CN203889822U - Control system of mine hoist - Google Patents
Control system of mine hoist Download PDFInfo
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- CN203889822U CN203889822U CN201420154477.0U CN201420154477U CN203889822U CN 203889822 U CN203889822 U CN 203889822U CN 201420154477 U CN201420154477 U CN 201420154477U CN 203889822 U CN203889822 U CN 203889822U
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Abstract
The utility model relates to a control system, in particular to the control system of a mine hoist. The control system comprises a hoist control device, a wellhead control device and a downhole control device, wherein the hoist control device, the wellhead control device and the downhole control device are in communication connection, the hoist control device comprises a frequency conversion cabinet, an operating platform and an external sensor, the frequency conversion cabinet, the operating platform and the external sensor are in communication connection, the frequency conversion cabinet comprises a frequency converter, the operating platform comprises a main PLC (Programmable Logic Controller) and an auxiliary PLC, the main PLC and the auxiliary PLC are in communication connection, and the external sensor comprises a high-speed shaft photoelectric encoder and a low-speed shaft photoelectric encoder. The control system of the mine hoist, disclosed by the utility model, has the beneficial effects that the hoist control device, the wellhead control device and the downhole control device are designed by being used as a whole, the independent and complete control system is formed, thus the organic combination of all functions in the control system is realized, the full-automatic running of the mine hoist is realized, and the mine hoisting safety coefficient and the running efficiency are effectively increased.
Description
Technical field
The utility model relates to control system, relates in particular to mining elevator system.
Background technology
Mining elevator (lower abbreviation gig) is that mine mainly produces corollary equipment, is undertaking the lifting tasks such as mine mineral, material, equipment and personnel, and it turns round safely and reliably, is that guarantee mine is produced the basis of normally carrying out.Gig comprises mechanics and electric control system, and the height of its electric control system degree of automation is determining the height of its technical merit, is also the Main Basis of weighing mine hoist safety reliability.Early stage gig adopts traditional relay control system mostly, and its degree of automation is low, and fault rate is high, and serviceability is poor.In recent years, along with industrial automatic control technology is the applying of mine, hoister control system adopted " PLC+ variable frequency control " technology mostly.Had at present quite a few mine that old-fashioned past hoist control system is renovated, the gentle reliability of its Automated water has obtained larger raising." PLC+ variable frequency control " although hoister control system representing at present advanced technical merit, but because of the difference of technology level of each producer larger, country does not formulate concrete standard yet to this, use product engineering level and difference in quality very large at present, and having problem or the deficiency of following general character:
The one, control system degree of automation is not high.Most gig is still manually to control, and some more advanced control system also only can be accomplished " S. A. " control;
The 2nd, level of integrated system is not high.Mine hoisting control system is containing hoister control system, hole top signal and behaviour's vehicle control, shaft bottom signal and behaviour's truck system.Due to the technical reason that can not make overall plans of current device fabrication producer, product in field application is that three parts are independent separately mostly, have a style of one's own, this just makes it in control function, can not unify to coordinate, and this is the major obstacle that past elevator system realizes automation.
Utility model content
The purpose of this utility model is to realize mining elevator fully automatic operation.
The technological means that the utility model adopts is, comprise control device of hoister, control head and shaft bottom control setup, control device of hoister, control head and the communication connection of shaft bottom control setup, control device of hoister comprises frequency conversion tank, operator's station and external sensor, described frequency conversion tank, operator's station and external sensor communication connection, frequency conversion tank comprises frequency converter, operator's station comprises main PLC and auxiliary PLC, between main PLC and auxiliary PLC, communicate to connect, external sensor comprises high speed shaft photoelectric encoder and slow-speed shaft photoelectric encoder.Its beneficial effect is, control device of hoister, control head and shaft bottom control setup are done to as a whole design, form the control system of an independent completion, thereby realizing each function in system organically combines, realize gig fully automatic operation, effectively improved mine hoisting safety factor and operating efficiency.
In some embodiments, control device of hoister also comprises upper computer, upper computer and operator's station communication connection.Its beneficial effect is to realize the remote monitor and control to gig operation conditions by upper computer.
In some embodiments, control head, is provided with primary importance sensor, second place sensor and position-sensing switch, primary importance sensor, second place sensor and position-sensing switch communication connection.Its beneficial effect is, sends induced signal by primary importance sensor, second place sensor, and position-sensing switch receives induced signal and makes brake for elevator, plays the effect of the automatic location to well head cage.
In some embodiments, shaft bottom control setup, is provided with the 3rd position transduser, the 4th position transduser and travel switch, the 3rd position transduser, the 4th position transduser and travel switch communication connection.Its beneficial effect is, by being provided with the 3rd position transduser, the 4th position transduser sends induced signal, travel switch receives induced signal and makes brake for elevator, plays the effect of the automatic location to shaft bottom cage.
In some embodiments, operator's station is provided with change-over swith, and change-over swith is divided into third gear, is respectively automatic mode, manual mode and contingency mode.Its beneficial effect is, can mining elevator be switched to automatically respectively, manually and emergently promote three kinds of master modes by the change-over swith on gig operator's station, ensure that gig under any circumstance all can normal hoisting, play the reliability that improves control system, ensure the effect of mine normal production.
In some embodiments, control device of hoister, control head and shaft bottom control setup are equipped with emergency stop push button.Its beneficial effect is, directly makes gig automatic emergency stop by emergency stop push button, plays and ensures safe effect.
Brief description of the drawings
Fig. 1 is the structured flowchart of the mining elevator control system of the utility model one embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 has schematically shown the mining elevator control system according to a kind of embodiment of the present utility model, comprise control device of hoister 1, control head 2 and shaft bottom control setup 3, control device of hoister 1, control head 2 and shaft bottom control setup 3 communicate to connect, control device of hoister 1 mainly comprises frequency conversion tank 11, operator's station 12 and external sensor 13, frequency conversion tank 11, operator's station 12 and outer sensor 13 communicate to connect, frequency conversion tank 11 mainly comprises frequency converter 111, operator's station 12 mainly comprises main PLC121 and auxiliary PLC122, between main PLC121 and auxiliary PLC122, communicate to connect, external sensor 13 mainly comprises high speed shaft photoelectric encoder 131 and slow-speed shaft photoelectric encoder 132.
PLC has the intelligent function of controlling, and the various signals that receive are carried out to digitalisation conversion, carries out logic and digital operation processing, and export control signal according to program, controls each power element action, makes gig realize Digital Control and fully automatic operation.Be provided with a PLC25 at control head 2, in shaft bottom control setup 3, be provided with the 2nd PLC34, for processing such as transmission, reception and lockings to lifting signal, people's car signal and emergency mobile forces stop signal.The one PLC25, the 2nd PLC34 and main PLC121 and auxiliary PLC122 communication connection.The process of signal send and receive is: shaft bottom signalman is by pressing the button on shaft bottom control setup 3, send corresponding lifting signal, the 2nd PLC34 that is sent to shaft bottom control setup 3 carries out locking processing, the 2nd PLC34 output signal makes the output end signal actuating of relay, output corresponding signal, by the 2nd PLC34 communications loop, transmit signals to a PLC25 of control head 2, after processing, a PLC25 exports corresponding signal, corresponding signal is transmitted to loop by plc communication, signal is transferred to the main PLC121 of control device of hoister 1.Hole top signal person counts and forwards the identical signal that sends with shaft bottom control setup 3 (same transmit loop by plc communication transmit) to winding houses according to shaft bottom signal.The main PLC121 of control device of hoister 1, receiving after two kinds of signals, compares and judges, if two kinds of signals are identical, control gig and does corresponding given way operation, otherwise, this invalidating signal.Signal " mistake is sent out " and " erroneous judgement " phenomenon to signal are avoided.
Frequency converter 111 is main power control units in mining elevator control system, it is under the control of PLC, export the power supply of various frequencies, promote owner motor and press given rotating speed and rotate thereby control, (comprise that positive power promotes and bears power lifting) meeting under the each operating mode of gig required speed and torque request.Main PLC121, auxiliary PLC122 are operator's station control core parts; wherein main PLC121 is mainly used in the control to gig operation; auxiliary PLC122 is for the monitoring to gig operation conditions; two PLC form software security loop separately, realize the dual or multiple protective to the important parameter such as Hoist Speed, position.High speed shaft photoelectric encoder 131 and slow-speed shaft photoelectric encoder 132 are installed on respectively gig motor high speed axle head and depth indicator axle head, for the measurement to lifting location and speed, the monitoring of simultaneously losing efficacy as depth indicator, code device signal is sent to main PLC121 by high speed shaft photoelectric encoder 131, slow-speed shaft photoelectric encoder 132 is sent to auxiliary PLC122 by code device signal and carries out calculation process, forms the dual monitoring to lifting location and speed.
Including control device of hoister 1, control head 2 and shaft bottom control setup 3 in same system designs, on hardware and software, each several part is closely linked, thereby form a complete system, system hardware and software are simplified, make each several part more integrated and optimize, its function is not fully exerted, and has strengthened whole system control function.Able to programme and intelligent functions and the telecommunications functions of system applies PLC, coordinate the adjustable speed function of frequency converter 111, meet the automatic control needs of the various elevator system such as vertical, inclined shaft, realize remote monitor and control and fully automatic operation to gig, cancelled personnel's operation.
Upper computer 14 is installed on centralized monitoring mine center.Monitoring and control centre personnel realize the remote monitor and control to gig operation conditions by upper computer 14.Upper computer 14 communicates to connect with operator's station 12, when needed, can carry out by upper computer 14 setting, operation and the fault handling etc. of operational factor to gig.
Be provided with primary importance sensor 21, second place sensor 22 and position-sensing switch 23 at control head 2, for the main tank and the secondary tank that rise to well head are positioned, when cage hoisting is during to well head stop position, position-sensing switch induced signal and moving, brake for elevator, the accurate location that has completed well head cage.Be provided with the 3rd position transduser 31, the 4th position transduser 32 and travel switch 33 at shaft bottom control setup 3.Be arranged on the 3rd position transduser 31, the 4th position transduser 32 in shaft bottom as the positioning signal of shaft bottom cage, when cage arrives shaft bottom stop position, travel switch 33 senses signal and moves, brake for elevator, the automatic location that has completed shaft bottom cage.This mining elevator control system is to position with the actual position of lifting container, it is a kind of form of direct location, it has eliminated the various errors that indirect addressing in the past produces, there is accurate positioning, and minimizing needs the regular trouble that artificial " contraposition " brings of carrying out at ordinary times, realize lifting container at the automatic accurate vehicle positioning stop of well head and shaft bottom, and do not need to rely on operating personal repeatedly to start gig, lifting container is positioned, particularly when vertical shaft hoisting.
Operator's station 12 is provided with change-over swith 123, and change-over swith is divided into third gear, is respectively automatic mode, manual mode and contingency mode, and gig is had automatically, manually and emergently promote three kinds of master modes, has greatly improved mine hoisting reliability.Can gig be switched to automatically respectively, manually and emergently promote three kinds of master modes by the change-over swith 123 on operator's station 12.Adopt under normal circumstances automatic control mode.In the time that autonomous cruise speed system et out of order maybe needs to carry out special lifting control, adopt manual master mode.When PLC or supporting miscellaneous part generation major failure with it, and can not repair for the moment time, can switch to emergent Lifting scheme.Above three kinds of master modes can ensure that gig under any circumstance all can normal hoisting, have greatly improved the reliability of elevator system, to ensureing that mine normal production is very favourable.
Control device of hoister 1, control head 2 and shaft bottom control setup 3 are equipped with emergency stop push button 4, for sending each horizontal emergency mobile forces stop signal.Emergency mobile forces stop signal is not limited by other, directly transmits signals to main PLC12 and controls, and no matter when presses this button and all will make gig automatically out of service immediately.
Above-described is only embodiments more of the present utility model.For the person of ordinary skill of the art, not departing under the prerequisite of the utility model creation design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (3)
1. mining elevator control system, it is characterized in that, comprise control device of hoister (1), control head (2) and shaft bottom control setup (3), described control device of hoister (1), control head (2) and shaft bottom control setup (3) communication connection, described control device of hoister (1) comprises frequency conversion tank (11), operator's station (12) and external sensor (13), described frequency conversion tank (11), operator's station (12) and external sensor (13) communication connection, described frequency conversion tank (11) comprises frequency converter (111), described operator's station (12) comprises main PLC (121) and auxiliary PLC (122), communication connection between main PLC (121) and auxiliary PLC (122), described external sensor (13) comprises high speed shaft photoelectric encoder (131) and slow-speed shaft photoelectric encoder (132),
Also comprise upper computer (14), described upper computer (14) and described operator's station (12) communication connection;
Described control head (2) is provided with primary importance sensor (21), second place sensor (22) and position-sensing switch (23), described primary importance sensor (21), second place sensor (22) and position-sensing switch (23) communication connection;
Described shaft bottom control setup (3) is provided with the 3rd position transduser (31), the 4th position transduser (32) and travel switch (33), described the 3rd position transduser (31), the 4th position transduser (32) and travel switch (33) communication connection.
2. mining elevator control system according to claim 1, is characterized in that, described operator's station (12) is provided with change-over swith (123), and described change-over swith is divided into third gear, is respectively automatic mode, manual mode and contingency mode.
3. mining elevator control system according to claim 2, it is characterized in that, described control device of hoister (1), control head (2) and shaft bottom control setup (3) are equipped with emergency stop push button (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420154477.0U CN203889822U (en) | 2014-04-01 | 2014-04-01 | Control system of mine hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420154477.0U CN203889822U (en) | 2014-04-01 | 2014-04-01 | Control system of mine hoist |
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| Publication Number | Publication Date |
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| CN203889822U true CN203889822U (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420154477.0U Expired - Fee Related CN203889822U (en) | 2014-04-01 | 2014-04-01 | Control system of mine hoist |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106744220A (en) * | 2016-12-13 | 2017-05-31 | 淮南矿业(集团)有限责任公司 | A kind of auxiliary well head grasps car signal block system |
| CN107601192A (en) * | 2017-11-03 | 2018-01-19 | 中信重工开诚智能装备有限公司 | A kind of design protection of mining elevator electric control gear |
| CN108059045A (en) * | 2018-01-11 | 2018-05-22 | 江苏师范大学 | A kind of chippy hoist gets control device and control method ready |
-
2014
- 2014-04-01 CN CN201420154477.0U patent/CN203889822U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106744220A (en) * | 2016-12-13 | 2017-05-31 | 淮南矿业(集团)有限责任公司 | A kind of auxiliary well head grasps car signal block system |
| CN107601192A (en) * | 2017-11-03 | 2018-01-19 | 中信重工开诚智能装备有限公司 | A kind of design protection of mining elevator electric control gear |
| CN108059045A (en) * | 2018-01-11 | 2018-05-22 | 江苏师范大学 | A kind of chippy hoist gets control device and control method ready |
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| 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: 20141022 Termination date: 20200401 |
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| CF01 | Termination of patent right due to non-payment of annual fee |