CN213342387U

CN213342387U - Monitoring system

Info

Publication number: CN213342387U
Application number: CN202022229657.9U
Authority: CN
Inventors: 张与文
Original assignee: Yiwu Chuangjia Electronic Technology Co ltd
Current assignee: Yiwu Chuangjia Electronic Technology Co ltd
Priority date: 2020-10-08
Filing date: 2020-10-08
Publication date: 2021-06-01
Anticipated expiration: 2030-10-08

Abstract

The utility model discloses a monitoring system, its technical scheme main points are: a monitoring system comprises a stand column, a camera and an infrared detector, wherein the infrared detector is used for detecting the existence of a human body and outputting a corresponding detection signal; the pressure detection circuit is used for detecting the pressure generated by the camera on the stand column and outputting a corresponding pressure detection signal; the comparison circuit is electrically connected with the pressure detection circuit and outputs a comparison signal when the pressure detection signal is greater than the pressure reference signal; and the logic circuit is electrically connected with the infrared detector and the comparison circuit. The utility model discloses a monitored control system, camera pass through AI face identification and track the technique and monitor, the monitoring effect is good, and when infrared detector detected someone and is close to destruction camera, the camera produced the change to the pressure of stand, and the rotation takes place for driving piece drive bull stick, makes the unable camera that contacts of destruction personnel, not only can prevent the continuation of this kind of action, also can reduce the loss.

Description

Monitoring system

Technical Field

The utility model relates to a supervisory equipment, more specifically say, it relates to a monitored control system.

Background

The monitoring system is one of the most applied systems in the security system, and generally comprises a front-end video acquisition system, a video transmission system, a terminal display system and the like, wherein the front end part of the control part mainly depends on a monitoring camera to acquire information such as videos, sounds and the like.

In order to facilitate management and reduce the occurrence of bad behaviors, a plurality of cameras are arranged on factories or city streets. The monitoring vertical rod is a matched facility for mounting the camera, is generally in an inverted L shape, enables the camera to be mounted above a road under the action of the monitoring vertical rod, and is good in monitoring effect.

However, some people may have behaviors of maliciously damaging the camera for the reason that the illegal behaviors of the people are not discovered or the people are drunk to release emotions and the like.

A new solution is therefore proposed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a monitored control system when someone destroys the camera, can in time prevent illegal action's production and report to the police, inform relevant law enforcement personnel to handle.

The above technical purpose of the present invention can be achieved by the following technical solutions: a monitoring system comprises an upright post, a camera, a rotating rod which is positioned below the camera and horizontally arranged, and a driving piece which drives the rotating rod to rotate, wherein the upright post is rotatably connected with the rotating rod; the pressure detection circuit is used for detecting the pressure generated by the camera on the stand column and outputting a corresponding pressure detection signal; the comparison circuit is electrically connected with the pressure detection circuit and outputs a comparison signal when the pressure detection signal is greater than the pressure reference signal; the logic circuit is electrically connected with the infrared detector and the comparison circuit, and responds to the detection signal and the comparison signal and then outputs an instruction signal; and the switching circuit is electrically connected with the logic circuit and responds to the conduction of the command signal to supply power to the driving part.

By adopting the technical scheme, when a person is positioned below the upright post, the infrared detector outputs a detection signal after detecting the infrared emitted by the human body, when the camera is damaged by the person, the acting force of the camera on the upright post is increased due to the impact force of the camera, so the pressure detection signal output by the pressure detection circuit is increased, the comparison circuit outputs a comparison signal when the pressure detection signal is greater than the pressure reference signal, the logic circuit outputs an instruction signal when receiving the detection signal and the comparison signal simultaneously, the switching circuit is switched on to supply power to the driving part after receiving the instruction signal, the driving part is started to enable the rotating rod to rotate, and the rotating rod is arranged below the camera, so that the person can not contact the camera after rotating, the behavior of damaging the camera can be prevented in time, and the switching circuit is switched off to enable the driving part not to operate any more after the person leaves, thereby stopping the rotation of the rotating rod.

The utility model discloses further set up to: the stand is including being the first connecting rod of vertical setting, with first connecting rod fixed connection and be the second connecting rod of level setting.

Through adopting above-mentioned technical scheme, first connecting rod fixed mounting makes the second connecting rod be higher than ground setting on subaerial, makes the camera be higher than ground and obtain better control field of vision after installing the camera to the second connecting rod, can make the camera install to the top on road under the effect of second connecting rod simultaneously, obtains better control angle.

The utility model discloses further set up to: the driving piece comprises a motor fixedly connected with the first connecting rod, and an output shaft of the motor is fixedly connected with the rotating rod.

Through adopting above-mentioned technical scheme, rotate through motor direct drive bull stick, simple structure, reaction rate are fast, can practice thrift the preparation installation cost.

The utility model discloses further set up to: the comparison circuit includes a voltage comparator circuit.

By adopting the technical scheme, the voltage comparator is simple in structure, high in sensitivity and capable of saving the cost of a circuit.

The utility model discloses further set up to: the comparison circuit further comprises a pressure reference adjusting circuit for adjusting the magnitude of the pressure reference signal.

Through adopting above-mentioned technical scheme, through the resistance of adjusting pressure reference circuit to can adjust pressure reference signal's size, can satisfy different demands.

The utility model discloses further set up to: the logic circuit includes an AND circuit.

By adopting the technical scheme, the instruction signal can be output when the two input ends of the circuit respectively receive the detection signal and the comparison signal simultaneously, and interference factors can be reduced.

The utility model discloses further set up to: still include the alarm device with switch circuit electric connection.

Through adopting above-mentioned technical scheme, carry out the power supply to alarm device after switching on to switching circuit, alarm device sends the mode of warning light and warning sound and plays the warning effect, and alarm device and terminal display system electric connection simultaneously, relevant law enforcement personnel can learn this signal at the background to can take corresponding measure.

To sum up, the utility model discloses following beneficial effect has:

when the infrared detector detects someone under the stand, the detection signal is output, when someone begins to destroy the camera, the pressure detection signal that pressure detection circuit output increases, comparison circuit output comparison signal when pressure detection signal is greater than pressure reference signal, output command signal when logic circuit receives detection signal and comparison signal simultaneously, switch on receives behind the command signal switches on and supplies power to the driving piece, the driving piece starts to make the bull stick rotate, because the bull stick sets up the below at the camera, can make the unable contact camera of outsider after the bull stick rotates, thereby can in time stop the action of destroying the camera.

Drawings

FIG. 1 is a front view of the present invention for showing the overall structural design;

FIG. 2 is a schematic block diagram of the present invention;

fig. 3 is a circuit diagram of the present invention.

In the figure: 1. a column; 11. a first link; 12. a second link; 2. a rotating rod; 3. an infrared detector; 4. a camera; 5. a drive member; 6. a pressure detection circuit; 7. a comparison circuit; 71. a pressure reference adjustment circuit; 8. a logic circuit; 9. a switching circuit; 10. and an alarm device.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A monitoring system, as shown in fig. 1 and fig. 2, comprises a column 1, a camera 4 mounted on the column 1, an infrared detector 3, a pressure detection circuit 6, a comparison circuit 7, a logic circuit 8 and a switch circuit 9; stand 1 is including being vertical setting and installing at subaerial first connecting rod 11, is the second connecting rod 12 that the level set up at the top fixedly connected with of first connecting rod 11, and fixedly connected with is the driving piece 5 of motor on second connecting rod 12, and fixedly connected with is the level setting and is located bull stick 2 of second connecting rod 12 below on the output shaft of motor.

As shown in fig. 1, the alarm device 10 is mounted on the second connecting rod 12, the alarm device 10 includes a warning light and a buzzer, and plays a warning role by way of light emitting and sound producing, so that not only can the behavior of damaging the camera 4 be further prevented, but also birds can be repelled when a person is under the upright post 1 and the birds stick to the camera 4, and the pressure of the camera 4 on a tripod head inside the camera 4 is reduced; meanwhile, the alarm device 10 is electrically connected with the terminal display system, and related law enforcement officers can know the signal in the background, so that corresponding measures can be taken.

As shown in fig. 2 and 3, an infrared detector 3 for detecting whether a person exists around is installed below the second link 12, one end of the infrared detector 3 is coupled to a power source VCC, and the other end of the infrared detector 3 is connected in series with a resistor R3 and then grounded, so that when a person exists, the infrared detector 3 outputs a high-level detection signal.

As shown in fig. 2 and fig. 3, the pressure detection circuit 6 includes a force-sensitive resistor RP having one end coupled to the power source VCC and the other end connected in series with a resistor R1 and then grounded, and the resistance of the force-sensitive resistor RP is inversely proportional to the magnitude of the pressure applied.

As shown in fig. 2 and 3, the comparing circuit 7 includes a voltage comparator circuit and a pressure reference regulating circuit 71, and the pressure reference regulating circuit 71 includes an adjustable resistor VR1 with one end coupled to the power source VCC and the other end connected in series with a resistor R2 and then grounded; the voltage comparator circuit comprises a voltage comparator U1, an inverting input terminal of the voltage comparator U1 is coupled at a node between the adjustable resistor VR1 and the resistor R2, a non-inverting input terminal of the voltage comparator U1 is coupled at a node between the force sensitive resistor RP and the resistor R1, the voltage at the node between the force sensing resistor RP and the resistor R1 is used as a pressure detection signal, the voltage at the node between the adjustable resistor VR1 and the resistor R2 is used as a pressure reference signal, the magnitude of the pressure reference signal can be adjusted by adjusting the resistance value of the adjustable resistor VR1, when the pressure of the camera 4 on the second connecting rod 12 is increased when the camera 4 is damaged, the resistance value of the force sensitive resistor RP is reduced, so that the voltage at the node between the force sensitive resistor RP and the resistor R1 is increased, thereby, the pressure detection signal output from the pressure detection circuit 6 is increased, and the comparison circuit 7 outputs a comparison signal at a high level when the pressure detection signal is larger than the pressure reference signal.

As shown in fig. 2 and 3, the logic circuit 8 includes an and circuit, and outputs a command signal at a high level when the and circuit receives the detection signal and the comparison signal.

As shown in fig. 2 and fig. 3, the switch circuit 9 includes an NPN-type transistor VT1, a base of the transistor VT1 is coupled to an output terminal of the logic circuit 8, a collector of the transistor VT1 is coupled to the power source VCC after being connected in series with the resistor R4, an emitter of the transistor VT1 is connected to the driving unit 5 and the alarm device 10 in series and then grounded, and the driving unit 5 is connected to the alarm device 10 in parallel; when the switch circuit 9 receives the command signal, the transistor VT1 conducts to supply power to the driving member 5 and the alarm device 10, so that the rotating rod 2 rotates and the alarm device 10 gives an alarm.

When someone is located under the upright post 1, the infrared detector 3 outputs a detection signal after detecting infrared rays emitted by a human body, the acting force of the camera 4 on the upright post 1 is increased due to the fact that the camera 4 is impacted, therefore, the pressure detection signal output by the pressure detection circuit 6 is increased therewith, the comparison circuit 7 outputs a comparison signal when the pressure detection signal is larger than a pressure reference signal, the logic circuit 8 outputs an instruction signal when receiving the detection signal and the comparison signal simultaneously, the switch circuit 9 is conducted to supply power to the driving part 5 after receiving the instruction signal, the driving part 5 is started to enable the rotating rod 2 to rotate, and the rotating rod 2 is arranged below the camera 4, so that the outsiders can not contact the camera 4 after the rotating rod 2 rotates, and the behavior of damaging the camera 4 can be prevented in time.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a monitoring system, includes stand (1), camera (4), its characterized in that: the stand (1) is connected with a rotating rod (2) which is located below the camera (4) and horizontally arranged, a driving rotating rod (2) rotating driving piece (5) is arranged on the stand (1), and the stand further comprises

The infrared detector (3) is used for detecting the existence of a human body and outputting a corresponding detection signal;

the pressure detection circuit (6) is used for detecting the pressure generated by the camera (4) on the upright post (1) and outputting a corresponding pressure detection signal;

the comparison circuit (7) is electrically connected with the pressure detection circuit (6) and outputs a comparison signal when the pressure detection signal is greater than the pressure reference signal;

the logic circuit (8) is electrically connected with the infrared detector (3) and the comparison circuit (7), and responds to the detection signal and the comparison signal and then outputs an instruction signal;

and the switch circuit (9) is electrically connected with the logic circuit (8) and responds to the command signal to conduct and supply power to the driving piece (5).

2. A monitoring system according to claim 1, characterized in that: the upright post (1) comprises a first connecting rod (11) which is vertically arranged and a second connecting rod (12) which is fixedly connected with the first connecting rod (11) and horizontally arranged.

3. A monitoring system according to claim 2, characterized in that: the driving piece (5) comprises a motor fixedly connected with the first connecting rod (11), and an output shaft of the motor is fixedly connected with the rotating rod (2).

4. A monitoring system according to claim 1, characterized in that: the comparison circuit (7) comprises a voltage comparator circuit.

5. A monitoring system according to claim 1, characterized in that: the comparison circuit (7) further comprises a pressure reference adjusting circuit (71) for adjusting the magnitude of the pressure reference signal.

6. A monitoring system according to claim 1, characterized in that: the logic circuit (8) comprises an AND circuit.

7. A monitoring system according to claim 1, characterized in that: and the alarm device (10) is electrically connected with the switch circuit (9).