CN114155668A - Intrusion alert intellectual detection system device - Google Patents
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- CN114155668A CN114155668A CN202111067620.3A CN202111067620A CN114155668A CN 114155668 A CN114155668 A CN 114155668A CN 202111067620 A CN202111067620 A CN 202111067620A CN 114155668 A CN114155668 A CN 114155668A
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- 238000004891 communication Methods 0.000 claims abstract description 49
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- 238000011156 evaluation Methods 0.000 claims abstract description 26
- 230000003750 conditioning effect Effects 0.000 claims abstract description 24
- 230000007123 defense Effects 0.000 claims abstract description 17
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 239000003990 capacitor Substances 0.000 claims description 31
- 238000007781 pre-processing Methods 0.000 claims description 17
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/19—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
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Abstract
The invention discloses an intelligent intrusion alarm detection device, which relates to the technical field of intrusion safety detection and comprises the following components: the system comprises an infrared sensor module, a signal conditioning module, a first communication module, an image acquisition and processing module, a network intrusion control module, a safety evaluation module and a safety defense module; the infrared sensor module is used for infrared detection, the signal conditioning module is used for conditioning signals, the first communication module is used for carrying out wireless communication, the image acquisition and processing module is used for image acquisition and identification processing, the network intrusion control module is used for network intrusion detection, the safety evaluation module receives signals and outputs control signals, and the safety defense module is used for voice alarm. The intelligent intrusion alarm detection device provided by the invention has the advantages that the internal and external intrusion detection are mutually matched, the external monitoring is realized through the infrared ray and the camera, the network data is subjected to intrusion detection, the network security index is improved, the intrusion prevention capability is improved, and the voice alarm function is adopted for alarming.
Description
Technical Field
The invention relates to the technical field of intrusion safety detection, in particular to an intrusion alarm intelligent detection device.
Background
Along with the continuous development of intelligent technology, intelligent house products are also widely used, the opening or closing of user's accessible cell-phone remote control intelligent house, thereby realize the intelligent monitoring to intelligent house room, the user can know the condition in the room in real time, improve the security performance of house, but, at present, can't monitor the house comprehensively to the invasion of foreign object, lead to the security performance of house not high, simultaneously along with the development and the use of network, people enjoy the network to carry out house control simultaneously, face the harm of network invasion, traditional network security only leans on firewall to carry out network monitoring, lead to protective capacities weak, and then make the network invaded and lead to the unable normal safety protection of house, and current intrusion alarm mostly adopts audible and visual alarm, it is comparatively single, and unable accurate alarm reason.
Disclosure of Invention
The embodiment of the invention provides an intelligent intrusion alarm detection device, which aims to solve the problems in the background technology.
According to an embodiment of the present invention, an intrusion alarm intelligent detection device is provided, including: the system comprises an infrared sensor module, a signal conditioning module, a first communication module, an image acquisition and processing module, a network intrusion control module, a security evaluation module, a security defense module and a second communication module;
the infrared sensor module is used for detecting the motion condition of an object in a range and outputting an infrared signal;
the signal conditioning module is connected with the output end of the infrared sensor module, receives the infrared signal output by the infrared sensor module, and is used for amplifying the infrared signal, performing analog-to-digital conversion processing and outputting a digital signal;
the first communication module is connected with the output end of the signal conditioning module, is used for receiving the digital signal output by the signal conditioning module, and is used for performing wireless data interaction with the security evaluation module;
the image acquisition processing module is used for monitoring the area in the range and outputting image information, preprocessing the image information to acquire a target in the image information, and analyzing and processing the characteristics of the image information;
the network intrusion control module is used for filtering and screening out error and invalid data in the detected network data, selecting characteristics, classifying data and responding data;
the security evaluation module is connected with the first communication module, the image acquisition and processing module and the output end of the network intrusion control module, is used for receiving and analyzing the output digital signals, the image signals and the detection results, and is used for outputting control signals;
the safety defense module is connected with the output end of the safety evaluation module and is used for receiving the control signal output by the safety evaluation module and carrying out voice alarm;
and the second communication module is connected with the communication end of the safety evaluation module and is used for carrying out data interaction with the user terminal.
Compared with the prior art, the invention has the beneficial effects that: the intelligent intrusion alarm detection device provided by the invention has the advantages that the detection of an external environment is realized by adopting infrared detection and camera monitoring, the intrusion of an external object is prevented, the active defense of a network is realized by detecting and controlling the intrusion in the network, the safety index of the network is improved, the anti-intrusion capability of a home is improved and the safety coefficient of the home is improved by mutually matching the internal intrusion detection and the external intrusion detection, and the voice alarm function is adopted, the alarm voice is automatically input by a user and the alarm is carried out by inputting the voice, so that the intrusion means can be clearly known.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic block diagram of an intrusion alarm intelligent detection device according to an embodiment of the present invention.
Fig. 2 is a schematic connection diagram of an infrared sensor module, a signal conditioning module, and a first communication module according to an embodiment of the present invention.
Fig. 3 is a block diagram illustrating an image acquisition processing module according to an embodiment of the present invention.
Fig. 4 is a block diagram illustrating a structure of a network intrusion control module according to an embodiment of the present invention.
Fig. 5 is a circuit diagram of a security defense module provided by an embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides an intrusion alarm intelligent detection device, including: the system comprises an infrared sensor module 1, a signal conditioning module 2, a first communication module 3, an image acquisition and processing module 4, a network intrusion control module 5, a safety evaluation module 6, a safety defense module 7 and a second communication module 8;
specifically, the infrared sensor module 1 is used for detecting the motion condition of an object in a range and outputting an infrared signal;
the signal conditioning module 2 is connected with the output end of the infrared sensor module 1, receives the infrared signal output by the infrared sensor module, and is used for amplifying the infrared signal, performing analog-to-digital conversion processing and outputting a digital signal;
the first communication module 3 is connected with the output end of the signal conditioning module 2, is used for receiving the digital signal output by the signal conditioning module 2, and is used for performing wireless data interaction with the security evaluation module 6;
the image acquisition processing module 4 is used for monitoring the area in the range and outputting image information, preprocessing the image information to acquire a target in the image information, and analyzing and processing the characteristics of the image information;
the network intrusion control module 5 is used for filtering and screening out error and invalid data in the detected network data, selecting characteristics, classifying data and responding data;
the safety evaluation module 6 is connected with the output ends of the first communication module 3, the image acquisition processing module 4 and the network intrusion control module 5, is used for receiving and analyzing the output digital signals, the image signals and the detection results, and is used for outputting control signals;
the safety defense module 7 is connected with the output end of the safety evaluation module 6 and used for receiving the control signal output by the safety evaluation module 6 and carrying out voice alarm;
and the second communication module 8 is connected with the communication end of the security evaluation module 6 and is used for carrying out data interaction with the user terminal.
In a specific embodiment, the infrared sensor module 1 may perform object detection by using an infrared sensor, so as to detect an object intrusion in an external environment; the signal conditioning module 2 may amplify and perform analog-to-digital conversion on the current signal output by the infrared sensor by using an amplifier J2 and an analog-to-digital converter J3, and output a digital signal; the first communication module 3 may receive the digital signals output by the signal conditioning modules 2 by using ZIGBEE (ZIGBEE) network communication, and perform wireless transmission through a ZIGBEE network, wherein the first communication module 3 may receive the digital signals output by the plurality of signal conditioning modules 2; the image acquisition processing module 4 can adopt a camera to acquire image information and process the image information through an intelligent chip, and the camera can be controlled through the security evaluation module 6; the network intrusion control module 5 can adopt a classification algorithm to carry out intrusion detection and processing on network data, thereby improving the security of the network; the security evaluation module 6 can adopt a Digital Signal Processor (DSP) to receive, analyze and process data and output a control signal to control intrusion detection and alarm; the security defense module 7 can realize alarm by adopting a voice alarm mode; the second communication module 8 may implement data interaction with the user terminal by using one of RS485 communication and GPRS (General packet radio service), which is not described herein again.
Example 2: based on embodiment 1, referring to fig. 2, fig. 3 and fig. 5, in an embodiment of the intelligent intrusion alarm detection device according to the present invention, the infrared sensor module 1 includes a first infrared sensor J1, a first resistor R1, and a first power supply + 5V; the signal conditioning module 2 comprises an amplifier J2 and an analog-to-digital converter J3;
specifically, the output terminal of the first infrared ray sensor J1 is connected to the first terminal of the first resistor R1 and the input terminal of the amplifier J2, the power supply terminal of the first infrared ray sensor J1 is connected to the first power supply +5V and the second terminal of the first resistor R1, the ground terminal of the first infrared ray sensor J1 is grounded, and the output terminal of the amplifier J2 is connected to the input terminal of the analog-to-digital converter J3.
Further, the first communication module 3 comprises a first communication node 301 and a network coordinator 302; the security assessment module 6 comprises a first controller U1;
specifically, the first communication node 301 is configured to receive the digital signal output by the signal conditioning module 2 and output a data signal;
a network coordinator 302, configured to receive the data signal output by the first communication node 301, and configured to transmit the data signal through a wireless network; the input end of the first communication node 301 is connected to the output end of the analog-to-digital converter J3, the output end of the first communication node 301 is wirelessly connected to the input end of the network coordinator 302, and the output end of the network coordinator 302 is wirelessly connected to the first communication end of the first controller U1.
Further, the image acquisition processing module 4 includes a camera acquisition unit 401, an image data preprocessing unit 402, an image feature extraction and analysis unit 403, and a grayscale feature analysis unit 404;
specifically, the camera collecting unit 401 is configured to collect image information;
an image data preprocessing unit 402, configured to preprocess image information to obtain a target image;
an image feature extraction analysis unit 403 and a grayscale feature analysis unit 404 for analyzing the image features and grayscale features of the target image and outputting feature analysis results, respectively; the output end of the camera acquisition unit 401 is connected to the input end of the image data preprocessing unit 402, the first output end of the image data preprocessing unit 402 is connected to the image feature extraction and analysis unit 403, and the second output end of the image data preprocessing unit 402 is connected to the gray feature analysis unit 404.
Further, the security defense module 7 includes a second power supply +5V, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a microphone MIC, and a voice chip U2;
specifically, a second power source +5V is connected with a second resistor R2, a third resistor R3 and a fourth resistor R4, the other end of the second resistor R2 is connected with a fifth resistor R5 and is grounded through a first capacitor C1, the other end of the third resistor R3 is connected with the first end of a voice chip U2, the other end of the fourth resistor R4 is connected with a twenty-fifth end of a voice chip U2, the other end of the fifth resistor R5 is connected with a microphone MIC and is connected with a sixteenth end of the voice chip U2 through a second capacitor C2, the other end of the microphone MIC is connected with a sixth resistor R6 and is connected with a seventeenth end of the voice chip U2 through a third capacitor C3, and the other end of the sixth resistor R6 and the fourteenth end of the voice chip U2 are both grounded.
Further, the security defense module 7 further includes an indicator light LED, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, a potentiometer RP1, a first operational amplifier a1, an eighth capacitor C8, a ninth capacitor C9, and a speaker BL;
specifically, the anode of the indicator light LED is connected to +5V of the first power supply, the cathode of the indicator light LED is connected to the fifth capacitor C5, the sixth capacitor C6, the eighteenth end and the twenty-seventh end of the voice chip U2, the other end of the fifth capacitor C5 and the other end of the sixth capacitor C6 are both grounded, the seventh capacitor C7 is connected to the thirteenth end of the voice chip U2, the other end of the seventh capacitor C7 is connected to the inverting end and the ground end of the first operational amplifier a1 through the potentiometer RP1, the non-inverting end of the first operational amplifier a1 is connected to the slider end of the potentiometer RP1, the output end of the first operational amplifier a1 is connected to the eighth capacitor C8 and the ninth capacitor C9, the other end of the ninth capacitor C9 is connected to the speaker BL, the other end of the eighth capacitor C8 and the other end of the speaker BL are both grounded, the second end of the voice chip U2, the third end and the twenty-eighth end are sequentially connected with the first control end, the second control end and the third control end of the first controller U1.
In a specific embodiment, the first infrared sensor J1 can be selected from ST178H, so as to realize in-range object detection; the amplifier J2 can select an operational amplifier to amplify the current signal output by the first infrared sensor J1; the analog-to-digital converter J3 can optionally use AD7715 to convert the input analog signal into a digital signal received by the first controller U1; the first communication node 301 may use a CC2430 chip to perform data acquisition and wireless transmission; the network coordinator 302 may select a CC2430 chip and a MAX232 coordination chip, receive data output by the first communication node 301, perform level conversion, and further implement communication with a first controller U1; the first controller U1 may use a TMS320C6678 chip, receive analysis and processing data, and output a control signal; in the image acquisition processing module 4, the camera acquisition unit 401 may select a camera to monitor the indoor conditions and output image information; the image data preprocessing unit 402, the image feature extraction and analysis unit 403, and the grayscale feature analysis unit 404 may be integrally controlled by a Field Programmable Gate Array (FPGA) chip, and are configured to preprocess image information to obtain a target image, analyze image features and grayscale features of the target image, and output a feature analysis result; the voice chip U2 can adopt an ISD4002 chip to record voice and perform voice alarm; the LM386 power amplifier can be selected as the first operational amplifier a1, and the volume of the speaker BL can be adjusted by adjusting the resistance of the potentiometer RP 1.
Example 3: on the basis of embodiment 1, please refer to fig. 4, in a specific embodiment of the intelligent intrusion alarm detection device according to the present invention, the network intrusion control module 5 includes a network data acquisition unit 501, an intrusion analysis unit 502, and a detection response unit 503;
specifically, the network data acquisition unit 501 is configured to filter and screen out error and invalid data in the detected network data;
the intrusion analysis unit 502 is configured to perform feature selection on the data acquired by the network data acquisition unit 501, and classify the data after feature selection through a classification algorithm;
a detection response unit 503, configured to respond to the data output by the intrusion analysis unit 502;
the output end of the network data acquisition unit 501 is connected with the input end of the intrusion analysis unit 502, the output end of the intrusion analysis unit 502 is connected with the input end of the detection response unit 503, and the output end of the detection response unit 503 is connected with the input end of the security evaluation module 6.
In a specific embodiment, the data collected by the network data collecting unit 501 is from a real-time network data stream, which includes an MAC layer, a network layer, a transport layer, and an application layer; the intrusion analysis unit 502 can be divided into feature selection and data classification, wherein the feature selection can be performed by using a KDDCUP' 99 standard, and the data classification can be performed by learning network feature data through a classification algorithm, so that the intrusion detection precision is improved; the detection response unit 503 is divided into a network intrusion response and a security response, and the network intrusion response sends a network intrusion signal to the first controller U1 when an intrusion is detected.
In the embodiment of the present invention, infrared detection is performed by the infrared sensor module 1, and the infrared signal is amplified and analog-to-digital converted by the signal conditioning module 2, and a digital signal is output to the first communication module 3, the first communication module 3 receives data output by all communication nodes through the network coordinator 302 and transmits the data to the security evaluation module 6 by using the ZIGBEE network, the image acquisition processing module 4 performs image acquisition by using a camera, and analyzes and identifies the image data by using the camera acquisition unit 401, the image data preprocessing unit 402, the image feature extraction analysis unit 403, and the grayscale feature analysis unit 404, the network intrusion control module 5 performs intrusion detection on the network data by using the network data acquisition unit 501, the intrusion analysis unit 502, and the detection response unit 503, and the detected data are all transmitted to the security evaluation module 6, when the security evaluation module 6 judges that the outside or the network has the intrusion phenomenon, the security defense module 7 is controlled to carry out voice alarm, and data transmission is realized with the user terminal through the second communication module 8, wherein the voice alarm of the security defense module 7 needs to be recorded with alarm voice in advance, in the image acquisition processing module 4, the camera acquisition unit 401 monitors the indoor conditions through the camera, and outputs image information, the image data preprocessing unit 402, the image feature extraction and analysis unit 403, and the gradation feature analysis unit 404 preprocess the image information to obtain a target image, analyze the image features and gradation features of the target image, and output the feature analysis result, in the network intrusion control module 5, intrusion data is extracted and whether the data is intruded is judged by means of data feature selection (KDDCUP' 99 standard) and data classification algorithm (neural network and ensemble learning algorithm).
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides an intrusion alert intellectual detection system device which characterized in that:
this intrusion alert intellectual detection system device includes: the system comprises an infrared sensor module, a signal conditioning module, a first communication module, an image acquisition and processing module, a network intrusion control module, a security evaluation module, a security defense module and a second communication module;
the infrared sensor module is used for detecting the motion condition of an object in a range and outputting an infrared signal;
the signal conditioning module is connected with the output end of the infrared sensor module, receives the infrared signal output by the infrared sensor module, and is used for amplifying the infrared signal, performing analog-to-digital conversion processing and outputting a digital signal;
the first communication module is connected with the output end of the signal conditioning module, is used for receiving the digital signal output by the signal conditioning module, and is used for performing wireless data interaction with the security evaluation module;
the image acquisition processing module is used for monitoring the area in the range and outputting image information, preprocessing the image information to acquire a target in the image information, and analyzing and processing the characteristics of the image information;
the network intrusion control module is used for filtering and screening out error and invalid data in the detected network data, selecting characteristics, classifying data and responding data;
the security evaluation module is connected with the output ends of the first communication module, the image acquisition processing module and the network intrusion control module, is used for receiving and analyzing the digital signals, the image signals and the detection results output by the first communication module, the image acquisition processing module and the network intrusion control module, and is used for outputting control signals;
the safety defense module is connected with the output end of the safety evaluation module and is used for receiving the control signal output by the safety evaluation module and carrying out voice alarm;
and the second communication module is connected with the communication end of the safety evaluation module and is used for carrying out data interaction with the user terminal.
2. The intelligent intrusion alarm detection device according to claim 1, wherein the infrared sensing module comprises a first infrared sensor, a first resistor, a first power supply; the signal conditioning module comprises an amplifier and an analog-to-digital converter;
the output end of the infrared sensor is connected with the first end of the first resistor and the input end of the amplifier, the power supply end of the first infrared sensor is connected with the first power supply and the second end of the first resistor, the ground end of the first infrared sensor is grounded, and the output end of the amplifier is connected with the input end of the analog-to-digital converter.
3. The intrusion alarm intelligent detection device according to claim 2, wherein the first communication module comprises a first communication node and a network coordinator; the security assessment module comprises a first controller;
the first communication node is used for receiving the digital signal output by the signal conditioning module and outputting a data signal;
the network coordinator is used for receiving the data signal output by the first communication node and transmitting the data signal through a wireless network;
the input end of the first communication node is connected with the output end of the analog-to-digital converter, the output end of the first communication node is wirelessly connected with the input end of the network coordinator, and the output end of the network coordinator is wirelessly connected with the first communication end of the first controller.
4. The intelligent intrusion alarm detection device according to claim 1, wherein the image acquisition and processing module comprises a camera acquisition unit, an image data preprocessing unit, an image feature extraction and analysis unit and a gray feature analysis unit;
the camera acquisition unit is used for acquiring image information;
the image data preprocessing unit is used for preprocessing image information to obtain a target image;
the image feature extraction and analysis unit and the gray level feature analysis unit are respectively used for analyzing the image features and the gray level features of the target image and outputting feature analysis results;
the output end of the camera acquisition unit is connected with the input end of the image data preprocessing unit, the first output end of the image data preprocessing unit is connected with the image feature extraction and analysis unit, and the second output end of the image data preprocessing unit is connected with the gray feature analysis unit.
5. The intelligent intrusion alarm detection device according to claim 1, wherein the network intrusion control module comprises a network data acquisition unit, an intrusion analysis unit and a detection response unit;
the network data acquisition unit is used for filtering and screening out error and invalid data in the detected network data;
the intrusion analysis unit is used for carrying out feature selection on the data acquired by the network data acquisition unit and classifying the data after feature selection through a classification algorithm;
the detection response unit is used for responding to the data output by the intrusion analysis unit;
the output end of the network data acquisition unit is connected with the input end of the intrusion analysis unit, the output end of the intrusion analysis unit is connected with the input end of the detection response unit, and the output end of the detection response unit is connected with the input end of the safety assessment module.
6. The intelligent intrusion alarm detection device according to claim 3, wherein the security defense module comprises a second power supply, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a sound pickup and a voice chip;
the second resistance is connected to the second power, third resistance and fourth resistance, fifth resistance and through first electric capacity ground connection are connected to the other end of second resistance, the first end of pronunciation chip is connected to the other end of third resistance, the twenty-fifth end of pronunciation chip is connected to the other end of fourth resistance, the sixteenth end of adapter and through second electric capacity connection pronunciation chip is connected to the other end of fifth resistance, the seventeenth end of sixth resistance and through third electric capacity connection pronunciation chip is connected to the other end of adapter, the other end of sixth resistance and the fourteen end of pronunciation chip all ground connection.
7. The intelligent intrusion alarm detection device according to claim 6, wherein the security defense module further comprises an indicator light, a fifth capacitor, a sixth capacitor, a seventh capacitor, a potentiometer, a first operational amplifier, an eighth capacitor, a ninth capacitor and a speaker;
the positive pole of pilot lamp connects first power, the fifth electric capacity is connected to the negative pole of pilot lamp, the sixth electric capacity, the eighteenth end and the twenty-seventh end of pronunciation chip, the other end of fifth electric capacity and the other end of sixth electric capacity all ground connection, the thirteenth end of pronunciation chip is connected to the seventh electric capacity, the other end of seventh electric capacity passes through the inverting terminal and the ground terminal that first fortune was put in the potentiometer connection, the slider end of potentiometre is connected to the homophase end that first fortune was put, eighth electric capacity and ninth electric capacity are connected to the output that first fortune was put, the speaker is connected to the other end of ninth electric capacity, the other end of eighth electric capacity and the other end of speaker all ground connection, the second end of pronunciation chip, the first control end of first controller is connected gradually to third end and twenty-eighth end, second control end and third control end.
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| CN202111067620.3A CN114155668A (en) | 2021-09-13 | 2021-09-13 | Intrusion alert intellectual detection system device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115278176A (en) * | 2022-07-29 | 2022-11-01 | 山东大学 | Target detection and identification device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115278176A (en) * | 2022-07-29 | 2022-11-01 | 山东大学 | Target detection and identification device and method |
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Application publication date: 20220308 |