CN108954468A - A kind of phase-change thermal storage peak valley heating system and its heating method - Google Patents
A kind of phase-change thermal storage peak valley heating system and its heating method Download PDFInfo
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- CN108954468A CN108954468A CN201810518296.4A CN201810518296A CN108954468A CN 108954468 A CN108954468 A CN 108954468A CN 201810518296 A CN201810518296 A CN 201810518296A CN 108954468 A CN108954468 A CN 108954468A
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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
- F24D13/04—Electric heating systems using electric heating of heat-transfer fluid in separate units of the system
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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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- 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
- F24D2200/00—Heat sources or energy sources
- F24D2200/08—Electric heater
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Abstract
The present invention provides a kind of phase-change thermal storage peak valley heating system and methods, the phase-change thermal storage peak valley heating system has phase change material device, electric heating tube, water circulating pump, recirculated water network pipeline and heating control system, the phase change material device includes the middle low-temperature phase-change material being mounted in cabinet, lagging casing, heating control system control electric heating tube starts when night paddy electricity, for phase change material device heat accumulation, and the power output size of electric heating tube is controlled according to calorie value size dynamic in phase change material device, and the Yu Feng electricity moment stops electric heating tube, by recirculated water network pipeline out of phase change material device heat release to user port heating, solves the regional winter de-centralized heating of northern country, phase-change thermal storage peak load cutting, the problem of electrical heating power intelligent accurate controls.
Description
Technical field
The present invention relates to electric heating thermal storage heating technical fields, and in particular to a kind of phase-change thermal storage peak valley heating system and
Its heating method.
Background technique
Phase-change thermal storage heating is mainly realized using phase-change material, is crossed in heat accumulation journey in phase transformation electric heating generation
Heat is got up heat storage by heat accumulation element, usually only uses energization 6-8 hours storage heat, the storage of peak electricity tariff stage daily
Thermal element again releases the heat of storage, uses to heating, therefore phase-change thermal storage heating is in peak load cutting, waste heat benefit
With and the fields such as exploitation of new energy be widely used, it can be achieved that the whole day peak electricity tariff period warms oneself, reached energy-saving etc.
Advantage.
Middle low-temperature phase-change material has the characteristics that quantity of heat storage big (being 3-8 times of androgynous ponding), exothermic temperature fluctuation are small, together
When phase transition temperature it is low (85 DEG C or so, be no more than 95 DEG C), casing surface temperature is not high (not exceeding 100 DEG C), does not easily cause sky
Gas is dry, and the comfortable anaerobic consumption of safety and stability is very suitable to the storage exothermic temperature of heating.In addition, middle low-temperature phase-change material heat insulating ability
Can be good, heat loss is low under pure heat accumulation state, and encapsulation heat exchange material is stablized, and swell-shrink coefficient is low to cause heat accumulation material there is no the big temperature difference
Expect Crushing Problem, the heat accumulating performance stable service life is generally higher than 10 years, is suitble to the large, medium and small type heating user of northern country.
In recent years, the weather influence such as northern area pollution level big " haze " has been caused to people's lives more next
More adverse effects；Annual coal-burning boiler and northern country burn coal heating and need to consume a large amount of coal, produce to environment
Huge harm.Cleaning experience with reforming heating is paid much attention to, allowing " 2+26 " urban heating area to implement first, " coal changes cleaning energy
Source ", " preferably electricity is then electric, preferably gas then gas " pilot realize economic restructuring on the basis of " removing coal ", improve air environment
The living standard for administering, improving resident, however after the pilot of a period of time, the drawbacks of " coal changes gas ", is more and more obvious, and " coal changes
Electricity " then becomes the emphasis of " coal changes clean energy resource ".Since northern country area winter heating season is long, temperature is lower, does not concentrate
The condition of heating, although electric heating solves the mode of heating, the high problem of its operating cost is also exposed.
Application No. is 201610018028.7 patent documents to disclose a kind of intelligent paddy electricity accumulation of heat heating system and method,
The heating system includes heat exchanger and electric heater, and the heat exchanger is equipped with heating side water inlet, heating side water outlet, supplies
Warm side water inlet and heating side water return outlet, the system further includes storage heater and controller, and electric heater water outlet passes through water
Pump is connect with storage heater water inlet pipe, and storage heater outlet pipe enters water valve with electric heater water inlet and heating side respectively by valve and connects
Connect, heating side water return outlet is connected by the water inlet of valve and electric heater, in storage heater, storage heater water inlet pipe and outlet pipe,
It is respectively equipped with thermometer connected to the controller on heating side water inlet and heating side water return outlet pipeline, controller controls electric heating
Device starts in paddy electricity initial time, fills heat for storage heater, and according to the start and stop of calorie value control electric heater in storage heater.The hair
In bright, heat storage medium is water, does not carry out accumulation of heat using phase-change material, and the temperature measuring point arrangement in pipeline is very few, cannot be accurate
Carry out temperature control.
A kind of controlling party of phase-transition heat-storage heating system is disclosed application No. is 201710067958.6 patent document
Method, including central processing unit, memory, electric food warmer Shanghai, heat reservoir and detection device；Central processing unit respectively with boilers heated electrically,
Heat reservoir, detection device and memory are connected；The control method including the following steps: S1: pass through in the paddy electricity time
Boilers heated electrically carries out accumulation of heat to heat reservoir, and at peak, the time heat reservoir of electricity carries out heat release, calculates the after-heat Qs of boilers heated electrically；It estimates
Heat Qx required for present period to paddy electricity time started；Judge whether Qs is less than Qx, judging result is yes, starting electricity immediately
Heat boiler to heat reservoir carry out energy storage or the low electricity price period to heat reservoir carry out energy storage, judging result be it is no, turn S1.To entire
Phase-transition heat-storage heating system is monitored, and the starting time to boilers heated electrically can carry out Precise control, when a certain, heat reservoir
The shortage of heat of energy is to maintain user's in use, automatic ask that section carries out accumulation of heat storage to heat reservoir when electricity price compares ordinary telegram or paddy electricity
Energy.In the invention, for electrically heated power using the watt level of multiple heating valves control electric boiler, electricity cannot be accurately carried out
The heating power of heating controls, and pipe arrangement is complicated.
Summary of the invention
In order to solve the technical problem to be solved by the present invention is in view of the above problems, providing a kind of phase-change thermal storage
Peak valley heating system and method, mainly solve the de-centralized heating of northern country regional winter, phase-change thermal storage peak load cutting,
The problem of electrical heating power intelligent accurate controls.
The technical scheme adopted by the invention is that: a kind of phase-change thermal storage peak valley heating system and method, the phase-change thermal storage
Peak valley heating system has phase change material device, electric heating tube, water circulating pump, recirculated water network pipeline and heating control system, institute
Stating phase change material device includes middle low-temperature phase-change material, the lagging casing being mounted in cabinet, and the phase change material device is additionally provided with
Heat accumulation water inlet, heat accumulation water outlet.The electric heating tube includes heating water inlet, heating water outlet, and heating water outlet passes through
Water circulating pump is connect with phase change material device water inlet, and phase change material device water outlet is added with electricity respectively by recirculated water network management road
Heat pipe water inlet connects, and is respectively equipped with temperature sensor, phase transformation inside electric heating tube inlet and outlet, phase change material device
The ultrasonic heat energy scale with central controller communication, heating control are respectively equipped on heat-storing device inlet and outlet pipeline
System control electric heating tube starts when night paddy electricity, is phase change material device heat accumulation, and according to heat in phase change material device
It is worth the power output size that size dynamic controls electric heating tube, and the Yu Feng electricity moment stops electric heating tube, passes through recirculated water network management
Road out of phase change material device heat release to user port heating.
The heating control system includes peak valley time intelligence arithmetic system, circulation network of rivers free switching system, operation mould
Formula switching system.The peak valley time intelligence arithmetic system can be according to the peak-trough electricity period in northern area difference province, and user is certainly
The time value of row setting peak interval of time.Circulation network of rivers free switching system includes between phase change material device and electric heating tube
Pipeline, the pipeline between electric heating tube and water circulating pump, the pipeline between phase change material device and user port, water circulating pump
Electronic V1 switch valve, electronic V2 switch valve, the electronic V3 of free switching are opened between pipeline and pipeline between user port
Close valve, electronic V4 switch valve.The operational mode switching system includes automatic running pattern, speed heat heating mode, low-heat energy conservation
Mode, anti-freezing pattern of leaving home.This phase-change thermal storage peak valley heating system and method, pipeline structure is reasonable, switch valve responds
Fastly, control system is advanced, easy to maintain, stable, to ensure that the energy conservation and environmental protection of storage thermoelectric heating.
The heating system and method including the following steps:
S1, judge that the available machine time is in peak electric moment/paddy electricity moment, the paddy electricity time enters step S2, otherwise enters step
Rapid S6；
S2, electric switching valve V1 and electric switching valve V2 is opened, starts water circulating pump, open 100% power electric heating tube,
Go to step S3；
S3, judge whether phase change material device is full of thermal energy, whether temperature reaches setting value in phase change material device, does not fill
S4 is completely entered step, S5 is otherwise entered step；
If S4, phase change material device inlet and outlet the temperature difference be greater than 5 DEG C, electric heating tube 100% export, if phase change material device into
It exports the temperature difference and is in electric heating tube ratio reduction power output when between 1 DEG C to 5 DEG C, go to step S5.
S5, phase change material device, which fill, to be terminated, and judge whether the paddy electricity time terminates, and be to enter step S6, no return step
S4；
S6, electric heating tube is closed, into the peak electric time, enters step S7；
S7, system enter model selection, and default enters automatic mode and is transferred to step S8, and user can start speed heat mode and be transferred to
Step S12, the mode of leaving home are transferred to step S13, and energy-saving mode is transferred to step S14；
S8, electric heating tube is closed, opens electric switching valve V1 and electric switching valve V2, is transferred to step S9
S9, judge that phase change material device thermal energy is no enough, be transferred to step S10 enough, it is no to be transferred to step S11；
S10, judge whether the peak electric time terminates, be to enter step S2, it is no to enter step S9；
S11, electric heating tube is opened, watt level is imported and exported the temperature difference according to phase change material device and differentiated, until phase-change thermal storage
Temperature reaches complementary energy setting value in device, is transferred to step S10；
S12, electric switching valve V4 is only opened, closes remaining electric switching valve, 100% power output of electric heating tube 20 minutes
After time, mode is jumped out automatically and is transferred to step S8；
S13, all electric switching valves are opened, stops water circulating pump, when any one temperature sensor temperature is lower than 4 DEG C
When, starting stops after water circulating pump 15 minutes, and the mode of jumping out is transferred to step S7；
S14, user voluntarily open according to room temperature, and interval start and stop water circulating pump operation, interval downtime is not less than
15min, the mode of jumping out are transferred to step S7.
The booting of the first time of the heating system and method, including the following steps:
S21, phase change material device thermal energy are inadequate, force heat accumulation to start, enter step S22；
S22, electric switching valve V1 and electric switching valve V2 is only opened, starts water circulating pump, open 100% power electric heating
Pipe, is transferred to step S23；
S23, judge that whether temperature reaches setting value in phase change material device, reaches and enters step S1；
The beneficial effects of the present invention are: the thermal storage heating systematic science in the present invention utilizes electrical heating technique, phase-change thermal storage
Device is formed by special heat preservation material overall package, and middle low-temperature phase-change material effectively utilizes the electric power more than needed in low ebb period,
The electrically heated thermal energy of night paddy is stored by phase transformation reaction, discharges heat daytime in recirculated water network management road, is guaranteed white
The demand of its user's heat supply in winter effectively promotes electric energy and accounts for final energy consumption specific gravity, reaches energy-saving target, be suitable for
The policy requirements of northern area cleaning heating.
The motor switch valve being arranged in recirculated water network management road can realize automatic peak valley, speed heat liter according to user setting
Temperature, low-heat energy conservation, antifreeze function switch of leaving home, the ultrasonic calorimeter Real-time Feedback of setting give central controller temperature measuring point temperature
Degree, heating flow velocity, real-time thermal energy value, heating conversion performance number, realize effective signal trace and adjusting, guarantee heating temperature
Real-time detection, it is ensured that user indoor temperature reaches the index of 18-22 degrees Celsius of heating.
Heating control system in the present invention completes automatic heating operation, and be using the control technology of " PLC+HMI "
System has the automatic peak valley of setting, speed heat heating, low-heat energy conservation, the functions such as antifreeze of leaving home, and passes through " power regulator+motor switch
The mode of valve " has broken the mode of three gear grouping setting electric heating tube power of tradition, for needing to carry out according to the big ditty of thermal energy
The requirement of electricity-saving heating tube power size, accurate heating efficiency save electric power resource, reduce operating cost.
Detailed description of the invention
Fig. 1 is system structure diagram of the invention.
Fig. 2 is circulation network of rivers automatic heating of the invention and low-heat energy conservation schematic diagram.
Fig. 3 is recirculated water network speed heat heating schematic diagram of the invention.
Fig. 4 is that heat accumulation schematic diagram is forced in the circulation network of rivers of the invention.
The flow diagram of operation method when Fig. 5 is system energy supply in the present invention.
The flow diagram of operation method when Fig. 6 is system stored energy in the present invention.
Appended drawing reference
1, phase change material device；2, electric heating tube；3, water circulating pump；4, recirculated water network pipeline；5, user port；6, it heats
Control system 101, heat accumulation water inlet；102, heat accumulation water outlet；103, phase change material device upper temperature sensor；104, phase transformation
Heat-storing device lower temperature sensor；201, water inlet is heated；202, water outlet is heated；203, electric heating tube inflow temperature senses
Device；204, electric heating tube leaving water temperature sensors；401, electronic V1 switch valve；402, electronic V2 switch valve；403, electronic V3 is opened
Close valve；404, electronic V4 switch valve；405, Q1 ultrasonic calorimeter；406, Q2 ultrasonic calorimeter
Arrow in figure indicates flow direction of medium.
Specific embodiment
In order to illustrate more clearly of the present invention, the present invention is further said in the following with reference to the drawings and specific embodiments
It is bright.The present embodiment is implemented premised on technical solution of the present invention, gives detailed embodiment and specifically operated
Journey, but protection scope of the present invention is not limited to following embodiments.
Embodiment 1: as shown in Figure 1, a kind of phase-change thermal storage peak valley heating system and method in the present embodiment, have phase transformation storage
Thermal 1, electric heating tube 2, water circulating pump 3, recirculated water network pipeline 4 and heating control system, be equipped in phase change material device 1 with
The heat accumulation water inlet 101 that the heating water outlet 202 of electric heating tube 2 connects, heat accumulation water outlet 102 are connect with user port 5, and electricity adds
The heating water inlet 201 of heat pipe 2 is connect with water circulating pump 3, and heating water outlet 202 and storage are respectively equipped in recirculated water network pipeline 4
Electronic V2 switch valve 402, the heat accumulation of the electronic V1 switch valve 401 of hot water inlet 101, heat accumulation water outlet 102 and user port 5
The electronic V4 of the electronic V3 switch valve 403 of water outlet 102 and water circulating pump 3, heating water outlet 202 and user port 5 is switched
Valve 404 is additionally provided with phase change material device upper temperature sensor 103 and phase change material device lower part temperature in phase change material device 1
Sensor 104 is spent, electric heating tube inflow temperature sensor 203 is equipped in recirculated water network pipeline 4 and electric heating tube leaving water temperature passes
Sensor 204, Q1 ultrasonic calorimeter 405 are arranged at 1 intake-outlet of phase change material device, and Q2 ultrasonic calorimeter 406 is arranged
In 5 import and export of user port.Heating control system 6 controls electric heating tube 2 and starts when night paddy electricity, is phase change material device
1 heat accumulation, and according to the power output size of calorie value size dynamic control electric heating tube 2 in phase change material device 1, and in peak electricity
Moment stop electric heating tube 2, by recirculated water network pipeline 4 out of phase change material device 1 heat release to user port 5 heating.
The heating control system includes peak valley time intelligence arithmetic system, circulation network of rivers free switching system, operation mould
Formula switching system.The peak valley time intelligence arithmetic system can be according to the peak-trough electricity period in northern area difference province, and user is certainly
The time value of row setting peak interval of time.Circulation network of rivers free switching system include phase change material device 1 and electric heating tube 2 it
Between pipeline, the pipeline between electric heating tube 2 and water circulating pump 3, the pipeline between phase change material device 1 and user port 5 follows
Electronic V1 switch valve 401, electronic the V2 switch of free switching between pipeline and pipeline between ring water pump 3 and user port 5
Valve 402, electronic V3 switch valve 403, electronic V4 switch valve 404.The operational mode switching system includes automatic running pattern, speed
Hot heating mode, low-heat energy-saving mode, anti-freezing pattern of leaving home.
As shown in Fig. 2, recirculated water network pipeline 4 opens electronic V1 switch valve 401 and electronic V2 switch valve 402, close electronic
V3 switch valve 403 and electronic V4 switch valve 404, water circulating pump 3 drive water circulation in pipeline, electric heating tube 2 are added thermogenetic
Heat flows to user port 5 by phase change material device 1, is back to 3 import of water circulating pump, and arrow indicates pipeline flow-direction in figure,
It is adapted to automatic running pattern and low-heat energy-saving mode.
As shown in figure 3, recirculated water network pipeline 4 opens electronic V4 switch valve 404, close and electronic V2 switch valve 401, electronic
V2 switch valve 402 and electronic V3 switch valve 403, water circulating pump 3 drive water circulation in pipeline, electric heating tube 2 are added thermogenetic
Heat is flowed directly to user port 5, is finally back to 3 import of water circulating pump, and arrow indicates pipeline flow-direction in figure, is adapted to speed
Hot heating mode.
As shown in figure 4, recirculated water network pipeline 4 opens electronic V1 switch valve 401 and electronic V3 switch valve 403, close electronic
V2 switch valve 402 and electronic V3 switch valve 403, water circulating pump 3 drive water circulation in pipeline, electric heating tube 2 are added thermogenetic
Heat flows through phase change material device 1, is back to 3 import of water circulating pump, and arrow indicates pipeline flow-direction in figure, is adapted to open for the first time
Machine forces heat accumulation.
As shown in figure 5, a kind of phase-change thermal storage peak valley heating system and method, comprising the following steps:
S1, judge that the available machine time is in peak electric moment/paddy electricity moment, the paddy electricity time enters step S2, otherwise enters step
Rapid S6；
S2, electronic V1 switch valve 401 and electronic V2 switch valve 402 are opened, starts water circulating pump 3, open 100% power
Electric heating tube 1, goes to step S3；
S3, judge whether phase change material device 1 is full of thermal energy, whether temperature reaches setting value in phase change material device 1, not
Full of S4 is entered step, S5 is otherwise entered step；
If S4, phase change material device 1, which import and export the temperature difference, is greater than 5 DEG C, electric heating tube 3 exports 100% power, if phase-change thermal storage
Device 1 imports and exports the temperature difference and is in 3 ratio of electric heating tube reduction power output when between 1 DEG C to 5 DEG C, goes to step S5.
S5, phase change material device 1 fills to terminate, and judges whether the paddy electricity time terminates, is to enter step S6, no return step
S4；
S6, electric heating tube 3 is closed, into the peak electric time, enters step S7；
S7, system enter model selection, and default enters automatic mode and is transferred to step S8, and user can start speed heat mode and be transferred to
Step S12, the mode of leaving home are transferred to step S13, and energy-saving mode is transferred to step S14；
S8, electric heating tube 3 is closed, opens electronic V1 switch valve 401 and electronic V2 switch valve 402, is transferred to step S9
S9, judge that 1 thermal energy of phase change material device is no enough, be transferred to step S10 enough, it is no to be transferred to step S11；
S10, judge whether the peak electric time terminates, be to enter step S2, it is no to enter step S9；
S11, electric heating tube 3 is opened, watt level is imported and exported the temperature difference according to phase change material device 1 and differentiated, until phase transformation is stored up
Temperature reaches complementary energy setting value in thermal 1, is transferred to step S10；
S12, electronic V4 switch valve 404 is only opened, closes remaining electric switching valve, the output of 3 power 100% of electric heating tube
After 20 minutes, mode is jumped out automatically and is transferred to step S8；
S13, all electric switching valves are opened, stops water circulating pump 3, when any one temperature sensor temperature is lower than 4 DEG C
When, starting stops after water circulating pump 15 minutes, and the mode of jumping out is transferred to step S7；
S14, user voluntarily open according to room temperature, and interval start and stop water circulating pump 3 is run, and interval downtime is not small
In 15min, the mode of jumping out is transferred to step S7.
The booting of the first time of the heating system and method, including the following steps:
S21,1 thermal energy of phase change material device are inadequate, force heat accumulation to start, enter step S22；
S22, electronic V1 switch valve 401 and electronic V2 switch valve 402 are only opened, starts water circulating pump 3, open 100% function
Rate electric heating tube 3 is transferred to step S23；
S23, judge that whether temperature reaches setting value in phase change material device 1, reaches and enters step S1；
Embodiment 2
Heating control system 6 controls the power output of electric heating tube 2 according to calorie value size dynamic in phase change material device 1
Size.Existing heating system is by from electric heating direct heating, for end without real time monitoring, the present embodiment it is final
Target is that the temperature of heating system offer is directly affected in conjunction with the temperature of end, passes through the Q2 ultrasonic wave being arranged in user port 5
405 feedback user temperature of calorimeter controls the realtime power of electric heating 2 by COMPREHENSIVE CALCULATING.
Power regulator can control the realtime power percentage of electric heating tube by analog output electric current 4-20mA signal
Than being adjusted and being realized to the control of the power of electric heating tube by power percentage, realized the even running of system, calculating
The main temperature according to ultrasonic calorimeter is as adjusting target in journey.
According to newest Jilin Province's Heating Period heat supply, it is 0.562 yuan that the peak electricity period, which is 8:00~21:00 electricity charge, paddy electricity
Period 21:00~next day 8:00, the electricity charge are 0.329 yuan.It is supplied using phase-change thermal storage heating system of the invention and method
After warm, the more original common heating system of cost is compared, and operating cost is effectively reduced, and the present invention utilizes night dip electricity price lattice, benefit
Heat phase change memory is got up with paddy electricity period, peak potential period carry out using, both solved northern area cleaning heating ring
Border problem also reduces the use cost of rural subscribers.
In addition, it should be noted that, the specific embodiments described in this specification, the shape of parts and components are named
Title etc. can be different.The equivalent or simple change that all structure, feature and principles described according to the invention patent design are done, is wrapped
It includes in the scope of protection of the patent of the present invention.Those skilled in the art can be to described specific implementation
Example is done various modifications or additions or is substituted in a similar manner, and without departing from structure of the invention or surmounts this
Range as defined in the claims, is within the scope of protection of the invention.
Claims (9)
1. a kind of phase-change thermal storage peak valley heating system has phase change material device (1), electric heating tube (2), water circulating pump (3), follows
Ring network of rivers pipeline (4) and heating control system；
The electric heating tube is connected with heating water inlet (201) and heating water outlet (202), the heating of electric heating tube (2) into
The mouth of a river (201) is connect with water circulating pump (3)；
The heat accumulation water inlet connecting with the heating water outlet (202) of electric heating tube (2) is equipped in the phase change material device (1)
(101) it is connect with heat accumulation water outlet (102), the heat accumulation water outlet (102) of phase change material device with user port；
Piping connection between the phase change material device (1) and electric heating tube (2) forms circulating water line (4)；
The heating control system by being electrically connected, is used with phase change material device (1), electric heating tube (2), water circulating pump (3)
In control heating and heating process.
2. phase-change thermal storage peak valley heating system according to claim 1, it is characterised in that: the recirculated water network pipeline (4)
In, it heats and is equipped with electronic V1 switch valve (401) between water outlet (202) and heat accumulation water inlet (101)；Heat accumulation water outlet (102)
Electronic V2 switch valve (402) is equipped between user port；
Electronic V3 switch valve (403) is equipped between heat accumulation water outlet (102) and water circulating pump (3)；
It heats and is equipped with electronic V4 switch valve (404) between water outlet 202 and user port.
3. phase-change thermal storage peak valley heating system according to claim 1, it is characterised in that: the phase change material device
(1) middle low-temperature phase-change material, lagging casing are provided with；
Phase change material device upper temperature sensor (103) and phase-change thermal storage are respectively equipped with inside the phase change material device (1)
Device lower temperature sensor (104).
4. phase-change thermal storage peak valley heating system according to claim 1, it is characterised in that: the electric heating tube (2) is small
Type electric heating water tank can be configured according to different heating areas.
5. phase-change thermal storage peak valley heating system according to claim 1, it is characterised in that: the water circulating pump (3) is screen
Cover formula pressurization cycle pump, regulating flow quantity size.
6. phase-change thermal storage peak valley heating system according to claim 1, it is characterised in that: the phase change material device
(1) Q1 ultrasonic calorimeter (406) are provided between water inlet and water outlet；Among the water inlet and water outlet of user port
It is provided with Q2 ultrasonic calorimeter (405).
7. phase-change thermal storage peak valley heating system according to claim 1, it is characterised in that: the heating control system includes
Peak valley time intelligence arithmetic system, circulation network of rivers free switching system, operational mode switching system；
The peak valley time intelligence arithmetic system can according to the peak-trough electricity period of different regions, user's self-setting peak interval of time
Time value；
The circulation network of rivers free switching system includes the pipeline between phase change material device (1) and electric heating tube (2), electric heating
Manage the pipeline between (2) and water circulating pump (3), the pipeline between phase change material device (1) and user port, water circulating pump (3)
The electronic V1 switch valve (401) of free switching, electronic V2 switch valve between pipeline and pipeline between user port
(402), electronic V3 switch valve (403), electronic V4 switch valve (404)；
The operational mode switching system includes automatic running pattern, speed heat heating mode, low-heat energy-saving mode, antifreeze mould of leaving home
Formula.
8. a kind of phase-change thermal storage peak valley system heating method, it is characterised in that include the following steps:
S1, judge that the available machine time is in peak electric moment/paddy electricity moment, the paddy electricity time enters step S2, otherwise enters step S6；
S2, electronic V1 switch valve (401) and electronic V2 switch valve (402) are opened, starts water circulating pump 3, open 100% power electricity
Heating tube (1), goes to step S3；
S3, whether phase change material device 1 is judged full of thermal energy, whether phase change material device (1) interior temperature reaches setting value, do not fill
S4 is completely entered step, S5 is otherwise entered step；
If S4, phase change material device 1, which import and export the temperature difference, is greater than 5 DEG C, electric heating tube 3 exports 100% power, if phase change material device
The 1 inlet and outlet temperature difference is in 3 ratio of electric heating tube when between 1 DEG C to 5 DEG C and reduces power output, goes to step S5；
S5, phase change material device (1) fill and can terminate, and judge whether the paddy electricity time terminates, and are to enter step S6, no return step
S4；
S6, electric heating tube (3) are closed, into the peak electric time, enters step S7；
S7, system enter model selection, and default enters automatic mode and is transferred to step S8, and user can start speed heat mode and be transferred to step
S12, the mode of leaving home are transferred to step S13, and energy-saving mode is transferred to step S14；
S8, electric heating tube (3) are closed, opens electronic V1 switch valve (401) and electronic V2 switch valve (402), is transferred to step S9；
S9, judge that 1 thermal energy of phase change material device is no enough, be transferred to step S10 enough, it is no to be transferred to step S11；
S10, judge whether the peak electric time terminates, be to enter step S2, it is no to enter step S9；
S11, electric heating tube (3) are opened, watt level is imported and exported the temperature difference according to phase change material device 1 and differentiated, until phase-change thermal storage
Device (1) interior temperature reaches complementary energy setting value, is transferred to step S10；
S12, electronic V4 switch valve (404) is only opened, closes remaining electric switching valve, the output of electric heating tube (3) power 100% 20
After minutes, mode is jumped out automatically and is transferred to step S8；
S13, all electric switching valves are opened, stops water circulating pump 3, when any one temperature sensor temperature is lower than 4 DEG C, opened
Dynamic water circulating pump stops after 15 minutes, and the mode of jumping out is transferred to step S7；
S14, user voluntarily open according to room temperature, and interval start and stop water circulating pump (3) operation, interval downtime is not less than
15min, the mode of jumping out are transferred to step S7.
9. phase-change thermal storage peak valley system heating method according to claim 8, it is characterised in that: the heating system and side
The first time of method is switched on, including the following steps:
S21, phase change material device (1) thermal energy are inadequate, force heat accumulation to start, enter step S22；
S22, electronic V1 switch valve (401) and electronic V2 switch valve (402) are only opened, started water circulating pump (3), open 100%
Power electric heating tube (3), is transferred to step S23；
S23, judge whether phase change material device (1) interior temperature reaches setting value, reach and enter step S1.
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| CN112682834A (en) * | 2021-01-23 | 2021-04-20 | 北京嘉洁能科技股份有限公司 | Carbon fiber intelligent heat supply method and system based on phase change energy storage building envelope heat insulation |
| US20220057088A1 (en) * | 2019-05-03 | 2022-02-24 | Radiator Labs, Inc. | Dual function domestic hot water preheater and integrated space heater |
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