CN220833024U - Human body posture monitoring system based on infrared sensor - Google Patents
Human body posture monitoring system based on infrared sensor Download PDFInfo
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- CN220833024U CN220833024U CN202322109594.7U CN202322109594U CN220833024U CN 220833024 U CN220833024 U CN 220833024U CN 202322109594 U CN202322109594 U CN 202322109594U CN 220833024 U CN220833024 U CN 220833024U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 41
- 230000002159 abnormal effect Effects 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 230000001502 supplementing effect Effects 0.000 claims description 10
- 230000003321 amplification Effects 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 230000004044 response Effects 0.000 claims description 4
- 230000000977 initiatory effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
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- 230000036541 health Effects 0.000 description 2
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- 238000012986 modification Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model discloses a human body posture monitoring system based on an infrared sensor, which comprises a power supply conversion module, a microprocessor circuit module, an infrared sensor control module, a visible light camera module, a voice recognition circuit module, a data communication module and a holder control module, wherein the infrared sensor control module, the visible light camera module, the voice recognition circuit module, the data communication module and the holder control module are respectively electrically connected with the microprocessor circuit module, the infrared sensor control module is used for acquiring human body infrared posture data of a monitored object and sending the human body infrared posture data to the microprocessor circuit module, the microprocessor circuit module receives abnormal infrared posture data, and when the voice recognition circuit module cannot acquire voice information of the monitored object, the visible light camera module acquires an image picture of the monitored object and returns the image picture to the holder control module. When the infrared detection signal is abnormal, the visible light camera module is started to collect the visible light image, privacy data such as the portrait and the body of the user are collected at low frequency, and the privacy risk is reduced, and meanwhile, the visible light image under the abnormal state is collected.
Description
Technical Field
The utility model relates to the field of security and protection monitoring for aged people, in particular to a human body posture monitoring system with privacy protection based on an infrared sensor.
Background
At present, products related to the safety and health of the old are mainly divided into wearable products and non-contact products. Wherein, the product of wearing formula needs to contact the human body, has the potential safety hazard, and the old man produces technical fear easily to such wearing equipment needs frequent charging, wears to use inconveniently, and old person is used up to and is unacceptable. The non-contact product belongs to passive monitoring, living habits of old people are not changed, charging, operation, wearing and the like are not needed, long-distance health monitoring can be realized, but in order to obtain user data more comprehensively, a depth camera or a color camera is mostly used by a sensor of the non-contact product, and the defect that privacy data such as a portrait and a body of a user are collected at high frequency, so that the privacy of the user is easy to leak, and popularization and application of the product are influenced.
Disclosure of utility model
In order to solve the defects of the technology, the utility model provides a human body posture monitoring system based on an infrared sensor with privacy protection.
The technical scheme adopted by the utility model for realizing the technical effects is as follows:
The utility model provides a human gesture monitoring system based on infrared sensor, includes power conversion module, microprocessor circuit module, and respectively with infrared sensor control module, visible light camera module, voice recognition circuit module, data communication module and the cloud platform control module that microprocessor circuit module electricity is connected, infrared sensor control module is used for acquireing the human infrared gesture data of monitored object, and sends to microprocessor circuit module receives unusual infrared gesture data, and when voice recognition circuit module can't acquire the voice information of monitored object, microprocessor circuit module triggers the current image picture of monitored object is acquireed to the visible light camera module, and the back reaches cloud platform control module.
Preferably, in the above-mentioned infrared sensor-based human posture monitoring system, the infrared sensor control module includes an array infrared sensor.
Preferably, in the above-mentioned human body posture monitoring system based on an infrared sensor, the voice recognition circuit includes a voice amplification circuit and a voice query recognition circuit, the voice amplification circuit is configured to amplify an output voice signal and output the amplified output voice signal to the speaker, and the voice query recognition circuit is configured to initiate a voice query to the monitored object and obtain voice response information of the monitored object.
Preferably, in the human body posture monitoring system based on the infrared sensor, the human body posture monitoring system further comprises an alarm signal output module electrically connected with the microprocessor circuit module.
Preferably, in the human body posture monitoring system based on the infrared sensor, the alarm signal output module comprises a voice alarm circuit and a light alarm circuit.
Preferably, in the above human body posture monitoring system based on an infrared sensor, the visible light camera module includes a visible light camera module, an ambient light monitoring circuit and an LED light supplementing circuit, where the visible light camera module is configured to switch from a sleep state to a wake-up state when the microprocessor circuit module receives abnormal infrared posture data and the voice recognition circuit cannot acquire voice information of a monitored object, and the ambient light monitoring circuit is configured to detect ambient light, and when the intensity of the ambient light is lower than a threshold, the microprocessor circuit module controls the ambient light monitoring circuit module to turn on the light supplementing.
Preferably, in the above human body posture monitoring system based on an infrared sensor, the visible light camera module includes an image sensor U6 with a model OV2640, the image sensor U6 is connected with the microprocessor circuit module, the ambient light monitoring circuit includes an ambient light detection chip U8 with a model BH1750, the ambient light detection chip U8 is connected with the microprocessor circuit module, the LED light supplementing circuit includes an LED driving chip U7 with a model AL8843 and an LED lamp set connected with the LED driving chip U7, and the LED driving chip U7 is configured to receive a light emitting intensity PWM control signal sent by the microprocessor circuit module, and control a current flowing through the LED lamp set.
The utility model has the advantages and positive effects that: the human body posture monitoring system is used for detecting the human body posture of a room of a nursing home, the human body posture of the aged can be detected through the infrared sensor control module, privacy risks are avoided, when infrared human body detection signals are abnormal, the visible light camera module is started to collect visible light images under abnormal conditions, privacy data such as portraits and bodies of users are collected at low frequency, privacy risks are reduced, and meanwhile the visible light images under abnormal conditions are collected.
Drawings
FIG. 1 is a block diagram of a module of the present utility model;
FIG. 2 is a circuit diagram of a power conversion module according to the present utility model;
FIG. 3 is a circuit diagram of a speech recognition circuit module according to the present utility model;
fig. 4 is a circuit diagram of the visible light camera module according to the present utility model;
FIG. 5 is a circuit diagram of a microprocessor circuit module according to the present utility model.
Detailed Description
For a further understanding of the utility model, reference should be made to the following drawings and to the accompanying examples which illustrate the utility model:
In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, connected via an intermediary, or connected by communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
For a further understanding of the utility model, its features and advantages, the following examples are set forth in detail:
As shown in fig. 1, the human body posture monitoring system based on the infrared sensor provided by the embodiment of the utility model comprises a power supply conversion module, a microprocessor circuit module, an infrared sensor control module, a visible light camera module, a voice recognition circuit, a data communication module and a cradle head control module which are respectively and electrically connected with the microprocessor circuit module. As shown in fig. 2, the power conversion module includes a voltage detection chip U1 and a voltage conversion circuit, the voltage input end of the voltage detection chip U1 is connected with a 12V input voltage, and when the voltage is too high, the power supply is cut off to prevent the later stage circuit from burning out, meanwhile, the voltage conversion circuit converts the 12V voltage into a 5V voltage, and the 5V voltage is input into the voltage conversion chip U2 to convert the 5V voltage into a 3.3V voltage, and the converted 5V voltage and the 3.3V voltage provide corresponding power supply voltages for the later stage circuit module. Specifically, the infrared sensor control module is used for acquiring human body infrared gesture data of a monitored object, sending the human body infrared gesture data to the microprocessor circuit module, and triggering the visible light camera shooting module to acquire a current image picture of the monitored object and transmitting the current image picture back to the holder control module when the microprocessor circuit module receives abnormal infrared gesture data and the voice recognition circuit cannot acquire voice information of the monitored object. The infrared sensor control module can display the human body posture of the old in the form of an infrared signal image, but not directly collect the visible light image information of the old, so that direct portrait collection is avoided. The microprocessor circuit module receives abnormal infrared gesture data collected by the infrared sensor control module, and the abnormal infrared gesture data comprises: the old people fall down, the long-time gesture is fixed, and the human gesture data collected by the infrared sensor control module under the states of special gesture (such as sprawl) and the like.
Further, in a preferred embodiment of the present utility model, the infrared sensor control module includes an array infrared sensor that can collect human infrared signals and generate infrared human images. In some embodiments, the array of infrared sensors may be low resolution 32x32 or high resolution 320x 240.
Further, in a preferred embodiment of the present utility model, as shown in fig. 3, the voice recognition circuit includes a voice amplification circuit and a voice query recognition circuit, wherein the voice amplification circuit is configured to amplify an output voice signal and output the amplified output voice signal to the speaker, and the voice query recognition circuit is configured to initiate a voice query to the monitored object and obtain voice response information of the monitored object. When the system detects abnormal infrared gesture data of the human body, the voice query recognition circuit sends out voice query to the monitored object, and simultaneously starts a voice recognition function so as to judge the level of the current dangerous situation by detecting the speaking function of the monitored object. As shown in fig. 3, U4 is a voice recognition chip, and the model is US516P6, which has the functions of storing a voice segment to be played and recognizing a voice signal acquired through a microphone. U5 is an audio signal amplifying chip, the model is WT4890, and the function of the audio signal amplifying chip is to amplify the voice signal output by the voice recognition chip U4 and output the amplified voice signal to a loudspeaker (SPEAKER) for playing. When the infrared sensor control module detects that the human body posture is abnormal, pre-stored voices are played through a loudspeaker to inquire, corresponding response voice information is obtained, and the current dangerous condition level of the monitored object is primarily judged through the content, the voice size and other characteristics of the voice information.
Further, in a preferred embodiment of the present utility model, an alarm signal output module is also included in electrical communication with the microprocessor circuit module. The alarm signal output module comprises a voice alarm circuit and a light alarm circuit. The voice alarm signal output of the voice alarm circuit is arranged at the door of a room or a door of the room, and the light alarm signal output of the light alarm circuit is arranged at the door of the room or on a corridor, so that a guardian can rescue a monitored object in time.
Further, in the preferred embodiment of the present utility model, the visible light camera module includes a visible light camera module, an ambient light monitoring circuit and an LED light supplementing circuit, where the visible light camera module is configured to switch from a sleep state to a wake-up state when the microprocessor circuit module receives abnormal infrared gesture data and the voice recognition circuit cannot obtain voice information of the monitored object, i.e. collect a visible light image of the monitored object at the moment in the abnormal state, so that a guardian can conveniently view real image information in real time. The ambient light monitoring circuit is used for detecting ambient light, and when the ambient light intensity is lower than a threshold value, the microprocessor circuit module controls the ambient light monitoring circuit to start light supplementing so as to improve the shooting quality of visible light images. In the embodiment of the utility model, in order to protect the personal privacy of the monitored object, the visible light camera module is normally closed and is only opened in the abnormal state, so that the real visible light image of the monitored object in the abnormal state is obtained at low frequency, and the guardian can know the specific situation of the monitored object more clearly.
Further, in a preferred embodiment of the present utility model, as shown in fig. 4, the visible light camera module includes an image sensor U6 with a model number OV2640, wherein the image sensor U6 is connected with the microprocessor circuit module, the ambient light monitoring circuit includes an ambient light detection chip U8 with a model number BH1750, the ambient light detection chip U8 is connected with the microprocessor circuit module, the LED light supplementing circuit includes an LED driving chip U7 with a model number AL8843 and an LED lamp group connected with the LED driving chip U7, and the LED driving chip U7 is configured to receive a light emitting intensity PWM control signal sent by the microprocessor circuit module, and control a current flowing through the LED lamp group. The data communication module comprises an RJ45 and WIFI communication circuit and is used for sending currently acquired monitoring data, including visible light image data under abnormal conditions, to the holder control module. And when abnormal conditions occur, the cloud deck control module enables the monitored object to be positioned at the center of the field of view of the infrared image or the visible light image through the cloud deck control, so that a better monitoring effect is obtained. As shown in fig. 5, a circuit diagram of a microprocessor circuit module including a microprocessor chip of model PD5/USART2 is shown. In the embodiment of the utility model, the significance of controlling the luminous intensity of the LED lamp group through the ambient light monitoring circuit and the LED light supplementing circuit is as follows: the condition that can see the monitored object clearly through the visible light camera module can, can not be too bright, avoids light dazzling to influence the eye eyesight of monitored people possibly, leads to phenomenon such as the action of being monitored to save oneself is blocked, also can not be too dark, avoids excessively dark leading to the visible light camera module to shoot unclear concrete condition, also probably leads to the action of being monitored people because of light bad brings to be blocked.
In summary, the human body posture monitoring system is used for detecting the human body posture of a room of a nursing home, the human body posture of the elderly can be detected through the infrared sensor control module, privacy risks are avoided, when the infrared human body detection signal is abnormal, the visible light camera module is started to collect visible light images under abnormal conditions, privacy data such as portraits and bodies of users are collected at low frequency, privacy risks are reduced, and meanwhile the visible light images under abnormal conditions are collected.
While the basic principles, main features and advantages of the present utility model have been shown and described, it will be understood by those skilled in the art that the present utility model is not limited by the foregoing embodiments, which are described in the foregoing description as merely illustrative of the principles of the present utility model, various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined in the appended claims and their equivalents.
Claims (7)
1. The human body posture monitoring system based on the infrared sensor is characterized by comprising a power supply conversion module, a microprocessor circuit module, an infrared sensor control module, a visible light camera module, a voice recognition circuit module, a data communication module and a cradle head control module, wherein the infrared sensor control module, the visible light camera module, the voice recognition circuit module, the data communication module and the cradle head control module are respectively electrically connected with the microprocessor circuit module, the infrared sensor control module is used for acquiring human body infrared posture data of a monitored object and sending the human body infrared posture data to the microprocessor circuit module, and when the microprocessor circuit module receives abnormal infrared posture data and the voice recognition circuit module cannot acquire voice information of the monitored object, the microprocessor circuit module triggers the visible light camera module to acquire a current image picture of the monitored object and returns the current image picture to the cradle head control module.
2. The infrared sensor-based human posture monitoring system of claim 1, wherein the infrared sensor control module comprises an array infrared sensor.
3. The infrared sensor-based human body posture monitoring system of claim 1, wherein the voice recognition circuit module comprises a voice amplification circuit and a voice query recognition circuit, wherein the voice amplification circuit is used for amplifying the output voice signal and outputting the amplified signal to a loudspeaker, and the voice query recognition circuit is used for initiating voice query to the monitored object and acquiring voice response information of the monitored object.
4. The infrared sensor-based human posture monitoring system of claim 1, further comprising an alarm signal output module electrically connected to the microprocessor circuit module.
5. The infrared sensor-based human posture monitoring system of claim 4, wherein the alarm signal output module comprises a voice alarm circuit and a light alarm circuit.
6. The infrared sensor-based human body posture monitoring system according to claim 1, wherein the visible light camera module comprises a visible light camera module, an ambient light monitoring circuit and an LED light supplementing circuit, the visible light camera module is used for switching from a dormant state to an awake state when the microprocessor circuit module receives abnormal infrared posture data and the voice recognition circuit cannot acquire voice information of a monitored object, the ambient light monitoring circuit is used for detecting ambient light, and the microprocessor circuit module is used for controlling the ambient light monitoring circuit to start light supplementing when the ambient light intensity is lower than a threshold value.
7. The infrared sensor-based human body posture monitoring system of claim 6, wherein the visible light camera module comprises an image sensor U6 with a model number OV2640, the image sensor U6 is connected with the microprocessor circuit module, the ambient light monitoring circuit comprises an ambient light detection chip U8 with a model number BH1750, the ambient light detection chip U8 is connected with the microprocessor circuit module, the LED light supplementing circuit comprises an LED driving chip U7 with a model number AL8843 and an LED lamp set connected with the LED driving chip U7, and the LED driving chip U7 is used for receiving a light intensity PWM control signal sent by the microprocessor circuit module and controlling current flowing through the LED lamp set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322109594.7U CN220833024U (en) | 2023-08-07 | 2023-08-07 | Human body posture monitoring system based on infrared sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322109594.7U CN220833024U (en) | 2023-08-07 | 2023-08-07 | Human body posture monitoring system based on infrared sensor |
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| Publication Number | Publication Date |
|---|---|
| CN220833024U true CN220833024U (en) | 2024-04-26 |
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| CN202322109594.7U Active CN220833024U (en) | 2023-08-07 | 2023-08-07 | Human body posture monitoring system based on infrared sensor |
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| CN (1) | CN220833024U (en) |
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- 2023-08-07 CN CN202322109594.7U patent/CN220833024U/en active Active
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