CN214480339U - Mining explosion-proof and intrinsic safety electromagnetic soft starter - Google Patents
Mining explosion-proof and intrinsic safety electromagnetic soft starter Download PDFInfo
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- CN214480339U CN214480339U CN202120814183.6U CN202120814183U CN214480339U CN 214480339 U CN214480339 U CN 214480339U CN 202120814183 U CN202120814183 U CN 202120814183U CN 214480339 U CN214480339 U CN 214480339U
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Abstract
The utility model discloses a mining flame proof and intrinsic safe electromagnetism soft starter, including explosion proof shell, the control unit and the start unit, the start unit be equipped with four promoter units, four promoter units are reversible start unit, illumination start unit, soft start unit and delay and directly start the unit respectively, start the unit and be connected with the control unit electricity, the control unit is connected with the display element electricity; the reversible starting unit, the illumination starting unit, the soft start starting unit and the delay straight start starting unit are respectively and electrically connected with the mining equipment through the detection unit. This technical scheme is in the same place the four subunit integration of start unit, and the start unit is equipped with including four subunits: the system comprises a reversible starting unit, an illumination starting unit, a soft start starting unit and a delay straight start starting unit; therefore, the explosion-proof switches of a plurality of mining devices can be combined together, connecting lines among the electrical devices and the size of the devices are effectively reduced, and the occupied area of the electrical devices is reduced.
Description
Technical Field
The utility model relates to a controller is a mining flame proof and this ampere of electromagnetism soft starter exactly.
Background
The starting modes of the traditional squirrel-cage asynchronous motor include direct starting or self-coupling voltage reduction starting, Y/delta conversion, reactor voltage reduction starting, edge-extending triangular voltage reduction starting and the like. In the starting modes, the starting torque is basically fixed and cannot be adjusted, secondary impact current can occur in the starting process, impact torque is applied to load machinery, and the impact torque is influenced by voltage fluctuation of a power grid. The current spike impact caused by the starting instant can impact and trip the front stage main switch (the feeder switch and the high-voltage feeder switch with the leakage protection). When the voltage of the power grid is reduced, the problems of motor stalling and the like can be caused.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a mining flame proof and this ampere of electromagnetism soft starter, this starter close capacious, and is small relatively, has reduced electrical equipment's area, has reduced the line between the electrical equipment.
In order to solve the above technical problem, the utility model discloses a following technical means:
a mining explosion-proof and intrinsic safety electromagnetic soft starter comprises an explosion-proof shell, a control unit and a starting unit, wherein the starting unit is provided with four promoter units which are respectively a reversible starting unit, an illumination starting unit, a soft start starting unit and a delay straight start starting unit, the starting unit is electrically connected with the control unit, and the control unit is electrically connected with a display unit; the reversible starting unit, the illumination starting unit, the soft start starting unit and the delay straight start starting unit are respectively and electrically connected with the mining equipment through the detection unit.
This technical scheme is in the same place the four subunit integration of start unit, and the start unit is equipped with including four subunits: the system comprises a reversible starting unit, an illumination starting unit, a soft start starting unit and a delay straight start starting unit; therefore, the explosion-proof switches of a plurality of mining devices can be combined together, connecting lines among the electrical devices and the size of the devices are effectively reduced, and the occupied area of the electrical devices is reduced.
The further preferred technical scheme is as follows:
the mining equipment comprises a main driving motor, an electric hydraulic brake, a tensioning winch and a lighting and signal circuit; the soft start starting unit is electrically connected with the main driving motor through the detection unit; the delay starting unit is electrically connected with the electric hydraulic brake through the detection unit; the reversible starting unit is electrically connected with the tensioning winch through the detection unit; the illumination starting unit is electrically connected with the illumination and signal circuit through the detection unit.
Through the arrangement, different mining equipment can be controlled by different starting units respectively.
The mining equipment comprises 2 main driving motors, 2 electric hydraulic brakes, 1 tensioning winch and a lighting and signal circuit.
Through the arrangement, 6 parts of mining equipment can be combined together for control.
The soft start unit is provided with an MX soft starter trigger plate; the delayed starting unit and the lighting starting unit are both provided with contactors, and the reversible starting unit is provided with an isolation reversing switch. Specifically, in the main loop part, one end of an MX soft starter trigger plate of the soft start unit is connected with an external power supply, and the other end of the MX soft starter trigger plate is connected with 2 main driving motors to perform soft start control on the 2 main driving motors; the delay starting unit is connected with an external power supply through one end of the contactor, and is connected with the electric hydraulic brake through the other end of the contactor, and the brake is controlled through the setting of the control unit; the reversible starting unit is connected with an external power supply through an isolation reversing switch, and the other end of the reversible starting unit is connected with a tensioning winch to control the tightness of the winch; one end of the illumination starting unit is connected with an external power supply through a contactor, and the other end of the illumination starting unit is connected with illumination, signal and other equipment of a tunnel of the belt conveyor.
The monitoring unit 2 is provided with a current transformer. Through setting up current transformer, be convenient for gather output current, through monitoring output current, discover abnormal phenomena such as overload, lacked item, the system shutdown prevents equipment damage.
The control unit 4 adopts RPC2107 type programmable PLC manufactured by Beijing blue Pufeng science and technology Limited of China.
The control unit 4 and the display unit 5 are connected through a 232 bus and interact with each other.
Through setting up the 232 bus, make things convenient for the control unit 4 to be connected and carry out data interaction with display element 5 electricity, through display element 5 display system running state, system parameter setting and show alarm information.
The control unit 4 is a blue-p-front programmable controller. The PLC of the control unit 4 is communicated with the soft starting unit through a 485 data line, and the starting and stopping control is carried out through an opening and closing point. When starting, the PLC output point is closed, starts this show board output voltage. When the trouble takes place, this show board not only returns numerical value through 485 communications, returns a switching value simultaneously, and suggestion PLC produces the trouble, reduces the trouble and does not shut down the probability. The PLC of the control unit 4 controls the on-off of the delay starting unit in the starting unit through the relay, and the delay starting is realized through the time relay in the PLC program. The PLC of the control unit 4 controls the on-off of the reversible starting unit and the lighting starting unit in the starting unit through the relay.
Drawings
Fig. 1 is a schematic diagram of the frame structure of the present invention.
Description of reference numerals: 1-mining equipment; 2-a monitoring unit; 3-a start-up unit; 4-a control unit; 5-a display unit; 6-external power supply; 7-explosion-proof shell.
Detailed Description
The present invention will be further described with reference to the following examples.
Referring to fig. 1, the utility model discloses a mining flame proof and intrinsically safe electromagnetism soft starter, which comprises an explosion proof shell 7, a control unit 4 and a starting unit 3; the starting unit 3 is provided with four starting units which are respectively a reversible starting unit 3, an illumination starting unit 3, a soft start starting unit 3 and a delay straight start starting unit 3, the starting unit 3 is electrically connected with the control unit 4, and the control unit 4 is electrically connected with the display unit 5; the reversible starting unit 3, the illumination starting unit 3, the soft start starting unit 3 and the delay straight start starting unit 3 are electrically connected with the mining equipment 1 through the detection unit.
The mining equipment 1 comprises a main driving motor, an electric hydraulic brake, a tensioning winch and a lighting and signal circuit; the soft start starting unit 3 is electrically connected with the main driving motor through a detection unit; the delay starting unit 3 is electrically connected with the electric hydraulic brake through a detection unit; the reversible starting unit 3 is electrically connected with the tensioning winch through the detection unit; the illumination starting unit 3 is electrically connected with the illumination and signal circuit through the detection unit.
Through the arrangement, different starting units 3 can be utilized to respectively control different mining devices 1.
The mining equipment 1 comprises 2 main driving motors, 2 electric hydraulic brakes, 1 tensioning winch and a lighting and signal circuit.
Through the arrangement, 6 parts of mining equipment 1 can be combined together for control.
The soft start unit 3 is provided with an MX soft starter trigger plate; the delay starting unit 3 and the lighting starting unit 3 are both provided with contactors, and the reversible starting unit 3 is provided with an isolation reversing switch. Specifically, in the main loop part, one end of an MX soft starter trigger plate of the soft start unit 3 is connected with an external power supply 6, and the other end is connected with 2 main driving motors to perform soft start control on the 2 main driving motors; the delay starting unit 3 is connected with an external power supply 6 through one end of a contactor, and is connected with an electric hydraulic brake through the other end of the contactor, and the brake is controlled through the setting of the control unit 4; the reversible starting unit 3 is connected with an external power supply 6 through an isolation reversing switch, and is connected with a tensioning winch through the other end to control the tightness of the winch; the lighting starting unit 3 is connected with an external power supply 6 through one end of the contactor, and the other end is connected with lighting, signal and other equipment of the tunnel of the belt conveyor. The monitoring unit 2 is provided with a current transformer. Through setting up current transformer, be convenient for gather output current, through monitoring output current, discover abnormal phenomena such as overload, lacked item, the system shutdown prevents equipment damage.
The control unit 4 adopts RPC2107 type programmable PLC manufactured by Beijing blue Pufeng science and technology Limited of China.
The control unit 4 and the display unit 5 are connected through a 232 bus and interact with each other.
Through setting up the 232 bus, make things convenient for the control unit 4 to be connected and carry out data interaction with display element 5 electricity, through display element 5 display system running state, system parameter setting and show alarm information.
The control unit 4 is a blue-p-front programmable controller. The PLC of the control unit 4 is communicated with the soft starting unit through a 485 data line, and the starting and stopping control is carried out through an opening and closing point. When starting, the PLC output point is closed, starts this show board output voltage. When the trouble takes place, this show board not only returns numerical value through 485 communications, returns a switching value simultaneously, and suggestion PLC produces the trouble, reduces the trouble and does not shut down the probability. The PLC of the control unit 4 controls the on-off of the delay starting unit in the starting unit through the relay, and the delay starting is realized through the time relay in the PLC program. The PLC of the control unit 4 controls the on-off of the reversible starting unit and the lighting starting unit in the starting unit through the relay.
This technical scheme is in the same place the four subunit integration of start unit, and the start unit is equipped with including four subunits: the system comprises a reversible starting unit, an illumination starting unit, a soft start starting unit and a delay straight start starting unit; therefore, the explosion-proof switches of a plurality of mining devices can be combined together, connecting lines among the electrical devices and the size of the devices are effectively reduced, and the occupied area of the electrical devices is reduced.
The above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all structural equivalents made by using the contents of the specification and drawings are included in the scope of the present invention.
Claims (4)
1. The utility model provides a mining flame proof and this ampere of electromagnetism soft starter, includes in the explosion-proof casing, the control unit and the start unit, its characterized in that: the starting unit is provided with four promoter units which are respectively a reversible starting unit, an illumination starting unit, a soft start starting unit and a delay straight start starting unit, the starting unit is electrically connected with the control unit, and the control unit is electrically connected with the display unit; the reversible starting unit, the illumination starting unit, the soft start starting unit and the delay straight start starting unit are respectively and electrically connected with the mining equipment through the detection unit.
2. The mining flameproof and intrinsically safe electromagnetic soft starter according to claim 1, characterized in that: the mining equipment comprises a main driving motor, an electric hydraulic brake, a tensioning winch and a lighting and signal circuit; the soft start starting unit is electrically connected with the main driving motor through the detection unit; the delay starting unit is electrically connected with the electric hydraulic brake through the detection unit; the reversible starting unit is electrically connected with the tensioning winch through the detection unit; the illumination starting unit is electrically connected with the illumination and signal circuit through the detection unit.
3. The mining flameproof and intrinsically safe electromagnetic soft starter according to claim 2, characterized in that: the mining equipment comprises 2 main driving motors, 2 electric hydraulic brakes, 1 tensioning winch and a lighting and signal circuit.
4. The mining flameproof and intrinsically safe electromagnetic soft starter according to claim 1, characterized in that: the soft start unit is provided with an MX soft starter trigger plate; the delayed starting unit and the lighting starting unit are both provided with contactors, and the reversible starting unit is provided with an isolation reversing switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120814183.6U CN214480339U (en) | 2021-04-21 | 2021-04-21 | Mining explosion-proof and intrinsic safety electromagnetic soft starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120814183.6U CN214480339U (en) | 2021-04-21 | 2021-04-21 | Mining explosion-proof and intrinsic safety electromagnetic soft starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214480339U true CN214480339U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120814183.6U Active CN214480339U (en) | 2021-04-21 | 2021-04-21 | Mining explosion-proof and intrinsic safety electromagnetic soft starter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214480339U (en) |
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2021
- 2021-04-21 CN CN202120814183.6U patent/CN214480339U/en active Active
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