CN203406887U - Wideband signal interference device - Google Patents
Wideband signal interference device Download PDFInfo
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- CN203406887U CN203406887U CN201320542725.4U CN201320542725U CN203406887U CN 203406887 U CN203406887 U CN 203406887U CN 201320542725 U CN201320542725 U CN 201320542725U CN 203406887 U CN203406887 U CN 203406887U
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Abstract
The utility model discloses a wideband signal interference device. The device comprises a first power supply module, a control module and a radio frequency signal interference module, wherein the above three parts are successively connected. The control module is connected with a high frequency signal interference module, and the high frequency signal interference module is connected with a second power supply module. The device can interfere wireless signals having a wideband operating frequency range between 100MHz to 2.4GHz, and overcomes defects that the conventional wireless signal interference device is narrow in interference signal frequency band. The device is advantaged by being relatively low in cost, low in radiation power, wide in interference frequency band, large in shielding radius and having a relatively wide range requirement of voltage input into the power supply.
Description
Technical field
The utility model belongs to wireless signal jamming equipment technical field, is specifically related to a kind of broadband signal jamming equipment.
Background technology
In today of electronic product develop rapidly, the use of various audiomonitors causes important wireless messages to be intercepted, or people are by the mutual transmission of information of wireless signal, for mourning in silence of this class place wireless signal of guaranteeing examination hall, secret unit and need to shielding signal, scientific research personnel is devoted to research and development for the jamming equipment of wireless signal always.The current domestic like products that much shield and disturb for signal of communication that had, disturb the contour frequency signal of mobile phone but all only relate to, and cannot accomplish all standing, truly signal are not blocked.Therefore there is the narrower shortcoming of interference signal frequency range in existing wireless signal jamming equipment.
Utility model content
The purpose of this utility model is to provide a kind of broadband signal jamming equipment, has solved the narrower shortcoming of interference signal frequency range that existing wireless signal jamming equipment exists.
The technical scheme that the utility model adopts is: broadband signal jamming equipment, comprise the first power module, control module and the radiofrequency signal interference module that connect successively, control module is connected with high-frequency signal interference module, and high-frequency signal interference module is connected with second source module.
Feature of the present utility model is also,
Control module is connected with radiofrequency signal interference module by board to board connector.
In radiofrequency signal interference module, be provided with a plurality of radiofrequency signal interference units.
In high-frequency signal interference module, be provided with a plurality of high-frequency signal interference units.
The beneficial effects of the utility model are: broadband signal jamming equipment of the present utility model can disturb by the wireless signal at 100MHz～2.4GHz wide-band operating frequency range, solved the narrower shortcoming of interference signal frequency range that existing wireless signal jamming equipment exists, broadband signal jamming equipment of the present utility model have advantages of cost compared with low, to input supply voltage area requirement compared with wide, radiant power is low, interference band is wide and shielding radius is large.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model broadband signal jamming equipment.
In figure, 1. the first power module, 2. control module, 3. radiofrequency signal interference module, 4. second source module, 5. high-frequency signal interference module, 6. radiofrequency signal interference units, 7. high-frequency signal interference units, 8. board to board connector.
Embodiment
Below in conjunction with embodiment, the utility model is elaborated.
The structural representation of the broadband signal jamming equipment that the utility model provides as shown in Figure 1, comprise the first power module 1, control module 2 and the radiofrequency signal interference module 3 that connect successively, control module 2 is connected with high-frequency signal interference module 5, and high-frequency signal interference module 5 is connected with second source module 4.
In radiofrequency signal interference module 3, be provided with a plurality of radiofrequency signal interference units 6.
In high-frequency signal interference module 5, be provided with a plurality of high-frequency signal interference units 7.
Broadband signal jamming equipment of the present utility model adopts modularized design, comprise four major parts such as power module that radiofrequency signal interference module 3, control module 2, high-frequency signal interference module 5 and the first power module 1 and second source module 4 form, modular design is conducive to the production and assembly of product, not only improve the performance of system, also reduced cost simultaneously.
In the utility model broadband signal jamming equipment, second source module 4 design 220V exchange and input, 5V direct current is exported to 5, the first power modules 1 design 220V interchange inputs of high-frequency signal interference module, 12V direct current is exported to control module 2.Control module 2 is reduced to 5V by power control circuit by 12V and provides required 5V voltage for radiofrequency signal interference module 3, and the required 12V voltage of radiofrequency signal interference module 3 directly provides by control module 2.
In the utility model broadband signal jamming equipment, control module 2 is connected with external network server by twisted-pair feeder on the one hand, complete the reception of webserver control information (blocking-up instruction), by board to board connector 8 and cable, be connected with high-frequency signal interference module 5 with radiofrequency signal interference module 3 respectively on the other hand, by four kinds of different mode of operations control high-frequency signal interference module 5 and radiofrequency signal interference module 3, optionally work, make low-and high-frequency disturb to work alone also can work simultaneously: high-frequency signal disturbs mould 5 to open, radiofrequency signal interference module 3 is opened, high-frequency signal interference module 5 is opened, and radiofrequency signal interference module 3 is closed, high-frequency signal interference module 5 is closed, and radiofrequency signal interference module 3 is opened, high-frequency signal interference module 5 is closed, and radiofrequency signal interference module 3 is closed.Simultaneously, control module 2 provides supply voltage conversion and powering mode, it is divided into two-way by the 12V DC power supply from the first power module 1, the built-in power control circuit of leading up to carries out low voltage transition, Voltage-Controlled oscillation circuit, phase-locked loop circuit, power-sensing circuit, wideband amplification circuit, buffer amplifier circuit that to be converted to 5V be radiofrequency signal interference module 3 provide voltage, and the promotion amplifying circuit that the magnetic bead of separately leading up to is radiofrequency signal interference module 3 provides 12V power supply.
In the utility model broadband signal jamming equipment, radiofrequency signal interference module 2 frequency coverage are 100MHz～715MHz, in whole band limits, according to certain frequency dividing ratio, be divided into 6 frequency ranges, these 6 six frequency ranges are one by one to there being a radiofrequency signal interference units 6 to work in its frequency range.Radiofrequency signal interference units 6 can work independently, and also can severally work simultaneously.
Each radiofrequency signal interference units 6 includes Voltage-Controlled oscillation circuit, phase-locked loop circuit, power amplification circuit, low-pass filter circuit, power detection, the circuit such as power control circuit, voltage-controlled oscillating circuit produces concussion frequency, frequency after concussion output produces stabilized frequency through phase-locked loop circuit again, through broadband amplification circuit, Hyblid Buffer Amplifier integrated circuit, promoting amplification circuit constant power amplifying circuit amplifies small-signal, then the output signal after amplifying is carried out to harmonic wave inhibition through low-pass filter circuit, then gained signal is detected by power-sensing circuit, when power, cross while being less than 30dBm and can to output, adjust by automatic gain control circuit.
In broadband signal jamming equipment of the present utility model, high-frequency signal interference module 5 is mainly that high-frequency signal is continued to disturb, can disturb by the signal at 870MHz～960MHz, 1805MHz～1920MHz, 2000MHz～2030MHz, 2110MHz～2160MHz, 2400MHz～2480MHz operating frequency, can disturb WCDMA, TD-SCDMA, GSM/CDMA and Wifi signal, therefore high-frequency signal interference module 5 be arranged to six high-frequency signal interference units 7 respectively in above-mentioned six frequency range work.High-frequency signal interference units 7 can work independently, and also can severally work simultaneously.
Detection equipment detects suspicious radio signal, by network, to control module 2, send blocking-up instruction, control module 2 receives the instruction issuing and controls radiofrequency signal interference module 3 and high-frequency signal interference module 5, after receiving the instruction of circulation frequency sweep, radiofrequency signal interference module 3 and high-frequency signal interference module 5, by the operating state in frequency sweep, are outwards launched operating frequency in 100MHz～2.4GHz circulation interference signal; When acceptance point is blocked after instruction frequently, outwards continue the some frequency interference signal of the corresponding instruction of transmitting.
The radiant power of broadband signal jamming equipment of the present utility model is low, and radiant power can reach 30dBm; When control module 2 does not receive interference blocker signal instruction, enter holding state, externally do not send any wireless interference signal, now to the radio environment of periphery without any interference.
The power supply voltage range of broadband signal jamming equipment of the present utility model is 110V～230V, and the user that can meet multiple electric power system uses.
The shielding radius of broadband signal jamming equipment of the present utility model is 20～50 meters.
By the way, broadband signal jamming equipment of the present utility model can disturb by the wireless signal at 100MHz～2.4GHz wide-band operating frequency range, solved the narrower shortcoming of interference signal frequency range that existing wireless signal jamming equipment exists, broadband signal jamming equipment of the present utility model have advantages of cost compared with low, to input supply voltage area requirement compared with wide, radiant power is low, interference band is wide and shielding radius is large.
Claims (4)
1. broadband signal jamming equipment, it is characterized in that, comprise the first power module (1), control module (2) and the radiofrequency signal interference module (3) that connect successively, described control module (2) is connected with high-frequency signal interference module (5), and described high-frequency signal interference module (5) is connected with second source module (4).
2. broadband signal jamming equipment according to claim 1, is characterized in that, described control module (2) is connected with radiofrequency signal interference module (3) by board to board connector (8).
3. broadband signal jamming equipment according to claim 1 and 2, is characterized in that, is provided with a plurality of radiofrequency signal interference units (6) in described radiofrequency signal interference module (3).
4. broadband signal jamming equipment according to claim 3, is characterized in that, is provided with a plurality of high-frequency signal interference units (7) in described high-frequency signal interference module (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320542725.4U CN203406887U (en) | 2013-09-02 | 2013-09-02 | Wideband signal interference device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320542725.4U CN203406887U (en) | 2013-09-02 | 2013-09-02 | Wideband signal interference device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203406887U true CN203406887U (en) | 2014-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320542725.4U Expired - Fee Related CN203406887U (en) | 2013-09-02 | 2013-09-02 | Wideband signal interference device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203406887U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533609A (en) * | 2016-12-15 | 2017-03-22 | 深圳市飞思腾科技有限公司 | Digital signal interferometer |
| CN108322701A (en) * | 2018-01-25 | 2018-07-24 | 上海理工大学 | Examination hall video monitoring and mobile phone signal shielding system |
-
2013
- 2013-09-02 CN CN201320542725.4U patent/CN203406887U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533609A (en) * | 2016-12-15 | 2017-03-22 | 深圳市飞思腾科技有限公司 | Digital signal interferometer |
| CN108322701A (en) * | 2018-01-25 | 2018-07-24 | 上海理工大学 | Examination hall video monitoring and mobile phone signal shielding system |
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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: 20140122 Termination date: 20180902 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |