CN103247126B - All-around dot-mode composite fire detector - Google Patents

All-around dot-mode composite fire detector Download PDF

Info

Publication number
CN103247126B
CN103247126B CN201310163117.7A CN201310163117A CN103247126B CN 103247126 B CN103247126 B CN 103247126B CN 201310163117 A CN201310163117 A CN 201310163117A CN 103247126 B CN103247126 B CN 103247126B
Authority
CN
China
Prior art keywords
sensor
signal
fire detector
microprocessor
flame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201310163117.7A
Other languages
Chinese (zh)
Other versions
CN103247126A (en
Inventor
赵康柱
王晋京
魏晖宇
薛战华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XI'AN BO KANG ELECTRONIC CO Ltd
Original Assignee
XI'AN BO KANG ELECTRONIC CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by XI'AN BO KANG ELECTRONIC CO Ltd filed Critical XI'AN BO KANG ELECTRONIC CO Ltd
Priority to CN201310163117.7A priority Critical patent/CN103247126B/en
Publication of CN103247126A publication Critical patent/CN103247126A/en
Application granted granted Critical
Publication of CN103247126B publication Critical patent/CN103247126B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Fire Alarms (AREA)
  • Fire-Detection Mechanisms (AREA)

Abstract

An all-around dot-mode composite fire detector includes an attached cap, flame sensors and/or a gas sensor, an alarm device, an indicator lamp, an electronic temperature sensor, smoke sensors, a main control plate, a middle plate, a casing, a sensor fixing plate and a signal converting plate. According to the invention, among the smoke sensors, the electronic temperature sensor, the flame sensors, the gas senor and the mechanical temperature sensor, at least one kind of the sensors and a sound and/or light component are arranged in a manner of coaxial combination arrangement, so that detection sensitivity in all directions can be responded consistently; and meanwhile, two communication manners named concentration line and multiline coexist, so that the all-around dot-mode composite fire detector and a controller as well as other firefighting equipment can form an automatic fire alarm system; and particularly as being provided with the acousto-optic alarm function, the all-around dot-mode composite fire detector can be used as a detecting alarm control device independently, and can form a self-extinguishing system by cooperating with a fire extinguishing device.

Description

A kind of all-around dot-mode composite fire detector
Technical field
The present invention relates to a kind of point type combined fire detector, particularly relate to a kind of all-around dot-mode composite fire detector.
Background technology
At present conventional point type combined fire detector by smog, temperature, gas, flame four kinds of sensing type one or more form, for carrying out comprehensive descision to fire, to guarantee the reliability detected.Although the reliability of these point type combined fire detectors improves, but due on multiple sensor simultaneously plane of scattering device in detector, thus cause each directional bearing of sensor to be lack of consistency, the consistance of comprehensive each angle sensitivity response cannot be ensured.
Summary of the invention
In order to solve the problem, the object of the present invention is to provide a kind of omnidirectional detection to respond consistance good, and there is the all-around dot-mode composite fire detector of sound and light of alarm.
In order to achieve the above object, all-around dot-mode composite fire detector provided by the invention comprises additional cap, flame sensor and/or gas sensor, warning horn, pilot lamp, electronic temperature-sensing sensor, sense smoke sensor, master control borad, middle plate, housing, sensor fixation plate and signal transducer; Be formed around the front end face of its middle shell multiple enter mouth; Middle plate level is arranged on the interior front portion of housing; Additional cap is arranged on the open rearward end place of housing, and inner horizontal is provided with sensor fixation plate; Gas sensor is arranged on the front end face of sensor fixation plate, and flame sensor is arranged on the rear end face of sensor fixation plate; Signal transducer level is arranged on the interior rear portion of housing, and sensor fixation plate is docked on signal transducer by contact pin; Warning horn is arranged on the interior middle part of housing; Pilot lamp is arranged on housing central section outside surface; Master control borad is fixed on middle plate rear end face; Electronic temperature-sensing sensor and sense smoke sensor are directly fixed on master control borad, and master control borad and electronic temperature-sensing sensor, feel smoke sensor, pilot lamp, warning horn and gas sensor and/or flame sensor is connected by electric wire.
Described master control borad comprises microprocessor, photoelectric conversion unit, temperature transition unit, signal output unit and external control unit; Described signal transducer comprises concentration converting unit and flame intensity and energy conversion unit; Wherein:
Microprocessor is used for smog, gas concentration, environment temperature, flame intensity and energy signal that photoelectric conversion unit, concentration converting unit, flame intensity and energy conversion unit, temperature transition unit send to carry out analog to digital conversion, then carry out analyzing, judging, and control warning horn and pilot lamp send sound and light alarm signal when judging breaking out of fire, export control signal to signal output unit and external control unit simultaneously;
Photoelectric conversion unit, one end is connected with sense smoke sensor, the other end is connected with microprocessor by signal amplification unit, is converted to current signal, then after signal amplification unit amplifies, sends microprocessor to for the smog light signal detected by sense smoke sensor;
Concentration converting unit, one end is connected with gas sensor, the other end is connected with microprocessor by signal amplification unit, is converted to current signal for the gas concentration signal detected by gas sensor, then after signal amplification unit amplifies, sends microprocessor to;
Flame intensity and energy conversion unit, one end is connected with flame sensor, the other end is connected with microprocessor by signal amplification unit, is converted to current signal for the flame intensity that detected by flame sensor and energy signal, then after signal amplification unit amplifies, sends microprocessor to;
Temperature transition unit, one end is connected with electronic temperature sensor, the other end is connected with microprocessor by signal amplification unit, is converted to current signal for environment temperature electronic temperature sensor detected, then after signal amplification unit amplifies, sends microprocessor to;
Signal output unit, one end is connected with microprocessor, and the other end is by bus or multi-threadly connect with fire alarm system, when a fire alerting signal and alert locations is sent to fire alarm main frame;
External control unit, one end is connected with microprocessor, and the other end connects with extinguishing device, starts the extinguishing device be connected with this fire detector when a fire under control of the microprocessor and puts out a fire.
Described sense smoke sensor is ionic smoke sensor sensor or photoelectric smoke sensor.
Described gas sensor adopts the one in catalytic combustion type, galvanochemistry or semiconductor-type.
Described flame sensor adopts the one in infra red flame formula, ultraviolet flame formula or dual-band image formula.
Described pilot lamp adopts the one in point type or annular aperture two kinds of forms.
Described all-around dot-mode composite fire detector also comprises battery and mechanical type temperature sensing sensor, wherein battery is arranged on the inside of housing, it is outside that mechanical type temperature sensing sensor is arranged on additional cap, and mechanical type temperature sensing sensor is connected with battery and external power source.
Mechanical type temperature sensing sensor, flame sensor and gas sensor in described all-around dot-mode composite fire detector can be used alone or use simultaneously.
All-around dot-mode composite fire detector provided by the invention is or/and optical assembly adopts coaxial combination arrangement mode to arrange by least one sensor in sense cigarette, electronic temp and flame, gas, mechanical type temperature sensing sensor and sound, detection sensitivity orientation response consistency problem can be solved like this, there are bus and multi-thread two kinds of communication modes simultaneously, automatic fire alarm system can be formed with controller and other fire fighting equipment; Especially self there is acousto-optic warning function, therefore can use as detection alarm control device independently, also can form automatic fire extinguishing system with extinguishing device.
Accompanying drawing explanation
The all-around dot-mode composite fire detector STRUCTURE DECOMPOSITION schematic diagram that Fig. 1 provides for the embodiment of the present invention 1.
Fig. 2 is that in the all-around dot-mode composite fire detector shown in Fig. 1, master control borad and signal transducer form block diagram.
The all-around dot-mode composite fire detector vertical structure cut-open view that Fig. 3 provides for the embodiment of the present invention 2.
Fig. 4 is that in the all-around dot-mode composite fire detector shown in Fig. 3, master control borad and signal transducer form block diagram.
The all-around dot-mode composite fire detector vertical structure cut-open view that Fig. 5 provides for the embodiment of the present invention 3.
Fig. 6 is that in the all-around dot-mode composite fire detector shown in Fig. 5, master control borad and signal transducer form block diagram.
Embodiment
Below in conjunction with drawings and the specific embodiments, all-around dot-mode composite fire detector provided by the invention is described in detail.
Embodiment 1:
As shown in Figure 2, the all-around dot-mode composite fire detector that the present embodiment provides comprises additional cap 1, flame sensor 2 and/or gas sensor 3, warning horn 4, pilot lamp 5, electronic temperature-sensing sensor 6, sense smoke sensor 7, master control borad 8, middle plate 9, housing 10, sensor fixation plate 21 and signal transducer 22; Be formed around the front end face 11 of its middle shell 10 multiple enter mouth 12; Middle plate 9 level is arranged on the interior front portion of housing 10; Additional cap 1 is arranged on the open rearward end place of housing 10, and inner horizontal is provided with sensor fixation plate 21; Gas sensor 3 is arranged on the front end face of sensor fixation plate 21, and flame sensor 2 is arranged on the rear end face of sensor fixation plate 21; Signal transducer 22 level is arranged on the interior rear portion of housing 10, and sensor fixation plate 21 is docked on signal transducer 22 by contact pin; Warning horn 4 is arranged on the interior middle part of housing 10; Pilot lamp 5 is arranged on housing 10 center outer surface; Master control borad 8 is fixed on middle plate 9 rear end face; Electronic temperature-sensing sensor 6 and sense smoke sensor 7 are directly fixed on master control borad 8, and master control borad 8 and electronic temperature-sensing sensor 6, feel smoke sensor 7, pilot lamp 5, warning horn 4 and gas sensor 3 and/or flame sensor 2 is connected by electric wire.
As shown in Figure 3, described master control borad 8 comprises microprocessor 14, photoelectric conversion unit 13, temperature transition unit 17, signal output unit 19 and external control unit 18; Described signal transducer 21 comprises concentration converting unit 15 and flame intensity and energy conversion unit 16; Wherein:
Microprocessor 14 carries out analog to digital conversion for smog, gas concentration, environment temperature, flame intensity and energy signal photoelectric conversion unit 13, concentration converting unit 15, flame intensity and energy conversion unit 16, temperature transition unit 17 sent, then carry out analyzing, judging, and control warning horn 4 and pilot lamp 5 send sound and light alarm signal when judging breaking out of fire, export control signal to signal output unit 19 and external control unit 18 simultaneously;
Photoelectric conversion unit 13, one end is connected with sense smoke sensor 7, the other end is connected with microprocessor 14 by signal amplification unit, is converted to current signal, then after signal amplification unit amplifies, sends microprocessor 14 to for the smog light signal detected by sense smoke sensor 7;
Concentration converting unit 15, one end is connected with gas sensor 3, the other end is connected with microprocessor 14 by signal amplification unit, is converted to current signal for the gas concentration signal detected by gas sensor 3, then after signal amplification unit amplifies, sends microprocessor 14 to;
Flame intensity and energy conversion unit 16, one end is connected with flame sensor 2, the other end is connected with microprocessor 14 by signal amplification unit, be converted to current signal for the flame intensity that detected by flame sensor 2 and energy signal, then after signal amplification unit amplifies, send microprocessor 14 to;
Temperature transition unit 17, one end is connected with electronic temperature sensor 6, the other end is connected with microprocessor 14 by signal amplification unit, is converted to current signal for environment temperature electronic temperature sensor 6 detected, then after signal amplification unit amplifies, sends microprocessor 14 to;
Signal output unit 19, one end is connected with microprocessor 14, and the other end is by bus or multi-threadly connect with fire alarm system, when a fire alerting signal and alert locations is sent to fire alarm main frame;
External control unit 18, one end is connected with microprocessor 14, and the other end connects with extinguishing device, starts the extinguishing device be connected with this fire detector when a fire and put out a fire under the control of microprocessor 14.
Described sense smoke sensor 7 is provided with acquisition cavity, is provided with a pair infrared transmitting tube and infrared receiving tube in acquisition cavity.The Infrared that maze-type structure under normal circumstances in acquisition cavity makes infrared receiving tube not receive infrared transmitting tube to send, when smog enters in acquisition cavity, smoke particle has scattering process to infrared light, this scattered light will receive by infrared receiving tube, at this moment infrared receiving tube will produce photocurrent, thus realize the detection to smokescope.In addition, sense smoke sensor 7 can be ionic smoke sensor sensor, also can be photoelectric smoke sensor.
Described gas sensor 3 can adopt catalytic combustion type, galvanochemistry or semiconductor-type, the gas concentration produced during for detecting breaking out of fire.
Described flame sensor 2 can adopt infra red flame formula, ultraviolet flame formula or dual-band image formula, the flame intensity produced during for detecting breaking out of fire and energy.
Described pilot lamp 5 can adopt point type or annular aperture two kinds of forms.
This all-around dot-mode composite fire detector can adopt sense smoke sensor 7, electronic temperature sensor 6, gas sensor 3 and/or flame sensor 2 pairs of fire combined detections.
Embodiment 2:
As shown in Figure 3,4, the all-around dot-mode composite fire detector that the present embodiment provides and the all-around dot-mode composite fire detector that embodiment 1 provides are distinguished and are to be provided with battery 24 and mechanical type temperature sensing sensor 23 in this fire detector, wherein battery 24 is arranged on the inside of housing 10, it is outside that mechanical type temperature sensing sensor 23 is arranged on additional cap 1, and mechanical type temperature sensing sensor 23 is connected with battery 24 and external power source.In addition, in this case this all-around dot-mode composite fire detector also can not arrange flame sensor 2 and/or gas sensor 3, other structure is identical.Under normal circumstances, this fire detector disconnects battery 24 or external power source, so not power consumption.During breaking out of fire, environment temperature will raise, and when environment temperature reaches the action threshold value of mechanical type temperature sensing sensor 23, it will connect battery 24 or external power source, thus power for whole fire detector.After smoke transducer 7, electronic temperature sensor 6, flame sensor 2 and/or gas sensor 3 power up, the smog detected in real time, gas concentration, environment temperature and/or flame intensity and energy signal are converted to electric signal, and send the microprocessor 14 on master control borad 8 to after amplifying.Microprocessor 14 is carried out analog to digital conversion after receiving above-mentioned signal, then carry out analyzing, judging, and when judging breaking out of fire, control warning horn 4 and pilot lamp 5 send sound and light alarm signal, start the extinguishing device be connected with this fire detector and put out a fire simultaneously.
In addition, microprocessor 14 also can adopt cascade system to control other device be connected with this fire detector to carry out interrelated logic control.
Embodiment 3:
As shown in Figure 5,6, the all-around dot-mode composite fire detector that the present embodiment provides and the all-around dot-mode composite fire detector that embodiment 2 provides are distinguished and are to be provided with mechanical type temperature sensing sensor 23 ' in this fire detector, but do not arrange sensor fixation plate 21 and flame sensor 2, all the other structures are identical.In addition, the mechanical type temperature sensing sensor 23 ' in the present embodiment carries thermal-arrest dish, can assemble the heat produced when on-the-spot fire occurs rapidly, to find fire early, fast linked fire control unit implements on-the-spot fire extinguishing.All the other functions are identical with embodiment 2.

Claims (8)

1. an all-around dot-mode composite fire detector, is characterized in that: described all-around dot-mode composite fire detector comprises additional cap (1), flame sensor (2) and/or gas sensor (3), warning horn (4), pilot lamp (5), electronic temperature-sensing sensor (6), sense smoke sensor (7), master control borad (8), middle plate (9), housing (10), sensor fixation plate (21) and signal transducer (22); The front end face (11) of its middle shell (10) be around formed multiple enter mouth (12); Middle plate (9) level is arranged on the interior front portion of housing (10); Additional cap (1) is arranged on the open rearward end place of housing (10), and inner horizontal is provided with sensor fixation plate (21); Flame sensor (2) or gas sensor (3) are arranged on sensor fixation plate (21); Signal transducer (22) level is arranged on the interior rear portion of housing (10), and sensor fixation plate (21) is docked on signal transducer (22) by contact pin; Warning horn (4) is arranged on the interior middle part of housing (10); Pilot lamp (5) is arranged on housing (10) center outer surface; Master control borad (8) is fixed on middle plate (9) rear end face; Electronic temperature-sensing sensor (6) and sense smoke sensor (7) are directly fixed on master control borad (8), and master control borad (8) and electronic temperature-sensing sensor (6), feel smoke sensor (7), pilot lamp (5), warning horn (4) and gas sensor (3) and/or flame sensor (2) is connected by electric wire.
2. all-around dot-mode composite fire detector according to claim 1, is characterized in that: described master control borad (8) comprises microprocessor (14), photoelectric conversion unit (13), temperature transition unit (17), signal output unit (19) and external control unit (18); Described signal transducer (22) comprises concentration converting unit (15) and flame intensity and energy conversion unit (16); Wherein:
Microprocessor (14) carries out analog to digital conversion for smog, gas concentration, environment temperature, flame intensity and energy signal photoelectric conversion unit (13), concentration converting unit (15), flame intensity and energy conversion unit (16), temperature transition unit (17) sent, then carry out analyzing, judging, and control warning horn (4) and pilot lamp (5) send sound and light alarm signal when judging breaking out of fire, export control signal to signal output unit (19) and external control unit (18) simultaneously;
Photoelectric conversion unit (13), one end is connected with sense smoke sensor (7), the other end is connected with microprocessor (14) by signal amplification unit, for being converted to current signal by feeling the smog light signal that smoke sensor (7) detects, then after signal amplification unit amplifies, send microprocessor (14) to;
Concentration converting unit (15), one end is connected with gas sensor (3), the other end is connected with microprocessor (14) by signal amplification unit, gas concentration signal for being detected by gas sensor (3) is converted to current signal, then after signal amplification unit amplifies, sends microprocessor (14) to;
Flame intensity and energy conversion unit (16), one end is connected with flame sensor (2), the other end is connected with microprocessor (14) by signal amplification unit, be converted to current signal for the flame intensity that detected by flame sensor (2) and energy signal, then after signal amplification unit amplifies, send microprocessor (14) to;
Temperature transition unit (17), one end is connected with electronic temperature sensor (6), the other end is connected with microprocessor (14) by signal amplification unit, environment temperature for electronic temperature sensor (6) being detected is converted to current signal, then after signal amplification unit amplifies, sends microprocessor (14) to;
Signal output unit (19), one end is connected with microprocessor (14), and the other end is by bus or multi-threadly connect with fire alarm system, when a fire alerting signal and alert locations is sent to fire alarm main frame;
External control unit (18), one end is connected with microprocessor (14), the other end connects with extinguishing device, starts the extinguishing device be connected with this fire detector when a fire and put out a fire under the control of microprocessor (14).
3. all-around dot-mode composite fire detector according to claim 1, is characterized in that: described sense smoke sensor (7) is ionic smoke sensor sensor or photoelectric smoke sensor.
4. all-around dot-mode composite fire detector according to claim 1, is characterized in that: described gas sensor (3) adopts the one in catalytic combustion type, galvanochemistry or semiconductor-type.
5. all-around dot-mode composite fire detector according to claim 1, is characterized in that: described flame sensor (2) adopts the one in infra red flame formula, ultraviolet flame formula or dual-band image formula.
6. all-around dot-mode composite fire detector according to claim 1, is characterized in that: described pilot lamp (5) adopts the one in point type or annular aperture two kinds of forms.
7. all-around dot-mode composite fire detector according to claim 1, it is characterized in that: described all-around dot-mode composite fire detector also comprises battery (24) and mechanical type temperature sensing sensor (23), wherein battery (24) is arranged on the inside of housing (10), it is outside that mechanical type temperature sensing sensor (23) is arranged on additional cap (1), and mechanical type temperature sensing sensor (23) is connected with battery (24) and external power source.
8. all-around dot-mode composite fire detector according to claim 7, is characterized in that: the mechanical type temperature sensing sensor (23) in described all-around dot-mode composite fire detector, flame sensor (2) and gas sensor (3) can be used alone or use simultaneously.
CN201310163117.7A 2013-05-06 2013-05-06 All-around dot-mode composite fire detector Active CN103247126B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310163117.7A CN103247126B (en) 2013-05-06 2013-05-06 All-around dot-mode composite fire detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310163117.7A CN103247126B (en) 2013-05-06 2013-05-06 All-around dot-mode composite fire detector

Publications (2)

Publication Number Publication Date
CN103247126A CN103247126A (en) 2013-08-14
CN103247126B true CN103247126B (en) 2015-04-15

Family

ID=48926624

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310163117.7A Active CN103247126B (en) 2013-05-06 2013-05-06 All-around dot-mode composite fire detector

Country Status (1)

Country Link
CN (1) CN103247126B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105989689A (en) * 2016-07-27 2016-10-05 沈阳奥森自动化装备有限公司 Four-composite sensing fire early warning circuit
CN108711249A (en) * 2018-04-30 2018-10-26 高飞 A kind of long-range smoke detector of substation
CN108961649A (en) * 2018-08-21 2018-12-07 延安大学 A kind of fire detection bullet
CN110246296A (en) * 2019-06-11 2019-09-17 应急管理部四川消防研究所 Fire detection monitoring system and its implementation applied to city integrated piping lane

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101236684A (en) * 2008-03-06 2008-08-06 中国人民解放军第二炮兵装备研究院第三研究所 Fire disaster detector and detection positioning method
CN101783056A (en) * 2010-02-10 2010-07-21 西安博康电子有限公司 Point-type complex fire detector based on mechanical type temperature sensing element and alarm method thereof
CN203217701U (en) * 2013-05-06 2013-09-25 西安博康电子有限公司 Omnibearing point-type composite fire hazard detector

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070119593A (en) * 2007-11-29 2007-12-20 주식회사 이플러스티 Fire detector for the detection of smoke, flame, and heat

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101236684A (en) * 2008-03-06 2008-08-06 中国人民解放军第二炮兵装备研究院第三研究所 Fire disaster detector and detection positioning method
CN101783056A (en) * 2010-02-10 2010-07-21 西安博康电子有限公司 Point-type complex fire detector based on mechanical type temperature sensing element and alarm method thereof
CN203217701U (en) * 2013-05-06 2013-09-25 西安博康电子有限公司 Omnibearing point-type composite fire hazard detector

Also Published As

Publication number Publication date
CN103247126A (en) 2013-08-14

Similar Documents

Publication Publication Date Title
CN103247126B (en) All-around dot-mode composite fire detector
CN101783056A (en) Point-type complex fire detector based on mechanical type temperature sensing element and alarm method thereof
JPH0319030Y2 (en)
CN105931416B (en) One kind is based on free-standing photoelectric smoke detecting alarm
CN212302696U (en) Photoelectric smoke sensor based on NB-IOT
CN209182945U (en) A kind of more sensing smoke alarms based on NB-IOT networking
CN203217701U (en) Omnibearing point-type composite fire hazard detector
CN201622665U (en) Point type composite fire detector based on mechanical temperature-sensing elements
CN207216829U (en) A kind of photoelectric smoke fog siren based on arrowband Internet of Things
CN210271155U (en) Composite smoke-sensing detection labyrinth
CN205643142U (en) Gas detection appearance
CN212009803U (en) Independent photoelectric smoke-sensing fire detection alarm
CN215679590U (en) Automatic early warning device of potential safety hazard
CN208061386U (en) A kind of cigarette sense detecting and warning system
CN211044473U (en) Electrical fire detector
CN207541745U (en) New-energy automobile fire alarm system and new-energy automobile
CN204612179U (en) A kind of water heater anti-dazzle warning device
CN208077358U (en) A kind of detector for electric fire protection
CN106781207A (en) Fire alarm system
CN208061387U (en) A kind of cigarette sense detecting and warning system
CN210109986U (en) Smoke electronic alarm
CN207817918U (en) A kind of smoke alarm with intelligent wireless control
CN206431782U (en) A kind of multipurpose fire detector for medium tunnel
CN220085467U (en) Smoke monitoring system based on GPS
CN205594821U (en) To feeling alarm in deaf and dumb smoke protection that disappears with eyesight disability weak tendency crowd

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A comprehensive point type composite fire detector

Effective date of registration: 20230712

Granted publication date: 20150415

Pledgee: China Minsheng Banking Corp Xi'an branch

Pledgor: XI'AN BOKANG ELECTRONICS Co.,Ltd.

Registration number: Y2023610000561

PE01 Entry into force of the registration of the contract for pledge of patent right