CN1262419A - Direct induction heating type electric water heater - Google Patents
Direct induction heating type electric water heater Download PDFInfo
- Publication number
- CN1262419A CN1262419A CN 99114063 CN99114063A CN1262419A CN 1262419 A CN1262419 A CN 1262419A CN 99114063 CN99114063 CN 99114063 CN 99114063 A CN99114063 A CN 99114063A CN 1262419 A CN1262419 A CN 1262419A
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- type electric
- ring
- induction heating
- water heater
- heating type
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Abstract
An electric water heater using electric induction to heat water is composed of electrically conductive ring and working coil, which is spirally wound around said ring. A high-frequency current flows through the working coil and the magnetic force lines are enclosed in said ring. A heat-exchanging water channel is arranged in said ring and connected to water inlet and outlet pipes. Its advantages are heating with electric induction, reliable electric insulation, no electric leakage and high safety.
Description
The present invention relates to water heater.More particularly, be a kind of be the instant electric water heater of the energy with the electricity.
Electric heater of the prior art is of a great variety, and structure is different.Wherein water-storage electric heater all is to adopt tubular electrothermal element usually, this heating is to put into spiral metallic resistance silk in a metal tube vertically, closely fill up oxide in its gap with thermal conductive resin and insulating properties, in the resistance wire by certain electric current with regard to the evolution of heat.Tubular electrothermal element is immersed in promptly becomes electric heater in the water.Enter practical electric heater and mostly be this structure; The heating element heater that the instant electric water heater adopted is a platy structure, and this electric hot plate is to make heater with resistance wire equally, makes insulant with magnesia, flows through the slit of water between two heating plates and is heated.Obviously, no matter be storage water heater or instant electric water heater, its heating all is a resistance wire, and therefore, electric heater of the prior art exists safety problem inevitably.Though existing electric heater product is provided with earth leakage protective device in its electric power loop, this can not fundamentally be avoided because the security incident that electric leakage causes.
The objective of the invention is to avoid above-mentioned weak point of the prior art, a kind of inductive heating type electric water heater is provided, with the electric leakage problem of thorough solution electric heater.
Purpose of the present invention is achieved through the following technical solutions.
Architectural feature of the present invention be by the ring-type electric conductor and in the shape of a spiral the shape winding outside the ring-type electric conductor, pass to the actuating coil that high frequency electric, the magnetic line of force be enclosed in the described ring-type electric conductor and constitute heater, the heat exchange water route is arranged in this ring-type electric conductor, and draws water pipe by two and be communicated with water inlet pipe and outlet pipe respectively.
Compared with the prior art, the present invention has following advantage:
1, the present invention adopts induction mode of heating, and heating element heater is isolated with electricity is absolute, thereby has thoroughly eliminated the hidden danger of electric leakage, and is safe and reliable.
2, the present invention need not to be provided with the water storage casing, and volume is little, in light weight, easy for installation, plug and play.
3, be closed in the ring-type electric conductor by the magnetic line of force that actuating coil produced that passes to high frequency electric among the present invention, profile such as same toroidal transformer have substituted secondary windings by the ring-type electric conductor.In the work, the heat that only produces in actuating coil becomes loss, and the eddy current in annular electric conductor, heat that magnetic hysteresis produced all are used as the work thermal source and obtain utilizing.Thereby the present invention has the very high thermal efficiency.
4, the present invention can come for actuating coil provides high frequency electric by logical variable power source is set, and inverter is the resonance duty, is pure resistive impedance operator, and than capacitive or emotional resistance, its power utilization rate is the highest.
5, induction type mode of heating of the present invention is to being had certain magnetization by the glassware for drinking water of its heating.According to the interrelated data introduction, this water that is magnetized has suitable health care to human body.
6, the present invention has emollescence for incrustation scale, thereby can avoid scaling.
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a ceramic thread ring framework structural representation of the present invention.
Fig. 3 is a heater structure schematic diagram of the present invention.
Fig. 4 is Figure 1A-A profile.
Fig. 5 is circuit theory diagrams of the present invention.
By the following examples, in conjunction with the accompanying drawings the present invention is further described.
Embodiment:
Referring to accompanying drawing 1,2 and accompanying drawing 3, the present invention by ring-type electric conductor 1 and in the shape of a spiral the shape winding outside ring-type electric conductor 1, pass to the actuating coil 2 that high frequency electric, the magnetic line of force be enclosed in the described ring-type electric conductor 1 and constitute heater, the heat exchange water route is arranged in this ring-type electric conductor 1, and draws water pipe 4 by two and be communicated with water inlet pipe and outlet pipe respectively.
Between ring-type electric conductor 1 and actuating coil 2, be provided with ceramic thread ring framework 3.As shown in Figure 2, the ceramic thread ring framework 3 in the present embodiment be by about two support bodys that are the toroidal cavity shape are involutory constitutes, on its sidewall, offer through hole 5.
As shown in Figure 3, the ring-type electric conductor 1 that is provided with the heat exchange water route in the present embodiment is metal threaded pipe, this helical metal hollow pipe is entrapped in the groove of ceramic thread ring framework 3, and the two ends of helical metal hollow pipe is drawn water pipe 4 and passed in ceramic thread ring framework two side through hole 5.
As shown in Figure 4, the winding structure of helical metal hollow pipe ringwise, and is arranged along ceramic thread ring framework 3 madial walls on the cross section in the present embodiment.
Referring to accompanying drawing 4, present embodiment is to be power supply with 220 volts of alternating voltages of civil power, power inverse transformation circuit is set, and power inverse transformation circuit constitutes resonance circuit by actuating coil L2, capacity cell C2, switching tube VT and damper diode D1, and series connection is provided with high frequency choke coil L1 in the power supply input circuit.220 volts of AC powers change direct current signal into after through bridge rectifier and filter capacitor C1, be high frequency ac signal by follow-up resonance circuit inversion again, thereby provide high-frequency current signal for actuating coil L2.
Switching tube VT in the present embodiment is a switch triode, adopts independent-excited, inserts the square wave control signal in its base stage.Switch triode VT also can be other switching transistors such as controllable silicon.
In addition, the present invention can be used as the heating for fluids such as gas or other liquid equally.
Claims (6)
1, a kind of direct induction heating type electric water heater, it is characterized in that by ring-type electric conductor (1) and in the shape of a spiral the shape winding outside ring-type electric conductor (1), pass to the actuating coil (2) that high frequency electric, the magnetic line of force be enclosed in the described ring-type electric conductor (1) and constitute heater, the heat exchange water route is arranged in this ring-type electric conductor (1), and draws water pipe (4) by two and be communicated with water inlet pipe and outlet pipe respectively.
2, direct induction heating type electric water heater according to claim 1 is characterized in that being provided with ceramic thread ring framework (3) between described ring-type electric conductor (1) and the actuating coil (2).
3, direct induction heating type electric water heater according to claim 2, it is characterized in that the described ring-type electric conductor (1) that is provided with the heat exchange water route is the helical metal hollow pipe, the two ends of helical metal hollow pipe is drawn water pipe (4) and is passed in ceramic thread ring framework two side through hole (5).
4, direct induction heating type electric water heater according to claim 3, the winding structure that it is characterized in that described helical metal hollow pipe ringwise, and are arranged along ceramic thread ring framework (3) madial wall on the cross section.
5, direct induction heating type electric water heater according to claim 1, it is characterized in that being provided with power inverse transformation circuit, described power inverse transformation circuit constitutes resonance circuit by actuating coil (L2), capacity cell (C2), switching tube (VT) and damper diode (D1), and series connection is provided with high frequency choke coil (L1) in the power supply input circuit.
6, direct induction heating type electric water heater according to claim 5 is characterized in that described switching tube (VT) is a switch triode, inserts the square wave control signal in its base stage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99114063 CN1262419A (en) | 1999-02-05 | 1999-02-05 | Direct induction heating type electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99114063 CN1262419A (en) | 1999-02-05 | 1999-02-05 | Direct induction heating type electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1262419A true CN1262419A (en) | 2000-08-09 |
Family
ID=5277187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99114063 Pending CN1262419A (en) | 1999-02-05 | 1999-02-05 | Direct induction heating type electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1262419A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007115487A1 (en) * | 2006-04-10 | 2007-10-18 | Guoshui Li | A frequency conversion electromagnetic induction instantaneously-heating type water heater |
| ES2340757A1 (en) * | 2010-04-01 | 2010-06-08 | Jose Antonio Heredia Heredia | Instant water heater by electromagnetic induction (Machine-translation by Google Translate, not legally binding) |
| CN105605765B (en) * | 2015-11-05 | 2018-05-29 | 冯健满 | A kind of instant heating type electromagnetic water heater and electric heater |
-
1999
- 1999-02-05 CN CN 99114063 patent/CN1262419A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007115487A1 (en) * | 2006-04-10 | 2007-10-18 | Guoshui Li | A frequency conversion electromagnetic induction instantaneously-heating type water heater |
| ES2340757A1 (en) * | 2010-04-01 | 2010-06-08 | Jose Antonio Heredia Heredia | Instant water heater by electromagnetic induction (Machine-translation by Google Translate, not legally binding) |
| CN105605765B (en) * | 2015-11-05 | 2018-05-29 | 冯健满 | A kind of instant heating type electromagnetic water heater and electric heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |