CN211822621U - Multi-circulation mixing self-changing flow water heater - Google Patents

Abstract

The utility model discloses a multicycle system of mixing is from swaing hot water system, include: the hot water storage tank is used for supplying hot water for the water mixing device of the water consumption equipment; the auxiliary heating equipment is connected with the heat storage water tank and is used for assisting in heating water flowing out of the water outlet port of the heat storage water tank; the plate heat exchanger is respectively connected with the auxiliary heating equipment and the heat storage water tank; and the heating equipment is communicated with the plate heat exchanger and is used for heating. The utility model discloses a hot water system collects the multipotency source water heater like solar water heater or heat pump etc. auxiliary heating equipment, water equipment, heating equipment in an organic whole, can realize the complementary heating of multipotency source simultaneously in order to realize the zero second of water equipment and go out the hot water between multipotency source water heater, auxiliary heating equipment, convenient to use, swift, comfortable, energy-conserving.

Description

Multi-circulation mixing self-changing flow water heater

Technical Field

The utility model relates to an energy technical field, in particular to multicycle system of mixing from alternating current hot water system of multiple energy such as mixing solar energy, heat pump.

Background

In the prior art, in order to save energy, a household often adopts a mode of combining an auxiliary heating device and a solar water heater to supply hot water. When one of the water heaters is used, the other water heater needs to be shut down. When the solar water heater is used alone, when the temperature of water flowing out of the solar water heater is not high due to weather, the solar water heater is used to waste more water.

Disclosure of Invention

In order to solve the deficiency of the prior art, the utility model provides a multicycle system of mixing is from unsteady flow hot water system collects the multipotency source water heater like solar water heater or heat pump etc. auxiliary heating equipment, water equipment, heating equipment in an organic whole, can realize the complementary heating of multipotency source simultaneously, convenient to use, swift, comfortable, energy-conserving in order to realize the zero second of water equipment and go out the hot water between multipotency source water heater, auxiliary heating equipment automatic switch-over.

In order to realize the above object of the present invention, the utility model provides a multicycle system of mixing is from swaing hot water system, it includes: the hot water storage tank is used for supplying hot water for the water mixing device of the water consumption equipment; the auxiliary heating equipment is connected with the heat storage water tank and is used for assisting in heating water flowing out of the water outlet port of the heat storage water tank; the water utilization equipment can be arranged on any side of the plate heat exchanger; and the heating equipment is communicated with the plate heat exchanger and is used for heating.

Further, the method also comprises the following steps: a main hot water supply pipeline, one end of which is communicated with the water outlet port of the heat storage water tank, and the other end of which is communicated with a hot water inlet of a water mixing device of a water using device, and the auxiliary heating device is connected in parallel with the main hot water supply pipeline; one end of the hot water return pipeline is communicated with a hot water outlet of a water mixing device of water consumption equipment, and the other end of the hot water return pipeline is communicated with a water inlet port of the heat storage water tank; the plate heat exchanger is connected with the hot water return pipeline in parallel, and a hot water inlet and a hot water outlet of the plate heat exchanger are respectively communicated with the hot water return pipeline; the water outlet of the heating equipment is communicated with the heat exchange inlet of the plate heat exchanger, and the water inlet of the heating equipment is communicated with the heat exchange outlet of the plate heat exchanger.

Wherein, hot water return water pipeline includes: the first water return pipeline is communicated with a hot water outlet of the water mixing device of the water using equipment; a second water return pipeline, the water inlet of which is communicated with the first water return pipeline; and the water outlet of the third water return pipeline is communicated with the water inlet port of the heat storage water tank.

The plate heat exchanger is connected with the second water return pipeline in parallel, a hot water inlet of the plate heat exchanger is connected with a heat exchanger water inlet pipeline communicated with the first water return pipeline, and a hot water outlet of the plate heat exchanger is connected with a heat exchanger water return pipeline communicated with the third water return pipeline.

And an electric valve for controlling the on-off of the pipeline is arranged on the water inlet pipeline of the heat exchanger.

And an electric valve for controlling the on-off of the pipeline is arranged on the second water return pipeline.

And a circulating pump is arranged on a third water return pipeline of the hot water return pipeline.

The auxiliary heating equipment is a gas water heater or a gas boiler, and the gas boiler can be used as heating equipment.

Further, the method also comprises the following steps: a hot water main supply pipeline, one end of which is communicated with the water outlet port of the heat storage water tank, and the other end of which is communicated with the hot water inlet of the plate heat exchanger; a hot water return pipeline which is respectively communicated with a hot water outlet of the plate heat exchanger and a water inlet port of the heat storage water tank; a heat exchange water outlet pipeline, one end of which is communicated with the heat exchange outlet of the plate heat exchanger and the other end of which is communicated with the hot water inlet of the water device water mixing device; and one end of the heat exchange water return pipeline is communicated with a hot water outlet of the water mixing device of the water consumption equipment, and the other end of the heat exchange water return pipeline is communicated with a heat exchange inlet of the plate type heat exchanger.

Wherein, the water inlet of the heating equipment is communicated with the main hot water supply pipeline, and the water outlet of the heating equipment is communicated with the hot water return pipeline.

Compared with the prior art, the utility model discloses a multicycle mixing system is from changeing flow hot water device has following advantage:

1. the utility model discloses a multicycle system of mixing is from unsteady flow hot water system collects solar water heater (or other energy water heaters), auxiliary heating equipment, water equipment, heating equipment in an organic whole, can reach the hot water of predetermineeing the temperature for water equipment zero second supply in order to realize between solar water heater, auxiliary heating equipment automatic switch-over, and usable plate heat exchanger's heat transfer function provides the heat for heating equipment and uses the heating, a plurality of uses of system, and convenient to use is swift, comfortable, energy-conserving.

2. The utility model discloses a multicycle mixing system is from alternating current hot water system uses a circulating pump to make and carries out former hot water supply circulation between plate heat exchanger and the heat storage water tank, uses another circulating pump to make and carries out the circulation of water after the heat transfer between plate heat exchanger and the heating equipment, and these two hydrologic cycle passageways are kept apart from each other, and with the help of the heat transfer function that the plate heat exchanger heaies up, lowers the temperature, can transmit the heat of hot water return water pipeline to the heating equipment, reach the purpose of utilizing the heating equipment to heat; the secondary heating function of the auxiliary heating equipment can ensure that water supplied to the water using equipment reaches the ideal water temperature, and the water-air switching between the auxiliary heating equipment and the solar water heater is not needed manually, so that the use is simpler and more convenient.

The present invention will be described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural diagram of a multi-cycle mixing automatic variable flow hot water apparatus according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a hybrid variable flow hot water system according to a first embodiment of the present invention (a plate heat exchanger and other components are externally covered by a housing);

FIG. 3 is a schematic structural diagram of a multi-cycle mixing automatic variable flow hot water apparatus according to a second embodiment of the present invention;

fig. 4 is a schematic structural diagram of a multi-cycle mixing automatic variable flow hot water apparatus according to a third embodiment of the present invention.

Detailed Description

As shown in fig. 1, for the utility model discloses the structural schematic diagram of the multicycle mixing system automatic current-transforming hot water apparatus that the first embodiment provided, fig. 3 is the structural schematic diagram of the second embodiment multicycle mixing system automatic current-transforming hot water apparatus, fig. 4 is the structural schematic diagram of the third embodiment multicycle mixing system automatic current-transforming hot water apparatus of the utility model.

As can be seen from fig. 1, 3 and 4, the multi-cycle mixing system self-changing flow hot water apparatus of the present invention includes: the hot water storage tank is used for supplying hot water for the water mixing device of the water consumption equipment; the auxiliary heating equipment is connected with the heat storage water tank and is used for assisting in heating water flowing out of the water outlet port of the heat storage water tank; the water utilization equipment can be arranged on any side of the plate heat exchanger; and the heating equipment is communicated with the plate heat exchanger and is used for heating.

The utility model discloses a multicycle system of mixing is from conversion hot water system, collect multipotency source water heater (like solar water heater, electric water heater, air energy heat pump water heater and other energy water heaters), auxiliary heating equipment, water equipment, heating equipment in an organic whole, can be at multipotency source water heater, automatic switch-over is in order to realize the zero second of water equipment and goes out the hot water between auxiliary heating equipment, and usable plate heat exchanger's heat transfer function provides the heat for heating equipment and uses the heating or provide the hot water for water equipment, a plurality of uses of system, high durability and convenient use, and high speed, comfortablely, and energy conservation.

Through the utility model discloses a multicycle is mixed and is made from current conversion hot-water apparatus carries hot water for water equipment water admixing device (not shown in the figure) constantly, mixes hot water and the cold water that comes from cold water pipeline 5 through water equipment water admixing device, and the water supply after will mixing is for water equipment 4 again to provide the warm water that reaches preset temperature for water equipment 4.

Wherein, the utility model discloses an auxiliary heating equipment can also be gas boiler for gas heater, and gas boiler also can act as heating equipment, promptly, utilizes the complementary adoption of gas boiler heating return water heat transfer warm. The structure of the multi-cycle mixing automatic variable flow water heater according to the present invention will be described in detail with reference to the following embodiments.

First embodiment

As shown in fig. 1, for the structural schematic diagram of the multi-cycle mixing automatic variable flow hot water apparatus provided by the first embodiment of the present invention, the auxiliary heating device of this embodiment adopts a gas water heater 3, and a water device 4 is installed on one side of the hot water inlet of the plate heat exchanger.

As can be seen from fig. 1, the water heating apparatus of the present embodiment includes: the hot water storage tank 1 is used for supplying hot water for a water mixing device of water using equipment; a main hot water supply pipeline 29 with one end communicated with the water outlet port of the heat storage water tank 1 and the other end communicated with a hot water inlet of a water mixing device (not shown) of a water consumption device; the gas water heater 3 is connected with the hot water main supply pipeline 29 in parallel and is used for assisting in heating water flowing out from the water outlet of the heat storage water tank 1; one end of the hot water return pipeline is communicated with a hot water outlet of the water mixing device of the water consumption equipment, and the other end of the hot water return pipeline is communicated with a water inlet port of the heat storage water tank 1; the plate heat exchanger 12 is connected with the hot water return pipeline in parallel, and a hot water inlet and a hot water outlet of the plate heat exchanger are respectively communicated with the hot water return pipeline; and the water outlet of the heating equipment is communicated with the heat exchange inlet of the plate type heat exchanger, and the water inlet of the heating equipment is communicated with the heat exchange outlet of the plate type heat exchanger.

Specifically, the hot water storage tank 1 of the present embodiment may be a hot water storage tank of a solar water heater (or other energy source water heater), and has an outlet port (an upper port as shown in fig. 1) and an inlet port (a lower port as shown in fig. 1). The water outlet port of the heat storage water tank 1 is communicated with one end of a main hot water supply pipeline 29, and the other end of the main hot water supply pipeline 29 is communicated with the water inlet of the water-using equipment water mixing device, so that the water flowing out of the water outlet port of the heat storage water tank 1 is supplied to the water-using equipment water mixing device through the main hot water supply pipeline 29. An on-off valve 2 is arranged between the hot water main supply pipeline 29 and the water outlet port of the heat storage water tank 1. The water mixing device of the water equipment mixes hot water from the main hot water supply pipeline 29 with cold water from the cold water pipe 5 and then supplies the mixed water to one or more water equipment 4, and the water equipment 4 can reach an ideal outlet water temperature. And a hot water outlet of the water-using equipment water mixing device is communicated with a water inlet port of the heat storage water tank 1 through a hot water return pipeline. It should be noted that, the water mixing device of the water-using equipment adopts a device which can mix hot water and cold water in the prior art, and the water flowing out of the hot water outlet is the hot water flowing through the hot water main supply pipeline 29.

In order to bring the water supplied to the water consumer 4 to the desired temperature, a gas water heater 3 is also connected in parallel to the main hot water supply line 29 in order to heat the water flowing out through the outlet of the hot water storage tank 1, which water is at a temperature lower than a predetermined temperature. When in design, a water inlet of the gas water heater 3 is communicated with a water outlet port of the heat storage water tank 1 or one end, close to the heat storage water tank 1, of the main hot water supply pipeline 29 through a reheating water inlet pipe, and a water outlet of the gas water heater 3 is communicated with one end, close to the water using equipment 4, of the main hot water supply pipeline 29 or a hot water inlet of a water mixing device of the water using equipment through a reheating water outlet pipe.

Correspondingly, a temperature detecting element for detecting the temperature of the water flowing out through the water outlet port of the hot water storage tank 1 is installed at one end of the hot water main supply pipeline 29 close to the hot water storage tank 1 or the water outlet port of the hot water storage tank 1, and the detecting element can be a temperature sensor or a thermometer. In addition, an electric valve 18 capable of controlling the on-off of the main hot water supply pipeline 29 is arranged on the part of the main hot water supply pipeline 29 which is connected with the gas water heater 3 in parallel, the electric valve 18 is an electric actuating valve, a triangular valve 19 for controlling the on-off of the pipeline is arranged on the reheating water inlet pipe, and a one-way valve 17 for controlling the water flow to flow from the gas water heater 3 to the main hot water supply pipeline 29 or the water mixing device of the water-using equipment in a one-way mode is arranged on the reheating water outlet pipe.

When the water flowing out of the heat storage water tank 1 is lower than the preset temperature value, the electric valve 18 on the main hot water supply pipeline 29 is closed, the triangular valve 19 on the reheating water inlet pipe is opened, so that the water flowing out of the heat storage water tank 1 flows into the gas water heater 3 through the reheating water inlet pipe, and the water reaching the preset temperature value after being heated by the gas water heater 3 flows into the main hot water supply pipeline 29 or the water mixing device of the water utilization equipment in a one-way mode through the reheating water outlet pipe of the gas water heater 3, so that the water at the ideal temperature is provided for the water utilization equipment 4. When the water flowing out of the water storage tank 1 is equal to or greater than the preset temperature value, the electric valve 18 on the main hot water supply pipeline 29 is automatically opened, so that the water flowing out of the hot water storage tank 1 directly flows into the water mixing device of the water consumption equipment through the main hot water supply pipeline 29, and the water with the ideal temperature is provided for the water consumption equipment 4.

And the hot water flowing out of the hot water outlet of the water mixing device of the water-consuming equipment flows to the water inlet port of the heat storage water tank 1 through a hot water return pipeline. Wherein, as shown in fig. 1, the hot water return pipeline comprises three sections of pipelines: a first water return line 22 communicated with a hot water outlet of the water-using equipment water mixing device; a second water return line 23 having a water inlet communicated with the first water return line 22; and a water outlet of the third water return pipeline 28 is communicated with the water inlet of the heat storage water tank 1. The third water return pipeline 28 is sequentially provided with a circulating pump 14, a one-way valve 13, an automatic exhaust valve 16 and an on-off valve 20 from the water inlet to the water outlet, and the hot water outlet of the water mixing device of the water equipment flows to the hot water return pipeline of the heat storage water tank 1 through the circulating pump 14 for water circulation.

The plate heat exchanger 12 is connected in parallel with the second return water pipeline 23, a hot water inlet thereof is connected with a heat exchanger water inlet pipeline 24 communicated with the first return water pipeline 22, and a hot water outlet thereof is connected with a heat exchanger return water pipeline 30 communicated with the third return water pipeline 28. Or, the plate heat exchanger 12 is connected in series with the whole section of hot water return pipeline.

Specifically, the plate heat exchanger 12 has four ports, as shown in fig. 1, including two ports, an upper port and a lower port on the right side and two ports, an upper port and a lower port on the left side. The upper port on the right side of the plate heat exchanger 12 is a hot water inlet, the lower port on the right side is a hot water outlet, the hot water inlet is communicated with the water outlet of the first water return pipeline 22 through a heat exchanger water inlet pipeline 24 (or the heat exchanger water inlet pipeline 24 can also be directly communicated with the hot water outlet of a water mixing device of water-using equipment), and the hot water outlet is communicated with the water inlet of the third water return pipeline 28 through a heat exchanger water return pipeline 30 (or the heat exchanger water return pipeline 30 can also be directly communicated with the water inlet port of the heat storage water tank 1). Correspondingly, an electric valve 31 for controlling the on-off of the water inlet pipeline 24 of the heat exchanger is arranged on the water inlet pipeline. The second return pipe 23 is also provided with an electric valve 15 for controlling the opening and closing of the pipe.

Wherein, the left upper portion port of plate heat exchanger 12 is the heat transfer export, and the left lower part port is the heat transfer import, and the heat transfer export is linked together through the water inlet of heating return water pipeline 25 with heating equipment 8, and the heat transfer import is linked together through the delivery port of heating inlet pipe 27 with heating equipment 8 to through heating return water pipeline 25, heating inlet pipe 27, make and form a heating hot water circulation passageway between plate heat exchanger 12 left side and the heating equipment 8. The circulation pump 7 is provided in the heating water inlet line 27 to circulate water in the heating hot water circulation passage.

Normally, the electric valve 31 is a closed electric valve, and the electric valve 15 is an open electric valve, and at this time, the first water return pipeline 22, the second water return pipeline 23 and the third water return pipeline 28 are communicated with each other, so that the water flowing out of the hot water outlet of the water mixing device of the water-using equipment directly flows back into the hot water storage tank 1 without flowing through the plate heat exchanger 12.

When the heating equipment 8 is needed to heat, at this time, the plate heat exchanger 12 is needed to exchange heat, the electric valve 31 is turned to be opened, and the electric valve 15 is turned to be closed, so that the first water return pipeline 22, the heat exchanger water inlet pipeline 24, the plate heat exchanger 12, the heat exchanger water return pipeline 30 and the third water return pipeline 28 are communicated with each other, and water flowing out of a hot water outlet of the water mixing device of the water using equipment flows through a right channel inside the plate heat exchanger 12 and flows back into the heat storage water tank 1, that is, the right channel of the plate heat exchanger 12 can form an original hot water circulation channel between the heat exchanger water inlet pipeline 24, the heat exchanger water return pipeline 30, the first water return pipeline 22, the third water return pipeline 28, the main. The plate heat exchanger 12 exchanges heat of heat energy carried by the flowing hot water in the original hot water circulation channel to the heating equipment, so that the heating equipment emits heat to heat. Wherein, the heating equipment 8 can be a radiator and can also be a floor heating.

Further, the apparatus of the present embodiment further includes a hot water tank water replenishing pipeline 26 for replenishing the hot water storage tank 1 and a heat exchanger water replenishing pipeline 32 for replenishing the plate heat exchanger 12.

One end of the hot water tank water supply pipeline 26 is communicated with the water inlet port of the heat storage water tank 1, the other end is communicated with a water inlet device (not shown in the figure) for supplying cold water, and a one-way valve 11 for making water in the pipeline flow towards the water inlet port of the heat storage water tank 1 in a one-way mode is arranged on the hot water tank water supply pipeline, and in the design process, the water outlet end of the pipeline can be converged with the third water return pipeline 28 and then flows towards the water inlet port of the heat storage water tank 1.

And one end of the water supply pipeline 32 of the heat exchanger is connected to the water outlet of the heat exchange water inlet pipeline 27 or the heating equipment 8, and the other end is connected to a water inlet device (not shown in the figure) for supplying cold water, and an electric valve 10 for controlling the on-off of the pipeline is arranged on the water supply pipeline, in order to simplify the structure, the pipeline can be connected to the same water inlet device through a pipeline after being converged with the water supply pipeline 26 of the hot water tank, and a stop valve 9 is arranged on the converged pipeline, that is, as shown in fig. 1, the water supply pipeline 32 of the heat exchanger is connected to the water inlet end of the water supply pipeline 26 of the hot water tank through a three-way valve, and the.

In order to detect the pressure of the heating hot water circulation passage, a pressure detecting element 6, which may be a pressure sensor or a pressure gauge, for detecting the line pressure is also provided on the heating water inlet line 27, and it is determined whether water needs to be supplied into the heating hot water circulation passage or not based on data detected by the pressure detecting element.

When water needs to be added to the heat storage water tank 1, the stop valve 9 is opened (the stop valve 9 is normally in a through state, namely is always opened, and is cut off if water leaks), the electric valve 10 is closed, so that the water adding pipeline 26 of the hot water tank is communicated with the water inlet device, the water adding pipeline 32 of the heat exchanger is disconnected, the cold water supplied by the water inlet device flows into the water adding pipeline 26 of the hot water tank, flows into the third water returning pipeline 28 after passing through the check valve 11, and finally flows into the heat storage water tank through the water inlet port of the heat storage water tank 1.

When water needs to be supplemented to the heating hot water circulation channel, the stop valve 9 is in a straight-through state, the water supplementing pipeline 32 of the heat exchanger is communicated with the water inlet device, the electric valve 10 is opened, and cold water supplied by the water inlet device flows to the water supplementing pipeline 32 of the heat exchanger, flows into the heating water inlet pipeline 27 after passing through the electric valve 10 and then flows into the bottom of the heating equipment 8.

In addition, a temperature sensing probe (not shown in fig. 1) for detecting the temperature of the water inside the hot water return pipeline 28 may be further provided, and may be disposed at a hot water inlet end of the hot water return pipeline 28 close to the hot water storage tank 1 during assembly. Alternatively, the temperature sensing element may be disposed on the main hot water supply line 29.

This embodiment can detect the temperature of water in the hot water circulation passageway through temperature-detecting element to through the flow that the interior water of temperature control heat storage water tank flows, if when the temperature is higher than when predetermineeing the outflow temperature, reduce the flow that heat storage water tank rivers are flowed, and when the temperature was less than when predetermineeing the outflow temperature, increase the flow that heat storage water tank rivers were flowed, thereby realize that heat storage water tank's automation changes flow and goes out water.

During manufacturing, the plate heat exchanger of the multi-cycle mixed automatic variable flow hot water device, the pipeline communicated with the plate heat exchanger, the circulating pump on the pipeline communicated with the plate heat exchanger, and the like can be arranged in a shell (as shown in fig. 2), so that the components can be stored conveniently and the damage to the components can be prevented. In order to facilitate the connection of the above-mentioned components disposed in the housing with the hot water storage tank 1, the water-using device water mixing device, the gas water heater 3, the heating device 8, etc., the pipeline interfaces connected to these components may be exposed out of the housing, as shown in fig. 2, A, B, C, D, E, F, G, H, R respectively represents a plurality of interfaces, i.e., interface a, interface B, interface C, interface D, interface E, interface F, interface G, interface H, and interface R, and these interfaces are exposed out of the housing. As shown in fig. 2 and 3, the interface a is an interface for connecting with a water outlet of a gas water heater, the interface B is an interface for connecting with a water inlet of the gas water heater, the interface C is a terminal return water interface, the interface D is an interface for connecting with a main hot water supply pipeline, the interface E is an interface for connecting with a water inlet of a heating device, the interface F is an interface for connecting with a water outlet of the heating device, or an interface for connecting heating return water of a boiler in series to the boiler, the interface G is an interface for connecting with a water inlet port of a heat storage water tank, the interface H is an interface for connecting with a water outlet port of the heat storage water tank, and the interface R is an interface for communicating with cold water inlet.

In addition, the system of the embodiment also comprises elements such as an electric shock protector and the like. In order to enable the system of this embodiment to automatically provide hot water at a preset temperature for the water consumption equipment, the system of this embodiment further includes a controller, and the controller is electrically connected to the electrical elements (such as an electric valve, an exhaust valve, a check valve, an on-off valve, detection elements, an electric shock protector, a circulation pump, etc.) in this embodiment to control the actions of the electrical elements. The controller and the circuit for controlling each electrical element are tasks that can be easily performed by an electrical engineer in the field, and do not require creative tasks.

It should be noted that the heat storage water tank of the present embodiment may be a heat storage water tank of an electric water heater, may also be a heat storage water tank of an air energy heat pump water heater, and may also be a heat storage water tank of a solar water heater.

Next, the operation of the hot water system of the present embodiment will be described with reference to fig. 1.

When the water using equipment needs to use hot water and the temperature of water flowing out of the heat storage water tank is lower than a set temperature, the water inlet device supplies water to enable the water to flow into the water replenishing pipeline 26 of the water storage tank, flow into the water inlet port of the heat storage water tank 1 through the one-way valve 11 and then flow out of the water outlet port at the upper part of the heat storage water tank 1, the electric valve 18 is closed, the water flows into the gas water heater 3 through the reheating water inlet pipeline, the hot water which is heated by the gas water heater 3 and reaches the preset temperature flows to the hot water inlet of the water mixing device of the water using equipment through the water outlet, and the hot water and; the water flowing out of the hot water outlet of the water-using equipment water mixing device flows through the first water return pipeline 22, the second water return pipeline 23 and the third water return pipeline 28, passes through the circulating pump 14, the one-way valve 13 and the automatic exhaust valve 16 and then returns to the water inlet port at the lower part of the heat storage water tank 1; the cycle is then repeated.

When the water using equipment needs to use hot water and the temperature of water flowing out of the heat storage water tank is equal to or higher than a set temperature, the water inlet device supplies water, so that the water flows into the water replenishing pipeline 26 of the water storage tank and flows into the water inlet port of the heat storage water tank 1 through the one-way valve 11; hot water in the heat storage water tank 1 flows out from a water outlet port at the upper part of the heat storage water tank, the electric valve 18 is opened, the water directly flows to a water mixing device of water using equipment through a main hot water supply pipeline 29, and the water is mixed with cold water to provide water with ideal temperature for the water using equipment; the water flowing out of the hot water outlet of the water-using equipment water mixing device flows through the first water return pipeline 22, the second water return pipeline 23 and the third water return pipeline 28, passes through the circulating pump 14, the one-way valve 13 and the automatic exhaust valve 16 and then returns to the water inlet port at the lower part of the heat storage water tank 1; and then circularly flows according to the flow.

When heating equipment is needed for heating, the electric valve 31 is opened, the electric valve 15 is closed, hot water flowing out of a hot water outlet of the water mixing device of the water utilization equipment flows through the first water return pipeline, the water inlet pipeline of the heat exchanger, the internal channel of the plate heat exchanger, the water outlet pipeline of the heat exchanger and the third water return pipeline in sequence, flows into a water inlet port of the heat storage water tank 1 through the circulating pump 14, the one-way valve 13, the automatic exhaust valve 16 and the on-off valve 20, and then flows in a circulating manner under the action of the circulating pump 14. And the water in the heating hot water circulation channel flows out through the heat exchange outlet of the plate heat exchanger, flows in from the water inlet of the heating equipment through the heating return water pipeline 25, flows in the internal channel of the heating equipment, flows out from the water outlet of the heating equipment, flows in the heating water inlet pipeline 27, flows in the heat exchange inlet of the plate heat exchanger through the circulation of the circulating pump 7, flows in the heat exchange outlet after flowing through the internal channel of the plate heat exchanger 12, and circulates according to the above.

When water needs to be supplied to the heating facility, the water inlet device supplies water, the electric valve 10 is opened, and cold water flows into the heating water inlet pipe 27 through the heat exchanger water supply pipe 32 and flows to the heating facility 8.

Herein, when each valve is opened, it means that the corresponding pipeline is in a state of being conducted; when each valve is closed, the corresponding pipeline is in a disconnected state, namely is not conducted.

The multi-cycle mixing system automatic variable flow hot water device integrates a multi-energy water heater (such as a solar water heater or other energy water heaters), auxiliary heating equipment, water using equipment and heating equipment, can automatically switch between the multi-energy water heater and the auxiliary heating equipment to realize zero-second hot water output of the water using equipment, can provide heat for the heating equipment by utilizing the heat exchange function of the plate heat exchanger to supply heat, and has multiple purposes, and the device is convenient to use, rapid, comfortable and energy-saving.

Second embodiment

As shown in fig. 3, for the utility model discloses the multicycle mixes automatic conversion hot water system's that system that second embodiment provided structure schematic diagram, can be known by fig. 3, the structure of this embodiment device is basically the same with first embodiment, the difference lies in, this embodiment adopts gas boiler 33 to replace gas heater 3 among embodiment 1, namely, the auxiliary heating equipment in this embodiment is gas boiler 33, it has the water inlet that is used for making the water that the heat storage water tank flows into it, a delivery port and boiler return water pipeline for making the hot water of boiler flow through flow out, and gas boiler 33 acts as heating equipment, namely, utilize the complementary heating of gas boiler heating return water heat transfer.

Specifically, the water inlet of the domestic water of the gas boiler 33 is communicated with the water outlet of the heat storage water tank 1 or one end of the main hot water supply pipeline 29 close to the heat storage water tank 1 through a reheating water inlet pipe, and the water outlet of the domestic water of the gas boiler 33 is communicated with one end of the main hot water supply pipeline 29 close to the water using equipment 4 or the hot water inlet of the water using equipment water mixing device through a reheating water outlet pipe.

The hot water after heat exchange by the plate heat exchanger is connected in series with a heating water return pipeline of the gas boiler through a pipeline, that is, a heat exchange outlet (e.g., E14 'in FIG. 3) of the plate heat exchanger is communicated with a water inlet (e.g., E14 in FIG. 3) of the water return pipeline of the gas boiler, and a heat exchange inlet (e.g., F15' in FIG. 3) of the plate heat exchanger is communicated with a water outlet (e.g., F15 in FIG. 3) of the water return pipeline of the gas boiler. Correspondingly, the present embodiment is further provided with an electric valve 21 connected in parallel with the electric valve 18 for controlling the complementary heating. Furthermore, in this embodiment, an inverter 34 may be provided in the main hot water supply pipe 29 between the electric valve 18 and the on-off valve 2, and in this case, the electric valve 21 is connected in parallel with the electric valve 18 and the inverter 34.

When the electric valves 21 and 31 are opened, the whole device is used for heating, water returning, heat exchange and complementary heating; when the electric valves 18 and 15 are opened, the whole device is used for supplying domestic water. When the heating is complemented with the heating of the heating return water heat exchange, the flow direction of the water is as follows (only the serial numbers of the elements shown in fig. 3 are used as examples to illustrate in sequence in the flow path after the water flows out from the heat storage water tank 1): 1 → 29 → 21 (in the open state) → 4 → 22 → 31 (in the open state) → 30 → 13 → 16 → 28 → 20 → 1.

Since the gas boiler is adopted in this embodiment and can be used as a heating device, i.e., heating return water heat exchange complementary heating, compared with embodiment 1, each pipeline and element of the plate heat exchanger in embodiment 1 for communicating with the original heating device 8 are eliminated (see fig. 3).

Third embodiment

As shown in fig. 4, for the structure schematic diagram of the multicycle mixing system automatic variable flow hot water apparatus provided by the third embodiment of the present invention, as can be seen from fig. 4, the auxiliary heating device of the present embodiment adopts the gas water heater 3, and the water using device 4 is disposed on one side of the heat exchange outlet of the plate heat exchanger 12, so as to provide hot water for the water using device 4 by utilizing the heat exchange effect of the plate heat exchanger 12.

Wherein, the hot water system of this embodiment includes: the hot water storage tank 1 is used for supplying hot water for a water mixing device of water using equipment; the auxiliary heating equipment 3 is connected with the heat storage water tank 1 and is used for assisting in heating water flowing out through a water outlet port of the heat storage water tank 1; the plate heat exchanger 12 is respectively connected with the auxiliary heating equipment 3 and the heat storage water tank 1, and the water utilization equipment 4 is arranged on one side of a heat exchange outlet of the plate heat exchanger 12; and the heating equipment is communicated with the plate heat exchanger and is used for heating. In addition, the method further comprises the following steps: a hot water main supply pipeline, one end of which is communicated with the water outlet port of the heat storage water tank, and the other end of which is communicated with the hot water inlet of the plate heat exchanger; a hot water return pipeline which is respectively communicated with a hot water outlet of the plate heat exchanger and a water inlet port of the heat storage water tank; a heat exchange water outlet pipeline, one end of which is communicated with the heat exchange outlet of the plate heat exchanger and the other end of which is communicated with the hot water inlet of the water device water mixing device; and one end of the heat exchange water return pipeline is communicated with a hot water outlet of the water mixing device of the water consumption equipment, and the other end of the heat exchange water return pipeline is communicated with a heat exchange inlet of the plate type heat exchanger. Wherein, the water inlet of the heating equipment is communicated with the main hot water supply pipeline, and the water outlet of the heating equipment is communicated with the hot water return pipeline.

Specifically, as shown in fig. 4, a water outlet of the heat storage water tank 1 is communicated with one end of a main hot water supply pipeline 35, and the other end of the heat storage water tank is communicated with a hot water inlet of the plate heat exchanger 12 and a water inlet of the heating device 8. The gas water heater 3 is connected in parallel to the main hot water supply line 35 to heat the water flowing out through the water outlet of the hot water storage tank 1 and having a temperature lower than a preset temperature. During design, a water inlet of the gas water heater 3 is communicated with a water outlet of the heat storage water tank 1 or one end, close to the heat storage water tank 1, of the main hot water supply pipeline 35 through a reheating water inlet pipe 57, and a water outlet of the gas water heater 3 is communicated with the other end, close to the main hot water supply pipeline 35, of the main hot water supply pipeline 35 through a reheating water outlet pipe 56.

An electric valve 18 capable of controlling the on-off of the main hot water supply pipeline 35 is further arranged on the part of the main hot water supply pipeline 35 which is connected with the gas water heater 3 in parallel, a triangular valve 19 for controlling the on-off of the pipeline is arranged on the reheating water inlet pipe 57, and a one-way valve 17 for controlling the water flow to flow from the gas water heater 3 into the main hot water supply pipeline 35 in one way is arranged on the reheating water outlet pipe 56.

Likewise, the plate heat exchanger 12 has four ports, as shown in fig. 4, including two ports, right side up and down, and two ports, left side up and down. The upper port on the right side of the plate heat exchanger 12 is a hot water inlet, the lower port on the right side is a hot water outlet, the hot water inlet is communicated with the water outlet of the main hot water supply pipeline 35 through the heat exchanger water inlet pipeline 38 (or the hot water inlet is directly communicated with the water outlet of the main hot water supply pipeline 35), and the hot water outlet is communicated with the water inlet of the hot water return pipeline 40 through the heat exchanger water return pipeline 47 (or the heat exchanger water return pipeline 47 can also be directly communicated with the water inlet port of the heat storage water tank 1). Correspondingly, an electric valve 37 for controlling the on-off of the water inlet pipeline 38 of the heat exchanger is arranged on the water inlet pipeline. A circulating pump 46, an automatic exhaust valve 44 and a one-way valve 43 are sequentially arranged on the hot water return pipeline 40 along the direction from the hot water outlet of the plate heat exchanger 12 to the water inlet of the heat storage water tank 1.

The left upper port of the plate heat exchanger 12 is a heat exchange outlet, the left lower port of the plate heat exchanger is a heat exchange inlet, the heat exchange outlet is communicated with a hot water inlet of the water mixing device of the water equipment through a heat exchange water outlet pipeline 55, and the heat exchange inlet is communicated with the hot water outlet of the water mixing device of the water equipment through a heat exchange water return pipeline 54 (or a heat exchange water inlet pipeline 49 and a heat exchange water return pipeline 54 which are communicated with each other). In order to circulate the heat exchange path of the plate heat exchanger, a circulation pump 53, an automatic exhaust valve 52, and a check valve 51 are provided in this order on the heat exchange return pipe 54.

In the present embodiment, the heating facility 8 is connected in parallel to the right side of the plate heat exchanger 12, and as shown in fig. 4, the water inlet of the heating facility 8 communicates with the main hot water supply line 35 through the heating water inlet line 36, and the water outlet of the heating facility 8 communicates with the hot water return line 40 through the heating water return line 46.

In addition, the device of the present embodiment further includes a hot water tank water replenishing pipeline 41 for replenishing the hot water storage tank 1 and a heat exchanger water replenishing pipeline 48 for replenishing the plate heat exchanger 12.

One end of the hot water tank water supply pipeline 46 is communicated with the water inlet port of the hot water storage tank 1, and the other end is communicated with a water inlet device (not shown) for supplying cold water, and an electric valve 42 for controlling the pipeline is arranged on the hot water tank water supply pipeline. When in design, the water outlet end of the pipeline can be converged with the hot water return pipeline 40 and then flows to the water inlet port of the heat storage water tank 1.

And one end of the water supply pipeline 48 of the heat exchanger is communicated with the heat exchange inlet of the plate heat exchanger or a heat exchange water inlet pipeline 49 connected with the heat exchange inlet, and the other end is communicated with a water inlet device (not shown) for supplying cold water, and a check valve 50 is arranged on the water supply pipeline.

To sum up, the utility model discloses a multicycle mixing system is from swaing hot water system, two circulating pumps circulate simultaneously, use one circulating pump to make and carry out former hot water supply circulation between plate heat exchanger and heat storage water tank, use another circulating pump to make and carry out the circulation of hot water after the heat transfer between plate heat exchanger and heating equipment or the water equipment, these two water circulation passageways keep apart each other, and with the help of the heat transfer function of plate heat exchanger intensification, cooling, can transmit the heat to heating equipment or water equipment, reach the purpose that utilizes heating equipment heating or water equipment to go out hot water; the secondary heating function of the auxiliary heating equipment can ensure that water supplied to the water using equipment reaches the ideal water temperature, so that hot water is obtained when the water tap is opened, and the water and gas switching between the auxiliary heating equipment and the solar water heater is not needed manually, so that the auxiliary heating equipment is simpler and more convenient to use.

Although the present invention has been described in detail, the present invention is not limited thereto, and those skilled in the art can modify the principle of the present invention, and therefore, various modifications performed according to the principle of the present invention should be understood as falling into the protection scope of the present invention.

Claims (10)

1. A multi-cycle mixing automatic variable flow hot water device is characterized by comprising:

the hot water storage tank is used for supplying hot water for the water mixing device of the water consumption equipment;

the auxiliary heating equipment is connected with the heat storage water tank and is used for assisting in heating water flowing out of the water outlet port of the heat storage water tank;

the plate heat exchanger is respectively connected with the auxiliary heating equipment and the heat storage water tank;

and the heating equipment is communicated with the plate heat exchanger and is used for heating.

2. The multi-cycle mixing self-changing flow hot water plant as claimed in claim 1, further comprising:

a main hot water supply pipeline, one end of which is communicated with the water outlet port of the heat storage water tank, and the other end of which is communicated with a hot water inlet of a water mixing device of a water using device, and the auxiliary heating device is connected in parallel with the main hot water supply pipeline;

one end of the hot water return pipeline is communicated with a hot water outlet of a water mixing device of water consumption equipment, and the other end of the hot water return pipeline is communicated with a water inlet port of the heat storage water tank;

the plate heat exchanger is connected with the hot water return pipeline in parallel, and a hot water inlet and a hot water outlet of the plate heat exchanger are respectively communicated with the hot water return pipeline;

the water outlet of the heating equipment is communicated with the heat exchange inlet of the plate heat exchanger, and the water inlet of the heating equipment is communicated with the heat exchange outlet of the plate heat exchanger.

3. The multi-cycle hybrid self-changing flow hot water apparatus as claimed in claim 2, wherein the hot water return line comprises:

the first water return pipeline is communicated with a hot water outlet of the water mixing device of the water using equipment;

a second water return pipeline, the water inlet of which is communicated with the first water return pipeline;

and the water outlet of the third water return pipeline is communicated with the water inlet port of the heat storage water tank.

4. The multi-cycle mixing automatic variable flow hot water apparatus according to claim 3, wherein the plate heat exchanger is connected in parallel with the second return line, a heat exchanger water inlet line for communicating with the first return line is connected to a hot water inlet thereof, and a heat exchanger water return line for communicating with the third return line is connected to a hot water outlet thereof.

5. The multi-cycle mixing automatic variable flow hot water system as claimed in claim 4, wherein an electric valve for controlling the on-off of the pipeline is arranged on the water inlet pipeline of the heat exchanger.

6. The multi-cycle mixing automatic variable flow hot water system as claimed in claim 3, wherein an electric valve for controlling the on/off of the pipeline is provided on the second water return pipeline.

7. The multi-cycle mixing automatic variable flow hot water apparatus as claimed in claim 3, wherein a circulation pump is provided on a third return line of the hot water return line.

8. The multi-cycle mixing automatic variable flow hot water system as claimed in claim 1, wherein the auxiliary heating device is a gas water heater or a gas boiler, and the gas boiler can be used as a heating device.

9. The multi-cycle mixing self-changing flow hot water plant as claimed in claim 1, further comprising:

a hot water main supply pipeline, one end of which is communicated with the water outlet port of the heat storage water tank, and the other end of which is communicated with the hot water inlet of the plate heat exchanger;

a hot water return pipeline which is respectively communicated with a hot water outlet of the plate heat exchanger and a water inlet port of the heat storage water tank;

a heat exchange water outlet pipeline, one end of which is communicated with the heat exchange outlet of the plate heat exchanger and the other end of which is communicated with the hot water inlet of the water device water mixing device;

and one end of the heat exchange water return pipeline is communicated with a hot water outlet of the water mixing device of the water consumption equipment, and the other end of the heat exchange water return pipeline is communicated with a heat exchange inlet of the plate type heat exchanger.

10. The multi-cycle mixing automatic variable flow hot water system as claimed in claim 9, wherein the water inlet of the heating facility is connected to the main hot water supply line, and the water outlet of the heating facility is connected to the return hot water line.

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