CN2685760Y

CN2685760Y - Hot exchanging electromagnetic water heater

Info

Publication number: CN2685760Y
Application number: CN 200420020387
Authority: CN
Inventors: 张慧娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-02-24
Filing date: 2004-02-24
Publication date: 2005-03-16
Anticipated expiration: 2014-02-24

Abstract

The utility model which relates to a hot exchanging electromagnetic water heater is a magnet induction type electric water heater, and can instantly supply the hot water. The utility model adapts to the occasion which needs a long time and constant water supply, comprising a field circuit arranged in a housing, a primary coil and a secondary coil, wherein, the secondary coil is a set of metal pipe rings, and short-circuit welding spots are arranged between the adjacent two pipe rings. The utility model is characterized in that a set of balance heat pipe rings are connected with the metal pipe rings winded on the primary coil, one end of the primary coil is connected with the metal pipe rings, and the other end of the primary coil is communicated with a water inlet arranged on the housing, with the communication of the other end of the metal pipe ring with a water outlet of the housing. The metal pipe rings run the heat exchange with the primary coil and the field circuit by the water inflow in the balance heat pipe ring, the water inflow of the water heater is preheated, and the overheat of the water heater assembly is prevented, solving the problem that the existing electric water heater can not reliably supply hot water for a long time. The utility model has the advantages that the service lifeis long, the structure is simple, and the manufacture is convenient; the utility model is electric power-saving, and is in convenient for the replacement of the existing electric water heater.

Description

The exchange type electromagnet water heater

Technical field

The utility model relates to a kind of electric heater of magnetic induction type.It is used for confessing hot water immediately, and also can continue the occasion confessed for a long time, as family, small-sized bathroom, hair washing shop etc.

Background technology

Chinese patent 98216667.2 disclosed " magnetic induction type electric heater ", it contains field circuit, primary coil and the secondary coil of installing in housing, wherein secondary coil is the metal tube and ring that one group of its entrance point and the port of export weld with short circuit, and the insulation tube that has the connection current to use between each metal tube and ring respectively.This electric heater can supply water and low cost of manufacture by safe instant heating, but it also has following deficiency: the 1) heat that produces in short-circuiting effect of metal tube and ring, the flowing water in its pipe of direct heating, also pass to primary coil, field circuit etc. by tube wall, cause these assembly heatings, and this heat is also little because of the volume of electric heater, compact conformation is difficult to outwards scatter and disappear, so electric heater will be in work under the high temperature; This phenomenon is particularly serious at the long-time electric heater that uses of continuing, and its result the accident that burns out also may in use occur except acceleration component is aging, shorten service life; 2) import heat on the electric heater assembly into because of not recycling, and wasted the heat that the secondary coil short circuit magnetothermal effect is produced, so its power consumption is more; 3) its insulation tube is in use easily because of overheated and aging, thereby the phenomenon that electric heater leaks occurs.

Summary of the invention

The utility model is to overcome in the above-mentioned prior art deficiency that also exists, provide a kind of and can continue the exchange type electromagnet water heater of instant heat supply water for a long time, and make it have rational in infrastructure simple, use reliably and characteristics such as economize on electricity, long service life.

The utility model exchange type electromagnet water heater, it contains field circuit, primary coil and the secondary coil that is installed in the housing, wherein secondary coil is the metal tube and ring that has the short circuit solder joint between one group of its adjacent two pipe ring, it is characterized in that: connect one group of balance heat absorption pipe ring on the metal tube and ring, this pipe ring is wrapped on the primary coil, the one end is communicated with metal tube and ring, end is communicated with the water inlet on the housing in addition, and the end in addition of metal tube and ring is communicated with the delivery port on the housing.

The utility model exchange type electromagnet water heater preferably is equipped with water flow switch on its water inlet; And metal tube and ring and balance heat absorption pipe ring are pipe ring made of copper.

The beneficial effects of the utility model: 1) the utility model is connecting one group of balance heat absorption pipe ring that is wrapped on the primary coil on the metal tube and ring, make water inlet and primary coil, field circuit in this pipe ring carry out heat exchange and obtain pre-heating temperature elevation, also remove simultaneously heat on primary coil and the field circuit, not only improve inflow temperature but also prevent that effectively assembly is overheated, therefore it can continue to confess reliably hot water for a long time, and its long service life, economize on electricity; 2) connecting between pipe of the present utility model is welding, so it does not have possibility of seepage, so use reliably; 3) compare with existing magnetic induction type electric heater, the utility model just increases by one group of balance heat absorption pipe ring that is wrapped in the turn-to-turn insulation on the primary coil, the cost that it increased is few, manufacturing processing is also convenient, and do not change its original compact conformation, characteristics that volume is little, therefore the structure of the utility model electric heater advantages of simple more is beneficial to the update to existing electric heater.

Description of drawings

Fig. 1, Fig. 2 and Fig. 3 are respectively front view, rearview and the circuit diagrams of the utility model exchange type electromagnet water heater.

Label declaration among the figure: 1-metal tube and ring; 2-balance heat absorption pipe ring; The 3-field circuit; The 4-fixture; The 5-water inlet; The 6-primary coil; 7-short circuit solder joint; The solder joint of contacting between the 8-pipe; The 9-delivery port; The 10-water flow switch; K ₁-high-grade relay; K ₂-middle-grade relay; K ₃-low-grade relay; C ₁-normally closed temperature controller; C ₂-Chang Kai temperature controller; CT ₂-Chang Kai temperature controller C ₂Hand push button; K ₄-Chang Kai temperature controller C ₂Reset relay; K ₅-power switch; W ₁-low-grade indicator lamp; W ₂-middle-grade indicator lamp; W ₁-high-grade indicator lamp; PT ₂-many grades location connectors.

The specific embodiment

Embodiment 1. present embodiment exchange type electromagnet water heaters, its structure can see from Fig. 1, Fig. 2 and Fig. 3 that it contains field circuit 3, primary coil 6, secondary coil 1 and the balance heat absorption pipe ring 2 that is installed in the housing; Wherein field circuit 3 is rectangular frameworks of being made by the silicon sheet of band shape, and is being surrounded by insulating barrier on its surface; Primary coil 6 is to be wrapped in formed line bag behind the field circuit by lead, be surrounded by insulating barrier on its outer surface too, and the lead lead-out wire passes through relay K ₁, K ₂, K ₃Connect power supply; Secondary coil 1 is one group of metal tube and ring that is wrapped on the primary coil 6, has short circuit solder joint 7 between every two adjacent circle pipe rings, and has also connected normally closed temperature controller C on the secondary coil ₁Often open temperature controller C ₂, the former can automatically reset, and the latter then will pass through hand push button CT ₂Carry out hand-reset; Balance heat absorption pipe ring 2 is wrapped on the primary coil 6, and between its each pipe ring, be that turn-to-turn is insulation, an end of balance heat absorption pipe ring by the solder joint 8 of contacting between pipe be communicated with metal tube and rings 1, end is communicated with water inlet 5 on the housing in addition, and other of metal tube and ring holds with delivery port 9 on the housing and is communicated with.These above-mentioned assemblies are connected on the housing by the fixture on the field circuit 4 (represents housing with double dot dash line among Fig. 1 and Fig. 2).

Balance heat absorption pipe ring 2 and the winding process of metal tube and ring 1 on primary coil 6 can be seen from Fig. 1, the first end of balance heat absorption pipe ring 2 connects the water inlet 5 of housing, be wrapped in primary coil 6 upper right quarters then to the right from the centre, then change the below of primary coil 6 over to by the solder joint 8 of contacting between pipe, and right-to-left is wound into the right lower quadrant of primary coil, and the end of balance endothermic tube is communicated with the first end of metal tube and ring 1 at this; Metal tube and ring 1 right-to-left after the connection is wrapped in the lower left quarter of primary coil, and upwards change the upper left side of primary coil 6 over to, be wrapped in the upper left quarter of primary coil, the terminal delivery port 9 that is communicated with housing downwards of last metal tube and ring to the right again by the solder joint 8 of contacting between pipe.Express the above-mentioned winding process of two kinds of different pipe rings on the different parts of primary coil 6 with solid arrow among Fig. 1.

When using this enforcement electromagnet water heater, be communicated with by the running water pipe of water inlet earlier, and then turn on the power switch K with the external world ₅When water intaking valve was opened, a large amount of heats that electromagnetic induction and metal tube and ring short-circuiting effect are produced got final product the flowing water in the heating of metal pipe ring 1, and directly confess from delivery port 9.When continuing to supply water for a long time, running water from water inlet 5 inflows, when flowing through balance heat absorption pipe ring 2, can carry out heat exchange by its tube wall and primary coil 6, field circuit 3, current obtain preheating and assemblies such as primary coil 6 and field circuit 3 and are not also constantly removed because of heat and can cross heat ageing.

The power switch K of present embodiment electromagnet water heater ₅Be Gear-shift switch, freely select the water of three kinds of different temperatures for use for people, and at corresponding low-grade indicator lamp W ₁, middle-grade indicator lamp W ₂Or high-grade indicator lamp W ₁So last demonstration is easy to use safe and reliable again.

For guaranteeing user's safety, the present embodiment water heater also makes water inlet pipe ground connection except being surrounded by respectively the insulating barrier on the outer surface of primary coil and field circuit.

The structure of embodiment 2. present embodiment electromagnet water heaters can see from Fig. 1 and Fig. 2, and different is with embodiment 1 for it: on its water inlet 9 water flow switch 10 is housed; This water flow switch can work relay by sensor in the water inlet process immediately, water heater could be worked when only in metal tube and ring 1 water being arranged with assurance, and go out hot water from water outlet 9 confessions immediately, and when cutting off the water supply, the then signal of sensor interruption, water heater are closed automatically, so prevented the electric heater dry combustion method effectively; So reliable operation, long service life.

Metal tube and ring 1 and balance endothermic tube ring 2 in the embodiment 3. present embodiment electromagnet water heaters are the copper pipe ring, and between adjacent two pipe rings of balance heat absorption pipe ring, i.e. turn-to-turn insulation.

Claims

1, a kind of exchange type electromagnet water heater, it contains field circuit (3), primary coil (6) and the secondary coil (1) that is installed in the housing, wherein secondary coil is the metal tube and ring that has short circuit solder joint (7) between one group of its adjacent two pipe ring, it is characterized in that: connect one group of balance heat absorption pipe ring (2) on the metal tube and ring, this pipe ring is wrapped in primary coil (6), on, the one end is communicated with metal tube and ring, end is communicated with the water inlet (5) on the housing in addition, and the end in addition of metal tube and ring is communicated with the delivery port (9) on the housing.

2, exchange type electromagnet water heater according to claim 1 is characterized in that: water flow switch (10) is housed on the said water inlet (5).

3, exchange type electromagnet water heater according to claim 1 and 2 is characterized in that: said metal tube and ring (1) and balance endothermic tube ring (2) are pipe ring made of copper.