CN208538288U - A kind of smoke fire detector circuit and smoke fire detector - Google Patents
A kind of smoke fire detector circuit and smoke fire detector Download PDFInfo
- Publication number
- CN208538288U CN208538288U CN201820780924.1U CN201820780924U CN208538288U CN 208538288 U CN208538288 U CN 208538288U CN 201820780924 U CN201820780924 U CN 201820780924U CN 208538288 U CN208538288 U CN 208538288U
- Authority
- CN
- China
- Prior art keywords
- alarm
- smoke
- master controller
- fire detector
- unit
- 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.)
- Active
Links
Landscapes
- Fire Alarms (AREA)
Abstract
The utility model belongs to technical field of smoke alarm, provides a kind of smoke fire detector circuit and smoke fire detector comprising for detecting the Smoke Detection unit of environmental smoke concentration；The master controller being connect with the smoke sensor device；The alarm unit connecting with the master controller, the Smoke Detection signal that the master controller is exported according to the Smoke Detection unit control the alarm unit and carry out smog alarm；It is connect with the master controller, for detecting the alarm detecting unit of the alarm unit working condition；It is connect with the master controller, for receiving the wireless communication unit of the self-checking command of mobile terminal transmission, the master controller controls the alarm detecting unit according to the self-checking command and detects to the alarm unit, and the work state information of the alarm unit is sent to mobile terminal.Realize the real-time monitoring to the working condition of smoke fire detector.
Description
Technical field
The utility model belongs to technical field of smoke alarm more particularly to a kind of smoke fire detector circuit and sense pyrotechnics
Fire detector.
Background technique
Smoke alarm for prevention family fire, reduce fire damage have realistic meaning, with Modern Family with fire,
The increase of electricity consumption, the frequency that family fire occurs is higher and higher, and family fire once occurs, and mishandling, alarm is late
Slow is the main reason for causing casualties.And the main reason for causing family fire be it is off one's guard, do not take in time pre-
Anti- measure.Smoke alarm is a kind of for detecting the inductive pick-up of smog, once hair can timely watchful people at fire hazard
?.
But with prolonged use, the stability of dust, smog or equipment itself can seriously affect smoke alarm
Working performance.Smoke alarm on the market at present, needs user to go to press test key at regular intervals manually, detects
Whether smoke alarm is in normal operating conditions, and the sound-light alarm to ensure smoke detector is normal.For existing product,
A large amount of manpower, financial resources will be needed to support this kind of detection, and are taken a substantial amount of time, and are in addition operated also highly inconvenient.
Therefore, a large amount of manpower, financial resources are needed present in traditional technical solution to support smoke alarm detection, behaviour
Make inconvenient problem.
Utility model content
The purpose of this utility model is to provide a kind of smoke fire detector circuit and smoke fire detectors, it is intended to solve
A large amount of manpower, financial resources are needed present in certainly traditional technical solution come support smoke alarm detection, it is inconvenient for operation
Problem.
A kind of smoke fire detector circuit, the circuit include:
For detecting the Smoke Detection unit of environmental smoke concentration；
The master controller being connect with the smoke sensor device；
The alarm unit being connect with the master controller, the cigarette that the master controller is exported according to the Smoke Detection unit
Mist detects signal, controls the alarm unit and carries out smog alarm；
It is connect with the master controller, for detecting the alarm detecting unit of the alarm unit working condition；
It is connect with the master controller, the wireless communication unit of the self-checking command for receiving mobile terminal transmission is described
Master controller controls the alarm detecting unit according to the self-checking command and detects to the alarm unit, and by the report
The work state information of alert unit is sent to mobile terminal.
In one embodiment, the alarm unit includes light alarm module and sound alarm module, the light
Alarm module and the sound alarm module are connect with the master controller.
In one embodiment, the light alarm module includes indicator light, described in the anode connection of the indicator light
Master controller, the minus earth of the indicator light.
In one embodiment, the sound detection module includes buzzer, the buzzer and the master controller
Connection.
In one embodiment, the alarm detecting unit includes light detection module and sound detection module, described
Light detection module is connected between the light alarm module and the master controller, and the sound detection module is connected to institute
It states between sound alarm module and the master controller.
In one embodiment, the sound detection module include first resistor, the first triode, the second triode,
Second resistance, 3rd resistor, the 4th resistance and first capacitor；The first resistor is connected to the master controller and the sound
Between alarm module, the emitter of first triode connects the first end of the first resistor by the second resistance,
The collector of first triode is grounded by the 3rd resistor, and the collector of first triode connects the master control
Device processed, the first capacitor are connected between the collector and ground of first triode, and the base stage of first triode connects
Connecing the base stage of second triode, the emitter of second triode connects the second end of the first resistor, and described
The collector of two triodes connects the base stage of second triode, and the collector of second triode passes through the 4th electricity
Resistance ground connection.
In one embodiment, the light detection module includes the 5th resistance, and the first end of the 5th resistance connects
The light alarm module, the second end ground connection of the 5th resistance are connect, the first end of the 5th resistance connects the master control
Device processed.
In one embodiment, the Smoke Detection unit includes infrared-emitting diode and infrared receiving diode,
The infrared-emitting diode and the infrared receiving diode are connect with the master controller.
In one embodiment, the mobile terminal is smart phone, tablet computer or intelligent wearable device.
In addition, additionally providing a kind of smoke fire detector, the smoke fire detector includes: above-mentioned smoke
Detector circuit.
Above-mentioned smoke fire detector circuit detects alarm unit working condition, main control by alarm detecting unit
Unit receives the self-checking command that mobile terminal is sent to device by wireless communication, and master controller controls alarm detection according to self-checking command
Unit detects alarm unit, and the work state information of alarm unit is sent to mobile terminal, realizes to sense pyrotechnics
The real-time monitoring of the working condition of fire detector facilitates the fault message that maintenance personnel obtains smoke fire detector in time,
To ensure the normal work of the alarm unit of smoke fire detector, and reduce the waste of manpower, financial resources.
Detailed description of the invention
Fig. 1 is the smoke fire detector electrical block diagram that an embodiment of the present invention provides；
Fig. 2 is the smoke fire detector electrical block diagram that another embodiment of the utility model provides
Fig. 3 is the exemplary circuit schematic diagram for the smoke fire detector that an embodiment of the present invention provides.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Fig. 1 shows the structural schematic diagram of the smoke fire detector of the utility model preferred embodiment offer, this is practical
Novel to provide a kind of smoke fire detector circuit, which includes: Smoke Detection unit 10, master controller 20, alarm list
Member 30, alarm detecting unit 40 and wireless communication unit 50.
As shown in figures 1 and 3, Smoke Detection unit 10 is for detecting environmental smoke concentration, in sense provided in this embodiment
Pyrotechnics fire detector is by the way of infrared smoke detection, and specifically, Smoke Detection unit 10 includes infrared-emitting diode
LED1 and infrared receiving diode LED2, infrared-emitting diode LED1 and infrared receiving diode LED2 with master controller 20
Connection, for main control infrared-emitting diode LED1 to the infrared waveform signal of predetermined detection area transmitting certain frequency, this is infrared
Waveform signal encounters the smoke particle in predetermined detection area and can reflect, and infrared receiving diode LED2 is received from smog
The signal that is reflected back of grain, and the signal being reflected back received is converted into corresponding Smoke Detection signal, master controller 20
According to the smokescope of the size of the Smoke Detection signal judged in predetermined detection area.When the smog in predetermined detection area is dense
When degree increase is that smoke particle quantity increases, the intensity for the signal being reflected back from smoke particle will enhance, thus main control
The voltage of received Smoke Detection signal increases, when the voltage value of the received Smoke Detection signal of master controller 20 increase to it is default
When voltage value, master controller 20 will control alarm unit 30 and carry out smog alarm.
As shown in Fig. 2, smog alarm is completed by alarm unit 30 in smoke fire detector provided in this embodiment,
To remind people to make corresponding fire counter-measure in time, wherein alarm unit 30 is connect with master controller 20, master controller 20
According to the Smoke Detection signal that Smoke Detection unit 10 exports, control alarm unit 30 carries out smog alarm.Specifically, alarm is single
Member 30 includes light alarm module 31 and sound alarm module 32, and light alarm module 31 and sound alarm module 32 are and master control
Device 20 processed connects, and when Smoke Detection signal reaches preset voltage value, light alarm module 31 and sound alarm module 32 are simultaneously
It alarms.In a preferred embodiment, light alarm module 31 includes indicator light LED3, and the anode of indicator light LED3 connects master control
Device 20 processed, the minus earth of indicator light LED3, indicator light LED3 is common LED light, when Smoke Detection signal reaches default
When voltage value, master controller 20 makes indicator light LED3 keep flashing state, to enhance to indicator light LED3 out-put supply signal
Warning effect.Sound detection module 42 includes buzzer RT, and buzzer RT is connect with master controller 20, when Smoke Detection signal reaches
When to preset voltage value, master controller 20 is to indicator light LED3 out-put supply signal, while indicator light LED3 flashing, buzzing
Device RT work, makes a sound alarm.
In order to keep alarm unit 30 to work normally, needs the working condition to alarm unit 30 to detect, alarming
When unit 30 breaks down, can smoke fire detector be repaired or be replaced in time, guarantee the fire alarm peace of resident
Entirely.Specifically, alarm detecting unit 40 is connect with master controller 20, for detecting 30 working condition of alarm unit, alarm inspection
Surveying unit 40 includes light detection module 41 and sound detection module 42, and light detection module 41 is connected to light alarm module 31
Between master controller 20, sound detection module 42 is connected between sound alarm module 32 and master controller 20, light detection
Module 41 is used to detect the working condition of light warning unit 30, and master controller 20 is according to the output voltage of light detection module 41
Judge the working condition of light detection module 41, whether confirmation indicator light LED3 is working properly；Sound detection module 42 is connected to
Between sound alarm module 32 and master controller 20, sound detection module 42 is used to detect the work shape of sound alarm module 32
State, master controller 20 judge the working condition of sound alarm module 32 according to the output voltage of sound detection module 42, confirm bee
Whether the device RT that rings is working properly.
As shown in figure 3, sound detection module 42 includes first resistor R1, the first triode Q1, the second triode Q2, second
Resistance R2,3rd resistor R3, the 4th resistance R4 and first capacitor；First resistor R1 is connected to master controller 20 and audible alarm mould
Between block 32, the emitter of the first triode Q1 passes through the first end of second resistance R2 connection first resistor R1, the first triode
The collector of Q1 is grounded by 3rd resistor R3, and the collector of the first triode Q1 connects as the output end of sound detection module 42
Master controller 20 is connect, first capacitor is connected between the collector and ground of the first triode Q1, and the base stage of the first triode Q1 connects
Meet the base stage of the second triode Q2, the second end of the emitter connection first resistor R1 of the second triode Q2, the second triode Q2
Collector connect the base stage of the second triode Q2, the collector of the second triode Q2 passes through the 4th resistance R4 ground connection.Main control
Device 20 connects the output end of sound detection module 42 by RT_AD pin, when buzzer RT is worked normally, the work of buzzer RT
Make electric current about 15mA or so, wherein default first resistor R1 is 51 Ω, and second resistance R2 is 2K Ω, 3rd resistor R3, the 4th
Resistance R4 is 10K Ω, and the sampling threshold voltage of RT_AD pin is about 1V at this time, when buzzer RT short circuit and open circuit, second
The current collection of triode Q2 extremely low level, the second triode Q2 are not turned on, and the first triode Q1 is also not turned on, and RT_AD pin is
Low level.
Light detection module 41 includes the 5th resistance R5, and the first end of the 5th resistance R5 connects light alarm module 31, the
The second end of five resistance R5 is grounded, and the first end of the 5th resistance R5 connects master controller as the output end of light detection module 41
20.Master controller 20 is connected by LED_AD pin, directly measures indicator light LED3 operating voltage by the 5th resistance R5, is preset
5th resistance R5 is 5.1 Ω, it is generally the case that master controller 20 exports 3.3V high level to indicator light LED3, works as indicator light
When LED3 is worked normally, the sampled voltage of LED_AD pin is within the scope of 0.5V-1.2V, when indicator light LED3 short circuit, LED_
The sampled voltage of AD pin is 3.3v, and when indicator light LED3 open circuit, the sampled voltage of LED_AD pin is zero.Master controller 20
The fault type of light warning unit 30 can be judged according to the sampled voltage of LED_AD pin, more aspect maintenance personal is to sense
The maintenance of pyrotechnics fire detector.
Wireless communication unit 50 is connect with master controller 20, and wireless communication unit 50 is used to receive the transmission of mobile terminal 60
Self-checking command, master controller 20 control alarm detecting unit 40 according to self-checking command and detect to alarm unit 30, and will report
The work state information of alert unit 30 is sent to mobile terminal 60, realizes the real-time prison of the working condition of smoke fire detector
It surveys, the fault message that maintenance personnel obtains smoke fire detector in time is facilitated, to ensure the alarm of smoke fire detector
The normal work of unit 30, and reduce the waste of manpower, financial resources.In the present embodiment, mobile terminal is smart phone, plate
Computer or intelligent wearable device.Preferably, smoke fire detector can access the online time with first time engineering is
Standard automatically examines the working condition of the alarm unit of smoke fire detector 30 by set by user from overhaul period timing
It surveys, when reaching the predetermined self-test time, master controller 20 issues self-checking command from trend alarm detecting unit 40, and smoke is visited
After surveying device progress self-checking behavior, the work state information of alarm unit 30 is pressed to the communication protocol formulated unit by wireless communication
50 report server platform, and server platform carries out data record, and is sent to mobile terminal 60, and mobile terminal 60 can pass through
APP shows the work state information of smoke fire detector, carries out working state monitoring to multiple smoke fire detectors in real time.
On the basis of above-mentioned smoke fire detector circuit, the utility model provides a kind of smoke fire detector,
Including above-mentioned smoke fire detector circuit.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of smoke fire detector circuit, which is characterized in that the circuit includes:
For detecting the Smoke Detection unit of environmental smoke concentration；
The master controller being connect with the Smoke Detection unit；
The alarm unit connecting with the master controller, the master controller are examined according to the smog that the Smoke Detection unit exports
Signal is surveyed, the alarm unit is controlled and carries out smog alarm；
It is connect with the master controller, for detecting the alarm detecting unit of the alarm unit working condition；
It is connect with the master controller, the wireless communication unit of the self-checking command for receiving mobile terminal transmission, the master control
Device processed controls the alarm detecting unit according to the self-checking command and detects to the alarm unit, and the alarm is single
The work state information of member is sent to mobile terminal.
2. smoke fire detector circuit as described in claim 1, which is characterized in that the alarm unit includes light warning
Module and sound alarm module, the light alarm module and the sound alarm module are connect with the master controller.
3. smoke fire detector circuit as claimed in claim 2, which is characterized in that the light alarm module includes instruction
The anode of lamp, the indicator light connects the master controller, the minus earth of the indicator light.
4. smoke fire detector circuit as claimed in claim 2, which is characterized in that the sound detection module includes buzzing
Device, the buzzer are connect with the master controller.
5. smoke fire detector circuit as claimed in claim 2, which is characterized in that the alarm detecting unit includes light
Detection module and sound detection module, the light detection module be connected to the light alarm module and the master controller it
Between, the sound detection module is connected between the sound alarm module and the master controller.
6. smoke fire detector circuit as claimed in claim 5, which is characterized in that the sound detection module includes first
Resistance, the first triode, the second triode, second resistance, 3rd resistor, the 4th resistance and first capacitor；The first resistor
It is connected between the master controller and the sound alarm module, the emitter of first triode passes through second electricity
Resistance connects the first end of the first resistor, and the collector of first triode is grounded by the 3rd resistor, and described the
The collector of one triode connects the master controller, and the first capacitor is connected to the collector and ground of first triode
Between, the base stage of first triode connects the base stage of second triode, the emitter connection of second triode
The second end of the first resistor, the collector of second triode connect the base stage of second triode, and described second
The collector of triode passes through the 4th resistance eutral grounding.
7. smoke fire detector circuit as claimed in claim 5, which is characterized in that the light detection module includes the 5th
Resistance, the first end of the 5th resistance connect the light alarm module, the second end ground connection of the 5th resistance, and described the
The first end of five resistance connects the master controller.
8. smoke fire detector circuit as described in claim 1, which is characterized in that the Smoke Detection unit includes infrared
Emitting diode and infrared receiving diode, the infrared-emitting diode and the infrared receiving diode with the master control
Device connection processed.
9. smoke fire detector circuit as described in claim 1, which is characterized in that the mobile terminal be smart phone,
Tablet computer or intelligent wearable device.
10. a kind of smoke fire detector, which is characterized in that the smoke fire detector includes: such as claim 1 to 9 times
Smoke fire detector circuit described in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820780924.1U CN208538288U (en) | 2018-05-23 | 2018-05-23 | A kind of smoke fire detector circuit and smoke fire detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820780924.1U CN208538288U (en) | 2018-05-23 | 2018-05-23 | A kind of smoke fire detector circuit and smoke fire detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208538288U true CN208538288U (en) | 2019-02-22 |
Family
ID=65394216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820780924.1U Active CN208538288U (en) | 2018-05-23 | 2018-05-23 | A kind of smoke fire detector circuit and smoke fire detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208538288U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553679A (en) * | 2019-09-16 | 2019-12-10 | 杭州海盛海智联科技有限公司 | aging test method for NB smoke sensation |
| CN110571676A (en) * | 2019-09-12 | 2019-12-13 | 陕西启蛰电力工程有限公司 | Distribution box |
| CN110568371A (en) * | 2019-10-10 | 2019-12-13 | 深圳市泛海三江电子股份有限公司 | Electric quantity detection circuit and method for fire detection alarm |
| CN110739336A (en) * | 2019-10-23 | 2020-01-31 | 合肥京东方卓印科技有限公司 | fire detection device, manufacturing method, detection system and escape prompting system |
| CN114495464A (en) * | 2022-01-04 | 2022-05-13 | 赛特威尔电子股份有限公司 | Self-detection fire smoke detector sensor |
-
2018
- 2018-05-23 CN CN201820780924.1U patent/CN208538288U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571676A (en) * | 2019-09-12 | 2019-12-13 | 陕西启蛰电力工程有限公司 | Distribution box |
| CN110553679A (en) * | 2019-09-16 | 2019-12-10 | 杭州海盛海智联科技有限公司 | aging test method for NB smoke sensation |
| CN110568371A (en) * | 2019-10-10 | 2019-12-13 | 深圳市泛海三江电子股份有限公司 | Electric quantity detection circuit and method for fire detection alarm |
| CN110568371B (en) * | 2019-10-10 | 2024-02-06 | 深圳市高新投三江电子股份有限公司 | Electric quantity detection circuit and method for fire detection alarm |
| CN110739336A (en) * | 2019-10-23 | 2020-01-31 | 合肥京东方卓印科技有限公司 | fire detection device, manufacturing method, detection system and escape prompting system |
| CN110739336B (en) * | 2019-10-23 | 2021-10-29 | 合肥京东方卓印科技有限公司 | Fire detection device, manufacturing method, detection system and escape prompting system |
| CN114495464A (en) * | 2022-01-04 | 2022-05-13 | 赛特威尔电子股份有限公司 | Self-detection fire smoke detector sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208538288U (en) | A kind of smoke fire detector circuit and smoke fire detector | |
| CN212302696U (en) | Photoelectric smoke sensor based on NB-IOT | |
| CN204540967U (en) | For the crash helmet of environmental information monitoring | |
| CN109637076A (en) | A kind of hazardous chemical major hazard source on-line monitoring pre-alarm system | |
| CN113432655A (en) | Laboratory safety real-time monitoring system | |
| CN201226019Y (en) | Current temperature on-line fault indicator | |
| CN204759677U (en) | Monitoring and controlling means of temperature and smog concentration | |
| CN104597947A (en) | Gesture interaction type environmental monitoring method and device | |
| CN104200604A (en) | Cotton safety gas data acquisition unit | |
| CN109738834A (en) | A kind of detection device of server power supply | |
| CN204791387U (en) | Intelligence smoke detector | |
| CN214096166U (en) | Building fire detection system based on wireless multi-sensor information fusion | |
| CN206224740U (en) | A kind of wireless intelligence type smoke alarm | |
| CN104318720A (en) | STC89C52-based smoke and gas alarm system | |
| CN214971365U (en) | Distributed fire fighting device | |
| CN207946924U (en) | A kind of indoor harmful gas intelligent monitoring alarm device | |
| CN209514025U (en) | A kind of detection device of server power supply | |
| CN207503431U (en) | A kind of remote alarming system | |
| CN206863888U (en) | Rpyroelectric infrared warning device based on 51 single-chip microcomputers | |
| CN206505307U (en) | A kind of household light fixtures service life supervision system based on PLC technology | |
| CN109903534A (en) | A kind of detection device and method of photoelectricity smoke detector | |
| CN205177064U (en) | Wireless monitoring system of fire alarm | |
| CN205880123U (en) | Power cable fault burns arc early warning device | |
| CN217902289U (en) | Tunnel cable butt joint process environment comprehensive monitoring device | |
| CN203457174U (en) | Lte router |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 518000 East and fourth floors, building A1, xinjianxing science and Technology Industrial Park, Fengxin Road, Loucun, Gongming street, Guangming District, Shenzhen City, Guangdong Province Patentee after: TANDA Technology Co., Ltd. Address before: 518000 Guangdong province Shenzhen Guangming New District Gongming Street Village Feng Xin Lu Xinjian Xing Technology Industrial Park A1 Building 1 floor, 3 floor, 4 East Building, 5 floor Patentee before: TANDA Technology Co., Ltd. |
|
| CP02 | Change in the address of a patent holder |