CN100539774C - A micro-wave device structure with constant power output - Google Patents
A micro-wave device structure with constant power output Download PDFInfo
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- CN100539774C CN100539774C CNB2005101091371A CN200510109137A CN100539774C CN 100539774 C CN100539774 C CN 100539774C CN B2005101091371 A CNB2005101091371 A CN B2005101091371A CN 200510109137 A CN200510109137 A CN 200510109137A CN 100539774 C CN100539774 C CN 100539774C
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Abstract
The present invention relates to a kind of a micro-wave device structure with constant power output, be applied to open continuous microwave and handle the material system, its microwave that comprises the open waveguide pipe of at least more than one tool sends a source and a microwave receiving device, wherein, this microwave receiving device has spacing ground correspondence to be arranged at this place, microwave transmission source, whereby, this microwave receiving device sends the load in source as this microwave, the energy of being sent through its openend of waveguide pipe with complete reception, the microwave that makes its openend of waveguide pipe is not when impedance matches, can avoid the phenomenon that causes its power to send, advance the energy output that can effectively reach high stability.In the process of using, under the vicissitudinous situation of impedance that different microwave property materials are produced, the transmission that still can keep the stability microwave energy causes the situation of microwave energy reflection because of load change (being the impedance variation that different microwave property materials are produced) with further eliminating.
Description
Technical field
The present invention relates to a kind of a micro-wave device structure with constant power output, refer to a kind of system that open microwave continuous is handled material that is applied to especially, can under the impedance variation that different microwave property materials are produced, still can keep the transmission of stability microwave energy.
Background technology
The action characteristic of microwave and material is an important material processed technology, it mainly is the material production crystalline phase that acted on is changed or fusion and by the high material penetrability of microwave energy and heat characteristic optionally by microwave energy, the effect that the material that is acted on is evenly acted on inside and outside reaching makes that this technology has been widely used in that material is synthetic, on the purposes such as heating, dry, sintering and welding;
Yet, because in the process of microwave and material effect, this microwave tends to produce bigger difference with the material material difference that is acted on, promptly cause on concrete the application, the transmission of this microwave comes from the material processed process and easily has different size loads, and then causes the output that this microwave energy can't be stable, even when load variation amount is excessive, the part microwave energy is reflected by load end, cause the transmission source of this microwave to be disturbed and damage; Therefore, further in microwave processing system, set up a gyrator (Circulator) with by pass mechanism as reflected energy; But this gyrator only is sent to the reflected energy guiding in the water (load) on using, and disturbs the transmission source of damaging microwave to avoid reflected energy, and then causes this microwave action also to reduce in the energy of material processed relatively, causes the whole efficient of using low;
In addition, again in general prior art, a kind of effect with microwave and material is disclosed, be applied in the cavity of a closed, with by the set microwave absorbing bulk of this inside cavity after absorbing microwave energy, in order to the heating as indirect of the material that acted on, and it avoids microwave energy to expose, and improves the effect of its Microwave Treatment; But be applied in the cavity of closed, often can only carry out the Microwave Treatment of batch to the material that is acted on, can't carry out the Microwave Treatment of continous way to the material that is acted on, cause to be not suitable for being applied to a large amount of processing procedures (promptly easily causing manpower and waste of time);
Thus, how above-mentioned shortcoming is forgone, provide a kind of microwave that makes to reduce for its load change of material processed process, reach firm power output and processed continuously effect, be the technological difficulties place that the present invention solves, therefore develop a kind of a micro-wave device structure with constant power output.
Summary of the invention
Main purpose of the present invention is to provide a kind of a micro-wave device structure with constant power output, be applied to open material continuous microwave treatment system, its microwave that comprises the open waveguide pipe of at least more than one tool sends a source and a microwave receiving device, wherein, this microwave receiving device is provided with corresponding to the mode that this microwave sends the source so that spacing ground to be arranged, whereby, this microwave receiving device sends the load in source as this microwave, the energy of being sent through its openend of waveguide pipe with complete reception, make its at the microwave of its openend of waveguide pipe when impedance does not match, the phenomenon that its power can't be sent can be avoided taking place, and then the energy output of tool high stability can be effectively obtained.The process of using in other words, even under the impedance variation that is produced because of different microwave property materials, the situation that causes the microwave energy reflection because of load change (being the impedance variation that different microwave property materials are produced) is further got rid of in the transmission that still can keep the stability microwave energy simultaneously.
Moreover, secondary objective of the present invention be can be further with this microwave receiving device received not by the energy of absorbed, import in the microwave heating cavity,, effectively improve the utilance of this microwave energy with the effect that provides pending material to carry out preheating in advance in real time.
Specifically, a kind of power output provided by the invention stable, be applied to the microwave device that open microwave continuous is handled the material system, it is characterized in that it comprises:
At least one microwave with open waveguide pipe sends the source;
One microwave receiving device, there is spacing ground to send the corresponding setting in source with this microwave, it comprises a microwave receiver, waveguide pipe and microwave heating cavity, this microwave receiver is that the body by a hollow taper is constituted, it has first port and second port, this first port has spacing ground to send the openend of the waveguide pipe in source corresponding to this microwave, and the bore at this first port is greater than the bore of the openend of the waveguide pipe in this microwave transmission source, and waveguide pipe and this microwave heating cavity that this second port connects this microwave receiving device are conducted.
Described microwave sends the source and can be rearranged by transmission source more than; The bore at first port of described microwave receiver is greater than the bore at this second port; The inside of described heating cavity has at least one by the microwave susceptible material, carborundum for example, the microwave applicator that is constituted.
Description of drawings
Fig. 1 is wave device structure configuration of the present invention and uses schematic diagram.
Fig. 2 is a wave device structure Application Example schematic diagram of the present invention.
Fig. 3 A is that loss influences resolution chart to wave device structure of the present invention for microwave energy transfer.
Fig. 3 B is that loss influences resolution chart to wave device structure its spacing of the present invention for microwave energy transfer.
Fig. 4 is that wave device structure of the present invention and prior art wave device structure are tested comparison chart for microwave energy transfer loss influence.
Fig. 5 A is that wave device structure of the present invention is for microwave energy reflection measurement figure.
Fig. 5 B is that wave device structure of the present invention is for the microwave energy transfer resolution chart.
The drawing reference numeral explanation: 1 microwave sends the source; 11 waveguide pipe; 111 openends; 2 microwave receiving devices; 21 microwave receivers; 211 first ports; 212 second ports; 22 waveguide pipe; 23 microwave heating cavitys; 231 perforates; 232 microwave applicators; The A test piece.
Embodiment
For the effect of conveniently understanding further feature content of the present invention and advantage quickly and easily and reached can more manifest, the present invention is described in detail as follows conjunction with figs.:
(seeing also shown in Figure 1) the invention provides a kind of a micro-wave device structure with constant power output, is applied to open continuous microwave and handles the material system, and it comprises:
The microwave of the open waveguide pipe 11 of at least more than one tool sends source 1;
One microwave receiving device 2 has spacing ground correspondence to be arranged at this microwave and sends source 1, and it comprises a microwave receiver 21, waveguide pipe 22 and microwave heating cavity 23; This microwave receiver 21 is that the body by a hollow pyramidal (as: trapezoidal etc. form) is constituted, to form first bigger port 211 of a bore and the second less port 212 of a bore, and make this first port 211 have spacing ground to send the openend 111 of the waveguide pipe 11 in source 1 corresponding to this microwave, and relative bore greater than these waveguide pipe 11 its openends 111, and this second port 212 is conducted with this microwave heating cavity 23 by this waveguide pipe 22, and this microwave heating cavity 23 has a pair of perforate 231 relatively on its two relative sidewalls, as the opening of pending material turnover microwave heating chamber, its inside has at least more than one microwave applicator 232 that is made of microwave susceptible material (as: carborundum);
Whereby, promptly can this microwave receiving device 2 send the load in source 1 as this microwave, make its this microwave send source 1 when sending microwave energy (shown in dotted arrow), can be by the bore at first port 211 of this microwave receiver 21 greater than the bore of the openend 111 of this waveguide pipe 11, the microwave energy of being sent through the openend 111 of waveguide pipe 11 with effective complete reception, advance the microwave energy that to get rid of when the openend 111 of waveguide pipe 11 and produce impedance when not matching, cause its power to send smoothly phenomenon, and then effectively reach the energy output of tool high stability; Secondly, further seeing through this microwave receiver 21 again can be with received microwave energy, deliver in this microwave heating cavity 23 through waveguide pipe 22, make the microwave applicator 232 of these microwave heating cavity 23 inside, absorb the heat that this microwave energy produces temperature rise, the effect mechanism as preheating in advance can be provided;
(please cooperate consult shown in Figure 2) is Application Example schematic diagram of the present invention, wherein, one test piece (promptly treat continuous microwave handle material) A can be placed this microwave to send 211 at first port of the microwave receiver 21 of the openend 111 of waveguide pipe 11 in source 1 and this microwave receiving device 2, and the volume that makes this test piece A is relatively less than the bore at this first port 211, the process of using, when microwave energy produces than big-difference because of the microwave property (load) of test piece A is different, can receive this energy that is not absorbed via this microwave receiver 21 by test piece A, use and guarantee that microwave energy does not cause reflection by 11 outputs of open waveguide pipe, so, by these microwave receiver 21 these microwave energies of complete reception (coupling), it is applied on the open continuous material treatment process, not only effectively avoid leaking outside of energy, the power output that more can provide this microwave to send source 1 remains in stability state, getting rid of, and cause this microwave to send the shortcoming that damage is disturbed in source 1 because of the energy reflection that load change was produced;
Its above-mentioned one actual test implementation example, be to make when testing under the condition of (frequency that this microwave sends source 1 both spacings of openend 111 that to be 2.45GHz, this first port 211 send the waveguide pipe 11 in source 1 with this microwave are that the bore width at 3 centimetres and this first port 211 is greater than 60 centimetres), (as shown in Figure 3A) can know to see and know, the present invention can reach the transmission of stability microwave energy really, makes the loss of its microwave energy transfer can remain in below the 3dB; Secondly (shown in Fig. 3 B) also can know to see and know that the present invention can all can remain on the loss below the 6dB in 5 centimetres spacing, makes it in test piece A (general thickness is below 1 centimetre) processings, and its spacing of 5 centimetres enough applies in the product of reality; Add that again it is to rearrange more than one that the present invention can further set up this microwave transmission source 1, not only can handle bigger test piece A relatively, also can improve the characteristic that its microwave energy transmits relatively, the situation of its actual test (as shown in Figure 4);
Simultaneously, its above-mentioned another actual test implementation example, be to make that (both spacings of openend 111 that this first port 211 and this microwave send the waveguide pipe 11 in source 1 are 20 centimetres, and this microwave sends the frequency in source 1 and the bore of this first port 211 is a fixed value) condition under when testing, be that test piece A with different-thickness is placed in the spacing, use the dielectric constant (as: K value) and dielectric absorption (as: Q value) that change this test piece A respectively, the situation of its actual test is (as Fig. 5 A, shown in Fig. 5 B), in its diagram, S11 is the microwave energy of reflected back waveguide pipe 111, S21 is the microwave energy that transfers to this microwave receiver 21, can know to see and know, microwave energy can be absorbed by this test piece A, show that promptly the present invention can improve the microwave energy absorption effect of this test piece (promptly treating the material of Microwave Treatment) A, reach the effect of avoiding because of microwave energy that load change causes reflection simultaneously;
Moreover (please cooperate again consult shown in Figure 2), the present invention further sees through this microwave receiver 21 again can be with received by test piece A microwave energy absorbed, deliver in this microwave heating cavity 23 through waveguide pipe 22, make the microwave applicator 232 of its these microwave heating cavity 23 inside, in absorbing the heat that this microwave energy produces temperature rise, can be used as the effect mechanism of pending test piece A one preheating in advance, promptly provide this test piece A before handled by microwave action, when can run through conveying via two perforates, 231 works one of this microwave heating cavity 23, produce the heat of temperature rise to see through this microwave applicator 232, make this test piece A increase phenomenon because of the raising of temperature produces its dielectric absorption, and then improve this test piece A its microwave energy absorption rate in the microwave action processing procedure, and then tool fills a part benefit of using microwave energy;
Therefore, goal of the invention of the present invention and technical characterictic, it is the energy absorption load that sends source 1 with this microwave receiving device 2 as the microwave of the open waveguide pipe 11 of this tool, make the effect of its microwave receiver that sees through this microwave receiving device 2 21 just like microwave antenna, advance effectively to receive microwave energy, reduce for the load change of this test piece A in microwave processing process, and it uses simple structure to form, can reach firm power output with can processed continuously characteristics; Simultaneously, can will do not imported this microwave heating cavity 23 again, so that pending test piece A is carried out The pre-heat treatment, and then reach and fill a part benefit of using microwave energy by test piece A institute microwave energy absorbed.
(the non-invention characteristics of the present invention of the architectural feature of the conveying of this test piece A, so its thin bilge construction will not be given unnecessary details in this, test piece A is the test piece for the treatment of Microwave Treatment).
For making the present invention show its progressive and practicality more, to do a comparative analysis as follows with prior art now:
The shortcoming of prior art:
1. complex structure need have additional a gyrator (Circulator) with the by pass mechanism as reflected energy.
2. this microwave action reduces relatively in the energy of material processed, causes the whole efficient of using low.
3. use the closed microwave system, can't carry out the Microwave Treatment of continous way the material that is acted on.
4. cause and be not suitable for being applied to a large amount of processing procedures (promptly easily causing manpower and waste of time).Advantage of the present invention:
1. can be applicable to an open continuous microwave and handle the material system.
2. structure is formed simple.
3. can reach stable output of microwave power and the reflection of getting rid of energy.
4. can use the mechanism of dump energy (the not microwave that is absorbed by material) as The pre-heat treatment.
5. tool fills a part benefit of using microwave energy.
Above-listed detailed description is specifying at a possible embodiments of the present invention; this embodiment is not in order to limit claim protection range of the present invention; and allly do not break away from the equivalence that the technology of the present invention spirit does and implement or change, all should be contained in the claim scope of the present invention.
Claims (7)
1. an a micro-wave device structure with constant power output is applied to open microwave continuous and handles the material system, it is characterized in that it comprises:
At least one microwave with open waveguide pipe sends the source;
One microwave receiving device, there is spacing ground to send the corresponding setting in source with this microwave, it comprises a microwave receiver, waveguide pipe and microwave heating cavity, this microwave receiver is that the body by a hollow taper is constituted, it has first port and second port, this first port has spacing ground to send the openend of the waveguide pipe in source corresponding to this microwave, and the bore at this first port is greater than the bore of the openend of the waveguide pipe in this microwave transmission source, and waveguide pipe and this microwave heating cavity that this second port connects this microwave receiving device are conducted.
2. a kind of a micro-wave device structure with constant power output as claimed in claim 1 is characterized in that, this microwave sends the source and rearranged by transmission source more than.
3. a kind of a micro-wave device structure with constant power output as claimed in claim 1 is characterized in that the bore at this first port is greater than the bore at this second port.
4. a kind of a micro-wave device structure with constant power output as claimed in claim 1, it is characterized in that this microwave heating cavity has a pair of perforate on its two relative sidewalls relatively and inside has the microwave applicator that at least one is made of the microwave susceptible material.
5. a kind of a micro-wave device structure with constant power output as claimed in claim 4 is characterized in that, this microwave susceptible material is a carborundum.
6. a kind of a micro-wave device structure with constant power output as claimed in claim 1 is characterized in that, between the openend of the waveguide pipe in this first port and this microwave transmission source test piece is set.
7. a kind of a micro-wave device structure with constant power output as claimed in claim 6 is characterized in that, this test piece is a material for the treatment of Microwave Treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101091371A CN100539774C (en) | 2005-10-18 | 2005-10-18 | A micro-wave device structure with constant power output |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101091371A CN100539774C (en) | 2005-10-18 | 2005-10-18 | A micro-wave device structure with constant power output |
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| Publication Number | Publication Date |
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| CN1953624A CN1953624A (en) | 2007-04-25 |
| CN100539774C true CN100539774C (en) | 2009-09-09 |
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| CNB2005101091371A Active CN100539774C (en) | 2005-10-18 | 2005-10-18 | A micro-wave device structure with constant power output |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110160337A (en) * | 2018-02-13 | 2019-08-23 | 睿明科技股份有限公司 | Microwave drier |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4399341A (en) * | 1980-08-06 | 1983-08-16 | Sanyo Electric Co., Ltd. | Microwave heating apparatus |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4399341A (en) * | 1980-08-06 | 1983-08-16 | Sanyo Electric Co., Ltd. | Microwave heating apparatus |
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