CN204389431U - A kind of coal-fired watercutmeter - Google Patents
A kind of coal-fired watercutmeter Download PDFInfo
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- CN204389431U CN204389431U CN201520052153.0U CN201520052153U CN204389431U CN 204389431 U CN204389431 U CN 204389431U CN 201520052153 U CN201520052153 U CN 201520052153U CN 204389431 U CN204389431 U CN 204389431U
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Abstract
A kind of coal-fired watercutmeter, relates to surveying instrument instrument, and described device comprises the metering circuit plate measured capacitor, measuring box, LOAD CELLS, temperature sensor, meter case and be positioned at meter case inside.Described measurement capacitor comprises measures capacitor top electrode, measurement capacitor lower electrode.Communication failure pilot lamp, system cloud gray model pilot lamp, power light, usb communication socket, liquid crystal display are equipped with in a side of meter case.The metering circuit plate of meter case inside comprises: capacitive detection circuit, signal amplification circuit, and measuring box is between measurement capacitor top electrode, measurement capacitor lower electrode.Described weighing passes this measuring instrument and adopts the coal-fired water percentage of capacitance measurement, and surveys the temperature data of fire coal with institute and weight data carries out error correction, and measurement efficiency is higher, and measurement data can be sent outer PC to carry out analyzing, storing.
Description
Technical field
The utility model relates to a kind of surveying instrument instrument, particularly relates to a kind of coal-fired watercutmeter.
Background technology
Coal-fired water percentage is one of major parameter characterizing coal-fired quality.All need to measure the water percentage of fire coal in a lot of occasion.Such as: in coal saving process, coal-fired water percentage is too low, easily causes spontaneous combustion of coal; Coal-fired water percentage is too high, can affect coal-fired burning quality.At present, for the measurement of coal-fired water percentage, mostly also adopt the methods such as lab analysis, measure efficiency lower.
Summary of the invention
The purpose of this utility model is to provide a kind of coal-fired watercutmeter, this measuring instrument adopts the coal-fired water percentage of capacitance measurement, and with survey coal-fired temperature data and weight data carries out error correction, measure efficiency higher, and measurement data can be sent exterior PC (personal computer) machine to carry out analyzing, storing.
The purpose of this utility model is achieved through the following technical solutions:
A kind of coal-fired watercutmeter, comprising: measure capacitor, measuring box, LOAD CELLS, temperature sensor, meter case and be positioned at the metering circuit plate of meter case inside; Described measurement capacitor comprises measures capacitor top electrode, measurement capacitor lower electrode; Communication failure pilot lamp, system cloud gray model pilot lamp, power light, USB(USB (universal serial bus) are equipped with in a side of meter case) communication jacks, derive button, store button, stop key, start button, liquid crystal display.The metering circuit plate of meter case inside comprises: capacitive detection circuit, signal amplification circuit, analog to digital converter, single-chip microcomputer (model is MSP430C413), power module, digital output module, communication interface modules, display interface module, memory module, keyboard interface module; Described measuring box is between measurement capacitor top electrode, measurement capacitor lower electrode; Described LOAD CELLS is positioned at below measuring box; Described temperature sensor is positioned at measuring box.
Described measurement capacitor top electrode, measure capacitor lower electrode respectively by electrode outlet line, be connected with capacitive detection circuit through signal cable; Described capacitive detection circuit, temperature sensor, LOAD CELLS are connected with signal amplification circuit respectively by signal wire; Described signal amplification circuit is connected with analog to digital converter by signal wire; Described analog to digital converter is connected with single-chip microcomputer MSP430C413 by bus; Described single-chip microcomputer MSP430C413 is connected with digital output module, communication interface modules, display interface module, memory module, keyboard interface module respectively by bus; Described power module is connected with single-chip microcomputer MSP430C413 by power lead.Described keyboard interface module respectively by signal wire with startup button, stop key, store button, derive button and be connected; Described digital output module is connected with power light, system cloud gray model pilot lamp, communication failure pilot lamp respectively by signal wire; Described communication interface modules is connected with usb communication socket by signal wire; Can external PC by usb communication socket; Described display interface module is connected with liquid crystal display by signal wire.
Principle of work of the present utility model is as follows:
Switch on power, now power light is lighted.Press startup button, now, system cloud gray model pilot lamp is lighted, and measuring instrument is in running order.Coal-fired powder to be measured is filled measuring box, and the coal-fired powder being positioned at measuring box becomes the dielectric measuring capacitor, and coal dust water percentage is different, then specific inductive capacity is different, thus causes the capacitance measuring capacitor different.Therefore, the capacitance size measuring capacitor represents the situation of coal-fired water percentage.The measurement capacitor lower electrode being positioned at measurement capacitor top electrode above measuring box and be positioned at below measuring box respectively by extension line, the capacitance signal of coal-fired for described representative water percentage size is sent into capacitive detection circuit through signal cable, is sent into signal amplification circuit through the capacitance signal detected by capacitive detection circuit and is carried out amplifications and process.Temperature signal coal-fired in measuring box detected by described temperature sensor by temperature sensor signal line, to send into signal amplification circuit through signal cable and carry out amplifications and process; Coal-fired weight signal detected by described LOAD CELLS by load cell signal line, also to send into signal amplification circuit through signal cable and carry out amplification process.Described coal temperature signal after signal amplification circuit amplifies, the capacitance signal representing coal-fired water percentage size, coal-fired weight signal convert to after digital quantity through analog to digital converter and send into single-chip microcomputer MSP430C413.The electric capacity digital quantity signal of coal-fired for described representative water percentage size is carried out calculation process by single-chip microcomputer MSP430C413, obtain coal-fired water percentage data, and with coal temperature digital quantity signal and coal-fired weight figure amount signal, these coal-fired water percentage data are revised respectively, to eliminate the measuring error because coal temperature change, coal varitation cause.Revised coal-fired water percentage data show by single-chip microcomputer MSP430C413 on display interface module liquor charging crystal display.Press storage button, described coal-fired water percentage data can be sent into memory module through bus and store by single-chip microcomputer MSP430C413; Press derivation button, described coal-fired water percentage data are sent into outer PC carry out data analysis, data storage through communication interface modules, usb communication sockets by single-chip microcomputer MSP430C413.As single-chip microcomputer MSP430C413 and outer PC communication broke down, single-chip microcomputer MSP430C413 will, by digital output module output alarm signal to communication failure pilot lamp, make it light.Measure complete, can press and stop key, stop the work of this measuring instrument.
Advantage of the present utility model and effect are:
Have employed capacitance measurement due to this measuring instrument and with temperature and weight signal, error correction carried out to measured coal-fired water percentage data, therefore, measuring accuracy rate higher; Again because this measuring instrument utilizes single-chip microcomputer MSP430C413 as the core controller of data processing, computing, therefore measure efficiency higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of coal-fired watercutmeter;
Fig. 2 is the circuit block diagram of coal-fired watercutmeter.
Embodiment
Below in conjunction with accompanying drawing illustrated embodiment, the utility model is described in detail.
Label declaration in Fig. 1: 1, meter case, 2, communication failure pilot lamp, 3, system cloud gray model pilot lamp, 4, power light, 5, usb communication socket, 6, derive button, 7, store button, 8, stop key, 9, start button, 10, temperature sensor signal line, 11, measure capacitor lower electrode extension line, 12, load cell signal line, 13, LOAD CELLS, 14, measure capacitor lower electrode, 15, measuring box, 16, measure capacitor top electrode, 17, temperature sensor, 18, measure capacitor top electrode extension line, 19, signal cable, 20, liquid crystal display.
See Fig. 1, the utility model comprises: meter case 1, communication failure pilot lamp 2, system cloud gray model pilot lamp 3, power light 4, usb communication socket 5, derive button 6, store button 7, stop key 8, start button 9, temperature sensor signal line 10, measure capacitor lower electrode extension line 11, load cell signal line 12, LOAD CELLS 13, measure capacitor lower electrode 14, measuring box 15, measure capacitor top electrode 16, temperature sensor 17, measure capacitor top electrode extension line 18, signal cable 19, liquid crystal display 20.
See Fig. 2, the metering circuit plate in the utility model meter case comprises: capacitive detection circuit, signal amplification circuit, analog to digital converter, single-chip microcomputer MSP430C413, power module, digital output module, communication interface modules, display interface module, memory module, keyboard interface module.
Switch on power, now power light 4 is lighted.Press and start button 9, now, system cloud gray model pilot lamp 3 is lighted, and measuring instrument is in running order.Coal-fired powder to be measured is filled measuring box 15, and the coal-fired powder being positioned at measuring box 15 becomes the dielectric measuring capacitor, and coal dust water percentage is different, then specific inductive capacity is different, thus causes the capacitance measuring capacitor different.The capacitance size measuring capacitor represents the height of coal-fired water percentage.The measurement capacitor lower electrode 14 being positioned at the measurement capacitor top electrode 16 above measuring box 15 and be positioned at below measuring box, respectively by measuring capacitor top electrode extension line 18, measuring capacitor lower electrode extension line 11 through signal cable 19 by the capacitance signal of coal-fired for described representative water percentage size feeding capacitive detection circuit, carries out amplification process through the capacitance signal feeding signal amplification circuit detected by capacitive detection circuit.Temperature signal coal-fired in measuring box detected by described temperature sensor 17 15 by temperature sensor signal line 10, to send into signal amplification circuit through signal cable 19 and carry out amplifications and process; Coal-fired weight signal detected by described LOAD CELLS 13 by load cell signal line 12, also to send into signal amplification circuit through signal cable 19 and carry out amplification process.Described coal temperature signal after signal amplification circuit amplifies, the capacitance signal representing coal-fired water percentage size, coal-fired weight signal send into single-chip microcomputer MSP430C413 after converting temperature digital amount signal, electric capacity digital quantity signal and weight figure amount signal to respectively through analog to digital converter.The electric capacity digital quantity signal of coal-fired for described representative water percentage size is carried out calculation process by single-chip microcomputer MSP430C413, obtain coal-fired water percentage data, and with coal temperature digital quantity signal and coal-fired weight figure amount signal, these coal-fired water percentage data are revised respectively, to eliminate the measuring error because coal temperature change, coal varitation cause.Revised coal-fired water percentage data show by single-chip microcomputer MSP430C413 on display interface module liquor charging crystal display 20.Press and store button 7, described coal-fired water percentage data can be sent into memory module through bus and store by single-chip microcomputer MSP430C413; Press and derive button 6, described coal-fired water percentage data are sent into outer PC carry out data analysis, data storage through communication interface modules, usb communication sockets 5 by single-chip microcomputer MSP430C413.As single-chip microcomputer MSP430C413 and outer PC communication broke down, single-chip microcomputer MSP430C413 will, by digital output module output alarm signal to communication failure pilot lamp 2, make it light.Measure complete, can press and stop key 8, stop the work of this measuring instrument.
Claims (5)
1. a coal-fired watercutmeter, is characterized in that, described measuring instrument comprises the metering circuit plate measured capacitor, measuring box, LOAD CELLS, temperature sensor, meter case and be positioned at meter case inside; Described measurement capacitor comprises measures capacitor top electrode, measurement capacitor lower electrode; A side of meter case is equipped with communication failure pilot lamp, system cloud gray model pilot lamp, power light, usb communication socket, derives button, stores button, stops key, starts button, liquid crystal display; The metering circuit plate of meter case inside comprises: capacitive detection circuit, signal amplification circuit, analog to digital converter, single-chip microcomputer, power module, digital output module, communication interface modules, display interface module, memory module, keyboard interface module; Measuring box is between measurement capacitor top electrode, measurement capacitor lower electrode; LOAD CELLS is positioned at below measuring box; Described temperature sensor is positioned at measuring box.
2. the coal-fired watercutmeter of one according to claim 1, is characterized in that, described measurement capacitor top electrode, measures capacitor lower electrode respectively by electrode outlet line, be connected with capacitive detection circuit through signal cable; Described capacitive detection circuit, temperature sensor, LOAD CELLS are connected with signal amplification circuit respectively by signal wire; Described signal amplification circuit is connected with analog to digital converter by signal wire.
3. the coal-fired watercutmeter of one according to claim 1, is characterized in that, described analog to digital converter is connected with single-chip microcomputer MSP430C413 by bus; Described single-chip microcomputer MSP430C413 is connected with digital output module, communication interface modules, display interface module, memory module, keyboard interface module respectively by bus; Power module is connected with single-chip microcomputer MSP430C413 by power lead.
4. the coal-fired watercutmeter of one according to claim 1, is characterized in that, described keyboard interface module respectively by signal wire with startup button, stop key, store button, derive button and be connected; Described digital output module is connected with power light, system cloud gray model pilot lamp, communication failure pilot lamp respectively by signal wire.
5. the coal-fired watercutmeter of one according to claim 1, is characterized in that, described communication interface modules is connected with usb communication socket by signal wire; Can external PC by usb communication socket; Described display interface module is connected with liquid crystal display by signal wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520052153.0U CN204389431U (en) | 2015-01-26 | 2015-01-26 | A kind of coal-fired watercutmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520052153.0U CN204389431U (en) | 2015-01-26 | 2015-01-26 | A kind of coal-fired watercutmeter |
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| Publication Number | Publication Date |
|---|---|
| CN204389431U true CN204389431U (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520052153.0U Expired - Fee Related CN204389431U (en) | 2015-01-26 | 2015-01-26 | A kind of coal-fired watercutmeter |
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| CN (1) | CN204389431U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111562292A (en) * | 2020-06-17 | 2020-08-21 | 东北林业大学 | Novel standing timber sapwood moisture content measuring apparatu lives |
| CN113866379A (en) * | 2021-09-27 | 2021-12-31 | 大连理工大学 | Coal detection method based on big data analysis and prediction |
-
2015
- 2015-01-26 CN CN201520052153.0U patent/CN204389431U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111562292A (en) * | 2020-06-17 | 2020-08-21 | 东北林业大学 | Novel standing timber sapwood moisture content measuring apparatu lives |
| CN113866379A (en) * | 2021-09-27 | 2021-12-31 | 大连理工大学 | Coal detection method based on big data analysis and prediction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20160126 |
|
| EXPY | Termination of patent right or utility model |