CN2143465Y - Electromagnetic hot water shower - Google Patents

Abstract

The utility model discloses an electromagnetic hot water shower, which is designed according to the power frequency AC electromagnetic eddy current heating principle. The utility model has the structure that a magnetic loop is composed of an iron water flowing pipe of which the middle part is flowed with water and an electromagnetic coil. When alternating current passes the coil curl, the water flowing pipe can generate alternating magnetic field, and thus strong eddy current is generated in the pipe to change the magnetic energy into heat energy; then the water which passes through the water flowing pipe is heated. The utility model is also provided with a water break protection and temperature automatic control device, and a power transition switch can change the power conveniently according to operation requirements of users. The utility model has the advantages of simple structure, fast heating, high thermal efficiency and safety.

Description

Electromagnetic hot water shower

The utility model relates to electromagnetic induction water heater.

Existing instant shower heater of all kinds can return to be divided into electric heating class and combustion gas class, for the shower of electric heating class, indirectly water is heated, the thermal efficiency is low, directly to the water heating, promptly introduces two electrodes in water, with water is heater, though thermal efficiency height is easy to make water charged, in case quality problems appear in heating, make whole shower water all have forceful electric power, the life of human body is threatened.For the combustion gas class, as coal, liquefaction vapour and so on, the installation place must possess good circulation of air condition, can not be installed in the bathroom, because of fuel gas buring can consume a large amount of air, in case the indoor lack of air that occurs increases carbon monoxide greatly, people's life is threatened equally, poison or suffocate.For the patent application notification number is the quick electromagnetic water heater of CN2051342U; overcome the defective of above-mentioned two kinds of pattern showers; the alternating magnetic field that utilizes electromagnetic induction to produce makes iron pipe form eddy current; thereby reach the purpose of Fast Heating; but its defective is the waterway coiling of helix to bother; the more important thing is that it does not have the water cut-off protection measure, can't guarantee when cutting off the water supply, to make water heater to quit work, cause empty the burning and the damage device.

The purpose of this utility model is to overcome the defective of prior art and provides a kind of alternating magnetic field that utilizes electromagnetic induction to produce to make iron pipe form eddy current; thereby reach Fast Heating; thermal efficiency height, safe and reliable, the electromagnetic type instant shower heater with temperature control and water cut-off protection function.

The purpose of this utility model realizes by following scheme: it utilizes industrial frequency AC electromagnetism vortex flow heating principle to make; the water service pipe that can form magnetic loop that magnetic energy and thermal energy exchange are arranged in its housing; pipe is outer to be wrapped up by insulating; coiling solenoid on the pipe; advance; no water protector and temperature inductor are housed respectively on the water out adapter; they are connected with the circuit control section by lead; one of 2 knob of housing front surface are the temperature control handles; one is the power switch power change switch of holding concurrently; change different power outputs; make water temperature reach automatic control purpose, also have power supply indicator D ₆With working station indicator D ₇Water service pipe can be the U-shaped pipe, and it and magnetic are gripped and formed a closed magnetic loop, also can have closed magnetic loop of one's own for shape pipe.

The utility model is compared with known technology, advantage is: (a) simple in structure, its critical piece is that a water service pipe with high permeability low-resistance value and one are enclosed within the outer power frequency solenoid of water service pipe, the complicated circuit construction of no high-frequency electromagnetic system, and outside electromagnetic interference is little; (b) volume is little, and is easy to install, and watt level can freely be selected; (c) thermal efficiency can reach more than 90%; (d) security is good, because of this shower according to the work of vortex flow heating principle, water pipe and water and power supply insulate fully, control circuit is also carried out by transformer and relay with power supply and is isolated, and can not make the water generates electrification phenomenon.

Description of drawings.

Fig. 1 is the utility model structural representation.

Fig. 2 is a circuit control section schematic diagram.

Be further elaborated at above-mentioned accompanying drawing embodiment.

There is one in electromagnetic type instant shower heater (the seeing Fig. 1-2) housing (1) by climbing (8) U type water service pipe (5) fixing, the low-resistance ferrous material system of high permeability, the insulating (9) as asbestos and so in coiling on the pipe, scatter and disappear with the heat that reduces in the pipe, the magnetic that is formed by high permeability high resistance silicon steel sheet closed assembly is housed on the U type water service pipe (5) grips (2), both form a closed magnetic loop, to reduce the loss and the heat loss of magnetic potential in the magnetic loop.Water service pipe (5) is gone up coiling and solenoid L, this coil turns to the copper conductor of outsourcing insulation, can single winding or single winding in the middle of a plurality of taps or two windings, be enclosed within the both sides of U-shaped pipe respectively, the number of turn of coil and line footpath can be determined according to the material behavior and the shape of power requirement and water service pipe (5).

The water inlet end of water service pipe (5) is equipped with water supply connector (3), and two apertures no water protector (4) of packing into is tightly filled in the copper rod of tape insulation layer on the joint, exposes an end and wire bonds.On the aperture of the water out adapter of water side (7) temperature inductor (6) is housed, can be with tape insulation or do not fill in thermistor R in the copper pipe of tape insulation ₄, it and no water protector (4) draw all place in circuit control sections (12) of lead.Housing (1) front surface has temperature control knob (11) and power switch power change switch (10) of holding concurrently, the power transfer of adjustment shower.

Circuit control section (12) is made up of power circuit, water cut-off protection, temperature-control circuit and solenoid heating and control display circuit.

Power circuit comprises power switch K, transformer B, bridge rectifier D ₁-D ₄, capacitor C ₁, on/off shows D ₆, R ₈

Water cut-off protection, temperature-control circuit comprise Zener diode D ₅, resistance R ₂, R ₃, thermistor R ₄, triode T ₁, relay J, capacitor C ₂, two contact E, F.

Solenoid heating and control display circuit comprise coil L, resistance R ₅, R ₆, R ₇, R ₉, capacitor C ₃, C ₄, bidirectional triode thyristor T ₂, duty shows D ₇

The circuit working principle is as follows: after connecting power switch K, and indicator lamp light emitting diode D ₆Bright, if anhydrous in the water service pipe (5), water cut-off protection circuit E, F contact are obstructed, triode T ₁Base stage does not have bias voltage and ends, the still not conducting of normally opened contact of relay J, bidirectional triode thyristor T ₂Not conducting, no control signal input, solenoid L no current flows through, and shower is in the state of quitting work.

When in the water service pipe (5) water being arranged, make circuit interruption water induction device (4) E, the conducting of F contact, triode T ₁Base stage produces bias voltage and conducting, the normally opened contact adhesive of relay J, bidirectional triode thyristor T ₂The control end input voltage signal makes F ₂Conducting, solenoid L has electric current to flow through, thereby produces the induction alternating magnetic field in water service pipe (5), forms the vortex flow heating, makes instant shower heater be in normal operating conditions, indicator lamp light emitting diode D ₇Bright.

When the hot water temperature in the shower is higher than the control temperature, thermistor R ₄Resistance descends, and makes triode T ₁Bias voltage be lower than conducting voltage and end, the relay J normally opened contact of former closure is disconnected, the SCR control circuit disconnects, T ₂End, no current among the coil L, shower stop heating automatically.

When water temperature descends R ₄Resistance rises again, triode T ₁Conducting again enters the shower duty once more, indicator lamp D ₇Bright again, carry out so repeatedly, make water temperature reach automatic control purpose.

Claims (7)

1; a kind of electromagnetic type instant shower heater; water service pipe (5) with insulating (9) parcel is arranged in housing (1); solenoid L in coiling on the pipe; advancing of it; be equipped with into the water side; water out adapter (3); (7); temperature inductor (6) is housed on the water out adapter (7); temperature inductor (6) links to each other with circuit control section (12) by lead with solenoid L; housing (1) front surface is equipped with temperature control handle (11) and the power switch power change switch (10) of holding concurrently; and power supply indicator D6 and working station indicator D7, it is characterized in that being equipped with in the water supply connector (3) no water protector (4) that links to each other with circuit control section (11).

2, shower as claimed in claim 1 is characterized in that water service pipe (5) is the U-shaped pipe, and it and magnetic are gripped (2) and formed a closed magnetic loop.

3, shower as claimed in claim 1 is characterized in that water service pipe (5) is for having the shape pipe of closed magnetic loop of one's own.

4, shower as claimed in claim 1 is characterized in that water service pipe (5) made by the ferrous material of high permeability low resistance characteristic.

5, shower as claimed in claim 1 is characterized in that solenoid L can turn to single winding or the middle a plurality of taps of single winding or turn to two windings.

6, shower as claimed in claim 2 is characterized in that magnetic grips (2) and made by the high-resistance material of high permeability.

7, shower as claimed in claim 1 is characterized in that circuit control section (12) is heated by power circuit, water cut-off protection, temperature-control circuit and solenoid and the control display circuit is formed.

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