CN213585798U - Full-frequency seamless covering portable frequency interferometer containing 5G - Google Patents
Full-frequency seamless covering portable frequency interferometer containing 5G Download PDFInfo
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- CN213585798U CN213585798U CN202022570017.4U CN202022570017U CN213585798U CN 213585798 U CN213585798 U CN 213585798U CN 202022570017 U CN202022570017 U CN 202022570017U CN 213585798 U CN213585798 U CN 213585798U
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Abstract
The utility model provides a full-frequency seamless covering portable frequency interferometer containing 5G, which comprises a closed box body with an operation panel, a plurality of external transmitting antennas arranged at the top of the closed box body, a plurality of internal transmitting antennas arranged in the closed box body, a broadband radio frequency power amplification module and a broadband signal waveform generation module of corresponding frequency bands, and a power supply capable of being replaced rapidly; each external transmitting antenna is respectively connected with the output end of each broadband radio frequency power amplification module within the frequency range of 20Mhz-6000MHz, and each internal transmitting antenna is respectively connected with the output end of each broadband radio frequency power amplification module within the frequency range of 20Mhz-3000 MHz; the power supply can be replaced quickly to supply power to all the broadband radio frequency power amplification modules and the broadband signal waveform generation module, and the power supply can be replaced by drawing the power supply from the sealed box body. The utility model discloses an use external antenna to be main built-in antenna as the antenna layout structure of assisting, be favorable to interference signal's comprehensive high strength to cover.
Description
Technical Field
The utility model belongs to the technical field of electronic instrument, in particular to a frequency interference appearance for carrying out the guard and getting rid of the explosive task carries out full frequency channel electromagnetic interference to motorcade, building and suspicious explosive place region promptly, makes the portable frequency interference appearance of the unable work of all wireless remote control device.
Background
At present, with the rapid development of electronic communication technology at home and abroad, the space electromagnetic environment is changed greatly, and particularly, the popularization and application of 4G signals and the interference of mobile communication of 5G base stations are more and more difficult at present in intensive station arrangement and application. Moreover, with the rapid development of the unmanned aerial vehicle technology and the popularization of commercial application, serious potential safety hazard is brought to low-altitude airspace, in recent years, the incidents of illegal intrusion of the unmanned aerial vehicle have exploded and increased, a travelable plane is provided for lawlers, terrorists can even use the unmanned aerial vehicle to carry out hidden bomb and biochemical weapon attack, and the like, so that a full-frequency seamless coverage portable frequency interferometer containing 5G is indispensable.
Although the existing portable frequency interferometer meets the requirement of portable operation, the transmitting power and the working time cannot be better guaranteed. Particularly, in a terrain with a shelter, a shelter such as a wall can have a great effect of sheltering from signal interference of the portable frequency interferometer, so that a high requirement is required for the signal strength of the portable frequency interferometer.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects that the power of the portable frequency interference instrument is not enough and the high-power interference effect can not be provided; the portable frequency interferometer with the built-in antenna is limited by the structure, so that the transmitting power and the transmitting efficiency are not enough; and the high-power interferometer can not solve the problem of emergency due to inconvenient installation and operation, and provides a full-frequency seamless covering portable frequency interferometer containing 5G. The interferometer has the advantages that the antenna is easy and rapid to install; the whole machine body is light and convenient to carry and move, and the equipment supports a one-key switch and a one-key start and can be quickly arranged and retracted; the average power is larger, and the average transmitting power is larger than 380W; the internal modules can be operated independently, maintained independently, or operated in combination according to selection, and can work in a single channel, multiple channels or all channels; the power supply mode is optional, and the power supply can be realized by using a lithium battery of the power supply device and can also be externally connected with commercial power; and the lithium battery assembly mode uses quick installation, can be under the no commercial power condition, the quick replacement lithium battery, and dispose 24V direct current power supply interface, can directly use external power supply to provide 24V direct current power supply to reach the purpose of continuation work. The coverage area of the interference signal is wide, the signal can be covered in 360 degrees in all directions, and the signal can be covered in 45 degrees at the vertical height.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a full-frequency seamless covering portable frequency interferometer containing 5G, which is characterized by comprising a closed box body with an operation panel, a plurality of external transmitting antennas arranged at the top of the closed box body, a plurality of internal transmitting antennas arranged in the closed box body, a broadband radio frequency power amplification module and a broadband signal waveform generation module of corresponding frequency bands, and a power supply capable of being replaced rapidly; the built-in transmitting antennas and the quick-replaceable power supply are respectively fixed at the upper part and the lower part in the closed box body; the middle part in the closed box body forms a plurality of containing spaces through partition plates, and a removable broadband radio frequency power amplification module and a broadband signal waveform generation module are alternately arranged in each containing space respectively; each broadband radio frequency power amplification module is provided with 1 or 2 output ends respectively, each broadband radio frequency power amplification module within the frequency band range of 20Mhz-3000MHz is provided with 2 output ends respectively connected with a corresponding built-in transmitting antenna and a corresponding external transmitting antenna, and each broadband radio frequency power amplification module within the frequency band range of 3001MHz-6000MHz is provided with 1 output end respectively connected with a corresponding external transmitting antenna; the input end of the broadband radio frequency power amplification module of each frequency band is connected with the output end of the broadband signal waveform generation module of the corresponding frequency band; the power supply can be quickly replaced to supply power to all the broadband radio frequency power amplification modules and the broadband signal waveform generation module, and the power supply can be quickly replaced and can be extracted from the sealed box body to replace the power supply;
the operation panel is provided with a waterproof button, a waterproof indicator light, a waterproof knob, a waterproof charging aviation socket, a waterproof data interface and a direct-current charging interface; the waterproof button is connected with the quick-replaceable power supply, and the quick-replaceable power supply is controlled by the waterproof button to realize the on and off of the frequency interferometer; the waterproof indicator light is connected with the quick-replaceable power supply and is used for displaying the current state of the frequency interferometer; the waterproof charging aviation plug is used as an external charging port capable of rapidly replacing a power supply; the waterproof data interface is connected with an external control end and used for data exchange so as to adjust parameter setting; the direct-current charging interface is connected with an external direct-current power supply;
the external transmitting antennas are respectively composed of internal radiators and external protective sleeves, each internal radiator is detachably connected with a corresponding antenna interface at the top of the sealed box body, and each internal radiator is adapted to the frequency of an analog signal output by a corresponding broadband radio frequency power amplification module within the frequency range of 20Mhz-6000 MHz; the built-in transmitting antennas are fixed in the sealed box body through fasteners;
each broadband signal waveform generating module respectively comprises a power supply input interface, a module power supply control switch, and a signal adjusting module, a signal generating module and a signal output end which are sequentially connected; a first micro control unit is arranged in the signal adjusting module, the signal adjusting module is connected with a waterproof data interface in the operation panel, and the control parameter of the first micro control unit is adjusted through an external control end, so that the control of the signal frequency range generated by the signal generating module is realized; the signal generation module comprises a second micro control unit, a voltage-controlled oscillator and a voltage-controlled variable gain amplifier, wherein the second micro control unit is connected with the voltage-controlled oscillator and used for controlling the corresponding voltage-controlled oscillator to generate a radio frequency circuit of a corresponding frequency band through digital frequency hopping so as to generate a digital signal, the second micro control unit is connected with the voltage-controlled variable gain amplifier and used for controlling the corresponding voltage-controlled variable gain amplifier to perform primary power amplification on the digital signal generated by the voltage-controlled oscillator and convert the primary amplified digital signal into an analog signal through analog phase modulation, and the analog signal is output to a corresponding broadband radio frequency power amplification module through the signal output end;
the broadband radio frequency power amplification module adopts a 20w-50w segmented power device and is used for carrying out secondary amplification on the power of the analog signal output by the broadband signal waveform generation module.
The utility model discloses a characteristics and beneficial effect are:
1) all the antennas are matched with an internal broadband radio frequency power amplification module, so that any frequency resource in a 20MHz-6000MHz frequency band can be seamlessly covered; the built-in transmitting antenna, the broadband radio frequency power amplification module, the broadband signal waveform generation module and the high-capacity lithium battery are all arranged in a high-strength airtight box body without damaging materials for electromagnetic waves, only the external transmitting antenna, the waterproof button, the waterproof indicator lamp, the waterproof meter head and the waterproof charging aviation socket are reserved on the box body operation panel, and the heat dissipation vent hole is located in a box body base and meets the requirement of use in rainy days. But this interferometer is provided with quick assembly disassembly battery and can be under the no commercial power circumstances, takes out in order to change the lithium cell fast from the box, and disposes 24V direct current power supply interface, can directly use external power supply to provide 24V direct current power supply to uninterrupted power source when reaching the change battery, the purpose of continuation work. Can fully protect the safety of the field explosion and related personnel in emergency.
2) The broadband wireless remote control system adopts a segmented broadband radio frequency power amplification module, a broadband signal waveform generation module and all antennas, and seamlessly covers all communication frequency bands and all possible remote control frequency bands in a 20MHz-6000MHz frequency band, including all common urban or user-customized frequency band wireless remote control devices such as toy remote control, FM radio, BP (back propagation) machines, automobile remote control, interphone, GSM (global system for mobile communications) mobile phones, CDMA (code division multiple access) mobile phones, 3G mobile phones, 4G mobile phones, 5G mobile phones, personal handphone systems, unmanned aerial vehicles, Wi-Fi (wireless fidelity) and Bluetooth.
3) The broadband radio frequency power amplification module adopts a high-efficiency radio frequency tube, the transmitting power is not less than 380W, and the power consumption power is less than 1500W.
4) The broadband signal waveform generation module adopts a digital high-speed frequency hopping and analog phase modulation mode, controls the frequency hopping speed and frequency through the MCU, can randomly select required interference frequency points, carries out analog phase modulation on the transmitting signals, achieves the optimal interference effect aiming at different targets, can simultaneously form a seamless electromagnetic shielding wall in a time domain and a frequency domain, and shields any analog and digital wireless remote control devices.
5) The antenna adopts the combination of an external high-gain antenna and an internal metal antenna, so that the frequency signal coverage effect of the portable interferometer is better, and the frequency coverage strength can be more effectively ensured in an effective range. The external transmitting antenna is respectively composed of an internal radiator and an external protective sleeve, and the internal radiator is adapted to the frequency of the analog signal output by the corresponding signal source module. The input end of the external transmitting antenna is connected with one output end of the broadband radio frequency power amplification module through a radio frequency line, so that any frequency resource in a frequency band of 20MHz-6000MHz can be seamlessly covered; the built-in metal antenna has good amplification effect on low-frequency signals due to the limitation of material characteristics, so that the input end of the built-in metal antenna is connected with the output end of a broadband radio frequency power amplification module with a low frequency band (20Mhz-3000MHz) to realize the enhancement effect on signals in the frequency band.
To sum up, the utility model discloses a take the place of external antenna as the main, built-in transmitting antenna is the antenna layout structure who assists, has realized the biggest reinforcing effect with portable frequency interference appearance's transmitting signal, is favorable to interfering signal's comprehensive high strength to cover. Meanwhile, a power supply battery inside the portable frequency interferometer is connected and powered by a common wire to be changed into a contact structure capable of being quickly released, so that the power supply battery can be quickly replaced conveniently, and the service life of the portable frequency interferometer under the condition of no commercial power can be prolonged under the condition that the standby battery has enough quantity. Meanwhile, the external antenna comprises a 5G full-band seamless coverage portable frequency interferometer covering a 20-6000MHz frequency band, all wireless remote control equipment in the shielding frequency band comprises a toy remote control, an automobile remote control, an FM radio, wireless data transmission, wireless control, an interphone, a GSM mobile phone, a CDMA mobile phone, a 3G mobile phone, a 4G/5G mobile phone, WIFI, Bluetooth, a personal handphone, an unmanned aerial vehicle and the like, and the application in most scenes can be met.
Drawings
Fig. 1 is a schematic diagram of the overall external structure of the frequency interferometer of the present invention;
fig. 2 is a schematic structural view of an operation panel arranged outside a housing of the frequency interferometer of the present invention;
fig. 3 is a structural diagram of an adjustable broadband signal waveform generation module of the frequency interferometer of the present invention;
fig. 4 is a schematic diagram of a power supply structure capable of being replaced quickly for the frequency interferometer of the present invention;
fig. 5 (a) and (b) are schematic diagrams of vertical and horizontal coverage of the omnidirectional antenna of the frequency interferometer of the present invention, respectively;
fig. 6 (a) and (b) are schematic diagrams of vertical and horizontal coverage of the directional antenna of the frequency interferometer of the present invention, respectively.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples. It is to be understood, however, that the drawings are provided for a better understanding of the invention and that they are not to be interpreted as limiting the invention.
Referring to fig. 1 to 4, the embodiment of the present invention provides a full-frequency seamless-coverage portable frequency interferometer including 5G, which includes a sealed box 1 having an operation panel 6, a plurality of external transmitting antennas 21 disposed at the top of the sealed box 1, a plurality of internal transmitting antennas 22 disposed in the sealed box 1, a broadband radio frequency power amplifying module 3 and a broadband signal waveform generating module 4 in corresponding frequency bands, and a fast replaceable power supply 5; wherein, a plurality of built-in transmitting antennas 22 and the quick replaceable power supply 5 are respectively fixed on the upper part and the lower part in the closed box body 1; the middle part in the closed box body 1 forms a plurality of containing spaces through partition plates, an extractable broadband radio frequency power amplification module 3 and a broadband signal waveform generation module 4 are alternately arranged in each containing space respectively, and one extractable broadband radio frequency power amplification module 3 and one broadband signal waveform generation module 4 are arranged in one containing space; each broadband radio frequency power amplification module 3 is respectively provided with 1 or 2 output ends, each broadband radio frequency power amplification module in the frequency band range of 20Mhz-3000MHz is respectively provided with 2 output ends and is respectively connected with a corresponding built-in transmitting antenna and a corresponding external transmitting antenna, and each broadband radio frequency power amplification module in the frequency band range of 3001MHz-6000MHz is respectively provided with 1 output end and is respectively connected with a corresponding external transmitting antenna; the input end of the broadband radio frequency power amplification module 3 of each frequency band is connected with the output end of the broadband signal waveform generation module 4 of the corresponding frequency band; the quick-replaceable power supply 5 supplies power to all the broadband radio-frequency power amplification modules 3 and the broadband signal waveform generation modules 4, and the quick-replaceable power supply 5 can be extracted from the sealed box body 1 for power supply replacement.
The detailed description of the embodiments and functions of the present invention are as follows:
1) a closed box body 1: referring to fig. 1 and 2, the electromagnetic wave interference instrument is made of high-strength structural electromagnetic wave lossless engineering plastic materials and is used for installing, moving and controlling a platform of each functional element in the frequency interference instrument. The box body of the embodiment adopts a PELICAN1610 high-strength engineering plastic chassis, can adapt to various outdoor extreme weather conditions, but is not limited to the box body, the overall size is 64cm x 52cm x 31cm, the weight is less than or equal to 50Kg, and the sealed box body is provided with wheels, so that the box body is convenient to move and carry. The partition plates in the closed box body 1 are formed by machining corrosion-resistant metal plates, are fixed inside the closed box body 1 into a whole through fasteners such as screws and the like, are used for bearing internal functional modules (including the broadband radio frequency power amplification module 3 and the broadband signal waveform generation module 4), and play a role in fixing the internal functional modules in a partition mode. The broadband radio frequency power amplification modules 3 and the broadband signal waveform generation modules 4 are matched with corresponding accommodating spaces in the middle of the sealed box body 1 through clamping grooves to realize drawer type installation, the middle of the sealed box body 1 of the embodiment is divided into 7 accommodating spaces in the middle of the sealed box body 1 through partition plates, at most 7 broadband radio frequency power amplification modules 3 and 7 broadband signal waveform generation modules 4 can be simultaneously installed, and 1 accommodating space which is positioned at the bottom of the sealed box body 1 and in which a quick-replaceable power supply 5 is placed, and the power supply 5 can be quickly replaced and the inner side wall of the sealed box body 1 is matched through a clamping groove to realize drawer type installation, the power supply 5 can be replaced quickly, and power is supplied to each module by contacting the contacts in the closed box body 1 with the contacts on the broadband radio frequency power amplification module 3 and the broadband signal waveform generation module 4. The base of the closed box 1 is provided with a heat dissipation vent hole (not shown in the figure).
2) Operation panel 6: referring to fig. 2, the operation panel 6 is provided with a conventional waterproof button 6.1, a waterproof indicator light 6.2, a waterproof knob 6.3, a waterproof charging aviation socket 6.4, a waterproof data interface 6.5 and a direct current charging interface 6.6, and is located on the side surface of the closed box body 1; the control panel 6 is connected with the quick-replaceable power supply 5 through a cable and is used for controlling the power supply output of the quick-replaceable power supply 5 to be turned on and off; the waterproof button 6.1 is connected with the quick-replaceable power supply 5, and the quick-replaceable power supply 5 is controlled by the waterproof button 6.1 to realize the on and off of the frequency interferometer; the waterproof indicator light 6.2 is connected with the quick-replaceable power supply 5, the waterproof indicator light 6.2 is used for displaying the state of the current frequency interferometer (when the waterproof indicator light 6.2 is green, the power supply is normally switched on, and when the waterproof indicator light 6.2 is red, the power supply is not normally switched on), so that an operator can know the equipment condition conveniently; the waterproof charging aviation plug 6.4 is used as an external charging port of the quick replaceable power supply 5, can be externally connected with 220V mains supply, provides a power supply for directly inputting the mains supply for the quick replaceable power supply 5, and simultaneously charges a battery of the quick replaceable power supply 5; waterproof type data interface 6.5 links to each other with the supporting connecting wire that uses of outside, and the supporting connecting wire other end links to each other with notebook computer, can realize notebook computer with the utility model discloses a data exchange to this adjustment parameter setting. The direct current charging interface 6.6 can directly use an external power supply to provide 24V direct current power supply so as to achieve the purpose of replacing the battery or keeping continuous work when no electricity exists in the battery. The operation panel 6 is also provided with an auxiliary board and a connecting cable which have the same functions as the operation panel, the auxiliary board and the connecting cable can select whether to start the line control function according to the requirements of task occasions, specifically, the frequency interferometer needs to be used in partial dangerous occasions, such as an explosion-removing site, so that the environment where the frequency interferometer is located is not a safe position, and an operator needs to keep a safe distance, the frequency interferometer can be connected with a waterproof data interface 6.5 on the operation panel 6 through the connecting cable, a waterproof knob 6.3 is pressed down, the line control function is started, all functions of the operation panel 6 are realized by using the auxiliary board, the line control distance of the frequency interferometer is 15 meters, and a certain safe distance can be provided for the operator.
3) A transmitting antenna:
the transmitting antenna is composed of an external transmitting antenna 21 and an internal transmitting antenna 22.
The external transmitting antenna 21 is respectively composed of an internal radiator and an external protective sleeve, the internal radiator is adapted to the frequency of the analog signal output by the corresponding broadband radio frequency power amplification module within the frequency range of 20Mhz-3000MHz and 3001MHz-6000MHz, namely 20Mhz-6000MHz, each radiator is detachably connected with the corresponding antenna interface at the top of the sealed box body 1, the external transmitting antenna 21 with different frequency bands adopts different radiation intensity and external protective sleeves, the wireless remote control device is matched with an internal broadband radio frequency power amplification module 3, realizes seamless coverage of any frequency resource in a frequency band of 20MHz-6000MHz, and comprises a toy remote control device, an FM radio, a BP machine, an automobile remote control device, an interphone, a GSM mobile phone, a CDMA mobile phone, a 3G mobile phone, a 4G mobile phone, a 5G mobile phone, a personal handphone, an unmanned aerial vehicle, Wi-Fi, Bluetooth and other wireless remote control devices with common market or self-designed frequency bands.
The internal transmitting antenna 22 is made of a metal material that can effectively diffuse frequency signals, and brass is generally used. Through the arrangement of the built-in metal antenna, the signal diffusion of a low frequency band (20Mhz-1000Mhz) can be increased well, the signal emission of the frequency interferometer can be enhanced, and the signal coverage is increased. Specifically, each built-in transmitting antenna 22 is fixedly mounted on the upper side wall in the sealed box 1 through a fastener (e.g., a screw), and the built-in transmitting antenna 22 is connected with the output end of each broadband radio frequency power amplification module in the frequency band range of 20Mhz to 3000Mhz for releasing the interference signal. During practical use, in order to save field installation time, all built-in transmitting antennas are always fixed in the sealed box body, and only the external transmitting antennas need to be installed on the field.
The frequency band segmentation of each external transmitting antenna and each internal transmitting antenna is calculated by the conventional design in the field, and different materials and shapes are used for realizing signal amplification of the corresponding frequency band. Such as the F1-F3 bands, aluminum antennas may be used.
The utility model discloses a take the place of charge with external transmitting antenna, built-in transmitting antenna is the antenna layout structure of assisting, has realized the biggest reinforcing effect with portable frequency interference appearance's transmitting signal, is favorable to interfering signal's comprehensive high strength to cover. 4) Broadband radio frequency power amplification module 3: the FLL series 20W-50W segmented power device is adopted, the frequency band division is the same as the radio frequency power device of the antenna frequency band division, the total transmitting power is not less than 380W, and the power consumption power is less than 1500W. The broadband radio frequency power amplification module 3 can effectively amplify the interference waveform generated by the broadband signal waveform generation module 4, and because the broadband signal waveform generation module 4 is difficult to realize high power (not more than 10W) in design, the output waveform needs to be amplified for the second time (the digital signal power after the secondary amplification is 350-380W).
5) Broadband signal waveform generation module 4: the broadband radio frequency power amplification module is used for generating and adjusting signal waveforms with different frequencies, a broadband signal waveform generation module adopting a digital high-speed frequency hopping + analog phase modulation mode is adopted, the output power of the broadband signal waveform generation module is 0dBm, the frequency band division is the same as that of the antenna above, and the broadband signal waveform generation module is completely matched with the broadband radio frequency power amplification module. The utility model provides a broadband signal waveform produces module 4's structure see fig. 3, and this module includes signal output part 4.1, signal generation module 4.2, signal conditioning module 4.3, power input interface 4.4 and module power control switch 4.5. The signal generating module 4.2 adopts a working mode of digital high-speed frequency hopping plus analog phase modulation. The output end of the signal conditioning module 4.3 is connected with the input end of the signal generating module 4.2 through a signal cable 4.6 to control the signal frequency generated by the signal generating module 4.2, a programmable first micro control unit MCU1 is arranged inside the signal conditioning module 4.3, the first micro control unit MCU1 of the present embodiment adopts a domestic chip, such as a single chip microcomputer with the model number of shanjin LPC1778FBD208, the programming of the first micro control unit MCU1 is designed in C/C + + language with strong readability and portability (which is a conventional programming technology in the field), and is developed on a μ Vision IDE platform (the specific development process is a known technology in the field). The signal adjusting module 4.3 is connected with the waterproof data interface 6.5 in the operation panel 6 through a cable, the waterproof data interface 6.5 can be connected through an external notebook computer by using a matched data line, the setting of the signal adjusting module 4.3 can be adjusted through operation software pre-installed on the notebook computer (in the embodiment, a frequency band parameter modifying tool is adopted to adjust frequency band parameters in the signal adjusting module 4.3), so that the signal frequency band range control of the signal generating module 4.2 is realized, a communication window is required to be reserved in some occasions or only certain set frequency ranges are required to be shielded for some tasks, for example, a communication frequency window of the unit is required to be reserved in the explosive disposal process, the mobile communication frequency is required to be shielded in the group event site, and the tasks require the site instant adjustable interference frequency range. The output end of each signal generation module 4.2 is connected with the input end of the corresponding broadband radio frequency power amplification module 3 through the signal output end 4.1.
Each signal generating module 4.2 comprises a second micro control unit MCU2, a voltage controlled oscillator VCO and a voltage controlled variable gain amplifier. The second micro-control unit MCU2 is a control circuit of the signal generating module 4.2, and is connected to the voltage-controlled oscillator VCO and the voltage-controlled variable gain amplifier, respectively, for controlling the operation of the voltage-controlled oscillator VCO and the voltage-controlled variable gain amplifier, and the second micro-control unit MCU2 of this embodiment is a home-made chip, such as huada HC32F 146. Each voltage controlled oscillator VCO generates a radio frequency circuit of its frequency band (i.e. the frequency bands of the radio frequency circuits generated by the voltage controlled oscillators in the different signal generating modules 4.2 are different) under the digital frequency hopping control of the corresponding second micro control unit MCU2, and further generates a digital signal, and transmits the digital signal to the second micro control unit MCU2, where the voltage frequency conversion gains KVCO of the four voltage controlled oscillators of the present embodiment are 20-470, 400-1602, 1525-2164 and 2110-6000 (unit MHz/V), respectively. The voltage-controlled variable gain amplifier is controlled by the second micro control unit MCU2, primary power amplification is carried out on the digital signal generated by the voltage-controlled oscillator VOC (the power of the primary amplified digital signal is 6-10W), and the primary amplified digital signal is converted into an analog signal through analog phase modulation of the micro control unit MCU and transmitted to the corresponding broadband radio frequency power amplification module 3; the voltage-controlled variable gain amplifier of the present embodiment is an ADL5330 voltage-controlled variable gain amplifier, and the operating frequency thereof is 10Hz to 6 GHz. Theoretically, the interference distance is larger when the transmission power is larger, but in practice, the portability, heat dissipation, power supply and cost of equipment need to be considered, the transmission power needs to be considered in a compromise mode, and the heat dissipation and power supply consumption can be reduced by selecting the voltage-controlled variable gain amplifier.
Each signal generation module 4.2 adopts a mode of digital fast frequency hopping and analog phase modulation, namely, a second micro control unit MCU2 controls a corresponding voltage controlled oscillator VCO, radio frequency circuits can be generated at the same time or different frequency bands, the generated radio frequency circuits are amplified sequentially through a voltage controlled variable gain amplifier and a broadband radio frequency power amplification module 3, finally, signal output is realized through a corresponding transmitting antenna, and the output mode can simultaneously form a seamless electromagnetic shielding wall at a time domain and a frequency domain to shield any analog and digital wireless remote control devices. The concrete expression is as follows: the frequency hopping speed and frequency of the digital signals generated by the VOC are controlled by the second micro control unit MCU2 so that the desired interference frequency points can be selected at will and the transmitted signals are subjected to analog phase modulation to achieve the best interference effect for different targets. Based on the software defined on-line system programming technology (ISP), according to different working modes and signal characteristics of various wireless devices, signal waveforms in a digital frequency hopping + analog phase modulation mode are generated, a communication link between the remote control device and a remote controller is cut off efficiently, and a wireless remote control device is blocked from receiving wireless instructions or communication. The output frequency and the operating power of the 4 signal generating modules 4.2 are respectively: 20-470MHz, 400-1602MHz, 1525-2164MHz, 2110-6000 MHz. When 4 signal generation module 4.2 simultaneous workings, the utility model discloses an average operating power is 380W.
The working process of the signal generation module 4.2 is as follows: in the state that the module power control switch 4.5 is turned on, the power supply 7 can be quickly replaced by turning on/off the waterproof button 6.1 on the operation panel 6, so as to turn on/off the second micro control unit MCU2, when the second micro control unit MCU2 starts to work, the voltage controlled oscillator VCO is controlled to generate a radio frequency circuit and generate a corresponding digital signal, meanwhile, the second micro control unit MCU2 controls the voltage controlled variable gain amplifier to amplify the digital signal for the first time, then the analog phase modulation control variable gain amplifier is used to convert the amplified digital signal into an analog signal of a corresponding frequency band, and the analog signal is amplified for the second time by the broadband radio frequency power amplification module 3 and then output by a corresponding transmitting antenna to form a shielding region, thereby realizing the interference effect. When the specific frequency band of the signal source to be interfered is unknown, all the signal generating modules 4.2 need to be started at the same time; if the frequency band of the signal source to be interfered is known (for example, the frequency band of the signal source of the mobile phone is 800 to 1800MHz), the signal generating module 4.2 not lower than the frequency band of the signal source needs to be started to suppress the frequency band, so as to achieve the purpose of interference.
6) Rapidly replaceable power supply 5: set up in the inside below of airtight box 1, for independent power module, can accomplish the power supply to whole frequency interference appearance, see fig. 4, but quick replacement power supply 5 includes power supply casing 5.1 to and place lithium cell and switching power supply (lithium cell and switching power supply are not shown in fig. 4) in power supply casing 5.1 in and constitute. The outside of power supply casing 5.1 is equipped with the handle 5.2 of convenient extraction, and the lithium cell in the power supply casing 5.1 passes through the contact mode and is connected with 1 inboards of closed box, can realize the purpose of quick replacement battery. The built-in lithium battery adopts a high-capacity lithium battery, and can be conveniently used by tasks far away from a commercial power or an external field. The use model of the built-in lithium battery in the embodiment is as follows: 7S12P lithium battery, total battery capacity: 1200WH, which can provide the device with power supply time of more than or equal to 60 minutes. The switching power supply adopts a bright weft RSP2000 switching power supply, can receive the power supply of AC220v commercial power or the power supply of a generator provided by the outside, and provides continuous power supply for the equipment.
The device is designed and customized to a specific frequency band under a specific task, can effectively shield a wireless remote control device and a wireless network, adopts a digital high-speed frequency hopping and analog phase modulation mode, can form an electromagnetic shielding wall in a time domain and a frequency domain simultaneously, shields devices such as analog devices, digital wireless remote control devices and the like of the specific frequency band, and blocks (shields) an interfered target from receiving a wireless instruction or a communication signal, thereby achieving the purpose of interference.
Fig. 5 is a schematic view of omni-directional antenna coverage, wherein (a) is a schematic view of coverage from vertical to 45 ° or so, and (b) is a schematic view of coverage from horizontal to 360 °; an oblate spherical electromagnetic shielding area is formed by overlapping the horizontal direction and the vertical direction. The size of the electromagnetic shielding area is inversely proportional to the strength of the interference signal of the signal source, and when the interference signal is-80 DBm, the interference distance can cover 100 meters.
Fig. 6 is a schematic diagram of coverage of a directional antenna, in which a built-in directional antenna forms a coverage of 90 ° in the horizontal direction from the interferometer, see (a) in fig. 6, and a coverage of 45 ° in the vertical direction, see (b) in fig. 6, to form a cone-shaped coverage area. The directional antenna emits electromagnetic energy in a given direction to enhance the interference effect. Directional antennas are used in situations where the position or orientation of the remote control device is known for optimal application.
The utility model discloses frequency interference appearance's working process as follows:
when the condition that needs set up the interference region takes place, operating personnel carries the utility model discloses frequency interference appearance reachs the scene, places this frequency interference appearance after, according to the antenna reference numeral at interferometer top with external transmitting antenna 21 and antenna interface match installation one by one, then start waterproof type button 6.1 on the operating panel 6 of position, the opening equipment reaches the effect that sets up the interference region. If it is necessary to set up the interference area for a long time (more than 1 hour), the commercial power needs to be connected through the waterproof charging aviation socket 6.4 on the operation panel 6.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A full-frequency seamless covering portable frequency interferometer containing 5G is characterized by comprising a sealed box body with an operation panel, a plurality of external transmitting antennas arranged at the top of the sealed box body, a plurality of internal transmitting antennas arranged in the sealed box body, a broadband radio frequency power amplification module and a broadband signal waveform generation module of corresponding frequency bands, and a power supply capable of being replaced quickly; the built-in transmitting antennas and the quick-replaceable power supply are respectively fixed at the upper part and the lower part in the sealed box body; the middle part in the sealed box body forms a plurality of containing spaces through partition plates, and a removable broadband radio frequency power amplification module and a broadband signal waveform generation module are alternately arranged in each containing space respectively; each broadband radio frequency power amplification module is provided with 1 or 2 output ends respectively, each broadband radio frequency power amplification module within the frequency band range of 20Mhz-3000MHz is provided with 2 output ends respectively connected with a corresponding built-in transmitting antenna and a corresponding external transmitting antenna, and each broadband radio frequency power amplification module within the frequency band range of 3001MHz-6000MHz is provided with 1 output end respectively connected with a corresponding external transmitting antenna; the input end of the broadband radio frequency power amplification module of each frequency band is connected with the output end of the broadband signal waveform generation module of the corresponding frequency band; the power supply can be quickly replaced to supply power to all the broadband radio frequency power amplification modules and the broadband signal waveform generation module, and the power supply can be quickly replaced and can be extracted from the sealed box body to replace the power supply;
the operation panel is provided with a waterproof button, a waterproof indicator light, a waterproof knob, a waterproof charging aviation socket, a waterproof data interface and a direct-current charging interface; the waterproof button is connected with the quick-replaceable power supply, and the quick-replaceable power supply is controlled by the waterproof button to realize the on and off of the frequency interferometer; the waterproof indicator light is connected with the quick-replaceable power supply and is used for displaying the current state of the frequency interferometer; the waterproof charging aviation plug is used as an external charging port capable of rapidly replacing a power supply; the waterproof data interface is connected with an external control end and used for data exchange so as to adjust parameter setting; the direct-current charging interface is connected with an external direct-current power supply;
the external transmitting antennas are respectively composed of internal radiators and external protective sleeves, each internal radiator is detachably connected with a corresponding antenna interface at the top of the sealed box body, and each internal radiator is adapted to the frequency of an analog signal output by a corresponding broadband radio frequency power amplification module within the frequency range of 20Mhz-6000 MHz; the built-in transmitting antennas are fixed in the sealed box body through fasteners;
each broadband signal waveform generating module respectively comprises a power supply input interface, a module power supply control switch, and a signal adjusting module, a signal generating module and a signal output end which are sequentially connected; a first micro control unit is arranged in the signal adjusting module, the signal adjusting module is connected with a waterproof data interface in the operation panel, and the control parameter of the first micro control unit is adjusted through an external control end, so that the control of the signal frequency range generated by the signal generating module is realized; the signal generation module comprises a second micro control unit, a voltage-controlled oscillator and a voltage-controlled variable gain amplifier, wherein the second micro control unit is connected with the voltage-controlled oscillator and used for controlling the corresponding voltage-controlled oscillator to generate a radio frequency circuit of a corresponding frequency band through digital frequency hopping so as to generate a digital signal, the second micro control unit is connected with the voltage-controlled variable gain amplifier and used for controlling the corresponding voltage-controlled variable gain amplifier to perform primary power amplification on the digital signal generated by the voltage-controlled oscillator and convert the primary amplified digital signal into an analog signal through analog phase modulation, and the analog signal is output to a corresponding broadband radio frequency power amplification module through the signal output end;
the broadband radio frequency power amplification module adopts a 20w-50w segmented power device and is used for carrying out secondary amplification on the power of the analog signal output by the broadband signal waveform generation module.
2. The frequency interferometer of claim 1, wherein the fast replaceable power supply comprises a power supply housing, and a lithium battery and a switching power supply arranged in the power supply housing, wherein the lithium battery is connected with the inner side of the closed box body in a contact manner.
3. The frequency interferometer of claim 2, wherein a handle is provided on the outside of the power supply housing.
4. The frequency interferometer of claim 1, wherein the built-in transmitting antenna is a metal antenna.
5. The frequency interferometer of claim 1, wherein the built-in transmitting antenna is a brass antenna.
6. The frequency interferometer of claim 1, wherein there are 4 said wideband signal waveform generating modules and 4 said wideband rf power amplifying modules; the output frequency of each broadband signal waveform generation module is as follows: 20-470MHz, 400-1602MHz, 1525-2164MHz and 2110-6000MHz, and the working power of each broadband signal waveform generation module is 380W; in each broadband radio frequency power amplification module, the voltage frequency conversion gain KVCO of each voltage-controlled oscillator is 20-470MHz/V, 400-1602MHz/V, 1525-2164MHz/V and 2110-6000MHz/V respectively.
7. The frequency interferometer of claim 1, wherein the operation panel is configured with a sub-board and a connection cable having the same function as the operation panel, the connection cable is connected to a waterproof data interface on the operation panel, and the waterproof knob is pressed to activate the drive-by-wire function.
8. The frequency interferometer of claim 1, wherein the total average transmission power of each wideband rf power amplifier module is not less than 380W, and the power consumption is less than 1500W.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202022570017.4U CN213585798U (en) | 2020-11-09 | 2020-11-09 | Full-frequency seamless covering portable frequency interferometer containing 5G |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022570017.4U CN213585798U (en) | 2020-11-09 | 2020-11-09 | Full-frequency seamless covering portable frequency interferometer containing 5G |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116436558A (en) * | 2022-06-14 | 2023-07-14 | 深圳市安卫普科技有限公司 | Portable frequency interference instrument and wireless signal shielding system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116436558A (en) * | 2022-06-14 | 2023-07-14 | 深圳市安卫普科技有限公司 | Portable frequency interference instrument and wireless signal shielding system |
| WO2023240922A1 (en) * | 2022-06-14 | 2023-12-21 | 深圳市安卫普科技有限公司 | Portable frequency interferometer |
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