CN203616266U - Biological effect tester - Google Patents
Biological effect tester Download PDFInfo
- Publication number
- CN203616266U CN203616266U CN201320863231.6U CN201320863231U CN203616266U CN 203616266 U CN203616266 U CN 203616266U CN 201320863231 U CN201320863231 U CN 201320863231U CN 203616266 U CN203616266 U CN 203616266U
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- medium
- loudspeaker
- ladder
- biological effect
- halfpace
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Abstract
A biological effect tester relates to a tester. The ventilated and euphotic biological effect tester working in the frequency band of 1.7-2.4 GHz and irradiated by microwave is provided. The biological effect tester is provided with a step horn, a medium sleeve, a feed probe, a medium halfpace, a testing small chamber, a wave-absorbing cover plate, metal handles and a metal base; the step horn is of a trapezoid horn connected by multiple sections; at least two through holes are respectively formed in each of two narrow walls at the top of the step horn; the medium sleeve is arranged at the bottom of the inner cavity of the step horn; the medium sleeve is wrapped by the feed probe; the medium halfpace is arranged at the upper part in the step horn; the testing small chamber is arranged at the top of the medium halfpace; the wave-absorbing cover plate is arranged at the top of the step horn; the metal handles are arranged on the wave-absorbing cover plate; the metal base is arranged at the bottom of the step horn. The shielding performance between the biological effect tester and the outside is good and the biological effect tester is easy to machine and operate, ventilated and euphotic, and electromagnetic fields in the testing small chamber in the device are uniform in energy distribution.
Description
Technical field
The utility model relates to a kind of proving installation, especially relates to a kind of biological effect proving installation.
Background technology
The development of electromagnetic technique has been created huge material progress to the mankind, but also people has been brought in an environment that is full of artificial electromagnetic irradiation.The application of electromagnetic field irradiation technique is increasingly extensive, spreads all over all trades and professions such as industry, business, health care, scientific research.Research shows, high-intensity electromagnetic field irradiates can produce various harmful effects, and in order to protect public health, the biological effect that must irradiate electromagnetic field be carried out analysis and the judgement of science, and according to the galvanomagnetic effect of the possible harm humans health of result deduction.How to improve the homogeneity of electromagnetic field irradiation and the shielding properties of experimental provision and become the emphasis in field for this reason, in addition, as experimental provision, good air permeability and light transmission and ease for operation are also answered special concern.
One of along with the research of microwave frequency band biological effect is further extensive, the citizens' radio band resource-constrained of domestic opening, selects suitable frequency range also very crucial, and 1.7～2.4GHz is the most frequently used at present, and the maximum frequency range of related application equipment.
Summary of the invention
The purpose of this utility model is to provide a kind of biological effect proving installation of the ventilation and penetrating light that works in 1.7～2.4GHz frequency range microwave irradiation.
The utility model is provided with ladder loudspeaker, medium socket, feed probes, medium halfpace, test cell, inhales ripple cover plate, metal handle and metab;
Described ladder loudspeaker are the scalar horn that multistage connects, and at ladder loudspeaker top, two narrow walls are respectively equipped with at least 2 through holes; Medium socket is located at ladder loudspeaker intracavity bottom, medium socket is coated by feed probes, medium halfpace is located at ladder loudspeaker internal upper part, test cell is located at the top of medium halfpace, inhale ripple cover plate and be located at ladder loudspeaker top, metal handle is arranged on inhales on ripple cover plate, and metab is arranged on ladder loudspeaker bottom.
The thickness of described ladder loudspeaker can be 0.254cm.
Described through hole can be circular hole, and Circularhole diameter can be 1cm, and through-hole spacing can be 1.5cm.
Structure of the present utility model is by the traditional notch cuttype that is improved to, and feeding classification is 50 ohm of coaxial feedings of standard; Respectively open the through hole of some numbers at ladder loudspeaker top two narrow walls, object is to realize the environment of ventilation and penetrating light to biological specimen to be measured, will guarantee shielding properties of the present utility model simultaneously.The object of medium halfpace is to support biological specimen to be measured.The large I of test cell is determined according to the homogeneity of electromagnetic field power density, for loading biological specimen to be measured.Inhale ripple cover plate and make the sealing of the utility model structure, prevent electromagnetic wave energy leakage, shield with the external world.Metal handle is arranged on inhales on ripple cover plate, easy disassembly.Metab is welded on the bottom of ladder loudspeaker, for supporting whole device.
Feature of the present utility model is: good with extraneous shielding properties, and easily processing, easy to operate, ventilation and penetrating light, the energy of electromagnetic field that installs inner test cell is evenly distributed.
Accompanying drawing explanation
Fig. 1 is the axle side schematic diagram of the utility model embodiment.
Fig. 2 is the axle side schematic diagram of the ladder loudspeaker of the utility model embodiment.
Fig. 3 is the enlarged diagram of the ladder loudspeaker feed part A of the utility model embodiment.
Fig. 4 is the E face schematic diagram of the utility model embodiment.
Fig. 5 is the H face schematic diagram of the utility model embodiment.
Embodiment
The utility model is described in further detail in connection with accompanying drawing for following examples.
Referring to Fig. 1～5, the utility model embodiment is provided with ladder loudspeaker 1, medium socket 3, feed probes 4, medium halfpace 5, test cell 6, inhales ripple cover plate 7, metal handle 8 and metab 9.Described ladder loudspeaker 1, for the scalar horn that multistage connects, are respectively equipped with 3 through holes 2 at the ladder loudspeaker 1 narrow wall in top two; Medium socket 3 is located at ladder loudspeaker 1 intracavity bottom, medium socket 3 is coated by feed probes 4, medium halfpace 5 is located at ladder loudspeaker 1 internal upper part, test cell 6 is located at the top of medium halfpace 5, inhale ripple cover plate 7 and be located at ladder loudspeaker 1 top, metal handle 8 is arranged on inhales on ripple cover plate 7, and metab 9 is arranged on ladder loudspeaker 1 bottom.
The thickness of described ladder loudspeaker 1 is 0.254cm.
Described through hole 2 is circular hole, and Circularhole diameter is 1cm, and through-hole spacing is 1.5cm.
Empirical tests, through hole 2 can be ignored the leakage of ladder loudspeaker 1 internal electromagnetic field energy, and shielding properties is good.
It is 1～1.05 microwave dielectric material that medium halfpace 5 is selected specific inductive capacity, and it is 1.02 foam (but being not limited to foam) that the utility model is selected specific inductive capacity, and medium halfpace 5 can be ignored on the impact of ladder loudspeaker 1 internal electromagnetic field distribution.
The size of test cell 6 is 15cm × 15cm × 10cm(note: be about respectively ± 0.70dB of the amplitude of variation@1.7GHz of the different frequent points of the electromagnetic field power density in test cell 6 in impedance bandwidth of the present utility model, ± 0.58dB@2.0GHz, ± 0.72dB@2.4GHz), test cell 6 can manually be positioned in ladder loudspeaker 1, be difficult for moving, have good stability.
Inhale the microwave absorbing material processing that ripple cover plate 7 can be 1.7～2.4GHz by working frequency range and obtain, object is by the utility model sealing, prevents electromagnetic wave energy leakage.
Metab 9 is welded on the bottom of ladder loudspeaker 1, plays a supportive role.
Use-pattern of the present utility model: the utility model is stood on ground, laboratory, signal source is by 50 ohm of coaxial pair the utility model feeds of standard, medium halfpace 5 is placed in to ladder loudspeaker 1 inside, keep fixing, biological specimen to be measured is placed in test cell 6, and 1 mouthful, ladder loudspeaker cover tightly with inhaling ripple cover plate 7.
Claims (5)
1. a biological effect proving installation, is characterized in that being provided with ladder loudspeaker, medium socket, feed probes, medium halfpace, test cell, inhales ripple cover plate, metal handle and metab; Described ladder loudspeaker are the scalar horn that multistage connects, and at ladder loudspeaker top, two narrow walls are respectively equipped with at least 2 through holes; Medium socket is located at ladder loudspeaker intracavity bottom, medium socket is coated by feed probes, medium halfpace is located at ladder loudspeaker internal upper part, test cell is located at the top of medium halfpace, inhale ripple cover plate and be located at ladder loudspeaker top, metal handle is arranged on inhales on ripple cover plate, and metab is arranged on ladder loudspeaker bottom.
2. a kind of biological effect proving installation as claimed in claim 1, the thickness that it is characterized in that described ladder loudspeaker is 0.254cm.
3. a kind of biological effect proving installation as claimed in claim 1, is characterized in that described through hole is circular hole.
4. a kind of biological effect proving installation as claimed in claim 3, the diameter that it is characterized in that described circular hole is 1cm.
5. a kind of biological effect proving installation as claimed in claim 1, is characterized in that described through-hole spacing is 1.5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320863231.6U CN203616266U (en) | 2013-12-25 | 2013-12-25 | Biological effect tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320863231.6U CN203616266U (en) | 2013-12-25 | 2013-12-25 | Biological effect tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203616266U true CN203616266U (en) | 2014-05-28 |
Family
ID=50768900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320863231.6U Expired - Fee Related CN203616266U (en) | 2013-12-25 | 2013-12-25 | Biological effect tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203616266U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111349559A (en) * | 2020-03-13 | 2020-06-30 | 中国人民解放军军事科学院军事医学研究院 | Small broadband microwave biological effect irradiation device |
-
2013
- 2013-12-25 CN CN201320863231.6U patent/CN203616266U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111349559A (en) * | 2020-03-13 | 2020-06-30 | 中国人民解放军军事科学院军事医学研究院 | Small broadband microwave biological effect irradiation device |
| CN111349559B (en) * | 2020-03-13 | 2022-10-14 | 中国人民解放军军事科学院军事医学研究院 | Small broadband microwave biological effect irradiation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20181225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |