Mobile network live broadcast vehicle system

Abstract

A mobile network live broadcast vehicle system belongs to the technical field of shopping guide live broadcast vehicles. Comprising a power supply system and a live broadcast system, the power supply system comprises an original vehicle storage battery and a first chassis generator, and further comprises a second chassis generator, a lithium battery pack, a two-in-one voltage-stabilized source, a light charging and inversion all-in-one machine and a charging pile converter, and the live broadcast system comprises a centralized control screen. The centralized control screen is connected with an energy domain controller module, a light charging and inversion all-in-one machine, a protocol gateway module, an off-line voice module, a relay module group and a light module. The energy domain controller module is connected with a two-in-one stabilized voltage supply, a light charging and inversion all-in-one machine, a lithium battery pack, a vehicle-mounted intelligent power amplifier, a light module, a protocol gateway module and an offline voice module. The system has the advantages that operation and maintenance supervision of live broadcast can be completed through fewer devices, and the problems of high wiring difficulty, inconvenience in building a live broadcast system and time and labor waste are solved; and the stability and reliability of equipment power supply are improved through a mode of integrating two kinds of power supply equipment.

Description

Technical Field

[0001] The present invention belongs to the technical field of shopping guide live broadcast vehicles, and specifically relates to a mobile network live broadcast vehicle system. Background Art

[0002] Live streaming leverages the advantages of the internet, using video to broadcast live online. This allows content such as product presentations, background introductions, solution evaluations, and interviews to be published online. Leveraging the internet's intuitive, fast, interactive, and geographically accessible features, it enhances the effectiveness of promotional activities. To adapt to the rapid growth of the live streaming industry, mobile live streaming vehicles, integrating communication base stations and live streaming studios, have emerged.

[0003] The live broadcast vehicle is equipped with a network live broadcast system to build a multi-dimensional live broadcast scene. The current solution is to deploy a director's desk on site, connect multiple cameras, work screens and other live broadcast equipment to the director's desk, and directly switch and edit video sources on the director's desk. Since each live broadcast device is connected to the director's desk through cables, the director's desk requires a lot of professional equipment and is expensive. In addition, completing on-site deployment in the narrow carriage environment is difficult to design and time-consuming and labor-intensive.

[0004] In order to maintain high-quality live broadcast effects, live broadcast vehicles must also have stable and reliable self-power supply capabilities when conducting live broadcast activities. That is, they must be able to ensure that the on-board live broadcast equipment can work continuously for a long time without external power supply. However, the current live broadcast vehicles cannot meet the demand. The live broadcast vehicles currently used are basically connected to 220V AC power on site or use portable generator sets to directly power the on-board equipment. The system stability and reliability cannot meet the working requirements of live broadcast-level professional equipment. Summary of the Invention

[0005] The purpose of the present invention is to provide a network live broadcast vehicle system with stable voltage output, long-term power supply and compact system structure.

[0006] The object of the present invention is achieved in this way. A mobile network live broadcast vehicle system includes a power supply system and a live broadcast system. The power supply system includes an original vehicle battery and a first chassis generator for powering the original vehicle battery. The power supply system also includes a second chassis generator, a lithium battery pack, a two-in-one voltage-stabilized power supply, a light-charging inverter and a charging pile converter. The second chassis generator is connected to the two-in-one voltage-stabilized power supply, the lithium battery pack is connected to the two-in-one voltage-stabilized power supply, the charging pile converter and the light-charging inverter. The light-charging inverter is connected to the mains. The live broadcast system includes a centralized control panel. The centralized control panel is connected to an energy domain controller module, a light-charging inverter, a protocol gateway module, an offline voice module, a relay module group and a lighting module. The energy domain controller module is connected to the two-in-one voltage-stabilized power supply, the light-charging inverter, the lithium battery pack, the on-board intelligent power amplifier, the lighting module, the protocol gateway module and the offline voice module. The protocol gateway module is connected to the director display screen and the director background work screen. The relay module group is connected to the anchor display screen and the offline voice module.

[0007] In a specific embodiment of the present invention, the live broadcast system also includes a live broadcast director all-in-one machine, which is connected to a live broadcast camera, a director display screen, a director desk work host, monitoring headphones, a wireless microphone receiver and a wireless image transmission receiver. The director desk work host is connected to an aggregation router, a director backend work screen, an anchor display screen and a vehicle-mounted intelligent power amplifier. The aggregation router has an external antenna, the vehicle-mounted intelligent power amplifier is connected to a vehicle-mounted speaker, the wireless microphone receiver is connected to multiple wireless microphones, the wireless image transmission receiver is connected to a wireless image transmission transmitter, and the wireless image transmission transmitter is connected to an optional camcorder.

[0008] In another specific embodiment of the present invention, the photovoltaic charging and inverter integrated machine is connected to the distribution box, and the distribution box supplies power to the live broadcast director integrated machine, director display screen, director background work screen, wireless image transmission receiver, live broadcast camera, anchor display screen and aggregation router; the two-in-one voltage-stabilized power supply supplies power to the energy domain controller module, centralized control screen, protocol gateway module, lighting module, and also supplies power to the vehicle-mounted intelligent power amplifier and offline voice module.

[0009] In another specific embodiment of the present invention, the relay module group is also connected to a projection screen and a green screen, and is used to control the raising, lowering and stopping of the projection screen and the green screen. The relay module group is also connected to multiple green screen lighting lamps and multiple fill lights; the distribution box supplies power to the projection screen, green screen, green screen lighting lamps and fill lights.

[0010] In another specific embodiment of the present invention, the energy domain controller module is also connected to a PM2.5 & CO2 sensor and a temperature and humidity sensor, and the PM2.5 & CO2 sensor and the temperature and humidity sensor are powered by the two-in-one regulated power supply.

[0011] In another specific embodiment of the present invention, the protocol gateway module is also connected to a DC air conditioner, and the DC air conditioner is powered by the lithium battery pack; the lithium battery pack can power an air fuel heater through a DC step-down converter.

[0012] In another specific embodiment of the present invention, it also includes an expansion mechanism for expanding the volume of the car compartment and a flip mechanism for forming a movable platform. The expansion mechanism and the flip mechanism are connected to the relay module group. The expansion mechanism is powered by the two-in-one regulated power supply, and the flip mechanism is powered by the original vehicle battery.

[0013] In a more specific embodiment of the present invention, the lighting module is used to control the on / off, brightness and color of the main lighting, live lighting, director lighting, door lighting and atmosphere lighting.

[0014] Due to the adoption of the above-mentioned structure, the present invention has the following beneficial effects compared with the prior art: the energy domain controller module, the centralized control screen, and the protocol gateway module are integrated to form a centralized control system of the live broadcast vehicle, and the centralized control system centrally controls the related live broadcast equipment, making the live broadcast system compact in structure, and the operation and maintenance supervision of the live broadcast can be completed with fewer devices, solving the problems of difficult wiring, inconvenient and time-consuming and labor-intensive construction of the live broadcast system, and realizing the intelligence, convenience and efficiency of live broadcast with goods; the power supply system has added a 48V generator and a 48V lithium battery on the basis of the original 12V generator, and the 48V lithium battery can also be charged by AC power and charging piles. The stability and reliability of the power supply of the equipment are improved by integrating the two power supply devices; while the distribution box draws power, a charging pile power supply method is added, which can directly input the AC and DC power of the charging pile of the new energy vehicle series into the vehicle to charge the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a control block diagram of the live broadcast system according to the present invention; Figure 2 This is a schematic diagram of the power supply of the second chassis generator and lithium battery pack according to the present invention; Figure 3 This is an electrical connection diagram of the director station described in the present invention; Figure 4 This is a schematic diagram of the power supply of the original vehicle battery described in the present invention. DETAILED DESCRIPTION

[0016] The specific embodiments of the present invention are described in detail below with reference to the accompanying drawings. However, the description of the embodiments does not limit the technical solutions. Any changes in form rather than substance based on the concept of the present invention should be considered as the scope of protection of the present invention.

[0017] In the following description, all concepts related to directionality (or orientation) such as up, down, left, right, front and back are with respect to the position state of the figure being described. The purpose is to facilitate public understanding, and therefore it cannot be understood as a special limitation on the technical solution provided by the present invention.

[0018] See also Figure 1 and Figure 2 The present invention relates to a mobile network live broadcast vehicle system, including a power supply system and a live broadcast system. The power supply system includes an original vehicle battery and a first chassis generator for supplying power to the original vehicle battery; the power supply system also includes a second chassis generator, a lithium battery pack, a two-in-one voltage-stabilized power supply, a photovoltaic charging inverter and a charging pile converter. The second chassis generator is connected to the two-in-one voltage-stabilized power supply, the lithium battery pack is connected to the two-in-one voltage-stabilized power supply, the charging pile converter and the photovoltaic charging inverter, and the photovoltaic charging inverter is connected to the mains. Due to the addition of a charging pile, this solution can be applied to new energy vehicles. The lithium battery pack, the charging pile converter and the photovoltaic charging inverter are arranged in the vehicle skirt box, and the two-in-one voltage-stabilized power supply is arranged under the co-pilot seat. The first and second chassis generators are arranged in the vehicle hood.

[0019] The live broadcast system includes a centralized control panel, to which is connected an energy domain controller module, a photovoltaic charging and inverter integrated unit, a protocol gateway module, an offline voice module, a relay module group, and a lighting module. The offline voice module enables voice control of the live broadcast system. In this embodiment, three groups of lighting modules are shown. One group of lighting modules controls the on / off, brightness, and color of the vehicle's main lighting and live broadcast lighting, as well as the on / off and brightness of the director lighting and rear door lighting. Another group of lighting modules controls the on / off, brightness, and color of the central control wall and cultural wall ambient lighting, as well as the on / off and brightness of a portion of the live broadcast area ambient lighting. Another group of lighting modules controls the on / off, brightness, and color of the director's desk ambient lighting, as well as the on / off and brightness of another portion of the live broadcast area ambient lighting, the floor platform, and the live broadcast desk ambient lighting. The energy domain controller module is connected to a two-in-one voltage-stabilized power supply, a photovoltaic charging and inverter integrated unit, a lithium battery pack, an onboard intelligent power amplifier, a lighting module, a protocol gateway module, an offline voice module, a PM2.5 and CO2 sensor, and a temperature and humidity sensor. The protocol gateway module is connected to the director's display screen, the director's backstage work screen and the DC air conditioner. The relay module group is connected to the anchor's display screen and the offline voice module. It is also connected to the projection screen and the green screen to control the raising, lowering and stopping of the projection screen and the green screen. The green screen is used for background matting to achieve a virtual live broadcast effect. The relay module group is also connected to the green screen lighting, fill light and flip door lighting. The relay module group has a 15-way terminal block structure. In this embodiment, the energy domain controller module, centralized control screen, lighting module and protocol gateway module are arranged at the right rear door of the vehicle. The offline voice module, PM2.5 & CO2 sensor and temperature and humidity sensor are located under the director's desk.

[0020] The centralized control panel preferably uses the VIP 7-inch control panel series. With a 7-inch full-touch LCD display as the control center, it integrates an energy domain controller module, relay control module, protocol gateway module, and other communication modules. This enables integrated system control and display functions for RVs and commercial vehicle conversions. It combines lighting control, device control, lithium battery display, solar display, inverter monitoring, air conditioning control, and other control and display functions into one integrated panel, virtually achieving full control from a single panel. This series of touchscreens features two CAN bus communication channels, two 285 communication channels, 24 load control outputs, and one CVBS video input. The software and control logic are customizable, and a USB 2.0 interface is supported for software updates, offering excellent scalability. The energy domain controller module coordinates the monitoring of the vehicle's equipment and also manages the energy system. Its functions include, but are not limited to, interaction between energy devices such as lithium batteries, inverters, chargers, solar power, and DC-DC converters, providing user convenience. As an IoT edge computing terminal, the energy domain controller module collects real-time operational and protection data from various energy system components via communication channels such as CAN and 485. It then integrates and analyzes this information to arrive at safe, efficient, and economical operational decisions. It automatically distributes these decisions to the various modules in the controlled energy system for coordinated control, while also communicating with the centralized control panel. By coordinating power control among various charging and discharging devices, the energy domain controller module prevents battery overcharging, ensures battery safety, reduces standby power losses, and improves overall energy system efficiency, thereby extending power usage. The protocol gateway module is a conversion module designed for integrated control of RVs and commercial modified vehicles. It features two CAN communication channels, four 485 communication channels, and two relay outputs. As a component of the vehicle's integrated control system, it converts the communication protocols of external modules that need to communicate with the vehicle system into the Standardized Vehicle Communication Protocol, enabling seamless communication throughout the vehicle.

[0021] The energy domain controller module, centralized control panel, lighting module, and protocol gateway module are integrated to form a centralized control system for the live broadcast vehicle. This system can control the operation of the vehicle's electrical equipment, collect and report the status information of the vehicle's electrical equipment, and centrally display the status information of the vehicle's electrical equipment. It also supports manual control of the vehicle's electrical equipment. Compared with the existing technology, this system can simplify the construction of the live broadcast system, simplify line connections, and reduce costs. In this embodiment, the energy domain controller module adopts FY-DCUY2.0, the centralized control panel adopts FY-VIP7-04, and the protocol gateway module adopts FY-PCU2.0.

[0022] See Figure 3The live broadcast system also includes a live broadcast director all-in-one machine, which is connected to a live broadcast camera, a director display screen, a director desk work host, monitoring headphones, a wireless microphone receiver and a wireless image transmission receiver. The director desk work host is connected to an aggregation router, a director background work screen, an anchor display screen and an on-board intelligent power amplifier. The aggregation router has an external antenna and can receive 4G and 5G signals. The on-board intelligent power amplifier is connected to the on-board speakers, the wireless microphone receiver is connected to multiple wireless microphones, the wireless image transmission receiver is connected to a wireless image transmission transmitter, and the wireless image transmission transmitter is connected to an optional camcorder. In this embodiment, the live broadcast director all-in-one machine is combined with a director display screen for director background operations; the wireless image transmission receiver and the wireless image transmission transmitter realize live broadcast outside the vehicle and receive signals inside the vehicle, and are used when broadcasting away from the vehicle. The director display screen adopts a desktop lifting work screen, and the director background work screen adopts a desktop flip work screen. The live broadcast director all-in-one machine, director display screen, director backstage work screen and monitoring headphones are located on the director's desk. The director's workstation host, wireless image transmission receiver and vehicle-mounted intelligent power amplifier are located below the director's desk. The vehicle-mounted speaker is located on the wall of the director's area. The live broadcast camera is located on the ceiling of the live broadcast room, and the anchor display screen is located at the forehead.

[0023] See you next time Figure 2 In this embodiment, the first chassis generator is a 12V generator, the second chassis generator adopts a DC56V 80A generator, the lithium battery pack adopts a DC48V 230AH, and the charging pile converter outputs 56V 75A. The photovoltaic inverter adopts DC48V 3600W. The two-in-one voltage-stabilized power supply adopts 60V / 48V5Kw&48V / 12V 1.2Kw. The photovoltaic inverter is connected to the distribution box, and the distribution box supplies power to the live broadcast director, director display, director background work screen, wireless image transmission receiver, live broadcast camera, anchor display, aggregation router, projection screen, green screen, green screen lighting and fill light; the two-in-one voltage-stabilized power supply supplies power to the energy domain controller module, centralized control screen, protocol gateway module, lighting module, and also supplies power to the vehicle-mounted intelligent power amplifier and offline voice module. The lithium battery pack is used to power the DC air conditioner and can also power the air-fuel heater through a DC step-down converter. The two-in-one regulated power supply is used to power the vehicle-mounted intelligent power amplifier, temperature and humidity sensor, PM2.5 & CO2 sensor, and offline voice module. It also powers the energy domain controller module, centralized control panel, lighting module, and protocol gateway module. Figure 4 The original vehicle battery is used to power the vehicle's sunroof lighting, position lights, video surveillance system, etc.

[0024] Furthermore, the live broadcast vehicle also includes an expansion mechanism for expanding the vehicle compartment volume and a flap mechanism for forming a movable platform. The expansion mechanism and the flap mechanism are connected to the relay module group. The expansion mechanism is powered by the two-in-one regulated power supply, and the flap mechanism is powered by the original vehicle battery.

[0025] The power supply system of the present invention adds a 48V generator and a 48V lithium battery on the basis of the original 12V generator. The 48V lithium battery can also be charged by mains electricity and a charging pile. The stability and reliability of the power supply of the equipment are improved by integrating the two power supply devices.

[0026] When live streaming is needed, the broadcaster simply turns on the power, logs in to the relevant live streaming platform account, and begins live streaming from within the vehicle. The broadcaster captures live images using the vehicle's live streaming camera, receives live audio via a wireless microphone, and displays the live content on the display screen. The director operates the live broadcast backend through the director's console display and the all-in-one live broadcast director. The network required for live streaming is provided by the vehicle's integrated router, and lighting is provided by various in-vehicle lighting and fill lights.

[0027] The present invention utilizes a scientific layout, as well as intelligent lighting, sound, and live broadcast systems, to provide a professional, convenient, and efficient live broadcast experience, thereby achieving the purpose of the invention.

Claims

1. A mobile network live broadcast vehicle system, comprising a power supply system and a live broadcast system, wherein the power supply system comprises an original vehicle battery and a first chassis generator for supplying power to the original vehicle battery, and is characterized in that: The power supply system also includes a second chassis generator, a lithium battery pack, a two-in-one voltage-stabilized power supply, a photovoltaic inverter and a charging pile converter. The second chassis generator is connected to the two-in-one voltage-stabilized power supply, the lithium battery pack is connected to the two-in-one voltage-stabilized power supply, the charging pile converter and the photovoltaic inverter. The photovoltaic inverter is connected to the mains. The live broadcast system includes a centralized control screen. The centralized control screen is connected with an energy domain controller module, a photovoltaic inverter, a protocol gateway module, an offline voice module, a relay module group and a lighting module. The energy domain controller module is connected to the two-in-one voltage-stabilized power supply, the photovoltaic inverter, the lithium battery pack, the vehicle-mounted intelligent power amplifier, the lighting module, the protocol gateway module and the offline voice module. The protocol gateway module is connected to the director's display screen and the director's background work screen. The relay module group is connected to the anchor's display screen and the offline voice module.

2. A mobile network live broadcast vehicle system according to claim 1, characterized in that: The live broadcast system also includes a live broadcast director all-in-one machine, which is connected to a live broadcast camera, a director display screen, a director desk work host, monitoring headphones, a wireless microphone receiver and a wireless image transmission receiver. The director desk work host is connected to an aggregation router, a director backstage work screen, an anchor display screen and a vehicle-mounted intelligent power amplifier. The aggregation router has an external antenna, the vehicle-mounted intelligent power amplifier is connected to a vehicle-mounted speaker, the wireless microphone receiver is connected to multiple wireless microphones, the wireless image transmission receiver is connected to a wireless image transmission transmitter, and the wireless image transmission transmitter is connected to an optional camcorder.

3. A mobile network live broadcast vehicle system according to claim 2, characterized in that: The photovoltaic charging and inverter integrated machine is connected to the distribution box, which supplies power to the live broadcast director integrated machine, director display screen, director background work screen, wireless image transmission receiver, live broadcast camera, anchor display screen and aggregation router; the two-in-one voltage-stabilized power supply supplies power to the energy domain controller module, centralized control screen, protocol gateway module, lighting module, and also supplies power to the vehicle-mounted intelligent power amplifier and offline voice module.

4. A mobile network live broadcast vehicle system according to claim 3, characterized in that: The relay module group is also connected to the projection screen and the green screen, and is used to control the raising, lowering and stopping of the projection screen and the green screen. The relay module group is also connected to multiple green screen lighting lamps and multiple fill lights; the distribution box supplies power to the projection screen, green screen, green screen lighting lamps and fill lights.

5. The mobile network live broadcast vehicle system according to claim 1, characterized in that: The energy domain controller module is also connected to the PM2.5 & CO2 sensor and the temperature and humidity sensor, and the PM2.5 & CO2 sensor and the temperature and humidity sensor are powered by the two-in-one regulated power supply.

6. The mobile network live broadcast vehicle system according to claim 1, characterized in that: The protocol gateway module is also connected to a DC air conditioner, which is powered by the lithium battery pack; the lithium battery pack can power an air fuel heater through a DC step-down converter.

7. The mobile network live broadcast vehicle system according to claim 1, characterized in that: It also includes an expansion mechanism for expanding the volume of the car compartment and a flip mechanism for forming a movable platform. The expansion mechanism and the flip mechanism are connected to the relay module group. The expansion mechanism is powered by the two-in-one regulated power supply, and the flip mechanism is powered by the original vehicle battery.

8. The mobile network live broadcast vehicle system according to claim 1, characterized in that: The lighting module is used to control the on / off, brightness and color of the main lighting, live lighting, director lighting, door lighting and atmosphere lighting.

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