CN101609721A - Honeycomb-structure microwave absorbing material for microwave darkroom - Google Patents
Honeycomb-structure microwave absorbing material for microwave darkroom Download PDFInfo
- Publication number
- CN101609721A CN101609721A CNA2009100513478A CN200910051347A CN101609721A CN 101609721 A CN101609721 A CN 101609721A CN A2009100513478 A CNA2009100513478 A CN A2009100513478A CN 200910051347 A CN200910051347 A CN 200910051347A CN 101609721 A CN101609721 A CN 101609721A
- Authority
- CN
- China
- Prior art keywords
- microwave
- honeycomb
- absorbing material
- layer
- microwave absorbing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention belongs to the microwave absorbing material class, concrete be meant a kind of honeycomb-structure microwave absorbing material for microwave darkroom, it is made of the individual layer honeycomb layer or two-layer at least honeycomb layer stack combinations forms, honeycomb layer includes a plurality of six prism structure bodies, and each seamed edge of six prism structure bodies all fits tightly with a seamed edge of adjacent another six prism structures body.This microwave absorbing material according to material height can make the reflective level of reflective level in certain wavelength coverage reach-50dB～-80dB, have in the market under reflective level performance same case employed microwave absorbing material incomparable load power, the microwave dark room performance is significantly improved, have more the dirigibility in the design, construction cost reduces greatly.
Description
Technical field
The invention belongs to the microwave absorbing material class, concrete be meant that a kind of microwave dark room is with the microwave absorbing material with honeycomb type structure.
Background technology
In order to test performance, adopt microwave dark room just widely to the wireless device of free space radiated electromagnetic wave.So-called microwave dark room is meant with microwave absorbing material lays inwall to reduce wall reflection, forms the room near the echo free space of free space in a microwave dark room part.And one of key of microwave dark room performance is the performance of microwave absorbing material.
Modularization microwave absorbing material has experienced pyramid made of paper since the fifties in last century development, styrofoam, polyamine fat pyramid, gently make the process of gypsum pyramid, the difficult combustion of nonwoven fabrics pyramid.Its characteristics are by pyramid structure, electromagnetic wave are reflected repeatedly absorb to improve assimilation effect, and material height is directly proportional with electromagnetic wavelength.The appearance of polyamine fat pyramid make material to the absorption of electromagnetic wave rate of certain wavelength reach-more than the 60dB, nonwoven fabrics pyramid material has then improved the anti-power-performance of material, absorptivity also reaching in certain wavelength-more than the 50dB.
Though the microwave dark room of building with above material has satisfied the use in microwave current darkroom, all restrictions that also cause microwave dark room to use.The performance and the life-span that want to improve microwave dark room cannot again.The microwave dark room that the pyramid type microwave absorbing material of current widespread use is built exists many disadvantages, has also restricted the raising of the combination property of microwave dark room, such as:
Exist the elbow of pyramid point on the reliability of material, the loss of absorbing agent is aging, the reflective level of passageway material is crossed problems such as height.
During the large-angle inclined incident wave of electromagnetic wave, the reflective level of material is improved greatly, cause the dead zone performance decrease of microwave dark room, the difficult problem that existence can't overcome, such as incident angle from beginning to decline to a great extent, when having only vertical incidence during to 70 ° about 50% of reflectivity greater than 45 ° of reflectivity.
On the environment for use of microwave dark room, the fire fighting device installation influence is also restricting the raising of the dead zone performance of microwave dark room.Microwave absorbing material is with the growth of service time, and coming off of absorbed agent causes suspension and the accumulation of conduction dust at microwave dark room, brings hidden danger for the safety of microwave dark room.Bonding agent and the peculiar smell of material own caused the hidden danger of the microwave dark room feature of environmental protection when microwave absorbing material was installed.Large-area pyramid causes the too much use of microwave dark room daylighting reduction, illumination can the dead zone of microwave dark room to be impacted again.More the processing of aging material is again that a thorny problem, contaminated environment exist one to handle difficult realistic problem place equally during new material.Material exists also in time that the quality badness problem causes the darkroom decline of actual life, and material average life is about 10 years.The nonwoven cloth material absorptive character are comprehensive decline 30% of performance absorptive character or the like in 3 years.Cause many disadvantages and sorry all for coming into operation of microwave dark room.
Summary of the invention
The objective of the invention is according to above the deficiencies in the prior art, a kind of honeycomb-structure microwave absorbing material for microwave darkroom is provided, adopt the modularization microwave absorbing material of honeycomb structure type combination, can effectively satisfy on the basis of the various characteristics of microwave absorbing material in the market, material is taken up space reduce greatly, the cost cost is extremely low.
The object of the invention realizes being finished by following technical scheme:
A kind of honeycomb-structure microwave absorbing material for microwave darkroom, described microwave absorbing material is to be made of or two-layer at least honeycomb layer stack combinations forms the individual layer honeycomb layer, described honeycomb layer includes a plurality of cylinders, fits tightly between described cylinder and adjacent another cylinder.
Above-mentioned cylinder is a prism, and each seamed edge of described prism all fits tightly with a seamed edge of adjacent another prism; Described prism can be positive hexagonal prism.
Above-mentioned honeycomb layer single layer structure thickness range is 5mm to 20mm, and the honeycomb cylinder pore diameter range of honeycomb layer is 3mm to 10mm.
A kind of manufacture method of honeycomb-structure microwave absorbing material for microwave darkroom, at first producing the aperture is 3 millimeters to 10 millimeters, the described honeycomb layer that single layer structure thickness is 5 millimeters to 20 millimeters; Secondly, make in the scope that material reaches 50 to 270 millimeters of gross thickness by each layer is bonding; At last, at the frequency of utilization of microwave dark room, use the microwave absorbing material of different-thickness.
Described honeycomb layer is the paper keriotheca.
Advantage of the present invention is, this microwave absorbing material according to material height can make the reflective level of reflective level in certain wavelength coverage reach-50dB～-80dB, have in the market under reflective level performance same case employed microwave absorbing material incomparable load power, the microwave dark room performance is significantly improved, have more the dirigibility in the design, construction cost reduces greatly.
Description of drawings
Fig. 1 is the honeycomb schematic surface of microwave absorbing material of the present invention;
Fig. 2 is that the honeycomb axle of microwave absorbing material of the present invention is surveyed synoptic diagram;
Fig. 3 is the reflectance test rate diagram of microwave absorbing material of the present invention.
Embodiment
Feature of the present invention and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, so that technician's of the same trade understanding:
What label 1-3 represented among Fig. 1-3 is: plane hexagon 1, six prism structure bodies 2, honeycomb layer 3.
In the present embodiment, at the existing defective of microwave absorbing material that existing market is used, it is main body that planar honeycomb structure is adopted in design, carry out matching transition in conjunction with different absorbing agents, absorption module with various different qualities is made up, and is developed into eventually novel modularized, high-performance, and can regulates the modularization microwave absorbing material of microwave absorbing material height according to request for utilization.
As shown in Figure 1 and Figure 2, the surface of microwave absorbing material of the present invention is the permutation and combination of some planes hexagon 1, whole microwave absorbing material is by some honeycomb layer 3 stacks, can be individual layer honeycomb layer composition or multi-layer honeycomb structural sheet stack combinations forms, honeycomb layer 3 includes a plurality of cylinders again, fits tightly between cylinder and adjacent another cylinder.Described cylinder can be prism, selects positive six prism structure bodies 2 in the present embodiment for use, and wherein, each seamed edge of six prism structure bodies all fits tightly with a seamed edge of another six prism structures body.
In the present embodiment, the honeycomb layer single layer structure thickness range as shown in Fig. 1, Fig. 2 is 5mm to 20mm, and the honeycomb pore diameter range is 3mm to 10mm.
This microwave dark room manufacture method of honeycomb microwave absorbing material, realize by following steps: selecting the aperture for use is 3mm-10mm, the paper wasp nest of single layer structure thickness 5mm-20mm; Make in the scope that material reaches gross thickness 50mm-270mm by each layer is bonding; Use the microwave absorbing material of different-thickness at the frequency of utilization of microwave dark room.
Microwave absorbing material of the present invention not only is satisfied with the various characteristics of microwave absorbing material in the market, the institute of material is taken up space greatly reduce, and performance significantly improves, and makes no echo chamber have more the dirigibility of design, and construction cost reduces greatly.
Fig. 3 is the reflectance test rate diagram of microwave absorbing material of the present invention, as seen from the figure, according to material height make the reflective level of reflective level in certain wavelength coverage reach-50dB～-adjusting between 80dB.
Bear power: reach in the market that employed microwave absorbing material reaches incomparable load power under reflective level performance same case.
The present invention's modularization microwave absorbent material structure newly developed is compared with the pyramid type material structure, has huge prospect advantage and embodies, and mainly shows:
1, adopting planar honeycomb structure is that main body develops in conjunction with different absorbers, not only is satisfied with the various characteristics of absorbing material in the market.The shared height space of material of making a new start reduces greatly.The big spoke of performance improves.Make microwave dark room have more the dirigibility of design.The construction cost of microwave dark room reduces greatly simultaneously.
The high material of 150mm can be identical with the reflective level of the high nonwoven fabrics absorbing material of the high polyamine fat absorbing material 1200mm of 700mm.And the problem that does not exist large-angle inclined incident that reflectivity is descended.So just significantly reduced the building cost in the shared microwave dark room of material space.
2, according to the adjustment of material height (150--300mm height), the reflectivity of reflective level in certain wavelength coverage of microwave absorbing material reached-50dB～-adjusting between 80dB.Reached the tapered microwave absorbing material of conventional angular the characteristic of inaccessiable reflective level, for having created material foundation in high performance microwave of future generation darkroom.
3, bear power: utilize the ventilative property of honeycomb, make to reach the incomparable load power capacity of material under reflective level performance same case in the market.Under oxygen index reaches identical index, good ventilative performance, for the thermal diffusivity of material provides guarantee, the high-power test for test products lays the first stone.
4, adopt the plane modular design, make six of microwave dark room smooth.Thoroughly change breadboard looks and daylighting effect.All adopt green material to make, do not have various peculiar smell and harmful gas and produce, good vert space is provided, make microwave dark room really become environment-friendly laboratory.
5, the material oxygen index reaches B1 level (difficult combustion level), removes millions of input of fire fighting device of microwave dark room and the annual maintenance cost that for this reason drops into from.
6, every square metre of load-bearing of material is greater than 3 tons.The more convenient use of equipment is installed and the discrepancy and the installation of measured piece.Personnel's the arbitrariness of walking about has thoroughly solved the difference of former aisle type microwave absorbing material performance and pyramid type microwave absorbing material reflective level.Changed former microwave dark room space, the formed specific aisle of aisle material need be installed.And the history that can not arbitrarily walk about of microwave dark room.
7, make microwave dark room have more better ventilation, exhaust and illumination.
8, single piece of material (0.25 square metre) weight is 2～3 kilograms.Alleviated the load-bearing of building greatly.Reduce construction costs.
9, the returnability of material and reusability have been avoided pollution on the environment.
10, do not have the awl point structure, avoided because of the awl beak, fractureing influences the performance of microwave dark room, and the characteristic of microwave dark room and serviceable life are prolonged greatly.
11, suspension type is installed, and material for convenience detach can change the use of microwave dark room flexibly, with the microwave dark room of single test purpose, changes over may coming true of multifunctional testing microwave dark room easily.
12, make the cleaning of microwave dark room become possibility, avoided former microwave dark room to build up after, just can't clean, the accumulation of dust descends the microwave dark room overall performance, the harm that security reduces has become history.
13, the phase of coming into operation after microwave dark room builds up shifts to an earlier date greatly, need not wait for, can come into operation.Avoided former microwave dark room palpus routing of layout, determined a series of problems such as location of transmitting-receiving article, simplified the variety of problems of test zone, and given out various harmful gases after the pyramid type microwave absorbing material installation end, required ventilation is the waiting period of distributing.
At present, product specification is various both at home and abroad, and washability is good.New varieties are many, developed spindle-type garden pyramid as ETS and improved the reflection of material and scattering properties etc. greatly, but also do not developed into the performance and the level of product of the present invention at present, and main cause is problems such as cost.
Though below design and embodiment according to the object of the invention are described in detail with reference to accompanying drawing, but those of ordinary skills can recognize, under the precondition that does not break away from the claim limited range, still can make various improvement and conversion to the present invention.
Claims (7)
1. honeycomb-structure microwave absorbing material for microwave darkroom, it is characterized in that described microwave absorbing material is to be made of or two-layer at least honeycomb layer stack combinations forms the individual layer honeycomb layer, described honeycomb layer includes a plurality of cylinders, fits tightly between described cylinder and adjacent another cylinder.
2. a kind of honeycomb-structure microwave absorbing material for microwave darkroom as claimed in claim 1 is characterized in that described cylinder is a prism, and each seamed edge of described prism all fits tightly with a seamed edge of adjacent another prism.
3. a kind of honeycomb-structure microwave absorbing material for microwave darkroom as claimed in claim 2 is characterized in that described prism is positive hexagonal prism.
4. a kind of honeycomb-structure microwave absorbing material for microwave darkroom as claimed in claim 1 is characterized in that described honeycomb layer single layer structure thickness range is 5mm to 20mm.
5. a kind of honeycomb-structure microwave absorbing material for microwave darkroom as claimed in claim 1 is characterized in that the cylinder pore diameter range in the described honeycomb layer is 3mm to 10mm.
6. the manufacture method of a honeycomb-structure microwave absorbing material for microwave darkroom is characterized in that, at first producing the aperture is 3 millimeters to 10 millimeters, the honeycomb layer that single layer structure thickness is 5 millimeters to 20 millimeters; Secondly, make in the scope that material reaches 50 to 270 millimeters of gross thickness by each layer is bonding; At last, at the frequency of utilization of microwave dark room, use the microwave absorbing material of different-thickness.
7. the manufacture method of a kind of honeycomb-structure microwave absorbing material for microwave darkroom as claimed in claim 6 is characterized in that described honeycomb layer is the paper keriotheca.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100513478A CN101609721A (en) | 2009-05-15 | 2009-05-15 | Honeycomb-structure microwave absorbing material for microwave darkroom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100513478A CN101609721A (en) | 2009-05-15 | 2009-05-15 | Honeycomb-structure microwave absorbing material for microwave darkroom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101609721A true CN101609721A (en) | 2009-12-23 |
Family
ID=41483423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100513478A Pending CN101609721A (en) | 2009-05-15 | 2009-05-15 | Honeycomb-structure microwave absorbing material for microwave darkroom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101609721A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104735964A (en) * | 2015-02-02 | 2015-06-24 | 邓秀梅 | Microwave-absorbing material for microwave chamber and printing production method thereof |
| CN107465001A (en) * | 2016-06-06 | 2017-12-12 | 邵波 | A kind of hidden method and device |
| CN109774211A (en) * | 2017-11-14 | 2019-05-21 | 深圳光启尖端技术有限责任公司 | The preparation method of impedance transition mechanism suction wave honeycomb ceramics |
| CN111457237A (en) * | 2020-05-26 | 2020-07-28 | 北京安达泰克科技有限公司 | Flexible honeycomb structure and manufacturing method thereof |
| CN111492089A (en) * | 2017-12-25 | 2020-08-04 | 堺显示器制品株式会社 | Vapor deposition mask, vapor deposition method, and method for manufacturing organic E L display device |
-
2009
- 2009-05-15 CN CNA2009100513478A patent/CN101609721A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104735964A (en) * | 2015-02-02 | 2015-06-24 | 邓秀梅 | Microwave-absorbing material for microwave chamber and printing production method thereof |
| CN104735964B (en) * | 2015-02-02 | 2018-04-27 | 邓秀梅 | Microwave dark room absorbing material and its method for printing production method |
| CN107465001A (en) * | 2016-06-06 | 2017-12-12 | 邵波 | A kind of hidden method and device |
| CN107465001B (en) * | 2016-06-06 | 2021-02-26 | 邵波 | Stealth method and device |
| CN109774211A (en) * | 2017-11-14 | 2019-05-21 | 深圳光启尖端技术有限责任公司 | The preparation method of impedance transition mechanism suction wave honeycomb ceramics |
| CN111492089A (en) * | 2017-12-25 | 2020-08-04 | 堺显示器制品株式会社 | Vapor deposition mask, vapor deposition method, and method for manufacturing organic E L display device |
| CN111457237A (en) * | 2020-05-26 | 2020-07-28 | 北京安达泰克科技有限公司 | Flexible honeycomb structure and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101609721A (en) | Honeycomb-structure microwave absorbing material for microwave darkroom | |
| CN202064533U (en) | Intensive vertical lock stitch surface-supporting aluminum-magnesium-manganese alloy roof | |
| CN202064534U (en) | Multifunctional vertical lockrand point-supporting aluminum-magnesium-manganese alloy roof | |
| CN102682759A (en) | Multilayer sound-absorption wedge having resonance sound absorption structure | |
| CN101550744A (en) | Honeycomb composite clean wall plate | |
| CN102704585A (en) | Construction technology for noncombustible type double-interlayer foam concrete insulation board | |
| CN106245779A (en) | Integral prefabricated modular architectural construction technology based on UHPC material and system | |
| CN108147838A (en) | A kind of haydite concrete, assembled combined wall board and preparation method thereof | |
| CN201288393Y (en) | Honeycomb composite lustration wall plate | |
| CN101806121A (en) | Sound-insulation metal roof | |
| CN201671244U (en) | Novel sound isolation metal roof | |
| CN113404252B (en) | Damping sound insulation floor | |
| CN206971503U (en) | A kind of spliced floor | |
| CN206503273U (en) | A kind of compound heat-preserving wall of light steel skeleton | |
| CN205776833U (en) | A kind of high reflective insulation building board | |
| CN211616866U (en) | Corrugated sandwich plate with periodic reinforced composite structure | |
| CN210939848U (en) | Preparation system of light partition wall sound insulation heat preservation slat | |
| CN206812529U (en) | Hot type aluminum honeycomb panel | |
| CN102619311B (en) | Method for constructing green and energy-saving building | |
| CN203613680U (en) | Wooden wallboard keel structure | |
| CN101871250A (en) | Fiber phenolic finished thermal-insulating decorative board | |
| CN208792541U (en) | Compound sound absorption wall body structure | |
| CN2479093Y (en) | Acoustic composite panen | |
| CN201679205U (en) | High-efficiency energy-saving light lower air-supply aerial composite floor | |
| CN201901976U (en) | Honeycomb composite wall plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20091223 |