CN1773187A - Domestic power frequency resonance type induction electric water heater - Google Patents

Domestic power frequency resonance type induction electric water heater Download PDF

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Publication number
CN1773187A
CN1773187A CN 200410044034 CN200410044034A CN1773187A CN 1773187 A CN1773187 A CN 1773187A CN 200410044034 CN200410044034 CN 200410044034 CN 200410044034 A CN200410044034 A CN 200410044034A CN 1773187 A CN1773187 A CN 1773187A
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CN
China
Prior art keywords
heating pipe
water
pipe
induction heating
power frequency
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Pending
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CN 200410044034
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Chinese (zh)
Inventor
郝明君
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Individual
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Individual
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Priority to CN 200410044034 priority Critical patent/CN1773187A/en
Publication of CN1773187A publication Critical patent/CN1773187A/en
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Abstract

The present invention discloses a domestic line-frequency resonance type induction water-heater. It includes at least one vertically-mounted induction heating pipe and capacitor. The structure of the described induction heating pipe is characterized by that in a water pipe made of non-magnetoconductive metal material is set a heat-producing steel pipe made of magnetoconductive material, on the exterior of described water pipe an electromagnetic induction coil is cover-mounted, in the hot water outlet over the induction heating pipe a water storage barrel is welded and in the cold water inlet under the induction heating pipe a water collector is connected. Said invention not only can be used for providing hot water, but also can greatly save power energy source.

Description

A kind of domestic power frequency resonance type induction electric water heater
Technical field
The technical field that the present invention relates to has eddy-current heating and antiresonant circuit, particularly relates to a kind of domestic power frequency resonance type induction electric water heater.
Background technology
In the domestic, electric water heater of on the existing market, generally selling, employing be the heater that the resistance-type electrothermal tube constitutes.Haier's board electric heater for example.Because the resistance-type electric heater in heating process, converts heat to behind the energy of electrical network absorption 100%, water is heated.So this electric heater can't be energy-conservation in the conversion of the power of electricity consumption and heat.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of energy that absorbs from electrical network little, pine for the big energy-saving domestic power frequency resonance type induction electric water heater that releases energy adding.
The technical problem to be solved in the present invention is achieved through the following technical solutions:
A kind of domestic power frequency resonance type induction electric water heater, it comprises shell body, electrical control gear and has an induction heating pipe and a capacitor of vertically settling at least, it comprises that also described antiresonant circuit is one or more independently antiresonant circuits by induction heating pipe and the antiresonant circuit that constitutes after capacitor and power frequency AC are in parallel; Described induction heating pipe comprises, the inside at an electromagnetic induction coil, a ventilating water pipe of being made by non-magnetic conductive metal material is arranged, the inside at described ventilating water pipe, one or more separate and parallel heating pipe made from permeability magnetic material is arranged, leave the gap between the internal diameter of described ventilating water pipe and the external diameter of described heating pipe, also leave the gap between the external diameter of described many heating pipes;
It is characterized in that: the hot water exit above described induction heating pipe welds or is bolted with a water storage cylinder, cooling water inlet place below described induction heating pipe welding or be bolted with a water collector has a down-comer that is communicated with and water circulating pump between described water storage cylinder and water collector.
Ventilating water pipe in the described induction heating pipe is to make with magnetism-free stainless steel.
Heating pipe in the described induction heating pipe is to make with low carbon steel pipe or silicon steel pipe.
Respectively there is a porous shrouding that has flange two of ventilating water pipe ends in the described induction heating pipe.
There is a reducing concentric reducer bottom of ventilating water pipe in the described induction heating pipe.
The described heating pipe that is placed in ventilating water pipe the inside in the described induction heating pipe is welded with a porous fixed head in the middle.
Described can also have a check-valves between water circulating pump and water collector.
Between described a plurality of induction heating pipe magnetic shielding cover is arranged.
Beneficial effect of the present invention
Domestic power frequency resonance type induction electric water heater of the present invention with following good effect is arranged after existing domestic, electric water heater is compared:
Induction heating pipe with under power-frequency voltage, can produce parallel resonance after capacitor is in parallel.And can reach optimum resonant state.The power that the induction heating pipe that moves under optimum resonant state discharges is greater than from the electrical network power absorbed, thereby saved about 50% electric power energy.
The experimental result that parallel resonance takes place under power-frequency voltage for described induction heating pipe and capacitor is as follows:
The induction heating pipe parameter:
(1) electromagnetic induction coil: inner/outer diameter=95/115mm, highly=500mm,
Enamel insulated round copper wire diameter=2.44mm, the number of turns=350 circles.
(2) magnetism-free stainless steel ventilating water pipe: inner/outer diameter=85/89mm.
(3) heating pipe: four of carbon steel tubings, inner/outer diameter=26/32mm, length 500mm.
Capacitor parameters: capacitance=276 μ f.
Anhydrous state following conduction time: 2 minutes.Room temperature: 22 ℃.
After connecting into parallel circuit by the induction heating pipe of above-mentioned parameter configuration and capacitor on electric, on the also interface of this circuit, apply a frequency and be 50Hz, single-phase, 90 volts alternating voltage.At this moment, this parallel connection alternating current circuit generation parallel resonance.The data that measure respectively with ammeter and voltage meter are as follows: the power input electric current is that 5 amperes, voltage are 90 volts, and the electromagnetic induction coil of induction heating pipe and the electric current on the capacitor are that 9.8 amperes, voltage are 90 volts.This shows that the power that induction heating pipe discharges is greater than from the power supply power absorbed, saves energy 48.98%.
Description of drawings
Fig. 1 is the front view of induction heating pipe first embodiment in the domestic power frequency resonance type induction electric water heater of the present invention;
Fig. 2 is that induction heating pipe in the domestic power frequency resonance type induction electric water heater shown in Figure 1 is along the amplification view of B-B line;
Fig. 3 is the front view of another embodiment of induction heating pipe in the domestic power frequency resonance type induction electric water heater of the present invention;
Fig. 4 is that induction heating pipe in the domestic power frequency resonance type induction electric water heater shown in Figure 3 is along the amplification view of B-B line;
Fig. 5 is the front view of a kind of embodiment of domestic power frequency resonance type induction electric water heater of the present invention;
Fig. 6 is the electrical schematic diagram of antiresonant circuit first embodiment independently described in the domestic power frequency resonance type induction electric water heater of the present invention;
Fig. 7 is the electrical schematic diagram of antiresonant circuit second embodiment independently described in the domestic power frequency resonance type induction electric water heater of the present invention;
Fig. 8 is that antiresonant circuit is the electrical schematic diagram of a kind of embodiment of a plurality of independently antiresonant circuits described in the domestic power frequency resonance type induction electric water heater of the present invention.
Among the figure: 1, porous fixed head 27, safety valve
2, reducing concentric reducer 28, hot water outlet
3, connecting bolt 29, water storage cylinder
6, the porous shrouding 30,30a, the induction heating pipe that have flange
7, ventilating water pipe 33, magnetic shielding cover
8, heating pipe 35, cooling water inlet
9, heat-insulation layer 36, water collector support
10, electromagnetic induction coil 39, water collector
11, finish lead 40,40a, capacitor
12, insulation casting die 41, connection cable
13, press nail 42, ac power output row
14, support plate 43,43a, check-valves
15, installing plate 48, temperature sensor
21, electrical control gear 50, water circulating pump
22, ac power input end row 56, distributing pipe line
23, shell body 58, insulation layer
24, pipe joint 59, suspension member
25, hot-water line 60, down-comer
The specific embodiment
Below in conjunction with drawings and embodiments the present invention is described in further detail.
The induction heating pipe 30 that constitutes by a heating pipe 8 illustrated in figures 1 and 2.The described heating pipe 8 parallel the insides that are placed on ventilating water pipe 7.Be useful on the gap of circulation water between the internal diameter of the external diameter of heating pipe 8 and ventilating water pipe 7.On the described porous shrouding 6 that has a flange, the water flowing gap location between heating pipe 8 and ventilating water pipe 7 has a plurality of limbers.Porous fixed head 1 is welded on the middle part of heating pipe 8 earlier, is welded on the middle part of ventilating water pipe 7 again.Be welded into one after the corresponding perforation in hole on described heating pipe 8 and the porous shrouding 6 that has flange, integrally welded with ventilating water pipe 7 again in its end.The end that reducing concentric reducer 2 diameters are big is welded on the porous shrouding 6 that has flange.At the outer surface of ventilating water pipe 7, be coated with heat-insulation layer 9.Electromagnetic induction coil 10 is sleeved on the outside of heat-insulation layer 9, fixes with insulation casting die 12, support plate 14, pressure nail 13.Installing plate 15 is screwed onto on the connecting bolt 3.But have on the porous shrouding 6 of flange flange hole also the double as installing hole use.Finish lead 11 is used for and being connected of external circuit.
Fig. 3 and the described induction heating pipe 30 that constitutes by four heating pipes 8 shown in Figure 4.The inside that places ventilating water pipe 7 that four heating pipes 8 are separate and parallel.Leave the gap between four heating pipes 8.Also be useful on the gap of circulation water between the internal diameter of the external diameter of heating pipe 8 and ventilating water pipe 7.On the described porous shrouding 6 that has a flange, the water flowing gap location between heating pipe 8 and ventilating water pipe 7 has a plurality of limbers.Porous fixed head 1 is welded on the middle part of heating pipe 8 earlier, is welded on the middle part of ventilating water pipe 7 again.Weld together after the corresponding perforation in hole on described heating pipe 8 and the porous shrouding 6 that has flange, integrally welded with ventilating water pipe 7 again in its end.The end that reducing concentric reducer 2 diameters are big is welded on the porous shrouding 6 that has flange.At the outer surface of ventilating water pipe 7, be coated with heat-insulation layer 9.Electromagnetic induction coil 10 is sleeved on the outside of heat-insulation layer 9, fixes with insulation casting die 12, support plate 14, pressure nail 13.Installing plate 15 is screwed onto on the connecting bolt 3.But have on the porous shrouding 6 of flange flange hole also the double as installing hole use.Finish lead 11 is used for and being connected of external circuit.
Electromagnetic induction coil 10 in the induction heating pipe 30 is determined by knowing the inductive heating principle design of knowing with the electromagnetic parameter of heating pipe 8.The structural shape of electromagnetic induction coil 10 is determined with reference to the loop construction of dry-type power transformer.Electromagnetic induction coil 10 is single-phase simplex winding coils that two leading-out terminals are arranged, and it can or be formed in parallel by several sections windings in series, can also leave tap in the centre of winding to regulate the inductance or the voltage of induction heating pipe 30.The thickness of heat-insulation layer 9 is to determine according to the requirement of water temperature in the described ventilating water pipe and electromagnetic induction coil 30 temperature rises own.
Capacitor 40 shown in Fig. 5,40a be installed in electrical control gear below.Cooling water inlet 35 is input to the water in the outside tap water pipe line in the water collector 39 by safety valve 27, check-valves 43a, flows in the water storage cylinder 29 through induction heating pipe 30,30a.When the water in the water storage cylinder 29 need heat, by down-comer 60, water circulating pump 50 and check-valves 43 with the water forced circulation in the water storage cylinder 29 to water collector 39, constituted a closed circuit water circulation system.Hot water in the water storage cylinder is to be transferred in the outside water supply pipline system under the pressure of running water by hot-water line 25 and hot water outlet 28.The upper end of induction heating pipe 30,30a and water storage cylinder 29 weld together, and its lower end links together with pipe joint 24 and the distributing pipe line 56 that is welded on the water collector.After the finish lead of induction heating pipe 30,30a 11 is connected in parallel respectively with capacitor 40-40a, arranges 42 contact by ac power output in stube cable 41 and the electrical control gear 21 and be connected in parallel into 2 independently antiresonant circuits.Ac power input end row 22 is incorporated into external power source in the electrical control gear 21.Water in induction heating pipe 30,30a is under the state of circulation by electrical control gear 21 energising heating.When no longer needing to continue heating after the water temperature in the water storage cylinder reaches requirement, the power supply that should cut off induction heating pipe earlier stops the circulation of water again.On the top of induction heating pipe temperature sensor 48 is arranged.Magnetic shielding cover 33 between induction heating pipe 30, the 30a will reduce the mutual leakage field influence of induction heating pipe. Induction heating pipe 30,30a and water collector 39 all are to be fixed on the base of shell body 23 by water collector support 36.Insulation layer 58 covers the outer surface of water storage cylinder 29, water collector 39 and hot-water line 25, down-comer 60.Suspension member 59 with described domestic power frequency resonance type induction electric water heater integral hanging on wall.
Shown in Figure 6 is by an induction heating pipe 30 middle connecting terminal 30-1,30-2 with after binding post 40-1,40-2 in the capacitor 40 are in parallel respectively again with electrical control gear 21 in ac power output row 42 contact 21A11,21N11 be connected in parallel.By above-mentioned connection, constituted described independently antiresonant circuit first embodiment.21A, 21N are two contacts of electrical control gear 21 ac power input ends row.Electrical schematic diagram shown in Figure 6 is to constitute the most basic main circuit diagram of domestic power frequency resonance type induction electric water heater of the present invention; AC power in this circuit～frequency be power frequency, i.e. 50 He Zhi or 60 He Zhi, the voltage that exchanges input is 220 volts or 240 volts.The operation principle of this circuit is, the inductance parameters in the induction heating pipe 30 is to design definitely in advance, and the parameter of capacitor 40 is mated by described inductance parameters.Inductance and the coupling of electric capacity must satisfy the condition of resonance of alternating current circuit in parallel, i.e. capacitive reactance in induction reactance in the induction heating pipe and the capacitor equates during for power frequency in frequency.After a power-frequency voltage imposes on described independently antiresonant circuit, this circuit generation parallel resonance, the electric current that flows through in the electromagnetic induction coil 10 in the circuit is greater than the electric current of AC power supply at this moment.The power that the induction heating pipe 30 that moves under this resonant condition sends is greater than from the electrical network power absorbed, thereby reaches the purpose of energy savings.
The binding post 30-2 that shown in Figure 7 is in the induction heating pipe 30 is with after the binding post 30a-1 among the induction heating pipe 30a connects, again by binding post 30-1,30a-2 among induction heating pipe 30, the 30a respectively with capacitor 40a in binding post 40a-1,40-a2 be connected in parallel, and then be connected in parallel with ac power output row 42 contact 21A12,21N12 in the electrical control gear 21.By above-mentioned connection, constituted second embodiment of described independently antiresonant circuit.21A, 21N are two contacts of ac power input end row 22 in the electrical control gear 21.
After binding post 30-1, the 30-2 that shown in Figure 8 is in the induction heating pipe 30 and binding post 40-1,40-2 in the capacitor 40 are connected in parallel respectively again with electrical control gear 21 in ac power output row 42 contact 21A1,21N1 be connected in parallel; After binding post 30a-1,30a-2 among the induction heating pipe 30a and binding post 40a-1,40a-2 among the capacitor 40a are connected in parallel respectively again with electrical control gear 21 in ac power output row 42 contact 21A1,21N1 be connected in parallel; By above-mentioned connection, having constituted described antiresonant circuit is a kind of embodiment of a plurality of independently antiresonant circuits.21A, 21N are two contacts of ac power input end row 22 in the electrical control gear 21 among Fig. 8.Can be in parallel a plurality of on ac power output row 42 contact 21A1, the 21N1 in electrical control gear 21 by induction heating pipe 30 and capacitor 40 described independently antiresonant circuit in parallel.The circuit structure of electrical control gear 21 and element constitute by knowing the electric heater electric-control system know-why of knowing to be made.The rated capacity of domestic power frequency resonance type induction electric water heater of the present invention generally is no more than 2 kilowatts.

Claims (8)

1, a kind of domestic power frequency resonance type induction electric water heater, it comprises shell body, electrical control gear and has an induction heating pipe and a capacitor of vertically settling at least, it comprises that also described antiresonant circuit is one or more independently antiresonant circuits by induction heating pipe and the antiresonant circuit that constitutes after capacitor and power frequency AC are in parallel; Described induction heating pipe comprises, the inside at an electromagnetic induction coil, a ventilating water pipe of being made by non-magnetic conductive metal material is arranged, the inside at described ventilating water pipe, one or more separate and parallel heating pipe made from permeability magnetic material is arranged, leave the gap between the internal diameter of described ventilating water pipe and the external diameter of described heating pipe, also leave the gap between the external diameter of described many heating pipes;
It is characterized in that: the hot water exit above described induction heating pipe welds or is bolted with a water storage cylinder, cooling water inlet place below described induction heating pipe welding or be bolted with a water collector has a down-comer that is communicated with and water circulating pump between described water storage cylinder and water collector.
2, domestic power frequency resonance type induction electric water heater according to claim 1, it is characterized in that: the ventilating water pipe in the described induction heating pipe is to make with magnetism-free stainless steel.
3, domestic power frequency resonance type induction electric water heater according to claim 1 is characterized in that: the heating pipe in the described induction heating pipe is to make with low carbon steel pipe or silicon steel pipe.
4, domestic power frequency resonance type induction electric water heater according to claim 1 is characterized in that: respectively there is a porous shrouding that has flange two of ventilating water pipe ends in the described induction heating pipe.
5, domestic power frequency resonance type induction electric water heater according to claim 1 is characterized in that: there is a reducing concentric reducer bottom of ventilating water pipe in the described induction heating pipe.
6, domestic power frequency resonance type induction electric water heater according to claim 1 is characterized in that: the described heating pipe that is placed in ventilating water pipe the inside in the described induction heating pipe is welded with a porous fixed head in the middle.
7, domestic power frequency resonance type induction electric water heater according to claim 1 is characterized in that: described can also have a check-valves between water circulating pump and water collector.
8, domestic power frequency resonance type induction electric water heater according to claim 1 is characterized in that: between described a plurality of induction heating pipes magnetic shielding cover is arranged.
CN 200410044034 2004-11-11 2004-11-11 Domestic power frequency resonance type induction electric water heater Pending CN1773187A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200410044034 CN1773187A (en) 2004-11-11 2004-11-11 Domestic power frequency resonance type induction electric water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200410044034 CN1773187A (en) 2004-11-11 2004-11-11 Domestic power frequency resonance type induction electric water heater

Publications (1)

Publication Number Publication Date
CN1773187A true CN1773187A (en) 2006-05-17

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ID=36760270

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200410044034 Pending CN1773187A (en) 2004-11-11 2004-11-11 Domestic power frequency resonance type induction electric water heater

Country Status (1)

Country Link
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102401420A (en) * 2011-11-16 2012-04-04 宁波高新区安立特电气科技有限公司 Variable-frequency electromagnetic heating device
CN108662760A (en) * 2018-07-12 2018-10-16 石同生 Single port Horizontal single-pipe Natural Circulation Combined type electric hot water apparatus
CN108662750A (en) * 2018-07-12 2018-10-16 石同生 High efficiency single port Horizontal single-pipe Natural Circulation composite heating electric water-heating apparatus
CN108662751A (en) * 2018-07-12 2018-10-16 石同生 High efficiency single port Horizontal single-pipe Natural Circulation Combined type electric heating device
CN108800538A (en) * 2018-07-12 2018-11-13 石同生 The electric water-heating apparatus of external single port Horizontal single-pipe natural circulation heating device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102401420A (en) * 2011-11-16 2012-04-04 宁波高新区安立特电气科技有限公司 Variable-frequency electromagnetic heating device
CN108662760A (en) * 2018-07-12 2018-10-16 石同生 Single port Horizontal single-pipe Natural Circulation Combined type electric hot water apparatus
CN108662750A (en) * 2018-07-12 2018-10-16 石同生 High efficiency single port Horizontal single-pipe Natural Circulation composite heating electric water-heating apparatus
CN108662751A (en) * 2018-07-12 2018-10-16 石同生 High efficiency single port Horizontal single-pipe Natural Circulation Combined type electric heating device
CN108800538A (en) * 2018-07-12 2018-11-13 石同生 The electric water-heating apparatus of external single port Horizontal single-pipe natural circulation heating device

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