CN210379434U - Radio frequency anti-interference degree detection system - Google Patents
Radio frequency anti-interference degree detection system Download PDFInfo
- Publication number
- CN210379434U CN210379434U CN201921914212.5U CN201921914212U CN210379434U CN 210379434 U CN210379434 U CN 210379434U CN 201921914212 U CN201921914212 U CN 201921914212U CN 210379434 U CN210379434 U CN 210379434U
- Authority
- CN
- China
- Prior art keywords
- motor
- wall
- anechoic chamber
- fixedly connected
- radio frequency
- 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.)
- Active
Links
Images
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model discloses a radio frequency anti-interference degree detection system, including the anechoic chamber, the outer wall of anechoic chamber is provided with supplementary shielding room, the inside wall of anechoic chamber evenly is provided with wall body absorbing piece, the inner wall of anechoic chamber is provided with a plurality of wave filters, the bottom inner wall of anechoic chamber is provided with the insulating platform, the bottom inner wall of anechoic chamber has seted up the activity groove, the top of activity groove is provided with the motor case, the top fixedly connected with casing of motor case, the inside fixedly connected with first motor of motor case; the utility model discloses a set up first motor, casing, lead screw, slide etc. and operating personnel only need can control the lift of transmitting antenna at the indoor operating switch of supplementary shielding, need not to relapse manual regulation, has saved the required time that transmitting antenna adjusted greatly, has improved detecting system's work efficiency.
Description
Technical Field
The utility model relates to a detecting system specifically is a radio frequency anti-jamming degree detecting system.
Background
The interference of radio frequency radiation electromagnetic field to the equipment is often generated by the electromagnetic radiation source (which belongs to intentional emission) of equipment operation, maintenance and safety inspection personnel using mobile phones, radio stations, television transmitting stations, mobile radio transmitters and the like, and the radio frequency radiation interference is also generated by parasitic radiation (which belongs to unintentional emission) generated when automobile ignition devices, electric welding machines, thyristor rectifiers and fluorescent lamps work. The purpose of the test is to establish a common standard for evaluating the resistance of electrical and electronic products or systems to radio frequency radiation electromagnetic field interference.
The transmitting antenna in the existing detection system mostly has no moving capability, when facing to measured objects of different sizes, a worker needs to repeatedly and manually adjust the height of the transmitting antenna to find a proper position, the process is very complicated, the working efficiency is greatly restricted, and meanwhile, according to different test methods, the distance between the transmitting antenna and the measured object also needs to be manually adjusted, so that the time and labor are wasted, and the using effect is not good.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a radio frequency interference immunity detecting system to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a radio frequency anti-interference degree detection system comprises an anechoic chamber, wherein an auxiliary shielding chamber is arranged on the outer wall of the anechoic chamber, wall wave absorbing blocks are uniformly arranged on the inner wall of the anechoic chamber, a plurality of filters are arranged on the inner wall of the anechoic chamber, an insulating table is arranged on the inner wall of the bottom of the anechoic chamber, a movable groove is formed in the inner wall of the bottom of the anechoic chamber, a motor box is arranged above the movable groove, a shell is fixedly connected to the top of the motor box, a first motor is fixedly connected to the inside of the motor box, a lead screw is fixedly connected to the rear end of the shaft extending end of the first motor, which penetrates through the top of the motor box and the bottom of the shell, the top end of the lead screw is rotatably connected with the inner wall of the shell through a bearing seat, a slide rod is fixedly connected to, the outer wall of the sliding seat is provided with a ball nut sleeve in a penetrating mode, the ball nut sleeve is connected to the outer wall of the screw rod in a sleeved mode, and the side wall of the sliding seat penetrates through the shell and is fixedly connected with a transmitting antenna.
As a further aspect of the present invention: the inner wall fixedly connected with second motor and the reduction gear box of motor case, the axle of second motor stretches end and reduction gear box's power input end fixed connection, the motor case is run through to reduction gear box's bottom, reduction gear box's the fixed cover of power take off end has connect drive gear, the bottom fixedly connected with slider of motor case.
As a further aspect of the present invention: the movable groove is internally provided with a rack and two sliding rails in parallel, the transmission gear is meshed with the rack, and the sliding block is connected with the two sliding rails in a sliding manner.
As a further aspect of the present invention: and the inner wall of the bottom of the anechoic chamber is provided with a ground wave absorbing block.
As a further aspect of the present invention: the ground wave absorbing block is positioned between the insulating table and the movable groove.
As a further aspect of the present invention: the auxiliary shielding chamber is internally provided with a switch, and the first motor and the second motor are electrically connected with the switch.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a set up first motor, casing, lead screw, slide etc. and operating personnel only need can control the lift of transmitting antenna at the indoor operating switch of supplementary shielding, need not to relapse manual regulation, has saved the required time that transmitting antenna adjusted greatly, has improved detecting system's work efficiency.
2. The utility model discloses a set up second motor, gear reduction box, drive gear, rack, slider, slide rail etc. and operating personnel only need in supplementary shielding chamber operating switch can adjust the distance between antenna and the measured object article, uses 1 meter method, 3 meters methods or other methods to test then according to the testing standard, need not manually to carry the antenna, labour saving and time saving, excellent in use effect.
Drawings
Fig. 1 is a schematic structural diagram of a radio frequency interference immunity detection system.
Fig. 2 is a schematic structural diagram of a motor box in a radio frequency anti-interference degree detection system.
Fig. 3 is a schematic structural diagram of a slide rail in a radio frequency anti-interference degree detection system.
Fig. 4 is a schematic structural diagram of a slider in an rf immunity detection system.
Wherein, 1, an anechoic chamber; 11. a wall wave-absorbing block; 12. a ground wave absorbing block; 13. a filter; 14. an insulating stage; 2. an auxiliary shield room; 3. a movable groove; 31. a rack; 32. a slide rail; 4. a motor case; 41. a first motor; 42. a second motor; 43. a reduction gear box; 431. a transmission gear; 44. a slider; 5. a housing; 51. a screw rod; 52. a slide bar; 53. a slide base; 531. a ball nut sleeve; 6. and a transmitting antenna.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, in an embodiment of the present invention, a radio frequency anti-interference detecting system includes an anechoic chamber 1, a wall of the anechoic chamber 1 is composed of a ferrite layer, an anti-corrosion layer, and a shielding steel plate layer from inside to outside, an auxiliary shielding chamber 2 is disposed on an outer wall of the anechoic chamber 1, a signal generator and a power amplifier are disposed in the auxiliary shielding chamber 2, wall absorbing blocks 11 are uniformly disposed on an inner wall of the anechoic chamber 1, a plurality of filters 13 are disposed on an inner wall of the anechoic chamber 1, the plurality of filters 13 are divided into a power filter 13 and a connection filter 13, the filter 13 is used for filtering signals of power, network, communication, etc., an insulating stand 14 is disposed on an inner wall of a bottom of the anechoic chamber 1, a movable groove 3 is disposed on an inner wall of the bottom of the anechoic chamber 1, a motor box 4 is, the inside fixedly connected with first motor 41 of motor case 4, fixedly connected with lead screw 51 behind the top that motor case 4 was run through to the axle extension end of first motor 41 and the bottom of casing 5, the top of lead screw 51 is passed through the bearing frame and is connected with the inner wall rotation of casing 5, the inside fixedly connected with slide bar 52 of casing 5, slide bar 52 is parallel to each other with lead screw 51, slide 53 has been cup jointed in the outer wall slip of slide bar 52, slide 53's outer wall runs through and is provided with ball nut cover 531, ball nut cover 531 cup joints in the lead screw 51 outer wall, fixedly connected with transmitting antenna 6 behind slide 53's the lateral wall run through casing 5, transmitting antenna 6 and signal generator all with power amplifier electric connection.
The inner wall fixedly connected with second motor 42 and reduction gear 43 of motor case 4, the axle of second motor 42 is stretched the end and is held fixedly connected with reduction gear 43's power input end, and reduction gear 43's bottom runs through motor case 4, and reduction gear 43's power output end is fixed to be cup jointed drive gear 431, the bottom fixedly connected with slider 44 of motor case 4.
In order to ensure the effective heat dissipation of the motor inside the motor box 4, the outer wall of the motor box 4 is provided with heat dissipation holes.
The movable groove 3 is provided with a rack 31 and two sliding rails 32 in parallel, the transmission gear 431 is meshed with the rack 31, and the sliding block 44 is connected with the two sliding rails 32 in a sliding manner.
The ground wave absorbing block 12 is arranged on the inner wall of the bottom of the anechoic chamber 1.
The ground wave absorbing block 12 is positioned between the insulating table 14 and the movable groove 3, and the wall wave absorbing block 11 and the ground wave absorbing block 12 are both in a conical truncated shape.
A switch is arranged in the auxiliary shielding chamber 2, and the first motor 41 and the second motor 42 are both electrically connected with the switch.
The utility model discloses a theory of operation is:
when different tested objects are tested and the height of the transmitting antenna 6 needs to be adjusted, an operator controls the first motor 41 to operate by operating a switch in the auxiliary shielding chamber 2, the first motor 41 drives the screw rod 51 to rotate, and the sliding base 53 drives the transmitting antenna 6 to vertically move up and down along the sliding rod 52 through the matching of the screw rod 51 and the ball nut sleeve 531 and the limiting of the sliding rod 52, so that the height of the transmitting antenna 6 is adjusted.
When the tested object needs to be subjected to multi-distance testing and the distance between the transmitting antenna 6 and the tested object needs to be adjusted, an operator controls the second motor 42 to operate by operating the switch in the auxiliary shielding chamber 2, the second motor 42 drives the transmission gear 431 to rotate through the reduction gear box 43, and the sliding block 44 drives the motor box 4 to slide along the sliding rail 32 through the matching of the transmission gear 431 and the rack 31, so that the distance between the transmitting antenna 6 and the tested object is adjusted.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. A radio frequency anti-interference degree detection system comprises an anechoic chamber (1), and is characterized in that: the wave absorbing device is characterized in that an auxiliary shielding room (2) is arranged on the outer wall of the anechoic chamber (1), wall body wave absorbing blocks (11) are uniformly arranged on the inner wall surface of the anechoic chamber (1), a plurality of filters (13) are arranged on the inner wall surface of the anechoic chamber (1), an insulating table (14) is arranged on the inner wall surface of the bottom of the anechoic chamber (1), a movable groove (3) is formed in the inner wall surface of the bottom of the anechoic chamber (1), a motor box (4) is arranged above the movable groove (3), a shell (5) is fixedly connected to the top of the motor box (4), a first motor (41) is fixedly connected to the inside of the motor box (4), a shaft extending end of the first motor (41) penetrates through the top of the motor box (4) and the bottom of the shell (5), a lead screw (51) is fixedly connected to the top end of the lead screw (, the inside fixedly connected with slide bar (52) of casing (5), slide bar (52) are parallel to each other with lead screw (51), slide (53) have been cup jointed in the outer wall slip of slide bar (52), the outer wall of slide (53) runs through and is provided with ball nut cover (531), ball nut cover (531) cup joint in lead screw (51) outer wall, fixedly connected with transmitting antenna (6) behind casing (5) is run through to the lateral wall of slide (53).
2. A radio frequency immunity detection system according to claim 1, wherein: the inner wall fixedly connected with second motor (42) and reduction gear box (43) of motor case (4), the axle of second motor (42) is stretched the end and is had the power input end fixed connection of reduction gear box (43), motor case (4) is run through to the bottom of reduction gear box (43), the power output end of reduction gear box (43) is fixed to be cup jointed drive gear (431), the bottom fixedly connected with slider (44) of motor case (4).
3. A radio frequency immunity detection system according to claim 2, wherein: a rack (31) and two sliding rails (32) are arranged in the movable groove (3) in parallel, the transmission gear (431) is meshed with the rack (31), and the sliding block (44) is connected with the two sliding rails (32) in a sliding mode.
4. A radio frequency immunity detection system according to claim 1, wherein: the bottom inner wall of the anechoic chamber (1) is provided with a ground wave absorbing block (12).
5. The system according to claim 4, wherein: the ground wave absorbing block (12) is positioned between the insulating table (14) and the movable groove (3).
6. A radio frequency immunity detection system according to claim 1, wherein: a switch is arranged in the auxiliary shielding chamber (2), and the first motor (41) and the second motor (42) are electrically connected with the switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921914212.5U CN210379434U (en) | 2019-11-07 | 2019-11-07 | Radio frequency anti-interference degree detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921914212.5U CN210379434U (en) | 2019-11-07 | 2019-11-07 | Radio frequency anti-interference degree detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210379434U true CN210379434U (en) | 2020-04-21 |
Family
ID=70257434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921914212.5U Active CN210379434U (en) | 2019-11-07 | 2019-11-07 | Radio frequency anti-interference degree detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210379434U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713946A (en) * | 2020-12-18 | 2021-04-27 | 盐城福海电子有限公司 | TR subassembly automatic checkout device |
| CN112986719A (en) * | 2021-01-29 | 2021-06-18 | 杭州永谐科技有限公司上海分公司 | Multi-probe temperature sensing anechoic chamber |
-
2019
- 2019-11-07 CN CN201921914212.5U patent/CN210379434U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713946A (en) * | 2020-12-18 | 2021-04-27 | 盐城福海电子有限公司 | TR subassembly automatic checkout device |
| CN112986719A (en) * | 2021-01-29 | 2021-06-18 | 杭州永谐科技有限公司上海分公司 | Multi-probe temperature sensing anechoic chamber |
| CN112986719B (en) * | 2021-01-29 | 2024-04-05 | 杭州永谐科技有限公司上海分公司 | Multi-probe temperature sensing anechoic chamber |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210379434U (en) | Radio frequency anti-interference degree detection system | |
| CN204462286U (en) | Between a kind of emc testing | |
| CN203658500U (en) | Anechoic chamber | |
| CN203078390U (en) | Vehicle-mounted integrated electrical equipment quality detecting platform | |
| CN204613262U (en) | A kind of electromagnetic shielding box for the test of acquisition terminal wireless public network communication automation system | |
| CN204539153U (en) | A kind of electromagnetic shielding box for special transformer terminals wireless public network communication automation system test | |
| CN106228725A (en) | High direct voltage electric power equipment non-contact intelligent early warning system | |
| CN216670058U (en) | Movable antenna rapid testing device | |
| CN216327183U (en) | Copper-plated steel strip surface deburring device | |
| CN213781818U (en) | Automatic upset laser desquamation device of transformer | |
| CN209327456U (en) | A kind of radio frequency noise immunity detection system | |
| CN204539151U (en) | A kind of electromagnetic shielding box for special transformer terminals GPRS communication automation system test | |
| CN204539154U (en) | A kind of electromagnetic shielding box for the test of concentrator GPRS communication automation system | |
| CN207036966U (en) | A kind of radiation monitoring device for transformer station | |
| CN204539152U (en) | A kind of electromagnetic shielding box for the test of acquisition terminal GPRS communication automation system | |
| CN214278339U (en) | Partial discharge detection device based on wireless communication | |
| CN214899386U (en) | Portable dampproofing electric power automation control cabinet | |
| CN210270204U (en) | Cheating invisible earphone fixed-point detector | |
| CN110920503A (en) | Movable load test vehicle | |
| CN202720468U (en) | Controlling device for power transformation equipment high-voltage electriferous cleaning robot | |
| CN210867720U (en) | On-spot fast cloth formula radio monitoring device | |
| CN105629086A (en) | Radiated audible noise calculating method of electric power reactor group | |
| CN217360080U (en) | Auxiliary test equipment for antenna research and development | |
| CN206293782U (en) | A kind of high-tension switch cabinet | |
| CN211603411U (en) | Wireless transmission multi-point simultaneous positioning cable fault point quick positioning instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |