TWI706115B - Electric water heater system with adjustable water temperature and reduced heat loss - Google Patents

Abstract

The present invention is an electric water heater system with adjustable water temperature and reduced heat loss, which is mainly connected with cold water pipelines and hot water pipelines, and includes: electric water heaters, flow valve stems, control valve bodies, including main valve seats, cover and Splitter: After the cold water of the cold water pipeline flows through the splitter, part of it directly enters the electric water heater for heating, and the other part of the cold water flows into the cold inlet pipe of the water inlet and the hot water flowing into the hot inlet pipe of the hot water pipe. After mixing, cold water and hot water flow into the mixing water pipe through the water inlet, and then flow out to the mixing tank chamber through the mixing pipe. When the mixed water flows into the mixing tank chamber, the pendulum block is impulsive, and the pendulum block is magnetically attracted to the magnetic control. You can start the operation of the motor and control the flow valve stem to pivot, thereby controlling the rotation position of the water inlet to adjust the flow ratio of cold water and hot water.

Description

Electric water heater system with adjustable water temperature and reduced heat loss

The present invention is an electric water heater system with adjustable water temperature and reduced heat loss. It refers in detail to the technology applied in the field of household appliances. The main technology is that it can generate the most suitable water temperature with the most accurate induction, and then provide the most suitable The temperature can be used by the user for washing, which is an invention with excellent practicality.

After going home from hard work every day, in addition to enjoying food and proper rest, the most enjoyable part is taking a bath. Use water to wash away the exhaustion and completely relax the body. The most important part of taking a bath is proper Water temperature, everyone’s perception of water temperature is different, but how to get the right water temperature is the most requested technology for many users. Most people on the market give the right water temperature in two ways, one It is a traditional gas bucket with a faucet turning, but this method has a shortcoming that it cannot be adjusted to the best temperature. If the faucet is turned too much, the water temperature will become cold, but if it is turned too little, it will become hot. Therefore, the traditional The use of gas buckets has been gradually eliminated; the second is the use of more and more common electric water heaters. Electric water heaters mainly control the water temperature in the water storage bucket through an internal temperature controller. The user is based on the temperature in the current storage bucket. The faucet is adjusted for washing.

However, although the above-mentioned electric water heater can produce the most suitable water temperature better than the traditional gas bucket, there are several problems with the electric water heater. First of all, the electric water heater is connected with a water storage bucket to provide many uses, but the problem caused by this is: Once the water in the storage bucket is used, the electric water heater must be heated immediately, but the hot out and cold in mode will gradually cause the temperature in the storage bucket to drop Simply speaking, to discharge five liters of hot water, five liters of cold water must be supplemented. Reheating the five liters of cold water requires extremely high electrical energy consumption, and it will also cause users to have to add water if they still need water. It takes time to wait for the cold water to heat up before it can be used. In addition, because the temperature in the water storage bucket continues to drop, users need to constantly adjust the faucet to reach the desired temperature in order to maintain a stable water outlet temperature.

In view of the problems caused by the prior art in the above-listed descriptions of the prior art, the inventor has devoted a lot of time to research related knowledge and compare the pros and cons of various pros and cons, conduct research and development of related products, and have experienced much After the second experiment and testing, an "electric water heater system with adjustable water temperature and reduced heat loss" was finally launched to improve the above shortcomings and meet the needs of the public.

The main purpose of the present invention is to provide users with water temperature sensing and mixing of cold water and hot water when they need warm water, thereby saving water expenditure and power consumption, allowing users to use When washing with the most suitable water temperature, it improves the water temperature control operation of the conventional electric water heater. In addition to the traditionally unable to effectively adjust the required water temperature, the manual adjustment method may easily cause insufficient temperature sensing, resulting in The generated water temperature does not meet the needs of the user, and it takes time, electricity, and water to wait for the adjustment and change of the water temperature. Therefore, in order to achieve the above-mentioned effects and improve the conventional deficiencies, the present invention has The electric water heater system that regulates water temperature and reduces heat loss is mainly connected with cold water pipes and hot water pipes, including: an electric water heater, one end of the hot water pipe is connected to the electric water heater; a control valve body, which The main valve seat includes a main valve seat, a cover and a diverter. The main valve seat includes a main shell and a water inlet. One end of the main shell is recessed to form a mixing tank chamber, and is provided at the bottom of the mixing tank chamber There is a water outlet, and the water inlet contains a cold The inlet pipe, a hot inlet pipe and a water mixing pipe, one end of the water mixing pipe is connected to the mixing tank chamber, and the hot inlet pipe system is connected to the other end of the hot water pipe. In addition, the splitter is provided with a first water distribution pipe and a second water distribution pipe. A water distribution pipe and a water inlet pipe. The cold inlet pipe of the water inlet is connected to the first water distribution pipe or the second water distribution pipe of the splitter, and the other pipe of the first water distribution pipe or the second water distribution pipe is connected to the electric The water heater and the cold water pipeline are connected to the inlet pipe of the diverter. In addition, the cover is installed and blocked on the side of the main shell with the mixing tank chamber, and the cover corresponds to one of the mixing tank chamber. A pendulum block is further pivoted on the side, and a magnetic control is arranged inside the cover. The cold water of the cold water pipeline and the hot water of the hot water pipeline flow through the mixing pipe and then flow to the mixing tank chamber and impulse the pendulum block; and a flow valve stem, One end is installed in the mixing pipe and the other end is exposed outside the mixing pipe. The end of the flow valve stem exposed outside the mixing pipe is connected to a motor which is electrically connected to the magnetic control inside the cover. The end surface of the flow valve stem located in the mixing pipe is recessed with a water mixing pipe, and a water inlet is opened on the outer peripheral side of the flow valve stem to communicate with the water mixing pipe; wherein, after the cold water of the cold water pipe flows through the splitter, Part of the cold water directly enters the electric water heater for heating, while the other part of the cold water flows into the cold inlet pipe of the water inlet and the hot water pipe into the hot inlet pipe to be mixed, and the cold water and hot water flow into the mixing pipe through the water inlet. It flows out through the mixing pipe to the mixing tank chamber. When the mixed water flows into the mixing tank chamber, the pendulum block is impulsive. After the pendulum block and the magnetic control are magnetically attracted to each other, it can start the operation of the motor and control the flow valve stem to pivot. In this way, the rotation position of the water inlet is controlled to adjust the flow ratio of cold water and hot water.

According to the above-mentioned main technology defined for the present invention, its advantage is that the water flow of the cold water pipeline is divided by the setting of the diverter, which can reduce the heat loss of the electric water heater when the water is supplied after the hot water is supplied. Heating does not need to consume too much electricity for cold water heating; in addition, through the setting of the pendulum block and magnetic control installed on the cover, when the mixture of cold water and hot water rushes to the mixing tank chamber to impact the pendulum block, the magnetic control control is activated The motor starts to work, and the motor works well Pivoting with the control flow valve stem, the pivoting of the flow valve stem can control the flow of cold water and hot water to mix the desired water temperature. On the contrary, when the use of cold water and hot water is turned off, the pendulum is not affected by mixing. When the water impacts, the flow valve stem will not pivot and will not change the water temperature at any time, so that the water temperature control can be more accurate at the next startup. It can be seen that this case can be said to be a very practical and progressive invention, which is worthy of being promoted by the industry and made public.

(10): Cold water pipeline

(20): Hot water pipe

(1): Electric water heater

(2): Control valve body

(21): Main valve seat

(211): Main Shell

(212): Water inlet

(213): Mixing tank room

(214): Outlet

(215): cold inlet pipe

(216): Heat inlet pipe

(217): Mixing pipe

(22): Cover

(23): Shunt

(231): The first water distribution pipe

(232): second water distribution pipe

(233): inlet pipe

(3): swing block

(4): Magnetic control

(5): Flow valve stem

(51): Mixed water pipeline

(52): Inlet

(6): Motor

(7): The first check valve

(8): The second check valve

(9): Control board

(91): Control panel

(911): display

(912): Control knob

(92): Water temperature sensor

The first figure is an exploded perspective view of the electric water heater of the present invention connecting the cold water pipeline, the hot water pipeline, and the control valve body and the flow valve stem.

The second figure is a three-dimensional schematic diagram of the control valve body of the present invention.

Figure 2A is a partial exploded perspective view of the control valve body of the present invention.

The third figure is a schematic cross-section of the line section III-III in the second figure.

The fourth figure is a schematic cross-sectional view of the line segment IV-IV in the second figure.

The fifth figure is a schematic plan view of the combination of the present invention.

The sixth figure is a schematic diagram of the flow of water in the cold water pipeline and the hot water pipeline.

The seventh figure is a schematic cross-sectional view of the action of cold water and hot water flowing to the mixing tank chamber of the present invention and impacting the pendulum block to pivot, and the flow valve stem pivots.

Figure 8 is a block diagram of the present invention with a second check valve.

In order to clearly illustrate that the present invention can achieve the above-mentioned objectives and effects, the features and effects of the embodiments of the present invention are described in detail with figures. Please refer to the first to seventh pictures It is shown that an electric water heater system with adjustable water temperature and reduced heat loss of the present invention is mainly connected with a cold water pipeline (10) and a hot water pipeline (20), which includes: an electric water heater (1), and its hot water pipe One end of the circuit (20) is connected to the electric water heater (1); a control valve body (2), which includes a main valve seat (21), a cover (22) and a diverter (23), the main The valve seat (21) includes a main shell (211) and a water inlet (212). One end of the main shell (211) is recessed to form a water mixing tank chamber (213), and is located in the water mixing tank chamber (213) A water outlet (214) is provided at the bottom. After the cold water and hot water are mixed in the water mixing tank (213), the water outlet (214) flows out for use. The water inlet (212) includes a cold inlet pipe (215), A heat inlet pipe (216) and a water mixing pipe (217), one end of the water mixing pipe (217) is connected to the water mixing tank chamber (213), and the heat inlet pipe (216) is connected to the other end of the hot water pipe (20) In addition, the splitter (23) is provided with a first water distribution pipe (231), a second water distribution pipe (232) and a water inlet pipe (233), and the cold inlet pipe (215) of the water inlet (212) is connected The first water distribution pipe (231) or the second water distribution pipe (232) of the diverter (23), and the other pipe of the first water distribution pipe (231) or the second water distribution pipe (232) is connected to the electric water heater ( 1) The cold water pipe (10) is connected to the water inlet pipe (233) of the diverter (23), and the cover (22) is installed on the main shell (211) with a mixing tank chamber (213) ) And blocked, and a pendulum block (3) is further pivoted on the side of the cover corresponding to the mixing tank chamber (213), and a magnetic control (4) is provided inside the cover (22), The cold water of the cold water pipe (10) and the hot water of the hot water pipe (20) flow through the mixing pipe (217) and then flow to the mixing tank chamber (213) and impulse the pendulum block (3); and a flow valve stem (5), which One end is installed in the mixing pipe (217) and the other end is exposed outside the mixing pipe (217). One end of the flow valve stem (5) exposed outside the mixing pipe (217) is connected to a motor (6). (6) is electrically connected with the magnetic control (4) inside the cover (22), and the end surface of the flow valve stem (5) is located in the mixing pipe (217), and a mixing pipe (51) is recessed in the end surface, A water inlet (52) is opened on the outer peripheral side of the flow valve stem (5) to communicate with the water mixing pipe (51); among them, after the cold water of the cold water pipe (10) flows through the splitter (23), a part of it directly enters The electric water heater (1) is heated, and the other part of the cold water flows into the water inlet The cold inlet pipe (215) of (212) is mixed with the hot water flowing into the hot inlet pipe (216) from the hot water pipe (20), and the cold water and hot water flow into the mixing pipe (51) through the water inlet (52) Then it flows out to the mixing tank chamber (213) through the mixing pipe (217). When the mixed water flows into the mixing tank chamber (213), the pendulum block (3) is impulsive, and the pendulum block (3) is connected with the magnetic control (4) After mutual magnetic attraction, the operation of the motor (6) can be started and the flow valve stem (5) can be controlled to pivot, thereby controlling the rotation position of the water inlet (52) to adjust the flow ratio of cold water and hot water.

According to the above description of the present invention, please refer to the second, fifth, sixth and seventh diagrams, and refer to the arrow direction of the sixth diagram (the direction of the water flow in the cold water pipe (10) and the hot water pipe (20)), The arrow direction in the seventh figure (the thin arrow is the water flow direction after mixing, the thick arrow is the swing direction of the pendulum block (3)). When the conventional electric water heater is in use, it is illustrated in a practical way. When five people need to take a bath, the amount of water produced by the electric water heater is limited. When only three people can use it, the remaining two people have to wait for the cold water to be replenished by the electric water heater before they can continue to use it, but the amount of cold water is still It is mainly used by five people, so the electric water heater must take more time to heat, so that the time and power consumption are too long and too large, and if the remaining two people continue to use it, it will only cause the electric water heater to heat up The speed is not fast enough, and the water temperature cannot reach a certain degree of heat. This behavior is undoubtedly the heat loss in the electric water heater and the hot water pipe. Long-term use will accelerate the loss of the parts in the electric water heater, and the electricity bill will also increase. Therefore, the present invention uses the setting of the diverter (23) to divert the amount of cold water provided by the cold water pipeline (10), so that the amount of cold water entering the electric water heater (1) is reduced, and the amount of cold water decreases when the electric water heater (1) ) There is no need to use too much electric energy for heating, and the amount of cold water is small, and the heating speed can be faster, so that it will not cause the heat loss of the electric water heater (1) and the hot water pipeline (20); the present invention The pendulum block (3) and the magnetic control (4) are used together. When the cold water pipe (10) and the hot water pipe (20) turn on the flow of water, the mixing of cold water and hot water will impulse the pendulum block (3) , The swing of the pendulum block (3) will be magnetically induced with the magnetic control (4) and then Start the motor (6) to start the operation, the operation of the motor (6) can start to control the flow valve stem (5) to pivot, and the pivot of the flow valve stem (5) can control the ratio of the mixed water volume of cold water and hot water , In this way, the set water temperature can be reached quickly. On the contrary, when the cold water and hot water are turned off, the pendulum block (3) cannot be inducted with the magnetic control (4) to open the motor (6). As for the flow valve stem (5) maintained at a fixed position, it will not pivot at will, so that the water temperature remaining in the mixing tank chamber (213) is maintained at a constant value, so that the next operation can be used from a stable temperature According to the judgment, the flow rate valve stem (5) is pivoted and quickly adjusted to the set water temperature, which does not consume time or waste too much water.

However, according to the above description, the further technical feature of the present invention lies in the following. First of all, please refer to Figures 5 and 6, in order to prevent the mixed water from flowing to the cold water pipe (10) and cause the cold water pipe ( 10) the water temperature rises, so the present invention is further provided with a first check valve (7) installed between the cold water pipeline (10) and the water inlet pipe (233) of the diverter (23), the first reverse The function of the stop valve (7) is to stop the water in the first water distribution pipe (231) and the second water distribution pipe (232) from flowing backward and neutralize the cold water in the cold water pipe (10), thereby protecting the cold water pipe (10) The cold water can maintain a certain degree of coldness in the supply; in addition, please refer to the eighth figure, except that the setting of the first check valve (7) prevents the cold water temperature of the cold water pipeline (10) from being raised and gradually In addition to changing the temperature, the present invention can also be further provided with a second check valve (8) at one end of the cold inlet pipe (215) of the main valve seat (21) communicating with the water mixing tank chamber (213), the second check valve (8) ) Has the same function as the first check valve (7) for blocking the water in the mixing tank (213), the hot water pipe (20) and the cold water in the cold water pipe (10), but the first check valve mentioned above (7) and the second check valve (8) are used separately, but the first check valve (7) and the second check valve (8) can also be used together to completely prevent the cold water pipeline ( The cold water temperature of 10) is affected by the water temperature of the mixing tank (213) and the hot water pipe (20) (not shown).

Finally, the present invention adopts the setting of water temperature and the operation of starting operation of the motor (6) In order to achieve centralized control, a control board (9) and a control panel (91) are further provided. The control panel (91) is arranged on the outer peripheral side of the electric water heater (1), and the control panel (91) is electrically connected to the control The substrate (9) also includes a display (911) and a plurality of control buttons (912). The plurality of control buttons (912) are provided for the user to press and input, set, and adjust the required water temperature. The display (911) It displays the current and adjusted water temperature value. The motor (6) and the magnetic control (4) are also electrically connected to the control board (9). When the user sets the required water temperature through the control panel (91) After the temperature is warm, when the electric water heater (1) is turned on for flushing in the future, the cold water and hot water will first impact the pendulum block (3) and sense with the magnetic control (4) to start the operation of the motor (6). When the operation control flow valve stem (5) is pivoted, it will be pivoted according to the temperature set by the control panel (91), and the position of the water inlet (52) will be adjusted to limit the ratio of the amount of cold water and hot water, and the control board ( 9) is installed in the electric water heater (1) and electrically connected to the mains, please refer to the fifth figure; in addition, the present invention is provided with a water temperature sensor (92) on the outer peripheral side of the main valve seat (21), The water temperature sensor (92) is partly located in the mixing tank chamber (213) and partly outside the main valve seat (21), and the water temperature sensor (92) is electrically connected to the control board (9), And the water temperature sensor (92) senses the water temperature after the cold water and hot water are mixed and transmits the data to display on the display (911), providing the user with information about the temperature of the current water temperature, please refer to the second A, As shown in the three figures.

Combining all the technical features of the present invention described above, the cold water in the cold water pipeline (10) is diverted mainly through the use of the diverter (23), which reduces the amount of cold water entering the electric water heater (1) and facilitates the electric water heater (1) Heating the cold water does not need to consume too much energy and time, so that the heat loss in the electric water heater (1) can be reduced, and the setting of the pendulum block (3) and the magnetic control (4) can be used when the user needs it. Start the pivoting of the flow valve stem (5) to adjust the ratio of cold water and hot water, and the flow valve stem (5) stops pivoting when no water is needed, so that the main valve seat (21) maintains a constant Temperature, it is convenient to use the flow valve stem (5) can quickly pivot to adjust the cold water, hot water The amount of water is mixed to the set water temperature, reducing waiting time and water waste. Compared with the conventional electric water heater, the present invention is more suitable for the user's use and does improve the lack of conventional knowledge. Obviously, it has a certain degree of progress. And practicality. The above descriptions are only used to explain the preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Therefore, any modification related to the present invention made under the same inventive spirit Or changes, other types that can be implemented and have the same effect, should still be included in the scope of the present invention.

In summary, the “electric water heater system with adjustable water temperature and reduced heat loss” of the present invention is indeed fully in line with the needs of industrial development in terms of practicality and cost-effectiveness, and the disclosed structural invention also has Unprecedented innovative structure, so its "novelty" should be considered, and the present invention can be more effective than the conventional structure, so it is also "progressive", which fully meets the requirements of the patent law of China for invention patent applications According to the regulations, patent applications should be filed in accordance with the law, and we ask the Bureau to review and affirm it as soon as possible.

10: Cold water pipeline

20: Hot water pipe

1: electric water heater

2: Control valve body

21: Main valve seat

211: Main Shell

212: Inlet Department

23: shunt

231: The first water distribution pipe

232: The second water distribution pipe

233: Inlet Pipe

6: Motor

9: Control board

91: control panel

911: display

912: Control knob

Claims (6)

An electric water heater system with adjustable water temperature and reduced heat loss, which is mainly connected with cold water pipes and hot water pipes, comprising: an electric water heater, one end of the hot water pipe is connected to the electric water heater; a control valve Body, which includes a main valve seat, a cover and a diverter. The main valve seat includes a main housing and a water inlet. One end of the main housing is recessed to form a water mixing tank chamber, and is located in the water mixing tank There is a water outlet at the bottom of the chamber, and the water inlet includes a cold inlet pipe, a hot inlet pipe and a mixing water pipe. One end of the mixing pipe is connected to the mixing tank chamber, and the hot inlet pipe is connected to the other end of the hot water pipe. In addition, the diverter is provided with a first water distribution pipe, a second water distribution pipe and an inlet pipe. The cold inlet pipe of the water inlet part is connected to the first water distribution pipe or the second water distribution pipe of the diverter, and the first The other pipe of the water distribution pipe or the second water distribution pipe is connected to the electric water heater, and the cold water pipe is connected to the water inlet pipe of the diverter, and the cover is installed on the side of the main shell with the mixing tank chamber The cover is further pivoted on one side of the mixing tank chamber, and a magnetic control is arranged inside the cover. The cold water of the cold water pipeline and the hot water of the hot water pipeline flow through the mixing pipe. Flow to the mixing tank chamber and impulse the pendulum; and a flow valve stem, one end of which is installed in the mixing pipe and the other end protruding out of the mixing pipe. The end of the flow valve stem exposed outside the mixing pipe is connected to a motor. The motor is electrically connected to the magnetic control inside the cover, and the end surface of the end of the flow valve stem located in the mixing pipe is recessed with a water mixing pipe, and a water inlet is opened on the outer peripheral side of the flow valve stem to communicate with the water mixing pipe ; Among them, after the cold water of the cold water pipeline flows through the splitter, part of it directly enters the electric water heater for heating, and the other part of the cold water flows into the cold inlet pipe of the water inlet and the hot water flowing into the hot inlet pipe of the hot water pipe. After mixing, cold water and hot water flow into the mixing water pipe through the water inlet, and then flow out to the mixing tank chamber through the mixing pipe. When the mixed water flows into the mixing tank chamber, the pendulum block is impulsive, and the pendulum block is magnetically attracted to the magnetic control. Can Start the operation of the motor and control the flow valve stem to pivot, thereby controlling the rotation position of the water inlet to adjust the flow ratio of cold water and hot water. According to item 1 of the scope of patent application, the electric water heater system with adjustable water temperature and reduced heat loss is further provided with a first check valve installed between the cold water pipeline and the water inlet pipe of the diverter. The first check valve is to block the counter-flow return cold water pipeline of the first water distribution pipe and the second water distribution pipe of the diverter. According to item 1 of the scope of patent application, the electric water heater system with adjustable water temperature and reduced heat loss is further provided with a second check valve installed at one end of the cold inlet pipe of the main valve seat connected to the mixing tank chamber , The second check valve is to block the backflow of the mixing water tank chamber to the cold water pipeline. According to item 2 of the scope of patent application, the electric water heater system with adjustable water temperature and reduced heat loss is further provided with a second check valve installed at the end of the cold inlet pipe of the main valve seat connected to the mixing tank chamber , The second check valve is to block the backflow of the mixing water tank chamber to the cold water pipeline. According to any one of items 1 to 4 of the scope of patent application, the electric water heater system with adjustable water temperature and reduced heat loss is further provided with a control board and a control panel which are installed in the electric water heater. The motor, the magnetic control and the control panel are electrically connected to the control substrate, and the control panel is installed on the outer surface of the electric water heater and is provided with a plurality of control buttons and a display. The control of each control button is to adjust and set the motor to drive the flow valve The pivot of the lever changes the amount of cold water and hot water, and the display displays the desired water temperature after the control buttons are controlled; in addition, the control board links the adjustment action between the motor and the control panel. According to item 5 of the scope of patent application, the electric water heater system with adjustable water temperature and reduced heat loss, wherein a water temperature sensor is provided on the outer peripheral side of the main valve seat, and the water temperature sensor is located locally The water mixing tank is partially located outside the main valve seat, and the water temperature sensor is electrically connected The control substrate is connected, and the water temperature sensor senses the water temperature after the cold water and hot water are mixed and transmits the data to display on the display.

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