CN108648407B - Fire detection device - Google Patents
Fire detection device Download PDFInfo
- Publication number
- CN108648407B CN108648407B CN201810702408.1A CN201810702408A CN108648407B CN 108648407 B CN108648407 B CN 108648407B CN 201810702408 A CN201810702408 A CN 201810702408A CN 108648407 B CN108648407 B CN 108648407B
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- smoke
- detection
- partition plate
- driving motor
- alarm
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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
-
- 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
Abstract
The invention relates to the technical field of detection, in particular to a fire detection device, which comprises a fixed seat and a detection shell connected with the fixed seat through threads, wherein a containing cavity is arranged in the detection shell, a partition plate which is horizontally arranged is arranged in the containing cavity, the partition plate divides the containing cavity into a smoke suction cavity and an ionization cavity, a plurality of slotted holes are formed in the partition plate, a detection mechanism is arranged at the top of the partition plate, a smoke suction assembly is arranged at the bottom of the partition plate, a driving motor for driving the smoke suction assembly to rotate is arranged at the top of the partition plate, the output end of the driving motor penetrates through the partition plate and is fixedly connected with the smoke suction assembly, an alarm is arranged at the top of the detection shell, the alarm and the driving motor are both electrically connected with the detection mechanism, a plurality of air vents which are arranged along the axial line at equal angular difference are arranged at the bottom of the detection, the smoking assembly is rotated. The invention improves the overall detection sensitivity of the device, has high accuracy and simple structure, is convenient for quickly disassembling the detection shell and artificially and irregularly inspecting and maintaining the device, saves the power consumption, is more silent, environment-friendly and intelligent, and avoids the false alarm phenomenon caused by temporary smog.
Description
Technical Field
The invention relates to the technical field of detection, in particular to a fire detection device.
Background
With the rapid development of social economy and the increasing improvement of living standard of people, high-rise buildings are emerging continuously, so that the high-rise buildings become places with dense personnel and high-risk areas of fire. At present, people all install various fire detection devices in various places in order to prevent the emergence of fire, but along with the development of technology, traditional fire detection device shortcoming is also more obvious, if sensitivity is lower, and the detection mode of majority is passive alarm mode, and more advanced fire detection device now, though detection effect is sensitive, and the precision is higher, but the volume is great, and the cost is expensive, leads to its popularity not high. The smoke alarm disclosed in CN206849212U has adopted the updraft ventilator that can gather the air voluntarily, has improved detectivity, but smoke alarm arranges more at indoor, and updraft ventilator has still caused noise pollution of certain degree except that consuming a large amount of electric energy under the state at ordinary times, and user experience is relatively poor. CN207074495U also discloses the technical content of active quick suction by using a suction assembly, but it also has the disadvantages of wasting electric energy and generating much noise, and the installation mode is not suitable for quick connection and easy maintenance, disassembly and replacement. Meanwhile, in the prior art, the smoke alarm can be mistakenly warned due to the oil smoke generated by indoor smoke extraction or temporary cooking, and great inconvenience is brought to daily life.
Disclosure of Invention
The present invention is directed to a fire detection device to solve the above problems of the related art.
The technical scheme of the invention is as follows: the smoke detector comprises a fixed seat and a detection shell connected with the fixed seat through threads, wherein a containing cavity is arranged in the detection shell, a partition plate which is horizontally arranged is arranged in the containing cavity and divides the containing cavity into a smoke suction cavity and an ionization cavity, a plurality of slotted holes are formed in the partition plate, a detection mechanism is arranged at the top of the partition plate, a smoke suction component is arranged at the bottom of the partition plate, a driving motor for driving the smoke suction component to rotate is arranged at the top of the partition plate, the output end of the driving motor penetrates through the partition plate and is fixedly connected with the smoke suction component, an alarm is arranged at the top of the detection shell and is electrically connected with the detection mechanism, a plurality of air vents which are arranged along the axis at equal angular difference are arranged at the bottom of the detection shell, a first smoke sensor is arranged on the detection shell, a single chip microcomputer is arranged in the, when the first smoke sensor detects smoke, the first smoke sensor transmits smoke signals to the single chip microcomputer, and the single chip microcomputer enables the driving motor to work to drive the smoking assembly to rotate.
In a preferred embodiment of the present invention, the fixing base includes a disc and a connecting shaft fixedly connected to the center of the disc, the disc is provided with four screw holes arranged along the axis of the disc at equal angular differences, the connecting shaft is provided with external threads, and the top of the detecting housing is provided with internal threads matched with the external threads.
In a preferred embodiment of the present invention, the detecting mechanism includes a temperature and humidity sensor, a second smoke sensor and a controller, which are installed on the top of the partition board, and both the temperature and humidity sensor and the second smoke sensor are electrically connected to the controller.
In a preferred embodiment of the present invention, the smoking assembly includes a first gear, a second gear, a rotating shaft and a fan blade, the first gear is installed at the bottom of the partition and is fixedly connected to the output end of the driving motor, the second gear and the fan blade are both installed on the rotating shaft, the second gear is engaged with the first gear, and the rotating shaft is installed at the center of the bottom of the partition.
In a preferred embodiment of the present invention, the detecting housing and the fixing base are made of stainless steel.
When the smoke detection device is used, (1) when the environment where the fire detection device is located is free of smoke, the smoke absorption component does not work; (2) first smoke transducer's sensitivity is greater than second smoke transducer, and when first smoke transducer detected smog, first smoke transducer transmitted smoke signal for the singlechip, and the singlechip made driving motor work, and drive smoking subassembly rotates, and the fire detection device was gone into through the transmission that rotates with the gas acceleration of outside to the smoking subassembly this moment, and when detection mechanism continuously detected smog, the siren carried out smog and reported to the police: (3) the sensitivity of first smoke transducer is greater than second smoke transducer, and when first smoke transducer detected there was smog, first smoke transducer transmitted smoke signal for the singlechip, and the singlechip made driving motor work, and the drive smoking subassembly rotates, and the fire detection device was gone into through the transmission that the rotation was accelerated with outside gas to the smoking subassembly this moment, and when detection mechanism did not detect smog, the siren did not report to the police, and the smoking subassembly stops working.
The invention provides a fire detection device through improvement, compared with the prior art, the fire detection device has the following improvement and advantages:
the smoking assembly is driven to rotate by the driving motor, air is sucked into the smoking cavity and flows into the ionization cavity from the slotted holes, the temperature and humidity sensor and the second smoke sensor detect the air and transmit detection signals of the temperature and humidity sensor and the second smoke sensor to the controller through electric signals, the controller analyzes the electric signals and makes corresponding instructions, when smoke and humidity contained in the air are analyzed and the temperature is high, the alarm is controlled to make a sound, otherwise, the sound is not made; the smoke absorbing component is utilized to increase the fluidity of air, and smoke and humidity temperature in the air can be detected at any time, so that the overall detection sensitivity of the device is improved, the accuracy is high, and the structure is simple;
the utilization passes through the bolt with the fixing base and installs on the wall body, surveys the shell and is connected through the mode of screw thread with the fixing base, and the quick dismantlement of being convenient for surveys the shell and artifical unscheduled is examined and is maintained the device.
Through be equipped with first smoke transducer on surveying the shell, be equipped with the singlechip in surveying the shell, driving motor and first smoke transducer all link to each other with the singlechip, when first smoke transducer detected smog, first smoke transducer gives the singlechip with smoke signal transmission, the singlechip makes driving motor drive smoking subassembly rotate, thus, when no smog environment, it is extravagant to have avoided smoking subassembly unnecessary power consumption, sensitivity through making first smoke transducer is greater than second smoke transducer, the different setting of threshold value, when detecting smog, can be sensitive by first smoke transducer discernment, and because during the situation that interim smog can in time dissipate, second smoke transducer can not transmit the smoke information of dissipation for the alarm. The false alarm of a certain degree can be avoided, and the intelligence degree and the sensitivity are increased.
Drawings
The invention is further explained below with reference to the figures and examples:
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is an enlarged view taken at A in FIG. 3;
description of reference numerals:
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 4, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a fire detection device through improvement, as shown in figures 1-4, comprising a fixed seat 1 and a detection shell 2 connected with the fixed seat 1 through screw threads, wherein a containing cavity 3 is arranged in the detection shell 2, a partition plate 4 horizontally arranged is arranged in the containing cavity 3, the containing cavity 3 is divided into a smoking cavity 3a and an ionization cavity 3b by the partition plate 4, a plurality of slotted holes are arranged on the partition plate 4, a detection mechanism is arranged at the top of the partition plate 4, a smoking component 6 is arranged at the bottom of the partition plate 4, a driving motor 7 for driving the smoking component 6 to rotate is arranged at the top of the partition plate 4, the output end of the driving motor 7 penetrates through the partition plate 4 and is fixedly connected with the smoking component 6, an alarm 8 is arranged at the top of the detection shell 2, the alarm 8 and the driving motor 7 are both electrically connected with the detection mechanism, a plurality of vent holes 9 arranged along the axis with equal angle difference are arranged at the bottom, be equipped with first smoke transducer on surveying shell (2), be equipped with the singlechip in surveying shell (2), driving motor (7) and first smoke transducer all link to each other with the singlechip, and when first smoke transducer detected smog, first smoke transducer transmitted smoke signal for the singlechip, and the singlechip made driving motor (7) work, and drive smoking subassembly (6) rotate. Install fixing base 1 on the wall body through the bolt, survey shell 2 and screw on fixing base 1, driving motor 7 drive smoking subassembly 6 rotates, gets into smoking chamber 3a with the air through a plurality of air vents 9, and smoking chamber 3 a's air flows to ionization chamber 3b in from a plurality of slotted holes, and detection mechanism detects the air, realizes judging out the air fast whether there is the condition of smog and wet temperature.
The working principle is as follows: install fixing base 1 on the wall body through the bolt, survey shell 2 and screw on fixing base 1, accomplish the installation step, driving motor 7 drive smoking subassembly 6 rotates, inhale the air in smoking chamber 3a, the air flows to ionization chamber 3b in from a plurality of slotted holes, temperature and humidity sensor and second smoke transducer 5a detect the air and pass through the electric signal transmission to controller 5b with the detected signal of self, controller 5b carries out the analysis to the signal of telecommunication and makes corresponding instruction, it is higher to contain smog and wet temperature in the air when the analysis, then control alarm makes a sound, otherwise, then do not make a sound, realize that whether the phenomenon of conflagration takes place out of quick judgement.
When the smoke detection device is used, (1) when the environment where the fire detection device is located is free of smoke, the smoke absorption component does not work; (2) first smoke transducer's sensitivity is greater than second smoke transducer, and when first smoke transducer detected smog, first smoke transducer transmitted smoke signal for the singlechip, and the singlechip made driving motor work, and drive smoking subassembly rotates, and the fire detection device was gone into through the transmission that rotates with the gas acceleration of outside to the smoking subassembly this moment, and when detection mechanism continuously detected smog, the siren carried out smog and reported to the police: (3) the sensitivity of first smoke transducer is greater than second smoke transducer, and when first smoke transducer detected there was smog, first smoke transducer transmitted smoke signal for the singlechip, and the singlechip made driving motor work, and the drive smoking subassembly rotates, and the fire detection device was gone into through the transmission that the rotation was accelerated with outside gas to the smoking subassembly this moment, and when detection mechanism did not detect smog, the siren did not report to the police, and the smoking subassembly stops working.
The fixing seat 1 comprises a disc 1a and a connecting shaft 1b fixedly connected with the center of the disc 1a, four screw holes 1c which are formed along the axis in an equal angle difference mode are formed in the disc 1a, external threads are formed in the connecting shaft 1b, internal threads matched with the external threads are formed in the top of the detection shell 2, the disc 1a is installed on a wall body through the four screw holes 1c in one-to-one correspondence with the four bolts, the detection shell 2 is screwed tightly on the connecting shaft 1b, and the installation step is completed.
The detection mechanism comprises a temperature and humidity sensor, a second smoke sensor 5a and a controller 5b which are arranged on the top of the partition plate 4, and the temperature and humidity sensor and the second smoke sensor 5a are both electrically connected with the controller 5 b; the temperature and humidity sensor adopts an air duct pipe temperature and humidity sensor, is convenient to use, can output various analog signals through signal processing of a high-performance single chip microcomputer, and is superior in overall performance and excellent in long-term stability.
The smoking assembly 6 comprises a first gear 6a, a second gear 6b, a rotating shaft 6c and fan blades 6d, the first gear 6a is installed at the bottom of the partition plate 4 and fixedly connected with the output end of the driving motor 7, the second gear 6b and the fan blades 6d are installed on the rotating shaft 6c, the second gear 6b is meshed and matched with the first gear 6a, the rotating shaft 6c is installed at the center of the bottom of the partition plate 4, the first gear 6a is driven to rotate through the driving motor 7, so that the second gear 6b meshed with the first gear 6a is driven to synchronously rotate, the fan blades 6d on the rotating shaft 6c are driven to rotate, and air is sucked into the smoking cavity 3 a.
The detection shell 2 and the fixed seat 1 are made of stainless steel materials, and the service life of the whole body is prolonged.
The first smoke sensor adopts an ion type smoke sensor, is sensitive to sensing of tiny smoke particles, and is stable and reliable in work.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. A fire detection method based on a fire detection device comprises a fixed seat and a detection shell which is connected with the fixed seat through threads, wherein a containing cavity is arranged in the detection shell, a partition board which is horizontally arranged is arranged in the containing cavity, the containing cavity is divided into a smoke suction cavity and an ionization cavity by the partition board, a plurality of slotted holes are formed in the partition board, a detection mechanism is arranged at the top of the partition board, a smoke suction assembly is arranged at the bottom of the partition board, a driving motor for driving the smoke suction assembly to rotate is arranged at the top of the partition board, the output end of the driving motor penetrates through the partition board and is fixedly connected with the smoke suction assembly, an alarm is arranged at the top of the detection shell, the alarm and the driving motor are both electrically connected with the detection mechanism, and a plurality of vent holes which are arranged along the axis;
the smoke detection mechanism comprises a temperature and humidity sensor, a second smoke sensor and a controller, wherein the temperature and humidity sensor, the second smoke sensor and the controller are arranged on the top of the partition board, and the temperature and humidity sensor and the second smoke sensor are both electrically connected with the controller; wherein the thresholds of the first smoke sensor and the second smoke sensor are different, and the sensitivity of the first smoke sensor is greater than that of the second smoke sensor;
the fire detection method based on the fire detection device is characterized by comprising the following steps:
when the environment of the fire detection device is smoke-free, the smoking assembly does not work;
when first smoke transducer detected smog, first smoke transducer transmitted smoke signal for the singlechip, and the singlechip made driving motor work, and drive smoking subassembly rotates, and the transmission that smoking subassembly was accelerated with outside gas through rotating this moment goes into fire detection device to the mobility of increase air, this moment:
when smoke continues to exist, the smoke is gradually increased, so that a second smoke sensor of the detection mechanism can reach a trigger threshold value, and the second smoke sensor triggers an alarm through the controller to give out smoke alarm;
when the smoke is not continuously or timely dissipated, the smoke density cannot be increased, the second smoke sensor of the detection mechanism cannot detect the smoke, the alarm cannot be triggered to give an alarm due to the fact that the triggering threshold value is reached, and the smoking assembly stops working.
2. A fire detection method as claimed in claim 1, wherein: the fixing seat comprises a disc and a connecting shaft fixedly connected with the center of the disc, four screw holes are formed in the disc and are formed in the equal angle difference along the axis of the disc, external threads are formed in the connecting shaft, and internal threads matched with the external threads are formed in the top of the detection shell.
3. A fire detection method as claimed in claim 1, wherein: the smoking assembly comprises a first gear, a second gear, a rotating shaft and fan blades, the first gear is installed at the bottom of the partition plate and fixedly connected with the output end of the driving motor, the second gear and the fan blades are installed on the rotating shaft, the second gear is meshed with the first gear, and the rotating shaft is installed at the center of the bottom of the partition plate.
4. A fire detection method as claimed in claim 1, wherein: the detection shell and the fixed seat are both made of stainless steel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010009452.1A CN111192430B (en) | 2018-06-30 | 2018-06-30 | Detection device for building fire |
| CN201810702408.1A CN108648407B (en) | 2018-06-30 | 2018-06-30 | Fire detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810702408.1A CN108648407B (en) | 2018-06-30 | 2018-06-30 | Fire detection device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010009452.1A Division CN111192430B (en) | 2018-06-30 | 2018-06-30 | Detection device for building fire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108648407A CN108648407A (en) | 2018-10-12 |
| CN108648407B true CN108648407B (en) | 2020-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810702408.1A Active CN108648407B (en) | 2018-06-30 | 2018-06-30 | Fire detection device |
| CN202010009452.1A Active CN111192430B (en) | 2018-06-30 | 2018-06-30 | Detection device for building fire |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010009452.1A Active CN111192430B (en) | 2018-06-30 | 2018-06-30 | Detection device for building fire |
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| Country | Link |
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| CN (2) | CN108648407B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110111528A (en) * | 2019-06-05 | 2019-08-09 | 广东电网有限责任公司 | A kind of electric field fire alarm |
| CN112562251B (en) * | 2021-02-20 | 2021-12-14 | 莆田市荔城区任西贸易有限公司 | Fire smoke monitoring alarm device |
| CN115206046A (en) * | 2022-05-20 | 2022-10-18 | 江苏中电通智能科技有限公司 | AI technology-based fire alarm detection device and analysis method |
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| WO2006050569A1 (en) * | 2004-11-12 | 2006-05-18 | Vfs Technologies Limited | Method and apparatus for determining flow |
| CN103559766A (en) * | 2013-11-13 | 2014-02-05 | 无锡市华昊热能设备有限公司 | Fire alarm |
| CN105225399A (en) * | 2015-08-17 | 2016-01-06 | 苏州锟鹏肖氏建材有限公司 | Smoke alarm |
| CN207182627U (en) * | 2017-08-10 | 2018-04-03 | 南京瑞贻电子科技有限公司 | A kind of smoke alarm with positioning function based on the agreement of bluetooth 5.0 |
| CN207318454U (en) * | 2017-09-20 | 2018-05-04 | 江苏三恒科技股份有限公司 | Mine smoke sensor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101544019B1 (en) * | 2013-06-07 | 2015-08-13 | 박종호 | Fire detection system using composited video and method thereof |
| CN205788625U (en) * | 2016-06-28 | 2016-12-07 | 深圳华盛创力科技有限公司 | Mountain fire monitoring and warning equipment and system |
-
2018
- 2018-06-30 CN CN201810702408.1A patent/CN108648407B/en active Active
- 2018-06-30 CN CN202010009452.1A patent/CN111192430B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006050569A1 (en) * | 2004-11-12 | 2006-05-18 | Vfs Technologies Limited | Method and apparatus for determining flow |
| CN103559766A (en) * | 2013-11-13 | 2014-02-05 | 无锡市华昊热能设备有限公司 | Fire alarm |
| CN105225399A (en) * | 2015-08-17 | 2016-01-06 | 苏州锟鹏肖氏建材有限公司 | Smoke alarm |
| CN207182627U (en) * | 2017-08-10 | 2018-04-03 | 南京瑞贻电子科技有限公司 | A kind of smoke alarm with positioning function based on the agreement of bluetooth 5.0 |
| CN207318454U (en) * | 2017-09-20 | 2018-05-04 | 江苏三恒科技股份有限公司 | Mine smoke sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111192430A (en) | 2020-05-22 |
| CN111192430B (en) | 2022-04-26 |
| CN108648407A (en) | 2018-10-12 |
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Effective date of registration: 20221223 Address after: 475300 Room 306, No. 3, Yangguang Road, Wuyemiao Village, Lanyang Street, Lankao County, Kaifeng City, Henan Province Patentee after: Henan Tongji Agricultural Technology Co.,Ltd. Address before: 450000 Lian Yun Road, 27 District, Zhengzhou, Henan Province, No. 123 Patentee before: HUANGHE S & T College |
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