WO2019153159A1 - Wireless charging device and separate high-definition webcam - Google Patents

Abstract

A wireless charging device and a separate high-definition webcam. The wireless charging device comprises a transmitting end and a receiving end. The transmitting end comprises multiple infrared lamps (1). The receiving end comprises a photovoltaic panel (2) and a power output interface. Infrared light beams emitted by the infrared lamps are converged toward the photovoltaic panel. After conversion of light energy into electric power by the photovoltaic panel, the electric power is outputted from the power output interface. The charging device provides adequate light to the photovoltaic panel to supply power. Moreover, the light beams emitted by the infrared lamps are invisible and thus do not affect indoor lighting and daily life and present no radiation hazard. The separate high-definition webcam comprises a front end portion and a rear end portion. The wireless charging device realizes power supply from the front end portion. The webcam supports quick wake-up and does not need to be charged except in frequent-use circumstances. The invention realizes charge-free operation and wireless charging for a network-connected front camera on standby<u>,</u> and meets the requirement of a large bandwidth for high-definition audio/video communication, thereby improving user experience.

Description

Wireless charging device and a split type HD network camera Technical field

The invention relates to the field of networked monitoring, in particular to a wireless charging device and a split type high-definition network camera.

Background technique

The traditional network camera adopts integrated design and consumes a lot of power, generally above 5W. If it is continuously online, it needs to have DC power supply online. In many occasions, such as household environment, the wiring and cable wiring will affect the decoration effect during installation. , often give up the configuration; while the battery-powered standby time is short, the battery needs to be replaced frequently, the utility is poor, and finally the use is often abandoned.

The traditional wireless network camera often adopts an integrated design. When the energy-saving sleep restarts, the startup speed is slow, and generally takes about 15 seconds. If the sleep startup mode is adopted, the customer experience is poor.

Some cameras use a front-end alarm to activate, although they can support long-term standby, but can not support the needs of customers remote network startup.

Summary of the invention

The object of the present invention is to provide a split-type high-definition network camera that supports wireless remote power network startup, wireless power supply, quick start, and wireless high-definition audio and video transmission under the premise of supporting customer remote network startup.

The object of the present invention is achieved by the following technical solutions: a wireless charging device comprising a transmitting end and a receiving end, the transmitting end comprising a plurality of infrared lamps, the infrared lamps being connected to an external power source; the receiving end comprising a photovoltaic panel and The power output interface, the infrared light emitted by the infrared light is concentrated to the photovoltaic panel, and the photovoltaic panel converts the light energy into electrical energy, and then outputs the output through the power output interface.

Further, the infrared light emitted by the infrared lamp is concentrated by the concentrating element and concentrated to the photovoltaic panel.

Further, the concentrating element is a concentrating lens, and a front end of each infrared lamp is condensed by a collecting lens.

Further, it also includes visible light direct light beads, which are controlled independently of the infrared light for light calibration.

A split type high definition network camera includes a front end portion and a rear end portion, wherein the front end portion is powered by a wireless charging device; the front end portion includes a first wireless module, a Wi-fi module, a quick start low power network camera module, and a battery The module, the battery module is connected to the output of the wireless charging device, the first wireless module, the Wi-fi module, the quick-start low-power network camera module are powered by the battery module; the second part is the second wireless module, the programmable Wi-fi The module (built-in wired network interface) is composed, and the back end part is powered online.

The programmable Wifi module acquires a server instruction, where the instruction includes starting and standby, and the acquired instruction is broadcasted in real time by the second wireless module; the first wireless module is powered by the battery module, adopts a normal sleep, a timed wake mode, and starts to acquire a second time. The wireless module broadcasts instructions; the front end portion is in the low power standby state except for the first wireless module, the Wi-fi module is in the deep sleep mode, and the deep sleep mode, the Wi-fi module consumes 190 microamps (uA, below) Same), the wake-up time is 300 milliseconds (mS, the same below); the fast-start low-power network camera module is in standby state, the wake-up time is 200mS, and the standby power consumption is 2mA.

After receiving the start signal, the first wireless module of the current end part wakes up the low power network camera module and the first Wifi module, and the low power network camera module collects audio and video information, generates a compressed code stream, and passes the first Wi-fi The module is sent to the back end, and the programmable Wi-fi module obtains the audio and video code stream and uploads it to the network.

After the first wireless module of the current end portion receives the standby signal, the first wireless module instructs the first Wi-fi module to enter the deep sleep mode and the network camera module standby mode; or the Wi-fi module and the network camera module may also be changed to be powered off. It is more energy efficient, but the startup time is extended by 2-3 seconds.

Further, the first wireless module and the second wireless module are both Bluetooth modules, or all Zigbee modules, or NB-IoT modules or other wireless communication modules that adopt normal sleep and timed wake-up functions.

Further, the front end portion further includes a battery power monitoring module, the battery power monitoring module executes a power quantity monitoring instruction from the server, monitors the battery power, and the battery power returns to the server through the first wireless module, the second wireless module, or through the Wi-fi module. The programmable Wi-fi module returns to the server to support battery management functions.

The beneficial effects of the invention are:

1. Split-type design, consisting of front-end and back-end splitting; front-end wireless power supply, signaling and data transmission respectively use their own wireless channels, thus connecting wireless and back-end, realizing the front-end camera without network cable, no wires "Full wireless" configuration; improved customer experience.

2. The front-end achieves ultra-low power consumption, wireless power supply, and small photovoltaic panels under the premise of supporting back-end networking startup. The front and back ends are connected by dual wireless communication. When the front end is in standby, the Bluetooth is responsible for the low-power sleep state. The timing (<2 seconds) wakes up to obtain the back-end start signal. The front-end part uses battery + infrared remote photovoltaic power supply, and the front end is in standby mode. Support ultra-low power consumption (<400 microwatts, 3.2V voltage) while maintaining high-frequency communication (<2 seconds) with the back end, equipped with several 18650 batteries for battery buffering and wireless power supply; thus solving the front-end support Wireless power supply under the premise of quick start, which improves the customer experience.

3, support high-definition audio and video, the invention uses 叁 wireless design, in the case of taking into account the ultra-low power standby of the network, the front-end audio and video code stream is compressed by the Wi-Fi in the startup state, and the ultra-high definition audio and video is supported. The bandwidth requirement for the transmission of the code stream.

4, low power sleep fast start, start faster. The front end uses a small linux system, the startup time is only 2-3 seconds, nearly five times faster than the traditional integrated camera startup time (about 15 seconds), which shortens the customer network waiting time and improves the customer experience.

DRAWINGS

1 is a schematic diagram of a wireless charging device of the present invention;

2 is an implementation manner of a wireless charging device of the present invention;

3 is a schematic diagram of a split type HD network camera;

In the figure, 1 is an infrared lamp, 2 is a photovoltaic panel, 3 is a concentrating original, and 4 is visible light.

Detailed ways

As shown in FIG. 1, a wireless charging device includes a transmitting end and a receiving end. The transmitting end includes a plurality of infrared lamps 1 connected to an external power source. The receiving end includes a photovoltaic panel 2 and a power output interface. The infrared light emitted by the infrared lamp 1 and the infrared light are concentrated to the photovoltaic panel, and the photovoltaic panel 2 converts the light energy into electrical energy, and then outputs the output through the power output interface. The infrared lamp illuminates the photovoltaic panel, which not only supplies sufficient illumination for the photovoltaic panel, but also because it is an infrared lamp, which is invisible, does not affect the indoor light environment and living, and has no radiation effect.

The convergence of the infrared light can be achieved by collecting light by a concentrating device, which can be a concentrating element disposed at the front end of the single infrared lamp, together forming an infrared spotlight; or in the form shown in FIG.

In addition, a bundle of visible light 4 can be arranged on the concentrating element in the figure, and the switch is supported. When the focus is on, the visible light 4 is turned on, and when the light is incident on the middle of the photovoltaic panel, the focusing is completed, and the visible light beam is turned off to avoid affecting the living.

As shown in FIG. 3, a split type high definition network camera includes a front end portion and a rear end portion, and the front end portion is powered by a wireless charging device; the front end portion includes a first wireless module, a Wi-fi module, and a quick start low power The network camera module and the battery module are used, and the battery module is connected to the output end of the wireless charging device, the first wireless module, the Wi-fi module, and the fast-start low-power network camera module (working power ≤ 1 watt, equal machine power consumption ≤ 2 mA; standby start ≤ 2 milliseconds, cold start ≤ 2 seconds) powered by the battery module; the rear part is powered by the second wireless module, programmable Wi-fi module, and the back end part.

The programmable Wifi module obtains a server instruction, where the instruction includes starting and standby, and the acquired instruction is broadcasted in real time by the second wireless module; the first wireless module is powered by the battery module, adopts a normal sleep, a timed wake mode, and a timing start to obtain the second The wireless module broadcasts the command; the front end portion is in the standby state except the first wireless module, the front end portion is in the low power standby state except the first wireless module, the Wi-fi module is in the deep sleep mode, and the deep sleep mode, Wi -fi module power consumption 190 microamps (uA, the same below), wake-up time 300 milliseconds (mS, the same below); fast start low-power network camera module in standby state, wake-up time 200mS, standby power consumption 2mA;

After receiving the startup signal, the first wireless module of the current end portion quickly wakes up the low-power network camera module and wakes up the first Wifi module, and the low-power network camera module collects audio and video information, generates a compressed code stream, and passes the first Wi The -fi module is sent to the back end, and the programmable Wi-fi module obtains the audio and video code stream and uploads it to the network.

After the first wireless module of the current end portion receives the standby signal, the first wireless module instructs the Wi-fi module to enter the deep sleep mode, and the low-power network camera enters the standby mode. Or the Wi-fi module and the network camera module can be changed to shutdown, which is more energy efficient, but the startup time is extended by 2-3 seconds.

The first wireless module and the second wireless module are both Bluetooth modules, or all Zigbee modules, or NB-IoT modules or other wireless communication modules that use normal sleep and timed wake-up functions.

The invention is further illustrated by the following examples.

Example 1

In this embodiment, the front end quickly starts the low power network camera module, adopts the Huawei HiSili 3518e-v200, and is powered by the battery; the first wireless module adopts the CC2541 Bluetooth module of Texas Instruments, and the Wifi module adopts the CC3200 module of Texas Instruments. The battery adopts 18650 fifth battery in parallel for 4 sections, and supplies power to the Bluetooth module through the linear regulator LDO. According to the start and standby commands of the received broadcast packet, the front-end Bluetooth module outputs commands to control the work of the front-end Wi-fi and low-power network camera. status.

The back end is selected by the Bluetooth module and the programmable wifi module to select CC3200. After receiving the network networking instruction, the Bluetooth module is instructed to broadcast the start signal, and the returned audio and video code stream is received by the wireless Wi-fi router after the front end starts to enter the working state. And pass the network.

In this embodiment, the back-end Wi-fi module adopts a programmable Wifi module, and receives the audio and video code stream returned by the Wi-fi module from both the wireless network card, and uploads the network.

This embodiment supports the back end to transmit signals to the front end.

In this embodiment, a light macro KEM-10001WR-IR lamp bead is used, and an infrared lamp bead provides 3-5 lumens, a total of 20 lamp beads, and a total of 60 lumens; a custom single crystal PET silicon plate of 8cm*8cm can be output 0.2. The current above the tile (W, the same below), in the case of full charge, the four 18650 batteries are at 10000mVAh, and the operation can be continued for 2 hours in 5W. The standby power of the system is 6.8 milliwatts (mW, the same below). After entering the standby state, the empty battery can be fully charged for 50 hours. That is, the working time does not exceed 1/24 of the total duration, that is, the average working time is 1 hour per day, and the camera will never lose power when it is not more than 2 hours in a single operation.

Preferably, the front end portion further includes a battery power monitoring module, the battery power monitoring module executes a power monitoring command from the server, monitors the battery power, and the battery power returns to the server through the first wireless module, the second wireless module, or through the Wi- The fi module and programmable Wi-fi module are returned to the server to support battery management functions.

Claims (7)

A wireless charging device, comprising: a transmitting end and a receiving end, wherein the transmitting end comprises a plurality of infrared lamps, and the infrared lamp is connected to an external power source; the receiving end comprises a photovoltaic panel and a power output interface, the infrared lamp The emitted infrared light is concentrated to the photovoltaic panel, and the photovoltaic panel converts the light energy into electrical energy and outputs it through the power output interface. The device according to claim 1, wherein the infrared light emitted by the infrared lamp is concentrated by the concentrating element and concentrated to the photovoltaic panel. The device according to claim 2, wherein the concentrating elements are concentrating lenses, and each of the front ends of the infrared lamps is condensed by a collecting lens. The wireless charging device according to claim 1, further comprising visible light direct light beads, which are switched and controlled independently of the infrared light for light calibration. A split type high definition network camera includes a front end portion and a rear end portion, wherein the front end portion is powered by the wireless charging device of claim 1; the front end portion includes a first wireless module, a Wi-fi module, Quickly start the low-power network camera module and the battery module. The battery module is connected to the output of the wireless charging device. The first wireless module, the Wi-fi module, and the quick-start low-power network camera module are powered by the battery module; The second wireless module is composed of a programmable Wi-fi module, and the back end portion is powered on-line; The programmable Wifi module acquires a server instruction, where the instruction includes starting and standby, and the acquired instruction is broadcasted in real time by the second wireless module; the first wireless module is powered by the battery module, adopts a normal sleep, a timed wake mode, and starts to acquire a second time. The wireless module broadcasts the command; the front end portion is in the low power standby state except the first wireless module, the Wi-fi module is in the deep sleep mode, and the deep sleep mode, the Wi-fi module consumes 190 microamps, and the wake-up time is 300. Millisecond; fast start low-power network camera module is in standby state, wake-up time is 200mS, standby power consumption is 2mA; After receiving the start signal, the first wireless module of the current end part wakes up the low power network camera module and the first Wifi module, and the low power network camera module collects audio and video information, generates a compressed code stream, and passes the first Wi-fi The module is sent to the back end, and the programmable Wi-fi module obtains the audio and video code stream and uploads it to the network; After the first wireless module of the current end portion receives the standby signal, the first wireless module instructs the first Wi-fi module to enter the deep sleep mode and the network camera module standby mode; or the Wi-fi module and the network camera module may also be changed to be powered off. It is more energy efficient, but the startup time is extended by 2-3 seconds. [Correct according to Rule 26 12.03.2018]
The split-type high-definition network camera according to claim 3, wherein the first wireless module and the second wireless module are both Bluetooth modules, or both Zigbee modules, or NB-IoT modules or other normals. Wireless communication module for sleep and timed wake-up functions. [Correct according to Rule 26 12.03.2018]
The split-type high-definition network camera according to claim 3, wherein the front end portion further comprises a battery power monitoring module, the battery power monitoring module executes a power quantity monitoring command from the server, monitors the battery power, and the battery power passes through the first wireless module, The second wireless module returns to the server or returns to the server via the Wi-fi module and the programmable Wi-fi module to support the battery management function.

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