CN106791711A - A kind of monitor and monitoring system - Google Patents

Abstract

The invention discloses a kind of monitor, including governor circuit, power circuit, audio playing circuit, video playback circuit, at least one camera video signal input circuit, signal input circuit, audio signal input circuit and audio interface circuit；Also disclose a kind of monitoring system, including the camera with mobile detection function, external signal source device and described monitor.A kind of monitor carries triggering warning function in the present invention, it is not necessary to which manual switching is adjusted, time saving and energy saving；Input circuit of the signal input circuit as outside source, a tractor serves several purposes are also provided；A kind of monitor in monitoring system carries triggering warning function, it is only necessary to coordinate the camera of normal tape warning function to use；When having mobile target, monitor picture is automatically switched on the picture of setting, it is not necessary to manually adjusted；When camera is without mobile target, can automatically switch and watch the picture of other outside sources input, it is not necessary to buy two monitors.

Description

A monitor and monitoring system

technical field

The invention relates to the monitoring field, in particular to a monitor and a monitoring system.

Background technique

In the daily security work, there will be a problem. For the monitor in the security room, the security personnel can only watch the surveillance video recorded by the camera in different positions by manually switching different channels and notifying the signal sent by the hard disk recorder; Pay attention to the monitoring screen at any time, it will cause excessive eye fatigue after a long time. When a visitor or vehicle enters the security area, the security guard may not be able to notice it in time, and will find the monitoring target after a time lag. The entry and exit of the vehicle and the comparison of the license plate information of the vehicle, because the content captured by the camera first enters the security system, and then to the monitor; although there is a monitoring screen, due to the small size of the screen, it is often necessary for the driver to honk the horn to be blocked. It was discovered that the security guard gave the order to pass or ask to get off the car to register, which not only caused noise, but also may cause some discomfort to the driver and security because they did not release in time.

Contents of the invention

In order to solve the above-mentioned technical problems, the purpose of the present invention is to provide a monitor with an alarm reminder function, which can allow security guards to watch the monitoring video of the camera with a moving target in time without manual adjustment, saving time and effort; correspondingly, A monitoring system is also provided.

The technical solution adopted in the present invention is: a monitor, including a main control circuit, a power supply circuit, an audio playback circuit, a video playback circuit, at least one camera video signal input circuit, a signal input circuit, an audio signal input circuit and an audio interface circuit , the output end of the power supply circuit, the output end of the signal input circuit, the output end of the audio signal input circuit, the output end of the audio interface circuit, and the output end of the camera video signal input circuit are respectively connected to the input end of the main control circuit, so The output end of the main control circuit is connected with the input end of the audio playback circuit and the input end of the video playback circuit respectively, and the audio interface circuit and the camera video signal input circuit are respectively used to input the motion detection alarm signal of the camera to the main control circuit , a video signal, the signal input circuit is used for inputting a video signal and/or an audio signal.

Further, the monitor also includes a signal output circuit for outputting the video signal input by the camera video signal input circuit to an external device, and the output terminal of the main control circuit is connected to the input terminal of the signal output circuit.

Further, the monitor further includes a button circuit, the output end of the button circuit is connected to the input end of the main control circuit.

Further, the monitor also includes a status indicator circuit, and the output terminal of the main control circuit is connected to the input terminal of the status indicator circuit.

Further, the signal input circuit includes an HDMI interface circuit and/or a VGA interface circuit, and the output terminals of the HDMI interface circuit and the VGA interface circuit are respectively connected to the input terminals of the main control circuit.

Further, the audio playback circuit includes a speaker.

Further, the video playing circuit includes a display screen.

Further, the camera video signal input circuit includes a BNC interface.

Another technical solution adopted in the present invention is: a monitoring system, comprising a camera with motion detection function, external signal source equipment and the monitor, the output terminals of the camera are respectively connected to the audio interface circuit of the monitor The input end of the camera video signal input circuit is connected to the input end, and the output end of the external signal source device is respectively connected to the input end of the signal input circuit and the input end of the audio signal input circuit.

Further, the external signal source device includes a computer and/or a hard disk video recorder or a network hard disk video recorder.

The beneficial effects of the present invention are: a monitor in the present invention includes a main control circuit, a power supply circuit, an audio playback circuit, a video playback circuit, at least one camera video signal input circuit, a signal input circuit, an audio signal input circuit and an audio interface The circuit sends the alarm signal generated by the camera with motion detection function to the main control circuit through the audio interface circuit, and then the main control circuit can control the video playback circuit to switch to play the video signal input by the camera, and control the audio playback circuit to work to alarm , to remind the staff that the monitor has its own trigger alarm function, which does not need to be manually switched and adjusted, and can watch the surveillance video with moving objects in time, saving time and effort; the signal input circuit is also provided as the input circuit of the external signal source, one machine with multiple functions , saving monitoring costs; in addition, a monitoring system, the monitor has its own trigger alarm function, which only needs to be used with a common camera with alarm function; when there is a moving target, the monitor screen will automatically switch to the set screen, no need Manual adjustment allows the security guards to watch in time, saving time and effort; when the camera has no moving target, the monitor can also automatically switch to other channels to the monitoring system to watch the images input by other external signal sources, without having to buy two monitors. Save space and money.

Description of drawings

The specific embodiment of the present invention will be further described below in conjunction with accompanying drawing:

Fig. 1 is the structural block diagram of a kind of monitor among the present invention;

Fig. 2 is a front view of a specific embodiment of a monitor in the present invention;

Fig. 3 is a rear view of a specific embodiment of a monitor in the present invention;

Fig. 4 is a specific embodiment circuit diagram of the audio interface circuit of a kind of monitor in the present invention;

Fig. 5 is a schematic diagram of a specific embodiment of a monitoring system in the present invention;

Fig. 6 is a structural block diagram of a monitoring system in the present invention.

detailed description

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

A kind of monitor, with reference to Fig. 1, Fig. 1 is a structural block diagram of a kind of monitor among the present invention, comprises main control circuit, power supply circuit, audio frequency play circuit, video play circuit, at least one camera video signal input circuit, signal input circuit , the audio signal input circuit and the audio interface circuit, the output end of the power supply circuit, the output end of the signal input circuit, the output end of the audio signal input circuit, the output end of the audio interface circuit, the output end of the camera video signal input circuit and the main control respectively The input end of the circuit is connected, and the output end of the main control circuit is respectively connected with the input end of the audio playback circuit and the input end of the video playback circuit. Detect alarm signal, video signal, the signal input circuit is used for inputting video signal and/or audio signal.

A monitor in the present invention sends an alarm signal generated by a camera with a motion detection function to the main control circuit through an audio interface circuit, and then the main control circuit can control the video playback circuit to switch to play the video signal input by the camera, and control The audio playback circuit works to alarm and remind the staff. The monitor has its own trigger alarm function, which does not need to be manually switched and adjusted, and can watch the surveillance video with moving objects in time, saving time and effort; it also provides a signal input circuit as an external signal source. Input circuit, one machine with multiple functions, saving monitoring cost.

Further, referring to Fig. 2 and Fig. 3, Fig. 2 is a front view of a specific embodiment of a monitor in the present invention, Fig. 3 is a rear view of a specific embodiment of a monitor in the present invention, the video playback circuit includes Display screen 1, in the present embodiment, display screen adopts liquid crystal display screen to realize; Audio playback circuit comprises loudspeaker 2; The power supply voltage is converted into the working voltage required by the remaining circuit parts of the monitor, which can be realized by using a voltage converter; the camera video signal input circuit includes a BNC interface. In this embodiment, the monitor includes two camera video signal input circuits, namely the monitor Include two BNC interfaces, such as the first BNC interface 6 and the second BNC interface 7 in Figure 3; further, the signal input circuit includes an HDMI interface circuit and/or a VGA interface circuit, an output terminal of the HDMI interface circuit, a VGA interface circuit The output ends of the main control circuit are respectively connected to the input ends of the main control circuit. The HDMI interface circuit includes an HDMI interface 11, and the VGA interface circuit includes a VGA interface 10. So far, the display screen 1 can display the signal input through the HDMI interface 11 in FIG. 1080P (1920x1080 pixels) high-definition picture, can also display the signal input through the first BNC interface 6 or the second BNC interface 7 in Figure 3, display CVBS (composite video broadcast signal), and can also display through the VGA interface 10 in Figure 3 The input signal displays a high-definition picture of 1080P (1920x1080 pixels); the main control circuit includes a main control chip and its peripheral circuits. The present invention adopts the MSTAR scheme, and the main control chip adopts a TSUMV39LU type chip. A circuit diagram of a specific embodiment of an audio interface circuit of a monitor in the invention, the audio interface circuit includes a first audio interface 8 and its peripheral circuits, the output terminal OUT of the audio interface circuit is connected with the input terminal of the main control chip, and is connected to the main control chip. The control chip inputs the alarm signal input by the first audio interface 8. The audio signal input circuit includes a second audio interface 9 through which the audio signal can be input to realize simultaneous audio and video playback.

In actual use, refer to Fig. 3 and Fig. 5, Fig. 3 is a rear view of a specific embodiment of a monitor in the present invention, and Fig. 5 is a schematic diagram of a specific embodiment of a monitoring system in the present invention, which can be obtained through the first BNC interface 6 or the second BNC interface 7 connects the video signal of the camera input camera, that is, inputs the CVBS signal to the monitor, and the camera is connected to the first audio interface 8 through an ordinary audio cable to input the alarm signal. The audio cable is not only easy to find , and the cost is low. When the camera finds a moving target, it sends a high-level alarm signal, which is transmitted to the main control circuit of the monitor through the audio cable. After receiving the high-level signal, the main control chip performs a video channel alarm. switch, automatically switch other channels to the BNC video channel of the first BNC interface 6 or the second BNC interface 7 in Fig. Beep to remind the security guard to watch the video on the monitor in time; further, it can be set to play the surveillance video of the camera for a certain period of time, and the time can be set within the range of 5-100 seconds, and the monitor will automatically switch back to the original channel for video play. When the HDMI interface 11 in Fig. 3 is connected to the third signal source (usually a DVR hard disk recorder), after the speaker of the monitor emits a buzzing sound of "beep beep", by setting the time of 5-100 seconds, If there is no moving target in the monitoring area of the camera and no high-level signal is sent, the main control chip of the monitor will switch the video channel again, and will automatically switch to the HDMI channel to display the image of the third signal source. When there is audio signal in the signal that HDMI interface 11 inputs among Fig. 3, loudspeaker also carries out audio playback as loudspeaker; Similarly, when VGA interface 10 is connected to the 3rd signal source (commonly being computer) among Fig. After the loudspeaker emits a "beep beep" beep, by setting a time period of 5-100 seconds, if there is no moving target in the camera monitoring area and no high-level signal is sent, the main control chip of the monitor will conduct a video channel again. switch, the monitor will automatically switch to the VGA interface channel to display the image of the third signal source.

As a further improvement of the technical solution, refer to Fig. 3, Fig. 3 is a rear view of a specific embodiment of a monitor in the present invention, the monitor also includes a signal output circuit for outputting the video signal input by the camera video signal input circuit To the external equipment, the output terminal of the main control circuit is connected with the input terminal of the signal output circuit. The signal output circuit includes a third BNC interface 5, the third BNC interface 5 is used as a video output interface, has a loop-out function, and can input the CVBS (composite video broadcast signal) of the first BNC interface 6 or the second BNC interface 7 in Figure 3 Lossless transfer to the DVR hard disk recorder in order to record the video content captured by the surveillance camera.

As a further improvement of the technical solution, refer to Fig. 2, Fig. 2 is a front view of a specific embodiment of a monitor in the present invention, the monitor also includes a key circuit, the output end of the key circuit is connected to the input end of the main control circuit, The work of the monitor can be conveniently controlled by buttons, as shown in 4 in Figure 2, and the situation of 7 buttons is shown in Figure 2. Further, the monitor also includes a status indicator circuit, the output terminal of the main control circuit is connected to the input terminal of the status indicator circuit; the status indicator circuit includes an LED light, and the LED light is used as the status indicator light, as shown in Figure 2 3 , which can be used to indicate whether the monitor is working or not.

A monitoring system, with reference to Figure 3, Figure 5 and Figure 6, Figure 3 is a rear view of a specific embodiment of a monitor in the present invention, Figure 5 is a schematic diagram of a specific embodiment of a monitoring system in the present invention, Fig. 6 is a structural block diagram of a monitoring system in the present invention, including a camera with a motion detection function, an external signal source device and the monitor, the output of the camera is respectively connected to the input of the audio interface circuit of the monitor, The input end of the video signal input circuit of the camera is connected, and the output end of the external signal source device is respectively connected with the input end of the signal input circuit and the input end of the audio signal input circuit. Further, the external signal source equipment includes a computer and/or a hard disk recorder (Digital Video Recorder, DVR) or a network hard disk recorder (Network Video Recorder, NVR), which can be connected to the computer through the VGA interface of the monitor, and can be connected to the hard disk through the HDMI interface. The video recorder or network hard disk video recorder is connected, and multiple monitors can be connected through the hard disk video recorder or network hard disk video recorder, such as monitor 1, monitor 2, monitor 3 and monitor 4 in Figure 5.

A monitoring system, the monitor has its own trigger alarm function, which only needs to be used with an ordinary camera with alarm function; when there is a moving target, the monitor screen will automatically switch to the set screen without manual adjustment, so that the security guard can Watching saves time and effort; when there is no moving target on the camera, the monitor can also automatically switch to other channels to the monitoring system to watch the images input by other external signal sources, without having to buy two monitors, saving space and expenses.

The above is a specific description of the preferred implementation of the present invention, but the invention is not limited to the described embodiments, those skilled in the art can also make various equivalent deformations or replacements without violating the spirit of the present invention , these equivalent modifications or replacements are all within the scope defined by the claims of the present application.

Claims (10)

1. a kind of monitor, it is characterised in that including governor circuit, power circuit, audio playing circuit, video playback circuit, At least one camera video signal input circuit, signal input circuit, audio signal input circuit and audio interface circuit, institute State output end, the output end of signal input circuit, the output end of audio signal input circuit, the audio interface circuit of power circuit Output end, the output end of camera video signal input circuit be connected with the input of governor circuit respectively, master control electricity The output end on road input respectively with audio playing circuit, the input of video playback circuit are connected, the COBBAIF electricity Road, camera video signal input circuit are respectively used to be input into governor circuit mobile detection alert signal, the video of camera Signal, the signal input circuit is used for incoming video signal and/or audio signal.

2. monitor according to claim 1, it is characterised in that the monitor also includes signal output apparatus, is used for The vision signal that the camera video signal input circuit is input into is exported to external equipment, the output end of the governor circuit It is connected with the input of signal output apparatus.

3. monitor according to claim 1, it is characterised in that the monitor also includes key circuit, the button The output end of circuit is connected with the input of governor circuit.

4. monitor according to claim 1, it is characterised in that the monitor also includes state instruction circuit for lamp, institute The output end for stating governor circuit is connected with the input of state instruction circuit for lamp.

5. the monitor according to any one of Claims 1-4, it is characterised in that the signal input circuit includes HDMI Interface circuit and/or USB interface circuit, the output end of the HDMI circuit, the output end of USB interface circuit respectively with master Control the input connection of circuit.

6. monitor according to claim 5, it is characterised in that the audio playing circuit includes loudspeaker.

7. monitor according to claim 6, it is characterised in that the video playback circuit includes display screen.

8. monitor according to claim 7, it is characterised in that the camera video signal input circuit includes BNC Interface.

9. a kind of monitoring system, it is characterised in that including the camera with mobile detection function, external signal source device and power Profit requires the monitor described in 1 to 8 any one, and the output end of the camera is defeated with the audio interface circuit of monitor respectively Enter the input connection of end, camera video signal input circuit, the output end of the external signal source device respectively with signal The input connection of the input, audio signal input circuit of input circuit.

10. monitoring system according to claim 9, it is characterised in that the external signal source device include computer and/or DVR or network hard disk video recorder.