CN211236280U - Human body sensor based on infrared heat release detection and wireless communication technology - Google Patents
Human body sensor based on infrared heat release detection and wireless communication technology Download PDFInfo
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- CN211236280U CN211236280U CN201922168674.3U CN201922168674U CN211236280U CN 211236280 U CN211236280 U CN 211236280U CN 201922168674 U CN201922168674 U CN 201922168674U CN 211236280 U CN211236280 U CN 211236280U
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Abstract
The utility model relates to a human sensor based on detection and wireless communication technique are released to infrared heat, including inductor shell and internal circuit, be equipped with a plurality of louvres on inductor shell's the lateral wall, internal circuit includes that sensing module, wireless transmission module and power module are released to controller module, infrared heat, and sensing module is released to infrared heat is connected with controller module electricity, and controller module is connected with wireless transmission module electricity, and wireless transmission module and metal spiral antenna are connected. The utility model discloses simple structure, reasonable in design, simple to operate, through infrared heat release sensing module's level time delay, detect static human body, realized the accurate response to the human existence condition under the different operating modes, improved the precision of the existence condition judgement to indoor personnel; through setting up wireless transmitter and wireless receiver respectively, avoided the trouble of wiring in the construction, effectively practiced thrift manpower resources and material resource, promote indoor aesthetic measure, make things convenient for later maintenance.
Description
Technical Field
The utility model relates to a sensor response and signal transmission technical field especially relate to a human sensor based on infrared heat is released and is surveyed and wireless communication technique.
Background
In the fields of building automatic control, security protection and intelligent home, human body induction is an important device for controlling the operation of the whole system, and different control management strategies can be selected for corresponding equipment by sensing whether a human body exists or not. At present, a human body sensor is not sensitive to static human body induction, and a false alarm phenomenon exists; and the defects of time and labor consumption in construction, influence on indoor attractiveness, poor line maintainability and the like exist in the wired signal transmission.
Disclosure of Invention
The utility model aims at solving the defects of the prior art, and provides a human body inductor based on infrared heat release detection and wireless communication technology.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: a human body sensor based on infrared heat release detection and wireless communication technology comprises a sensor shell and an internal circuit, and is characterized in that the internal circuit is positioned in the sensor shell, a Fresnel lens is arranged at the top of the sensor shell, a plurality of heat dissipation holes are formed in the side wall of the sensor shell, a metal spiral antenna is installed on one side of the Fresnel lens and installed on the sensor shell, the internal circuit comprises a controller module, an infrared heat release sensing module, a wireless transmission module and a power module, the wireless transmission module, the controller module and the infrared heat release sensing module are all electrically connected with the power module, the power module is used for supplying power to the wireless transmission module, the controller module and the infrared heat release sensing module, the infrared heat release sensing module is electrically connected with the controller module, the controller module is electrically connected with the wireless transmission module, and the wireless transmission module is connected with the metal spiral antenna, the infrared heat release sensing module is positioned right below the Fresnel lens.
Fresnel lens is located inductor shell top central point department, and Fresnel lens utilizes the optics principle, and the energy range of reinforcing infrared ray makes the detection more sensitive.
The infrared heat release sensing module can be set in a repeated triggering mode, can set state holding time to be 12 minutes at most, and effectively improves indoor human body detection accuracy.
The wireless transmission module adopts 315/433 frequency electromagnetic wave communication, and has long signal distance and strong penetration capability.
The controller module adopts a single chip microcomputer of STC15F104W model to encode signals, and the single chip microcomputer of STC15F104W model is packaged by SOP8, so that the size is small, the stability is high, and the power consumption is low.
The bottom of the inductor shell is provided with a plurality of magnets, so that the inductor shell is convenient to fix.
The utility model has the advantages that: the utility model discloses simple structure, reasonable in design, simple to operate, through infrared heat release sensing module's level time delay, detect static human body, realized the accurate response to the human existence condition under the different operating modes, improved the precision of the existence condition judgement to indoor personnel; through setting up wireless transmitter and wireless receiver respectively, avoided the trouble of wiring in the construction, effectively practiced thrift manpower resources and material resource, promote indoor aesthetic measure, make things convenient for later maintenance.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a block diagram of an internal circuit;
FIG. 3 is a schematic diagram of the connection of the internal circuit;
in the figure: 1-an inductor housing; 2-a Fresnel lens; 3-heat dissipation holes; 4-a metal helical antenna;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in fig. 1 to 2, a human body sensor based on infrared heat release detection and wireless communication technology comprises a sensor housing 1 and an internal circuit, and is characterized in that the internal circuit is located in the sensor housing 1, a fresnel lens 2 is arranged on the top of the sensor housing 1, a plurality of heat dissipation holes 3 are arranged on the side wall of the sensor housing 1, a metal spiral antenna 4 is installed on one side of the fresnel lens 2, the metal spiral antenna 4 is installed on the sensor housing 1, the internal circuit comprises a controller module, an infrared heat release sensing module, a wireless transmission module and a power module, the wireless transmission module, the controller module and the infrared heat release sensing module are all electrically connected with the power module, the power module is used for supplying power to the wireless transmission module, the controller module and the infrared heat release sensing module, the infrared heat release sensing module is electrically connected with the controller module, the controller module is electrically connected with the wireless transmission module, the wireless transmission module is connected with the metal spiral antenna 4, and the infrared heat release sensing module is positioned under the Fresnel lens 2.
Fresnel lens 2 is located 1 top central point department of inductor casing, and Fresnel lens 2 utilizes the optics principle, and the energy range of reinforcing infrared ray makes the detection more sensitive.
The infrared heat release sensing module can be set in a repeated triggering mode, can set state holding time to be 12 minutes at most, and effectively improves indoor human body detection accuracy.
The wireless transmission module adopts 315/433 frequency electromagnetic wave communication, and has long signal distance and strong penetration capability.
The controller module adopts a single chip microcomputer of STC15F104W model to encode signals, and the single chip microcomputer of STC15F104W model is packaged by SOP8, so that the size is small, the stability is high, and the power consumption is low.
As shown in fig. 3, the power module is a module labeled as HT755, and the power module can output 12V voltage and 5V voltage, the 5V voltage output by the power module supplies power to the controller module and the infrared pyroelectric sensing module, the 12V voltage output by the power module supplies power to the wireless transmission module, an output Signal of a Signal of the infrared pyroelectric sensing module is electrically connected to an input Signal of the controller module, and an output Tx _1 of the controller module is electrically connected to a Tx _1 of the wireless transmission module.
The utility model discloses the during operation, after the human body got into the detection area, infrared heat was released sensing module and is given controller module with signalling, and the level time delay of releasing sensing module is released through infrared heat detects static human, and controller module sends wireless transmission module after with self sequence number and signal state code, and wireless transmission module drive metal helical antenna 4 sends electromagnetic wave signal. The Fresnel lens 2 enhances the energy amplitude of infrared rays by using an optical principle, so that detection is more sensitive.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.
Claims (5)
1. A human body sensor based on infrared heat release detection and wireless communication technology comprises a sensor shell (1) and an internal circuit, and is characterized in that the internal circuit is located in the sensor shell (1), a Fresnel lens (2) is arranged at the top of the sensor shell (1), a plurality of radiating holes (3) are formed in the side wall of the sensor shell (1), a metal spiral antenna (4) is installed on one side of the Fresnel lens (2), the metal spiral antenna (4) is installed on the sensor shell (1), the internal circuit comprises a controller module, an infrared heat release sensing module, a wireless transmission module and a power module, the wireless transmission module, the controller module and the infrared heat release sensing module are electrically connected with the power module, the power module is used for supplying power to the wireless transmission module, the controller module and the infrared heat release sensing module, and the infrared heat release sensing module is electrically connected with the controller module, the controller module is electrically connected with the wireless transmission module, the wireless transmission module is connected with the metal spiral antenna (4), and the infrared heat release sensing module is located under the Fresnel lens (2).
2. The human body sensor based on the infrared heat release detection and wireless communication technology according to claim 1, wherein the Fresnel lens (2) is located at the top center position of the sensor shell (1).
3. The human body sensor based on the infrared heat release detection and wireless communication technology as claimed in claim 1, wherein the infrared heat release sensing module can set a repetitive trigger mode.
4. The human body sensor based on infrared heat release detection and wireless communication technology of claim 1, wherein the wireless transmission module adopts 315/433 frequency electromagnetic wave communication.
5. The human body sensor based on infrared heat release detection and wireless communication technology of claim 1, wherein the controller module adopts a single chip microcomputer of STC15F104W model to encode signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922168674.3U CN211236280U (en) | 2019-12-06 | 2019-12-06 | Human body sensor based on infrared heat release detection and wireless communication technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922168674.3U CN211236280U (en) | 2019-12-06 | 2019-12-06 | Human body sensor based on infrared heat release detection and wireless communication technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211236280U true CN211236280U (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922168674.3U Active CN211236280U (en) | 2019-12-06 | 2019-12-06 | Human body sensor based on infrared heat release detection and wireless communication technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211236280U (en) |
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2019
- 2019-12-06 CN CN201922168674.3U patent/CN211236280U/en active Active
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