CN208420840U - Carbon monoxide transmitter - Google Patents
Carbon monoxide transmitter Download PDFInfo
- Publication number
- CN208420840U CN208420840U CN201820806169.XU CN201820806169U CN208420840U CN 208420840 U CN208420840 U CN 208420840U CN 201820806169 U CN201820806169 U CN 201820806169U CN 208420840 U CN208420840 U CN 208420840U
- Authority
- CN
- China
- Prior art keywords
- carbon monoxide
- circuit
- connecting component
- buzzer
- chip microcontroller
- 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.)
- Expired - Fee Related
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- Emergency Alarm Devices (AREA)
Abstract
The utility model discloses carbon monoxide transmitters, including shell and circuit board, the housing bottom and the left and right sides are equipped with carbon monoxide transducer, liquid crystal display is installed in the front-end surface of shell, alarm is connected with by hose at the top of the left end of shell, the alarm includes warning lamp, buzzer and connecting component, the warning lamp and buzzer are mounted on the both ends of connecting component, the right end of connecting component is fixedly connected with hose, is connected to by hose with enclosure interior inside the setting of connecting component inner hollow and connecting component；The case top is provided with several output terminals；The beneficial effects of the utility model are: the parameter of carbon monoxide can be detected, and it is collected among shell, when carbon monoxide is exceeded, is alarmed by alarm, simple structure and reasonable design is worth of widely use.
Description
Technical field
The utility model relates to a kind of transmitters, specifically carbon monoxide transmitter.
Background technique
There is following problems, only one detection probes to expand for existing gas detection alarm device, if expanded
It fills, not only needs to be designed on circuit, it is possible to the detecting head that also replace chip, and also not reserve in structure
Connecting hole.
Simultaneously as the loudspeaker of existing gas detection devices, acoustic-optic alarm etc. or it is integrated on the device housing,
Or device external is individually connected to by conducting wire.Loudspeaker of device external etc. are connected between warning devices, with equipment
Connection relationship is more easily damaged.
Utility model content
The purpose of this utility model is to provide carbon monoxide transmitters, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions:
Carbon monoxide transmitter, including shell and circuit board, the housing bottom and the left and right sides are equipped with carbon monoxide
Sensor, installs liquid crystal display in the front-end surface of shell, is connected with alarm by hose at the top of the left end of shell, described
Alarm includes warning lamp, buzzer and connecting component, and the warning lamp and buzzer are mounted on the both ends of connecting component, connection
The right end of component is fixedly connected with hose, passes through hose and enclosure interior inside the setting of connecting component inner hollow and connecting component
Connection；The case top is provided with several output terminals；The enclosure interior is equipped with circuit board, and circuit board includes sensor
Drive exciting circuit, single-chip microcontroller, UART output port and alarm driving circuit；UART output port connects liquid crystal display；
And alarm driving circuit includes buzzer drive circuit and warning lamp drive circuit；The output of the carbon monoxide transducer
The AD input terminal of end connection single-chip microcontroller, the carbon monoxide transducer power end connect sensor and drive exciting circuit, the monolithic
The drive output mouth of machine is connected with sensor driving exciting circuit, and the drive output mouth and buzzer of the single-chip microcontroller drive
Circuit is connected with warning lamp drive circuit, and the drive output mouth of single-chip microcontroller is connected with warning lamp drive circuit, the list
The drive output mouth of piece machine is connected with UART output port, and the UART output port is connected with output terminal.
Further, the carbon monoxide transducer is using SB-95-12 integral sensor.
Further, the buzzer drive circuit uses NPN triode.
Further, the sensor driving exciting circuit is that sensor is powered using pwm signal driving JFET pipe.
Compared with prior art, the utility model has the beneficial effects that the parameter of carbon monoxide can be detected, and collect
It among shell, when wherein carbon monoxide is exceeded, is alarmed by alarm, simple structure and reasonable design is worthy to be popularized
It uses.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of carbon monoxide transmitter.
Fig. 2 is circuit connection diagram in carbon monoxide transmitter.
In figure: 1. shells；2. carbon monoxide transducer；3. liquid crystal display；4. hose；5. alarm；6. warning lamp；7.
Buzzer；8. connecting component；9. circuit board；10. sensor drives exciting circuit；11. single-chip microcontroller；12.UART output port；
13. buzzer drive circuit；14. warning lamp drive circuit；15. output terminal；
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Carbon monoxide transmitter referring to FIG. 1-2, including shell 1 and circuit board 9,1 bottom of shell and the left and right sides
It is equipped with carbon monoxide transducer 2, carbon monoxide transducer 2 is using SB-95-12 integral sensor, the front end of shell 1
Liquid crystal display 3 is installed on surface, passes through hose 4 at the top of the left end of shell 1 and is connected with alarm 5, the alarm 5 includes police
Show lamp 6, buzzer 7 and connecting component 8, the warning lamp 6 and buzzer 7 are mounted on the both ends of connecting component 8, connecting component 8
Right end be fixedly connected with hose 4, by hose 4 and shell 1 inside the setting of 8 inner hollow of connecting component and connecting component 8
Portion's connection；It is provided with several output terminals 15 at the top of the shell 1, circuit board 9 is installed inside the shell 1, circuit board 9 wraps
Include sensor driving exciting circuit 10, single-chip microcontroller 11, UART output port 12 and alarm driving circuit；UART output port 12
Connect liquid crystal display 3；And alarm driving circuit includes buzzer drive circuit 13 and warns lamp drive circuit 14, it is described
The AD input terminal of the output end connection single-chip microcontroller 11 of carbon monoxide transducer 2,2 power end of carbon monoxide transducer connection sensing
Device drives exciting circuit 10, and the drive output mouth of the single-chip microcontroller 11 is connected with sensor driving exciting circuit 10, the list
The drive output mouth of piece machine 11 is connected with buzzer drive circuit 13 and warning lamp drive circuit 14, the driving of single-chip microcontroller 11
Output port is connected with warning lamp drive circuit 14, drive output mouth and 12 phase of UART output port of the single-chip microcontroller 11
Connection, the UART output port 12 are connected with output terminal 15.
The buzzer drive circuit 13 uses NPN triode, is driven by NPN triode, provides bigger driving
Electric current；The sensor driving exciting circuit 10 is that sensor is powered using pwm signal driving JFET pipe.
It when the present embodiment is in use, is sensor excitation first；Single-chip microcontroller 11 provides coincidence senser working sequence requirement
Pwm signal driving sensor excitation circuit 10 work, sensor drive exciting circuit 10 drive 2 work of carbon monoxide transducer
Make, carbon monoxide transducer 2 export concentration value to single-chip microcontroller 11, and single-chip microcontroller 11 is by UART output concentration value, and by reading
Concentration value is compared with the alarm threshold value of EEPROM in single-chip microcontroller 11, drives buzzer drive circuit 13 according to judging result,
Alarm buzzer driving circuit 13 works, and during the work time, the driving warning lamp drive circuit 14 of single-chip microcontroller 11 works.It will
Carbon monoxide transducer 2 accesses circuit, generates the sensor excitation circuit 10 needed with an oxidation sensors 2, an oxidation sensing
Device 2, the AD conversion of single-chip microcontroller 11 obtain the carbonomonoxide concentration value of current environment, and export and can directly be read by computer equipment
The digitized signal taken；The parameter of carbon monoxide can be detected, and is collected among shell 1, when wherein carbon monoxide is exceeded
When, it is alarmed by alarm, simple structure and reasonable design is worth of widely use.
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective
It makes a variety of changes.
Claims (4)
1. carbon monoxide transmitter, including shell and circuit board, which is characterized in that the housing bottom and the left and right sides are equipped with
Carbon monoxide transducer, installs liquid crystal display in the front-end surface of shell, is connected with report by hose at the top of the left end of shell
Alert device, the alarm includes warning lamp, buzzer and connecting component, and the warning lamp and buzzer are mounted on connecting component
The right end at both ends, connecting component is fixedly connected with hose, passes through hose inside the setting of connecting component inner hollow and connecting component
It is connected to enclosure interior；The case top is provided with several output terminals；The enclosure interior is equipped with circuit board, circuit board
Including sensor driving exciting circuit, single-chip microcontroller, UART output port and alarm driving circuit；UART output port connects liquid
Crystal display screen；And alarm driving circuit includes buzzer drive circuit and warning lamp drive circuit, the carbon monoxide passes
The AD input terminal of the output end connection single-chip microcontroller of sensor, the carbon monoxide transducer power end connect sensor driving excitation electricity
The drive output mouth on road, the single-chip microcontroller is connected with sensor driving exciting circuit, the drive output mouth of the single-chip microcontroller
It is connected with buzzer drive circuit and warning lamp drive circuit, drive output mouth and the warning lamp drive circuit phase of single-chip microcontroller
Connection, the drive output mouth of the single-chip microcontroller are connected with UART output port, the UART output port and output terminal
It is connected.
2. carbon monoxide transmitter according to claim 1, which is characterized in that the carbon monoxide transducer using
SB-95-12 integral sensor.
3. carbon monoxide transmitter according to claim 1, which is characterized in that the buzzer drive circuit uses NPN
Triode.
4. carbon monoxide transmitter according to claim 1, which is characterized in that the sensor driving exciting circuit uses
Be pwm signal driving JFET pipe be sensor power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820806169.XU CN208420840U (en) | 2018-05-21 | 2018-05-21 | Carbon monoxide transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820806169.XU CN208420840U (en) | 2018-05-21 | 2018-05-21 | Carbon monoxide transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208420840U true CN208420840U (en) | 2019-01-22 |
Family
ID=65113600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820806169.XU Expired - Fee Related CN208420840U (en) | 2018-05-21 | 2018-05-21 | Carbon monoxide transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208420840U (en) |
-
2018
- 2018-05-21 CN CN201820806169.XU patent/CN208420840U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190122 Termination date: 20200521 |