CN202793980U - Distributed wireless dust measuring instrument - Google Patents
Distributed wireless dust measuring instrument Download PDFInfo
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- CN202793980U CN202793980U CN 201220434858 CN201220434858U CN202793980U CN 202793980 U CN202793980 U CN 202793980U CN 201220434858 CN201220434858 CN 201220434858 CN 201220434858 U CN201220434858 U CN 201220434858U CN 202793980 U CN202793980 U CN 202793980U
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Abstract
The utility model relates to a distributed wireless dust measuring instrument which comprises a host computer and a plurality of slave computers, wherein the host computer comprises a first microprocessor, a display module, a press key module, a warning module, an SD card memory and a wireless receiving module, wherein the display module, the press key module, the SD card memory and the wireless receiving module are connected with the first microprocessor respectively, the slave computers comprise a second microprocessor, a dust signal detection module, an A/D converter, a power supply module, a temperature and humidity signal detection module and a wireless transmitting module, wherein the power supply module is electrically connected with the wireless transmitting module, the dust signal detection module and the second microprocessor respectively, the dust signal detection module is connected with the second microprocessor through the A/D converter, both the wireless transmitting module and the temperature and humidity signal detection module are connected with the second microprocessor, the configuration of hardwares of the plurality of the slave computers is the same, and the hardwares are placed in a plurality of areas to be measured. The data of dust, temperature and humidity in a plurality of areas can be measured simultaneously, the distributed wireless dust measuring instrument has the advantages of simple structure, convenience in use and good visibility, meanwhile, no feeder connection is required due to the adoption of a wireless mode, and as the host computer and the slave computers can move at any time, the multipoint measurement is convenient, and the expandability is good.
Description
Technical field:
The utility model relates to a kind of technical field of instrument and meter design, is a kind of distributed wireless dust gauge specifically.
Background technology:
Development along with industrial or agricultural, the harm of dust is more and more serious, excessive respirable dust particle can cause bad impact to the health of human body in the atmosphere, except the harm of respirable dust to human body, some combustible dusts also have explosivity, and it is important measures that prevent dust harzard that dust concentration is monitored.Through research and development for many years, the measuring method of all kinds of dust measuring instruments of Development and Production and employing is various both at home and abroad at present, and the method for expressing of dust concentration is not identical yet, is broadly divided into two large classes by its principle: sampling method and non-sampling method.Sampling method, namely from zone to be measured, extract the ash-laden gas sample of part of representative and the analytical measurement system of sending into subsequently out and measure the concentration of dust and the method for particle diameter, basic functional principle is the dust-laden sample that gathers certain volume from the dust-laden zone, filtration or separation be contained grit wherein, calculate the dust content of gas according to control of dust quality and volume etc., utilize all kinds of granulometries and other analytical test to carry out together Measurement and analysis in the dirt sample that filters down simultaneously, just can further obtain mean grain size, particle diameter distribution and physical characteristics, the chemical composition etc. of grit.Sampling method fundamental sum on the principle is the simplest, can obtain reliable result, the shortcoming of sampling method also clearly, sampling operation is required high, will bring error to measurement result if can not accomplish the isokinetic sampling, and sampling method is point measurement, can only gather certain some gas sample at place at every turn, in order to obtain the mean intensity value of whole dust-laden zone dust, measure at the multiple spot place and average way in addition with regard to need adopting, can greatly increase the surveying work amount so undoubtedly, and many times need manual operations, automaticity is low.Need not take a sample when non-sampling method is measured exactly, but utilize the characteristic such as physics, optics of dust directly to measure, the method for dust emission concentration and particle size mainly contains blackness method, scattering method, optical transmission method etc.Non-sampling method can realize the on-line measurement dust emission concentration, some of them can be automatically, the continuous monitoring dust emission, other can provide concentration and the particle diameter of dust simultaneously, particularly light scattering method has the physicochemical property that do not change the dust that swims, measuring accuracy is high, can go out the advantage such as dust content in the air by Real-Time Monitoring, so this class methods application prospect is comparatively wide.
In the present existing all kinds of monitoring instruments of China and the means; except sampling method use comparatively popularize; the instrument of all the other the whole bag of tricks also rests on the relatively backward level; be difficult to satisfy the requirement of growing environmental protection and safety in production on-line monitoring; therefore develop a kind of simple efficient; accurately the dust gauge of practicality and suitable engineering application not only has larger realistic meaning and application prospect; and have higher social value and an economic benefit; simultaneously wireless communication technology is applied in the dust gauge; information by each measurement point dust of sensor Real-time Collection; treated device transfers data to monitor terminal by wireless data acquisition system after processing; the operator can select test point at handheld terminal; the data that receive through the demonstration screen display of processing at handheld terminal, thereby realize integrated; low-cost and easy-operating purpose.
Summary of the invention:
The technical problems to be solved in the utility model is: a kind of distributed wireless dust gauge is provided, and it can monitor automatically by wireless mode dust concentration, the temperature and humidity in multi-disc zone.
To achieve these goals, the technical solution adopted in the utility model is: the distributed wireless dust gauge, comprise a host computer and a plurality of slave computer, host computer comprises first microprocessor, display module, key-press module, alarm module, SD card memory and wireless receiving module, display module, key-press module, alarm module, the SD card memory all links to each other with first microprocessor with wireless receiving module, slave computer comprises the second microprocessor, the dust signal detection module, A/D converter, power module, temperature-humidity signal detection module and wireless transmitter module, power module is respectively at wireless transmitter module, dust signal detection module and the second microprocessor are electrically connected, the dust signal detection module links to each other with the second microprocessor by A/D converter, wireless transmitter module all links to each other with the second microprocessor with the temperature-humidity signal detection module, the hardware configuration of a plurality of slave computers is identical, is placed on respectively multi-disc zone to be measured.
As preferably, alarm module is phonetic alarm.
As preferably, display module is LCD display.
As preferably, the SD card memory adopts the spi bus pattern to link to each other with first microprocessor.
As preferably, the dust signal detection module is dust sensor.
As preferably, power module is lithium ion battery.
As preferably, the temperature-humidity signal detection module is digital temperature-humidity sensor.
As preferably, wireless transmitter module and wireless receiving module be complementary and between wireless telecommunications.
Compared with prior art, the utility model has the advantage of: can measure simultaneously dust and the humiture data in multi-disc zone, it is simple in structure, easy to use, visual good, adopt simultaneously wireless mode, need not feeder line connects, host computer and a plurality of slave computer can move at any time, are convenient to multimetering, and extensibility is good.
Description of drawings:
Fig. 1 is the structured flowchart of distributed wireless dust gauge described in the utility model;
Fig. 2 is the structured flowchart of slave computer described in the utility model.
Embodiment:
Below in conjunction with accompanying drawing the utility model is further specified.
As a kind of embodiment of the present utility model, consult Fig. 1 and Fig. 2, host computer of the utility model and a plurality of slave computer, host computer comprises first microprocessor, display module, key-press module, alarm module, SD card memory and wireless receiving module, display module, key-press module, alarm module, the SD card memory all links to each other with first microprocessor with wireless receiving module, slave computer comprises the second microprocessor, the dust signal detection module, A/D converter, power module, temperature-humidity signal detection module and wireless transmitter module, power module is respectively at wireless transmitter module, dust signal detection module and the second microprocessor are electrically connected, the dust signal detection module links to each other with the second microprocessor by A/D converter, wireless transmitter module all links to each other with the second microprocessor with the temperature-humidity signal detection module, the hardware configuration of a plurality of slave computers is identical, is placed on respectively multi-disc zone to be measured.Alarm module is phonetic alarm.Display module is LCD display.The SD card memory adopts the spi bus pattern to link to each other with first microprocessor.The dust signal detection module is dust sensor.Power module is lithium ion battery.The temperature-humidity signal detection module is digital temperature-humidity sensor.Wireless transmitter module and wireless receiving module be complementary and between wireless telecommunications.
During use, a plurality of slave computers are placed on multi-disc zone to be measured, a plurality of slave computers are converted into analog electrical signal by dust sensor with the dust data of measuring, by A/D converter analog electrical signal is converted to the digital signal that microprocessor can be used again, gather the humiture data by digital temperature-humidity sensor simultaneously, then all data transmission that will measure of microprocessor excite wireless transmitter module that data are sent to wireless transmitter module again.After host computer powers on wireless receiving module is placed accepting state, wait for that slave computer sends data, after monitoring slave computer data transmission and carrier frequency and matching addresses arranged, the host computer wireless receiving module begins to receive the data that corresponding slave computer sends, receiving Data Post becomes corresponding measurement result to be stored in the SD card memory that (the SD card memory is used for real-time measuring data is preserved, thereafter can with computing machine open to all measurement data analyze, match history curve etc.), simultaneously in the liquid crystal screen display.Key-press module can arrange the alarm valve limit of each measurement point dust and humiture, and when certain data of monitoring point exceeds standard, system will automatically start alarm module and carry out audio alert.
Preferably, described first microprocessor and the second microprocessor are selected AT89C52 or STC89C52 single-chip microcomputer, the dust signal detection module is selected dust sensor PD20V, the temperature-humidity signal detection module is selected digital temperature-humidity sensor SHT11, A/D converter is selected the TLC1549 chip, wireless transmitter module and wireless receiving module are selected the NRF905 chip, and display module is selected the LCD12864 liquid crystal display, and alarm is selected the ISD1420 speech chip.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, General Principle as defined herein can the situation within not breaking away from spirit or scope of the present utility model under, realize in other embodiments.Therefore, the utility model will can not be limited to these embodiment shown in this article, but will accord with principle disclosed herein and features of novelty the widest consistent scope.
Claims (8)
1. distributed wireless dust gauge, comprise a host computer and a plurality of slave computer, it is characterized in that: described host computer comprises first microprocessor, display module, key-press module, alarm module, SD card memory and wireless receiving module, described display module, key-press module, alarm module, the SD card memory all links to each other with first microprocessor with wireless receiving module, described slave computer comprises the second microprocessor, the dust signal detection module, A/D converter, power module, temperature-humidity signal detection module and wireless transmitter module, described power module is respectively at wireless transmitter module, dust signal detection module and the second microprocessor are electrically connected, described dust signal detection module links to each other with the second microprocessor by A/D converter, described wireless transmitter module all links to each other with the second microprocessor with the temperature-humidity signal detection module, the hardware configuration of described a plurality of slave computers is identical, is placed on respectively multi-disc zone to be measured.
2. distributed wireless dust gauge according to claim 1, it is characterized in that: described alarm module is phonetic alarm.
3. distributed wireless dust gauge according to claim 1, it is characterized in that: described display module is LCD display.
4. distributed wireless dust gauge according to claim 1 is characterized in that: described SD card memory adopts the spi bus pattern to link to each other with first microprocessor.
5. distributed wireless dust gauge according to claim 1, it is characterized in that: described dust signal detection module is dust sensor.
6. distributed wireless dust gauge according to claim 1, it is characterized in that: described power module is lithium ion battery.
7. distributed wireless dust gauge according to claim 1, it is characterized in that: described temperature-humidity signal detection module is digital temperature-humidity sensor.
8. distributed wireless dust gauge according to claim 1 is characterized in that: described wireless transmitter module and wireless receiving module be complementary and between wireless telecommunications.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220434858 CN202793980U (en) | 2012-08-27 | 2012-08-27 | Distributed wireless dust measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220434858 CN202793980U (en) | 2012-08-27 | 2012-08-27 | Distributed wireless dust measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202793980U true CN202793980U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220434858 Expired - Fee Related CN202793980U (en) | 2012-08-27 | 2012-08-27 | Distributed wireless dust measuring instrument |
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| CN (1) | CN202793980U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106558192A (en) * | 2015-09-25 | 2017-04-05 | 哈尔滨华藻生物科技开发有限公司 | A kind of flour mill's Multi-function Warning System |
| CN106802261A (en) * | 2017-01-22 | 2017-06-06 | 江苏三联安全评价咨询有限公司 | A kind of apparatus for measuring dust concentration and its measuring method |
| CN108982313A (en) * | 2018-07-23 | 2018-12-11 | 西安电子科技大学 | A kind of distributed PM2.5 concentration detection system and method online |
| CN114167726A (en) * | 2021-12-03 | 2022-03-11 | 哈尔滨理工大学 | Thermal power plant dust real-time monitoring system and method based on energy conservation optimization |
-
2012
- 2012-08-27 CN CN 201220434858 patent/CN202793980U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106558192A (en) * | 2015-09-25 | 2017-04-05 | 哈尔滨华藻生物科技开发有限公司 | A kind of flour mill's Multi-function Warning System |
| CN106802261A (en) * | 2017-01-22 | 2017-06-06 | 江苏三联安全评价咨询有限公司 | A kind of apparatus for measuring dust concentration and its measuring method |
| CN108982313A (en) * | 2018-07-23 | 2018-12-11 | 西安电子科技大学 | A kind of distributed PM2.5 concentration detection system and method online |
| CN114167726A (en) * | 2021-12-03 | 2022-03-11 | 哈尔滨理工大学 | Thermal power plant dust real-time monitoring system and method based on energy conservation optimization |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20130827 |