A multifunctional combined mobile law enforcement method and device

Abstract

The present invention discloses a multifunctional combined mobile law enforcement method and device, which relates to the field of mobile law enforcement technology, including: a law enforcement terminal, a peripheral module, a display module, a signal transmission module and a fixed module; the law enforcement terminal is connected to the peripheral module signal through the signal transmission module; the law enforcement terminal is fixedly connected to the peripheral module through the fixed module; the data acquired by the peripheral module is transmitted to the law enforcement terminal through the signal transmission module, and the data is transmitted, stored, analyzed and judged through the law enforcement terminal, and displayed on the display module. The present invention proposes a multifunctional combined mobile law enforcement method and device, which uses a 5G mobile law enforcement terminal as a carrier, integrates digital intercom, duty law enforcement recorder, alcohol detection, printer, identity verification and other modules, can be connected to mobile speed measurement, electronic license plate recognition and other expansion equipment, to form a modular combined integrated intelligent comprehensive law enforcement combat platform, and utilizes the above hardware resources to meet the needs of multi-person remote law enforcement.

Description

Technical Field

[0001] The present invention relates to the field of mobile law enforcement technology, and more specifically to a multifunctional combined mobile law enforcement method and device, as well as a multi-person remote law enforcement method. Background Art

[0002] Existing mobile law enforcement terminals are designed according to a single business requirement, and it is difficult to meet the requirements of multi-task and multi-process law enforcement construction at the same time. For example, mobile law enforcement terminals, on-duty law enforcement recorders, digital walkie-talkies, alcohol testers, printers, ID card verification terminals and other equipment are generally used as independent law enforcement equipment, which has the problems of high cost, inconvenience in carrying and management. When enforcing the law, in order to ensure the effectiveness of law enforcement, law enforcement operations need to be carried out by law enforcement personnel with law enforcement qualifications, and in order to ensure the fairness of law enforcement, there must be no less than two law enforcement personnel. In reality, when there is a serious shortage of law enforcement personnel with administrative law enforcement qualifications, the above-mentioned law enforcement requirements cannot be guaranteed, resulting in doubts about the effectiveness of law enforcement and affecting the law enforcement effect.

[0003] Therefore, a multifunctional combined mobile law enforcement method and device, as well as a multi-person remote law enforcement method are proposed: using a 5G mobile law enforcement terminal as a carrier, integrating digital intercom, duty law enforcement recorder, alcohol detection, printer, identity verification and other modules, and can be connected to mobile speed measurement, electronic license plate recognition and other expansion equipment to form a modular combined integrated intelligent comprehensive law enforcement combat platform; using the above-mentioned hardware resources to achieve high integration and modularization to meet the needs of multi-person remote law enforcement is a problem that technical personnel in this field urgently need to solve. Summary of the invention

[0004] In view of this, the present invention provides a multifunctional combined mobile law enforcement method and device, which realizes high integration and modularization, meets the needs of multi-person remote law enforcement, reduces the execution cost of related law enforcement services, improves law enforcement efficiency, and solves the problem of law enforcement standardization. In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0005] A multifunctional combined mobile law enforcement method, comprising: a law enforcement terminal, a peripheral module, a display module, a signal transmission module and a fixed module;

[0006] Connecting the law enforcement terminal to the peripheral module signal through the signal transmission module;

[0007] The law enforcement terminal is fixedly connected to the peripheral module via the fixing module;

[0008] The data acquired by the peripheral module is transmitted to the law enforcement terminal through the signal transmission module, and the data is transmitted, stored, analyzed and judged by the law enforcement terminal, and displayed on the display module.

[0009] Optionally, the law enforcement terminal and the remote law enforcement monitoring platform communicate with each other through signals. The law enforcement terminal utilizes P2P communication technology to conduct cross-segment video / audio stream communications with the remote law enforcement monitoring platform. Real-time audio and video calls are conducted between the law enforcement terminal and the remote law enforcement monitoring platform. The remote law enforcement monitoring platform records the process and content of the current audio and video calls in real time and saves them to the remote law enforcement monitoring platform.

[0010] Optionally, the signal transmission module includes a USB interface, a data line interface, a backplane interface and a Bluetooth wireless module, and the USB interface, data line interface, backplane interface and Bluetooth wireless module are respectively connected to the law enforcement terminal signal.

[0011] Optionally, the peripheral modules include a communication module, a law enforcement recording module, an alcohol detection module, a printing module, an identity authentication module, an electronic license plate recognition module and a speed measurement module.

[0012] Optionally, the speed measurement module and the law enforcement recording module are respectively connected to the law enforcement terminal signal via a Bluetooth wireless module or a USB interface.

[0013] Optionally, the electronic license plate recognition module is connected to the law enforcement terminal signal via a Bluetooth wireless module or a USB interface.

[0014] Optionally, the communication module is connected to the law enforcement terminal via a USB interface.

[0015] Optionally, the identity authentication module, alcohol detection module and printing module are respectively connected to the backplane interface of the law enforcement terminal through the gold fingers on the modules, and the identity authentication module, alcohol detection module and printing module respectively transmit power and data with the law enforcement terminal through the backplane interface.

[0016] Optionally, the display module includes a first display screen and a second display screen, and the first display screen and the second display screen are respectively connected to the law enforcement terminal signal.

[0017] Optionally, the law enforcement terminal integrates an intelligent module, an operating system, 5G communication technology, a national secret security chip and an anti-disassembly design, and is used to receive and process peripheral module data. The law enforcement terminal communicates signals with the remote law enforcement monitoring platform and receives notification information pushed by the remote law enforcement monitoring platform.

[0018] Optionally, a multifunctional combined mobile law enforcement device comprises: a law enforcement terminal, a peripheral module, a display module, a signal transmission module and a fixing module;

[0019] The law enforcement terminal shell is provided with a signal transmission module, a display module and a fixing module. The law enforcement terminal is connected to the peripheral module by signal through the signal transmission module; the law enforcement terminal is connected to the display module by signal; and the fixing module fixes the law enforcement terminal to the peripheral module.

[0020] The fixing module includes a groove and a threaded hole, and the law enforcement terminal cooperates with the protrusion and movable bolts provided on the peripheral module through the groove and the threaded hole.

[0021] It can be seen from the above technical solutions that, compared with the prior art, the present invention discloses a multifunctional combined mobile law enforcement method and device, which has the following beneficial effects:

[0022] (1) The present invention proposes a multifunctional combined mobile law enforcement method and device, which uses a 5G mobile law enforcement terminal as a carrier, integrates modules such as digital intercom, on-duty law enforcement recorder, alcohol detection, printer, identity verification, etc., and can be connected to expansion equipment such as mobile speed measurement and electronic license plate recognition to form a modular integrated intelligent comprehensive law enforcement combat platform.

[0023] (2) The present invention realizes integrated, miniaturized, intelligent and multifunctional mobile law enforcement equipment, while also reducing the burden on front-line law enforcement officers, especially greatly reducing the procurement cost of equipment.

[0024] (3) Each module product in the present invention can be used independently in combination with a mobile law enforcement terminal, or can be used in combination according to different business scenarios. The functions of the independent products are not inferior to or better than the products with the same functions in the law enforcement industry. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0026] Figure 1 A schematic flow chart of a multifunctional combined mobile law enforcement method provided by the present invention.

[0027] Figure 2 A schematic diagram of the back structure of a multifunctional combined mobile law enforcement device provided by the present invention.

[0028] Figure 3 A schematic diagram of the front structure of a multifunctional combined mobile law enforcement device provided by the present invention.

[0029] Figure 4A schematic diagram of the structure of a terminal equipped with a printing module provided by the present invention.

[0030] Figure 5 A schematic diagram of the structure of a terminal equipped with an identity authentication module provided by the present invention.

[0031] Figure 6 A schematic diagram of the structure of a terminal equipped with an alcohol detection module provided by the present invention.

[0032] Figure 7 A circuit diagram of a mainboard of a law enforcement terminal provided by the present invention.

[0033] Figure 8 A USB interface circuit diagram of a law enforcement terminal provided by the present invention.

[0034] Fig. 9 A circuit diagram of a backplane interface of a law enforcement terminal provided by the present invention.

[0035] Fig.10 A circuit diagram of an identity recognition module provided by the present invention.

[0036] Fig.11 A circuit diagram of a connection end of an identity recognition module provided by the present invention.

[0037] Fig.12 A circuit diagram of a printing module provided by the present invention.

[0038] Fig.13 A structural circuit diagram of a printing module driver provided by the present invention.

[0039] Fig.14 A circuit diagram of a printing module FPC connector provided by the present invention.

[0040] Fig.15 A display module circuit diagram is provided by the utility model.

[0041] Among them, 1-law enforcement terminal, 2-USB interface, 3-data cable interface, 4-back panel interface, 5-threaded hole, 6-groove, 7-first display screen, 8-second display screen. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] The embodiment of the present invention discloses a multifunctional combined mobile law enforcement method, such as Figure 1 As shown, it includes: a law enforcement terminal 1, a peripheral module, a display module, a signal transmission module and a fixing module;

[0044] Connecting the law enforcement terminal 1 to the peripheral module signal through the signal transmission module;

[0045] The law enforcement terminal 1 is fixedly connected to the peripheral module via the fixing module;

[0046] The data acquired by the peripheral module is transmitted to the law enforcement terminal 1 through the signal transmission module, and the data is transmitted, stored, analyzed and judged by the law enforcement terminal 1, and displayed on the display module.

[0047] Furthermore, it includes: the law enforcement terminal 1 and the remote law enforcement monitoring platform communicate with each other through signals, the law enforcement terminal 1 uses P2P communication technology to conduct cross-segment video / audio stream communications with the remote law enforcement monitoring platform, and a real-time audio and video call is conducted with the law enforcement terminal 1 through the remote law enforcement monitoring platform, and the remote law enforcement monitoring platform records the process and content of the current audio and video call in real time and saves it to the remote law enforcement monitoring platform.

[0048] In a specific implementation, a remote video multi-person administrative law enforcement method includes: a system that uses P2P communication technology to conduct video / audio stream communications across network segments, logs in using a law enforcer account and selects online law enforcement supervisors who need assistance to conduct real-time audio and video calls, and the playback end can record the process and content of the current audio and video call in real time and save it to the playback end.

[0049] S1: Collection end (video source):

[0050] (1) Collecting video frame data from a video capture device and compressing and encoding it;

[0051] (2) The compressed and encoded video frame data is directly sent to the playback end through a P2P connection;

[0052] (3) Dynamically turn on and off video forwarding based on the number of simultaneously accessed playback terminals and the quality of video streaming;

[0053] (4) Collect, encode, decode and play audio, and conduct two-way audio communication with the playback end.

[0054] S2: Playback end:

[0055] (1) Obtain video stream from the acquisition end or video forwarding server through P2P connection;

[0056] (2) Eliminate jitter, decode, and play the received video stream;

[0057] (3) Collect, encode, decode and play audio, and conduct two-way audio communication with the collection end or other playback end;

[0058] (4) Record and save the content of two-way audio and video intercom.

[0059] S3: Video acquisition, playback, encoding and decoding:

[0060] (1) The component has built-in video capture and playback, based on Windows or Android operating systems, and built-in MJPEG, VP8, H264 and H265 software video codecs, based on Windows or Android operating systems;

[0061] (2) Supports video capture and encoding outside the component by registering a callback function. The application can capture video frame data outside the component, process and encode it, and then input it into the component. The component is responsible for transmitting it to the playback end. Supports video decoding and playback outside the component by registering a callback function. Supports outputting video data before decoding to the outside of the component or outputting video data after decoding to the outside of the component;

[0062] (3) Supports horizontal / vertical rotation of video images on mobile devices, supports scaling of images to adapt to the size of the interface window during video playback, and the Android system supports dynamic switching between the front / rear cameras.

[0063] S4: Audio acquisition, playback, encoding and decoding, and audio stream processing:

[0064] (1) Component encapsulation of audio acquisition and playback, based on Windows or Android operating systems;

[0065] (2) Component encapsulation PCM16, PCMA and AAC software audio codecs;

[0066] (3) Supports audio acquisition and encoding outside the component by registering a callback function. The application can collect audio data outside the component, process and encode it, and then input it into the live broadcast component. The component is responsible for transmitting it to the playback end. Supports audio decoding and playback outside the component by registering a callback function. Supports outputting audio data before decoding to the outside of the component or outputting audio data after decoding to the outside of the component;

[0067] (4)Support acoustic echo cancellation (AEC);

[0068] (5)Support silence detection and suppression;

[0069] (6)Support 11K, 22K, 44K, 8K, 16K and 32K audio sampling rate conversion.

[0070] S5: Data and File Transfer:

[0071] (1) Support bidirectional text data transparent transmission channel between the acquisition end and the playback end;

[0072] (2) Supports two-way file transfer between the capture end and the playback end.

[0073] Further, a multifunctional combined mobile law enforcement device, such as Figure 2 and Figure 3 As shown, it includes: a law enforcement terminal 1, a peripheral module, a display module, a signal transmission module and a fixing module;

[0074] The housing of the law enforcement terminal 1 is provided with a signal transmission module, a display module and a fixing module. The law enforcement terminal 1 is signal-connected to the peripheral module via the signal transmission module; the law enforcement terminal 1 is signal-connected to the display module; and the fixing module fixes the law enforcement terminal 1 to the peripheral module.

[0075] The fixing module includes a groove 6 and a threaded hole 5, and the law enforcement terminal 1 cooperates with the protrusion and movable bolts provided on the peripheral module through the groove 6 and the threaded hole 5.

[0076] Furthermore, the signal transmission module includes a USB interface 2, a data line interface 3, a backplane interface 4 and a Bluetooth wireless module, and the USB interface 2, the data line interface 3, the backplane interface 4 and the Bluetooth wireless module are respectively connected to the law enforcement terminal 1 by signal. Figure 7 As shown, it is a circuit diagram of a mainboard of a law enforcement terminal provided by the present invention.

[0077] Further, such as Fig.15 As shown, the display module includes a first display screen 7 and a second display screen 8, which are respectively connected to the law enforcement terminal 1 by signal. The screen is divided into a main screen, which is about 6 inches, and a sub-screen which is an ink screen. The main screen is used for operation, and the sub-screen can edit and display the law enforcement personnel's name, number, and department, and can receive notification information pushed by the background. Compared with the traditional on-duty law enforcement equipment, the mobile law enforcement terminal has the advantage of large-screen human-computer interaction, and has been greatly improved in terms of operation and use friendliness.

[0078] Furthermore, the peripheral modules include a communication module, a law enforcement recording module, an alcohol detection module, a printing module, an identity authentication module, an electronic license plate recognition module and a speed measurement module.

[0079] Furthermore, the speed measurement module and the law enforcement recording module are respectively connected to the law enforcement terminal 1 through a Bluetooth wireless module or a USB interface 2. Through the Bluetooth wireless module or the USB interface 2, an external mobile speed measurement device is connected to realize functions such as motor vehicle license plate recognition, speeding measurement, vehicle passing data entry and illegal capture. Figure 8 shown.

[0080] Furthermore, the communication module is connected to the law enforcement terminal 1 via the USB interface 2, and the communication module is a digital walkie-talkie.

[0081] The digital intercom and law enforcement recorder are integrated into an independent peripheral product. The communication module and the law enforcement recording module are connected to the law enforcement terminal 1 through a data cable. The connection can resist strong pulling, realizing functions such as digital intercom, law enforcement recording, motor vehicle license plate recognition, face recognition, strobe lights and flashlights.

[0082] Further, the electronic license plate recognition module is connected to the law enforcement terminal 1 through a Bluetooth wireless module or a USB interface 2. The electronic license plate recognition module is connected through a Bluetooth wireless module or a USB interface 2 to realize electronic license plate recognition.

[0083] Further, such as Figure 5 , Figure 6 and Figure 4 As shown, the identity authentication module, alcohol detection module and printing module are connected to the backplane interface 4 of the law enforcement terminal 1 through the gold fingers on the modules, and the identity authentication module, alcohol detection module and printing module are connected to the backplane interface 4 of the law enforcement terminal 1 through the backplane interface 4. Fig. 9 shown.

[0084] Printing module: connected to the law enforcement terminal 1 through the back panel interface 4, it can be easily disassembled by hand to achieve high-speed printing of law enforcement documents. ID card module: connected to the law enforcement terminal 1 through the back panel interface 4, it can be easily disassembled by hand to achieve the function of fast ID card verification. Alcohol detection module: connected to the law enforcement terminal 1 through the back panel interface 4, it can be easily disassembled by hand to achieve fast alcohol testing, measurement detection and printing.

[0085] Furthermore, the law enforcement terminal 1 integrates intelligent modules, operating systems, 5G communication technology, national security chips and anti-disassembly designs, and is used to receive and process data collected by peripheral modules. The law enforcement terminal 1 communicates signals with the remote law enforcement monitoring platform and receives notification information pushed by the remote law enforcement monitoring platform.

[0086] The law enforcement terminal 1 adopts intelligent modules, operating system, 5G communication technology, national secret security chip, and anti-dismantling design. It can automatically lock the system when it is disassembled manually to prevent data leakage and meet the basic functions of high main frequency 2.5G and above, high operating system, high CPU, high storage, high power, front and rear high-definition cameras, barcode reader and satellite positioning; the screen is divided into main screen and sub-screen, the main screen is used for operation, and the sub-screen can edit and display the name, number, and department of the law enforcement personnel, and can receive notification information pushed by the background; the back panel interface 4 and USB resources are reserved to meet the needs of external devices.

[0087] Furthermore, the remote law enforcement monitoring platform and the law enforcement terminal 1 communicate with each other by signals, and the law enforcement terminal 1 transmits the real-time image of the law enforcement recording module to the remote law enforcement monitoring platform through P2P communication technology.

[0088] In a specific embodiment, a multifunctional combined mobile law enforcement device, such as Figure 2 and Figure 3 As shown, it includes: a law enforcement terminal 1, a peripheral module, a display module, a signal transmission module and a fixing module;

[0089] The housing of the law enforcement terminal 1 is provided with a signal transmission module, a display module and a fixing module. The law enforcement terminal 1 is signal-connected to the peripheral module via the signal transmission module; the law enforcement terminal 1 is signal-connected to the display module; and the fixing module fixes the law enforcement terminal 1 to the peripheral module.

[0090] The fixing module includes a groove 6 and a threaded hole 5, and the law enforcement terminal 1 cooperates with the protrusion and movable bolts provided on the peripheral module through the groove 6 and the threaded hole 5.

[0091] In a specific implementation, a walkie-talkie law enforcement recorder includes: utilizing the existing operating system, public security network 1466 authentication, 5G, memory, storage, power supply and screen resources of the law enforcement terminal 1 to subtract from the traditional walkie-talkie law enforcement recorder, reduce the equipment burden of law enforcement and reduce the procurement cost including the recorder motherboard, communication fees and encryption cards.

[0092] (1) Digital intercom. Considering the complexity of the on-duty environment, a high-power speaker and array microphone with anti-noise function are selected to send and receive voice.

[0093] (2) Law enforcement recorder. The binocular camera and microphone with night mode can record the audio and video information of the parties. After entering the interrogation mode, the camera can automatically capture single or multiple faces and license plate numbers within a range of 5 meters.

[0094] (3) Intercom law enforcement recorder hardware interface. The interface of the intercom law enforcement recorder is firmly installed with the law enforcement terminal, which can ensure the normal function of the device even if there is a law enforcement conflict.

[0095] (4) Power supply and data interface for intercom law enforcement recorders. Intercom law enforcement recorders can be powered independently or powered and transmit data through the USB of a mobile law enforcement terminal.

[0096] (5) Appearance and buttons. The buttons include: power button, volume button, intercom button, and a function button.

[0097] (6) Operation. The mobile law enforcement terminal serves as an application platform. The APP and algorithm are integrated on the terminal. The intercom law enforcement recorder is called through the terminal, and the terminal is responsible for data transmission, storage, and analysis. Compared with the large-screen human-computer interaction advantage that traditional law enforcement recorders do not have, the mobile law enforcement terminal has been greatly improved in terms of operation and user friendliness.

[0098] (7) Application. A single person can perform on-duty work. During mobile law enforcement, the device can be used to intercom and record audio and video information. The device can also be switched to interrogation mode to conduct non-contact interrogation of personnel and vehicles. After the suspect and vehicle information returned by the public security network is found, on-site law enforcement can be carried out.

[0099] (8) Fix evidence. When law enforcement officers are enforcing the law on site, they can save the on-site video through the APP and synchronize the on-site law enforcement data with the data from the recorder.

[0100] (9) Multi-person remote law enforcement: The real-time images of the intercom law enforcement recorder are transmitted to the remote law enforcement monitoring platform through P2P communication technology to realize multi-person law enforcement.

[0101] In a specific implementation, a printer and an alcohol detection module include: utilizing the existing operating system, public security network 1466 authentication, 5G, memory, storage, screen and other resources of the law enforcement terminal to combine the printer and the alcohol detection module with the terminal into an independent product. Law enforcement can simultaneously achieve law enforcement and drunk driving investigation and punishment, reduce the equipment burden of law enforcement and reduce procurement costs including alcohol detectors, communication fees and encryption cards.

[0102] (1) Fuel cell alcohol detection module. Use general fuel cell technology and develop a printing and alcohol detection module in strict accordance with the requirements of the metrology law. The module must have physical elements such as a sensor larger than 16 mm, air intake and exhaust channels, gold fingers, and a special blowpipe. It must also meet functions and requirements including active, passive, quick check mode, automatic temperature correction, calibration, long-term drift, etc. The generated detection value can be used as evidence. The module is a detachable accessory of the main device of the mobile law enforcement terminal, and it is strictly prohibited to have a built-in operating system.

[0103] (2) Hardware interface. The printer and alcohol detection module are connected to the gold finger on the module through the backplane interface 4 reserved by the mobile law enforcement terminal host, so that the host can power the module and transmit data. Considering that the terminal is a wireless private network online device, data management requirements must be strictly guaranteed.

[0104] (3) Appearance. The printer and alcohol detection module can be easily disassembled from the law enforcement terminal by hand. The appearance design must take into account the consistency with the terminal and focus on the clearance control after product combination.

[0105] (4) Operation. The mobile law enforcement terminal serves as an application platform. The APP and algorithm are integrated on the terminal. The printer and alcohol detection module are called through the terminal, and the terminal is responsible for data transmission, storage, and analysis.

[0106] (5) Application. A single police officer can be used on duty or in special operations. During the law enforcement process, if a person suspected of drunk driving is found, he can be tested on the spot through the terminal; in special operations, the person involved in alcohol can be tested and used as punishment evidence to directly enter the law enforcement process and issue compulsory measures. This application can also be used in combination with other modules.

[0107] (6) Fixing evidence. Used in conjunction with the law enforcement recorder, the on-site law enforcement data and the recorder data are saved synchronously; the camera on the top of the law enforcement terminal can also be used to record the face image of the person when he exhales.

[0108] In a specific implementation, a mobile speed measurement module includes: connecting an existing mobile speed meter with a mobile law enforcement terminal to form a mobile checkpoint monitoring product, which serves as a supplement to similar fixed equipment, effectively reduces the large investment in fixed points, and uses the flexibility of mobile devices to give full play to the mobility of law enforcement.

[0109] (1) Interface docking. The mobile speed gun is connected to the mobile law enforcement terminal via USB. The mobile speed gun transmits the vehicle passing data to the law enforcement terminal, and the terminal uploads the data to the integrated command platform via the network. The uploaded data can be used as the basis for law enforcement.

[0110] (2) Application: Used in traffic police enforcement.

[0111] In a specific embodiment, Fig.10 , Fig.11 As shown, an identity recognition module includes an MCU, a Pogopin connector and an identity recognition circuit, wherein the MCU controls the identity recognition module to recognize identity card information. The identity recognition module is connected to the backplane interface 4 of the law enforcement terminal 1 through the Pogopin connector on the module, and the identity recognition module transmits power and data with the law enforcement terminal 1 through the backplane interface 4.

[0112] In a specific embodiment, Fig.12 , Fig.13 and Fig.14 As shown, a printing module includes a controller, a driving circuit and a driving circuit connector, wherein the controller is connected to the printer driving circuit through the driving circuit connector. The printing module is connected to the backplane interface 4 of the law enforcement terminal 1 through the gold finger on the module, and the printing module transmits power and data with the law enforcement terminal 1 through the backplane interface 4. The printing module is connected to the law enforcement terminal 1 through the backplane interface 4, and can be easily disassembled by hand to achieve high-speed printing of tickets.

[0113] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0114] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A multifunctional combined mobile law enforcement method, characterized in that: Applicable to a multifunctional combined mobile law enforcement device, the multifunctional combined mobile law enforcement device comprises: a law enforcement terminal (1), a peripheral module, a display module, a signal transmission module and a fixing module; Connecting the law enforcement terminal (1) to the peripheral module through the signal transmission module; The law enforcement terminal (1) is fixedly connected to the peripheral module via the fixing module; The data acquired by the peripheral module is transmitted to the law enforcement terminal (1) through the signal transmission module, and the data is transmitted, stored, analyzed and judged through the law enforcement terminal (1), and displayed on the display module; The law enforcement terminal (1) and the remote law enforcement monitoring platform communicate with each other by signal. The law enforcement terminal (1) uses P2P communication technology to communicate with the remote law enforcement monitoring platform through video / audio streams across network segments. The remote law enforcement monitoring platform and the law enforcement terminal (1) have real-time audio and video conversations. The remote law enforcement monitoring platform records the process and content of the current audio and video conversation in real time and saves them to the remote law enforcement monitoring platform. The peripheral modules include a communication module, a law enforcement recording module, an alcohol detection module, a printing module, an identity authentication module, an electronic license plate recognition module and a speed measurement module; The fixing module comprises a groove (6) and a threaded hole (5), and the law enforcement terminal (1) cooperates with a protrusion and a movable bolt provided on the peripheral module through the groove (6) and the threaded hole (5); The multifunctional combined mobile enforcement approach also includes: S1: Execute the following steps through the acquisition end: (1) Collecting video frame data from a video capture device and compressing and encoding it; (2) The compressed and encoded video frame data is directly sent to the playback end through a P2P connection; (3) Dynamically turn on and off video forwarding based on the number of simultaneously accessed playback terminals and the quality of video streaming; (4) Collect, encode, decode and play audio, and conduct two-way audio communication with the playback end; S2: Perform the following steps on the playback end: (1) Obtain video stream from the acquisition end or video forwarding server through P2P connection; (2) Eliminate jitter, decode, and play the received video stream; (3) Collect, encode, decode and play audio, and conduct two-way audio communication with the collection end or other playback end; (4) Record and save the content of two-way audio and video conversations; S3: Video acquisition, playback, encoding and decoding: (1) A multifunctional combined mobile law enforcement device with built-in acquisition and playback terminals. The device is based on Windows or Android operating systems and has built-in MJPEG, VP8, H264 and H265 software video codecs; (2) Supporting the implementation of video acquisition and encoding outside the multifunctional combined mobile law enforcement device by registering a callback function. The application can acquire video frame data outside the multifunctional combined mobile law enforcement device, and after preliminary processing and encoding, input the data into the multifunctional combined mobile law enforcement device. The multifunctional combined mobile law enforcement device is responsible for transmitting the data to the playback end. Supporting the implementation of video decoding and playback outside the multifunctional combined mobile law enforcement device by registering a callback function, supporting the output of video data before decoding to the outside of the multifunctional combined mobile law enforcement device or the output of video data after decoding to the outside of the multifunctional combined mobile law enforcement device; (3) Support horizontal / vertical rotation of video images on mobile devices, support scaling of images to adapt to the size of the interface window during video playback, and support dynamic switching between front / rear cameras on the Android system; S4: Audio acquisition, playback, encoding and decoding, and audio stream processing: (1) A multifunctional combined mobile law enforcement device with built-in acquisition and playback terminals, based on Windows or Android operating systems; (2) Multifunctional modular mobile law enforcement device with built-in PCM16, PCMA and AAC software audio codecs; (3) Supporting the method of registering a callback function to realize audio collection and encoding outside the multifunctional combined mobile law enforcement device. The application collects audio data outside the multifunctional combined mobile law enforcement device, processes and encodes it in advance, and then inputs it into the live broadcast multifunctional combined mobile law enforcement device. The multifunctional combined mobile law enforcement device is responsible for transmitting it to the playback end. Supporting the method of registering a callback function to realize audio decoding and playback outside the multifunctional combined mobile law enforcement device; supporting the output of audio data before decoding to the outside of the multifunctional combined mobile law enforcement device or the output of audio data after decoding to the outside of the multifunctional combined mobile law enforcement device; (4)Support acoustic echo cancellation (AEC); (5)Support silence detection and suppression; (6)Support 11K, 22K, 44K, 8K, 16K and 32K audio sampling rate conversion.

2. A multifunctional combined mobile law enforcement method according to claim 1, characterized in that: The signal transmission module comprises a USB interface (2), a data line interface (3), a backplane interface (4) and a Bluetooth wireless module, and the USB interface (2), the data line interface (3), the backplane interface (4) and the Bluetooth wireless module are respectively connected to the law enforcement terminal (1) by signal.

3. A multifunctional combined mobile law enforcement method according to claim 1, characterized in that: The speed measurement module and the law enforcement recording module are respectively connected to the law enforcement terminal (1) via a Bluetooth wireless module or a USB interface (2).

4. A multifunctional combined mobile law enforcement method according to claim 1, characterized in that: The electronic license plate recognition module is connected to the law enforcement terminal (1) via a Bluetooth wireless module or a USB interface (2); and the communication module is connected to the law enforcement terminal (1) via a USB interface (2).

5. A multifunctional combined mobile law enforcement method according to claim 1, characterized in that: The identity authentication module, alcohol detection module and printing module are respectively connected to the backplane interface (4) of the law enforcement terminal (1) via the gold fingers on the modules, and the identity authentication module, alcohol detection module and printing module respectively transmit power and data with the law enforcement terminal (1) via the backplane interface (4).

6. A multifunctional combined mobile law enforcement method according to claim 1, characterized in that: The display module comprises a first display screen (7) and a second display screen (8), and the first display screen (7) and the second display screen (8) are respectively connected to the law enforcement terminal (1) by signal.

7. A multifunctional combined mobile law enforcement method according to claim 1, characterized in that: The law enforcement terminal (1) integrates an intelligent module, an operating system, 5G communication technology, a national secret security chip and an anti-disassembly design, and is used to receive and process peripheral module data. The law enforcement terminal (1) communicates signals with the remote law enforcement monitoring platform and receives notification information pushed by the remote law enforcement monitoring platform.

8. A multifunctional combined mobile law enforcement device, characterized in that: include: Law enforcement terminal (1), peripheral module, display module, signal transmission module and fixing module; The housing of the law enforcement terminal (1) is provided with a signal transmission module, a display module and a fixing module. The law enforcement terminal (1) is connected to the peripheral module by signal through the signal transmission module; the law enforcement terminal (1) is connected to the display module by signal; the fixing module fixes the law enforcement terminal (1) to the peripheral module; The fixing module comprises a groove (6) and a threaded hole (5), and the law enforcement terminal (1) cooperates with a protrusion and a movable bolt provided on the peripheral module through the groove (6) and the threaded hole (5); The peripheral modules include a communication module, a law enforcement recording module, an alcohol detection module, a printing module, an identity authentication module, an electronic license plate recognition module and a speed measurement module; The multifunctional combined mobile law enforcement device also includes a collection terminal, which is used to: (1) Collecting video frame data from a video capture device and compressing and encoding it; (2) The compressed and encoded video frame data is directly sent to the playback end through a P2P connection; (3) Dynamically turn on and off video forwarding based on the number of simultaneously accessed playback terminals and the quality of video streaming; (4) Collect, encode, decode and play audio, and conduct two-way audio communication with the playback end; The multifunctional combined mobile law enforcement device also includes a playback terminal, which is used to: (1) Obtain video stream from the acquisition end or video forwarding server through P2P connection; (2) Eliminate jitter, decode, and play the received video stream; (3) Collect, encode, decode and play audio, and conduct two-way audio communication with the collection end or other playback end; (4) Record and save the content of two-way audio and video conversations; The multifunctional combined mobile law enforcement device collects, plays, and encodes and decodes videos through the following steps: (1) A multifunctional combined mobile law enforcement device with built-in acquisition and playback terminals. The device is based on Windows or Android operating systems and has built-in MJPEG, VP8, H264 and H265 software video codecs; (2) Supporting the implementation of video acquisition and encoding outside the multifunctional combined mobile law enforcement device by registering a callback function. The application can acquire video frame data outside the multifunctional combined mobile law enforcement device, and after preliminary processing and encoding, input the data into the multifunctional combined mobile law enforcement device. The multifunctional combined mobile law enforcement device is responsible for transmitting the data to the playback end. Supporting the implementation of video decoding and playback outside the multifunctional combined mobile law enforcement device by registering a callback function, supporting the output of video data before decoding to the outside of the multifunctional combined mobile law enforcement device or the output of video data after decoding to the outside of the multifunctional combined mobile law enforcement device; (3) Support horizontal / vertical rotation of video images on mobile devices, support scaling of images to adapt to the size of the interface window during video playback, and support dynamic switching between front / rear cameras on the Android system; The multifunctional combined mobile law enforcement device performs audio acquisition, playback, encoding and decoding, and audio stream processing through the following steps: (1) A multifunctional combined mobile law enforcement device with built-in acquisition and playback terminals, based on Windows or Android operating systems; (2) Multifunctional modular mobile law enforcement device with built-in PCM16, PCMA and AAC software audio codecs; (3) Supporting the method of registering a callback function to realize audio collection and encoding outside the multifunctional combined mobile law enforcement device. The application collects audio data outside the multifunctional combined mobile law enforcement device, processes and encodes it in advance, and then inputs it into the live broadcast multifunctional combined mobile law enforcement device. The multifunctional combined mobile law enforcement device is responsible for transmitting it to the playback end. Supporting the method of registering a callback function to realize audio decoding and playback outside the multifunctional combined mobile law enforcement device; Supporting the output of audio data before decoding to the outside of the multifunctional combined mobile law enforcement device or the output of audio data after decoding to the outside of the multifunctional combined mobile law enforcement device; (4)Support acoustic echo cancellation (AEC); (5)Support silence detection and suppression; (6)Support 11K, 22K, 44K, 8K, 16K and 32K audio sampling rate conversion.

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