CN202119386U - Intelligent top plate displacement transducer - Google Patents
Intelligent top plate displacement transducer Download PDFInfo
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- CN202119386U CN202119386U CN2011201411281U CN201120141128U CN202119386U CN 202119386 U CN202119386 U CN 202119386U CN 2011201411281 U CN2011201411281 U CN 2011201411281U CN 201120141128 U CN201120141128 U CN 201120141128U CN 202119386 U CN202119386 U CN 202119386U
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Abstract
The utility model discloses an intelligent top plate displacement transducer comprising a singlechip, a communication module RSM3485, an AD conversion module, an LCD module, two resistance transforming-type plate separation transducers, a wireless data transmission module and an intelligent collector, wherein the wireless data transmission module is a highly integrated and half duplex module with ultra low power consumption and micropower; and the wireless data transmission module is implanted into the singlechip and the communication module RSM3485. The intelligent top plate displacement transducer provided by the utility model realizes a function for automatically correcting a meter through a software-simulating potentiometer, obtaining precision greater than 0.5 level, and has no requirement for awakening by irradiation of a miner light so that automatic collection can be finished only requiring that a worker walks through from the transducer 10 to 50 meters carrying a collector.
Description
Technical field
The utility model relates to the ore deposit and presses measuring instrument, relates in particular to the roof delamination appearance.
Background technology
At present, in coal mining, for production safety will be monitored the roof delamination situation.The roof delamination monitoring principle is that employing basic point displacement measurement method is played a boring on top board; In boring, establish two basic points; The roof delamination sensor is arranged in the aperture, and when top board moved, the position of two basic points also changed; Basic point passes out voltage signal by the motion of the mechanical part in the rope traction sensor.The motion of basic point belongs to the variation of straight-line displacement, and the physical construction of sensor becomes rotatablely moving of angular displacement with the movement conversion of displacement, rotary part joint angle displacement transducer, the voltage signal that angular displacement sensor output is corresponding with the angle ratio.Gather signal conversion voltage through the top board displacement transducer, video data also sends to upper substation through EBI with data.What have on the top board displacement transducer market is called roof delamination appearance or top board displacement sensing table etc.
Top board displacement transducer in the market mainly is the resistance conversion formula.The signal of a voltage of this sensor output, this signal reaction the size of displacement.The top board displacement transducer relevant with the utility model is as shown in Figure 1, and it is made up of single-chip microcomputer, communication module RSM3485, AD modular converter, LCD MODULE and two resistance conversion formula absciss layer sensors.Its deficiency is: use infrared number to transmit functions such as accomplishing simple data acquisition; Infrared number passes distance less than 1.5 meters, can not accomplish automatic data logging, when checking meter; The staff need stand on the stool shines red the outside ability reading of data with mine lamp, can not accomplish automatic data logging.
Summary of the invention
The purpose of the utility model is for solving the top board displacement transducer difficult problem of checking meter, make improvements, designing a kind of intelligent top board displacement transducer.
A kind of intelligent top board displacement transducer; It is made up of single-chip microcomputer, communication module RSM3485, AD modular converter, LCD MODULE and two resistance conversion formula sensors; It is characterized in that it also comprises a wireless data transfer module and intelligent data collector; Wherein:
Described wireless data transfer module embeds in above-mentioned single-chip microcomputer and the communication module RSM3485 circuit; During embedding; The pin RXD of wireless data transfer module and the pin RXD of communication module RSM3485 are connected on the monolithic under-chassis TXD simultaneously; The pin TXD of communication module RSM3485 is connected on the monolithic under-chassis RXD through a diode, and the pin TXD of wireless data transfer module links to each other with the contact of above-mentioned diode with monolithic under-chassis RXD through a resistance.
Described intelligent data collector is formed by connecting main control module M430FG4618, wireless data transfer module, key-press module ZLG7290B, battery interface, the communication of man-machine interaction Liquid Crystal Module;
Above-mentioned wireless data transfer module is highly integrated super low-power consumption half-duplex micropower module.
When the user uses the intelligent data collector; When sending order to main control module M430FG4618 through key-press module ZLG7290B; Main control module M430FG4618U1 discerns keyboard commands automatically; And according to current which interface that is in of Liquid Crystal Module, give wireless data transfer module thereby send different commands, wireless data transfer module is issued intelligent top board displacement transducer through radiowave again; The intelligent data collector receives the signal that intelligent top board displacement transducer sends simultaneously.
Constitute accurate mating circuit through diode and resistance; Communication module RSM3485 and wireless data transfer module compatibility are connected on the same interface; Communication module RSM3485 and wireless data transfer module received simultaneously when single-chip microcomputer sent; Because of the existence of diode is arranged, the circuit of communication module RSM3485 is unaffected when wireless data transfer module sends, when communication module RSM3485 sends because of the existence of resistance is arranged; The circuit of wireless data transfer module is unaffected, can not have influence on the online detection communication function of system when having realized wireless the check and correction.
The simulating signal of intelligent top board displacement transducer is produced by resistance absciss layer sensor, is gathered by the AD modular converter; Directly set the address by computer software through networking; The E2PPROM built-in by single-chip microcomputer accomplishes data storage; Connect charactron by digital display module and accomplish data presentation; Accomplish communication by communication module module RSM3485; Accomplish wireless calibration function by wireless data transfer module; Link to each other with computer through communication module RSM3485, constitute the ore deposit and press supervisory system.Accomplish wireless calibration and meter-reading function by wireless data transfer module and intelligent data collector.
During use; Resistance conversion formula absciss layer sensor links through rapid-acting coupling and intelligent top board displacement transducer; Single-chip microcomputer obtains final data through the SPI interface; Can on LCD panel, show and store after the processing, carry out image data, data storage, setup parameter through wireless meter reading or online transmission, and can the data upload PC be carried out data processing.Single-chip microcomputer intelligence receives wireless instructions, and accomplishes auto-adjustment, checks meter, and parameter etc. is set.
Wireless data transfer module is the hyperchannel embedded radio digital transmission module of a new generation, and a plurality of channels can be set, but online modification serial ports speed; Emissive power, various parameters such as radio frequency speed, stepping is 1KHz; Module master chip model is: CC1100, the employing of this module innovation the error correction and detection coding that interweaves of circulation efficiently, its coding gain is up to nearly 3dBm; High and general far away forward error correction coding, antagonism bursty interference and all bigger improvement of sensitivity.Coding also comprises reliable error detecing capability simultaneously, can automatically filtering mistake and deceptive information, really realized connection.So this module is particularly suitable in strongly disturbing rugged surroundings, using.
The intelligent calibration function of the intelligent top board displacement transducer of the utility model is based on mainly that the software potentiometer of a simulation accomplishes, and does not need the hardware potentiometer to participate in.Its operation steps is following:
The first step; At first be connected to absciss layer appearance sensor on the intelligent top board displacement transducer; Two basic point heads of absciss layer appearance sensor are drawn back to the basic point distance of setting, power on for the absciss layer appearance, program gets into initial phase; Get into display routine through default parameters, at this moment the absciss layer appearance shows is not necessarily " 0 " value;
Second step, open the start key on the intelligent data collector, it is mutual with the people that the intelligent data collector sends the calibration order; By parameter setup menu key, get into parameter the interface is set, get into again " parameter A is set "; Import corresponding absciss layer appearance numbering, press acknowledgement key, the intelligent data collector sends the calibration order to the absciss layer appearance; After distributing and receiving feedback information, the intelligent data collector shows " 0 ", and so far the A parameter correction finishes;
The 3rd step, draw back two basic point heads of absciss layer appearance sensor to its maximum range, and the increase when measuring two basic point heads and draw back to its maximum range with standard metre bar apart from number; For example 300 millimeters, make the intelligent data collector get into " B parameter is set " interface, above-mentioned numbering import at the back increase apart from number; For example 300 millimeters, press acknowledgement key after, the intelligent data collector sends the calibration order to the absciss layer appearance; After distributing and receive the feedback information of table; Promptly can show data on the table, just showing on the table must be 300 millimeters, and so far the B parameter correction finishes.
After " parameter A " and " B parameter " proofreaied and correct end, this absciss layer appearance precision promptly reached more than 0.5 grade, and calibration is accomplished.
The good effect of the utility model is;
1, single-chip microcomputer inside carries storer, and all parameters deposit in wherein, than the storer that adds better stabilization function is arranged, and cost also reduces greatly.
2, the data address coding is simply saved trouble through computer networking back numbering.
3, realized the auto-adjustment function through the potentiometer of a software simulation.
4, precision is up to more than 0.5 grade, do not regulate through mechanical part, and precision is not shaken, temperature, mobile influence.
5, need not wake up, only need the staff being with collector to pass by position, the 10-50 rice left and right sides aside, just can accomplish collection automatically with the mine lamp irradiation.
6, can repair this equipment or other various parameters are set through collector.
7, the wireless data communication module can be provided with according to on-the-spot complex environment with the adjustable frequency radio communications in the 433MHz left and right sides flexibly, and is stronger than the apparatus adaptability of single fixed frequency; The 433MHz frequency band belongs to the low frequency section in addition, and more a lot of by force than the frequency diffracting power of the technological 1GMHz that use such as some ZIGBEE, obviously good to the ride-through capability of barrier, the open field transmission range can reach more than 700 meters.
8, wireless data communication module emissive power is big, but low in energy consumption, can be with more than 2 years during No. 5 battery 2000mA of single-unit.
Description of drawings
Fig. 1 is the schematic block circuit diagram of existing top board displacement transducer.
Fig. 2 is the schematic block circuit diagram of the utility model embodiment.
Fig. 3 is the schematic block circuit diagram of intelligent data collector among the utility model embodiment.
Embodiment
Further specify the technical scheme of intelligent top board displacement transducer with reference to accompanying drawing.
Fig. 1 is the schematic block circuit diagram of existing top board displacement transducer, and as can be seen from the figure, it is made up of single-chip microcomputer, communication module RSM3485, AD modular converter, LCD MODULE and two resistance conversion formula absciss layer sensors.
As shown in Figure 2, the intelligent top board displacement transducer of the utility model is made up of single-chip microcomputer, communication module RSM3485, AD modular converter, LCD MODULE and two resistance conversion formula absciss layer sensors; It also comprises a wireless data transfer module; Wireless data transfer module is highly integrated super low-power consumption half-duplex micropower module, and wireless data transfer module embeds in above-mentioned single-chip microcomputer and the communication module RSM3485 circuit; During embedding; The pin RXD of wireless data transfer module and the pin RXD of communication module RSM3485 are connected on the monolithic under-chassis TXD simultaneously; The pin TXD of communication module RSM3485 is connected on the monolithic under-chassis RXD through a diode, and the pin TXD of wireless data transfer module links to each other with the contact of above-mentioned diode with monolithic under-chassis RXD through a resistance.
It also comprises an intelligent data collector, and the intelligent data collector is as shown in Figure 3, is formed by connecting main control module M430FG4618, wireless data transfer module, key-press module ZLG7290B, battery interface, man-machine interaction Liquid Crystal Module.Wherein:
U1 is a host CPU, adopts M430FG4618, band clock in this module; Thereby can the deadline writing function, U2 is a wireless chip, the same with on the table; Be the module of transceiver, U3 is a key-press module, and model is: ZLG7290B; The main keyboard entry function of accomplishing, U4 is a battery interface, is used for accepting powered battery.U5 is a Liquid Crystal Module, is used for accomplishing man-machine interaction.
Principle of work is: when the user sends order to U1 through keyboard U3; U1 discerns keyboard commands automatically, and according to current which interface that is in of U5, gives wireless module U2 thereby send different commands; U2 issues table through radiowave again, opposite process during reception.
This collector can be accomplished automatic acquisition function, and the calibration function is arranged again.
During collection, facing to table, press and gather key automatically by the user; After demonstration receives successfully; Be put into the computer front to collector again, pass to computer to data through software, (on this module and the table is same module to need 1 software and a serial ports wireless module on the computer; But added the change-over panel of a serial ports TTL RS 232, common on this plate market)
The annexation of intelligent collector mainly is described below:
Like Fig. 3, the pin 3 of U2 links to each other with the pin one 2 of U1, and the pin 4 of U2 links to each other with the pin one 9 of U1; The pin 5 of U2 links to each other with the pin two 1 of U1, and the pin 6 of U2 links to each other with the pin 31 of U1, and the pin 7 of U2 links to each other with the pin 39 of U1; The pin one 4 of U3 links to each other with the pin one 5 of U1, and the pin one 9 of U3 links to each other with the pin two 2 of U1, and the pin two 0 of U3 links to each other with the pin two 6 of U1; Pin+3.3v of U4 links to each other with the pin of U1 43, and the pin GND of U4 links to each other with the pin 42 of U1, and the pin D0 of U5 links to each other with the pin P0.15 of U1; The pin D1 of U5 links to each other with the pin P0.16 of U1, and the pin D2 of U5 links to each other with the pin P0.17 of U1, and the pin D3 of U5 links to each other with the pin P0.18 of U1; The pin D4 of U5 links to each other with the pin P0.19 of U1, and the pin D5 of U5 links to each other with the pin P0.20 of U1, and the pin D6 of U5 links to each other with the pin P0.21 of U1; The pin D7 of U5 links to each other with the pin P0.22 of U1, and the pin RST of U5 links to each other with the pin P0.29 of U1, and the pin CS2 of U5 links to each other with the pin P0.28 of U1; The pin CS1 of U5 links to each other with the pin P0.27 of U1, and the pin E of U5 links to each other with the pin P0.23 of U1, and the pin D/I of U5 links to each other with the pin P0.31 of U1; The pin LIGHT+ of U5 connects+5V, and the pin LIGHT-of U5 meets GND.
Above-mentioned wireless data transfer module is the hyperchannel embedded radio digital transmission module of a new generation, and stepping is 1KHz, and module master chip model is: CC1100.
Above-mentioned single-chip microcomputer is fully-integrated low-power consumption mixed signal SOC(system on a chip) type MCU.Adopt model C 8051F310 series.Listed some key properties below:
1, high speed 8051 microcontroller kernels: instruction pipeline structure; The execution time of 70% instruction is individual or two system clock cycles; Speed can reach 25MIPS (when clock frequency is 25MHz); The interrupt system of expansion.
2, storer: 1280 byte inner data RAM (1024+256); 16KB (C8051F310/1) or 8KB (C8051F312/3/4).
3, FLASH storer; But in-system programming, sector-size are 512 bytes.
4, digital peripherals: 29/25 port I/O; All mouthfuls line is the voltage of anti-5V all; Hardware enhancement mode UART, SMBus and SPI serial ports; 4 general 16 digit counters/timers; 16 programmable counter/timer arrays (PCA); Seizure/comparison module is arranged; Use the real-time clock mode of PCA or timer and external clock reference.
5, clock source: internal programmable oscillator: 24.5MHz, ± 2% precision; Can support not have crystal UART operation; External oscillator: crystal, RC, C or external clock.
6, the device that has electrification reset in the sheet, VDD monitor, WatchDog Timer and a clock oscillator is the SOC(system on a chip) that really can work alone.The FLASH storer also has the reprogramming ability in system, can be used for non-volatile data storage, and allows on-the-spot 8051 firmwares that upgrade.User software has completely control to all peripheral hardwares, can turn-off any one or all peripheral hardwares to save power consumption.
Claims (2)
1. intelligent top board displacement transducer; It is made up of single-chip microcomputer, communication module RSM3485, AD modular converter, LCD MODULE and two resistance conversion formula absciss layer sensors; It is characterized in that it also comprises a wireless data transfer module and intelligent data collector; Wherein:
Described wireless data transfer module embeds in above-mentioned single-chip microcomputer and the communication module RSM3485 circuit; During embedding; The pin RXD of wireless data transfer module and the pin RXD of communication module RSM3485 are connected on the monolithic under-chassis TXD simultaneously; The pin TXD of communication module RSM3485 is connected on the monolithic under-chassis RXD through a diode, and the pin TXD of wireless data transfer module links to each other with the contact of above-mentioned diode with monolithic under-chassis RXD through a resistance;
Described intelligent data collector is formed by connecting main control module M430FG4618, wireless data transfer module, key-press module ZLG7290B, battery interface and the communication of man-machine interaction Liquid Crystal Module;
Above-mentioned wireless data transfer module all is highly integrated super low-power consumption half-duplex micropower modules.
2. intelligent top board displacement transducer as claimed in claim 1 is characterized in that, described single-chip microcomputer adopts model C 8051F310 Series chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201411281U CN202119386U (en) | 2011-04-24 | 2011-04-24 | Intelligent top plate displacement transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201411281U CN202119386U (en) | 2011-04-24 | 2011-04-24 | Intelligent top plate displacement transducer |
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| Publication Number | Publication Date |
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| CN202119386U true CN202119386U (en) | 2012-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201411281U Expired - Lifetime CN202119386U (en) | 2011-04-24 | 2011-04-24 | Intelligent top plate displacement transducer |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759325A (en) * | 2011-04-24 | 2012-10-31 | 山东大成电气有限公司 | Intelligent roof displacement sensor and meter calibration method thereof |
| CN102967254A (en) * | 2012-11-20 | 2013-03-13 | 中国地质调查局水文地质环境地质调查中心 | Quasi-distributed crack displacement monitoring device for pull rod |
| CN103266919A (en) * | 2013-05-23 | 2013-08-28 | 山西煤炭运销集团有限公司 | Network digital straight-bar direct-reading roof separation instrument |
| CN103266918A (en) * | 2013-05-23 | 2013-08-28 | 山西煤炭运销集团有限公司 | Network digital parallel direct-reading roof separation instrument |
| CN106257278A (en) * | 2016-10-12 | 2016-12-28 | 华北科技学院 | System and monitoring method are monitored in a kind of simulation experiment for roadway roof absciss layer |
-
2011
- 2011-04-24 CN CN2011201411281U patent/CN202119386U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759325A (en) * | 2011-04-24 | 2012-10-31 | 山东大成电气有限公司 | Intelligent roof displacement sensor and meter calibration method thereof |
| CN102967254A (en) * | 2012-11-20 | 2013-03-13 | 中国地质调查局水文地质环境地质调查中心 | Quasi-distributed crack displacement monitoring device for pull rod |
| CN102967254B (en) * | 2012-11-20 | 2016-03-30 | 中国地质调查局水文地质环境地质调查中心 | A kind of quasi-distributed pull bar crack displacement monitoring device |
| CN103266919A (en) * | 2013-05-23 | 2013-08-28 | 山西煤炭运销集团有限公司 | Network digital straight-bar direct-reading roof separation instrument |
| CN103266918A (en) * | 2013-05-23 | 2013-08-28 | 山西煤炭运销集团有限公司 | Network digital parallel direct-reading roof separation instrument |
| CN106257278A (en) * | 2016-10-12 | 2016-12-28 | 华北科技学院 | System and monitoring method are monitored in a kind of simulation experiment for roadway roof absciss layer |
| CN106257278B (en) * | 2016-10-12 | 2018-02-23 | 华北科技学院 | A kind of simulated experiment monitoring system and monitoring method for roadway roof absciss layer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120118 |
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| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Meng Hongxin Document name: Notice of termination of patent right |