CN2665360Y - Digitalized top board monitoring apparatus - Google Patents
Digitalized top board monitoring apparatus Download PDFInfo
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- CN2665360Y CN2665360Y CN 200320132250 CN200320132250U CN2665360Y CN 2665360 Y CN2665360 Y CN 2665360Y CN 200320132250 CN200320132250 CN 200320132250 CN 200320132250 U CN200320132250 U CN 200320132250U CN 2665360 Y CN2665360 Y CN 2665360Y
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Abstract
The utility model relates to a digital roof plate monitor, which belongs to a monitoring instrument for monitoring the coal mine roof plate. The utility model is to solve the technical difficulties that the existing mechanical measuring device is large in measurement error, non-intuitive in vision, inconvenient in reading and can not store data. To solve the above problems, the utility model adopts the following technical proposal that the digital roof plate monitor comprises a power conversion circuit, a signal processor, a module signal converter, a display, a flame-proof and intrinsically safe power supply, a plurality of displacement sensors, a simulation switch and a signal conditioning device. The output terminal of the flame-proof and intrinsically safe power supply is respectively connected with the power terminal of the signal processor and the input terminal of the power conversion circuit; the output terminal of the power conversion circuit is connected with the power terminal of the displacement sensor. The utility model has the advantages of high measurement accuracy, easy reading and high intelligence grade, and can store data.
Description
Technical field
The utility model relates to a kind of digitlization top board monitor, and it belongs to a kind of monitoring instrument of monitoring coal mine roof plate.
Background technology
The roof delamination instrument that use in existing colliery is the mechanical type measurement mechanism, on back, punch earlier during use, to measure rope and being fixed on the old top, the lower end of rope is fixed on to be measured on the ruler, and it is vertical with the top board maintenance and make ruler that enough ranges are arranged outside the hole to guarantee that dip stick enters in the hole in.Remembered the initial position of top board on ruler during installation, as basic point, when roof weighting, the dip stick that is fixed on the old top is motionless with this, and directly the sinking on top is sunk the position of top board on ruler, reads the sinking numerical value of top board thus.Therefore, it exist measure error big, show directly perceived, reading is inconvenient and can not store shortcoming such as data.
Summary of the invention
The purpose of this utility model is that the measure error of solution existing machinery formula measurement mechanism existence is big, demonstration is directly perceived, reading is inconvenient and can not store the technological difficulties of data and a kind of certainty of measurement height, convenient reading are provided, can store data and the high digitlization top board monitor of intelligent degree.
For realizing above-mentioned task, the technical solution adopted in the utility model is: digitlization top board monitor, comprise power converting circuit, signal processor, modulus signal converter and display, the output of signal processor is connected with display, the signal input part of signal processor is connected with receiving digital signals with the output of modulus signal converter, wherein: it also comprises Flameproof and intrinsically safe power supply, several displacement transducers, analog switch and signal conditioner, the output of Flameproof and intrinsically safe power supply is connected with the power end of signal processor and the input of power converting circuit respectively, the output of power converting circuit is connected with the power end of displacement transducer, the signal output part of displacement transducer is connected with the signal receiving end of analog switch gives analog switch with the signal of gathering, the output of analog switch is connected with the input of signal conditioner, and the output of signal conditioner is connected with the input of modulus signal converter to be sent into the analog signal of conditioning in the modulus signal converter.
Described displacement transducer is made up of displacement-converting electrical signal circuit, signal amplification circuit and signal of telecommunication output circuit, displacement-converting electrical signal circuit is connected with the input of signal amplification circuit and converts mechanical displacement to the signal of telecommunication and flow to signal amplification circuit, and signal amplification circuit is connected with signal of telecommunication output circuit gives signal of telecommunication output circuit after will the signal of telecommunication amplifying.
Described Flameproof and intrinsically safe power supply is by voltage conversion circuit, rectification circuit, filter circuit, the one-level current-limiting circuit, the secondary current-limiting circuit, the one-level pressure limiting circuit, secondary pressure limiting circuit and intrinsic safety output circuit are formed, voltage conversion circuit is connected with the input of rectification circuit, the output of rectification circuit is connected with filter circuit, filter circuit is connected with the input of one-level current-limiting circuit, the output of one-level current-limiting circuit is connected with the input of secondary current-limiting circuit, the output of secondary current-limiting circuit is connected with the input of one-level pressure limiting circuit, the output of one-level pressure limiting circuit is connected with the input of secondary pressure limiting circuit, and the output of secondary pressure limiting circuit is connected with the intrinsic safety output circuit.
Because the utility model has adopted displacement transducer to gather the displacement of top board and has carried out the technical scheme that signal is handled with computer, therefore compares with background technology, has the following advantages:
1, dependable performance, low in energy consumption, safety good;
2, certainty of measurement height, convenient reading, can store data and intelligent degree height;
3, installation is easy and easy to use;
The deflection that 4, can intuitively show top board.
The utility model is specially adapted to have the mine use of damp and coal dust.
Description of drawings
Fig. 1 is a circuit block diagram of the present utility model;
Fig. 2 is the circuit block diagram of displacement transducer;
Fig. 3 is the circuit block diagram of Flameproof and intrinsically safe power supply.
The specific embodiment
As shown in Figure 1, digitlization top board monitor in the present embodiment, comprise power converting circuit, MCU signal processor (AT89S51), modulus signal converter (ICL7135) and display, the output of MCU signal processor is connected with display, the signal input part of MCU signal processor is connected with receiving digital signals with the output of modulus signal converter, wherein: it also comprises Flameproof and intrinsically safe power supply, 5 displacement transducers, analog switch and signal conditioner, the output of Flameproof and intrinsically safe power supply is connected with the power end of MCU signal processor and the input of power converting circuit respectively, the output of power converting circuit is connected with the power end of displacement transducer, the signal output part of displacement transducer is connected with the signal receiving end of analog switch gives analog switch with the signal of gathering, the output of analog switch is connected with the input of signal conditioner, and the output of signal conditioner is connected with the input of modulus signal converter to be sent into the analog signal of conditioning in the modulus signal converter.
As shown in Figure 2, above-mentioned displacement transducer is made up of displacement-converting electrical signal circuit, signal amplification circuit and signal of telecommunication output circuit, displacement-converting electrical signal circuit is connected with the input of signal amplification circuit and converts mechanical displacement to the signal of telecommunication and flow to signal amplification circuit, and signal amplification circuit is connected with signal of telecommunication output circuit gives signal of telecommunication output circuit after will the signal of telecommunication amplifying.
As shown in Figure 3, above-mentioned Flameproof and intrinsically safe power supply is by voltage conversion circuit, rectification circuit, filter circuit, the one-level current-limiting circuit, the secondary current-limiting circuit, the one-level pressure limiting circuit, secondary pressure limiting circuit and intrinsic safety output circuit are formed, voltage conversion circuit is connected with the input of rectification circuit, the output of rectification circuit is connected with filter circuit, filter circuit is connected with the input of one-level current-limiting circuit, the output of one-level current-limiting circuit is connected with the input of secondary current-limiting circuit, the output of secondary current-limiting circuit is connected with the input of one-level pressure limiting circuit, the output of one-level pressure limiting circuit is connected with the input of secondary pressure limiting circuit, and the output of secondary pressure limiting circuit is connected with the intrinsic safety output circuit.
Displacement transducer in the foregoing description can also be selected between 1～30.
Claims (3)
1, a kind of digitlization top board monitor, comprise power converting circuit, signal processor, modulus signal converter and display, the output of signal processor is connected with display, the signal input part of signal processor is connected with receiving digital signals with the output of modulus signal converter, it is characterized in that: further comprising Flameproof and intrinsically safe power supply, several displacement transducers, analog switch and signal conditioner, the output of Flameproof and intrinsically safe power supply is connected with the power end of signal processor and the input of power converting circuit respectively, the output of power converting circuit is connected with the power end of displacement transducer, the signal output part of displacement transducer is connected with the signal receiving end of analog switch gives analog switch with the signal of gathering, the output of analog switch is connected with the input of signal conditioner, and the output of signal conditioner is connected with the input of modulus signal converter to be sent into the analog signal of conditioning in the modulus signal converter.
2, a kind of digitlization top board monitor according to claim 1, it is characterized in that: described displacement transducer is made up of displacement one converting electrical signal circuit, signal amplification circuit and signal of telecommunication output circuit, displacement one converting electrical signal circuit is connected with the input of signal amplification circuit and converts mechanical displacement to the signal of telecommunication and flow to signal amplification circuit, and signal amplification circuit is connected with signal of telecommunication output circuit gives signal of telecommunication output circuit after will the signal of telecommunication amplifying.
3, a kind of digitlization top board monitor according to claim 1, it is characterized in that: described Flameproof and intrinsically safe power supply is by voltage conversion circuit, rectification circuit, filter circuit, the one-level current-limiting circuit, the secondary current-limiting circuit, the one-level pressure limiting circuit, secondary pressure limiting circuit and intrinsic safety output circuit are formed, voltage conversion circuit is connected with the input of rectification circuit, the output of rectification circuit is connected with filter circuit, filter circuit is connected with the input of one-level current-limiting circuit, the output of one-level current-limiting circuit is connected with the input of secondary current-limiting circuit, the output of secondary current-limiting circuit is connected with the input of one-level pressure limiting circuit, the output of one-level pressure limiting circuit is connected with the input of secondary pressure limiting circuit, and the output of secondary pressure limiting circuit is connected with the intrinsic safety output circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320132250 CN2665360Y (en) | 2003-12-26 | 2003-12-26 | Digitalized top board monitoring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320132250 CN2665360Y (en) | 2003-12-26 | 2003-12-26 | Digitalized top board monitoring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2665360Y true CN2665360Y (en) | 2004-12-22 |
Family
ID=34350295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320132250 Expired - Fee Related CN2665360Y (en) | 2003-12-26 | 2003-12-26 | Digitalized top board monitoring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2665360Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949672A (en) * | 2010-08-03 | 2011-01-19 | 亓海滨 | Method and device for calibrating top plate dynamic apparatus |
| CN104236439A (en) * | 2014-09-29 | 2014-12-24 | 煤炭科学技术研究院有限公司 | Roof abscission layer monitoring device and method |
-
2003
- 2003-12-26 CN CN 200320132250 patent/CN2665360Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949672A (en) * | 2010-08-03 | 2011-01-19 | 亓海滨 | Method and device for calibrating top plate dynamic apparatus |
| CN101949672B (en) * | 2010-08-03 | 2012-08-01 | 泰安市计量测试所 | Method and device for calibrating top plate dynamic apparatus |
| CN104236439A (en) * | 2014-09-29 | 2014-12-24 | 煤炭科学技术研究院有限公司 | Roof abscission layer monitoring device and method |
| CN104236439B (en) * | 2014-09-29 | 2017-04-05 | 煤炭科学技术研究院有限公司 | Roof abscission layer monitoring device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |