CN218332347U - Intelligent power saving device based on Internet of things technology - Google Patents
Intelligent power saving device based on Internet of things technology Download PDFInfo
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- CN218332347U CN218332347U CN202222672698.4U CN202222672698U CN218332347U CN 218332347 U CN218332347 U CN 218332347U CN 202222672698 U CN202222672698 U CN 202222672698U CN 218332347 U CN218332347 U CN 218332347U
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- microcontroller
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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
Abstract
The utility model discloses an intelligent power saving device based on the technology of Internet of things; the device includes: the device comprises a power supply, a microcontroller, a human body infrared detector, a relay and a contactor; wherein: the power supply supplies power to the microcontroller; the human body infrared detector detects the information of the number of people entering a target monitoring area and transmits the information of the number of people to the microcontroller for judgment processing; the microcontroller sends corresponding control signals to the relay according to the information of the number of people; the relay is respectively connected with the microcontroller and the contactor, and receives a control signal of the microcontroller to conduct or break so as to correspondingly electrify or cut off a coil of the contactor; the contactor is connected with a corresponding control lighting circuit in a target monitoring area, and a coil of the contactor is powered on or powered off to enable lighting equipment connected on the lighting circuit to be turned on or turned off; the power saving device can control the lighting equipment to be turned on according to the information of the number of people entering the target area, so that the utilization rate of electricity is improved, and the waste of lighting electric energy is effectively avoided.
Description
Technical Field
The utility model belongs to the technical field of power saving device, in particular to intelligence power saving device based on internet of things.
Background
At present, in some regional places, when no person or few persons move, the lighting equipment is always turned on, and a serious electric energy waste phenomenon exists, such as a school classroom; by carrying out electricity consumption statistics on a university teaching building in the time periods of 21-22; the electric energy waste phenomenon is serious.
The prior art does not have a device for correspondingly turning on the lighting devices according to the number of people entering the area, so how to turn on the corresponding lighting devices according to the number of people, the utilization rate of electricity is improved, the waste of lighting electric energy is avoided, and the technical problem to be solved by technical personnel in the field is urgently needed.
Disclosure of Invention
In view of this, the utility model provides an solve an intelligent power saving device based on internet of things of above-mentioned partial technical problem at least, this power saving device can improve the power utilization rate according to opening of getting into the regional number information control lighting apparatus of target, has effectively avoided the illumination electric energy extravagant.
In order to realize the purpose, the utility model adopts the following technical scheme:
an intelligent power saving device based on internet of things technology, the device comprises: the device comprises a power supply, a microcontroller, a human body infrared detector, a relay and a contactor; wherein:
the power supply is connected with the microcontroller and is used for supplying power to the microcontroller;
the human body infrared detector is connected with the microcontroller and is used for detecting information of the number of people entering a target monitoring area and transmitting the information of the number of people to the microcontroller for judgment and processing;
the microcontroller sends a corresponding control signal to the relay according to the information of the number of people;
the relay is respectively connected with the microcontroller and the contactor and is used for receiving a control signal of the microcontroller to be conducted or disconnected so as to enable a coil of the contactor to be correspondingly electrified or powered off;
the contactor is connected with a corresponding control lighting circuit in the target monitoring area, and the coil of the contactor is powered on or powered off to enable lighting equipment connected on the lighting circuit to be turned on or turned off.
Further, the apparatus further comprises: the communication module is connected with the microcontroller and is used for providing the microcontroller with a function of wireless communication with external equipment.
Further, the power supply is a power supply module converting 220V AC to 5V DC.
Further, the microcontroller is a microcontroller with an STM32 single chip microcomputer.
Furthermore, the human body infrared detector adopts a double-unit pyroelectric probe and an RCWL-9196 chip.
Furthermore, the communication module is a bluetooth + WiFi integrated ESP32 dual-core wireless communication module.
Compared with the prior art, the beneficial effects of the utility model include at least:
(1) The utility model provides an intelligent power saving device based on the technology of the internet of things, which adopts mature products such as a relay, a contactor and a human body infrared detector to design and reform a local circuit, and has simple, stable and reliable structure and convenient and fast installation; the indoor distribution box is characterized in that the indoor distribution box is only installed and modified at the input end or the output end of the indoor distribution box, circuit management and control are carried out on the basis of an original circuit, and the phenomena of energy waste and ineffective energy consumption are effectively reduced.
(2) The utility model provides a pair of intelligent power saving device based on internet of things has the radio communication function, utilizes internet of things can be connected with the peripheral hardware and constitutes control system, and the function extension of being convenient for can carry out intelligent management and control to the regional power consumption of target, helps economize on electricity and reduces discharging.
(3) The utility model provides a pair of intelligent power saving device based on internet of things based on human infrared detector and microcontroller, can realize controlling lighting circuit through human infrared detection data to opening or closing according to the number information control lighting apparatus who gets into the target area, thereby improved the power utilization ratio, effectively avoided the illumination electric energy extravagant.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is the utility model provides a pair of intelligent power saving device's based on internet of things's technology structural block diagram.
Fig. 2 is a schematic circuit diagram of the human body infrared detector of the present invention.
Fig. 3 is a schematic diagram of a circuit board of the microcontroller according to the present invention.
Fig. 4 is the circuit diagram of the STM32 single chip microcomputer of the microcontroller of the present invention.
Fig. 5 is a frame diagram of the intelligent power-saving control system formed by the present invention and peripheral devices.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further described with reference to the following embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", 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 and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," 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 invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 as a specific case by those skilled in the art.
Referring to fig. 1, an embodiment of the utility model provides an intelligence power saving device based on internet of things specifically includes: the device comprises a power supply, a microcontroller, a human body infrared detector, a relay and a contactor; the power supply, the microcontroller, the relay and the contactor can be installed at the input end or the output end of a distribution box of a target room, and the power supply, the microcontroller, the relay and the contactor are installed at the input end and can control the on-off of a circuit system of the whole classroom; the installation output end can intelligently control a specific power line according to signals such as the number of people who specifically enter a room and the like, which can turn on and off the corresponding lighting line according to the number of people who specifically enter the room.
In this embodiment, the power supply preferably adopts a 220V ac to 5V dc power supply module, the input of the power supply is connected to 220V ac mains supply, the output of the power supply is connected to the microcontroller, and the power supply is used for supplying power for the operation of the microcontroller.
The human body infrared detector is connected with the microcontroller; the human body infrared detector adopts a double-unit pyroelectric probe and an RCWL-9196 chip; the RCWL-9196 chip is internally integrated with a low voltage difference of 30V withstand voltage and can work within a wide range of 3-30V; the circuit principle of the human body infrared detector is shown in fig. 2, a human body has a basically constant body temperature which is generally 37 ℃, so that infrared rays with a specific wavelength of about 10UM can be emitted, a probe works by detecting the infrared rays with the wavelength of about 10UM emitted by the human body, and the infrared rays with the wavelength of about 10UM emitted by the human body are concentrated on the infrared detector (PIR) after being enhanced by a non-sier filter; the infrared detector adopts a pyroelectric element, the pyroelectric element loses charge balance when receiving the change of the infrared radiation temperature of a human body, charges are released outwards, and a subsequent circuit can generate a corresponding signal to be transmitted to the microcontroller after detection processing. The human body infrared detector is preferably installed on a wall near the entrance, and the detection range is a maximum 14m diameter area; the human body infrared detector detects the information of the number of people entering the target monitoring area, and transmits the acquired information of the number of people to the microcontroller for judgment and processing.
The microcontroller is the microcontroller who mainly has the STM32 singlechip, and the circuit welding of STM32 singlechip and microcontroller can refer to relevant prior art can, and it need not be repeated here. The circuit board of the microcontroller is shown in fig. 3; the STM32 singlechip is specifically STM32F103C8T6 type singlechip, has 32 general IO interfaces, and its circuit diagram is as shown in FIG. 4, and microcontroller can issue corresponding control signal in the relay after handling according to the number of people information that human infrared detector detected.
The relay and the contactor adopt the existing small-sized intermediate relay and the existing AC contactor on the market, and the circuit connection relation of the relay and the contactor can be known from the prior art, and is not described again; in the embodiment, the relay is respectively connected with the microcontroller and the contactor, receives a control signal of the microcontroller to conduct or break, and transmits the signal to the contactor, so that a coil of the contactor is correspondingly electrified or powered off; when the coil of the contactor is electrified, the coil current can generate a magnetic field, and the generated magnetic field enables the static iron core to generate electromagnetic attraction to attract the movable iron core; when the coil is powered off, the electromagnetic attraction disappears, so that the contact is restored to achieve the effect of powering on and powering off; the contactor is connected with a corresponding control lighting circuit in the target monitoring area, and the coil of the contactor is powered on or powered off to enable lighting equipment connected on the lighting circuit to be turned on or turned off.
Furthermore, the embodiment of the utility model provides an intelligent power saving device based on internet of things further comprises a communication module, the communication module adopts the existing mature bluetooth + WiFi integrated ESP32 dual-core wireless communication module, two wireless transmission technologies are used comprehensively, and the wireless transmission scene is widely and generally; the communication module is connected with the microcontroller, and the communication module provides the microcontroller with the function of wireless communication with peripheral equipment.
When the device works specifically, a power supply is connected with a power supply interface of a controller to supply power to the controller, as shown in fig. 3, a human body infrared detector is connected with a B9 interface, a B3 interface and a G interface of a microcontroller, a relay is connected with a 3.3V interface and the G interface of the microcontroller, and a communication module is connected with an A9 interface, an A10 interface, a 3.3V interface and the G interface of the microcontroller, namely, the connection with a corresponding interface on an STM32 singlechip as shown in fig. 4 is realized; corresponding connections are also available from the prior art.
In this embodiment, the number of the human body infrared detectors, the relays, and the contactors may be set according to actual needs, and is not limited specifically herein.
Further, as shown in fig. 5, the device can also be preferably connected with a cloud server and a mobile terminal in a wireless communication manner to form an intelligent power-saving control system; the cloud server is connected with the microcontroller through the communication module and is used for storing and processing data uploaded by the microcontroller in real time; the mobile terminal is respectively connected with the microcontroller and the cloud server through the communication module, the mobile terminal can be a mobile phone, a computer, a tablet and the like, the mobile terminal is provided with an APP developed based on the related prior art, a manager can look up specific electricity utilization rooms, the number of people entering the rooms, the specific circuit opening number and the like in real time on the APP, specific setting parameters (such as timing opening and closing, number threshold setting and the like) can be remotely modified on the APP, and data analysis and sorting are carried out through the cloud server; in addition, the relay and the contactor are installed at a switch (a distribution box) to control corresponding lines, and then remote intelligent management is realized.
The working principle of the device is described as follows:
when a person enters a target monitoring area, the human body infrared detector detects information of the person, the device controls to turn on a first lighting line, all lighting lines in the area cannot be turned on at the moment, and the person moves at a position with lighting; when the human body infrared detector detects that the number of people entering the area reaches more than 4 people (the specific number of people can be correspondingly modified according to the actual situation), the 2 nd lighting line is started, and the like, so that the purpose of saving electricity is achieved.
The power-saving device has low energy consumption and outstanding energy-saving and emission-reducing effects; the following takes the example that the intelligent power saving device based on the internet of things technology provided by this embodiment is installed in a classroom of a university as an example, to describe the power saving effect of the device:
6 infrared detection devices and matched devices thereof are installed in classrooms of a university, standard calculation is provided according to a carbon emission trading network, 16492t of standard coal can be saved if the carbon emission trading network is put into operation for one year, and the emission of 41106t of carbon dioxide, 1237kg of sulfur dioxide and 617kg of nitrogen oxides is reduced. If the method is widely popularized to various colleges and universities and other scenes, the emission of atmospheric environmental pollution can be effectively reduced every year.
The utility model discloses an intelligent power saving device based on internet of things carries out circuit design and device debugging through using a plurality of mature product devices at present, carries out network connection on information data collected by human body infrared sensing equipment and an indoor circuit control device, and realizes effective connection between the internet of things technology and the indoor circuit control; the intelligent control of the lighting power switch is realized, so that the purpose of controlling the power consumption of floors, buildings and target areas is achieved, the utilization rate of power consumption is improved, and the waste of lighting electric energy is effectively avoided; the device can be arranged at the input end or the output end of a distribution box of a room, the device is arranged at the input end and can control the on-off of a circuit system of the whole room, the installation output end can intelligently control a specific power line according to signals such as the number of people who specifically enter the room and the like through accurate infrared detection, and the corresponding lighting line can be opened and closed according to the number of people who specifically enter the room. The installation of the device can not carry out great change to original circuit, only installs the transformation at the input or the output of room block terminal, avoids the phenomenon of unable installation that causes because indoor circuit distributes complicacy. Through carrying out the analysis to indoor circuit, the later stage can be directed against different power consumption circuit installation and correspond information sensing equipment and carry out the function extension, if lighting circuit increases and installs illuminance and luminance check out test set, can realize the lighting system intelligent control on detection area daytime according to the detected data.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. The utility model provides an intelligence power saving device based on internet of things, its characterized in that, the device includes: the device comprises a power supply, a microcontroller, a human body infrared detector, a relay and a contactor; wherein:
the power supply is connected with the microcontroller and is used for supplying power to the microcontroller;
the human body infrared detector is connected with the microcontroller and is used for detecting the information of the number of people entering a target monitoring area and transmitting the information of the number of people to the microcontroller for judgment and processing;
the microcontroller sends a corresponding control signal to the relay according to the number information;
the relay is respectively connected with the microcontroller and the contactor, and is used for receiving a control signal of the microcontroller to be switched on or off so as to correspondingly switch on or off a coil of the contactor;
the contactor is connected with a corresponding control lighting circuit in the target monitoring area, and the coil of the contactor is powered on or powered off to enable lighting equipment connected on the lighting circuit to be turned on or turned off.
2. The intelligent power saving device based on the internet of things technology as claimed in claim 1, further comprising: the communication module is connected with the microcontroller and is used for providing the microcontroller with a function of wireless communication with external equipment.
3. The intelligent power saving device based on the internet of things technology as claimed in claim 1, wherein the power supply is a power supply module converting 220V ac to 5V dc.
4. The intelligent power saving device based on the technology of the internet of things as claimed in claim 1, wherein the microcontroller is a microcontroller with an STM32 single chip microcomputer.
5. The intelligent power saving device based on the internet of things technology as claimed in claim 1, wherein the human body infrared detector adopts a double-unit pyroelectric probe and an RCWL-9196 chip.
6. The intelligent power saving device based on the internet of things technology as claimed in claim 2, wherein the communication module is a bluetooth + WiFi integrated ESP32 dual-core wireless communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222672698.4U CN218332347U (en) | 2022-10-11 | 2022-10-11 | Intelligent power saving device based on Internet of things technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222672698.4U CN218332347U (en) | 2022-10-11 | 2022-10-11 | Intelligent power saving device based on Internet of things technology |
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| Publication Number | Publication Date |
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| CN218332347U true CN218332347U (en) | 2023-01-17 |
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| CN202222672698.4U Active CN218332347U (en) | 2022-10-11 | 2022-10-11 | Intelligent power saving device based on Internet of things technology |
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- 2022-10-11 CN CN202222672698.4U patent/CN218332347U/en active Active
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