CN202634408U - Portable frequency interferometer - Google Patents
Portable frequency interferometer Download PDFInfo
- Publication number
- CN202634408U CN202634408U CN 201220306085 CN201220306085U CN202634408U CN 202634408 U CN202634408 U CN 202634408U CN 201220306085 CN201220306085 CN 201220306085 CN 201220306085 U CN201220306085 U CN 201220306085U CN 202634408 U CN202634408 U CN 202634408U
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- radio signal
- power amplifier
- generating module
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- casing
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Abstract
The utility model discloses a portable frequency interferometer. The portable frequency interferometer comprises a radio signal generating module, a radio signal transmission module and a box body which comprises a lifting handle part, wherein the radio signal transmission module is connected with the radio signal generating module, and receives a radio signal generated by the radio signal generating module; the radio signal generating module and the radio signal transmission module are positioned inside the box body; the radio signal transmission module comprises a power amplifier and a transmitting antenna; and the transmitting antenna is a high-gain antenna. The portable frequency interferometer has the advantages that the interferometer is convenient to carry, simple in operation and wide in interference range, the interference effect is reliable, and the portable frequency interferometer can interfere with all radio signals with the frequency in the range of 20 to 2,500 MHz.
Description
Technical field
The utility model relates to a kind of safety protection module, is specifically related to a kind of frequency interferences appearance.
Background technology
Current only a few law-breaker, terrorist and spy's tissue are in order to endanger society, to obtain confidential information; Take in public places, secret in one's power Conference Room, security field is through placing the remote control explosive, means such as intercepting at a distance, attempt to make pernicious explosive incident, obtain important information.Therefore, at explosive scene, security scene, secret Conference Room and other places, implement large-scale wireless signal shielding, with the life that guarantees personnel and the safety of information.Existing frequency interferences appearance has shortcomings such as volume is big, and weight is big, is not easy to carry, and interference distance weak point and interference band are few.
The utility model content:
The purpose of the utility model is to provide a kind of simple in structure, portable frequency interferences appearance of being convenient for carrying.
In order to overcome the drawback that prior art exists, the utility model provides a kind of frequency interferences appearance, comprising:
The radio signal generating module;
The radio signal transmitter module; And
Casing, it has the parts of guiding and supporting;
Wherein, Said radio signal transmitter module is connected with said radio signal generating module; Receive the radio signal that said radio generating module generates, and said radio signal generating module and said radio signal transmitter module are positioned at said box house.
Preferably; Said radio signal transmitter module includes power amplifier and transmitting antenna; Said power amplifier is connected with said radio signal generating module; Receive the radio signal that said radio generating module generates, said transmitting antenna is connected through feeder line with said power amplifier, receives the radio signal and the emission of said power amplifier output; Wherein, said power amplifier includes at least one low-frequency power amplifier, at least one IF power amplifier and at least one high frequency power amplifier.
Preferably, said transmitting antenna is a high-gain aerial.
Preferably, realize being connected through the connectivity port between said radio signal generating module and the said radio signal transmitter module, and said radio signal generating module also has the connectivity port of reservation.
Preferably, the said casing case lid that includes main part and articulate with said main part.
Preferably, the said parts of guiding and supporting are a telescopic lever, and said telescopic lever is fixed in said casing.
Preferably, said casing also has wheel body, and said wheel body is positioned at said and guides and supports on the relative side of parts, and said wheel body is connected with said casing with mode that can said relatively casing rotation.
Preferably, the frequency of the radio signal of said radio generating module generation is 20MHz～2500MHz.
The utlity model has following beneficial effect: the utility model all is arranged at radio signal generating module and radio signal transmitter module in one casing; And this casing has the parts of guiding and supporting; Simplify the structure of frequency interferences appearance, made the frequency interferences appearance be easy to carry.The radio signal generating module generated frequency of the utility model is in the radio signal of 20～2500MHz; The radio signal transmitter module includes at least one low-frequency power amplifier, at least one IF power amplifier and at least one high frequency power amplifier; Through low-frequency power amplifier, IF power amplifier and high frequency power amplifier, can realize emission to the radio signal of full frequency band.Therefore, the utility model also has the wide characteristics of interference range.
Description of drawings
Fig. 1 is the structural representation of the described portable frequency interferences appearance of the utility model
Fig. 2 is the structural representation of the described portable frequency interferences appearance of the utility model under in working order
Embodiment
According to accompanying drawing the utility model is done further detailed description below, can implement according to this with reference to the specification literal to make those skilled in the art.
Fig. 1 is the described portable frequency interferences appearance structural representation of the utility model, and Fig. 2 is its structural representation under in working order.The portable frequency interferences appearance of the utility model comprises radio signal generating module, radio signal transmitter module and casing 1.The case lid 4 that said casing 1 includes main part and articulates with said main part.Said casing also has the parts of guiding and supporting 2.Preferably, the parts 2 of guiding and supporting in the utility model are a telescopic lever, and this telescopic lever is fixed in said casing 1, when said frequency interferences appearance need move, pulls out.Said casing also has wheel body 3, and said wheel body 3 is a universal wheel, and said wheel body 3 is positioned at said and guides and supports on the relative side of parts 2, and said wheel body 3 is connected with said casing 1 with mode that can said relatively casing 1 rotation.Above-mentioned wheel body comprises an axle construction, and said wheel body 3 links to each other with axle, and said axle construction is fixed on the said casing 1.Said wheel body 3 cooperates with the said parts 2 of guiding and supporting, and makes the mobile convenient of frequency interferences appearance.The portable frequency interferences appearance of the utility model is simple in structure, volume is little, be easy to carry, and can be transported to special event through equipment of small motor vehicle (like car) fast and dispose on-the-spot.
Said radio signal transmitter module is connected with said radio signal generating module, receives the radio signal that said radio generating module generates, and said radio signal generating module and said radio signal transmitter module are positioned at said casing 1 inside.The frequency of the radio signal that said radio generating module generates is 20～2500MHz.Said radio signal transmitter module includes power amplifier and transmitting antenna 5; Said power amplifier is connected with said radio signal generating module; Receive the radio signal that said radio generating module generates; Said transmitting antenna is connected through feeder line with said power amplifier, receives the radio signal and the emission of said power amplifier output.Wherein, said power amplifier includes low-frequency power amplifier, IF power amplifier and high frequency power amplifier, can the radio signal of various frequency ranges be shielded, and interference range is wide.The working frequency range of low-frequency power amplifier is 20～200MHz, and the working frequency range of IF power amplifier is 200～900MHz, and the working frequency range of high frequency power amplifier is 900～2500MHz.Realize being connected through the connectivity port between said radio signal generating module and the said radio signal transmitter module; And said radio signal generating module also has the connectivity port of reservation; Needs according to actual conditions; Can also increase the number of the power amplifier of each working frequency range, strengthen interference effect.Said transmitting antenna 5 is a high-gain aerial, and is wider than the interference distance of traditional antenna, is positioned at said casing 1 inside, need not independent installation during use, simplified the operation installation process.Said portable frequency interferences appearance also comprises master switch and segmentation control switch, both can also can control the unlatching of the power amplifier of being responsible for each working frequency range through the segmentation control switch respectively through the unlatching of the one-touch control frequency interferometer of master switch during work.
Said radio signal generating module produces radio signal (being interference signal), is transferred to power amplifier, and said power amplifier is amplified to the power of regulation with signal, through feeder line radio signal transmission is launched to said transmitting antenna 5 again.Said portable frequency interferences appearance adopts the broadband to block the interference method of formula; Launch identical with the other side's communication frequency; Same or the similar radio magnetic wave of modulation system makes the other side's receiver can not tell the signal from transmitter, thereby reaches the purpose of disturbing wireless signal.The utility model in seconds gets final product installation, plugs in, and opens case lid 4, starts master switch, can start working, and operates very simply, has saved the time, has improved operating efficiency.
The described portable frequency interferences appearance of the utility model can be implemented shielding on a large scale to 20MHz～2500MHz wireless signal; The wireless signal of shielding comprises the wireless signal of various commercial communications, audio frequency and video transmission, location, remote signal or part specific (special) requirements; The source of wireless signal comprises that remote controller (comprises remote control for toys; Automobile remote-control device and various civilian remote controller), beep-pager (comprises beeper; 114 radio station), intercom (comprise civilian intercom, do not comprise the alert intercom of using), C net CDMA mobile phone, G net GSM mobile handset D net DCS mobile phone, TDD-CDMA mobile phone, 3G mobile, PHS net PHS mobile phone, 450MHz net mobile phone, cluster telephone, cordless telephone, WI-FI WLAN, GPS and 4G cell phone.The utility model adopts the conflicting mode of electronic digit modulation scrambling simultaneously; The mode that the scrambling carrier wave adopts pectination spectrum, frequency sweep, point to combine frequently; Interference effect is more reliable; Can effectively avoid the malignant events such as bomb blast, information-leakage that cause because of through wireless signal remote control, transmission, thereby avoid that personnel and article suffer damage, the important information leakage.
Although the embodiment of the utility model is open as above; But it is not restricted to listed utilization in specification and the execution mode; It can be applied to the field of various suitable the utility model fully, for being familiar with those skilled in the art, can easily realize other modification; Therefore under the universal that does not deviate from claim and equivalency range and limited, the legend that the utility model is not limited to specific details and illustrates here and describe.
Claims (8)
1. a portable frequency interferences appearance is characterized in that, comprising:
The radio signal generating module;
The radio signal transmitter module; And
Casing, it has the parts of guiding and supporting;
Wherein, Said radio signal transmitter module is connected with said radio signal generating module; Receive the radio signal that said radio generating module generates, and said radio signal generating module and said radio signal transmitter module are positioned at said box house.
2. portable frequency interferences appearance as claimed in claim 1; It is characterized in that; Said radio signal transmitter module includes power amplifier and transmitting antenna, and said power amplifier is connected with said radio signal generating module, receives the radio signal that said radio generating module generates; Said transmitting antenna is connected through feeder line with said power amplifier; Receive the radio signal and the emission of said power amplifier output, wherein, said power amplifier includes at least one low-frequency power amplifier, at least one IF power amplifier and at least one high frequency power amplifier.
3. portable frequency interferences appearance as claimed in claim 2 is characterized in that said transmitting antenna is a high-gain aerial.
4. portable frequency interferences appearance as claimed in claim 1; It is characterized in that; Realize being connected through the connectivity port between said radio signal generating module and the said radio signal transmitter module, and said radio signal generating module also has the connectivity port of reservation.
5. portable frequency interferences appearance as claimed in claim 1 is characterized in that, the case lid that said casing includes main part and articulates with said main part.
6. portable frequency interferences appearance as claimed in claim 1 is characterized in that, the said parts of guiding and supporting are a telescopic lever, and said telescopic lever is fixed in said casing.
7. portable frequency interferences appearance as claimed in claim 6; It is characterized in that; Said casing also has wheel body, and said wheel body is positioned at said and guides and supports on the relative side of parts, and said wheel body is connected with said casing with mode that can said relatively casing rotation.
8. portable frequency interferences appearance as claimed in claim 1 is characterized in that, the frequency of the radio signal that said radio generating module generates is 20～2500MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220306085 CN202634408U (en) | 2012-06-26 | 2012-06-26 | Portable frequency interferometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220306085 CN202634408U (en) | 2012-06-26 | 2012-06-26 | Portable frequency interferometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202634408U true CN202634408U (en) | 2012-12-26 |
Family
ID=47387549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220306085 Expired - Lifetime CN202634408U (en) | 2012-06-26 | 2012-06-26 | Portable frequency interferometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202634408U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105721100A (en) * | 2016-04-08 | 2016-06-29 | 纪伯文 | Handheld unmanned aerial vehicle countering security device |
| CN106130685A (en) * | 2016-08-22 | 2016-11-16 | 苏州倍声声学技术有限公司 | A kind of radio frequency interference instrument |
| CN109286466A (en) * | 2018-11-19 | 2019-01-29 | 浙江嘉科电子有限公司 | A kind of portable integrated frequency interferometer of novel on-vehicle |
-
2012
- 2012-06-26 CN CN 201220306085 patent/CN202634408U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105721100A (en) * | 2016-04-08 | 2016-06-29 | 纪伯文 | Handheld unmanned aerial vehicle countering security device |
| CN106130685A (en) * | 2016-08-22 | 2016-11-16 | 苏州倍声声学技术有限公司 | A kind of radio frequency interference instrument |
| CN109286466A (en) * | 2018-11-19 | 2019-01-29 | 浙江嘉科电子有限公司 | A kind of portable integrated frequency interferometer of novel on-vehicle |
| CN109286466B (en) * | 2018-11-19 | 2023-12-08 | 浙江嘉科电子有限公司 | Novel portable integrated frequency interference appearance of on-vehicle |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121226 |