CN215641878U - Dynamic and static human body infrared induction device - Google Patents
Dynamic and static human body infrared induction device Download PDFInfo
- Publication number
- CN215641878U CN215641878U CN202121353915.2U CN202121353915U CN215641878U CN 215641878 U CN215641878 U CN 215641878U CN 202121353915 U CN202121353915 U CN 202121353915U CN 215641878 U CN215641878 U CN 215641878U
- Authority
- CN
- China
- Prior art keywords
- infrared
- dynamic
- human body
- static human
- sensing device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The utility model discloses a dynamic and static human body infrared sensing device which comprises a single chip microcomputer, a dynamic infrared sensor and a driving mechanism, wherein the dynamic infrared sensor and the driving mechanism are electrically connected with the single chip microcomputer, the dynamic infrared sensor comprises an infrared probe used for receiving infrared rays, and the driving mechanism is positioned on one side of the infrared probe and used for driving the infrared probe to rotate. The dynamic and static human body infrared sensing device can realize the detection of dynamic human bodies and static human bodies, can improve the detection effect, enhances the practicability and improves the user experience.
Description
Technical Field
The utility model relates to the technical field of infrared induction, in particular to a dynamic and static human body infrared induction device.
Background
As is well known, human targets are the most important and active elements in the environment, and detecting, identifying and tracking human targets in a scene has been a hot spot of research. Infrared sensors, as one of many sensors for detecting human bodies, have been widely used in the fields of modern science and technology, national defense, industry, etc. due to their advantages of accurate sensing, stable performance, etc.
The working principle of the infrared sensor is as follows: when a human body passes through the detection area, the infrared sensor receives infrared rays radiated by the human body, and the infrared input quantity of the infrared sensor changes due to the movement of the human body, so that the human body induction is realized. Therefore, the current infrared sensor can only realize the detection of dynamic human bodies, but cannot detect certain specific scenes (such as the fact that the human body is located in a detection area and is still, the detection effect is influenced, the practicability is poor, and the user experience is poor.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a dynamic and static human body infrared sensing device, and aims to solve the technical problem that the existing infrared sensor cannot detect dynamic and static human bodies simultaneously.
In order to achieve the above purpose, the utility model provides a dynamic and static human body infrared sensing device, which comprises a single chip microcomputer, a dynamic infrared sensor and a driving mechanism, wherein the dynamic infrared sensor and the driving mechanism are electrically connected with the single chip microcomputer, the dynamic infrared sensor comprises an infrared probe for receiving infrared rays, and the driving mechanism is positioned on one side of the infrared probe and is used for driving the infrared probe to rotate.
Preferably, the infrared probe is connected with a return spring, the driving mechanism comprises an electromagnet electrically connected with the single chip microcomputer, and an iron sheet which is arranged opposite to the electromagnet and can move towards the electromagnet under the magnetic attraction of the electromagnet is installed on the infrared probe.
Preferably, the dynamic and static human body infrared sensing device further comprises an installation frame, the infrared probe and the electromagnet are arranged on the installation frame, and a reset spring fixing mechanism is correspondingly arranged on the installation frame.
Preferably, the return spring fixing mechanism comprises a fixing column, and the return spring is sleeved on the fixing column.
Preferably, the mounting frame is provided with a plurality of magnet blocks and connecting holes.
Preferably, the dynamic and static human body infrared sensing device further comprises a communication module electrically connected with the single chip microcomputer.
Preferably, the dynamic infrared sensor is a pyroelectric infrared sensor, and a lens is arranged on the pyroelectric infrared sensor.
The technical scheme of the embodiment of the utility model has the beneficial effects that:
the dynamic and static human body infrared sensing device can detect a dynamic human body through an infrared probe of a dynamic infrared sensor; and the infrared probe senses the human body for the last time, but when the dynamic human body is not detected, the driving mechanism drives the infrared probe to rotate for a plurality of angles and reset, whether a static human body exists or not is judged according to whether the infrared input quantity of the infrared probe changes or not, and the static human body detection is realized. Compared with the current infrared detection mode, the dynamic and static human body infrared sensing device can realize the detection of dynamic human bodies and static human bodies, can improve the detection effect, enhances the practicability and improves the user experience.
Drawings
Fig. 1 is a functional block diagram of an embodiment of the dynamic and static human body infrared sensing device of the present invention.
Detailed Description
In the following, the embodiments of the present invention will be described in detail with reference to the drawings in the following, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides a dynamic and static human body infrared sensing device, and referring to fig. 1, the dynamic and static human body infrared sensing device comprises a single chip microcomputer 10, a dynamic infrared sensor 20 and a driving mechanism, wherein the dynamic infrared sensor 20 is electrically connected with the single chip microcomputer 10, the dynamic infrared sensor 20 comprises an infrared probe 21 for receiving infrared rays, and the driving mechanism is positioned on one side of the infrared probe 21 and is used for driving the infrared probe 21 to rotate.
It is known that any object with temperature in nature can radiate infrared rays, but the wavelength of the radiated infrared rays is different, and the wavelength of the infrared rays (energy) radiated by a human body is mainly concentrated on about 10000 nm. The dynamic infrared sensor 20 may receive infrared rays radiated from a human body, the human body enters a detection range of the dynamic infrared sensor 20 and moves, and an infrared input amount of the dynamic infrared sensor 20 changes, thereby sensing the human body. Accordingly, the human infrared induction system of sound attitude that this embodiment provided is used for detecting the human body, and it includes singlechip 10, dynamic infrared sensor 20 and actuating mechanism, and dynamic infrared sensor 20 includes infrared probe 21, wherein: the dynamic infrared sensor 20 is electrically connected with the single chip microcomputer 10, and the driving mechanism is located on one side of the infrared probe 21 and used for driving the infrared probe 21 to rotate. The driving mechanism has various structural types, for example, a rotating shaft is provided, the driving mechanism comprises a motor electrically connected with the single chip microcomputer 10 and a transmission gear set, one gear of the transmission gear set is sleeved on the rotating shaft and can rotate on the rotating shaft, the other gear is fixed on an output shaft of the motor, and the infrared probe 21 is fixedly connected with the gear on the rotating shaft. Under the drive of the motor, the infrared probe 21 can be driven to rotate through the transmission of the transmission gear set. Of course, this is merely exemplary and not limiting, and other types of drive mechanism configurations may be provided.
The dynamic and static human body infrared sensing device can detect a dynamic human body through an infrared probe 21 of a dynamic infrared sensor 20; and the infrared probe 21 senses the human body for the last time, but when the dynamic human body is not detected this time, the driving mechanism drives the infrared probe 21 to rotate for a plurality of angles and reset, whether a static human body exists or not is judged according to whether the infrared input quantity of the infrared probe 21 changes, and the static human body detection is realized.
It is easy to understand that, when a person is in the detection range of the infrared probe 21 and the person is still, the infrared input quantity radiated by the human body and received by the infrared probe 21 is constant, the driving mechanism drives the infrared probe 21 to rotate for a plurality of angles and reset, the infrared input quantity changes, and thus a static human body is detected; when no person is in the detection range of the infrared probe 21, the driving mechanism drives the infrared probe 21 to rotate for a plurality of angles and reset, and the infrared input quantity of the infrared probe 21 is not changed, namely that no person is in the detection range. When a dynamic human body is detected before the infrared probe 21, the driving mechanism can drive the infrared probe 21 to rotate for a plurality of angles and reset after a plurality of preset seconds, so that the static human body detection is carried out, and whether the human body enters the detection range of the infrared probe 21 and then is still or not is detected.
Compared with the current infrared detection mode, the dynamic and static human body infrared sensing device can realize the detection of dynamic human bodies and static human bodies, can improve the detection effect, enhances the practicability and improves the user experience.
In a preferred embodiment, referring to fig. 1, the infrared probe 21 is connected to a return spring, the driving mechanism includes an electromagnet 30 electrically connected to the single chip microcomputer 10, and an iron sheet is mounted on the infrared probe 21, opposite to the electromagnet 30, and capable of moving toward the electromagnet 30 under magnetic attraction thereof. Specifically, the electromagnet 30 is energized based on the single chip microcomputer 10 to generate magnetism, so that the magnetic iron piece moves toward the electromagnet, and further the infrared probe 21 is driven to rotate, so as to change the detection angle of the infrared probe 21. After the electromagnet 30 is powered off and demagnetized, the iron sheet is far away from the electromagnet 30, and the infrared probe 21 is reset under the action of the reset spring. In this embodiment, the driving mechanism adopts the electromagnet 30, and has the advantages of simple assembly, reliable operation, low cost, and the like. Also, the return springs may be two springs arranged in parallel.
In a preferred embodiment, the dynamic and static human body infrared sensing device further comprises a mounting frame, the infrared probe 21 and the electromagnet 30 are arranged on the mounting frame, and a return spring fixing mechanism is correspondingly arranged on the mounting frame. Wherein, the installing frame is frame rack structure, and devices such as infrared probe 21 and electro-magnet 30 realize unified setting through the installing frame, compact structure improves the convenience of use.
Further, as preferred, reset spring fixed establishment includes the fixed column, and reset spring cover establishes on the fixed column.
In a preferred embodiment, the mounting frame is provided with a plurality of magnet blocks and connecting holes. In order to facilitate the disassembly and assembly of the intrinsic dynamic and static human body infrared sensing device, magnets and connecting holes are arranged on the mounting frame, so that the intrinsic dynamic and static human body infrared sensing device can be fixed on a support made of magnetically attractable metals such as iron through the magnet adsorption, and can be installed and fixed on a wall and other positions through the connecting holes by penetrating screws.
In a preferred embodiment, referring to fig. 1, the dynamic and static human body infrared sensing device further includes a communication module 40 electrically connected to the single chip microcomputer 10. Preferably, the communication module 40 adopts a wifi module, a zigbee module and/or a bluetooth module, and the single chip microcomputer 10 can be connected to the gateway through the communication module 40 to realize the connection between the dynamic and static human body infrared sensing device and the upper end server, and can receive the instruction of the server to set the relevant parameters.
In a preferred embodiment, the dynamic infrared sensor 20 is a pyroelectric infrared sensor, and a lens is disposed on the pyroelectric infrared sensor. Preferably, the dynamic infrared sensor 20 is a pyroelectric infrared sensor, and has low power consumption, good concealment, and low cost. The lens is a Fresnel lens which is used for gathering and concentrating infrared rays radiated by a human body so as to further improve the detection sensitivity and the detection distance. In addition, an optical filter can be added at the detection end of the pyroelectric infrared sensor to avoid light influence, a band-pass amplifier is arranged to amplify the output electric pulse signal, and a voltage comparator is arranged to prevent noise interference.
The above description is only a part of or preferred embodiments of the present invention, and neither the text nor the drawings should be construed as limiting the scope of the present invention, and all equivalent structural changes, which are made by using the contents of the present specification and the drawings, or any other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a sound state human infrared induction device, its characterized in that, including the singlechip, with singlechip electric connection's developments infrared sensor and actuating mechanism, developments infrared sensor is including being used for receiving infrared probe, actuating mechanism is located one side of infrared probe is in order to be used for the drive infrared probe rotates.
2. The dynamic and static human body infrared sensing device according to claim 1, wherein the infrared probe is connected with a return spring, the driving mechanism comprises an electromagnet electrically connected with the single chip microcomputer, and an iron sheet which is arranged opposite to the electromagnet and can move towards the electromagnet under the magnetic attraction of the electromagnet is installed on the infrared probe.
3. The dynamic and static human body infrared sensing device according to claim 2, further comprising a mounting frame, wherein the infrared probe and the electromagnet are arranged on the mounting frame, and a reset spring fixing mechanism is correspondingly arranged on the mounting frame.
4. The dynamic and static human body infrared sensing device according to claim 3, wherein the return spring fixing mechanism comprises a fixing column, and the return spring is sleeved on the fixing column.
5. The dynamic and static human body infrared induction device according to claim 3, wherein the mounting frame is provided with a plurality of magnet blocks and connecting holes.
6. The dynamic and static human body infrared sensing device according to claim 1, further comprising a communication module electrically connected with the single chip microcomputer.
7. The dynamic and static human body infrared sensing device according to claim 1, wherein the dynamic infrared sensor is a pyroelectric infrared sensor, and a lens is provided on the pyroelectric infrared sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121353915.2U CN215641878U (en) | 2021-06-17 | 2021-06-17 | Dynamic and static human body infrared induction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121353915.2U CN215641878U (en) | 2021-06-17 | 2021-06-17 | Dynamic and static human body infrared induction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215641878U true CN215641878U (en) | 2022-01-25 |
Family
ID=79944967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121353915.2U Active CN215641878U (en) | 2021-06-17 | 2021-06-17 | Dynamic and static human body infrared induction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215641878U (en) |
-
2021
- 2021-06-17 CN CN202121353915.2U patent/CN215641878U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2643841B1 (en) | A controller for use with a mechanical switch | |
| CN105444007A (en) | Intelligent LED lamp | |
| GB2453902A (en) | A sensor with selectable sensing orientation used for controlling an electrical device | |
| SE9800355L (en) | Portable communication device with a moving element and a sensor for detecting its position | |
| CN106094884B (en) | Intelligent energy-saving control device | |
| MXPA02005364A (en) | Electronic parking meter system. | |
| CN215641878U (en) | Dynamic and static human body infrared induction device | |
| CN201377448Y (en) | Intelligent electric fan | |
| FI126883B (en) | Security arrangements for firearms | |
| CN207409080U (en) | A kind of door magnetism device | |
| KR101361714B1 (en) | A lighting unit embaked microwave sensor | |
| CN211653175U (en) | Human body infrared induction device | |
| CN201004618Y (en) | Novel body induction switch | |
| CN103399351B (en) | Swing type active detecting people's body device of detection dynamic and static human body and detection method thereof | |
| CN210922503U (en) | Magnetic adsorption type knob | |
| CN111811664A (en) | Presence type human body induction sensor | |
| CN114660672A (en) | Human existence sensing device | |
| CN203502117U (en) | Passive type infrared full-static human body detection device based on relative motion | |
| CN107561992B (en) | Intelligent kitchen fixed heat source monitoring and reminding device and method | |
| Thu et al. | Security system with PIR sensor | |
| CN209215417U (en) | A kind of device in intelligent measurement human motion direction | |
| CN212482709U (en) | Presence type human body induction sensor | |
| CN219145363U (en) | Energy-saving inductive switch | |
| EP0907138A2 (en) | Off-axis object detection system for a portable bar code scanner | |
| CN213932912U (en) | Pressure transmitter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |