CN106488602A - Microwave heating system - Google Patents

Abstract

The present invention be for be filled with a seal box being heated thing carry out heating processing，It is using microwave modular pressure cladding this seal box of pressurization，And be fixed on shifting apparatus of loopy moving，And by a microwave heating equipment produce microwave with this seal box is heated and this shifting apparatus carry this seal box mobile when，Heated and stirred，Detect this seal box or the temperature of the thing that is heated further through a temperature measurement module，Hyperpyrexia and high pressure can be resisted during the heating of this seal box，Be heated thing not reason internal expansion or vapourss and have the anxiety of leakage，The stirring intensity of thing of being again heated can be and prearranges and translational speed can dynamic control，Make heating more average，Suitable thing stirring number of times and the heating times repeatedly of being heated can be arranged during simultaneity factor design，In System Operation and be dynamically adapted the output of this microwave heating equipment、Heat time heating time、The rotating speed of shifting apparatus、Etc. parameter，Form the temperature control system of loop circuit，Meet the demand of industry heating program.

Description

Microwave heating system

Technical field

The present invention relates to a kind of processing unit (plant) of the thing that is heated and program, more particularly, to one kind is with microwave for heating handss The heating schedule of section and system.

Background technology

Microwave heating technique has been widely used in the fields such as family cooking and industrial processes, because microwave is electromagnetism One kind of ripple, its intensity distributions is by because of factors such as different microwave power generators, resonant cavity and the things that is heated Reciprocal action and change, microwave intensity that thing zones of different of being heated is accepted may difference very big, lead Its local temperature is caused to rise uneven.

For solving aforesaid problem, U.S. Patent Bulletin US7119313B2, US5066503A, US8586899 B2 (calls prior art one～tri- in the following text), has disclosed a microwave heating system, and its thing that is heated is positioned over one and is injected with Accept microwave heating, the thing that is heated will be surrounded by hot water and water vapour in the pressure furnace area of hot water and water vapour, The thing that is therefore heated accepts the conduction heating of microwave induced heating and hot water and water vapour simultaneously, to lower aforementioned office Portion's temperature rises uneven phenomenon, and on the other hand, the thing that will be heated is placed in pressure furnace area and can offset the thing that is heated The outward pressure producing because heating expands, it is to avoid the thing that is heated packs leakage certainly.

Except this, U.S. Patent Bulletin US4808782A (calling prior art four in the following text) then separately discloses a microwave disinfection System, the thing that is heated is sealed in pressure Yu a heat-resisting Heated container for main system, then Heated container is placed in On conveyer belt, heating sterilization is carried out by the microwave oven area of a normal pressure, to improve local temperature and to rise not Equal problem.

The pressure furnace area that prior art one～tri- is adopted has following restriction：

First, system build, operate higher with maintenance cost；Build pressure furnace area need to consider leakage with safe because Element, entering discharging during operation need to have specific decompression program and device, and cost will be a lot of higher than atmospheric operation.

Relevant device and running need to be increased when the 2, building using the second heating medium (hot water or vapor) When will lead to extra waste heat losses.

3rd, the thing that is heated is subject to be dipped among hot water or vapor and be difficult to instant measuring temp, due to cannot Detect thing temperature of being heated, just cannot construction loop circuit temperature control technique sequence, so will make this heating system become Heating system for disposable operation.

Four and because of the temperature controlled ability in system no loop circuit, be heated the heating effect palpus that thing is with respect to microwave Study in advance and be set among technique, once the content of the thing that is heated, volume difference will make processing result inclined From setting.

Additionally, prior art four is although operate at ambient pressure, itself also arrange to have to be directed to the thing partial zones that are heated The mechanism of domain heating, so its work pattern is still the heating system of disposable operation, no loop circuit temperature control Design, be only capable of executing the heating technique prearranged, therefore equally cannot overcome the variation of the thing that is heated.

Can be found by the technology of current exposure, its starting point is all how under conditions of the thing that is heated is fixing Design the system of a uniform heating, one of right micro-wave heating characteristic is high capacity dependency, i.e. heterogeneity The thing that is heated might have extremely significant difference for the effect of microwave heating, even being heated of same type Thing, its water content, volume, weight or even geometry difference all can make to be changed by thermal response, although Make great efforts in advance in the uneven elimination of the temperature by the thing that is heated, once thing content of being heated changes, its result also will It is difficult to expect.

Content of the invention

The main object of the present invention, is to provide a microwave heating system, can solve existing microwave heating The uneven problem of temperature, simultaneity factor has suitable adjustment ability for the content change of the thing that is heated.

Through as known from the above, for reaching above-mentioned purpose, the system of the present invention is to being filled with a sealing being heated thing Box carries out heating processing, and it comprises：One body, the shifting apparatus located at this body, at least one microwave are used Modular pressure, a microwave heating equipment and a temperature measurement module, wherein this microwave modular pressure is used for cladding and adds Press this seal box, and be fixed on this shifting apparatus, and produce microwave with to this by this microwave heating equipment Seal box is heated and when this shifting apparatus carries this seal box and moves, is heated and stir, lead to again Cross this temperature measurement module and detect this seal box temperature.

That is, allow the thing that is heated to take advantage of and be loaded in this seal box, and this sealing of pressurizeing is coated with modular pressure with microwave Box, and with microwave heating and be stirred in continuous moving, mobile in stove in this seal box have repeatedly The chance of stirring, the thing that makes to be heated constantly is shifted one's position, and the thing that is heated making temperature different fully carries out cold and hot exchange, Thereby a stirring mechanism allows the thing itself that is heated directly improve the uneven phenomenon of temperature, this Mechanism concept via mixing Although it is simply but extremely reliable.

Because this seal box leaves microwave modular pressure in, this in vivo and is compressed, therefore can be by process warm Degree rises to the high pressure-temperature scope of more than boiling point to shorten heat time heating time, and on the other hand, the present invention utilizes should After temperature measuring unit directly records this seal box or the temperature of the thing that is heated, this microwave heating equipment can be controlled accordingly Output, transmission speed ... of this shifting apparatus etc., use adjustment and are heated thing heating-up temperature and temperature in stove Degree equilibration time, reaches the temperature controlled purpose in loop circuit, therefore, is achieved enclosed heating schedule, The content effectively overcoming the thing that is heated makes a variation, and the processing temperature of the thing that makes to be heated became and can fit with relative process time When control parameter it is ensured that processing reliability.

Because arrangement of the present invention has multiple temperature measuring unit, the plurality of temperature measuring unit can with independent control and detection, Therefore in heating process, it is able to be recorded for the temperature change of each thing that is heated, thus individual Whether the temperature change of thing of not being heated meets technique needs and becomes traceable item, if necessary in exit Carry out screening action it is ensured that the thing that is heated producing is all qualified products.

The operating condition of the present invention is without other heating medium when normal pressure operation and running simultaneously, therefore permissible Complete industrial microwave heating technique under conditions of safe and economical, system architecture is simple, use safety and one-tenth This is cheap.

Describe the present invention below in conjunction with the drawings and specific embodiments, but not as to the present invention's Limit.

Brief description

Figure 1A, is present system outside drawing；

Figure 1B, is the system appearance figure after the present invention disassembles part sheet metal；

Fig. 2, is cut-away view of the present invention；

Fig. 3, is internal structure of the present invention another angle figure；

Fig. 4, is that schematic diagram is disassembled in the local of microwave modular pressure of the present invention；

Fig. 5, is the sectional view of microwave modular pressure of the present invention；

Fig. 6 A, is the combination assumption diagram of microwave modular pressure of the present invention and track；

Fig. 6 B, is the handstand structure chart of microwave modular pressure of the present invention and track；

Fig. 7, is that the present invention uses flow chart.

Specific embodiment

Detailed description for the present invention and technology contents, now just cooperation brief description is as follows：

Refer to shown in Figure 1A, Figure 1B, Fig. 2, Fig. 3 and Fig. 6 A, be first embodiment of the invention, its For a kind of microwave heating system, for a seal box 10 is carried out with heating processing, its comprise a body 20, One shifting apparatus 30, at least one microwave modular pressure 40, a microwave heating equipment 50 and a temperature measurement module 60, wherein this shifting apparatus 30 are arranged on this body 20, and this shifting apparatus 30 has loopy moving A mobile route, this shifting apparatus 30 can be conveyer belt, refining bar, or other have identical function Device, and have take advantage of carry this at least one microwave modular pressure 40 movement ability, this mobile route tool Have an agitation stroke, this agitation stroke can be selected from upset, vibrations, rotation or a combination thereof any one, And allow this seal box 10 to overturn, shake or to rotate using this agitation stroke and reach the purpose stirring the thing that is heated.

Implement in structure actual, the doubling-up that can concatenate end to end of this shifting apparatus 30 is around at least one rotation On wheel 31, and this rotating wheel 31 is arranged on this body 20 and rotates and thereby drive this shifting apparatus 30 Mobile, the form of rotating wheel 31 can be rotating wheel original place rotation that one is relatively large in diameter, two rotating wheels splitting Form cycle rotation or multiple rotating wheel synergic rotation, and be with two rotation wheel shapes in this specification embodiment Cycle rotation is become to be it to be described, not for specific unique design.

This seal box 10 is used for loading this thing 11 that is heated, and it is micro- that this seal box 10 that filling completes is packaged in this This shifting apparatus 30 will be moved into one by one after ripple modular pressure 40, and mobile with this shifting apparatus 30, often This microwave modular pressure 40 is enclosed in circulation one will be toward one cyclic track of Way out displacement to the last Enclose and leave this microwave heating system, be to switch tracks slant block board 35 (as Figure 1B and Fig. 3 by one in the present invention Shown) guiding and by this microwave another cyclic track of modular pressure 40 displacement.

, this shifting apparatus 30 has four cyclic tracks, this microwave modular pressure 40 taking Figure 1B as a example Four heat cycles tracks will be covered after entering this shifting apparatus 30 in proper order and removed in proper order by exporting, and The number of cyclic track can need to increase or decrease when system builds according to different processing, is not limited to figure Four cyclic tracks in 1B.

This microwave heating equipment 50 has at least one magnetic control module that this seal box 10 is carried out with microwave heating 51 and be arranged on this body 20, and it is located at by this shifting apparatus 30, to hold in this shifting apparatus 30 When carrying the movement of this microwave modular pressure 40, microwave heating is carried out to this seal box 10.In an embodiment, This at least one magnetic control module 51 can be divided between this rotating wheel 31, and is located at this shifting apparatus 30 Top and lower section, this at least one magnetic control module 51 can produce microwave, that is, can be in this shifting apparatus 30 Top and lower section microwave heating is carried out to this seal box 10.

Please refer in the lump shown in Fig. 4, Fig. 5 and Fig. 6 A again, this seal box 10 is heated thing 11 for filling, This microwave modular pressure 40 of the present invention is to comprise a pressure vessel 41 and a pressure cover 42, and is all Made by the transparent material of microwave, such as quartz glass, polypropylene (Polypropylene；PP), poly- second Alkene (Polyethylene；PE), Merlon (Polycarbonate；PC), polystyrene (Polystylene；PS) polytetrafluoro ethylene (Teflon；Polytetrafluoroethylene；PTFE)、 Poly- 4- methylpentene (Polymethylpentene；PMP or can microwave penetration derivative composite wood (Compound) and laminated material (Multilayer) etc., wherein this pressure vessel 41 is to be fixed on this transfer On device 30, and this pressure vessel 41 has an accommodation space 411 of this seal box 10 accommodating, and profit Cover this accommodation space 411 with this pressure cover 42 and compress this seal box 10 simultaneously, this pressure cover 42 can be The mode such as screw lock or padlock is placed on this pressure vessel 41 to cover this accommodation space 411.

The embodiment of this microwave modular pressure 40 can as shown in figs. 6 a and 6b, in order to avoid this pressure Container 41 is come off when overturning with this shifting apparatus 30, and this shifting apparatus 30 can have many each and every one fixation Or clamping device is used for for this pressure vessel 41 being fixed on this shifting apparatus 30, wherein this shifting apparatus 30 Can have multiple barbs 34, this pressure vessel 41 then has a draw-in groove 43 of those barbs 34 corresponding, This pressure vessel 41 can select arbitrary barb 34 to snap in this draw-in groove 43, you can stable fixes this pressure Container 41 is in this shifting apparatus 30.Again for the convenience on making, this pressure vessel 41 can have One pallet 412, this draw-in groove 43 is to be arranged on this pallet 412, and this pressure vessel 41 is inserted by one Pin 44 is fixed on this pallet 412.In addition this temperature measurement module 60 has and is arranged on this body 20 and uses In at least one temperature measuring unit 61 detecting this seal box 10 temperature, this at least one temperature measuring unit 61 is arranged Intersperse among by this mobile route, preferably set location is the position of A, B, C, D and E of being shown in Fig. 2 Put, wherein A be heated thing through top this at least one magnetic control module 51 heating after position, B, C, D For this seal box 10 through upset after and the position after the internal thermal equilibrium of different distance, E be heating Original position, be this seal box 10 and reenter position before microwave heating area, but this at least one The quantity of temperature measuring unit 61 be according to 301 quantity at the carrying of this shifting apparatus 30 depending on, such as this transfer dress When to put at 30 carrying 301 quantity be four, that is, represent this system and there are four cyclic tracks, imply that every One seal box 10 will may exit this shifting apparatus 30 for four times in the circulation of this shifting apparatus 30, therefore This at least one temperature measuring unit 61 in position A, B, C and D respectively respectively for four side by side, measures individually according to this Seal box 10 on 301 at different bearer or its include the temperature of the thing 11 that is heated, so this thing 11 that is heated Move on shifting apparatus 30 and heated temperature change situation can be learnt by detecting.

Separately refer to shown in Fig. 2 and Fig. 3, the top of this shifting apparatus 30 and this magnetic being respectively arranged below Control module 51, its output is all adjustable individually, when this seal box 10 is in the middle of this shifting apparatus 30 Repeatedly heat when, the present invention can detect this seal box 10 of diverse location or its include the temperature of this thing 11 that is heated Degree, uses the heating power of this magnetic control module 51 changing diverse location, realizes the heating temperature of special process Degree stroke curve, reaches optimized heats.

Content due to the thing 11 that is heated of same amount of time processing will not change suddenly, therefore temperature measuring unit 61 Detect temperature changing trend when being heated thing 11 processing it may be appreciated that the appropriateness of current system heating power, And in good time adjust magnetic control module 51 output, make the temperature change of the thing 11 that is heated of heating of being back to back Meet setting.

Furthermore, in order to increase convenience and the accuracy of temperature detection, this temperature measuring unit 61 can use red Can have a temperature sampling plate 46, this temperature sampling plate on outside line temperature-sensing element, and this pressure cover 42 46 can be made by any one material of the transparent plastic cement of infrared ray and quartz glass, this thing 11 that is heated Infrared thermal radiation can directly pass this seal box 10 and by this thermometric list via this temperature sampling plate 46 Unit 61 is detected, thereby obtains the temperature including this thing 11 that is heated；Or this temperature sampling plate 46 can be Made by the good material of temperature conduction, the thing 11 that is heated only can be contacted with every necessary packaging material in technique This temperature sampling plate 46 or by suitable temperature equilibrating conditions, makes the temperature of this temperature sampling plate 46 be enough to Represent the temperature of the thing 11 that is heated, and detected by this temperature measuring unit 61, in other words, this temperature samples When plate 46 is made for the transparent material of infrared ray, this temperature measuring unit 61 can measure the temperature of this thing 11 that is heated Degree；And this temperature sampling plate 46 is when being made by the good material of temperature conduction, this temperature measuring unit 61 is inspection Survey the temperature of this temperature sampling plate 46.

Due to the present invention be for each seal box 10 or its include the thing that is heated and carry out measuring temp, therefore Each temperature change situation in heating process for the thing of being heated is all recordable, can be sentenced one by one according to this record Whether this thing that is heated that breaks meets the temperature change of technique and requires, and being heated thing for not satisfactory this can be in going out Screened, to guarantee the quality of product at mouthful.That is, this at least one temperature measuring unit 61 can be divided Do not record the temperature of this seal box 10, and according to this temperature change, judge whether that screening weeds out.

Additionally, this pressure vessel 41 and this pressure cover 42 more can have multiple perforation 47, the plurality of wear Hole 47 region that this pressure vessel 41 and this pressure cover 42 contacted with the external world can be provided it may be necessary to Pass through the plurality of perforation 47 to contact with seal box 10 by forced airflow or cooling liquid etc., quickly allow and add This seal box 10 that heat completes and the thing 11 that is heated cool.

The doubling-up that can concatenate end to end due to this shifting apparatus 30 is around in formation cycle rotation on rotating wheel 31, And after this seal box 10 immigration shifting apparatus 30, the rotation with this shifting apparatus 30 is progressively moved and changes circulation Track to the last moves on to outlet, and therefore this at least one magnetic control module 51 can be on this shifting apparatus 30 This seal box 10 is heated, and by this at least one temperature measuring unit 61 detection obtain this seal box 10 or It includes the temperature of the thing 11 that is heated so as to temperature value changes meet technique initialization.

The flow chart of the present invention is as shown in fig. 7, the present invention first is first to carry out step S1：Load the thing that is heated, It is that this seal box 10 having been loaded the thing that is heated is filled in this microwave modular pressure 40；Then walked Rapid S2：Pan feeding, is to snap in this microwave modular pressure 40 sliding on this shifting apparatus 30；Then enter Row step S3：Enter the thermal treatment zone, be by this microwave modular pressure 40 by this shifting apparatus 30 shifting It is loaded into the setting area into this at least one magnetic control module 51, to heat to this seal box 10；Then enter Row step S4：Overturn this seal box 10, be using allowing this seal box 10 at least overturn movement once along this Path is moved, and makes this seal box 10 carry out upset mixing and hygral equilibrium；Then carry out step S5：Detection Temperature, is using this at least one temperature measuring unit 61, detect this seal box 10 or its include be heated thing balance after Temperature；Then carry out step S6：Adjustment microwave output power, through S5 learn seal box 10 or its in After temperature changing trend containing the thing that is heated, system is suitably adjusted the output of at least one magnetic control module 51 The thing temperature change of being heated of Continuous maching is made to meet the requirements, the rule of adjustment magnetic control module 51 output can For general pid control law (PID control parameter； Proportional-integral-derivative control) or fuzzy control (Fuzzy Control)；Then carry out step S7 after upset heating through specific times：Discharging is screened, and is to allow this microwave Skidded off on this shifting apparatus 30 with modular pressure 40, and according to each temperature in heating process for the thing of being heated The record of change, judges whether this thing that is heated meets the temperature change of technique and require, for not conforming to one by one This thing that is heated asked, carries out step S8：Bad deletion, gives screening in exit and weeds out, more finally Take out this seal box 10, that is, complete the operation heated.

As described above, the present invention at least has advantages below：

1. this seal box is compressed by this microwave modular pressure, allow this seal box can bear high pressure and not quick-fried Split, because without setting pressure stove area, effectively reducing and building cost, and increase using upper safety.

2. the present invention can allow this microwave modular pressure of microwave penetration and this seal box, makes microwave to this sealing Heating in each region in box, forms quick heat treated.

3. the present invention has stirring mechanism, such as allows using the mobile route of upset this seal box overturn, uses Stir the thing that is heated in this seal box, the thing that makes to be heated is shifted one's position via upset stirring, makes temperature different The thing that is heated carries out cold and hot exchange, reaches the effect of uniform heating, solves the uneven problem of existing microwave heating.

4. aforesaid stirring mechanism, the uniform effect of thing temperature of not only realizing being heated, also realize seal box simultaneously Or it includes the temperature of the thing that is heated and has the characteristic that can be measured, the condition because being heated evenly is set up, then this survey The temperature of warm unit detection just be enough to represent the temperature of all things that is heated the loop circuit temperature control so that follow-up It is carried out.

5. the present invention simultaneously using this at least one temperature measuring unit detect this seal box or its include the temperature of the thing that is heated Degree, detects the output that can adjust magnetic control module after learning this temperature changing trend according to this, makes successively to enter The thing that is heated meet the temperature change of setting after identical cycle-index, reach specific technological requirement and protect Keep steady and determine heats.

6. because the present invention has been for each seal box or it includes the thing that is heated and carries out measuring temp, therefore often One temperature change situation in heating process for the thing of being heated is all recordable, can be judged one by one according to this record The temperature change whether this thing that is heated meets technique requires, and being heated thing for not satisfactory this can be in outlet Place is screened is all qualified product with the thing that is heated guaranteeing to produce.

7. the present invention is loop circuit temperature control, can achieve various heating procedure, produces consistent and measurable Product hence it is evident that improve existing disposable microwave heating system shortcoming, the heating repeatedly that the present invention has Characteristic, can meet different heating process requirements.

8. the present invention has stirring mechanism, does not rely solely on the microwave power of adjustment input or cavity design is Reach the means of homogeneous heating, the thing that makes to be heated is shifted one's position via upset stirring, allow different being heated of temperature Thing carries out cold and hot exchange, reaches the effect of uniform heating, therefore can tie up under conditions of the thing that is heated has variation Hold the effect of homogeneous heating, the variation of this thing that is heated can be the difference of biological tissue's constituent, as meat Fat content ... etc..

9. the present invention is not necessary to set up auxiliary heating medium and external pressure system, accordingly, can reduce setup cost, Meet the demand using.

Therefore the great progressive of the present invention and meet application patent of invention important document, whence file an application in accordance with the law, pray An ancient unit of weight office grants quasi patent early, and true feeling moral is just.

Certainly, the present invention also can have other various embodiments, in the feelings spiritual and its substantive without departing substantially from the present invention Under condition, those of ordinary skill in the art work as and can make various corresponding changes and deformation according to the present invention, but These change accordingly and deform the protection domain that all should belong to appended claims of the invention.

Claims (11)

1. a kind of microwave heating system, for be filled with a seal box being heated thing carry out heating processing, It is characterized in that, comprise：

One body；

One shifting apparatus, this shifting apparatus is arranged on this body, and this shifting apparatus has loopy moving One mobile route, this mobile route has an agitation stroke；

At least one microwave modular pressure, this microwave modular pressure comprises a pressure vessel and a pressure cover, This pressure vessel is fixed on this shifting apparatus, and this pressure vessel has an accommodating sky of this seal box accommodating Between, and cover this accommodation space using this pressure cover and compress this seal box simultaneously；

One microwave heating equipment, this microwave heating equipment has this seal box is carried out with least the one of microwave heating Magnetic control module is simultaneously arranged on this body and is located at by this shifting apparatus, to carry this pressure in this shifting apparatus When container is mobile, microwave heating is carried out to this seal box, by this agitation stroke, this thing that is heated is carried out simultaneously Stirring；And

One temperature measurement module, this temperature measurement module has and is arranged on this body, and is used for detecting this seal box temperature At least one temperature measuring unit.

2. microwave heating system according to claim 1 is it is characterised in that this of this shifting apparatus stirs Mixing stroke is selected from upset, vibrations and any one rotating or a combination thereof.

3. microwave heating system according to claim 1 it is characterised in that this shifting apparatus end to end Concatenation doubling-up is around at least one rotating wheel.

4. microwave heating system according to claim 1 is it is characterised in that this at least one magnetic control module It is divided into the side of this shifting apparatus.

5. microwave heating system according to claim 1 is it is characterised in that this at least one temperature measuring unit Intersperse among by this mobile route.

6. microwave heating system according to claim 5 is it is characterised in that this at least one temperature measuring unit Record the temperature of this seal box respectively, become with the temperature recording this seal box according to this at least one temperature measuring unit Change, judge whether that screening weeds out.

7. microwave heating system according to claim 1 it is characterised in that this shifting apparatus have many Individual barb, this pressure vessel has a draw-in groove of those barbs corresponding.

8. microwave heating system according to claim 7 is it is characterised in that this pressure vessel has one Pallet, this draw-in groove is arranged on this pallet, and this pressure vessel is fixed on this pallet by a latch.

9. microwave heating system according to claim 1 is it is characterised in that this pressure vessel and this pressure Power lid has multiple perforation.

10. microwave heating system according to claim 1 is it is characterised in that set on this pressure cover Put a temperature sampling plate.

11. microwave heating systems according to claim 10 are it is characterised in that this temperature sampling plate is Made by any one of the plastic cement that infrared ray can penetrate and quartz glass material.