CN111561731A - Household intelligent heating system capable of storing energy and supplying heat according to needs by off-peak electricity - Google Patents
Household intelligent heating system capable of storing energy and supplying heat according to needs by off-peak electricity Download PDFInfo
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- CN111561731A CN111561731A CN202010349540.6A CN202010349540A CN111561731A CN 111561731 A CN111561731 A CN 111561731A CN 202010349540 A CN202010349540 A CN 202010349540A CN 111561731 A CN111561731 A CN 111561731A
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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
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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
- F24D11/00—Central heating systems using heat accumulated in storage masses
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Abstract
The invention provides a household intelligent heating system for off-peak electricity energy storage and on-demand heat supply, and belongs to the technical field of off-peak electricity energy storage clean heating. The system comprises a heat storage device, a heat exchange device, a fan and a control system, wherein the system stores heat during the night off-peak electricity period, a heater in the heat storage device is started to perform thermoelectric conversion, and the obtained heat is stored in the heat storage device; utilize cell-phone software to open the fan and take out the heat and heat when needing heating daytime, can preheat in advance and set up preheating temperature under unmanned circumstances, can also control heating intensity through the wind speed of control fan. The invention has three advantages of double-effect air layer, whole-course controllability and omnibearing protection mechanism, overcomes the defect of uncontrollable heat taking of the household device in the market, and effectively improves the utilization rate of thermoelectricity.
Description
Technical Field
The invention relates to the technical field of off-peak electricity energy storage clean heating, in particular to an off-peak electricity energy storage on-demand heating household intelligent heating system.
Background
According to statistics, the winter heating in China is mainly centralized heating of urban pipe networks, and also comprises multiple heating modes such as regional boiler room heating, household heating and the like; the fuel mainly comprises coal and natural gas, and is supplemented with oil-electricity ground source heat pumps, power plant waste heat and the like.
At present, heating in China faces two main problems: firstly, the heating energy consumption is large, the heating energy consumption of the unit area of the urban building in China is 2-3 times of that of the developed countries at the same latitude, secondly, the nitrogen oxides and sulfides discharged by coal-fired heating in winter cause environmental pollution, the emission of greenhouse gases is large, and China has become the country with the most carbon dioxide emission in the world since many years ago. China promises that the emission reduction of carbon dioxide is targeted to 40 to 45 percent of unit GDP greenhouse gas emission ratio in 2005 by 2020. Thus, the reduction of carbon dioxide emissions, especially greenhouse gas emissions in winter heating, has been largely unabated.
The off-peak electricity energy storage heating system converts electric energy into heat energy in the off-peak period and stores the heat energy into the system, and in the off-peak period, the stored heat energy can be rearranged on heating work according to indoor requirements, and the off-peak electricity energy storage heating system provides a supplementary mode in places which cannot be covered by a centralized heating mode. In the off-peak electricity energy storage heating system, the conversion of electric energy to heat energy and heating can not realize high-efficiency energy conservation and consumption reduction fundamentally, but can effectively balance the load of a power grid in the system, improve the power generation efficiency and show the advantages of peak clipping and valley filling. The existing off-peak electricity energy storage device has the problems that the heating mode is clumsy, the utilization rate of heat is not high, and the heat storage problem can be well solved due to the appearance of many emerging materials.
Disclosure of Invention
The invention aims to provide a household intelligent heating system for off-peak electricity energy storage and on-demand heating, which can effectively balance the load of a power grid in the system, improve the efficiency of power generation and show the advantages of peak clipping and valley filling while ensuring the normal heating requirement in a household house.
The system comprises a heat storage device, a heat exchange device, a fan and a control system, wherein the system stores heat during the night off-peak electricity period, a heater in the heat storage device is started to perform thermoelectric conversion, and the obtained heat is stored in the heat storage device; utilize cell-phone software to open the fan and take out the heat and heat when needing heating daytime, can preheat in advance and set up preheating temperature under unmanned circumstances, can also control heating intensity through the wind speed of control fan.
The system comprises a heat storage device, a heat exchange device, a fan and a control system, wherein the fan is connected with the heat exchange device, the heat exchange device is connected with the heat storage device, the heat storage device feeds back signals to the control system, and the control system controls the fan; the heat storage device comprises a stainless steel shell, a heater, a heat insulation material, an air inlet, a supporting fixed block, an electric control box, an insulating layer, an air outlet, a heat storage material and an air channel; the stainless steel shell is internally provided with a heat storage material, the two ends of the stainless steel shell are punched, one end of the stainless steel shell is an air inlet, the other end of the stainless steel shell is an air outlet, an electric control box is arranged above the stainless steel shell, the electric control box controls a heater, the heater is positioned in the heat storage material, the heat storage material is wrapped with a heat insulation material, and a temperature sensor is arranged in the heat storage material.
Storing heat during the night off-peak electricity period, starting a heater in the heat storage device, performing thermoelectric conversion, and storing the obtained heat in the heat storage device; and when heating is needed in the daytime, the fan is turned on by utilizing the mobile phone software to take heat out for heating.
The heat insulation material is arranged along the inside of the stainless steel shell, the heat insulation material is connected with the stainless steel shell through the supporting and fixing block, a heat insulation air layer is formed between the heat insulation material and the stainless steel shell during heat storage, and the heat insulation material serves as an air channel during heating.
The air inlet is connected with a fan, and the air inlet and the air outlet are provided with valves. During heating, the fan and the valve are controlled to be opened and closed through the mobile phone, and therefore heating is achieved.
The electric control box is positioned between the stainless steel shell and the heat insulation material, and an insulating layer is arranged between the electric control box and the heat insulation material. The heat storage device is controlled, and meanwhile, the effects of heat insulation and electric leakage prevention are achieved.
The inside relief valve that can self-bleeding and can the auto-power-off that sets up of this system can enough guarantee the temperature of heat accumulation material enough, also can avoid the safety problem that the too high pressure caused during the heat accumulation simultaneously.
The heating system provides two choices of a preset heat storage target temperature of the system and a heat storage target temperature set by a user, when the heat storage temperature reaches the preset temperature of the system, the system is automatically powered off and is not heated, the heat storage target temperature set by the user is set through a mobile phone APP, and the temperature setting range is 100-600 ℃; when the temperature sensor detects that the temperature of the heat storage material is lower than the set temperature, the system is used for storing heat again.
The heating system sends the data collected by the system in the form of MQTT message queue.
The heat dissipation mode of the heating system is convection heat dissipation, and the wind speed is controlled by a fan.
The fan is a brushless direct current fan, can adjust the wind speed at will, and has low power consumption and low noise.
The system is suitable for household heating.
The technical scheme of the invention has the following beneficial effects:
the invention has the advantages of simple structure, convenient operation, intelligent temperature regulation, continuous and stable operation and the like, and is particularly suitable for household without central heating.
Drawings
Fig. 1 is a schematic system diagram of a valley electricity heat accumulation household heating controllable device provided in embodiment 1 of the present invention;
fig. 2 is a schematic view of the internal structure of a thermal storage device provided in embodiment 1 of the present invention;
FIG. 3 is a diagram of a mobile phone APP main interface of the present invention;
FIG. 4 is a top view of a mobile phone APP interface of the present invention;
FIG. 5 is a diagram illustrating the APP temperature setting of the mobile phone according to the present invention;
FIG. 6 is a diagram of the setting condition of the wind speed of the mobile phone APP.
Wherein: 1-a fan, 2-low temperature air, 3-a heat exchange device, 4-high temperature air, 5-a user, 6-a heater, 7-a heating signal, 8-a heat storage device, 9-a control system, 10-a temperature and overpressure signal, 11-a driving signal, 21-a stainless steel shell, 22-a heat insulation material, 23-an air inlet, 24-a support fixing block, 25-an electric control box, 26-an insulating layer, 27-an air outlet, 28-a heat storage material and 29-an air channel.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
The invention provides a household intelligent heating system for off-peak electricity energy storage and on-demand heat supply.
As shown in fig. 1 and 2, the system comprises a heat storage device 8, a heat exchange device 3, a fan 1 and a control system 9, wherein the fan 1 is connected with the heat exchange device 3, the heat exchange device 3 is connected with the heat storage device 8, the heat storage device 8 feeds back signals to the control system 9, and the control system 9 controls the fan 1; the heat storage device 8 comprises a stainless steel shell 21, a heater 6, a heat insulation material 22, an air inlet 23, a supporting and fixing block 24, an electric control box 25, an insulating layer 26, an air outlet 27, a heat storage material 28 and an air duct 29; a heat storage material 28 is arranged in the stainless steel shell 21, two ends of the stainless steel shell 21 are perforated, one end of the stainless steel shell is an air inlet 23, the other end of the stainless steel shell is an air outlet 27, an electric control box 25 is arranged above the inner portion of the stainless steel shell 21, the electric control box 25 controls the heater 6, the heater 6 is located in the heat storage material 28, the heat storage material 28 is wrapped with a heat insulation material 22, and a temperature sensor is arranged in the heat storage material 28. The heat insulation material 22 is arranged along the inside of the stainless steel shell 21, and the heat insulation material 22 is connected with the stainless steel shell 21 through the supporting and fixing block 24 to form an air duct 29. The air inlet 23 is connected with the fan 1, and the air inlet 23 and the air outlet 27 are provided with valves. The electric control box 25 is positioned between the stainless steel shell 21 and the heat insulating material 22, and an insulating layer 26 is arranged between the electric control box 25 and the heat insulating material 22.
When the system works, the control system 9 controls the driving signal 11 to transmit to the fan 1, the fan 1 transmits the low-temperature air 2 to the heat exchange device 3, the heat exchange device 3 transmits the high-temperature air 4 to the user 5 through the fan, the heat storage device 8 and the heat exchange device 3 realize heat exchange, the heat storage device 8 outputs the temperature and the overvoltage signal 10 to the control system 9, and the control system 9 transmits the heating signal 7 to the heat storage device 8.
The system is internally provided with a pressure valve capable of automatically exhausting air and a safety valve capable of automatically cutting off power.
And (4) storing the off-peak electricity in the heat storage device at night, and performing low-power consumption heat preservation treatment on the temperature control module after the required temperature is reached. When needing heating, control module opens the valve of business turn over wind department to through cell-phone end control fan state, reach the heating effect of expectation.
The heating system provides two choices of a preset heat storage target temperature of the system and a heat storage target temperature set by a user, when the heat storage temperature reaches the preset temperature of the system, the system is automatically powered off and is not heated, the heat storage target temperature set by the user is set through a mobile phone APP, and the temperature setting range is 100-600 ℃; when the temperature sensor detects that the temperature of the heat storage material is lower than the set temperature, the system is used for storing heat again.
The mode that the heating system sending system gathers the data is MQTT message queue.
The heating system radiating mode is convection radiating, and the wind speed is controlled through the fan, so that the convection heat transfer coefficient h is controlled, and meanwhile, when the heat is not radiated, the ventilation layer becomes a static heat-preservation air layer, so that the air layer plays a dual role.
The fan is a brushless direct current fan, can adjust the air speed at will, has low power consumption and low noise, and is suitable for the household environment.
The following description is given with reference to specific examples.
Example 1
The embodiment provides a through cell-phone APP control valley electricity energy storage as required heat supply's family formula intelligence heating system, its control flow is shown as figure 1, and cell-phone APP main content is shown as figure 3, generally includes following flow:
when a user sends a heat storage material heating signal on a mobile phone, the system judges whether the temperature of the current heat storage material reaches the preset temperature of the user, if not, the heating signal of the 12V relay is set to be high, so that the 220V relay is switched on, and the system starts to store heat. When the temperature of the heat storage material reaches the preset temperature of a user, the heating signal of the 12V relay is reset, the 220V relay is disconnected, and the system stops heat storage. And in the heating process, the pressure switch overvoltage signal gives an alarm, the heating signal of the 12V relay is reset, and the heating is stopped.
When a user initiates a heating signal on the mobile phone, the system judges whether the current indoor temperature reaches the preset temperature of the user, if not, the heating signal is set to be high, and the fan is controlled to drive the heating fan to rotate so as to heat the room temperature. And when the ambient temperature reaches the preset temperature, resetting the heating signal and stopping heating.
As shown in fig. 4, when the user turns on the mobile phone APP, information such as the temperature, humidity, temperature of the heat storage material, the current heating state of the device, the device wind speed, and the heating state of the heat storage material of the current environment can be seen at the top.
As shown in fig. 5, the user can set a target room temperature for heating and a target temperature for heating the heat storage material on the mobile phone APP.
As shown in fig. 6, the user can control the wind speed during heating on the mobile phone APP.
Example 2
This example provides a method for off-peak electrical heat storage and scheduled heat release based on the system of example 1 above, comprising:
as shown in fig. 3, the heating temperature is set, and when the heating program is started from 10 o 'clock to 6 o' clock at night, the heater 6 starts to heat the thermal storage material 29 in the case, the heat transfer manner between the heater and the thermal storage material is heat conduction and natural convection, and the heat transfer manner between the thermal storage material is mainly heat conduction.
In the initial heat exchange stage, after heating for 8 hours, the farthest boundary can be stabilized to 300 ℃, and in the stabilizing section after 300 ℃, the heat can be fully exchanged in the box body due to the heat insulation cotton layer and the air heat insulation layer to reach a stable temperature area, and the temperature of the outermost layer (namely the temperature of the outer wall of the stainless steel) reaches 71 ℃ at most. Without improving the heat insulation conditions, a certain amount of heating is required during the heat storage period at night.
After the temperature reaches the control temperature, heat transfer can be carried out by blowing air in advance through controlling APP to keep the room temperature. The air pressure in the heating chamber is controlled by a detection system in the control chamber to keep the air pressure in the heating chamber safe.
About preheating and the reservation is exothermic, heating after the heating button sets up the target room temperature in the accessible APP interface, receive the signal by the signal reception room and carry out signal processing again and at last will handle the result and transmit to the air supply system and carry out thermal taking.
Air is supplied from the air inlet 23 through the blower, and the flowing air flows in the air layer in a turbulent way and fully exchanges heat with the heating wall layer.
The heat transfer process is that the heat storage material firstly conducts preliminary heat conduction with the hot wall and convection heat exchange between indoor air and the hot wall, then the heat is transferred to flowing air in the air layer through the hot wall through the convection heat exchange, and the heat is transferred to the indoor space along with the hot air through the air outlet so as to carry out the small indoor heating process.
The heat conveying speed can be adjusted through the air speed control interface, the indoor temperature is increased as soon as possible by high heat output in the initial heating stage, and the heat is required to be slowly supplemented in the heating stabilizer only by enough heat to keep the temperature constant.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. The utility model provides a valley electricity energy storage is as required heat supply's family formula intelligence heating system which characterized in that: the heat-storage type air conditioner comprises a heat storage device (8), a heat exchange device (3), a fan (1) and a control system (9), wherein the fan (1) is connected with the heat exchange device (3), the heat exchange device (3) is connected with the heat storage device (8), the heat storage device (8) feeds signals back to the control system (9), and the control system (9) controls the fan (1); the heat storage device (8) comprises a stainless steel shell (21), a heater (6), a heat insulation material (22), an air inlet (23), a supporting fixed block (24), an electric control box (25), an insulating layer (26), an air outlet (27), a heat storage material (28) and an air duct (29); set up heat accumulation material (28) in stainless steel shell (21), stainless steel shell (21) both ends are punched, and one end is air intake (23), and the other end is air outlet (27), and the upper portion sets up automatically controlled box (25) in stainless steel shell (21), and automatically controlled box (25) control heater (6), heater (6) are located heat accumulation material (28), and heat accumulation material (28) wraps up insulation material (22) all around, sets up temperature sensor in heat accumulation material (28).
2. The valley electricity energy storage on-demand heating household intelligent heating system of claim 1, characterized in that: storing heat in the night off-peak electricity period, starting a heater (6) in the heat storage device (8) to perform thermoelectric conversion, and storing the obtained heat in the heat storage device (8); when heating is needed in the daytime, the fan (1) is turned on to take heat out for heating.
3. The valley electricity energy storage on-demand heating household intelligent heating system of claim 1, characterized in that: the heat insulation material (22) is arranged along the inside of the stainless steel shell (21), the heat insulation material (22) is connected with the stainless steel shell (21) through a supporting fixing block (24), a heat insulation air layer is formed between the heat insulation material (22) and the stainless steel shell (21) during heat storage, and the heat insulation material serves as an air duct (29) during heating.
4. The valley electricity energy storage on-demand heating household intelligent heating system of claim 1, characterized in that: the air inlet (23) is connected with the fan (1), the air inlet (23) and the air outlet (27) are provided with valves, and the fan and the valve switch are opened during heating to realize heating.
5. The valley electricity energy storage on-demand heating household intelligent heating system of claim 1, characterized in that: the heating system provides two choices of a preset heat storage target temperature of the system and a heat storage target temperature set by a user, when the heat storage temperature reaches the preset temperature of the system, the system is automatically powered off and is not heated, and the user sets the heat storage target temperature to be within the range of 100-600 ℃; when the temperature sensor detects that the temperature of the heat storage material is lower than the set temperature, the system heat storage is carried out again.
6. The valley electricity energy storage on-demand heating household intelligent heating system of claim 1, characterized in that: the electric control box (25) is positioned between the stainless steel shell (21) and the heat insulation material (22), and the insulating layer (26) is arranged between the electric control box (25) and the heat insulation material (22), so that the heat storage device (8) is controlled, and meanwhile, the effects of heat insulation and electric leakage prevention are achieved.
7. The valley electricity energy storage on-demand heating household intelligent heating system of claim 1, characterized in that: the system is internally provided with an automatic exhaust pressure valve and an automatic power-off safety valve.
8. The valley electricity energy storage on-demand heating household intelligent heating system of claim 1, characterized in that: the heat dissipation mode of the heating system is convection heat dissipation, and the wind speed is controlled through the fan (1).
9. The valley electricity energy storage on-demand heating household intelligent heating system of claim 1, characterized in that: the heating system sends the data collected by the system in a mode of MQTT message queue.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010349540.6A CN111561731A (en) | 2020-04-28 | 2020-04-28 | Household intelligent heating system capable of storing energy and supplying heat according to needs by off-peak electricity |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010349540.6A CN111561731A (en) | 2020-04-28 | 2020-04-28 | Household intelligent heating system capable of storing energy and supplying heat according to needs by off-peak electricity |
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| CN111561731A true CN111561731A (en) | 2020-08-21 |
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| CN202010349540.6A Pending CN111561731A (en) | 2020-04-28 | 2020-04-28 | Household intelligent heating system capable of storing energy and supplying heat according to needs by off-peak electricity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111928318A (en) * | 2020-07-29 | 2020-11-13 | 内蒙古科技大学 | Energy storage heating system and automatic energy storage heating vehicle |
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Application publication date: 20200821 |
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