CN2319868Y - Intelligent point-type photoelectric smoke sensing compound fire disaster detector - Google Patents
Intelligent point-type photoelectric smoke sensing compound fire disaster detector Download PDFInfo
- Publication number
- CN2319868Y CN2319868Y CN 97247376 CN97247376U CN2319868Y CN 2319868 Y CN2319868 Y CN 2319868Y CN 97247376 CN97247376 CN 97247376 CN 97247376 U CN97247376 U CN 97247376U CN 2319868 Y CN2319868 Y CN 2319868Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- infrared light
- input
- resistance
- temperature
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a smoke and temperature sensing compound fire disaster detector, which is composed of a base, a masking base plate, a circuit board, a cover plate, and a compound detector circuit. The utility model is characterized in that the upper side of the circuit board is provided with a smoke sensing darkroom; the bottom side of the smoke sensing darkroom is provided with infrared light launching tubes and infrared light receiving tubes; a lock masking cover is arranged on the circuit board; the inner space between the masking cover and the cover plate is a temperature sensing region, and the inner part of the temperature sensing region is provided with a constant voltage diode as a temperature sensing element; the compound detector circuit is composed of a temperature sensing circuit, a temperature amplifying circuit, an infrared light launching circuit, an infrared light receiving circuit, a smoke amplifying circuit, a constant-current source, a microprocessor with analog-digital conversion and a memory thereof, a communication interface circuit, and a power supply managing circuit.
Description
The utility model relates to the combined fire detector of a kind of fire detector, particularly a kind of smoke-temperature sensing.
Entered since the nineties, in the world developing combined fire detector as emphasis, the leading companys that successively have many families to produce the fire detecting system equipment have released the Intelligent Composite fire detecting system, representationally especially are: the AlgoRex fire detecting system S11 series of Switzerland Cerberus company (1993 release).The detector of this system mainly is made up of PolyRex neuron smoke detector etc., it is photoelectric smoke and temperature combined fire detector that PolyRex surveys, detector has artificial neural network signal Processing and fuzzy logic decision circuitry, belong to distributed intelligence formula fire detecting system, promptly detector and controller all have signal to carry the reason ability.But the temperature-sensitive part of this on foot layer device only play a part dizzy just, the compensation photosignal, can not detection of fires, therefore can't be called real compound fire survey device on foot.And be with 127 detectors in the every loop of its controller only.
PAM fire detector 9200 series of Germany Esser company (releasing in 1994).This detector has the compound and photoelectric smoke of ionic smoke sensor, photoelectric smoke and semiconductor temperature-sensitive three, semiconductor temperature-sensitive two compound, the employing detector is intelligent, be that signal processing function all concentrates in the detector, the fire that controller sends according to detector, non-fire signal is reported to the police or is not reported to the police.This detector is only the real combined fire detector that occurs first in the world.But this detector does not adopt the distributed intelligence mode, signal Processing nobody's artificial neural networks and fuzzy logic method, and the controller degree of intelligence is lower.And 128 detectors are with in the every loop of controller only.
The ZP intelligence fire detecting system ZP 700 series nineteen ninety-five releases of Britain Aiton company).The ZP 732 type fire detectors of this system also are that photoelectric smoke, semiconductor temperature-sensitive two are compound, and its most outstanding characteristic is to have the distinctive SureTest function of the said firm, promptly detector is carried out real-time testing.Whether it can not only detect detector in actual moving process electronic component lost efficacy, and can also detect the working condition of photoelectric reflection, receiving tube and Infrared Lens.But this detection system belongs to nalog quantity type, and detector has been the effect of fire sensor, and intelligent functions such as all signal Processing all carry out in controller, and do not adopt artificial neural network and fuzzy logic method.80 detectors generally are with in the every loop of its controller only, can expand to 128 at most.
The purpose of this utility model is exactly in order to address the above problem, and provides a kind of intelligent degree high smart point type photoelectric smoke temperature inductive combined fire detector.
Technical solution of the present utility model:
A kind of smart point type photoelectric smoke temperature inductive combined fire detector, it is made up of base 1, screen fraud base plate 2, circuit board 3, cover plate 4 and complex detector circuit, is provided with sense cigarette darkroom 5 above circuit board 3, is provided with infrared light power valve B in sense 5 bottom surfaces, cigarette darkroom
1With infrared light receiving tube B
2, on circuit board 3, be provided with lock shield cover 6, it is characterized in that:
A. the inner space between radome 6 and the cover plate 4 is temperature zone 7, is provided with voltage stabilizing diode B3 in the temperature zone 7 as temperature-sensing element;
B. described complex detector circuit is by temperature sensing circuit; the temperature amplifying circuit; the infrared light radiating circuit; the infrared light receiving circuit; the smog amplifying circuit; constant current source; have analog-to-digital microprocessor and memory thereof; the input jointing temp sensing circuit of communication interface circuit and electric power management circuit composition-temperature amplifying circuit; the input of smog amplifying circuit connects the infrared light receiving circuit; their output all links to each other with microprocessor; microprocessor links to each other with the infrared light radiating circuit by constant current source; communication interface circuit all links to each other with the detector loop bus of automatic fire alarm system by reversal and overvoltage crowbar with electric power management circuit; all link to each other simultaneously with microprocessor; electric power management circuit receives the steering order of microprocessor, and under its instruction control to each circuit supply.
The utility model adopts independently visits cigarette temperature detection mechanism, smog and temperature signal are gathered, handle, adjudicated with intelligent algorithm, by hazard level, provide compound each the three grades of alerting signal of smog, temperature and cigarette temperature, send fire alarm control unit to by two buses.The utility model has balanced response characteristic to four kinds of test fires of standard GB 4715-93 regulation, and the false alarm that can suppress effectively to cause, report to the police late and, be the very high cigarette temperature combined fire detector of a kind of intelligent degree by not reporting to the police that detector lost efficacy and causes by non-pyric factor, environmental factor, detector self-pollution, aging etc.
The utility model also has following advantage:
1, has the intelligence of detection: include microprocessor chip and storer, under the SHSHSOFT-94 software control, smoke signal and temperature signal are handled, and make the classification judgement; State to detector monitors; Environmental factor is compensated; Carry out two-way communication with controller, the instruction of implementation controller is to controller passback fire alarm rank data, running state data and necessary real time data.
2, Jing Mei appearance design had both guaranteed best spy cigarette and temperature detection performance, very easily coordinated with installation environment again, and thickness has only 47mm; Shell is formed by the compacting of ABS engineering plastics, and profile is cleanliness, and color is refined white; Fly net forms with the stainless steel precision fining-off.
3, Du Te smog and temperature sensing structure, the smog that detector is composed various grains has the responding ability of balance, and temperature variation is had very high response speed.
4, anti-electromagnetic interference capability is strong: in stainless steel shielding cover is arranged, add special circuit design, form perfect anti-power frequency and Radio frequency interference (RFI) ability.
5, reliable SHCP 94 communication protocols of usability guarantee to patrol and examine 256 sensing points in 10 seconds.
6, owing to be smoke temperature compound detection, so can survey the almost various condition of a fire in all directions, except that firewood, cotton fiber smoldering fire, can also survey firewood, cotton goods naked light, smokeless or few cigarette such as polyfoam fire, chemicals fire, gasoline fire, alcohol fire, or black smoke is the main condition of a fire.
7, owing to fire characteristic signal and undesired signal are all carried out mathematics manipulation, so reduced rate of false alarm effectively.
8, no any electronic component on the base of adapted has reduced the failure rate and the installation and maintenance requirement of base effectively.
9, use advanced electronics addressing technique, the setting of address code and any hardware setting are irrelevant, have improved reliability effectively.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a complex detector schematic block circuit diagram in the utility model;
Fig. 3 is a complex detector circuit electrical schematic diagram.
As Fig. 1, the utility model is made up of base 1, shielded backplane 2, circuit board 3, cover plate 4 and the complex detector circuit that is arranged on the circuit board 3, is provided with labyrinth type sense cigarette darkroom 5 above circuit board 3, and sense 5 bottom surfaces, cigarette darkroom are provided with infrared light power valve B
1With infrared light receiving tube B
2, circuit board 3 and complex detector circuit thereof are by lock shield cover 6 and shielded backplane 2 cappings, and the inner space between radome 6 and the cover plate 4 is temperature zone 7, is provided with voltage stabilizing diode B in the temperature zone 7
3As temperature-sensing element.Sense cigarette darkroom 5 and temperature zone 7 are that separately independently the sensitizing range does not overlap mutually like this, and work is independent of each other, and detecting function is separately given full play to.In the sense cigarette darkroom 5 an incorporated light chamber is arranged, this light chamber is divided into sending and receiving two parts, is formed by lighttight black polycarbonate or ABS compacting.Infrared light power valve B in the light chamber
1With infrared light receiving tube B
1The plane at axis place is vertical with ground (surface level), and they are settled on this same vertical plane in opposite directions, and their axis angle is the 134-136 degree.Because the light chamber is an integral structure, its operating error is very little, and overlooks downward vertical space, photoelectric device B owing to working in
1, B
2Dust accumulation influence greatly reduce.
Complex detector circuit of the present utility model such as Fig. 2,3, it by temperature sensing circuit, temperature amplifying circuit, infrared light radiating circuit, infrared light receiving circuit, smog amplifying circuit, constant current source, have analog-to-digital microprocessor N
2(model can be PIC16LC71) and memory N thereof
3(model can be 24LC01BI/P), communication interface circuit and electric power management circuit are formed, temperature sensing circuit is by voltage stabilizing diode B3 (model that this temperature-sensing element preferably adopts U.S. Motorola Inc. to produce is the voltage stabilizing diode of MT2J5.1B, the voltage stabilizing diode that perhaps adopts TOY and Hitachi, Ltd to produce), sheet wave filter Z1 (model can be EM I222Z), capacitor C
15, C
16Constitute, the temperature amplifying circuit is by amplifier N
1-1, resistance R
28, R
29, R
30, R
31, R
40, R
45, R
46With potentiometer PR
3, PR
4Constitute.The infrared light radiating circuit is by infrared light emitting diode B
1, Darlington V
1, V
2And resistance R
15Constitute.The infrared light receiving circuit is by infrared light reception diode B
2, resistance R
16, R
17And capacitor C
14Constitute.The smog amplifying circuit is by amplifier N
1-2, N
1-3, N
1-3, resistance R
18, R
19, R
20, R
22, R
32, R
33, R
38, R
39, potentiometer PR
2And capacitor C
7, C
8, C
9, C
13Constitute.Constant current source is by stabilivolt V
3And resistance R
1, R
21Constitute.Communication interface circuit is made up of interface receiving circuit and interface transtation mission circuit, and wherein the interface receiving circuit is by transistor V
6, resistance R
3, R
4, R
5, R
43And capacitor C
1, C
2Constitute, the interface transtation mission circuit is by transistor V
7, resistance R
7, R
8Constitute.Electric power management circuit is made up of low pressure mu balanced circuit, secondary low-voltage mu balanced circuit, emitter follower, bleeder circuit, output voltage controlling circuit, and its mesolow mu balanced circuit is by field effect transistor V
19, stabilivolt V
10, V
22, resistance R
12And capacitor C
6Constitute the DC voltage of its generation 6,2V.The secondary low-voltage mu balanced circuit is by transistor V
9, stabilivolt V
20, V
21, capacitor C
4, C
5And resistance R
46, R
11Constitute, it produces the DC low-voltage of 5.6V.Emitter follower is by transistor V
18, resistance R
42And capacitor C
12Constitute, it provides power supply to the infrared light radiating circuit.Bleeder circuit is by transistor V
8, resistance R
9, R
10, R
45And capacitor C
3Constitute, it produces the DC low-voltage of 3.5V, to microprocessor N
2Power supply is provided.Output voltage controlling circuit is by transistor V
4, stabilivolt V
5And resistance R
2Constitute, it provides power supply to temperature amplifying circuit and smog amplifying circuit.The input of temperature amplifying circuit is amplifier N
1-1Input end and the output of temperature sensor be sheet wave filter Z
1Output terminal link to each other, the input of smog amplifying circuit is amplifier N
1-2Input end and the output of infrared light receiving circuit be infrared light receiving tube B
2Positive pole link to each other, the output of temperature amplifying circuit is amplifier N
1-1Output terminal and the output of smog amplifying circuit be amplifier N
1-4Output terminal all with microprocessor N
2Input/output terminal link to each other N
2Input/output terminal be resistance R also with the input of constant current source
1An end link to each other, the output of constant current source is from stabilivolt V
3Negative pole to draw the input that connects the infrared light radiating circuit be transistor V
2Base input end.The input of the interface receiving circuit of communication interface circuit is transistor V
6Base stage by by bridge diode V
11-V
14, stabilivolt V
15, V
16And resistance R
13, R
4Reversal and the overvoltage crowbar formed link to each other with the detector loop bus, and the output of interface receiving circuit is V
6Collector and microprocessor N
2Input/output terminal link to each other.The input of the interface transtation mission circuit of communication interface circuit is transistor V
7Base stage and microprocessor N
2Input/output terminal link to each other, it is exported from V
7Collector draw, it also is connected to the detector loop bus by reversal and overvoltage crowbar.The input of electric power management circuit is field effect transistor V in the low pressure mu balanced circuit
19Drain electrode also by by bridge diode V
11-V
14, stabilivolt V
15, V
16And resistance R
13, R
14Reversal and the overvoltage crowbar formed link to each other with the detector loop bus, and the output of low pressure mu balanced circuit is V
19Grid be transistor V with the input of secondary low-voltage mu balanced circuit respectively
9Base stage and the input of emitter follower be transistor V
18Base stage link to each other, the output of secondary low-voltage mu balanced circuit is from V
9The emitter and collector input of drawing respectively with bleeder circuit be transistor V
8Collector and the input of output voltage controlling circuit be V
4Emitter-base bandgap grading link to each other, the output of electric power management circuit divides three the tunnel respectively from emitter follower V
18Emitter, bleeder circuit V
8Emitter and output voltage controlling circuit V
4Collector send V
18The emitter power input that connects the infrared light radiating circuit be transistor V
1Collector, V
8Emitter meet microprocessor N
2And memory N
3Power end, V
4Collector jointing temp amplifying circuit N
1-1With smog amplifying circuit N
1-2, N
1-3, N
1-4Power end.At microprocessor N
2Reset terminal be connected to by transistor V
17And resistance R
23-R
25The reset pulse of forming forms circuit, and it is used for guaranteeing microprocessor N
2Reaching just work under the normal working voltage.
When the utility model uses, according to the size of area of fire protection, a plurality of complex detectors of the present utility model are arranged on each fire prevention point, they all are connected on the detector loop bus of automatic fire alarm system.After the warning system start, at first inquire about the quantity of the complex detector that is connected on this bus and their address code by the detector loop bus, and be stored in the system, make each complex detector be in the monitoring state, and it is touring to each complex detector transmission query statement every certain hour, simultaneously, for reducing power consumption, each complex detector is at microprocessor N separately
2Control detect down regularly smokescope and temperature level in sense cigarette darkroom 5 and the temperature zone 7, i.e. N
2The timing controlled electric power management circuit is to infrared light radiating circuit, smog amplifying circuit, the power supply of temperature amplifying circuit under software control, gather at that time smoke signal and temperature signal, and the current state of complex detector is recycled to automatic alarm system according to the query statement of system.Under smoke particle effect can make infrared light radiating circuit B if certain some breaking out of fire can be full of smog in the complex detector sense cigarette darkroom 5 of this some this moment
1The infrared light generation diffuse reflection of sending, infrared light receiving circuit B
2Receive this irreflexive infrared signal after smog amplifier N
1-2, N
1-3, N
1-4Amplify and deliver to microprocessor N
2, temperature-sensing element B in the temperature zone 7 in the while detector
3The detected temperatures signal, and through temperature amplifier N
1-1Also deliver to microprocessor N after the amplification
2, N
2Under software control, smoke signal and temperature signal are handled, and made the split pole judgement, fire characteristic signal and undesired signal are all carried out mathematics manipulation, and be stored in its memory N
3In, when automatic fire alarm system inquires this detector, N
2Just current fire signal is recycled to system, make system in time understand the fire condition of this detector region, and in time send wide alerting signal, and demonstrate the position and the fire time of origin of this detector simultaneously, be convenient to the operator on duty and in time take appropriate measures.
The utility model is connected to a failure detector circuit between electric power management circuit and microprocessor.This testing circuit is by resistance R
15And R
36Form, it takes out from the infrared light pulse radiating circuit and detects voltage for microprocessor N2 detection.The utility model can detect automatically to the duty of complex detector circuit like this, and the normality value of smog and temperature signal is monitored automatically, sends corresponding failure message when going wrong.
Claims (8)
1, a kind of smart point type photoelectric smoke temperature inductive combined fire detector, it is made up of base (1), shielded backplane (2), circuit board (3), cover plate (4) and complex detector circuit, be provided with sense cigarette darkroom (5) in circuit board (3) top, be provided with infrared light power valve B in sense bottom surface, cigarette darkroom (5)
1With infrared light receiving tube B
2, on circuit board (3), be provided with lock shield cover (6), it is characterized in that:
A. the inner space between radome (6) and the cover plate (4) is temperature zone (7), and the temperature zone is provided with voltage stabilizing diode B in (7)
3As temperature-sensing element;
B. described complex detector circuit is by temperature sensing circuit; the temperature amplifying circuit; the infrared light radiating circuit; the outer optical receiving circuit of larynx; the smog amplifying circuit; constant current source; have analog-to-digital microprocessor and memory thereof; communication interface circuit and electric power management circuit are formed; the input jointing temp sensing circuit of temperature amplifying circuit; the input of smog amplifying circuit connects the infrared light receiving circuit; their output all links to each other with microprocessor; microprocessor links to each other with the infrared light radiating circuit by constant current source; communication interface circuit all links to each other with the detector loop bus of automatic fire alarm system by reversal and overvoltage crowbar with electric power management circuit; all link to each other simultaneously with microprocessor; electric power management circuit receives the steering order of microprocessor, and under its instruction control to each circuit supply.
2, by the described smart point type of claim 1 photoelectric smoke temperature inductive combined fire detector, it is characterized in that the infrared light radiating circuit is by infrared light emitting diode B
1, Darlington V
1, V
2And resistance R
15Constitute, the infrared light receiving circuit is by infrared light reception diode B
2, resistance R
16, R
17And capacitor C
14Constitute, be arranged in the infrared light power valve B of sense light chamber, cigarette darkroom (5)
1With infrared light receiving tube B
1The plane at axis place is vertical with day water plane, and they are settled on this same vertical plane in opposite directions, and their axis angle is the 134-136 degree.
3, by the described smart point type of claim 1 photoelectric smoke temperature inductive combined fire detector, it is characterized in that described temperature sensing circuit is by voltage stabilizing diode B
3, sheet wave filter Z
1, capacitor C
15, C
16Constitute, the temperature amplifying circuit is by amplifier N
1-1, resistance R
28, R
29, R
30, R
31, R
40, R
45, R
46With potentiometer PR
3, PR
4Constitute, the input of temperature amplifying circuit is amplifier N
1-1Input end and the output of temperature sensor be sheet wave filter Z
1Output terminal link to each other.
4, by the described smart point type of claim 1 photoelectric smoke temperature inductive combined fire detector, it is characterized in that described smog amplifying circuit is by amplifier N
1-2, N
1-3, N
1-3, resistance R
18, R
19, R
20, R
22, R
32, R
33, R
38, R
39, potentiometer PR
2And capacitor C
7, C
8, C
9, C
13Constitute.Constant current source is by stabilivolt V
3And resistance R
1, R
21Constitute, the input of smog amplifying circuit is amplifier N
1-2Input end and the output of infrared light receiving circuit be infrared light receiving tube B
2Positive pole link to each other, the output of temperature amplifying circuit is amplifier N
1-1Output terminal and the output of smog amplifying circuit be amplifier N
1-4Output terminal all with microprocessor N
2Input/output terminal link to each other.
5, by the described smart point type of claim 1 photoelectric smoke temperature inductive combined fire detector, it is characterized in that described communication interface circuit is made up of interface receiving circuit and interface transtation mission circuit, wherein the interface receiving circuit is by transistor V
6, resistance R
3, R
4, R
5, R
43And capacitor C
1, C
2Constitute, the interface transtation mission circuit is by transistor V
7, resistance R
7, R
8Constitute, the input of interface receiving circuit is transistor V
6Base stage by by bridge diode V
11-V
14, stabilivolt V
15, V
16And resistance R
13, R
4Reversal and the overvoltage crowbar formed link to each other with the detector loop bus, and the output of interface receiving circuit is collector and the microprocessor N of V6
2Input/output terminal link to each other, the input of interface transtation mission circuit is transistor V
7Base stage and microprocessor N
2Input/output terminal link to each other, it is exported from V
7Collector draw, it also is connected to the detector loop bus by reversal and overvoltage crowbar.
6, by the described smart point type of claim 1 photoelectric smoke temperature inductive combined fire detector, it is characterized in that described electric power management circuit is made up of low pressure mu balanced circuit, secondary low-voltage mu balanced circuit, emitter follower, bleeder circuit, output voltage controlling circuit, its mesolow mu balanced circuit is by field effect transistor V
19, stabilivolt V
10, V
22, resistance R
12And capacitor C
6Constitute, the DC voltage of its generation 6,2V, the secondary low-voltage mu balanced circuit is by transistor V
9, stabilivolt V
20, V
21, capacitor C
4, C
5And resistance R
46, R
11Constitute, emitter follower is by transistor V
18, resistance R
42And capacitor C
12Constitute, it provides power supply to the infrared light radiating circuit, and bleeder circuit is by transistor V
8, resistance R
9, R
10, R
45And capacitor C
3Constitute, to microprocessor N
2Power supply is provided, and output voltage controlling circuit is by transistor V
4, stabilivolt V
5And resistance R
2Constitute, it provides power supply to temperature amplifying circuit and smog amplifying circuit, and the input of electric power management circuit is field effect transistor V in the low pressure mu balanced circuit
19Drain electrode by by bridge diode V
11-V
14, stabilivolt V
15, V
16And resistance R
13, R
14Reversal and the overvoltage crowbar formed link to each other with the detector loop bus, and the output of low pressure mu balanced circuit is V
19Grid be transistor V with the input of secondary low-voltage mu balanced circuit respectively
9Base stage and the input of emitter follower be transistor V
18Base stage link to each other, the output of secondary low-voltage mu balanced circuit is from V
9The emitter and collector input of drawing respectively with bleeder circuit be transistor V
8Collector and the input of output voltage controlling circuit be V
4Emitter-base bandgap grading link to each other, the output of electric power management circuit divides three the tunnel respectively from emitter follower V
18Emitter, bleeder circuit V
8Emitter and output voltage controlling circuit V
4Collector send V
18The emitter power input that connects the infrared light radiating circuit be transistor V
1Collector, V
8Emitter meet microprocessor N
2And memory N
3Power end, V
4Collector jointing temp amplifying circuit N
1-1With smog amplifying circuit N
1-2, N
1-3, N
1-4Power end.
7, by the described smart point type of claim 1 photoelectric smoke temperature inductive combined fire detector, it is characterized in that described constant current source is by stabilivolt V
3And resistance R
1, R
21Constitute microprocessor N
2Input/output terminal and the input of constant current source be resistance R
1An end link to each other, the output of constant current source is from stabilivolt V
3Negative pole to draw the input that connects the infrared light radiating circuit be transistor V
2Base input end.
8, by the described smart point type of claim 1 photoelectric smoke temperature inductive combined fire detector, it is characterized in that between electric power management circuit and microprocessor, being connected to a failure detector circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97247376 CN2319868Y (en) | 1997-09-30 | 1997-09-30 | Intelligent point-type photoelectric smoke sensing compound fire disaster detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97247376 CN2319868Y (en) | 1997-09-30 | 1997-09-30 | Intelligent point-type photoelectric smoke sensing compound fire disaster detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2319868Y true CN2319868Y (en) | 1999-05-19 |
Family
ID=33954849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97247376 Expired - Fee Related CN2319868Y (en) | 1997-09-30 | 1997-09-30 | Intelligent point-type photoelectric smoke sensing compound fire disaster detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2319868Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101866524A (en) * | 2010-05-28 | 2010-10-20 | 公安部沈阳消防研究所 | Linear infrared beam smoke fire detector and detection method thereof |
| CN101579559B (en) * | 2008-05-17 | 2013-07-17 | 于尔根·艾德曼 | Fire damping device |
| CN105303752A (en) * | 2015-11-03 | 2016-02-03 | 河南瑞远物联网科技有限公司 | Electrical fire monitoring and early warning system based on point type temperature sensing elements |
| CN105931417A (en) * | 2016-06-27 | 2016-09-07 | 宁波金盾电子工业股份有限公司 | Independent photoelectric smoke detection alarm |
| CN105931416A (en) * | 2016-06-27 | 2016-09-07 | 宁波金盾电子工业股份有限公司 | Independent photoelectric smoke sensing fire detection alarm |
| CN105957296A (en) * | 2016-06-27 | 2016-09-21 | 宁波金盾电子工业股份有限公司 | GSM-based automatic fire alarm system |
| CN109243132A (en) * | 2018-11-30 | 2019-01-18 | 江苏中实电子有限公司 | A kind of fire-extinguishing apparatus automatic temperature-sensed starter and method |
| RU194940U1 (en) * | 2019-03-11 | 2019-12-30 | федеральное государственное бюджетное образовательное учреждение высшего образования "Ульяновский государственный университет" | Fire detector with threshold indicator |
-
1997
- 1997-09-30 CN CN 97247376 patent/CN2319868Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101579559B (en) * | 2008-05-17 | 2013-07-17 | 于尔根·艾德曼 | Fire damping device |
| CN101866524A (en) * | 2010-05-28 | 2010-10-20 | 公安部沈阳消防研究所 | Linear infrared beam smoke fire detector and detection method thereof |
| CN105303752A (en) * | 2015-11-03 | 2016-02-03 | 河南瑞远物联网科技有限公司 | Electrical fire monitoring and early warning system based on point type temperature sensing elements |
| CN105931417A (en) * | 2016-06-27 | 2016-09-07 | 宁波金盾电子工业股份有限公司 | Independent photoelectric smoke detection alarm |
| CN105931416A (en) * | 2016-06-27 | 2016-09-07 | 宁波金盾电子工业股份有限公司 | Independent photoelectric smoke sensing fire detection alarm |
| CN105957296A (en) * | 2016-06-27 | 2016-09-21 | 宁波金盾电子工业股份有限公司 | GSM-based automatic fire alarm system |
| CN105931417B (en) * | 2016-06-27 | 2018-03-16 | 宁波金盾电子工业股份有限公司 | Free-standing photoelectric smoke detecting alarm |
| CN105931416B (en) * | 2016-06-27 | 2018-03-16 | 宁波金盾电子工业股份有限公司 | One kind is based on free-standing photoelectric smoke detecting alarm |
| CN109243132A (en) * | 2018-11-30 | 2019-01-18 | 江苏中实电子有限公司 | A kind of fire-extinguishing apparatus automatic temperature-sensed starter and method |
| RU194940U1 (en) * | 2019-03-11 | 2019-12-30 | федеральное государственное бюджетное образовательное учреждение высшего образования "Ульяновский государственный университет" | Fire detector with threshold indicator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1871623B (en) | Environment state detector | |
| CN2319868Y (en) | Intelligent point-type photoelectric smoke sensing compound fire disaster detector | |
| CN1095175A (en) | Photoelectric type fire detector | |
| EP0729123A1 (en) | Apparatus including a fire sensor and a non-fire sensor | |
| CN109889604B (en) | Internet of things terminal parameter management method and device and server | |
| CN106056831B (en) | Smog alarm control method and its system based on computer disposal | |
| CN113269034A (en) | Power distribution station scene linkage system and method based on content identification | |
| CN116050715B (en) | Forest protection fireproof safety supervision system | |
| CN2535804Y (en) | Intelligent ight-temp. composite detector | |
| CN105469529A (en) | Image type fire communication alarm device | |
| CN205334673U (en) | Intelligent cloud terminal of thing networking | |
| CN208521417U (en) | A kind of electric fire disaster warning monitoring device | |
| CN2045869U (en) | Automatic surveying, alarming and fire-extinguishing device for fire in room | |
| NO324427B1 (en) | Fire alarm system for early detection of fire | |
| CN202886353U (en) | Point-mode combustible gas detector | |
| CN213024039U (en) | Intelligent detection and management system for power distribution room environment | |
| CN209859263U (en) | Fire alarm device based on zinc oxide ultraviolet photoelectric detector | |
| CN210534937U (en) | Optical fiber perimeter protection alarm system | |
| CN209043371U (en) | A kind of environmental monitoring installation and system of power distribution room | |
| CN209560306U (en) | A kind of modularization building environment intelligent monitor system | |
| CN106067234A (en) | A kind of field data visual active infrared warning system | |
| CN1086493C (en) | Intelligent composite multiple-sensor fire detector | |
| CN2716507Y (en) | Bus type integrated protecting and monitoring device for belt conveyor | |
| CN203415060U (en) | Power line carrier wave communication intelligent visual perimeter alarm platform | |
| CN212300610U (en) | Based on thing networking detection device for management platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |