Broadcast monitoring circuit and broadcast monitoring all-in-one machine

Abstract

The utility model discloses a broadcast monitoring circuit and a broadcast monitoring all-in-one machine. The broadcast monitoring circuit comprises a master control CPU, a power supply module, an FM / AM receiving and monitoring module, and a communication and positioning navigation module. Wherein the power supply module comprises an AC-DC conversion unit, a lithium battery and a power management unit; the FM / AM receiving and monitoring module comprises a plurality of FM / AM receiving chips and is used for sending the received stereo audio to the main control CPU for processing; the communication and positioning navigation module is used for sending a remote monitoring control signal to the main control CPU and sending the working state information of the broadcast monitoring circuit to a remote monitoring system; the positioning navigation module obtains positioning and clock information; and the gigabit exchange module is used for processing the communication data. The broadcast monitoring circuit adopts a modular design, each power signal is provided with an interface, and the broadcast monitoring circuit can be used after being configured through a connector or a direct wire according to needs, so that the cost is saved, and the resource utilization rate is improved.

Description

Technical Field

[0001] This utility model belongs to the field of broadcast data monitoring equipment, specifically relating to a broadcast monitoring circuit and an integrated broadcast monitoring machine. Background Technology

[0002] The integrated broadcast monitoring unit is mainly installed in television stations for technical monitoring and maintenance management of broadcast and television quality and cable broadcast and television monitoring networks; prevention of illegal signal interference and damage; emergency dispatch and technical handling for safe broadcasting during major events, important periods and holidays; and technical maintenance and management of the system's office network system.

[0003] Currently, all-in-one machines mainly use 1U or 3U chassis, with corresponding boards inserted according to different needs. These boards are generally designed to meet the maximum demand. However, for local county-level TV stations, the amount of data is relatively small, and using these all-in-one machines would result in a large amount of idle resources. Moreover, the configuration and operation during application are complicated. The initial investment cost of these all-in-one machines is high, which is a huge waste of resources. Therefore, there is an urgent need for a low-cost monitoring device suitable for local county-level TV and radio stations. Summary of the Invention

[0004] The technical problem to be solved by this utility model is to provide a broadcast monitoring circuit and a broadcast monitoring integrated machine, which solves the problem that the complex broadcast and television integrated machines in the prior art are not suitable for local county-level television stations.

[0005] To solve the above-mentioned technical problems, this utility model adopts the following technical solution:

[0006] A broadcast monitoring circuit includes a main control CPU, a power supply module, an FM / AM receiver monitoring module, and a communication and positioning navigation module; specifically:

[0007] The power supply module includes an AC-DC conversion unit, a lithium battery, and a power management unit. The AC-DC conversion unit converts external AC220V into multiple DC voltages to power the FM / AM receiver monitoring module, communication and positioning navigation module. The power management unit automatically controls the charging and discharging of the lithium battery and switches the power supply mode according to the status of the power supply module.

[0008] The FM / AM receiver monitoring module includes a multi-channel FM / AM receiver chip, which sends the received stereo audio to the main control CPU for processing.

[0009] The communication and positioning / navigation module transmits remote monitoring and control signals to the main control CPU and transmits the operating status information of the broadcast monitoring circuit to the remote monitoring system; the positioning / navigation module acquires positioning and clock information.

[0010] The gigabit switching module processes communication data.

[0011] The AC-DC conversion unit includes two AC / DC switching power supplies with dual power supply hot backup.

[0012] The FM / AM receiver monitoring module includes at least 8 receiver channels.

[0013] The communication and positioning navigation module includes a 4G module and a multi-mode satellite navigation and positioning chip.

[0014] It also includes a gigabit switching module connected to the main control CPU.

[0015] A broadcast monitoring integrated machine includes a housing, a power supply device and a broadcast monitoring circuit board installed inside the housing, and a control switch, a power interface, a signal interface and a display indicator interface installed on the front panel of the housing; the power supply device and the broadcast monitoring circuit board are fixedly installed on the bottom plate inside the housing; the control switch, the power interface, the signal interface and the display indicator interface are fixedly installed on the side panel of the housing; the power and signal of the broadcast monitoring circuit board are led out to the outside of the housing through corresponding interfaces.

[0016] It also includes a network adapter board, which has an interface for connecting to the broadcast monitoring circuit board and a network interface for connecting to an external network; the network interface is located on the side panel of the housing.

[0017] The power supply device includes two independently operating AC / DC switching power supplies and a lithium battery pack, wherein one AC / DC switching power supply is the current working power supply and the other AC / DC switching power supply is the backup power supply.

[0018] A hard drive is also fixedly installed inside the housing, and the data port of the hard drive is located on the side of the housing.

[0019] The housing is also equipped with a heat dissipation device, and the heat dissipation vents of the heat dissipation device are located on the bottom or side of the housing.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. This broadcast monitoring circuit is modularly designed, with corresponding interfaces for each power signal. When needed, it can be used directly after configuration via connectors or direct wiring.

[0022] 2. The power supply module is designed with a lithium battery charging and discharging management function. Under normal circumstances, a dedicated management chip charges the lithium battery at a constant current, automatically stopping when fully charged. In the event of an unexpected AC power outage, the device is powered by the lithium battery for more than 30 minutes. When the CPU detects that the lithium battery level is below 20%, it automatically cuts off the power supply to prevent over-discharge. When AC 220V power is restored, the device will automatically restart and switch back to normal operating status.

[0023] 3. The broadcast monitoring unit of this solution features an overall modular design and uses a dual power supply mechanism. Each power module is independent of the others. If any power supply fails, the other power module can immediately take over, ensuring the continuous and normal operation of the equipment.

[0024] 4. The broadcast monitoring unit has multi-channel FM / AM reception, demodulation, monitoring, encoding and recording functions, and has network management WEB service, which can be used to directly manage and operate the equipment through B / S mode.

[0025] 5. This all-in-one machine uses a mechanical hard drive for storage and a battery for emergency power supply. It also integrates the system, which originally required three separate boards for main control, monitoring, and transcoding, into one board, greatly saving costs and improving resource utilization. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the circuit structure of this utility model.

[0027] Figure 2 This is a schematic diagram of the circuit connection of the power supply module of this utility model.

[0028] Figure 3 This is a schematic diagram of the circuit connection of the FM / AM receiver module of this utility model.

[0029] Figure 4 This is a schematic diagram of the front panel structure of the all-in-one machine of this utility model.

[0030] Figure 5 This is a schematic diagram of the rear panel structure of the all-in-one machine of this utility model. Detailed Implementation

[0031] The structure and working process of this utility model will be further described below with reference to the accompanying drawings.

[0032] A broadcast monitoring circuit includes a CPU, a power supply module, an FM / AM receiver monitoring module, and a communication and positioning navigation module; specifically:

[0033] The power supply module includes an AC-DC conversion unit and a power management unit. The AC-DC conversion unit converts external AC220V into multiple DC voltages to power the FM / AM receiver monitoring module, communication and positioning navigation module, and gigabit switching module. The power management unit automatically controls the charging and discharging of the lithium battery and switches the power supply mode according to the status of the power supply module.

[0034] The FM / AM receiver monitoring module contains multiple FM / AM receiver chips, which send the received stereo audio to the CPU for processing.

[0035] The communication and positioning / navigation module transmits remote monitoring and control signals to the CPU and transmits the operating status information of the broadcast monitoring circuit to the remote monitoring system; the positioning / navigation module acquires positioning and clock information.

[0036] The gigabit switching module processes communication data.

[0037] Specific embodiments, such as Figures 1 to 3 As shown,

[0038] A broadcast monitoring circuit includes a CPU, a power supply module, an FM / AM receiver monitoring module, a communication and positioning navigation module, and a gigabit switching module; specifically:

[0039] The power supply module includes an AC-DC conversion unit and a power management unit. In this embodiment, the AC-DC conversion unit includes two AC / DC switching power supplies with dual power supply hot backup to ensure reliable operation of the equipment. The AC / DC switching power supplies convert external AC220V into multiple DC voltages to power the FM / AM receiver monitoring module, communication and positioning navigation module, and gigabit switching module. The battery management unit automatically controls the charging and discharging of the lithium battery and switches the power supply mode according to the status of the power supply module.

[0040] The power supply module also includes a lithium battery charging and discharging management function. Under normal circumstances, a dedicated management chip provides constant current charging to the lithium battery, automatically stopping when fully charged. In the event of an unexpected AC power outage, the device is powered by the lithium battery for more than 30 minutes. When the CPU detects that the lithium battery level is below 20%, it automatically cuts off the power supply to prevent over-discharge. When AC 220V power is restored, the device will automatically restart and switch back to normal operating mode.

[0041] In this embodiment, the specific circuit of the power supply module is shown in the figure. It includes two AC220V / DC 24V switching power supplies. The two switching power supplies are isolated and can work independently. The power output terminal is connected to the charging management chip, which controls the charging and discharging of the lithium battery pack. The 24V output of the switching power supply is stepped down to 12V and 5V by the DC / DC module to meet the power supply requirements of different modules.

[0042] In this embodiment, the FM / AM receiver monitoring module includes a multi-channel FM / AM receiver chip, which sends the received stereo audio to the CPU for processing;

[0043] The communication and positioning / navigation module transmits remote monitoring and control signals to the CPU and transmits the operating status information of the broadcast monitoring circuit to the remote monitoring system; the positioning / navigation module acquires positioning and clock information.

[0044] When the wired network fails, the 4G network can be activated for remote monitoring. The BD module (i.e., positioning and navigation module) can obtain the device's precise location and accurate clock information.

[0045] The gigabit switching module processes communication data.

[0046] A broadcast monitoring integrated machine includes a housing, a power supply device and a broadcast monitoring circuit board installed inside the housing, and a control switch, a power interface, a signal interface and a display indicator interface installed on the front panel of the housing; the power supply device and the broadcast monitoring circuit board are fixedly installed on the bottom plate inside the housing; the control switch, the power interface, the signal interface and the display indicator interface are all fixedly installed on the side panel of the housing, and the parts that are electrically connected to each other are connected by wires or connectors.

[0047] Specific embodiments, such as Figure 4 , Figure 5 As shown,

[0048] A broadcast monitoring integrated machine includes a housing, a power supply device and a broadcast monitoring circuit board disposed within the housing, and a control switch, a power interface, a signal interface and a display indicator interface disposed on the front panel; wherein the display indicator interface is disposed on the front panel, and the control switch, power interface and signal interface are disposed on the rear panel.

[0049] The power supply device and broadcast monitoring circuit board are fixedly installed on the bottom plate inside the housing; the control switch, power interface, signal interface, and display indicator interface are fixedly installed on the side plate of the housing; those that are electrically connected to each other are connected by wires or connectors.

[0050] This embodiment also includes a separate network adapter board, which has an interface for connecting to the broadcast monitoring circuit board and a network interface for connecting to an external network; the network interface is located on the side panel of the housing; in application, first connect the interfaces on the separate network adapter board and the broadcast monitoring circuit board, and then align one end of the network interface with the opening on the side panel.

[0051] In this embodiment, to further illustrate the solution in detail, the selection of the main components of each module of the integrated broadcast monitoring device is illustrated below:

[0052] 1. Power Supply Module: Dual high-performance AC / DC switching power supplies with hot backup ensure reliable equipment operation. The main features of this AC / DC switching power supply are as follows:

[0053] Input voltage range: 85-264VAC / 120-370VDC;

[0054] 4000VAC high isolation voltage;

[0055] Suitable for applications at an altitude of 5000m;

[0056] Extremely low leakage current <0.1mA;

[0057] No-load power consumption: 0.5W Typ;

[0058] The substrate is coated with conformal coating;

[0059] Output short circuit, overcurrent, overvoltage, and overtemperature protection;

[0060] The product has high safety, good EMC performance, and safety specifications meet standards such as IEC / EN / UL62368, GB4943, IEC / EN60335, IEC / EN61558, and IEC / EN / ES60601.

[0061] The power supply module also includes a lithium battery charging and discharging management function. Under normal circumstances, a dedicated management chip provides constant current charging to the lithium battery, automatically stopping when fully charged. In the event of an unexpected AC power outage, the device is powered by the lithium battery for more than 30 minutes. If the CPU detects that the lithium battery level is below 20%, it automatically cuts off the power supply to prevent over-discharge. When AC 220V power is restored, the device will automatically restart and switch back to normal operating mode.

[0062] 2. FM / AM Receiver Module: An 8-channel FM / AM receiver chip was designed, using 8 Skyworks high-performance FM / AM receiver demodulation chips. The chip receives and outputs 8 channels of stereo audio, which are then connected to the CPU for processing via the I2S interface.

[0063] The main specifications of the FM / AM receiver demodulation chip are as follows:

[0064] Frequency: 153kHz~279kHz, 520kHz~1.71MHz, 2.3MHz~26.1MHz, 64MHz~108MHz;

[0065] Reception standards: AM, FM, LW-SW, WB;

[0066] Operating voltage: 2V~5.5V;

[0067] Operating temperature: -20℃~85℃;

[0068] Package / Case: 24-SSOP.

[0069] The 8-channel FM / AM receiver chip has open-circuit reception, demodulation, monitoring, encoding and recording functions for 8 channels of FM / AM broadcast signals (FM and AM broadcast share the same tuning interface); as well as corresponding 8-channel RF input interface, BNC, and equipped with 8 AM broadcast receiving antennas;

[0070] Supported receiving frequency range: FM 76MHz-108MHz, AM 526.5kHz-1606.5kHz;

[0071] It is capable of monitoring and recording indicators such as carrier level, signal-to-noise ratio, modulation amplitude, and audio level of amplitude modulation broadcast signals at a specified frequency; and monitoring and recording indicators such as carrier level, signal-to-noise ratio, modulation index, and left and right channel levels of frequency modulation broadcast signals at a specified frequency.

[0072] 3. Communication and Positioning Navigation Module: This embodiment selects 4G and BD modules. In case of wired network failure, remote monitoring can be initiated via the 4G network. The BD module can obtain precise device positioning and accurate clock data.

[0073] The 4G network module selected is the Quectel EC800 module. The EC800E is an LTE Cat 1 wireless communication module designed by Quectel specifically for M2M and IoT fields, supporting a maximum downlink rate of 10Mbps and a maximum uplink rate of 5Mbps, with an ultra-small package.

[0074] The EC800E-CN utilizes laser engraving technology, which offers a superior appearance, a strong metallic feel, excellent heat dissipation, and makes the information difficult to erase, while also being more suitable for automation needs. The EC800E-CN incorporates a rich set of network protocols, integrates multiple industry-standard interfaces, and supports various drivers and software functions (such as USB virtual serial port drivers under Windows 7* / 8* / 8.1* / 10 / 11, Linux, Android, and other operating systems), greatly expanding its application scope in the M2M and IoT fields.

[0075] The BD / GPS module uses the ATGM332D-5N module. This series of modules are all based on the AT6558, a fourth-generation low-power GNSS SOC single chip from Zhongke Microelectronics. It supports multiple satellite navigation systems, including China's BDS (BeiDou Navigation Satellite System), the US GPS, Russia's GLONASS, the EU's GALILEO, Japan's QZSS, and satellite augmentation systems SBAS (WAAS, EGNOS, GAGAN, MSAS).

[0076] The AT6558 is a true six-in-one multi-mode satellite navigation and positioning chip, containing 32 tracking channels. It can simultaneously receive GNSS signals from six satellite navigation systems, enabling joint positioning, navigation, and timing. The ATGM332D-5N series modules offer advantages such as high sensitivity, low power consumption, and low cost.

[0077] 4. Gigabit Switching Module: The core chip of the gigabit switching module is an 8-port gigabit switch chip manufactured by REALTEK. The main specifications of the chip are as follows:

[0078] It is a high-performance 8-port Gigabit Ethernet switch. It supports low-power integrated 8-port Gigabit-PHYs for 1000Base-T, 100Base-T, and 10Base-T. Internally, it integrates packet-buffered SRAM, a non-blocking switching architecture, and internal register management into a single CMOS device. It requires only a 25MHz crystal; an optional EEPROM is provided for internal register configuration. The embedded packet storage SRAM features memory management technology for efficient memory utilization. The switch integrates a 2K-input lookup table and a 4-way XOR hash algorithm for address lookup and learning.

[0079] 5. Display and Indication Module: The front panel of the equipment has a display screen, status indicator lights, and operation buttons or knobs. It can set equipment communication information and display basic operating status information of the equipment.

[0080] To further satisfy the data storage function, a hard drive with a capacity of no less than 6TB is fixedly installed inside the housing. The data port of the hard drive is located on the side of the housing and is used for local data and media file storage.

[0081] Record and store signal reception failure events, including but not limited to failure content, failure start time and failure end time, etc. The number of events stored shall not be less than 100,000, and the oldest stored data can be automatically overwritten when the storage limit is reached.

[0082] It has operation and operation log recording functions, which can record information such as device operation records, device operating status, and device communication status with the communication platform, which can be viewed through the device's web interface;

[0083] The equipment stores monitoring indicator data locally for a period of no less than 60 days; it can also upload data for a specified time period to the management platform for data synchronization according to instructions from the management platform.

[0084] To further enhance the heat dissipation function during equipment operation, a heat dissipation device is also installed inside the housing, with its heat dissipation vents located on the bottom or side of the housing. In this embodiment, both the front and rear panels are provided with several evenly arranged heat dissipation holes to facilitate heat dissipation from the interior of the housing.

[0085] This equipment has interfaces for data exchange with the radio and television wireless transmitter station operation support management system, the local program alarm system, and the monitoring web front-end system. It supports the use of medium wave open-circuit receiver tuners on the above platforms to achieve functions such as equipment operation management, broadcast signal broadcast effect monitoring, alarm display and query, real-time monitoring of broadcast programs, and retrieval of audio and video recording files.

[0086] It should be noted that the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" in the specification, claims, and accompanying drawings of this application, indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings. These terms are mainly for better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0087] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0088] Furthermore, the terms "installation," "setup," "equipped with," "connection," "linking," and "socketing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0089] The circuits, electronic components, and modules involved are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this application does not involve any improvement to the software and methods.

[0090] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

[0091] This application aims to protect the integrated broadcast monitoring device and its circuit connection relationship. The host computer control software and other related technologies are all existing technologies that can be fully implemented by those skilled in the art, so there is no need to elaborate. The content protected by this application does not involve any improvement to the software and methods.

[0092] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A broadcast monitoring circuit and broadcast monitoring all-in-one machine, characterized in that: The shell, the power supply device and the broadcast monitoring circuit board card arranged in the shell, the control switch, the power interface, the signal interface and the display interface arranged on the panel of the shell are included. The power supply device and the broadcast monitoring circuit board card are fixedly installed on the inner bottom plate of the shell, and the control switch, the power interface, the signal interface and the display interface are fixedly installed on the side panel of the shell. The power supply and the signal on the broadcast monitoring circuit board card are led out to the outside of the shell through corresponding interfaces. The broadcast monitoring circuit includes a main control CPU, a power supply module, an FM / AM receiving monitoring module and a communication and positioning navigation module. The power supply module includes an AC-DC conversion unit, a lithium battery and a power management unit. The AC-DC conversion unit selects two high-performance AC / DC switching power supplies to convert external AC 220V into multiple DC voltages to supply power to the FM / AM receiving monitoring module and the communication and positioning navigation module. The FM / AM receiving monitoring module includes eight FM / AM receiving chips.

2. The broadcast monitoring circuit and broadcast monitoring all-in-one machine according to claim 1, characterized in that: The communication and positioning navigation module selects a 4G and BD module to send remote monitoring control signals to the main control CPU and send the working state information of the broadcast monitoring circuit to the remote monitoring system.

3. The broadcast monitoring circuit and broadcast monitoring all-in-one machine of claim 1, wherein: The positioning navigation module obtains positioning and clock information.

4. The broadcast monitoring circuit and broadcast monitoring all-in-one machine of claim 1, wherein: The AC-DC conversion unit includes two AC / DC switching power supplies with dual power supply hot backup.

5. The broadcast monitoring circuit and broadcast monitoring all-in-one machine according to claim 1, characterized in that: The network adapter card is further included.

6. The broadcast monitoring circuit and broadcast monitoring all-in-one machine according to claim 1, characterized in that: The network adapter card is provided with an interface connected with the broadcast monitoring circuit board card and a network interface connected with an external network. The network interface is arranged on the side panel of the shell. The power supply device includes two independently working AC / DC switching power supplies and a lithium battery pack. The shell is further provided with a hard disk. The shell is further provided with a heat dissipation device. The heat dissipation port of the heat dissipation device is arranged on the bottom or side of the shell.

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