CN220342094U - Mining emergency power supply control system - Google Patents
Mining emergency power supply control system Download PDFInfo
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- CN220342094U CN220342094U CN202321449280.5U CN202321449280U CN220342094U CN 220342094 U CN220342094 U CN 220342094U CN 202321449280 U CN202321449280 U CN 202321449280U CN 220342094 U CN220342094 U CN 220342094U
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- power supply
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- 238000005065 mining Methods 0.000 title claims abstract description 26
- 230000003993 interaction Effects 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Stand-By Power Supply Arrangements (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The utility model discloses a mining emergency power supply control system, which comprises a main control cabinet and an outgoing line cabinet, wherein the main control cabinet is provided with a man-machine interaction unit and a main controller, the main controller is electrically connected with the outgoing line cabinet, and the system also comprises a dummy load input cabinet, a switch, a parallel operation controller, a diesel generating set and an incoming line cabinet; the dummy load input cabinet is electrically connected with the main controller; the switch is electrically connected with the main controller and the parallel operation controller respectively; the diesel generator set is electrically connected with the parallel operation controller; the incoming line cabinets are electrically connected with the parallel operation controller; the main controller is used for collecting or controlling the diesel generator set and the incoming line cabinet, the main controller is used for controlling the opening and closing of each outgoing line cabinet, and the main controller is used for controlling the opening and closing of the dummy load input cabinet. Therefore, the utility model realizes the automatic parallel control of a plurality of diesel generator sets, provides the dummy load loading and unloading control, and prevents the occurrence of accidents caused by the power failure of the whole mine due to the reverse power stopping of the generator sets caused by the reverse power transmission of the mine auxiliary shaft hoist.
Description
Technical Field
The utility model relates to the technical field of mining emergency power supplies, in particular to a mining emergency power supply control system.
Background
Mining power supplies typically include normal power supplies and emergency power supplies, which are typically activated when a power outage occurs throughout the mine. In the prior art, a diesel generator set is mostly adopted as an emergency power supply for the mining emergency power supply, and the diesel generator set can provide power for auxiliary shaft hoist of mining area emergency equipment and receive reverse power transmission from the auxiliary shaft hoist in the operation process. The auxiliary shaft hoist is a hoisting machine which is arranged on the ground and drives the hoisting container to run along a shaft by means of a steel wire rope, and is mainly used for hoisting coal, lifting personnel, lowering materials, tools, equipment and the like in a vertical shaft. The device can use electricity in the decelerating and descending processes, and can convert kinetic energy or potential energy into electric energy to be sent out.
Although the existing emergency power supply can timely supply power to auxiliary shaft elevators and the like when the whole mine has a power failure, the existing emergency power supply cannot input dummy loads and the like according to actual conditions, so that the existing mine emergency power supply is easy to lose power and the like, and cannot meet actual use requirements.
Disclosure of Invention
Aiming at the defects, the technical problems to be solved by the utility model are as follows: the mining emergency power supply control system realizes automatic parallel control of a plurality of units, and also provides load and unload control of a dummy load (resistive load) to prevent accidents caused by full mine power loss due to reverse power stopping of a generator unit caused by reverse power transmission of a mining auxiliary shaft hoist.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
the mining emergency power supply control system comprises a main control cabinet and at least one outgoing line cabinet, wherein a man-machine interaction unit and a main controller which are electrically connected are arranged on the main control cabinet, the main controller is electrically connected with each outgoing line cabinet, and the system further comprises a dummy load input cabinet, a switch, at least one parallel operation controller, at least one diesel generator set and at least one incoming line cabinet; the dummy load input cabinet is electrically connected with the main controller; the switch is respectively and electrically connected with the main controller and each parallel operation controller; each diesel generating set is electrically connected with one parallel operation controller; each incoming line cabinet is electrically connected with one parallel operation controller; the main controller is used for controlling the opening and closing of each outlet cabinet and controlling the opening and closing of the dummy load input cabinet.
Preferably, the system further comprises a cooling fan electrically connected with the main controller.
Preferably, each diesel generator set is electrically connected with the corresponding parallel operation controller through a first CAN communication unit.
Preferably, the system comprises two parallel operation controllers, and the two parallel operation controllers are electrically connected through a second CAN communication unit.
The preferred mode is, the system includes two diesel generating set, two inlet wire cabinet and two be qualified for next round of competitions the cabinet, two diesel generating set with two parallel operation controller one-to-one electricity is connected, two inlet wire cabinet with two parallel operation controller one-to-one electricity is connected, two be qualified for next round of competitions the cabinet respectively with main control unit electricity is connected.
Preferably, the man-machine interaction unit comprises a touch screen.
Preferably, the touch screen is electrically connected with the main controller through an RS485 communication unit.
Preferably, an alarm unit is arranged on the main control cabinet, and the alarm unit is electrically connected with the main controller.
Preferably, the system further comprises a remote monitoring terminal, and the remote monitoring terminal is in communication connection with the main controller.
Preferably, the main control cabinet is further provided with a start-stop key, and the start-stop key is electrically connected with the main controller.
After the technical scheme is adopted, the utility model has the beneficial effects that:
the mining emergency power supply control system comprises a main control cabinet and at least one outlet cabinet, wherein the main control cabinet is provided with a man-machine interaction unit and a main controller which are electrically connected, the main controller is electrically connected with each outlet cabinet, and the system also comprises a dummy load input cabinet, a switch, at least one parallel operation controller, at least one diesel generator set and at least one inlet cabinet; the dummy load input cabinet is electrically connected with the main controller; the switch is respectively and electrically connected with the main controller and each parallel operation controller; each diesel generating set is electrically connected with a parallel operation controller; each incoming line cabinet is electrically connected with one parallel operation controller; the main controller is used for controlling the opening and closing of each outlet cabinet and is used for controlling the opening and closing of the dummy load input cabinet. Therefore, the mining emergency power supply control system realizes automatic parallel control of a plurality of units, provides load and unload control of a dummy load (resistive load), and prevents accidents caused by full mine power loss due to reverse power stopping of a generator unit due to reverse power transmission of a mining auxiliary shaft hoist.
Drawings
FIG. 1 is a schematic block diagram of an emergency power control system for mines in accordance with the present utility model;
in the figure: the system comprises a main control cabinet 1, a touch screen 2, a main controller 3, an outgoing cabinet 4, a switch 5, a parallel operation controller 6, an incoming cabinet 7, a diesel generator set 8, a cooling fan 9 and a dummy load input cabinet 10.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1, a mining emergency power supply control system comprises a main control cabinet 1 and at least one outlet cabinet 4, wherein a man-machine interaction unit and a main controller 3 which are electrically connected are arranged on the main control cabinet 1, the main controller 3 comprises a PLC controller, a siemens CPU1513R13 can be adopted, the man-machine interaction unit comprises a touch screen 2, and the touch screen 2 is electrically connected with the PLC controller through an RS485 communication unit.
The control system of the utility model also comprises at least one diesel generator set 8, at least one incoming line cabinet 7, at least one parallel operation controller 6, a switch 5, a dummy load input cabinet 10 and a cooling fan 9, wherein a switch device such as a contactor or a thyristor is arranged in the dummy load input cabinet 10, and can switch on a power supply for a dummy load (resistive load). In a preferred scheme, the system is provided with two diesel generator sets 8, two incoming line cabinets 7, two parallel operation controllers 6 and two outgoing line cabinets 4.
The two diesel generator sets 8 are electrically connected with the two parallel operation controllers 6 one to one, and in a preferred scheme, each diesel generator set 8 is electrically connected with the corresponding parallel operation controller 6 through a first CAN communication unit; the two incoming line cabinets 7 are electrically connected with the two parallel operation controllers 6 one to one; through the connection, the parallel operation controller 6 can control the start and stop of the diesel generator set 8, and control the closing, opening, parallel connection, disconnection and the like of the incoming line cabinet 7.
The main controller 3 is in communication connection with the switch 5 through a network cable, the switch 5 is respectively in communication connection with two parallel operation controllers 6 through the network cable, and the two parallel operation controllers are electrically connected with a second CAN communication unit to realize power management and distribution. Specifically, the PLC controller collects the states and signals of the diesel generator set 8 and the incoming line cabinet 7 from the parallel operation controller 6 in a communication manner through the exchange 5, and sends corresponding commands to the same.
The two outgoing line cabinets 4 are respectively and electrically connected with the main controller 3, and specifically, the PLC is connected with the two outgoing line cabinets 4 through a hard wire so as to control the two outgoing line cabinets 4 to be switched on and switched off; the dummy load input cabinet 10 and the cooling fan 9 are respectively electrically connected with the main controller 3, specifically, the PLC controller is respectively connected with the dummy load input cabinet 10 and the cooling fan 9 through hard wires to control the switching of the dummy load input cabinet 10, and the cooling fan 9 is started and closed.
When the utility model works, when the main control cabinet 1 receives an external starting command or the touch screen 2 on the main control cabinet 1 manually sends out the starting command, the starting command is transmitted to the parallel operation controller 6 through the switch 5, after the controller receives the starting command, the diesel generator set 8 is controlled to start and speed up to a rated state, and then the incoming line cabinet 7 is controlled to be switched on and connected in parallel; after the parallel connection is completed, the main controller 3 controls the wire outlet cabinet 4 to be switched on.
After detecting that the low voltage is normal, the main controller 3 controls the cooling fan 9 to be started, and sends out a signal for allowing the auxiliary shaft hoist to operate; if the low-voltage point is detected to be abnormal, the low-voltage point gives an alarm. After detecting that the outlet cabinet 4 has reverse power in a communication mode, the main controller 3 controls the switching of the contactor in the dummy load input cabinet 10 to control the switching of the dummy load.
When the elevator stops, the main controller 3 turns off the cooling fan 9, and after the emergency power supply starting signal disappears, the feed-out line cabinet 4 is opened, and the plurality of diesel generator sets 8 are opened and stopped to enter a standby state.
Therefore, the utility model adopts the PLC and the touch screen 2 to realize centralized monitoring and automatic load adding and unloading of dummy load, prevents the occurrence of reverse power of the emergency diesel generator set 8 and reduces fuel consumption.
In some embodiments of the present utility model, the main control cabinet 1 is provided with an alarm unit and a start-stop key, and the alarm unit and the start-stop key are respectively electrically connected with the main controller 3.
After the outgoing line cabinet 4 is switched on, whether the low-voltage power supply is normal or not is detected, when the low-voltage power supply is abnormal, a corresponding alarm signal is transmitted to the main controller 3, the main controller 3 triggers the alarm unit to send out an alarm, and the alarm unit can be an audible and visual alarm unit, so that the running reliability of the whole system is improved.
When in actual use, the start-stop key can be manually operated by a person to realize the one-key start-stop of the control system, so that the operation is convenient, and the reliability of the operation is improved.
In other embodiments of the present utility model, the system further comprises a remote monitoring terminal, and the remote monitoring terminal is in communication connection with the main controller 3, and can monitor the control system in real time through the remote monitoring terminal, so that the reliability of the system operation is improved. In summary, the utility model has the following advantages:
1) The PLC and the touch screen are adopted to realize the functions of one-key start and stop, parallel operation, power management and remote monitoring on a plurality of diesel generating sets, and the device is convenient for operators to use.
2) And the signals are controlled and transmitted in a communication mode, so that fault points are reduced, and the reliability of the system is improved.
3) Through the automatic detection of the load, the automatic load adding and subtracting is realized, on one hand, the power generation unit is prevented from stopping due to the reverse power, and on the other hand, the fuel consumption during the operation of the emergency power supply is reduced.
The foregoing description of the preferred embodiment of the utility model is not intended to limit the utility model, but any modification, equivalent to a mining emergency power control system, etc. that fall within the spirit and principles of the utility model are included in the scope of the utility model.
Claims (10)
1. The mining emergency power supply control system comprises a main control cabinet and at least one outgoing line cabinet, wherein a man-machine interaction unit and a main controller which are electrically connected are arranged on the main control cabinet, and the main controller is electrically connected with each outgoing line cabinet;
the dummy load input cabinet is electrically connected with the main controller;
the switch is respectively and electrically connected with the main controller and each parallel operation controller;
each diesel generating set is electrically connected with one parallel operation controller;
each incoming line cabinet is electrically connected with one parallel operation controller;
the main controller is used for controlling the opening and closing of each outlet cabinet and controlling the opening and closing of the dummy load input cabinet.
2. The mining emergency power supply control system of claim 1, further comprising a cooling fan electrically connected to the main controller.
3. The mining emergency power supply control system according to claim 1, wherein each diesel generator set is electrically connected with the corresponding parallel operation controller through a first CAN communication unit.
4. The mining emergency power supply control system according to claim 1, wherein the system comprises two parallel controllers, and the two parallel controllers are electrically connected through a second CAN communication unit.
5. The mining emergency power supply control system according to claim 4, wherein the system comprises two diesel generator sets, two incoming line cabinets and two outgoing line cabinets, the two diesel generator sets are electrically connected with the two parallel operation controllers one to one, the two incoming line cabinets are electrically connected with the two parallel operation controllers one to one, and the two outgoing line cabinets are electrically connected with the main controller respectively.
6. The mining emergency power supply control system of claim 1, wherein the human-machine interaction unit comprises a touch screen.
7. The mining emergency power supply control system of claim 6, wherein the touch screen is electrically connected to the main controller through an RS485 communication unit.
8. The mining emergency power supply control system according to any one of claims 1 to 7, characterized in that an alarm unit is provided on the main control cabinet, the alarm unit being electrically connected with the main controller.
9. The mining emergency power supply control system of claim 8, further comprising a remote monitoring terminal communicatively coupled to the master controller.
10. The mining emergency power supply control system according to claim 8, wherein a start-stop key is further arranged on the main control cabinet, and the start-stop key is electrically connected with the main controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321449280.5U CN220342094U (en) | 2023-06-07 | 2023-06-07 | Mining emergency power supply control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321449280.5U CN220342094U (en) | 2023-06-07 | 2023-06-07 | Mining emergency power supply control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220342094U true CN220342094U (en) | 2024-01-12 |
Family
ID=89449596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321449280.5U Active CN220342094U (en) | 2023-06-07 | 2023-06-07 | Mining emergency power supply control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220342094U (en) |
-
2023
- 2023-06-07 CN CN202321449280.5U patent/CN220342094U/en active Active
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