Electric heat storage device and method of using the same

Abstract

The present invention provides an electric heat storage device and a method for using the electric heat storage device; the electric heat storage device is connected to a water source and a heating pipeline respectively, and the electric heat storage device includes: an electric heating furnace body, a first three-way valve, a second three-way valve, a third three-way valve, a water storage pipe, a heat exchange pipe and a fourth three-way valve; a water inlet pipe and a water outlet pipe are arranged on both sides of the electric heating furnace body; the first three-way valve is provided with a first water inlet, a first water outlet and a second water outlet, the first water inlet of the first three-way valve is connected to the water outlet pipe, and the first water outlet of the first three-way valve is connected to the heating pipeline; the second three-way valve is provided with a second water inlet, a third water inlet and a third water outlet, and the second water outlet of the second three-way valve is connected to the water inlet pipe; the third three-way valve is provided with a fourth water inlet, a fourth water outlet and a fifth water outlet, the fourth water inlet of the third three-way valve is connected to the water source, and the fourth water outlet of the third three-way valve is connected to the second water inlet of the second three-way valve.

Description

Technical Field

[0001] The present invention relates to the field of electric heat storage technology, and in particular to an electric heat storage device and a method for using the electric heat storage device. Background Art

[0002] At present, in the relevant technology, water heating always consumes electric furnace for continuous heating, which consumes a lot of electricity, causes waste of resources, and has low working efficiency. Therefore, it is very necessary to design an electric heat storage device to reduce energy consumption. Summary of the Invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art or related art.

[0004] To this end, a first aspect of the present invention provides an electric thermal storage device.

[0005] A second aspect of the present invention provides a method for using an electric thermal storage device.

[0006] In view of this, the present invention provides an electric heat storage device, which is connected to a water source and a heating pipeline respectively, and the electric heat storage device comprises: an electric heating furnace body, a first three-way valve, a second three-way valve, a third three-way valve, a water storage pipeline, a heat exchange pipe and a fourth three-way valve; a water inlet pipe and a water outlet pipe are arranged on both sides of the electric heating furnace body; the first three-way valve is provided with a first water inlet, a first water outlet and a second water outlet, the first water inlet of the first three-way valve is connected to the water outlet pipe, and the first water outlet of the first three-way valve is connected to the heating pipeline; the second three-way valve is provided with a second water inlet, a third water inlet and a third water outlet, and the second water outlet of the second three-way valve is connected to the water inlet pipe; the third three-way valve is provided with a fourth water inlet, a fourth water outlet and a fifth water outlet, and the fourth water inlet of the third three-way valve is connected to the The water sources are connected, and the fourth water outlet of the third three-way valve is connected to the second water inlet of the second three-way valve; the water storage pipe is a hollow cavity, one end of the water storage pipe is connected to the fifth water outlet of the third three-way valve, and the other end of the water storage pipe is connected to the third water inlet of the second three-way valve; the heat exchange tube is spirally wound on the outside of the water storage pipe, and one end of the heat exchange tube is connected to the second water outlet of the first three-way valve; the fourth three-way valve is provided with a fifth water inlet, a sixth water inlet and a sixth water outlet, and the fourth three-way valve is located between the second three-way valve and the third three-way valve, the fifth water inlet of the fourth three-way valve is connected to the fourth water outlet of the third three-way valve, the sixth water inlet of the fourth three-way valve is connected to the other end of the heat exchange pipe, and the sixth water outlet of the fourth three-way valve is connected to the second water inlet of the second three-way valve.

[0007] In this technical solution, firstly, a water inlet pipe and a water outlet pipe are provided on both sides of the electric furnace body, so that the water inlet pipe and the water outlet pipe are connected to the electric furnace body, thereby enabling water to enter the electric furnace body through the water inlet pipe to heat the water, and the heated water can be discharged through the water outlet pipe; secondly, a first water inlet, a first water outlet and a second water outlet are provided to the first three-way valve, so that the first water inlet of the first three-way valve is connected to the water outlet pipe, and the first water outlet of the first three-way valve is connected to the heating pipeline, thereby enabling the heating of the water. The first three-way valve is used to control and adjust the opening or closing of the pipeline between the water outlet pipe and the heating pipeline; again, by providing the second three-way valve with a second water inlet, a third water inlet and a third water outlet, the second water outlet of the second three-way valve is connected to the water inlet pipe, thereby realizing the opening or closing of the external water source and the water inlet pipe controlled by the second three-way valve; again, by providing the third three-way valve with a fourth water inlet, a fourth water outlet and a fifth water outlet, the fourth water inlet of the third three-way valve is connected to the water source, and the fourth water outlet of the third three-way valve is connected to the second and third The second water inlet of the three-way valve is connected to the third water inlet, so that the water source can be opened or closed by adjusting the third three-way valve; by forming the water storage pipe into a hollow cavity, one end of the water storage pipe is connected to the fifth water outlet of the third three-way valve, and the other end of the water storage pipe is connected to the third water inlet of the second three-way valve, so that the water flowing in from the fifth water outlet is stored and accommodated by the water storage pipe and flows out from the third water inlet; again, by spirally winding the heat exchange pipe on the outside of the water storage pipe, one end of the heat exchange pipe is connected to the second water outlet of the first three-way valve, so that The water flow is introduced into the heat exchange tube through the first three-way valve; and the fourth three-way valve is provided with a fifth water inlet, a sixth water inlet, and a sixth water outlet, so that the fourth three-way valve is located between the second three-way valve and the third three-way valve, and the fifth water inlet of the fourth three-way valve is connected to the fourth water outlet of the third three-way valve, so that the sixth water inlet of the fourth three-way valve is connected to the other end of the heat exchange tube, and the sixth water outlet of the fourth three-way valve is connected to the second water inlet of the second three-way valve, so that the water flow in the heat exchange tube flows into the electric heating furnace body from the fourth three-way valve. This connection method is simple in structure and easy to use. When the third three-way valve is opened, water flows into the water storage pipe through the water inlet pipe, and then the first three-way valve is opened to allow the water heated by the electric heating furnace body to flow into the heat exchange tube to exchange heat with the water in the water storage pipe, thereby increasing the temperature of the water in the water storage pipe. When the water temperature in the water storage pipe reaches a certain level, it flows into the electric heating furnace body, thereby reducing the energy consumption required for heating water and thus reducing production costs.During specific use, the third three-way valve is turned to connect the fourth water inlet of the third three-way valve with the fourth water outlet of the third three-way valve; then, the fourth three-way valve is turned to connect the fifth water inlet of the fourth three-way valve with the sixth water outlet of the fourth three-way valve, and at the same time, the second three-way valve is turned to connect the second water inlet of the second three-way valve with the third water outlet of the second three-way valve, so that the water in the water source flows into the electric heating furnace body; the electric heating furnace body is started to heat the water flowing into the electric heating furnace body. When the water is heated to a specific temperature, the first three-way valve is turned to connect the first water inlet of the first three-way valve with the second water outlet, so that the heated water fills the inner heat exchange tube; after the water fills the heat exchange tube, the first three-way valve is turned to connect the first water inlet of the first three-way valve with the heating pipeline, so as to supply water to the heating pipeline; Then, turn the third three-way valve to connect the fourth water inlet of the third three-way valve with the fifth water outlet of the third three-way valve, so that water flows into the water storage pipe, thereby causing heat exchange between the water in the water storage pipe and the water in the heat exchange tube; then, after a certain period of time, turn the second three-way valve to connect the third water inlet of the second three-way valve with the third water outlet of the second three-way valve, so that the water in the water storage pipe flows into the electric heating furnace body for heating, so that the electric heating furnace body heats the water after heat exchange; after a certain period of time, when the water temperature in the heat exchange tube drops, turn the fourth three-way valve to connect the sixth water inlet of the fourth three-way valve with the sixth water outlet of the fourth three-way valve, and at the same time, turn the second three-way valve to connect the second water inlet of the second three-way valve with the third water outlet of the second three-way valve, so that the water in the heat exchange tube flows back to the electric heating furnace body for reheating. This product utilizes the residual heat of heated water to exchange heat with unheated water, and then allows the heat-exchanged water to flow into the electric heating furnace body, so that the electric heating furnace body heats the water, thereby saving the energy consumption required by the electric heating furnace body to heat the water flowing into it to the boiling point, thereby reducing product production.

[0008] In addition, the electric heat storage device in the above technical solution provided by the present invention may also have the following additional technical features:

[0009] In the above technical solution, preferably, the electric heat storage device also includes: an insulation shell, insulation cotton and a support; the insulation shell is a hollow cavity, and the insulation shell is arranged on the outside of the heat exchange tube; the insulation cotton is attached to the inner wall of the insulation shell, and the insulation cotton is wrapped around the outside of the heat exchange tube; the support is connected to the bottom of the insulation shell, and the support is fixed on the ground.

[0010] In this technical solution, the insulation shell is made into a hollow cavity and is placed on the outside of the heat exchange tube, so that the heat exchange tube is insulated by the insulation shell, thereby extending the service life of the water in the heat exchange tube; by attaching the insulation cotton to the inner wall of the insulation shell, the insulation cotton is wrapped around the outside of the heat exchange tube to prevent the water flow in the heat exchange tube from dissipating heat too quickly, reducing energy loss and saving usage costs; by connecting the support to the bottom of the insulation shell and fixing the support on the ground, the insulation shell is supported by the support, thereby improving the stability of the device.

[0011] In the above technical solution, preferably, the electric heat storage device also includes: a first pipe temperature detector; the first pipe temperature detector is arranged between the heat exchange pipe and the fourth three-way valve, the first pipe temperature detector is electrically connected to the fourth three-way valve, and the first pipe temperature detector is electrically connected to the first three-way valve.

[0012] In this technical solution, by arranging the first pipe temperature detector between the heat exchange pipe and the fourth three-way valve, electrically connecting the first pipe temperature detector to the fourth three-way valve, and electrically connecting the first pipe temperature detector to the first three-way valve, the temperature inside the heat exchange pipe can be monitored. When the first pipe temperature detector detects that the temperature is too low and cannot effectively heat the water in the water storage pipe, the water in the heat exchange pipe is allowed to enter the electric furnace body for further heating, thereby saving energy and improving the practicality of the product.

[0013] In the above technical solution, preferably, the electric heat storage device further includes: a second pipe temperature detector; the second pipe temperature detector is arranged between the water storage pipe and the second three-way valve, and the second pipe temperature detector is electrically connected to the second three-way valve.

[0014] In this technical solution, by arranging the second pipe thermometer between the water storage pipe and the second three-way valve, the second pipe thermometer is electrically connected to the second three-way valve, so that the water storage pipe is heated by the second pipe thermometer. When the heating temperature of the water storage pipe by the heat exchange tube reaches a certain value, the water in the water storage pipe is introduced into the electric furnace body for heating, thereby effectively saving energy and improving the practicality of the product.

[0015] In the above technical solution, preferably, the electric heat storage device also includes: a main valve, a first water level sensor and a second water level sensor; one end of the main valve is connected to the water source, and the other end of the main valve is connected to the fourth water inlet of the third three-way valve; the first water level sensor is arranged in the electric furnace body; the second water level sensor is arranged in the electric furnace body, and the second water level sensor is located above the first water level sensor.

[0016] In this technical solution, one end of the main valve is connected to the water source, and the other end of the main valve is connected to the fourth water inlet of the third three-way valve, so that the inflow of water can be controlled by the main valve; the first water level sensor is set in the electric furnace body, and the water level height in the electric furnace body is monitored by the second water level sensor. When the water level is too low, a prompt is given and water is added to prevent the water in the electric furnace body from evaporating due to excessive temperature when the water is heated, thereby causing damage to the bottom of the electric furnace body, thereby improving the safety of the device; the second water level sensor is set in the electric furnace body, and the second water level sensor is located above the first water level sensor, and the water level height in the electric furnace body is monitored by the second water level sensor. When the water level is too high, a prompt is given and water addition is stopped to prevent the water in the electric furnace body from boiling due to increased air pressure when heated, thereby improving the safety of the device.

[0017] In the above technical solution, preferably, the electric heat storage device further comprises: a first water level sensor having a distance from the bottom of the electric furnace body; and a second water level sensor having a distance from the top of the electric furnace body.

[0018] In this technical solution, by spacing the first water level sensor from the bottom of the electric heater body and spacing the second water level sensor from the top of the electric heater body, the amount of water added at different water levels in the electric heater body can be controlled, and the electric heater body stops heating when the water level is too low or too full.

[0019] The present invention provides a method for using an electric heat storage device, the method for using the electric heat storage device comprising: opening the main valve, turning the third three-way valve, so that the fourth water inlet of the third three-way valve is connected to the fourth water outlet of the third three-way valve; turning the fourth three-way valve, so that the fifth water inlet of the fourth three-way valve is connected to the sixth water outlet of the fourth three-way valve, and at the same time, turning the second three-way valve, so that the second water inlet of the second three-way valve is connected to the third water outlet of the second three-way valve, so that water in a water source flows into the electric furnace body; starting the electric furnace body, so that the electric furnace body heats the water flowing into the interior thereof, and when the water is heated to a specific temperature, turning the first three-way valve, so that the first water inlet of the first three-way valve is connected to the second water outlet, so that the heated water fills the heat exchange tube; after the water fills the heat exchange tube, turning the first three-way valve, so that the first water inlet of the first three-way valve is connected to the second water outlet The water inlet is connected to the heating pipeline; turn the third three-way valve to connect the fourth water inlet of the third three-way valve with the fifth water outlet of the third three-way valve, so that water flows into the water storage pipe, thereby causing heat exchange between the water in the water storage pipe and the water in the heat exchange pipe; after a certain period of time, turn the second three-way valve to connect the third water inlet of the second three-way valve with the third water outlet of the second three-way valve, so that the water in the water storage pipe flows into the electric heating furnace body for heating, and then trigger S4; after a certain period of time, when the water temperature in the heat exchange pipe drops, turn the fourth three-way valve to connect the sixth water inlet of the fourth three-way valve with the sixth water outlet of the fourth three-way valve, and at the same time, turn the second three-way valve to connect the second water inlet of the second three-way valve with the third water outlet of the second three-way valve, so that the water in the heat exchange pipe flows back to the electric heating furnace body for reheating, and at the same time trigger step S3 again.

[0020] In this technical solution, first, by opening the main valve, the third three-way valve is turned to connect the fourth water inlet of the third three-way valve with the fourth water outlet of the third three-way valve, so that water flows into the water storage pipe for storage; secondly, the fourth three-way valve is turned to connect the fifth water inlet of the fourth three-way valve with the sixth water outlet of the fourth three-way valve, and at the same time, the second three-way valve is turned to connect the second water inlet of the second three-way valve with the third water outlet of the second three-way valve, so that water in the water source flows into the electric heating furnace body; thirdly, by starting the electric heating furnace body, the electric heating furnace body heats the water flowing into it. When the water is heated to a specific temperature, the first three-way valve is turned to connect the first water inlet of the first three-way valve with the second water outlet, so that the heated water fills the heat exchange tube; thirdly, after the water fills the heat exchange tube, the first three-way valve is turned to connect the first water inlet of the first three-way valve with the heating pipeline, so as to stop the water injection into the heat exchange tube; First, by turning the third three-way valve, the fourth water inlet of the third three-way valve is connected to the fifth water outlet of the third three-way valve, so that water flows into the water storage pipe, thereby causing heat exchange between the water in the water storage pipe and the water in the heat exchange pipe, thereby improving the utilization rate of hot water and saving energy; third, after waiting for a certain time, the second three-way valve is turned to connect the third water inlet of the second three-way valve with the third water outlet of the second three-way valve, so that the water in the water storage pipe flows into the electric heating furnace body; third, after waiting for a certain time, when the water temperature in the heat exchange pipe drops, the fourth three-way valve is turned to connect the sixth water inlet of the fourth three-way valve with the sixth water outlet of the fourth three-way valve. At the same time, the second three-way valve is turned to connect the second water inlet of the second three-way valve with the third water outlet of the second three-way valve, so that the water in the heat exchange pipe flows back to the electric heating furnace body for reheating; adopting this structure, this reciprocating cycle improves the heating efficiency of the device, saves energy, and thus improves the practicality of the device.

[0021] In the above technical solution, preferably, the method for using the electric heat storage device also includes: setting a first pipe temperature detector between the heat exchange pipe and the fourth three-way valve, and electrically connecting the first pipe temperature detector to the fourth three-way valve and the first three-way valve at the same time, so that the first pipe temperature detector measures the temperature of the heat exchange pipe; when the temperature in the heat exchange pipe is lower than a preset value, triggering step S7 and triggering step S3 at the same time.

[0022] In this technical solution, a first pipe temperature detector is disposed between the heat exchange pipe and the fourth three-way valve, and the first pipe temperature detector is electrically connected to both the fourth three-way valve and the first three-way valve, so that the first pipe temperature detector measures the temperature of the heat exchange pipe. When the temperature in the heat exchange pipe is lower than a preset value, step S7 is triggered, and step S3 is triggered simultaneously. This achieves a prompt when the temperature in the heat exchange pipe is lower than the preset value, and causes the water in the heat exchange pipe to flow into the electric heating furnace body for heating, thereby preventing the water in the heat exchange pipe from being unable to be effectively heated due to the temperature being too low, thereby improving the working efficiency of the device.

[0023] In the above technical solution, preferably, the method for using the electric heat storage device also includes: setting a second pipe thermometer between the water storage pipe and the second three-way valve, and electrically connecting the second pipe thermometer to the second three-way valve, so that the second pipe thermometer measures the stability of the water storage pipe; when the temperature of the water storage pipe is higher than the preset value, triggering step S6.

[0024] In this technical solution, a second pipe thermometer is arranged between the water storage pipe and the second three-way valve, and the second pipe thermometer is electrically connected to the second three-way valve so that the second pipe thermometer measures the stability of the water storage pipe; when the temperature of the water storage pipe is higher than a preset value, step S6 is triggered, so that when the temperature of the water storage pipe heated by the heat exchange tube is higher than the preset value, the water in the water storage pipe flows into the electric furnace body for heating, thereby improving work efficiency and reducing energy waste.

[0025] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description which follows, or may be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments with reference to the following drawings, in which:

[0027] Figure 1 A schematic structural diagram of an electric thermal storage device according to an embodiment of the present invention is shown;

[0028] Figure 2 A schematic structural diagram of an electric thermal storage device according to another embodiment of the present invention is shown;

[0029] Figure 3 A flow chart showing a method for using an electric thermal storage device according to one embodiment of the present invention is shown;

[0030] in, Figure 1 and Figure 2 The corresponding relationship between the reference numerals and component names is as follows:

[0031] 10 Electric heating furnace body, 12 First three-way valve, 14 Second three-way valve, 16 Third three-way valve, 18 Water storage pipe, 20 Heat exchange tube, 22 Fourth three-way valve, 24 Insulation shell, 26 Insulation cotton, 28 Support, 30 First pipe temperature detector, 32 Second pipe temperature detector, 34 Main valve, 36 First water level sensor, 38 Second water level sensor. DETAILED DESCRIPTION

[0032] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the absence of conflict, the embodiments of the present application and the features therein can be combined with each other.

[0033] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0034] Refer to the following Figure 1 and Figure 2 A schematic structural diagram of an electrothermal heat storage device according to some embodiments of the present invention is described.

[0035] In the first embodiment of the present invention, Figure 1 and Figure 2 As shown, the electric heat storage device is connected to the water source and the heat supply pipeline respectively, and the electric heat storage device includes: an electric furnace body 10, a first three-way valve 12, a second three-way valve 14, a third three-way valve 16, a water storage pipe 18, a heat exchange pipe 20 and a fourth three-way valve 22; a water inlet pipe and a water outlet pipe are provided on both sides of the electric furnace body 10; the first three-way valve 12 A first water inlet, a first water outlet and a second water outlet are provided, the first water inlet of the first three-way valve 12 is connected to the water outlet pipe, and the first water outlet of the first three-way valve 12 is connected to the heating pipeline; the second three-way valve 14 is provided with a second water inlet, a third water inlet and a third water outlet, and the second water outlet of the second three-way valve 14 is connected to the water inlet pipe; the third three-way valve 16 is provided with a fourth water inlet, a fourth water outlet and a fifth water outlet, the fourth water inlet of the third three-way valve 16 is connected to the water source, and the fourth water outlet of the third three-way valve 16 is connected to the second water inlet of the second three-way valve 14; the water storage pipe 18 is a hollow cavity, and one end of the water storage pipe 18 is connected to the first end of the third three-way valve 16 The five water outlets are connected, and the other end of the water storage pipe 18 is connected to the third water inlet of the second three-way valve 14; the heat exchange tube 20 is spirally wound on the outside of the water storage pipe 18, and one end of the heat exchange tube 20 is connected to the second water outlet of the first three-way valve 12; the fourth three-way valve 22 is provided with a fifth water inlet, a sixth water inlet and a sixth water outlet, and the fourth three-way valve 22 is located between the second three-way valve 14 and the third three-way valve 16, the fifth water inlet of the fourth three-way valve 22 is connected to the fourth water outlet of the third three-way valve 16, the sixth water inlet of the fourth three-way valve 22 is connected to the other end of the heat exchange tube 20, and the sixth water outlet of the fourth three-way valve 22 is connected to the second water inlet of the second three-way valve 14.

[0036] In this embodiment, firstly, by providing a water inlet pipe and a water outlet pipe on both sides of the electric heating furnace body 10, the water inlet pipe and the water outlet pipe are connected to the electric heating furnace body 10, so that water can enter the electric heating furnace body 10 through the water inlet pipe to achieve heating of the water, and the heated water can be discharged through the water outlet pipe; secondly, by providing the first three-way valve 12 with a first water inlet, a first water outlet and a second water outlet, the first water inlet of the first three-way valve 12 is connected to the water outlet pipe, and the first water outlet of the first three-way valve 12 is connected to the heating pipeline, so that the pipeline between the water outlet pipe and the heating pipeline is controlled to be opened or closed by the first three-way valve 12; thirdly, by providing the second three-way valve 14 with a first water inlet, a first water outlet and a second water outlet, the first water inlet of the first three-way valve 12 is connected to the water outlet pipe, and the first water outlet of the first three-way valve 12 is connected to the heating pipeline. A second water inlet, a third water inlet and a third water outlet are provided, so that the second water outlet of the second three-way valve 14 is connected to the water inlet pipe, and the opening or closing of the external water source and the water inlet pipe is controlled by the second three-way valve 14; again, by providing the third three-way valve 16 with a fourth water inlet, a fourth water outlet and a fifth water outlet, the fourth water inlet of the third three-way valve 16 is connected to the water source, and the fourth water outlet of the third three-way valve 16 is connected to the second water inlet of the second three-way valve 14, so that the opening or closing of the water source is controlled by the third three-way valve 16. By forming the water storage pipe 18 into a hollow cavity, one end of the water storage pipe 18 is connected to the fifth water outlet of the third three-way valve 16, and the other end of the water storage pipe 18 is connected to the third water inlet of the second three-way valve 14, so that the water flowing in from the fifth water outlet is stored and accommodated by the water storage pipe 18 and flows out from the third water inlet; again, by spirally winding the heat exchange pipe 20 on the outside of the water storage pipe 18, so that one end of the heat exchange pipe 20 is connected to the second water outlet of the first three-way valve 12, so that the water flow is introduced into the heat exchange pipe 20 through the first three-way valve 12. inside; again, by providing the fourth three-way valve 22 with a fifth water inlet, a sixth water inlet and a sixth water outlet, the fourth three-way valve 22 is located between the second three-way valve 14 and the third three-way valve 16, and the fifth water inlet of the fourth three-way valve 22 is connected to the fourth water outlet of the third three-way valve 16, the sixth water inlet of the fourth three-way valve 22 is connected to the other end of the heat exchange tube 20, and the sixth water outlet of the fourth three-way valve 22 is connected to the second water inlet of the second three-way valve 14, so as to realize the flow of water in the heat exchange tube 20 from the fourth three-way valve 22 into the electric furnace body 10. This connection method has a simple structure and is easy to use. The third three-way valve 16 is opened to allow water to flow into the water storage pipe 18 through the water inlet pipe. Then, the first three-way valve 12 is opened to allow the water heated by the electric heating furnace body 10 to flow into the heat exchange pipe 20 to exchange heat with the water in the water storage pipe 18, thereby increasing the temperature of the water in the water storage pipe 18. After the water temperature in the water storage pipe 18 reaches a certain level, it flows into the electric heating furnace body 10, thereby reducing the energy consumption required for heating water and thus reducing production costs.During specific use, the third three-way valve 16 is turned to connect the fourth water inlet of the third three-way valve 16 with the fourth water outlet of the third three-way valve 16; then, the fourth three-way valve 22 is turned to connect the fifth water inlet of the fourth three-way valve 22 with the sixth water outlet of the fourth three-way valve 22. At the same time, the second three-way valve 14 is turned to connect the second water inlet of the second three-way valve 14 with the third water outlet of the second three-way valve 14, so that the water in the water source flows into the electric heating furnace body 10; the electric heating furnace body 10 is started to heat the water flowing into the electric heating furnace body 10. When the water is heated to a specific temperature, the first three-way valve 12 is turned to connect the first water inlet of the first three-way valve 12 with the second water outlet, so that the heated water fills the inner heat exchange tube 20; when the water fills the heat exchange tube 20 Then, the first three-way valve 12 is turned to connect the first water inlet of the first three-way valve 12 with the heating pipeline, thereby supplying water to the heating pipeline; then, the third three-way valve 16 is turned to connect the fourth water inlet of the third three-way valve 16 with the fifth water outlet of the third three-way valve 16, so that water flows into the water storage pipe 18, thereby heat exchange occurs between the water in the water storage pipe 18 and the water in the heat exchange pipe 20; then, after a certain period of time, the second three-way valve 14 is turned to connect the third water inlet of the second three-way valve 14 with the third water outlet of the second three-way valve 14, thereby supplying water to the heating pipeline; then, the third three-way valve 16 is turned to connect the fourth water inlet of the third three-way valve 16 with the fifth water outlet of the third three-way valve 16, thereby supplying water to the water storage pipe 18, thereby heat exchange occurs between the water in the water storage pipe 18 and the water in the heat exchange pipe 20; then, after a certain period of time, the second three-way valve 14 is turned to connect the third water inlet of the second three-way valve 14 with the third water outlet of the second three-way valve 14 The fourth three-way valve 22 is connected to the electric furnace body 10 so that the water in the water storage pipe 18 flows into the electric furnace body 10 for heating, thereby enabling the electric furnace body 10 to heat the water after heat exchange; after a certain period of time, when the water temperature in the heat exchange tube 20 drops, the fourth three-way valve 22 is turned to connect the sixth water inlet of the fourth three-way valve 22 with the sixth water outlet of the fourth three-way valve 22. At the same time, the second three-way valve 14 is turned to connect the second water inlet of the second three-way valve 14 with the third water outlet of the second three-way valve 14, so that the water in the heat exchange tube 20 flows back to the electric furnace body 10 for reheating. This product utilizes the residual heat of the heated water to exchange heat with the unheated water, and then allows the heat-exchanged water to flow into the electric furnace body 10 so that the electric furnace body 10 heats the water, thereby saving the energy consumption required by the electric furnace body 10 to heat the water flowing into it to the boiling point, thereby reducing the production of the product.

[0037] In one embodiment of the present invention, preferably, Figure 1 and Figure 2 As shown, the electric heat storage device also includes: an insulation shell 24, insulation cotton 26 and a support 28; the insulation shell 24 is a hollow cavity, and the insulation shell 24 is sleeved on the outside of the heat exchange tube 20; the insulation cotton 26 is attached to the inner wall of the insulation shell 24, and the insulation cotton 26 is wrapped around the outside of the heat exchange tube 20; the support 28 is connected to the bottom of the insulation shell 24, and the support 28 is fixed to the ground.

[0038] In this embodiment, the insulation shell 24 is formed into a hollow cavity and is sleeved on the outside of the heat exchange tube 20, so that the heat exchange tube 20 is insulated by the insulation shell 24, thereby extending the service life of the water in the heat exchange tube 20; the insulation cotton 26 is attached to the inner wall of the insulation shell 24 and is wrapped around the outside of the heat exchange tube 20 to prevent the water flow temperature in the heat exchange tube 20 from dissipating heat too quickly, thereby reducing energy loss and saving usage costs; the support 28 is connected to the bottom of the insulation shell 24 and fixed to the ground, so that the insulation shell 24 is supported by the support 28, thereby improving the stability of the device.

[0039] In the embodiment of the first aspect of the present invention, preferably, Figure 1 and Figure 2 As shown, the electric heat storage device also includes: a first pipe temperature detector 30; the first pipe temperature detector 30 is arranged between the heat exchange pipe 20 and the fourth three-way valve 22, the first pipe temperature detector 30 is electrically connected to the fourth three-way valve 22, and the first pipe temperature detector 30 is electrically connected to the first three-way valve 12.

[0040] In this embodiment, the first pipe temperature detector 30 is arranged between the heat exchange tube 20 and the fourth three-way valve 22, the first pipe temperature detector 30 is electrically connected to the fourth three-way valve 22, and the first pipe temperature detector 30 is electrically connected to the first three-way valve 12, so as to monitor the temperature in the heat exchange tube 20. When the first pipe temperature detector 30 detects that the temperature is too low to effectively heat the water in the water storage pipe 18, the water in the heat exchange tube 20 is allowed to enter the electric furnace body 10 for further heating, thereby saving energy and improving the practicality of the product.

[0041] In the embodiment of the first aspect of the present invention, preferably, Figure 1 and Figure 2 As shown, the electric heat storage device further includes: a second pipe temperature detector 32 ; the second pipe temperature detector 32 is disposed between the water storage pipe 18 and the second three-way valve 14 , and the second pipe temperature detector 32 is electrically connected to the second three-way valve 14 .

[0042] In this embodiment, the second pipe thermometer 32 is arranged between the water storage pipe 18 and the second three-way valve 14, and the second pipe thermometer 32 is electrically connected to the second three-way valve 14, so that the water storage pipe 18 is heated by the second pipe thermometer 32. When the temperature of the water storage pipe 18 heated by the heat exchange tube 20 reaches a certain value, the water in the water storage pipe 18 is introduced into the electric furnace body 10 for heating, thereby effectively saving energy and improving the practicality of the product.

[0043] In the embodiment of the first aspect of the present invention, preferably, Figure 1 and Figure 2As shown, the electric heat storage device also includes: a main valve 34, a first water level sensor 36 and a second water level sensor 38; one end of the main valve 34 is connected to the water source, and the other end of the main valve 34 is connected to the fourth water inlet of the third three-way valve 16; the first water level sensor 36 is arranged in the electric heating furnace body 10; the second water level sensor 38 is arranged in the electric heating furnace body 10, and the second water level sensor 38 is located above the first water level sensor 36.

[0044] In this embodiment, one end of the main valve 34 is connected to the water source, and the other end of the main valve 34 is connected to the fourth water inlet of the third three-way valve 16, so that the inflow of water is controlled by the main valve 34; the first water level sensor 36 is arranged in the electric heating furnace body 10, and the water level in the electric heating furnace body 10 is monitored by the second water level sensor 38. When the water level is too low, a prompt is given and water is added to prevent the water in the electric heating furnace body 10 from evaporating due to excessive temperature during heating, thereby preventing the bottom of the electric heating furnace body 10 from being damaged, thereby improving the safety of the device; the second water level sensor 38 is arranged in the electric heating furnace body 10, so that the second water level sensor 38 is located above the first water level sensor 36, and the water level in the electric heating furnace body 10 is monitored by the second water level sensor 38. When the water level is too high, a prompt is given and water addition is stopped to prevent the water in the electric heating furnace body 10 from boiling due to increased pressure and damage to the electric heating furnace body 10, thereby improving the safety of the device;

[0045] In the embodiment of the first aspect of the present invention, preferably, Figure 1 and Figure 2 As shown, the electric heat storage device further includes: a first water level sensor 36 having a distance from the bottom of the electric furnace body 10 ; and a second water level sensor 38 having a distance from the top of the electric furnace body 10 .

[0046] In this embodiment, by spacing the first water level sensor 36 from the bottom of the electric heating furnace body 10 and spacing the second water level sensor 38 from the top of the electric heating furnace body 10, the amount of water added to the electric heating furnace body 10 at different water levels can be controlled, and the electric heating furnace body 10 stops heating when the water level is too low or too full.

[0047] In the second embodiment of the present invention, Figure 3As shown, the method for using the electric heat storage device includes: step S201, opening the main valve, turning the third three-way valve, so that the fourth water inlet of the third three-way valve is connected to the fourth water outlet of the third three-way valve; step S202, turning the fourth three-way valve, so that the fifth water inlet of the fourth three-way valve is connected to the sixth water outlet of the fourth three-way valve, and at the same time, turning the second three-way valve, so that the second water inlet of the second three-way valve is connected to the third water outlet of the second three-way valve, so that water in the water source flows into the electric heating furnace body; step S203, starting the electric heating furnace body, so that the electric heating furnace body heats the water flowing into it, and when the water is heated to a specific temperature, turning the first three-way valve, so that the first water inlet of the first three-way valve is connected to the second water outlet, so that the heated water fills the heat exchange tube; step S204, after the water fills the heat exchange tube, turning the first three-way valve, so that the first water inlet of the first three-way valve is connected to the heating pipe line is connected; step S205, turn the third three-way valve to connect the fourth water inlet of the third three-way valve with the fifth water outlet of the third three-way valve, so that water flows into the water storage pipe, thereby causing heat exchange between the water in the water storage pipe and the water in the heat exchange tube; step S206, after a certain period of time, turn the second three-way valve to connect the third water inlet of the second three-way valve with the third water outlet of the second three-way valve, so that the water in the water storage pipe flows into the electric heating furnace body for heating, and then trigger S204; step S207, after a certain period of time, when the water temperature in the heat exchange tube drops, turn the fourth three-way valve to connect the sixth water inlet of the fourth three-way valve with the sixth water outlet of the fourth three-way valve, and at the same time, turn the second three-way valve to connect the second water inlet of the second three-way valve with the third water outlet of the second three-way valve, so that the water in the heat exchange tube flows back to the electric heating furnace body for reheating, and at the same time, trigger step S203 again.

[0048] In this embodiment, first, by opening the main valve, the third three-way valve is turned to connect the fourth water inlet of the third three-way valve with the fourth water outlet of the third three-way valve, so that water flows into the water storage pipe for storage; secondly, the fourth three-way valve is turned to connect the fifth water inlet of the fourth three-way valve with the sixth water outlet of the fourth three-way valve, and at the same time, the second three-way valve is turned to connect the second water inlet of the second three-way valve with the third water outlet of the second three-way valve, so that water in the water source flows into the electric heating furnace body; thirdly, by starting the electric heating furnace body, the electric heating furnace body heats the water flowing into it. When the water is heated to a specific temperature, the first three-way valve is turned to connect the first water inlet of the first three-way valve with the second water outlet, so that the heated water fills the heat exchange tube; thirdly, after the water fills the heat exchange tube, the first three-way valve is turned to connect the first water inlet of the first three-way valve with the heating pipeline, so that water injection into the heat exchange tube is stopped; By turning the third three-way valve, the fourth water inlet of the third three-way valve is connected to the fifth water outlet of the third three-way valve, so that water flows into the water storage pipe, thereby causing heat exchange between the water in the water storage pipe and the water in the heat exchange pipe, thereby improving the utilization rate of hot water and saving energy; again, after waiting for a certain time, the second three-way valve is turned to connect the third water inlet of the second three-way valve with the third water outlet of the second three-way valve, so that the water in the water storage pipe flows into the electric heating furnace body; again, after waiting for a certain time, when the water temperature in the heat exchange pipe drops, the fourth three-way valve is turned to connect the sixth water inlet of the fourth three-way valve with the sixth water outlet of the fourth three-way valve. At the same time, the second three-way valve is turned to connect the second water inlet of the second three-way valve with the third water outlet of the second three-way valve, so that the water in the heat exchange pipe flows back to the electric heating furnace body for reheating; adopting this structure, this reciprocating cycle improves the heating efficiency of the device, saves energy, and thus improves the practicality of the device.

[0049] In the second embodiment of the present invention, preferably, Figure 3 As shown, the method for using the electric heat storage device also includes: step S217, setting the first pipe temperature detector between the heat exchange pipe and the fourth three-way valve, and electrically connecting the first pipe temperature detector to the fourth three-way valve and the first three-way valve at the same time, so that the first pipe temperature detector measures the temperature of the heat exchange pipe; when the temperature in the heat exchange pipe is lower than the preset value, triggering step S207.

[0050] In this embodiment, the first pipe temperature detector is disposed between the heat exchange pipe and the fourth three-way valve, and is electrically connected to both the fourth three-way valve and the first three-way valve, so that the first pipe temperature detector measures the temperature of the heat exchange pipe. When the temperature in the heat exchange pipe is lower than a preset value, step S207 is triggered, thereby providing a prompt when the temperature in the heat exchange pipe is lower than the preset value and allowing the water in the heat exchange pipe to flow into the electric heating furnace body for heating. This prevents the water in the heat exchange pipe from being unable to be effectively heated due to the temperature being too low, thereby improving the operating efficiency of the device.

[0051] In the second embodiment of the present invention, preferably, Figure 3 As shown, the method for using the electric heat storage device also includes: step S61, setting the second pipe thermometer between the water storage pipe and the second three-way valve, and electrically connecting the second pipe thermometer to the second three-way valve so that the second pipe thermometer measures the stability of the water storage pipe; when the temperature of the water storage pipe is higher than the preset value, triggering step S206.

[0052] In this embodiment, the second pipe thermometer is arranged between the water storage pipe and the second three-way valve, and the second pipe thermometer is electrically connected to the second three-way valve so that the second pipe thermometer measures the stability of the water storage pipe; when the temperature of the water storage pipe is higher than the preset value, step S206 is triggered, so that when the temperature of the water storage pipe heated by the heat exchange tube is higher than the preset value, the water in the water storage pipe flows into the electric furnace body for heating, thereby improving work efficiency and reducing energy waste.

[0053] In the description of the present invention, the term "plurality" refers to two or more than two. Unless otherwise expressly defined, the orientations or positional relationships indicated by the terms "upper" and "lower" are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention. The terms "connect," "install," and "fix" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0054] In the description of the present invention, the terms "one embodiment," "some embodiments," "specific embodiments," etc., mean that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In the present invention, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0055] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of protection of the present invention.

Claims

1. A method for using an electric thermal storage device, wherein the method is applied to the electric thermal storage device, and is characterized in that: The method for using the electric heat storage device includes: S1, open the main valve, turn the third three-way valve to connect the fourth water inlet of the third three-way valve with the fourth water outlet of the third three-way valve; S2: Turn the fourth three-way valve to connect the fifth water inlet of the fourth three-way valve with the sixth water outlet of the fourth three-way valve. At the same time, turn the second three-way valve to connect the second water inlet of the second three-way valve with the third water outlet of the second three-way valve, so that water in the water source flows into the electric heater body. S3, starting the electric heating furnace body to heat the water flowing into it. When the water is heated to a specific temperature, the first three-way valve is turned to connect the first water inlet and the second water outlet of the first three-way valve, so that the heated water fills the heat exchange tube; S4, after the water fills the heat exchange tube, turn the first three-way valve to connect the first water inlet of the first three-way valve to the heating pipeline; S5, turning the third three-way valve to connect the fourth water inlet of the third three-way valve with the fifth water outlet of the third three-way valve, so that water flows into the water storage pipe, thereby causing heat exchange between the water in the water storage pipe and the water in the heat exchange pipe; S6, after a certain period of time, the second three-way valve is turned to connect the third water inlet of the second three-way valve with the third water outlet of the second three-way valve, so that the water in the water storage pipe flows into the electric heating furnace body for heating, and then S4 is triggered; S7: After a certain period of time, when the water temperature in the heat exchange tube drops, the fourth three-way valve is turned to connect the sixth water inlet of the fourth three-way valve with the sixth water outlet of the fourth three-way valve. At the same time, the second three-way valve is turned to connect the second water inlet of the second three-way valve with the third water outlet of the second three-way valve, so that the water in the heat exchange tube flows back to the electric heating furnace body for reheating, and step S3 is triggered again. The electric heat storage device comprises: An electric heating furnace body, with a water inlet pipe and a water outlet pipe provided on both sides of the electric heating furnace body; a first three-way valve, the first three-way valve being provided with a first water inlet, a first water outlet, and a second water outlet, the first water inlet of the first three-way valve being connected to the water outlet pipe, and the first water outlet of the first three-way valve being connected to the heating pipeline; a second three-way valve, the second three-way valve being provided with a second water inlet, a third water inlet and a third water outlet, the second water outlet of the second three-way valve being connected to the water inlet pipe; a third three-way valve, the third three-way valve being provided with a fourth water inlet, a fourth water outlet, and a fifth water outlet, the fourth water inlet of the third three-way valve being connected to the water source, and the fourth water outlet of the third three-way valve being connected to the second water inlet of the second three-way valve; a water storage pipe, the water storage pipe being a hollow cavity, one end of the water storage pipe being connected to the fifth water outlet of the third three-way valve, and the other end of the water storage pipe being connected to the third water inlet of the second three-way valve; a heat exchange pipe, wherein the heat exchange pipe is spirally wound on the outside of the water storage pipe, and one end of the heat exchange pipe is connected to the second water outlet of the first three-way valve; a fourth three-way valve, the fourth three-way valve being provided with a fifth water inlet, a sixth water inlet, and a sixth water outlet, the fourth three-way valve being located between the second three-way valve and the third three-way valve, the fifth water inlet of the fourth three-way valve being connected to the fourth water outlet of the third three-way valve, the sixth water inlet of the fourth three-way valve being connected to the other end of the heat exchange tube, and the sixth water outlet of the fourth three-way valve being connected to the second water inlet of the second three-way valve; A heat-insulating shell, which is a hollow cavity and is sleeved on the outside of the heat exchange tube; Thermal insulation cotton, the thermal insulation cotton is attached to the inner wall of the thermal insulation shell and is wound around the outer side of the heat exchange tube; A support, the support being connected to the bottom of the insulation shell and fixed on the ground; a first pipe temperature detector, the first pipe temperature detector being disposed between the heat exchange pipe and the fourth three-way valve, the first pipe temperature detector being electrically connected to the fourth three-way valve, and the first pipe temperature detector being electrically connected to the first three-way valve; a second pipe temperature detector, the second pipe temperature detector being disposed between the water storage pipe and the second three-way valve, and the second pipe temperature detector being electrically connected to the second three-way valve; a main valve, one end of which is connected to the water source, and the other end of which is connected to the fourth water inlet of the third three-way valve; a first water level sensor, the first water level sensor being disposed in the electric furnace body; The second water level sensor is arranged in the electric heating furnace body and is located above the first water level sensor.

2. The method for using the electric thermal storage device according to claim 1, characterized in that: The method for using the electric thermal storage device further includes: S7.

1. Set the first pipe temperature detector between the heat exchange pipe and the fourth three-way valve, and electrically connect the first pipe temperature detector to the fourth three-way valve and the first three-way valve at the same time, so that the first pipe temperature detector measures the temperature of the heat exchange pipe; when the temperature in the heat exchange pipe is lower than the preset value, trigger step S7.

3. The method for using the electric thermal storage device according to claim 2, characterized in that: The method for using the electric thermal storage device further includes: S6.1, set the second pipe thermometer between the water storage pipe and the second three-way valve, and electrically connect the second pipe thermometer to the second three-way valve so that the second pipe thermometer measures the stability of the water storage pipe; when the temperature of the water storage pipe is higher than the preset value, trigger step S6.

4. The method for using the electric thermal storage device according to claim 1, characterized in that: There is a distance between the first water level sensor and the bottom of the electric heating furnace body; There is a distance between the second water level sensor and the top of the electric heating furnace body.

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