CN102050313A - Temperature detection device for electric wire type in-situ bus coal conveyor belt motor - Google Patents
Temperature detection device for electric wire type in-situ bus coal conveyor belt motor Download PDFInfo
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- CN102050313A CN102050313A CN2009102185410A CN200910218541A CN102050313A CN 102050313 A CN102050313 A CN 102050313A CN 2009102185410 A CN2009102185410 A CN 2009102185410A CN 200910218541 A CN200910218541 A CN 200910218541A CN 102050313 A CN102050313 A CN 102050313A
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- temperature detecting
- belt motor
- master control
- temperature detection
- conveyer belt
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses a temperature detection device for an electric wire type in-situ bus coal conveyor belt motor, which comprises temperature detection units for detecting the temperature of the coal conveyor belt motor in real-time, a remote signal transmission system for transmitting a temperature signal detected by the temperature detection units to a master PLC (Programmable Logic Controller) control system, and a power supply system connected with the temperature detection unit and used for supplying power to the temperature detection unit; the remote signal transmission system comprises a master control device, a slave control device and cables, the master PLC control system is connected with the master control device in a manner of communication or hard wiring, and the master control device is connected with a plurality of temperature detection units via the slave control device and the cables. The temperature detection device of the invention has the advantages of being low in investment and operating cost, simple and convenient in installation and maintenance and stable in signal transmission performance, and can solve the problems of complex wiring, quite long distance of prearranged cables, large difficulty of in-situ construction and the like in traditional temperature detection devices for belt motor.
Description
Technical field
The present invention relates to a kind of motor temperature detecting device, especially relate to a kind of electric wireline formula fieldbus coal conveyer belt motor temperature detecting device.
Background technology
At present, the coal conveyer belt One's name is legion in thermal powerplant fortune coal measures system, and on every belt one or more driving motor is installed all.There are multiple practical problemss such as the control cable consumption is big, wiring is loaded down with trivial details, default cable distance is far away, one-time investment expense height, the construction period is long, the site operation difficulty is big, system's operating maintenance difficulty is big, system for field forceful electric power interference problem is serious in the method for inspection that tradition detects above-mentioned coal conveyer belt motor temperature.
Summary of the invention
Technical matters to be solved by this invention is at above-mentioned deficiency of the prior art, a kind of electric wireline formula fieldbus coal conveyer belt motor temperature detecting device is provided, its equipment investment and operating cost are low, installation and maintenance are easy, signal transmission performance is stable, can solve problems such as loaded down with trivial details, the default cable distance of the wiring that has the existence of belt motor temperature detecting device now is far away, the site operation difficulty is big.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of electric wireline formula fieldbus coal conveyer belt motor temperature detecting device is characterized in that: the power supply system that comprises temperature detecting unit that the temperature to the coal conveyer belt electrical motor detects in real time, temperature detecting unit institute detected temperatures signal is sent to the distant signal transmission system of main PLC control system and joins with temperature detecting unit and temperature detecting unit is powered; Described distant signal transmission system comprises distributed control device, master control set and cable, be connected with communication modes or hardwire mode between main PLC control system and master control set, master control set joins by cable and distributed control device and distributed control device and temperature detecting unit join.
Described temperature detecting unit comprises temperature sensor, join with temperature sensor and to temperature sensor institute detection signal carry out analog-to-digital A/D converter, the MCU treater that joins with A/D converter and the I/O communication interface of joining with the MCU treater; Described temperature detecting unit joins by I/O communication interface and cable and master control set.
Be connected with communication modes between described main PLC control system and master control set, and the two connects by the third party device interface module.
Described master control set and third party device interface module all are arranged in the distant station.
Be connected by terminal row between described master control set and cable.
The quantity of described master control set is one or more.
Described power supply system is installed in the distant station, and power supply system is powered to each temperature detecting unit respectively by cable.
Also comprise the Liquid Crystal Display (LCD) that joins with the MCU treater.
The present invention compared with prior art has the following advantages:
1, power line carrier technology is combined with field bus technique, can effectively solve thermal powerplant fortune coal belt motor temperature and detect practical problemss such as loaded down with trivial details, the default cable distance of existing wiring is far away, the site operation difficulty is big.
2, its electric wireline formula fieldbus adopts main control unit and the signal transfer bus of cable, be connected successively with the program control chamber of upper computer host CPU, telecommunication module (or exchange) and the next temperature detecting unit, be implemented in the real-time monitoring of a distant place each bar fortune coal belt motor temperature.
3, speed of response is fast, and the speed of response of single temperature detecting unit is below 2S.
4, communication distance is far away, and theoretical can reach 30km, is not subjected to the restriction of factory's actual distance in engineering is used.
5 is widely applicable, not only applicable to electric power, electron trade automation control area, can open up in the automation control system of multiple industry equipment such as extensively applying to manufacture, metallurgy, petrochemical industry, logistics.
6, serviceability is more reliable, program control indoor employing upper computer and Programmable Logic Controller are controlled jointly, under the situation that upper computer can't normally move, the host CPU of Programmable Logic Controller can independently be controlled The whole control system and normally move, and has realized that simultaneously master control set and Programmable Logic Controller promptly transport the seamless link between the coal automation system.
7, adopt the electric wireline field bus technique, control signal transmits with carrier system, have only with signal frequently and just can cause interference system, thereby this interference can be predicted and be eliminated by various measures, improve the antijamming capability of system thus greatly, the unfavorable situations such as interrupted, transmission delay of signal can not occur.
9, convenient according to field wiring, simple installation, raise labour efficiency greatly and application mode flexible.
In a word, reliability of the present invention, ageing, demand that advance satisfies power plant's overall operation, because its signal transmission bus can be shared with power lead, therefore almost do not increase the cable consumption, thereby make field wiring very succinct, saved a large amount of cables, difficulty of construction greatly lowers, saved human resources, and this device there is extremely strong antijamming capability, is particularly suitable for the industrial occasions of circumstance complication.Application of the present invention has guaranteed the safety of heavy-duty motor operation largely, the temperature detection that can be widely used in various heavy-duty motors, for power plant has saved investment greatly, manpower, with the simplest, convenient and economic means have realized the automatic demonstration of coal conveyer belt motor temperature testing result on the upper computer picture of the defeated program control chamber of coal, the work capacity that alleviates the operations staff is had great significance and acts on, it is time saving and energy saving to safeguard, simple, system response speed is fast and flexible with defeated coal programmable interface mode, in a word, good economic benefit and social benefit have been obtained.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is a fundamental diagram of the present invention.
Fig. 2 is the schematic block circuit diagram of temperature detecting unit of the present invention.
Description of reference numerals:
The 1-temperature detecting unit; The 1-1-temperature sensor; The 1-2-A/D conv;
The 1-3-MCU treater; The 1-4-I/O communication interface; The 1-5-Liquid Crystal Display (LCD);
2-master PLC control system; The 3-master control set; The 4-cable;
5-third party device interface module; The 6-distant station; The 7-terminal row;
The 8-power supply system; The 9-power module; The 10-distributed control device.
The specific embodiment
As shown in Figure 1, the power supply system 8 that the present invention includes temperature detecting unit 1 that the temperature to the coal conveyer belt electrical motor detects in real time, 1 detected temperatures signal of temperature detecting unit is sent to the distant signal transmission system of main PLC control system 2 and joins with temperature detecting unit 1 and temperature detecting unit 1 is powered.Described distant signal transmission system comprises distributed control device 10, master control set 3 and cable 4,3 of main PLC control system 2 and master control sets are connected with communication modes or hardwire mode, and master control set 3 joins by cable 4 and distributed control device 10 and distributed control device 10 joins with temperature detecting unit 1.
In conjunction with Fig. 2, described temperature detecting unit 1 comprises temperature sensor 1-1, join with temperature sensor 1-1 and to temperature sensor 1-1 institute detection signal carry out analog-to-digital A/D converter 1-2, the MCU treater 1-3 that joins with A/D converter 1-2 and the I/O communication interface 1-4 that joins with MCU treater 1-3.Described temperature detecting unit 1 joins with master control set 3 by I/O communication interface 1-4 and cable 4.Simultaneously, also comprise the Liquid Crystal Display (LCD) 1-5 that joins with MCU treater 1-3.
In the present embodiment, described main PLC control system 2 is connected with communication modes with 3 of master control sets, and the two connects by third party device interface module 5, and described third party device interface module 5 is powered by power module 9.Described master control set 3 all is arranged in the distant station 6 with third party device interface module 5, and the hardware connection point between promptly main PLC control system 2 and the master control set 3 is distributed in the distant station 6, and 4 on master control set 3 and cable are connected by terminal row 7.The quantity of described master control set 3 is one or more.Described power supply system 8 is installed in the distant station 6, and power supply system 8 is powered to each temperature detecting unit 1 respectively by cable 4.Described cable 4 is KVV or VV type cable.
To sum up, a plurality of temperature detecting units 1 are sent to main PLC control system 2 with the temperature signal that it is gathered in real time by distributed control device 10, master control set 3 and cable 4 respectively.Simultaneously, be provided with the wave arrestment device in master control set 3 and the distributed control device 10, the effect of this wave arrestment device is high-frequency signal in the control system and ambient systems isolated, in order to avoid system impacts and disturbs to external world.Concrete working process of the present invention is: a plurality of temperature detecting units 1 are uploaded to master control set 3 with its temperature signal of gathering in real time by distributed control device 10 and cable 4, then be uploaded to the host CPU of program control indoor main PLC control system 2 again by master control set 3 synchronously, thereby be implemented on the upper computer picture of program control chamber real-time monitoring each coal conveyer belt motor temperature.
The above; it only is preferred embodiment of the present invention; be not that the present invention is imposed any restrictions, everyly any simple modification that above embodiment did, change and equivalent structure changed, all still belong in the protection domain of technical solution of the present invention according to the technology of the present invention essence.
Claims (8)
1. electric wireline formula fieldbus coal conveyer belt motor temperature detecting device is characterized in that: the power supply system (8) that comprises temperature detecting unit (1) that the temperature to the coal conveyer belt electrical motor detects in real time, temperature detecting unit (1) institute detected temperatures signal is sent to the distant signal transmission system of main PLC control system (2) and joins with temperature detecting unit (1) and temperature detecting unit (1) is powered; Described distant signal transmission system comprises distributed control device (10), master control set (3) and cable (4), be connected with communication modes or hardwire mode between main PLC control system (2) and master control set (3), master control set (3) joins by cable (4) and distributed control device (10) and distributed control device (10) joins with temperature detecting unit (1).
2. according to the described electric wireline formula of claim 1 fieldbus coal conveyer belt motor temperature detecting device, it is characterized in that: described temperature detecting unit (1) comprises temperature sensor (1-1), join with temperature sensor (1-1) and to temperature sensor (1-1) institute detection signal carry out analog-to-digital A/D converter (1-2), the MCU treater (1-3) that joins with A/D converter (1-2) and the I/O communication interface (1-4) of joining with MCU treater (1-3); Described temperature detecting unit (1) joins with master control set (3) by I/O communication interface (1-4) and cable (4).
3. according to claim 1 or 2 described electric wireline formula fieldbus coal conveyer belt motor temperature detecting devices, it is characterized in that: be connected with communication modes between described main PLC control system (2) and master control set (3), and the two connects by third party device interface module (5).
4. according to the described electric wireline formula of claim 3 fieldbus coal conveyer belt motor temperature detecting device, it is characterized in that: described master control set (3) all is arranged in the distant station (6) with third party device interface module (5).
5. according to claim 1 or 2 described electric wireline formula fieldbus coal conveyer belt motor temperature detecting devices, it is characterized in that: be connected by terminal row (7) between described master control set (3) and cable (4).
6. according to claim 1 or 2 described electric wireline formula fieldbus coal conveyer belt motor temperature detecting devices, it is characterized in that: the quantity of described master control set (3) is one or more.
7. according to the described electric wireline formula of claim 4 fieldbus coal conveyer belt motor temperature detecting device, it is characterized in that: described power supply system (8) is installed in the distant station (6), and power supply system (8) is powered to each temperature detecting unit (1) respectively by cable (4).
8. according to the described electric wireline formula of claim 2 fieldbus coal conveyer belt motor temperature detecting device, it is characterized in that: also comprise the Liquid Crystal Display (LCD) (1-5) that joins with MCU treater (1-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102185410A CN102050313A (en) | 2009-10-27 | 2009-10-27 | Temperature detection device for electric wire type in-situ bus coal conveyor belt motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102185410A CN102050313A (en) | 2009-10-27 | 2009-10-27 | Temperature detection device for electric wire type in-situ bus coal conveyor belt motor |
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| Publication Number | Publication Date |
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| CN102050313A true CN102050313A (en) | 2011-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009102185410A Pending CN102050313A (en) | 2009-10-27 | 2009-10-27 | Temperature detection device for electric wire type in-situ bus coal conveyor belt motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645921A (en) * | 2012-04-12 | 2012-08-22 | 北京航空航天大学 | Measurement and control device of nitrogen system |
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2009
- 2009-10-27 CN CN2009102185410A patent/CN102050313A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645921A (en) * | 2012-04-12 | 2012-08-22 | 北京航空航天大学 | Measurement and control device of nitrogen system |
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Application publication date: 20110511 |