CN213522376U

CN213522376U - Mobile phone discovery equipment and system

Info

Publication number: CN213522376U
Application number: CN202022905619.0U
Authority: CN
Inventors: 王辉; 罗佳; 黄峰
Original assignee: Xiamen Muqi Network Technology Co ltd
Current assignee: Xiamen Muqi Network Technology Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-06-22
Anticipated expiration: 2030-12-07

Abstract

The utility model relates to a mobile phone discovery device and a system, which comprises a main controller, a sweep frequency module, a signal interference unit and a base station unit; the frequency sweeping module is in communication connection with the main controller, analyzes surrounding public base station signals and transmits frequency points of the public base stations to the main controller; the controlled end of the signal interference unit is connected with the control end of the main controller and transmits interference signals of a preset frequency band; and the base station unit is in communication connection with the main controller, transmits a test signal of a preset frequency band and transmits the information of the accessed mobile terminal to the main controller. The mobile phone discovery equipment and the mobile phone discovery system have the characteristics of small volume, low power consumption and strong adaptability. The performance is reliable, the portability is excellent, and the influence on the public network is extremely small under the same radio frequency power.

Description

Mobile phone discovery equipment and system

Technical Field

The utility model relates to a radio communication technology field especially relates to a cell-phone discovery equipment and system.

Background

In places such as prisons, guard houses, military places, examination rooms and the like, illegal use of mobile phones needs to be prohibited due to safety and management requirements, the number of mobile phone cards used by mobile phones in a specific area needs to be found quickly under the scenes, and whether illegal mobile phones are carried or cards of working mobile phones which are privately installed and personal are not beneficial to unified management exist or not is identified. At present, the detection and discovery system aiming at the mobile phone in the market is very complex and needs professional operation. The existing detection equipment is generally based on an old-fashioned framework, and has the advantages of large quantity of internal main boards, high power consumption and large appearance volume. Moreover, most devices have incomplete standards, can only adapt to specific wireless network environments, and have great influence on surrounding public networks.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a mobile phone discovery device for solving the problems of large power consumption and low portability of the conventional device.

On the one hand, the utility model provides a mobile phone discovery equipment, include: the system comprises a main controller, a frequency sweep module, a signal interference unit and a base station unit; the frequency sweeping module is in communication connection with the main controller, analyzes surrounding public base station signals and transmits frequency points of the public base stations to the main controller; the controlled end of the signal interference unit is connected with the control end of the main controller and transmits interference signals of a preset frequency band; and the base station unit is in communication connection with the main controller, transmits a test signal of a preset frequency band, and transmits the information of the accessed mobile terminal to the main controller.

The preset frequency band is a public frequency band which is scanned by the sweep frequency module and cannot be transmitted by the base station unit.

Preferably, the signal interference unit includes a controller, a signal modulator, a filter amplifier, and an antenna, wherein an output terminal of the signal modulator is connected to an input terminal of the filter amplifier, and an output terminal of the filter amplifier is connected to an input terminal of the antenna.

Preferably, the signal interference unit includes a TD-SCDMA band interference unit and a WCDMA band interference unit, where the controlled end is connected with the control end of the main controller.

Preferably, the base station unit comprises an FDD-LTE base station unit, a TDD-LTE base station unit, a CDMA base station unit and a GSM base station unit which are in communication connection with the main controller.

Preferably, the mobile phone discovery device further includes a combiner, wherein output ends of filter amplifiers of the FDD-LTE base station unit, the TDD-LTE base station unit, the CDMA base station unit, and the GSM base station unit are all connected to an input end of the combiner, and an output end of the combiner is in communication connection with an antenna.

Preferably, the base station unit includes a base station controller, a modem, a filter amplifier, and an antenna, the modem is communicatively connected to the filter amplifier, and the filter amplifier is communicatively connected to the antenna.

Preferably, the mobile phone discovery device further comprises a bluetooth module, and the bluetooth module is connected with the wireless communication end of the main controller.

On the other hand, the utility model also provides a mobile phone discovery system, reach as above including mobile terminal the mobile phone discovery equipment, the mobile phone discovery equipment with through bluetooth communication connection between the mobile terminal.

The mobile phone discovery equipment searches the frequency point of the public base station through the frequency sweeping module, and interferes the signal of part of the frequency point through an interference signal to reduce the frequency of the corresponding mobile phone to a required signal frequency band; and simulating the frequency point of the public base station through the base station unit, recording and storing the accessed mobile phone information after the mobile phone used in violation accesses the signal, stopping signal transmission of the frequency point, and finishing discovery of the mobile phone in violation. The technical scheme has the advantages of small equipment volume, low power consumption and strong adaptability, and has small influence on surrounding public networks when in use.

Drawings

Fig. 1 is an overall schematic diagram of an embodiment of a mobile phone discovery system of the present invention;

fig. 2 is a schematic overall diagram of a base station unit according to an embodiment of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a main controller; 21. TD-SCDMA frequency band interference unit; 22. a WCDMA frequency band jammer; 31. an FDD-LTE base station unit; 32. a TDD-LTE base station unit; 33. a GSM base station unit; 34. a CDMA base station unit; 4. a combiner; 5. a frequency sweep module; 6. a Bluetooth module; 7. a mobile terminal; 8. a base station controller; 9. a modem; 10. and a filter amplifier.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. It is apparent that the specific details set forth in the following description are merely exemplary of the invention, which can be practiced in many other embodiments that depart from the specific details disclosed herein. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1, the utility model provides a mobile phone discovery equipment, include: the device comprises a main controller 1, a frequency sweep module 5, a signal interference unit and a base station unit; the frequency sweeping module 5 is in communication connection with the main controller 1, analyzes surrounding public base station signals and transmits frequency points of the public base stations to the main controller 1; the controlled end of the signal interference unit is connected with the control end of the main controller 1, and transmits an interference signal of a preset frequency band, wherein the preset frequency band is a frequency band of a public base station which is scanned by the frequency sweep module and cannot be transmitted by the base station unit; the base station unit is in communication connection with the main controller 1, transmits a test signal of a preset frequency band, and transmits information of the accessed mobile terminal 7 to the main controller 1. The main controller 1 is responsible for controlling and scheduling each sub-component.

The utility model discloses technical scheme has reduced partial unnecessary frequency point basic unit through interference module's use, has practiced thrift the cost, has reduced the volume of equipment, also makes equipment be applicable to the cell-phone card of all kinds of operators of discovery simultaneously. And through the use of the pseudo base station, the use of the interference module and the pseudo base station is stopped immediately after the illegal mobile phone is detected, so that the equipment does not need to transmit interference signals for a long time, and the influence on a surrounding public network is small when the equipment is used.

It should be noted that the device can be portable by using an external power supply, and can provide electric quantity during normal use. The used antenna can be a directional antenna or an omnidirectional antenna according to the actual use scene.

The signal interference unit comprises a controller, a signal modulator, a filter amplifier and an antenna, wherein the output end of the signal modulator is connected with the input end of the filter amplifier, and the output end of the filter amplifier is connected with the input end of the antenna. Referring to fig. 2, the base station unit also includes a base station controller 8, a modem 9, a filter amplifier 10, and an antenna, the modem 9 being in communication with the filter amplifier 10, and the filter amplifier 10 being in communication with the antenna.

Further, the signal interference unit includes a TD-SCDMA band interference unit 21 and a WCDMA band interference unit 22, where the controlled end is connected with the control end of the main controller 1. The base station unit comprises an FDD-LTE base station unit 31, a TDD-LTE base station unit 32, a CDMA base station unit 34 and a GSM base station unit 33 which are in communication connection with the main controller 1, and the base station unit is a base station board comprising the above components.

The FDD-LTE and TDD-LTE base station units have the signal output capacity of a digital base station and can change the main parameters such as PLMN, frequency band, frequency point and the like; and the broadband low-power amplifier is also arranged, and can cover all frequency bands of 4 gLTE.

It should be noted that, 3G noise signals are transmitted through the TD-SCDMA frequency band jammer 21 and the WCDMA frequency band jammer 22, the frequency of the offending mobile phone is automatically reduced to the 2G signal frequency band due to the existence of the interference signals, and then the offending mobile phone is detected through the 2G frequency band base station unit of the device, so that the mobile phone cards residing on 2G, 3G and 4G can be judged at the same time, and the method is simple and effective.

The mobile phone discovery device further comprises a combiner 4, wherein output ends of the filter amplifiers 10 of the FDD-LTE base station unit 31, the TDD-LTE base station unit 32, the CDMA base station unit 34, and the GSM base station unit 33 are all connected with an input end of the combiner 4, and an output end of the combiner 4 is in communication connection with an antenna. The different base station unit signals are mixed by the combiner 4 and transmitted by an antenna.

It should be noted that the base station unit may use a base station board provided by a current main stream communication equipment provider, for example, a GSM base station board of a model GSM900, which is not listed here.

The device has a polling function, and TDD-LTE, FDD-LTE, CDMA and GSM can simulate each frequency point information of the public network in sequence according to the on-site network environment. Each frequency point resides in N seconds and then hops to another frequency point, so that only one mainboard can adapt to all network environments of the system. In the polling process, the information of the mobile phone card residing on each frequency point is collected at each frequency point, and then the mobile phone card is released to return to a normal network immediately.

On the other hand, the utility model also provides a mobile phone discovery system, including mobile terminal 7 and as above mobile phone discovery equipment, this mobile phone discovery equipment includes bluetooth module 6, and bluetooth module 6 is connected with main control unit 1's wireless communication end. The mobile phone discovery device is connected with the Bluetooth module 6 of the mobile terminal 7 through Bluetooth communication. The mobile phone discovery device and the mobile terminal 7 can also be connected through other wireless modules such as a WIFI module.

In this embodiment, when the device is used, the device is powered on first, and the main controller 1 automatically detects the working states of the components first. The frequency sweep module 5 starts to work, scans the public network broadcasting condition in the working environment, and analyzes the basic information such as operator information, frequency points, priority and the like. The main controller 1 obtains the polling setting through calculation, the main controller 1 writes the calculated setting information into the TDD-LTE, FDD-LTE and GSM base station units 33 respectively, simultaneously starts the radio frequency of each base station unit, starts the TD-SCDMA frequency band interference module and the WCDMA frequency band interference module, detects illegal mobile phones accessing signals, and collects the information collected on each module to the main control board. And finally, corresponding data are transmitted to the intelligent mobile terminal 7 through a Bluetooth or wifi protocol for display, and a user can reach up and down instructions from the intelligent mobile terminal 7 according to actual requirements to close the radio frequency signal.

The mobile phone discovery equipment searches the frequency point of the public base station through the frequency sweeping module 5, and interferes the signal of part of the frequency point through an interference signal to reduce the frequency of the corresponding mobile phone to a required signal frequency band; and then, simulating the frequency point of the public base station through the base station unit, recording and storing the accessed mobile phone information after the mobile phone used in violation accesses the signal, stopping the signal transmission of the frequency point, and finishing the discovery of the mobile phone in violation.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, substitutions and improvements can be made, and all of them should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the claims.

Claims

1. A mobile discovery apparatus, comprising: the system comprises a main controller, a frequency sweep module, a signal interference unit and a base station unit; the frequency sweeping module is in communication connection with the main controller, analyzes surrounding public base station signals and transmits frequency points of the public base stations to the main controller; the controlled end of the signal interference unit is connected with the control end of the main controller and transmits interference signals of a preset frequency band; and the base station unit is in communication connection with the main controller, transmits a test signal of a preset frequency band, and transmits the information of the accessed mobile terminal to the main controller.

2. The handset discovery device of claim 1, wherein the predetermined frequency band is a common frequency band that is scanned by the sweep module and cannot be transmitted by the base station unit.

3. The handset discovery apparatus of claim 1 wherein said signal disruptor comprises a controller, a signal modulator, a filter amplifier, and an antenna, an output of said signal modulator being connected to an input of said filter amplifier, an output of said filter amplifier being connected to an input of said antenna.

4. The device of claim 1, wherein the signal disturber comprises a TD-SCDMA band disturber and a WCDMA band disturber, the controlled end of which is connected to the control end of the main controller.

5. The handset discovery device of claim 4 wherein said base unit includes an FDD-LTE base unit, a TDD-LTE base unit, a CDMA base unit and a GSM base unit communicatively coupled to said master controller.

6. The mobile phone discovery device of claim 5, further comprising a combiner, wherein the outputs of the filter amplifiers of the FDD-LTE base station unit, the TDD-LTE base station unit, the CDMA base station unit and the GSM base station unit are all connected to the input of the combiner, and the output of the combiner is communicatively connected to an antenna.

7. The handset discovery apparatus of claim 1 wherein said base unit includes a base station controller, a modem, a filter amplifier, and an antenna, said modem communicatively coupled to said filter amplifier, said filter amplifier communicatively coupled to said antenna.

8. The mobile phone discovery device according to any one of claims 1 to 7, further comprising a bluetooth module, wherein the bluetooth module is connected to the wireless communication terminal of the main controller.

9. A mobile discovery system, comprising: a mobile terminal and a mobile phone discovery device according to any one of claims 1 to 8, wherein the mobile phone discovery device is connected with the mobile terminal through bluetooth communication.