CN115083083A - Intelligent home alarm device based on Internet of things technology - Google Patents
Intelligent home alarm device based on Internet of things technology Download PDFInfo
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- CN115083083A CN115083083A CN202210649013.6A CN202210649013A CN115083083A CN 115083083 A CN115083083 A CN 115083083A CN 202210649013 A CN202210649013 A CN 202210649013A CN 115083083 A CN115083083 A CN 115083083A
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- fixedly connected
- window frame
- window
- infrared sensor
- human body
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- 238000005516 engineering process Methods 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000004744 fabric Substances 0.000 claims description 13
- 239000011521 glass Substances 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000007654 immersion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/19—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Alarm Systems (AREA)
Abstract
The invention provides an intelligent home alarm device based on the technology of Internet of things, which comprises a window body assembly and a detection mechanism, wherein the window body assembly comprises a pre-buried plate body, a window frame, a box body and a storage plate; the detection mechanism comprises a warning lamp and a signal transceiver; according to the invention, the first human body infrared sensor and the second human body infrared sensor are used for respectively detecting the human body infrared data passing through the window frame, then the PLC is used for receiving the data of the second human body infrared sensor and the first human body infrared sensor, when the first human body infrared sensor and the second human body infrared sensor sequentially detect the data, the fact that a person personally crosses the window is judged, then an alarm is sent out through the warning lamp to alarm and drive away the person, and then the early warning information of the PLC is sent to the mobile terminal through the signal transceiver, so that the user is reminded, the safety protection performance of the window is further improved, and the situation that the person personally crosses the window is avoided.
Description
Technical Field
The invention relates to the technical field of intelligent home, in particular to an intelligent home alarm device based on the technology of the Internet of things.
Background
The intelligent home system utilizes advanced computer technology, network communication technology, intelligent cloud control, comprehensive wiring technology and medical electronic technology to integrate individual requirements according to the principle of human engineering, organically combines various subsystems related to home life such as security, light control, curtain control, gas valve control, information household appliances, scene linkage, floor heating, health care, epidemic prevention, security and the like together, and realizes the brand-new home life experience of people-oriented through networked comprehensive intelligent control and management;
traditional domestic window is when using, and the safety protection performance is relatively poor usually, and does not possess alarming function to lead to the thief to directly get into indoor burglary through turning over the window easily, and the switch mode is manually operation usually, and the limitation is great, and unable long-range control, for this reason, provides an intelligent house alarm device based on internet of things.
Disclosure of Invention
In view of this, embodiments of the present invention are intended to provide an intelligent home alarm device based on the internet of things technology, so as to solve or alleviate the technical problems in the prior art, and at least provide a beneficial choice.
The technical scheme of the embodiment of the invention is realized as follows: an intelligent home alarm device based on the Internet of things technology comprises a window body assembly and a detection mechanism, wherein the window body assembly comprises a pre-buried plate body, a window frame, a box body and a storage plate;
the detection mechanism comprises a warning lamp, a signal transceiver, a first human body infrared sensor, a second human body infrared sensor, a PLC (programmable logic controller), a relay and a loudspeaker;
the middle part of the lower surface of the embedded plate body is fixedly connected with a window frame, the inner side wall of the window frame is symmetrically and slidably connected with two window frames, one side of the lower surface of the embedded plate body is fixedly connected with an object placing plate, one side of the lower surface of the object placing plate is uniformly provided with a first human body infrared sensor, a second human body infrared sensor is uniformly arranged on the other side of the lower surface of the object placing plate, a warning lamp is arranged in the middle of one side of the lower surface of the embedded plate body, a signal transceiver is arranged on one side of the lower surface of the embedded plate body, a motor is arranged in the middle of the inner side wall of the embedded plate body, the output shaft of the motor penetrates through the inner side wall of the window frame and is fixedly connected with a gear, the tops of the two window frames are fixedly connected with racks, the outer side wall of the rack is connected to the inner side wall of the window frame in a sliding mode, and the outer side wall of the rack is connected with the outer side wall of the gear in a meshed mode.
Further preferably, the lower surface of the embedded plate body is fixedly connected with a box body, and a PLC is installed on one side of the inner side wall of the box body.
Further preferably, the middle part of the inner side wall of the box body is uniformly provided with a relay, and the electrical output end of the PLC is electrically connected with the electrical input end of the relay through a wire.
Further preferably, the window frame is provided with two guide rails symmetrically and fixedly connected to the bottom wall inside, and the inner side wall of the window frame is slidably connected to the outer side wall of the guide rails.
Further preferably, a loudspeaker is installed on one side of the inner side wall of the box body, and two glass plates are fixedly connected to the inner side walls of the window frames.
Further preferably, a water sensor is installed at the bottom of one side of the window frame, the signal output ends of the water sensor, the first human body infrared sensor, the second human body infrared sensor and the signal transceiver are electrically connected to the signal input end of the PLC through a wire, and the signal output end of the PLC is electrically connected to the signal input end of the signal transceiver through a wire.
Further preferably, the electrical output end of the PLC controller is electrically connected to the electrical input end of the speaker through a wire, and the electrical output end of the relay is electrically connected to the electrical input ends of the warning light and the motor through a wire.
Further preferably, one side top fixedly connected with receiver of window frame, the inside wall middle part fixedly connected with bracing piece of receiver, the lateral wall fixedly connected with extension spring of bracing piece, the one end fixedly connected with shading cloth of extension spring, the one end of shading cloth runs through inside wall and the fixedly connected with connecting plate of receiver, the lower surface middle part fixedly connected with magnetic pillar of connecting plate, one side bottom fixedly connected with stopper of window frame, the inside wall bottom fixedly connected with magnetic path of stopper, the magnetic pillar with magnetic path looks adaptation.
Due to the adoption of the technical scheme, the embodiment of the invention has the following advantages:
the method comprises the steps that human body infrared data penetrating through a window frame are detected through a first human body infrared sensor and a second human body infrared sensor respectively, then the data of the second human body infrared sensor and the data of the first human body infrared sensor are received through a PLC (programmable logic controller), when the first human body infrared sensor and the second human body infrared sensor sequentially detect the data, it is judged that a person personally crosses the window, then an alarm is sent through a warning lamp to alarm and drive the window away, and then early warning information of the PLC is sent to a mobile terminal through a signal transceiver, so that a user is reminded, the safety protection performance of the window is improved, and the situation that the person personally crosses the window is avoided;
according to the window frame remote control system, the instruction of the remote terminal is recorded into the PLC through the signal transceiver, then the PLC starts the motor to work according to the instruction, the output shaft of the motor drives the window frame to move through the gear and the rack, so that the window can be remotely controlled to be opened and closed according to actual requirements, manual operation is not needed, and the application range of the window is enlarged.
The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and following detailed description.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a schematic longitudinal sectional view of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention;
FIG. 4 is a schematic top view of the present invention;
FIG. 5 is a schematic cross-sectional view of the storage case of the present invention;
FIG. 6 is a schematic cross-sectional view of the stopper of the present invention.
Reference numerals: 1. a window assembly; 2. a detection mechanism; 101. pre-burying a plate body; 102. a window frame; 103. a window frame; 104. a box body; 105. a storage plate; 201. a warning light; 202. a signal transceiver; 203. a first human body infrared sensor; 204. a second human body infrared sensor; 205. a PLC controller; 206. a relay; 207. a speaker; 41. a rack; 42. a gear; 43. a motor; 44. a glass plate; 45. a water immersion sensor; 46. a guide rail; 50. a storage box; 51. a limiting block; 52. a magnetic block; 53. a support bar; 54. a tension spring; 55. a shade cloth; 56. a connecting plate; 57. a magnetic column.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 6, an embodiment of the invention provides an intelligent home alarm device based on an internet of things technology, which includes a window assembly 1 and a detection mechanism 2, wherein the window assembly 1 includes a pre-buried plate 101, a window frame 102, a window frame 103, a box 104 and an object placing plate 105;
the detection mechanism 2 comprises a warning lamp 201, a signal transceiver 202, a first human body infrared sensor 203, a second human body infrared sensor 204, a PLC 205, a relay 206 and a loudspeaker 207;
fixedly connected with window frame 102 in the middle of the lower surface of embedded plate body 101, the inside wall symmetry sliding connection of window frame 102 has two window framves 103, embedded plate body 101's lower surface one side fixedly connected with puts thing board 105, put thing board 105's lower surface one side and evenly install first human infrared sensor 203, put thing board 105's lower surface opposite side and evenly install second human infrared sensor 204, embedded plate body 101's lower surface one side mid-mounting has warning light 201, signal transceiver 202 is installed to embedded plate body 101's lower surface one side, embedded plate body 101's inside wall mid-mounting has motor 43, the output shaft of motor 43 runs through inside wall and the fixedly connected with gear 42 of window frame 102, the equal fixedly connected with rack 41 in top of two window framves 103, the lateral wall sliding connection of rack 41 is in the inside wall of window frame 102, the lateral wall of rack 41 is connected with gear 42's lateral wall meshing.
In one embodiment, the other side of the lower surface of the embedded plate 101 is fixedly connected with the box body 104, and a PLC controller 205 is installed on one side of the inner side wall of the box body 104; the upper surface of the box body 104 is provided with a supporting force by the embedded plate body 101.
In one embodiment, the relays 206 are uniformly installed in the middle of the inner side wall of the box 104, and the electrical output end of the PLC controller 205 is electrically connected to the electrical input end of the relays 206 through a wire; the opening and closing of the relay 206 is controlled by the PLC controller 205.
In one embodiment, two guide rails 46 are symmetrically and fixedly connected to the inner bottom wall of the window frame 102, and the inner side wall of the window frame 103 is slidably connected to the outer side wall of the guide rails 46; the window frame 103 is guided by the guide rail 46.
In one embodiment, a speaker 207 is installed on one side of the inner side wall of the box body 104, and glass plates 44 are fixedly connected to the inner side walls of the two window frames 103; the PLC 205 starts the loudspeaker 207 to broadcast voice and drives away voice.
In one embodiment, the water sensor 45 is installed at the bottom of one side of the window frame 102, the water sensor 45, the first human body infrared sensor 203, the second human body infrared sensor 204 and the signal output end of the signal transceiver 202 are electrically connected to the signal input end of the PLC controller 205 through wires, and the signal output end of the PLC controller 205 is electrically connected to the signal input end of the signal transceiver 202 through wires; data from the water immersion sensor 45, the first human body infrared sensor 203, the second human body infrared sensor 204 and the signal transceiver 202 are received by the PLC controller 205.
In one embodiment, the electrical output terminal of the PLC controller 205 is electrically connected to the electrical input terminal of the speaker 207 through a wire, and the electrical output terminal of the relay 206 is electrically connected to the electrical input terminals of the warning light 201 and the motor 43 through a wire; the turn-on and turn-off of the warning lamp 201 and the motor 43 are controlled by the relay 206.
In one embodiment, the top of one side of the window frame 102 is fixedly connected with the storage box 50, the middle part of the inner side wall of the storage box 50 is fixedly connected with the support rod 53, the outer side wall of the support rod 53 is fixedly connected with the tension spring 54, one end of the tension spring 54 is fixedly connected with the shading cloth 55, one end of the shading cloth 55 penetrates through the inner side wall of the storage box 50 and is fixedly connected with the connecting plate 56, the middle part of the lower surface of the connecting plate 56 is fixedly connected with the magnetic column 57, the bottom of one side of the window frame 102 is fixedly connected with the limiting block 51, the bottom of the inner side wall of the limiting block 51 is fixedly connected with the magnetic block 52, and the magnetic column 57 is matched with the magnetic block 52; the magnetic column 57 and the shading cloth 55 are driven to move by moving the connecting plate 56, and the moving shading cloth 55 drives the supporting rod 53 to contract, so that the shading cloth 55 is drawn out from the storage box 50 to shade the window.
In one embodiment, a switch set for turning on and off the PLC controller 205, the signal transceiver 202, the first human body infrared sensor 203, the second human body infrared sensor 204 and the water sensor 45 is installed at one side of the box 104, and the switch set is connected to an external commercial power to supply power to the PLC controller 205, the signal transceiver 202, the first human body infrared sensor 203, the second human body infrared sensor 204 and the water sensor 45.
In one embodiment, PLC controller 205 is model DF-96D; the signal transceiver 202 has a model number DMX 512; the model of the first human body infrared sensor 203 and the second human body infrared sensor 204 is MIK-AL-10; the water sensor 45 is model VMS-3002-SJ.
The invention is in operation: the PLC controller 205, the signal transceiver 202, the first human body infrared sensor 203, the second human body infrared sensor 204 and the water sensor 45 are started to work through the switch group, the working first human body infrared sensor 203 and the working second human body infrared sensor 204 respectively detect human body infrared data passing through the window frame 102, then the water sensor 45 detects whether raining occurs, then the PLC controller 205 receives data of the first human body infrared sensor 203, the second human body infrared sensor 204 and the water sensor 45, when the second human body infrared sensor 204 and the first human body infrared sensor 203 sequentially detect human body infrared data, normal information is judged, when the first human body infrared sensor 203 and the second human body infrared sensor 204 sequentially detect human body infrared data, early warning information is judged, and then the PLC controller 205 starts the relay 206 to work, the working relay 206 starts the warning lamp 201 and the motor 43 to work, the working warning lamp 201 gives an alarm to drive away people crossing a window, then the early warning information of the PLC 205 is transmitted to the mobile terminal through the signal transceiver 202 for reminding, when a user receives the early warning information, voice data can be guided into the PLC 205 through the signal transceiver 202, then the speaker 207 is started through the PLC 205 for voice broadcasting, further voice driving is carried out, then the gear 42 is driven to rotate through the output shaft of the motor 43, the rotating gear 42 drives the window frame 103 to move through the rack 41, the moving window frame 103 guides the window frame 103 by sliding on the guide rail 46, so that the window is closed through the moving window frame 103, the safety protection performance of the window is improved, when the signal transceiver 202 receives an instruction of a remote terminal or the water logging sensor 45 detects rain, the motor 43 is started to work through the PLC 205 and the relay 206, so that the window frame 103 is driven by the working motor 43 to close the window, the window can be remotely controlled to be opened and closed according to actual requirements, manual operation is not needed, the application range of the window is increased, the window can be automatically closed when raining, rainwater is prevented from falling into a room through the window, when the window needs to be shielded, the magnetic column 57 and the shading cloth 55 are driven to move through the movable connecting plate 56, the movable shading cloth 55 drives the supporting rod 53 to contract, the shading cloth 55 is drawn out from the storage box 50 to shield the window, then the magnetic column 57 is inserted into the limiting block 51, one end of the magnetic column 57 is adsorbed through the magnetic block 52, the magnetic column 57 is limited in the limiting block 51, a curtain does not need to be additionally arranged for the window independently, and construction cost is saved, the device not only improves the safety protection performance of the window, avoids the situation that someone turns over the window privately, but also avoids the situation that rainwater falls into the room through the window.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various changes or substitutions within the technical scope of the present invention, and these should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (8)
1. The utility model provides an intelligent house alarm device based on internet of things, includes window form subassembly (1) and detection mechanism (2), its characterized in that: the window body assembly (1) comprises a pre-buried plate body (101), a window frame (102), a window frame (103), a box body (104) and an object placing plate (105);
the detection mechanism (2) comprises a warning lamp (201), a signal transceiver (202), a first human body infrared sensor (203), a second human body infrared sensor (204), a PLC (programmable logic controller) controller (205), a relay (206) and a loudspeaker (207);
the lower surface middle part of the embedded plate body (101) is fixedly connected with a window frame (102), the inner side wall of the window frame (102) is symmetrically and slidably connected with two window frames (103), one side of the lower surface of the embedded plate body (101) is fixedly connected with a storage plate (105), one side of the lower surface of the storage plate (105) is uniformly provided with a first human body infrared sensor (203), the other side of the lower surface of the storage plate (105) is uniformly provided with a second human body infrared sensor (204), the middle part of one side of the lower surface of the embedded plate body (101) is provided with a warning lamp (201), one side of the lower surface of the embedded plate body (101) is provided with a signal transceiver (202), the middle part of the inner side wall of the embedded plate body (101) is provided with a motor (43), an output shaft of the motor (43) penetrates through the inner side wall of the window frame (102) and is fixedly connected with a gear (42), and the tops of the two window frames (103) are fixedly connected with a rack (41), the outer side wall of the rack (41) is connected with the inner side wall of the window frame (102) in a sliding mode, and the outer side wall of the rack (41) is connected with the outer side wall of the gear (42) in a meshing mode.
2. The intelligent home alarm device based on the internet of things technology according to claim 1, wherein: the lower surface opposite side fixedly connected with box (104) of embedded plate body (101), PLC controller (205) is installed to the inside wall one side of box (104).
3. The intelligent home alarm device based on the internet of things technology according to claim 1, wherein: the relay (206) is evenly installed in the middle of the inner side wall of the box body (104), and the electrical output end of the PLC (205) is electrically connected to the electrical input end of the relay (206) through a wire.
4. The intelligent home alarm device based on the internet of things technology according to claim 1, wherein: two guide rails (46) are symmetrically and fixedly connected to the bottom wall of the interior of the window frame (102), and the inner side wall of the window frame (103) is connected to the outer side wall of the guide rails (46) in a sliding mode.
5. The intelligent home alarm device based on the internet of things technology according to claim 1, wherein: loudspeaker (207) are installed to the inside wall one side of box (104), two equal fixedly connected with glass board (44) of inside wall of window frame (103).
6. The intelligent home alarm device based on the internet of things technology according to claim 1, wherein: water sensor (45) is installed to one side bottom of window frame (102), the signal output part of water sensor (45), first human infrared sensor (203), second human infrared sensor (204) and signal transceiver (202) passes through wire electric connection in the signal input part of PLC controller (205), the signal output part of PLC controller (205) passes through wire electric connection in the signal input part of signal transceiver (202).
7. The intelligent home alarm device based on the internet of things technology according to claim 1, wherein: the electrical output end of the PLC (205) is electrically connected to the electrical input end of the loudspeaker (207) through a wire, and the electrical output end of the relay (206) is electrically connected to the electrical input ends of the warning lamp (201) and the motor (43) through wires.
8. The intelligent home alarm device based on the internet of things technology according to claim 1, wherein: one side top fixedly connected with receiver (50) of window frame (102), inside wall middle part fixedly connected with bracing piece (53) of receiver (50), lateral wall fixedly connected with extension spring (54) of bracing piece (53), the one end fixedly connected with shading cloth (55) of extension spring (54), inside wall and fixedly connected with connecting plate (56) of receiver (50) are run through to the one end of shading cloth (55), lower surface middle part fixedly connected with magnetic pillar (57) of connecting plate (56), one side bottom fixedly connected with stopper (51) of window frame (102), inside wall bottom fixedly connected with magnetic path (52) of stopper (51), magnetic pillar (57) with magnetic path (52) looks adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210649013.6A CN115083083A (en) | 2022-06-09 | 2022-06-09 | Intelligent home alarm device based on Internet of things technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210649013.6A CN115083083A (en) | 2022-06-09 | 2022-06-09 | Intelligent home alarm device based on Internet of things technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115083083A true CN115083083A (en) | 2022-09-20 |
Family
ID=83252214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210649013.6A Withdrawn CN115083083A (en) | 2022-06-09 | 2022-06-09 | Intelligent home alarm device based on Internet of things technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115083083A (en) |
-
2022
- 2022-06-09 CN CN202210649013.6A patent/CN115083083A/en not_active Withdrawn
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Application publication date: 20220920 |
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