CN202305055U - Remote measurement alarm device for measuring multi-spot humiture of straw stacking - Google Patents
Remote measurement alarm device for measuring multi-spot humiture of straw stacking Download PDFInfo
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- CN202305055U CN202305055U CN2011204386351U CN201120438635U CN202305055U CN 202305055 U CN202305055 U CN 202305055U CN 2011204386351 U CN2011204386351 U CN 2011204386351U CN 201120438635 U CN201120438635 U CN 201120438635U CN 202305055 U CN202305055 U CN 202305055U
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Abstract
Disclosed is a remote measurement alarm device for measuring multi-spot humiture of straw stacking, comprising a terminal one-chip microcomputer module, a wireless sending module, a wireless receiving module, a computer, and a plurality of measuring units, wherein the measuring units are respectively connected with the terminal one-chip microcomputer module; the terminal one-chip microcomputer module is communicated with the computer via the wireless sending module and the wireless receiving module; and each measuring unit is composed of a humiture sensor and the one-chip microcomputer module. The remote measurement alarm device of the utility model features small size, simple establishment, low cost, long transmission distance, and scientific measurement.
Description
Technical field
This patent relates to the real-time measure and control device of a kind of warehoused cargo, relates in particular to a kind of multiple spot humiture real time remote and measures warning device.
Background technology
The design philosophy and the implementation procedure of a kind of multiple spot temperature and humidity measurement system introduced in " modern electronic technology " magazine 2005 the 22nd phase article " based on the multipoint wireless temperature and humidity measurement system of nRF24E1 ".The system architecture of this scheme is simple, and reliability is high, and data rate is fast, and function is prone to expansion, is applicable to the wireless monitor of multiple application humiture.But communicate by letter through RS232 communication protocol between sensor and single-chip microcomputer, transmission range only has 15 meters, can not satisfy the demand that the stalk large tracts of land is stacked the place.The sensor transducer of selling on the market at present adopts the RS485 communications protocol, and communication distance reaches 1000 meters, but each measurement point need be joined one, and the transmitter volume is big, costs an arm and a leg, and inconvenient installation requires high to the stacking site environment.
Chinese patent CN101158604 discloses a kind of humiture measurement mechanism; Include temperature and humidity measurement part (IIC sensor), data acquisition and processing (DAP) part, humiture display part; It is fast that this measurement mechanism has response speed; Measuring accuracy is high, applicable to characteristics such as high temperature low humidity measurement environment.Can be applicable to grain, cotton, clothing factory, silk mill, chemical fibre production etc. and need measure the various occasions of control moisture temperature.But present IIC agreement sensor is not on the market all supported the addressing function, and therefore, this scheme does not solve the real-time monitoring problem of multiple spot; Data transmission between its each unit is directly accomplished by Transistor-Transistor Logic level, so can't carry out remote data transmission.
Summary of the invention
The purpose of the utility model is to satisfy the requirement of multiple spot temperature and humidity measurement, data long-distance transmissions, and for the straw power generation station provides a kind of stalk stacking multiple spot humiture remote measurement warning device, the utility model cost is low, low in energy consumption.
The purpose of the utility model reaches through following scheme: a kind of stalk stacking multiple spot humiture remote measurement warning device, and it comprises terminal one-chip computer module, wireless sending module, wireless receiving module, computing machine and several measuring units; Wherein, several measuring units link to each other with the terminal one-chip computer module respectively, and the terminal one-chip computer module is through wireless sending module and wireless receiving module and compunication; Each measuring unit is connected to form by Temperature Humidity Sensor and one-chip computer module.
Further; The number of said measuring unit is 8; It is following that the position specifically is set: stalk stacking center is provided with first measuring unit; The stacking outer rim is provided with the 3rd measuring unit, and the midpoint of first measuring unit and the 3rd measuring unit is provided with second measuring unit, and the midpoint of first measuring unit and second measuring unit is provided with the 4th measuring unit; The midpoint of second measuring unit and the 3rd measuring unit is provided with the 5th measuring unit; The midpoint of first measuring unit and the 4th measuring unit is provided with the 6th measuring unit, and the midpoint of second measuring unit and the 4th measuring unit is provided with the 7th measuring unit, and the midpoint of first measuring unit and the 6th measuring unit is provided with the 8th measuring unit.
The beneficial effect of the utility model is: 1, volume is little.Measuring unit and terminal one-chip computer module are 10 * 4mm control circuit, are convenient to install.2, build simple, with low cost.What the utility model adopted is simple for structure, and used element is basic components and parts, the each several part line is connected can accomplish system for field and build.3, long transmission distance.Measuring unit adopts the RS485 signal and communication, and transmission range can reach 1200m, and the wireless module transmission range can reach 800m, can satisfy the needs of the warehoused cargo measuring system of large tracts of land stacking.
Description of drawings
Fig. 1 is the general structure block diagram of the utility model;
Fig. 2 is the temperature simulation figure as a result of cube stalk stacking;
Fig. 3 is the temperature emulation distribution plan from the inside to the outside of cube stalk stacking;
Fig. 4 is the measurement point distribution plan that is provided with in the stalk stacking; Among the figure,
is measurement point;
Fig. 5 is single measuring unit SCM program process flow diagram;
Fig. 6 is a terminal SCM program process flow diagram;
Fig. 7 is one-chip computer module and the terminal one-chip computer module circuit diagram in the measuring unit.
Embodiment
As shown in Figure 1, the utility model stalk stacking multiple spot humiture remote measurement warning device comprises terminal one-chip computer module, wireless sending module, wireless receiving module, computing machine and several measuring units.Wherein, several measuring units link to each other with the terminal one-chip computer module respectively, and the terminal one-chip computer module is through wireless sending module and wireless receiving module and compunication.
Each measuring unit is connected to form by Temperature Humidity Sensor and one-chip computer module.Temperature Humidity Sensor and single-chip microcomputer are through the communication of IIC agreement, and the one-chip computer module of each measuring unit sends the one-shot measurement request signal at set intervals, obtain this humiture value and storage through coupled Temperature Humidity Sensor.The one-chip computer module of each measuring unit converts communication into the RS485 signal through the MAX485 chip, together links on the one-chip computer module of terminal, to realize telecommunication.Each measurement point one-chip computer module each has a unique address value; The terminal one-chip computer module sends the one-time request signal to the one-chip computer module of each measuring unit at set intervals in turn, according to the humiture information of the address sort storage each point of the one-chip computer module of each measuring unit.The measurement data that the one-chip computer module of each measuring unit transmits is obtained in one-chip computer module control in terminal; Close the RS485 channel then; Open the wireless telecommunications passage, and the address information and the corresponding humiture numerical information of each point are passed to host computer through wireless transmission method.After host computer is handled, make things convenient for the staff to monitor in real time through man-machine interface.
The cube stacking is carried out thermal conduction study emulation, obtain result shown in Figure 2: Fig. 2 and represent 1/4th of stacking, its lower left corner is the center of stacking, and can regard as is a thermal source.Emulation draws the distribution situation of temperature in the cube shaped stacking, and is as shown in Figure 3: the rate of temperature change at center is maximum, and outward more little more, so near the position at stacking center accurately its temperature distribution history of drafting of more measuring unit need be set; And stacking is peripheral, and temperature variation is less, and curve smoothing is not so need be provided with a plurality of measurement points.
In sum; Designed measurement point distribution mode shown in Figure 4: the stacking center is provided with first measuring unit; The stacking outer rim is provided with the 3rd measuring unit; The midpoint of first measuring unit and the 3rd measuring unit is provided with second measuring unit; The midpoint of first measuring unit and second measuring unit is provided with the 4th measuring unit, and the midpoint of second measuring unit and the 3rd measuring unit is provided with the 5th measuring unit, and the midpoint of first measuring unit and the 4th measuring unit is provided with the 6th measuring unit; The midpoint of second measuring unit and the 4th measuring unit is provided with the 7th measuring unit, and the midpoint of first measuring unit and the 6th measuring unit is provided with the 8th measuring unit.Through experiment confirm, the measuring unit arrangement can science be measured the distribution curve of stalk stacking internal temperature exactly as described above.
Fig. 5 is the SCM program process flow diagram in each measuring unit.The single-chip microcomputer waiting timer interrupts, and during to particular moment, unlatching is communicated by letter with Temperature Humidity Sensor, obtains metrical information, waits for terminal single-chip microcomputer signal interruption afterwards, after the terminal single-chip microcomputer is sent signal, institute is surveyed data issue the terminal single-chip microcomputer.
Fig. 6 is a terminal SCM program process flow diagram.The single-chip microcomputer waiting timer interrupts, and during to particular moment, sends signal in turn to each measuring unit single-chip microcomputer; Receive the measurement data that each single-chip microcomputer is sent then; And storage successively, open wireless sending module afterwards, data are sent through wireless sending module successively.
Circuit diagram shown in Figure 7 both can be used as terminal one-chip computer module circuit, also can be used as one-chip computer module circuit in the single measuring unit.During as the former, connection terminal P3 port links to each other with wireless sending module, and connection terminal P2 port is unsettled need not; During as the latter, connection terminal P2 end links to each other with Temperature Humidity Sensor, and connection terminal P3 port is unsettled need not.Connection terminal P1 port is RS485 communication and power supply port, and the single-chip microcomputer of each measuring unit is connected used with the terminal single-chip microcomputer.
As shown in Figure 7; The input end (Vin) of voltage stabilizing chip VR1 connects 2 pin of connection terminal P1; And an end of capacitor C 4, capacitor C 6, output terminal (Vout) meets internal electric source Vcc, and an end of capacitor C 4, capacitor C 5; The other end of capacitor C 4, capacitor C 5, capacitor C 6, capacitor C 7 all links to each other with ground, plays filter action.485 conversion of signals chip U2,1 pin connects single-chip microcomputer PD0 pin, and 4 pin connect single-chip microcomputer PD1 pin; Control port 2,3 pin connect PB7, the PB6 pin of single-chip microcomputer respectively; 485 signal output pins, 6,7 pin are connected to 3,4 pin of connection terminal P1, indirect balance resistance R1; 8 pin meet internal electric source Vcc, realize the conversion of RS232 signal to the RS485 signal.Resistance R 2, resistance R 3, switch S 1, capacitor C 8 constitutes the single-chip microcomputer reseting modules, resistance R 2 one termination power Vcc, and the other end connects the RESET pin of single-chip microcomputer, control single chip computer reset time; Resistance R 3 one termination switch S 1, other end ground connection is realized current-limiting function; Switch S 1 one termination single-chip microcomputer RESET pin, other end connecting resistance R3 is used to reset; Capacitor C 8 one termination single-chip microcomputer RESET pin, other end ground connection is realized resetting of single-chip microcomputer through discharging and recharging of electric capacity.Crystal oscillator Y1, capacitor C 1, capacitor C 2 constitute single-chip microcomputer crystal oscillation module, the XTAL2 pin of capacitor C 1 one termination single-chip microcomputers, and other end ground connection, the XTAL1 pin of capacitor C 2 one termination single-chip microcomputers, other end ground connection, capacitor C 1, capacitor C 2 help crystal oscillator Y1 starting of oscillation.Crystal oscillator Y1 is connected between the XTAL1 pin and XTAL2 pin of single-chip microcomputer, for single-chip microcomputer provides oscillating clock signal.Connection terminal P2 is the sensor PORT COM, and 1 pin connects power Vcc, 4 pin ground connection, and 2,3 pin connect the TWI port of single-chip microcomputer respectively: PC0, PC1, and be connected with pull-up resistor R4, pull-up resistor R5 respectively, resistance R 4, resistance R 5 other ends are connected with power Vcc.Connection terminal P3 is the wireless module connectivity port, 1 pin ground connection, and 2 pin connect power Vcc, and control port 3 pin connect the PB5 pin of single-chip microcomputer, and COM1 4,5 pin connect PD1, the PD0 pin of single-chip microcomputer respectively.The GND pin ground connection of single-chip microcomputer.The VCC of single-chip microcomputer, AVCC pin meet internal electric source Vcc.The AREF pin of single-chip microcomputer connects capacitor C 3, and capacitor C 3 other end ground connection are realized filtering.
Claims (2)
1. a stalk stacking multiple spot humiture remote measurement warning device is characterized in that it comprises terminal one-chip computer module, wireless sending module, wireless receiving module, computing machine and several measuring units; Wherein, several measuring units link to each other with the terminal one-chip computer module respectively, and the terminal one-chip computer module is through wireless sending module and wireless receiving module and compunication; Each measuring unit is connected to form by Temperature Humidity Sensor and one-chip computer module.
2. according to the said stalk stacking of claim 1 multiple spot humiture remote measurement warning device; It is characterized in that; The number of said measuring unit is 8, and it is following that the position specifically is set: stalk stacking center is provided with first measuring unit, and the stacking outer rim is provided with the 3rd measuring unit; The midpoint of first measuring unit and the 3rd measuring unit is provided with second measuring unit; The midpoint of first measuring unit and second measuring unit is provided with the 4th measuring unit, and the midpoint of second measuring unit and the 3rd measuring unit is provided with the 5th measuring unit, and the midpoint of first measuring unit and the 4th measuring unit is provided with the 6th measuring unit; The midpoint of second measuring unit and the 4th measuring unit is provided with the 7th measuring unit, and the midpoint of first measuring unit and the 6th measuring unit is provided with the 8th measuring unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204386351U CN202305055U (en) | 2011-11-08 | 2011-11-08 | Remote measurement alarm device for measuring multi-spot humiture of straw stacking |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011204386351U CN202305055U (en) | 2011-11-08 | 2011-11-08 | Remote measurement alarm device for measuring multi-spot humiture of straw stacking |
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| CN202305055U true CN202305055U (en) | 2012-07-04 |
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| CN2011204386351U Expired - Lifetime CN202305055U (en) | 2011-11-08 | 2011-11-08 | Remote measurement alarm device for measuring multi-spot humiture of straw stacking |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102402848A (en) * | 2011-11-08 | 2012-04-04 | 国能生物发电集团有限公司 | Multipoint temperature and humidity remote measurement alarm device of straw stack |
| CN105606257A (en) * | 2016-03-04 | 2016-05-25 | 江苏国信如东生物质发电有限公司 | Wireless temperature measurement system |
| CN108680278A (en) * | 2018-03-28 | 2018-10-19 | 合肥云智物联科技有限公司 | A kind of power equipment temperature monitoring system |
| AU2020104130B4 (en) * | 2020-12-16 | 2021-09-30 | Cotton Picking Mind Limited Partnership | Detection and Alerting System for Precursors to Spoilage or Spontaneous Combustion and the Method thereof |
-
2011
- 2011-11-08 CN CN2011204386351U patent/CN202305055U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102402848A (en) * | 2011-11-08 | 2012-04-04 | 国能生物发电集团有限公司 | Multipoint temperature and humidity remote measurement alarm device of straw stack |
| CN102402848B (en) * | 2011-11-08 | 2014-05-14 | 国能生物发电集团有限公司 | Multipoint temperature and humidity remote measurement alarm device of straw stack |
| CN105606257A (en) * | 2016-03-04 | 2016-05-25 | 江苏国信如东生物质发电有限公司 | Wireless temperature measurement system |
| CN108680278A (en) * | 2018-03-28 | 2018-10-19 | 合肥云智物联科技有限公司 | A kind of power equipment temperature monitoring system |
| AU2020104130B4 (en) * | 2020-12-16 | 2021-09-30 | Cotton Picking Mind Limited Partnership | Detection and Alerting System for Precursors to Spoilage or Spontaneous Combustion and the Method thereof |
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| C14 | Grant of patent or utility model | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20120704 Effective date of abandoning: 20140514 |
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| RGAV | Abandon patent right to avoid regrant |