Low-direct-current wind-light heating kitchen integrated device
By designing a low-DC wind and light warm kitchen integrated device in rural northern China, integrating wind power generation, photovoltaic power generation, energy storage technology and kitchen appliance functions, using wind and light complementary controllers and low-voltage DC heating rods, the large grid power supply pressure during coal-to-power conversion process is solved. The high heating costs have achieved the goal of zero emissions from coal to electricity and zero operation costs for heating.
Patent Information
- Application Number
- CN202421158854.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-24
AI Technical Summary
In rural northern areas, during the coal-to-power conversion process, the power supply pressure in the power grid is too high, and the existing technology fails to make full use of wind and light resources, resulting in large electricity consumption and high operating costs during peak periods of the power grid, and zero emissions and operating costs in heating.
Design a low-DC wind and light warm kitchen integrated device, integrating wind power generation, photovoltaic power generation, energy storage technology and kitchen appliance functions, and realize wind and light complementary low-voltage DC power supply through wind and light complementary controller and low-voltage DC heating rod, combining heat storage and power storage , provides zero emission and zero operating costs heating.
It has achieved zero emissions from coal to electricity, reduced power supply pressure in the power grid, improved energy utilization efficiency, and reduced heating operation costs. Through the combination of wind and light complementary controllers and low-voltage DC heating rods, the energy utilization efficiency and stability are improved.
Smart Images
Figure CN222278710U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wind and solar energy storage, and in particular to a low direct current wind and solar kitchen heating integrated device. Background Art
[0002] In the current process of replacing coal with electricity in the north, the only thing that can be done is to replace coal-fired boilers with electric boilers or air source heat pumps. Only city electricity can be used for heating. In rural areas in the north, after the replacement of coal with electricity is completed, farmers still have a demand for coal for cooking and heating on earthen kangs. The replacement of coal with electricity is not sufficient, which puts too much pressure on the power supply of the power grid. There are sufficient wind and solar resources that are not utilized.
[0003] At present, the coal-to-electricity equipment is mainly air energy and electric boilers. In actual operation, there are problems such as high power consumption during the peak period of the power grid (8 am to 6 pm) and high operating costs. The present invention provides a comprehensive system integrating wind power generation, photovoltaic power generation, energy storage technology, heating function and kitchen appliance energy. Utility Model Content
[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a low DC wind-solar-heating-kitchen integrated device, which integrates wind power generation, photovoltaic power generation, energy storage technology, functions and kitchen appliance functions. Through this system, the purpose of zero emission of coal-to-electricity conversion and zero operating cost of heating can be achieved.
[0005] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a low-DC wind-solar-heating kitchen integrated device, including a tonnage-type flat-top insulated water tank, a heating terminal, an automatic temperature control device, a wind-solar complementary controller, a 36V vertical axis fan, a 36V photovoltaic panel, a 36V battery, a control box and a 36V electric frying pan, a 36V electric rice cooker, a 36V refrigerator, and a 36V water-heated kang. One end of the tonnage-type flat-top insulated water tank is connected to the heating terminal, and the other end of the tonnage-type flat-top insulated water tank is connected to the wind-solar complementary controller through the automatic temperature control device. The wind-solar complementary controller is respectively connected to the 36V vertical axis fan, the 36V photovoltaic panel, and the 36V battery. The 36V battery is connected to the 36V electric frying pan, the 36V electric rice cooker, the 36V refrigerator, and the 36V water-heated kang through the control box.
[0006] Preferably, the tonnage type flat-top insulated water tank is provided with a sewage outlet at the lower part of one side, and a water level line, a return water outlet, an inspection port and an elbow vent are provided on the top. The double-headed water inlet and outlet on the left side of the tonnage type flat-top insulated water tank are connected to the heating end. A 2000-watt low-voltage DC heating rod is provided in the tonnage type flat-top insulated water tank. A water temperature monitoring port is provided above the 2000-watt low-voltage DC heating rod, and the water temperature monitoring port is connected to the temperature automatic control device.
[0007] Preferably, the 2000W low-voltage DC heating rod is a nickel-chromium resistance rod.
[0008] Beneficial effects of the utility model: The utility model has a reasonable structural design, integrating functions such as wind power generation, photovoltaic power generation, electrical energy storage, thermal energy storage heating and kitchen facilities into one system, and through this system, the purpose of zero emission of coal-to-electricity conversion and zero operating cost of heating is achieved. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] The utility model is described in detail below with reference to the accompanying drawings and specific implementation methods;
[0010] Figure 1 It is a system diagram of the utility model;
[0011] Figure 2 It is a schematic diagram of a tonnage type flat-top thermal insulation water tank of the present utility model. DETAILED DESCRIPTION
[0012] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0013] Reference Figure 1-2 The present specific implementation adopts the following technical scheme: a low DC wind-solar-heating kitchen integrated device, including a tonnage-type flat-top insulated water tank 1, a heating terminal 2, an automatic temperature control device 3, a wind-solar-complementary controller 4, a 36V vertical axis fan 5, a 36V photovoltaic panel 6, a 36V battery 7, a control box 8 and a 36V electric frying pan 9, a 36V electric rice cooker 10, a 36V refrigerator 11, and a 36V water-heated kang 12. One end of the tonnage-type flat-top insulated water tank 1 is connected to the heating terminal 2, and the other end of the tonnage-type flat-top insulated water tank 1 is connected to the wind-solar-complementary controller 4 through the automatic temperature control device 3. The wind-solar-complementary controller 4 is respectively connected to the 36V vertical axis fan 5, the 36V photovoltaic panel 6, and the 36V battery 7 is connected to the 36V electric frying pan 9, the 36V electric rice cooker 10, the 36V refrigerator 11, and the 36V water-heated kang 12 through the control box 8.
[0014] The tonnage type flat-top insulated water tank 1 is provided with a sewage outlet 1-1 at the lower part of one side, and a water level line 1-2, a return water outlet 1-3, an inspection port 1-4 and an elbow vent 1-5 are provided on the top respectively. The double-headed water inlet 1-6 and the water outlet 1-7 on the left side of the tonnage type flat-top insulated water tank 1 are connected to the heating terminal 2. A 2000-watt low-voltage DC heating rod 1-8 is provided in the tonnage type flat-top insulated water tank 1, and a water temperature monitoring port 1-9 is provided above the 2000-watt low-voltage DC heating rod 1-8, and the water temperature monitoring port 1-9 is connected to the temperature automatic control device 3.
[0015] This specific implementation method adopts wind-solar complementary low-voltage DC power supply to reduce losses in the process of power conversion and improve energy efficiency. The electricity generated by the wind turbine and solar panels is first used for heating and heat storage in the water storage tank, and at the same time, the kitchen electrical system is charged with energy storage. A wind-solar complementary low-voltage DC heating rod (nickel-chromium resistor) is used to store heat in the heat storage and insulation water tank while heating. The power of the 36-volt low-voltage DC heating rod and the size of the water storage tank depend on the amount of heat required for the heating area. For the specific algorithm, see the relevant heating specifications and atlas. The kitchen equipment in the system is basically configured with a 36-volt electric frying pan, a 36-volt electric rice cooker, a 36-volt refrigerator, and a 36-volt water-heated kang. These devices use the 36-volt DC power stored in the energy storage battery to work, thereby improving energy utilization efficiency and stability.
[0016] This specific implementation adopts DC system control:
[0017] (1) 36V wind-solar hybrid power generation system control: 36V wind-solar hybrid controller is used.
[0018] Its protection functions include: solar reverse charging protection, battery reverse connection protection, battery open circuit protection, overvoltage and overcurrent protection, and lightning protection.
[0019] (2) 36V control circuit protection: DC circuit breaker protection is adopted. The specific model and specifications are configured according to the power consumption of the terminal and the national power design specifications. Its protection functions are: short circuit, open circuit, overload and overcurrent protection.
[0020] Circuit protection of low-voltage DC heating rod (nickel-chromium resistor) for hot water storage tank: The equipment is equipped with an intelligent control box, and its control system is: intelligent thermostat with AC contactor. The maximum water temperature is set to 70 degrees. When the water temperature reaches 70 degrees, the contactor is disconnected and the heating rod stops working. When the water temperature is lower than 70 degrees, the contactor is closed and the heating rod starts working. Its protection device is a 36-volt air circuit breaker, and the protection functions include short circuit, overcurrent, and overvoltage.
[0021] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. Low DC wind and solar kitchen heating integrated device, characterized in that: The invention comprises a tonnage-type flat-top heat preservation water tank (1), a heating terminal (2), an automatic temperature control device (3), a wind-solar hybrid controller (4), a 36V vertical axis fan (5), a 36V photovoltaic panel (6), a 36V storage battery (7), a control box (8), a 36V electric frying pan (9), a 36V electric rice cooker (10), a 36V refrigerator (11), and a 36V water-heated kang (12). One end of the tonnage-type flat-top heat preservation water tank (1) is connected to the heating terminal (2). The other end of the tonnage flat-top insulated water tank (1) is connected to a wind-solar hybrid controller (4) through an automatic temperature control device (3); the wind-solar hybrid controller (4) is respectively connected to a 36V vertical axis fan (5), a 36V photovoltaic panel (6), and a 36V storage battery (7); the 36V storage battery (7) is connected to a 36V electric frying pan (9), a 36V electric rice cooker (10), a 36V refrigerator (11), and a 36V water-heated kang (12) through a control box (8).
2. The low DC wind-solar-heat-kitchen integrated device according to claim 1 is characterized in that: The tonnage type flat-top thermal insulation water tank (1) is provided with a sewage outlet (1-1) at the lower part of one side, and a water level line (1-2), a water return outlet (1-3), an inspection port (1-4) and an elbow vent (1-5) are respectively provided at the top. The double-headed water inlet (1-6) and the water outlet (1-7) on the left side of the tonnage type flat-top thermal insulation water tank (1) are connected to the heating terminal (2). A 2000-watt low-voltage DC heating rod (1-8) is provided in the tonnage type flat-top thermal insulation water tank (1). A water temperature monitoring port (1-9) is provided above the 2000-watt low-voltage DC heating rod (1-8), and the water temperature monitoring port (1-9) is connected to the temperature automatic control device (3).
3. The low DC wind-solar-heat-kitchen integrated device according to claim 2 is characterized in that: The 2000W low-voltage DC heating rod (1-8) is a nickel-chromium resistance rod.