CN210892194U - Water-saving water heater based on temperature is adjustable - Google Patents

Abstract

The utility model discloses a water-saving water heater based on temperature adjustment, comprising a water heater body, a water inlet and a water outlet are arranged at the lower end of the water heater body, and both the water inlet and the water outlet are connected with water supply pipes, which is characterized in that : A control valve is installed at the connection between the water heater body and the water supply pipeline, a control panel is installed outside the water heater body, a temperature sensor and a heating wire are installed at the lower end of the water heater body, and a water level detection device is installed above the heating wire, The control valve, the temperature sensor, the heating wire and the water level detection device are all electrically connected to the control panel, and the water heater body is also provided with a scale cleaning box.

Description

A water-saving water heater based on adjustable temperature

technical field

The utility model belongs to the technical field of information and automatic control, in particular to a water-saving water heater based on temperature adjustment.

Background technique

The water heater is an indispensable device in the field of industrial applications and household electrical appliances. The traditional water heater uses two adjustment switches for cold water and hot water to achieve the desired water temperature by adjusting the angle. However, this adjustment method is difficult to control, and in actual use It is difficult to adjust to the desired water temperature, and water is inevitably wasted during the adjustment process.

Utility model content

The technical problem to be solved by the utility model is to provide a water-saving water heater based on temperature adjustment, aiming at the above-mentioned deficiencies of the prior art.

In order to realize the above-mentioned technical purpose, the technical scheme adopted by the present utility model is:

A water-saving water heater based on temperature adjustment, comprising a water heater body, a water inlet and a water outlet are provided at the lower end of the water heater body, and both the water inlet and the water outlet are connected with water supply pipes, characterized in that: the water heater body A control valve is installed at the connection with the water supply pipeline, a control panel is installed outside the water heater body, a temperature sensor and a heating wire are installed at the lower end of the water heater body, a water level detection device is installed above the heating wire, and the control valve, The temperature sensor, the heating wire and the water level detection device are all electrically connected to the control panel, and a scale cleaning box is also installed on the water heater body.

In order to optimize the above technical solutions, the specific measures taken also include:

In the above-mentioned infrared sensor, the infrared sensor is installed outside the water heater body, and the infrared sensor is connected to the control panel by signal, which can control the opening and closing of the control valve of the water outlet.

The above infrared sensor model is KDS209.

The above-mentioned water level detection device is an ultrasonic range finder, which is installed on the inner top of the water heater body and can control the opening and closing of the control valve of the water inlet (1-1).

The model of the above ultrasonic rangefinder is HC-SR04.

The above-mentioned water level detection device is a capacitive electrode plate and a capacitive sensor, the capacitive electrode plate is symmetrically installed on the inner two side walls of the water heater body, the capacitive sensor is installed on the capacitive electrode plate, and the capacitive sensor is signal-connected to the control panel, A control valve that controls the opening and closing of the water inlet.

The above capacitive sensor model is FDC2213.

The above-mentioned scale cleaning box is connected with the water heater body through a first regulating valve. The scale cleaning box is provided with a detachable box cover, and the box cover is connected with the water supply pipe of the water inlet. Inside the box is placed a food-grade water lemon DSD descaling agent.

The above temperature sensor model is DS18B20.

The above control panel model is STM32.

The beneficial effects of the present utility model:

The utility model is a water-saving water heater based on temperature adjustment. By arranging a water level detection device and a temperature sensor inside the water heater body, and an infrared sensor etc. arranged outside the water heater body, the water volume can be set according to needs, and at the same time The cold water is heated to the set temperature to achieve the purpose of saving water and controlling the water temperature. At the same time, the infrared sensor can sense abnormal situations such as fainting of the person in the shower, and close the water outlet in time.

Description of drawings

Fig. 1 is the front structure schematic diagram of the present utility model;

Fig. 2 is the internal structure schematic diagram of the present utility model;

3 is a schematic diagram of the dirt cleaning device of the present invention;

Fig. 4 is the working flow chart of the present utility model.

Reference numerals are: water heater body 1, water inlet 1-1, water outlet 1-2, control panel 2, temperature sensor 3 and heating wire 4, scale cleaning box 5, infrared sensor 6, ultrasonic distance meter 7, capacitor Plate 8 , capacitive sensor 9 , first regulating valve 10 , second regulating valve 11 , descaling agent 12 .

Detailed ways

The embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

As shown in FIG. 1 , the present invention is a water-saving water heater based on temperature adjustment, comprising a water heater body 1, and a water inlet 1-1 and a water outlet 1-2 are provided at the lower end of the water heater body 1. The water outlet 1-1 and the water outlet 1-2 are both connected with a water supply pipeline, a control valve is installed at the connection between the water heater body 1 and the water supply pipeline, a control panel 2 is installed outside the water heater body 1, and the inner lower end of the water heater body 1 is installed A temperature sensor 3 and a heating wire 4 are installed, and a water level detection device is installed above the heating wire 4. The control valve, the temperature sensor 3, the heating wire 4 and the water level detection device are all electrically connected to the control panel 2. The water heater body 1 A limescale cleaning cartridge 5 is also installed.

In the embodiment, the infrared sensor 6 is installed outside the water heater body 1, and the infrared sensor 6 is connected to the control panel 2 by signal, and can control the opening and closing of the control valve of the water outlet 1-2.

In the embodiment, the model of the infrared sensor 6 is KDS209.

In the embodiment, the water level detection device is an ultrasonic range finder 7, which is installed on the inner top of the water heater body 1 and can control the opening and closing of the control valve of the water inlet 1-1.

In the embodiment, the model of the ultrasonic range finder 7 is HC-SR04.

In the embodiment, the water level detection device is a capacitive electrode plate 8 and a capacitive sensor 9, the capacitive electrode plate 8 is symmetrically installed on the inner two side walls of the water heater body 1, the capacitive sensor 9 is installed on the capacitive electrode plate 8, the The capacitive sensor 8 is connected to the control panel 2 by signal, and can control the opening and closing of the control valve of the water inlet 1-1.

In the embodiment, the model of the capacitive sensor 9 is FDC2213.

In the embodiment, the scale cleaning box 5 is connected with the water heater body 1 through the first regulating valve 10. The scale cleaning box 5 is provided with a detachable box cover. There is a second regulating valve 11 , and a food grade water lemon DSD descaling agent 12 is placed inside the scale cleaning box 5 .

In the embodiment, the model of the temperature sensor 3 is DS18B20.

In the embodiment, the model of the control panel 2 is STM32.

The use method of the present utility model is as follows:

When using, first set the required water consumption and required water temperature through the control panel 2, and then the control panel 2 controls the water inlet 1-1 to open the water supply pipe control valve, and the ultrasonic distance meter 7 at the top of the water heater body 1 detects the height of the water level. Judging the amount of water, when the water amount reaches the set value, the control panel 2 controls the control valve of the water inlet 1-1 to stop water supply, and the control panel 2 controls the heating wire 4 to heat, when the temperature sensor 3 detects that the water temperature reaches the set value. , stop heating.

The infrared sensor 6 outside the water heater body 1 is used to sense whether a person falls and other abnormal conditions. When an abnormal condition occurs, the control panel 2 controls the control valve of the water outlet to stop water supply to prevent accidents.

When it is necessary to clean the scale inside the water heater body 1, the first regulating valve 10 and the second regulating valve 11 are opened, and the descaling agent enters the water heater body 1 under the drive of the water flow, and is discharged from the water outlet 1-2 after circulating to remove the scale. .

At the same time, the above-mentioned ultrasonic range finder 7 can be replaced with a capacitive electrode plate 8 and a capacitive sensor 9 , the change of the water level is detected by the capacitive electrode plate 8 , and then the capacitive sensor 9 transmits the signal to the control panel 2 .

The above are only the preferred embodiments of the present utility model, and the protection scope of the present utility model is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present utility model belong to the protection scope of the present utility model. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the present invention should be regarded as the protection scope of the present invention.

Claims (10)

1. A water-saving water heater based on temperature adjustment, comprising a water heater body (1), and a water inlet (1-1) and a water outlet (1-2) are provided at the lower end of the water heater body (1), and the water inlet (1-2) is provided. The water outlet (1-1) and the water outlet (1-2) are both connected with water supply pipes, characterized in that: a control valve is installed at the connection between the water heater body (1) and the water supply pipe, and the water heater body (1) is installed externally There is a control panel (2), a temperature sensor (3) and a heating wire (4) are installed at the inner lower end of the water heater body (1), a water level detection device is installed above the heating wire (4), the control valve, the temperature The sensor (3), the heating wire (4) and the water level detection device are all electrically connected to the control panel (2), and the water heater body (1) is further provided with a scale cleaning box (5). 2. A water-saving water heater based on temperature adjustment according to claim 1, characterized in that it further comprises an infrared sensor (6), and the infrared sensor (6) is installed outside the water heater body (1) , the infrared sensor (6) is signal-connected with the control panel (2), and can control the opening and closing of the control valve of the water outlet (1-2). 3. A water-saving water heater based on adjustable temperature according to claim 2, characterized in that: the infrared sensor (6) model is KDS209. 4. A water-saving water heater based on adjustable temperature according to claim 1, characterized in that: the water level detection device is an ultrasonic range finder (7), and the ultrasonic range finder (7) is installed on the water heater The inner top of the body (1) can control the opening and closing of the control valve of the water inlet (1-1). 5. A water-saving water heater based on adjustable temperature according to claim 4, characterized in that: the model of the ultrasonic range finder (7) is HC-SR04. 6. A water-saving water heater based on adjustable temperature according to claim 1, characterized in that: the water level detection device is a capacitive electrode plate (8) and a capacitive sensor (9), and the capacitive electrode plate ( 8) Symmetrically mounted on the inner two side walls of the water heater body (1), the capacitive sensor (9) is mounted on the capacitive electrode plate (8), and the capacitive sensor (9) is signal-connected to the control panel (2), and can be Control the opening and closing of the control valve of the water inlet (1-1). 7 . The water-saving water heater based on temperature adjustment according to claim 6 , wherein the capacitive sensor ( 9 ) has a model of FDC2213. 8 . 8. A water-saving water heater based on adjustable temperature according to claim 1, characterized in that: the scale cleaning box (5) is connected with the water heater body (1) through a first regulating valve (10), the The scale cleaning box (5) is provided with a detachable box cover, the box cover is connected to the water supply pipeline of the water inlet (1-1), and a second regulating valve (11) is installed at the connection. The scale cleaning box (5) A food grade water lemon DSD descaling agent (12) is placed inside. 9 . A water-saving water heater based on temperature adjustment according to claim 1 , wherein the temperature sensor ( 3 ) is a model DS18B20. 10 . 10. A water-saving water heater based on temperature adjustment according to claim 1, characterized in that: the control panel (2) model is STM32.

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