CN206684919U - A kind of optics self-test line style light beam smoke fire detector - Google Patents
A kind of optics self-test line style light beam smoke fire detector Download PDFInfo
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- CN206684919U CN206684919U CN201720165172.3U CN201720165172U CN206684919U CN 206684919 U CN206684919 U CN 206684919U CN 201720165172 U CN201720165172 U CN 201720165172U CN 206684919 U CN206684919 U CN 206684919U
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Abstract
The utility model belongs to technical field of fire detection, more particularly to a kind of optics self-test line style light beam smoke fire detector, the detector includes single-chip microcomputer, signal receiving circuit, answer back circuit, also include the automatically controlled dim light simulation sense cigarette optics self-checking circuit of line style light beam, the utility model realizes scene and carries out detection sensitivity technique and fault diagnosis to detector in real time, if the performance indications such as the detection function of detector or sensitivity are abnormal alarm signal is sent during self-test, so that this detector is in convenient effective regular maintenance and Site Detection, reduce fault rate and rate of false alarm, prevent to fail to report fire, ensure to be significantly better than traditional line style light beam smoke fire detector in the main performances such as the sensitive stabilization of detection and technical indicator；This product provides a kind of advanced, reliable, practical, urgent need fire detecting and alarm new product for the security against fire in China volumed space building place.
Description
Technical field
The utility model belongs to technical field of fire detection, and in particular to a kind of optics self-test line style light beam smoke is visited
Survey device.
Background technology
Line style light beam smoke fire detector is widely used in what is played an important role in national economy and social life
Following outstanding problem urgently to be resolved hurrily be present in volumed space building venue fire engineering, reality：Because the detector is built in large space
Build that middle installation span is big, position is high, complex distribution, operating mode operation are inconvenient, dangerous larger, Site Detection and regular maintenance ten
Divide difficulty, lack convenient effective Site Detection scaling method.
In order to deal with Site Detection hardly possible, there are some irrational detection methods：1) detection mechanism is given no thought to,
False detection is carried out with modes such as wireless remote control or wire transmission；2) tongue tube is set in detector, casts aside sensing letter during detection
Breath starts false alarm of fire with magnet；3) detection method of light path is blocked using light tight non-quantized object；These do not meet fire spy
The method that survey principle, properties of product can not be played with real detection effect brings hidden danger to security against fire.Therefore, fire supervision
Administrative department, fire protection rule system revision mechanism and associated production, design, construction, using unit, there is an urgent need to advanced, reliable, real
With, there is the line style light beam smoke detector new product of self-checking function, and live self-checking convenient, effectively and reasonably
Method.
Utility model content
In view of the shortcomings of the prior art, the utility model proposes a kind of optics self-test line style light beam smoke detector
Device, a kind of advanced, reliable, practical, urgent need fire detecting and alarm new product is provided for the security against fire of volumed space building place,
For such detector, in the presence of being provided with Site Detection problem urgently to be resolved hurrily, one kind is reasonable, has for a long time in fire engineering is applied
Effect, convenient, feasible solution.
A kind of optics self-test line style light beam smoke fire detector, including single-chip microcomputer, signal receiving circuit, answer back electricity
Road, in addition to the automatically controlled dim light simulation sense cigarette optics self-checking circuit of line style light beam；
The automatically controlled dim light simulation sense cigarette optics self-checking circuit of described line style light beam, including infraluminescence pipe, adjustable voltage
Voltage-stabiliser tube, the first triode, the second triode, the 3rd triode, first resistor, second resistance, 3rd resistor, the 4th resistance,
5th resistance, the 6th resistance, the 7th resistance, an electric capacity, a diode, infrared acceptor and amplifying circuit；
The anode of positive pole L+ the first diodes of connection of two lines bus, the negative electrode of the first diode connect adjustable voltage simultaneously
The input of voltage-stabiliser tube and one end of electric capacity, the other end of electric capacity connect simultaneously the negative pole L- of two lines bus, second resistance one end,
The emitter of the colelctor electrode of first triode, the emitter of the second triode and the 3rd triode, and be grounded；Second resistance it is another
One end connects one end of first resistor and the emitter of the first triode simultaneously；The other end of first resistor connects adjustable simultaneously
The adjustable side of voltage voltage-stabiliser tube and one end of the 5th resistance, the other end of the 5th resistance connect adjustable voltage voltage-stabiliser tube simultaneously
The anode of output end and infraluminescence pipe；One end of the base stage connection 3rd resistor of first triode, the other end of 3rd resistor
The colelctor electrode of the second triode is connected, the base stage of the second triode connects one end of the 4th resistance, and the other end of the 4th resistance is made
It is connected for voltage controling end with single-chip microcomputer；The negative electrode of infraluminescence pipe connects one end of the 6th resistance, the 6th resistance it is another
The colelctor electrode of the 3rd triode of end connection, the base stage of the 3rd triode connect one end of the 7th resistance, the other end of the 7th resistance
Single-chip microcomputer is connected as light emitting control end；The input of described amplifying circuit is connected with infrared acceptor, amplifying circuit
Output end be connected with single-chip microcomputer.
Described infraluminescence pipe, the regulation of its supply voltage controlled terminal are specific as follows：
During normal condition：Control terminal voltage Vk ＜ 0.3V, infraluminescence pipe supply voltage Vo=1.25 [1+ (R1+R2)/
R5], R1 represents first resistor, and R2 represents second resistance, and R5 represents the 5th resistance；
During self-test state：Control terminal voltage Vk ＞ 0.6V, infraluminescence pipe supply voltage Vo=1.25 (1+R1/R5).
Described detector, for its number to be multiple, each detector is provided with corresponding address number, all detectors with
Two lines bus or four bus connecting modes are used between supporting fire alarm control unit.
The utility model advantage：
This detector has following automatic detection function and feature：
1) effective sensitivity technique and comprehensive fault diagnosis functions；
2) provide a kind of convenient effective solution for Site Detection problem, for strengthen such detector regular maintenance and
Detection, it is ensured that detection performance, prevent fire and fail to report accident to play an important roll；
3) self-test of this optics meets that axiom and public letter require, meets line style light beam smoke detection mechanism, with " the filter of existing routine
Mating plate dim light " detection is equivalent, thus has higher popularization practical value；
In summary, the utility model realizes scene and carries out detection sensitivity technique and failure to detector in real time
Diagnosis, alarm signal is sent during self-test if the performance indications such as the detection function of detector or sensitivity are abnormal, so as to
Make this detector in convenient effective regular maintenance and Site Detection, reduce fault rate and rate of false alarm, prevent to fail to report fire, ensure
Traditional line style light beam smoke fire detector is significantly better than in the main performances such as the sensitive stabilization of detection and technical indicator；This
Product technology and self checking method are original innovation achievement, have filled up the international art and the blank of product, have been the big sky in China
Between build place security against fire provide it is a kind of it is advanced, reliable, practical, be badly in need of fire detecting and alarm new product.
Brief description of the drawings
Fig. 1 is a kind of automatically controlled dim light simulation sense cigarette optics self-checking circuit signal of line style light beam of embodiment of the utility model
Figure；
Fig. 2 is that a kind of line style light beam smoke detector warning system installation of embodiment of the utility model is illustrated with wiring
Figure.
Embodiment
A kind of embodiment of the utility model is described further below in conjunction with the accompanying drawings.
In the utility model embodiment, as shown in figure 1, optics self-test line style light beam smoke fire detector, including monolithic
Machine, signal receiving circuit, answer back circuit, in addition to the automatically controlled dim light simulation sense cigarette optics self-checking circuit of line style light beam；
In the utility model embodiment, as shown in figure 1, the automatically controlled dim light simulation sense cigarette optics self-checking circuit of line style light beam, bag
Include infraluminescence pipe FG, adjustable voltage voltage-stabiliser tube W1, the first PNP triodes T1, the 2nd NPN triodes T2, the 3rd NPN tri-
Level pipe T3, first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th
Resistance R7, electric capacity C1, diode D1, infrared acceptor SG and amplifying circuit；The positive pole L+ connection diodes D1's of two lines bus
Anode, diode D1 negative electrode connect adjustable voltage voltage-stabiliser tube W1 input and electric capacity C1 one end simultaneously, electric capacity C1's
The other end connects negative pole L-, second resistance R2 one end, the first PNP triodes T1 colelctor electrode, the 2nd NPN of two lines bus simultaneously
The emitter of triode T2 emitter and the 3rd NPN triodes T3, and be grounded；The second resistance R2 other end connects the simultaneously
One resistance R1 one end and the first PNP triodes T1 emitter；The first resistor R1 other end connects adjustable voltage simultaneously
Voltage-stabiliser tube W1 adjustable side and the 5th resistance R5 one end, the 5th resistance R5 other end connect adjustable voltage voltage-stabiliser tube simultaneously
W1 output end and infraluminescence pipe FG anode；First PNP triodes T1 base stage connection 3rd resistor R3 one end, the 3rd
The resistance R3 other end connects the 2nd NPN triodes T2 colelctor electrode, and the 2nd NPN triodes T2 base stage connects the 4th resistance R4
One end, the 4th resistance R4 other end is connected as voltage controling end with single-chip microcomputer；Infraluminescence pipe FG negative electrode connection
6th resistance R6 one end, the 6th resistance R6 other end connect the 3rd NPN triodes T3 colelctor electrode, the 3rd NPN triodes
T3 base stage connects the 7th resistance R7 one end, and the 7th resistance R7 other end connects single-chip microcomputer as light emitting control end；It is described
The input of amplifying circuit be connected with infrared acceptor SG, the output end of amplifying circuit is connected with single-chip microcomputer.
In the utility model embodiment, two lines bus positive pole L+ voltage range DC15V~DC28V, the power supply of infraluminescence pipe
Voltage Vo controlled terminals Vk adjust --- (1) normal condition Vk=0 (＜ 0.3V), then Vo=1.25 [1+ (R1+R2)/R5]=
14V；(2) self-test state Vk=1 (＞ 0.6V), then Vo=1.25 (1+R1/R5)=7.7V；7.7V/14V=55% is (by changing
Become R1, R2 resistance value can adjust the percentage), i.e., Autonomous test when the supply voltage of infraluminescence pipe is reduced to normal condition
55%：
In the utility model embodiment, as shown in table 1, through experimental test verification：This " automatically controlled dim light " self-test effect etc.
It is same as placing the dim light of a piece of light transmittance T=(55 ± 3) % (dim light value A=2.60 ± 0.30dB) optical filter in detection light path
Detection results；So as to establish it is a kind of meet line style light beam smoke detection mechanism, with conventional filters dim light detection method etc.
Effect, meet axiom and public letter requires, " automatically controlled dim light " simulation sense cigarette optics self-test skill with higher popularization practical value
Art；
Table 1：Optics self-test and optical filter detection equivalence test data and the result
TL1、TL2、TL3：The optical filter of three kinds of different light transmittances；
VT：Amplifying circuit output voltage values when optical filter dim light is tested；
DT：VTNumerical value of the magnitude of voltage after A/D conversion in single-chip microcomputer；
VTO：(dim light free of light filter and automatically controlled dim light Autonomous test) amplifying circuit output voltage values under normal condition；
DTO：V under normal conditionTONumerical value of the magnitude of voltage after A/D conversion in single-chip microcomputer；
VZ：Amplifying circuit output voltage values during automatically controlled dim light Autonomous test；
TZ：The equivalent light transmittance of optical filter of automatically controlled dim light Autonomous test；
In the utility model embodiment, detector number is multiple, as shown in Fig. 2 detector, which is taken, is easy to project installation
With the reflective structure of regular maintenance, two lines bus or four bus connection sides are used between detector and supporting fire alarm control unit
Formula, supporting addressing device can be to detector setting address scope 1~127；
In the utility model embodiment, by formulating line style light beam smoke detection system optics self-test communication protocol and its showing
Operation and method for information display, complete to matching detector and controller it is soft hardware development, establish suitable for engineering
The self-checking method at scene, line style light beam smoke fire detector scene start or cancelled optics self-test operations and presentation of information
Method, engineering site can carry out self-test to detector at any time by controller keyboard operation, and automatically controlled in detector subtracts during self-test
The supply voltage of light self-checking circuit control infraluminescence pipe is reduced to 55% (adjustable) of normal monitoring state, is equal to online
The simulation sense cigarette detection of a piece of light transmittance T=(55 ± 3) % optical filters is placed in type light beam smoke fire detector detection light path
Effect, convenient effective Site Detection is carried out to its detection performance to realize, so as to be current line style light beam smoke detection
Device exists for a long time in the application of volumed space building place fire engineering and Site Detection problem urgently to be resolved hurrily provides a kind of conjunction
Reason, effective, convenient, feasible solution；It is specific as follows：
Supporting fire alarm control unit sends self-test order into the detector of specified address by communication protocol；This reality
With in new embodiment, described line style light beam smoke fire detector self-test communication protocol：
Control order code detector answer/code
AOH is returned " optics self-test " when+8 0 values of 8 sense cigarette values
8 sense cigarette values that A1H is returned before 8 sense cigarette steady-state value+" optics self-tests "
A2H returns+4 OBH of 4 conditional codes (light beam smoke detector type codes)+8 bit address
Note 1：If " optics self-test " success, return 4 Binary Zero 9H conditional codes；
Note 2：If " optics self-test " failure, return 4 Binary Zero 7H conditional codes；
When starting " optics self-test ", key in successively on the controller【F4】(test) *【4】(light beam smoke detector is certainly
Inspection) *【XX】(by inspection detector loop number) *【XXX】(by inspection probe address number) *【F3】(startup self-test) * controllers
Liquid crystal screen display " light beam self-test order has been sent "；
Detector is specified to carry out Autonomous test by the way of automatically controlled dim light；Specially：Changed by adjusting controlled terminal voltage
Redden outer luminous tube supply voltage, the supply voltage of infraluminescence pipe is reduced to the 55% of normal condition during Autonomous test；Judge
Whether detector Autonomous test succeeds, if so, then detector feedback Autonomous test pass signal to fire alarm control unit is prompted；
In the utility model embodiment, if by inspection detector optics self-test success, 1) Display of Chinese characters " infrared light on controller liquid crystal display
Shu Zijian alarms "；2) " red led is glittering " on detector.In addition indicated without other sound and light alarms to be different from fire report
Alert and fault-alarming state；Otherwise detector feedback Autonomous test failure signal to fire alarm control unit is prompted；
If by inspection detector optics fail self-test, 1) not Display of Chinese characters " infrared beam self-test report on controller liquid crystal display
It is alert "；2) not " red led does not work " on detector；
In the utility model embodiment, when needing to cancel optics Autonomous test, key in successively on the controller【F4】(survey
Examination) *【4】(self-test of light beam smoke detector) *【XX】(by inspection detector loop number) *【XXX】(by inspection probe address
Number) *【F4】(cancelling self-test) * controller liquid crystal screen display " exits light beam self-test order to have sent "；If detected by inspection
Device has exited optics self-test, then Display of Chinese characters " infrared beam self-test alarm " 1) is cancelled on controller liquid crystal display；2) on detector
" red led stop glittering "；
If also the light beam smoke detector of other address numbers is started or cancelled " optics self-test ", can use【↑】、【↓】
Key translates into appropriate address number.
Claims (3)
1. a kind of optics self-test line style light beam smoke fire detector, including single-chip microcomputer, signal receiving circuit, answer back electricity
Road, it is characterised in that also including the automatically controlled dim light simulation sense cigarette optics self-checking circuit of line style light beam；
The automatically controlled dim light simulation sense cigarette optics self-checking circuit of described line style light beam, including infraluminescence pipe, adjustable voltage voltage stabilizing
Pipe, the first triode, the second triode, the 3rd triode, first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th
Resistance, the 6th resistance, the 7th resistance, an electric capacity, a diode, infrared acceptor and amplifying circuit；
The positive pole of two lines bus connects the anode of the first diode, and the negative electrode of the first diode connects adjustable voltage voltage-stabiliser tube simultaneously
Input and electric capacity one end, the other end of electric capacity connects the negative pole of two lines bus, one end of second resistance, the one or three pole simultaneously
The emitter of the colelctor electrode of pipe, the emitter of the second triode and the 3rd triode, and be grounded；The other end of second resistance is simultaneously
Connect one end of first resistor and the emitter of the first triode；The other end of first resistor connects adjustable voltage voltage stabilizing simultaneously
The adjustable side of pipe and one end of the 5th resistance, the other end of the 5th resistance connect simultaneously adjustable voltage voltage-stabiliser tube output end and
The anode of infraluminescence pipe；One end of the base stage connection 3rd resistor of first triode, the other end connection second of 3rd resistor
The colelctor electrode of triode, the base stage of the second triode connect one end of the 4th resistance, and the other end of the 4th resistance is as voltage control
End processed is connected with single-chip microcomputer；The negative electrode of infraluminescence pipe connects one end of the 6th resistance, the other end connection of the 6th resistance the
The colelctor electrode of three triodes, the base stage of the 3rd triode connect one end of the 7th resistance, and the other end of the 7th resistance is as luminous
Control terminal connects single-chip microcomputer；The input of described amplifying circuit is connected with infrared acceptor, the output end of amplifying circuit
It is connected with single-chip microcomputer.
2. optics self-test line style light beam smoke fire detector according to claim 1, it is characterised in that described is infrared
Luminous tube, the regulation of its supply voltage controlled terminal are specific as follows：
During normal condition：Control terminal voltage Vk ＜ 0.3V, infraluminescence pipe supply voltage Vo=1.25 [1+ (R1+R2)/R5], R1
First resistor is represented, R2 represents second resistance, and R5 represents the 5th resistance；
During self-test state：Control terminal voltage Vk ＞ 0.6V, infraluminescence pipe supply voltage Vo=1.25 (1+R1/R5).
3. optics self-test line style light beam smoke fire detector according to claim 1, it is characterised in that described detection
Device, its number are multiple, and each detector is provided with corresponding address number, all detectors and supporting fire alarm control unit
Between use two lines bus or four bus connecting modes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720165172.3U CN206684919U (en) | 2017-02-23 | 2017-02-23 | A kind of optics self-test line style light beam smoke fire detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720165172.3U CN206684919U (en) | 2017-02-23 | 2017-02-23 | A kind of optics self-test line style light beam smoke fire detector |
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| Publication Number | Publication Date |
|---|---|
| CN206684919U true CN206684919U (en) | 2017-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720165172.3U Withdrawn - After Issue CN206684919U (en) | 2017-02-23 | 2017-02-23 | A kind of optics self-test line style light beam smoke fire detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781338A (en) * | 2017-02-23 | 2017-05-31 | 公安部沈阳消防研究所 | A kind of optics self-inspection line style light beam smoke fire detector and live self-sensing method |
-
2017
- 2017-02-23 CN CN201720165172.3U patent/CN206684919U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781338A (en) * | 2017-02-23 | 2017-05-31 | 公安部沈阳消防研究所 | A kind of optics self-inspection line style light beam smoke fire detector and live self-sensing method |
| CN106781338B (en) * | 2017-02-23 | 2022-03-18 | 应急管理部沈阳消防研究所 | Optical self-inspection line type light beam smoke-sensing fire detector and field self-inspection method |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 110034 No. 218-20, Wen Da Road, Huanggu District, Shenyang, Liaoning. Co-patentee after: Gulf Security Technology Co., Ltd. Patentee after: Shenyang Institute of Fire Protection, Ministry of Emergency Management Address before: 110034 No. 218-20, Wen Da Road, Huanggu District, Shenyang, Liaoning. Co-patentee before: Gulf Security Technology Co., Ltd. Patentee before: Shenyang Fire-Extiquishing Inst., Public Security Ministry |
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| CP01 | Change in the name or title of a patent holder | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171128 Effective date of abandoning: 20220318 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20171128 Effective date of abandoning: 20220318 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |