CN217209895U - Self-operated solar hot water circulating system - Google Patents

Abstract

The utility model discloses a formula of relying on oneself solar hot water circulation system, including solar collector and hot-water tank, the delivery port of solar collector passes through the upper portion intercommunication of heat medium wet return and hot-water tank, and solar collector's water inlet passes through the lower part intercommunication of heat medium feed pipe and hot-water tank, is provided with the hot water circulating pump on the heat medium feed pipe, and one side of solar collector is provided with the solar photovoltaic board, through the wire intercommunication between solar photovoltaic board and the hot water circulating pump. The utility model discloses simple structure practices thrift the electric energy, and frequency of failure is low, has apparent economic value and social value.

Description

Self-operated solar hot water circulating system

Technical Field

The utility model relates to a solar energy conservation technical field, concretely relates to formula of relying on oneself solar hot water circulating system.

Background

The solar hot water circulation system is one of solar hot water systems, when the solar hot water circulation system is in operation, a circulating pump is used for sending water with low temperature in a hot water tank to a heat collector for heating, the water is sent to the hot water tank for storage after the temperature meets the use requirement, and the water is circulated in sequence to complete the circulation heating of the hot water. At present, when a solar hot water circulating system runs, temperature probes are often arranged in a water outlet of a heat collector and a hot water tank, and then whether a hot water circulating pump is started or not is judged according to the temperature difference between the two probes, so that the system is complex, and fault factors of the system are increased; secondly, as the hot water circulating pump is powered by commercial power, the consumption of electric energy is increased, and the running cost of the solar water heating system is also increased; in addition, an intelligent controller needs to be arranged in the hot water circulating system, the temperature probe and the hot water circulating pump need to be subjected to linkage control under the control of the controller, and due to the existence of a control link, the failure frequency of the solar hot water circulating system can be increased along with the prolonging of the service time, so that the long-term normal use of the solar hot water circulating system is not facilitated. Therefore, it is objectively needed to develop a self-operated solar hot water circulation system with simple structure, low power consumption and low failure frequency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure practices thrift the electric energy, and the self-operated solar water heating circulation system that fault frequency is low.

The utility model aims at realizing like this, including solar collector and hot-water tank, the delivery port of solar collector passes through the upper portion intercommunication of heat medium wet return and hot-water tank, and solar collector's water inlet passes through the lower part intercommunication of heat medium feed pipe and hot-water tank, is provided with the hot water circulating pump on the heat medium feed pipe, and one side of solar collector is provided with the solar photovoltaic board, through the wire intercommunication between solar photovoltaic board and the hot water circulating pump.

The utility model discloses change present hot water circulating pump with mains supply into by the direct power supply of solar photovoltaic board to a great deal of control link has been saved, and more simple direct when the system operation, the utility model discloses when the operation, when solar energy irradiation is enough, the high efficiency of solar collector produces hot water, and the solar photovoltaic board also produces more electric energy, and then the automatic start hot water circulating pump, hot water circulating pump high power operation, otherwise, when solar energy irradiation is less, solar collector produces a small amount of hot water, and the solar photovoltaic board produces a small amount of electric energy, and hot water circulating pump low power operation, the result of production is exactly: the stronger the solar irradiation, the faster the solar thermal collector can produce hot water, and simultaneously, the larger the current output by the solar photovoltaic panel, the larger the water supply amount of the hot water circulating pump is, so that the pumping amount of the hot water circulating pump is consistent with the hot water yield of the solar thermal collector, and the two are in a corresponding relation. The utility model discloses simple structure, each part need not insert the commercial power during operation, also need not the battery, more does not need the conversion of direct current-interchange, can play the effect of practicing thrift the electric energy, and simultaneously, the operation of system also need not the coordinated control of probe-controller, has saved a great deal of control link, and then has reduced the fault rate of system. The utility model discloses simple structure practices thrift the electric energy, and frequency of failure is low, has apparent economic value and social value.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

in the figure: the solar water heater comprises a solar heat collector 1, a hot water tank 2, a hot medium return pipe 3, a hot medium water supply pipe 4, a hot water circulating pump 5, a solar photovoltaic panel 6, a vent pipe 7, a water inlet pipe 8, a water outlet pipe 9, a temperature sensor 10, a cold water tank 11, a communicating pipe 12, a water replenishing pipe 13, an electric heating element 14, an electric storage device 15, a water level sensor 16 and a filter.

Detailed Description

The present invention will be further described with reference to the accompanying drawings, but the present invention is not limited in any way, and any changes or improvements based on the present invention are all within the protection scope of the present invention.

As shown in fig. 1, the utility model discloses a solar collector 1 and hot-water tank 2, solar collector 1 is existing equipment, be used for utilizing solar energy to heat water, obtain hot water, hot-water tank 2 then is used for storing hot water, solar collector 1's delivery port passes through heat medium wet return 3 and hot-water tank 2's upper portion intercommunication, solar collector 1's water inlet passes through heat medium feed pipe 4 and hot-water tank 2's lower part intercommunication, be provided with hot water circulating pump 5 on the heat medium feed pipe 4, one side of solar collector 1 is provided with solar photovoltaic board 6, solar photovoltaic board 6 is current structure, be used for utilizing solar energy to produce the electric energy, communicate through the wire between solar photovoltaic board 6 and the hot water circulating pump 5.

The utility model discloses change present hot water circulating pump 5 with mains supply into by the direct power supply of solar photovoltaic board 6 to saved a great deal of control link, more simple directness when the system operation, the utility model discloses when the operation, when solar energy irradiation is enough, solar collector 1 produces hot water fast, solar photovoltaic board 6 also produces more electric energy, and then automatic start hot water circulating pump 5, hot water circulating pump 5 high power operation, otherwise, when solar energy irradiation is less, solar collector 1 produces a small amount of hot water, solar photovoltaic board 6 produces a small amount of electric energy, hot water circulating pump 5 low power operation, the result of production is exactly: the stronger the solar irradiation, the faster the solar heat collector 1 can generate hot water, and simultaneously, the larger the current output by the solar photovoltaic panel 6, the larger the water supply amount of the hot water circulating pump 5, so that the water pumping amount of the hot water circulating pump 5 is consistent with the hot water yield of the solar heat collector 1, and the two are in a corresponding relationship. The utility model discloses simple structure, each part need not insert the commercial power during operation, also need not the battery, more does not need the conversion of direct current-interchange, can play the effect of practicing thrift the electric energy, and simultaneously, the operation of system also need not the coordinated control of probe-controller, has saved a great deal of control link, and then has reduced the fault rate of system.

Be provided with temperature sensor 9 in the hot-water tank 2, temperature sensor 9 is current instrument for monitor the hot water temperature in the hot-water tank 2, grasp the hydrothermal temperature in the hot-water tank 2 in real time, the hydrothermal use of being convenient for.

On the basis of the original structure of the utility model, in order to further save energy and prevent heat waste under certain conditions, a cold water tank 10 can be arranged on one side of a hot water tank 2, the cold water tank 10 is communicated with the hot water tank 2 through a communicating pipe 11, a water supplementing pipe 12 is arranged on the cold water tank 10, a vent pipe 7 is arranged on the top of the hot water tank 2, a water inlet and outlet pipe 8 is arranged on the bottom of the hot water tank 2, hot water in the hot water tank 2 is discharged through the water inlet and outlet pipe 8, the end part of the vent pipe 7 is bent and extends into the lower part of the cold water tank 10, cold water is supplemented into the cold water tank 10 through the water supplementing pipe 12, when the system is operated, a large amount of hot steam can be generated in the hot water tank 2, under normal conditions, the hot steam can be directly discharged, energy waste can be undoubtedly caused, in order to avoid the waste, the cold water tank 10 is introduced into the cold water from the lower part of the cold water tank 10, hot steam produces the bubble in cold water, and the contact in-process of bubble and cold water, cold water can fully absorb the heat in the bubble to promote the moisture condensation water in the bubble, through this kind of mode, both can carry out waste heat recovery to the hot steam that produces in the hot-water tank 2, avoid extravagant, can utilize the heat in the hot steam again to preheat cold water, improve the hydrothermal efficiency of system production.

In the area that the illumination radiation is comparatively sufficient, solar photovoltaic board 6 can produce more sufficient electric energy, at this moment, can set up electric heating element 13 in cold water tank 10, solar photovoltaic board 6 is connected with power storage device 14 through the wire, power storage device 14 is current structure, can store the electric energy, power storage device 14 passes through the wire and communicates with electric heating element 13, electric heating element 13 is current structure, be used for converting the electric energy into heat, when this system operation, when the hot water temperature in hot-water tank 2 reaches the requirement, the operation of hot water circulating pump 5 can be stopped, at this moment, can store the electric energy that solar photovoltaic board 6 produced in power storage device 14, and put through power storage device 14 and electric heating element 13, utilize electric heating element 13 to heat cold water, improve hydrothermal output efficiency.

The top in the hot-water tank 2 is provided with level sensor 15, and level sensor 15 is current instrument for the hydrothermal water level in the monitoring hot-water tank 2 is crossed lowly when the water level, is less than when predetermineeing the water level, the timely moisturizing of being convenient for, otherwise, when the water level was too high, stopped the moisturizing.

Be provided with filter 16 on hot water circulating pump 5 water inlet end's heat medium feed pipe 4, filter 16 is existing equipment, an incrustation scale and impurity for filtering hot water, this system is when using, along with the extension of live time, hot water can produce certain incrustation scale in hot-water tank 2, these incrustations scale can follow heat medium feed pipe 4 and get into solar collector 1, the adhesion back on solar collector 1 inner wall, can reduce solar collector 1 and produce hydrothermal efficiency, in order to prevent the emergence of above-mentioned condition, set up filter 16 on heat medium feed pipe 4, with these incrustations of filtering, thereby guarantee the long-term efficient operation of solar collector 1.

Claims (6)

1. A self-operated solar hot water circulation system comprises a solar heat collector (1) and a hot water tank (2), and is characterized in that a water outlet of the solar heat collector (1) is communicated with the upper portion of the hot water tank (2) through a heat medium return pipe (3), a water inlet of the solar heat collector (1) is communicated with the lower portion of the hot water tank (2) through a heat medium water supply pipe (4), a hot water circulating pump (5) is arranged on the heat medium water supply pipe (4), a solar photovoltaic panel (6) is arranged on one side of the solar heat collector (1), and the solar photovoltaic panel (6) is communicated with the hot water circulating pump (5) through a lead.

2. The self-operated solar hot water circulation system according to claim 1, wherein a temperature sensor (9) is arranged in the hot water tank (2).

3. The self-operated solar hot water circulation system according to claim 1, wherein a cold water tank (10) is arranged on one side of the hot water tank (2), the cold water tank (10) is communicated with the hot water tank (2) through a communication pipe (11), a water replenishing pipe (12) is arranged on the cold water tank (10), a vent pipe (7) is arranged at the top of the hot water tank (2), a water inlet and outlet pipe (8) is arranged at the bottom of the hot water tank (2), and the end part of the vent pipe (7) extends into the lower part of the cold water tank (10) after being bent.

4. The self-operated solar hot water circulation system according to claim 3 is characterized in that an electric heating element (13) is arranged in the cold water tank (10), the solar photovoltaic panel (6) is connected with an electric storage device (14) through a lead, and the electric storage device (14) is communicated with the electric heating element (13) through a lead.

5. The self-operated solar hot water circulation system according to claim 1, wherein a water level sensor (15) is arranged at the top of the hot water tank (2).

6. The self-operated solar hot water circulation system as claimed in claim 1, wherein a filter (16) is arranged on the heating medium water supply pipe (4) at the water inlet end of the hot water circulation pump (5).

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