CN110087347B - Energy-saving heating device and energy-saving method controlled by electric heat conversion - Google Patents
Energy-saving heating device and energy-saving method controlled by electric heat conversion Download PDFInfo
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- CN110087347B CN110087347B CN201910370109.7A CN201910370109A CN110087347B CN 110087347 B CN110087347 B CN 110087347B CN 201910370109 A CN201910370109 A CN 201910370109A CN 110087347 B CN110087347 B CN 110087347B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D13/00—Electric heating systems
- F24D13/02—Electric heating systems solely using resistance heating, e.g. underfloor heating
- F24D13/022—Electric heating systems solely using resistance heating, e.g. underfloor heating resistances incorporated in construction elements
- F24D13/024—Electric heating systems solely using resistance heating, e.g. underfloor heating resistances incorporated in construction elements in walls, floors, ceilings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1096—Arrangement or mounting of control or safety devices for electric heating systems
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/0252—Domestic applications
- H05B1/0275—Heating of spaces, e.g. rooms, wardrobes
- H05B1/0277—Electric radiators
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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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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses an energy-saving heating device and an energy-saving method controlled by electric-thermal conversion, which comprise an energy storage control system, an electric-thermal film heating system and a heating control system, wherein the energy storage control system converts solar energy into heat energy through a photovoltaic conversion effect to complete the charging of a storage battery and the storage of heating waste heat energy; the electric heating film heating system is used for adjusting the transfer function of heat supply to optimize the maximum utilization rate under the regulation and control of the heating control system, and stably heating the house through the interlayer electric heating film. The solar energy heat supply system increases the use of solar energy on the basis of the original heating device, and effectively processes the waste heat storage and battery charging and discharging processes required in the heating process, thereby enhancing the use efficiency of the heating device, completing the maximum energy utilization, and improving the economic benefit and the energy-saving effect of the heating device.
Description
Technical Field
The invention relates to an electric heating control technology, in particular to an energy-saving heating device controlled by electric heating conversion.
Background
In addition to the fact that heating devices have to be used on a large scale in northern China for weather reasons, heating devices are also used for directly heating indoor air rather than for transferring heat energy in the form of air flow disturbance, which is more comfortable for users than air conditioners, and therefore the continuous upgrading and research on heating devices has become a major concern for manufacturers today.
Heating device that uses in the market at present, in order to improve the quality problem of air, for example haze weather, the conversion from the natural gas to the electric energy is all being carried out to most. The mode has less air pollution, is favorable for improving the use structure of energy sources and promotes the overall effect of environmental protection. However, this single usage of electric energy means a large consumption of electric energy, and there is much room for improvement in economic efficiency.
If natural energy sources such as solar energy, wind energy and the like can be further used, the energy utilization of heat supply and heating can be further reduced; meanwhile, the heating mode is further used and calculated, and reasonable use of the heating can be enhanced, so that the heating waste heat can be consumed to the maximum extent by using the heating device, and the use efficiency of energy is enhanced.
Disclosure of Invention
The purpose of the invention is as follows: the utility model provides an energy-conserving heating device of electric heat conversion control to solve above-mentioned problem.
The technical scheme is as follows: an energy-saving heating device controlled by electric-heat conversion comprises an energy storage control system, an electric heating film heating system and a heating control system;
the energy storage control system is characterized by comprising an electric-thermal conversion control circuit which can be divided into a battery protection module, a photovoltaic charging module and a discharging module, can utilize solar energy to complete charging and discharging control on a storage battery, and simultaneously recycles the energy of the waste heat of a heating device, so that the utilization efficiency of the energy is improved;
the electrothermal film heating system adds a heating material which takes an electrothermal film as a main material in a wall interlayer of a room to complete heating of the whole room;
the heating control system corrects the transfer function by calculating the transfer function of the corresponding room heat energy according to the model building process, so that the specific heating temperature of the heating device is controlled, and the dual requirements of comfortable heating effect and maximized economic benefit are achieved;
the battery protection module comprises an integrated chip JP1, an integrated chip U1, a rectifier SCR1, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, an inductor L1, an inductor L2, a capacitor C2, a battery BT2 and a battery BT2, wherein a first pin of the integrated chip JP 2 is respectively connected with one end of the inductor L2, one end of the resistor R2 and a fourth pin of the integrated chip JP 2, the other end of the inductor L2 is respectively connected with the other end of the resistor R2 and one end of the resistor R2, a second pin of the integrated chip JP 2 and a fifth pin of the integrated chip JP 2 are both connected with a voltage signal VSS, a third pin of the integrated chip JP 2 is connected with one end of the resistor R2, the other end of the resistor R2 is respectively connected with one end of the resistor R2, one end of the resistor R2 and one end of the capacitor C2, and the other end of the capacitor R2 are respectively connected with the other end of the capacitor C2, A first pin of the integrated chip U1 and a sixth pin of the integrated chip U1 are connected, the other end of the resistor R3 is connected to a seventh pin of the integrated chip U1, the other end of the resistor R4 is connected to a fourth pin of the integrated chip U1 and one end of the inductor L2, the other end of the inductor L2 is connected to a third pin of the integrated chip U1, an eighth pin of the integrated chip U1 is connected to a positive electrode of the rectifier SCR1, a negative electrode of the rectifier SCR1 is connected to a negative electrode of the battery BT1, a reference terminal of the rectifier SCR1 is connected to a positive electrode of the battery BT1 and a negative electrode of the battery BT2, and a positive electrode of the battery BT2 is connected to a fifth pin of the integrated chip U1;
the photovoltaic charging module comprises an integrated chip U2, an operational amplifier AR1, a diode D1, a diode D2, a diode D3, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C8, a triode Q1, a triode Q2, a composite tube Q3, a MOS tube Q4, a MOS tube Q5, an adjustable resistor RV1, a bridge RB1, a resistor R6, a resistor R7, a resistor R8 and a resistor R8, wherein one end of the resistor R8 is connected with a second pin of the integrated chip U8, one end of the capacitor C8 is respectively connected with a G pole of the MOS tube Q8, one end of the resistor R8, a voltage signal and a positive pole VSS of the diode D8, the other end of the MOS tube Q8 is connected with one end of the MOS tube R8, and the other end of the MOS tube R8 are respectively connected with the ground of the MOS tube R8, and the other end of the MOS tube R8 is connected with the, One end of the resistor R11 is connected, the other end of the resistor R9 is connected to the eighth pin of the ic U2, the other end of the resistor R11 is connected to the sixth pin of the ic U2, the other end of the capacitor C4 is connected to one end of the resistor R10, the other end of the resistor R10 is connected to the seventh pin of the ic U2, the cathode of the diode D2 is connected to the fifth pin of the ic U6329, the other end of the resistor R13 is connected to the anode of the diode D3, the cathode of the diode D3 is connected to the fourth pin of the ic U2, the third pin of the ic U2 is connected to one end of the capacitor C5, the other end of the capacitor C5 is grounded to the first pin of the ic U2, one end of the resistor R15 is connected to the second pin of the ic U2, the other end of the resistor R15 is connected to the G5, a D electrode of the MOS transistor Q5 is connected to a first pin of the bridge RB1, a second pin of the bridge RB1 is connected to a ninth pin of the ic U2, a fourteenth pin of the ic U2 is open-circuited, a third pin of the bridge RB1 is connected to a first pin of the adjustable resistor RV1, a third pin of the adjustable resistor RV1, and a collector of the hybrid transistor Q3, a base of the hybrid transistor Q3 is connected to one end of the resistor R8 and one end of the capacitor C2, the other end of the resistor R8 is connected to a tenth pin of the ic U2 and the other end of the capacitor C2, an emitter of the hybrid transistor Q3 is connected to one end of the resistor R6, the other end of the resistor R6 is connected to a base of the transistor Q1, a collector of the transistor 539q 1 is connected to a negative electrode of the diode D1, a positive electrode of the diode D1 is connected to an eleventh pin 2 of the ic U2, an emitter of the transistor Q1 is connected to the other end of the resistor R14 and an emitter of the transistor Q2, a base of the transistor Q2 is connected to one end of the resistor R7, the other end of the resistor R7 is connected to one end of the capacitor C3, the other end of the capacitor C3 is connected to the second pin of the adjustable resistor RV1 and one end of the resistor R20, the other end of the resistor R20 is connected to the third pin of the operational amplifier AR1, a collector of the transistor Q2 is connected to the second pin of the operational amplifier AR1, one end of the resistor R19 and one end of the capacitor C8, the other end of the resistor R19 is connected to the sixth pin of the operational amplifier AR1, the first pin of the operational amplifier AR1 is connected to the fourth pin of the operational amplifier AR1, the fifth pin of the operational amplifier AR1, and a base of the transistor Q2 are connected to one end of the adjustable resistor R1, the resistor R36, The seventh pin of the operational amplifier AR1 and the eighth pin of the operational amplifier AR1 are both open-circuited;
the discharging module comprises an integrated chip U3, a transformer T1, a delay switch K1, a diode D4, a triode Q6, a triode Q7, an inductor L3, an inductor L4, a capacitor C6, a capacitor C7, a fuse F1, a bell LS1, an adjustable resistor RV2, a resistor R16, a resistor R17, a resistor R18, a resistor R21, a resistor R22 and a resistor R23, wherein the S pole of the MOS tube Q5 is respectively connected with the anode of the diode D4 and one end of the resistor R16, the other end of the resistor R16 is respectively connected with one end of the resistor R17 and one end of the capacitor C6, the other end of the capacitor C6 is grounded, the other end of the resistor R17 is connected with a voltage signal VSS, the cathode of the diode D4 is connected with a first pin of the transformer T1, the second pin of the transformer T1 is connected with one end of the resistor R18, and the other end of the resistor R8536 is connected with a voltage signal VDD 18, a third pin of the transformer T1 is connected to a collector of the transistor Q6, a fourth pin of the bridge RB1 is connected to a base of the transistor Q6, an emitter of the transistor Q6 is connected to one end of the inductor L4, the other end of the inductor L4 is connected to a fifth pin of the ic U3, a fourth pin of the transformer T1 is connected to one end of the inductor L3 and one end of the capacitor C7, the other end of the inductor L3 is grounded, the other end of the capacitor C7 is connected to the first pin of the ic U3, the eighth pin of the ic U3 is grounded, a fourth pin of the ic U3 is connected to one end of the resistor R21, the other end of the resistor R21 is connected to the sixteenth pin of the ic U3 and the voltage signal Vin, and a seventh pin of the ic U3 is connected to one end of the resistor R22, the other end of the resistor R22 is connected to the first pin of the delay switch K1, the ninth pin of the integrated chip U3 is connected to the second pin of the delay switch K1, the other end of the capacitor C8 is connected to the twelfth pin of the integrated chip U3, the fourteenth pin of the integrated chip U3 is connected to a voltage signal Vout, the second pin of the integrated chip U3 is connected to the third pin of the integrated chip U3, the sixth pin of the integrated chip U3, the tenth pin of the integrated chip U3, the eleventh pin of the integrated chip U3, the thirteenth pin of the integrated chip U3 and the fifteenth pin of the integrated chip U3, the third pin of the delay switch K1 is connected to the second pin of the adjustable resistor RV2, the first pin of the adjustable resistor RV2 is connected to the third pin of the adjustable resistor RV2, The collector of the triode Q7, one end of the fuse F1 and one end of the electric bell LS1 are connected, the fourth pin of the delay switch K1 is connected with one end of the resistor R23, the other end of the resistor R23 is connected with the base of the triode Q7, and the emitter of the triode Q7 is grounded with the other end of the electric bell LS1 and the other end of the fuse F1.
According to one aspect of the invention, the capacitor C1 is respectively connected to the first pin of the ic U1 and the seventh pin branch of the ic U1, and protects and monitors the battery voltage.
According to one aspect of the invention, the reference terminal of the rectifier SCR1 is connected with the connection intersection point of the positive electrode of the battery BT1 and the negative electrode of the battery BT2, so that the forced power supply generated by misoperation on the external battery is realized, and the damage to the battery is avoided.
According to one aspect of the present invention, the voltage signal VSS is a constant voltage input, which ensures that no overcharge occurs during the charging of the battery.
According to an aspect of the present invention, as the voltage of the charging battery rises, the current on the charging branch will decrease, and the diode D1 is a light emitting diode, and the light emitting state gradually extinguishes in the process, so as to indicate the charging condition of the battery; the diodes D2 and D3 are photodiodes, which can further convert solar energy into electrical energy for charging by using the photovoltaic effect.
According to an aspect of the invention, the fuse F1 and the electric bell LS1 are connected in parallel to form a control end of a discharge branch, in order to ensure that a proper amount of electricity is still reserved in the discharge process, so as to prolong the service life of the battery, the output quantity of current is controlled by using the fuse F1, when the output quantity of current is excessive, the fuse F1 is disconnected, and the electric bell LS1 is connected and gives an alarm sound.
The energy-saving method based on the energy-saving heating device comprises the following steps of constructing a heat transfer function, carrying out formula calculation on the existing heat storage condition in real time according to the record of the stored indoor temperature and the formula of heat transfer in the house, and further reflecting the existing optimal operation mode of heating in real time, wherein the specific steps are as follows:
Q＝E1+J1(1-k2)-J2(1-k1)+∑a*k1，
H＝Q/E1，
H＝1+J1(1-k2)/E1-J2(1-k1)/E1+1/E1(∑a*k1)；
step 21, calculating the space size of the room using the heating device, and recording the space size as V1;
step 22, according to a heating empirical formula, combining the space size V1 of the house with three data of the total amount Q1 of heating and the existing heating temperature T1 to obtain a heating stability coefficient M, wherein the calculation formula of M is as follows:
M＝Q1/V1+V1*T1/Q1；
step 23, completing the final formula of the transfer function, specifically:
H＝{1+J1(1-k2)/E1-J2(1-k1)/E1+1/E1(∑a*k1)}*M；
According to one aspect of the invention, the calculation process of the magnitude of the transfer function H is always closely related to the space used by the heating device, the existing heating temperature setting is automatically adjusted within plus and minus two degrees Celsius, the sensible temperature in the room is ensured to be always stably superposed with the manual setting value, and meanwhile, the surplus heat is effectively utilized.
According to one aspect of the invention, the temperature regulation and control mode always takes PID control as a core step, so that the necessary requirement of high temperature coincidence is met, and the temperature curve is effectively monitored and managed in real time.
Has the advantages that: the solar energy conversion circuit structure can solve the technical difficulty that the energy consumption of a heating device is higher in the prior art, the solar energy is used for controlling the charging and discharging of the heating battery by using the solar energy, and the solar energy and the indoor residual heat are fed back to the heating device to enhance the utilization rate of the heat; aiming at the problem of accurate temperature measurement caused by a double-path energy storage mode using solar energy and heat allowance, a method for correcting a heat energy transfer function is further used, and real-time adjustment of the temperature is enhanced.
Drawings
FIG. 1 is a functional framework diagram of the system of the present invention.
Fig. 2 is a schematic diagram of an electrothermal conversion control circuit of the present invention.
Fig. 3 is a schematic diagram of the energy flow inside the house of the present invention.
Detailed Description
As shown in fig. 1, in this embodiment, an energy-saving heating device controlled by electric-to-heat conversion includes an energy storage control system, an electric heating film heating system and a heating control system;
the energy storage control system is characterized by comprising an electric-thermal conversion control circuit which can be divided into a battery protection module, a photovoltaic charging module and a discharging module, can utilize solar energy to complete charging and discharging control on a storage battery, and simultaneously recycles the energy of the waste heat of a heating device, so that the utilization efficiency of the energy is improved;
the electrothermal film heating system adds a heating material which takes an electrothermal film as a main material in a wall interlayer of a room to complete heating of the whole room;
the heating control system corrects the transfer function by calculating the transfer function of the corresponding room heat energy according to the model building process, so that the specific heating temperature of the heating device is controlled, and the dual requirements of comfortable heating effect and maximized economic benefit are achieved;
the battery protection module comprises an integrated chip JP1, an integrated chip U1, a rectifier SCR1, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, an inductor L1, an inductor L2, a capacitor C2, a battery BT2 and a battery BT2, wherein a first pin of the integrated chip JP 2 is respectively connected with one end of the inductor L2, one end of the resistor R2 and a fourth pin of the integrated chip JP 2, the other end of the inductor L2 is respectively connected with the other end of the resistor R2 and one end of the resistor R2, a second pin of the integrated chip JP 2 and a fifth pin of the integrated chip JP 2 are both connected with a voltage signal VSS, a third pin of the integrated chip JP 2 is connected with one end of the resistor R2, the other end of the resistor R2 is respectively connected with one end of the resistor R2, one end of the resistor R2 and one end of the capacitor C2, and the other end of the capacitor R2 are respectively connected with the other end of the capacitor C2, A first pin of the integrated chip U1 and a sixth pin of the integrated chip U1 are connected, the other end of the resistor R3 is connected to a seventh pin of the integrated chip U1, the other end of the resistor R4 is connected to a fourth pin of the integrated chip U1 and one end of the inductor L2, the other end of the inductor L2 is connected to a third pin of the integrated chip U1, an eighth pin of the integrated chip U1 is connected to a positive electrode of the rectifier SCR1, a negative electrode of the rectifier SCR1 is connected to a negative electrode of the battery BT1, a reference terminal of the rectifier SCR1 is connected to a positive electrode of the battery BT1 and a negative electrode of the battery BT2, and a positive electrode of the battery BT2 is connected to a fifth pin of the integrated chip U1;
the photovoltaic charging module comprises an integrated chip U2, an operational amplifier AR1, a diode D1, a diode D2, a diode D3, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C8, a triode Q1, a triode Q2, a composite tube Q3, a MOS tube Q4, a MOS tube Q5, an adjustable resistor RV1, a bridge RB1, a resistor R6, a resistor R7, a resistor R8 and a resistor R8, wherein one end of the resistor R8 is connected with a second pin of the integrated chip U8, one end of the capacitor C8 is respectively connected with a G pole of the MOS tube Q8, one end of the resistor R8, a voltage signal and a positive pole VSS of the diode D8, the other end of the MOS tube Q8 is connected with one end of the MOS tube R8, and the other end of the MOS tube R8 are respectively connected with the ground of the MOS tube R8, and the other end of the MOS tube R8 is connected with the, One end of the resistor R11 is connected, the other end of the resistor R9 is connected to the eighth pin of the ic U2, the other end of the resistor R11 is connected to the sixth pin of the ic U2, the other end of the capacitor C4 is connected to one end of the resistor R10, the other end of the resistor R10 is connected to the seventh pin of the ic U2, the cathode of the diode D2 is connected to the fifth pin of the ic U6329, the other end of the resistor R13 is connected to the anode of the diode D3, the cathode of the diode D3 is connected to the fourth pin of the ic U2, the third pin of the ic U2 is connected to one end of the capacitor C5, the other end of the capacitor C5 is grounded to the first pin of the ic U2, one end of the resistor R15 is connected to the second pin of the ic U2, the other end of the resistor R15 is connected to the G5, a D electrode of the MOS transistor Q5 is connected to a first pin of the bridge RB1, a second pin of the bridge RB1 is connected to a ninth pin of the ic U2, a fourteenth pin of the ic U2 is open-circuited, a third pin of the bridge RB1 is connected to a first pin of the adjustable resistor RV1, a third pin of the adjustable resistor RV1, and a collector of the hybrid transistor Q3, a base of the hybrid transistor Q3 is connected to one end of the resistor R8 and one end of the capacitor C2, the other end of the resistor R8 is connected to a tenth pin of the ic U2 and the other end of the capacitor C2, an emitter of the hybrid transistor Q3 is connected to one end of the resistor R6, the other end of the resistor R6 is connected to a base of the transistor Q1, a collector of the transistor 539q 1 is connected to a negative electrode of the diode D1, a positive electrode of the diode D1 is connected to an eleventh pin 2 of the ic U2, an emitter of the transistor Q1 is connected to the other end of the resistor R14 and an emitter of the transistor Q2, a base of the transistor Q2 is connected to one end of the resistor R7, the other end of the resistor R7 is connected to one end of the capacitor C3, the other end of the capacitor C3 is connected to the second pin of the adjustable resistor RV1 and one end of the resistor R20, the other end of the resistor R20 is connected to the third pin of the operational amplifier AR1, a collector of the transistor Q2 is connected to the second pin of the operational amplifier AR1, one end of the resistor R19 and one end of the capacitor C8, the other end of the resistor R19 is connected to the sixth pin of the operational amplifier AR1, the first pin of the operational amplifier AR1 is connected to the fourth pin of the operational amplifier AR1, the fifth pin of the operational amplifier AR1, and a base of the transistor Q2 are connected to one end of the adjustable resistor R1, the resistor R36, The seventh pin of the operational amplifier AR1 and the eighth pin of the operational amplifier AR1 are both open-circuited;
the discharging module comprises an integrated chip U3, a transformer T1, a delay switch K1, a diode D4, a triode Q6, a triode Q7, an inductor L3, an inductor L4, a capacitor C6, a capacitor C7, a fuse F1, a bell LS1, an adjustable resistor RV2, a resistor R16, a resistor R17, a resistor R18, a resistor R21, a resistor R22 and a resistor R23, wherein the S pole of the MOS tube Q5 is respectively connected with the anode of the diode D4 and one end of the resistor R16, the other end of the resistor R16 is respectively connected with one end of the resistor R17 and one end of the capacitor C6, the other end of the capacitor C6 is grounded, the other end of the resistor R17 is connected with a voltage signal VSS, the cathode of the diode D4 is connected with a first pin of the transformer T1, the second pin of the transformer T1 is connected with one end of the resistor R18, and the other end of the resistor R8536 is connected with a voltage signal VDD 18, a third pin of the transformer T1 is connected to a collector of the transistor Q6, a fourth pin of the bridge RB1 is connected to a base of the transistor Q6, an emitter of the transistor Q6 is connected to one end of the inductor L4, the other end of the inductor L4 is connected to a fifth pin of the ic U3, a fourth pin of the transformer T1 is connected to one end of the inductor L3 and one end of the capacitor C7, the other end of the inductor L3 is grounded, the other end of the capacitor C7 is connected to the first pin of the ic U3, the eighth pin of the ic U3 is grounded, a fourth pin of the ic U3 is connected to one end of the resistor R21, the other end of the resistor R21 is connected to the sixteenth pin of the ic U3 and the voltage signal Vin, and a seventh pin of the ic U3 is connected to one end of the resistor R22, the other end of the resistor R22 is connected to the first pin of the delay switch K1, the ninth pin of the integrated chip U3 is connected to the second pin of the delay switch K1, the other end of the capacitor C8 is connected to the twelfth pin of the integrated chip U3, the fourteenth pin of the integrated chip U3 is connected to a voltage signal Vout, the second pin of the integrated chip U3 is connected to the third pin of the integrated chip U3, the sixth pin of the integrated chip U3, the tenth pin of the integrated chip U3, the eleventh pin of the integrated chip U3, the thirteenth pin of the integrated chip U3 and the fifteenth pin of the integrated chip U3, the third pin of the delay switch K1 is connected to the second pin of the adjustable resistor RV2, the first pin of the adjustable resistor RV2 is connected to the third pin of the adjustable resistor RV2, The collector of the triode Q7, one end of the fuse F1 and one end of the electric bell LS1 are connected, the fourth pin of the delay switch K1 is connected with one end of the resistor R23, the other end of the resistor R23 is connected with the base of the triode Q7, and the emitter of the triode Q7 is grounded with the other end of the electric bell LS1 and the other end of the fuse F1.
In a further embodiment, the capacitor C1 is connected to the first pin of the ic U1 and the seventh pin branch of the ic U1, respectively, to protect and monitor the battery voltage.
In a further embodiment, during the charging process of the capacitor C1, a small current can be stably input to the seventh pin of the ic U1, so as to ensure the continuous operation of the ic U1; in the discharging process of the capacitor C1, current can be stably input to the first pin of the ic U1 and the sixth pin of the ic U1, so that the battery internal protection circuit can operate in a stable operating current environment.
In a further embodiment, the reference terminal of the rectifier SCR1 is connected to the junction of the positive electrode of the battery BT1 and the negative electrode of the battery BT2, so as to avoid damage to the battery by forcing power supply to the external battery due to malfunction.
In a further embodiment, under the regulation of the adjustable resistor RV1, the collector of the composite tube Q3 performs current regulation, so that the current magnitude of the charging of the storage battery is controlled; the composite tube Q3 is connected with a symmetrical branch consisting of the triode Q1 and the triode Q2, so that the phenomenon of overcurrent is avoided in the charging process of the storage battery, and the charging current is symmetrically dispersed.
In a further embodiment, the voltage signal VSS is a constant voltage input, which ensures that no overcharge occurs during charging the battery.
In a further embodiment, as the voltage of the charging battery rises, the current on the charging branch will decrease, and the diode D1 is a light emitting diode, and the light emitting state gradually extinguishes in the process, so as to indicate the charging condition of the battery; the diodes D2 and D3 are photodiodes, which can further convert solar energy into electrical energy for charging by using the photovoltaic effect.
In a further embodiment, the base of the MOS transistor Q5 performs charge accumulation of photovoltaic effect converted charges, and under the control of the bridge RB1, the current flowing through the resistor R16 is compared with the control voltage before the voltage transformation of the discharge branch, so that the uniformity of the charge-discharge equation is ensured, and no fault is caused in the charge process or the discharge process due to convection.
In a further embodiment, the fuse F1 and the electric bell LS1 are connected in parallel to form a control end of a discharge branch, in order to ensure that a proper amount of electricity is still reserved in the discharge process, so as to prolong the service life of the battery, the output quantity of current is controlled by using the fuse F1, when the output quantity of current is excessive, the fuse F1 is disconnected, and the electric bell LS1 is connected and gives an alarm sound.
In a further embodiment, the delay switch K1 ensures that the stable operation of the circuit is still maintained when the overcurrent occurs through the delayed output of the current, performs delayed shunting in advance, provides time for current adjustment after the overcurrent condition is measured, and maintains the stability and safety of the operation of the circuit.
A heat transfer function modeling method is characterized in that according to the record of stored indoor temperature, a formula of heat transfer in a house is combined, formula calculation is carried out on the existing heat storage condition, and therefore the optimal operation mode of existing heating is reflected in real time, and the specific steps are as follows:
Q＝E1+J1(1-k2)-J2(1-k1)+∑a*k1，
H＝Q/E1，
H＝1+J1(1-k2)/E1-J2(1-k1)/E1+ 1/E1(∑a*k1)；
step 21, calculating the space size of the room using the heating device, and recording the space size as V1;
step 22, according to a heating empirical formula, combining the space size V1 of the house with three data of the total amount Q1 of heating and the existing heating temperature T1 to obtain a heating stability coefficient M, wherein the calculation formula of M is as follows:
M＝Q1/V1+V1*T1/Q1；
step 23, completing the final formula of the transfer function, specifically:
H＝{1+J1(1-k2)/E1-J2(1-k1)/E1+ 1/E1(∑a*k1)}*M；
In a further embodiment, if the calculated transfer function H is 4, continuous floor heating supply can be performed indoors; if the supply of the heating air needs to be stopped after the expected time, the available time of the residual heat of the heating air can be calculated through the value of the current transfer function H, so that the requirement that the heating air still keeps the required room temperature is further cut off in advance.
In a further embodiment, the calculation process of the size of the transfer function H is always closely related to the size of the space used by the heating device, automatic adjustment within plus and minus two degrees celsius is performed on the existing heating temperature setting, it is ensured that the indoor sensible temperature and the manual setting value are always stably superposed, and meanwhile, the excess heat is effectively utilized.
In a further embodiment, the temperature regulation and control mode always uses PID control as a core step, so that the necessary requirement of high temperature coincidence is met, and a temperature curve is effectively monitored and managed in real time.
In summary, the present invention has the following advantages: the solar energy is utilized by utilizing the photovoltaic effect, so that the energy use in the electric quantity storage and discharge processes of the storage battery is saved; meanwhile, the heating heat allowance in the room is measured and calculated, and the recycling of the part of energy is enhanced; the heat transfer function in the heating room is corrected in real time, the stable coincidence of the sensible temperature and the set temperature is guaranteed, the energy utilization rate of the whole device is high, and the energy-saving effect and the economic benefit are superior.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.
Claims (8)
1. An energy-saving heating device controlled by electric-heat conversion comprises an energy storage control system, an electric heating film heating system and a heating control system;
the energy storage control system is characterized by comprising an electric-heat conversion control circuit which is divided into a battery protection module, a photovoltaic charging module and a discharging module, the charging and discharging control of a storage battery is completed by utilizing solar energy, and meanwhile, the energy is recycled by utilizing the waste heat of a heating device, so that the utilization efficiency of the energy is improved;
the electrothermal film heating system adds a heating material which takes an electrothermal film as a main material in a wall interlayer of a room to complete heating of the whole room;
the heating control system corrects the transfer function by calculating the transfer function of the corresponding room heat energy according to the model building process, so that the specific heating amount and heating time of the heating device are controlled, and the dual requirements of comfortable heating effect and maximized economic benefit are achieved;
the battery protection module comprises an integrated chip JP1, an integrated chip U1, a rectifier SCR1, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, an inductor L1, an inductor L2, a capacitor C2, a battery BT2 and a battery BT2, wherein a first pin of the integrated chip JP 2 is respectively connected with one end of the inductor L2, one end of the resistor R2 and a fourth pin of the integrated chip JP 2, the other end of the inductor L2 is respectively connected with the other end of the resistor R2 and one end of the resistor R2, a second pin of the integrated chip JP 2 and a fifth pin of the integrated chip JP 2 are both connected with a voltage signal VSS, a third pin of the integrated chip JP 2 is connected with one end of the resistor R2, the other end of the resistor R2 is respectively connected with one end of the resistor R2, one end of the resistor R2 and one end of the capacitor C2, and the other end of the capacitor R2 are respectively connected with the other end of the capacitor C2, A first pin of the integrated chip U1 and a sixth pin of the integrated chip U1 are connected, the other end of the resistor R3 is connected to a seventh pin of the integrated chip U1, the other end of the resistor R4 is connected to a fourth pin of the integrated chip U1 and one end of the inductor L2, the other end of the inductor L2 is connected to a third pin of the integrated chip U1, an eighth pin of the integrated chip U1 is connected to a positive electrode of the rectifier SCR1, a negative electrode of the rectifier SCR1 is connected to a negative electrode of the battery BT1, a reference terminal of the rectifier SCR1 is connected to a positive electrode of the battery BT1 and a negative electrode of the battery BT2, and a positive electrode of the battery BT2 is connected to a fifth pin of the integrated chip U1;
the photovoltaic charging module comprises an integrated chip U2, an operational amplifier AR1, a diode D1, a diode D2, a diode D3, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C8, a triode Q1, a triode Q2, a composite tube Q3, a MOS tube Q4, a MOS tube Q5, an adjustable resistor RV1, a bridge RB1, a resistor R6, a resistor R7, a resistor R8 and a resistor R8, wherein one end of the resistor R8 is connected with a second pin of the integrated chip U8, one end of the capacitor C8 is respectively connected with a G pole of the MOS tube Q8, one end of the resistor R8, a voltage signal and a positive pole VSS of the diode D8, the other end of the MOS tube Q8 is connected with one end of the MOS tube R8, and the other end of the MOS tube R8 are respectively connected with the ground of the MOS tube R8, and the other end of the MOS tube R8 is connected with the, One end of the resistor R11 is connected, the other end of the resistor R9 is connected to the eighth pin of the ic U2, the other end of the resistor R11 is connected to the sixth pin of the ic U2, the other end of the capacitor C4 is connected to one end of the resistor R10, the other end of the resistor R10 is connected to the seventh pin of the ic U2, the cathode of the diode D2 is connected to the fifth pin of the ic U6329, the other end of the resistor R13 is connected to the anode of the diode D3, the cathode of the diode D3 is connected to the fourth pin of the ic U2, the third pin of the ic U2 is connected to one end of the capacitor C5, the other end of the capacitor C5 is grounded to the first pin of the ic U2, one end of the resistor R15 is connected to the second pin of the ic U2, the other end of the resistor R15 is connected to the G5, a D electrode of the MOS transistor Q5 is connected to a first pin of the bridge RB1, a second pin of the bridge RB1 is connected to a ninth pin of the ic U2, a fourteenth pin of the ic U2 is open-circuited, a third pin of the bridge RB1 is connected to a first pin of the adjustable resistor RV1, a third pin of the adjustable resistor RV1, and a collector of the hybrid transistor Q3, a base of the hybrid transistor Q3 is connected to one end of the resistor R8 and one end of the capacitor C2, the other end of the resistor R8 is connected to a tenth pin of the ic U2 and the other end of the capacitor C2, an emitter of the hybrid transistor Q3 is connected to one end of the resistor R6, the other end of the resistor R6 is connected to a base of the transistor Q1, a collector of the transistor 539q 1 is connected to a negative electrode of the diode D1, a positive electrode of the diode D1 is connected to an eleventh pin 2 of the ic U2, an emitter of the transistor Q1 is connected to the other end of the resistor R14 and an emitter of the transistor Q2, a base of the transistor Q2 is connected to one end of the resistor R7, the other end of the resistor R7 is connected to one end of the capacitor C3, the other end of the capacitor C3 is connected to the second pin of the adjustable resistor RV1 and one end of the resistor R20, the other end of the resistor R20 is connected to the third pin of the operational amplifier AR1, a collector of the transistor Q2 is connected to the second pin of the operational amplifier AR1, one end of the resistor R19 and one end of the capacitor C8, the other end of the resistor R19 is connected to the sixth pin of the operational amplifier AR1, a first pin of the operational amplifier AR1 is connected to the fourth pin of the operational amplifier AR1, the fifth pin of the operational amplifier AR1, the seventh pin of the operational amplifier AR1, The eighth pins of the operational amplifiers AR1 are all open circuits;
the discharging module comprises an integrated chip U3, a transformer T1, a delay switch K1, a diode D4, a triode Q6, a triode Q7, an inductor L3, an inductor L4, a capacitor C6, a capacitor C7, a fuse F1, an electric bell LS1, an adjustable resistor RV2, a resistor R16, a resistor R17, a resistor R18, a resistor R21, a resistor R22 and a resistor R23, wherein the S pole of the MOS transistor Q5 is respectively connected with the anode of the diode D4 and one end of the resistor R16, the other end of the resistor R16 is respectively connected with one end of the resistor R17 and one end of the capacitor C6, the other end of the capacitor C6 is grounded, the other end of the resistor R17 is connected with a voltage signal VSS, the cathode of the diode D4 is connected with a first pin of the transformer T1, the second pin of the transformer T1 is connected with one end of the resistor R1, the other end of the resistor R18 is connected with a collector of the triode Q18, and the collector of the third resistor VDD 18 is connected with the third triode 18, a fourth pin of the bridge RB1 is connected to a base of the transistor Q6, an emitter of the transistor Q6 is connected to one end of the inductor L4, the other end of the inductor L4 is connected to a fifth pin of the ic U3, a fourth pin of the transformer T1 is connected to one end of the inductor L3 and one end of the capacitor C7, the other end of the inductor L3 is grounded, the other end of the capacitor C7 is connected to the first pin of the ic U3, the eighth pin of the ic U3 is grounded, the fourth pin of the ic U3 is connected to one end of the resistor R21, the other end of the resistor R21 is connected to a sixteenth pin of the ic U3 and a voltage signal, a seventh pin of the ic U3 is connected to one end of the resistor R22, and the other end of the resistor 539r 22 is connected to the first pin of the delay switch K1, a ninth pin of the integrated chip U3 is connected to the second pin of the delay switch K1, the other end of the capacitor C8 is connected to the twelfth pin of the integrated chip U3, a fourteenth pin of the integrated chip U3 is connected to a voltage signal Vout, a second pin of the integrated chip U3 is connected to the third pin of the integrated chip U3, the sixth pin of the integrated chip U3, the tenth pin of the integrated chip U3, the eleventh pin of the integrated chip U3, the thirteenth pin of the integrated chip U3 and the fifteenth pin of the integrated chip U3, the third pin of the delay switch K1 is connected to the second pin of the adjustable resistor RV2, the first pin of the adjustable resistor RV2 is connected to the third pin of the adjustable resistor RV2, the collector of the triode Q7, one end of the fuse F1 and one end of the electric bell 1, a fourth pin of the delay switch K1 is connected to one end of the resistor R23, the other end of the resistor R23 is connected to the base of the transistor Q7, and the emitter of the transistor Q7 is grounded to the other end of the electric bell LS1 and the other end of the fuse F1.
2. The device of claim 1, wherein the capacitor C1 is connected to the first pin of the ic U1 and the seventh pin of the ic U1 respectively, so as to protect and monitor the battery voltage.
3. An energy-saving heating device controlled by electrothermal conversion as claimed in claim 1, wherein the voltage signal VSS is a constant voltage input to ensure that no overcharge occurs during the charging of the battery.
4. An electrothermal conversion controlled energy-saving heating device according to claim 1, wherein as the voltage of the charging battery rises, the current in the charging branch decreases, and the diode D1 is a light emitting diode, and the light emitting state gradually goes off in the process to indicate the charging condition of the battery; the diodes D2 and D3 are photodiodes, which further convert solar energy into electrical energy for charging by means of the photovoltaic effect.
5. An energy-saving heating device controlled by electrothermal conversion according to claim 1, wherein the fuse F1 is connected in parallel with the bell LS1 to form a control end for the discharging branch, in order to ensure that the proper amount of electricity is still retained during the discharging process, thereby prolonging the service life of the battery, the fuse F1 is used to control the output of the current, when the output of the current is too much, the fuse F1 is turned off, and the bell LS1 is turned on to give an alarm.
6. An energy-saving method based on the energy-saving heating device of any one of claims 1 to 5, characterized in that
The method comprises the following steps of constructing a heat transfer model, carrying out formula calculation on the existing ongoing heat storage condition according to the record of stored indoor temperature and by combining a formula of heat transfer in a house, and reflecting the existing optimal operation mode of heating in real time, wherein the method comprises the following specific steps:
step 1, establishing a heat transfer function;
step 11, the indoor heat transfer function is established mainly according to the electric heat membrane to the room air carry out heat transfer and the indoor air carries out heat transmission's heat quantity difference to the outdoor air, set for indoor heat to be Q, indoor normal atmospheric temperature heat is E1, J1 is electric heat membrane heat transfer, k1 is the heat loss coefficient of transmission, J2 is indoor to outdoor heat transfer, k2 is the separation coefficient to outdoor heat transfer in-process wall, a is the indoor retention coefficient of heat loss, then indoor thermal computational formula is:
Q=E1+J1（1-k2）-J2（1-k1）+∑a*k1 ，
step 12, further obtaining a heat transfer function, specifically:
H=Q/E1，
H=1+ J1（1-k2）/E1-J2（1-k1）/E1+1/E1(∑a*k1) ;
step 2, adjusting the transfer function by combining the existing temperature record;
step 21, calculating the space size of the room using the heating device, and recording the space size as V1;
step 22, according to a heating empirical formula, combining the space size V1 of the house with three data of the total amount Q1 of heating and the existing heating temperature T1 to obtain a heating stability coefficient M, wherein the calculation formula of M is as follows:
M=Q1/V1+V1*T1/Q1 ；
step 23, completing the final formula of the transfer function, specifically:
H={1+ J1（1-k2）/E1-J2（1-k1）/E1+1/E1(∑a*k1)}*M；
step 3, selecting a corresponding heating mode according to the existing heat storage mode; according to the actual data situation, calculating the size of a transfer function H, which is a size representation of the heat preservation capacity of the existing house, and when H is between 0 and 5, the heat preservation capacity is weak; h is between 5 and 10, which indicates moderate heat preservation capability; when H is more than 10, the heat-retaining ability is high.
7. The energy saving method according to claim 6, wherein the calculation process of the magnitude of the transfer function H is always closely related to the size of the space used by the heating device, the existing heating temperature setting is automatically adjusted within plus and minus two degrees Celsius, the sensible temperature in the room is always stably coincided with the manual setting value, and the surplus heat is effectively utilized.
8. The energy-saving method according to claim 6, wherein the temperature control mode always uses PID control as a core step, so as to ensure that the necessary requirement of high temperature coincidence is met, and the temperature curve is effectively monitored and managed in real time.
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| CN202010134715.1A CN111315043A (en) | 2019-05-06 | 2019-05-06 | Energy-saving heating device and energy-saving method controlled by electric heat conversion |
| CN201910370109.7A CN110087347B (en) | 2019-05-06 | 2019-05-06 | Energy-saving heating device and energy-saving method controlled by electric heat conversion |
| PCT/CN2020/077102 WO2020224313A2 (en) | 2019-05-06 | 2020-02-28 | Energy-saving heating apparatus having electric heating conversion control, and energy-saving method |
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| CN112212393B (en) * | 2020-08-28 | 2021-10-15 | 南京瑞贻电子科技有限公司 | Energy-saving heating device and energy-saving method of electric heater |
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| CN204923184U (en) * | 2015-08-05 | 2015-12-30 | 上海热丽科技集团有限公司 | Photovoltaic directly drives electric heating system |
| CN105846514A (en) * | 2016-05-26 | 2016-08-10 | 成都思博特科技有限公司 | Battery protection based solar energy power supply building energy-saving monitoring system |
| CN207298957U (en) * | 2017-05-04 | 2018-05-01 | 广东省技术经济研究发展中心 | A kind of energy-saving combustion heating plant |
| CN208332438U (en) * | 2018-06-22 | 2019-01-04 | 内蒙古工业大学 | Solar energy heating installation complementary with heat pump |
| CN109556168A (en) * | 2018-11-26 | 2019-04-02 | 安徽小烯新材料科技有限公司 | A kind of graphene electric heating thin-film equipment |
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