CN201533307U - Mobile communication interference unit and system of same of the third generation mobile communication technology - Google Patents
Mobile communication interference unit and system of same of the third generation mobile communication technology Download PDFInfo
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- CN201533307U CN201533307U CN2009202216819U CN200920221681U CN201533307U CN 201533307 U CN201533307 U CN 201533307U CN 2009202216819 U CN2009202216819 U CN 2009202216819U CN 200920221681 U CN200920221681 U CN 200920221681U CN 201533307 U CN201533307 U CN 201533307U
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- circuit board
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- interference signal
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- interference
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Abstract
The utility model discloses a mobile communication interference unit and systems of the mobile communication interference unit of the third generation mobile communication technology. The mobile communication interference unit comprises a receiving circuit board for receiving starting, closing, frequency selection and power adjustment signals output by a remote controller, a control circuit board for receiving signals from the receiving circuit board, a display circuit board, a personnel cordless local system interference signal emitting circuit board, a S/CDMA technology interference signal emitting circuit board and a WCDMA interference signal emitting circuit board, and the later four circuit boards are used for receiving power signals from the control circuit board, adjusting the power signals into interference signals which have the same frequency as downlink base stations, and outputting the interference signals. The mobile communication interference unit is designed to include three independent systems, shield various mobile phone signals such as PHS, TD-S, WCDMA and the like within an effective range, and has a good interference effect. The mobile communication interference unit only shields communication signals of on-site mobile phones without interfering surrounding communication base stations.
Description
Technical field
The utility model relates to a kind of 3G (third generation) mobile communication safety device, particularly a kind of a kind of mobile communication interference unit of the 3G mobile signal being shielded for secret meeting of being applied to.
Background technology
Along with the information industry develop rapidly, modernized communication equipment brings great convenience for people's life.But simultaneously, also caused many social concerns, as the peace and quiet, the carrying out of interrupting meeting that influence the public place because of mobile phone communication, betray a secret, the generation of the problem such as malfunctioning of precision instrument.
Summary of the invention
The purpose of this utility model is to provide a kind of 3G of making mobile phone sending and receiving informational function to lose efficacy, can't transfer to or dial in, and be a kind of 3G (Third Generation) Moblie technology of purpose mobile communication interference unit and system thereof thereby reach mandatory forbidding.
In order to achieve the above object, the technical solution adopted in the utility model is:
A kind of 3G (Third Generation) Moblie technology mobile communication interference unit, it comprises:
A circuit board for receiving is used to receive open and close, frequency-selecting and the power adjustments signal that remote controller sends and this signal is exported to a control circuit board and a display circuit board;
A control circuit board, be used to receive the signal that described circuit board for receiving sends, and send the voltage signal of control expelling plate watt level and send frequency range and power signal to display circuit board to the wireless local telephone system interference signal of individual radiating circuit plate, the CDMA technological interference signal radiating circuit plate of time-division and a broadband demal multiplex (MUX) access interference signal radiating circuit plate;
A display circuit board is used to receive and shows open and close, frequency range and the power signal of described circuit board for receiving output and the frequency range and the power signal of described control circuit board output;
The CDMA technological interference signal radiating circuit plate of the wireless local telephone system interference signal of people radiating circuit plate, a time-division and a broadband demal multiplex (MUX) access interference signal radiating circuit plate one by one are respectively applied for to receive power signal that described control circuit board sends and it is adjusted to base station down and launch after with interference signal frequently;
A Switching Power Supply that receives the AC power input is used for providing direct current to each above-mentioned circuit board.
A kind of 3G (Third Generation) Moblie technology mobile communication interference unit system, it comprises:
A circuit board for receiving is used to receive open and close, frequency-selecting and the power adjustments signal that remote controller sends and this signal is exported to a control circuit board and a display circuit board;
A control circuit board, be used to receive the signal that described circuit board for receiving sends, and send the voltage signal of control expelling plate watt level and send frequency range and power signal to display circuit board to the wireless local telephone system interference signal of individual radiating circuit plate, the CDMA technological interference signal radiating circuit plate of time-division and a broadband demal multiplex (MUX) access interference signal radiating circuit plate;
A display circuit board is used to receive and shows open and close, frequency range and the power signal of described circuit board for receiving output and the frequency range and the power signal of described control circuit board output;
The CDMA technological interference signal radiating circuit plate of the wireless local telephone system interference signal of people radiating circuit plate, a time-division and a broadband demal multiplex (MUX) access interference signal radiating circuit plate one by one are respectively applied for to receive power signal that described control circuit board sends and it is adjusted to base station down and launch after with interference signal frequently;
A Switching Power Supply that receives the AC power input is used for providing direct current to each above-mentioned circuit board;
It also comprises drain pan, the side frame that is fixedly linked with described drain pan, the outer cover that is fixedly linked with described side frame, a radiator is fixed on described drain pan upper end, described interfered circuit plate is fixed on the described radiator, antenna plate is fixedly linked by several double-screw bolts and drain pan respectively, be connected with the miniature antenna plate that it is provided with antenna on the described antenna plate, described antenna links to each other with the interference signal radiating circuit plate of corresponding setting by feeder line, described drain pan lower right embeds mains switch and supply socket respectively, described supply socket is connected with Switching Power Supply successively with mains switch, described Switching Power Supply, control circuit board, circuit board for receiving is separately fixed at lower end in the drain pan, and described display circuit board is fixed on described outer cover inner lower.
The beneficial effects of the utility model are: 1, this machine adopts the design of three tunnel autonomous systems, PHS in the effective range (individual wireless local telephone system), TD-S (CDMA technological of time-division), WCDMA various mobile phone signals such as (broadband demal multiplex (MUX) accesses) are shielded, and jamming effectiveness is good.2, built-in directional antenna, microcomputerized control, the remote controller operation has fourth gear power adjustments and Presentation Function, power supply Presentation Function, and is simple to operation.3, only shield the signal of communication of on-the-spot mobile phone, to around communication base station without any influence.
Description of drawings
Fig. 1 is the structural representation of a kind of 3G (Third Generation) Moblie technology mobile communication EVAC (Evacuation Network Computer Model) of the present utility model;
Fig. 2 is the rearview of EVAC (Evacuation Network Computer Model) shown in Figure 1;
Fig. 3 is the control circuit theory diagram of 3G (Third Generation) Moblie technology mobile communication interference unit of the present utility model and system thereof;
Fig. 4 is the interfered circuit theory diagram of communication jammer of the present utility model and system thereof.
Embodiment
Below in conjunction with accompanying drawing and instantiation the utility model is described in detail.
A kind of 3G (Third Generation) Moblie technology mobile communication interference unit shown in Fig. 3,4, it comprises: a circuit board for receiving is used to receive open and close, frequency-selecting and the power adjustments signal that remote controller sends and this signal is exported to a control circuit board and a display circuit board; A control circuit board, be used to receive the signal that described circuit board for receiving sends, and send the voltage signal of control expelling plate watt level and send frequency range and power signal to display circuit board to the wireless local telephone system interference signal of individual radiating circuit plate, the CDMA technological interference signal radiating circuit plate of time-division and a broadband demal multiplex (MUX) access interference signal radiating circuit plate; A display circuit board is used to receive and shows open and close, frequency range and the power signal of described circuit board for receiving output and the frequency range and the power signal of described control circuit board output; The CDMA technological interference signal radiating circuit plate of the wireless local telephone system interference signal of people radiating circuit plate, a time-division and a broadband demal multiplex (MUX) access interference signal radiating circuit plate one by one are respectively applied for to receive power signal that described control circuit board sends and it is adjusted to base station down and launch after with interference signal frequently; A Switching Power Supply that receives the AC power input is used for providing direct current to each above-mentioned circuit board.
Shown in Fig. 1,2,3,4, it comprises 3G (Third Generation) Moblie technology mobile communication EVAC (Evacuation Network Computer Model): a circuit board for receiving is used to receive open and close, frequency-selecting and the power adjustments signal that remote controller sends and this signal is exported to a control circuit board and a display circuit board; A control circuit board, be used to receive the signal that described circuit board for receiving sends, and send the voltage signal of control expelling plate watt level and send frequency range and power signal to display circuit board to the wireless local telephone system interference signal of individual radiating circuit plate, the CDMA technological interference signal radiating circuit plate of time-division and a broadband demal multiplex (MUX) access interference signal radiating circuit plate; A display circuit board is used to receive and shows open and close, frequency range and the power signal of described circuit board for receiving output and the frequency range and the power signal of described control circuit board output; The CDMA technological interference signal radiating circuit plate of the wireless local telephone system interference signal of people radiating circuit plate, a time-division and a broadband demal multiplex (MUX) access interference signal radiating circuit plate one by one are respectively applied for to receive power signal that described control circuit board sends and it is adjusted to base station down and launch after with interference signal frequently; A Switching Power Supply that receives the AC power input is used for providing direct current to each above-mentioned circuit board.It also comprises drain pan, the side frame 14 that is fixedly linked with described drain pan 13, the outer cover 4 that is fixedly linked with described side frame 14, a radiator 9 is fixed on described drain pan 13 upper ends, described interfered circuit plate 1,2,3 are fixed on the described radiator, antenna plate 8 is fixedly linked by several double-screw bolts and drain pan 13 respectively, be connected with the miniature antenna plate 81 that it is provided with antenna on the described antenna plate 8,82,83, described antenna links to each other with the interference signal radiating circuit plate of corresponding setting by feeder line, described drain pan lower right embeds mains switch 11 and supply socket 12 respectively, described supply socket 12 is connected with Switching Power Supply 10 successively with mains switch 11, described Switching Power Supply 10, control circuit board 5, circuit board for receiving 7 is separately fixed at lower end in the drain pan 13, and described display circuit board 6 is fixed on described outer cover 4 inner lower.Be respectively arranged with hook 15 in two ends up and down at described drain pan.Switching Power Supply 10 can be selected the S-100-5 type for use.
The operation principle of mobile phone is as follows: in certain frequency range, mobile phone and base station link up by radio wave, finish the transmission of data and sound with certain baud rate and modulation system.
At above-mentioned Principle of Communication, this machine operation principle is that interference handset receives and transmission, reaches the purpose of cutting off communication by generation and the interference signal of base station down with frequency.
The operation principle of three interfered circuits: adopt oscillating circuit generation swept-frequency signal this signal to be modulated to mode of frequency regulation and produce and base station down each road interference signal with frequency through voltage controlled oscillator tuning voltage end (each circuit board voltage controlled oscillator produces PHS, TD-S, WCDMA interfering frequency respectively), through amplifying circuit, by antenna emission air interference signal, finally reach the purpose of cutting off mobile communication.
The utility model adopts the design of three tunnel autonomous systems, and 3G mobile signals such as PHS, TD-S, WCDMA in the effective range are shielded.Built-in directional antenna, microcomputerized control, remote controller operation.Have fourth gear power remote control adjustment and Presentation Function, power supply Presentation Function.
The operation principle of complete machine: receiving circuit by wireless transmission method receive that remote controller sends open (A), close (D), frequency-selecting (B), power adjustments (C) signal is transferred to control board, microprocessor control display circuit (frequency range, power), power supply by control board shows, power adjustments (the gain-adjusted end of PHS, TD-S, WCDMA power amplifier), by antenna emission air interference signal, finally reach the purpose of cutting off 3G mobile communication again.
Claims (5)
1. 3G (Third Generation) Moblie technology mobile communication interference unit is characterized in that it comprises:
A circuit board for receiving is used to receive open and close, frequency-selecting and the power adjustments signal that remote controller sends and this signal is exported to a control circuit board and a display circuit board;
A control circuit board, be used to receive the signal that described circuit board for receiving sends, and send the voltage signal of control expelling plate watt level and send frequency range and power signal to display circuit board to the wireless local telephone system interference signal of individual radiating circuit plate, the CDMA technological interference signal radiating circuit plate of time-division and a broadband demal multiplex (MUX) access interference signal radiating circuit plate;
A display circuit board is used to receive and shows open and close, frequency range and the power signal of described circuit board for receiving output and the frequency range and the power signal of described control circuit board output;
The CDMA technological interference signal radiating circuit plate of the wireless local telephone system interference signal of people radiating circuit plate, a time-division and a broadband demal multiplex (MUX) access interference signal radiating circuit plate one by one are respectively applied for to receive power signal that described control circuit board sends and it is adjusted to base station down and launch after with interference signal frequently;
A Switching Power Supply that receives the AC power input is used for providing direct current to each above-mentioned circuit board.
2. 3G (Third Generation) Moblie interference unit according to claim 1 is characterized in that, described each interference signal radiating circuit plate comprises:
An oscillating circuit is used to receive the voltage signal of described control circuit board output and produces, exports swept-frequency signal;
A voltage controlled oscillator is used to receive the swept-frequency signal that described oscillating circuit is exported, and this signal is modulated to the voltage controlled oscillator tuning voltage end with mode of frequency regulation;
An operational amplification circuit is used to receive the interference signal of described voltage controlled oscillator output and will be transferred to power amplification circuit after the described interference signal amplification;
A power amplification circuit is used to receive the amplifier signal of described operational amplification circuit, produces and base station down each road interference signal with frequency respectively, and described interference signal is transferred to the radio-frequency transmissions circuit;
A radio-frequency transmissions circuit is used to receive the amplifying signal of described power amplification circuit and it is transferred to the antenna emission.
3. 3G (Third Generation) Moblie technology mobile communication interference unit system is characterized in that it comprises:
A circuit board for receiving is used to receive open and close, frequency-selecting and the power adjustments signal that remote controller sends and this signal is exported to a control circuit board and a display circuit board;
A control circuit board, be used to receive the signal that described circuit board for receiving sends, and send the voltage signal of control expelling plate watt level and send frequency range and power signal to display circuit board to the wireless local telephone system interference signal of individual radiating circuit plate, the CDMA technological interference signal radiating circuit plate of time-division and a broadband demal multiplex (MUX) access interference signal radiating circuit plate;
A display circuit board is used to receive and shows open and close, frequency range and the power signal of described circuit board for receiving output and the frequency range and the power signal of described control circuit board output;
The CDMA technological interference signal radiating circuit plate of the wireless local telephone system interference signal of people radiating circuit plate, a time-division and a broadband demal multiplex (MUX) access interference signal radiating circuit plate one by one are respectively applied for to receive power signal that described control circuit board sends and it is adjusted to base station down and launch after with interference signal frequently;
A Switching Power Supply that receives the AC power input is used for providing direct current to each above-mentioned circuit board;
It also comprises drain pan, the side frame (14) that is fixedly linked with described drain pan (13), the outer cover (4) that is fixedly linked with described side frame (14), a radiator (9) is fixed on described drain pan (13) upper end, described interfered circuit plate (1,2,3) be fixed on the described radiator, antenna plate (8) is fixedly linked by several double-screw bolts and drain pan (13) respectively, be connected with the miniature antenna plate (81 that it is provided with antenna on the described antenna plate (8), 82,83), described antenna links to each other with the interference signal radiating circuit plate of corresponding setting by feeder line, described drain pan lower right embeds mains switch (11) and supply socket (12) respectively, described supply socket (12) is connected with Switching Power Supply (10) successively with mains switch (11), described Switching Power Supply (10), control circuit board (5), circuit board for receiving (7) is separately fixed at the interior lower end of drain pan (13), and described display circuit board (6) is fixed on described outer cover (4) inner lower.
4. 3G (Third Generation) Moblie EVAC (Evacuation Network Computer Model) according to claim 3 is characterized in that, described each interference signal radiating circuit plate comprises:
An oscillating circuit is used to receive the voltage signal of described control circuit board output and produces, exports swept-frequency signal;
A voltage controlled oscillator is used to receive the swept-frequency signal that described oscillating circuit is exported, and this signal is modulated to the voltage controlled oscillator tuning voltage end with mode of frequency regulation;
An operational amplification circuit is used to receive the interference signal of described voltage controlled oscillator output and will be transferred to power amplification circuit after the described interference signal amplification;
A power amplification circuit is used to receive the amplifier signal of described operational amplification circuit, produces and base station down each road interference signal with frequency respectively, and described each road interference signal is transferred to the radio-frequency transmissions circuit;
A radio-frequency transmissions circuit is used to receive the amplifying signal of described power amplification circuit and it is transferred to the antenna emission.
5. 3G (Third Generation) Moblie EVAC (Evacuation Network Computer Model) according to claim 3 is characterized in that: be respectively arranged with hook in two ends up and down at described drain pan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202216819U CN201533307U (en) | 2009-10-29 | 2009-10-29 | Mobile communication interference unit and system of same of the third generation mobile communication technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202216819U CN201533307U (en) | 2009-10-29 | 2009-10-29 | Mobile communication interference unit and system of same of the third generation mobile communication technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201533307U true CN201533307U (en) | 2010-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202216819U Expired - Lifetime CN201533307U (en) | 2009-10-29 | 2009-10-29 | Mobile communication interference unit and system of same of the third generation mobile communication technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201533307U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983880A (en) * | 2012-11-20 | 2013-03-20 | 四川大学 | Wideband code division multiple access (WCDMA) signal shielding system |
| CN106533609A (en) * | 2016-12-15 | 2017-03-22 | 深圳市飞思腾科技有限公司 | Digital signal interferometer |
-
2009
- 2009-10-29 CN CN2009202216819U patent/CN201533307U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983880A (en) * | 2012-11-20 | 2013-03-20 | 四川大学 | Wideband code division multiple access (WCDMA) signal shielding system |
| CN102983880B (en) * | 2012-11-20 | 2016-03-23 | 四川大学 | A kind of WCDMA signal shielding system |
| CN106533609A (en) * | 2016-12-15 | 2017-03-22 | 深圳市飞思腾科技有限公司 | Digital signal interferometer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100721 |
|
| CX01 | Expiry of patent term |