CN205786872U - For measuring the electromagnetic pulse diagnostic equipment of high power large-scale laser - Google Patents
For measuring the electromagnetic pulse diagnostic equipment of high power large-scale laser Download PDFInfo
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- CN205786872U CN205786872U CN201620691692.3U CN201620691692U CN205786872U CN 205786872 U CN205786872 U CN 205786872U CN 201620691692 U CN201620691692 U CN 201620691692U CN 205786872 U CN205786872 U CN 205786872U
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Abstract
The utility model discloses a kind of electromagnetic pulse diagnostic equipment for measuring high power large-scale laser, this device is applicable to power: 10 ~ 60TW, laser aid size is: the large-scale laser of 1 ~ 5m radius, and n sub-miniature A connector is embedded on the blind plate of circle in n the hole arranged；The left end of hack lever is fixing with the center of blind plate to be connected, and right-hand member is fixing with the center of inner panel to be connected；The left end of bracing frame is cased with antenna connector, and bracing frame passes inner panel, and is fixed with inner panel by lock sleeve；The left end of coaxial cable passes antenna connector and is connected with antenna, and right-hand member connects sub-miniature A connector；Housing covers in the outside of hack lever.The electromagnetic pulse diagnostic equipment for measuring high power large-scale laser of the present utility model is provided with n bracing frame and antenna connector, many moneys antenna can be simultaneously connected with, gather field signal and the electric field signal of different azimuth simultaneously, when measuring for multiple time, as antenna need to be changed, need not detaching equipment, it is only necessary to the sub-miniature A connector that conversion is corresponding.This device has simple in construction, advantage easy for installation, easy to use.
Description
Technical field
This utility model belongs to the fields of measurement of high power large-scale laser electromagnetic field spatial distribution, is specifically related to a kind of use
In the electromagnetic pulse diagnostic equipment measuring high power large-scale laser.
Background technology
In plasma environment, induction excites a large amount of electromagnetic pulse (Electromagnetic pulse, EMP), these arteries and veins
Punching distribution frequency domain is wide, and intensity is big, not only affects the accuracy of diagnostic data mining for vehicles, even damage equipment time serious.And its thing
Reason mechanism is extremely complex, measures electromagnetic field spatial distribution to analyzing complicated plasma environment and also functions to certain assosting effect.
The method measuring built-in field distribution is directly to be inserted by the antennas such as B-dot magnetic field antenna, D-dot electric field antenna
In plasma, calculate magnetic field or Electric Field Distribution by measuring curtage value.Single B-dot magnetic field antenna or D-dot
Electric field antenna can only measure magnetic field or the electric field signal of local positions, for obtaining magnetic field or the propagation machine of electric field of electromagnetic pulse
Reason, need to detect many places electromagnetic field spatial distribution in a region, it is necessary to arrange multiple antenna simultaneously.At present, in an experiment, logical
Often need kind and the position of often conversion antenna, and inside large scale laser instrument, high vacuum environment often, and diagnostic system
Volume own is relatively big, heavier mass, is unfavorable for installation and the position adjustment of antenna, needs a kind of special device badly and improves the row of antenna
Cloth and change efficiency.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of electromagnetism arteries and veins for measuring high power large-scale laser
Rush the diagnostic equipment.
The electromagnetic pulse diagnostic equipment for measuring high power large-scale laser of the present utility model, is characterized in, described
The electromagnetic pulse diagnostic equipment be cylindric, including:
1 blind plate, for circle, is arranged on large scale laser instrument；
N sub-miniature A connector；
N bracing frame, the adjustable length of bracing frame, the center hollow out of bracing frame, built-in coaxial cable, rises coaxial cable
To certain electromagnetic shielding action, interlock and lay, intercoupling between antenna can be reduced；
1 housing, for cylinder, is used for reducing the signal disturbing of coaxial cable；
N lock sleeve, for fixing support rack；
N antenna connector, for stationary electric field antenna and magnetic field antenna, and has protective effect to antenna；
1 hack lever, for cylinder, is used for connecting inner panel and blind plate；
1 inner panel, for circle, is used for installing n bracing frame；
N root coaxial cable；
Its annexation is, n described sub-miniature A connector is embedded on the blind plate of circle in n the hole arranged；Described
The left end of hack lever is fixing with the center of blind plate to be connected, and right-hand member is fixing with the center of inner panel to be connected；The left end set of described bracing frame
Having antenna connector, bracing frame passes inner panel, and is fixed with inner panel by lock sleeve；The left end of described coaxial cable passes sky
Line union joint is connected with antenna, and right-hand member connects sub-miniature A connector；Described housing covers in the outside of hack lever.
Described housing is equipped with inner panel.
Described blind plate and inner panel are that concentric is arranged.
The quantity of described sub-miniature A connector, bracing frame, lock sleeve, antenna connector and coaxial cable is identical, one_to_one corresponding.
A kind of electromagnetic pulse diagnostic equipment for measuring high power large-scale laser of the present utility model is applicable to power:
10 ~ 60TW, laser aid size is: the large-scale laser of 1 ~ 5m radius.Blind plate sealing is placed in laser aid cavity wall.Will
The recording equipments such as sub-miniature A connector is embedded in the hole of blind plate, external oscillograph, interior connection coaxial cable.Same in laser aid
Axis cable is placed in the bracing frame being correspondingly arranged, and shields electromagnetic interference.Further, design housing covers in hack lever and coaxial cable
Outward, the electromagnetic shielding in laser aid is realized further.By bracing frame, adjust the distance of antenna and signal emitting-source.Use
Lock sleeve fixing support rack.
The electromagnetic pulse diagnostic equipment for measuring high power large-scale laser of the present utility model is provided with n bracing frame
With antenna connector, many moneys antenna can be simultaneously connected with, gather field signal and the electric field signal of different azimuth simultaneously.Antenna is with blind
Sub-miniature A connector one_to_one corresponding on plate, is seal-installed in laser aid, especially when measuring for multiple time, as changed antenna, no
Need detaching equipment, it is only necessary to the sub-miniature A connector that conversion is corresponding.Of the present utility model for measuring high power large-scale laser
Electromagnetic pulse diagnostic equipment simple in construction, easy for installation, easy to use.
Accompanying drawing explanation
Fig. 1 is the structural representation of the electromagnetic pulse diagnostic equipment for measuring high power large-scale laser of the present utility model
Figure；
Fig. 2 is the appearance schematic diagram after suit housing；
In figure, 1. blind plate 2.SMA joint 3. bracing frame 4. housing 5. lock sleeve 6. antenna connector 7. hack lever
8. inner panel 9. coaxial cable.
Detailed description of the invention
Describe this utility model below in conjunction with the accompanying drawings in detail.
As shown in Figure 1 and Figure 2, the electromagnetic pulse diagnostic equipment for measuring high power large-scale laser of the present utility model
For cylindrical shape, including:
1 blind plate 1, for circle；
N sub-miniature A connector 2；
N bracing frame 3, the adjustable length of bracing frame 3, the center hollow out of bracing frame 3, built-in coaxial cable 9；
1 housing 4, for cylinder, is used for reducing the signal disturbing of coaxial cable；
N lock sleeve 5；
N antenna connector 6, for stationary electric field antenna and magnetic field antenna, and has protective effect to antenna；
1 hack lever 7, for cylinder；
1 inner panel 8, for circle；
N root coaxial cable 9；
Its annexation is, described n sub-miniature A connector 2 is embedded on the blind plate 1 of circle in n the hole arranged；Described
The center of left end and blind plate 1 of hack lever 7 fixing is connected, right-hand member is fixed with the center of inner panel 8 and is connected；Described bracing frame 3
Left end is cased with antenna connector 6, and bracing frame 3 is through inner panel 8, and is fixed with inner panel 8 by lock sleeve 5；Described coaxial cable 9
Left end pass antenna connector 6 and be connected with antenna, right-hand member connects sub-miniature A connector 2；Described housing 4 covers in outside hack lever 7
Face.
Described housing 4 is equipped with inner panel 8.
Described blind plate 1 is arranged for concentric with inner panel 8.
Described sub-miniature A connector 2, bracing frame 3, lock sleeve 5, antenna connector 6 are identical with the quantity of coaxial cable 9, one by one
Corresponding.
The of the present utility model electromagnetic pulse diagnostic equipment for measure high power large-scale laser is described below worked
Journey:
A. according to measuring needs, many moneys antenna is connected, and by of the present utility model for measuring high power large-scale laser
The electromagnetic pulse diagnostic equipment be placed in region to be measured；
B. gather electric potential difference signal by antenna, be transferred to oscillograph recording；
C. data handling procedure is as follows.
C1. the data of magnetic field antenna process:
Utilize and measure the magnitude of voltage obtainedV, according to the law of electromagnetic induction,, , pass through Integration Solving
Obtain magnetic field dataB 。
C2. electric field antenna data process:
Utilize and measure the magnitude of voltage obtainedV, in conjunction with transmission function, wherein,, the voltage time-domain value that will detectV, obtain frequency domain value, antenna gain factor by fast Fourier transformGBy electricity
The all-wave 3 D electromagnetic simulation software of magnetic FEM method obtains.Electric field value is calculated on frequency domainE, finally by anti-Fourier
Convert to obtain the distribution of electric field time domain.
The equal energy of each parts in the electromagnetic pulse diagnostic equipment for measuring high power large-scale laser of the present utility model
Enough remove and install easily, sub-miniature A connector, lock sleeve, the quantity of antenna connector, bracing frame, the quantity of coaxial cable, length
Degree, the size etc. of blind plate and radome all can be adjusted according to the situation of electromagnetic pulse environmental area to be measured.
The present invention is not limited to above-mentioned detailed description of the invention, person of ordinary skill in the field from above-mentioned design,
Without performing creative labour, done all conversion, within all falling within protection scope of the present invention.
Claims (4)
1. the electromagnetic pulse diagnostic equipment being used for measuring high power large-scale laser, it is characterised in that described electromagnetism arteries and veins
Rushing the diagnostic equipment is cylindrical shape, including:
1 blind plate (1), for circle；
N sub-miniature A connector (2)；
N bracing frame (3), the adjustable length of bracing frame (3), the center hollow out of bracing frame (3), built-in coaxial cable (9)；
1 housing (4), for cylinder, is used for reducing the signal disturbing of coaxial cable；
N lock sleeve (5)；
N antenna connector (6), for stationary electric field antenna and magnetic field antenna, and has protective effect to antenna；
1 hack lever (7), for cylinder；
1 inner panel (8), for circle；
N root coaxial cable (9)；
Its annexation is, described n sub-miniature A connector (2) is embedded in upper n the hole arranged of blind plate (1) of circle；Described
The center of left end and blind plate (1) of hack lever (7) fixing is connected, right-hand member is fixed with the center of inner panel (8) and is connected；Described support
The left end of frame (3) is cased with antenna connector (6), and bracing frame (3) passes inner panel (8), and solid with inner panel (8) by lock sleeve (5)
Fixed；The left end of described coaxial cable (9) passes antenna connector (6) and is connected with antenna, and right-hand member connects sub-miniature A connector (2)；Described
Housing (4) cover in the outside of hack lever (7).
The electromagnetic pulse diagnostic equipment for measuring high power large-scale laser the most according to claim 1, its feature exists
In, described housing (4) is equipped with inner panel (8).
The electromagnetic pulse diagnostic equipment for measuring high power large-scale laser the most according to claim 1, its feature exists
In, described blind plate (1) and inner panel (8) they are that concentric is arranged.
The electromagnetic pulse diagnostic equipment for measuring high power large-scale laser the most according to claim 1, its feature exists
In, described sub-miniature A connector (2), bracing frame (3), lock sleeve (5), antenna connector (6) are identical with the quantity of coaxial cable (9),
One_to_one corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620691692.3U CN205786872U (en) | 2016-07-05 | 2016-07-05 | For measuring the electromagnetic pulse diagnostic equipment of high power large-scale laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620691692.3U CN205786872U (en) | 2016-07-05 | 2016-07-05 | For measuring the electromagnetic pulse diagnostic equipment of high power large-scale laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205786872U true CN205786872U (en) | 2016-12-07 |
Family
ID=58127396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620691692.3U Active CN205786872U (en) | 2016-07-05 | 2016-07-05 | For measuring the electromagnetic pulse diagnostic equipment of high power large-scale laser |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110716095A (en) * | 2019-09-05 | 2020-01-21 | 北京航空航天大学 | Multi-state measurement method and device for passive intermodulation nonlinear characteristic parameters |
| CN113433395A (en) * | 2021-06-09 | 2021-09-24 | 北京大学 | Electromagnetic pulse radiation characteristic measuring device and measuring method thereof |
-
2016
- 2016-07-05 CN CN201620691692.3U patent/CN205786872U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110716095A (en) * | 2019-09-05 | 2020-01-21 | 北京航空航天大学 | Multi-state measurement method and device for passive intermodulation nonlinear characteristic parameters |
| CN113433395A (en) * | 2021-06-09 | 2021-09-24 | 北京大学 | Electromagnetic pulse radiation characteristic measuring device and measuring method thereof |
| CN113433395B (en) * | 2021-06-09 | 2022-03-25 | 北京大学 | Electromagnetic pulse radiation characteristic measuring device and measuring method thereof |
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