CN201278184Y - Improved independent smoke sensing fire disaster probing alarm - Google Patents
Improved independent smoke sensing fire disaster probing alarm Download PDFInfo
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- CN201278184Y CN201278184Y CNU2008201862481U CN200820186248U CN201278184Y CN 201278184 Y CN201278184 Y CN 201278184Y CN U2008201862481 U CNU2008201862481 U CN U2008201862481U CN 200820186248 U CN200820186248 U CN 200820186248U CN 201278184 Y CN201278184 Y CN 201278184Y
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Abstract
The utility model relates to an improved independent type smoke sensing fire monitoring alarm which not only enhances the sensitivity of an infrared sensor for black smoke, but also improves the high-temperature environment adaptive capacity of the alarm and also can ensure that the alarm still keeps the sensitiveness for smoke under the high-temperature condition of 55 DEG C so as to play an effective role in fire monitoring alarm. The improved independent type smoke sensing fire monitoring alarm comprises an encloser, a middle seat and a base, wherein the middle seat is provided with a printed circuit board and a battery, and the printed circuit board is provided with a control circuit device which comprises a CPU processing circuit device and periphery interface circuit devices; each periphery interface circuit device comprises a regulated power supply circuit device, a battery voltage detection circuit device, an acoustic signal driving circuit device, a testing circuit device, an alarm lamp circuit device and a smoke detection circuit device, wherein the smoke detection circuit device comprises an infrared emitting circuit device and an infrared receiving circuit device, and each periphery interface circuit device is connected with the CPU processing circuit device in an electrical control way. In addition, the improved independent type smoke sensing fire monitoring alarm is characterized in that the periphery interface circuit device also comprises an environment temperature detection circuit device which is provided with a thermal resistor.
Description
(1) technical field
The utility model relates to the panalarm field, is specially a kind of free-standing smoke detecting alarm of improvement.
(2) background technology
Existing free-standing fire detecting and alarm equipment, it comprises shell, middle seat and base, button and warning alarm lamp leaded light post are installed on the shell, on the seat printed circuit board (PCB), battery are installed in described, described circuit board is provided with electric control gear, electric control gear comprises CPU treatment circuit and peripheral interface circuit, and peripheral interface circuit is made up of acoustical signal driving circuit, alarm lamp circuit, Smoke Detection circuit (being infrared emission circuit and infrared receiving circuit), test circuit, battery voltage detection circuit, power circuit; Infrared receiving circuit, test circuit, battery voltage detection circuit are passed to CPU with relevant information, finish the detection of fire alarm information, detecting information, battery voltage information, CPU is according to each information state, the in good time startup of guide sound optical alarm circuit, its shortcoming is: it adopts single infrared sensing information to gather fire alarm, and the infrared sensing device is very low to the sensitivity of black smoke, in the fire that only produces black smoke, often will just can send alerting signal in the late period after fire takes place; In addition, existing its environment for use temperature of free-standing fire detecting and alarm equipment only need reach 50 ℃, but in European standard, the environment for use temperature of the type detecting alarm need reach 55 ℃, because of the sensitivity when the high temperature of infrared sensing device obviously reduces, make existing product after reaching 55 degrees centigrade, smog is become very insensitive, thereby make the high temperature consistance not reach the new standard requirement.
(3) summary of the invention
At the problems referred to above, the utility model provides a kind of free-standing smoke detecting alarm of improvement, it has not only improved the sensitivity of infrared sensor to black smoke, and strengthened the hot environment adaptive faculty of alarm, guarantee that alarm still can keep the susceptibility to smog under the situation of 55 ℃ of high temperature, play effective fire detecting and alarm effect.
Its technical scheme is such: it comprises outer cover, middle seat and base, on the seat printed circuit board (PCB) is installed in described, battery, on the described circuit board smoke-box is installed, described smoke-box comprises labyrinth and labyrinth seat, described labyrinth seat is installed on the described printed circuit board (PCB), described printed circuit board (PCB) is provided with control circuit device, described control circuit device comprises CPU processing circuit unit and peripheral interface circuit device, described peripheral interface circuit device comprises the voltage-stabilized power supply circuit device, the battery voltage detection circuit device, the acoustical signal driving circuit device, test circuit device, alarm lamp circuit arrangement and Smoke Detection circuit arrangement, described Smoke Detection circuit arrangement comprises infrared emission circuit arrangement and infrared receiving circuit device, described each peripheral interface circuit device and described CPU processing circuit unit electricly connect, it is characterized in that: described peripheral interface circuit device also comprises environment temperature detection circuit device, and described environment temperature detection circuit device is provided with thermistor.
It is further characterized in that: connect with resistance after thermistor described in the described environment temperature detection circuit device and the electric capacity parallel connection; Described peripheral interface circuit device also comprises the interconnecting function circuit arrangement; Interconnected printed circuit board (PCB) is installed on the described base, and described printed circuit board (PCB) is provided with the connecting circuit device; Connecting circuit device on described interconnecting function circuit arrangement and the described interconnected printed circuit board (PCB) electricly connects; Incorporate test button and warning alarm lamp leaded light post are installed on the described outer cover; Carry incorporate hummer resonator cavity on the seat in described.
Use the utility model stand alone type smoke detecting alarm, its environment temperature is surveyed with the infrared smoke detection and is combined, improve the sensitivity of detection greatly, particularly improved 55 ℃ of fire under the situation of detection sensitivity detector reaches to(for) black smoke fire and environment temperature; In addition, the utility model has also increased the network alarm function; The design of incorporate test button on the outer cover and warning alarm lamp leaded light post solves the problem that existing product needs " test button " and " leaded light post " distinguished designing mould, die sinking expense in the saving, and simplified the program of practical set; Carry incorporate hummer resonator cavity on the middle seat, avoided the employing of finished product hummer in the past, saved cost of products.
(4) description of drawings
Fig. 1 is the utility model textural association synoptic diagram;
Fig. 2 is an electric control principle block scheme of the present utility model;
Fig. 3 is a printed circuit board (PCB) control circuit schematic diagram;
Fig. 4 is the voltage-stabilized power supply circuit schematic diagram;
Fig. 5 is the battery voltage detection circuit schematic diagram;
Fig. 6 is an acoustical signal driving circuit schematic diagram;
Fig. 7 is an alarm lamp circuit schematic diagram;
Fig. 8 is the infrared emission circuit theory diagrams;
Fig. 9 is the infrared receiving circuit schematic diagram;
Figure 10 is the interconnecting function circuit theory diagrams;
Figure 11 is interconnected printed circuit board (PCB) connecting circuit schematic diagram.
(5) embodiment
See Fig. 1, Fig. 3, Fig. 4, it comprises outer cover 1, middle seat 2 and base 3, on the middle seat 2 printed circuit board (PCB) 4 is installed, battery 5, on the printed circuit board (PCB) 4 smoke-box is installed, smoke-box comprises labyrinth 6 and labyrinth seat 5, labyrinth 6 is installed on the labyrinth seat 5, labyrinth seat 5 is installed on the printed circuit board (PCB) 4, printed circuit board (PCB) 4 is provided with control circuit device, control circuit device comprises CPU processing circuit unit 23 and peripheral interface circuit device, the peripheral interface circuit device comprises voltage-stabilized power supply circuit device 13, battery voltage detection circuit device 14, acoustical signal driving circuit device 15, test circuit device 16, alarm lamp circuit arrangement 17, the Smoke Detection circuit arrangement, environment temperature detection circuit device 18, the Smoke Detection circuit arrangement comprises infrared emission circuit arrangement 19 and infrared receiving circuit device 20, each peripheral interface circuit device and CPU processing circuit unit electricly connect, comprise a thermistor R10 in the environment temperature detection circuit device 18, thermistor R10 connects with resistance R 11 with capacitor C 9 backs in parallel; The peripheral interface circuit device also comprises interconnecting function circuit arrangement 21; Interconnected printed circuit board (PCB) 10 is installed on the base 3, and 10 are provided with connecting circuit device 22 on the printed circuit board (PCB); Connecting circuit device 22 on interconnecting function circuit arrangement 21 and the interconnected printed circuit board (PCB) 10 electricly connects; Incorporate test button and warning alarm lamp leaded light post 8 are installed on the outer cover 1; Carry incorporate hummer resonator cavity 7 on the middle seat 2; In middle seat 2 bottoms and hummer resonator cavity correspondence position horn cover 9 is installed; Also be provided with barricade 11 between printed circuit board (PCB) 4 and the middle seat 2, play ground connection and connect protective effect; Also be provided with three protective covers 12 on the base, play the effect of protection contact.See Fig. 4, power supply stabilization circuit device 13 comprises 3V integrated package of pressure-stabilizing T1, a diode D2, and ceramic disc capacitor C1 is in parallel with electrochemical capacitor C2, and electrochemical capacitor C3, ceramic disc capacitor C4 are in parallel with ceramic disc capacitor C5; See Figure 10, interconnecting function circuit arrangement 21 comprises a diode D3, and the parallel circuit that itself and diode D4, resistance R 2, ceramic disc capacitor C6 constitute is in series; See that Fig. 6 acoustical signal driving circuit device 15 comprises high-frequency transformer T2, resistance R 4, triode Q2 and Q3, and resistance R 5; See Fig. 5, battery voltage detection circuit device 14 links to each other with anode, and it comprises resistance R 6, resistance R 7, resistance R 8, triode Q4, Q5; See Fig. 7, alarm lamp circuit arrangement 17 comprises two resistance R 12, R13, a light emitting diode D6 and a ceramic disc capacitor C14 constitute parallel circuits with resistance R 12 after resistance R 13 is connected with light emitting diode D6, ground connection after this parallel circuit is connected with ceramic disc capacitor C14 again.See Fig. 8, infrared emission circuit arrangement 19 comprises diode D7, resistance R 14, electrochemical capacitor C10, infrared transmitting tube TX, resistance R 16, triode Q6 and resistance R 15.See Fig. 9, infrared receiving circuit device 20 comprises infrared receiving tube RX, resistance R 17, operational amplifier, ceramic disc capacitor C12, ceramic disc capacitor C13, resistance R 18, resistance R 19.See Figure 11, connecting circuit device 22 comprises from recovery and protection silk F1, inductor L2 and L3, Transient Suppression Diode D2, resistance R 3, ceramic disc capacitor C4 and electrochemical capacitor C5.
Power supply stabilization circuit device 13, interconnecting function circuit arrangement 21, acoustical signal driving circuit device 15, battery voltage detection circuit device 14, alarm lamp circuit arrangement 17, infrared receiving circuit device 20, connecting circuit device 22 etc. in the foregoing circuit device, the annexation of its components and parts all belongs to prior art.
Below in conjunction with Fig. 2, Fig. 5 the course of work of the present utility model is described:
Whole detecting alarm power supply is provided by voltage-stabilized power supply circuit, after system's operation, the automatic detected state of CPU, when having detected artificial test signal or fire alarm information arranged, CPU just enters system testing state or State of alarm, and test mode or State of alarm enter dormant state after removing automatically, if do not detect artificial test signal or fire alarm information then directly enter dormant state, be timed device after 4 seconds and wake up and enter detected state once more, periodic duty goes round and begins again.
CPU control infrared emission circuit arrangement 19 is to smoke-box emission infrared ray, receive infrared light by infrared receiving circuit device 20, CPU judges airborne smog content according to the ultrared power that infrared receiving circuit device 20 receives, simultaneously by the thermistor collecting temperature information in the environment temperature detection circuit device 18, when environment temperature raises, the thermistor resistance reduces, otherwise increase, this resistance is passed to CPU changes into quantification through the A/D translation interface temperature information by the voltage signal that electric resistance partial pressure becomes a variation, when temperature is appreciated than Datong District within a certain period of time, follow the increase of a certain amount of smog, reach or surpass alarm threshold value, CPU just starts acoustical signal driving circuit device 15 and produces oscillation frequency and drive integrated hummer resonator cavity and send alerting signal, CPU drives warning alarm lamp circuit arrangement 17 and sends the fire alarm light signal simultaneously, and sends alerting signal by the connecting circuit device 22 on the interconnected printed panel on interconnecting function circuit arrangement 21 and the base to the detecting alarm of networking.Battery voltage detection circuit device 14 provides battery electric quantity information to CPU, and CPU differentiates battery in view of the above and whether meets request for utilization, and CPU drives acoustical signal driving circuit device 15 and sends the knocking noise signal when electric weight is on the low side, changes battery with the prompting user.When whether just often needs detect detector work, to test button and press startup test signal testing circuit, guide sound signal drive circuit device 15 sent sound, visual alarm with fire alarm alarm lamp circuit arrangement 17 as fire alarm takes place after CPU received detection information, express detector with this and be in normal operating condition, otherwise show that then there is fault in the detector operation.
Claims (7)
1, a kind of free-standing smoke detecting alarm of improvement, it comprises outer cover, middle seat and base, on the seat printed circuit board (PCB) is installed in described, battery, on the described circuit board smoke-box is installed, described smoke-box comprises labyrinth and labyrinth seat, described labyrinth seat is installed on the described printed circuit board (PCB), described printed circuit board (PCB) is provided with control circuit device, described control circuit device comprises CPU processing circuit unit and peripheral interface circuit device, described peripheral interface circuit device comprises the voltage-stabilized power supply circuit device, the battery voltage detection circuit device, the acoustical signal driving circuit device, test circuit device, alarm lamp circuit arrangement and Smoke Detection circuit arrangement, described Smoke Detection circuit arrangement comprises infrared emission circuit arrangement and infrared receiving circuit device, described each peripheral interface circuit device and described CPU processing circuit unit electricly connect, it is characterized in that: described peripheral interface circuit device also comprises environment temperature detection circuit device, and described environment temperature detection circuit device is provided with thermistor.
2, according to the free-standing smoke detecting alarm of the described a kind of improvement of claim 1, it is characterized in that: connect with resistance after thermistor described in the described environment temperature detection circuit device and the electric capacity parallel connection.
3, according to the free-standing smoke detecting alarm of the described a kind of improvement of claim 2, it is characterized in that: described peripheral interface circuit device also comprises the interconnecting function circuit arrangement.
4, according to the free-standing smoke detecting alarm of the described a kind of improvement of claim 3, it is characterized in that: interconnected printed circuit board (PCB) is installed on the described base, and described printed circuit board (PCB) is provided with the connecting circuit device.
5, according to the free-standing smoke detecting alarm of the described a kind of improvement of claim 4, it is characterized in that: the connecting circuit device on described interconnecting function circuit arrangement and the described interconnected printed circuit board (PCB) electricly connects.
6, according to the free-standing smoke detecting alarm of the described a kind of improvement of claim 5, it is characterized in that: incorporate test button and warning alarm lamp leaded light post are installed on the described outer cover.
7, according to the free-standing smoke detecting alarm of the described a kind of improvement of claim 6, it is characterized in that: carry incorporate hummer resonator cavity on the seat in described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201862481U CN201278184Y (en) | 2008-10-17 | 2008-10-17 | Improved independent smoke sensing fire disaster probing alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201862481U CN201278184Y (en) | 2008-10-17 | 2008-10-17 | Improved independent smoke sensing fire disaster probing alarm |
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| Publication Number | Publication Date |
|---|---|
| CN201278184Y true CN201278184Y (en) | 2009-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201862481U Expired - Fee Related CN201278184Y (en) | 2008-10-17 | 2008-10-17 | Improved independent smoke sensing fire disaster probing alarm |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101783056A (en) * | 2010-02-10 | 2010-07-21 | 西安博康电子有限公司 | Point-type complex fire detector based on mechanical type temperature sensing element and alarm method thereof |
| 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 |
| CN102903199A (en) * | 2012-11-05 | 2013-01-30 | 北京福赛尔安全消防设备有限公司 | Point-type heat fire detector |
| CN103400469A (en) * | 2013-07-31 | 2013-11-20 | 武光杰 | Smoke module |
| CN104318706A (en) * | 2014-11-05 | 2015-01-28 | 天津市畅悦电子科技有限公司 | Smoke detection circuit |
| CN106023513A (en) * | 2016-06-25 | 2016-10-12 | 河北中核石辐科技有限责任公司 | Redundant smog detector and system |
| CN107358779A (en) * | 2017-08-21 | 2017-11-17 | 北大青鸟环宇消防设备股份有限公司 | A kind of line style light beam smoke fire detector |
| CN110097731A (en) * | 2019-05-23 | 2019-08-06 | 浙江台谊消防设备有限公司 | A kind of stand alone type smoke alarm |
-
2008
- 2008-10-17 CN CNU2008201862481U patent/CN201278184Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101783056A (en) * | 2010-02-10 | 2010-07-21 | 西安博康电子有限公司 | Point-type complex fire detector based on mechanical type temperature sensing element and alarm method thereof |
| 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 |
| CN102903199A (en) * | 2012-11-05 | 2013-01-30 | 北京福赛尔安全消防设备有限公司 | Point-type heat fire detector |
| CN103400469A (en) * | 2013-07-31 | 2013-11-20 | 武光杰 | Smoke module |
| CN104318706A (en) * | 2014-11-05 | 2015-01-28 | 天津市畅悦电子科技有限公司 | Smoke detection circuit |
| CN106023513A (en) * | 2016-06-25 | 2016-10-12 | 河北中核石辐科技有限责任公司 | Redundant smog detector and system |
| CN107358779A (en) * | 2017-08-21 | 2017-11-17 | 北大青鸟环宇消防设备股份有限公司 | A kind of line style light beam smoke fire detector |
| CN110097731A (en) * | 2019-05-23 | 2019-08-06 | 浙江台谊消防设备有限公司 | A kind of stand alone type smoke alarm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090722 Termination date: 20111017 |