Indoor visual identification monitoring system

Abstract

The utility model discloses an indoor visual identification monitoring system, belongs to the technical field of visual identification monitoring, and solves the problems that a camera needs to be started at any time, videos need to be recorded continuously for storage, and electricity and storage space are consumed. Comprising an infrared sensor which collects infrared rays emitted by a human body and feeds back infrared signals; the controller can be used for receiving the infrared signal and storing and reading the infrared signal; the memory is coupled with the controller, and the memory is used for storing and reading the infrared signals; and a timing circuit. During indoor monitoring, the infrared sensor is used for collecting human body infrared rays and feeding back signals, the signals are amplified and stored, if the signals exceed the standard, the timing circuit is started, the controller compares the real-time signals with the stored signals, and if the signals are consistent with the stored signals, it is indicated that no person is in a room or the person is static, and the camera does not need to be turned on; otherwise, the camera is turned on to avoid useless shooting and waste of electric energy.

Description

TECHNICAL FIELD

[0001] The utility model relates to visual identification monitoring technical field especially relates to an indoor visual identification monitoring system. BACKGROUND

[0002] Visual identification monitoring is a system that uses computer vision technology to analyze and process surveillance videos in real-time. It captures images or video streams through cameras, then uses advanced image processing algorithms and machine learning models to identify and analyze objects, behaviors, and scenes. This technology can automatically detect and track targets such as pedestrians, vehicles, etc., identify abnormal behaviors such as intrusion, fighting, etc., and send alerts in time. Visual identification monitoring is widely used in security fields such as public place safety monitoring, traffic flow monitoring, industrial production quality detection, etc. It not only improves monitoring efficiency, but also reduces the cost and fatigue of manual monitoring. With the continuous progress of technology, the accuracy and reliability of visual identification monitoring are constantly improving, providing strong support for social safety and management.

[0003] In the process of image acquisition through the camera, the camera needs to be kept always on, capturing the scene in real time and inputting it to the processor, and also needs to store the video stream obtained by capturing the picture, so the monitoring system needs to have sufficient storage space to store the video stream. Therefore, it is not a good choice to keep the camera on all the time. Not only does it need to ensure that the camera is always on, but it also needs to continuously record and store videos, which consumes power and storage space.

[0004] Therefore, an indoor visual identification monitoring system is proposed to solve or alleviate the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings in the prior art and provides an indoor visual identification monitoring system.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme:

[0007] An indoor visual identification monitoring system comprises

[0008] An infrared sensor collects human body emitted infrared rays and feeds back infrared signals.

[0009] A controller can receive, store and read infrared signals.

[0010] A storage is coupled with the controller and used for storing and reading infrared signals.

[0011] a timing circuit, an output terminal of the timing circuit is coupled with the controller, the timing circuit starts timing in response to the trigger signal and provides a time stamp for the controller;

[0012] a comparison circuit, two input terminals of the comparison circuit receive the real-time infrared signal and the stored infrared signal on the time stamp respectively, an output terminal of the comparison circuit is coupled with the controller, the comparison circuit outputs a trigger signal to the controller when the real-time infrared signal and the stored infrared signal on the time stamp are inconsistent;

[0013] a camera, the camera is powered through a relay, a controlled terminal of the relay is coupled with an output terminal of the controller, the controller controls the relay to be turned on in response to the trigger signal.

[0014] Preferably, a signal amplification circuit is further included, an input terminal of the signal amplification circuit is coupled with an output terminal of the infrared sensor, and the signal amplification circuit performs operational amplification on the infrared signal fed back by the infrared sensor.

[0015] Preferably, a first voltage comparison circuit is further included, an input terminal of the first voltage comparison circuit is coupled with an output terminal of the signal amplification circuit, and the first voltage comparison circuit outputs a comparison signal to the timing circuit in response to the voltage of the infrared signal being greater than a preset infrared reference signal.

[0016] Preferably, the comparison circuit includes a second voltage comparison circuit, input terminals of the second voltage comparison circuit are coupled with an output terminal of the signal amplification circuit and an output terminal of the controller respectively, an output terminal of the second voltage comparison circuit is coupled with an input terminal of the controller, and the second voltage comparison circuit outputs a trigger signal to the controller in response to the real-time infrared signal and the stored infrared signal on the time stamp being inconsistent.

[0017] Preferably, the signal amplification circuit includes a minimum circuit based on an operational amplifier LM324.

[0018] Preferably, the first voltage comparison circuit and the second voltage comparison circuit each include a minimum circuit based on a voltage comparator LM358.

[0019] Preferably, the controller includes a single-chip microcomputer STM32.

[0020] Preferably, the timing circuit includes an inverter and a minimum circuit based on a 555 time base chip, an output terminal of the inverter is coupled with an input terminal of the minimum circuit based on the 555 time base chip.

[0021] Preferably, the memory includes an SDNAND memory chip.

[0022] The utility model has the following beneficial effects:

[0023] The utility model discloses a indoor monitoring, first use infrared sensor to gather human infrared and feedback signal, store after amplification, if signal is over standard, timing circuit starts, and controller compares real time with storage signal, if consistent, explain that indoor is nobody or people stationary, need not open camera head, on the contrary, open camera head, avoid useless shooting and waste electric energy. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be to the embodiment needed to use the drawing briefly introduces, it should be understood, the following drawing only shows some embodiments of the utility model, therefore should not be seen as the limitation to the range, for the ordinary skilled person in the art comes, under the premise of not making the creative labor, can also obtain other related drawings according to these drawings.

[0025] Fig. 1 It is the structure diagram of the utility model;

[0026] Fig. 2 It is the wiring diagram of signal amplification circuit, second voltage comparison circuit, controller and relay in the utility model;

[0027] Fig. 3 It is the wiring diagram of first voltage comparison circuit and timing circuit in the utility model;

[0028] Fig. 4 It is the wiring diagram of memory in the utility model.

[0029] 1, infrared sensor;2, signal amplification circuit;3, controller;4, memory;5, first voltage comparison circuit;6, timing circuit;7, second voltage comparison circuit;8, relay;9, camera head. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantage of the embodiment of the utility model more clear, the following will be combined with the drawing in the embodiment of the utility model, the technical scheme in the embodiment of the utility model is clearly, completely described, obviously, the described embodiment is the part of the embodiment of the utility model, instead of all the embodiment. The component of the embodiment of the utility model described and shown in the drawing here can be arranged and designed in various different configurations.

[0031] Therefore, the following detailed description of the embodiment of the utility model provided in the drawing is not intended to limit the scope of the claimed utility model, but only represents the selected embodiment of the utility model. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skilled person in the art without making the creative labor belong to the scope of the utility model protection.

[0032] It should be noted that like reference numerals and letters refer to like items in the several views, and that no further definitions and explanations of such items are required in the subsequent drawings once such items have been defined in one of the drawings.

[0033] In the description of the utility model, it needs to be understood that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, or is the orientation or position relationship commonly placed when the utility model product is used, or is the orientation or position relationship commonly understood by the person skilled in the art, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model.

[0034] In addition, the terms "first", "second", "third" and the like are only used for differentiation in description and cannot be understood as indicating or implying relative importance.

[0035] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0036] An indoor visual recognition monitoring system, as shown in Figs. 1 to 4 The signal amplification circuit 2 comprises a minimum circuit based on an operational amplifier LM324, the first voltage comparison circuit 5 and the second voltage comparison circuit 7 each comprise a minimum circuit based on a voltage comparator LM358, the controller 3 comprises a single-chip microcomputer STM32, the timing circuit 6 comprises an inverter and a minimum circuit based on a 555 time base chip, the output end of the inverter is coupled with the input end of the minimum circuit based on the 555 time base chip, and the memory 4 comprises an SDNAND memory chip.

[0037] The infrared sensor 1 collects the infrared rays emitted by the human body and feeds back the infrared signal. The input end of the signal amplification circuit 2 is coupled with the output end of the infrared sensor 1. The signal amplifier operates and amplifies the infrared signal fed back by the infrared sensor 1. The controller 3 can receive the infrared signal and store and read it. The memory 4 is coupled with the controller 3. The memory 4 is used to store and read the infrared signal. The input end of the first voltage comparison circuit 5 is coupled with the output end of the signal amplification circuit 2. The first voltage comparison circuit 5 outputs a comparison signal to the timing circuit 6 in response to the voltage of the infrared signal being greater than the preset infrared reference signal. The output end of the timing circuit 6 is coupled with the controller 3. The timing circuit 6 starts timing in response and provides a time stamp for the controller 3. The two input ends of the comparison circuit receive the real-time infrared signal and the stored infrared signal on the time stamp respectively. The output end of the comparison circuit is coupled with the controller 3. The comparison circuit outputs a trigger signal to the controller 3 when the real-time infrared signal and the stored infrared signal on the time stamp are inconsistent. The comparison circuit includes the second voltage comparison circuit 7. The input end of the second voltage comparison circuit 7 is coupled with the output end of the signal amplification circuit 2 and the output end of the controller 3 respectively. The output end of the second voltage comparison circuit 7 is coupled with the input end of the controller 3. The second voltage comparison circuit 7 outputs a trigger signal to the controller 3 in response to the real-time infrared signal and the stored infrared signal on the time stamp being inconsistent. The camera 9 is powered through the relay 8. The controlled end of the relay 8 is coupled with the output end of the controller 3. The controller 3 controls the relay 8 to be turned on in response to the trigger signal.

[0038] The utility model discloses a indoor monitoring and identification in actual progress, preferentially by infrared sensor 1 to the human body infrared line of indoor is gathered to, and the feedback corresponding infrared signal is given to controller 3 after the operation amplification of signal amplification circuit 2, and controller 3 will store the infrared signal through memory 4, and need to pay attention to, if infrared signal is greater than infrared reference signal, then first voltage comparison circuit 5 can send a comparison signal, and the comparison signal triggers timing circuit 6 to start timing after the inversion of inverter, and the time stamp is provided for controller 3 by timing circuit 6, after this time stamp, second voltage comparison circuit 7 will directly obtain the infrared signal of infrared sensor 1 real-time feedback amplification, also will be through controller 3 to read the infrared signal of corresponding time stamp that memory 4 stores, when both are consistent, then explain two kinds of situation, either indoor keeps the state of nobody, or indoor has a person but personnel keeps stationary and does not move state, then controller 3 does not need to control relay 8 and turns on and lets camera 9 power on work, contrarily, then explain that indoor appears in a period of time and goes in or personnel moves situation, then need to power on for camera 9, in turn make camera 9 can obtain the picture of indoor, avoid camera 9 to keep open state, avoid its continuous acquisition useless video stream and store, also avoid camera 9 always to shoot useless picture and waste electric energy.

[0039] The above only is the preferred embodiment of the utility model and does not limit the utility model, and the utility model can have various changes and changes for the person skilled in the art. Any modification, equivalent replacement, improvement etc. that is made in the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An indoor visual recognition monitoring system, characterized in that, The application relates to an infrared signal monitoring system, which comprises the following parts: an infrared sensor (1) for collecting infrared signals emitted by human bodies and feeding back the infrared signals; a controller (3) for receiving, storing and reading the infrared signals; a memory (4) coupled with the controller (3) and used for storing and reading the infrared signals; a timing circuit (6) having an output end coupled with the controller (3) and used for starting timing and providing a time stamp for the controller (3) in response; a comparison circuit having two input ends for receiving real-time infrared signals and stored infrared signals on the time stamp respectively, an output end coupled with the controller (3) and used for outputting a trigger signal to the controller (3) when the real-time infrared signals and the stored infrared signals on the time stamp are inconsistent; and a camera (9) powered through a relay (8) having a controlled end coupled with an output end of the controller (3) and controlled by the controller (3) to be turned on in response to the trigger signal. The system further comprises a signal amplification circuit (2) having an input end coupled with an output end of the infrared sensor (1) and used for operation amplification of the infrared signals fed back by the infrared sensor (1). The system further comprises a first voltage comparison circuit (5) having an input end coupled with an output end of the signal amplification circuit (2) and used for outputting a comparison signal to the timing circuit (6) in response to the voltage of the infrared signals being greater than a preset infrared reference signal. The comparison circuit comprises a second voltage comparison circuit (7) having input ends coupled with an output end of the signal amplification circuit (2) and an output end of the controller (3) respectively, an output end coupled with an input end of the controller (3) and used for outputting a trigger signal to the controller (3) in response to the real-time infrared signals and the stored infrared signals on the time stamp being inconsistent. The signal amplification circuit (2) comprises a minimum circuit based on an operation amplifier LM324. The first voltage comparison circuit (5) and the second voltage comparison circuit (7) both comprise minimum circuits based on voltage comparators LM358. The controller (3) comprises a single-chip microcomputer STM32.

2. The indoor visual recognition monitoring system according to claim 1, wherein, The timing circuit (6) comprises an inverter and a minimum circuit based on a 555 time base chip, wherein an output end of the inverter is coupled with an input end of the minimum circuit based on the 555 time base chip.

3. The indoor visual recognition monitoring system according to claim 2, wherein, The memory (4) comprises an SDNAND memory chip.

4. The indoor visual recognition monitoring system according to claim 3, wherein, ​ 5. The indoor visual recognition monitoring system according to claim 2, wherein, ​ 6. The indoor visual recognition monitoring system according to claim 4, wherein, ​ 7. The indoor visual recognition monitoring system according to claim 1, wherein, ​ 8. The indoor visual recognition monitoring system according to claim 1, wherein, ​ 9. The indoor visual recognition monitoring system according to claim 1, wherein, ​

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