CN2872780Y

CN2872780Y - Heater without electromagnetic wave

Info

Publication number: CN2872780Y
Application number: CN 200520086495
Authority: CN
Inventors: 陈忠助
Original assignee: QINGDAO KUKIL ELECTRICAL APPLIANCE Co Ltd
Current assignee: QINGDAO KUKIL ELECTRICAL APPLIANCE Co Ltd
Priority date: 2005-08-22
Filing date: 2005-08-22
Publication date: 2007-02-21
Anticipated expiration: 2015-08-22

Abstract

The utility model relates to a conductor wire, in particular to a heat-generating conductor wire, and provides a heating element capable of providing sufficient heat for user without generating electromagnetic wave. The heating element comprises a heat-generating conductor wire, an insulating layer coated outside the heat-generating conductor wire, and a demagnetizing conductor wire wound around the heat-generating conductor wire and insulating layer for eliminating electromagnetic wave generated by the heat-generating conductor wire. The inventive heating element can provide proper heat for user on demand, and doesn't cause harm of electromagnetic wave to human body.

Description

The heater that does not generate electromagnetic waves

Technical field

The utility model relates to a kind of lead, specifically, relates to a kind of heating-wire.

Background technology

The heater of using in the electrical equipment such as electric blanket of the prior art, electromagnetism bed, electromagnetism cushion is provided with heating-wire in the middle of generally all being, insulating barrier is set then to get final product, when alternating current passed through the heating line, heat energy heating, the heat that provides the user to need will be provided heating-wire.But as depicted in figs. 1 and 2, will generate electromagnetic waves around it when heating-wire and twisted wire heating power, that is,, will produce electric field and magnetic field generates electromagnetic waves by electric current if there is electric current to pass through in the lead.Such electromagnetic wave is the fluctuation of energy, propagates with a certain speed in electromagnetic field.

Particularly, according to Fig. 1 and Fig. 2, make electric current in heating-wire, flow, make electromagnetic wave (magnetic field) to resemble and produce the B, give out the electromagnetic wave of a great deal of around the line that then generates heat towards the A direction.

As shown in Figure 2, parallel torch is placed side by side, make electric current towards A, when A ' direction flows, electromagnetic wave will resemble and produce in the opposite direction mutually B, the B ', core in the above-mentioned parallel torch be annealed copper strand wire (2A) (2A ') will because of from the very near electromagnetic wave that will be produced by the annealed copper strand wire central point each other neutralizes mutually towards disappearing, but can not be neutralized away from central point gradually towards disappearing from the electromagnetic wave that annealed copper strand wire (2A) (2A ') comes out, thereby just produced electromagnetic wave, the people is known from experience the generation harmful effect.

This electromagnetic wave is widely known by the people by medium such as newspaper, TV, books to the extremely harmful fact of human body.It is reported, regional resident that high-tension bus-bar passes through is arranged because of being subjected to electromagnetic wave harm, much higher than other regional resident's cancer stricken, leukemic probability, if particularly human body is in the electromagnetic wave environment for a long time, easily cancer stricken, diabetes, leukaemia, cerebral hemorrhage, osteoproliferation, anaemia, infertile, miscarriage, deformed child, child development are bad etc., and electromagnetic wave has become human fearful public hazards.

The electric blanket of average family use now, electromagnetism bed, electromagnetism seat cushion etc. can produce electromagnetic wave mentioned above with the electric equipment products that human body directly contacts, the such electrical equipment of long-term use, human body will have no protection ground and be in the electromagnetic wave environment, and cancer, leukaemia etc. are brought out in worrying meeting.Particularly, as long as human body will be gone to bits by the electromagenetic wave radiation of 1mG, and the electric blanket in the above-mentioned electric equipment products etc. can produce up to the electromagnetic wave more than the 33-100mG, are higher than the standard that people's physical efficiency is born far away, and this has brought fatal harm to human body.

Summary of the invention

The utility model is intended to overcome above-mentioned defective, provides a kind of and does not generate electromagnetic waves, and the heater of enough heat can be provided for the user.

The technical solution of the utility model is such: it comprises heating-wire, heating-wire outsourcing insulating layer coating, it is characterized in that: outside heating-wire and insulating barrier, be wound with and be used to offset the electromagnetic demagnetization lead of heating-wire, the adjacent spacing of spiral demagnetization lead is directly proportional with the thickness sum of the diameter of heating-wire and insulating barrier, coat external insulation layer outside the assembly that heating-wire, insulating barrier and demagnetization lead constitute, external insulation layer is a single or multiple lift.

Heating-wire is annealed copper strand wire, nichrome wire or alloy wire.

The demagnetization lead is nichrome wire or alloy wire.

Insulating barrier is insulation cotton thread layer, perhaps tetrachloro-ethylene layer, and perhaps insulate cotton thread layer and tetrachloro-ethylene layer are provided with simultaneously, perhaps pottery, perhaps glass fibre, perhaps pottery and glass fibre are provided with simultaneously.

External insulation layer is a silicon rubber.

The heater that the utility model provides not only can provide suitable heat according to user's needs, and can not generate electromagnetic waves human body is caused damage.

Description of drawings

Fig. 1 be electric current common heating line and twisted wire by the time generate electromagnetic waves and electromagnetic schematic diagram;

Fig. 2 be have in the common parallel torch electric current by the time generate electromagnetic waves and the schematic diagram of electromagnetic wave direction;

Fig. 3 is the structural representation of heater of the present utility model;

Fig. 4 is the structural representation of high heat heater of the present utility model.

Embodiment

Embodiment 1:

Fig. 3 applies the present invention to electric blanket etc. easily to be kept schematic diagram on the heater of lower temperature by being used for of using of family.

The heating-wire of present embodiment is set to annealed copper strand wire 5E, annealed copper strand wire 5E outside coats goes up insulation cotton thread layer 5D, above-mentioned insulation cotton thread layer 5D outside coats politef inner insulating layer 5C, above-mentioned insulating barrier 5C outside is provided with nichrome wire or the alloy wire 5B as the demagnetization lead at regular intervals, the above-mentioned nichrome wire 5B coated again silicon rubber external insulation layer 5A in outside flows electric current in the opposite direction in above-mentioned annealed copper strand wire 5E and nichrome wire 5B.At this, the interval L2 between nichrome wire 5B is directly proportional with the thickness sum of the diameter of annealed copper strand wire 5E and insulation cotton thread layer 5D.

Like this, heater is under the effect of inner insulating layer 5C and external insulation layer 5A, even reach 280 ℃ of maximum temperatures, also can get rid of situation about generating electromagnetic waves because of annealed copper strand wire 5E and nichrome wire 5B, particularly because the current direction among above-mentioned annealed copper strand wire 5E and the nichrome wire 5B is rightabout, disappeared so the electromagnetic wave that above-mentioned annealed copper strand wire 5E and nichrome wire 5B produce absorbs to dash mutually, electromagnetic wave is not distributed.

Promptly, the electromagnetic wave source that produces among the above-mentioned annealed copper strand wire 5E is from annealed copper strand wire 5E central point, although be dispersed into outside the inner insulating layer 5C, but being rightabout by the electromagnetic wave of the electromagnetic wave of the nichrome wire 5B of above-mentioned insulating barrier 5C parcel and above-mentioned annealed copper strand wire 5E generation occurs, the electromagnetic wave of the electromagnetic wave of annealed copper strand wire 5E and nichrome wire 5B absorbs mutually to dash and disappears, particularly twined at regular intervals by external insulation layer owing to nichrome wire 5B, the electromagnetic wave of annealed copper strand wire 5E is easy to produce with nichrome wire 5B, electromagnetic wave along the winding direction rotation neutralizes towards disappearing, and distributes thereby restrained electromagnetic generation.

As mentioned above, the heater that does not generate electromagnetic waves being applied to maximum temperature is can prevent the infringement of electromagnetic wave to health on the electrical equipment such as electric blanket, electric heating bed below 100 ℃ the time.

Embodiment 2:

Fig. 4 is the schematic diagram that applies the present invention to produce the heater of high temperature.

The heating-wire line of present embodiment is set to nichrome wire 6B, nichrome wire 6B outside coats goes up ceramic inner insulating layer 6A, above-mentioned inner insulating layer 6A twines nichrome wire 6C in the outside more at regular intervals, two-layer nichrome wire 6B and 6C also make when can produce double heat above-mentioned two-layer nichrome wire 6B and 6C have electric current by the time electromagnetic wave that produces absorb offset mutually, eliminate electromagnetic purpose thereby reach.

The action principle that electromagnetic wave is restrained is identical with Fig. 1, omits its explanation at this.

In addition, be applied to require heating temp at the electrical equipment more than 100 ℃ the heater of keeping high temperature that does not generate electromagnetic waves, as on heater, hair-dryer, electromagnetic oven or the microwave oven time, then can protect human body to avoid electromagnetic wave harm.

As mentioned above, feature of the present invention is as follows: coat inner insulating layer on the nichrome wire that constitutes electrical equipment or heating line, annealed copper strand wire, coat politef in above-mentioned inner insulating layer outside, it still can be used when maximum temperature reaches 280 ℃.Make electric current in above-mentioned annealed copper strand wire and the nichrome wire be rightabout and pass through, the electromagnetic wave that they produce separately absorbs offset mutually.Can be used as torch on the electrical equipment such as electric blanket of family's indispensability and the heating line on the hair-dryer, the protection human body is avoided the electromagnetic wave infringement, and the prevention people suffer from incurable diseases such as cancer, leukaemia.

Claims

1, a kind of heater that does not generate electromagnetic waves, it comprises heating-wire, heating-wire outsourcing insulating layer coating is characterized in that: be wound with outside heating-wire and insulating barrier and be used to offset the electromagnetic demagnetization lead of heating-wire.

2, the heating-wire that does not generate electromagnetic waves according to claim 1 is characterized in that: the adjacent spacing of spiral demagnetization lead is directly proportional with the thickness sum of the diameter of heating-wire and insulating barrier.

3, the heating-wire that does not generate electromagnetic waves according to claim 2 is characterized in that: coat external insulation layer outside the assembly that heating-wire, insulating barrier and demagnetization lead constitute, external insulation layer is a single or multiple lift.

4, the heating-wire that does not generate electromagnetic waves according to claim 3 is characterized in that: heating-wire is annealed copper strand wire, nichrome wire or alloy wire.

5, the heating-wire that does not generate electromagnetic waves according to claim 4 is characterized in that: the demagnetization lead is nichrome wire or alloy wire.

6, the heating-wire that does not generate electromagnetic waves according to claim 5 is characterized in that: insulating barrier is insulation cotton thread layer, perhaps tetrachloro-ethylene layer, perhaps insulate cotton thread layer and tetrachloro-ethylene layer is provided with simultaneously, perhaps pottery, perhaps glass fibre, perhaps pottery and glass fibre are provided with simultaneously.

7, the heating-wire that does not generate electromagnetic waves according to claim 6 is characterized in that: external insulation layer is a silicon rubber.