on touch-screen in real time, while user can be received
Instruction carries out valve opening control and the break-make of contactor controls.K10 is the dc circuit breaker on control system electric power loop, is used
In the manual switching of control system.
As shown in figure 3, the output voltage of inverter provides 220V with moisturizing battery valve and exchanged for collection heat-exchanger pump, heat supply water pump
Electricity, K9 are total AC circuit breakers, and K6~K8 is the AC circuit breaker in each branch, and KM6~KM8 is the friendship in each branch
Flow contactor, when KM6~KM8 coils in Fig. 2 obtain it is electric after can act closure, so as to start relevant device.Normal operation
Under, breaker K1~K10 is in closure state, and system can carry out touch-screen long-distance centralized control and automatically control, when urgent
When situation occurs, the operation of breaker emergency-stop device can be passed through.
As shown in figure 4, control strategy is preferentially to use photo-thermal radiant floor heating system, adjusted by fuzzy PID algorithm
The aperture of electric control valve controls indoor temperature, if electric control valve standard-sized sheet indoor temperature is still unable to meet demand, says
The supply energy deficiency of bright now photo-thermal radiant floor heating system is, it is necessary to which photoelectricity radiant floor heating system is supplemented.Control
Device processed will calculate the power output of photoelectricity radiant floor heating system needs, and direct current heating cable is adjusted by DC voltage regulator
Power output, so as to adjust indoor temperature.If under extreme case, indoor temperature can not reach design temperature, it is necessary to using city
Electricity connects charger and powered for direct current heating cable, then is adjusted by DC voltage regulator.Here design temperature, which is one, to be permitted
Perhaps scope, indoor temperature are just adjusted not in this range, can so reduce system and frequently act and adjust, and improve steady
It is qualitative.In addition, the temperature in main program flow chart changes and regulation process, such as operation photo-thermal radiant floor heating system, mould
Paste the aperture of PID regulation electric control valves, run photoelectricity radiant floor heating system, DC voltage regulator regulation direct current heating cable
Power output, using the charged device of civil power supply direct current heating cable, it is necessary in a program set be delayed, when indoor temperature tends to be steady
Next step is carried out again after fixed.
Temperature control system inertia is big, and hysteresis is than more serious, and the utility model patent is using fuzzy PID algorithm to control
K in device processedp、Ki、KdOptimize, temperature control system is kept good Control platform under various operating conditions.
As shown in figure 5, from fuzzy controller model can be seen that by desired temperature and indoor temperature (now with upper a period of time
Carve) collect temperature deviation e and temperature deviation rate of change ec, e and ecThe fuzzy subset of input quantity is obtained by blurring,
Again Δ K is obtained by fuzzy rulep、ΔKiWith Δ KdFuzzy subset, finally obtain the exact value of output quantity simultaneously by precision
Respectively with the K of conventional PID controllersp、KiAnd KdSum up and be used as new control parameter to participate in regulation, export AO1 signals to
Electric control valve, change its aperture.Membership function is added in Controlling model, membership function represents exact value and fuzzy set
Membership between conjunction, temperature deviation e and temperature deviation rate of change ecTo determine to combine by the selection of degree of membership, Δ Kp、
ΔKiWith Δ KdFuzzy set and membership function determine Δ K jointlyp、ΔKiWith Δ KdExact value, membership function is usual
Defined using triangle type function.Fuzzy rule in figure is designed according to day-to-day operation experience and human brain thinking, in general,
When e is larger, K should be increasedpTemperature is rapidly achieved setting value, while reduce KiAnd Kd, to prevent stability from declining；As e and ec
For it is medium when, K should be reducedpOvershoot is prevented, suitably increases KiAnd select suitable Kd；When e is smaller, K should be increasediIt is steady to eliminate
State error, now if ecIt is larger, it should to reduce KdPrevent oscillatory occurences.
The computational methods that the utility model patent is related to：
A. in actual radiant floor heating system normal course of operation, following condition is met：
A) heat transfer process in radiant floor heating system normal course of operation is stable, all heat transfers
Analysis is carried out under the conditions of steady state heat transfer；
B) in radiant floor heating system normal course of operation, indoor temperature is constant；
C) the certain thickness insulation material laid around floor, ignore to floor lower section via the heat transfer of insulation material
Disregard, the thermal loss around floor is ignored；
D) thermal contact resistance is ignored；And layers of material uniform quality, physical property are identical and invariable；
E) hot water flowing is uniform in photo-thermal radiant floor heating system pipe, photoelectricity floor panel heating system dc heating electric
Cable electric current is uniform；
F) hot-water coil pipe surface and direct current heating cable surface temperature uniformity；
G) by interior wall and roof parameter weighting averagely into room air as an entirety, realize heat transfer.
B. the available heat Calculation method of radiant floor heating system
According to heat transfer principle, the available instantaneous heat quantity q (i) of radiant floor heating system：
Q (i)=qr(i)+qc(i) (1)
Wherein：
Q (i) is the available instantaneous heat quantity of radiant floor heating system, W/m2；qr(i) can for radiant floor heating system
The instantaneous radiation heat of offer, W/m2；qc(i) it is the available instantaneous convection heat of radiant floor heating system, W/m2。
C. the available heat Calculation method of photo-thermal radiant floor heating system in the radiant floor heating system proposed
Diabatic process in the radiant floor heating system proposed in photo-thermal radiant floor heating system floor is：Hot water
Heat is first transmitted to tube wall by hot water in pipe, and tube wall reheats floor, and last ground is by convection current and heat radiation mode by heat
It is transmitted to wall and room air.The computational methods of heat transfer process in floor follow the computational methods of classical thermal conduction study, this
Place repeats no more.
The available instantaneous heat quantity q of photo-thermal radiant floor heating system in the radiant floor heating system proposedPT(i)：
qPT(i)=qPTr(i)+qPTc(i) (2)
qPTr(i)=4.98 × 10-8[(tp(i)+273)4-(Tr+273)4] (3)
qPTc(i)=2.17 × [tp(i)-tr]1.31 (4)
qPT(i)=4.98 × 10-8[(tp(i)+273)4-(Tr+273)4]+2.17×[tp(i)-tr]1.31 (5)
Wherein：
qPT(i) it is the available transient heat of photo-thermal radiant floor heating system in the radiant floor heating system that is proposed
Amount, W/m2；qPTr(i) it is the available instantaneous spoke of photo-thermal radiant floor heating system in the radiant floor heating system that is proposed
Penetrate heat, W/m2；qPTc(i) it is photo-thermal radiant floor heating system available wink in proposed radiant floor heating system
When convection heat, W/m2；tp(i) floor surface temperature corresponding to photo-thermal radiant floor heating system, DEG C, the temperature is by red
Outer temperature measurer measures, for calculating the available heat of photo-thermal radiant floor heating system；trFor indoor temperature, DEG C, the temperature
Measured by indoor temperature and humidity sensor；TrFor the mean radiant temperature of non-heated, DEG C,(its
In：tskFor the surface temperature (DEG C) of each several part；AkFor the area (m of corresponding building enclosure2))。
The available total amount of heat q of photo-thermal radiant floor heating system in the radiant floor heating system proposedPT：
Wherein：
The total time that n is run in 1 year for photo-thermal radiant floor heating system in the radiant floor heating system that is proposed,
s；qPTFor the available total amount of heat of photo-thermal radiant floor heating system in the radiant floor heating system that is proposed, W/m2.Operation
Total time is defined as：Opto-thermal system and its energy-storage system run time summation.
D. the available heat Calculation method of photoelectricity radiant floor heating system in the radiant floor heating system proposed
For photoelectricity radiant floor heating system in the radiant floor heating system that is proposed, the diabatic process in its floor
For：Heat is transmitted to wall and room air by direct current heating cable heating floor, last ground by convection current and heat radiation mode.
Systematically the heat transfer process in plate is different from photo-thermal radiant floor heating system for photoelectricity floor panel heating.Its computational methods
It is as follows：
qL=I2×R’ (7)
Wherein：
qLFor photoelectricity floor panel heating system dc heating cable heating ground in the radiant floor heating system that is proposed
The heat of plate unit length, W/m；I sends out for photoelectricity floor panel heating system dc in the radiant floor heating system that is proposed
The electric current of electric heating cable, A；R ' is photoelectricity floor panel heating system dc heating cable in the radiant floor heating system that is proposed
Amendment resistance, Ω/m.
Wherein：
R for photoelectricity floor panel heating system dc heating cable in the radiant floor heating system that is proposed resistance,
Ω/m；αeFor the hot coefficient of material resistance, DEG C-1；α0For thermal coefficient of expansion, DEG C-1；tdFor the surface temperature of cable, DEG C.
The available instantaneous heat quantity q of photoelectricity radiant floor heating system in the radiant floor heating system proposedPV(j)：
Wherein：
qPV(j) it is the available transient heat of photoelectricity radiant floor heating system in the radiant floor heating system that is proposed
Amount, W/m2；qPVr(j) it is the available instantaneous spoke of photoelectricity radiant floor heating system in the radiant floor heating system that is proposed
Penetrate heat, W/m2；qPVc(j) it is photoelectricity radiant floor heating system available wink in proposed radiant floor heating system
When convection heat, W/m2；tp(j) floor surface temperature corresponding to photoelectricity radiant floor heating system, DEG C, the temperature is by red
Outer temperature measurer measures, for calculating the available heat of photoelectricity radiant floor heating system.
The available total amount of heat q of photoelectricity radiant floor heating system in the radiant floor heating system proposedPV：
Wherein：
The total time that m is run in 1 year for photoelectricity radiant floor heating system in the radiant floor heating system that is proposed,
s；qPVFor the available total amount of heat of photoelectricity radiant floor heating system in the radiant floor heating system that is proposed, W/m2.Operation
Total time is defined as：Electro-optical system and its energy-storage system run time summation.
E. the available total amount of heat computational methods of radiant floor heating system proposed
The available total amount of heat of radiant floor heating system proposed includes：Photo-thermal radiant floor heating system can provide
Total amount of heat, the supplemental heat that provides of the auxiliary thermal source under the available total amount of heat of photoelectricity radiant floor heating system and extreme case
Amount.Thus total amount of heat q：
Wherein：
Q is the available total amount of heat of radiant floor heating system proposed, W/m2；qSFor the auxiliary heat under extreme case
The additional heat that source provides, W/m2。
F. the modified computing method of the available total amount of heat of radiant floor heating system proposed
The radiant floor heating system proposed for the utility model patent, that includes two kinds of different Heat productions.It is right
In different Heat productions, its load is different, while take into account the load of the auxiliary thermal source under extreme case.Thus, this practicality
New patent proposes to correct the calculating of the available total amount of heat of proposed radiant floor heating system using stressor.
The total load of the radiant floor heating system proposed includes：Load, the photoelectricity of photo-thermal radiant floor heating system
The load of auxiliary thermal source under the load and extreme case of radiant floor heating system.
Stressor is LPT、LPV、LS.The total amount of heat q that modified computing method is drawnZ：
qZ=LPT·qPT+LPV·qPV+LS·qS (12)
LPT+LPV+LS=1 (13)
Wherein：
LPTThe ratio of total load is accounted for for the load of photo-thermal radiant floor heating system in the radiant floor heating system that is proposed
Example, %；LPVLoad for photoelectricity radiant floor heating system in the radiant floor heating system that is proposed accounts for total load ratio
Example, %；LSTotal load ratio, % are accounted for for the load of the auxiliary thermal source under extreme case；qZUnder modified computing method, to be proposed
The available total amount of heat of radiant floor heating system, W/m2。
G. under extreme case, the available total amount of heat computational methods of radiant floor heating system that are proposed
Under extreme case, in fact it could happen that three kinds of situations.
1) photoelectricity radiant floor heating system can not provide heat, and photo-thermal radiant floor heating system can only provide less heat
Amount, major heat are provided by auxiliary thermal source.Total amount of heat qZ’：
qZ'=qPT+qS (14)
Wherein：
qZ' it is the available total amount of heat of radiant floor heating system that is proposed under the first extreme case, W/m2。
2) photoelectricity radiant floor heating system and photo-thermal radiant floor heating system can not all provide heat, and total amount of heat is by auxiliary
Thermal source is helped to provide.When photo-thermal radiant floor heating system can not provide heat, it is necessary to immediately close off photo-thermal floor panel heating
System circulation, indoor heat is prevented to be scattered and disappeared by the system.
Total amount of heat qZ”：
qZ"=qS (15)
Wherein：
qZ" for the available total amount of heat of radiant floor heating system that under second extreme case, is proposed, W/m2。
3) photo-thermal radiant floor heating system can not provide heat, and photoelectricity radiant floor heating system can only provide less heat
Amount, major heat are provided by auxiliary thermal source.Total amount of heat qZ”’：
qZ" '=qPV+qS (16)
Wherein：
qZ" ' it is the available total amount of heat of radiant floor heating system that is proposed under the third extreme case, W/m2。
When photo-thermal radiant floor heating system can not provide heat, it is necessary to immediately close off photo-thermal radiant floor heating system
Circulation, prevents indoor heat to be scattered and disappeared by the system.
H. (direct current generates heat a kind of computational methods of Heating system of solar energy foor involved by the utility model patent
Cable), the available total amount of heat of proposed radiant floor heating system can be calculated.Remove extreme case, the total amount of heat
All provided by solar energy.The system that the utility model patent proposes is solar energy relative to the year amount of energy saving of legacy system
Available energy.
As shown in figure 1, unnecessary heat energy, which can be stored in water tank, can also be used for life heat；Unnecessary electric energy can be stored in
Household electricity is can also be used in battery.
Indoor Heating system of solar energy foor is laid with water pipe and direct current heating cable simultaneously, real using dual system
Now heat, indoor temperature can set and control.The thermal response of direct current heating cable is fast, and the radiation processes of hot water are slower, double systems
System operation can improve the stability of heat supply and the operational efficiency of system.In the case of sunny, preferentially using photo-thermal
Board radiation heating system is simultaneously aided with photoelectricity radiant floor heating system, and photovoltaic generation is mainly used in battery charging；Work as light intensity
Degree is reduced, and when indoor temperature can not reach setting value, rapid heat supply is realized using the electric energy for being obtained by photovoltaic generation and being stored.Pole
Hold under bad weather, when long-term luminous intensity is inadequate, it is straight that can connect charger using civil power after the power consumption of battery
Heating cable power supply is flowed to ensure indoor temperature, and the system instead of traditional Electric heating, improve energy use efficiency.
Substitute exchange heating cable using direct current heating cable, security and comfortableness can be greatly improved, avoid exchanging
The influence that the electromagnetic radiation of electricity is brought.The power output for controlling direct current heating cable using DC voltage regulator simultaneously is come in control room
Temperature, temperature-controlled precision can be greatly improved, reduce switch motion frequency.
Solar thermal collector gets up thermal energy collecting the water in heating water tank, and circulation power is provided by collection heat-exchanger pump.Water tank
Another loop be that indoor hot water circuit is carried out by heat supply water pump, so as to realize heating.Controller collection indoor temperature letter
Number, according to desired temperature, pass through the aperture of the electric control valve in fuzzy PID algorithm regulation heat supplying loop.Collect hot loop and
Heat supplying loop is respectively provided with temperature sensor and flow transmitter, collection and monitoring for temperature, flow and energy datum.Water
Fluid level transmitter is installed, controller decides whether moisturizing by liquid level signal in case.Controller can also be gathered and supervised
Control the run time of photo-thermal radiant floor heating system.Furthermore, it is possible to manually control water pump with automatic two kinds of control methods
Start and stop.
Solar panel converts solar energy into electric energy, by being conveyed to direct current voltage reulation after D.C. regulated power supply voltage stabilizing
Device, DC voltage regulator receive controller analog signal, control output voltage using PWM method, the DC voltage adjusted is straight
Flow heating cable power supply.Solar panel is battery floating charge while generating, and battery can carry for control system
For 48V and 24V direct currents.Diode is installed inside D.C. regulated power supply, battery current reversely charging solar-electricity can be prevented
Pond plate.Civil power 220V can be connect DC voltage regulator by charger and be powered for direct current heating cable, can also be in battery electric energy
In the case of deficiency, charged after connecing charger for battery, ensure the service life of battery.Whole photovoltaic power supply loop installation
There are multiple breakers and contactor to be used for remote control, automatically control and control manually.Current sensor and voltage sensor are used
In the monitoring of Current Voltage, by Monitoring Data decision-making system whether normal operation.Controller can also gather and monitor photoelectricity
The run time of radiant floor heating system.
Solar energy is substituted into traditional energy and carries out floor panel heating, the theory of energy-saving and emission-reduction has been fully demonstrated, has been the energy
Industry future developing direction.When outdoor solar light is insufficient for a long time, battery electric energy meeting wretched insufficiency, influences battery and use the longevity
Life, so the system devises and charger can be connect by civil power 220V is battery charging temporarily or using night paddy electricity is
Battery charges, and daytime puts into the scheme of heating system, so as to greatly save the energy.
Control system voluntarily have developed controller, whole heating system can be monitored and be controlled.The system is also set
Host computer interactive system has been counted, looking into for the display of system data and state, real-time curve and history curve is realized using touch-screen
The functions such as inquiry, the setting of temperature, the collection of user instruction, alarm, man-machine interface interaction are friendly.
The direct current supply of control system includes DC24V and DC48V, is provided by photovoltaic system；The Alternating Current Power Supply of control system
It is AC220V, is provided after being changed by photovoltaic generating system by inverter.It can be seen that whole control system power supply can be by itself
Photovoltaic generating system obtains, in region with abundant light supply, it is possible to achieve long-term self-powered off-grid operation.
The utility model patent is related to a kind of computational methods of Heating system of solar energy foor (direct current heating electric simultaneously
Cable).The computational methods include the available heat Calculation method of photo-thermal radiant floor heating system, photoelectricity floor panel heating system
The available total amount of heat computational methods of available heat Calculation method and system of uniting.Give available total amount of heat simultaneously
Available total amount of heat computational methods under modified computing method and extreme case.The utility model patent propose system relative to
The year amount of energy saving of legacy system is the available energy of solar energy.
The system can substitute traditional large scale system that central heating is carried out using fossil energy, have very strong flexible
Property, particularly there is good development prospect in the area for not possessing central heating.In addition, the system can also be applied to new energy
The experimental real-training teaching of specialty, is a set of multiple functional, theoretical and integrated practical operation actual training device, satisfiable real training item
Mesh includes：The experiment of different type solar panel energy conversion, the experiment of solar energy off-network electricity generation system, solar storage battery are deposited
Store up experiment, controller for solar research experiment, off-network inverter research experiment, the experiment of solar power system load characteristic, prison
Control operating energy loss experiment, Power Quality Detection experiment, the experiment of electricity floor heating system generating efficiency, electricity floor heating system performance testing reality
Test, the influence reality of the experiment of solar energy heating energy conversion principle, solar energy heat collection pipe characteristic test experiment, environment to photothermal deformation
Test, the connection of solar thermal utilization functional experiment, Solar Energy Heat Utilization System pipeline is tested, the application principle of solar thermal utilization is real
Test, the experiment of the operation principle of flat plate collector, the test of low-temperature radiant floor heating system and experiment, different type floor spoke
The contrast of heating system is penetrated with analyzing experiment, human comfort test and experiment etc..
In the case where not needing heating, the excess energy of the system can be stored or for basic living energy.
Heat energy can be stored in water tank, and electric energy can be stored in battery.The unnecessary energy can also meet basic use heat and power demand.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (4)
- A kind of 1. Heating system of solar energy foor, it is characterised in that：Including photo-thermal radiant floor heating system and photoelectrically Board radiation heating system；The photo-thermal radiant floor heating system includes heat supply water pipe, water tank, solar thermal collector；It is described too The thermal-arrest water inlet pipe and thermal-arrest return pipe of positive energy heat collector connect with the water tank respectively, and the thermal-arrest water inlet pipe is provided with exhaust Pipe and the first temperature sensor, second temperature sensor, first flow transmitter and collection are installed on the thermal-arrest return pipe Heat-exchanger pump；The water tank opposite side is connected with heat supply water inlet pipe and heat supply return pipe, heat supply water inlet pipe and heat supply return pipe difference It is connected with the both ends of heat supply water pipe, heat supply water pump, electric control valve, second flow pick-up is installed on the heat supply water inlet pipe Device, three-temperature sensor, the 4th temperature sensor is installed on the heat supply return pipe；The photoelectricity radiant floor heating system includes direct current heating cable, solar cell, direct current stabilizer, battery, straight Flow pressure regulator, inverter and charger；The electric energy of the solar cell collection sends institute to by the direct current stabilizer DC voltage regulator is stated, the output end of the DC voltage regulator is connected with direct current heating cable；The direct current stabilizer is also described Battery charges, and for the inverter parallel between direct current stabilizer and DC voltage regulator, it is the storage that the charger, which is used for, Battery charges and powered for the DC voltage regulator；The direct current heating cable and heat supply water pipe are laid on indoor floor simultaneously, are interweaved and are uniformly distributed, indoors Provided with Temperature Humidity Sensor.
- 2. Heating system of solar energy foor according to claim 1, it is characterised in that：The solar cell and institute State and dc circuit breaker K1 and D.C. contactor KM1 are connected with the circuit between direct current stabilizer, and a direct current in parallel Pressure sensor V1；Circuit between the direct current stabilizer and the DC voltage regulator is in series with DC current sensor A1, straight Flow current sensor A2, dc circuit breaker K2 and D.C. contactor KM2；The input parallel connection direct voltage sensor of battery V2；Dc circuit breaker K4 and D.C. contactor KM4 are connected with circuit between the charger and the battery；It is described to fill Dc circuit breaker K5 and D.C. contactor KM5 are connected with circuit between electrical equipment and the DC voltage regulator；The direct current is adjusted Dc circuit breaker K3, D.C. contactor KM3, direct current is connected with circuit between depressor and the direct current heating cable to spread Sensor A3, direct current voltage sensor V3.
- 3. Heating system of solar energy foor according to claim 2, it is characterised in that：Also include controller, it is described Controller includes DO1~DO8 ports, AI1~AI16 ports, AO1 ports, AO2 ports, power port and RS485 PORT COMs； Wherein o controller digital quantity in DO1~DO5 ports instructs, control D.C. contactor KM1~KM5 break-make, D.C. contactor The 48V direct currents that KM1~KM3 power supplies export from battery, the power supply of KM4 and KM5 coils turn straight from civil power Stream, the instruction of DO6~DO8 ports o controller digital quantity, control A.C. contactor KM6~KM8 break-make, power supply come from The 220V alternating currents of inverter output, contactor KM1~KM8 is correspondingly arranged HL1~HL8 indicator lamps, when coil obtain it is electric, it is corresponding to touch Point action, indicator lamp are bright；AI1~AI16 ports are used to gather the DC voltage and electric current, liquid on analog signalses, including loop Position transducer signal, indoor temperature and humidity sensor signal, collection hot loop and temperature and flow signal and electricity in heat supplying loop The open degree feedback signal of dynamic regulating valve；AO1 ports are used for the opening degree instruction for exporting electric control valve, and controller passes through fuzzy Algorithm, the aperture of electric control valve in heat supplying loop can be changed according to design temperature and actual temperature, so as to realize temperature control System；The analog signalses that controller is calculated for AO2 ports export corresponds to direct current voltage reulation to DC voltage regulator, analog signalses The output voltage of device, their relation substantially linear, so as to realize high-precision temperature control；Controller can be gathered and monitored The run time of photo-thermal radiant floor heating system and photoelectricity radiant floor heating system；Power port is provided for controller and come from The 24V direct currents of battery, this DC24V also power for touch-screen；Controller and touch-screen enter line number by RS485 PORT COMs According to mutual biography and shared, each collection numerical value of monitoring whole system, while user instruction can be received and carry out valve in real time on touch-screen The break-make of the control of door aperture and contactor controls；K10 is the dc circuit breaker on control system electric power loop, for control system Manual switching.
- 4. Heating system of solar energy foor according to claim 3, it is characterised in that：The output voltage of inverter is Collect heat-exchanger pump, heat supply water pump and moisturizing battery valve and 220V alternating currents are provided, K9 is total AC circuit breaker, and K6~K8 is each point AC circuit breaker in branch, KM6~KM8 are the A.C. contactors in each branch, KM6~KM8 coils obtain it is electric after can act and close Close, so as to start relevant device, under normal operation, breaker K1~K10 is in closure state, and system can be touched Shield long-distance centralized control and automatically control, upon occurrence of an emergency situation, the operation of breaker emergency-stop device can be passed through.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720851035.5U CN206929853U (en) | 2017-07-13 | 2017-07-13 | Heating system of solar energy foor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720851035.5U CN206929853U (en) | 2017-07-13 | 2017-07-13 | Heating system of solar energy foor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289493A (en) * | 2017-07-13 | 2017-10-24 | 天津中德应用技术大学 | Heating system of solar energy foor and its method of work, heat Calculation method |
| CN108535534A (en) * | 2018-05-25 | 2018-09-14 | 河北大业新能源科技有限公司 | A kind of electricity floor heating open circuit impacting with high pressure detector |
-
2017
- 2017-07-13 CN CN201720851035.5U patent/CN206929853U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289493A (en) * | 2017-07-13 | 2017-10-24 | 天津中德应用技术大学 | Heating system of solar energy foor and its method of work, heat Calculation method |
| CN108535534A (en) * | 2018-05-25 | 2018-09-14 | 河北大业新能源科技有限公司 | A kind of electricity floor heating open circuit impacting with high pressure detector |
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| CB03 | Change of inventor or designer information |
Inventor after: Chen Zijian Inventor after: Cao Baowen Inventor before: Cao Baowen Inventor before: Zhang Lian |
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Granted publication date: 20180126 Termination date: 20200713 |