CN204422377U - A kind of flour mill dust concentration laser alarm installation - Google Patents
A kind of flour mill dust concentration laser alarm installation Download PDFInfo
- Publication number
- CN204422377U CN204422377U CN201520124154.1U CN201520124154U CN204422377U CN 204422377 U CN204422377 U CN 204422377U CN 201520124154 U CN201520124154 U CN 201520124154U CN 204422377 U CN204422377 U CN 204422377U
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- CN
- China
- Prior art keywords
- laser
- dust concentration
- flour mill
- stm32
- module comprises
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- 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 flour mill dust concentration laser alarm installation, it is characterized in that comprising: laser measurement module, signal processing module, control module, laser measurement module comprises laser diode and photodiode, for transmitting and receiving laser signal, and carries out opto-electronic conversion; Signal processing module comprises amplifying circuit and STM32, for the treatment of the electric signal received; Control module comprises sound and light alarm and ventilation equipment, and the instruction for sending according to STM32 is carried out reporting to the police and dust removal by ventilation.The utility model can detect flour mill's dust concentration change in real time, carries out sound and light alarm and carry out dust removal by ventilation when dust concentration reaches preset value, avoids the generation of explosion accident.
Description
Technical field
The utility model relates to security alarm technical field, is specially a kind of flour mill dust concentration laser alarm installation.
Background technology
A large amount of flour particles can be produced in Flour production process, can blast when the concentration of these combustible dusts reaches certain numerical value and runs into naked light.Traditional dust concentration warning device needs design dust air chamber, and structure is comparatively complicated, and building block is more, causes installing inconvenience.
In order to avoid the generation of flour explosion accident, the utility model discloses a kind of small volume and less weight, more accurate, reliable flour mill dust concentration laser alarm installation, can measure in real time the dust concentration of flour mill perform region in real time, and algorithm is simple, application STM32 carries out hardware calculating, and measuring speed is fast; Use laser to measure, Phototube Coupling, decrease the impact of electrical noise, measuring accuracy is high.
Utility model content
The utility model object is to provide a kind of flour mill dust concentration laser alarm installation, to solve a difficult problem for dust warning device complex structure, installation inconvenience now.
In order to achieve the above object, the technical scheme that the utility model adopts is: a kind of flour mill dust concentration laser alarm installation, is characterized in that comprising: laser measurement module, signal processing module, control module.Laser measurement module comprises laser diode and photodiode, for transmitting and receiving laser signal, and carries out opto-electronic conversion; Signal processing module comprises amplifying circuit and STM32, for the treatment of the electric signal received; Control module comprises sound and light alarm and ventilation equipment, and the instruction for sending according to STM32 is carried out reporting to the police and dust removal by ventilation.
Described a kind of flour mill dust concentration laser alarm installation, is characterized in that: described laser diode launches 405nm laser, transmits, received by photodiode in dust atmosphere.
Described a kind of flour mill dust concentration laser alarm installation, is characterized in that: described photodiode receives laser signal, and carries out opto-electronic conversion.
Described a kind of flour mill dust concentration laser alarm installation, is characterized in that: described STM32 uses pre-set programs to carry out computing to received signal, draws dust concentration, and is sent to host computer display.
Described a kind of flour mill dust concentration laser alarm installation, is characterized in that: described sound and light alarm is controlled to carry out sound and light alarm by STM32 when concentration reaches certain numerical value.
The utility model adopts laser aid to carry out real-time data acquisition to the dust concentration of flour mill's workshop, by STM32 processor, reception process is carried out to data, the host computer that data after process are extremely designed by VS2008 through 485 bus transfer, real-time display dust concentration, carries out dust removal by ventilation and sound and light alarm respectively when dust concentration reaches certain numerical value.
The utility model has the advantages that: the utility model has that device is simple, measuring accuracy is high, speed is fast, be convenient to the plurality of advantages such as maintenance, safety and stability.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model.
Embodiment
Structured flowchart as shown in Figure 1, a kind of flour mill dust concentration laser alarm installation, comprise laser measurement module, signal processing module, control module, it is characterized in that: laser measurement module comprises laser diode (1) and photodiode (2), laser diode (1) launches the 405nm laser of constant power, through dust atmosphere effect, received by photodiode (2), through different dust concentration environment, laser power that photodiode (2) receives is different, and it is also different to carry out the signal intensity that opto-electronic conversion obtains thus; Signal processing module comprises amplifying circuit (3) and STM32 process chip (4), amplifying circuit (3) carries out amplification process to the ultra-weak electronic signal received, obtain the electric signal that suitable STM32 (4) processes, STM32 (4) carries out analog to digital conversion for the electric signal that will receive, and calculate dust concentration according to pre-set programs, and reach host computer (5) through RS485 bus and show in real time; Control module comprises sound and light alarm (6) and carries out sound and light alarm and dust removal by ventilation with ventilation equipment (7) for the instruction sent according to STM32.
Claims (5)
1. flour mill's dust concentration laser alarm installation, it is characterized in that comprising: laser measurement module, signal processing module, control module, laser measurement module comprises laser diode and photodiode, for transmitting and receiving laser signal, and carries out opto-electronic conversion; Signal processing module comprises amplifying circuit and STM32, for the treatment of the electric signal received; Control module comprises sound and light alarm and ventilation equipment, and the instruction for sending according to STM32 is carried out reporting to the police and dust removal by ventilation.
2. a kind of flour mill according to claim 1 dust concentration laser alarm installation, is characterized in that: described laser diode launches 405nm laser, transmits, received by photodiode in dust atmosphere.
3. a kind of flour mill according to claim 1 dust concentration laser alarm installation, is characterized in that: described photodiode receives laser signal, and carries out opto-electronic conversion.
4. a kind of flour mill according to claim 1 dust concentration laser alarm installation, is characterized in that: described STM32 uses pre-set programs to carry out computing to received signal, draws dust concentration, and is sent to host computer display.
5. a kind of flour mill according to claim 1 dust concentration laser alarm installation, is characterized in that: described sound and light alarm is controlled to carry out sound and light alarm by STM32 when concentration reaches certain numerical value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520124154.1U CN204422377U (en) | 2015-03-03 | 2015-03-03 | A kind of flour mill dust concentration laser alarm installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520124154.1U CN204422377U (en) | 2015-03-03 | 2015-03-03 | A kind of flour mill dust concentration laser alarm installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204422377U true CN204422377U (en) | 2015-06-24 |
Family
ID=53472734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520124154.1U Expired - Fee Related CN204422377U (en) | 2015-03-03 | 2015-03-03 | A kind of flour mill dust concentration laser alarm installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204422377U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105251388A (en) * | 2015-10-09 | 2016-01-20 | 太仓市开林油漆有限公司 | Efficient oil paint dispersion device with dust monitoring alarm function |
| CN105628571A (en) * | 2016-03-29 | 2016-06-01 | 华北电力大学 | Fluidized bed mixed particle detection device and method based on electrostatic and photoelectric sensor |
| CN106353229A (en) * | 2016-08-28 | 2017-01-25 | 广西小草信息产业有限责任公司 | Safeguard system and implementation method thereof |
| CN107045313A (en) * | 2017-04-25 | 2017-08-15 | 无为皖江粮食机械有限公司 | A kind of flour processing safety monitoring system and method |
| CN109107294A (en) * | 2018-11-10 | 2019-01-01 | 江苏华升面粉有限公司 | A kind of dust warning device suitable for flour mill |
-
2015
- 2015-03-03 CN CN201520124154.1U patent/CN204422377U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105251388A (en) * | 2015-10-09 | 2016-01-20 | 太仓市开林油漆有限公司 | Efficient oil paint dispersion device with dust monitoring alarm function |
| CN105628571A (en) * | 2016-03-29 | 2016-06-01 | 华北电力大学 | Fluidized bed mixed particle detection device and method based on electrostatic and photoelectric sensor |
| CN106353229A (en) * | 2016-08-28 | 2017-01-25 | 广西小草信息产业有限责任公司 | Safeguard system and implementation method thereof |
| CN107045313A (en) * | 2017-04-25 | 2017-08-15 | 无为皖江粮食机械有限公司 | A kind of flour processing safety monitoring system and method |
| CN109107294A (en) * | 2018-11-10 | 2019-01-01 | 江苏华升面粉有限公司 | A kind of dust warning device suitable for flour mill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150624 Termination date: 20160303 |