CN210246773U - Spread spectrum data transmission signal decoding control device - Google Patents
Spread spectrum data transmission signal decoding control device Download PDFInfo
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- CN210246773U CN210246773U CN201921225147.5U CN201921225147U CN210246773U CN 210246773 U CN210246773 U CN 210246773U CN 201921225147 U CN201921225147 U CN 201921225147U CN 210246773 U CN210246773 U CN 210246773U
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Abstract
The utility model discloses a spread spectrum data transmission signal decoding and controlling device, which comprises an antenna, a case component and a panel component, wherein the antenna receives and transmits radio frequency signals, and the top surface of the case component is matched with the panel component; a power supply module, a receiving module and a control panel are arranged in the case component; the power supply module is electrically connected with the receiving module and the control panel; the receiving module receives the wireless radio frequency signal transmitted by the antenna, decodes the wireless signal to obtain decoding information, and transmits the decoding information to the control panel; the control panel receives and analyzes the decoding information and transmits a signal according to an analysis result; the power amplifier module is installed to panel assembly bottom surface, and power amplifier module and power module electric connection, power amplifier module receive the signal of control panel transmission to transmit to the antenna. The examination room cheating device is simple in structure and convenient to carry, the device is simple to operate and convenient to operate and control, wireless signals used for cheating can be accurately identified, interception and interference are successfully carried out, and therefore the problem of cheating in an examination room can be effectively solved.
Description
Technical Field
The utility model relates to a wireless signal control technical field, more specifically the saying so relates to a spread spectrum data transfer signal control device that decodes.
Background
At present, with the continuous development of information technology, the modern scientific and technological intervention degree of examination cheating is higher and higher from the prior beepers and mobile phones to the prior cheating shoes, cheating purses, cheating button cameras, cheating pens, cheating meal cards, cheating watches, contact earphones, micro wireless scanners, wireless signal transceivers with mercury switches, cheating glasses, cheating erasers, cheating rulers, cheating calculators and the like. These high-tech cheating tools, though disguised in different shapes, can be divided into a wireless data transmission device for reading words and a wireless audio reception device for listening to answers in terms of technical principles thereof. The behaviors and phenomena of illegal communication implemented by radio equipment are increasingly serious, the fairness and the justice of examinations are seriously influenced, the order of radio waves is disturbed, and the management intensity needs to be increased.
However, the technical means adopted for examination cheating at present are all started from wireless audio receiving equipment, but the technical means have obvious defects. Examination departments in various places adopt means of forbidding self-carrying stationery, detecting earphone cheating signals by using equipment such as a metal detector before entering an examination room and the like to strengthen examination safety, but as the equipment only has a single function, inspectors often need to carry various technical and preventive equipment, various equipment chargers and various connecting wires, the opportunity of maintaining the examination room safety is lost because the various equipment cannot be well matched for use, and even disputes between a main examination department and cheating examinees can be caused because the examinees artificially destroy cheating evidences when the inspectors check cheating behaviors sometimes.
Therefore, it is an urgent need to solve the problem of the technical staff in the art to provide a decoding control device for spread spectrum data transmission signal, which is simple in operation, low in cost, convenient to carry, and effective and fundamentally avoids cheating in examination.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a spread spectrum data transfer signal control device that decodes has easy operation, low price, convenient to carry's advantage, and can practically effectual solution examination cheating problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a spread spectrum data transmission signal decoding control device is characterized by comprising an antenna, a case component and a panel component, wherein the antenna receives and transmits radio frequency signals, and the top surface of the case component is provided with the panel component in a matching way;
a power supply module, a receiving module and a control panel are arranged in the case component; the power supply module is electrically connected with the receiving module and the control panel; the receiving module receives the wireless radio frequency signal transmitted by the antenna, decodes the wireless signal to obtain decoding information, and transmits the decoding information to the control board; the control board receives and analyzes the decoding information and transmits a signal according to an analysis result;
the panel component bottom surface installation power amplifier module, power amplifier module with power module electric connection, power amplifier module receives the signal of control panel transmission, and transmit to the antenna.
The beneficial effects of the preferred technical scheme are as follows: the utility model discloses a spread spectrum data transmission signal control device that decodes, simple structure, conveniently carry, the operation of being convenient for, the discernment that can be accurate is used for the radio signal of cheating to successfully intercept, disturb, thereby can effectual solution examination hall cheating problem.
Preferably, the antenna comprises a receiving antenna and a transmitting antenna, the receiving antenna is in signal connection with the receiving module, and the transmitting antenna is in signal connection with the power amplifier module.
Preferably, the receiving antenna adopts a 100-1300MHz frequency band receiving antenna.
The beneficial effects of the preferred technical scheme are as follows: the utility model discloses a receiving antenna adopts the receiving antenna of wide band to can increase radio signal's receiving range, discern multiple radio signal, improve the degree of accuracy of device operation.
Preferably, the power module includes a power interface, the power interface is disposed through a side surface of the chassis assembly, the power interface is electrically connected to an external power source, and meanwhile, the power interface is electrically connected to the receiving module, the power amplifier module and the control board respectively.
The beneficial effects of the preferred technical scheme are as follows: the utility model discloses with power source setting and quick-witted case assembly's side, can be convenient be connected external power supply and power module, can improve the security of device use.
Preferably, the power module further comprises a storage battery, the storage battery is electrically connected with the power interface, and the storage battery is electrically connected with the wireless router, the adapter plate and the control panel respectively.
The beneficial effects of the preferred technical scheme are as follows: the utility model arranges the storage battery in the device, and can provide enough electric energy for the device operation through the storage battery, thereby reducing the device operation limitation, and the device can not be directly electrically connected with the commercial power in the use process; moreover, the storage battery can be repeatedly charged and discharged, and the practicability is improved.
Preferably, the receiving module comprises a power divider and a plurality of digital receivers; the power divider is in signal connection with the antenna and the digital receiver, and is electrically connected with the power supply module; the digital receiver is respectively in signal connection with the control panel and is electrically connected with the power module.
Preferably, the digital receiver comprises a 30-6000MHz digital receiver; the power splitter includes a SEMTECH model SX1278 or a SEMTECH model SX 1276.
The beneficial effects of the preferred technical scheme are as follows: the utility model discloses a plurality of digital receiver come the collaborative work, can discern, receive the multiple channel frequency point that multiple cheating transmitting equipment adopted to can shield, block and disturb the signal of multiple cheating equipment transmission.
Preferably, the control panel comprises a main control unit and a digital emission source, the main control unit is connected with the receiving module and the digital emission source through a CAN high-speed bus, and the main control unit is electrically connected with the power module; the digital emission source is in signal connection with the power amplification module, and the digital emission source is electrically connected with the power supply module.
Preferably, the main control unit comprises an STM32F1 singlechip or an STM32F4 singlechip; the digital emission source includes SX1278 or SX 1276.
The beneficial effects of the preferred technical scheme are as follows: the utility model discloses the information that digital receiver decoded is connected with the main control unit through CAN high speed bus, and the main control unit carries out data analysis and agreement judgement to it after receiving digital receiver's information, if accord with the nature of the answer of practising fraud, the main control unit passes through each digital emission source of CAN bus control and launches certain warning and delete signal, reaches the effect of separation practising fraud.
Preferably, the power amplifier module includes a power combiner and a power amplifier, the power combiner is in signal connection with the control board and the power amplifier, the power combiner is electrically connected with the power supply module, the power amplifier is in signal connection with the wireless router, and the power amplifier is electrically connected with the power supply.
Preferably, the power amplification module adopts PA-FUTURE, and the working frequency range of the power amplification module is 100 + 13000 MHZ.
The beneficial effects of the preferred technical scheme are as follows: the utility model discloses the signal of well digital emission source is through the transmitting antenna transmission in the wireless route after power amplifier enlargies again behind the power combiner, reaches the effect of blocking, disturbing the cheating signal.
Preferably, the chassis component is a pailaken suitcase.
According to the technical scheme, compare with prior art, the utility model discloses a spread spectrum data transfer signal control device that decodes, simple structure, conveniently carry, the device operation is simple, the operation control of being convenient for, and the discernment that can be accurate is used for the radio signal of cheating to intercept, disturb successfully, thereby can effectual solution examination hall cheating problem.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural view provided by the present invention;
fig. 2 is a schematic structural diagram of a panel assembly provided by the present invention;
fig. 3 is a schematic structural diagram of a chassis assembly provided by the present invention;
FIG. 4 is a block diagram illustrating the operation of the structure provided by the present invention;
FIG. 5 is a flow chart of the present invention;
in the figure:
the wireless router comprises a case assembly 1, a panel assembly 2, a power module 3, a receiving module 4, a control panel 5, a power amplifier module 6 and a wireless router 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, the embodiment of the present invention discloses a spread spectrum data transmission signal decoding control device, which comprises an antenna (not shown), a chassis component 1 and a panel component 2, wherein the antenna receives and transmits radio frequency signals, and the top surface of the chassis component 1 is matched with the panel component 2;
the machine case component 1 is internally provided with a power module 3, a receiving module 4 and a control panel 5; the power module 3 is electrically connected with the receiving module 4 and the control panel 5; the receiving module 4 receives the wireless radio frequency signal transmitted by the antenna, decodes the wireless signal to obtain decoding information, and transmits the decoding information to the control board 5; the control panel 5 receives and analyzes the decoding information and transmits signals according to the analysis result;
the power amplifier module 6 is installed to panel assembly 2 bottom surface, and power amplifier module 6 and power module 3 electric connection, power amplifier module 6 receive the signal of control panel 5 transmission to transmit to the antenna.
The utility model discloses a spread spectrum data transmission signal control device that decodes, simple structure, conveniently carry, the operation of being convenient for, the discernment that can be accurate is used for the radio signal of cheating to successfully intercept, disturb, thereby can effectual solution examination hall cheating problem.
In order to further optimize the technical scheme, the antenna comprises a receiving antenna and a transmitting antenna, the receiving antenna is in signal connection with the receiving module 4, and the transmitting antenna is in signal connection with the power amplifier module 6.
In order to further optimize the technical scheme, the receiving antenna adopts a receiving antenna in the frequency band of 100-1300 MHz.
The utility model discloses a receiving antenna adopts the receiving antenna of wide band to can increase radio signal's receiving range, discern multiple radio signal, improve the degree of accuracy of device operation.
For further optimization technical scheme, the power module 3 includes a power interface, the power interface is disposed through the side surface of the chassis component 1, the power interface is electrically connected with an external power supply, and meanwhile, the power interface is electrically connected with the receiving module 4, the power amplifier module 6 and the control board 5 respectively.
The utility model discloses with power source setting and quick-witted case assembly 1's side, can be convenient be connected external power supply and power module 3, can improve the security of device use.
For further optimization technical scheme, the power module 3 further comprises a storage battery, the storage battery is electrically connected with the power interface, and the storage battery is electrically connected with the wireless router 7, the adapter plate and the control panel 5 respectively.
The utility model arranges the storage battery in the device, and can provide enough electric energy for the device operation through the storage battery, thereby reducing the device operation limitation, and the device can not be directly electrically connected with the commercial power in the use process; moreover, the storage battery can be repeatedly charged and discharged, and the practicability is improved.
For further optimization, the receiving module 4 includes a power divider and a plurality of digital receivers; the power divider is in signal connection with the antenna and the digital receiver and is electrically connected with the power module 3; the digital receiver is respectively connected with the control board 5 through signals and is electrically connected with the power module 3.
For further optimization, the digital receiver comprises a 30-6000MHZ digital receiver; the power splitter includes a SEMTECH model SX1278 or a SEMTECH model SX 1276.
The utility model discloses a plurality of digital receiver come the collaborative work, can discern, receive the multiple channel frequency point that multiple cheating transmitting equipment adopted to can shield, block and disturb the signal of multiple cheating equipment transmission.
In order to further optimize the technical scheme, the control panel 5 comprises a main control unit and a digital emission source, the main control unit is connected with the receiving module 4 and the digital emission source through a CAN high-speed bus, and the main control unit is electrically connected with the power module 3; the digital emission source is in signal connection with the power amplification module 6, and the digital emission source is electrically connected with the power supply module 3.
For further optimization of the technical scheme, the main control unit comprises an STM32F1 singlechip or an STM32F4 singlechip; digital emission sources include SX1278 or SX 1276.
The utility model discloses the information that digital receiver decoded is connected with the main control unit through CAN high speed bus, and the main control unit carries out data analysis and agreement judgement to it after receiving digital receiver's information, if accord with the nature of the answer of practising fraud, the main control unit passes through each digital emission source of CAN bus control and launches certain warning and delete signal, reaches the effect of separation practising fraud.
In order to further optimize the technical scheme, the power amplifier module 6 comprises a power combiner and a power amplifier, the power combiner is in signal connection with the control board 5 and the power amplifier, the power combiner is electrically connected with the power supply module 3, the power amplifier is in signal connection with the wireless router 7, and the power amplifier is electrically connected with the power supply.
The power amplifier module 6 adopts PA-FUTURE, and the working frequency range of the power amplifier module 6 is 100-13000 MHZ.
The utility model discloses the signal of well digital emission source is through the transmitting antenna transmission in wireless route 7 after power amplifier enlargies again behind the power combiner, reaches the effect of blocking, disturbing the cheating signal.
For further optimization, the case assembly 1 is a pailaken suitcase.
For further optimization technical scheme, the case component 1 is internally provided with a wireless router 7, the wireless router 7 is electrically connected with the power module 3, the wireless router 7 is in signal connection with the control module and is in signal connection with an external notebook computer, and wireless communication is achieved.
The utility model discloses a spread spectrum data transmission signal control device theory of operation that decodes:
(1) aiming at wireless data transmission cheating equipment adopting spread spectrum transmission technology (such as cheating equipment working in frequency bands of 169MHz, 173MHz, 490MHz, 503MHz and the like), the functions of automatic decoding, automatic blocking, warning and the like are realized, and the functions do not need to be supported by an external monitoring system and can be operated independently;
(2) the decoding function can completely display information such as user numbers, frequency point numbers, texts, emission time and the like, and the proportion of messy codes, missing items and errors cannot exceed 5 percent of the full text;
(3) the blocking function is in the normal coverage range of the equipment, and can realize 100% interference blocking on spread spectrum data transmission signals, and prevent cheating erasers or other equipment in the examination room from receiving any cheating information sent outside the examination room;
(4) the warning function is within the normal coverage range of the equipment, after 1 successful decoding, the preset warning information can be put on cheating erasers or other equipment in the examination hall, the warning content can be required to be correctly displayed, and the proportion of messy codes, missing items and mistakes and omissions cannot exceed 5 percent of the full text;
(5) the system automatically runs when being started, the decoding function is the basic function of the equipment, the setting by an operator is not needed, the blocking and warning functions are optional and can be set by the operator to be started or not, and the setting work can be remotely executed through a network;
(6) the built-in industrial personal computer can store working records, and decoding content, blocking and warning operation records must be stored in a system working log for operators to inquire afterwards, and if the site does not have a network environment, the working records must be stored in a built-in storage of the equipment for the operators to download and inquire;
(7) when in work, the device can select a plurality of working modes, including: rapidly clearing cheating information, sending warning information to carry out storage coverage on a cheating receiver, automatically generating error information to carry out modes such as deceptive jamming and the like;
(8) the power supply mode comprises the following steps: the mains supply and the battery power supply are supported;
(9) the router is connected with the industrial personal computer, so that the system setting, the working log reading and other operations can be supported through the internet access and the WIFI;
(10) the system control terminal supports checking the record of the start and the end of the work, can count the monitoring condition of the cheating signals at regular time, and can send out a prompt tone when the cheating signals are found;
(11) in the system working frequency range, the monitoring and controlling frequency point can be arbitrarily and manually set and automatically decoded to judge whether the frequency point is a newly appeared spread spectrum cheating signal;
(12) the LORA spreading factor analysis function is required, and the decoding capability can be increased by analyzing the spreading factor;
(13) the special information is transmitted through the transmitting module, so that aiming at part of cheating equipment erasers which do not receive a deleting instruction, the system can set various special control modes, including long information coverage warning, short information quick coverage, automatic generation of cheating interference information and the like;
(14) the force-sending suitcase is structurally designed, is firm and portable, can be arranged at any place, does not need to be erected, and can start to work when being electrified;
(15) for the newly appeared spread spectrum data transmission cheating equipment, if the main communication mode of the equipment is not changed, the equipment can provide the decoding interference function for the novel equipment through software upgrading, and if the main communication mode of the equipment is changed, the equipment can provide the decoding interference function for the novel equipment through a mode of adding corresponding hardware options.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A spread spectrum data transmission signal decoding control device is characterized by comprising an antenna, a case component and a panel component, wherein the antenna receives and transmits radio frequency signals, and the top surface of the case component is provided with the panel component in a matching way;
a power supply module, a receiving module and a control panel are arranged in the case component; the power supply module is electrically connected with the receiving module and the control panel; the receiving module receives the wireless radio frequency signal transmitted by the antenna, decodes the wireless signal to obtain decoding information, and transmits the decoding information to the control board; the control board receives and analyzes the decoding information and transmits a signal according to an analysis result;
the panel component bottom surface installation power amplifier module, power amplifier module with power module electric connection, power amplifier module receives the signal of control panel transmission, and transmit to the antenna.
2. The spread spectrum data transmission signal decoding and controlling device according to claim 1, wherein the antenna comprises a receiving antenna and a transmitting antenna, the receiving antenna is in signal connection with the receiving module, and the transmitting antenna is in signal connection with the power amplifier module.
3. The device of claim 1, wherein the power module comprises a power interface, the power interface is disposed through a side surface of the housing assembly, the power interface is electrically connected to an external power source, and the power interface is electrically connected to the receiving module, the power amplifier module, and the control board.
4. The apparatus as claimed in claim 1, wherein the antenna employs a 100-1300MHz band receiving antenna.
5. The apparatus of claim 1, wherein the receiving module comprises a power divider and a plurality of digital receivers; the power divider is in signal connection with the antenna and the digital receiver, and is electrically connected with the power supply module; the digital receiver is respectively in signal connection with the control panel and is electrically connected with the power module.
6. The device according to claim 1, wherein the control board comprises a main control unit and a digital transmitting source, the main control unit is connected to the receiving module and the digital transmitting source via a CAN high-speed bus, and the main control unit is electrically connected to the power module; the digital emission source is in signal connection with the power amplification module, and the digital emission source is electrically connected with the power supply module.
7. The apparatus of claim 1, wherein the power amplifier module comprises a power combiner and a power amplifier, the power combiner is in signal connection with the control board and the power amplifier, the power combiner is in electrical connection with the power module, the power amplifier is in signal connection with a wireless router, and the power amplifier is in electrical connection with a power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201921225147.5U CN210246773U (en) | 2019-07-31 | 2019-07-31 | Spread spectrum data transmission signal decoding control device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921225147.5U CN210246773U (en) | 2019-07-31 | 2019-07-31 | Spread spectrum data transmission signal decoding control device |
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| CN210246773U true CN210246773U (en) | 2020-04-03 |
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| CN201921225147.5U Active CN210246773U (en) | 2019-07-31 | 2019-07-31 | Spread spectrum data transmission signal decoding control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112003671A (en) * | 2020-08-24 | 2020-11-27 | 成都华日通讯技术股份有限公司 | Wireless cheating signal comprehensive monitoring and interference system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112003671A (en) * | 2020-08-24 | 2020-11-27 | 成都华日通讯技术股份有限公司 | Wireless cheating signal comprehensive monitoring and interference system |
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