CN207489211U - A kind of compound detecting alarm of carbon monoxide photoelectric smoke - Google Patents
A kind of compound detecting alarm of carbon monoxide photoelectric smoke Download PDFInfo
- Publication number
- CN207489211U CN207489211U CN201721730845.1U CN201721730845U CN207489211U CN 207489211 U CN207489211 U CN 207489211U CN 201721730845 U CN201721730845 U CN 201721730845U CN 207489211 U CN207489211 U CN 207489211U
- Authority
- CN
- China
- Prior art keywords
- carbon monoxide
- resistance
- module
- connect
- alarm
- 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-Detection Mechanisms (AREA)
Abstract
The utility model belongs to measuring instrument technical field, discloses a kind of compound detecting alarm of carbon monoxide photoelectric smoke, and the compound detecting alarm of carbon monoxide photoelectric smoke includes：For detecting smokescope and exporting the Smoke Detection module of first detection signal；For detecting carbonomonoxide concentration and exporting the second Carbon Monoxide Detection module for detecting signal；The control module of testing result is obtained for being detected after signal is converted to the first detection signal and described second；It is connect with the control module, for showing the display module of the testing result；It is connect with the control module, for carrying out the sound and light alarm module of sound-light alarm when the first detection signal and/or the second detection signal are more than preset value；And the power module for providing working power.The utility model has the advantages that while detects smokescope and carbonomonoxide concentration, is at low cost, circuit structure is simple, Realtime Alerts.
Description
Technical field
The utility model belongs to detecting instrument technical field more particularly to a kind of compound detection of carbon monoxide photoelectric smoke
Alarm.
Background technology
Currently on the market it is most of be all with buzzer come detect the imflammable gas in room air, carbon monoxide and and
The gas detector of alarm.But existing gas detector can not simultaneously carry out smokescope and carbonomonoxide concentration
Detection.
Therefore, traditional gas detector, which exists, to ask simultaneously what smokescope and carbonomonoxide concentration were detected
Topic.
Utility model content
The purpose of this utility model is to provide a kind of compound detecting alarms of carbon monoxide photoelectric smoke, it is intended to solve
Traditional gas detector there are problems that simultaneously being detected smokescope and carbonomonoxide concentration.
A kind of compound detecting alarm of carbon monoxide photoelectric smoke, including：For detecting smokescope and output first
Detect the Smoke Detection module of signal；For detecting carbonomonoxide concentration and exporting the second Carbon Monoxide Detection mould for detecting signal
Block；It is connect with the Smoke Detection module and the Carbon Monoxide Detection module, for the first detection signal and described
Second detection signal obtains the control module of testing result after being converted；It is connect with the control module, it is described for showing
The display module of testing result；It is connect with the control module, in the first detection signal and/or second detection
The sound and light alarm module of sound-light alarm is carried out when signal is more than preset value；And it is aoxidized with the Smoke Detection module, described one
Carbon detection module, the control module are connected with the sound and light alarm module, for providing the power module of working power；It is described
Smoke Detection module includes：One photoelectrical coupler, first resistor, second resistance, 3rd resistor, the 4th resistance, the first capacitance,
Two-transistor and third transistor；The photoelectrical coupler is made of photophore and light-receiving device, and the photophore shines for first
Diode, the light-receiving device are the first transistor；The cathode of first light emitting diode is connect described by the first resistor
Working power, the anode of first light emitting diode connect the collector of the third transistor, and first capacitance is connected in parallel on
The both ends of first light emitting diode, the emitter ground connection of the third transistor, the base stage of the third transistor pass through
4th resistance connects the control module, and the emitter of the first transistor connects the working power, the first crystal
The collector of pipe connects the base stage of the second transistor, and the collector of the first transistor is grounded by the second resistance,
The collector of the second transistor connects the working power by the 3rd resistor, and the emitter of the second transistor connects
Ground, the collector of the second transistor are connect with the control module, for exporting the first detection signal.
Further, the Carbon Monoxide Detection module includes carbon monoxide transducer, amplification chip, the second capacitance, the
Five resistance, the 6th resistance and the 7th resistance；The first end of the carbon monoxide transducer connects described put by the 5th resistance
First inverting input of large chip, the second end of the carbon monoxide transducer and the second anti-phase input of the amplification chip
End connection, the second inverting input of the amplification chip are connect with the second output terminal of the amplification chip, the 6th electricity
The first end of resistance is connect with the first inverting input of the amplification chip and the first end of second capacitance, the 6th electricity
The first end of second termination the 7th resistance of resistance, the second end of the 7th resistance and the first output of the amplification chip
The second end connection at end, the control module and second capacitance, the first output terminal of the amplification chip are used to export institute
State the second detection signal.
Further, the model MQ1 or MQ3 of the carbon monoxide transducer.
Further, the control module includes microcontroller.
Further, the model SN8P2722 of the microcontroller.
Further, the display module is LCD liquid crystal displays.
Further, the sound and light alarm module includes：It is connect with the control module, in the described first detection letter
Number and/or it is described second detection signal be more than preset value when carry out audible alarm audible alarm unit；And with the control
Module connects, for the hair of the luminous alarm when the first detection signal and/or the second detection signal are more than preset value
Light alarm unit.
Further, the audible alarm unit includes：It is connect with the control module, for receiving the control module
The pulse width modulating chip of the drive signal of output；It is connect with the pulse width modulating chip, for playing the loud speaker of alarm song.
Further, the luminous alarm unit include connect with the power module and the control module, for
The light emitting diode that the first detection signal and/or the second detection signal shine when being more than preset value.
Further, the power module includes：One three terminal regulator, battery, the 8th resistance, the 9th resistance and third electricity
Hold；The anode of the battery is connect with the input terminal of the three terminal regulator and the first end of the 8th resistance, and the described 8th
The second end of resistance is connect with the first end of the control module and the 9th resistance, the second termination of the 9th resistance
Ground, the output terminal of the three terminal regulator export the working power, the ground terminal ground connection of the three terminal regulator, the third
Capacitance is connected in parallel between the output terminal and ground of the three terminal regulator.
Using the above-mentioned compound detecting alarm of carbon monoxide photoelectric smoke, the smog that can simultaneously detect in air is dense
Degree and carbonomonoxide concentration, and will be shown after its power information by display module, when smokescope and/or carbonomonoxide concentration
It during more than preset value, is sounded the alarm by acoustic-optic alarm, while warning light is bright.The utility model has easy to detect fast
Speed may be coextruded the characteristics of simple type detection, circuit, at low cost, Realtime Alerts.
Description of the drawings
Fig. 1 is a kind of circuit module schematic diagram of the compound detecting alarm of carbon monoxide photoelectric smoke of the utility model.
Fig. 2 is a kind of showing for Smoke Detection module of the compound detecting alarm of carbon monoxide photoelectric smoke shown in FIG. 1
Example circuit diagram.
Fig. 3 is a kind of Carbon Monoxide Detection module of the compound detecting alarm of carbon monoxide photoelectric smoke shown in FIG. 1
Exemplary circuit schematic diagram.
Fig. 4 is a kind of example electricity of control module of the compound detecting alarm of carbon monoxide photoelectric smoke shown in FIG. 1
Road schematic diagram.
Fig. 5 is a kind of showing for audible alarm unit of the compound detecting alarm of carbon monoxide photoelectric smoke shown in FIG. 1
Example circuit diagram.
Fig. 6 is a kind of showing for luminous alarm unit of the compound detecting alarm of carbon monoxide photoelectric smoke shown in FIG. 1
Example circuit diagram.
Fig. 7 is a kind of example electricity of power module of the compound detecting alarm of carbon monoxide photoelectric smoke shown in FIG. 1
Road schematic diagram.
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 is 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.
It please refers to Fig.1 to Fig. 7, the compound detection alarm of carbon monoxide photoelectric smoke in the preferred embodiment of the utility model
Device include Smoke Detection module 11, Carbon Monoxide Detection module 12, control module 13, display module 14, sound and light alarm module 15,
Power module 16 and self-test button (not shown).
Smoke Detection module 11 is used to detect smokescope and exports first detection signal；Carbon Monoxide Detection module 12 is used
In detection carbonomonoxide concentration and export the second detection signal；Control module 13 and Smoke Detection module 11 and Carbon Monoxide Detection
Module 12 connects, and testing result is obtained for being detected after signal is converted to first detection signal and second；Display module 14
It is connect with control module 13, for showing testing result, in the utility model embodiment, display module 14 is LCD liquid crystals
Show device；Sound and light alarm module 15 is connect with control module 13, for being more than pre- in first detection signal and/or the second detection signal
If sound-light alarm is carried out during value；Power module 16 and Smoke Detection module 11, Carbon Monoxide Detection module 12, control module 13 and
Sound and light alarm module 15 connects, for providing working power；Whether self-test button works normally for detecting instrument itself.
As shown in Fig. 2, Smoke Detection module includes：One photoelectrical coupler U1, first resistor R1, second resistance R2, third
Resistance R3, the 4th resistance R4, the first capacitance C1, second transistor Q2 and third transistor Q3；Photoelectrical coupler by photophore and
Light-receiving device forms, and photophore is the first light emitting diode D1, and light-receiving device is the first transistor Q1, the first transistor Q1, second brilliant
Body pipe Q2 and third transistor Q3 is NPN transistor.
The cathode of first light emitting diode D1 connects working power, the anode of the first light emitting diode D1 by first resistor R1
The collector of third transistor Q3 is connect, the first capacitance C1 is connected in parallel on the both ends of the first light emitting diode D1, third transistor Q3's
Emitter is grounded, and the base stage of third transistor Q3 connects control module 13, the emitter of the first transistor Q1 by the 4th resistance R4
Working power is connect, the collector of the first transistor Q1 connects the base stage of second transistor Q2, and the collector of the first transistor Q1 passes through
Second resistance R2 is grounded, and the collector of second transistor Q2 connects working power, the hair of second transistor Q2 by 3rd resistor R3
Emitter grounding, the collector of second transistor Q2 is connect with control module 13, for exporting first detection signal.
Using the above-mentioned compound detecting alarm of carbon monoxide photoelectric smoke, the smog that can simultaneously detect in air is dense
Degree and carbonomonoxide concentration, and will be shown after its power information by display module, when smokescope and/or carbonomonoxide concentration
It during more than preset value, is sounded the alarm by acoustic-optic alarm, while warning light is bright.The utility model has easy to detect fast
Speed may be coextruded the characteristics of simple type detection, circuit, at low cost, Realtime Alerts.
As shown in figure 3, Carbon Monoxide Detection module 12 includes carbon monoxide transducer U2, amplification chip U3, the second capacitance
C2, the 5th resistance R5, the 6th resistance R6 and the 7th resistance R7；Wherein, the model MQ1 or MQ3 of carbon monoxide transducer U2.
The first end of carbon monoxide transducer U2 connects the first inverting input of amplification chip U3 by the 5th resistance R5
The second end of 1IN-, carbon monoxide transducer U2 are connect with the second inverting input 2IN- of amplification chip U3, amplification chip U3
The second inverting input 2IN- connect with the second output terminal 2OUT of amplification chip U3, the power supply termination activities of amplification chip U3
Power supply, the first end of the 6th resistance R6 and the first end of the first inverting input 1IN- of amplification chip U3 and the second capacitance C2 connect
It connects, the first end of the second the 7th resistance R7 of termination of the 6th resistance R6, the of the second end of the 7th resistance R7 and amplification chip U3
The second end connection of one output terminal, control module and the second capacitance C2, the first output terminal 1OUT of amplification chip U3 are used to export
Second detection signal.
As shown in figure 4, control module 13 includes microcontroller U4, in the utility model embodiment, the model of microcontroller
The 26th pin of SN8P2722, microcontroller U4 are for receiving first detection signal, and the 24th pin of microcontroller U4 is for receiving the
Two detection signals.
As it can be seen in figures 5 and 6, sound and light alarm module 15 includes audible alarm unit 151 and luminous alarm unit 152：Sound
Alarm unit 151 and luminous alarm unit 152 are connect with control module 13, and audible alarm unit 141 is used in the first detection
Signal and/or the second detection signal carry out audible alarm when being more than preset value；Luminous alarm unit 142 is used in the first detection letter
Number and/or second detection signal be more than preset value when luminous alarm.
Wherein, audible alarm unit 151 includes pulse width modulating chip U4 and loud speaker speaker；Pulse width modulating chip U4
It is connect with control module 13, for receiving the drive signal of the output of control module 13；Loud speaker speaker and pulse width modulating chip
U4 connections, loud speaker speaker play alarm song under pulse width modulating chip U4 drivings.
In the utility model embodiment, luminous alarm unit 152 includes three and power module 16 and control module 13
Connection, for the light emitting diode to shine when first detection signal and/or the second detection signal are more than preset value.
As shown in fig. 7, power module 16 includes：One three terminal regulator U5, battery BAT, the 8th resistance R8, the 9th resistance R9
With third capacitance C3.
The anode of battery BAT is connect with the first end of the input terminal VIN and the 8th resistance R8 of three terminal regulator U5, the 8th electricity
The second end of resistance R8 is connect with the first end of 13 and the 9th resistance R9 of control module, the second end ground connection of the 9th resistance R9, three ends
The output terminal VOUT output power supplies of voltage-stablizer U5, the ground terminal GND ground connection of three terminal regulator U5, third capacitance C3 are connected in parallel on
Between the output terminal VOUT and ground of three terminal regulator U5.
Illustrate the work of the compound detecting alarm of the utility model carbon monoxide photoelectric smoke with reference to Fig. 1 to Fig. 7
Make principle：
Smokescope detection module 11 detects the smokescope in air, and the first detection of output after its power information is believed
Number to microcontroller U4, when not having smog, one end of the 4th resistance R4 is connect with the 27th pin of microcontroller U4, microcontroller U4's
27th pin exports high level signal, and the first light emitting diode D1 of control shines, and photoelectrical coupler U1 is detection smokescope
Main devices, in the utility model embodiment, the model PC817B of photoelectrical coupler U1.Carbon Monoxide Detection module 12 is logical
Carbon monoxide transducer U2 detection carbonomonoxide concentrations are crossed, then the second detection signal is exported after amplifying by amplification chip U3 to list
Piece machine U4, microcontroller U4 are handled and are analyzed to the first detection signal of input and the second detection signal, are obtained in air
Smokescope value and carbonomonoxide concentration value, and pass through display module 14 and show, when smokescope value in air and/or one aoxidize
When concentration of carbon value is higher than international standard value, alarm is sent out by loud speaker speaker, sound size is more than 80 decibels, simultaneously
Alarm lamp LED1, LED2 and LED3 send out feux rouges alarm.
Using the above-mentioned compound detecting alarm of carbon monoxide photoelectric smoke, the smog that can simultaneously detect in air is dense
Degree and carbonomonoxide concentration, and will be shown after its power information by display module, when smokescope and/or carbonomonoxide concentration
It during more than preset value, is sounded the alarm by acoustic-optic alarm, while warning light is bright.The utility model has easy to detect fast
Speed may be coextruded the characteristics of simple type detection, circuit, at low cost, Realtime Alerts.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality
All any modification, equivalent and improvement made within novel spirit and principle etc., should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of compound detecting alarm of carbon monoxide photoelectric smoke, which is characterized in that including：
For detecting smokescope and exporting the Smoke Detection module of first detection signal；
For detecting carbonomonoxide concentration and exporting the second Carbon Monoxide Detection module for detecting signal；
It is connect with the Smoke Detection module and the Carbon Monoxide Detection module, for the first detection signal and described
Second detection signal obtains the control module of testing result after being converted；
It is connect with the control module, for showing the display module of the testing result；
It is connect with the control module, for being more than preset value in the first detection signal and/or the second detection signal
The sound and light alarm module of Shi Jinhang sound-light alarms；And
Connect with the Smoke Detection module, the Carbon Monoxide Detection module, the control module and the sound and light alarm module
It connects, for providing the power module of working power；
The Smoke Detection module includes：One photoelectrical coupler, first resistor, second resistance, 3rd resistor, the 4th resistance,
One capacitance, second transistor and third transistor；The photoelectrical coupler is made of photophore and light-receiving device, and the photophore is
First light emitting diode, the light-receiving device are the first transistor；
The cathode of first light emitting diode connects the working power, first light emitting diode by the first resistor
Anode connect the collector of the third transistor, first capacitance is connected in parallel on the both ends of first light emitting diode, institute
The emitter ground connection of third transistor is stated, the base stage of the third transistor connects the control module by the 4th resistance,
The emitter of the first transistor connects the working power, and the collector of the first transistor connects the second transistor
Base stage, the collector of the first transistor are grounded by the second resistance, and the collector of the second transistor passes through institute
State 3rd resistor and connect the working power, the emitter ground connection of the second transistor, the collector of the second transistor with
The control module connection, for exporting the first detection signal.
2. the compound detecting alarm of carbon monoxide photoelectric smoke as described in claim 1 a, which is characterized in that oxidation
Carbon detection module includes carbon monoxide transducer, amplification chip, the second capacitance, the 5th resistance, the 6th resistance and the 7th resistance；
The first end of the carbon monoxide transducer connects the first inverting input of the amplification chip by the 5th resistance,
The second end of the carbon monoxide transducer is connect with the second inverting input of the amplification chip, and the of the amplification chip
Two inverting inputs are connect with the second output terminal of the amplification chip, first end and the amplification chip of the 6th resistance
The first inverting input connected with the first end of second capacitance, the second termination the 7th resistance of the 6th resistance
First end, the second end of the 7th resistance and the first output terminal of the amplification chip, the control module and described the
The second end connection of two capacitances, the first output terminal of the amplification chip detect signal for exporting described second.
3. the compound detecting alarm of carbon monoxide photoelectric smoke as claimed in claim 2 a, which is characterized in that oxidation
The model MQ1 or MQ3 of carbon sensor.
4. the compound detecting alarm of carbon monoxide photoelectric smoke as described in claim 1, which is characterized in that the control mould
Block includes microcontroller.
5. the compound detecting alarm of carbon monoxide photoelectric smoke as claimed in claim 4, which is characterized in that the microcontroller
Model SN8P2722.
6. the compound detecting alarm of carbon monoxide photoelectric smoke as described in claim 1, which is characterized in that the display mould
Block is LCD liquid crystal displays.
7. the compound detecting alarm of carbon monoxide photoelectric smoke as described in claim 1, which is characterized in that the acousto-optic report
Alert module includes：
It is connect with the control module, for being more than preset value in the first detection signal and/or the second detection signal
The audible alarm unit of Shi Jinhang audible alarms；And
It is connect with the control module, for being more than preset value in the first detection signal and/or the second detection signal
When luminous alarm luminous alarm unit.
8. the compound detecting alarm of carbon monoxide photoelectric smoke as claimed in claim 7, which is characterized in that the sound report
Alert unit includes：
It is connect with the control module, for receiving the pulse width modulating chip of the drive signal of the control module output；With
It is connect with the pulse width modulating chip, for playing the loud speaker of alarm song.
9. the compound detecting alarm of carbon monoxide photoelectric smoke as claimed in claim 7, which is characterized in that the luminous report
Alert unit includes connecting with the power module and the control module, in the first detection signal and/or described the
The light emitting diode that two detection signals shine when being more than preset value.
10. the compound detecting alarm of carbon monoxide photoelectric smoke as described in claim 1, which is characterized in that the power supply
Module includes：One three terminal regulator, battery, the 8th resistance, the 9th resistance and third capacitance；
The anode of the battery is connect with the input terminal of the three terminal regulator and the first end of the 8th resistance, and the described 8th
The second end of resistance is connect with the first end of the control module and the 9th resistance, the second termination of the 9th resistance
Ground, the output terminal of the three terminal regulator export the working power, the ground terminal ground connection of the three terminal regulator, the third
Capacitance is connected in parallel between the output terminal and ground of the three terminal regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721730845.1U CN207489211U (en) | 2017-12-12 | 2017-12-12 | A kind of compound detecting alarm of carbon monoxide photoelectric smoke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721730845.1U CN207489211U (en) | 2017-12-12 | 2017-12-12 | A kind of compound detecting alarm of carbon monoxide photoelectric smoke |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207489211U true CN207489211U (en) | 2018-06-12 |
Family
ID=62458052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721730845.1U Active CN207489211U (en) | 2017-12-12 | 2017-12-12 | A kind of compound detecting alarm of carbon monoxide photoelectric smoke |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207489211U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112017389A (en) * | 2020-09-14 | 2020-12-01 | 杭州海康消防科技有限公司 | Fire detector and fire detection method |
-
2017
- 2017-12-12 CN CN201721730845.1U patent/CN207489211U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112017389A (en) * | 2020-09-14 | 2020-12-01 | 杭州海康消防科技有限公司 | Fire detector and fire detection method |
| CN112017389B (en) * | 2020-09-14 | 2022-08-09 | 杭州海康消防科技有限公司 | Fire detector and fire detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201852880U (en) | Voltage detection and alarm module | |
| CN207489210U (en) | A kind of photoelectric smoke detecting alarm | |
| CN207489211U (en) | A kind of compound detecting alarm of carbon monoxide photoelectric smoke | |
| CN207704619U (en) | A kind of carbonic oxide alarming detector | |
| CN207908455U (en) | A kind of carbon dioxide concentration detecting device for carbon dioxide incubator | |
| CN203337630U (en) | Wireless monitoring system of indoor multi-point formaldehyde pollution | |
| CN2859554Y (en) | DC ground connection fault indicator | |
| CN105516878A (en) | Device for automatically detecting and counting decibel value of loudspeaker | |
| CN202795678U (en) | Gas alarm | |
| CN202305458U (en) | Air quality detecting device | |
| CN205879854U (en) | Indoor how gaseous detection device | |
| CN213903822U (en) | Pipeline liquid state detection device | |
| CN201210178Y (en) | Wireless earphone detector | |
| CN201518011U (en) | Gas sensor harmful gas detector | |
| CN103837573A (en) | Cotton moisture tester | |
| CN210090655U (en) | Point inspection conduction pen | |
| CN206460016U (en) | Moisture tester | |
| CN203311578U (en) | Smog detection alarm apparatus | |
| CN201274087Y (en) | Intelligent methane analyzer | |
| CN207765141U (en) | Backlight detection circuit and backlight detection device | |
| CN207878591U (en) | Closestool automatic voice prompt system | |
| CN211457137U (en) | Radio frequency communication testing device | |
| CN2695950Y (en) | Harmful gas sensor | |
| CN203025133U (en) | Cotton moisture tester | |
| CN209961269U (en) | Comprehensive pipe gallery environment active monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |