CN103247126B - All-around dot-mode composite fire detector - Google Patents
All-around dot-mode composite fire detector Download PDFInfo
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- 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
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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
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.
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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 |
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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 |
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