CN209132353U - Electromagnetic shielding performance testing device under the conditions of a kind of reverberation chamber - Google Patents
Electromagnetic shielding performance testing device under the conditions of a kind of reverberation chamber Download PDFInfo
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- CN209132353U CN209132353U CN201821846396.1U CN201821846396U CN209132353U CN 209132353 U CN209132353 U CN 209132353U CN 201821846396 U CN201821846396 U CN 201821846396U CN 209132353 U CN209132353 U CN 209132353U
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- fixed
- shell
- conditions
- reverberation chamber
- electromagnetic shielding
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Abstract
The utility model discloses electromagnetic shielding performance testing devices under the conditions of a kind of reverberation chamber, including pedestal, fixed ring and shell, universal wheel is connected with below the pedestal, and balancing leg is installed on the right side of universal wheel, shaft is connected on the right side of the fixed ring, fixed block is mounted on the right side of the shaft, the inside of the shell is equipped with battery, supporting table is mounted with above the shell, the supporting table is internally provided with slideway, the rear of the sliding block is fixed with extension board, fixed link is installed above the supporting table, the fixed link is internally provided with sliding groove, stop screw is installed on the left of the strut, it is described to turn that wave generator is installed above ball.It is steady when electromagnetic shielding performance testing device is placed under the conditions of the reverberation chamber, it can adapt to broken terrain, the manpower that expends when mobile, time and efforts are less, the platform of record test result can be provided for staff, and can be adjusted according to user's habit.
Description
Technical field
The utility model relates to reverberation chamber shield effectiveness the field of test technology, electromagnetic screen under the conditions of specially a kind of reverberation chamber
Cover performance testing device.
Background technique
Electric wave reverberation chamber is a large scale and the shielding chamber with highly conductive reflection metope composition, is usually pacified in chamber
One or several mechanical stirrers or tuner are filled, changes the boundary condition of chamber by the rotation of blender, and then in chamber
Indoor formation counts uniform, isotropism and random polarization electromagnetic environment, and the test of electromagnet shield effect is carried out to reverberation chamber
It needs using to dedicated test device.
However, existing test device is not stable enough when placing, broken terrain is not adapted to, it is more troublesome, no
It is convenient for moving, device, which is moved in reverberation chamber, to be made to need to expend more manpower, time and efforts, cannot be work people
Member provides the platform of record test result, not humanized enough, and can not be adjusted according to the habit and demand of user, is
This, it is proposed that it is steady when a kind of placement, it can adapt to broken terrain, the manpower expended when mobile, time and efforts
It is less, the platform of record test result can be provided for staff, and the test being adjusted can be accustomed to according to user
Device.
Utility model content
The purpose of this utility model is to provide electromagnetic shielding performance testing devices under the conditions of a kind of reverberation chamber, on solving
State proposed in background technique existing test device place when it is not stable enough, do not adapt to broken terrain, it is more troublesome,
It is not easy to be moved, device, which is moved in reverberation chamber, to be made to need to expend more time and efforts, cannot be staff
The problem of providing the platform of record test result, not enough hommization, and can not being adjusted according to the habit and demand of user.
To achieve the above object, the utility model provides the following technical solutions: effect is electromagnetically shielded under the conditions of a kind of reverberation chamber
Can test device, including pedestal, fixed ring and shell are connected with universal wheel, and the right side peace of universal wheel below the pedestal
Equipped with balancing leg, shaft is connected on the right side of the fixed ring, and fixed ring is located at the top of balancing leg, the right side of the shaft
It is mounted with fixed block, and is welding between fixed block and pedestal, the inside of the shell is equipped with battery, and shell is located at bottom
The top of seat, supporting table is mounted with above the shell, and the supporting table is internally provided with slideway, and the inside peace of slideway
It is equipped with sliding block, the rear of the sliding block is fixed with extension board, and fixed link, and a left side for fixed link are equipped with above the supporting table
Side is connected with reinforcing rib, and the fixed link is internally provided with sliding groove, and the positioned inside of sliding groove has strut, the strut
Left side stop screw is installed, and be connected with above strut and turn ball, it is described to turn that wave generator is installed above ball.
Preferably, to be threadedly coupled between the balancing leg and fixed ring, and balancing leg is by shaft and fixed ring and admittedly
Determine block and constitutes rotational structure.
Preferably, the bottom end surface of the bottom end surface of the balancing leg and universal wheel is located at same horizontal line, and balances
Foot is fixedly connected by fixed block with pedestal.
It preferably, is in coated structure, and the vertical center between battery and shell between the shell and battery
Line coincides.
It preferably, is punch forming between the extension board and sliding block, and extension board passes through matching between sliding block and slideway
It closes and constitutes sliding translation structure with supporting table.
Preferably, the wave generator is flexibly connected by turning ball with strut, and electric wave hair is located between strut
Four endpoints of life device bottom, and strut constitutes sliding lifting structure, and fixed link, reinforcement by sliding groove and fixed link
Structure triangular in shape between muscle and supporting table.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, the utility model passes through the setting of balancing leg, fixed ring, shaft, fixed block and universal wheel, and balancing leg is to device
The effect of balanced support is provided, places device smoothly, the stability of device is improved, passes through balancing leg and fixation
Threaded connection between ring is finely adjusted the position of balancing leg vertical direction, to allow to adapt to uneven
Ground, improve the stability of device, when needing to move device, can be turned fixed ring by shaft, from
And turn balancing leg, so that balancing leg is not hampered the movement of device, pedestal and ground when universal wheel can be mobile by device
Between frictional force rolling friction is transformed by sliding friction, be greatly reduced device it is mobile when the friction that is generated with ground
Power keeps the movement of device more convenient, and fixed block improves the fastness connected between balancing leg and pedestal, to improve dress
The fastness set；
2, the utility model passes through the setting of extension board, supporting table, slideway and sliding block, applies active force to extension board, makes
Sliding block is moved in slideway, to make extension board that the movement in horizontal direction occur, extracts extension board from supporting table out,
It can be recorded in the data that its surface obtains test after extension board extraction, keep the use of device more convenient, it is therefore prevented that
It obtains a result and is but difficult to record it, and operator occur and forget that result needs to re-start the onerous conditions of test；
3, the utility model passes through strut by strut, fixed link, wave generator, the setting for turning ball and stop screw
Movement in fixed link internal slide slot, the adjusting being able to drive in wave generator progress height, passes through pivot stop spiral shell
The position of strut can be fixed in silk, the model DG1022Z of wave generator, after device is moved in reverberation chamber,
The electromagnet shield effect of reverberation chamber is tested by wave generator sending electromagnetic wave, it is same by wave generator bottom end
The lifting of capable or same column two struts, makes to turn ball to rotate, so that wave generator be driven to carry out the adjusting in angle, makes
Wave generator can carry out the adjusting in angle according to the habit of user.
Detailed description of the invention
Fig. 1 is the utility model schematic view of the front view；
Fig. 2 is the utility model balancing leg structural schematic diagram；
Fig. 3 is enlarged structure schematic diagram at the utility model A.
In figure: 1, pedestal；2, universal wheel；3, balancing leg；4, fixed ring；5, shaft；6, fixed block；7, shell；8, electric power storage
Pond；9, supporting table；10, slideway；11, sliding block；12, extension board；13, fixed link；14, reinforcing rib；15, sliding groove；16, strut；
17, stop screw；18, turn ball；19, wave generator.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-3, the utility model provides a kind of technical solution: electromagnet shield effect is surveyed under the conditions of a kind of reverberation chamber
Trial assembly is set, including pedestal 1, fixed ring 4 and shell 7, and the lower section of pedestal 1 is connected with universal wheel 2, and the right side installation of universal wheel 2
There is balancing leg 3, the right side of fixed ring 4 is connected with shaft 5, and fixed ring 4 is located at the top of balancing leg 3, the right side placement of shaft 5
There is fixed block 6, and is threadedly coupled between balancing leg 3 and fixed ring 4 between fixed block 6 and pedestal 1 for welding, and balancing leg 3
Rotational structure is constituted by shaft 5 and fixed ring 4 and fixed block 6, balancing leg 3 provides the effect of balanced support to device, makes
Device can be placed smoothly, and the stability of device is improved, and by the threaded connection between balancing leg 3 and fixed ring 4, make to put down
The position of weighing apparatus 3 vertical direction of foot can be finely adjusted, to allow to adapt to broken terrain, improve the steady of device
It is qualitative, when needing to move device, 4 turns of fixed ring can be risen by shaft 5, so that 3 turns of balancing leg be risen, make to put down
Weighing apparatus foot 3 will not hamper the movement of device, and the bottom end surface of balancing leg 3 and the bottom end surface of universal wheel 2 are located at same horizontal line,
And balancing leg 3 is fixedly connected by fixed block 6 with pedestal 1, when universal wheel 2 can be mobile by device between pedestal 1 and ground
Frictional force rolling friction is transformed by sliding friction, be greatly reduced device it is mobile when the frictional force that is generated with ground, make
The movement of device is more convenient, and fixed block 6 improves the fastness connected between balancing leg 3 and pedestal 1, to improve device
Fastness, the inside of shell 7 is equipped with battery 8, and shell 7 is located at the top of pedestal 1, is between shell 7 and battery 8
Coated structure, and the vertical centerline between battery 8 and shell 7 coincides, the top of shell 7 is mounted with supporting table 9, outside
Shell 7 provides protective effect to battery 8, and external active force can be prevented to be applied directly on battery 8, cause battery
The case where 8 damage, while can prevent external medium from penetrating into the inside of battery 8, cause the service life of battery 8 by
The case where influence, to improve the service life of device；
Supporting table 9 is internally provided with slideway 10, and the positioned inside of slideway 10 has sliding block 11, and the rear of sliding block 11 is fixed
There is extension board 12, is punch forming between extension board 12 and sliding block 11, and extension board 12 passes through between sliding block 11 and slideway 10
Cooperation constitutes sliding translation structure with supporting table 9, applies active force to extension board 12, moves sliding block 11 in slideway 10
It is dynamic, to make extension board 12 that the movement in horizontal direction occur, extract extension board 12 from supporting table 9 out, extension board 12 is extracted out
It can be recorded afterwards in the data that its surface obtains test, keep the use of device more convenient, it is therefore prevented that obtain a result but
Be difficult to record it, and operator occur and forget that result needs to re-start the onerous conditions of test, supporting table 9 it is upper
Side is equipped with fixed link 13, and the left side of fixed link 13 is connected with reinforcing rib 14, and fixed link 13 is internally provided with sliding groove 15,
And the positioned inside of sliding groove 15 has strut 16, the left side of strut 16 is equipped with stop screw 17, and the top connection of strut 16
Have and turn ball 18, the top for turning ball 18 is equipped with wave generator 19, and wave generator 19 is by turning ball 18 and 16 activity of strut even
It connects, and is located at four endpoints of 19 bottom of wave generator between strut 16, and strut 16 is by sliding groove 15 and admittedly
Fixed pole 13 constitutes sliding lifting structure, and structure triangular in shape between fixed link 13, reinforcing rib 14 and supporting table 9, passes through branch
Movement of the bar 16 in 13 internal slide slot 15 of fixed link, the adjusting being able to drive in the progress height of wave generator 19, passes through
The position of strut 16 can be fixed in pivot stop screw 17, and the model DG1022Z of wave generator 19 moves device
After moving into reverberation chamber, electromagnetic wave is issued by wave generator 19 to test the electromagnet shield effect of reverberation chamber, is led to
The lifting for crossing two struts 16 of 19 bottom end of wave generator colleague or same column, makes to turn ball 18 to rotate, to drive electric wave
Generator 19 carries out the adjusting in angle, and wave generator 19 is enable to carry out the adjusting in angle according to the habit of user.
Working principle: for this kind of test device pushing meanss first, when universal wheel 2 is pushed device pedestal 1 with
Frictional force between ground is transformed into rolling friction by sliding friction, rubs when being greatly reduced device movement with what ground generated
Power is wiped, device is moved easily, device is shifted onto reverberation chamber on suitable position, then will be consolidated by shaft 5
Determine under 4 turns of ring, then rotary balance foot 3, balancing leg 3 is adjusted to suitable height, balancing leg 3 provides support to device and makees
With battery 8 provides electric power to wave generator 19, passes through two struts 16 of 19 bottom end of wave generator colleague or same column
Lifting, makes to turn ball 18 to rotate, so that wave generator 19 be driven to carry out the adjusting in angle, wave generator 19 is adjusted
To suitable height and angle, electromagnetic wave is issued by wave generator 19 to survey to the electromagnet shield effect of reverberation chamber
Examination；
When carrying out electromagnet shield effect test to reverberation chamber, active force is applied to extension board 12, makes sliding block 11 in slideway 10
In moved, thus make extension board 12 occur horizontal direction on movement, extract extension board 12 from supporting table 9 out, extend
Plate 12 records after extracting out in the data that its surface obtains test, completes the use process of entire test device like this.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. electromagnetic shielding performance testing device under the conditions of a kind of reverberation chamber, including pedestal (1), fixed ring (4) and shell (7),
It is characterized in that: being connected with universal wheel (2) below the pedestal (1), and balancing leg (3), institute are installed on the right side of universal wheel (2)
It states and is connected on the right side of fixed ring (4) shaft (5), and fixed ring (4) is located at the top of balancing leg (3), the right side of the shaft (5)
Side is mounted with fixed block (6), and is welding between fixed block (6) and pedestal (1), and the inside of the shell (7) is equipped with electric power storage
Pond (8), and shell (7) is located at the top of pedestal (1), is mounted with supporting table (9), the supporting table above the shell (7)
(9) be internally provided with slideway (10), and the positioned inside of slideway (10) has sliding block (11), the rear of the sliding block (11) is fixed
Have extension board (12), is equipped with fixed link (13) above the supporting table (9), and be connected with reinforcement on the left of fixed link (13)
Muscle (14), the fixed link (13) is internally provided with sliding groove (15), and the positioned inside of sliding groove (15) has strut (16),
It is equipped with stop screw (17) on the left of the strut (16), and is connected with and turns ball (18) above strut (16), it is described to turn ball
(18) wave generator (19) are installed above.
2. electromagnetic shielding performance testing device under the conditions of a kind of reverberation chamber according to claim 1, it is characterised in that: described
To be threadedly coupled between balancing leg (3) and fixed ring (4), and balancing leg (3) passes through shaft (5) and fixed ring (4) and fixed block
(6) rotational structure is constituted.
3. electromagnetic shielding performance testing device under the conditions of a kind of reverberation chamber according to claim 1, it is characterised in that: described
The bottom end surface of balancing leg (3) and the bottom end surface of universal wheel (2) are located at same horizontal line, and balancing leg (3) passes through fixation
Block (6) is fixedly connected with pedestal (1).
4. electromagnetic shielding performance testing device under the conditions of a kind of reverberation chamber according to claim 1, it is characterised in that: described
It is in coated structure between shell (7) and battery (8), and the vertical centerline between battery (8) and shell (7) is mutually be overlapped
It closes.
5. electromagnetic shielding performance testing device under the conditions of a kind of reverberation chamber according to claim 1, it is characterised in that: described
It is punch forming between extension board (12) and sliding block (11), and extension board (12) passes through matching between sliding block (11) and slideway (10)
It closes and constitutes sliding translation structure with supporting table (9).
6. electromagnetic shielding performance testing device under the conditions of a kind of reverberation chamber according to claim 1, it is characterised in that: described
Wave generator (19) is flexibly connected by turning ball (18) with strut (16), and is located at wave generator between strut (16)
(19) four endpoints of bottom, and strut (16) constitutes sliding lifting structure by sliding groove (15) and fixed link (13), and
And structure triangular in shape between fixed link (13), reinforcing rib (14) and supporting table (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821846396.1U CN209132353U (en) | 2018-11-09 | 2018-11-09 | Electromagnetic shielding performance testing device under the conditions of a kind of reverberation chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821846396.1U CN209132353U (en) | 2018-11-09 | 2018-11-09 | Electromagnetic shielding performance testing device under the conditions of a kind of reverberation chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209132353U true CN209132353U (en) | 2019-07-19 |
Family
ID=67244551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821846396.1U Expired - Fee Related CN209132353U (en) | 2018-11-09 | 2018-11-09 | Electromagnetic shielding performance testing device under the conditions of a kind of reverberation chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209132353U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112596010A (en) * | 2020-11-26 | 2021-04-02 | 中国航空工业集团公司沈阳飞机设计研究所 | Energy selection surface electromagnetic performance test device and method thereof |
| CN112596009A (en) * | 2020-11-26 | 2021-04-02 | 中国航空工业集团公司沈阳飞机设计研究所 | Energy selection surface electromagnetic performance testing device and method thereof |
-
2018
- 2018-11-09 CN CN201821846396.1U patent/CN209132353U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112596010A (en) * | 2020-11-26 | 2021-04-02 | 中国航空工业集团公司沈阳飞机设计研究所 | Energy selection surface electromagnetic performance test device and method thereof |
| CN112596009A (en) * | 2020-11-26 | 2021-04-02 | 中国航空工业集团公司沈阳飞机设计研究所 | Energy selection surface electromagnetic performance testing device and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190719 Termination date: 20211109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |