CN207895284U - A kind of alarm of detection of natural gas and ventilation device - Google Patents
A kind of alarm of detection of natural gas and ventilation device Download PDFInfo
- Publication number
- CN207895284U CN207895284U CN201820262952.4U CN201820262952U CN207895284U CN 207895284 U CN207895284 U CN 207895284U CN 201820262952 U CN201820262952 U CN 201820262952U CN 207895284 U CN207895284 U CN 207895284U
- Authority
- CN
- China
- Prior art keywords
- natural gas
- detection
- ventilation fan
- fan shell
- 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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Abstract
The utility model discloses a kind of alarm of detection of natural gas and ventilation devices,Including ventilation fan shell,The side of the ventilation fan shell is equipped with liquid crystal display,And the other side of ventilation fan shell is equipped with dust-proof mesh enclosure,The inside of the dust-proof mesh enclosure is equipped with microcontroller,Side far from ventilation fan shell on the microcontroller is equipped with detection of natural gas sensor,And the lower position on microcontroller close to detection of natural gas sensor is equipped with alarm,The utility model is a kind of a kind of intelligent apparatus integrating alarm and ventilation process,The more perfect function of traditional relevant apparatus,The sensitivity of detection greatly improves,Concentration, which slightly changes, just has corresponding prompt,It quickly handles and harm can be minimized in conjunction with ventilation fan,There is better guarantee to the safety of people,Safety coefficient has than traditional same device to be obviously improved,And mostly use low power dissipation electron original paper greatly inside device,It is effectively reduced the consumption of electric energy.
Description
Technical field
The utility model belongs to intelligent testing technology field, and in particular to a kind of alarm of detection of natural gas and ventilation device.
Background technology
As people increasingly focus in other environmentally friendly most of kitchens selection natural gases, although very convenient to use
There is also many security risks, people handles when sleeping or outgoing in case of unexpected leak case and is likely to not in time
It causes much to endanger, for example people sucks excessive natural gas poisoning or the excessively high initiation fire of concentration of natural gas, such consequence can't bear
Imagine.
Now universal smoke alarm only have an alarm function and cannot automatic timely processing, go to close in people and reveal
Natural gas or while being taken refuge, can suck certain pernicious gas, it is possible to it also occur that other harm such as fire, so still
In the presence of very big security risk.
Utility model content
The purpose of this utility model is that ventilation fan is automatically turned on while playing alarm function to significantly more efficient discharge
High concentration pernicious gas reduces the dangerous possibility occurred or the harm caused by people.
To achieve the above object, the utility model provides the following technical solutions：A kind of detection of natural gas alarm and dress of divulging information
It sets, including ventilation fan shell, the side of the ventilation fan shell is equipped with liquid crystal display, and the other side peace of ventilation fan shell
Equipped with dust-proof mesh enclosure, the inside of the dust-proof mesh enclosure is equipped with microcontroller, the side far from ventilation fan shell on the microcontroller
Detection of natural gas sensor is installed, and the lower position on microcontroller close to detection of natural gas sensor is equipped with alarm
Device is equipped with AD converter at the top of the microcontroller, and the top both sides of the ventilation fan shell are rotated by damp hinge
It is connected with Air Filter, company is fixed in the side far from damp hinge by buckle and ventilation fan shell on two Air Filters
It connects, the inside of the ventilation fan shell is fixedly connected with driving motor by fixed frame, and the driving motor is rotated by shaft
It is connected with flabellum, the detection of natural gas sensor is electrically connected with AD converter, the AD converter and liquid crystal display electricity
Property connection, the detection of natural gas sensor, alarm and driving motor with microcontroller be electrically connected.
Preferably, the dust-proof mesh enclosure is bolted to connection with ventilation fan shell.
Preferably, the ventilation fan shell is cylindrical structure.
Preferably, the Air Filter is sector structure.
Preferably, there are four the fixed frame is arranged altogether, and four fixed frames are uniformly arranged on the outside of driving motor.
The utility model compared with prior art, has the advantages that：
（1）The utility model is a kind of a kind of intelligent apparatus integrating alarm and ventilation process, more perfect to pass
The function of system relevant apparatus, the sensitivity of detection greatly improve, and concentration, which slightly changes, just has corresponding prompt, in conjunction with ventilation
Quickly harm can be minimized fan by processing, have better guarantee to the safety of people, safety coefficient is than traditional same device
Have and be obviously improved, and low power dissipation electron original paper is mostly used greatly inside device, is effectively reduced the consumption of electric energy, meets
The energy conservation and environmental protection theory that current country advocates.
（2）Air Filter is rotatably connected to by damp hinge on the ventilation fan shell of the utility model, Air Filter can be to prevent
Only extraneous air enters interior, and Air Filter can be rotated by damp hinge, the convenient dust adhered to Air Filter both sides
It is handled.
（3）The utility model is provided with Air Filter, can prevent detection of natural gas sensor, alarm and microcontroller
A large amount of greasy dirt is adhered on surface, avoids influencing its service life.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the front view of the utility model；
Fig. 3 is the side view of the utility model；
Fig. 4 is the circuit diagram of the utility model AD converter；
Fig. 5 is the single chip machine controlling circuit figure of the utility model；
Fig. 6 is the circuit diagram of the utility model alarm；
Fig. 7 is the circuit block diagram of the utility model；
In figure：1- detection of natural gas sensor, 2- alarms, 3- microcontrollers, 4- Air Filters, 5- ventilation fans shell, 6- liquid
Crystal display screen, 7- dust-proof mesh enclosures, 8- damp hinges, 9- buckles, 10- flabellums, 11- driving motors, 12- fixed frames, 13- shafts,
14-AD converters.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 7 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of alarm of detection of natural gas and ventilation device,
Including ventilation fan shell 5, the side of ventilation fan shell 5 is equipped with liquid crystal display 6, and liquid crystal display 6 is using LCD1602
Liquid crystal display, and the other side of ventilation fan shell 5 is equipped with dust-proof mesh enclosure 7, the inside of dust-proof mesh enclosure 7 is equipped with microcontroller 3,
Microcontroller 3 is using STC89C51RC microcontrollers, because there is this microcontroller super low-power consumption can be waken up by exterior interrupt,
After stage casing returns, original program is continued to execute.House dog encryption is strong inside microcontroller, superpower anti-interference and super low-power consumption, single
Side far from ventilation fan shell 5 on piece machine 3 is equipped with detection of natural gas sensor 1, detection of natural gas sensor 1 using
MQ-2 modules, MQ-2 modules have signal output instruction and simple two-way signal output, and analog output 0 ~ 5V voltages, concentration are higher
Voltage is higher, while to liquefied gas, natural gas, and town gas has preferable sensitivity, with long-term service life and reliable
Stability, quickly respond recovery characteristics, and close to the lower position installation of detection of natural gas sensor 1 on microcontroller 3
There is alarm 2, alarm 2 is using 5V power supply high-decibel alarms, and built-in light flash, the top of microcontroller 3 are pacified
Equipped with AD converter 14, using ADC0809 chips, the chip has 8 bit resolutions to AD converter 14, and converts
Stop control terminal, conversion time is 100 μ s, single+5V power supply power supplies, analog input voltage 0~+5V of range, be not required to zero and
Full scale calibration, operating temperature range are -40~+85 degrees Celsius, low-power consumption, about 15mW, the top both sides of ventilation fan shell 5
Air Filter 4 is rotatably connected to by damp hinge 8, the side far from damp hinge 8 passes through buckle 9 on two Air Filters 4
It is fixedly connected with ventilation fan shell 5, the inside of ventilation fan shell 5 is fixedly connected with driving motor 11 by fixed frame 12, driving
Motor 11 is rotatably connected to flabellum 10 by shaft 13, and detection of natural gas sensor 1 is electrically connected with AD converter 14, AD conversion
Device 14 is electrically connected with liquid crystal display 6, and detection of natural gas sensor 1, alarm 2 and driving motor 11 are electric with microcontroller 3
Property connection.
In order to allow dust-proof mesh enclosure 7 to stablize fixation, in the present embodiment, it is preferred that dust-proof mesh enclosure 7 and ventilation fan shell 5
It is bolted to connection.
In order to allow the present apparatus to be easily installed, in the present embodiment, it is preferred that ventilation fan shell 5 is cylindrical structure.
In order to allow Air Filter 4 to be easily installed, in the present embodiment, it is preferred that Air Filter 4 is sector structure.
In order to allow driving motor 11 to stablize fixation, in the present embodiment, it is preferred that fixed frame 12 is altogether there are four settings,
And four fixed frames 12 are uniformly arranged on the outside of driving motor 11.
The operation principle and process for using of the utility model：After the detection of natural gas is alarmed and ventilation device installs,
Indoor concentration of natural gas can be detected by detection of natural gas sensor 1, the result detected is passed through into AD conversion
Device 14 is shown in after converting on liquid crystal display 6, reaches real-time monitoring, when concentration of natural gas indoors is more than normal concentration,
Detection of natural gas sensor 1 transmits a signal to microcontroller 3, and the control alarm 2 after processing is analyzed of microcontroller 3 sounds progress
Warning, while microcontroller 3 controls driving motor 11 and works, the work of driving motor 11 drives flabellum 10 to rotate by shaft 13, will
Outdoor is discharged by the mesh of Air Filter 4 in the indoor natural exceeded air of Gas content, when needing to clear up Air Filter 4, beats
Buckle 9 is opened, is turned to Air Filter 4 by damp hinge 8 angled with ventilation fan shell 5, you can very easily to anti-
Dirt net 4 is cleared up.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of detection of natural gas alarm and ventilation device, including ventilation fan shell（5）, it is characterised in that：Outside the ventilation fan
Shell（5）Side liquid crystal display is installed（6）, and ventilation fan shell（5）The other side dust-proof mesh enclosure is installed（7）, described
Dust-proof mesh enclosure（7）Inside microcontroller is installed（3）, the microcontroller（3）Upper separate ventilation fan shell（5）Side be equipped with
Detection of natural gas sensor（1）, and microcontroller（3）Upper close detection of natural gas sensor（1）Lower position report is installed
Alert device（2）, the microcontroller（3）Top AD converter is installed（14）, the ventilation fan shell（5）Top both sides it is logical
Overdamp hinge（8）It is rotatably connected to Air Filter（4）, two Air Filters（4）Upper separate damp hinge（8）Side it is logical
Cross buckle（9）With ventilation fan shell（5）It is fixedly connected, the ventilation fan shell（5）Inside pass through fixed frame（12）It is fixed to connect
It is connected to driving motor（11）, the driving motor（11）Pass through shaft（13）It is rotatably connected to flabellum（10）, the natural gas inspection
Survey sensor（1）With AD converter（14）It is electrically connected, the AD converter（14）With liquid crystal display（6）It is electrically connected, institute
State detection of natural gas sensor（1）, alarm（2）And driving motor（11）And microcontroller（3）It is electrically connected.
2. a kind of detection of natural gas alarm according to claim 1 and ventilation device, it is characterised in that：The dust-proof mesh enclosure
（7）With ventilation fan shell（5）It is bolted to connection.
3. a kind of detection of natural gas alarm according to claim 1 and ventilation device, it is characterised in that：Outside the ventilation fan
Shell（5）For cylindrical structure.
4. a kind of detection of natural gas alarm according to claim 1 and ventilation device, it is characterised in that：The Air Filter
（4）For sector structure.
5. a kind of detection of natural gas alarm according to claim 1 and ventilation device, it is characterised in that：The fixed frame
（12）Altogether there are four settings, and four fixed frames（12）It is uniformly arranged on driving motor（11）Outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820262952.4U CN207895284U (en) | 2018-02-23 | 2018-02-23 | A kind of alarm of detection of natural gas and ventilation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820262952.4U CN207895284U (en) | 2018-02-23 | 2018-02-23 | A kind of alarm of detection of natural gas and ventilation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207895284U true CN207895284U (en) | 2018-09-21 |
Family
ID=63540544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820262952.4U Expired - Fee Related CN207895284U (en) | 2018-02-23 | 2018-02-23 | A kind of alarm of detection of natural gas and ventilation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207895284U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112630376A (en) * | 2020-10-19 | 2021-04-09 | 上海申博信息系统工程有限公司 | Marine gas monitoring device using LoRa communication and low-power-consumption implementation method |
-
2018
- 2018-02-23 CN CN201820262952.4U patent/CN207895284U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112630376A (en) * | 2020-10-19 | 2021-04-09 | 上海申博信息系统工程有限公司 | Marine gas monitoring device using LoRa communication and low-power-consumption implementation method |
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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: 20180921 Termination date: 20190223 |