CN105448628A - Magnetron, tube core thereof and microwave oven - Google Patents
Magnetron, tube core thereof and microwave oven Download PDFInfo
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- CN105448628A CN105448628A CN201511031378.9A CN201511031378A CN105448628A CN 105448628 A CN105448628 A CN 105448628A CN 201511031378 A CN201511031378 A CN 201511031378A CN 105448628 A CN105448628 A CN 105448628A
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- magnetron
- bending part
- shell
- tube core
- end housing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/50—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/12—Vessels; Containers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/14—Leading-in arrangements; Seals therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/14—Leading-in arrangements; Seals therefor
- H01J23/15—Means for preventing wave energy leakage structurally associated with tube leading-in arrangements, e.g. filters, chokes, attenuating devices
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- Microwave Tubes (AREA)
Abstract
The invention provides a magnetron, a tube core thereof and a microwave oven. The tube core of the magnetron comprises a positive electrode part, an upper magnetic pole, a lower magnetic pole, an input end shell and an output end shell; the upper and lower magnetic poles are respectively fixedly arranged at the upper and lower ends of the positive electrode part and are provided with grooves sunk towards the interior of the positive electrode part; the input end shell is fixedly arranged at the lower end of the positive electrode part; the output end shell comprises an upper tube shell and an upper plate; the upper plate is connected to the upper end of the positive electrode part; and an upper reinforcing part is arranged at the joint of the upper tube shell and the upper plate and is supported on the groove wall of the upper groove. According to the tube core of the magnetron provided by the invention, the upper reinforcing part which is supported on the groove wall of the groove is arranged at the joint of the upper tube shell and the upper plate, and the upper reinforcing part is capable of withstanding deformation caused by an external pressure and avoiding the situation that the shape and size of the magnetron are deviated from design values to result in reduction of the magnetic flux and further affect the use effect of the magnetron, so that the use reliability of the magnetron is ensured, and the market competiveness of products is accordingly increased.
Description
Technical field
The present invention relates to magnetron structures technical field, in particular to a kind of magnetron tube core and have the magnetron of this magnetron tube core and there is the microwave oven of this magnetron.
Background technology
Magnetron is the radio tube producing microwave, and because it has the features such as oscillation efficiency is high, microwave output power is large, thus magnetron is as microwave source, is widely used in the microwave application equipment such as household microwave oven, industrial microwave heater.
In the tube core of existing magnetron, antenna output end shell is all fixed on anode canister with Type of Welding with lead-in wire input shell, antenna output end shell or lead-in wire input shell and anode canister junction all have magnetic pole as support, antenna output end shell all has cylindrical portion with lead-in wire input shell, if because the variation in manufacturing makes the internal diameter of cylindrical portion be less than the internal diameter of the dip portion of magnetic pole, so under existing design, cylindrical portion is easy to be absorbed in the groove of magnetic pole.After cylindrical portion is sunk, antenna output end shell all can deform with lead-in wire input shell, causes the shape off-design value of magnetron reality, and the fundamental characteristics that will there is magnetron is deteriorated, and the danger of radiation leakage even occurs.In addition, cylindrical portion internal diameter is changed gradually by cylindrical portion is set to tapering in shell, or bottom cylindrical portion, the words of salient point are set with shell plane junction, shell and magnet can be made to interfere, have to increase magnet internal diameter or increase chamfering in magnet, while increasing manufacturing cost, magnetic blow out centre magnetic flux also can be made to reduce and to cause magnetron degradation.
Summary of the invention
In order to solve the problems of the technologies described above one of at least, one object of the present invention is that providing a kind of prevents the cylindrical portion of shell from deforming and ensure the magnetron tube core of its flux effects.
Another object of the present invention is to provide a kind of magnetron with above-mentioned magnetron tube core.
Another object of the present invention is to provide a kind of microwave oven with above-mentioned magnetron.
In view of this, first aspect present invention embodiment provides a kind of magnetron tube core, comprising: anode portion; Upper magnetic pole, described upper magnetic pole is fixed on the upper end of described anode portion, and has the upper groove to described anode portion sunken inside; Lower magnetic pole, described lower magnetic pole is fixed on the lower end of described anode portion, and has the low groove to described anode portion sunken inside; Input end housing, described input end housing is fixed on the lower end of described anode portion, and is supported on described lower magnetic pole; With output end housing, described output end housing comprises shell and upper plate, and described upper plate is connected with the upper end of described anode portion, and is supported on described upper magnetic pole, the junction of described upper shell and described upper plate is provided with rib, and described upper rib is supported on the cell wall of described upper groove.
Magnetron tube core provided by the invention, the upper shell of output and the junction of upper plate are provided with rib, and upper rib is supported on the cell wall of anode portion upper groove, on this, rib can resist the distortion that external pressure causes, avoid the geomery off-design value of magnetron and cause magnetic flux to reduce, thus the situation affecting magnetron result of use occurs, and ensure that the reliability that magnetron uses, extend the useful life of product, thus add the competitiveness of product in market.
Specifically, in the tube core of existing magnetron, antenna output end shell easily deforms with lead-in wire input shell, thus the fundamental characteristics of magnetron is deteriorated, and the danger of radiation leakage even occurs; And magnetron tube core provided by the invention, the upper shell of output and the junction of upper plate are provided with rib, and upper rib is supported on the cell wall of anode portion upper groove, when magnetron is subject to the effect of external force at fitting operation etc., on this, rib can resist the distortion that external pressure causes, avoid the geomery off-design value of magnetron and cause magnetic flux to reduce, thus the situation affecting magnetron result of use occurs, ensure that the reliability that magnetron uses, extend the useful life of product, thus add the competitiveness of product in market.
In addition, the magnetron tube core in above-described embodiment provided by the invention can also have following additional technical feature:
In technique scheme, described input end housing comprises lower shell and lower plate, and described lower plate is connected with the lower end of described anode, and is supported on described lower magnetic pole, the junction of described lower shell and described lower plate is provided with lower rib, and described lower rib is supported on the cell wall of described low groove.
In this technical scheme, the junction of lower shell and lower plate arranges lower rib, lower rib is supported on the cell wall of low groove, the distortion that external pressure of can resisting this lower rib causes, avoid the geomery off-design value of magnetron and cause magnetic flux to reduce, thus the situation affecting magnetron result of use occurs, and this lower rib and upper rib are symmetrical arranged, further ensure the reliability that magnetron uses, extend the useful life of product, thus add the competitiveness of product in market.
In above-mentioned arbitrary technical scheme, described upper rib is the upper bending part of described upper plate to described upper groove sunken inside, and/or; Described lower rib is the lower bending part of described lower plate to described low groove sunken inside.
In this technical scheme, upper rib is the upper bending part of upper plate to upper groove sunken inside, on the one hand, ensure that the bonding strength of rib and upper plate, greatly reduce the probability being subjected to displacement distortion both installing and using in process, improve the reliability that product uses; On the other hand, the bending part of upper plate depression is upper rib, is convenient to processing, enormously simplify the manufacturing process of rib, thus improve the production efficiency of product; In like manner, lower rib is the lower bending part of lower plate to low groove sunken inside, has above-mentioned beneficial effect.
In above-mentioned arbitrary technical scheme, described upper bending part is the annular bending part arranged along the circumference of described upper shell; And/or described lower bending part is the annular bending part arranged along the circumference of described lower shell.
In this technical scheme, upper bending part is the annular bending part arranged along the circumference of upper shell, when magnetron is subject to the effect of external force at fitting operation etc., annular bending part is conducive to suffered external force to be uniformly distributed as upper rib, thus reduce external force to the impact exporting end housing, the situation that the cylindrical portion avoiding output end housing preferably deforms, ensure that the reliability that product uses, improve the efficiency of magnetron microwave, thus add the competitiveness of product in market; In like manner, lower bending part is the annular bending part arranged along the circumference of lower shell, has above-mentioned beneficial effect.
In above-mentioned arbitrary technical scheme, described output end housing is provided with multiple described upper bending part, the equally spaced circumference along described upper shell of multiple described upper bending part is arranged; And/or; Described input end housing is provided with multiple described lower bending part, the equally spaced circumference along described lower shell of multiple described lower bending part is arranged.
In this technical scheme, export on end housing and be provided with multiple upper bending part, and the equally spaced circumference along upper shell is arranged, can further avoid when being subject to External Force Acting, the situation that output deforms, thus more effectively ensure that rib is to the stiffening effect exporting end housing, thus improve the reliability of product use; And the equally spaced circumference of multiple upper bending parts is arranged on shell, then turn avoid shell and concentrate due to stressed, and cause the situation exporting end housing distortion to occur, ensure that the result of use of product; In like manner, input end housing is arranged with multiple lower bending part, and the equally spaced circumference along lower shell of multiple lower bending part is arranged, and has above-mentioned beneficial effect.
In above-mentioned arbitrary technical scheme, the cup depth of described upper bending part is h1, and the cup depth of described lower bending part is h2; Wherein, 0 < h1≤3mm, 0 < h2≤3mm.
In this technical scheme, the cup depth h1 of upper bending part and the cup depth h2 of lower bending part meets 0 < h1≤3mm, 0 < h2≤3mm, on the one hand, the cup depth avoiding bending part and lower bending part is too small, can not resist the distortion that external pressure causes, cause the geomery off-design value of magnetron, thus the situation affecting magnetron result of use occurs; On the other hand, if the cup depth of upper bending part and lower bending part is excessive, then the internal diameter of corresponding upper shell or lower shell may be made to diminish, change the original Coupling Design of magnetron, affect the normal work of magnetron; Thus, 0 < h1≤3mm, 0 < h2≤3mm, make rib while can resisting external pressure, ensure that the efficiency of magnetron microwave, improve the competitiveness of product in market.
In above-mentioned arbitrary technical scheme, the cross sectional shape of described upper bending part is arc; And/or; The cross sectional shape of described lower bending part is arc.
In this technical scheme, the cross sectional shape of upper bending part and lower bending part is arc, avoid upper and lower bending part when being subject to External Force Acting, the cell wall of extrusion anode portion upper groove, the situation causing vacuum tube build-in components relative position to change occurs, thus ensure magnetron output performance consistency, extend the useful life of product.
In above-mentioned arbitrary technical scheme, described input end housing welds with described anode portion mutually with described output end housing.
In this technical scheme, input end housing welds with anode portion mutually with output end housing, on the one hand, ensure that the bonding strength exporting end housing and input end housing and anode portion, greatly reduce input end housing and export end housing in the course of the work from the probability that anode portion drops, improve reliability when product uses; On the other hand, the connected mode of welding, the sealing property that can ensure anode portion and input end housing and export between end housing, thus ensure that the microwave in anode portion can all transfer out, prevent the danger of radiation leakage, improve the service efficiency of product.
The embodiment of second aspect present invention provides a kind of magnetron, comprises the magnetron tube core described in above-mentioned any one technical scheme.
The magnetron that the embodiment of second aspect present invention provides, by being provided with the magnetron tube core that first aspect present invention embodiment provides, having above-mentioned whole beneficial effect, not repeating them here.
The embodiment of third aspect present invention provides a kind of microwave oven, comprises the magnetron described in technique scheme.
The microwave oven that the embodiment of third aspect present invention provides, by being provided with the magnetron that second aspect present invention embodiment provides, having above-mentioned whole beneficial effect, not repeating them here.
Additional aspect of the present invention and advantage become obvious by description part below, or are recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the broken section structural representation of magnetron tube core of the present invention;
Fig. 2 is the structural representation of the first embodiment of output end housing of the present invention;
Fig. 3 be in Fig. 2 A-A to sectional structure schematic diagram;
Fig. 4 is the structural representation of the second embodiment of output end housing of the present invention;
Fig. 5 be in Fig. 4 B-B to sectional structure schematic diagram.
Wherein, the corresponding relation in Fig. 1 to Fig. 5 between Reference numeral and component names is:
10 anode portion, 20 cathode assemblies, 30 pole piece, magnetic pole on 31,32 lower magnetic poles, 50 export end housing, shell on 51,52 upper plates, rib on 53,60 input end housings, 61 times shells, 62 lower plates, 63 times ribs.
Embodiment
In order to more clearly understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
Referring to Fig. 1 to Fig. 5, the magnetron tube core according to a first aspect of the present invention described in embodiment is described.
As shown in Figure 1, the magnetron tube core that first aspect present invention embodiment provides, comprising: anode portion 10, upper magnetic pole 31, lower magnetic pole 32, input end housing 60 and output end housing 50.
Particularly, upper magnetic pole 31 is fixed on the upper end of anode portion 10, and has the upper groove of anode portion 10 sunken inside; Lower magnetic pole 32 is fixed on the lower end of anode portion 10, and has the low groove of anode portion 10 sunken inside; Input end housing 60 is fixed on the lower end of anode portion 10, and is supported on lower magnetic pole 32; Export end housing 50 and comprise shell 51 and upper plate 52, upper plate 52 is connected with the upper end of anode portion 10, and is supported on magnetic pole 31, and upper shell 51 is provided with rib 53 with the junction of upper plate 52, and upper rib 53 is supported on the cell wall of upper groove.
In the tube core of existing magnetron, antenna output end shell easily deforms with lead-in wire input shell, thus the fundamental characteristics of magnetron is deteriorated, and the danger of radiation leakage even occurs, and magnetron tube core provided by the invention, as shown in Figures 2 to 5, at the upper shell 51 of output, the junction of upper plate 52 is provided with rib 53, and upper rib 53 is supported on the cell wall of anode portion 10 upper groove, when magnetron is subject to the effect of external force at fitting operation etc., on this, rib 53 can resist the distortion that external pressure causes, avoid the geomery off-design value of magnetron and cause magnetic flux to reduce, thus the situation affecting magnetron result of use occurs, ensure that the reliability that magnetron uses, extend the useful life of product, thus add the competitiveness of product in market.
In one embodiment of the invention, as shown in Figures 2 to 5, input end housing 60 and comprise lower shell 61 and lower plate 62.
Particularly, lower plate 62 is connected with the lower end of anode portion 10, and is supported on lower magnetic pole 32, and lower shell 61 is provided with rib 63 with the junction of lower plate 62, and lower rib 63 is supported on the cell wall of low groove.
In this embodiment, lower shell 61 arranges lower rib 63 with the junction of lower plate 62, lower rib 63 is supported on the cell wall of low groove, the distortion that external pressure of can resisting this lower rib 63 causes, avoid the geomery off-design value of magnetron and cause magnetic flux to reduce, thus the situation affecting magnetron result of use occurs, and this lower rib 63 is symmetrical arranged with upper rib 53, further ensure the reliability that magnetron uses, extend the useful life of product, thus add the competitiveness of product in market.
In one embodiment of the invention, as shown in Figures 2 to 5, upper rib 53 is the upper bending part of upper plate 52 to upper groove sunken inside, and/or; Lower rib 63 is the lower bending part of lower plate 62 to low groove sunken inside.
In this embodiment, upper rib 53 is the upper bending part of upper plate 52 to upper groove sunken inside, on the one hand, ensure that the bonding strength of rib 53 and upper plate 52, greatly reduce the probability being subjected to displacement distortion both installing and using in process, improve the reliability that product uses; On the other hand, the bending part that upper plate 52 caves in is upper rib 53, is convenient to processing, enormously simplify the manufacturing process of rib 53, thus improve the production efficiency of product; In like manner, lower rib 63 is the lower bending part of lower plate 62 to low groove sunken inside, has above-mentioned beneficial effect.
In one embodiment of the invention, as shown in Figures 2 and 3, upper bending part is the annular bending part arranged along the circumference of upper shell 51; And/or lower bending part is the annular bending part arranged along the circumference of lower shell 61.
In this embodiment, upper bending part is the annular bending part arranged along the circumference of upper shell 51, when magnetron is subject to the effect of external force at fitting operation etc., annular bending part is conducive to suffered external force to be uniformly distributed as upper rib 53, thus reduce external force to the impact exporting end housing 50, the situation that the cylindrical portion avoiding output end housing 50 preferably deforms, ensure that the reliability that product uses, improve the efficiency of magnetron microwave, thus add the competitiveness of product in market; In like manner, lower bending part is the annular bending part arranged along the circumference of lower shell 61, has above-mentioned beneficial effect.
In one embodiment of the invention, as shown in Figure 4 and Figure 5, export on end housing 50 and be provided with multiple upper bending part, the equally spaced circumference along upper shell 51 of multiple upper bending part is arranged; And/or; Input end housing 60 is provided with multiple lower bending part, and the equally spaced circumference along lower shell 61 of multiple lower bending part is arranged.
In this embodiment, export on end housing 50 and be provided with multiple upper bending part, and the equally spaced circumference along upper shell 51 is arranged, can further avoid when being subject to External Force Acting, the situation that output deforms, thus more effectively ensure that rib 53 is to the stiffening effect exporting end housing 50, thus improve the reliability of product use; And the equally spaced circumference of multiple upper bending parts is arranged on shell 51, then turn avoid shell 51 and concentrate due to stressed, and cause the situation exporting end housing 50 distortion to occur, ensure that the result of use of product; In like manner, input end housing 60 is arranged with multiple lower bending part, and the equally spaced circumference along lower shell 61 of multiple lower bending part is arranged, and has above-mentioned beneficial effect.
In one embodiment of the invention, the cup depth of upper bending part is h1, and the cup depth of lower bending part is h2; Wherein, 0 < h1≤3mm, 0 < h2≤3mm.
In this embodiment, the size of the cup depth h1 of upper bending part and the cup depth h2 of lower bending part meets 0 < h1≤3mm, 0 < h2≤3mm, on the one hand, the cup depth avoiding bending part and lower bending part is too small, can not resist the distortion that external pressure causes, cause the geomery off-design value of magnetron, thus the situation affecting magnetron result of use occurs; On the other hand, if the cup depth of upper bending part and lower bending part is excessive, then the internal diameter of corresponding upper shell or lower shell may be made to diminish, change the original Coupling Design of magnetron, affect the normal work of magnetron; Thus, 0 < h1≤3mm, 0 < h2≤3mm, make rib while can resisting external pressure, ensure that the efficiency of magnetron microwave, improve the competitiveness of product in market.
In one embodiment of the invention, as shown in Figure 3 and Figure 5, the cross sectional shape of upper bending part is arc; And/or; The cross sectional shape of lower bending part is arc.
In this embodiment, the cross sectional shape of upper bending part and lower bending part is arc, avoid upper and lower bending part when being subject to External Force Acting, the cell wall of extrusion anode portion 10 upper groove, the situation causing vacuum tube build-in components relative position to change occurs, thus ensure magnetron output performance consistency, extend the useful life of product.
In one embodiment of the invention, input end housing 60 to weld mutually with anode portion 10 with output end housing 50.
In this embodiment, input end housing 60 welds with anode portion 10 mutually with output end housing 50, on the one hand, ensure that the bonding strength exporting end housing 50 and input end housing 60 and anode portion 10, greatly reduce input end housing 60 and export end housing 50 in the course of the work from the probability that anode portion 10 drops, improve reliability when product uses; On the other hand, the connected mode of welding, the sealing property that can ensure anode portion 10 and input end housing 60 and export between end housing 50, thus ensure that the microwave in anode portion 10 can all transfer out, prevent the danger of radiation leakage, improve the service efficiency of product.
The magnetron that the embodiment of second aspect present invention provides, comprises the magnetron tube core of above-mentioned any one embodiment.
The magnetron that the embodiment of second aspect present invention provides, by being provided with the magnetron tube core that first aspect present invention embodiment provides, having above-mentioned whole beneficial effect, not repeating them here.
The microwave oven that the embodiment of third aspect present invention provides, comprises the magnetron of above-described embodiment.
The microwave oven that the embodiment of third aspect present invention provides, by being provided with the magnetron that second aspect present invention embodiment provides, having above-mentioned whole beneficial effect, not repeating them here.
In sum, magnetron tube core provided by the invention, the upper shell of output and the junction of upper plate are provided with rib, and upper rib is supported on the cell wall of anode portion upper groove, on this, rib can resist the distortion that external pressure causes, avoid the geomery off-design value of magnetron and cause magnetic flux to reduce, thus the situation affecting magnetron result of use occurs, ensure that the reliability that magnetron uses, extend the useful life of product, thus add the competitiveness of product in market.
Specifically, in the tube core of existing magnetron, antenna output end shell easily deforms with lead-in wire input shell, thus the fundamental characteristics of magnetron is deteriorated, and the danger of radiation leakage even occurs; And magnetron tube core provided by the invention, the upper shell of output and the junction of upper plate are provided with rib, and upper rib is supported on the cell wall of anode portion upper groove, when magnetron is subject to the effect of external force at fitting operation etc., on this, rib can resist the distortion that external pressure causes, avoid the geomery off-design value of magnetron and cause magnetic flux to reduce, thus the situation affecting magnetron result of use occurs, ensure that the reliability that magnetron uses, extend the useful life of product, thus add the competitiveness of product in market.
In the present invention, term " multiple " then refers to two or more, unless otherwise clear and definite restriction.The term such as term " installation ", " being connected ", " connection ", " fixing " all should be interpreted broadly, and such as, " connection " can be fixedly connected with, and also can be removably connect, or connects integratedly; " being connected " can be directly be connected, and also indirectly can be connected by intermediary.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In description of the invention, it will be appreciated that, term " on ", the orientation of the instruction such as D score or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or unit must have specific direction, with specific azimuth configuration and operation, therefore, limitation of the present invention can not be interpreted as.
In the description of this specification, specific features, structure, material or feature that the description of term " embodiment ", " some embodiments ", " specific embodiment " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a magnetron tube core, is characterized in that, comprising:
Anode portion;
Upper magnetic pole, described upper magnetic pole is fixed on the upper end of described anode portion, and has the upper groove to described anode portion sunken inside;
Lower magnetic pole, described lower magnetic pole is fixed on the lower end of described anode portion, and has the low groove to described anode portion sunken inside;
Input end housing, described input end housing is fixed on the lower end of described anode portion, and is supported on described lower magnetic pole; With
Export end housing, described output end housing comprises shell and upper plate, and described upper plate is connected with the upper end of described anode portion, and is supported on described upper magnetic pole, the junction of described upper shell and described upper plate is provided with rib, and described upper rib is supported on the cell wall of described upper groove.
2. magnetron tube core according to claim 1, is characterized in that,
Described input end housing comprises lower shell and lower plate, described lower plate is connected with the lower end of described anode, and being supported on described lower magnetic pole, the junction of described lower shell and described lower plate is provided with lower rib, and described lower rib is supported on the cell wall of described low groove.
3. magnetron tube core according to claim 2, is characterized in that,
Described upper rib is the upper bending part of described upper plate to described upper groove sunken inside, and/or;
Described lower rib is the lower bending part of described lower plate to described low groove sunken inside.
4. magnetron tube core according to claim 3, is characterized in that,
Described upper bending part is the annular bending part arranged along the circumference of described upper shell; And/or
Described lower bending part is the annular bending part arranged along the circumference of described lower shell.
5. magnetron tube core according to claim 3, is characterized in that,
Described output end housing is provided with multiple described upper bending part, the equally spaced circumference along described upper shell of multiple described upper bending part is arranged; And/or;
Described input end housing is provided with multiple described lower bending part, the equally spaced circumference along described lower shell of multiple described lower bending part is arranged.
6. the magnetron tube core according to any one of claim 3 to 5, is characterized in that,
The cup depth of described upper bending part is h1, and the cup depth of described lower bending part is h2;
Wherein, 0 < h1≤3mm, 0 < h2≤3mm.
7. magnetron tube core according to claim 6, is characterized in that,
The cross sectional shape of described upper bending part is arc; And/or; The cross sectional shape of described lower bending part is arc.
8. magnetron tube core according to claim 1, is characterized in that,
Described input end housing welds with described anode portion mutually with described output end housing.
9. a magnetron, is characterized in that, comprises the magnetron tube core according to any one of claim 1 to 8.
10. a microwave oven, is characterized in that, comprises magnetron as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511031378.9A CN105448628B (en) | 2015-12-30 | 2015-12-30 | Magnetron tube core, magnetron and micro-wave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511031378.9A CN105448628B (en) | 2015-12-30 | 2015-12-30 | Magnetron tube core, magnetron and micro-wave oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105448628A true CN105448628A (en) | 2016-03-30 |
| CN105448628B CN105448628B (en) | 2017-10-31 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4230968A (en) * | 1976-05-26 | 1980-10-28 | Hitachi, Ltd. | Cathode structure for magnetrons |
| CN87107007A (en) * | 1986-10-16 | 1988-04-27 | 松下电器产业株式会社 | Magnetron |
| JPH07201285A (en) * | 1993-12-28 | 1995-08-04 | Sanyo Electric Co Ltd | Magnetron |
| CN201478250U (en) * | 2009-08-25 | 2010-05-19 | 美的集团有限公司 | Magnetron |
| CN205335218U (en) * | 2015-12-30 | 2016-06-22 | 广东美的厨房电器制造有限公司 | Magnetron tube core, magnetron and microwave oven |
-
2015
- 2015-12-30 CN CN201511031378.9A patent/CN105448628B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4230968A (en) * | 1976-05-26 | 1980-10-28 | Hitachi, Ltd. | Cathode structure for magnetrons |
| CN87107007A (en) * | 1986-10-16 | 1988-04-27 | 松下电器产业株式会社 | Magnetron |
| JPH07201285A (en) * | 1993-12-28 | 1995-08-04 | Sanyo Electric Co Ltd | Magnetron |
| CN201478250U (en) * | 2009-08-25 | 2010-05-19 | 美的集团有限公司 | Magnetron |
| CN205335218U (en) * | 2015-12-30 | 2016-06-22 | 广东美的厨房电器制造有限公司 | Magnetron tube core, magnetron and microwave oven |
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| CN105448628B (en) | 2017-10-31 |
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Effective date of registration: 20161031 Address after: 528311 Beijiao Industrial Park, Beijiao Town, Foshan, Guangdong, China, Shunde Applicant after: Guangdong Weite Vacuum Electronic Manufacturing Co.,Ltd. Address before: 528311 Yongan Road, Beijiao Town, Guangdong District, Foshan, No. 6, No. Applicant before: Guangdong Midea Kitchen Appliance Manufacturing Co., Ltd. Applicant before: Midea Group Co., Ltd. |
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