CN214480949U

CN214480949U - Micro-power-consumption triggered video recording 4G monitor

Info

Publication number: CN214480949U
Application number: CN202120966205.0U
Authority: CN
Inventors: 李�诚
Original assignee: Shanghai Anboda High Speed Railway Technology Co ltd
Current assignee: Shanghai Anboda High Speed Railway Technology Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-10-22
Anticipated expiration: 2031-05-08

Abstract

The utility model discloses a micro-power consumption triggering video recording 4G monitor, which comprises a central processing unit, a triggering pulse wake-up circuit, a video recorder, a 4G communication module, a solar power supply device and a wireless receiving module, wherein the triggering pulse wake-up circuit, the video recorder, the 4G communication module and the solar power supply device are respectively connected with the central processing unit; the trigger pulse wake-up circuit comprises a pulse generator, a capacitor and a resistor, wherein the signal output end of the wireless receiving module is connected with the control end of the pulse generator, and the pulse output end of the pulse generator is connected with the wake-up monitoring end of the central processing unit through the capacitor and the resistor which are connected in series. The utility model discloses be in the dormant state under the condition of not triggering, have low-power consumption characteristics, awaken up automatically when receiving outside trigger signal and carry out effective video recording, improve the utilization ratio of electric energy.

Description

Micro-power-consumption triggered video recording 4G monitor

Technical Field

The utility model relates to a monitoring video recorder field specifically is a little consumption triggers video recording 4G watch-dog.

Background

At present, low-power consumption 4G monitors in the market have various models, but have certain use limitation. The method comprises the following specific steps:

1. the 4G monitor has a PIR human body infrared detection triggering awakening function, and awakens the 4G monitor after a person is detected to enter a monitoring area, and the monitor starts alarming and recording; such a 4G monitor has the following problems: (a) when monitoring is needed under specific conditions, for example, when motor vehicles such as automobiles passing through a railway crossing are detected and monitored, as too many people pass through the railway crossing, the PIR human body infrared detection function can continuously give an alarm, so that the 4G monitor can not record video for a long time, and a large amount of power is consumed; (b) and if illegal border crossing monitoring is carried out on the border line, some wild animals can also interfere with PIR infrared detection, a large amount of false alarms are caused, and the 4G monitor is used for recording videos in an invalid manner for a long time, so that the battery capacity is consumed quickly.

2. If a 4G monitor without the PIR human body infrared detection function is used, the monitor has the sleep function, but only can artificially wake up the video by using a mobile phone or a computer, and cannot automatically wake up the video by an external trigger signal.

3. The 4G monitor without the sleep function cannot reduce the power consumption, and the size, power and cost of the solar cell system are large.

4. The monitor with the function of automatic video recording of image change must be started up for 24 hours, and low power consumption cannot be realized.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a little consumption triggers video recording 4G watch-dog, can awaken the video recording according to the received outside trigger signal is automatic, has both kept the low-power consumption characteristics, can carry out effective video recording again at any time.

The technical scheme of the utility model is that:

the micro-power consumption triggered video 4G monitor comprises a central processing unit, a trigger pulse wake-up circuit, a video recorder, a 4G communication module, a solar power supply device and a wireless receiving module, wherein the trigger pulse wake-up circuit, the video recorder, the 4G communication module and the solar power supply device are respectively connected with the central processing unit; the trigger pulse wake-up circuit comprises a pulse generator, a capacitor and a resistor, wherein the signal output end of the wireless receiving module is connected with the control end of the pulse generator, and the pulse output end of the pulse generator is connected with the wake-up monitoring end of the central processing unit through the capacitor and the resistor which are connected in series.

The wireless receiving module is an LoRa spread spectrum wireless module.

The solar power supply device comprises a monocrystalline silicon solar panel and a 12V lithium battery pack, wherein the electric energy output end of the monocrystalline silicon solar panel is connected with the power supply input end of the 12V lithium battery pack, and the power supply output end of the 12V lithium battery pack is connected with the central processing unit.

The video recorder adopts a CCD monitoring video recorder.

The pulse generator is a 0.5Hz pulse generator.

The central processing unit is connected with a 3.7V external spare lithium battery.

The utility model has the advantages that:

(1) the utility model is a micro-power consumption 4G monitor, the working current is only 1-2mA when in dormancy, and after the external trigger signal disappears, the video is automatically closed to enter the dormant state;

(2) the utility model can wake up the 4G monitor at any time by the external trigger signal in the dormant state, the 4G monitor starts the video recorder to record video after receiving the trigger signal, and the video can be recorded all the time as long as the external trigger signal does not disappear;

(3) the utility model is provided with a 4G communication module, and when the external trigger signal wakes up the 4G monitor, the 4G monitor automatically sends the alarm signal to the mobile phone of the administrator through the 4G communication module;

(4) and the manager is connected with the 4G communication module through the mobile phone, and the 4G monitor can be automatically awakened through the mobile phone APP, so that the site real-time image can be rapidly seen and stored.

Drawings

Fig. 1 is a schematic block diagram of the present invention.

Fig. 2 is a circuit diagram of the trigger wake-up circuit of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, the micro-power consumption triggered video 4G monitor comprises a central processing unit 1, a trigger pulse wake-up circuit 2, a CCD monitoring video recorder 3, a 4G communication module 4, a solar power supply device 5, a 3.7V external backup lithium battery 6 and a wireless receiving module 7, which are respectively connected with the central processing unit 1; the trigger pulse wake-up circuit 2 comprises a 0.5Hz pulse generator 21, a capacitor 22 and a resistor 23, a signal output end of the wireless receiving module 7 is connected with a control end of the 0.5Hz pulse generator 21, a pulse output end of the 0.5Hz pulse generator 21 is connected with a wake-up monitoring end of the central processing unit 1 through the capacitor 22 and the resistor 23 which are connected in series, and a pulse output end of the 0.5Hz pulse generator 21 is grounded through the capacitor 22, the resistor 23 and the grounding resistor 24 which are connected in series.

The wireless receiving module 7 is an LoRa spread spectrum wireless module with the model number of E22-400T 22S; the solar power supply device comprises a monocrystalline silicon solar panel and a 12V lithium battery pack, wherein the electric energy output end of the monocrystalline silicon solar panel is connected with the power supply input end of the 12V lithium battery pack, and the power supply output end of the 12V lithium battery pack is connected with the central processing unit.

The utility model discloses a theory of operation:

firstly, the 4G monitor is in a dormant state, when the wireless receiving module 7 receives an alarm signal, the wireless receiving module 7 outputs an SP alarm signal (high level can be) to the trigger pulse awakening circuit 2, the trigger pulse awakening circuit 2 is controlled to work and output a 0.5Hz pulse signal to the awakening monitoring end of the central processing unit 1, the awakening monitoring end of the central processing unit 1 is at a low level at ordinary times, at the moment, the CCD monitoring video recorder 3 and the 4G communication module 4 stop working, when the awakening monitoring end of the central processing unit 1 receives the 0.5Hz pulse signal, the central processing unit 1 starts the CCD monitoring video recorder 3 to start video recording within 1-2 seconds, meanwhile, the 4G communication module 4 is connected to a 4G network to send alarm information to a mobile phone of a manager through the 4G network, and the manager can also watch a field recorded image in real time through the mobile phone APP and store the field recorded image.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Micro-power consumption triggers video 4G watch-dog, its characterized in that: the device comprises a central processing unit, a trigger pulse wake-up circuit, a video recorder, a 4G communication module, a solar power supply device and a wireless receiving module, wherein the trigger pulse wake-up circuit, the video recorder, the 4G communication module and the solar power supply device are respectively connected with the central processing unit; the trigger pulse wake-up circuit comprises a pulse generator, a capacitor and a resistor, wherein the signal output end of the wireless receiving module is connected with the control end of the pulse generator, and the pulse output end of the pulse generator is connected with the wake-up monitoring end of the central processing unit through the capacitor and the resistor which are connected in series.

2. The micropower trigger video 4G monitor of claim 1, wherein: the wireless receiving module is an LoRa spread spectrum wireless module.

3. The micropower trigger video 4G monitor of claim 1, wherein: the solar power supply device comprises a monocrystalline silicon solar panel and a 12V lithium battery pack, wherein the electric energy output end of the monocrystalline silicon solar panel is connected with the power supply input end of the 12V lithium battery pack, and the power supply output end of the 12V lithium battery pack is connected with the central processing unit.

4. The micropower trigger video 4G monitor of claim 1, wherein: the video recorder adopts a CCD monitoring video recorder.

5. The micropower trigger video 4G monitor of claim 1, wherein: the pulse generator is a 0.5Hz pulse generator.

6. The micropower trigger video 4G monitor of claim 1, wherein: the central processing unit is connected with a 3.7V external spare lithium battery.