CN204388908U - A kind of power station coal pulverizer duty on-Line Monitor Device - Google Patents
A kind of power station coal pulverizer duty on-Line Monitor Device Download PDFInfo
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- CN204388908U CN204388908U CN201520044203.0U CN201520044203U CN204388908U CN 204388908 U CN204388908 U CN 204388908U CN 201520044203 U CN201520044203 U CN 201520044203U CN 204388908 U CN204388908 U CN 204388908U
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Abstract
A kind of power station coal pulverizer duty on-Line Monitor Device, relate to surveying instrument instrument, described device comprises monitoring device and observation circuit, a side of monitoring device shell is equipped with LCD display, starts button, stops key, exits and arrange button, lower option tab, upper option tab, arrange button, usb communication socket, working station indicator, abnormal parameters pilot lamp, communication failure pilot lamp; Observation circuit in monitoring device shell imports and exports differential pressure pick-up, coal pulverizer current sensor, primary air fan current sensor, mill sealing air and First air differential pressure pick-up, motor of coal crusher bearing temperature sensor, coal pulverizer inlet First air temperature sensor, coal pulverizer inlet primary air pressure force snesor by pulverizer outlet temperature sensor, coal pulverizer; The utility model adopts single-chip microcomputer STM32F103RB as the core component of observation circuit, and this monitoring device not only can calculate by Real-time Collection on-site signal, and measuring accuracy is higher.
Description
Technical field
The utility model relates to a kind of surveying instrument instrument, particularly relates to a kind of power station coal pulverizer duty on-Line Monitor Device.
Background technology
Coal pulverizer is the plant equipment that thermal power plant commonly uses, and be broadly divided into low-speed coal mill, medium-speed pulverizer and high speed coal mill according to its working speed, wherein medium-speed pulverizer has the common type such as roller tire bowl shaped mill, middling speed square position mill by structural shape.Due to coal pulverizer complex structure, working environment is comparatively severe, therefore easily various fault occurs at work.In order to ensure coal pulverizer safe and stable operation, be necessary to carry out on-line monitoring to the correlation parameter in the coal pulverizer course of work.At present, the security and stability of the most coal pulverizer of China all judges with the experience of operations staff, truly can not reflect the duty of coal pulverizer.Therefore, design and a kind ofly the monitoring device of on-line real time monitoring coal pulverizer working status parameter not only can improve the automatization level of coal pulverizer monitoring, and for the safe operation of guarantee coal pulverizer, there is very important practical significance.
Summary of the invention
The purpose of this utility model is to provide a kind of power station coal pulverizer duty on-Line Monitor Device, this device adopts single-chip microcomputer STM32F103RB as the core component of observation circuit, this monitoring device not only can calculate by Real-time Collection on-site signal, and measuring accuracy is higher.
The purpose of this utility model is achieved through the following technical solutions:
A kind of power station coal pulverizer duty on-Line Monitor Device, comprises monitoring device shell and observation circuit.LCD(liquid crystal display is equipped with in a side of monitoring device shell) display screen, start button, stop key, exit button, lower option tab, upper option tab are set, button, USB(USB (universal serial bus) are set) communication jacks, working station indicator, abnormal parameters pilot lamp, communication failure pilot lamp.Observation circuit in monitoring device shell is by pulverizer outlet temperature sensor, differential pressure pick-up imported and exported by coal pulverizer, coal pulverizer current sensor, primary air fan current sensor, mill sealing air and First air differential pressure pick-up, motor of coal crusher bearing temperature sensor, coal pulverizer inlet First air temperature sensor, coal pulverizer inlet primary air pressure force snesor, coal pulverizer outlet wind pressure sensor, pulverizer' s primary air flow sensor, coal pulverizer gear tank oil temperature sensor, coal pulverizer thrust bearing fuel tank temperature sensor, coal pulverizer becomes on-load pressure sensor, motor of coal crusher iron core temperature sensor, coal pulverizer hydraulic oil unit fuel tank temperature sensor, signal amplification forms with isolation module and Single Chip Microcomputer (SCM) system module.Described Single Chip Microcomputer (SCM) system module comprises: single-chip microcomputer (model is STM32F103RB), power module, analog-to-digital conversion module, digital quantity input module, digital output module, memory module, usb communication interface module, LCD display module.
Pulverizer outlet temperature sensor, differential pressure pick-up imported and exported by coal pulverizer, coal pulverizer current sensor, primary air fan current sensor, mill sealing air and First air differential pressure pick-up, motor of coal crusher bearing temperature sensor, coal pulverizer inlet First air temperature sensor, coal pulverizer inlet primary air pressure force snesor, coal pulverizer outlet wind pressure sensor, pulverizer' s primary air flow sensor, coal pulverizer gear tank oil temperature sensor, coal pulverizer thrust bearing fuel tank temperature sensor, coal pulverizer becomes on-load pressure sensor, motor of coal crusher iron core temperature sensor, coal pulverizer hydraulic oil unit fuel tank temperature sensor to amplify with signal respectively by signal wire and is connected with isolation module, described signal amplification is connected with analog-to-digital conversion module by signal wire with isolation module, described analog-to-digital conversion module is connected with single-chip microcomputer STM32F103RB by bus, digital quantity input module, digital output module, usb communication interface module, memory module are connected with single-chip microcomputer STM32F103RB respectively by bus with LCD display module, power module is connected with LCD display module with analog-to-digital conversion module, digital quantity input module, digital output module, usb communication interface module, memory module respectively by power lead, described LCD display module is connected with the LCD display on monitoring device shell by signal wire, described usb communication interface module can be communicated with outer computer by the usb communication socket on monitoring device shell, startup button on monitoring device shell, stop key, exit and button, lower option tab, upper option tab are set, button is set is connected with digital quantity input module respectively by signal wire, digital output module is connected with the working station indicator on monitoring device shell, abnormal parameters pilot lamp, communication failure pilot lamp respectively by signal wire.
Principle of work of the present utility model is as follows:
Pulverizer outlet temperature sensor, coal pulverizer import and export differential pressure pick-up, coal pulverizer current sensor, primary air fan current sensor, mill sealing air and First air differential pressure pick-up, motor of coal crusher bearing temperature sensor, coal pulverizer inlet First air temperature sensor, coal pulverizer inlet primary air pressure force snesor, coal pulverizer export wind pressure sensor, pulverizer' s primary air flow sensor,
Coal pulverizer gear tank oil temperature sensor, coal pulverizer thrust bearing fuel tank temperature sensor, coal pulverizer becomes on-load pressure sensor, motor of coal crusher iron core temperature sensor, coal pulverizer hydraulic oil unit fuel tank temperature sensor is respectively by collected on-the-spot pulverizer outlet temperature signal, differential pressure signal imported and exported by coal pulverizer, coal pulverizer current signal, primary air fan current signal, mill sealing air and First air differential pressure signal, motor of coal crusher bearing temperature signal, coal pulverizer inlet First air temperature signal, coal pulverizer inlet primary air pressure force signal, coal pulverizer outlet wind pressure signal, pulverizer' s primary air flow signal, coal pulverizer gear tank oil temperature signal, coal pulverizer thrust bearing fuel tank temperature signal, coal pulverizer becomes on-load pressure signal, motor of coal crusher iron core temperature signal, coal pulverizer hydraulic oil unit fuel tank temperature signal amplifies through signal and carries out signal amplification with isolation module, analog-to-digital conversion module is sent to carry out analog to digital conversion after light/electric isolution process, the pulverizer outlet temperature data obtained after conversion, differential pressure data imported and exported by coal pulverizer, coal pulverizer current data, primary air fan current data, mill sealing air and First air differential pressure data, motor of coal crusher bearing temperature data, coal pulverizer inlet First air temperature data, coal pulverizer inlet primary air pressure force data, coal pulverizer outlet wind pressure data, pulverizer' s primary air flow data, coal pulverizer gear tank oil temperature data, coal pulverizer thrust bearing fuel tank temperature data, coal pulverizer becomes on-load pressure data, motor of coal crusher iron core temperature data, coal pulverizer hydraulic oil unit fuel tank temperature data is sent into single-chip microcomputer STM32F103RB through bus and is carried out analyzing and processing, obtains coal pulverizer operating state data.Coal pulverizer operating state data send outside memory module storage by single-chip microcomputer STM32F103RB, is also shown in LCD display by LCD display module.Single-chip microcomputer STM32F103RB, by described communication interface modules, can be connected with outer computer through usb communication socket, realizes the communication of this monitoring device and outer computer.Startup button on monitoring device shell, stop key, exit and button is set, lower option tab, upper option tab, arrange button to be connected with digital quantity input module respectively by signal wire, described digital quantity input module receives described startup button, stop key, exit and button is set, lower option tab, upper option tab, the key information of button is set and by bus, described key information is sent to single-chip microcomputer STM32F103RB, realize the startup of monitoring device, stop, pattern of deactivating is arranged, select the next item down mode of operation, select the next item up mode of operation, the execution that mode of operation is arranged.Described digital output module is connected with working station indicator, abnormal parameters pilot lamp, communication failure pilot lamp by signal wire, when monitoring device operation irregularity, single-chip microcomputer STM32F103RB can, by described digital output module output signal to working station indicator, make working station indicator light; When the coal pulverizer operating state data that monitoring device collects is abnormal, single-chip microcomputer STM32F103RB can, by described digital output module output signal to abnormal parameters pilot lamp, make abnormal parameters pilot lamp light; When monitoring device and outer computer communication failure, single-chip microcomputer STM32F103RB can, by digital output module output signal to communication failure pilot lamp, make communication failure pilot lamp light.
Advantage of the present utility model and effect are:
The utility model adopts single-chip microcomputer STM32F103RB as the core component of observation circuit, and this monitoring device not only can calculate by Real-time Collection on-site signal, and measuring accuracy is higher.
Accompanying drawing explanation
fig. 1 is the structural representation of a kind of power station coal pulverizer duty on-Line Monitor Device;
Fig. 2 is the circuit block diagram of a kind of power station coal pulverizer duty on-Line Monitor Device.
Embodiment
Below in conjunction with embodiment, the utility model is described in detail.
label declaration in Fig. 1: 1, LCD display, 2, button is started, 3, stop key, 4, exit button is set, 5, lower option tab, 6, upper option tab, 7, button is set, 8, usb communication socket, 9, working station indicator, 10, abnormal parameters pilot lamp, 11, communication failure pilot lamp, 12, monitoring device shell.
See Fig. 1, the utility model comprises: LCD display 1, start button 2, stop key 3, exit and arrange button 4, lower option tab 5, upper option tab 6, arrange button 7, usb communication socket 8, working station indicator 9, abnormal parameters pilot lamp 10, communication failure pilot lamp 11, monitoring device shell 12.
See Fig. 2, observation circuit in the utility model measurement mechanism shell comprises: pulverizer outlet temperature sensor, differential pressure pick-up imported and exported by coal pulverizer, coal pulverizer current sensor, primary air fan current sensor, mill sealing air and First air differential pressure pick-up, motor of coal crusher bearing temperature sensor, coal pulverizer inlet First air temperature sensor, coal pulverizer inlet primary air pressure force snesor, coal pulverizer outlet wind pressure sensor, pulverizer' s primary air flow sensor, coal pulverizer gear tank oil temperature sensor, coal pulverizer thrust bearing fuel tank temperature sensor, coal pulverizer becomes on-load pressure sensor, motor of coal crusher iron core temperature sensor, coal pulverizer hydraulic oil unit fuel tank temperature sensor, signal amplification forms with isolation module and Single Chip Microcomputer (SCM) system module.Described Single Chip Microcomputer (SCM) system module comprises: the amplification of single-chip microcomputer STM32F103RB, power module, analog-to-digital conversion module, digital quantity input module, digital output module, memory module, usb communication interface module, LCD display module, signal forms with isolation module and Single Chip Microcomputer (SCM) system module.Described Single Chip Microcomputer (SCM) system module comprises: single-chip microcomputer STM32F103RB, power module, analog-to-digital conversion module, digital quantity input module, digital output module, memory module, usb communication interface module, LCD display module.
Pulverizer outlet temperature sensor, coal pulverizer import and export differential pressure pick-up, coal pulverizer current sensor, primary air fan current sensor, mill sealing air and First air differential pressure pick-up, motor of coal crusher bearing temperature sensor, coal pulverizer inlet First air temperature sensor, coal pulverizer inlet primary air pressure force snesor, coal pulverizer export wind pressure sensor, pulverizer' s primary air flow sensor,
Coal pulverizer gear tank oil temperature sensor, coal pulverizer thrust bearing fuel tank temperature sensor, coal pulverizer becomes on-load pressure sensor, motor of coal crusher iron core temperature sensor, coal pulverizer hydraulic oil unit fuel tank temperature sensor is respectively by collected on-the-spot pulverizer outlet temperature signal, differential pressure signal imported and exported by coal pulverizer, coal pulverizer current signal, primary air fan current signal, mill sealing air and First air differential pressure signal, motor of coal crusher bearing temperature signal, coal pulverizer inlet First air temperature signal, coal pulverizer inlet primary air pressure force signal, coal pulverizer outlet wind pressure signal, pulverizer' s primary air flow signal, coal pulverizer gear tank oil temperature signal, coal pulverizer thrust bearing fuel tank temperature signal, coal pulverizer becomes on-load pressure signal, motor of coal crusher iron core temperature signal, coal pulverizer hydraulic oil unit fuel tank temperature signal amplifies through signal and carries out signal amplification with isolation module, analog-to-digital conversion module is sent to carry out analog to digital conversion after light/electric isolution process, the pulverizer outlet temperature data obtained after conversion, differential pressure data imported and exported by coal pulverizer, coal pulverizer current data, primary air fan current data, mill sealing air and First air differential pressure data, motor of coal crusher bearing temperature data, coal pulverizer inlet First air temperature data, coal pulverizer inlet primary air pressure force data, coal pulverizer outlet wind pressure data, pulverizer' s primary air flow data, coal pulverizer gear tank oil temperature data, coal pulverizer thrust bearing fuel tank temperature data, coal pulverizer becomes on-load pressure data, motor of coal crusher iron core temperature data, coal pulverizer hydraulic oil unit fuel tank temperature data is sent into single-chip microcomputer STM32F103RB through bus and is carried out analyzing and processing, obtains coal pulverizer operating state data.Coal pulverizer operating state data send outside memory module storage by single-chip microcomputer STM32F103RB, is also shown in LCD display 1 by LCD display module.Single-chip microcomputer STM32F103RB, by described communication interface modules, can be connected with outer computer through usb communication socket 8, realizes the communication of this monitoring device and outer computer.Startup button 2 on monitoring device shell 12, stop key 3, exit and button 4 is set, lower option tab 5, upper option tab 6, arrange button 7 to be connected with digital quantity input module respectively by signal wire, described digital quantity input module receives described startup button 2, stop key 3, exit and button 4 is set, lower option tab 5, upper option tab 6, the key information of button 7 is set and by bus, described key information is sent to single-chip microcomputer STM32F103RB, realize the startup of monitoring device, stop, pattern of deactivating is arranged, select the next item down mode of operation, select the next item up mode of operation, the execution that mode of operation is arranged.Described digital output module is connected with working station indicator 9, abnormal parameters pilot lamp 10, communication failure pilot lamp 11 by signal wire, when monitoring device operation irregularity, single-chip microcomputer STM32F103RB can, by described digital output module output signal to working station indicator 9, make working station indicator 9 light; When the coal pulverizer operating state data that monitoring device collects is abnormal, single-chip microcomputer STM32F103RB can, by described digital output module output signal to abnormal parameters pilot lamp 10, make abnormal parameters pilot lamp 10 light; When monitoring device and outer computer communication failure, single-chip microcomputer STM32F103RB can, by digital output module output signal to communication failure pilot lamp 11, make communication failure pilot lamp 11 light.
Claims (3)
1. a power station coal pulverizer duty on-Line Monitor Device, it is characterized in that, described device comprises monitoring device and observation circuit, a side of monitoring device shell is equipped with LCD display, starts button, stops key, exits and arrange button, lower option tab, upper option tab, arrange button, usb communication socket, working station indicator, abnormal parameters pilot lamp, communication failure pilot lamp, observation circuit in monitoring device shell is by pulverizer outlet temperature sensor, differential pressure pick-up imported and exported by coal pulverizer, coal pulverizer current sensor, primary air fan current sensor, mill sealing air and First air differential pressure pick-up, motor of coal crusher bearing temperature sensor, coal pulverizer inlet First air temperature sensor, coal pulverizer inlet primary air pressure force snesor, coal pulverizer outlet wind pressure sensor, pulverizer' s primary air flow sensor, coal pulverizer gear tank oil temperature sensor, coal pulverizer thrust bearing fuel tank temperature sensor, coal pulverizer becomes on-load pressure sensor, motor of coal crusher iron core temperature sensor, coal pulverizer hydraulic oil unit fuel tank temperature sensor, signal amplification forms with isolation module and Single Chip Microcomputer (SCM) system module, Single Chip Microcomputer (SCM) system module comprises: single-chip microcomputer, power module, analog-to-digital conversion module, digital quantity input module, digital output module, memory module, usb communication interface module, LCD display module, pulverizer outlet temperature sensor, differential pressure pick-up imported and exported by coal pulverizer, coal pulverizer current sensor, primary air fan current sensor, mill sealing air and First air differential pressure pick-up, motor of coal crusher bearing temperature sensor, coal pulverizer inlet First air temperature sensor, coal pulverizer inlet primary air pressure force snesor, coal pulverizer outlet wind pressure sensor, pulverizer' s primary air flow sensor, coal pulverizer gear tank oil temperature sensor, coal pulverizer thrust bearing fuel tank temperature sensor, coal pulverizer becomes on-load pressure sensor, motor of coal crusher iron core temperature sensor, coal pulverizer hydraulic oil unit fuel tank temperature sensor to amplify with signal respectively by signal wire and is connected with isolation module.
2. a kind of power station according to claim 1 coal pulverizer duty on-Line Monitor Device, is characterized in that, described signal amplification is connected with analog-to-digital conversion module by signal wire with isolation module; Analog-to-digital conversion module is connected with single-chip microcomputer STM32F103RB by bus; Digital quantity input module, digital output module, usb communication interface module, memory module are connected with single-chip microcomputer STM32F103RB respectively by bus with LCD display module; Power module is connected with LCD display module with analog-to-digital conversion module, digital quantity input module, digital output module, usb communication interface module, memory module respectively by power lead.
3. a kind of power station according to claim 1 coal pulverizer duty on-Line Monitor Device, it is characterized in that, described LCD display module is connected with the LCD display on monitoring device shell by signal wire; Described usb communication interface module can be communicated with outer computer by the usb communication socket on monitoring device shell; Startup button on monitoring device shell, stop key, exit and button, lower option tab, upper option tab are set, button is set is connected with digital quantity input module respectively by signal wire; Digital output module is connected with the working station indicator on monitoring device shell, abnormal parameters pilot lamp, communication failure pilot lamp respectively by signal wire.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520044203.0U CN204388908U (en) | 2015-01-22 | 2015-01-22 | A kind of power station coal pulverizer duty on-Line Monitor Device |
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| CN201520044203.0U CN204388908U (en) | 2015-01-22 | 2015-01-22 | A kind of power station coal pulverizer duty on-Line Monitor Device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571652A (en) * | 2015-12-15 | 2016-05-11 | 中国华能集团清洁能源技术研究院有限公司 | Indirect boiler air volume measuring method based on air volume cold-state calibration |
| CN106594793A (en) * | 2016-11-22 | 2017-04-26 | 国网辽宁省电力有限公司电力科学研究院 | Outlet temperature control optimizing method of medium-speed coal pulverizer of thermal power generating unit |
| CN106994386A (en) * | 2017-05-08 | 2017-08-01 | 山东中实易通集团有限公司 | The early warning of medium-speed pulverizer chute blockage and automatic processing device and method |
| CN111135944A (en) * | 2019-12-06 | 2020-05-12 | 华北电力科学研究院有限责任公司 | Method and system for determining coal blockage of coal mill of power station boiler |
-
2015
- 2015-01-22 CN CN201520044203.0U patent/CN204388908U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571652A (en) * | 2015-12-15 | 2016-05-11 | 中国华能集团清洁能源技术研究院有限公司 | Indirect boiler air volume measuring method based on air volume cold-state calibration |
| CN106594793A (en) * | 2016-11-22 | 2017-04-26 | 国网辽宁省电力有限公司电力科学研究院 | Outlet temperature control optimizing method of medium-speed coal pulverizer of thermal power generating unit |
| CN106594793B (en) * | 2016-11-22 | 2018-10-19 | 国网辽宁省电力有限公司电力科学研究院 | Fired power generating unit medium-speed pulverizer outlet temperature controls optimization method |
| CN106994386A (en) * | 2017-05-08 | 2017-08-01 | 山东中实易通集团有限公司 | The early warning of medium-speed pulverizer chute blockage and automatic processing device and method |
| CN111135944A (en) * | 2019-12-06 | 2020-05-12 | 华北电力科学研究院有限责任公司 | Method and system for determining coal blockage of coal mill of power station boiler |
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Granted publication date: 20150610 Termination date: 20160122 |
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