CN103841680A - Water-cooling heat dissipation electromagnetic heating device and control method thereof - Google Patents
Water-cooling heat dissipation electromagnetic heating device and control method thereof Download PDFInfo
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- CN103841680A CN103841680A CN201310347566.7A CN201310347566A CN103841680A CN 103841680 A CN103841680 A CN 103841680A CN 201310347566 A CN201310347566 A CN 201310347566A CN 103841680 A CN103841680 A CN 103841680A
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Abstract
The invention provides a water-cooling heat dissipation electromagnetic heating device. The water-cooling heat dissipation electromagnetic heating device comprises an electromagnetic heating induction coil, a water storage tank and a cooling pump. A water flow channel in the electromagnetic heating induction coil is connected with the water storage tank through the cooling pump so that water circulation exchange between the electromagnetic heating induction coil and the water storage tank can be achieved. A water temperature detecting device, a water level detecting device, a water inlet device, a spillway and a water circulation control module are arranged on the water storage tank. The water-cooling heat dissipation electromagnetic heating device is characterized in that when the water temperature detecting device detects that the temperature in the water storage tank is higher than the spillway temperature, the water circulation control module starts the water inlet device for water inflow, and therefore the temperature in the water storage tank is lowered.
Description
Technical field
The present invention relates to a kind of water-cooling electromagnetic heater and control method thereof.Particularly, the present invention relates to a kind of high-power water-cooling heat radiation electromagnetic heater and control method thereof.
Background technology
The electromagnetic heater such as electromagnetic stove, electromagnetic oven, because it is energy-efficient, has become a kind of important electric heater unit in people's life and industrial production.But, because the electromagnetic heater heat efficiency is high, the heating of its high-frequency induction heating coil and control circuit is also very obvious, mostly adopts wind-cooling heat dissipating system in prior art, and the method that adopts cooling fan to carry out radiating and cooling realizes the trouble free service of electromagnetic heater.But the method has following shortcoming: the electricity of cooling fan damage, the high problem of making an uproar, and must cause the flow media winding around such as water vapour, greasy dirt, dust is entered of wind-cooling heat dissipating dirt invest on electronic component and cause the fault of damage.
In addition, in prior art, also there is the electromagnetic heater that adopts water-cooling heat radiating system, if open day is on August 11st, 1993, publication number is that the application for a patent for invention of CN 1075198A discloses a kind of water-cooled electromagnetic stove, this electromagnetic oven adopts hollow tube circle to be coiled into induction drum, and make hollow tube be communicated with outer tank and cooling device form water circulation realize radiating and cooling, this application is applicable to high-power electromagnetic oven and the same water-cooled that adopts is dispelled the heat, but still need to adopt cooling fan to dispel the heat; In addition,, in the time adopting copper pipe as conduit water guide, easily electric leakage causes short circuit; In addition, copper pipe contacts with water and easily cause oxidation, corrosion for a long time, thereby generation heat conduction is bad, affects the drum life-span.
Obviously, there is following technical problem in above-mentioned existing water-cooling electromagnetic heater, that is:
1, the heat dissipation problem of electromagnetic heating coil.Because its body of electromagnetic heating coil is generally irregular, uneven, and needing can high temperature resistant high voltage, therefore, proposes higher requirement for heat radiation water pond structural configuration mode and the material of electromagnetic heating coil.And distance is often excessive between its heat radiation water pond of existing water-cooling heat radiating system and electromagnetic heating coil, is difficult to accomplish abundant laminating, thereby affects radiating effect.In addition, what in prior art, often adopt is heat-conducting silicone grease, because wherein having added metal powder, thereby its insulation property are poor, and heat-conducting silicone grease is easy to dry coming off, being difficult to guarantees to dispel the heat fits tightly between water pond and electromagnetic heating coil, thereby is difficult to guarantee heat dispersion.In addition, in prior art, radiating tube often adopts hard tube, and it is difficult to bending, and caliber is large, takes up room large.
2, the technical matters problem of electromagnetic heater semiconductor components and devices water-cooling.Due to great-power electromagnetic heater, it often uses under the state of large electric current and high-frequency and high-voltage, and in electromagnetic stove, the control of semiconductor components and devices is the light current that needs the micro-electric current of low pressure conventionally.Therefore, adopt water-cycling mode directly for semiconductor components and devices heat radiation just need to be considered the technological problems such as water in conductive process, electricity isolation antiseepage.Existing water-cooling heat radiating system, in order to address the above problem, often adopts closed circulation system.Obviously adopt closed circulation system to be difficult to abundant heat radiation, and as described below, can produce fouling, send out algae problem, water circulation pipe is stopped up in serious meeting, causes the damage of electromagnetic heater device.
3, the fouling of water in electromagnetic heater water-cooling heat radiating system, an algae problem.Because water-cooled cooling system of the prior art is often taked closed circulation system, thereby use for a long time, may occur incrustation scale, send out algae, affect the work of water-cooling heat radiating system.。
Obviously, electromagnetic heater cooling system of the prior art exists the technical bottleneck that heat conduction is bad, heat extraction is not smooth; In addition, above-mentioned electromagnetic heater of the prior art is all difficult to solve the technical barrier that temperature is carried out to accurate control.
Summary of the invention
For overcoming the limitation of prior art, the object of this invention is to provide a kind of high-power water-cooling heat radiation electromagnetic heater and control method thereof.This water-cooling electromagnetic heater and control method good heat dissipation effect thereof, noiselessness, safety durable and intelligent degree are high.
To achieve these goals, the present invention adopts following technical scheme:
A kind of Electromagnetic Heating induction coil of water-cooling electromagnetic heater, described Electromagnetic Heating induction coil is by being with water cold sleeve wire to be entwined, it is characterized in that: described band water cold sleeve wire is wrapped up insulated hull by metal wire, overcoat mozzle forms again, between described mozzle and described insulated hull, forms water stream channel.
Preferably, described mozzle is silicone tube.
Preferably, described insulated hull can be selected from silica gel, insulating varnish or Teflon.
A kind of Electromagnetic Heating induction coil of water-cooling electromagnetic heater, described Electromagnetic Heating induction coil is by being with water-cooled conduit metal tube to be entwined, it is characterized in that: the described hollow metal pipe that is provided with insulating barrier by madial wall with water-cooled conduit metal tube forms the inner formation of described hollow metal pipe madial wall insulating barrier water stream channel.
Preferably, described madial wall insulating barrier can be selected from silicone tube, insulating varnish or Teflon.
Preferably, described Electromagnetic Heating induction coil magnetizes the water of the described Electromagnetic Heating induction coil inside of flowing through.
A kind of water-cooling electromagnetic heater, it comprises above-mentioned Electromagnetic Heating induction coil, storage tank, coolant pump, the water stream channel in described Electromagnetic Heating induction coil is connected to realize the water circulation exchange of described Electromagnetic Heating induction coil and described storage tank with described storage tank by described coolant pump; Described storage tank is provided with temperature detector, condensate tank of dehumidifier, water feed apparatus, spillway and water circulation control module; It is characterized in that: in the time that described temperature detector detects described water storage the temperature inside the box higher than excessive big vast temperature, described water circulation control module is opened described water feed apparatus water inlet, to reduce described water storage the temperature inside the box.
Preferably, when the water temperature in described storage tank is during lower than described excessive big vast temperature, described water circulation control module is closed described water feed apparatus, stops into water.
Preferably, when the water level in described storage tank is during higher than described spillway, by described spillway overflow or extrude unnecessary water.
Preferably, when the water level in described storage tank is during lower than upper limit water level, described water circulation control module is opened described water feed apparatus water inlet, until detect that water level is higher than upper limit water level.
Preferably, when the water level in described storage tank is during lower than lower limit water level, driver module stops to described Electromagnetic Heating induction coil power supply.
Preferably, described water circulation control module is arranged on heat-radiating substrate and described heat-radiating substrate is attached at described storage tank lateral wall.
Preferably, described water-cooling electromagnetic heater is also provided with discharging device.
Preferably, described discharging device is the delivery port of offering on described storage tank, described delivery port with go out water pump and be connected, the position of described delivery port is lower than described spillway.
Preferably, described discharging device is the water solenoid valve that goes out being connected between described Electromagnetic Heating induction coil and described coolant pump.
A kind of control method of water-cooling electromagnetic heater, wherein said water-cooling electromagnetic heater comprises above-mentioned Electromagnetic Heating induction coil, storage tank, coolant pump, the current in described Electromagnetic Heating induction coil lead to the water circulation exchange that is connected to realize described Electromagnetic Heating induction coil and described storage tank by described coolant pump with described storage tank; Described storage tank is provided with temperature detector, condensate tank of dehumidifier, water feed apparatus, spillway and water circulation control module; It is characterized in that: in the time that described temperature detector detects described water storage the temperature inside the box higher than excessive big vast temperature, described water circulation control module is opened described water feed apparatus water inlet, to reduce described water storage the temperature inside the box.
Preferably, when the water temperature in described storage tank is during lower than described excessive big vast temperature, described water circulation control module is closed described water feed apparatus, stops into water.
Preferably, when the water level in described storage tank is during higher than described spillway, by described spillway overflow or extrude unnecessary water.
Preferably, when the water level in described storage tank is during lower than upper limit water level, described water circulation control module is opened described water feed apparatus water inlet, until detect that water level, higher than upper limit water level, closes described water feed apparatus, stops into water.
Preferably, when the water level in described storage tank is during lower than lower limit water level, driver module stops to described Electromagnetic Heating induction coil power supply.
Preferably, in the time that driver module stops to the power supply of described Electromagnetic Heating induction coil, thereby described in the time delay of time-delay closing coolant pump, storage tank exchanges with the water circulation of described Electromagnetic Heating induction coil.
Adopt technique scheme compared with prior art, it has the technological innovation of following several respects:
1, adopt built-in water-cooling heat radiation new technology
The mozzle that forms Electromagnetic Heating induction coil is to adopt food-grade high-purity platinum silicon sulfide sebific duct, the performances such as this silicone tube has stretch-proof, tension force is strong, tearing strength is high, wear-resistant, folding is bent, good bandability, and there is good resilience and long service life, not plasticizer-containing, nonpoisonous and tasteless, good resistance to high/low temperature characteristics (60 ° of C to 280 ° of C) is a kind of high-performance environment protection type flexible pipe.
Adopt this kind of silicone tube to make Electromagnetic Heating induction coil, first, can effectively be close to various difform heating faces, heat-transfer rate is accelerated; Secondly, silicone tube belongs to non-conductive, magnetic conductive material, be close to Electromagnetic Heating induction coil and be not subject to it to produce alternating magnetic field to respond to and generate heat or aging, and silicone tube inner wall smooth, can suppress particle concentration and crust, provide indispensable technical support for realizing Promethean self adaptive magnetic scale algae removal.
2, adopt the full thermal contact conductance technology of cast-type zero-clearance
It is large that Electromagnetic Heating induction coil of the present invention is wound around area, and majority is hemisphere face shape for adapting to the global design of large frying pan product.
Therefore, the gap forming between coil all in various degree there is contact heat resistance, the difficulty of medium contact heat conduction while having increased water-cooled, for this present situation, in design, take comprehensive engagement, the technical scheme of comprehensive heat conduction, utilize heat conductivility and the normal temperature fluidisation cementation characteristic of heat conductive silica gel excellence, the heat conductive silica gel of liquid paste is smeared initiatively, exert pressure and be cast in above-mentioned gap, air in gap is extruded, form the Electromagnetic Heating induction coil of the full contact of zero-clearance and the entire combination cast parts of heat conductive silica gel, realize full contact heat radiation, also solved the reliable connection cementation problem of Electromagnetic Heating induction coil.
3, adopt self adaptive magnetic scale algae removal technology
Silicone tube in Electromagnetic Heating induction coil and cast medium are silica gel material, belong to non-magnetic material, the alternating magnetic field that can not produce Electromagnetic Heating induction coil produces and disturbs, in other words, when in heating work, in Electromagnetic Heating induction coil, mobile water liquid will be placed in the alternating magnetic field that Electromagnetic Heating induction coil produces and produces magnetization effect in the time flowing.Due to after water is magnetized, in the situation that not changing original chemical analysis, there is the variation of angle and length in the chemical bond of hydrone inside simultaneously, hydrogen bond angle is reduced to 103 degree left and right from 105 degree, make the physicochemical properties of water that variation occur, activity and the solubility of water improve greatly, and the calcium carbonate in water is broken down into softer calcium bicarbonate in cool cycles process, is very easily taken away by water; In addition, after magnetization, the polymerization dynamics (surface tension) of water improves, dissolved solids mass-energy is condensed into thinner particle, after particle refinement, distance between two particle diminishes, be subject to the effect of two like magnetic poles repel each other electric field force and be difficult for condensing on wall, thereby realizing self adaptive descaling and antiscaling effect.Meanwhile, because water can improve mineral matter and organic solubility after being magnetized, can prevent separating out and the formation of algae of mineral matter, automatically produce sterilization effect, reach self adaptive algae removal requirement, effectively restrain the algae that sends out of water liquid, avoid the retrogradation of water liquid to cause current not smooth.
The present invention can utilize the Magnetic Field on Water producing in the electromagnetic heater course of work to magnetize, realize heating and carry out with magnetic water simultaneously, do not need to be equipped with for magnetized drinking water specially special magnetizing equipment, both saved equipment investment, save again operating cost and energy resource consumption, and water is accepting in magnetization process, circular flow is crossed Electromagnetic Heating induction coil and can Electromagnetic Heating induction coil be dispelled the heat, play the effect of common electromagnetic heater radiator fan, and radiating effect is better than fan, therefore, the present invention is in solving magnetic water problem, also solve conversely the heat dissipation problem of electromagnetic heater Electromagnetic Heating induction coil, and water pond eddy flow is in the time of Electromagnetic Heating induction coil, and the temperature of water can be heated and progressively be elevated to 70-80 ℃, therefore can kill a part of bacterium, can also serve as hot water for.
When the present invention is magnetized water, because Electromagnetic Heating induction coil is in the operating state (metalware being heated) of heating, therefore while magnetization, Electromagnetic Heating induction coil can be in Light Condition, Electromagnetic Heating induction coil can adopt stronger electric current, the magnetic field intensity producing is large, better magnetization effect.
Water is after water-cooling electromagnetic heater of the present invention is processed, and water quality can be improved significantly, and main manifestations is following aspect:
1, water is after magnetization, there is series of physical and chemical change, hydrogen bond angle becomes 103 ° by 105 °, the originally macromolecular mass of association chain, fragment into less micel (becoming 5-6 subsets by 13-18 original macromolecular mass), the penetration of water, solubility, surface tension strengthen, and CaCO3, the MgCO3 in water generates softer Ca(HCO3 easily decomposing) 2, Mg(HCO3) 2, after drinking, be difficult for accumulating calculus at human body.In addition, after magnetization, the polymerization dynamics (surface tension) of water improves, dissolved solids mass-energy is condensed into thinner particle, after particle refinement, distance between two particle diminishes, be subject to the effect of two like magnetic poles repel each other electric field force and be difficult for condensing on wall, thereby realizing less scaling at storage process.
2, efficiently algae removal of magnetized drinking water, both increased water quality, and extended again the holding time.Theory and experiment confirmation, the algae removal effect of magnetized drinking water can be up to more than 90%.
3, after magnetization, in water, bacterial number obviously reduces, and both increases water quality, and extends again the holding time.Its reason mainly contains 4 points: (1). and under the direct effect in magnetic field, cause water body BOD, the reduction of COD, causes the dead speed of water body heterotroph to be greater than growth rate, so there is negative growth phenomenon; (2). magnetic field force directly acts on water and the enzyme in bacterial cell, makes enzymatic inactivation or inactivation; (3). water pond eddy flow is in the time of Electromagnetic Heating induction coil, and the temperature of water can progressively be elevated to 70-80 ℃, therefore can kill from another point of view a part of bacterium; (4). after water is magnetized, can improve mineral matter and organic solubility, can prevent separating out and the formation of algae of mineral matter, weaken bacterial growth condition, effectively restrain bacterial growth, avoid the retrogradation of water liquid smelly.
For above-mentioned reasons; use after the present invention; can effectively process the water of directly fetching from earth's surface; suppress its bacterial number; efficient algae removal, prevents that its storage process is rotten, fouling, smelly, prevents separating out of mineral matter; extend the water storage time, protect normal work healthy and equipment.
By above technological innovation, the present invention has realized following technique effect:
1, rational in infrastructure, be convenient to install.Electromagnetic Heating induction coil of the present invention is around the disk-like structure forming, and makes Electromagnetic Heating induction coil can adapt to difform heater block and form high identical face with heater block contact.When heater block is while being flat, the Electromagnetic Heating induction coil mating with it is also planar structure, now Electromagnetic Heating induction coil is coiled into plane; In the time that heater block is curved surface, the Electromagnetic Heating induction coil mating with it is also curved-surface structure, now Electromagnetic Heating induction coil is coiled into the plate-like that is corresponding surface structure along shaft section.
2, noiselessness and good heat dissipation effect.The present invention adopts water-cooled to dispel the heat to Electromagnetic Heating induction coil and other electronic heating element, overcoming prior art adopts cooling fan heat radiation to have the limitation that noise is large, power consumption is high, and, adopt cooling fan easily to cause electronic element and control circuit easily to adsorb greasy dirt reduction electric conductivity and the limitation in useful life thereby also overcome; In addition, Electromagnetic Heating induction coil of the present invention makes by heat-conducting glue cementation is into a single integrated structure that radiating efficiency is higher, radiating effect is better, also makes Electromagnetic Heating induction coil connect close and firm more; Again, electronic element and control circuit are attached at storage tank lateral wall bottom by heating panel and make electronic element energy nationality by the water-cooled in storage tank; More inferior, the water inlet of coolant pump is located to storage tank bottom, refluxing opening is located at storage tank top, make hot water in storage tank upper, cold water under, be convenient to hot water for kitchen, also make the radiating effect of Electromagnetic Heating induction coil and other electronic heating element better.
3, high, the safety durable of reliability.The present invention adopts silicone tube as mozzle, and silicone tube has advantages of good insulating, heat conductivility is good, plasticity is strong, Heat stability is good, makes that the Electromagnetic Heating induction coil fail safe of making is good, reliability is high; Meanwhile, Electromagnetic Heating induction coil by heat-conducting glue cementation into a single integrated structure make soft silicone tube be convenient to be fixed into required plate-like and cementation integral, be also beneficial to heat conduction; In addition, the present invention adopts silicone tube as radiating tube, its good insulation preformance, and thermal diffusivity is good, and its material is softer is easy to form difformity, is convenient to bending and arranges and install.
4, intelligent degree is high.The present invention is by regulating the speed of water circulation and the capacity of storage tank to control the radiating rate of Electromagnetic Heating induction coil and other electronic heating element.When Electromagnetic Heating induction coil power is large, heating is when severe especially, accelerates the speed of water circulation, increases the capacity of storage tank, can realize the fast cooling heat radiation of Electromagnetic Heating induction coil and other electronic heating element; In addition, when storage tank water temperature over-high, when the heat radiation that does not reach Electromagnetic Heating induction coil and other electronic heating element requires, the hot water that falls storage tank top by being located at spillway overflow that the water feed apparatus of storage tank bottom supplements cold water and be located at storage tank top, reaches the water temperature reducing in storage tank; In addition, water feed apparatus is that storage tank moisturizing is controlled by water temperature and water level and automatically controls according to water temperature and water level, and intelligent degree is high.
5, capacity usage ratio is high, environmental protection low-carbon (LC).The present invention arranges kitchen priming apparatus on storage tank top, and the hot water bringing that on the one hand water circulation dispelled the heat is used, and by using hot water, supplementary cold water regulates the water temperature of storage tank, further improves radiating effect, environmental protection low-carbon (LC) on the other hand; In addition, on Electromagnetic Heating induction coil, be provided with thermal insulation layer and can prevent from reducing the temperature of heater block because Electromagnetic Heating induction coil dispels the heat, improve the utilance of heat energy.
Accompanying drawing explanation
Fig. 1 is the schematic cross-section of band water cold sleeve wire Electromagnetic Heating induction coil of the present invention.
Fig. 2 is another schematic cross-section with water cold sleeve wire Electromagnetic Heating induction coil of the present invention.
Fig. 3 is the schematic cross-section of band water-cooled conduit metal tube Electromagnetic Heating induction coil of the present invention.
Fig. 4 is the schematic cross-section of another Electromagnetic Heating induction coil of band water-cooled conduit metal tube of the present invention.
Fig. 5 is the connection diagram of Electromagnetic Heating induction coil of the present invention and heater block.
Fig. 6 is the schematic appearance of water-cooling electromagnetic heater the first embodiment of the present invention.
Fig. 7 is the structural representation of water-cooling electromagnetic heater the first embodiment of the present invention.
Fig. 8 is the structural representation of water-cooling electromagnetic heater the second embodiment of the present invention.
Fig. 9 is the structural representation of water-cooling electromagnetic heater the 3rd embodiment of the present invention.
Embodiment
In order to understand better the present invention, below in conjunction with the drawings and specific embodiments, the invention will be further described.
As shown in Figure 1, Electromagnetic Heating induction coil can be entwined by band water cold sleeve wire, band water cold sleeve wire is by metal wire 50 insulating barrier 51 of painting, overcoat mozzle 52 forms again, wherein mozzle 52 is for can be thermal conductive silicon sebific duct, and the passage 53 between mozzle 52 and insulating barrier 51 is water stream channel.
Band water cold sleeve wire as shown in Figure 2, formed by metal wire 54 overcoat mozzles 56, wherein mozzle 56 can be thermal conductive silicon sebific duct, mozzle 56 inside are provided with the dividing wall 55 being connected with mozzle homogeneity and with mozzle, mozzle interior separation is become first passage 57 and second channel 58 by dividing wall 55, wherein metal wire 54 is located in second channel 58, and first passage 57 is water stream channel.
As shown in Figure 3, Electromagnetic Heating induction coil can be entwined by band water-cooled conduit metal tube, this band water-cooled conduit metal tube, by hollow metal pipe 51, is located at the inner insulating layer 50 of hollow metal pipe 51 madial walls, and the external insulation layer 52 of being located at hollow metal pipe lateral wall forms.Diagram inner insulating layer 50 is that the thermal conductive silicon sebific duct that an external diameter and hollow metal bore match forms, and thermal conductive silicon sebific duct is nested in hollow metal pipe 51 inside, heat conductive silica gel pipeline formation water stream channel 53.
Obviously, the each insulating material in Fig. 1-3 or each insulating barrier can also be selected other insulating material such as insulating varnish or Teflon.
In addition, as shown in Figure 4, hollow metal pipe can adopt copper pipe, and its material is softer, and the material of silicone tube is also softer, thereby band water-cooled conduit metal tube can be arbitrarily bending, makes the odd-shaped cross section of the non-circles such as ellipse, thereby adapt to better the various occasions of utilizing.
Electromagnetic Heating induction coil 5 can adopt multiple winding arrangement, and for example its band water cold sleeve is led line or belt water-cooled conduit metal tube and can be from one end to the other side serpentine successively around forming disk-like structure.Also can lead line or belt water-cooled conduit metal tube by two band water cold sleeves and from one end to the other side be side by side serpentine successively around forming disk-like structure.Can also lead line or belt water-cooled conduit metal tube by band water cold sleeve and form disk-like structure along the outside spiral surrounding of a central point.Or lead line or belt water-cooled conduit metal tube by two band water cold sleeves and form disk-like structure side by side and along the outside spiral surrounding of a central point.
In addition, in the present invention, Electromagnetic Heating induction coil winding area is large, and majority is hemisphere face shape for adapting to heater block 1 global design.Therefore, in Electromagnetic Heating induction coil 5, lead with water cold sleeve the gap forming between line or belt water-cooled conduit metal tube, all in various degree there is contact heat resistance, the difficulty of medium contact heat conduction while having increased water-cooled, for this present situation, in the present invention, take comprehensive engagement, the technical scheme of comprehensive heat conduction, utilize heat conductivility and the normal temperature fluidisation cementation characteristic of heat conductive silica gel excellence, the heat conductive silica gel of liquid paste is smeared initiatively, exert pressure and be cast in above-mentioned gap, air in gap is extruded, form the Electromagnetic Heating induction coil of the full contact of zero-clearance and the entire combination cast parts of heat conductive silica gel, realize full contact heat radiation, also solved the reliable connection cementation problem of Electromagnetic Heating induction coil.
Fig. 5 is the connection diagram of Electromagnetic Heating induction coil of the present invention and heater block.As shown in Figure 5, Electromagnetic Heating parts 1, for example electromagnetic oven, electromagnetic stove, electromagnetic cooker, other industrial electromagnetic heating arrangements etc., thereby it utilizes the sympathetic magnetic line of force that Electromagnetic Heating induction coil produces to form electromagnetic eddy heatable substance, and typically, it can be a U-iron matter utensil.The cross section of Electromagnetic Heating induction coil 5 is " U " shape and matches with ferromagnetic material heater block 1 outer bottom, thereby Electromagnetic Heating induction coil 5 coordinates formation electromagnetic eddy heating ferromagnetic material heater block 1 for generation of alternating magnetic field and with ferromagnetic material heater block 1, Electromagnetic Heating induction coil 5 is served as reasons and is led with water cold sleeve the integrative-structure that line or belt water-cooled conduit metal tube 4 is entwined, Electromagnetic Heating induction coil 5 is fixedly installed under ferrous material heater block 1 outer surface by the high-temperature insulation support pad 2 of being located between ferromagnetic material heater block 1 and Electromagnetic Heating induction coil 5, and fastening by restraint zone 3, for improving the heat efficiency of ferrous material heater block 1 and the radiating effect of Electromagnetic Heating induction coil 5, gap between ferrous material heater block 1 and Electromagnetic Heating induction coil 5 is also provided with insulation material layer 6, in the present embodiment, insulation material layer is asbestos packing material, for the shape of Electromagnetic Heating induction coil being mated with ferrous material heater block profile better and being fixed into corresponding shape, be wound in Electromagnetic Heating induction coil 5 processes and adopt heat conductive silica gel cementation to form integrative-structure thereby lead line or belt water-cooled conduit metal tube by band water cold sleeve.
Fig. 6 is the schematic appearance of water-cooling electromagnetic heater the first embodiment of the present invention.As shown in Figure 6, water-cooling electromagnetic heater the first embodiment of the present invention is water-cooling electromagnetic stove, and this electromagnetic stove includes electromagnetic stove pedestal 30, and this electromagnetic stove pedestal is for fixing ferrous material pan 1 and water circulation cooling control system.Drive circuit and control circuit, for controlling and driving Electromagnetic Heating induction coil 5 to work; Drive circuit and control circuit are arranged on heating panel 24 and heating panel 24 is attached at storage tank 19 lateral walls.
Electromagnetic Heating induction coil 5, this Electromagnetic Heating induction coil 5 integrative-structure being entwined with water-cooled conduit metal tube of serving as reasons, wherein stretch out with the two ends of water-cooled conduit metal tube, and two ends 50a, the 50b with the hollow metal pipe in water-cooled conduit metal tube is electrically connected with drive circuit and the control circuit be located on heating panel 24 respectively, with the water stream channel 53(in water-cooled conduit metal tube referring to Fig. 3) two ends 52a, 52b be communicated with water circulation cooling control system respectively and with water circulation cooling control system form water-flow circuit.52a shown in Fig. 6 is water stream channel 53 inlet end, 52b is water stream channel 53 water outlet ends, water stream channel inlet end 52a is communicated with the coolant pump delivery port 21 in storage tank, water stream channel water outlet end 52b is communicated with storage tank refluxing opening 14, makes water stream channel and storage tank form water-flow circuit.Diagram water-cooling electromagnetic stove is also provided with storage tank water inlet 28 and spillway 16, and wherein storage tank water inlet 28 is located at storage tank bottom, and for being communicated with external water source, spillway 16 is located at storage tank top, for the too much water of overflow storage tank.
As shown in Figure 7, wherein water circulation cooling control system includes: storage tank 19 and coolant pump 22, coolant pump water inlet 23 is located at storage tank 19 bottoms, delivery port 21 with water stream channel water inlet 52a(referring to Fig. 6) be communicated with, storage tank refluxing opening 14 be located at storage tank top and with water stream channel delivery port 52b(referring to Fig. 6) be communicated with, make the water of storage tank flow through successively coolant pump water inlet 23, coolant pump delivery port 21, with the water stream channel in water-cooled conduit metal tube and be back to storage tank 19 through storage tank refluxing opening 14.Water circulation cooling control system shown in Fig. 7 also includes temperature detector 18, condensate tank of dehumidifier 17 and water circulation control module 25, and wherein water circulation control module 25, drive circuit and control circuit 26 are all arranged on heat-radiating substrate 24 and this heat-radiating substrate is attached at storage tank 19 lateral wall bottoms.Condensate tank of dehumidifier 17 and temperature detector 18 are located at storage tank inside, are respectively used to detect water storage tank water level and water temperature; Wherein condensate tank of dehumidifier is a level sensor, and temperature detector is a temperature-sensing probe and by data wire, the water temperature recording is sent to water circulation control module 25.Storage tank 19 is also provided with automatic water inflow device 27, for example can adopt the water feed apparatus such as intake pump or water intaking valve, this water feed apparatus is located at storage tank bottom and is communicated with external water source by storage tank water inlet 28, and opening of water feed apparatus 27 controlled by water circulation control module 25 with closing; Water circulation control module 25 works to realize the inner water circulation exchange with storage tank 19 of the described water stream channel with water-cooled conduit metal tube for controlling coolant pump 22, and the opening and closing of the water level recording according to condensate tank of dehumidifier 17 and temperature detector 18 and water temperature control water feed apparatus 27.Storage tank 19 is also provided with spillway 16, and this spillway is located at storage tank top, for the too much water of overflow storage tank.Storage tank 19 is also provided with kitchen priming apparatus, be used to culinary art that water is provided, it comprises make-up water pump 11 and kitchen filler 10, and make-up water pump water inlet 13 is located at storage tank top, delivery port is communicated with kitchen filler 10, and make-up water pump water inlet 13 is positioned at below spillway 16 bottom water horizontal lines.
Take Electromagnetic Heating induction coil operating power as 5KW as example and in conjunction with Fig. 7, describe the course of work of water-cooling electromagnetic heater in detail below:
(1). when Electromagnetic Heating induction coil 5 is started working, thereby startup coolant pump 22 is realized the water circulation exchange of storage tank 19 and Electromagnetic Heating induction coil 5, and wherein the flow of coolant pump 22 is 1.2 liters/min;
(2). detect storage tank 19 water levels and water temperature parameter value, and carry out following operation:
(2.1). the water feed apparatus 27 of being located at storage tank 19 bottoms higher than overflowing when big vast temperature, opening when water temperature, stops to storage tank moisturizing until water temperature when overflowing big vast temperature, is closed water feed apparatus 27 for storage tank moisturizing; Wherein, when water storage tank water level is higher than upper limit water level 12 or arrive when spillway position, by spillway 16 overflows or extrude unnecessary water.
Obviously,, in the time that storage tank upper surface adopts the open architecture communicating with outside atmosphere, due to without pressure, unnecessary water can pass through spillway 16 overflows.And in the time that storage tank upper surface seals, due to the hydraulic pressure of storage tank inside, unnecessary water can extrude from spillway 16 due to intake pressure, thereby can be used, as shown in Figure 8.Obviously spillway 16 also can install the big vast electromagnetically operated valve that overflows additional, and to realize the automatic control to the flood that overflows, this is obviously also in protection scope of the present invention.
The big vast temperature of wherein overflowing is a temperature parameter, can require to set according to the operating power of Electromagnetic Heating induction coil and heat radiation, object is to make when the water in storage tank is when causing water temperature over-high not reach cooling requirement the to Electromagnetic Heating induction coil with Electromagnetic Heating induction coil water circulation, automatically supplement cold water by water feed apparatus, thereby and can overflow hot water reduce the water temperature of storage tank.The excessive big vast temperature of setting in the present embodiment is 60 ℃, also in the time that the water temperature in storage tank reaches 60 ℃, the water temperature over-high in storage tank is described, now water circulation control module 25 automatically to open water feed apparatus 27 be storage tank moisturizing until storage tank water temperature lower than 60 ℃.
(2.2). when storage tank 19 water levels are during lower than upper limit water level 12, start water feed apparatus 27 for storage tank 19 moisturizings are until detect that water level is higher than upper limit water level 12.
(2.3). when storage tank 19 water temperatures are lower than overflowing when big vast temperature, when water level arrives upper limit water level 12, stop into water; When water temperature is higher than overflowing when big vast temperature, water level arrives 12 rear continuation water inlets, and temperature stops into water after declining.Here in order to guarantee that the water level in storage tank remains on upper limit water level 12, though water temperature lower than excessive big vast temperature, water feed apparatus 27 is also opened, until water level is higher than upper limit water level 12.
Wherein, the reason that causes water storage tank water level to decline mainly contains the water natural evaporation (while adopting open architecture as storage tank) in kitchen priming apparatus water and storage tank, can be as shown in Figure 7, on storage tank top, kitchen priming apparatus is set, on the one hand the cooling water circulation hot water bringing is used, pass through on the other hand to use hot water, and supplementary cold water regulates the water temperature of storage tank, further improve the cooling effect of Electromagnetic Heating induction coil.
Equally, also can be as shown in Figure 9, on the pipeline between Electromagnetic Heating induction coil 5 and coolant pump 22, install threeway additional, and connect water solenoid valve 29, can, by opening out water solenoid valve 29, realize on the one hand the cooling water circulation hot water bringing is used, on the other hand by using hot water, and supplementary cold water regulates the water temperature of storage tank, further improve the cooling effect of Electromagnetic Heating induction coil.
(3). when Electromagnetic Heating induction coil 5 quits work, thereby the time delay of time-delay closing coolant pump stops the water circulation exchange of storage tank and Electromagnetic Heating induction coil 5, even if coolant pump continues operation, until water temperature is lower than safe temperature.
For guaranteeing the safety of electromagnetic oven, wherein, in step (2.2) in the time water level being detected lower than lower limit water level 15, thereby the power supply of closing control electronic element and control circuit 26 stops providing power supply for Electromagnetic Heating induction coil 5, because when water level is during lower than lower limit water level 15, illustrate that the water system in storage tank occurs extremely, now force to stop to make Electromagnetic Heating induction coil 5 quit work to prevent that Electromagnetic Heating induction coil 5 from damaging because of overheated for 5 power supplies of Electromagnetic Heating induction coil.
Fig. 8 is the structural representation of water-cooling electromagnetic heater the second embodiment of the present invention.Cancel in this embodiment the kitchen priming apparatus in the first embodiment.And storage tank 19 upper surface sealings, due to the hydraulic pressure of storage tank 19 inside, unnecessary water can extrude from spillway 16 due to intake pressure, thereby can be used.Obviously on spillway 16, also can install the big vast electromagnetically operated valve that overflows additional, to realize the automatic control to the flood that overflows, this is obviously also in protection scope of the present invention.
Fig. 9 is the structural representation of water-cooling electromagnetic heater the 3rd embodiment of the present invention.In this embodiment, cancelled the kitchen priming apparatus in the first embodiment.As an alternative, on the pipeline between Electromagnetic Heating induction coil 5 and coolant pump 22, install threeway additional, and connect water solenoid valve 29, can be by opening out water solenoid valve 29, realize on the one hand the cooling water circulation hot water bringing is used, pass through on the other hand to use hot water, and supplementary cold water regulates the water temperature of storage tank, further improve the cooling effect of Electromagnetic Heating induction coil.
Although the present invention is described by above-mentioned preferred embodiment, its way of realization is not limited to above-mentioned execution mode.Should be realized that in the situation that not departing from purport of the present invention, those skilled in the art can make different variations and modification to the present invention.
Claims (21)
1. the Electromagnetic Heating induction coil of a water-cooling electromagnetic heater, described Electromagnetic Heating induction coil is by being with water cold sleeve wire to be entwined, it is characterized in that: describedly formed by the metal wire overcoat mozzle of tape insulation skin with water cold sleeve wire, between described mozzle and described insulating barrier, form water stream channel.
2. Electromagnetic Heating induction coil according to claim 1, wherein said mozzle is silicone tube.
3. Electromagnetic Heating induction coil according to claim 1, wherein said insulated hull can be selected from silica gel, insulating varnish or Teflon.
4. the Electromagnetic Heating induction coil of a water-cooling electromagnetic heater, described Electromagnetic Heating induction coil is by being entwined with the metal tube of water-cooled conduit, it is characterized in that: the described hollow metal pipe that is provided with insulating barrier by madial wall with water-cooled conduit metal tube forms, described hollow metal pipe madial wall insulating barrier inner face forms water stream channel.
5. Electromagnetic Heating induction coil according to claim 4, wherein said madial wall insulating barrier can be selected from silica gel, insulating varnish or Teflon.
6. according to the Electromagnetic Heating induction coil described in any one in claim 1-5, wherein said Electromagnetic Heating induction coil magnetizes the water of the described Electromagnetic Heating induction coil inside of flowing through.
7. a water-cooling electromagnetic heater, it comprises according to the Electromagnetic Heating induction coil described in any one in claim 1-6, and it also comprises the driver module of the driving Electromagnetic Heating induction coil of electromagnetic heater, storage tank, coolant pump, the water stream channel in described Electromagnetic Heating induction coil is connected to realize the water circulation exchange of described Electromagnetic Heating induction coil and described storage tank with described storage tank by described coolant pump; Described storage tank is provided with temperature detector, condensate tank of dehumidifier, water feed apparatus, spillway and water circulation control module; It is characterized in that: in the time that described temperature detector detects described water storage the temperature inside the box higher than excessive big vast temperature, described water circulation control module is opened described water feed apparatus water inlet, to reduce described water storage the temperature inside the box.
8. the driver module of the driving Electromagnetic Heating induction coil of electromagnetic heater according to claim 7, the heater element peace that it is characterized in that described drive circuit is solid on the heat-radiating substrate of storage tank, heat-radiating substrate is that heat carrier directly contacts with the water of water tank, and be positioned at the below of storage tank lowest water level.
9. water-cooling electromagnetic heater according to claim 7, wherein, when the water temperature in described storage tank is during lower than described excessive big vast temperature, described water circulation control module is closed described water feed apparatus, stops into water.
10. water-cooling electromagnetic heater according to claim 7, wherein when the water level in described storage tank is during higher than described spillway, by described spillway overflow or extrude unnecessary water.
11. water-cooling electromagnetic heaters according to claim 7, wherein when the water level in described storage tank is during lower than upper limit water level, described water circulation control module is opened described water feed apparatus water inlet, until detect that water level is higher than upper limit water level.
12. water-cooling electromagnetic heaters according to claim 7, wherein when the water level in described storage tank is during lower than lower limit water level, driver module stops to described Electromagnetic Heating induction coil power supply.
13. water-cooling electromagnetic heaters according to claim 7, wherein said water-cooling heat radiating device is also provided with discharging device.
14. according to the water-cooling electromagnetic heater described in claim 7,13, and wherein said discharging device is the delivery port of offering on described storage tank, described delivery port with go out water pump and be connected, the position of described delivery port is lower than described spillway.
15. according to the water-cooling electromagnetic heater described in claim 7,13, and wherein said discharging device is the water solenoid valve that goes out being connected between described Electromagnetic Heating induction coil and described coolant pump.
The control method of 16. 1 kinds of water-cooling electromagnetic heaters, wherein said water-cooling electromagnetic heater comprises according to the Electromagnetic Heating induction coil described in any one in claim 1-6, storage tank, the heat-radiating substrate of water tank, coolant pump, the water stream channel in described Electromagnetic Heating induction coil is connected to realize the water circulation exchange of described water-cooling circle and described storage tank with described storage tank by described coolant pump; Described storage tank is provided with temperature detector, condensate tank of dehumidifier, water feed apparatus, spillway and water circulation control module; It is characterized in that: in the time that described temperature detector detects described water storage the temperature inside the box higher than excessive big vast temperature, described water circulation control module is opened described water feed apparatus water inlet, to reduce described water storage the temperature inside the box.
17. control methods according to claim 16, wherein, when the water temperature in described storage tank is during lower than described excessive big vast temperature, described water circulation control module is closed described water feed apparatus, stops into water.
18. control methods according to claim 16, wherein when the water level in described storage tank is during higher than described spillway, by described spillway overflow or extrude unnecessary water.
19. control methods according to claim 16, wherein, when the water level in described storage tank is during lower than upper limit water level, described water circulation control module is opened described water feed apparatus water inlet, until detect that water level is higher than upper limit water level, close described water feed apparatus, stop into water.
20. control methods according to claim 16, wherein when the water level in described storage tank is during lower than lower limit water level, driver module stops to described Electromagnetic Heating induction coil power supply.
21. control methods according to claim 16, wherein in the time that driver module stops to the power supply of described Electromagnetic Heating induction coil, thereby described in the time delay of time-delay closing coolant pump, storage tank exchanges with the water circulation of described water-cooling heat radiating device.
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| CN201310347566.7A CN103841680B (en) | 2012-11-27 | 2013-08-12 | Water-cooling electromagnetic heater and control method thereof |
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| CN2012104895187 | 2012-11-27 | ||
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| CN2012104887547 | 2012-11-27 | ||
| CN 201210488754 CN103002615A (en) | 2012-11-27 | 2012-11-27 | Magnet exciting coil with water-cooled radiation |
| CN201210489518.7 | 2012-11-27 | ||
| CN 201210489091 CN103002614A (en) | 2012-11-27 | 2012-11-27 | Water cooling electromagnetic heating device |
| CN 201210489518 CN102997290A (en) | 2012-11-27 | 2012-11-27 | Electromagnetic heating device with water-cooling heat dissipation function |
| CN201210488754.7 | 2012-11-27 | ||
| CN201310347566.7A CN103841680B (en) | 2012-11-27 | 2013-08-12 | Water-cooling electromagnetic heater and control method thereof |
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