Instant type drinking water heating device and magnetic control protection method thereof

A heating device and drinking water technology, applied in water heaters, fluid heaters, lighting and heating equipment, etc., can solve the problems of water shortage monitoring information lagging, outlet water temperature does not meet the set requirements, etc., and achieve water shortage monitoring information accurate effect

Inactive Publication Date: 2013-03-06

FOSHAN FOUR SEASONS TEA SET CO LTD

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AI-Extracted Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the disadvantages of the above-mentioned prior art that the water outlet temperature does not meet the set requirements due to the unreasonable setting position of the water shortage protection, and the ...

Abstract

The invention discloses an instant type drinking water heating device, comprising a pipeline heater, a balanced water tank and a water pump, wherein a water inlet is arranged on the pipeline heater, the water inlet is connected with one end of the balanced water tank, and the drain port of the water pump is connected with the other end of the balanced water tank through a drainage pipeline. The instant type drinking water heating device is characterized in that a movable magnetic control part is arranged in the drainage pipeline, a corresponding magnetic control switch is mounted aside the position of the drainage pipeline, close to the moving range of the magnetic control part, and the magnetic control switch is electrically connected with the pipeline heater. According to the instant type drinking water heating device, the magnetic control part is arranged on the drainage pipeline, and the magnetic control switch is arranged aside the position of the drainage pipeline, close to the moving range of the magnetic control part, corresponding to the magnetic control part, so that the magnetic control part and the magnetic control switch together constitute a water shortage protection device used for monitoring the drainage state of the water pump, the outlet water temperature is guaranteed to meet the set requirement, and the water shortage monitoring information is accurate and timely.

Application Domain

Water heaters

Technology Topic

EngineeringControl switch +3

Image

Examples

Experimental program(2)

Example Embodiment

[0025] Example one: such as figure 1 As shown, the instant drinking water heating device includes a pipe heater 1, a balance water tank 2 and a water pump 3. The pipe heater 1 is provided with a water inlet, the water inlet is connected to one end of the balance water tank 2, and the outlet of the water pump 3 passes through the drain pipe 4 Connected to the other end of the balance water tank 2, characterized in that a movable magnetic control 5 is arranged in the drainage pipe 4, and a corresponding magnetic control switch 6 is installed next to the drainage pipe 4 near the movement range of the magnetic control 5. The control switch 6 is electrically connected to the pipeline heater 1.

[0026] see figure 2 As shown, the drainage pipe 4 is provided with a limit interval 41, the magnetic control 5 moves with the water flow in the limit interval 41, and the magnetic control switch 6 is installed near the position of the limit interval 41 of the drainage pipe.

[0027] The limit interval 41 is a vertical pipe section. The magnetic control 5 is moved away from the magnetic control switch 6 by the water pump drainage power or water buoyancy. The water pump drainage stops or the water level drops to reset the magnetic control 5 close to the magnetic control switch 6, thereby cutting off the pipeline heater 1 Power supply.

[0028] Among them, the above-mentioned magnetic switch 6 is a reed switch, which is electrically connected to the pipe heater 1, and the magnetic control 5 is a magnetic block; among them, to prevent the magnetic block from affecting the sanitation and taste of drinking water, it can be placed outside the magnetic block. Wrap a layer of food grade plastic; in order to facilitate the floating of the magnetic block, the plastic layer can be filled with foam material.

[0029] Working principle: Start the water pump 3, the magnetic control 5 is in the limit interval 41, and move up by the water pump drainage power or water buoyancy to move up and away from the magnetic control switch 6 below. At this time, the pipeline heater 1 is energized to heat; if the water pump 3 drains Stop or drop in the water level causes the magnetic control 5 to sink and reset close to the magnetic control switch 6, thereby cutting off the power supply of the pipe heater 1 to prevent dry heating due to lack of water.

Example Embodiment

[0030] Embodiment two: such as image 3 As shown, the implementation is similar to the first embodiment, except that: the limit interval 41 is a horizontal pipe section, the magnetic control 5 is also connected to a reset tension spring 7, and the other end of the reset tension spring 7 is connected to the tube wall , The magnetic control 5 relies on the water pump drainage power to overcome the reset tension spring force and move away from the magnetic control switch 6, the water pump drainage stops and the reset tension spring 7 resets the magnetic control 5 close to the magnetic control switch 6, thereby cutting off the power supply of the pipeline heater 1.

[0031] Wherein, the magnetic control switch 6 is a micro switch, the micro switch is electrically connected to the pipe heater 1, and the action reed of the micro switch is provided with a fixed magnetic block 61, and the magnetic control 5 is a movable magnetic block. The magnetic force between the block and the fixed magnetic block 61 causes the micro switch to operate.

[0032] In addition, such as Figure 4 As shown, a limit 42 may be provided in the drainage pipe 4, a tapered hole 422 is opened on the limit 42, and a tapered piston 51 is provided on the wall surface of the magnetic control 5 corresponding to the tapered hole 422; the magnetic control 5 is connected to one The reset extension spring 7 is connected to the limit 42 at the other end of the reset extension spring 7.

[0033] The instantaneous drinking water heating device with the above structure, its magnetic control protection method is: start the water pump 3, the magnetic control 5 is moved away from the magnetic control switch 6 by the water pump drainage power or water buoyancy, the water pump drainage stops or the water level drops to reset the magnetic control 5 close to The magnetic control switch 6 cuts off the power of the pipe heater 1.

[0034] The drainage power or water buoyancy of the water pump 3 overcomes the pulling force of the reset tension spring 7 of the magnetic control 5 to make the magnetic control 5 far away from the magnetic control switch 6.

PUM

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