CN204707067U - A kind of peripheral control system of mine-used frequency-converter - Google Patents
A kind of peripheral control system of mine-used frequency-converter Download PDFInfo
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- CN204707067U CN204707067U CN201520356636.XU CN201520356636U CN204707067U CN 204707067 U CN204707067 U CN 204707067U CN 201520356636 U CN201520356636 U CN 201520356636U CN 204707067 U CN204707067 U CN 204707067U
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Abstract
The peripheral control system of a kind of mine-used frequency-converter of the utility model, belong to the technical field of frequency converter control system, the technical problem of solution is: provide a kind of to frequency converter periphery carry out Real-Time Monitoring and reliable shutdown and facilitate user understand and operation peripheral control system; A kind of peripheral control system of mine-used frequency-converter, comprise: isolating switch QS1, major loop fuse F1, contactor KM1, inlet wire filter Z1, input reactance device L1 and out put reactor L2, described system also comprises: PLC U2, touch-screen DP1 and touch keyboard U3, first communication ends of described PLC U2 is connected with the internal control system U4 of mine-used frequency-converter U1, the second communication end of PLC U2 is connected with touch-screen DP1, and described touch-screen DP1 is also connected with touch keyboard U3; The utility model is applicable to control system.
Description
Technical field
The peripheral control system of a kind of mine-used frequency-converter of the utility model, belongs to the technical field of frequency converter control system.
Background technology
Along with the development of mining technique, frequency converter is applied on colliery gradually as a kind of power supply unit, be generally used for controlling underground belt conveyor, pumping plant, blower fan, scratch board conveyor etc., frequency converter obtains accreditation and the favorable comment of coal mine user due to advantages such as its control precision are high, energy-conservation, the core cell of mine-used frequency-converter is frequency converter core body, current mine-used frequency-converter overall structure both domestic and external generally adopts the Design Mode (as shown in Figure 1) of " simple peripheral components+frequency converter core ", there is rectifier the core body inside of mine-used frequency-converter U1, IGBT inverter and a set of internal control system U4 carried, peripheral components comprises: isolating switch QS1, major loop fuse F1, contactor KM1, inlet wire filter Z1, input reactance device L1, out put reactor L2 etc., this mode configuration is simple, whole control system places one's entire reliance upon frequency converter core body, there is following shortcoming, one, man-machine interface is fixed against the display system that frequency converter core body carries, and displaying contents is few, data are not directly perceived, interface is unfriendly, and inconvenient user understands the information of equipment, two, human-computer dialogue places one's entire reliance upon the operation keyboard that frequency converter carries, complex operation, and user can not grasp operation the short time, three, frequency converter periphery circuit is substantially without any protection, and when breaking down, system cannot be monitored and reliable shutdown, and this will cause the equipment even danger of personnel.
Utility model content
The utility model overcome prior art exist deficiency, technical problem to be solved is: provide a kind of to frequency converter periphery carry out Real-Time Monitoring and reliable shutdown and facilitate user understand and operation peripheral control system.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of peripheral control system of mine-used frequency-converter, comprise: isolating switch QS1, major loop fuse F1, contactor KM1, inlet wire filter Z1, input reactance device L1 and out put reactor L2, the inlet wire termination three-phase alternating-current supply of described isolating switch QS1, the leading-out terminal of described isolating switch QS1 is connected in series major loop fuse F1 successively, the normally opened contact KM1.1 of contactor KM1, inlet wire filter Z1 is connected with the input of rectifier in mine-used frequency-converter U1 with after input reactance device L1, the end of incoming cables of described out put reactor L2 is connected with the output of inverter in mine-used frequency-converter U1, the leading-out terminal of described out put reactor L2 is connected with the power end of load motor M1, described system also comprises: PLC U2, touch-screen DP1 and touch keyboard U3, described PLC U2 is controlled major loop fuse F1 by its first control end P1, the second control end P2, described PLC U2 is controlled contactor KM1 by its 3rd control end P3, the 4th control end P4, first communication ends of described PLC U2 is connected with the internal control system U4 of mine-used frequency-converter U1, the second communication end of described PLC U2 is connected with touch-screen DP1, and described touch-screen DP1 is also connected with touch keyboard U3.
The first control end P1 of described PLC U2, second control end P2 is connected with the two ends of the metal bath Ff1 of major loop fuse F1 respectively, the 3rd control end P3 of described PLC U2, 4th control end P4 is connected with the two ends of the coil KM1.2 of contactor KM1 respectively, described touch keyboard U3 is intrinsic safety type touch keyboard, described touch-screen DP1 is 10.4 inch liquid crystal screens, described PLC U2 is communicated with the internal control system U4 of mine-used frequency-converter U1 by MODBUS agreement, described PLC U2 is communicated with touch-screen DP1 by PPI agreement, the model of described PLC U2 is S7-1200, described touch-screen DP1 is connected with touch keyboard U3 by standard USB2.0 mouth, described mine-used frequency-converter U1 is CM3000 frequency converter.
The utility model compared with prior art has following beneficial effect:
1, the peripheral control system of a kind of mine-used frequency-converter in the utility model, comprise: isolating switch QS1, major loop fuse F1, contactor KM1, inlet wire filter Z1, input reactance device L1 and out put reactor L2, the inlet wire termination three-phase alternating-current supply of described isolating switch QS1, the leading-out terminal of described isolating switch QS1 is connected in series major loop fuse F1 successively, the normally opened contact KM1.1 of contactor KM1, inlet wire filter Z1 is connected with the input of rectifier in mine-used frequency-converter U1 with after input reactance device L1, the end of incoming cables of described out put reactor L2 is connected with the output of inverter in mine-used frequency-converter U1, the leading-out terminal of described out put reactor L2 is connected with the power end of load motor M1, described system also comprises: PLC U2, touch-screen DP1 and touch keyboard U3, described PLC U2 is controlled major loop fuse F1 by its first control end P1, the second control end P2, described PLC U2 is controlled contactor KM1 by its 3rd control end P3, the 4th control end P4, first communication ends of described PLC U2 is connected with the internal control system U4 of mine-used frequency-converter U1, the second communication end of described PLC U2 is connected with touch-screen DP1, and described touch-screen DP1 is also connected with touch keyboard U3, PLC U2 can not only achieve reliable supervisory function bit to the periphery circuit of frequency converter, simultaneously by carrying out data communication with mine-used frequency-converter U1, the data of mine-used frequency-converter U1 are sent to touch-screen DP1, allow user can Information directly perceived, adopt the internal control system U4 of mine-used frequency-converter U1 easily, user can be realized the control of whole frequency conversion equipment as inquiry by shirtsleeve operation, setting, reset, PLC U2 can also to ancillary equipment as contactor KM1 simultaneously, major loop fuse F1 etc. carries out monitoring and controlling, once break down, whole system energy reliable shutdown can be ensured, achieve whole system stable and reliable for performance, user interface is friendly directly perceived, operating function succinctly facilitates.
2, the system in the utility model also comprises touch keyboard U3 and touch-screen DP1, and described touch keyboard U3 is intrinsic safety type touch keyboard, and this equipment not only can touch operation, has numerical key input function simultaneously, is connected by the USB port of standard with touch-screen; Can carry out working page switching very easily, setting parameter by this equipment user, historical failure is inquired about, the operations such as system reset; Described touch-screen DP1 is 10.4 inch liquid crystal screens, and full Chinese display, intuitively can show the state of frequency converter internal-external, parameter information, fault message.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in more detail;
Fig. 1 is prior art circuits structural representation;
Fig. 2 is the utility model electrical block diagram.
Embodiment
As shown in Figure 2, a kind of peripheral control system of mine-used frequency-converter, comprise: isolating switch QS1, major loop fuse F1, contactor KM1, inlet wire filter Z1, input reactance device L1 and out put reactor L2, the inlet wire termination three-phase alternating-current supply of described isolating switch QS1, the leading-out terminal of described isolating switch QS1 is connected in series major loop fuse F1 successively, the normally opened contact KM1.1 of contactor KM1, inlet wire filter Z1 is connected with the input of rectifier in mine-used frequency-converter U1 with after input reactance device L1, the end of incoming cables of described out put reactor L2 is connected with the output of inverter in mine-used frequency-converter U1, the leading-out terminal of described out put reactor L2 is connected with the power end of load motor M1, described system also comprises: PLC U2, touch-screen DP1 and touch keyboard U3, reliable supervisory function bit can not only be achieved to the periphery circuit of frequency converter by increasing PLC U2, simultaneously by with mine-used frequency-converter U1 data communication, the data of frequency converter core body are sent to touch-screen, allow user can intuitively PLC U2 described in Information by its first control end P1, second control end P2 controls major loop fuse F1, described PLC U2 is by its 3rd control end P3, 4th control end P4 controls contactor KM1, first communication ends of described PLC U2 is connected with the internal control system U4 of mine-used frequency-converter U1, user can be realized the control of whole frequency conversion equipment as inquiry by the internal control system U4 of mine-used frequency-converter U1, setting, reset, the second communication end of described PLC U2 is connected with touch-screen DP1, described touch-screen DP1 is also connected with touch keyboard U3, PLC U2 reads all kinds of operational data as operating current as main website from as the mine-used frequency-converter U1 of slave station, frequency, moment, rotating speed etc., and setup parameter can be write in mine-used frequency-converter U1 in the past, as the parameter of load motor, Acceleration and deceleration time parameter etc., simultaneously mine-used frequency-converter U1 can also to major loop fuse F1, the contactor KM1 in ancillary equipment, carry out monitoring and controlling, once break down, ensure whole system energy reliable shutdown.
The first control end P1 of described PLC U2, second control end P2 is connected with the two ends of the metal bath Ff1 of major loop fuse F1 respectively, the 3rd control end P3 of described PLC U2, 4th control end P4 is connected with the two ends of the coil KM1.2 of contactor KM1 respectively, described touch keyboard U3 is that intrinsic safety type touches, this keyboard not only can touch operation, there is numerical key input function simultaneously, be connected with touch-screen by the USB port of standard, working page switching can be carried out very easily by this equipment user, setting parameter, historical failure is inquired about, the operations such as system reset, described touch-screen DP1 is 10.4 inch liquid crystal screens, full Chinese display, can to the state of frequency converter internal-external, parameter information, fault message shows intuitively, described PLC U2 is communicated with the internal control system U4 of mine-used frequency-converter U1 by MODBUS agreement, user can realize inquiring about the control of whole frequency conversion equipment by shirtsleeve operation, setting, reset, described PLC U2 is communicated with touch-screen DP1 by PPI agreement, the model of described PLC U2 is S7-1200, described touch-screen DP1 is connected with touch keyboard U3 by standard USB2.0 mouth, described mine-used frequency-converter U1 is CM3000 frequency converter.
The utility model provides a kind of peripheral control system of mine-used frequency-converter, native system is by PLC U2, touch-screen DP1 and touch keyboard U3, monitoring and controlling can be carried out to ancillary equipment, system energy reliable shutdown when breaking down, and this system user interface is friendly directly perceived, operating function succinctly facilitates, and has substantive distinguishing features and progress; By reference to the accompanying drawings embodiments of the invention are explained in detail above, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from present inventive concept.
Claims (9)
1. the peripheral control system of a mine-used frequency-converter, comprise: isolating switch QS1, major loop fuse F1, contactor KM1, inlet wire filter Z1, input reactance device L1 and out put reactor L2, the inlet wire termination three-phase alternating-current supply of described isolating switch QS1, the leading-out terminal of described isolating switch QS1 is connected in series major loop fuse F1 successively, the normally opened contact KM1.1 of contactor KM1, inlet wire filter Z1 is connected with the input of rectifier in mine-used frequency-converter U1 with after input reactance device L1, the end of incoming cables of described out put reactor L2 is connected with the output of inverter in mine-used frequency-converter U1, the leading-out terminal of described out put reactor L2 is connected with the power end of load motor M1,
It is characterized in that: described system also comprises: PLC U2, touch-screen DP1 and touch keyboard U3, described PLC U2 is controlled major loop fuse F1 by its first control end P1, the second control end P2, described PLC U2 is controlled contactor KM1 by its 3rd control end P3, the 4th control end P4, first communication ends of described PLC U2 is connected with the internal control system U4 of mine-used frequency-converter U1, the second communication end of described PLC U2 is connected with touch-screen DP1, and described touch-screen DP1 is also connected with touch keyboard U3.
2. the peripheral control system of a kind of mine-used frequency-converter according to claim 1, it is characterized in that: the first control end P1, the second control end P2 of described PLC U2 are connected with the two ends of the metal bath Ff1 of major loop fuse F1 respectively, the 3rd control end P3, the 4th control end P4 of described PLC U2 are connected with the two ends of the coil KM1.2 of contactor KM1 respectively.
3. the peripheral control system of a kind of mine-used frequency-converter according to claim 1, is characterized in that: described touch keyboard U3 is intrinsic safety type touch keyboard.
4. the peripheral control system of a kind of mine-used frequency-converter according to claim 1, is characterized in that: described touch-screen DP1 is 10.4 inch liquid crystal screens.
5. the peripheral control system of a kind of mine-used frequency-converter according to claim 1, is characterized in that: described PLC U2 is communicated with the internal control system U4 of mine-used frequency-converter U1 by MODBUS agreement.
6. the peripheral control system of a kind of mine-used frequency-converter according to claim 1, is characterized in that: described PLC U2 is communicated with touch-screen DP1 by PPI agreement.
7. the peripheral control system of a kind of mine-used frequency-converter according to claim 1, is characterized in that: the model of described PLC U2 is S7-1200.
8. the peripheral control system of a kind of mine-used frequency-converter according to claim 1, is characterized in that: described touch-screen DP1 is connected with touch keyboard U3 by standard USB2.0 mouth.
9. the peripheral control system of a kind of mine-used frequency-converter according to claim 1, is characterized in that: described mine-used frequency-converter U1 is CM3000 frequency converter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520356636.XU CN204707067U (en) | 2015-05-29 | 2015-05-29 | A kind of peripheral control system of mine-used frequency-converter |
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| CN201520356636.XU CN204707067U (en) | 2015-05-29 | 2015-05-29 | A kind of peripheral control system of mine-used frequency-converter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104967390A (en) * | 2015-05-29 | 2015-10-07 | 山西际安电气有限公司 | Mining frequency converter peripheral control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104967390A (en) * | 2015-05-29 | 2015-10-07 | 山西际安电气有限公司 | Mining frequency converter peripheral control system |
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