CN206493510U - A kind of hot pressing die Special electrical heating pipe, electric heating assembly and electric heating system - Google Patents
A kind of hot pressing die Special electrical heating pipe, electric heating assembly and electric heating system Download PDFInfo
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- CN206493510U CN206493510U CN201720083211.5U CN201720083211U CN206493510U CN 206493510 U CN206493510 U CN 206493510U CN 201720083211 U CN201720083211 U CN 201720083211U CN 206493510 U CN206493510 U CN 206493510U
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- hot pressing
- pressing die
- electrical heating
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Abstract
A kind of hot pressing die Special electrical heating pipe of the utility model offer, electric heating assembly and electric heating system, the hot pressing die Special electrical heating pipe, including：Quartzy body and electrical heating wire.Because the quartzy body is the body that a kind of region of ultra-red electromagenetic wave radiation rate is high, absorptivity is high, so, by being powered to the electric heating tube, the electrical heating wire will generate heat, and give off substantial amounts of electromagnetic infrared wave, because the quartzy body can absorb substantial amounts of electromagnetic infrared wave, so, the electrical heating wire can heat the quartzy body in the way of heat radiation.After the temperature of the quartzy body is increased to certain value, substantial amounts of electromagnetic infrared wave can be launched.After hot pressing die absorbs the electromagnetic infrared wave of the substantial amounts of quartzy body transmitting, the temperature of the hot pressing die will be raised.The hot pressing die is heated by using the mode of this infrared electromagnetic radiation, the efficiency of heating surface can be improved, resource can be effectively saved.
Description
Technical field
The utility model is related to hot pressing die electric-heating technology field, and in particular to a kind of hot pressing die Special electrical heating
Pipe, electric heating assembly and electric heating system.
Background technology
It is presently used for the shell of the electric heating tube of mould heating using materials such as carbon structural steels, stainless steel, titanium alloys
Material makes, and in mould heating process, there is substantial amounts of heat energy loss, causes heat energy effectively to utilize.Due to
The constituent of the shell of current electric heating tube is total spoke on the metallic elements such as Cr, Ni, Fe, Ti, its surface normal direction
Penetrate that rate is low, so the utilization rate very little of infra-red radiation heat energy, its heat energy utilization is mainly to heat air in hot pressing die cavity
Medium is to improve internal air temperature, to conduct with being heated in the way of convection current, the thermal energy produced by electrothermal tube nearly more than 90%,
The air dielectric (its mode is medium convection type) in mould poling inside cavity space is heated, but is due to the stream of air dielectric
Dynamic property is than larger, and some thermal energy can be lost in；And act on the heat radiation energy of workpiece, due to radiate with absorb not
Match somebody with somebody, emittance only makees reciprocal, reflection, refraction motion in hot pressing die cavity, the thermal energy of workpiece simply photon with
Obtained in the collision of workpiece, therefore the efficiency of heating surface is low.
The encapsulating material of existing electric heating tube is the electrically insulating material of inorganic electrical insulator, is the non-conductor of heat,
Thermal conductivity factor is very low, and the heat energy of the center thermo electric material of electrothermal tube is determined and largely makes the temperature of inorganic electrical insulator by heat transfer
Successively raise from inside to outside, cause the heat accumulation of the center thermo electric material of electrothermal tube, temperature increases.When temperature is about 500
DEG C when be presented visible ray inside electrothermal tube, electric energy has portion of energy to accompany by the release of visible ray form, and luminous energy is changed into by electric energy,
And visible ray is inoperative for heating, very big inside own loss is caused for middle low-temperature heat.
Also, the temperature of central electrocardio hot material it is high to a certain extent when, the thermo electric material will be breakdown, and whole is scrapped, and is caused
Waste.
From existing electric heater for heating Analysis on Mechanism, electric heating tube is heating air dielectric first, then by air dielectric
Heat hot pressing die.Because air dielectric is during warm-up movement, the high air dielectric of temperature can be floated to above hot pressing die,
So, it can produce temperature pressure difference in hot pressing die, the bottom of the temperature always above hot pressing die on hot pressing die top, and
When heating hot pressing die, its internal temperature difference is smaller, and heating quality is higher, and hot-die is expected with existing electric heating tube
The temperature up and down of tool is consistent, need to use the regular hour, and gradually heating from top to bottom so, could eliminate the upper of hot pressing die
The lower temperature difference, therefore longer soaking time is needed, the demand to temperature of product could be met.So, the heat time will be extended, work
Making efficiency can have a greatly reduced quality.
Utility model content
For defect of the prior art, the utility model provides a kind of hot pressing die Special electrical heating pipe, electrical heating group
Part and electric heating system, to improve the efficiency of heating surface, save resource.
The technical solution adopted in the utility model is：
In a first aspect, a kind of hot pressing die Special electrical heating pipe, including：Quartzy body and electrical heating wire；
The electrical heating wire is arranged on the quartzy inboard wall of tube body；
The electrical heating wire generates heat after powered up, and heats in the way of heat radiation the quartzy body, the quartz ampoule
Body dissipates the heat of acquisition in the way of heat radiation to surrounding.
Optionally, the cross section of the quartzy body is in annular.
Optionally, the quantity of the electrical heating wire is at least one；
When the quantity of the electrical heating wire is a plurality of, it is connected in series between a plurality of electrical heating wire.
Optionally, the electrical heating wire is set along the quartzy inboard wall of tube body with linear or spiral shape.
Optionally, in addition to：Insulating materials is filled with the space of the quartzy tubular body, to prevent the electrical heating
Silk is interconnected to form short circuit.
Second aspect, a kind of hot pressing die Special electrical heating component, including：At least one described electric heating tube, insulation base
Seat, anode terminal and cathode terminal；
It is fixedly connected on the right side of the electric heating tube with the insulating base；
The anode terminal and the cathode terminal are connected with the electrical heating wire in the electric heating tube, and are passed through
The insulating base is leant out on the right side of the insulating base, to connect power supply.
Optionally, the quantity of the electric heating tube is multiple, and the electric heating assembly also includes：Transition piece；
The transition piece is to be connected between conductor, the electrical heating wire in the different electric heating tubes by the transition
Part is connected.
Optionally, at least one magnetic coupling is provided with the left of the insulating base, the insulating base passes through institute
Magnetic coupling is stated removably to be connected with hot pressing die.
Optionally, in addition to：Monitor coil and siren；
The monitoring coil is arranged on the right side of the insulating base, the monitoring coil encircling in the anode terminal or
Around cathode terminal, for monitoring whether the electric heating assembly breaks down；
The siren is electrically connected with the monitoring coil, for sending police when the monitoring coil monitors failure
Report；
Wherein, the siren includes indicator lamp and/or buzzer.
The third aspect, a kind of hot pressing die Special electrical heating system, including：At least one set of electric heating assembly, hot pressing
Mould, dope layer；
The die cavity of the electric heating tube of the electric heating assembly and the hot pressing die is provided adjacent to, so that the electric heating tube
The heat radiation sent is directly radiated to the mold cavity surface of the hot pressing die；
The dope layer is coated in the mold cavity surface of the hot pressing die, and the dope layer is used to improve the hot pressing die
To the absorptivity of electromagnetic infrared wave.
The hot pressing die Special electrical heating pipe provided from above technical scheme, the utility model, including：Quartzy body
And electrical heating wire.Because the quartzy body is the body that a kind of region of ultra-red electromagenetic wave radiation rate is high, absorptivity is high, so,
By being powered to the electric heating tube, the electrical heating wire will generate heat, and give off substantial amounts of electromagnetic infrared wave, due to described
Quartzy body can absorb the electromagnetic infrared wave that the substantial amounts of electrical heating wire is sent, so, the electrical heating wire can be with warm
The mode of radiation heats the quartzy body.After the temperature of the quartzy body is increased to certain value, it will launch a large amount of
Electromagnetic infrared wave.After hot pressing die absorbs the electromagnetic infrared wave of the substantial amounts of quartzy body transmitting, the hot pressing die
Temperature will raise.It therefore, it can heat the hot pressing die using the mode of infrared electromagnetic radiation.By using this
The mode of infrared electromagnetic radiation heats the hot pressing die, heat that the electrical heating wire can be made full use of to send, can be with
Avoid passing through heating air dielectric to heat the thermal losses caused by hot pressing die, and then improve the efficiency of heating surface；It can avoid
Thermal breakdown caused by the rise of electrical heating wire local temperature, and then save resource；Meanwhile, this mode of heating is directly to hot pressing
Mould is heated, and can make hot pressing die heating quickening, and then shortens the heat time, can effectively save the energy.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described.In all of the figs, it is similar
Element or part are general by similar reference mark.In accompanying drawing, each element or part might not be according to actual ratios
Draw.
A kind of structural representation for hot pressing die Special electrical heating pipe that Fig. 1 provides for the utility model；
A kind of structural representation for hot pressing die Special electrical heating component that Fig. 2 provides for the utility model；
A kind of cross section of one electric heating tube of hot pressing die Special electrical heating component that Fig. 3 provides for the utility model
Schematic diagram；
The cross section of the insulating base for hot pressing die Special electrical heating component that Fig. 4 provides for the utility model a kind of shows
It is intended to.
In accompanying drawing, 1 represents that quartzy body, 2 represent that electrical heating wire, 3 represent that insulating materials, 4 represent that insulating base, 5 are represented
Anode terminal, 6 represent that cathode terminal, 7 represent that encapsulant, 8 represent that transition piece, 9 represent that pad, 10 represent fixed
Position device, 11 represent magnetic coupling, and 12 represent that monitoring coil, 13 represent that siren, 14 represent that Embedding Material, 15 represent outer
Shell, 16 represent that fixing bolt, 17 represent that fixing nut, 18 represent that thermal insulation board, 19 represent coil positioning sleeve.
Embodiment
Here, it is to be noted that, function, method that the utility model is related to etc. are only the conventional adaptation of prior art
Using.Therefore, the utility model is substantially the annexation between hardware for the improvement of prior art, rather than for work(
Can, method in itself, namely although the utility model is related to some functions, method, but and not comprising being proposed in itself to function, method
Improvement.The utility model, for the description of function, method, is in order to better illustrate the utility model, preferably to manage
Solve the utility model.
The embodiment of technical solutions of the utility model is described in detail below in conjunction with accompanying drawing.Following examples are only
For clearly illustrating the technical solution of the utility model, therefore example is only used as, and this practicality can not be limited with this
New protection domain.
It should be noted that unless otherwise indicated, technical term or scientific terminology used in this application should be this reality
The ordinary meaning understood with new one of ordinary skill in the art.
Embodiment one
It refer to Fig. 1, a kind of knot for hot pressing die Special electrical heating pipe that Fig. 1 provides for the utility model specific embodiment
Structure schematic diagram.
A kind of hot pressing die Special electrical heating pipe that the present embodiment is provided, including：Quartzy body 1 and electrical heating wire 2；It is described
Electrical heating wire 2 is arranged on the quartzy inwall of body 1；The electrical heating wire 2 generates heat after powered up, and with the side of heat radiation
Formula heats the quartzy body 1, and the quartzy body 1 dissipates the heat of acquisition in the way of heat radiation to surrounding.
The quartzy body 1 a kind of can be formed by main carrier material of silica after high-temperature fusion, tool
There is higher radiance.Total emissivity on its surface normal direction is 0.87-0.94.The resistance to elevated temperatures of quartzy body 1
It is excellent, it is unlikely to deform, the service life of the electric heating tube can be extended.
The material of the electrical heating wire 2 can be the materials such as ferrum-chromium-aluminum system, nickel chromium triangle system, carbon fiber system.The electrical heating wire 2
It is cheap, operating cost can be reduced.
The electric heating tube can be utilized with repeated multiple times, when the cisco unity malfunction of electrical heating wire 2 in the electric heating tube
Afterwards, the electrical heating wire 2 can be changed, the performance of the electric heating tube after the replacing is constant, can work on, so, just
Manufacturing cost can be saved.
After being powered to the electrical heating wire 2, the electrical heating wire 2 will generate heat, and can produce electromagnetic infrared wave, can
To heat the quartzy body 1 by way of heat radiation, after the quartzy temperature of body 1 rise, it can produce substantial amounts of
Electromagnetic infrared wave, will be radiated to surrounding in the way of heat radiation, is sent out when hot pressing die is absorbed to the substantial amounts of quartzy body 1
After the electromagnetic infrared wave gone out, the temperature of the hot pressing die will be raised, and then make product.Heated in the electrical heating wire 2
During the quartzy body 1, it can also include：The quartzy body 1 is heated in thermo-conducting manner.This is also of the present utility model
Within protection domain.
In one embodiment that the utility model is provided, the cross section of the quartzy body 1 can be in annular.As schemed
Shown in 3, therefore, the electromagnetic infrared wave that the quartzy body 1 is launched is annular, and the surrounding of hot pressing die can obtain single-candidate energy
Amount, can improve the uniformity of the electric heater for heating, existing electric heating tube can be avoided to be heated using air dielectric
The uneven phenomenon of caused heating, can be avoided due to heating the problem of not being required to continuous heating, and then when saving heating
Between.
In one embodiment that the utility model is provided, in an electric heating tube, the number of the electrical heating wire 2
Amount is at least one；Can be that series connection connects between a plurality of electrical heating wire 2 when the quantity of the electrical heating wire 2 is a plurality of
Connect or be connected in parallel, all in protection domain of the present utility model.
The utility model provide one embodiment in, the electrical heating wire 2 can along the quartzy inwall of body 1 with
The shapes such as linear, spiral shape are set.As shown in figure 1, the electrical heating wire 2 is arranged on the quartzy body in U-shaped mode
On 1 inwall, the length for the electrical heating wire 2 that the inside of quartzy body 1 is installed can be increased, and then the quartz can be made
Body 1 obtains more heat energy.The electrical heating wire 2 can also be two, and two electrical heating wires 2 are all in yi word pattern, an edge
Installed above the inwall of quartzy body 1, another is installed along below the quartzy inwall of body 1, two electrical heating wires 2
It is connected in series on the left side of the quartzy body 1.This is all in protection domain of the present utility model.
In one embodiment that the utility model is provided, filled with insulation in the space inside the quartzy body 1
Material 3.The insulating materials 3 can be mica sheet, and the electrical heating wire 2 can be prevented to be interconnected to form short circuit, meanwhile,
The heat transfer that can also completely cut off between multiple electrical heating wires 2, can avoid consumption and the local temperature of electrical heating wire 2 of energy
Suddenly caused thermal breakdown is raised.
As shown in figure 1, when a U-shaped electrical heating wire 2 being installed inside the quartzy body 1, the insulating materials 3
Cross section is filled in inside the quartzy body 1 in I-shaped, and the upper end of the drum is partly completely covered described U-shaped sidewards
The opposite side of the U-shaped electrical heating wire 2 is partly completely covered in the side of electrical heating wire 2, the lower end of the drum sidewards, so,
The electrical heating wire 2 can just be completely cut off well, can avoid the electrical heating wire 2 it is unreasonable connection formed partial short circuit or
The overall short circuit of person, the consumption and the local temperature of electrical heating wire 2 that can avoid energy raises caused thermal breakdown suddenly.By this
Mounting means is planted, the electrical heating wire 2 can be made to be close on the inwall of the quartzy body 1, and then electrical heating wire can be made
Heat quickly export, can quickly reduce the temperature of the electrical heating wire 2, and then extend the use longevity of the electrical heating wire 2
Life.
In order to improve the thermal emissivity rate of the electrical heating wire 2, can the electrical heating wire 2 surface coating paint, institute
It can be the material containing trace rare earth oxides or the material with nanometer high radiant rate to state coating.Can also be
The surface of quartzy body 1 coats corresponding coating, to improve radiance and the absorption of the electromagnetic infrared wave of quartzy body 1
Rate.The coating coated on the quartzy surface of body 1 is prepared according to the electromagnetic infrared wave of the electrical heating wire 2 radiation,
The coating coated on the quartzy surface of body 1 can change the absorption peak wavelength of the quartzy body 1, and then increase described
The absorptivity of quartzy 1 pair of electromagnetic infrared wave of body.
Embodiment two
Fig. 2 is refer to, a kind of hot pressing die Special electrical heating component that Fig. 2 provides for the utility model specific embodiment
Structural representation.
A kind of hot pressing die Special electrical heating component that the present embodiment is provided, including：At least one electric heating tube, insulation base
Seat 4, anode terminal 5 and cathode terminal 6.
It is fixedly connected on the right side of the electric heating tube with the insulating base 4；The anode terminal 5 and the cathode connection
Post 6 is connected with the electrical heating wire 2 in the electric heating tube, and through the insulating base 4 on the right side of the insulating base 4
Lean out, to connect power supply.The anode terminal 5 can be firewire binding post, and the cathode terminal 6 can be that zero line connects
Terminal.The anode terminal 5 and the cathode terminal 6 can also be hot terminal and zero line binding post.It is described
Anode terminal 5 and the cathode terminal 6 can be exchanged, all within protection domain of the present utility model.
The material of the insulating base 4 can be ceramics, mica etc., and user's hand can be avoided to touch insulating base 4 and touch
Electricity, can avoid the high temperature of insulating base 4 from scalding user.The shape of the cross section of the insulating base 4 can be elliposoidal, pros
Shape, circle, rectangle etc..
In fig. 2, the electric heating assembly has two or more electric heating tube units, the cross section of the insulating base 4
Shape be similar to elliposoidal, as shown in figure 4, the cross section of described two or multiple electric heating tubes is located just at the insulation base
The position abutted of 4 cross sections of seat.In fig. 2, the surface of emission of the energy stream of the electric heating tube transmitting is hemisphere transmitting, is tossed about
One or more quartzy tube body wall faces that energy stream is closely packed together absorb, and make the quartz of one or more of electric heating tubes
Body 1 produces heat energy, and then improves the initial temperature of one or more of electric heating tubes, can optimize heating environment.It is logical
Cross between the electric heating tube mutually transmitting and absorb heat energy, and then form reciprocal benign cycle, until reach the input of energy with
The balance of consumption, enables to the thermal environment of whole electric heating assembly to be optimized.
In one embodiment that the utility model is provided, the electric heating assembly can also include：Encapsulant 7；Institute
Encapsulant 7 is stated to be used for the insulating base 4 and the electric heating tube being bonded together.The encapsulant 7 can be high
Warm glue, it is ensured that in heating process, can also be fine by the insulating base 4 and the electric heating tube under the condition of high temperature
Ground is bonded together.
In one embodiment that the utility model is provided, when the quantity of the electric heating tube is multiple, the electricity adds
Hot component can also include：Transition piece 8；The transition piece 8 is the electrical heating in conductor, the different electric heating tubes
Connected between silk 2 by the transition piece 8.
Wherein, it can be connected with each other between the transition piece 8 and the electrical heating wire 2 by pad 9, the company
Connecing can be series connection and/or parallel connection.The supply voltage of one electric heating tube can be 110V, when supply voltage is 220V,
When one electric heating assembly is provided with two electric heating tubes, described two electric heating tubes can be connected in series, as shown in Figure 2.
For the electric heating tube of different supply voltage and varying number, multiple electric heating tubes can be carried out in parallel and serial
Combination, this is all within protection domain of the present utility model.
The material of the transition piece 8 can be 4J29 alloys, 4J50 alloys etc..Electricity in the different electric heating tubes
Heater strip 2 can be connected and/or be connected in parallel by the transition piece 8, formed closed circuit, one end of the circuit with
The anode terminal 5 is connected, and the other end is connected with the zero line binding post 6.The anode terminal 5 and cathode terminal 6
Material can be 4J29 alloys, 4J50 alloys etc..
In one embodiment that the utility model is provided, the electric heating assembly can also include：Positioner 10；
The positioner 10 is arranged on the left end of the electric heating tube, for fixing the electric heating tube.The positioner 10 can
To be locating ring, the electric heating tube is entangled just, the material of the positioner 10 can be mica, ceramics etc..By making
With positioner 10, the electric heating tube can be fixed, it is to avoid electric heating tube is rocked.
In one embodiment that the utility model is provided, the left side of the insulating base 4 can be provided with least one
Magnetic coupling 11, the insulating base 4 is removably connected by the magnetic coupling 11 with hot pressing die.
The magnetic coupling 11 can be resistant to elevated temperatures kicker magnet, and the magnetic coupling 11 can have multiple, can be with
It is symmetricly set on the left side of the insulating base 4.Because the hot pressing die is all metal material mostly, connected using the magnetic
The electric heating assembly can be fixed on the hot pressing die by fitting 11 well, and the electric heating assembly can be avoided to exist
Because vibrations, collision produce displacement in equipment operation；Meanwhile, when mould or faulty electric heating assembly, it can be easier to
Remove, compared to the mode for stopping production maintenance in the prior art, it is possible to achieve the online function of exempting from shutdown maintenance, can mitigate
The labor intensity that employee safeguards, quick-replaceable.
In one embodiment that the utility model is provided, the electric heating assembly can also include：Monitor the He of coil 12
Siren 13；The monitoring coil 12 is arranged at the right side of insulating base 4, and the monitoring coil 12 is looped around the anode and connect
Around terminal 5 or cathode terminal 6, for monitoring whether the electric heating assembly breaks down；The siren 13 with it is described
Monitoring coil 12 is electrically connected, for sending alarm when the monitoring coil 12 monitors failure；Wherein, the siren 13 is wrapped
Include indicator lamp and/or buzzer.
The monitoring coil 12 can be magnet ring solenoid, the monitoring coil 12 and the indicator lamp and/or buzzer
A closed-loop path is formed, the curent change of the binding post can be sensed.It is described when the electric heating assembly breaks down
The electric current of binding post will change, and the monitoring coil 12 will produce induced-current due to electromagnetic induction, and then make
The indicator lamp and/or buzzer send fault-signal.In this manner it is achieved that monitoring the electric heating assembly, Ke Yizhi automatically
See instruction to be out of order, be conducive to staff to find failure in time and handle in time, it is ensured that the heating quality of mould.
The electric heating assembly, can also include：Embedding Material 14.The Embedding Material 14 is arranged on the insulating base
4 right-hand members, the anode terminal 5 and cathode terminal 6 pass through the Embedding Material 14, and the Embedding Material 14 can be high temperature
Epoxy resin.
Around the insulating base 4 and Embedding Material 14, it can also include：Shell 15.The shell 15 can be not
Become rusty Steel material, for fixing the insulating base 4 and Embedding Material 14.
In the junction of the insulating base 4 and Embedding Material 14, at least one fixing bolt 16 is also provided with.Institute
Fixing bolt 16 is stated through the Embedding Material 14.The fixing bolt 16 can use carbon steel material.In the fixing bolt
16 right-hand members are provided with corresponding fixing nut 17, and the fixing nut 17 can use quartz material.The He of fixing bolt 16
The fixing nut 17 is used for fixing thermal insulation board 18.The thermal insulation board 18 can be made using mica.The thermal insulation board 18 and institute
State Embedding Material 14 and be separated with a segment distance, the temperature of the thermal insulation board 18 can be avoided to raise.
On the thermal insulation board 18, it can also include：Coil positioning sleeve 19.The coil positioning sleeve 19 is arranged on described
The surrounding of coil 12 is monitored, for the monitoring coil 12 to be fixed on into the thermal insulation board 18.The material of the thermal insulation board 18
It can be stainless steel material.By using thermal insulation board 18, can well by it is described monitoring coil 12 and siren 13 with it is described
Electric heating tube is kept apart, and can avoid the monitoring coil 12 and failure or the damage at high temperature of the siren 13.Institute
The operating temperature for stating monitoring coil 12 and the siren 13 can be 70 degrees Celsius.
Embodiment three
A kind of hot pressing die Special electrical heating system that the present embodiment is provided, including：At least one set of electric heating assembly,
Hot pressing die, dope layer；The die cavity of the electric heating tube of the electric heating assembly and the hot pressing die is provided adjacent to, so that described
The heat radiation that electric heating tube is sent directly is radiated to the mold cavity surface of the hot pressing die；The dope layer is coated in the hot pressing
The mold cavity surface of mould, the dope layer is used to improve absorptivity of the hot pressing die to electromagnetic infrared wave.
The dope layer can be the material containing trace rare earth oxides or with nanometer high radiant rate
Material.The preparation of the coating layer material can be prepared according to the peak value of the heat radiation of the quartzy body 1.By described
The mold cavity surface coating coating of hot pressing die, can make the electromagnetic infrared wave absorption peak and the quartzy body of the dope layer
1 radiation peak reaches a kind of relatively perfect matching.
After being powered to the electric heating assembly, the electrical heating wire 2 just has electric current and flowed through, then, the electrical heating
Silk 2 produces electromagnetic infrared wave and discharges emittance, and the emittance can be absorbed by the quartzy body 1, the quartz
The wavelength for the emittance that body 1 discharges with the electrical heating wire 2 matches, with higher absorption peak.The quartz ampoule
Body 1 is after emittance is absorbed, and its molecule carries out the warm-up movements such as violent reciprocating motion, concussion, rotation, distortion, can produce
Raw that the emittance matched with the dope layer of hot pressing die mold cavity surface is radiated to annular surrounding, the dope layer is fully absorbed
After emittance, the molecule of the dope layer can be caused to carry out the warm-up movements such as strong vibrations, rotation, deflection, resonance, due to applying
The combination of the bed of material and hot pressing die close to Van der Waals force, so, heat radiation and/or heat transfer can be carried out to the hot pressing die
Heating.
Because hot pressing die is metal die, thermal energy conduction soon can be given the metal die by dope layer, so,
The surface temperature of air themperature between the hot pressing die and electric heating assembly relatively electric heating tube, can make electricity
The heat energy of heater strip 2 obtains quick release, and then relatively low technological temperature can be set for electrical heating wire, it is not necessary to set higher
Temperature heat air dielectric, recycle air dielectric heating hot pressing die, it is possible to reduce the output of electric energy, it is possible to reduce heat
Amount loss.
The hot pressing die is heated by means of which, and the thermal conversion efficiency of electric energy can reach 90 or so percent, phase
Than traditional Electric heating, this mode can greatly improve the utilization rate of electric energy, it is possible to reduce the waste of resource.
In summary, a kind of hot pressing die Special electrical heating pipe, electric heating assembly and the electricity that the utility model is provided add
Hot systems have advantages below：
Its heat form of hot pressing die Special electrical heating pipe is in radiant heat transfer mode.Radiant heat transfer, which may be considered, is excited
The energy transmission that the photon (beam) of atom release is carried out, can also regard the energy transmission with electromagnetic wave as.
1. radiance is high, best match absorbs, and improves conduction condition
Hot pressing die Special electrical heating pipe, its surfacing is using SiO2 as main carrier.Constituted after high-temperature fusion a kind of
The quartzy body of high radiant rate.Total emissivity on its surface normal direction is 0.87-0.94, according to the radiation of thin river show gram
Matching theory, by the addition of the mold cavity surface coating trace element to hot pressing die, adjusts its absorption peak wavelength " window ",
(radiation peak wavelength is adjusted between 0.80 μm -2.50 μm) makes its radiation peak ripple with hot pressing die Special electrical heating pipe
Long " window ", reaches a kind of relatively perfect matching.It is special that the coating of the mold cavity surface of hot pressing die fully absorbs hot pressing die
Effective energy between 1.73 μm -12.5 μm of electric heating tube, cause the mold cavity surface coating molecule of hot pressing die judder,
Rotate, deflection, resonance etc. warm-up movement, and coating and hot pressing die combination close to Van der Waals force, optimize heat transfer condition (no
Generation energy level jumps) produce heat energy.Hot pressing die is radiated and conduction heating.
2. penetration is strong (advantage of dope layer)
It is moved through due to the electromagnetic infrared wave produced by hot pressing die Special electrical heating pipe, in heating object surface molecular
Hot photon beam stream enters the deep layer of heating object by the gap produced by molecular motion in journey, while also causing deep layer
The intense vibration of molecule.And the energy fraction obtained by its deep layer molecule, transported according to heating object molecule in heating process
It is dynamic condition, essentially identical with surface on certain thickness, therefore the effect that coating layer surface is heated with internal synchronization can be reached.
3. hot pressing die annular uniform pickup radiation (advantage of shape)
Shown according to the structure of hot pressing die Special electrical heating pipe, the radiation quilt produced by hot pressing die Special electrical heating pipe
Hot pressing die Omnibearing absorbing, and the surface of emission of the energy stream of hot pressing die Special electrical heating pipe transmitting is launched for hemisphere, tosses about
The quartzy body that energy stream is closely packed together again absorbs, and produces heat energy, optimizes thermal environment, and hot pressing die Special electric adds
Energy fraction obtained by heat pipe ring radiation, hot pressing die surrounding is equal, improves the uniformity of heating, accelerates heating speed
Degree, saves the heating-up time.
4. the absorption transformation of visible ray, heat loss are small (advantage of dope layer)
Shown according to the structure of hot pressing die Special electrical heating pipe, the energy part produced by heating wire is with infra-red electromagnetic
Waveshape is sent, and another part is then sent in the form of faint visible ray, is matched somebody with somebody according to the unique formula of hot pressing die coating
Than its performance has the electromagnetic characteristics absorbed between 0.43 μm~0.76 μm.Produced by hot pressing die Special electrical heating pipe
High-energy visible component, is hot pressed die lubricant absorption, is changed into electromagnetic infrared wave heat energy, radiant heating is carried out to mould,
The thermal conversion efficiency of electric energy is improved, and up to 90% or so, and most of energy is hot pressed die lubricant intercepting and capturing, through metal die
It is effectively conducted, cavity temperature relatively hot pressing die Special electrical heating pipe surface temperature causes the heat energy of thermo electric material quick
Release, reduces heat waste.
5. improve heating quality
In summary, energy stream is largely hot pressed mould wall and absorbed and is changed into for heat energy, relative atmospheric medium, heat
Compression mould wall turns into thermal source to influence air dielectric with hot pressing die Special electrical heating pipe.Heating mechanism there occurs the change of matter
Change.Hot pressing die is heated by the air dielectric of former thermal source, air dielectric is changed into as heated material, similarly, air dielectric
Temperature be inevitably less than the temperature of hot pressing die and hot pressing die Special electrical heating pipe, reduce technique initialization temperature (general feelings
The setting of technological temperature is to detect that air dielectric temperature is used as foundation using sensor under condition), the output that reduces electric energy, hot-die
Tool heating is accelerated, and shortens the heat time, has effectively saved the energy, is such as still weighed with conventional technological temperature.
6. repeated multiple times use, service life extension
Due to the characteristic of hot pressing die Special electrical heating tubular construction, its fusing point of quartzy body containing composition 1700 DEG C~
Between 2500 DEG C, chemical property is stable, is not chemically reacted in acid, alkali (titanium alloy overcoat) medium, therefore function decay phase
When faint, on the premise of without external force impact failure, continuously it can use for many years, and wherein rapid wear device ----thermo electric material,
It is convenient and cheap to be changed after its life termination, less than as many as several times of electrothermal tube.
The operation principle of the hot pressing die Special electrical heating system is：
1st, single is 110V only for piezoelectric voltage, and during 220V/380V supply voltages, hot pressing die Special electrical heating pipe is used as string
Connection state.
2nd, hot pressing die Special electrical heating pipe key principle is；A, infra-red radiation matching theory is realized, reach heat energy
Optimum utilization.B, the effective export for realizing heat energy.C, heating element heater lightweight, reduce meaningless energy expenditure.D, installation, dimension
Shield, change, it is simple and easy to apply, realize online production not maintenance shut-downs.
3rd, 110V/220V/380V power supplys import hot pressing die Special electrical heating pipe through binding post, and electric current flows through certain resistance
Thermo electric material, produce electromagnetic infrared wave heat energy release emittance and (mica sheet of light quality used between two strands of thermo electric materials
Isolation), quartzy body that radiant heat energy is matched by close, radiation wavelength, with high-selenium corn peak wavelength absorbs,
Quartz ampoule internal body portion is after heat-source energy is received, and quartzy body molecule is moved back and forth, shakes, rotates, distorted (no
Produce energy level jump) etc. warm-up movement, produce to annular surrounding and radiate the infrared energy that is matched with hot pressing die coating.
4th, in heating process, in order to avoid hot pressing die Special electrical heating tube head does not need the heat of heating part to damage
Consumption, this product employs with quartz glass tube expansion coefficient similar, with low resistance, high conduction performance Embedding Material, with
Thermo electric material is welded to connect, to ensure that head material does not produce heat or produces less heat, it is to avoid head high temperature shape
Into concentrating on radiant heat energy needs the position of heat energy.
5th, in order to ensure that vibrations, the collision that equipment operation is produced will not be subjected in the process of running, hot pressing die is made
Special electrical heating pipe produces displacement and the maintenance when hot pressing die Special electrical heating pipe breaks down is changed succinctly, conveniently,
This product is embedded in the bottom of insulated terminal using heat-resisting kicker magnet, and with mould adhesive, changing maintenance, realization is online to exempt to shut down
Formula.
6th, hot pressing die Special electrical heating pipe, the characteristic having in addition indicates for on-line checking, when hot pressing die is special
Broken down inside electric heating tube, break signal is monitored automatically, guilty culprit is intuitively indicated, is conducive to staff to send out in time
Existing failure, processing in time, it is ensured that the heating quality of mould.
7th, life-time dilatation, it is known that life-span of thermo electric material determined by material surface degree of oxidation, temperature
Higher surface oxidation is more serious, and hot pressing die Special electrical heating pipe is as a result of appeal unique texture, the temperature of thermo electric material
There is significant decline, the operating temperature of thermo electric material is only slightly higher than the temperature of quartz ampoule body, and temperature sinking is low to optimize oxygen
Change environment, the life-span has increased significantly.
Prior art is shown with following defect according to its architectural feature：
1st, internal thermo electric material temperature is high.(short life)
2nd, the powdery encapsulating material bed of material is thick.(being unfavorable for heat derives)
3rd, carbon structural steels, stainless steel, titanium alloy etc materials Infrared Absorption Coefficient are low.(the influence thermal efficiency)
4th, thermal conductivity factor is low.(being unfavorable for heat energy export)
5th, weight is big.(thermal inertia is big, and itself heat absorption is serious, wastes the energy)
6th, powdery encapsulating material Control of Impurities in encapsulation process requires harsh.(inevitably having booster phenomenon)
7th, influenceed serious by packed density.(producing booster, punch-through)
8th, shell temperature capability is poor, and elevated temperature strength weakens.(easily causing to puncture after slightly deforming)
9th, influenceed seriously by voltage pulsation.(especially high voltage, which is easily caused, is split up)
10th, no working condition indicates system, it is necessary to be investigated one by one after shutting down.(influence production efficiency)
11st, install and safeguard inconvenience, need to stop production replacing.(influence production efficiency)
12nd, it is non-renewable to utilize.(causing waste entrainment)
It is compared with the prior art, hot pressing die Special electrical heating pipe is shown with advantages below according to its architectural feature；
1st, thermo electric material is close to quartzy tube wall heat derives rapidly, and thermo electric material temperature is greatly reduced.(life is existing
Technology several times)
2nd, internal structure quality of materials is light, reduces internal self-energy loss.(reduction energy consumption)
3rd, heating mechanism is changed, is changed into by prior art convection current conduction heating based on radiant heating, convection current conduction
Heated condition supplemented by heating.(efficiency of heating surface raising)
4th, hot pressing die special efficient energy saving electric heating pipe heat derives are rapid, and own wt mitigates, and thermal inertia significantly drops
It is low.(being rapidly heated, cool the energy consumption reduction of shortening mould heating-up time)
5th, quartzy body resistance to elevated temperatures is excellent, is unlikely to deform.(increasing the service life)
6th, working state monitoring, instruction.(being easy to safeguard)
7th, online not maintenance shut-downs are realized, are changed.(raising production efficiency)
8th, reproducible utilization, repeated multiple times to use, performance is constant after replacing thermo electric material, and thermo electric material is cheap.
(reduction operating cost)
More than, a kind of hot pressing die Special electrical heating pipe, electric heating assembly and the electrical heating provided for the utility model
System.
In the description of the present application, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, is for only for ease of description the utility model and simplifies description, rather than indicate or imply the device or member of meaning
Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating or implying relatively important
Property or the implicit quantity for indicating indicated technical characteristic.In description of the present utility model, " multiple " are meant that two
More than, unless otherwise specifically defined.
In this application, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition understands concrete meaning of the above-mentioned term in the utility model.
In this application, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are directly contacted, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In specification of the present utility model, numerous specific details are set forth.It is to be appreciated, however, that reality of the present utility model
Applying example can put into practice in the case of these no details.In some instances, known method is not been shown in detail, is
System and technology, so as not to obscure the understanding of this description.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, system, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, specific features, system, material or the feature of description can be with
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff the not be the same as Example or the feature of example and non-be the same as Example or example described in this specification can be entered
Row is combined and combined.
Finally it should be noted that：Various embodiments above is only limited to illustrate the technical solution of the utility model, rather than to it
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type, it all should cover among claim of the present utility model and the scope of specification.
Claims (10)
1. a kind of hot pressing die Special electrical heating pipe, it is characterised in that including：Quartzy body and electrical heating wire；
The electrical heating wire is arranged on the quartzy inboard wall of tube body；
The electrical heating wire generates heat after powered up, and heats the quartzy body in the way of heat radiation, and the quartzy body will
The heat of acquisition is dissipated in the way of heat radiation to surrounding.
2. electric heating tube according to claim 1, it is characterised in that the cross section of the quartzy body is in annular.
3. electric heating tube according to claim 1, it is characterised in that the quantity of the electrical heating wire is at least one；
When the quantity of the electrical heating wire is a plurality of, it is connected in series between a plurality of electrical heating wire.
4. electric heating tube according to claim 1, it is characterised in that the electrical heating wire along the quartzy inboard wall of tube body with
Linear or spiral shape are set.
5. electric heating tube according to claim 1, it is characterised in that also include：In the space of the quartzy tubular body
Filled with insulating materials, to prevent the electrical heating wire to be interconnected to form short circuit.
6. a kind of hot pressing die Special electrical heating component, it is characterised in that including：At least one claim 1 is to claim 5
Electric heating tube, insulating base, anode terminal and cathode terminal described in any one；
It is fixedly connected on the right side of the electric heating tube with the insulating base；
The anode terminal and the cathode terminal are connected with the electrical heating wire in the electric heating tube, and described in
Insulating base is leant out on the right side of the insulating base, to connect power supply.
7. electric heating assembly according to claim 6, it is characterised in that the quantity of the electric heating tube be it is multiple, it is described
Electric heating assembly also includes：Transition piece；
The transition piece is to be connected between conductor, the electrical heating wire in the different electric heating tubes by the transition piece
Connect.
8. electric heating assembly according to claim 6, it is characterised in that at least one is provided with the left of the insulating base
Individual magnetic coupling, the insulating base is removably connected by the magnetic coupling with hot pressing die.
9. electric heating assembly according to claim 6, it is characterised in that also include：Monitor coil and siren；
The monitoring coil is arranged on the right side of the insulating base, and the monitoring coil encircling is in the anode terminal or negative electrode
Around binding post, for monitoring whether the electric heating assembly breaks down；
The siren is electrically connected with the monitoring coil, for sending alarm when the monitoring coil monitors failure；
Wherein, the siren includes indicator lamp and/or buzzer.
10. a kind of hot pressing die Special electrical heating system, it is characterised in that including：At least one set of claim 6 is to claim
Electric heating assembly, hot pressing die, dope layer described in 9 any one；
The die cavity of the electric heating tube of the electric heating assembly and the hot pressing die is provided adjacent to, so that the electric heating tube is sent
Heat radiation be directly radiated to the mold cavity surface of the hot pressing die；
The dope layer is coated in the mold cavity surface of the hot pressing die, and the dope layer is used to improve the hot pressing die to red
The absorptivity of outer electromagnetic wave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720083211.5U CN206493510U (en) | 2017-01-22 | 2017-01-22 | A kind of hot pressing die Special electrical heating pipe, electric heating assembly and electric heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720083211.5U CN206493510U (en) | 2017-01-22 | 2017-01-22 | A kind of hot pressing die Special electrical heating pipe, electric heating assembly and electric heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206493510U true CN206493510U (en) | 2017-09-15 |
Family
ID=59803541
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720083211.5U Expired - Fee Related CN206493510U (en) | 2017-01-22 | 2017-01-22 | A kind of hot pressing die Special electrical heating pipe, electric heating assembly and electric heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206493510U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108521686A (en) * | 2018-06-13 | 2018-09-11 | 安徽省宁国市天成电气有限公司 | A kind of resistance wire liquid heating pipe mounting structure |
| CN108539328A (en) * | 2018-06-13 | 2018-09-14 | 安徽省宁国市天成电气有限公司 | A kind of series resistance silk liquid heater |
| CN108859656A (en) * | 2018-06-13 | 2018-11-23 | 安徽省宁国市天成电气有限公司 | A kind of resistance wire parallel connection heating control system |
| CN108954797A (en) * | 2018-06-13 | 2018-12-07 | 安徽省宁国市天成电气有限公司 | A kind of equal resistance series connection heating control system |
-
2017
- 2017-01-22 CN CN201720083211.5U patent/CN206493510U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108521686A (en) * | 2018-06-13 | 2018-09-11 | 安徽省宁国市天成电气有限公司 | A kind of resistance wire liquid heating pipe mounting structure |
| CN108539328A (en) * | 2018-06-13 | 2018-09-14 | 安徽省宁国市天成电气有限公司 | A kind of series resistance silk liquid heater |
| CN108859656A (en) * | 2018-06-13 | 2018-11-23 | 安徽省宁国市天成电气有限公司 | A kind of resistance wire parallel connection heating control system |
| CN108954797A (en) * | 2018-06-13 | 2018-12-07 | 安徽省宁国市天成电气有限公司 | A kind of equal resistance series connection heating control system |
| CN108859656B (en) * | 2018-06-13 | 2022-02-08 | 安徽省宁国市天成电气有限公司 | Resistance wire parallel heating control system |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20170915 Termination date: 20200122 |