CN108470421B - Convenient outdoor smoke detection device and method thereof - Google Patents
Convenient outdoor smoke detection device and method thereof Download PDFInfo
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- CN108470421B CN108470421B CN201810282618.XA CN201810282618A CN108470421B CN 108470421 B CN108470421 B CN 108470421B CN 201810282618 A CN201810282618 A CN 201810282618A CN 108470421 B CN108470421 B CN 108470421B
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
- G08B17/113—Constructional details
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Abstract
The invention discloses a convenient outdoor smoke detection device and a method thereof, and the device comprises a mounting rack and a sensor shell, wherein the mounting rack comprises a fixed base, a storage box and a detector mounting rack, a storage battery, an electric lifting rod and a vibration sensor are arranged inside the storage box, the top of the electric lifting rod is fixedly connected with the center of the bottom of the detector mounting rack, the middle of the detector mounting rack is fixedly connected with the sensor shell, and the sensor shell comprises a PCB (printed circuit board) fixed shell, an upper protection cover, a lower protection cover, an upper ventilation cover and a lower ventilation cover. The sensor shell is arranged on the telescopic detector mounting frame, when the device receives vibration caused by external factors, the device automatically contracts, the detector mounting frame is retracted into the containing box, the probability that the wild beast damages the device is reduced, meanwhile, the sensor shell is divided into the upper detection part and the lower detection part, and the photoelectric smoke sensor and the ion smoke sensor are respectively adopted to detect smoke, so that the detection precision of the device is improved.
Description
Technical Field
The invention relates to the technical field of smoke detection, in particular to a convenient outdoor smoke detection device and a method thereof.
Background
The smoke alarm is a fire early warning device, is usually installed on a ceiling for household use, and can be communicated with an indoor fire extinguishing system to extinguish fire in time when a fire breaks out indoors, so that the loss of the fire is reduced as much as possible. For outdoor smoke alarm, because can't be like indoor large tracts of land installation fire extinguishing systems, usually only as to detect usefulness, in time discover dangerous situation and in time send the detected information to appointed signal receiving station, after receiving fire information, ground personnel take the measure of putting out a fire immediately, traditional outdoor fire alarm device, mostly place in the open air for a long time, because outdoor environment is changeable, it is more not to lack the factor, some outdoor smoke alarm device, can receive the interference of beast often, lead to the equipment damage, lead to the use cost to increase by a wide margin, and be difficult to guarantee long-time detection, therefore we improve this, provide a convenient outdoor smoke detection device and its method.
Disclosure of Invention
In order to overcome the defect of poor protection measures in the prior art, the invention provides a convenient outdoor smoke detection device and a method thereof.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention relates to a convenient outdoor smoke detection device, which comprises a mounting frame and a sensor shell, wherein the mounting frame comprises a fixed base, a storage box and a detector mounting frame, the storage box is fixedly arranged at the top of the fixed base, a storage battery, an electric lifting rod and a vibration sensor are arranged in the storage box, the electric lifting rod is electrically connected with the storage battery through the vibration sensor, the top of the electric lifting rod is fixedly connected with the center of the bottom of the detector mounting frame, the middle part of the detector mounting frame is fixedly connected with the sensor shell, a solar photovoltaic panel is arranged at the top of the detector mounting frame, the solar photovoltaic panel is electrically connected with the storage battery, the sensor shell comprises a PCB fixing shell, an upper protective cover, a lower protective cover, an upper ventilation cover and a lower ventilation cover, and the upper protective cover and the lower protective cover are respectively installed at the upper side and the lower side of the PCB, the upper-layer ventilation hood and the lower-layer ventilation hood are respectively in threaded connection with the top of the upper-layer protection hood and the bottom of the lower-layer protection hood, a double-sided PCB is mounted in the PCB fixing shell, a control module, a detection circuit, a power circuit, a GPS positioning module and a wireless transmission module are integrated on the double-sided PCB and are respectively electrically connected with the control module, the double-sided PCB is electrically connected with a storage battery through the power circuit, a photoelectric smoke sensor is arranged at the top of the double-sided PCB, an ionic smoke sensor is arranged at the bottom of the double-sided PCB, a fan is symmetrically embedded in the surface of the PCB fixing shell, and a through hole communicated with a sensor shell is formed in an air suction port of the fan; the fan is electrically connected with the storage battery through a lead.
Further, photoelectric smoke transducer contains optics maze cover, infrared transmitting tube and infrared receiving tube set up relatively and install in the inside of optics maze cover, ionic smoke transducer contains ion chamber, two parallel arrangement's conductor and americium-radiation source, the bottom center of ion chamber is arranged in to americium-radiation source, conductor fixed mounting is on the inner wall of ion chamber, infrared transmitting tube and power supply circuit electric connection, infrared receiving tube and conductor all with detection circuitry electric connection.
Furthermore, the surface of containing box inlays and is equipped with flush mounting plate of switch, flush mounting plate of switch passes through the wire respectively with electric lift pole, photoelectric type smoke transducer and ion formula smoke transducer electric connection.
Furthermore, an iron sheet is laid on the surface of the box body of the storage box.
Further, the sensor shell is made of fireproof materials, and a sealing rubber ring is bonded to the bottom of the solar photovoltaic panel.
Furthermore, the type of the vibration sensor is a Bl-600 type vibration sensor, the photoelectric smoke sensor adopts a JTY-GD-802 type photoelectric smoke sensor, and the ion type smoke sensor adopts an NIS-07 type ion type smoke sensor.
A convenient outdoor smoke detection method sequentially comprises the following steps:
s1: the device is installed, the device is carried outdoors, the device is vertically placed upwards in a horizontal open position, the electric lifting rod is driven through the switch panel, the electric lifting rod extends to jack up the detector installation frame, and the sensor shell is directly contacted with the outside air;
s2: the method comprises the steps of testing a smoke device by using a smoke simulator, wherein the smoke simulator is particularly an YWQ-1500F intelligent smoke simulator, and when smoke is sucked into a sensor shell, observing whether a mobile terminal can receive alarm information sent by equipment or not, wherein the alarm information comprises position information sent by a GPS positioning module and smoke alarm information detected by a photoelectric smoke sensor and an ionic smoke sensor;
s3: the vibration test is carried out, after the detection performance of the equipment is confirmed to be good, external force is applied to the equipment to enable the equipment to move, whether the vibration of the equipment can be detected by the vibration sensor under the condition that the equipment is subjected to the external force is observed, so that the electric lifting rod is driven to contract, the detector mounting frame is retracted into the containing box, and the equipment is protected to a certain extent;
s4: the tightness test is carried out, after the normal operation of the vibration sensor is confirmed, whether the contracted sealing rubber ring at the bottom of the solar photovoltaic panel is clamped with the top opening of the containing box or not is observed;
s5: and (4) regular inspection, namely, after the equipment is placed, the equipment needs to be periodically overhauled.
Compared with the prior art, the invention has the following beneficial effects: this kind of convenient outdoor smog detecting device and method, sensor housing arranges in on a telescopic detector mounting bracket, when setting up the vibrations that receive external factor and lead to, equipment automatic contraction says that the detector mounting bracket is received in the containing box, reduces the probability that the beast damaged equipment, and simultaneously, sensor housing divide into two upper and lower detection parts, and adopts photoelectric smoke transducer, ionic type smoke transducer to detect smog respectively, has improved the detection precision of equipment.
Drawings
The accompanying drawings, which 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 and not to limit the invention. In the drawings:
FIG. 1 is a first schematic diagram of the main structure of the device of the present invention;
FIG. 2 is a schematic diagram of the main structure of the apparatus of the present invention;
FIG. 3 is a schematic view of the sensor housing construction of the present invention;
fig. 4 is a flow chart of the operation of the present invention.
In the figure: 1. a mounting frame; 2. a sensor housing; 3. a fixed base; 4. a storage box; 5. a storage battery; 6. an electric lifting rod; 7. a shock sensor; 8. a solar photovoltaic panel; 9. a PCB board fixing shell; 10. an upper protective cover; 11. a lower layer protective cover; 12. an upper layer ventilation hood; 13. a lower layer ventilation hood; 14. a double-sided PCB board; 15. a control module; 16. a detection circuit; 17. a power supply circuit; 18. a GPS positioning module; 19. a wireless transmission module; 20. a photoelectric smoke sensor; 21. an ionic smoke sensor; 22. a fan; 23. a through hole; 24. a switch panel; 25. a detector mounting bracket; 26. and sealing the rubber ring.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-4, a convenient outdoor smoke detection device comprises a mounting frame 1 and a sensor housing 2, wherein the mounting frame 1 comprises a fixed base 3, a containing box 4 and a detector mounting frame 25, the containing box 4 is fixedly arranged on the top of the fixed base 3, a storage battery 5, an electric lifting rod 6 and a vibration sensor 7 are arranged inside the containing box 4, the electric lifting rod 6 is electrically connected with the storage battery 5 through the vibration sensor 7, the top of the electric lifting rod 6 is fixedly connected with the center of the bottom of the detector mounting frame 25, the middle of the detector mounting frame 25 is fixedly connected with the sensor housing 2, a solar photovoltaic panel 8 is arranged on the top of the detector mounting frame 25, the solar photovoltaic panel 8 is electrically connected with the storage battery 5, the sensor housing 2 comprises a PCB panel fixed shell 9, an upper protective cover 10, a lower protective cover 11, an upper ventilation cover 12 and a lower ventilation cover, an upper protection cover 10 and a lower protection cover 11 are respectively installed on the upper side and the lower side of a PCB fixing shell 9 in a threaded mode, an upper ventilation cover 12 and a lower ventilation cover 13 are respectively connected to the top of the upper protection cover 10 and the bottom of the lower protection cover 11 in a threaded mode, a double-sided PCB 14 is installed in the PCB fixing shell 9, a control module 15, a detection circuit 16, a power circuit 17, a GPS positioning module 18 and a wireless transmission module 19 are integrated on the double-sided PCB 14, the detection circuit 16, the power circuit 17, the GPS positioning module 18 and the wireless transmission module 19 are respectively and electrically connected with the control module 15, the double-sided PCB 14 is electrically connected with a storage battery 5 through the power circuit 17, a photoelectric smoke sensor 20 is arranged on the top of the double-sided PCB 14, an ion smoke sensor 21 is arranged on the bottom of the double-sided PCB fixing shell 9, fans 22 are symmetrically embedded on the; the fan 22 is electrically connected to the battery 5 through a lead.
The photoelectric smoke sensor 20 comprises an optical labyrinth cover, an infrared transmitting tube and an infrared receiving tube, wherein the infrared transmitting tube and the infrared receiving tube are oppositely arranged and are installed inside the optical labyrinth cover, the infrared transmitting tube transmits infrared rays, when smoke enters the optical labyrinth cover, the infrared rays are reflected, the infrared receiving tube receives the infrared rays, and therefore an electrical signal is sent to the detection circuit 16, and smoke alarm is achieved; ion formula smoke sensor 21 contains the ion chamber, two parallel arrangement's conductor and americium 241-radiation source, the bottom center in the ion chamber is placed in to americium-241 radiation source, conductor fixed mounting is on the inner wall of ion chamber, the used radiating element americium 241 (Am 241) of ion chamber, intensity is about 0.8 little curie, be in the balanced state of electric field under the normal condition, can destroy this kind of balanced relation when smog gets into the ion chamber, the change of signal of telecommunication between the detection circuitry detection conductor realizes smog warning, infrared transmitting tube and power supply circuit 17 electric connection, infrared receiving tube and conductor all with detection circuitry 16 electric connection.
Wherein, storage box 4's surface inlays and is equipped with flush mounting plate of switch 24, flush mounting plate of switch 24 pass through the wire respectively with electric lift pole 6, photoelectric type smoke transducer 20 and ion formula smoke transducer 21 electric connection, can carry out manual control to equipment through flush mounting plate of switch 24, makes things convenient for the staff to contract equipment, removes and carries.
Wherein, the iron sheet has been laid on the surface of containing box 4 box, improves equipment's envelope intensity, protects the detector element of placing inside.
Wherein, sensor housing 2 is made by the fire prevention material, and the bottom of solar photovoltaic board 8 bonds and has sealing rubber circle 26, and solar photovoltaic board 8 not only can regard as the power supply of equipment, also can shelter from for the detector simultaneously, avoids equipment to receive rain in the open air, and sealing rubber circle 26's primary importance is when equipment shrink, can reduce the gap at solar photovoltaic board and containing box top to improve the leakproofness.
The model of the vibration sensor 7 is a Bl-600 type vibration sensor, the sensor is sensitive in detection precision and timely in response, the photoelectric smoke sensor 20 is a JTY-GD-802 type photoelectric smoke sensor, the sensor is small in size and convenient to install, the ionic smoke sensor 21 is an NIS-07 type ionic smoke sensor, the structure of a detection precision ionization chamber of the sensor meets the requirements of UL 2179.5 on insect nets, and meanwhile, stainless steel, a polyacid ester material and metal palladium on the surface of an ionization source have high corrosion resistance.
A convenient outdoor smoke detection method is characterized by sequentially carrying out the following steps:
s1: the device is installed, the device is carried outdoors, the device is placed vertically upwards in a horizontal open place, the electric lifting rod 6 is driven through the switch panel 24, the electric lifting rod 6 extends to jack the detector installation frame 25, and the sensor shell 2 is directly contacted with the outside air;
s2: a smoke test, in which a smoke simulator is used for testing the smoke device, wherein the smoke simulator is specifically an YWQ-1500F intelligent smoke simulator, when smoke is sucked into the sensor shell 2, whether the mobile terminal can receive alarm information sent by equipment is observed, and the alarm information comprises position information sent by the GPS positioning module 18 and smoke alarm information detected by the photoelectric smoke sensor 20 and the ionic smoke sensor 21;
s3: the vibration test is carried out, after the detection performance of the equipment is confirmed to be good, external force is applied to the equipment to enable the equipment to move, and whether the vibration of the equipment can be detected by the vibration sensor 7 under the condition that the equipment is subjected to the external force is observed, so that the electric lifting rod 6 is driven to contract, the detector mounting frame 25 is retracted into the containing box 4, and the equipment is protected to a certain extent;
s4: the tightness test is carried out, after the normal operation of the vibration sensor 7 is confirmed, whether the sealing rubber ring 26 at the bottom of the contracted solar photovoltaic panel 8 is clamped with the top opening of the containing box 4 or not is observed;
s5: and (4) regular inspection, namely, after the equipment is placed, the equipment needs to be periodically overhauled.
The invention is a convenient outdoor smoke detection device and a method thereof, when in specific work, when moving equipment, the device can be controlled by a switch panel 24 to contract an electric lifting rod 6, a detector mounting rack 25 is retracted into a containing box 4, the occupied space of the equipment is reduced, the device is convenient for workers to carry and transport, the device is placed in an open and gentle zone, the device is vertically and upwards placed, the detector mounting rack 25 is lifted by the switch panel 24, at the moment, a sensor shell 2 is exposed in the air, the device absorbs solar energy through a solar photovoltaic panel 8 under the condition of illumination, the electric energy is stored in a storage battery 5 to supply power to the device, a fan 22 rotates under the electrified state of the device, the air intake of the sensor shell 2 is improved, a double-sided PCB 14 is arranged in the sensor shell 2, the double-sided PCB 14 is kept communicated with a battery 5 through a power supply circuit 17 printed in the device, photoelectric smoke sensors 20 and ionic smoke sensors 21 are respectively installed on two sides of a double-sided PCB 14, the photoelectric smoke sensors 20 and the ionic smoke sensors 21 are communicated with a detection circuit 16 on the double-sided PCB 14, the detection circuit 16 is communicated with a control module 15, the control module 15 is respectively connected with a GPS positioning module 18 and a wireless transmission module 19, when the equipment runs, a fire disaster occurs in a detection area, smoke enters a sensor shell 2 through an upper ventilation hood 12 and a lower ventilation hood 13, the photoelectric smoke sensors 20 and the ionic smoke sensors 21 detect the smoke information, the detection data are transmitted to the control module 15 through the detection circuit 16 after the smoke information is detected, the control module 15 responds, position information in the GPS positioning module 18 and the detected smoke information are transmitted outwards through the wireless transmission module 19, and a mobile terminal can timely arrange to go to the vicinity of a detector for rescue action after receiving the data, simultaneously because equipment need place for a long time in the open air, when receiving the beast attack, the vibrations of equipment can be caught to vibrations sensor 7 to drive electric lift pole 6, in electric lift pole 6 shrink was retrieved detector mounting bracket 25 into containing box 4, avoided the components and parts in sensor housing 2 and the sensor housing 2 to damage, improve equipment's self-defense ability.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A convenient outdoor smoke detection device comprises a mounting rack (1) and a sensor housing (2), and is characterized in that the mounting rack (1) comprises a fixed base (3), a containing box (4) and a detector mounting rack (25), the containing box (4) is fixedly mounted at the top of the fixed base (3), a storage battery (5), an electric lifting rod (6) and a vibration sensor (7) are arranged inside the containing box (4), the electric lifting rod (6) is electrically connected with the storage battery (5) through the vibration sensor (7), the top of the electric lifting rod (6) is fixedly connected with the bottom center of the detector mounting rack (25), the middle of the detector mounting rack (25) is fixedly connected with the sensor housing (2), and a solar photovoltaic panel (8) is arranged at the top of the detector mounting rack (25), the solar photovoltaic panel (8) is electrically connected with the storage battery (5), the sensor shell (2) comprises a PCB fixing shell (9), an upper protective cover (10), a lower protective cover (11), an upper ventilating cover (12) and a lower ventilating cover (13), the upper protective cover (10) and the lower protective cover (11) are respectively installed on the upper side and the lower side of the PCB fixing shell (9) in a threaded mode, the upper ventilating cover (12) and the lower ventilating cover (13) are respectively connected to the top of the upper protective cover (10) and the bottom of the lower protective cover (11) in a threaded mode, a double-sided PCB (14) is installed in the PCB fixing shell (9), a control module (15) and a detection circuit (16), a power circuit (17), a GPS positioning module (18) and a wireless transmission module (19) which are respectively and electrically connected with the control module (15) are integrated on the double-sided PCB (14), the double-sided PCB (14) is electrically connected with a storage battery (5) through a power circuit (17), the top of the double-sided PCB (14) is provided with a photoelectric smoke sensor (20), the bottom of the double-sided PCB (14) is provided with an ion smoke sensor (21), the surface of the PCB fixing shell (9) is symmetrically embedded with a fan (22), and a through hole (23) communicated with the sensor shell (2) is formed in an air suction opening of the fan (22); the fan (22) is electrically connected with the storage battery (5) through a lead;
photoelectric smoke transducer (20) contain optics maze cover, infrared transmitting tube and infrared receiving tube set up relatively and install in the inside of optics maze cover, ionic smoke transducer (21) contain ion chamber, two parallel arrangement's conductor and americium-241 radiation source, the bottom center of ion chamber is arranged in to americium-241 radiation source, conductor fixed mounting is on the inner wall of ion chamber, infrared transmitting tube and power supply circuit (17) electric connection, infrared receiving tube and conductor all with detection circuitry (16) electric connection.
2. A portable outdoor smoke detection device according to claim 1, wherein a switch panel (24) is embedded in the surface of said storage box (4), said switch panel (24) is electrically connected to said electric lifting rod (6), said photoelectric smoke sensor (20) and said ion smoke sensor (21) through wires.
3. A portable outdoor smoke detection device according to claim 1, wherein the surface of the housing of said container (4) is covered with iron sheet.
4. A portable outdoor smoke detection device according to claim 1, wherein said sensor housing (2) is made of fire proof material, and a sealing rubber ring (26) is adhered to the bottom of said solar photovoltaic panel (8).
5. A portable outdoor smoke detection device according to claim 1, wherein said shock sensor (7) is of the type Bl-600, said photoelectric smoke sensor (20) is of the type JTY-GD-802, and said ionic smoke sensor (21) is of the type NIS-07.
6. A convenient outdoor smoke detection method according to claim 1, characterised in that the following steps are performed in sequence:
s1: the device is installed, the device is carried outdoors, the device is placed vertically upwards in a horizontal open place, the electric lifting rod (6) is driven through the switch panel (24), the electric lifting rod (6) extends to jack up the detector installation frame (25), and the sensor shell (2) is directly contacted with the outside air;
s2: the smoke testing method comprises the steps that a smoke simulator is used for testing a smoke device, wherein the smoke simulator is particularly an YWQ-1500F intelligent smoke simulator, when smoke is sucked into the sensor shell (2), whether the mobile terminal can receive alarm information sent by equipment or not is observed, and the alarm information comprises position information sent by a GPS positioning module (18) and smoke alarm information detected by a photoelectric smoke sensor (20) and an ionic smoke sensor (21);
s3: the vibration test is carried out, after the detection performance of the equipment is confirmed to be good, external force is applied to the equipment to enable the equipment to move, whether the vibration of the equipment can be detected by the vibration sensor (7) is observed under the condition that the equipment is subjected to the external force, so that the electric lifting rod (6) is driven to contract, the detector mounting frame (25) is retracted into the containing box (4), and the equipment is protected to a certain extent;
s4: the tightness test is carried out, after the normal operation of the vibration sensor (7) is confirmed, whether the sealing rubber ring (26) at the bottom of the contracted solar photovoltaic panel (8) is clamped with the top opening of the containing box (4) or not is observed;
s5: and (4) regular inspection, namely, after the equipment is placed, the equipment needs to be periodically overhauled.
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| CN201810282618.XA CN108470421B (en) | 2018-04-02 | 2018-04-02 | Convenient outdoor smoke detection device and method thereof |
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| CN201810282618.XA CN108470421B (en) | 2018-04-02 | 2018-04-02 | Convenient outdoor smoke detection device and method thereof |
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| CN108470421B true CN108470421B (en) | 2020-05-26 |
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| CN109459540A (en) * | 2019-01-03 | 2019-03-12 | 南京信息工程大学 | A kind of air quality detector and air quality detecting device |
| CN111049533B (en) * | 2019-12-24 | 2020-09-29 | 诸暨叶蔓电子商务有限公司 | Disposable distress signal transmitting equipment utilizing wireless signal transmission |
| CN111721681A (en) * | 2020-06-17 | 2020-09-29 | 福建泉州源始物语信息科技有限公司 | Video infrared monitor |
| CN112365670A (en) * | 2020-12-10 | 2021-02-12 | 杨慧超 | Electrified alarm device of building |
| US11721189B2 (en) * | 2021-06-01 | 2023-08-08 | Honeywell International Inc. | Aspirating smoke detector device |
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| CN101211566B (en) * | 2006-12-30 | 2010-09-29 | 联想(北京)有限公司 | Mobile terminal and hard disk protection method |
| CN204791389U (en) * | 2015-06-12 | 2015-11-18 | 深圳市信锐网科技术有限公司 | Fire alarm system , wireless access point based on wireless access point |
| CN205942986U (en) * | 2016-08-11 | 2017-02-08 | 深圳市泰和安科技有限公司 | Domestic smoke fire detector with wireless transmission function |
| CN106157498A (en) * | 2016-08-19 | 2016-11-23 | 国网山东滨州市沾化区供电公司 | A kind of potential transformer burglar alarm |
| CN206074403U (en) * | 2016-09-21 | 2017-04-05 | 上海霍普光通信有限公司 | A kind of outdoor cabinet smog test device |
| CN206880499U (en) * | 2016-12-20 | 2018-01-16 | 咸宁职业技术学院 | A kind of integral type anti-theft financial product exhibiting device |
| CN207101020U (en) * | 2017-02-17 | 2018-03-16 | 王庆兴 | Antitheft showcase |
| CN107415751A (en) * | 2017-08-11 | 2017-12-01 | 高鹏 | Antitheft charging pile |
| CN107689130A (en) * | 2017-11-08 | 2018-02-13 | 熊新家 | A kind of forest fire detects alarm method |
| CN107730804A (en) * | 2017-11-13 | 2018-02-23 | 苏州和吉兴物联科技有限公司 | A kind of anti-thefting monitoring camera device |
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