CN209327456U - A kind of radio frequency noise immunity detection system - Google Patents
A kind of radio frequency noise immunity detection system Download PDFInfo
- Publication number
- CN209327456U CN209327456U CN201821640529.XU CN201821640529U CN209327456U CN 209327456 U CN209327456 U CN 209327456U CN 201821640529 U CN201821640529 U CN 201821640529U CN 209327456 U CN209327456 U CN 209327456U
- Authority
- CN
- China
- Prior art keywords
- anechoic chamber
- computer
- transmitting antenna
- radio frequency
- frequency noise
- 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
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model discloses a kind of radio frequency noise immunity detection systems, including anechoic chamber, the inner sidewall adhesion of the anechoic chamber, which has, inhales wave plate, the inner bottom wall of the anechoic chamber, is provided with insulated leg, the outer surface of cupular part of the insulated leg is fixedly installed with computer, the inside of the anechoic chamber, is provided with transmitting antenna far from the side of computer, the top inner roof wall of the anechoic chamber, has been bolted signal generator, the inside of the anechoic chamber, is fixedly installed with test equipment close to the side of computer, the bottom outer surface of the test equipment is welded with insulator foot, the test equipment is provided with filter far from the side of computer, the inner bottom wall of the anechoic chamber, is welded with sliding rail close to the side of transmitting antenna.A kind of radio frequency noise immunity detection system described in the utility model, ensure that the reliability of test result, so can not the fully and effectively true anti-radio-frequency radiation interference of electromagnetic field of detecting electric and electronic product ability.
Description
Technical field
The utility model relates to detection of electrons field, in particular to a kind of radio frequency noise immunity detection system.
Background technique
Radio-frequency radiation electromagnetic field is often using shifting by equipment operation, maintenance and safety inspection personnel to the interference of equipment
What the electromagnetic radiation sources such as mobile phone, radio station, television transmitting station, mobile radio transmitter generated, automobile igniter, electricity
The parasitic radiation generated when welding machine, silicon controlled rectifier, fluorescent lamp operation also can all generate radio-frequency radiation interference, the purpose of test
It is to evaluate the energy of the anti-radio-frequency radiation interference of electromagnetic field of Electrical and Electronic product or system to establish a common standard
Power, so that the interference free performance of Electrical and Electronic product is improved.
The transmitting antenna of existing radio frequency noise immunity detection device is usually fixed in certain position when in use,
And then the power of the electromagnetic field of the different zones in anechoic chamber, has certain difference, so that the uniformity of test site
Decline will lead to test process during actual test and generate certain error, and then influences the reliability of test result,
Meanwhile the various equipment in test site in actual use weaken electromagnetic wave, while electromagnetic wave is in place wall
Transmitting on wall will also result in the weakening of electromagnetic wave, and then fully and effectively detecting electric and electronic product can not really resist
The ability of the radio-frequency radiation interference of electromagnetic field, and then during use, certain influence is brought, for this purpose, it is proposed that one
Kind radio frequency noise immunity detection system.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of radio frequency proposed is anti-interference
Spend detection system.
To achieve the above object, the technical solution that the utility model is taken are as follows:
The inner sidewall adhesion of a kind of radio frequency noise immunity detection system, including anechoic chamber, the anechoic chamber, has suction wave
Plate, the inner bottom wall of the anechoic chamber, are provided with insulated leg, and the outer surface of cupular part of the insulated leg is fixedly installed with calculating
The inside of machine, the anechoic chamber, is provided with transmitting antenna, the top inner roof wall of the anechoic chamber, far from the side of computer
It is bolted signal generator, the inside of the anechoic chamber, is fixedly installed with test equipment close to the side of computer, institute
The bottom outer surface for stating test equipment is welded with insulator foot, and the test equipment is provided with filtering far from the side of computer
The inner bottom wall of device, the anechoic chamber, is welded with sliding rail close to the side of transmitting antenna, and the inner bottom wall of the sliding rail is welded with cunning
Slot, the transmitting antenna are fixedly connected with motor, the bottom outer surface spiral shell of the motor close to one end outer surface of sliding rail
It tethers and is connected to substrate, the substrate has been bolted pulley far from the side side wall of transmitting antenna, and the bottom of the substrate is close
The side of pulley is welded with position-limited rack.
It is as above-mentioned technical proposal to further describe:
The anechoic chamber, is enclosed construction, and the equal adhesion of surrounding inner sidewall of anechoic chamber, has suction wave plate, the insulation
The outer surface of cupular part of support is provided with power meter close to the side of computer, and the interface of one end of power meter and computer is electrical
Connection.
It is as above-mentioned technical proposal to further describe:
The quantity of the filter is two groups, and two groups of filters are respectively input power filter and connect filter,
The computer is electrically connected by connection filter and connecting cable and test equipment, and computer is filtered by input power
Device and connecting cable and external power supply are electrically connected.
It is as above-mentioned technical proposal to further describe:
Power amplifier, and power amplifier point is fixedly mounted close to the side inner sidewall of filter in the anechoic chamber,
It is not electrically connected with signal generator and transmitting antenna.
It is as above-mentioned technical proposal to further describe:
The bottom outer surface of the substrate is relatively set with two groups of pulleys, and two groups of pulleys and motor are electrically connected, institute
It states substrate and is fixedly connected by telescopic rod with transmitting antenna.
It is as above-mentioned technical proposal to further describe:
Convex block is welded at the inner bottom wall center of the sliding rail, and the two sides of convex block are symmetrically arranged with two groups of sliding slots, it is described
The cross section of position-limited rack is hollow structure, and the inner sidewall phase of groove that position-limited rack and sliding slot described in two groups are respectively constituted with convex block
Fitting.
In the utility model: the radio frequency noise immunity detection system, by the sliding rail of setting, sliding slot, motor, substrate,
Pulley and position-limited rack, so that transmitting antenna passes through motor automatically moving with movable pulley, so that pulley is set inside sliding rail
Periodic motion is carried out according to the track of sliding rail in the sliding slot set, while substrate at limit plate and sliding rail inner bottom wall center by being arranged
Convex block carry out fitting and also ensure that transmitting antenna does the stability of periodic motion, and then guarantee the electromagnetic field point in anechoic chamber,
Cloth uniformly and then when testing will not because of the inaccuracy of result caused by test position difference, by the suction wave plate of setting and
Filter, filter are divided into connection filter and input power filter, reduce wave transmission and extraneous power supply, test are set
It is standby that the absorption of electromagnetic wave and transmitting are consumed with computer, and then fully and effectively detecting electric and electronic product really resist
The ability of the radio-frequency radiation interference of electromagnetic field is more preferable relative to traditional approach.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of radio frequency noise immunity detection system front view；
Fig. 2 be the utility model proposes a kind of radio frequency noise immunity detection system top view；
Fig. 3 is cross-sectional view at A in Fig. 1.
In figure: 1, anechoic chamber,；2, wave plate is inhaled；3, insulated leg；4, computer；5, transmitting antenna；6, signal generator；
7, test equipment；8, insulator foot；9, filter；10, sliding rail；11, sliding slot；12, motor；13, substrate；14, pulley；15,
Position-limited rack.
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.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention；Term " first ", " the
Two ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance；In addition, unless otherwise specific
Regulation and restriction, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to
It is detachably connected, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also lead to
It crosses intermediary to be indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be with
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
Referring to Fig.1-3, the inner sidewall of a kind of radio frequency noise immunity detection system, including anechoic chamber, 1, anechoic chamber, 1 is viscous
It is connected with and inhales wave plate 2, reduce floor reflection, the inner bottom wall of anechoic chamber, 1 is provided with insulated leg 3, the top appearance of insulated leg 3
Face is fixedly installed with computer 4, and the inside of anechoic chamber, 1 is provided with transmitting antenna 5 far from the side of computer 4, to electromagnetic wave
Emitted, the top inner roof wall of anechoic chamber, 1 has been bolted signal generator 6, applies different electromagnetism to article to be measured
The inside of interference wave signal, anechoic chamber, 1 is fixedly installed with test equipment 7, the bottom of test equipment 7 close to the side of computer 4
Portion outer surface is welded with insulator foot 8, and test equipment 7 is provided with filter 9 far from the side of computer 4, reduce computer 4 and
The inner bottom wall of interference of the test equipment 7 to electromagnetic wave, anechoic chamber, 1 is welded with sliding rail 10, sliding rail close to the side of transmitting antenna 5
10 inner bottom wall is welded with sliding slot 11, and transmitting antenna 5 is fixedly connected with motor 12 close to one end outer surface of sliding rail 10, electricity
The bottom outer surface of motivation 12 has been bolted substrate 13, and substrate 13 has been bolted cunning far from the side side wall of transmitting antenna 5
The bottom of wheel 14, substrate 13 is welded with position-limited rack 15 close to the side of pulley 14, guarantees steady when transmitting antenna 5 moves in a circle
It is qualitative.
Anechoic chamber, 1 is enclosed construction, and the equal adhesion of surrounding inner sidewall of anechoic chamber, 1 has suction wave plate 2, reduces ground
Plate reflection, the outer surface of cupular part of insulated leg 3 are provided with power meter, and one end of power meter and meter close to the side of computer 4
The interface of calculation machine 4 is electrically connected, the intensity for 6 interference signal of tracer signal generator.
The quantity of filter 9 is two groups, and two groups of filters 9 are respectively input power filter 9 and connect filter 9,
Computer 4 is electrically connected by connection filter 9 and connecting cable and test equipment 7, and computer 4 is filtered by input power
Device 9 and connecting cable and external power supply are electrically connected, for reducing wave transmission and extraneous power supply, test equipment 7 and calculating
Machine 4 consumes the absorption and transmitting of electromagnetic wave.
Power amplifier is fixedly mounted close to the side inner sidewall of filter 9 in anechoic chamber, 1, and power amplifier is distinguished
It is electrically connected with signal generator 6 and transmitting antenna 5, interference signal is input on transmitting antenna 5.
The bottom outer surface of substrate 13 is relatively set with two groups of pulleys 14, and two groups of pulleys 14 electrically connect with motor 12
It connects, two groups of pulleys 14 make transmitting antenna 5 move in a circle on sliding rail 10 under the driving of motor 12, and substrate 13 is by stretching
Contracting bar is fixedly connected with transmitting antenna 5.
It is welded with convex block at the inner bottom wall center of sliding rail 10, and the two sides of convex block are symmetrically arranged with two groups of sliding slots 11, limits
The cross section of frame 15 is hollow structure, and the inner sidewall of groove that position-limited rack 15 is respectively constituted with two groups of sliding slots 11 with convex block is affixed
It closes, guarantees stability when transmitting antenna 5 moves in a circle.
Working principle: the utility model is radio frequency noise immunity detection system, and the radio frequency noise immunity detection system is in electricity
It is carried out in wave darkroom 1, the suction wave plate 2 of 1 surrounding inner sidewall adhesion of anechoic chamber, avoids electromagnetic field from carrying out inside anechoic chamber, 1 instead
Penetrate consumption, computer 4 by connecting cable with connect filter 9 and is electrically connected with test equipment 7, computer 4 with test
Equipment 7 is placed respectively on insulated leg 3 and insulator foot 8, and computer 4 and test equipment 7 is avoided to be done by electromagnetic field
It disturbs, the instruction that signal generator 6 receives computer 4 is electric with signal generator 6 and transmitting antenna 5 respectively by power amplifier
Property connection, interference signal is input on transmitting antenna 5, so to article to be measured apply varying strength electromagnetic interference signal,
And be transmitted in computer 4 through power meter, transmitting antenna 5 is fixedly connected by telescopic rod with substrate 13, and two groups of pulleys 14 are in electricity
So that transmitting antenna 5 moves in a circle on sliding rail 10 under the driving of motivation 12, meanwhile, substrate 13 is by position-limited rack 15 and slides
The convex block being arranged at the inner bottom wall center of rail 10 carries out fitting and also ensures that transmitting antenna 5 does the stability of periodic motion, in turn
Guarantee magnetic distribution in anechoic chamber, 1 uniformly and then when testing will not be because result is not caused by test position difference
Accurately, more practical.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of radio frequency noise immunity detection system, including anechoic chamber, (1), it is characterised in that: the anechoic chamber, (1) it is interior
Side wall adhesion, which has, inhales wave plate (2), and the inner bottom wall of the anechoic chamber, (1) is provided with insulated leg (3), the insulated leg (3)
Outer surface of cupular part be fixedly installed with computer (4), the inside of the anechoic chamber, (1) is arranged far from the side of computer (4)
Have transmitting antenna (5), the top inner roof wall of the anechoic chamber, (1) has been bolted signal generator (6), the anechoic chamber,
(1) inside is fixedly installed with test equipment (7) close to the side of computer (4), the bottom outer surface of the test equipment (7)
It is welded with insulator foot (8), the test equipment (7) is provided with filter (9), the electric wave far from the side of computer (4)
The inner bottom wall in darkroom (1) is welded with sliding rail (10) close to the side of transmitting antenna (5), and the inner bottom wall of the sliding rail (10) is welded with
Sliding slot (11), the transmitting antenna (5) is fixedly connected with motor (12) close to one end outer surface of sliding rail (10), described electronic
The bottom outer surface of machine (12) has been bolted substrate (13), side side wall spiral shell of the substrate (13) far from transmitting antenna (5)
It tethers and is connected to pulley (14), the bottom of the substrate (13) is welded with position-limited rack (15) close to the side of pulley (14).
2. a kind of radio frequency noise immunity detection system according to claim 1, it is characterised in that: the anechoic chamber, (1)
Have for the equal adhesion of surrounding inner sidewall of enclosed construction, and anechoic chamber, (1) and inhale wave plate (2), outside the top of the insulated leg (3)
Surface is provided with power meter close to the side of computer (4), and one end of power meter and interface be electrically connected.
3. a kind of radio frequency noise immunity detection system according to claim 1, it is characterised in that: the filter (9)
Quantity is two groups, and two groups of filters (9) are respectively input power filter (9) and connect filter (9), described to pass through connection
Filter (9) and connecting cable and test equipment (7) are electrically connected, and by input power filter (9) and connecting cable and
External power supply is electrically connected.
4. a kind of radio frequency noise immunity detection system according to claim 1, it is characterised in that: the anechoic chamber, (1)
Close to filter (9) side inner sidewall be fixedly mounted power amplifier, and power amplifier respectively with signal generator (6)
It is electrically connected with transmitting antenna (5).
5. a kind of radio frequency noise immunity detection system according to claim 1, it is characterised in that: the bottom of the substrate (13)
Portion outer surface is relatively set with two groups of pulleys (14), and two groups of pulleys (14) and motor (12) are electrically connected, the substrate
(13) it is fixedly connected by telescopic rod with transmitting antenna (5).
6. a kind of radio frequency noise immunity detection system according to claim 1, it is characterised in that: the sliding rail (10) it is interior
Be welded with convex block at bottom wall central, and the two sides of convex block are symmetrically arranged with two groups of sliding slots (11), the position-limited rack (15) it is transversal
Face is hollow structure, and position-limited rack (15) and the inner sidewall for the groove that sliding slot (11) is respectively constituted with convex block described in two groups are affixed
It closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821640529.XU CN209327456U (en) | 2018-10-10 | 2018-10-10 | A kind of radio frequency noise immunity detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821640529.XU CN209327456U (en) | 2018-10-10 | 2018-10-10 | A kind of radio frequency noise immunity detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209327456U true CN209327456U (en) | 2019-08-30 |
Family
ID=67707615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821640529.XU Active CN209327456U (en) | 2018-10-10 | 2018-10-10 | A kind of radio frequency noise immunity detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209327456U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110927494A (en) * | 2019-12-05 | 2020-03-27 | 深圳市华检检测技术有限公司 | Anti-interference detection method, device, equipment and computer readable storage medium |
| CN117240383A (en) * | 2023-09-11 | 2023-12-15 | 苏州科标检测有限公司 | Radio frequency anti-interference detection device and method |
-
2018
- 2018-10-10 CN CN201821640529.XU patent/CN209327456U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110927494A (en) * | 2019-12-05 | 2020-03-27 | 深圳市华检检测技术有限公司 | Anti-interference detection method, device, equipment and computer readable storage medium |
| CN110927494B (en) * | 2019-12-05 | 2021-01-08 | 深圳市华检检测技术有限公司 | Anti-interference detection method, device, equipment and computer readable storage medium |
| CN117240383A (en) * | 2023-09-11 | 2023-12-15 | 苏州科标检测有限公司 | Radio frequency anti-interference detection device and method |
| CN117240383B (en) * | 2023-09-11 | 2024-05-14 | 苏州科标检测有限公司 | Radio frequency anti-interference detection device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209327456U (en) | A kind of radio frequency noise immunity detection system | |
| CN105467241B (en) | A kind of distribution converter transformer DC magnetic bias detecting system and its detection method | |
| CN103616575B (en) | A kind of radiation emission test method | |
| CN103731219B (en) | A kind of bluetooth end properties method of testing and system | |
| CN1905422B (en) | All electric wave dark chamber with space radio frequency testing and electromagnetic compatibility testing capacity | |
| CN204536438U (en) | Vehicular electromagnetic radiation on-Line Monitor Device and on-line monitoring system | |
| CN108072390A (en) | A kind of magnetic suspension train positioning device based on FPGA | |
| CN110293861A (en) | Capacitance coupling type electric car automated wireless charging system and charging method | |
| CN210379434U (en) | Radio frequency anti-interference degree detection system | |
| WO2022016693A1 (en) | Electromagnetic signal testing platform for variable frequency speed regulation all-in-one machine | |
| CN105182091A (en) | Antenna pattern planar near-field scanning test equipment | |
| CN111412840A (en) | Contact net detection equipment and contact net detection method | |
| CN204789774U (en) | Antenna directivity diagram plane near field scanning test equipment | |
| CN105162534B (en) | A kind of concentrator wireless public network communication test system and method | |
| CN202870288U (en) | Totally closed 500kV electromagnetic voltage transformer test unit | |
| CN108761274A (en) | Extra-high voltage alternating current-direct current parallel powerline electromagnetic environment continuous monitoring trolley | |
| CN205139351U (en) | On --spot error -detecting integration test device of 750kV capacitance type potential transformer | |
| CN209402954U (en) | A kind of shielded box | |
| CN203761408U (en) | Performance test system of bluetooth finished product | |
| CN216670058U (en) | Movable antenna rapid testing device | |
| CN105785172A (en) | Insulator deterioration online detecting device and method thereof | |
| CN108414964A (en) | A kind of digitalized electric energy metering movable detecting platform and in-situ check and test method | |
| CN115078882A (en) | Cable anti-interference capability testing device and method | |
| CN211061621U (en) | Noise-reduction improved wireless radio frequency radiation disturbance testing system | |
| CN208860333U (en) | One kind is fixed for coating thickness detector and measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |