CN107238278A - A kind of detachable cell type window for micro-wave vacuum - Google Patents
A kind of detachable cell type window for micro-wave vacuum Download PDFInfo
- Publication number
- CN107238278A CN107238278A CN201710561405.6A CN201710561405A CN107238278A CN 107238278 A CN107238278 A CN 107238278A CN 201710561405 A CN201710561405 A CN 201710561405A CN 107238278 A CN107238278 A CN 107238278A
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- Prior art keywords
- cell type
- type window
- window
- circular waveguide
- forms
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
- Waveguide Connection Structure (AREA)
Abstract
The invention provides a kind of detachable cell type window for micro-wave vacuum, it includes：First forms, the second forms, dielectric disk in window, connector, the first forms include first wave guide and the first circular waveguide being connected with each other；Second forms include second waveguide and the second circular waveguide being connected with each other；Dielectric disk in window is located between the first circular waveguide and the second circular waveguide；Connector is used to the dielectric disk in window being fixedly clamped.Metal gasket is arranged between the first forms and the second forms, metal gasket is clamped by connector, the electromagnetic sealing of cell type window is realized；Sealing gasket is arranged between forms and dielectric disk in window, by connector pinch seal pad, the vacuum sealing of cell type window is realized.The detachable cell type window of the present invention has good vacuum sealing and the performance of electromagnetic sealing, eliminates the soldering operation of dielectric disk in window and forms housing, structure is more simple, assembling is easy, reliability is high, and easily can dismantle and safeguard, reduces the maintenance cost of cell type window.
Description
Technical field
It is more particularly to a kind of for the detachable of micro-wave vacuum the present invention relates to microwave vacuum drying technology field
Cell type window.
Background technology
Microwave vacuum drying technology is the combination of microwave system and vacuum system, can not only reduce drying temperature, and
Rate of drying can be accelerated, the features such as with quick, efficient, low temperature.The technology is particularly suitable for use in food, medicine, biological products
Deng the drying of heat sensitive material.In micro-wave vacuum, in order to ensure to dry the vacuum in cavity, it is necessary to using microwave seal
Window.On the one hand microwave seal window can allow microwave energy to pass through, on the other hand can keep drying air pressure in cavity or
Vacuum, and the vapor for avoiding drying in cavity enters microwave generator.
Cell type window, because of its broader bandwidth, bears power greatly as one kind of microwave seal window, and technical maturity has obtained wide
General application.Traditional cell type window is that one section of circular waveguide is inserted in the middle of rectangular waveguide, the welding medium window in the middle of circular waveguide, such as
Shown in Fig. 1.Because dielectric disk in window and circular waveguide housing are that solder bonding metal is connected, thus the sealing property of this cell type window compared with
It is good, but there is also welding procedure is complicated, yield rate is low, non-dismountable, can not reprocess, the shortcomings of maintenance cost is higher.Particularly
In view of being generally pattern-band (915MHz) and S-band (2450MHz) for the microwave band that industrial microwave is dried, hermetyic window
After size increase, the welding difficulty of dielectric disk in window is significantly greatly increased, complex process, reliability reduction.
The content of the invention
(1) technical problem to be solved
In view of above-mentioned technical problem, the invention provides a kind of detachable cell type window for micro-wave vacuum.
(2) technical scheme
According to an aspect of the invention, there is provided a kind of detachable cell type window for micro-wave vacuum, it includes：
First forms, the second forms, dielectric disk in window, connector, the first forms include first wave guide and the first circular waveguide being connected with each other；
Second forms include second waveguide and the second circular waveguide being connected with each other；Dielectric disk in window is located at the first circular waveguide and the second circular waveguide
Between；Connector is used to the dielectric disk in window being fixedly clamped.
(3) beneficial effect
It can be seen from the above technical proposal that the present invention for micro-wave vacuum detachable cell type window at least have with
One of lower beneficial effect：
(1) detachable cell type window of the invention eliminates the soldering operation of dielectric disk in window and circular waveguide housing, reduces system
Make difficulty, and structure is more simple, easy to assembly, reliability is high；
(2) present invention realizes vacuum sealing, structure letter by increasing sealing gasket between dielectric disk in window and circular waveguide section
Single, sealed reliability is higher；
(3) present invention realizes the electricity of two sections of circular waveguide sections by increasing the metal gasket of annealing between two sections of circular waveguide sections
Connection, simple in construction, the reliability of electromagnetic shielding is higher；
(4) present invention fills hydrophobic electromagnetic wave transparent material in detachable cell type window close to the side for drying cavity, can be effectively
Isolate vapor, the transmission without influenceing microwave；
(5) because cell type window is dismountable, so when the part in cell type window is damaged, can be easily
Dismounting and maintenance, reduce the maintenance cost of cell type window.
Brief description of the drawings
Fig. 1 is the planar structure of traditional cell type window in the prior art.
Fig. 2 is the schematic appearance of detachable cell type window in the embodiment of the present invention.
Fig. 3 is the structural representation of detachable cell type window in the embodiment of the present invention.
Fig. 4 is Fig. 3 partial enlargement structural representation.
Fig. 5 is Fig. 3 left view schematic diagram.
Fig. 6 is another structural representation of detachable cell type window in the embodiment of the present invention.
Fig. 7 is Fig. 6 partial enlargement structural representation.
Fig. 8 is another structural representation of detachable cell type window in the embodiment of the present invention.
Fig. 9 is Fig. 8 partial enlargement structural representation.
Installation gap schematic diagram when Figure 10 is not tightened for connector in the embodiment of the present invention.
【Main element】
The forms of 1- first；
11- the first rectangular waveguide flanges；
The rectangular waveguides of 12- first；
The circular waveguides of 13- first；
The adpting flanges of 14- first；
The flange holes of 141- first；
142- coordinates boss；
The forms of 2- second；
21- the second rectangular waveguide flanges；
The rectangular waveguides of 22- second；
The circular waveguides of 23- second；
The adpting flanges of 24- second；
The flange holes of 241- second；
242- coordinates step；
243- fills groove；
3- dielectric disk in window；
4- metal gaskets；
5- sealing gaskets；
6- connectors；
The hydrophobic electromagnetic wave transparent materials of 7-；
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with specific embodiment, and reference
Accompanying drawing, the present invention is described in more detail.
There is provided a kind of detachable cell type window for micro-wave vacuum in an exemplary embodiment of the present invention.Fig. 2
For the knot that the schematic appearance of detachable cell type window, Fig. 3 in the embodiment of the present invention are detachable cell type window in the embodiment of the present invention
The left view schematic diagram that partial enlargement structural representation that structure schematic diagram, Fig. 4 are Fig. 3, Fig. 5 are Fig. 3.As shown in Figure 2-5, it is of the invention
Detachable cell type window for micro-wave vacuum includes：First forms 1, the second forms 2, dielectric disk in window 3, connector 6.Medium
Window 3 is arranged between the first forms 1 and the second forms 2, and dielectric disk in window 3 is fixedly clamped by connector 6.Wherein, first
Forms 1 include the first rectangular waveguide 12 and the first circular waveguide 13 being connected with each other, and the second forms 2 include the second square being connected with each other
The circular waveguide 23 of shape waveguide 22 and second, dielectric disk in window 3 is arranged between the first circular waveguide 13 and the second circular waveguide 23, utilizes connection
Dielectric disk in window 3 is fixedly clamped between the first circular waveguide 13 and the second circular waveguide 23 by part 6.
For the first forms 1 and the second forms 2, it is contemplated that its complex-shaped and cell type window is wanted to materials conductive rate
Ask, aluminium processing and forming and argon arc welding can be used to weld the method being combined and made.Because the technics comparing of argon arc welding is ripe,
The reliability of first forms 1 and the second forms 2 is high, and greatly reduces the number of parts in cell type window.For dielectric disk in window
3, it is contemplated that the intensity requirement and dielectric loss when vacuumizing are small, typically optional alumina ceramics and polytetrafluoroethylene (PTFE) sheet material.
For connector 6, mainly including bolt, nut, spring washer and plain cushion.
First forms 1 also include the first adpting flange 14, and it is arranged on the first circular waveguide 13.Correspondingly, the second forms 2
Also include the second adpting flange 24, it is arranged on the second circular waveguide 23.First adpting flange 14 includes the first flange hole
141, the second adpting flange 24 includes the second flange hole 241, the first flange hole 141 and the second flange hole 241
Alignment, and coupled using connector 6.
In one embodiment, the first forms 1 also include the first rectangular waveguide flange 11, are connected with the first rectangular waveguide 12,
External connection for realizing detachable cell type window.Correspondingly, the second forms 2 also include the second rectangular waveguide flange 21, with the
Two rectangular waveguides 22 are connected, the external connection for realizing detachable cell type window.
The detachable cell type window of the present invention also includes metal gasket 4, is arranged on the first adpting flange 14 and the second adpting flange
Between 24, the electrical connection of the first circular waveguide 13 and the second circular waveguide 23 is realized, it is to avoid electromagnetic leakage.Specifically, metal gasket 4 is set
In the bottom of the cooperation boss 142 of the first adpting flange 14, it is in contact with the cooperation step 242 of the second adpting flange 24.
For metal gasket 4, it is necessary to be made annealing treatment to it.Metal gasket after annealing, modulus of elasticity and yield strength are equal
Reduction, when connector 6 is tensed, it is easier to deform, ensure that the reliable electrical connection of the first forms 1 and the second forms 2, it is to avoid
Microwave leakage.As a kind of embodiment, metal gasket can be oxygen-free copper pad or red copper pad.
The present invention detachable cell type window also include sealing gasket 5, be arranged on the adpting flange 24 of dielectric disk in window 3 and second it
Between, realize vacuum sealing during detachable cell type window external connection.Specifically, sealing gasket 5 is arranged on the second adpting flange 24
Fill in groove 243.
For sealing gasket 5, can from polytetrafluoro packing ring or the O-ring of fluorubber, its decrement is generally 10%~
30%.
In another embodiment, as shown in Figure 6,7, between the first adpting flange 14 and dielectric disk in window 3, dielectric disk in window 3 with
Sealing gasket 5 is respectively provided between second adpting flange 24, two-side sealing is realized, the advantage of this structure is that sealing effectiveness is more preferable, right
The installation direction of detachable cell type window is not required
More preferable drying effect is reached, is typically connected the second forms with drying cavity), specifically, sealing gasket 5 is separately positioned on the
On the step coordinated on one adpting flange 14 with sealing gasket 5 and in the filling groove 243 of the second adpting flange 24.
In another embodiment, as shown in Figure 8,9, sealing gasket 5 is integrally formed with dielectric disk in window 3, can reduce number of parts,
Improve reliability.
The detachable cell type window of the present invention also includes hydrophobic electromagnetic wave transparent material 7.During in view of micro-wave vacuum, do
Substantial amounts of vapor can be produced in dry cavity, causes fried window to avoid vapor from entering cell type window and condensing into small water droplet, can be with
Hydrophobic electromagnetic wave transparent material 7 is filled close to the side for drying cavity in cell type window, vapor can be effectively isolated, while not influenceing micro-
The transmission of ripple, as shown in Figure 3.
For hydrophobic electromagnetic wave transparent material 7, its absorption to microwave is very faint, and the transmission of microwave is not influenceed；And surface is dredged
Water, water absorption rate is very low, can be effectively isolated vapor.Preferably, hydrophobic electromagnetic wave transparent material 7 can be polyethylene foamed plate or poly- four
PVF plate.
The specific mounting means of the detachable cell type window of the present invention is as follows：Sealing gasket 5 is first filled in the second adpting flange
In 24 filling groove 243, then dielectric disk in window 3 is put into the cooperation step 242 of the second adpting flange 24, at this moment medium
Window 3 is close to sealing gasket 5, and with coordinating the base of step 242 to have certain interval, gap length is a, as shown in Figure 10.Then, will
The metal gasket 4 annealed is put into the bottom of the cooperation boss 142 of the first adpting flange 14, then boss 142 will be coordinated to insert and matched somebody with somebody
Step 242, the first flange hole 141 of alignment and the second flange hole 241 are closed, makes the first rectangular waveguide flange 11 and second
The broadside of rectangular waveguide flange 21 is flushed, and is coupled using connector 6.When connector 6 does not start to tighten, metal gasket 4 and cooperation
Step 242 has certain interval, and gap length is b, as shown in Figure 10.Finally, connector 6 is uniformly tightened, metal gasket 4 and cooperation
Step 242 is compacted, gapless, as shown in Figure 4.Furthermore, it is necessary to which hydrophobic electromagnetic wave transparent material 7 is filled into the second rectangular waveguide 22.
For the gap a and gap b mentioned in installation process, gap a physical significance tightens rear sealing gasket for connector 6
5 maximum compressibility；Gap b physical significance is that connector 6 tightens the rear decrement of sealing gasket 5 more than the decrement of metal gasket 4
Difference.To ensure airtight and avoiding electromagnetic leakage, it is 0.5mm typically to take a values, and b values are 0.05mm.
After detachable cell type window assembling is finished, the first circular waveguide 13 and the second circular waveguide 23 collectively form the circle in cell type window
Waveguide segment, dielectric disk in window 3 is fixedly clamped in circular waveguide section by connector 6, and the main function of sealing gasket 5 is co-ordination medium window
3 realize vacuum sealing, and the main function of metal gasket 4 is the first forms 1 of connection and the second forms 2, it is to avoid the electromagnetic leakage of forms.
First rectangular waveguide flange 11, the second rectangular waveguide flange 21 make according to the respective standard of waveguide flange, are pairs of cell type window
Outer connecting interface.First rectangular waveguide 12, the second rectangular waveguide 22 primarily serve transmission microwave, connection circular waveguide and rectangular waveguide
The effect of flange.
So far, the present embodiment is described in detail combined accompanying drawing.According to above description, those skilled in the art
There should be clear understanding to a kind of detachable cell type window for micro-wave vacuum of the invention.
It should be noted that in accompanying drawing or specification text, the implementation for not illustrating or describing is affiliated technology
Form known to a person of ordinary skill in the art, is not described in detail in field.In addition, the above-mentioned definition to each element and method is simultaneously
Various concrete structures, shape or the mode mentioned in embodiment are not limited only to, those of ordinary skill in the art can carry out letter to it
Singly change or replace, for example：
(1) first rectangular waveguide flange 11, the second rectangular waveguide flange 21 can also be using circular flange, square flanges etc.
Form.
(2) first rectangular waveguides 12, the second rectangular waveguide 22 can also use circular waveguide, rectangular waveguide, flat square wave
The form such as lead.
It should also be noted that, the demonstration of the parameter comprising particular value can be provided herein, but these parameters are without definite etc.
In corresponding value, but analog value can be similar in acceptable error margin or design constraint.The side mentioned in embodiment
Only it is the direction of refer to the attached drawing such as " on ", " under ", "front", "rear", "left", "right" to term, not for limiting this
The protection domain of invention.In addition, unless specifically described or the step of must sequentially occur, the order of above-mentioned steps, which has no, to be limited to
It is listed above, and can change or rearrange according to required design.And above-described embodiment can be based on design and reliability
Consider, be mixed with each other collocation using or used with other embodiment mix and match, i.e., technical characteristic not in be the same as Example can be with
Freely form more embodiments.
In summary, in the present invention, will the invention provides a kind of detachable cell type window for micro-wave vacuum
Circular waveguide section in traditional cell type window is divided into two, and dielectric disk in window is placed in the coordinates interface of two sections of circular waveguides section, and by
Adpting flange is designed in circular waveguide section, circular waveguide section and dielectric disk in window is compressed.Wherein, have close between dielectric disk in window and circular waveguide section
Packing, the vacuum sealing that sealing gasket realizes cell type window is compressed by connector；There is metal gasket between two sections of circular waveguide sections, by even
Fitting compresses the electrical connection that metal gasket realizes two sections of circular waveguide sections, it is to avoid electromagnetic leakage.
The cell type window being made of this mode, eliminates the soldering operation of dielectric disk in window and circular waveguide housing, structure is more
Simply, assemble easy, reliability is high.Further, since this cell type window is dismountable, so when the part in cell type window
Be damaged (such as dielectric disk in window rupture) when, easily can dismantle and safeguard, reduce the maintenance cost of cell type window.
It should be noted that the present invention will be described rather than limits the invention for above-described embodiment, and ability
Field technique personnel can design alternative embodiment without departing from the scope of the appended claims.In the claims,
Any reference symbol between bracket should not be configured to limitations on claims.Word "comprising" is not excluded the presence of not
Element or step listed in the claims.Word "a" or "an" before element does not exclude the presence of multiple such
Element.The present invention can be by means of including the hardware of some different elements and coming real by means of properly programmed computer
It is existing.In if the unit claim of equipment for drying is listed, several in these devices can be by same hardware branch
To embody.The use of word first, second, and third does not indicate that any order.These words can be explained and run after fame
Claim.
Furthermore, word of the specification with the ordinal number used in claim such as " first ", " second ", " the 3rd ",
To modify corresponding element, itself simultaneously unexpectedly contains and represents the element and have any ordinal number, do not represent yet a certain element with it is another
Order in the order or manufacture method of one element, the use of those ordinal numbers is only used for obtaining the element with certain name
So that clear differentiation can be made with another element with identical name.
It should be noted that through accompanying drawing, identical element is represented by same or like reference.In the following description,
Some specific embodiments are only used for describing purpose, and should not be construed has any limitation to the present invention, and simply the present invention is real
Apply the example of example.When the understanding of the present invention may be caused to cause to obscure, conventional structure or construction will be omitted.It should be noted that figure
In the shape and size of each part do not reflect actual size and ratio, and only illustrate the content of the embodiment of the present invention.
Particular embodiments described above, has been carried out further in detail to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail it is bright, should be understood that the foregoing is only the present invention specific embodiment, be not intended to limit the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements done etc., should be included in the guarantor of the present invention
Within the scope of shield.
Claims (10)
1. a kind of detachable cell type window for micro-wave vacuum, it includes：
First forms, it includes first wave guide and the first circular waveguide being connected with each other；
Second forms, it includes second waveguide and the second circular waveguide being connected with each other；
Dielectric disk in window, it is located between the first circular waveguide and the second circular waveguide；
Connector, for the dielectric disk in window to be fixedly clamped.
2. detachable cell type window according to claim 1, wherein,
First forms also include the first adpting flange with flange hole, and it is arranged on the first circular waveguide；
Second forms also include the second adpting flange with flange hole, and it is arranged on the second circular waveguide；
The connector is interspersed in the flange hole of the first adpting flange and the second adpting flange.
3. detachable cell type window according to claim 2, wherein, in addition to：
Metal gasket, is arranged between the first adpting flange and the second adpting flange, realizes the first circular waveguide and the second circular waveguide
Electrical connection, it is to avoid electromagnetic leakage.
4. detachable cell type window according to claim 3, wherein, in addition to：
Sealing gasket, is arranged between dielectric disk in window and the first adpting flange and/or dielectric disk in window and the second adpting flange, realization can
Dismantle vacuum sealing during cell type window external connection.
5. detachable cell type window according to claim 4, wherein, sealing gasket is integrally formed with dielectric disk in window.
6. the detachable cell type window according to claim 4 or 5, wherein, the metal gasket is anaerobic copper packing or red copper pad, institute
It is polytetrafluoro packing ring or the O-ring of fluorubber to state sealing gasket.
7. the detachable cell type window according to claim 4 or 5, wherein,
The metal gasket is arranged on the bottom of the cooperation boss of the first adpting flange, connects with the cooperation step of the second adpting flange
Touch；
The sealing gasket is arranged in the filling groove of the second adpting flange.
8. the detachable cell type window according to claim any one of 1-5, wherein, in addition to：
Hydrophobic electromagnetic wave transparent material, is arranged on the side close to dry cavity of detachable cell type window, for isolating vapor, while not
Influence the transmission of microwave.
9. detachable cell type window according to claim 8, wherein, the hydrophobic electromagnetic wave transparent material is polyethylene foamed plate or poly-
Tetrafluoroethene plate.
10. the detachable cell type window according to claim any one of 1-5, wherein, the connector includes bolt, nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710561405.6A CN107238278B (en) | 2017-07-11 | 2017-07-11 | Detachable box type window for microwave vacuum drying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710561405.6A CN107238278B (en) | 2017-07-11 | 2017-07-11 | Detachable box type window for microwave vacuum drying |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107238278A true CN107238278A (en) | 2017-10-10 |
| CN107238278B CN107238278B (en) | 2020-01-31 |
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ID=59990418
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710561405.6A Active CN107238278B (en) | 2017-07-11 | 2017-07-11 | Detachable box type window for microwave vacuum drying |
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| Country | Link |
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| CN (1) | CN107238278B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109712856A (en) * | 2018-12-29 | 2019-05-03 | 电子科技大学 | A kind of electrovacuum delivery of energy window construction |
| CN112397853A (en) * | 2020-10-28 | 2021-02-23 | 中国电子科技集团公司第二十九研究所 | Waveguide flange capable of realizing quick assembling, disassembling and sealing and connecting device thereof |
| CN112461461A (en) * | 2020-10-24 | 2021-03-09 | 山东长王检测技术有限责任公司 | Building exterior window air tightness detection device |
| CN113623954A (en) * | 2020-05-08 | 2021-11-09 | 合肥三伍机械有限公司 | Drying equipment convenient to dismouting |
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| CN109712856A (en) * | 2018-12-29 | 2019-05-03 | 电子科技大学 | A kind of electrovacuum delivery of energy window construction |
| CN113623954A (en) * | 2020-05-08 | 2021-11-09 | 合肥三伍机械有限公司 | Drying equipment convenient to dismouting |
| CN112461461A (en) * | 2020-10-24 | 2021-03-09 | 山东长王检测技术有限责任公司 | Building exterior window air tightness detection device |
| CN112461461B (en) * | 2020-10-24 | 2022-08-12 | 山东长王检测技术有限责任公司 | Building exterior window air tightness detection device |
| CN112397853A (en) * | 2020-10-28 | 2021-02-23 | 中国电子科技集团公司第二十九研究所 | Waveguide flange capable of realizing quick assembling, disassembling and sealing and connecting device thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107238278B (en) | 2020-01-31 |
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