CN104574776A - Point type proactive smoke detecting detector - Google Patents
Point type proactive smoke detecting detector Download PDFInfo
- Publication number
- CN104574776A CN104574776A CN201510027055.6A CN201510027055A CN104574776A CN 104574776 A CN104574776 A CN 104574776A CN 201510027055 A CN201510027055 A CN 201510027055A CN 104574776 A CN104574776 A CN 104574776A
- Authority
- CN
- China
- Prior art keywords
- smoke detector
- point
- initiatively
- air
- receiving tube
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
- G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fire-Detection Mechanisms (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
Provided is a point type proactive smoke detector. The point type proactive smoke detector comprises a main control panel, a monitoring cavity, a sensor composed of a photoelectric transmitting tube and a photoelectric receiving tube and a ventilation device. The monitoring cavity is provided with an air inlet and an air outlet. The air inlet of the monitoring cavity directly faces the air outlet of the monitoring cavity. Airflow passing through the monitoring cavity passes through the two beams crossing region between the photoelectric transmitting tube and the photoelectric receiving tube. According to the point type proactive smoke detector, air inside a detecting region can be directly ventilated into the monitoring cavity from the air inlet of the monitor cavity, and therefore the alert detecting time of fire detection can be shortened, and the photoelectric transmitting tube and the photoelectric receiving tube can be flexibly arranged. In addition, a filtering layer arranged on the air inlet of the monitoring cavity is capable of easily solving the false alarm problem of the detector in an environment with high concentration of dust, and the influence of external light on the sensor inside the monitoring cavity is reduced. The detector can be installed on a ventilation air channel or other branch pipes as a smoke channel detector, and can be independently used as the point type proactive smoke detector by employing the arrangement of an air pump mode.
Description
Technical field
The invention belongs to fire fighting equipment technical field, particularly relate to a kind of point-type initiatively smoke detector.
Background technology
In fire protection sector, the principle of work of smoke point detector conventional is at present when soot dust granule diffuses in its monitoring chamber, thus after scattering is caused to the infrared light that the infraluminescence pipe in monitoring chamber sends, infrared receiving tube receives Infrared, and then master control borad (or claiming signal processing unit) judges and output alarm signal by analyzing.Because this detector relies on the convection current of air to make soot dust granule diffuse in monitoring chamber, therefore producing smog from fire early period of origination needs the regular hour just can diffuse in monitoring chamber, so cannot carry out timely monitoring, alarming to fire; In addition, in detector normally monitoring situation, not only have dust over time to be present in monitoring chamber, and soot dust granule also can spread and reside in monitoring chamber when fire occurs, thus have impact on detector sensitivity and real-time widely.
Disclose a kind of active inspiration type point type photoelectric smoke detector in No. 201310006786.3rd, Chinese invention patent, as shown in Figure 1, it comprises aspiration pump 27, monitoring chamber 23, the filtering layer 2 being with optics labyrinth and signal processing unit 5; Monitoring is provided with Infra-red luminous diode and receive diode 4 in chamber 23; Filtering layer 2 with optics labyrinth is arranged on air intake opening and the gas outlet in monitoring chamber 23; Aspiration pump 27 is located at the outside of monitoring gas outlet, chamber 23 filtering layer 2, it makes the air-flow of monitoring in chamber 23 accelerate by outside exhausting, and gas channel is: bottom detector, surrounding side-air intake opening filtering layer 2-monitors filtering layer 2-aspiration pump 27-detector top, 23-gas outlet, chamber; The shortcoming of this detector is that rate of false alarm is higher, and it should take to be with the filtering layer 2 in optics labyrinth to enter in monitoring chamber 23 to avoid extraneous light, also will prevent entering of small worm and bulky grain thing; The gas channel of this break-in simultaneously has to pass through two optical axis intersection points of the Infra-red luminous diode and receive diode 4 arranged in monitoring chamber 23, and during breaking out of fire, smog must rise from space and diffuse to the bottom of ceiling and detector, finally could enter in monitoring chamber 23 from air intake opening filtering layer 2.
A kind of false alarm prevention fire smoke detector is disclosed in No. 98241806.Xth, Chinese utility model patent, as shown in Figure 2, it mainly comprises smoke detector 3, inlet air filtration room 1, draft tube 12, electromagnetic pump 7, vent port 9, is located at gas-tight silo 11 outside smoke detector 3 and power supply, the draft tube 12 being provided with inlet air filtration room 1 and electromagnetic pump 7 at the air inlet position of smoke detector 3 and being connected between filter chamber 1 and electromagnetic pump 7, is provided with the vent port 9 of band air baffle at the position of giving vent to anger of smoke detector 3.In order to prevent electromagnetic pump 7 due to poorly sealed and ambient outside air is sent into smoke detector 3 without filter chamber 1, gas-tight silo 11 must make a seal casinghousing in the outside of smoke detector 3 induction part, electromagnetic pump part and connection control alarm portion thereof, and in order to stop the gas backstreaming of discharging from smoke detector 3, dividing plate must be added between the air inlet of smoke detector 3 and exhaust and separating.In addition, in order to ensure that air-flow has certain pressure when the draft tube 12 of filter chamber 1 and certain length thereof, the electromagnetic pump 7 that flow is very little, efficiency is very low must be adopted, even if the dust granules of more than 10 μm also can only be filtered out like this.In addition, this detector, in order to ensure normal operation, not only requires that the sealing of gas-tight silo 11 is high, and detector complicated integral structure, cost are high.
Summary of the invention
In order to solve the problem, the object of the present invention is to provide that a kind of structure is simple, straight inhales active and have the point-type initiatively smoke detector of dust reduction capability.
In order to achieve the above object, point-type provided by the invention initiatively smoke detector mainly comprises master control borad, monitoring chamber, is arranged in monitoring chamber and the sensor be made up of photoemission cell and receiving tube and the extractor fan also the air suction in search coverage can monitored in chamber that is connected with monitoring chamber, and monitor chamber and be provided with gas import and export, it is characterized in that: the gas feed on described monitoring chamber directly to gas vent, and through monitoring chamber in the two beam crosses regions of air-flow through described photoemission cell and receiving tube.
Described photoemission cell and receiving tube are respectively infrared light emission pipe and receiving tube, or are respectively LASER Discharge Tube and the receiving tube of ruddiness, blue light or green glow.
Angle between two beam center axis between described photoemission cell and receiving tube for being greater than 0 degree, and is less than 180 degree.
Described through the plane being perpendicular or parallel of the air-flow in monitoring chamber with two beam center axis places described photoemission cell and receiving tube.
Described point-type initiatively smoke detector also comprises gas sensor or/and temperature sensor.
Described gas sensor is carbon monoxide, sulphuric dioxide, carbon dioxide, ammonia, sulfuretted hydrogen or oxynitrides gas sensor.
Described extractor fan is the aspiration pump being arranged on gas feed or gas outlet on described monitoring chamber, or air draft passage.
Described aspiration pump is the Minitype centrifugal of variable-ratio or axial flow blower or minipump aspiration pump.
Described point-type initiatively smoke detector also comprises the filter element being arranged on gas feed place on described monitoring room.
In described filter element, filtering layer adopts air filter paper or polypropylene non-woven cloth material.
Described point-type initiatively smoke detector also comprises the air velocity transducer in the gas circuit being provided through air-flow process in monitoring chamber.
Described air velocity transducer selects platinum resistance, germanium thermistor or ultrasonic wind speed sensor.
Described aspiration pump is Minitype centrifugal or axial flow blower or minipump.Described aspiration pump variable-ratio.
Gas suction in search coverage can directly be monitored in chamber from gas feed monitoring chamber by point-type provided by the invention initiatively smoke detector, the alert detecting time of detection can be shortened like this, and photoemission cell, receiving tube can be arranged flexibly, and without the need to requiring that it must perpendicular to detector chassis; In addition, the filtering layer being arranged on gas feed place on monitoring chamber can not only be easy to the problem solving detector wrong report in the large environment of dust, and decreases the impact of ambient light on sensor in monitoring chamber; Especially the air velocity transducer increased can be in dust blockage problem in high dust environment for a long time to detector and monitor, and filter element replacing prompting message can be sent, it can be arranged on bleed air channel or its arm and use as flue detector, also can adopt the mode arranging aspiration pump and independently use as point-type active smoke detector.
Accompanying drawing explanation
Fig. 1 is a kind of active inspiration type point type photoelectric smoke detector structural representation of prior art.
Fig. 2 is a kind of false alarm prevention fire smoke detector structural representation of prior art.
The point-type that Fig. 3 provides for the embodiment of the present invention 1 is the structure forward cut-open view of smoke detector when sucking the plane being perpendicular at two beam center axis places of air-flow and power valve and receiving tube initiatively.
Fig. 4 is the initiatively smoke detector transverse sectional view of the point-type shown in Fig. 3.
The point-type that Fig. 5 provides for the embodiment of the present invention 2 is the structure forward cut-open view of smoke detector when sucking the plane parallel at two beam center axis places of air-flow and power valve and receiving tube initiatively.
Fig. 6 is the initiatively smoke detector transverse sectional view of the point-type shown in Fig. 5.
The point-type initiatively smoke detector structure forward cut-open view of the band aspiration pump that Fig. 7 provides for the embodiment of the present invention 3.
The point-type initiatively smoke detector structure forward cut-open view of the band filter element that Fig. 8 provides for the embodiment of the present invention 4.
The point-type initiatively smoke detector structure forward cut-open view of the band air velocity transducer that Fig. 9 provides for the embodiment of the present invention 5.
Embodiment
Below in conjunction with drawings and the specific embodiments, point-type active smoke detector provided by the invention is described in detail.
Embodiment 1:
As shown in Figure 3 and Figure 4, point-type active smoke detector (for infrared light sensation cigarette) that the present embodiment provides comprises the monitoring chamber 23 with gas import and export, the sensor 24 be made up of infrared emission tube and receiving tube and master control borad 25; Wherein sensor 24 is arranged in monitoring chamber 23, and suck the two light beam intersecting areas of air-flow through sensor 24 between infrared emission tube and receiving tube in monitoring chamber 23 from gas feed, master control borad 25 is electrically connected with sensor 24, is used for detecting sensor electrical quantity change and carry out judging and export fault or fire alarm signal.
Illustrate: two light beams between infrared emission tube and receiving tube are for power valve, in fact be exactly the light beam of the cone shape being starting point transmitting from power valve, and concerning receiving tube, be exactly take receiving tube as a branch of virtual optical of the cone shape that starting point receives.Two beam center axis between infrared emission tube and receiving tube refer to the central axis of above-mentioned two cones.
In the present embodiment, gas import and export lays respectively at end face and the bottom surface in monitoring chamber 23, in this case, by the plane being perpendicular at two beam center axis places on the air-flow in the suction monitoring chamber 23 shown in arrow and sensor 24 between infrared emission tube and receiving tube.
Master control borad 25 in the present embodiment is horizontally set on bottom in monitoring chamber 23, in this case, the plane at two beam center axis places on sensor 24 between infrared emission tube and receiving tube is passed perpendicularly through for enabling above-mentioned suction air-flow concentrate, and two light beam intersecting areas on sensor 24 between infrared emission tube and receiving tube, need the middle part perforate at master control borad 25; Master control borad 25 can certainly be arranged on and air-flow can not be hindered through monitoring chamber 23 and any position of two light beam intersecting areas on sensor 24 infrared emission tube and receiving tube, it is outside such as to monitor chamber 23.
Described master control borad 25 (also known as signal processing unit) comprises microprocessor, photoelectric conversion unit and signal output unit; Wherein:
Microprocessor is used for the smoke signal of photoelectric conversion unit 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;
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 system.
The point-type active smoke detector that the present embodiment provides generally is arranged on air channel and is responsible on upper or its arm, can use as air channel point detector or distributing point detector.When described point-type initiatively smoke detector to be arranged on the main road of above-mentioned air channel or on its arm time, air channel blower fan is utilized to suck ambient outside air, gas feed in above-mentioned point-type initiatively smoke detector is entered the inside in monitoring chamber 23 by this gas, then through sensor 24, discharge from gas vent afterwards.Once sensor 24 breaks down or occurs smoke particle in ambient outside air, the master control borad 25 be connected with sensor 24 will detect that ANOMALOUS VARIATIONS appears in the electrical quantity of sensor 24, therefore, it is possible to judge that sensor 24 breaks down or breaking out of fire immediately, thus export fault or fire alarm signal.
The infrared sensor that described sensor 24 can be made up of infrared emission tube and receiving tube, the laser sensor that also can be made up of the LASER Discharge Tube of ruddiness, blue light or green-light source and receiving tube, or above-mentioned infrared sensor or laser sensor and gas sensor, the combination of at least one in temperature sensor.
Described gas sensor is carbon monoxide, sulphuric dioxide, carbon dioxide, ammonia, sulfuretted hydrogen or oxynitrides gas sensor etc.
Embodiment 2
As shown in Figure 5 and Figure 6, point-type active smoke detector (for infrared light sensation cigarette) that the present embodiment provides comprises the monitoring chamber 23 with gas import and export, the sensor 24 be made up of infrared emission tube and receiving tube and master control borad 25; Wherein sensor 24 is arranged in monitoring chamber 23, and suck the two light beam intersecting areas of air-flow through sensor 24 between infrared emission tube and receiving tube in monitoring chamber 23 from gas feed, master control borad 25 is electrically connected with sensor 24, is used for detecting sensor electrical quantity change and carry out judging and export fault or fire alarm signal.
In the present embodiment, gas import and export lays respectively at two sides relative on monitoring chamber 23, in this case, by the plane parallel at two beam center axis places on the air-flow in the suction monitoring chamber 23 shown in arrow and sensor 24 between infrared emission tube and receiving tube.
Master control borad 25 can be horizontally set on bottom in monitoring chamber 23 according to the mode shown in Fig. 5 and Fig. 6, thus parallel with the plane at two beam center axis places on sensor 24 between infrared emission tube and receiving tube; Also can arrange according to the mode shown in Fig. 3; As long as master control borad 25 can not hinder air-flow through monitoring chamber 23 and two beam crosses regions on sensor 24 infrared emission tube and receiving tube when being arranged on any position inside and outside monitoring chamber 23.
The point-type that the present embodiment provides initiatively is responsible on upper or its arm in the smoke detector air channel that is generally arranged on the same manner as in Example 1, can use as air channel point detector or distributing point detector.Its course of work and alarm principle, with embodiment 1, therefore no longer repeat here.
The infrared sensor that described sensor 24 can be made up of infrared emission tube and receiving tube, the laser sensor that also can be made up of the LASER Discharge Tube of ruddiness, blue light or green-light source and receiving tube, or above-mentioned infrared sensor or laser sensor and gas sensor, the combination of at least one in temperature sensor.
Described gas sensor is carbon monoxide, sulphuric dioxide, carbon dioxide, ammonia, sulfuretted hydrogen or oxynitrides gas sensor etc.
Embodiment 3
The point-type provided for making embodiment 1 or 2 initiatively smoke detector is not only applied on air channel supervisor or its arm, but can be used alone, as shown in Figure 7, the point-type that the present embodiment provides initiatively smoke detector is entering or gas outlet place increase aspiration pump 27 in its monitoring chamber 23 on the point-type active smoke detector basis that embodiment 1 or 2 provides, and aspiration pump 27 is electrically connected with master control borad 25, other parts are identical with embodiment 1 or 2.
The point-type that the present embodiment provides initiatively smoke detector can be arranged in area of fire protection or fire hazard region, aspiration pump 27 can be directly utilized the ambient outside air in this region to be sucked the inside in monitoring chamber 23 by the gas feed on monitoring chamber 23, then through sensor 24, discharge from gas vent afterwards.Once sensor 24 breaks down or occurs smoke particle in ambient outside air, the master control borad 25 be connected with sensor 24 will detect that ANOMALOUS VARIATIONS appears in the electrical quantity of sensor 24, therefore, it is possible to judge that sensor 24 breaks down or breaking out of fire immediately, thus export fault or fire alarm signal.
Embodiment 4
Although the point-type that above-described embodiment 1-3 provides initiatively smoke detector can be applied in clean place or general environment place, ambient outside air in search coverage initiatively can suck and monitors in chamber 23 and detect in time by it, thus substantially reduce the detection time of detector to surveyed area internal and external environment gas, if but when above-mentioned detector being applied to the more severe place of such as dust, just likely there is wrong report or problem of not reporting to the police in this point-type initiatively smoke detector.
In order to solve this problem, as shown in Figure 8, the point-type that the present embodiment provides initiatively smoke detector is the filter element 21 of gas feed place setting for filtering dust of monitoring chamber 23 on the point-type active smoke detector described in embodiment 1-3, and other parts are identical with embodiment 1-3.
Described filter element 21 can select different types according to the particle size of detector monitors material, and such as filtering layer adopts the filtrator etc. of air filter paper or polypropylene non-woven fabric.
Embodiment 5
The point-type provided to prevent embodiment 4 initiatively smoke detector occurs because dust too much causes filtering layer on filter element 21 to occur blocking in During Process of Long-term Operation, thus cause detector can not detection alarm in time, therefore need to remind maintainer to carry out the problem of changing or cleaning in time, as shown in Figure 9, point-type that the present embodiment provides initiatively smoke detector be end before or after the aspiration pump 27 of described in example 4 point-type initiatively smoke detector gas circuit on set up air velocity transducer 26, and air velocity transducer 26 is electrically connected with master control borad 25, other parts are identical with embodiment 4.
Described air velocity transducer 26 adopts the type air velocity transducers such as platinum resistance, germanium thermistor or ultrasound wave.
Described aspiration pump 27 is the Minitype centrifugal of variable-ratio or axial flow blower or minipump aspiration pump, and it can be serious gradually and strengthen rotating speed along with filtering layer chocking-up degree.
Under normal circumstances, the point-type that the present embodiment provides initiatively smoke detector is arranged in search coverage, it directly utilizes aspiration pump 27 by filter element 21 suction of the ambient outside air in search coverage by gas feed place on monitoring chamber 23, then through sensor 24, air velocity transducer 26 in gas circuit is arranged on by Real-Time Monitoring air-flow size; When master control borad 25 detects that the electrical quantity of sensor 24 exports fire alarm when reaching fire alarm threshold value; When master control borad 25 detect in sensor 24, air velocity transducer 26 and aspiration pump 27 arbitrary break down time, master control borad 25 exports fault-signal.
When master control borad 25 detects that the monitoring air-flow of air velocity transducer 26 is less than to a certain degree, and when sensor 24 and aspiration pump 27 do not break down, master control borad 25 will control aspiration pump 27 speed governing or directly send filter element 21 block information; If the monitoring air-flow of air velocity transducer 26 still can not improve after master control borad 25 directly or indirectly controls aspiration pump 27 speed governing, filter element 21 block information directly can be sent; If the monitoring air flow energy of air velocity transducer 26 improves after master control borad 25 directly or indirectly controls aspiration pump 27 speed governing, detector can continue to run, until master control borad 25 directly or indirectly control aspiration pump 27 speed governing again after the monitoring air-flow of air velocity transducer 26 can not improve, then send filter element 21 block information.
Claims (12)
1. a point-type initiatively smoke detector, mainly comprise master control borad (25), monitoring chamber (23), be arranged on and monitor in chamber (23) and the sensor (24) be made up of photoemission cell and receiving tube and the extractor fan also the air suction in search coverage can monitored in chamber (23) that is connected with monitoring chamber (23), and monitor chamber (23) to be provided with gas and to enter, outlet, it is characterized in that: the gas feed on described monitoring chamber (23) is directly to gas vent, and through the two beam crosses regions of air-flow through described photoemission cell and receiving tube in monitoring chamber (23).
2. point-type according to claim 1 initiatively smoke detector, is characterized in that: described photoemission cell and receiving tube are respectively infrared light emission pipe and receiving tube, or is respectively LASER Discharge Tube and the receiving tube of ruddiness, blue light or green glow.
3. point-type according to claim 1 initiatively smoke detector, is characterized in that: the angle between two beam center axis between described photoemission cell and receiving tube for being greater than 0 degree, and is less than 180 degree.
4. point-type according to claim 1 or 2 or 3 is smoke detector initiatively, it is characterized in that: described through monitoring the plane being perpendicular or parallel of the air-flow in chamber (23) with two beam center axis places described photoemission cell and receiving tube.
5. point-type according to claim 1 initiatively smoke detector, is characterized in that: described point-type initiatively smoke detector also comprises gas sensor or/and temperature sensor.
6. point-type according to claim 5 initiatively smoke detector, is characterized in that: described gas sensor is carbon monoxide, sulphuric dioxide, carbon dioxide, ammonia, sulfuretted hydrogen or oxynitrides gas sensor.
7. point-type according to claim 1 initiatively smoke detector, is characterized in that: described extractor fan is the aspiration pump (27) being arranged on the upper gas feed of described monitoring chamber (23) or gas outlet, or air draft passage.
8. point-type according to claim 7 initiatively smoke detector, is characterized in that: the Minitype centrifugal that described aspiration pump (27) is variable-ratio or axial flow blower or minipump aspiration pump.
9. point-type according to claim 1 initiatively smoke detector, is characterized in that: described point-type initiatively smoke detector also comprises the filter element (21) being arranged on upper gas feed place of described monitoring room (23).
10. point-type according to claim 9 initiatively smoke detector, is characterized in that: in described filter element (21), filtering layer adopts air filter paper or polypropylene non-woven cloth material.
11. point-type according to claim 1 initiatively smoke detector, is characterized in that: described point-type initiatively smoke detector also comprises the air velocity transducer (26) in the gas circuit being provided through monitoring chamber (23) interior air-flow process.
12. point-type according to claim 11 initiatively smoke detector, is characterized in that: described air velocity transducer (6) selects platinum resistance, germanium thermistor or ultrasonic wind speed sensor.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510027055.6A CN104574776A (en) | 2015-01-20 | 2015-01-20 | Point type proactive smoke detecting detector |
| CN201510894317.9A CN105374154B (en) | 2015-01-20 | 2015-12-08 | With or without the point-type active smoke detector and sampling system of air collecting pipe |
| PCT/CN2016/071249 WO2016116024A1 (en) | 2015-01-20 | 2016-01-18 | Point-type active smoke detector with or without gas sampling tube and air sampling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510027055.6A CN104574776A (en) | 2015-01-20 | 2015-01-20 | Point type proactive smoke detecting detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104574776A true CN104574776A (en) | 2015-04-29 |
Family
ID=53090726
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510027055.6A Pending CN104574776A (en) | 2015-01-20 | 2015-01-20 | Point type proactive smoke detecting detector |
| CN201510894317.9A Active CN105374154B (en) | 2015-01-20 | 2015-12-08 | With or without the point-type active smoke detector and sampling system of air collecting pipe |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510894317.9A Active CN105374154B (en) | 2015-01-20 | 2015-12-08 | With or without the point-type active smoke detector and sampling system of air collecting pipe |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN104574776A (en) |
| WO (1) | WO2016116024A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016116024A1 (en) * | 2015-01-20 | 2016-07-28 | 西安博康电子有限公司 | Point-type active smoke detector with or without gas sampling tube and air sampling system |
| CN106959355A (en) * | 2017-04-19 | 2017-07-18 | 杨和生 | active gas sensor |
| CN107516397A (en) * | 2017-09-28 | 2017-12-26 | 深圳市泰和安科技有限公司 | Optical detector of fire smoke |
| CN112439276A (en) * | 2020-11-04 | 2021-03-05 | 王建 | Smoke inductor is used to workshop safety |
| CN112525857A (en) * | 2020-11-26 | 2021-03-19 | 合肥铜冠信息科技有限责任公司 | Multi-verification motor vehicle exhaust remote measuring device and verification method |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SG11201906522XA (en) * | 2017-02-09 | 2019-08-27 | Gea Process Eng A/S | Early detection of smoldering powders in powder drying systems comprising a co gas detection system |
| CN110709902B (en) * | 2017-06-14 | 2021-09-14 | 报知希株式会社 | Alarm device |
| US11783688B2 (en) | 2018-03-13 | 2023-10-10 | Carrier Corporation | Aspirating detector system |
| CN110276927B (en) * | 2018-03-16 | 2024-05-28 | 科航（苏州）信息科技有限公司 | Waterproof infrared light smoke detector for throwing |
| CN108287069B (en) * | 2018-03-19 | 2023-06-20 | 华电电力科学研究院有限公司 | Connecting device and connecting method for fixing backrest tube and test port |
| CN109377710A (en) * | 2018-12-21 | 2019-02-22 | 黎耀呀 | It is a kind of can pole early stage security against fire fire alarm detection method and device |
| US11493229B2 (en) | 2019-03-20 | 2022-11-08 | Carrier Corporation | Chamberless wide area duct smoke detector |
| CN110068532B (en) * | 2019-04-18 | 2024-03-05 | 浙江东方职业技术学院 | Point-type optical fiber smoke-sensing fire detector with built-in light splitting optical fiber for signal indication |
| CN110570618B (en) * | 2019-08-30 | 2024-01-30 | 应急管理部沈阳消防研究所 | Point-type air suction type fire detection system and method based on two buses |
| EP3907715A1 (en) | 2020-05-08 | 2021-11-10 | Carrier Corporation | Detection of a clogged filter in an aspirating detection system |
| US11506586B2 (en) | 2020-08-17 | 2022-11-22 | Carrier Corporation | Photoelectric smoke sensor tube |
| CN113611073A (en) * | 2021-07-27 | 2021-11-05 | 北京众合安消防技术有限公司 | Quick detection device of fire alarm system |
| CN114540177B (en) * | 2022-04-25 | 2022-07-01 | 至美时代生物智能科技(北京)有限公司 | Impact type air sampler |
| CN116311762B (en) * | 2023-03-24 | 2023-09-12 | 青岛峻海物联科技有限公司 | Internet of things smoke sensing device with ignition point sensing function and application method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3714926B2 (en) * | 2002-08-22 | 2005-11-09 | ホーチキ株式会社 | Sampling tube smoke detector |
| JP2008077473A (en) * | 2006-09-22 | 2008-04-03 | Hochiki Corp | Smoke sensor |
| US7786880B2 (en) * | 2007-06-01 | 2010-08-31 | Honeywell International Inc. | Smoke detector |
| CN101727727B (en) * | 2009-11-30 | 2011-06-15 | 西安博康电子有限公司 | Suction-type double detection smoke-sensing fire detection system and alarm method thereof |
| CN203025892U (en) * | 2013-01-08 | 2013-06-26 | 中国科学技术大学 | Active aspiration point type photoelectric smoke sensing detector |
| CN104574776A (en) * | 2015-01-20 | 2015-04-29 | 西安博康电子有限公司 | Point type proactive smoke detecting detector |
| CN204423580U (en) * | 2015-01-20 | 2015-06-24 | 西安博康电子有限公司 | A kind of point-type initiatively smoke detector |
-
2015
- 2015-01-20 CN CN201510027055.6A patent/CN104574776A/en active Pending
- 2015-12-08 CN CN201510894317.9A patent/CN105374154B/en active Active
-
2016
- 2016-01-18 WO PCT/CN2016/071249 patent/WO2016116024A1/en active Application Filing
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016116024A1 (en) * | 2015-01-20 | 2016-07-28 | 西安博康电子有限公司 | Point-type active smoke detector with or without gas sampling tube and air sampling system |
| CN106959355A (en) * | 2017-04-19 | 2017-07-18 | 杨和生 | active gas sensor |
| CN107516397A (en) * | 2017-09-28 | 2017-12-26 | 深圳市泰和安科技有限公司 | Optical detector of fire smoke |
| CN107516397B (en) * | 2017-09-28 | 2023-04-07 | 深圳市泰和安科技有限公司 | Photoelectric smoke detector |
| CN112439276A (en) * | 2020-11-04 | 2021-03-05 | 王建 | Smoke inductor is used to workshop safety |
| CN112525857A (en) * | 2020-11-26 | 2021-03-19 | 合肥铜冠信息科技有限责任公司 | Multi-verification motor vehicle exhaust remote measuring device and verification method |
| CN112525857B (en) * | 2020-11-26 | 2023-09-05 | 合肥铜冠信息科技有限责任公司 | Multi-verification motor vehicle tail gas remote measuring device and verification method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105374154B (en) | 2017-11-28 |
| CN105374154A (en) | 2016-03-02 |
| WO2016116024A1 (en) | 2016-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104574776A (en) | Point type proactive smoke detecting detector | |
| CN204423580U (en) | A kind of point-type initiatively smoke detector | |
| CN100454349C (en) | Improvements relating to smoke detectors particularly ducted smoke detectors | |
| AU2010255496B2 (en) | Gas detector apparatus | |
| CN101727727B (en) | Suction-type double detection smoke-sensing fire detection system and alarm method thereof | |
| CN104110869A (en) | Has CH4Gas water heater with CO and ignition monitoring device and alarm function | |
| US11828687B2 (en) | Detection of a clogged filter in an aspirating detection system | |
| CN201716810U (en) | Aspiration double-detection smoke-sensitive fire detecting system | |
| CN103996263A (en) | Air suction type airplane cargo fire disaster detector with smog gas sensing function | |
| CN112802294B (en) | Smoke alarm with spraying function | |
| CN104848506A (en) | Indoor air monitoring system | |
| KR100988386B1 (en) | Dust eliminator of fire detector | |
| CN205942988U (en) | Formula of breathing in smoke fire detector | |
| JP2019070992A (en) | Fire alarm system | |
| CN206672310U (en) | One kind can automatic sensing alarming device | |
| CN210113425U (en) | Exhaust pipe fire prevention valve with smog detection device | |
| CN206980753U (en) | A kind of Biohazard Safety Equipment provided with Intelligent exhaust device | |
| CN109406721A (en) | A kind of gas detection method based on pneumatic detection | |
| CN215954457U (en) | Air suction type fire detection device with cleaning system | |
| CN113034838B (en) | Fire smoke detector combined with terahertz wave detection | |
| CN206132727U (en) | Operating room real -time monitoring system | |
| CN205899741U (en) | Smoke alarm device | |
| CN205910804U (en) | Driver's cabin smog detection alarm based on armoured forest fire -fighting equipment of full topography of caterpillar type | |
| CN208765277U (en) | A kind of safety device of gas heater | |
| CN207153329U (en) | The report block apparatus of smoke purifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150429 |