CN207741187U - Solar heating system and solar energy system - Google Patents

Abstract

The utility model provides a solar heating system and a solar system, and relates to the technical field of solar heating. The solar heating system includes a solar heat collecting device, a hot water storage tank and heating equipment. The solar heat collecting device is used for heat storage The water in the water tank is heated; the hot water storage tank is connected with the heating equipment so that hot water can circulate between the hot water storage tank and the heating equipment; the water outlet of the hot water storage tank and the water inlet of the heating equipment A heating device is arranged on the communicating channel, and the heating device is respectively connected with the water inlet and the water outlet of the heating equipment, and the heating device is used to heat the water flowing into the heating equipment from the hot water storage tank; the heating device and the hot water storage tank A first electromagnetic valve is arranged between the water outlets, and a heating circulation pump is arranged between the heating device and the water inlet of the heating equipment, so that after the first electromagnetic valve is closed, the heating device alone circulates and heats the water in the heating equipment.

Description

Solar heating system and solar system

technical field

The utility model relates to the technical field of solar heating, in particular to a solar heating system and a solar system.

Background technique

Solar energy is a kind of renewable energy, which is extensive, safe, durable and huge. As a natural energy source, solar energy has shown its unique advantages with its abundant reserves and non-pollution, and has been internationally recognized as the future One of the most competitive energy sources, among which the solar water heating system is a type, because of its obvious environmental protection benefits, safety, and good economic benefits, it is widely used in production and life. The solar water heating system uses solar energy Heater, a device that collects solar radiation energy to heat water, is an application product with the most economic value, the most mature technology and commercialization in the application and development of solar thermal energy.

Behind the widespread application of solar water heating systems, people can enjoy a steady stream of hot water, and solar water heating systems have been used on a large scale. Thermal power companies provide heating and burn coal to pollute the environment. At the same time, they consume a lot of financial and material resources. In rural areas, coal-fired stoves are used for heating, and combustion furnaces pollute the environment. At the same time, insufficient coal combustion poses safety hazards. The use of solar heating systems can save resources and protect the environment.

The current solar heating system simply uses the heat collecting plate to absorb the energy of sunlight to heat water, and uses the circulation of hot water in the room to increase the indoor temperature. In actual situations, sunlight is affected by the weather. It is extremely serious, resulting in insufficient hot water supply in the system and affecting the use of hot water in daily life.

Utility model content

The purpose of the utility model is to provide a solar heating system and a solar system, so as to alleviate the technical problem that the existing solar heating system is greatly affected by the weather.

The solar heating system provided by the utility model includes a solar heat collecting device, a hot water storage tank and heating equipment, the solar heat collecting device is used to heat the water in the hot water storage tank; Equipment connection to enable hot water to circulate between said storage tank and heating equipment;

A heating device is provided on the communication channel between the water outlet of the hot water storage tank and the water inlet of the heating equipment, and the heating device is respectively connected with the water inlet and the water outlet of the heating equipment, and the heating device is used for heating heating the water flowing into the heating equipment from the hot water storage tank;

A first electromagnetic valve is set between the heating device and the water outlet of the hot water storage tank, and a heating circulation pump is set between the heating device and the water inlet of the heating equipment, so that after the first electromagnetic valve is closed, The heating device independently circulates and heats the water in the heating equipment.

Further, the solar heat collection device includes a solar heat collection mechanism, a circulation medium, a heat exchange coil and a heat collection circulation pump, and the heat collection circulation pump is used to drive the circulation medium to move in the solar heat collection device; The heat exchange coil is placed in the hot water storage tank for heating the water in the hot water storage tank;

The solar heating system includes a controller, the controller is connected to the solar heat collecting device; the medium outlet of the solar heat collecting mechanism is provided with a first temperature detection device, which is used to obtain the circulating medium at the outlet of the solar heat collecting mechanism The temperature value of the hot water storage tank is provided with a second temperature detection device, which is used to obtain the temperature value of the hot water in the hot water storage tank, and the controller is used to circulate at the outlet of the solar heat collection mechanism When the difference between the temperature value of the medium and the temperature value of the hot water in the hot water storage tank is greater than or equal to the first preset value, the solar heat collection device is turned on so that the solar heat collection device can store hot water The water in the tank is heated;

The controller is used to turn off the solar collector when the difference between the temperature value of the circulating medium at the outlet of the solar collector mechanism and the temperature value of the hot water in the hot water storage tank is less than or equal to a second preset value. heat device.

Further, the solar heat collecting mechanism includes a plurality of heat collecting plates, and the heat collecting plates are detachably connected, so that the solar heat collecting mechanism can make full use of space.

Further, the hot water storage tank includes a water replenishment pipeline connected to a water source, and a water replenishment solenoid valve is arranged on the water replenishment pipeline;

A scale treatment device is provided on the water replenishment pipeline to reduce scale in the water entering the hot water storage tank.

Further, a liquid level detection device is provided in the hot water storage tank for detecting the water level in the hot water storage tank;

And the liquid level detecting device is connected with the water supplement solenoid valve, so that the water in the hot water storage tank is replenished when the water level is lower than the preset water level value.

Further, the controller is respectively connected with the heating circulation pump and the heating device, and a third temperature detection device is provided at the water inlet of the heating device for detecting the temperature of the hot water entering the heating device;

The controller is used to control the heating device and the heating heat circulation pump to turn on when the temperature of the hot water entering the heating equipment is greater than or equal to a third preset value;

The controller is used to control the heating device and the heating heat circulation pump to be turned off when the temperature of the hot water entering the heating equipment is less than or equal to a fourth preset value.

Further, the water inlet and the water outlet of the heating equipment are provided with a second electromagnetic valve and a third electromagnetic valve; and a conduit is connected in parallel between the water inlet and the water outlet of the heating equipment, and the conduit is provided with a fourth electromagnetic valve, so that the second electromagnetic valve and the third electromagnetic valve are closed, and after the fourth electromagnetic valve is opened, the heating device can individually heat the water in the hot water storage tank.

Further, a fifth solenoid valve is provided between the heating device and the water outlet of the heating equipment;

The first solenoid valve, the second solenoid valve and the third solenoid valve are normally open valves;

The fourth solenoid valve, the fifth solenoid valve and the water supplement solenoid valve are normally closed valves.

Further, the circulation medium includes antifreeze.

The solar energy system provided by the utility model includes solar power generation equipment and the above-mentioned solar heating system; the solar power generation equipment is used to supply power to the solar heating system.

The solar heating system provided by the utility model comprises a solar heat collecting device, a hot water storage tank and heating equipment, and the solar heat collecting device is used for heating the water in the hot water storage tank. The hot water storage tank is connected with the heating equipment, so that hot water can circulate between the hot water storage tank and the heating equipment, and the hot water in the hot water storage tank can be used for circulating heat release. A heating device is provided on the communication channel between the water outlet of the hot water storage tank and the water inlet of the heating equipment, and the heating device is respectively connected with the water inlet and the water outlet of the heating equipment, and the heating device is used for The water that flows into the heating equipment from the hot water storage tank is heated. In the case of bad weather, the heating device can be used to heat the circulating water, thereby greatly increasing the temperature of the circulating water. At the same time, a first electromagnetic valve is set between the heating device and the water outlet of the hot water storage tank, and a heating circulation pump is set between the heating device and the water inlet of the heating equipment. By closing the first electromagnetic valve, the heating device can It forms a separate circulation path with the heating equipment, so that the heating device can independently circulate and heat the water in the heating equipment, quickly increase the heat release of the heating equipment, and achieve the effect of rapid temperature rise.

The solar energy system provided by the utility model includes solar power generation equipment and the above-mentioned solar heating system; the solar power generation equipment is used to supply power to the solar heating system. The solar energy system can reduce the indoor temperature by using the solar heating system, and at the same time, the solar power generation equipment can supply power to the electrical appliances in the solar heating system, so as to achieve the purpose of maximizing the use of solar energy, protecting the environment and saving energy. .

Description of drawings

In order to more clearly illustrate the specific implementation of the utility model or the technical solutions in the prior art, the accompanying drawings that need to be used in the description of the specific implementation or the prior art will be briefly introduced below. Obviously, the following descriptions The accompanying drawings are some implementations of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without any creative work.

Fig. 1 is the schematic diagram of the solar heating system that the utility model embodiment provides;

Fig. 2 is a partial enlarged view of position A in Fig. 1;

Fig. 3 is the schematic diagram of the solar heat collecting device of the solar heating system provided by the utility model embodiment;

Fig. 4 is a schematic diagram of a solar heating system provided by an embodiment of the utility model.

Icons: 100 - solar collector; 110 - heat collector; 120 - heat exchange coil; 130 - heat circulation pump; 200 - hot water storage tank; 210 - sewage outlet; 220 - overflow; 300 - heating Equipment; 400-heating device; 510-first solenoid valve; 520-second solenoid valve; 530-third solenoid valve; 540-fourth solenoid valve; 550-fifth solenoid valve; 560-hydration solenoid valve; 600- Heating circulation pump; 700-scale treatment device; 800-solar power generation equipment.

Detailed ways

The technical solutions of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are part of the embodiments of the utility model, but not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In the description of the present utility model, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", " "Outside", etc., the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the referred device or element must have a specific Orientation, construction and operation in a particular orientation, therefore should not be construed as limiting the invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance.

As shown in Figure 1-2, the solar heating system provided by the utility model includes a solar heat collection device 100, a hot water storage tank 200 and a heating equipment 300, and the solar heat collection device 100 is used to treat the water in the hot water storage tank 200 for heating. The hot water storage tank 200 is connected with the heating equipment 300 , so that hot water can circulate between the hot water storage tank 200 and the heating equipment 300 , and the hot water in the hot water storage tank 200 can be used for circulating heat release. A heating device 400 is provided on the communication channel between the water outlet of the hot water storage tank 200 and the water inlet of the heating equipment 300, and the heating device 400 is respectively connected to the water inlet and the water outlet of the heating equipment 300, and the heating device 400 is used to heat the water flowing from the hot water storage tank 200 into the heating equipment 300. In bad weather, the heating device 400 can be used to heat the circulating water, thereby greatly increasing the temperature of the circulating water. At the same time, a first electromagnetic valve 510 is set between the heating device 400 and the water outlet of the hot water storage tank 200, and a heating circulation pump 600 is set between the heating device 400 and the water inlet of the heating equipment 300. By closing the first The solenoid valve 510 can make the heating device 400 and the heating equipment 300 form a separate circulation path, so that the heating device 400 can independently circulate and heat the water in the heating equipment 300, and quickly increase the heat release of the heating equipment 300 to achieve rapid temperature rise Effect.

The heating device 400 may include a heating water tank, and an electric heater is arranged in the heating water tank. The heating water tank can play a buffering role, allowing the water to stay in the water tank for a longer period of time to achieve the purpose of heating.

As shown in Figure 3, the solar heat collection device 100 may include a solar heat collection mechanism, a circulation medium, a heat exchange coil 120 and a heat collection circulation pump 130, and the heat collection circulation pump 130 is used to drive the circulation medium in the solar heat collection device. 100; the heat exchange coil 120 is placed in the hot water storage tank 200, and heats the water in the hot water storage tank 200 through heat transfer. The solar heating system may include a controller, the controller is connected to the solar heat collecting device 100, and the medium outlet of the solar heat collecting mechanism may be provided with a first temperature detection device for obtaining the temperature value of the circulating medium at the outlet of the solar heat collecting mechanism , can be set as T1, and the second temperature detection device is arranged in the hot water storage tank 200, which is used to obtain the temperature value of the hot water in the hot water storage tank 200, which can be set as T2, when the difference between T1 and T2 When greater than or equal to the first preset value, turn on the solar thermal collector 100 to enable the solar thermal collector 100 to heat the water in the hot water storage tank 200; when the difference between T1 and T2 is less than or equal to At the second preset value, the solar thermal collector 100 is turned off. For example, when the daily solar radiation reaches a certain intensity, T1 starts to rise, and when the temperature difference between T1 and T2 (T1-T2≥8°C), the collector circulation pump 130 starts to heat the water in the water tank through the heat exchange coil 120 , until the temperature difference between T1 and T2 (T1－T2≤4℃), the heat exchange will stop; the solar heat collection mechanism will continue to absorb the heat of the sun, thus entering the next temperature difference cycle; so repeated, the 200-mile water in the hot water storage tank will be continuously Heat to set temperature.

The solar heat collecting mechanism includes a plurality of heat collecting plates 110, and the heat collecting plates 110 are detachably connected. Depending on the environment, different numbers of heat collecting plates 110 can be spliced together. For example, in the figure, a matrix is used. Arranged so that the space can be fully utilized and the solar energy absorption rate can be maximized.

The hot water storage tank 200 includes a water replenishment pipeline connected to a water source. The water replenishment pipeline is provided with a replenishment solenoid valve 560 . The consumption of domestic water needs to continuously replenish the water in the hot water storage tank 200 . At the same time, a scale treatment device 700 is provided on the water replenishment pipeline, which may be a silicon-phosphorus crystal water processor, and is used to reduce scale in the water entering the hot water storage tank 200 .

The hot water storage tank 200 is provided with a liquid level detection device for detecting the water level in the hot water storage tank 200; and the liquid level detection device is connected with the replenishment solenoid valve 560 so that the water level is lower than the preset water level value The water in the hot water storage tank 200 is replenished from time to time. For example, the hot water storage tank 200 is provided with a corresponding guaranteed bottom water level. When the water level of the hot water storage tank 200 is lower than the corresponding water level, the replenishment solenoid valve 560 is activated to replenish the hot water storage tank 200 until the water level of the water tank reaches the set water level. , stop replenishing the water tank.

The controller is respectively connected with the heating circulating pump 600 and the heating device 400. A third temperature detection device is provided at the water inlet of the heating device 300 to detect the temperature of the hot water entering the heating device 300. It can be set It is T3, that is, it can represent the ability of the heating equipment 300 to raise the temperature of the room. The controller is used to control the heating device 400 and the heating heat circulation pump to turn on when the temperature of the hot water entering the heating equipment 300 is greater than or equal to a third preset value; When the temperature of the hot water in the heating equipment 300 is less than or equal to the fourth preset value, the heating device 400 and the heating heat circulation pump are controlled to be turned off, that is, to ensure that the water temperature in the heating equipment 300 is kept within a certain range. For example, when T3≤15°C (settable), the heating circulation pump 600 is started, and when T3≥18°C (settable), the heating circulation pump 600 is stopped.

The water inlet and the water outlet of the heating equipment 300 are provided with a second electromagnetic valve 520 and a third electromagnetic valve 530; and a conduit is connected in parallel between the water inlet and the water outlet of the heating equipment 300, and a fourth electromagnetic valve 540 . When it is only necessary to quickly heat the water in the hot water storage tank 200, the second solenoid valve 520 and the third solenoid valve 530 can be closed, the fourth solenoid valve 540 can be opened, and the heating device 400 can heat the hot water The water in the tank 200 is heated separately, so as to achieve the purpose of quickly heating up domestic water.

A fifth solenoid valve 550 is arranged between the heating device 400 and the water outlet of the heating equipment 300; the first solenoid valve 510, the second solenoid valve 520 and the third solenoid valve 530 are normally open valves; the fourth solenoid valve The solenoid valve 540, the fifth solenoid valve 550 and the water supplement solenoid valve 560 are normally closed valves. Normally, the hot water storage tank 200 will continuously supply heat to the heating equipment 300, so the first solenoid valve 510, the second solenoid valve 520 and the third solenoid valve 530 are normally open valves, and by adjusting the corresponding large The opening and closing of the valve can make the heating device 400 only heat the hot water storage tank 200, or only heat the heating equipment 300, so as to improve the heating efficiency.

The circulating medium includes antifreeze, which can be but not limited to propylene glycol aqueous solution, which can prevent the circulating medium from freezing at low temperature.

The bottom of the hot water storage tank 200 is provided with a sewage outlet 210, and the upper end is provided with an overflow port 220 to prevent excessive input, and the outer wall of the hot water storage tank 200 is provided with an insulation layer to reduce heat loss.

As shown in FIG. 4 , the solar system provided by the present invention includes a solar power generation device 800 and the above-mentioned solar heating system; the solar power generation device 800 is used to supply power to the solar heating system. By using the solar heating system in the solar system, the indoor temperature can be reduced by the influence coefficient of the outdoor weather. At the same time, the solar power generation equipment 800 can supply power to the electrical appliances in the solar heating system, so as to achieve the purpose of maximizing the use of solar energy, protect the environment and save energy. energy.

Specifically, the solar power generation device 800 includes a solar panel, which mainly supplies power to the heating device 400 , and can also supply power to other electrical appliances such as solenoid valves and controls thereof.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand : It can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the embodiments of the present utility model Scope of technical solutions.

Claims (10)

1. A solar heating system, characterized in that it comprises a solar thermal collector, a hot water storage tank and heating equipment, the solar thermal collector is used to heat the water in the hot water storage tank; the hot water storage The tank is connected with the heating equipment, so that hot water can circulate between the hot water storage tank and the heating equipment; A heating device is provided on the communication channel between the water outlet of the hot water storage tank and the water inlet of the heating equipment, and the heating device is respectively connected with the water inlet and the water outlet of the heating equipment, and the heating device is used for heating heating the water flowing into the heating equipment from the hot water storage tank; A first electromagnetic valve is set between the heating device and the water outlet of the hot water storage tank, and a heating circulation pump is set between the heating device and the water inlet of the heating equipment, so that after the first electromagnetic valve is closed, The heating device independently circulates and heats the water in the heating equipment. 2. The solar heating system according to claim 1, wherein the solar heat collection device comprises a solar heat collection mechanism, a circulation medium, a heat exchange coil and a heat collection circulation pump, and the heat collection circulation pump is used for Drive the circulating medium to move in the solar heat collector; the heat exchange coil is placed in the hot water storage tank for heating the water in the hot water storage tank; The solar heating system includes a controller, the controller is connected to the solar heat collecting device; the medium outlet of the solar heat collecting mechanism is provided with a first temperature detection device, which is used to obtain the circulating medium at the outlet of the solar heat collecting mechanism The temperature value of the hot water storage tank is provided with a second temperature detection device, which is used to obtain the temperature value of the hot water in the hot water storage tank, and the controller is used to circulate at the outlet of the solar heat collection mechanism When the difference between the temperature value of the medium and the temperature value of the hot water in the hot water storage tank is greater than or equal to the first preset value, the solar heat collection device is turned on so that the solar heat collection device can store hot water The water in the tank is heated; The controller is used to turn off the solar collector when the difference between the temperature value of the circulating medium at the outlet of the solar collector mechanism and the temperature value of the hot water in the hot water storage tank is less than or equal to a second preset value. heat device. 3. The solar heating system according to claim 2, wherein the solar heat collecting mechanism comprises a plurality of heat collecting plates, and the heat collecting plates are detachably connected so that the solar heat collecting mechanism Able to make full use of the space. 4. The solar heating system according to claim 2, wherein the hot water storage tank includes a water replenishment pipeline connected to a water source, and a water replenishment solenoid valve is arranged on the water replenishment pipeline; A scale treatment device is provided on the water replenishment pipeline to reduce scale in the water entering the hot water storage tank. 5. The solar heating system according to claim 4, wherein a liquid level detection device is arranged in the hot water storage tank for detecting the water level in the hot water storage tank; And the liquid level detecting device is connected with the water supplement solenoid valve, so that the water in the hot water storage tank is replenished when the water level is lower than the preset water level value. 6. The solar heating system according to claim 5, wherein the controller is connected to the heating circulation pump and the heating device respectively, and a third temperature detection device is arranged at the water inlet of the heating device, and is used to Used to detect the temperature of hot water entering the heating equipment; The controller is used to control the heating device and the heating heat circulation pump to turn on when the temperature of the hot water entering the heating equipment is greater than or equal to a third preset value; The controller is used to control the heating device and the heating heat circulation pump to be turned off when the temperature of the hot water entering the heating equipment is less than or equal to a fourth preset value. 7. The solar heating system according to claim 6, wherein the water inlet and the water outlet of the heating equipment are provided with a second electromagnetic valve and a third electromagnetic valve; and the water inlet and the water outlet of the heating equipment A conduit is connected in parallel between them, and a fourth solenoid valve is arranged on the conduit to close the second solenoid valve and the third solenoid valve. After the fourth solenoid valve is opened, the heating device can store hot water The water in the tank is heated separately. 8. The solar heating system according to claim 7, characterized in that, a fifth solenoid valve is arranged between the heating device and the water outlet of the heating equipment; The first solenoid valve, the second solenoid valve and the third solenoid valve are normally open valves; The fourth solenoid valve, the fifth solenoid valve and the water supplement solenoid valve are normally closed valves. 9. The solar heating system of claim 2, wherein the circulation medium includes antifreeze. 10. A solar energy system, characterized by comprising solar power generation equipment and the solar heating system according to any one of claims 1-9; the solar power generation equipment is used to supply power to the solar heating system.