TWM620857U - Intelligent electric heating device - Google Patents

Abstract

This creation is related to an intelligent electric heating device, including: a storage unit, a first heating unit, a liquid pipeline, a second heating unit, a control unit, and a first temperature sensing unit; through the first temperature The sensing unit obtains an ambient temperature, and the control unit compares the ambient temperature, a maximum elevated temperature and a set temperature to respectively control whether the first heating unit and the second heating unit are to be activated. In this way, users in different seasons and regions can better use hot water of sufficient temperature.

Description

Intelligent electric heating device

This creation is about an electric heating device, especially an electric heating device that can be intelligently controlled.

Electric heating devices, taking water heaters as an example, are usually divided into two categories: thermal storage water heaters and instantaneous heat water heaters.

Thermal storage water heaters, for example, the Republic of China Patent Publication No. M281147 proposed a structural improvement of storage electric water heaters. The heater in the water storage tank directly heats the cold water supplemented into the water storage tank, and the heating is completed. The hot water flows out from the water storage tank for use.

Instantaneous water heaters are, for example, an electric heating device proposed by the creator to the Intellectual Property Bureau of the Republic of China, and was listed as the Republic of China Patent Publication No. I471510. It is mainly composed of multiple heating sections and matching corresponding Electric heating rod, so that the liquid in the liquid pipeline can contact a large area heating source to quickly absorb heat energy to achieve the purpose of rapid heating.

Generally, thermal storage water heaters and instantaneous water heaters will be installed alternatively. However, depending on the season, thermal storage water heaters and instantaneous water heaters have their own advantages and disadvantages. For example, in summer, thermal storage water heaters consume excess energy, It takes a long time to wait. In winter, the power of the instantaneous water heater is limited by the wiring of the building, and the water temperature that can be increased by heating is limited, especially in cold areas, only relying on the instantaneous water heater for heating, it is difficult to wash well A hot bath.

Therefore, in order to solve the above problems, the author proposes an intelligent electric heating device to automatically switch the water heater to the heat storage type or the instantaneous heat type according to the ambient temperature, which includes: a storage unit in which water is stored; A heating unit arranged in the storage unit; a liquid pipeline adjacent to the storage unit; the liquid pipeline has an inlet communicating with the storage unit and an outlet opposite to the inlet; a second heating unit adjacent The storage unit corresponds to the liquid pipeline, and the second heating unit has a maximum temperature rise when heating the water in the liquid pipeline; a control unit, signaled to connect the first heating unit and the second heating unit; and a second heating unit A temperature sensing unit, signal connected to the control unit, the first temperature sensing unit is arranged outside the storage unit, the first temperature sensing unit obtains an ambient temperature outside the storage unit; through the first temperature sensing The measuring unit obtains the ambient temperature, and the control unit compares the ambient temperature, the maximum elevated temperature and a set temperature; when the difference between the set temperature and the ambient temperature is greater than the maximum elevated temperature, the control unit controls the first heating The unit is activated to heat the water in the storage unit, or the control unit controls the activation of the first heating unit to heat the water in the storage unit, and controls the activation of the second heating unit to heat the water in the liquid pipeline, Make the temperature of an outlet water at the outlet reach the set temperature; when the difference between the set temperature and the ambient temperature is not greater than the maximum elevated temperature, the control unit controls the second heating unit to start to heat the liquid pipe Water, or, the control unit controls both the first heating unit and the second heating unit not to start, so that the outlet temperature of the water at the outlet reaches the set temperature.

Further, there is a flow sensing unit adjacent to the inlet of the liquid pipeline and corresponding to the liquid pipeline, and the flow sensing unit is signally connected to the control unit; when the water in the storage unit enters the liquid pipeline through the inlet, When a flow rate change of the liquid pipeline of the water obtained by the flow sensing unit is not zero, the control unit controls the first heating unit to turn off and the second heating unit to turn on.

Further, the liquid pipeline is divided into a plurality of heating sections between the inlet and the outlet, the second heating unit is a plurality of electric heating rods and is respectively accommodated in each heating section, and the control unit includes a plurality of control elements , And each control element is electrically connected to each electric heating rod.

Further, a second temperature sensing unit and a flow sensing unit are adjacent to the inlet of the liquid pipeline and correspond to the liquid pipeline, and the second temperature sensing unit and the flow sensing unit are both signally connected to the control unit When the water in the storage unit enters the liquid pipeline through the inlet, the second temperature sensing unit obtains an inlet temperature of the water entering the liquid pipeline, and the flow sensing unit obtains the water in the liquid pipeline According to the difference between the set temperature and the inlet water temperature, and the flow rate change, the control unit controls the heating power of each electric heating rod through the control element.

Wherein, the control element is a thyristor, and when the control unit separately controls the heating power of each electric heating rod through the control element, the heating power of each electric heating rod is between 0% and 100% of a maximum heating power When the heating power of all electric heating rods is 100% of the maximum heating power, it corresponds to the maximum temperature increase.

Further, a third temperature sensing unit is provided in the storage unit to obtain a water storage temperature in the storage unit, and the third temperature sensing unit is signally connected to the control unit; when the set temperature and the third temperature The difference of the water storage temperature acquired by the sensing unit is not greater than the maximum elevated temperature, and the control unit controls the first heating unit to turn off.

Further, a water level detection unit is provided in the storage unit, a water replenishment unit is connected to the storage unit, and the water level detection unit and the water replenishment unit are both signally connected to the control unit; when the water level detection unit detects the storage When the water level in the unit is lower than a threshold, the control unit controls the water replenishment unit to replenish water to the storage unit.

Wherein, the liquid pipeline is arranged below the storage unit, and the inlet is lower than the storage unit.

Among them, the sum of the ambient temperature and the set temperature is a fixed value.

Wherein, the first heating unit is an electric heating rod, and the control unit includes a relay electrically connected to the electric heating rod.

According to the above technical features, the following effects can be achieved:

1. The control unit controls whether the first heating unit and the second heating unit are activated according to the relationship between the ambient temperature, the set temperature and the maximum elevated temperature, which can better allow users in different seasons and different regions to use enough temperature Hot water.

2. After the liquid flows in the pipeline, the control unit will control the first heating unit to turn off and the second heating unit to turn on, so as to prevent the first heating unit and the second heating unit from starting at the same time, causing the current to exceed the tolerance of the building wiring. And then the accident of the power trip.

3. The liquid pipeline is divided into multiple heating sections, and each has its own corresponding electric heating rods. Multiple control elements can control whether each electric heating rod is activated, reducing unnecessary energy consumption.

4. In addition to controlling the activation of multiple heating rods, the control element can also adjust the heating power of each heating rod to further reduce unnecessary energy consumption while ensuring that the water can be accurately heated to the set temperature.

5. When the water level detection unit detects that the water level in the storage unit is lower than the threshold, the control unit will automatically control the water replenishment unit to replenish water to the storage unit to ensure sufficient water in the storage unit.

6. The liquid pipeline is arranged below the storage unit, and the inlet is lower than the storage unit, no additional water pumping equipment is needed to pump water into the liquid pipeline, saving energy.

7. The sum of the ambient temperature and the set temperature is a fixed value, and the control unit can automatically adjust the set temperature according to different seasons to meet the needs of users for water temperature in different seasons.

8. With the third temperature sensing unit, when the user is not using water, as long as the difference between the set temperature and the water storage temperature is not greater than the maximum elevated temperature, the control unit will control the first heating unit to turn off to avoid the first heating unit The turn-on time is too long.

1: control unit

11: Relay

12: Brake fluid

2: storage unit

3: The first electric heating rod

4: The first temperature sensing unit

5: Water level detection unit

6: Water replenishment unit

7: Control box

71: Liquid line

711: entrance

712: exit

713: heating section

72: The second electric heating rod

73: Flow sensor unit

74: The second temperature sensing unit

75: power terminal

76: protection unit

8: The third temperature sensing unit

A: Use water

[The first picture] is a three-dimensional appearance diagram of this creative embodiment.

[The second figure] is a partial exploded view of the control box of this creative embodiment.

[Third Figure] is a system block diagram of this creative embodiment.

[Fourth Figure] is the first flow diagram of this creative embodiment, showing that the first electric heating rod is controlled according to the relationship between the ambient temperature, the set temperature and the maximum elevated temperature.

[Fifth Figure] is the first implementation schematic diagram of this creative embodiment, indicating that the storage unit is filled with water for use.

[Figure 6] is the second implementation schematic diagram of this creative embodiment, showing that water is used to flow in the liquid pipeline.

[The seventh figure] is the second flow diagram of this creative embodiment, showing that the second electric heating rod is controlled according to the inlet water temperature, flow rate and set temperature.

[Figure 8] is the third flow diagram of the creative embodiment, indicating that when the water level of the used water is lower than the threshold, the water replenishment unit replenishes the water.

[Figure 9] is the third implementation schematic diagram of this creative embodiment, indicating that the water used in the storage unit is at a full water level.

[Figure 10] is the fourth schematic diagram of this creative embodiment, indicating that when the water level is lower than the threshold, the water replenishment unit replenishes water.

Based on the above technical features, the main effects of the intelligent electric heating device of this invention will be clearly presented in the following embodiments.

Please refer to the first to third figures, the smart electric heating device of this creative embodiment is disclosed, including: a control unit 1, a storage unit 2, a first heating unit, a first temperature sensing unit 4, and a water level The detection unit 5 and a water replenishment unit 6. In the preferred embodiment of this creation, there is also an independent control box 7 arranged below the storage unit 2. The control box 7 has a liquid pipeline 71 and a second Heating unit, a flow sensing unit 73 and a second temperature sensing unit 74. The control box 7 is provided with a power terminal 75 to connect to an external power source (not shown), and a protection unit 76 is electrically connected to the power terminal 75. When there is a leakage, excessive current, or high temperature in the control box 7, the power is cut off.

The storage unit 2 stores a use water A inside [the use water A please match the fifth figure]. In actual implementation, the storage unit 2 can be the water tank of a general water heater. Preferably, the storage unit 2 can be heat-preserving outside. Floor. The storage unit 2 is also provided with a third temperature sensing unit 8 to obtain a water storage temperature of the use water A in the storage unit 2.

The liquid pipeline 71 is disposed under the storage unit 2, and the liquid pipeline 71 has an inlet 711 connected to the storage unit 2 and an outlet 712 opposite to the inlet 711. The inlet 711 is lower than the storage unit 2, and the outlet 712 is connected to the user's water equipment, such as a faucet, a shower head, and the like. The inlet 711 and the outlet 712 of the liquid pipeline 71 are divided into a plurality of heating sections 713, and the heating sections 713 are parallel to each other.

The first heating unit is arranged in the storage unit 2. In the preferred embodiment of the present invention, the first heating unit is a first electric heating rod 3.

The second heating unit is arranged under the storage unit 2 and corresponds to the liquid pipeline 71. In the preferred embodiment of the present invention, the second heating unit is a plurality of second electric heating rods 72, and each second heating unit The electric heating rods 72 are respectively accommodated in the heating section 713.

The control unit 1 is signally connected to the first electric heating rod 3, the second electric heating rod 72, the flow sensing unit 73, the first temperature sensing unit 4, the second temperature sensing unit 74, and the water level detection Unit 5, the water supplement unit 6 and the third temperature sensing unit 8. In more detail, the control unit 1 includes a relay 11 and a plurality of thyristors 12, the relay 11 is electrically connected to the first electric heating rod 3, and the thyristor 12 is electrically connected to the second electric heating rod 72 respectively. The heating power of the second electric heating rod 72 is controlled.

When the thyristor 12 controls the heating power of each second electric heating rod 72 to heat the used water A in the liquid pipe 71, the heating power of each second electric heating rod 72 is within 0 of a maximum heating power. When the heating power of all the second electric heating rods 72 is 100% of the maximum heating power between% and 100%, a maximum elevated temperature of the water A should be used, such as 20 degrees Celsius.

The first temperature sensing unit 4 is disposed outside the storage unit 2, and the flow sensing unit 73 and the second temperature sensing unit 74 are adjacent to the inlet 711 of the liquid pipeline 71 and correspond to the liquid pipeline 71 . Preferably, the first temperature sensing unit 4 is arranged below the storage unit 2, and the flow sensing unit 73 and the second temperature sensing unit 74 are both arranged between the inlet 711 and the heating section 713 In addition, the flow sensing unit 73 is closer to the inlet 711 than the second temperature sensor 74 is.

The water level detection unit 5 is disposed inside the storage unit 2, and the water supplement unit 6 is connected to the storage unit 2. For example, the water replenishment unit 6 can be a solenoid valve for water, etc., which can be controlled by the control unit. A valve controlled by the unit 1 to block or allow the use water A to pass through. Preferably, the water supplement unit 6 can also have the function of a flow meter, such as a flow control valve.

Please refer to the third to fifth figures. When starting to use the smart electric heating device, the first temperature sensing unit 4 first obtains an ambient temperature outside the storage unit 2 and sends it to the control unit 1. The control unit 1 then compares the ambient temperature, the maximum elevated temperature and a set temperature, and if the difference between the set temperature and the ambient temperature is greater than the maximum elevated temperature, the control unit 1 controls the first electric heating rod 3 start up. The set temperature can be set by the user. Preferably, the sum of the set temperature and the ambient temperature is a fixed value, so that the control unit 1 can automatically adjust the set temperature according to different seasons, so as to satisfy the user’s exposure to water in different seasons. Wen's demand.

In an example, if the sum of the set temperature and the ambient temperature is 65 degrees Celsius, and the ambient temperature acquired by the first temperature sensing unit 4 is 10 degrees Celsius, the set temperature is 55 degrees Celsius. At this time, since the maximum elevated temperature is 20 degrees Celsius, and the difference between the set temperature and the ambient temperature is 45 degrees Celsius, which is greater than the maximum elevated temperature, the control unit 1 controls the first electric heating rod 3 to start to heat The used water A in the storage unit 2.

After the first electric heating rod 3 is activated to heat the used water A, the third temperature sensing unit 8 can continuously obtain the water storage temperature. When the difference between the set temperature and the water storage temperature acquired by the third temperature sensing unit 8 is not greater than the maximum elevated temperature, the control unit 1 controls the first electric heating rod 3 to turn off. By using the third temperature sensing unit 8 to obtain the water storage temperature, even if the user has not turned on the water equipment, the control unit 1 will still appropriately control the first electric heating rod 3 to turn off, avoiding the opening time of the first electric heating rod 3 If it takes too long, it will consume excess electricity. If the storage water temperature of the use water A in the storage unit 2 decreases again, so that the difference between the set temperature and the storage water temperature is greater than the maximum elevated temperature, the control unit 1 can control the first electric heating rod 3 again Start, but this scenario is not drawn in the diagram.

In another example, if the sum of the set temperature and the ambient temperature is 65 degrees Celsius, and the ambient temperature obtained by the first temperature sensing unit 4 is 25 degrees Celsius, the set temperature is 40 degrees Celsius. At this time, since the maximum elevated temperature is 20 degrees Celsius, and the difference between the set temperature and the ambient temperature is 15 degrees Celsius, which is not greater than the maximum elevated temperature, the control unit 1 does not control the activation of the first electric heating rod 3 .

In actual implementation, the control unit 1 controls whether the first electric heating rod 3 is activated at any time according to the ambient temperature, the maximum elevated temperature, and the set temperature. The control unit 1 can also set the time, for example, until 6 o'clock in the afternoon, the control unit 1 Then, according to the ambient temperature, the maximum elevated temperature and the set temperature, it is controlled whether the first electric heating rod 3 is activated.

Please refer to the fifth to seventh figures, and please match the third figure, and when the user turns on the water use equipment, the used water A in the storage unit 2 enters the liquid pipeline 71 through the inlet 711, and no additional pumping is required. The water equipment pumps the used water A into the liquid pipeline 71 to save energy.

At this time, when the flow sensing unit 73 obtains that a flow change of the water in the liquid pipe 71 is not zero, the control unit 1 first determines whether the first electric heating rod 3 is activated. If the first electric heating rod 3 has been activated, the control unit 1 first controls the first electric heating rod 3 to turn off; if the first electric heating rod 3 is not activated, the control unit 1 does not control the first electric heating rod 3 and maintains the The first heating rod 3 is turned off.

When the use water A continues to flow through the second temperature sensing unit 74, the second temperature sensing unit 74 obtains an inlet water temperature of the use water A and sends it to the control unit 1. The control unit 1 then controls the heating power of each second electric heating rod 72 via the thyristor 12 according to the difference between the set temperature and the inlet water temperature, and the flow rate change.

Since the liquid pipeline 71 is divided into a plurality of the heating sections 713, and each of the second electric heating rods 72 is corresponding to each other, the thyristor fluid 12 can control whether each second electric heating rod 72 is activated, and After starting, how much heating power is needed to reduce unnecessary energy consumption, and at the same time to ensure that the used water A can be accurately heated to the set temperature.

When the set temperature is equal to the inlet water temperature, or even if the inlet water temperature is higher than the set temperature, the control unit 1 through the thyristor 12 respectively controls the heating power of each second electric heating rod 72 to be the same. 0% of the maximum heating power, that is, the second electric heating rod 72 is not activated.

After being heated by the second electric heating rod 72, or when the set temperature is equal to or lower than the inlet water temperature and not being heated by the second electric heating rod 72, the used water A continues to flow to the outlet 712 As soon as the temperature of the outlet water reaches the set temperature.

The control unit 1 first turns off the first electric heating rod 3 and then turns on the second electric heating rod 72, which can prevent the first electric heating rod 3 and the second electric heating rod 72 from starting at the same time, causing the current to exceed the tolerance of the building wiring , And then the accident of power trip.

Please refer to the eighth to tenth figures, and please match the third figure. After the use water A flows from the outlet 712 to the user's water equipment for use by the user, the water level in the storage unit 2 will gradually drop. When the water level detection unit 5 detects that the water level in the storage unit 2 is lower than a threshold, the control unit 1 controls the water replenishing unit 6 to replenish the storage unit 2 with the used water A.

For example, suppose that the storage unit 2 has a full water level of 500 cm high in the use water A under a full water level state [Figure 9], and the threshold is set to 90% of the full water level, then when the When the water level detection unit 5 detects that the water level in the storage unit 2 is lower than 450 cm high, the water level detection unit 5 is triggered, and the control unit 1 controls the water replenishment unit 6 to replenish the storage unit 2 The use water A ensures that the amount of the use water A in the storage unit 2 is sufficient.

When the water replenishment unit 6 has a flow meter function, the control unit 1 can also calculate the change in the water temperature in the storage unit 2 according to the amount of water replenished by the water replenishment unit 6 and the ambient temperature. It is controlled whether the first electric heating rod 3 is to be activated, so as to maintain the water temperature in the storage unit 2 when a large amount of ice-cold water A is filled in the storage unit 2.

Please refer to the first to third figures again. Since the ambient temperature may affect the heating efficiency, even if the corresponding heating power is provided when the water temperature is known, the desired temperature may not be heated. Therefore, the smart electric heating device of the present invention decides in advance whether to preheat the used water A in the storage unit 2 according to the relatively stable ambient temperature, and adjusts the heating power of the second electric heating rod 72 to ensure the outlet water temperature Reaching the set temperature can better allow users in different seasons and regions to use hot water of sufficient temperature.

Based on the description of the above-mentioned embodiments, when we can fully understand the operation, use and effects of this creation, but the above-mentioned embodiments are only the preferred embodiments of this creation, and the implementation of this creation cannot be limited by this. The scope, that is, simple equivalent changes and modifications made according to the scope of the patent application for this creation and the content of the creation description, are all within the scope of this creation.

2: storage unit

3: The first electric heating rod

5: Water level detection unit

6: Water replenishment unit

7: Control box

711: entrance

712: exit

75: power terminal

Claims (10)

An intelligent electric heating device, comprising: a storage unit in which water is stored; a first heating unit arranged in the storage unit; a liquid pipeline adjacent to the storage unit, the liquid pipeline having an inlet connected to the storage unit Unit, and an outlet opposite to the inlet; a second heating unit, adjacent to the storage unit and corresponding to the liquid pipeline, the second heating unit has a maximum temperature rise when heating the water in the liquid pipeline; a control Unit, the signal is connected to the first heating unit and the second heating unit; and a first temperature sensing unit, the signal is connected to the control unit, the first temperature sensing unit is arranged outside the storage unit, the first temperature sensing Measuring unit and acquiring an ambient temperature outside the storage unit; acquiring the ambient temperature through the first temperature sensing unit, the control unit then comparing the ambient temperature, the maximum elevated temperature and a set temperature; when the set temperature and the The difference in ambient temperature is greater than the maximum elevated temperature, the control unit controls the first heating unit to start to heat the water in the storage unit, or the control unit controls the first heating unit to start to heat the water in the storage unit , And controlling the second heating unit to start to heat the water in the liquid pipeline so that the outlet temperature of the water at the outlet reaches the set temperature; when the difference between the set temperature and the ambient temperature is not greater than the maximum elevated temperature , The control unit controls the second heating unit to start to heat the water in the liquid pipeline, or the control unit controls the first heating unit and the second heating unit to not start, so that the water is discharged from the outlet The temperature reaches the set temperature. For example, the intelligent electric heating device of claim 1, further, there is a flow sensing unit adjacent to the inlet of the liquid pipeline and corresponding to the liquid pipeline, and the flow sensing unit signal is connected to the control unit; Water enters the liquid pipeline through the inlet, so that the flow sensing unit obtains that when a flow rate change of the liquid pipeline is not zero, the control unit controls the first heating unit to turn off and the second heating unit to turn on. Such as the intelligent electric heating device of claim 1, further, the liquid pipeline is divided into a plurality of heating sections between the inlet and the outlet, and the second heating unit is a plurality of electric heating rods and is respectively accommodated in each heating section Inside, the control unit includes a plurality of control elements, and each control element is electrically connected to each electric heating rod. For example, the smart electric heating device of claim 3, further, a second temperature sensing unit and a flow sensing unit are adjacent to the inlet of the liquid pipeline and correspond to the liquid pipeline, the second temperature sensing unit and the The flow sensing unit is signally connected to the control unit; when the water in the storage unit enters the liquid pipeline through the inlet, the second temperature sensing unit obtains an inlet temperature of the water entering the liquid pipeline, and the flow rate The sensing unit obtains a flow rate change of the water in the liquid pipeline, and the control unit controls the heating of each electric heating rod through the control element according to the difference between the set temperature and the inlet water temperature, and the flow rate change. power. Such as the smart electric heating device of claim 4, wherein the control element is a thyristor, and when the control unit controls the heating power of each electric heating rod through the control element, the heating power of each electric heating rod is between When a maximum heating power is between 0% and 100%, and the heating power of all electric heating rods is 100% of the maximum heating power, it corresponds to the maximum temperature increase. For example, the smart electric heating device of claim 1, further, a third temperature sensing unit is provided in the storage unit to obtain a water storage temperature in the storage unit, and the third temperature sensing unit The signal is connected to the control unit; when the difference between the set temperature and the water storage temperature acquired by the third temperature sensing unit is not greater than the maximum elevated temperature, the control unit controls the first heating unit to turn off. For example, the intelligent electric heating device of claim 1, further, a water level detection unit is provided in the storage unit, a water replenishment unit is connected to the storage unit, and both the water level detection unit and the water replenishment unit are signaled to the control unit; When the water level detection unit detects that the water level in the storage unit is lower than a threshold, the control unit controls the water replenishment unit to replenish water for the storage unit. Such as the smart electric heating device of claim 1, wherein the liquid pipeline is arranged below the storage unit, and the inlet is lower than the storage unit. Such as the smart electric heating device of claim 1, wherein the sum of the ambient temperature and the set temperature is a fixed value. For example, the intelligent electric heating device of claim 1, wherein the first heating unit is an electric heating rod, and the control unit includes a relay electrically connected to the electric heating rod.

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