CN204154608U - A kind of safety monitoring system for dust workplace - Google Patents
A kind of safety monitoring system for dust workplace Download PDFInfo
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- CN204154608U CN204154608U CN201420588383.4U CN201420588383U CN204154608U CN 204154608 U CN204154608 U CN 204154608U CN 201420588383 U CN201420588383 U CN 201420588383U CN 204154608 U CN204154608 U CN 204154608U
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Abstract
The utility model discloses a kind of safety monitoring system for dust workplace, comprise microprocessor and the data preprocessing module be attached thereto respectively, motor module, humidifier and wireless transport module, also comprise dust sensor and humidity sensor, dust sensor is connected with microprocessor through data preprocessing module respectively with humidity sensor; Dust sensor and humidity sensor gather dust concentration signal in air and moisture signal respectively and send data preprocessing module to and carry out amplification and filtering process, signal after process is given microprocessor by data preprocessing module again, the signal received is converted into on-the-spot dust data by microprocessor, produce driving instruction according to on-the-spot dust data again and send this instruction to motor module, motor module drives on-the-spot ventilation window and exhaust fan running according to driving instruction.The on-the-spot dust concentration of the utility model Real-Time Monitoring also reduces dust concentration in time, eliminates hidden peril of explosion.
Description
Technical field
The utility model belongs to safety monitoring field, particularly a kind of safety monitoring system for dust workplace.
Background technology
Along with the development of industrial or agricultural, particularly industrial expansion, the harm of dust is also more and more serious.Not only provide people's product needed continuously in industrial processes, nor produce various industrial dust disconnectedly.Commercial production, communications and transportation and rural activity, all can produce a large amount of dust.According to statistics, agricultural dust accounts for about 10% of dust total amount, and a large amount of Source of Dusts is in commercial production and communications and transportation.The coal handling system of power plant, colliery, tunnel construction site, especially building materials industry, chemical industry, the dust of industrial and civilian generation is the most serious.On August 2nd, 2014, Fauna of Kunshan, Jiangsu development area company wheel hub polishing departement is blasted in process of production, causes a tremendous loss of lives and financial losses.The dust of polishing from aluminum wheel hub gathers in workshop, fills the air, and does not but cause anyone vigilance, finally causes great industrial accident.
China is big coal country, and in total Energy Mix, coal accounts for about 75%, and this situation does not have the change of essence within considerable time from now on.The each setting of underground coal mine can produce a large amount of dust in process of production, and the harmfulness of Mine Dust is very large, coal dust can be caused to burn and blast, also can bring out occupational illness simultaneously---pneumoconiosis.Dust is very big to human health damage, is especially very with small size particle.Because small size particle floats in air for a long time, be difficult to be deposited to ground, easily enter human respiratory tract, and particle diameter is little, in human respiratory tract, sedimentation position is darker, endangers larger.Adopting an effective measure control dust, is an important process of Safety of Coal Mine Production.The dust concentration of each setting under monitor well is the requisite means correctly assessing dust Prevention method.
Dust harzard is day by day serious, in air, excessive respirable dust particle can cause bad impact to the health of human body, except respirable dust is to except the harm of human body, some combustible dusts also have explosivity, and monitoring dust concentration is prevent dust explosion important measure.So-called dust explosion refers to that dust is within the scope of explosion limits, run into thermal source (naked light or temperature), flame is propagated in whole mixed dust space instantaneously, chemical reaction velocity is exceedingly fast, discharge a large amount of heat simultaneously, form very high temperature and very large pressure, the Conversion of Energy of system is the radiation of mechanical work and light and heat, has very strong destructive power.Therefore need to develop and can monitor dust concentration and the equipment that can take effective measure to reduce dust concentration, thus eliminate hidden peril of explosion.
Utility model content
In order to solve background technology Problems existing, the utility model aims to provide a kind of safety monitoring system for dust workplace, and the on-the-spot dust concentration of Real-Time Monitoring also reduces dust concentration in time, eliminates hidden peril of explosion.
In order to realize above-mentioned technical purpose, the technical solution of the utility model is:
A kind of safety monitoring system for dust workplace, comprise microprocessor and the data preprocessing module be attached thereto respectively, humidifier, motor module and wireless transport module, also comprise dust sensor and humidity sensor, dust sensor is connected with microprocessor through data preprocessing module respectively with humidity sensor, dust sensor and humidity sensor gather dust concentration signal in air and moisture signal respectively and send data preprocessing module to and carry out amplification and filtering process, signal after process is given microprocessor by data preprocessing module, the signal received is converted to dust data and humidity data by microprocessor, produce driving instruction according to dust data and send this instruction to motor module, motor module drives on-the-spot ventilation window and exhaust fan to open and close according to driving instruction, microprocessor controls humidifier according to humidity data and opens and closes, microprocessor is also sent data on the PC of monitoring station by wireless transport module.
Wherein, above-mentioned data preprocessing module comprises integrated amplifier and low-pass filter, the input end of described integrated amplifier connects the output terminal of dust sensor and humidity sensor, the output terminal of integrated amplifier connects the input end of low-pass filter, and the output terminal of low-pass filter connects microprocessor.
Wherein, the model of above-mentioned integrated amplifier is LM324.
Wherein, system also comprises display module, and described display module is connected with microprocessor.
Wherein, system also comprises alarm module, and described alarm module is connected with microprocessor.
Wherein, system also comprises FLASH memory module, and described FLASH memory module is connected with microprocessor, stores dust data.
Adopt the beneficial effect that technique scheme is brought:
(1) the utility model sends microprocessor to by the dust data of dust sensor collection site, not only can the on-the-spot dust concentration of Real-Time Monitoring, and can the running of on-the-spot exhaust fan and ventilating fan according to the dust Data Control gathered, thus reduce on-the-spot dust concentration easily rapidly, avoid unexpectedly occurring;
(2) the utility model is provided with display module, shows the dust data collected, is also provided with alarm module, when on-the-spot dust concentration exceedes early warning line alarm, notifies that field staff carries out respective handling in time.
Accompanying drawing explanation
Fig. 1 is system architecture diagram of the present utility model.
Embodiment
Below with reference to accompanying drawing, the technical solution of the utility model is described in detail.
System architecture diagram of the present utility model as shown in Figure 1, a kind of safety monitoring system for dust workplace, comprise microprocessor and the data preprocessing module be attached thereto respectively, motor module, humidifier and wireless transport module, also comprise dust sensor and humidity sensor, dust sensor is connected with microprocessor through data preprocessing module respectively with humidity sensor.
In the present embodiment, data preprocessing module comprises integrated amplifier and low-pass filter, the input end of described integrated amplifier connects the output terminal of dust sensor and humidity sensor, the output terminal of integrated amplifier connects the input end of low-pass filter, and the output terminal of low-pass filter connects microprocessor.The model of integrated amplifier is LM324.System also comprises the display module, alarm module and the FLASH memory module that connect respectively at microprocessor, and microprocessor adopts the single-chip microcomputer of built-in A/D converter.
The course of work of the present utility model:
Dust concentration signal in dust sensor collection site air, dust sensor is according to the principle of reflection of light, and when dust granules is through sensor internal light beam, sensor obtains corresponding dust concentration signal by the intensity of detection of reflected light.Due under different air humidity, the safety standard of dust concentration is different, and under identical dust concentration condition, air humidity is less, more easily dust explosion risk occurs.Therefore, the utility model needs the air humidity by humidity sensor Test Field.The dust concentration signal detected and moisture signal send integrated amplifier successively to and low-pass filter carries out amplification and filtering process, microprocessor is given again by the signal after process, the built-in AD converter of microprocessor carries out AD conversion to signal, generates dust data and humidity data.Microprocessor has been preset dust concentration early warning value and air humidity early warning value, when dust data exceed dust concentration early warning value, microprocessor produces driving instruction and sends this instruction to motor module, motor module drives on-the-spot ventilation window and exhaust fan running according to driving instruction, drive alarm module to report to the police simultaneously, thus reduce on-the-spot dust concentration timely and effectively.When humidity data is lower than air humidity early warning value, microprocessor directly controls humidifier work, increases air humidity.In addition, the dust data of generation and humidity data are also sent on the PC of monitoring station by wireless transport module by microprocessor, and wireless transport module adopts Ethernet or Zigbee mode to carry out radio communication.Display module is used for real-time displaying scene dust data and air humidity data, consider that data transmit the transmission fault that may cause because of the unexpected factor in the external world by Ethernet, or whole system causes reset because of outside cause, Flash memory module is adopted to store ephemeral data, when can data before read failure after system resets again, the loss of data can be prevented like this.
Above embodiment is only and technological thought of the present utility model is described; protection domain of the present utility model can not be limited with this; every technological thought according to the utility model proposes, any change that technical scheme basis is done, all falls within the utility model protection domain.
Claims (6)
1. the safety monitoring system for dust workplace, it is characterized in that: comprise microprocessor and the data preprocessing module be attached thereto respectively, humidifier, motor module and wireless transport module, also comprise dust sensor and humidity sensor, dust sensor is connected with microprocessor through data preprocessing module respectively with humidity sensor, dust sensor and humidity sensor gather dust concentration signal in air and moisture signal respectively and send data preprocessing module to and carry out amplification and filtering process, signal after process is given microprocessor by data preprocessing module, the signal received is converted to dust data and humidity data by microprocessor, produce driving instruction according to dust data and send this instruction to motor module, motor module drives on-the-spot ventilation window and exhaust fan to open and close according to driving instruction, microprocessor controls humidifier according to humidity data and opens and closes, microprocessor is also sent data on the PC of monitoring station by wireless transport module.
2. a kind of safety monitoring system for dust workplace according to claim 1, it is characterized in that: described data preprocessing module comprises integrated amplifier and low-pass filter, the input end of described integrated amplifier connects the output terminal of dust sensor and humidity sensor respectively, the output terminal of integrated amplifier connects the input end of low-pass filter, and the output terminal of low-pass filter connects microprocessor.
3. a kind of safety monitoring system for dust workplace according to claim 2, is characterized in that: the model of described integrated amplifier is LM324.
4. a kind of safety monitoring system for dust workplace according to claim 1, it is characterized in that: also comprise display module, described display module is connected with microprocessor.
5. a kind of safety monitoring system for dust workplace according to claim 1, it is characterized in that: also comprise alarm module, described alarm module is connected with microprocessor.
6. a kind of safety monitoring system for dust workplace according to claim 1, it is characterized in that: also comprise FLASH memory module, described FLASH memory module is connected with microprocessor, stores dust data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420588383.4U CN204154608U (en) | 2014-10-13 | 2014-10-13 | A kind of safety monitoring system for dust workplace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420588383.4U CN204154608U (en) | 2014-10-13 | 2014-10-13 | A kind of safety monitoring system for dust workplace |
Publications (1)
| Publication Number | Publication Date |
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| CN204154608U true CN204154608U (en) | 2015-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420588383.4U Expired - Fee Related CN204154608U (en) | 2014-10-13 | 2014-10-13 | A kind of safety monitoring system for dust workplace |
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| Country | Link |
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| CN (1) | CN204154608U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115869A (en) * | 2015-08-17 | 2015-12-02 | 桂林市独秀纸品有限公司 | System and method for monitoring dust degree in factory workshop |
| CN105320165A (en) * | 2015-11-30 | 2016-02-10 | 桂林斯壮微电子有限责任公司 | Workshop hydrogen automatic discharge system |
| CN106322546A (en) * | 2016-08-12 | 2017-01-11 | 浙江科技学院 | Intelligent early warning device preventing dust explosion based on air pressure difference |
| CN106640704A (en) * | 2016-11-30 | 2017-05-10 | 重庆市永川区富强机械制造有限公司 | Exhaust fan |
| CN106769723A (en) * | 2016-12-01 | 2017-05-31 | 国网吉林省电力有限公司电力科学研究院 | Two point fixed dust humidity joint warning system and its operating method |
| CN106814778A (en) * | 2015-12-01 | 2017-06-09 | 镇江市润州金山金属粉末厂 | A kind of aluminium powder storage room explosion protection system |
| CN106843300A (en) * | 2017-04-05 | 2017-06-13 | 合肥酷睿网络科技有限公司 | A kind of factory floor dust managing and control system based on radio communication |
| CN106985075A (en) * | 2017-05-11 | 2017-07-28 | 深圳市柘叶红实业有限公司 | Aluminium alloy polishing workshop management system and management method |
| CN109254118A (en) * | 2018-09-20 | 2019-01-22 | 重庆惠能标普科技有限公司 | A kind of Work places occupational detection device and system |
| CN111122403A (en) * | 2019-12-19 | 2020-05-08 | 沈阳风驰软件股份有限公司 | Railway coal transportation presses down dirt effect detecting system |
-
2014
- 2014-10-13 CN CN201420588383.4U patent/CN204154608U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115869A (en) * | 2015-08-17 | 2015-12-02 | 桂林市独秀纸品有限公司 | System and method for monitoring dust degree in factory workshop |
| CN105320165A (en) * | 2015-11-30 | 2016-02-10 | 桂林斯壮微电子有限责任公司 | Workshop hydrogen automatic discharge system |
| CN106814778A (en) * | 2015-12-01 | 2017-06-09 | 镇江市润州金山金属粉末厂 | A kind of aluminium powder storage room explosion protection system |
| CN106322546A (en) * | 2016-08-12 | 2017-01-11 | 浙江科技学院 | Intelligent early warning device preventing dust explosion based on air pressure difference |
| CN106322546B (en) * | 2016-08-12 | 2019-07-12 | 浙江科技学院 | Intelligent early-warning device based on draught head prevention dust explosion |
| CN106640704A (en) * | 2016-11-30 | 2017-05-10 | 重庆市永川区富强机械制造有限公司 | Exhaust fan |
| CN106769723A (en) * | 2016-12-01 | 2017-05-31 | 国网吉林省电力有限公司电力科学研究院 | Two point fixed dust humidity joint warning system and its operating method |
| CN106769723B (en) * | 2016-12-01 | 2023-05-02 | 国网吉林省电力有限公司电力科学研究院 | Double-point fixed dust humidity combined alarm system and operation method thereof |
| CN106843300A (en) * | 2017-04-05 | 2017-06-13 | 合肥酷睿网络科技有限公司 | A kind of factory floor dust managing and control system based on radio communication |
| CN106985075A (en) * | 2017-05-11 | 2017-07-28 | 深圳市柘叶红实业有限公司 | Aluminium alloy polishing workshop management system and management method |
| CN109254118A (en) * | 2018-09-20 | 2019-01-22 | 重庆惠能标普科技有限公司 | A kind of Work places occupational detection device and system |
| CN111122403A (en) * | 2019-12-19 | 2020-05-08 | 沈阳风驰软件股份有限公司 | Railway coal transportation presses down dirt effect detecting system |
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| Date | Code | Title | Description |
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| 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: 20150211 Termination date: 20161013 |