CN209978408U - An integrated solar water heater - Google Patents

Abstract

The utility model relates to an integrated solar water heater, which comprises a packaging frame, a water tank combination and a heat pipe type flat plate collector, wherein the water tank combination and the heat pipe type flat plate collector are arranged in the packaging frame; the heat pipe type flat plate collector is arranged on the front side of the water tank combination and comprises a heat absorption film, a plurality of vertically arranged heat conduction pipes and a transversely arranged circulating flow channel; the water tank combination comprises a plurality of vertically arranged water tanks, a circulating pump and an expansion tank, the lower ends of the water tanks are connected in parallel into a water storage tank body of the water tank through cold water pipes, and cold water interfaces are arranged at the ends of the cold water pipes; the upper end of the water tank is connected into a water storage tank body of the water tank in parallel through a hot water pipe; the two sides of the heat pipe type flat plate collector are both connected with medium circulating pipes, circulating pumps are connected on the medium circulating pipes in series, the medium circulating pipes are led into a water storage tank body of a water tank through a plurality of branch pipes, the branch pipes are communicated with the water storage tank body, a plurality of branch pipes communicated with the water storage tank body are led out of the upper end of the water tank, and the branch pipes are led into a circulating interface on the side of the heat pipe type flat plate collector through the medium circulating.

Description

An integrated solar water heater

technical field

The utility model relates to a solar water heater, in particular to an integrated solar water heater.

Background technique

In today's advocacy of energy saving and environmental protection, solar water heaters are more and more used in life. The basic working principle of solar water heaters is to obtain thermal energy through solar collectors to heat the water in the water tank. At present, many solar collectors on the market are It is installed on the roof through a shelf, which has many drawbacks. First, the roof area is limited, which cannot meet the needs of everyone. Now there are many high-rise buildings, and the residents living in the low-rise buildings are too far away from the roof, which is easy to cause heat loss during the heat transfer process. , and the collector tube type solar water heater is prone to scale, which affects heat transfer; some people on the market also use wall-mounted solar collectors, which are placed outside the balcony, and the water tank is placed indoors. The heat collecting plate on the device absorbs heat and transfers it to the copper pipe equipped with the heat transfer medium, thereby heating the water in the water tank. This structure affects the appearance of the stairs, and the water tank is separated from the heat collecting device. With the use of time, the heat collector is easy to fall off and cause accidents, and the structure is extremely inconvenient for later maintenance and repair of high-rise floors. Maintenance personnel need to be outdoors to replace the internal parts of the heat collector, and the risk factor is very large. .

SUMMARY OF THE INVENTION

The technical problem to be solved by the utility model is to provide an integrated solar water heater, which directly incorporates the solar water heating system into the overall design of the building, so that the integrated modular solar water heating system becomes a part of buildings such as balcony railings, saving energy Space, improve the overall beauty, but also has the characteristics of convenient maintenance.

In order to solve the above-mentioned technical problems, the present invention is realized in the following manner: an integrated solar water heater according to the present utility model comprises an encapsulation frame, a water tank combination arranged in the encapsulation frame, and a heat pipe type flat plate heat collector; the heat pipe The flat plate heat collector is arranged on the front side of the water tank assembly, and includes a heat absorbing film, a number of vertically arranged heat conducting pipes and a horizontally arranged circulating flow channel. The heat conducting pipes are fixedly connected to the rear of the heat absorbing film in a row. The upper part extends into the circulating flow channel, and the left and right sides of the circulating flow channel are provided with a circulating interface;

The water tank combination includes a number of vertically arranged water tanks, a circulating pump and an expansion tank. The lower end of the water tank is connected in parallel to the water storage tank body of the water tank through a cold water pipe, and the end of the cold water pipe is a cold water interface. The water tank is reserved, and the bottom of the reserved water tank is not connected to the cold water pipe in parallel; the upper end of the water tank is connected in parallel to the water storage tank of the water tank through the hot water pipe; the bottom of the reserved water tank leads out the hot water pipe outlet pipe, and the hot water pipe outlet pipe end The upper part is a hot water interface; the circulation interface on one side of the heat pipe type flat plate heat collector is connected with a medium circulation pipe, a circulation pump is connected in series on the medium circulation pipe, and the medium circulation pipe is introduced into the storage tank of the water tank from the bottom of the water tank through several branch pipes. In the water tank, the branch pipes are connected with the water storage tank. The upper end of the water tank leads out a number of branch pipes which are connected with the water storage tank. After the branch pipes are connected in parallel to the medium circulation pipe at the upper end, the medium circulation pipe is introduced into the circulation on the other side of the heat pipe flat plate collector. interface.

A T2 temperature detection sensor is set on the pipeline of the hot water interface end of the water tank, a T1 temperature detection sensor is set on the liquid outlet pipeline of the circulating flow channel, and a controller is set on the circulating pump, and the controller receives the T1 temperature detection sensor and the T2 temperature detection sensor. The feedback signal of the temperature detection sensor is used to control the operation of the circulating pump.

The controller calculates the difference ΔT between the temperature signals collected by the T1 temperature detection sensor and the T2 temperature detection sensor, and compares the difference ΔT with the preset temperature signal value T3 set in the controller, when ΔT is greater than the preset When the temperature signal value is T3, the controller controls the circulating pump to work. After the circulating pump starts to work, it will force the water in the medium circulating pipe to flow and transfer heat to the water tank. When △T is less than the preset temperature signal value T3, the controller controls the circulating pump. Stop working and the heat exchange process ends.

An expansion tank is connected in parallel with the medium circulating pipeline at the outlet of the circulating pump, which is used to buffer the influence of the volume change on the medium circulating pipeline when the volume of the heat conducting medium in the medium circulating pipeline changes due to the change of outdoor air.

The front end of the packaging frame can be sealed by transparent glass, the top can be sealed by sealing glass or baffle, and the rear end can be detachably connected with transparent glass or sealing baffle; the packaging frame can replace the front and side of the balcony of the building The guardrail, as part of the balcony, is directly and fixedly connected to the wall of the main building of the balcony.

The water tank assembly is detachably and fixedly connected to the packaging frame, and the heat pipe type flat plate heat collector is detachably and fixedly connected to the packaging frame.

The water tank is an insulating water tank, and an electric heater is arranged in the water tank for heating the water in the water tank by means of electric heating.

The heat-conducting pipe adopts a super-heat-conducting pipe.

The heat-absorbing film adopts blue heat-absorbing film or black heat-absorbing film.

Positive effects of the utility model: The integrated solar water heater described in the utility model decomposes the traditional wall-mounted water tank into several small water tanks by integrating the encapsulation frame and the balcony of the building, which are built into the encapsulation frame, saving the balcony. The space of the building improves the overall aesthetic feeling of the building; the transparent glass or baffle is detachably connected to the inner side of the encapsulation frame. When it is necessary to repair or replace parts, it can be repaired from the inside of the balcony, which improves the safety factor of maintenance. ; Integrate the solar water heating system with the balcony, minimize the risk of falling off the traditional external solar water heater, and have a high safety factor; connect the heat transfer system in series through a circulating pump, and use the same process and pressure method to actively drive the The heated water flows through the heat pipe, which improves the heat conduction efficiency inside the entire heat collecting integrated unit and greatly shortens the heat collecting time. At the same time, an electric heater is installed in the water tank. The electric heater can adopt the structure of resistance wire heating. When it is cloudy, the solar heat absorption is insufficient, and the water in the water tank can be heated by electric heating to meet the user's hot water supply needs. . Electric heaters are currently a relatively mature technology, which can be realized in various ways and belong to the existing technology.

In the actual application process, the water heater can not only be installed on the balcony, but also can be integrated and installed on various walls or roofs exposed to sunlight, which is perfectly integrated with the house. .

Description of drawings

The present utility model will be described in further detail below with reference to the accompanying drawings and specific embodiments.

Figure 1 is a schematic diagram of the side position structure of an integrated solar water heater;

Figure 2 is a schematic diagram of the structure of the integrated solar water heater back circulation system;

Fig. 3 is the structural representation of heat pipe type flat plate heat collector;

Figure 4 is a schematic diagram of the structure of the integrated solar water heater.

In the figure, 1 heat pipe type flat plate collector, 2 water tank, 3 expansion tank, 4 circulation pump, 5 packaging frame, 6 circulation interface, 7 circulation flow channel, 8 heat pipe, 9 heat absorption film, 10 cold water interface, 11 heat water interface.

Detailed ways

As shown in FIGS. 1 to 4 , the integrated solar water heater of the present invention includes an encapsulation frame 5 , a water tank combination arranged in the encapsulation frame 5 , and a heat pipe type flat plate heat collector 1 ; the heat pipe type flat plate heat collector The device 1 is arranged on the front side of the water tank assembly, and includes a heat absorbing film 9, a plurality of vertically arranged heat conducting pipes 8 and a horizontally arranged circulating flow channel 7. The heat conducting pipes 8 are fixedly connected to the rear of the heat absorbing film 9 in a row, The upper part of the heat pipe 8 extends into the circulation channel 7, and the circulation interface 6 is provided on the left and right sides of the circulation channel 7;

The water tank combination includes a number of vertically arranged water tanks 2, a circulating pump 4 and an expansion tank 3. The lower end of the water tank 2 is connected in parallel to the water storage tank of the water tank 2 through a cold water pipe, and the end of the cold water pipe is a cold water interface 10. A reserved water tank is set in the water tank 2 of the first embodiment, and the rightmost water tank in the structure of the specific embodiment is a reserved water tank, and the bottom of the reserved water tank is not connected to the cold water pipe in parallel; the upper end of the water tank 2 is connected to the water tank 2 in parallel through the hot water pipe. The bottom of the reserved water tank leads out the outlet pipe of the hot water pipe, and the end of the outlet pipe of the hot water pipe is the hot water interface 11; There is a medium circulating pipe, and a circulating pump 4 is connected in series on the medium circulating pipe. The medium circulating pipe is introduced into the water storage tank of the water tank 2 from the bottom of the water tank 2 through several branch pipes. The branch pipes are connected with the water storage tank body. The branch pipes communicated in the water tank are connected in parallel with the medium circulation pipe at the upper end, and then the medium circulation pipe is introduced into the circulation interface 6 on the other side of the heat pipe type flat plate heat collector 1 .

A T2 temperature detection sensor is set on the pipeline of the hot water interface 11 of the water tank 2, a T1 temperature detection sensor is set on the liquid outlet pipeline of the circulating flow channel 7, and a controller is set on the circulating pump 4, and the controller receives the T1 temperature by receiving the T1 temperature detection sensor. The feedback signal of the detection sensor and the T2 temperature detection sensor is used to control the operation of the circulating pump.

The controller calculates the difference ΔT between the temperature signals collected by the T1 temperature detection sensor and the T2 temperature detection sensor, and compares the difference ΔT with the preset temperature signal value T3 set in the controller, when ΔT is greater than the preset When the temperature signal value is T3, the controller controls the circulating pump 4 to work. After the circulating pump 4 starts to work, it will force the water in the medium circulating pipe to flow and transfer the heat to the water tank 2. When ΔT is less than the preset temperature signal value T3, the controller will Control the circulating pump 4 to stop working, and the heat exchange process ends.

An expansion tank 3 is connected in parallel with the medium circulating pipeline at the outlet of the circulating pump 4, which is used to buffer the influence of the volume change on the medium circulating pipeline when the volume of the heat conducting medium in the medium circulating pipeline changes due to the change of outdoor air.

The front end of the packaging frame 5 can be sealed by transparent glass, the top can be sealed by sealing glass or baffle, and the rear end can be detachably connected with transparent glass or sealing baffle; the packaging frame 5 can replace the front of the balcony of the building. , The side guardrail, as part of the balcony, is directly and fixedly connected to the wall of the main building of the balcony.

The water tank assembly is detachably and fixedly connected to the packaging frame 5 , and the heat pipe type flat plate heat collector 1 is detachably and fixedly connected to the packaging frame 5 .

The water tank 2 is an insulating water tank, and an electric heater is arranged in the water tank 2 for heating the water in the water tank by means of electric heating.

The heat pipe 8 is a super heat pipe.

The heat-absorbing film 9 is a blue heat-absorbing film or a black heat-absorbing film.

The working process of the utility model is:

When working, first the heat pipe flat plate collector absorbs the heat of the sun through the heat absorbing film, and transfers the heat to the heat transfer pipe fixed in contact with the heat transfer film, and the heat pipe transfers the heat to the water in the circulating flow channel; when the heat absorption reaches After the set value, that is, after the temperature difference between the water temperature in the circulating flow channel and the hot water interface of the water tank reaches the set value, the circulating pump starts to work, pushing the water in the circulating flow channel to flow into the water tank, and the water in the water tank is completed. Heat exchange, when it is detected that the temperature difference between the water temperature at the hot water interface of the water tank and the water temperature in the circulation flow channel is not large, that is, the difference between the water temperature in the circulation flow channel and the water temperature at the hot water interface position of the water tank does not reach the set value. After that, the circulating pump stops working, and the heat exchange process ends. At this time, the water temperature in the water tank has reached the user's set value, which can meet the user's needs. When the user finds that the sunlight effect is not good during the day and cannot meet the needs of solar heating, the controller can actively start the electric heater in the water tank to heat the water in the water tank by electric heating.

An expansion tank is connected in parallel with the medium circulating pipeline at the outlet of the circulating pump. When the volume of the heat transfer medium in the medium circulating pipeline changes due to the change of outdoor air, it is used to buffer the influence of the volume change on the medium circulating pipeline.

The above only illustrates some functional and structural principles of an integrated solar water heater related to the present utility model. Since it is easy for those skilled in the same technical field to make some modifications on this basis, this specification is not intended to be used. It is necessary to limit the integrated solar water heater described in this utility model to the specific mechanism and scope of application shown or described, so any corresponding modifications and equivalents that may be used belong to the protection scope of this utility model patent .

Claims (9)

1. An integrated solar water heater, characterized in that: it comprises an encapsulation frame, a water tank combination and a heat pipe type flat plate heat collector arranged in the encapsulation frame; the heat pipe type flat plate heat collector is arranged on the front side of the water tank combination, including The heat-absorbing film, a plurality of vertically arranged heat-conducting pipes and a horizontally arranged circulating flow channel, the heat-conducting pipes are fixedly connected to the rear of the heat-absorbing film in a row, the upper part of the heat-conducting pipe extends into the circulating flow channel, and the left and right sides of the circulating flow channel are provided with loop interface; The water tank combination includes a number of vertically arranged water tanks, a circulating pump and an expansion tank. The lower end of the water tank is connected in parallel to the water storage tank body of the water tank through a cold water pipe, and the end of the cold water pipe is a cold water interface. The water tank is reserved, and the bottom of the reserved water tank is not connected to the cold water pipe in parallel; the upper end of the water tank is connected in parallel to the water storage tank of the water tank through the hot water pipe; the bottom of the reserved water tank leads out the hot water pipe outlet pipe, and the hot water pipe outlet pipe end The upper part is a hot water interface; the circulation interface on one side of the heat pipe type flat plate heat collector is connected with a medium circulation pipe, a circulation pump is connected in series on the medium circulation pipe, and the medium circulation pipe is introduced into the storage tank of the water tank from the bottom of the water tank through several branch pipes. In the water tank, the branch pipes are connected with the water storage tank. The upper end of the water tank leads out a number of branch pipes which are connected with the water storage tank. After the branch pipes are connected in parallel to the medium circulation pipe at the upper end, the medium circulation pipe is introduced into the circulation on the other side of the heat pipe flat plate collector. interface. 2. An integrated solar water heater according to claim 1, characterized in that: a T2 temperature detection sensor is arranged on the pipeline of the hot water interface end of the water tank, and a T1 temperature detection sensor is arranged on the liquid outlet pipeline of the circulating flow channel , a controller is set on the circulating pump, and the controller controls the operation of the circulating pump by receiving feedback signals from the T1 temperature detection sensor and the T2 temperature detection sensor. 3. An integrated solar water heater according to claim 2, wherein the controller calculates the difference ΔT between the temperature signals collected by the T1 temperature detection sensor and the T2 temperature detection sensor, and compares the difference ΔT with the control Compared with the preset temperature signal value T3 set in the device, when △T is greater than the preset temperature signal value T3, the controller controls the circulating pump to work. In the water tank, when ΔT is less than the preset temperature signal value T3, the controller controls the circulating pump to stop working, and the heat exchange process ends. 4. An integrated solar water heater according to any one of claims 1, 2 or 3, wherein an expansion tank is connected in parallel with the medium circulation pipe at the outlet of the circulation pump, and when the outdoor air changes, the medium circulation pipe is When the volume of the internal heat transfer medium changes, it is used to buffer the influence of the volume change on the medium circulation pipeline. 5. An integrated solar water heater according to claim 1, characterized in that: the front end of the encapsulation frame can be sealed by transparent glass, the top can be sealed by sealing glass or baffle, and the rear end can be detachably and fixedly connected with Transparent glass or sealed baffle; the encapsulation frame can replace the front and side guardrails of the balcony of the building, and is directly and fixedly connected to the wall of the main building of the balcony as a part of the balcony. 6 . The integrated solar water heater according to claim 5 , wherein the water tank assembly is detachably and fixedly connected to the packaging frame, and the heat pipe flat plate heat collector is detachably and fixedly connected to the packaging frame. 7 . 7. An integrated solar water heater according to claim 1 or 6, wherein the water tank is a thermal insulation water tank, and an electric heater is arranged in the water tank for heating the water in the water tank by means of electric heating. 8 . The integrated solar water heater according to claim 1 , wherein the heat conducting pipe adopts a super heat conducting pipe. 9 . 9 . The integrated solar water heater according to claim 1 , wherein the heat-absorbing film is a blue heat-absorbing film or a black heat-absorbing film. 10 .

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