CN204313469U - A kind of quick electromagnetic eddy-current heating water heater - Google Patents

Abstract

The utility model relates to a water heater, in particular discloses a fast electromagnetic induction heating water heater, which comprises a water storage tank, a heating copper pipe, a high temperature resistant ceramic bracket, a heat insulation layer, an electromagnetic coil, a frequency conversion controller and a temperature sensor. There are water inlet and outlet holes inside the heating copper tube, which is characterized in that: the water passes through the through holes inside the heating copper tube to exchange heat back and forth, and the contact area between the unit volume of water and the heating copper tube is greatly increased, so that the temperature can be quickly Rising; the electromagnetic induction coil is wound on the high temperature resistant ceramic support with heat insulation layer and connected with the frequency conversion controller. The utility model has high thermal conversion rate, fast water heating speed, compact structure, long service life, safety and environmental protection, and is suitable for wide popularization and application.

Description

A Fast Electromagnetic Induction Heating Water Heater

technical field

The utility model relates to the technical field of heating by electromagnetic induction, in particular to an electromagnetic induction heating water heater which can quickly achieve the purpose of heating and provide hot water in real time.

Background technique

The water heater device heated by electric heating bodies such as resistance wire heating tubes or ceramic heating rods not only has low heating efficiency, but also is easy to damage and cause safety hazards such as electric leakage. Electromagnetic induction heating technology has the advantages of low energy consumption, high thermal efficiency, fast temperature rise, and high temperature control accuracy, and is now widely used in electric heating water heaters.

Some electromagnetic heating water heaters need to wait for a period of time to use hot water like traditional resistance wire heating water heaters. For example, the patent number is 201320019825.9, and the invention name is a Chinese utility model patent for electromagnetic induction heating water heaters. The water outlet is at one end of the thermal insulation water tank. Therefore to use hot water must wait for the water in the whole water tank to reach the required water temperature before use.

The patent number is 200620083771.2, and the name of the invention is a new patent for the use of electromagnetic heater in China. The electromagnetic coil is designed inside the heating body. The temperature of the heating coil will increase greatly, and its impedance will increase accordingly. Therefore, the loss of the coil itself is relatively large. ; In addition, an I-shaped ferrite magnetic rod layer is added to the energy transfer link, so its energy utilization rate is reduced.

At present, the heating speed of electromagnetic induction heating water heaters is too slow or the energy utilization rate is too low. Therefore, it is necessary to provide a safe and reliable electromagnetic induction heating that can quickly achieve the heating purpose and provide hot water in real time, and has a high energy utilization rate. A water heater is very necessary.

Contents of the invention

The utility model aims to provide an electromagnetic induction heating water heater capable of quickly achieving the heating purpose and providing hot water in real time. The energy conversion process of the utility model is simple and direct, and has a relatively high heat conversion rate.

The utility model is realized through the following technical solutions: a fast electromagnetic induction heating water heater, including a water storage tank, a heating copper pipe, an electromagnetic coil, a heat insulation layer, a high temperature resistant pottery support, a heating copper pipe temperature detection sensor, and a water outlet temperature detection sensor. It is characterized in that: the heating copper pipe has water inlet and outlet holes inside, and is fixed with the groove channel on the side of the water storage tank; the electromagnetic coil is wound and fixed on the high temperature resistant ceramic bracket with heat insulation layer, and It is connected with the frequency conversion controller; one end of the high-temperature-resistant ceramic bracket is fixed on the side of the water storage tank, and coincides with the axis of the heating copper pipe, and the other end is sealed by the end cover; the temperature detection sensor of the outlet water and the temperature detection sensor of the heating copper pipe are installed in the The position in the water outlet pipe and the top of the heating copper pipe is connected with the frequency conversion controller.

The utility model has compact structure, simple and direct energy conversion, and the frequency conversion controller uses a low-power high-frequency single-phase frequency conversion power supply controller, so that the electromagnetic coil can match the impedance of the heating copper tube, and has a high heat conversion rate, and The conversion speed is fast, which can achieve the purpose of rapid heating and real-time supply of hot water.

All the joints installed inside the utility model have high temperature resistant sealing gaskets to prevent leakage.

The heating copper pipe of the utility model has a heating copper pipe water inlet through hole and a heating copper pipe water outlet through hole inside, and the heat exchange area between the water flowing through the heating copper pipe inlet and outlet through holes and the heating copper pipe is greatly increased, thus improving the water quality. The heating speed; while the water flowing in and out of the through hole through the heated copper tube flows quickly, and it is not easy to deposit and generate scale, which reduces the blockage of the through hole and the groove.

The utility model has two temperature sensors, the water outlet temperature detection sensor is installed inside the water outlet pipe and connected with the frequency conversion controller to detect the water outlet temperature, which can be automatically controlled by the difference between the detected temperature and the preset temperature. The current size of the coil; the heating copper tube temperature detection sensor is installed on the top of the heating copper tube and connected with the frequency conversion controller to monitor the temperature at the top of the heating copper tube to prevent the heating copper tube from overheating and dry burning.

The more optimal scheme of the present utility model is:

The outlet pipe is equipped with a pipe throttle valve and is connected with a frequency conversion controller. The outlet water temperature sensor in the water outlet pipe detects water temperature data and automatically adjusts the opening size of the pipe throttle valve to realize automatic control of the system.

The remarkable effect of implementing the utility model is that it can provide a safe and reliable electromagnetic induction heating water heater that can quickly achieve the purpose of heating and provide hot water in real time, and has a high energy utilization rate, and has a certain automatic control function.

The utility model will be further described below in conjunction with the accompanying drawings and embodiments.

Description of drawings:

Fig. 1 is a schematic diagram of the external structure of the electromagnetic induction heating water heater of the present invention;

Fig. 2 is a ladder sectional view of the main body of the electromagnetic induction heating water heater of the present invention;

Fig. 3 is the structural schematic diagram of the water storage tank of the electromagnetic induction heating water heater of the present invention;

Fig. 4 is a structural schematic diagram of the copper pipe heated by the electromagnetic induction heating water heater of the present invention;

Fig. 5 is a structural schematic diagram of the water outlet pipeline of the electromagnetic induction heating water heater of the present invention.

In the figure, 1 water storage tank, 2 water inlet, 3 shell, 4 safety valve, 5 end cover, 6 outlet pipe, 7 frequency conversion controller, 8 electromagnetic coil, 9 heating copper pipe, 10 heat insulation layer, 11 outlet water temperature detection Sensor, 12 high temperature resistant ceramic bracket, 13 heating copper pipe temperature detection sensor, 14 groove channel, 15 water storage tank channel, 16 heating copper pipe water inlet hole, 17 heating copper pipe outlet water hole, 18 pipe throttle valve .

Detailed ways

Embodiment 1: The accompanying drawing is a specific implementation case of the present utility model. As can be seen from FIG. 1 , its main body is composed of a water storage tank, a heating part, and a frequency conversion controller.

It can be seen from Figure 3 that there is a water inlet (1) on the top of the water storage tank, one end face is closed, and the lower part of the other end face has a water storage tank channel (15) and a groove channel (14) in the middle, which is used to connect the heating copper pipe to the water inlet. The water through hole (16) and the heating copper pipe outlet water through hole (17) have threaded holes on the edge for fixedly connecting the heating copper pipe (9) and the high temperature resistant ceramic support (12). The main purpose of the water storage tank is to stabilize the water pressure and reduce the degree of turbulence at the water inlet, so that the subsequent heating can be carried out smoothly, quickly and evenly.

It can be seen from Figures 2, 4, and 5 that the heating part mainly includes electromagnetic coils (8) and heating copper pipes (9), and the electromagnetic coils (8) are wound and fixed on the high-temperature-resistant ceramic support (12 ), the outermost layer is covered with a casing (3) to protect the electromagnetic coil; the heating copper tube (9) is made of a solid cylindrical solid copper material, and its interior is processed with a heating copper tube water inlet hole (16) and a heating copper tube The water outlet through hole (17), the outlet pipe (6) and the heating copper pipe outlet through hole (17) are threadedly connected to lead out hot water; the outlet water temperature detection sensor (11) and the pipe throttle valve ( 18), if the temperature detected by the outlet water temperature detection sensor (11) is lower than the preset temperature, then the frequency conversion controller (7) can control the increase of current and automatically adjust the contraction of the pipe throttle valve (18) to make the flow rate smaller , increase the heating time of the water to reach the preset temperature and keep it stable, and vice versa; the heating copper pipe temperature detection sensor (13) is installed on the top of the heating copper pipe to monitor the temperature at the top of the heating copper pipe, if the detected temperature rises to A certain critical value, then the frequency conversion controller (7) is just power-off protection, to prevent unexpected situations such as overheating of heating copper tube and dry burning.

The variable frequency controller uses a low-power high-frequency single-phase variable-frequency power supply controller, which should make the electromagnetic coil (8) match the impedance of the heating copper tube (9), have a high heat conversion rate, and the conversion speed is fast, and can To achieve the purpose of rapid heating and real-time hot water supply.

Embodiment 2: On the basis of Embodiment 1, components such as the water storage tank (1), the pipe throttle valve (18), the heating copper pipe temperature detection sensor (13), the outlet water temperature detection sensor (11) and other components are removed, and other structures No change, constitute a simple fast electromagnetic induction heating water heater, its working process is: cold water directly enters between the outer surface of the heating copper tube and the inner wall of the high-temperature-resistant ceramic, and then enters the water inlet through hole (16) of the heating copper tube, and is formed by the groove The passage flows out hot water through the water outlet through hole (17) of the heating copper pipe and the water outlet pipe (6). Its structure is simpler and more compact, and its installation and maintenance are more convenient. Except for a lower degree of automation control, its heating speed is basically the same as that of Embodiment 1.

Claims (4)

1. A fast electromagnetic induction heating water heater, including water storage tank (1), heating copper pipe (9), electromagnetic coil (8), heat insulation layer (10), high temperature resistant ceramic bracket (12), heating copper pipe temperature The detection sensor (13), the outlet water temperature detection sensor (11), is characterized in that: the heating copper pipe (9) has through holes regularly distributed inside, and is matched and fixed with the groove channel (14) on the side of the water storage tank ;The electromagnetic coil (8) is wound and fixed on the high temperature resistant ceramic bracket (12) with heat insulation layer (10), and is connected with the frequency conversion controller (7); the high temperature resistant ceramic bracket (12) is fixed on the water storage The side of the tank coincides with the axis of the heating copper pipe, and the other end is sealed by the end cover (5); the outlet water temperature detection sensor (11) and the hot copper pipe temperature detection sensor (13) are respectively installed in the water outlet pipe (6) and heated The top position of the copper pipe (9) is connected with the frequency conversion controller (7). 2. A fast electromagnetic induction heating water heater according to claim 1, characterized in that: the heating copper pipe (9) has a heating copper pipe water inlet through hole (16) and a heating copper pipe water outlet through hole (17). 3. A fast electromagnetic induction heating water heater according to claim 1, characterized in that: the water outlet pipe (6) connected to the water outlet through hole (17) of the heating copper pipe is equipped with an outlet water temperature detection sensor (11), and It is connected with the frequency conversion controller (7); the heating copper pipe temperature detection sensor (13) is installed on the top of the heating copper pipe (9), and is connected with the frequency conversion controller (7). 4. A fast electromagnetic induction heating water heater according to claim 1, characterized in that: the outlet pipe (6) is equipped with a pipe-type throttle valve (18).