CN207410542U - A kind of article heating equipment - Google Patents

Abstract

The utility model provides a kind of article heating equipment, including：Rectification circuit, vacuum tube circuit and oscillating circuit, the rectification circuit are connected with the vacuum tube circuit, and the vacuum tube circuit is connected with the oscillating circuit, and the oscillating circuit includes：First inductor and heater, the heater include the first capacitance and the second inductor, and first inductor and first capacitance are connected in parallel, and first capacitance includes top crown and bottom crown；The top crown is connected by second inductor with one end of first inductor.The utility model generates oscillating current by oscillating circuit, article is heated so as to generate heat, simultaneously, the utility model utilizes vibration, the effect of stabilizing circuit of inductor, first capacitance and the first inductor are electrically connected by the second inductor, so that oscillating circuit reaches resonance, promote oscillating circuit output firm power.

Description

A kind of article heating equipment

Technical field

The utility model is related to electric physical heating field, more particularly to a kind of article heating equipment.

Background technology

In the prior art, to latex product, timber, textile, food when being thermally dried, generally use tradition Heating technique.

Traditional heating technique is mostly instantaneously heated using high temperature, short time heating or superhigh temperature.The heating equipment used mainly divides For indirect heated component and directly heat equipment.In indirect heated component, such as plate heat exchanger, heat medium and material are mutually not Contact, heat exchange is carried out by heat-transfer area.It directly heats in equipment, such as steam jet type heater, hot steam is directly sprayed It penetrates on article, article is made to be rapidly heated.

Traditional heating technique is mainly that article heats by conduction, convection current or radiation, since there are temperature gradient, materials Uneven heating is even, be easy to cause that local heating is excessive, reduces the quality of article.

Utility model content

In view of this, the utility model provides a kind of article heating equipment.

In order to realize above-mentioned purpose of utility model, the utility model provides following technical scheme：

A kind of article heating equipment, including：Rectification circuit, vacuum tube circuit and oscillating circuit, the rectification circuit and institute Vacuum tube circuit connection is stated, the vacuum tube circuit is connected with the oscillating circuit, and the oscillating circuit includes：First inductor And heater, the heater include the first capacitance and the second inductor, first inductor and first capacitance are simultaneously Connection connection, first capacitance include top crown and bottom crown；The top crown passes through second inductor and described first One end connection of inductor.

Optionally, the heater further includes pole plate moving mechanism, and the pole plate moving mechanism includes screw, sliding block, silk Rod driving device and conductive connection tube, the sliding block are arranged on the screw, and the sliding block can edge when the screw rotates The screw movement, one end of the conductive connection tube are arranged on the sliding block so as to be led described in the slip drive of the sliding block Be electrically connected take over movement, and the other end of the conductive connection tube is fixedly connected with one end of second inductor, second electricity The other end of sensor is fixedly connected with the top crown；The screw is connected with the screw rod driving device, the screw driving It is vertical between the top crown and the bottom crown to change that device drives the screw to rotate the drive top crown movement Distance.

Optionally, second inductor is placed vertically, and the both ends of second inductor are conductively connected respectively with described One end of pipe is connected with the top crown, and the other end of second inductor is fixedly connected with the top crown, the conduction The other end of connecting tube is electrically connected with one end of first inductor, and the bottom crown is another with first inductor One end is electrically connected.

Optionally, the top crown and the bottom crown are laid by aluminium square tube, and the conductive connection tube is hollow Metal tube.

Optionally, conveyer belt is provided with above the bottom crown, it is horizontal between the conveyer belt and the bottom crown to be laid with There are multiple dielectrics, the multiple dielectric is separated from each other.

Optionally, the heater further includes shell, and the aluminium sheet for radiation-screening is laid with outside the shell.

Optionally, the heater further includes horizontal fixed plate, and the horizontal fixed plate is fixed in the shell On wall, the bottom of the screw be arranged on the horizontal fixed plate and with the movable connection of the horizontal fixed plate, the water Vertical distance between flat fixed plate and the bottom crown is the first distance.

Optionally, the heater further includes the first conductive sheet and the second conductive sheet, and the top of the shell is by conduction material Material is made, and the top crown is electrically connected by the top of the shell with one end of first inductor, described to be conductively connected Described one end of pipe is electrically connected by first conductive sheet with the top of the shell, and the top crown is led by described second Electric piece is electrically connected with the top of the shell.

Optionally, first conductive sheet and second conductive sheet are thin aluminum sheet.

Optionally, choke coil and the second capacitance are further included in the article heating equipment, the anode of the rectification circuit is defeated Outlet is connected by the choke coil with the cathode output end of the vacuum tube circuit, and the cathode output end of the rectification circuit leads to The choke coil and second capacitance connection are crossed, the cathode output end of the vacuum tube circuit passes through second capacitance and institute State oscillating circuit connection.

The utility model can generate energy by the electric field of oscillating circuit, so as to which the article heated to needs adds Heat, while can be electrically connected the capacitance in oscillating circuit and inductance by inductor, so as to which oscillating circuit be promoted to reach resonance.

Certainly, implement the utility model any product or method it is not absolutely required to and meanwhile reach all the above Advantage.

Description of the drawings

It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described.

Fig. 1 is a kind of article heating equipment structure diagram that the utility model embodiment provides；

Fig. 2 is another article heating equipment structure diagram that the utility model embodiment provides；

Fig. 3 is the structure diagram for the heater that the utility model embodiment provides；

Fig. 4 is the structure diagram for another heater that the utility model embodiment provides；

Fig. 5 is the structure diagram for another article heating equipment that the utility model embodiment provides；

Fig. 6 is the structure diagram for another heater that the utility model embodiment provides.

Specific embodiment

The utility model discloses a kind of article heating equipment, those skilled in the art can use for reference present disclosure, suitably Modified technique parameter is realized.In particular, it should be pointed out that all similar substitutions and modifications are for a person skilled in the art It will be apparent that they are considered as being included in the utility model.The application of the utility model by preferred embodiment into Gone description, related personnel substantially can not depart from the utility model content, in spirit and scope to method described herein and Using being modified or suitably change with combining, to realize and using the utility model technology.

The embodiment of the utility model can include it is a variety of, with reference to one of which embodiment, this reality is expanded on further With new：

As shown in Figure 1, the utility model provides a kind of article heating equipment, can include：Rectification circuit 100, electronics Pipe circuit 200 and oscillating circuit 300, the rectification circuit 100 and the vacuum tube circuit 200 connect, the vacuum tube circuit 200 and the oscillating circuit 300 connect, the oscillating circuit 300 includes：First inductor 310 and heater 320, it is described to add Hot device 320 includes the first capacitance 001 and the second inductor 002, and first inductor 310 and first capacitance 001 are simultaneously Connection connection, first capacitance 001 include top crown and bottom crown；The top crown passes through second inductor 002 and institute State one end connection of the first inductor 310.

Specifically, the input terminal of the article heating equipment is connected with transformer, transformer is three-phase ac transformer, is become The output of depressor is connected with the input terminal of the rectification circuit 100, and it is whole that the rectification circuit 100 can make three-phase using silicon stack The alternating current that transformer exports can be changed into direct current by stream, the rectification circuit 100, what the rectification circuit 100 exported There is the ingredient of alternating voltage in voltage.The oscillating circuit 300 can generate vibration when circuit changes, so that institute 001 output power of the first capacitance is stated, the article heated is heated.The vacuum tube circuit 200 can be by institute The voltage for stating the generation of oscillating circuit 300 is amplified, and provides voltage for the oscillating circuit 300, so that the vibration electricity Road 300 exports stable power.

Specifically, the utility model is vibrated using inductor and capacitor resonance and inductor, the effect of stabling current, It will be connected between the top crown and first inductor 310 by second inductor 002, the vibration can be promoted Circuit 300 reaches resonance.

Specifically, as shown in Figure 1, article 400 can be placed on to the bottom crown of first capacitance 001 in the utility model On the article to be heated,

Specifically, as shown in Fig. 2, electron tube 210, the 3rd capacitance 220 and electricity can be included in the vacuum tube circuit 200 Resistance 230, the oscillating circuit 300 generate vibration, to the voltage of the vacuum tube circuit 200 output vibration, the 3rd capacitance 220 be positive feedback capacitor, and the utility model accesses the 3rd capacitance 220 between the grid anode of the electron tube 210 can be with shape Into positive feedback, then the vacuum tube circuit 200 can utilize the amplification of the electron tube 210 to carry out the voltage of vibration Amplification thereby may be ensured that the oscillating circuit 300 exports firm power.The resistance 230 can be with the 3rd capacitance 220 Partial pressure is formed, so as to control the electric current of the grid of the electron tube 210, to realize amplification work(of the electron tube 210 to electric current Energy.In embodiment provided by the utility model, the mode that water cooling may be employed cools down the electron tube 210, Prevent the fever of electron tube 210 from effectively causing serious loss.

In practical applications, the supply voltage used in the utility model embodiment can be 380V, and the frequency of use can Think 50Hz, maximum power can be 120kW.Supply voltage can export the voltage of 7200V by the boosting of the transformer, The frequency of output is 130kW.The output terminal of the transformer is connected with the rectification circuit 100, can be with after three phase rectifier The voltage of about 10kV is exported, the electric current that the rectification circuit 100 is exported through over commutation includes DC current and alternating current.It is described The voltage that rectification circuit 100 exports is powered for the electron tube 210 in the vacuum tube circuit 200.The rectification circuit 100 exports Electric current in alternating current vibrate oscillating circuit 300, while can make under the action of the vacuum tube circuit 200 320 output power of heater is 85kW, and frequency is the radio frequency of 27MHz, so as to which the article heated to needs heats.

Specifically, the heating equipment floor space that the utility model embodiment uses is small, it is only equivalent specifications legacy system A quarter, save infusion of financial resources.For the utility model embodiment compared with traditional mode of heating, the efficiency of heating surface is high, adds Heat is uniform, wide adaptability, and the damage of the article to needing to heat is small.The utility model is carried out in the article dried to needs simultaneously During heating, regain precise control.

As shown in figure 3, the utility model embodiment additionally provides another article heating equipment, wherein, the heater Pole plate moving mechanism is further included, the pole plate moving mechanism can include screw 003, sliding block 004, screw rod driving device and conduction Connecting tube 005, the sliding block 004 are arranged on the screw 003, and the sliding block 004 can be along institute when the screw 003 rotates It states screw 003 to move, one end of the conductive connection tube 005 is arranged on the sliding block 004 so that the slip of the sliding block 004 The conductive connection tube 005 is driven to move, one end of the other end of the conductive connection tube 005 and second inductor 002 It is fixedly connected, the other end of second inductor 002 is fixedly connected with the top crown；The screw 003 and the screw Driving device connects, and it is described to change that the screw rod driving device drives the screw 003 to rotate the drive top crown movement Vertical range between top crown and the bottom crown.

Specifically, the top crown is connected with the pole plate moving mechanism, so as to which the utility model can pass through the pole Plate moving mechanism changes the position of the top crown to change the vertical range between the top crown and the bottom crown, so as to The utility model can export different power to meet the demand heated to different articles.

Specifically, the set-up mode of the screw 003 can there are many, in a kind of embodiment provided by the utility model Screw 003 can place vertically.The sliding block 004 is provided on the screw 003, the top crown can pass through the cunning Block 004 supports, so as to by the rotation of the screw 003 top crown be driven to move.The utility model can be by described Screw rod driving device drives the screw 003 to rotate to change the vertical range between the top crown and the bottom crown, from And change the output power of the heater 320 to meet to different articles the needs of heating.

Specifically, the screw rod driving device can there are many, such as pulley or chain transmission system can be used to change The position of the top crown illustrates the mode for selecting chain transmission system in the utility model embodiment.

Specifically, as shown in figure 3, chain 006, driving wheel 007 and driven wheel can be included in the screw rod driving device 008, the driving wheel 007 and the driven wheel 008 are connected by the chain 006.The screw 003 can set at least one Root, to being illustrated using a kind of embodiment of two screws in the utility model embodiment, two screws can be symmetrical It sets to connect at the top of the top crown with the heater 320.Two screws 003 wherein screw with it is described 007 movable link of driving wheel in screw rod driving device, another screw in two screws drive with the screw 008 movable connection of driven wheel in device, so as to which the utility model can pass through 008 band of the driving wheel 007 and driven wheel Dynamic two screws rotate to change the top crown and the bottom crown the distance between so that the heater 320 Different power is exported to be heated for different articles.

Meanwhile as shown in figure 3, two screws 003 in above-described embodiment are corresponded to, the conductive connection tube 005 can It is to the detailed of the progress of heater 320 using two conductive connection tubes 005 in the utility model embodiment to include at least one It describes in detail bright

Preferably, diamagnetic material may be employed in the screw 003 or insulating materials is made, to reduce loss, so as to ensure The heater 320 being capable of output high-power.

As shown in figure 3, the utility model embodiment additionally provides another article heating equipment, wherein, second electricity Sensor 002 can be placed vertically, the both ends of second inductor 002 respectively with one end of the conductive connection tube 005 and institute Top crown connection is stated, the other end of second inductor 002 is fixedly connected with the top crown, the conductive connection tube 005 The other end be electrically connected with one end of first inductor 310, the bottom crown is another with first inductor 310 One end is electrically connected.

Preferably, copper bar, conducting electric current may be employed in second inductor 002, it is possible to reduce the loss in circuit, by In needing to connect the conductive connection tube 005 and the top crown, the copper bar of rectangle or chamfering rectangle may be employed.

Specifically, corresponding with two screws 003 in above-described embodiment and two conductive connection tubes 005, this practicality is new Type embodiment using the heater 320 of two the second inductors to being illustrated.

As shown in figure 3, the utility model embodiment additionally provides another article heating equipment, wherein, the top crown It is laid with the bottom crown by aluminium square tube, the conductive connection tube 005 is hollow metal tube.

Specifically, due to electric current have Kelvin effect, i.e., current convergence conductor appearance thin layer, closer to conductor table Face, current density is bigger, and actually electric current is smaller inside conducting wire, as a result makes the resistance of conductor increase, and makes its loss power Increase.Therefore the form system of metal tube laying may be employed in the upper bottom crown of the first capacitance 001 described in the utility model Into the form of tiling or grid may be employed in the form that metal tube is laid.Meanwhile conductive connection tube described in the utility model 005 can also use aluminium square tube, and the Kelvin effect of electric current is suitably hidden with this, makes the heater with the loss for reducing electric current 320 output high-powers.

As shown in figure 3, the utility model embodiment additionally provides another article heating equipment, wherein, the bottom crown Top is provided with conveyer belt 009, between the conveyer belt 009 and the bottom crown can level be equipped with multiple dielectrics 010, the multiple dielectric 010 is separated from each other.

Specifically, the bottom crown is fixed on the bottom of the heater 320, insulation can be laid on the bottom crown and is situated between Matter 010, so as to increase the capacitance of first capacitance 001, the voltage at 001 both ends of the first capacitance is constant, so as to increase State the power of the first capacitance 001 output.

Specifically, article 400 can be placed in the utility model on the bottom crown of first capacitance 001 with by described in Article is heated, and the conveyer belt 009 is provided on the bottom crown, so as to transport object by the conveyer belt 009 Product 400.Due to dielectric insulating properties than air good insulating, so between the conveyer belt 009 and the bottom crown Dielectric 010, which can be provided with, to be increased the capacitance of first capacitance 001 and first capacitance 001 is made to reach suitable described Oscillating circuit 300 reaches the capacitance of resonance.The dielectric 010 can be it is various can be laid on it is exhausted on the bottom crown Edge substance.

As shown in figure 3, the utility model additionally provides another article heating equipment, wherein, the heater can be with Including shell 011, the aluminium sheet for radiation-screening is laid with outside the shell 011.

Specifically, the making of hard aluminium sheet may be employed in the shell 011, thickness can select appropriate thickness by calculating It spends to ensure the electromagnetic pollution caused by the heater 320 in the range of national regulations.The utility model can by Aluminium sheet is laid outside the heater 320, can suitably shield heating installing radiation for caused by.

As shown in figure 3, the utility model additionally provides another article heating equipment, wherein, the heater further includes Horizontal fixed plate 012, the horizontal fixed plate 012 are fixed on 011 inner wall of shell, the bottom of the screw 003 Be arranged on the horizontal fixed plate 012 and with the 012 movable connection of horizontal fixed plate, the horizontal fixed plate 012 with Vertical distance between the bottom crown is the first distance.

Specifically, the screw 003 can be placed vertically, the horizontal fixed plate 012 can be used for supporting the screw 003 bottom.The extreme lower position of top crown movement can be preset in the utility model embodiment, first distance is when described When sliding block 004 is moved downward on the horizontal fixed plate 012, the top crown is moved in the rotation of the screw 003 Extreme lower position.The horizontal fixed plate 012 is arranged on the position away from first distance of bottom crown in the utility model embodiment It puts, the length without making the screw 003 is long, and it is long and generate and significantly rock to avoid the screw 003, increases steady It is qualitative.

As shown in figure 3, another article heating equipment is additionally provided in the utility model embodiment, wherein, the heating Device 320 further includes the first conductive sheet 013 and the second conductive sheet 014, and the top of the shell 011 is made of an electrically conducting material, described Top crown is electrically connected by the top of the shell 011 with one end of first inductor 310, the conductive connection tube 005 Described one end be electrically connected by first conductive sheet 013 with the top of the shell 011, the top crown passes through described Two conductive sheets 014 are electrically connected with the top of the shell 011.

Specifically, since the first capacitance 001 in the heater 320 and first inductor 320 are electrically connected, The top of the heater 320 is needed for conductive material, and first conductive sheet 013 connects institute with second conductive sheet 014 State the top of heater 320 and the top crown.

In practical applications, as shown in figure 4, the first conductive connection tube 015, the can also be included in the heater 320 Two conductive connection tubes 016 and fixed component 017, second conductive connection tube 016 can be fixed by the fixed component 017 The top being arranged in the heater 320, the top crown are connected with first conductive connection tube 015, and described first leads The take over 015 that is electrically connected is connected by second conductive sheet 014 with second conductive connection tube 016, so that the top crown It is connected by 320 top of heater with one end of first inductor 310, the fixed component 017 is conductive.

Specifically, in practical applications, first conductive sheet 013 and second conductive sheet 014 may each comprise to It is one few, it is corresponding with above-described embodiment, it is to using two the first conductive sheets 013 and two second in the utility model embodiment The detailed description that the heater 320 of conductive sheet 014 carries out.Since electric current has Kelvin effect, first conductive sheet 013 and institute It states the second conductive sheet 014 and sheet form may be employed, to hide the Kelvin effect of electric current, so as to ensure first conductive sheet 013 and the utilization rate of second conductive sheet 014, reduce the loss in circuit connection.

Specifically, since the position of the top crown can be moved up and down by the rotation of the screw 003, institute Stating the first conductive sheet 013 and second conductive sheet 014 can deform upon during the top crown moves, therefore described First conductive sheet 013 and second conductive sheet 014 are needed with deformation behavior.

As shown in figure 4, the utility model embodiment additionally provides another article heating equipment, wherein, described first leads Electric piece 013 and second conductive sheet 014 are thin aluminum sheet.

Specifically, since the position of the top crown can be moved up and down by the rotation of the screw 003, institute Stating the first conductive sheet 013 and second conductive sheet 014 can deform upon during the top crown moves, therefore described First conductive sheet 013 and second conductive sheet 014 are needed with deformation behavior.Simultaneously as the Kelvin effect of electric current, described One conductive sheet 013 and second conductive sheet 014 can hide the Kelvin effect of electric current using the form of thin aluminum sheet, reduce electricity The loss of stream, so that the output high-power of the heater.

As shown in figure 5, another article heating equipment is additionally provided in the utility model embodiment, wherein, the article 018 and second capacitance 019 of choke coil is further included in heating equipment, the cathode output end of the rectification circuit 100 is gripped by described Stream circle 018 is connected with the cathode output end of the vacuum tube circuit 200, and the cathode output end of the rectification circuit 100 passes through institute It states choke coil 018 to be connected with second capacitance 019, the cathode output end of the vacuum tube circuit 200 passes through the described second electricity Hold 019 to be connected with the oscillating circuit 300.

Specifically, the choke coil 018 can use inductance coil.The oscillating circuit 300 can generate after generating vibration Oscillating voltage, the utility model can be by oscillating voltages that the choke coil 018 is set to prevent to the rectified current Road and transformer damage, and add the security of circuit.

Specifically, the utility model can be by adding between the vacuum tube circuit 200 and the oscillating circuit 300 Second capacitance 019 separates the direct current that the rectification circuit 200 exports and the oscillating circuit, prevents high voltage direct current will First capacitance 001 punctures, while forms the first capacitance 001 in first inductor 310 and the heater 320 Oscillating circuit.

It as shown in fig. 6, can also be to the top crown in the kind article heating equipment provided in the utility model embodiment Position be monitored, export suitable different articles heating not to facilitate and accurately change the position of the top crown Same power.In practical applications, the distance of the top crown movement such as displacement sensor may be employed so as to obtain in the utility model To the position of the top crown, directly the position of the top crown can also be monitored by range sensor etc..This reality The heater that is provided with stroke measurment component 020 is illustrated in new embodiment.

Specifically, the stroke measurment component 020 can be encoder, corresponding above-mentioned screw rod driving device, this practicality is newly The stroke measurment component 020 in type embodiment can be electrically connected with the screw rod driving device, the stroke measurment component 020 can detect the displacement of the top crown, so as to the upper pole by detecting the transmission of the screw rod driving device The position of plate is adjusted, and is heated with being directed to the different power of different article output.

Specifically, as shown in fig. 6, being also provided with motor 021 in the utility model embodiment, the screw driving fills It puts and can be electrically connected with the conveyer belt 009 with the motor 021, so that the motor 021 drives the screw to drive Device and the conveyer belt 009 are run.It can pass through motor when carrying out article heating using the utility model embodiment The 021 driving conveyer belt transmits the article 400 by being added between the top crown and bottom crown of first capacitance 001 Heat.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, on the premise of the utility model principle is not departed from, several improvements and modifications can also be made, these improve and Retouching also should be regarded as the scope of protection of the utility model.

It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to Non-exclusive inclusion, so that process, product or equipment including a series of elements not only include those elements, but also It further includes other elements that are not explicitly listed or further includes as this process, product or the intrinsic element of equipment. In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element Process, also there are other identical elements in product or equipment.

Each embodiment in this specification is described using relevant mode, identical similar portion between each embodiment Point just to refer each other, and the highlights of each of the examples are difference from other examples.

Claims (10)

1. a kind of article heating equipment, which is characterized in that including：Rectification circuit, vacuum tube circuit and oscillating circuit, the rectification Circuit is connected with the vacuum tube circuit, and the vacuum tube circuit is connected with the oscillating circuit, and the oscillating circuit includes：The One inductor and heater, the heater include the first capacitance and the second inductor, first inductor and described One capacitance is connected in parallel, and first capacitance includes top crown and bottom crown；The top crown by second inductor with One end connection of first inductor.

2. article heating equipment according to claim 1, which is characterized in that the heater further includes pole plate moving machine Structure, the pole plate moving mechanism include screw, sliding block, screw rod driving device and conductive connection tube, and the sliding block is arranged on described On screw, the sliding block can be moved when the screw rotates along the screw, and one end of the conductive connection tube is arranged on institute State on sliding block so that the slip of the sliding block drives conductive connection tube movement, the other end of the conductive connection tube with it is described One end of second inductor is fixedly connected, and the other end of second inductor is fixedly connected with the top crown；The screw It is connected with the screw rod driving device, the screw rod driving device drives the screw to rotate the drive top crown movement to change Become the vertical range between the top crown and the bottom crown.

3. article heating equipment according to claim 2, which is characterized in that second inductor is placed vertically, described The both ends of second inductor are connected respectively with one end of the conductive connection tube and the top crown, second inductor it is another One end is fixedly connected with the top crown, and the other end of the conductive connection tube and one end of first inductor are electrically connected It connects, the bottom crown is electrically connected with the other end of first inductor.

4. the article heating equipment according to Claims 2 or 3, which is characterized in that the top crown and the bottom crown are equal It is laid by aluminium square tube, the conductive connection tube is hollow metal tube.

5. article heating equipment according to claim 4, which is characterized in that conveyer belt is provided with above the bottom crown, Level is equipped with multiple dielectrics between the conveyer belt and the bottom crown, and the multiple dielectric is separated from each other.

6. article heating equipment according to claim 5, which is characterized in that the heater further includes shell, described outer The aluminium sheet for radiation-screening is laid with outside shell.

7. article heating equipment according to claim 6, which is characterized in that the heater further includes horizontal fixed plate, The horizontal fixed plate is fixed on the outer casing inner wall, and the bottom of the screw is arranged on the horizontal fixed plate simultaneously With the movable connection of the horizontal fixed plate, vertical distance between the horizontal fixed plate and the bottom crown for first away from From.

8. article heating equipment according to claim 7, which is characterized in that the heater further include the first conductive sheet and Second conductive sheet is made of an electrically conducting material at the top of the shell, and the top crown passes through the top of the shell and described the One end electrical connection of one inductor, described one end of the conductive connection tube pass through the top of first conductive sheet and the shell Portion is electrically connected, and the top crown is electrically connected by second conductive sheet with the top of the shell.

9. article heating equipment according to claim 8, which is characterized in that first conductive sheet and second conduction Piece is thin aluminum sheet.

10. article heating equipment according to claim 1, which is characterized in that further include and grip in the article heating equipment Stream circle and the second capacitance, the cathode output end of the rectification circuit are defeated by the anode of the choke coil and the vacuum tube circuit Outlet connects, and the cathode output end of the rectification circuit passes through the choke coil and second capacitance connection, the electron tube The cathode output end of circuit is connected by second capacitance with the oscillating circuit.