CN107202425A - Water heater end adjusting means and the water heater components with it - Google Patents

Abstract

The invention discloses a kind of water heater end adjusting means and the water heater components with it, water heater end adjusting means includes：End temperature-sensing valve and on-off system, end temperature-sensing valve is suitable to be arranged between the water side of water heater and depotition cock, end temperature-sensing valve is installed adjacent to depotition cock, end temperature-sensing valve has the first conducting state and the second conducting state, and the hot water with the first temperature of water heater output is exported to depotition cock by end temperature-sensing valve when in end, temperature-sensing valve is in the first conducting state；On-off system is arranged between end temperature-sensing valve and water heater, wherein the hot water with second temperature of water heater output is back to water heater by end temperature-sensing valve and after the on-off system in open mode when end temperature-sensing valve is in the second conducting state；Wherein the first temperature is more than second temperature.According to the water heater end adjusting means of the present invention, the outflow of hot water can be accelerated, the waste of cold water is reduced.

Description

Water heater terminal adjustment device and water heater assembly having the same

technical field

The invention relates to the technical field of water heaters, in particular, to a water heater terminal adjustment device and a water heater assembly having the same.

Background technique

In daily life, hot and cold water supply faucets such as household kitchens, bathrooms or offices, and public toilets are generally equipped with switches for hot and cold water on the left and right, and the temperature is switched by turning to hot water or turning to cold water. Before using hot water, the cold water reserved in the pipeline must be drained, which will cause a lot of waste of water in the case of long branch pipes, and the problem of long waiting time for hot water demand. In the case of high-end demand at the end, in order to achieve fast hot and cold water switching, generally a circulation pipe is installed at the end branch pipe to quickly switch between hot water and cold water, but there are also situations where the cost is high, hot water circulates repeatedly, and the water pump consumes a lot of power , there is room for improvement.

Contents of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art. For this reason, the present invention proposes a water heater terminal regulating device, which can solve the problem of water waste.

The present invention also proposes a water heater assembly having the above water heater terminal adjustment device.

The water heater terminal adjustment device according to the embodiment of the present invention includes: a terminal temperature control valve, the terminal temperature control valve is suitable to be arranged between the water outlet end of the water heater and the water outlet tap, and the end temperature control valve is installed adjacent to the water outlet faucet , the terminal temperature control valve has a first conduction state and a second conduction state, when the terminal temperature control valve is in the first conduction state, the hot water with the first temperature output by the water heater passes through the The terminal temperature control valve is output to the water outlet tap; the on-off device, the on-off device is arranged between the terminal temperature control valve and the water heater, wherein the terminal temperature control valve is in the second guide In the ON state, the hot water with the second temperature output by the water heater flows back to the water heater after passing through the terminal temperature control valve and the ON/OFF device in the open state; wherein the first temperature is higher than the second temperature. temperature.

According to the water heater terminal adjustment device of the present invention, by setting the terminal temperature control valve and the on-off device between the water heater and the water outlet tap, the problem of waste caused by the discharge of cold water before the water outlet from the faucet can be solved, and the hot water outlet can be accelerated, and at the same time Can provide accurate hot water supply demand, so as to achieve the purpose of energy saving.

According to an embodiment of the water heater terminal regulating device of the present invention, the terminal temperature control valve includes: a first electromagnetic on-off valve and a temperature sensor, and the first electromagnetic on-off valve has a first water inlet end and a first water outlet end; The water heater terminal adjustment device further includes: a bypass pipeline, the bypass pipeline water inlet end of the bypass pipeline is connected with the first water inlet end, and the bypass pipeline water outlet of the bypass pipeline is The end is connected with the water heater, and the on-off device is arranged on the bypass pipeline.

Further, the water outlet end of the bypass pipeline is higher than the water outlet tap.

According to an embodiment of the water heater terminal adjustment device of the present invention, the terminal temperature control valve includes: a first three-way reversing valve and a temperature sensor, and the first three-way reversing valve has a water outlet tap interface, a water heater outlet interface and a water heater A water return interface, the water heater outlet interface is set to selectively communicate with one of the water outlet faucet interface and the water heater return interface.

According to an embodiment of the water heater terminal regulating device of the present invention, when the terminal temperature control valve is in the second conduction state, the terminal temperature control valve and the on-off device work in linkage.

According to an embodiment of the water heater terminal regulating device of the present invention, the on-off device is a second electromagnetic on-off valve.

According to another embodiment of the present invention, the water heater terminal adjustment device includes: a terminal temperature control valve, the terminal temperature control valve is suitable for being arranged between the water outlet end of the water heater and the water outlet tap, and the terminal temperature control valve is adjacent to the water outlet Installed on a faucet, the terminal temperature control valve has a first conduction state and a second conduction state, when the terminal temperature control valve is in the first conduction state, the hot water output by the water heater has a first temperature Output to the outlet tap through the terminal temperature control valve; on-off device and water storage, the on-off device is set between the terminal temperature control valve and the water storage, wherein the terminal temperature control valve When the control valve is in the second conduction state, the hot water with the second temperature output by the water heater flows back to the water storage after passing through the terminal temperature control valve and the on-off device in the open state, wherein The first temperature is greater than the second temperature.

Optionally, the terminal temperature control valve includes: a first electromagnetic on-off valve and a temperature sensor, the first electromagnetic on-off valve has a first water inlet end and a first water outlet end; the water heater end adjustment device further includes : bypass pipeline, the bypass pipeline water inlet end of the bypass pipeline is connected with the first water inlet end, and the bypass pipeline water outlet end of the bypass pipeline is connected with the water heater, so The on-off device is arranged on the bypass pipeline.

Optionally, the water reservoir is higher than the water outlet tap.

Optionally, the terminal temperature control valve includes: a first three-way reversing valve and a temperature sensor, the first three-way reversing valve has a water outlet faucet interface, a water heater outlet interface and a water heater return interface, and the water heater outlet The interface is configured to selectively communicate with one of the outlet tap interface and the water heater return interface.

Further, an overflow pipe is also provided on the water storage.

Optionally, the water heater terminal adjustment device further includes: a tap water connection pipeline, the tap water connection pipeline is suitable for being connected between the water storage and the tap water pipeline.

Further, a flow control valve and a one-way valve are arranged on the tap water connecting pipeline.

Optionally, the on-off device is a second electromagnetic on-off valve.

Further, the tap water pipeline is provided with a third electromagnetic on-off valve, and the tap water connection pipeline is connected between the third electromagnetic on-off valve and the water outlet tap.

Optionally, when the terminal temperature control valve is in the second conduction state, the terminal temperature control valve works in conjunction with the on-off device.

The water heater assembly according to the second aspect of the present invention is provided with the water heater terminal adjusting device according to any one of the first aspect, and further includes a water heater. The water heater assembly has the same advantages as the above-mentioned water heater terminal regulating device compared with the prior art, and will not be repeated here.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and comprehensible from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is a schematic structural view of a water heater terminal regulating device according to an embodiment of the present invention;

Fig. 2 is a schematic structural view of a water heater terminal regulating device according to another embodiment of the present invention;

Fig. 3 is a schematic structural view of a water heater terminal regulating device according to yet another embodiment of the present invention;

Fig. 4 is a schematic structural view of a water heater terminal regulating device according to a fourth embodiment of the present invention.

Reference signs:

Water heater terminal adjustment device 100, first electromagnetic on-off valve 1, first water inlet 11, first water outlet 12, temperature sensor 2, on-off device 3, bypass pipeline 4, bypass pipeline water inlet 41 , water outlet end 42 of bypass pipeline, first three-way reversing valve 5, outlet faucet interface 51, water heater outlet interface 53, water heater return interface 52, water heater 6, water reservoir 7, overflow pipe 71, tap water connection pipe Road 8, a flow control valve 81, a one-way valve 82, a tap water pipeline 9, a third electromagnetic on-off valve 91, and a water outlet tap 92.

detailed description

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

In describing the present invention, it is to be understood that the terms "centre", "length", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or element must have a particular orientation, be constructed, and operate in a particular orientation should therefore not be construed as limiting the invention. In addition, the features defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

The water heater terminal adjustment device 100 according to the embodiment of the present invention will be described below with reference to FIGS. 1-3 . As shown in FIGS. 1-3 , the water heater terminal regulating device 100 according to the embodiment of the present invention includes: a terminal temperature control valve (such as the first electromagnetic on-off valve 1 and the temperature sensor 2 of the embodiment in FIG. 1 , or the temperature sensor 2 in the embodiment in FIG. The first three-way reversing valve 5 and the temperature sensor 2) and the on-off device 3.

The way of hot water supply in the family bathroom and kitchen is mainly to heat the tap water to a certain temperature through the gas water heater 6 or the solar water heater 6, etc., and adjust the mixing ratio of cold and hot water according to the left and right of the end faucet to achieve the desired temperature. As shown in Figure 1 and Figure 2, the water heater 6 can have a water outlet and a water inlet, the water outlet is used to provide hot water for the water outlet 92, and a terminal temperature control can be provided between the water outlet of the water heater 6 and the water outlet 92 Valve, the temperature control valve at the end is installed adjacent to the water tap 92, so that it is convenient to detect the temperature of the hot water flowing in and out of the water tap 92.

Further, the terminal temperature control valve has a first conduction state and a second conduction state. When the terminal temperature control valve is in the first conduction state, the hot water with the first temperature T1 output by the water heater 6 is output through the terminal temperature control valve. To the outlet faucet 92, that is, the terminal temperature control valve can preset a temperature threshold. When the temperature of the hot water output by the water heater 6 is greater than or equal to the temperature threshold, it is considered that the temperature of the hot water meets the needs of the user, so the terminal temperature control valve is in the first position. In the conduction state, the hot water output by the water heater 6 can be output to the water outlet tap 92 through the terminal temperature control valve at this time, so as to facilitate the user's use.

At the same time, an on-off device 3 can also be arranged between the end temperature control valve and the water heater 6. The on-off device 3 is installed adjacent to the water heater 6. The on-off device 3 can have an open state and a closed state. When it is greater than or equal to the temperature threshold set by the terminal temperature control valve, the on-off device 3 can be in the closed state, and hot water flows out from the water outlet of the water heater 6, and then flows into and out of the faucet 92 after passing through the terminal temperature control valve.

And when the temperature of the hot water output by the water heater 6 is less than the temperature threshold set by the terminal temperature control valve, the terminal temperature control valve is in the second conduction state, and the on-off device 3 is in the open state. The hot water at the second temperature T2 (less than the temperature threshold, such as cold water or low-temperature hot water that does not meet the needs of users) flows back to the water heater 6 through the terminal temperature control valve and the on-off device 3, so as to be further heated until the water temperature The temperature threshold is reached.

The first temperature is greater than the second temperature, that is, the first temperature is greater than or equal to the preset temperature threshold of the end temperature control valve, and the second temperature is lower than the preset temperature threshold of the end temperature control valve.

According to the water heater terminal adjustment device 100 of the embodiment of the present invention, the terminal temperature control valve and the on-off device 3 are arranged between the water heater 6 and the water outlet tap 92, and the water temperature and the temperature of the hot water are controlled by the terminal temperature control valve and the on-off device 3. Outflow control can effectively prevent users from wasting cold water before using hot water. At the same time, it can speed up the speed of hot water outflow, and through the setting of the end temperature control valve, the temperature of the water outlet at the outlet tap 92 can meet the demand, avoiding the occurrence of cold conditions, thereby improving the user experience.

As shown in Figure 1, in the first embodiment of the present invention, the terminal temperature control valve may include: a first electromagnetic on-off valve 1 and a temperature sensor 2, the first electromagnetic on-off valve 1 has a first water inlet 11 and The first water outlet 12 , wherein the first water inlet 11 is connected to the water heater 6 , and the first water outlet 12 is connected to the water outlet faucet 92 .

The temperature sensor 2 is connected with the first electromagnetic on-off valve 1, and the temperature sensor 2 is used to detect the temperature of the water flowing out from the water heater 6, and the temperature sensor 2 can preset a temperature threshold (ie, the above-mentioned temperature threshold), so as to control the temperature from the water heater 6. 6 The temperature of the tap water flowing out of the water outlet is compared with the temperature threshold, and a signal is sent to the first electromagnetic on-off valve 1 (the dotted line in FIG. 1 represents signal transmission).

At the same time, the first electromagnetic on-off valve 1 can be linked with the on-off device 3. Further, the first electromagnetic on-off valve 1 and the on-off device 3 can communicate wirelessly, and the first electromagnetic on-off valve 1 and the on-off device A controller can be arranged between the devices 3 , and the controller can control the on-off device 3 to switch between the open state and the closed state after receiving the temperature signal from the temperature sensor 2 .

Specifically, when the temperature of the water flowing out of the water outlet of the water heater 6 exceeds the preset threshold value of the temperature sensor 2, the controller controls the on-off device 3 to close, so that the hot water flows in and out from the water heater 6 after passing through the first electromagnetic on-off valve 1 Faucets92. When the temperature of the water flowing out of the water outlet of the water heater 6 is lower than the preset threshold value of the temperature sensor 2, the controller controls the on-off device 3 to open, and the hot water at the outlet tap 92 passes through the on-off device 3 using residual pressure and then flows back to the water heater 6 .

Further, as shown in FIG. 1 and FIG. 2 , the water heater terminal regulating device 100 also includes: a bypass pipeline 4, the bypass pipeline water inlet 41 of the bypass pipeline 4 and the first electromagnetic on-off valve 1 of the bypass pipeline. A water inlet 11 is connected, and the bypass pipe outlet 42 of the bypass pipe 4 is connected with the water heater 6. The on-off device 3 can be arranged on the bypass pipe 4, and the on-off device 3 can be a second electromagnetic switch. cut off valve.

At the same time, the height of the water outlet end 42 of the bypass pipe is greater than the height of the water outlet tap 92, so as to prevent hot water with a temperature greater than a preset threshold from flowing back to the water heater 6 from the bypass pipe 4, thereby speeding up the outflow of hot water.

As shown in Figure 3 and Figure 4, in the second embodiment of the present invention, the terminal temperature control valve may include: a first three-way reversing valve 5 and a temperature sensor 2, the first three-way reversing valve 5 has Outlet faucet interface 51, water heater outlet interface 53 and water heater return interface 52, wherein the outlet faucet interface 51 is connected to the water outlet faucet 92, the water heater outlet interface 53 is connected to the water outlet of the water heater 6, and the water heater return interface 52 is connected to the return water of the water heater 6 Connected to the end or the water inlet.

Further, the water heater outlet port 53 is set to be selectively communicated with one of the water outlet tap port 51 and the water heater return port 52, that is to say, the water heater outlet port 53 can communicate with the outlet tap port 51, so that the water heater 6 When the temperature of the water flowing out of the water outlet exceeds the preset threshold of the temperature sensor 2 , hot water can flow into and out of the faucet 92 through the water heater outlet interface 53 and the outlet faucet interface 51 . When the temperature of the water flowing out of the water outlet of the water heater 6 is lower than the preset threshold value of the temperature sensor 2, the water heater outlet port 53 communicates with the water heater return port 52, so that hot water can flow back into the water heater 6 to continue heating.

Similarly, the first three-way reversing valve 5 can be linked with the on-off device 3, and further, the first three-way reversing valve 5 and the on-off device 3 can communicate wirelessly, and the first three-way reversing valve 5 and the on-off device 3 can be provided with a controller. After the controller receives the temperature signal from the temperature sensor 2, it can control the on-off device 3 to switch between the open state and the closed state. This on-off device 3 can be The second electromagnetic on-off valve, thus the control of the on-off device 3 is convenient.

The water heater terminal adjusting device 100 according to other embodiments of the present invention will be described in detail below with reference to FIG. 2 and FIG. 4 .

As shown in Fig. 2 and Fig. 4, according to the water heater terminal regulating device 100 of the third embodiment of the present invention, the terminal temperature control valve is suitable to be arranged between the water outlet end of the water heater 6 and the water outlet tap 92, and the terminal temperature control valve is adjacent to The outlet faucet 92 is installed, and the end temperature control valve has a first conduction state and a second conduction state. When the end temperature control valve is in the first conduction state, the hot water with the first temperature output by the water heater 6 passes through the end temperature control valve. Output to the water outlet tap 92, this process is the same as the process of the above-mentioned first embodiment, and will not be repeated here.

At the same time, the end device of the water heater 6 in the embodiment of the present invention may also include an on-off device 3 and a water storage 7, as shown in Figure 2 and Figure 4, the on-off device 3 is arranged between the end temperature control valve and the water storage 7 , wherein when the end temperature control valve is in the second conduction state, the hot water with the second temperature output by the water heater 6 flows back to the water storage 7 after passing through the end temperature control valve and the on-off device 3 in the open state, wherein the first The temperature (beyond the temperature threshold) is greater than a second temperature (less than the temperature threshold).

Further, as shown in FIG. 2 , the terminal temperature control valve may include: a first electromagnetic on-off valve 1 and a temperature sensor 2, the temperature sensor 2 is used to detect the temperature of the water flowing out from the water heater 6, and the first electromagnetic on-off valve 1 It has a first water inlet 11 and a first water outlet 12 , the first water inlet 11 is connected to the water outlet of the heater, and the first water outlet 12 is connected to the water outlet faucet 92 .

The water heater terminal regulating device 100 may also include: a bypass pipeline 4, the bypass pipeline water inlet 41 of the bypass pipeline 4 is connected to the first water inlet 11, and the bypass pipeline of the bypass pipeline 4 is discharged The end 42 is connected with the water reservoir 7, and the on-off device 3 is arranged on the bypass pipeline 4.

The water reservoir 7 is higher than the water outlet tap 92, thereby preventing hot water with a temperature greater than a preset threshold from flowing back to the water heater 6 from the bypass line 4, thereby speeding up the flow of hot water.

As shown in Figure 4, in the fourth embodiment of the present invention, the terminal temperature control valve may include: a first three-way reversing valve 5 and a temperature sensor 2, the first three-way reversing valve 5 has a water outlet tap interface 51, The water heater outlet interface 53 and the water heater return interface 52, wherein the water outlet faucet interface 51 is connected with the water outlet faucet 92, the water heater outlet interface 53 is connected with the water outlet of the water heater 6, and the water heater return interface 52 is connected with the water storage 7.

Further, the water heater outlet port 53 is set to be selectively communicated with one of the water outlet tap port 51 and the water heater return port 52, that is to say, the water heater outlet port 53 can communicate with the outlet tap port 51, so that the water heater 6 When the temperature of the water flowing out of the water outlet exceeds the preset threshold of the temperature sensor 2 , hot water can flow into and out of the faucet 92 through the water heater outlet interface 53 and the outlet faucet interface 51 . When the temperature of the water flowing out of the water outlet of the water heater 6 is lower than the preset threshold of the temperature sensor 2 , the water heater outlet port 53 communicates with the water heater return port 52 , so that hot water can flow back into the water storage 7 .

As shown in Figures 2 and 4, an overflow pipe 71 can also be provided on the water storage 7, so that when the water in the water storage 7 is too much to overflow, the excess water can be discharged to the toilet or toilet through the overflow pipe 71. in the drain pipe.

As shown in Fig. 2 and Fig. 4, the water heater terminal adjustment device 100 of the third and fourth embodiments of the present invention may also include: a tap water connection pipeline 8, which is suitable for connecting between the water storage 7 and the Between the tap water pipeline 9, and the tap water connection pipeline 8 can be provided with a flow control valve 81 and a one-way valve 82, the tap water pipeline 9 is provided with the third electromagnetic on-off valve 91, the tap water connection pipeline 8 is connected to the second Between the three electromagnetic on-off valves 91 and the water outlet tap 92 .

The flow control valve 81 can detect and control the size of the water flow in the tap water connection pipeline 8, and the flow control valve 81 can be linked with the third electromagnetic on-off valve 91. When the water flow is large, the flow control valve 81 controls the third electromagnetic The on-off valve 91 is closed, and the water in the water reservoir 7 can flow to the tap water pipeline 9 through the flow control valve 81 and the one-way valve 82, and finally flows into and out of the tap 92; When the water flow rate is small, the flow control valve 81 controls the third electromagnetic on-off valve 91 to open, so that the cold water from the tap water pipe enters the outlet tap 92, and the existence of the one-way valve 82 can ensure that the water in the tap water pipe will not flow to the storage tank. In the water container 7, the control is convenient.

In summary, according to the water heater terminal adjustment device 100 of the embodiment of the present invention, the terminal temperature control valve and the on-off device 3 are set between the water heater 6 and the water outlet tap 92, and the terminal temperature control valve and the on-off device 3 are paired. The water temperature and the outflow of hot water are controlled, which can effectively prevent users from wasting cold water before using hot water, and at the same time can speed up the outflow of hot water, and through the setting of the terminal temperature control valve, the water outlet temperature at 92 of the outlet faucet can be adjusted. Meet the demand and avoid the situation of overcooling, thereby improving the user experience.

The present invention also provides a water heater assembly, the water heater 6 assembly includes the water heater 6 and the above-mentioned water heater end adjustment device 100, so that it has the advantages of energy saving and hot water output speed.

In the description of this specification, references to the terms "one embodiment," "some embodiments," "exemplary embodiments," "example," "specific examples," or "some examples" are intended to mean that the implementation A specific feature, structure, material, or characteristic described by an embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the invention is defined by the claims and their equivalents.

Claims (17)

1. A water heater terminal regulator, characterized in that it comprises: A terminal temperature control valve, the terminal temperature control valve is suitable for being arranged between the water outlet end of the water heater and the water outlet faucet, the terminal temperature control valve is installed adjacent to the water outlet faucet, and the terminal temperature control valve has a first conduction state and a second conduction state, when the end temperature control valve is in the first conduction state, the hot water output by the water heater with a first temperature is output to the outlet faucet through the end temperature control valve; An on-off device, the on-off device is arranged between the terminal temperature control valve and the water heater, wherein when the terminal temperature control valve is in the second conduction state, the output of the water heater has a second temperature The hot water flows back to the water heater after passing through the terminal temperature control valve and the on-off device in an open state; Wherein the first temperature is greater than the second temperature. 2. The water heater terminal regulating device according to claim 1, characterized in that: The terminal temperature control valve includes: a first electromagnetic on-off valve and a temperature sensor, and the first electromagnetic on-off valve has a first water inlet end and a first water outlet end; The water heater terminal adjustment device further includes: a bypass pipeline, the bypass pipeline water inlet end of the bypass pipeline is connected with the first water inlet end, and the bypass pipeline water outlet of the bypass pipeline is The end is connected with the water heater, and the on-off device is arranged on the bypass pipeline. 3 . The water heater terminal adjustment device according to claim 2 , wherein the water outlet end of the bypass pipe is higher than the water outlet tap. 4 . 4. The water heater end regulating device according to claim 1, characterized in that: The terminal temperature control valve includes: a first three-way reversing valve and a temperature sensor, the first three-way reversing valve has a water outlet tap interface, a water heater outlet interface and a water heater return interface, and the water heater outlet interface is set to be It is selectively communicated with one of the outlet faucet interface and the water heater return interface. 5 . The water heater terminal regulating device according to claim 1 , wherein, when the terminal temperature control valve is in the second conduction state, the terminal temperature control valve works in linkage with the on-off device. 6 . 6. The water heater end regulating device according to claim 1, characterized in that the on-off device is a second electromagnetic on-off valve. 7. A water heater end regulator, characterized in that it comprises: A terminal temperature control valve, the terminal temperature control valve is suitable for being arranged between the water outlet end of the water heater and the water outlet faucet, the terminal temperature control valve is installed adjacent to the water outlet faucet, and the terminal temperature control valve has a first conduction state and a second conduction state, when the end temperature control valve is in the first conduction state, the hot water output by the water heater with a first temperature is output to the outlet faucet through the end temperature control valve; An on-off device and a water storage, the on-off device is arranged between the terminal temperature control valve and the water storage, wherein when the terminal temperature control valve is in the second conduction state, the water heater The output hot water with a second temperature passes through the terminal temperature control valve and the on-off device in an open state and then flows back to the water storage, wherein the first temperature is greater than the second temperature. 8. The water heater terminal adjustment device according to claim 7, characterized in that: The terminal temperature control valve includes: a first electromagnetic on-off valve and a temperature sensor, and the first electromagnetic on-off valve has a first water inlet end and a first water outlet end; The water heater terminal adjustment device further includes: a bypass pipeline, the bypass pipeline water inlet end of the bypass pipeline is connected with the first water inlet end, and the bypass pipeline water outlet of the bypass pipeline is The end is connected with the water heater, and the on-off device is arranged on the bypass pipeline. 9. The water heater terminal adjustment device according to claim 7, wherein the water storage tank is higher than the water outlet tap. 10. The water heater end regulating device according to claim 7, characterized in that: The terminal temperature control valve includes: a first three-way reversing valve and a temperature sensor, the first three-way reversing valve has a water outlet tap interface, a water heater outlet interface and a water heater return interface, and the water heater outlet interface is set to be It is selectively communicated with one of the outlet faucet interface and the water heater return interface. 11. The water heater terminal adjusting device according to claim 7, characterized in that, an overflow pipe is further arranged on the water storage. 12 . The water heater terminal adjustment device according to claim 7 , further comprising: a tap water connection pipeline, the tap water connection pipeline being adapted to be connected between the water storage device and the tap water pipeline. 13 . 13. The water heater terminal regulating device according to claim 12, wherein a flow control valve and a one-way valve are arranged on the tap water connecting pipeline. 14. The water heater end regulating device according to claim 7, wherein the on-off device is a second electromagnetic on-off valve. 15. The water heater terminal adjustment device according to claim 12, characterized in that a third electromagnetic on-off valve is arranged on the tap water pipeline, and the tap water connection pipeline is connected between the third electromagnetic on-off valve and the on-off valve. Said between the taps. 16. The water heater terminal regulating device according to claim 7, characterized in that, when the terminal temperature control valve is in the second conduction state, the terminal temperature control valve and the on-off device work in linkage. 17. A water heater assembly, comprising: A water heater and the water heater terminal regulating device according to any one of claims 1-16.