Hot water generating device without thermal inertia

Abstract

The utility model discloses a hot water generating device without thermal inertia. The hot water generating device comprises a liquid conveying component, wherein the liquid conveying component is connected with a water inlet pipeline and a water outlet pipeline; the heater is provided with a water inlet port and a water outlet port, the water inlet port is communicated with one end of the water outlet pipeline, the water outlet port is provided with a first water outlet and a second water outlet, and the second water outlet is connected with a terminal water outlet through a pipeline; and the water storage container is communicated with the first water outlet and the water inlet pipeline through pipelines to form a closed-loop water path with the water storage container. Compared with the prior art, the liquid conveying component heats water in the water storage container through the heater, the heated water and the water storage container form a closed-loop preheating circulating water path from the first water outlet and the water inlet pipeline through a pipeline, and the situation that the terminal water outlet is temporarily closed, so that the water storage container cannot be heated is avoided. And the hot water which is discharged again is continuously heated and warmed by the heat stored in the heater, so that the problem that the water temperature is too high when the hot water is discharged again is solved, and the water outlet temperature of the hot water is at the accurate preset temperature every time.

Description

Technical Field

[0001] The utility model relates to the technical field of water heating devices, in particular to a hot water generating device without thermal inertia. Background Art

[0002] Electric heating tubes are the main components for converting electrical energy into thermal energy. Due to their economy, manufacturability and practicality, they have occupied an absolute position in the market. However, their main component filling materials are inorganic and have obvious thermal resistance characteristics. All materials with positive temperature thermal resistance characteristics will hinder heat transfer. This is common knowledge, but the heat generated by the heating material is continuous relative to the time definition. It can be seen from the formula Q=Pt that it is a linear equation. When the total heat QN generated on the surface of the heating tube is compared with Q, it can be found that QN must be less than Q. From the perspective of relevant energy levels or electrothermal efficiency definitions, this type of phenomenon is collectively referred to as loss. In fact, this quantitative difference is stored in part by the material with thermal resistance characteristics, and has evolved into mechanical energy accompanied by the occurrence of phenomena such as body expansion. Therefore, the phenomenon that the former lags behind the latter in terms of time sequence, including QN and Q, is caused by the thermal resistance characteristics of the material.

[0003] The correlation after analyzing the above thermal resistance characteristics is introduced as follows: If the fluid (water) is a continuous characteristic physical quantity, and the heat generated by the electric heating component is also a constant per unit time, then it is just a matter of efficiency.

[0004] In the prior art, during the bathing process, there is often a need to temporarily suspend the water supply relative to the bathing behavior. For example, the water valve will be temporarily closed when washing hair, applying shower gel, etc., but although the power and water are cut off at this time, the heat stored in the filling material in the electric heating tube continues to exchange heat with the water in the remaining container (until there is no temperature difference between the two) and causes the temperature of the remaining water to rise rapidly. This situation is most intuitively manifested in instant water heaters, and for the bather, the instant feeling at this time is that the overly high temperature water directly burns the skin.

[0005] Cleaning products for the elderly or disabled also have their own special changes. Water heaters with thermal inertia water output will have many inapplicability when used for such groups of people. For example, the bathing method is basically a special care process in which the bather lies flat or half-lying flat on a special chair cushion under the care of professionals. If the high-temperature water is started again after the water is cut off and directly splashes on the body, this is intolerable and unbearable for the elderly and disabled. Utility Model Content

[0006] The utility model aims to provide a hot water generating device without thermal inertia, aiming to solve the problem in the prior art that after the electric heating component is powered off, it will continue to heat the water due to thermal inertia, resulting in too high water temperature when the water is discharged again.

[0007] In order to achieve the above-mentioned purpose, the utility model provides a hot water generating device without thermal inertia, comprising: a liquid conveying component, to which a water inlet pipeline and a water outlet pipeline are connected, and a first temperature sensor is arranged on the water outlet pipeline; a heater, to which a water inlet port and a water outlet port are arranged, the water inlet port is communicated with one end of the water outlet pipeline, the water outlet port is provided with a first water outlet and a second water outlet, the first water outlet is controlled to be opened and closed by a solenoid valve, the second water outlet is connected with a terminal water outlet through a pipeline, and a second temperature sensor is arranged on the pipeline connecting the water outlet port to the first water outlet and the second water outlet; a water storage container, the water storage container is communicated with the first water outlet and the water inlet pipeline through a pipeline, and forms a closed-loop water circuit with the water storage container.

[0008] Furthermore, the heater includes a heating container and a hollow heating tube, the hollow heating tube is penetrated through the interior of the heating container, the water inlet port and the internal water outlet port are respectively provided at both ends of the hollow heating tube, the internal water outlet port is connected to a return pipe, and one end of the return pipe is connected to the interior of the heating container.

[0009] Furthermore, the hollow heating tube and the heating container are coaxially arranged.

[0010] Furthermore, it also includes a shell, the liquid conveying component, heater, water inlet pipe and water outlet pipe are all arranged inside the shell, the shell is provided with a water inlet joint for connecting the water inlet pipe, and the shell is provided with a water outlet joint for connecting the terminal water outlet.

[0011] Furthermore, a flow sensor is connected to the water inlet pipeline.

[0012] Furthermore, a main control board is provided inside the shell, the main control board is electrically connected to the liquid delivery component and the heater, and the main control board is signal-connected to the first temperature sensor, the second temperature sensor and the flow sensor.

[0013] Furthermore, a display panel and control buttons are provided on the housing, and the display panel and control buttons are electrically connected to the main control board.

[0014] Furthermore, a handle is provided on the shell.

[0015] Furthermore, a footrest or rollers are provided at the bottom of the shell.

[0016] Furthermore, the water storage container is provided with a water inlet.

[0017] The utility model provides a hot water generating device without thermal inertia. Compared with the prior art, the liquid conveying component heats the water in the water storage container through the heater. The heated water passes through the first water outlet and the water inlet pipeline to form a closed-loop preheating circulation water path between the pipeline and the water storage container. The first temperature sensor and the second temperature sensor are used to detect the water temperature in the preheating circulation water path and the water temperature of the terminal water outlet, thereby avoiding the terminal water outlet being temporarily closed and the retained heat of the heater continuing to heat and raise the temperature of the hot water discharged again, thereby solving the problem of too high water temperature when discharging water again, and ensuring that the outlet temperature of the hot water is at the accurate preset temperature each time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the internal structure of a hot water generating device without thermal inertia according to the utility model;

[0019] Figure 2 This is a schematic diagram of the external structure of a hot water generating device without thermal inertia according to the utility model;

[0020] Figure 3 This is a schematic diagram showing the structural principle of a hot water generating device without thermal inertia according to the utility model;

[0021] Figure 4 The utility model is a schematic diagram of the internal structure of the heater in the water heating device without thermal inertia.

[0022] Description of Reference Numerals

[0023] 10-liquid conveying component; 11-water inlet pipeline; 12-water outlet pipeline; 13-flow sensor; 14-first temperature sensor;

[0024] 20-heater; 21-heating container; 22-hollow heating tube; 221-internal water outlet port; 223-return pipe; 23-water inlet port; 24-first water outlet; 25-second water outlet; 26-terminal water outlet; 27-second temperature sensor;

[0025] 30-housing; 31-water inlet connector; 32-water outlet connector; 33-main control panel; 34-display panel; 35-button; 36-handle;

[0026] 40-Water storage container. DETAILED DESCRIPTION

[0027] The present invention is described in detail below in conjunction with specific embodiments.

[0028] In the present utility model, when directional words appear, they are used to facilitate the description of the utility model and simplify the description, rather than to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present utility model.

[0029] In the present invention, unless otherwise specified and limited, when terms such as "disposed on", "connected" and "connected" appear, these terms should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can also be a mechanical connection; it can be directly connected, or it can be connected through an intermediate medium, or the two elements can be internally connected. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] like Figure 1 and Figure 3 As shown, a hot water generating device without thermal inertia includes a liquid conveying component 10, a heater 20 and a water storage container 40.

[0031] The liquid conveying component 10 is connected to a water inlet pipeline 11 and a water outlet pipeline 12. The water outlet pipeline 12 is provided with a first temperature sensor 17 for detecting the water temperature of the water outlet pipeline 12. The liquid conveying component 10 is a water pump.

[0032] The heater 20 is provided with a water inlet port 23 and a water outlet port. The water inlet port 23 is connected to one end of the water outlet pipe 12. The water outlet port is provided with a first water outlet 24 and a second water outlet 25. The first water outlet 24 is controlled to open and close by a solenoid valve. The second water outlet 25 is connected to a terminal water outlet 26 through a pipeline for connecting an external water outlet component (water outlet nozzle). A second temperature sensor 27 is provided on the pipeline between the water outlet port and the first water outlet 24 and the second water outlet 25 for detecting the water temperature of the water outlet from the water outlet port.

[0033] The water storage container 40 is connected to the first water outlet 24 and the water inlet pipeline 11 through a pipeline, forming a closed loop water circuit with the water storage container 40. The water storage container 40 is an external water tank, which can be connected to the first water outlet 24 and the water inlet pipeline 11 through a pipeline. The water storage container 40 is also provided with a water source inlet for tap water intake. When the water level in the water storage container 40 is too low, water is filled into the water storage container 40 through the water source inlet.

[0034] The liquid conveying component 10 heats the water in the water storage container 40 through the heater 20. The heated water forms a closed-loop preheating circulation water circuit between the first water outlet 24 and the water inlet pipe 11 and the water storage container 40. The first temperature sensor 17 and the second temperature sensor 27 are used to detect the water temperature in the preheating circulation water circuit and the water temperature of the terminal water outlet 26, thereby avoiding the temporary closure of the terminal water outlet 26 and the retained heat of the heater 20 continuing to heat the hot water that is discharged again, thereby solving the problem of too high water temperature when the water is discharged again, and ensuring that the outlet temperature of the hot water is at the accurate preset temperature each time.

[0035] like Figures 1 to 3 As shown, in this embodiment, the heater 20 includes a heating container 21 and a hollow heating tube 22. The interior of the heating container 21 is penetrated by the hollow heating tube 22. The two ends of the hollow heating tube 22 are respectively provided with a water inlet port 23 and an internal water outlet port 221. The internal water outlet port 221 is connected to a return pipe 223, and one end of the return pipe 223 is connected to the interior of the heating container 21. The hollow heating tube 22 and the heating container 21 are coaxially arranged, and the water in the heating container 21 can be heated evenly.

[0036] In the specific implementation, cold water is sent into the interior of the hollow heating tube 22 through the liquid conveying component 10 for the first heating and then enters the heating container 21 through the return pipe 223 to be heated for the second time by the outside of the hollow heating tube 22. The water is quickly heated to the set temperature, and the heating efficiency of the water temperature is high.

[0037] like Figures 1 to 4 As shown, it also includes a housing 30, the liquid delivery component 10, the heater 20, the water inlet pipeline 11 and the water outlet pipeline 12 are all arranged inside the housing 30, the housing 30 is provided with a water inlet joint 31 for connecting the water inlet pipeline 11, and the housing 30 is provided with a water outlet joint 32 for connecting the terminal water outlet 26. The water inlet joint 31 and the water outlet joint 32 are water pipe quick joints, which are convenient for quick connection of water pipes.

[0038] In this embodiment, a flow sensor 14 is connected to the water inlet pipeline 11 for monitoring whether there is a lack of water in the water storage container 40 .

[0039] In this embodiment, a main control board 33 is disposed inside the housing 30 , and the main control board 33 is electrically connected to the liquid delivery component 10 and the heater 20 , and the main control board 33 is signal-connected to the first temperature sensor 17 , the second temperature sensor 27 and the flow sensor 14 .

[0040] In addition, a display panel 34 and control buttons 35 are provided on the housing 30 , and the display panel 34 and the control buttons 35 are electrically connected to the main control board 33 .

[0041] In this embodiment, a handle 36 is provided on the housing 30 for easy carrying and movement. A footrest or rollers are provided at the bottom of the housing 30.

[0042] During specific operation, when the control system of the water heating device is turned on, the liquid conveying component 10 draws water from the water storage container 40 through the flow sensor 14. There is a water inlet temperature sensor between the liquid conveying component 10 and the heater 20 in the water flow. When the water pump is started for 3 seconds, if there is no signal from the flow sensor 14, it means that the flow sensor 14 is faulty or there is a lack of water in the water storage container 40. The display panel 34 will display the corresponding fault code, and the heater 20 cannot start working.

[0043] If the flow sensor 14 has a signal, the liquid delivery component 10 will draw water from the water source through the water outlet pipe 12 into the heater 20 for heating and temperature rise, and then flow back to the water storage container 40 through the first water outlet 24 of the heater 20 for preheating circulation. When the water valve of the terminal water outlet 26 is opened to discharge water, the solenoid valve controls the first water outlet 24 to close, and the water pump continues to work to deliver the preheated hot water in the water storage container 40 from the terminal water outlet 26 through the heater 20. After the water valve of the terminal water outlet 26 is closed, the solenoid valve controls the first water outlet 24 to open, and the water pump continues to work to preheat the water in the water storage container 40 for circulation, completely eliminating the occurrence of thermal inertia scalding.

[0044] In addition, when the first temperature sensor 17 detects that the water temperature has reached the set temperature, the heater 20 stops heating. When the second temperature sensor 27 detects that the temperature is greater than or equal to the set value of 10°C, no matter what the water temperature detected by the first temperature sensor 17 is, the heater 20 is immediately powered off and stops heating the water.

[0045] In the absence of conflict, the above-mentioned embodiments and features thereof may be combined with each other.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A hot water generating device without thermal inertia, characterized in that: include: A liquid conveying component, wherein the liquid conveying component is connected to a water inlet pipeline and a water outlet pipeline, and the water outlet pipeline is provided with a first temperature sensor; A heater, wherein the heater is provided with a water inlet port and a water outlet port, the water inlet port is connected to one end of the water outlet pipeline, the water outlet port is provided with a first water outlet and a second water outlet, the first water outlet is controlled to be opened and closed by a solenoid valve, the second water outlet is connected to a terminal water outlet through a pipeline, and a second temperature sensor is provided on the pipeline between the water outlet port and the first water outlet and the second water outlet; A water storage container, wherein the water storage container is connected to the first water outlet and the water inlet pipeline through a pipeline, forming a closed-loop water circuit with the water storage container.

2. A hot water generating device without thermal inertia according to claim 1, characterized in that: The heater includes a heating container and a hollow heating tube. The hollow heating tube runs through the interior of the heating container. The water inlet port and the internal water outlet port are respectively provided at both ends of the hollow heating tube. A return pipe is connected to the internal water outlet port, and one end of the return pipe is connected to the interior of the heating container.

3. A hot water generating device without thermal inertia according to claim 2, characterized in that: The hollow heating tube and the heating container are coaxially arranged.

4. A hot water generating device without thermal inertia according to claim 1, characterized in that: It also includes a shell, the liquid conveying component, heater, water inlet pipeline and water outlet pipeline are all arranged inside the shell, the shell is provided with a water inlet joint for connecting the water inlet pipeline, and the shell is provided with a water outlet joint for connecting the terminal water outlet.

5. A hot water generating device without thermal inertia according to claim 4, characterized in that: The water inlet pipeline is connected with a flow sensor.

6. A hot water generating device without thermal inertia according to claim 5, characterized in that: A main control board is arranged inside the shell, and the main control board is electrically connected to the liquid delivery component and the heater, and the main control board is signal-connected to the first temperature sensor, the second temperature sensor and the flow sensor.

7. A hot water generating device without thermal inertia according to claim 6, characterized in that: The housing is provided with a display panel and control buttons, and the display panel and control buttons are electrically connected to the main control board.

8. The hot water generating device without thermal inertia according to claim 4, characterized in that: A handle is provided on the shell.

9. The hot water generating device without thermal inertia according to claim 4, characterized in that: The bottom of the shell is provided with a foot seat or a roller.

10. The hot water generating device without thermal inertia according to claim 1, characterized in that: The water storage container is provided with a water source water inlet.

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