CN217213493U - Electric control system of mining monorail crane - Google Patents
Electric control system of mining monorail crane Download PDFInfo
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- CN217213493U CN217213493U CN202220435049.XU CN202220435049U CN217213493U CN 217213493 U CN217213493 U CN 217213493U CN 202220435049 U CN202220435049 U CN 202220435049U CN 217213493 U CN217213493 U CN 217213493U
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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 utility model provides an electric control system of a monorail crane for mining, which comprises a PLC main control module, a power unit, a control module, a display module and an action execution unit, wherein the display module is connected to the PLC main control module through a switch; the action execution unit is electrically connected with the PLC main control module. The utility model discloses an ethernet communication module is with signal transmission to PLC host system, and it adopts the ethernet to carry out the communication and can improve the expanded ability of system, and communication speed is fast moreover, the time delay is low, in addition through the ethernet communication between module and the module, whole circuit is clean and tidy. The utility model discloses an action execution module adopts be to each solenoid valve among the monorail hoist, the switching value control of walking motor or walking motor, and the adaptable electric monorail of this kind of structural style hangs and the diesel engine monorail hangs, and the commonality is good.
Description
Technical Field
The utility model belongs to the technical field of the monorail crane control, concretely relates to mining monorail crane's electrical system.
Background
The mining monorail crane is auxiliary conveying equipment which takes a diesel engine, a storage battery and the like as power sources to drive a driving part on the monorail crane to run and drives a whole vehicle to run on a single track by the driving part. With the development of science and technology, the intelligence level of monorail cranes is gradually improved and gradually moves towards the direction of unmanned driving.
The electric control systems of existing monorail cranes mainly have the following two problems: 1. electric control systems adopting different driving sources cannot be used universally; 2. when a new function needs to be added to the monorail crane system, the existing system cannot be expanded; 3. the existing structure has more line connection and more disordered line layout. There is therefore a need for an electric control system for monorail cranes which is simple in construction, scalable and versatile.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a mining monorail hoist's electrical system solves the relevant problem of background art.
The utility model provides a technical scheme is: an electric control system for a monorail hoist comprising:
the PLC master control module is used for detecting input signals and controlling output signals of the electric control system;
the power unit is used for providing a power supply for the electric control system;
the control module is used for inputting analog quantity of an operating handle on a control box of the monorail crane and inputting switching value of an operating button, and the control module is connected with the Ethernet communication module and then connected to the PLC main control module through the switch;
the display module is used for inputting and outputting and displaying various parameters of the monorail crane and is connected with the PLC main control module through the switch;
and the action execution unit is used for executing the walking action of the monorail crane, the clamping action of the driving part and the braking action of the monorail crane, and is electrically connected with the PLC main control module.
In a possible embodiment, the action execution unit includes switching value output module, first drive module, second drive module, oil pump motor, hydraulic system and walking motor, switching value output module's input with the PLC host system electricity links, switching value output module's output is connected respectively first drive module, second drive module and hydraulic system's each solenoid valve, first drive module is used for the drive the oil pump motor, the oil pump motor be used for doing hydraulic system pump hydraulic oil, second drive module is used for the drive the walking motor.
In a possible embodiment, the power unit comprises a second 485 communication module, an analog input module, a driving mainboard, a driving unit, a power module, a storage battery pack and a detection module; the PLC main control module is connected with the second 485 communication module through a first 485 communication module, the PLC main control module is connected with the analog input module through an analog output module, the second 485 communication module and the analog input module are both connected to a driving main board, the storage battery pack is connected with the driving main board after being sequentially connected with a power supply module and a driving unit, and the driving unit controls the oil pump motor and the walking motor through the first driving module and the second driving module respectively; and the operation data of the power module, the driving unit and the driving main board are transmitted to the detection module.
In a possible embodiment, the system further comprises a monitoring unit, wherein the monitoring unit comprises a data acquisition module; the data acquisition module is electrically connected with the gas monitoring module and is used for acquiring gas concentration data; the data acquisition module is electrically connected with the hydraulic system and is used for acquiring oil pressure and oil temperature of the hydraulic system and oil level information of an oil tank; the data acquisition module is also used for acquiring the running speed of the monorail hoist; the data acquisition module is electrically connected with the PLC main control module.
In one possible embodiment, the action execution unit comprises a switching value output module, a diesel engine, an oil pump, a main control hydraulic system, a brake system and a walking motor; the PLC host system is connected to switching value output module's input, diesel engine, braking system and master control hydraulic system are connected respectively to switching value output module's output, braking system passes through master control hydraulic system control, the diesel engine is used for the drive the oil pump, the oil pump is used for doing master control hydraulic system pump sending hydraulic oil, master control hydraulic system is used for controlling walking motor and monorail's clamping cylinder.
In one possible embodiment, the power module comprises a first CAN communication module, an analog input module, a switching value input module, an ECU, a master switch, a storage battery pack and a detection module, the PLC master control module is connected with the first CAN communication module through a second CAN communication module, the PLC master control module is connected with the analog input module through an analog output module, the switching value output module is connected with the switching value input module, the first CAN communication module, the analog input module and the switching value input module are all connected to the ECU, and the storage battery pack is connected with the ECU after being connected with the master switch; the ECU is electrically connected with the detection module, and the detection module is used for detecting relevant operation data of the diesel engine.
In a possible embodiment, the system further comprises a detection module, wherein the detection module comprises a data acquisition module; the data acquisition module is electrically connected with the gas monitoring module and is used for acquiring gas concentration data; the data acquisition module is electrically connected with the walking motor and is used for acquiring the oil pressure data of the walking motor.
In a possible embodiment, the display module is connected with an alarm module, and the alarm module is used for giving an alarm when the data displayed in the display module exceeds a set threshold value.
In a possible embodiment, the ethernet communication module and the switch, the display module and the switch, and the switch and the PLC main control module all communicate using a Modbus TCP protocol.
The utility model provides a mining monorail crane's electrical system, the signal that switching value and analog signal through will controlling the module are ethernet communication module transmissible is converted into, through ethernet communication module with signal transmission to PLC host system, the utility model discloses an ethernet carries out the extensible capability that the communication can improve the system, and communication speed is fast moreover, the time delay is low, passes through the ethernet communication between module and the module in addition, and whole circuit is clean and tidy. The utility model discloses an action execution unit adopts be to each solenoid valve among the monorail hoist, the switching value control of walking motor or walking motor, and the adaptable electric monorail of this kind of structural style hangs and the diesel engine monorail hangs, and the commonality is good.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is an electric control system of a monorail crane for storage batteries according to an embodiment of the present invention;
fig. 2 is an electric control system of a diesel engine monorail crane provided by an embodiment of the present invention;
fig. 3 is a circuit diagram of a control module according to an embodiment of the present invention;
fig. 4 is a circuit diagram of an ethernet communication module according to an embodiment of the present invention;
fig. 5 is a switching value input circuit in the data acquisition module according to an embodiment of the present invention;
fig. 6 is an analog input circuit in a data acquisition module according to an embodiment of the present invention;
fig. 7 is a circuit diagram of an analog output module according to an embodiment of the present invention;
fig. 8 is a control chip of the data acquisition module and the analog output module according to an embodiment of the present invention;
fig. 9 is a circuit diagram of a connection between the switching value output module and the action execution unit according to an embodiment of the present invention;
fig. 10 is a circuit diagram of a 485 communication module according to an embodiment of the present invention;
fig. 11 is a circuit diagram of a CAN communication module according to an embodiment of the present invention.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments, but not all embodiments, in the embodiments of the present invention, and all other embodiments obtained by a person having ordinary skill in the art without creative labor in the premise belong to the protection scope of the present invention.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In the present disclosure, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Referring to fig. 1, the present embodiment provides an electric control system for a mining monorail crane, which includes a PLC main control module, a display module, a power unit, and an action execution unit.
The PLC main control module is used for input signal detection and output signal control of the monorail crane system, and a chip of the PLC main control module can adopt Siemens S7-200 SMART.
The control module is used for analog quantity input of an operating handle of the monorail crane and switching value input of an operating button, the control module is connected with an Ethernet communication module, the Ethernet communication module is communicated with the switch through a Modbus TCP protocol, and the switch is communicated with the PLC main control module through the Modbus TCP protocol. The control module comprises operating handles for controlling the forward, backward and stop of the monorail, and control buttons for starting, emergency stop, etc. of the monorail. In this embodiment, the control module comprises two control modules, namely a control module A in the cab of the head of the monorail crane and a control module B in the cab of the tail of the monorail crane.
The display module is used for the input and output display of each parameter of the monorail crane and is connected with the PLC main control module through the switch. Optionally, the display module includes explosion-proof liquid crystal display screen, and this display module carries out the communication through Modbus TCP agreement and switch, carries out the communication by switch Modbus TCP agreement and PLC host system again. In this embodiment, the display modules comprise two, respectively a display module a arranged in the cab of the head of the monorail crane and a display module B arranged in the cab of the tail of the monorail crane.
The action execution unit is used for executing the walking action of the monorail crane, the clamping action of the driving part and the braking action of the monorail crane and is electrically connected with the PLC main control module. The control module inputs related instructions (analog quantity or switching value), the PLC main control module outputs and controls the instructions, and the instructions are transmitted to the action execution unit to execute related actions, such as clamping and braking of the driving part, walking of the monorail crane and the like.
The power unit is used to provide power to the modules of the monorail hoist system.
Example one
The action execution unit comprises a switching value output module, a first driving module, a second driving module, an oil pump motor, a hydraulic system and a walking motor. The switching value output module is a relay, and the on-off of the switching value output module is controlled by the PLC main control module to realize the control of the circuit. The output end of the switching value output module is respectively connected with a first driving module, a second driving module and each electromagnetic valve of a hydraulic system, wherein the first driving module is used for controlling the rotating speed of an oil pump motor, the second driving module is used for controlling the rotating speed of a walking motor, the switching value output module is connected with each electromagnetic valve of the hydraulic system, and the on-off of each electromagnetic valve is controlled through the switching value output module.
In this embodiment, the oil pump motor is used to pump hydraulic oil for the hydraulic system. The relevant operating parameters of the hydraulic system, such as oil pressure, oil temperature and oil level of an oil tank, are collected through the data acquisition module, the data acquisition module is communicated with the PCL master control module through the RCS485 communication cable, and the PCL master control module transmits the collected parameters to the display module for display. The data acquisition module is also used to acquire the pulse signal of the encoder on the tachometer wheel on the monorail hoist, and to convert this pulse signal into the operating speed of the monorail hoist. Analog quantity and switching value signals acquired by the data acquisition module are transmitted to the display module through the PLC main control module to be displayed. In this embodiment, the data acquisition module is further connected with a gas monitoring module, the data acquisition module is used for acquiring concentration data of gas, and when the gas concentration exceeds a set threshold, the PLC main control module controls the switching value output module to be disconnected from the first driving module and the second driving module.
In one possible embodiment, the power unit comprises a driving main board, a driving unit, a power conversion module and a storage battery pack. The storage battery pack is used for supplying power to the power conversion module, the power conversion module is used for converting 256V voltage input by the storage battery pack into 24V voltage which can be used by the driving unit, the driving unit is an IGBT module, the driving unit is electrically connected with the driving main board, and the driving main board drives the oil pump motor and the walking motor.
In some examples, the driving main board is connected with a second 485 communication module and an analog input module, and in this embodiment, the PLC main control module is provided with a first 485 communication module and is connected with an analog output module. A first 485 communication module and a second 485 communication module in the PLC master control module are connected through RS485 cables, and an analog output module is electrically connected with an analog input module. The information transmission between the power unit and the PLC main control module is realized through the second 485 communication module; the analog quantity output module is electrically connected with the analog quantity input module to realize the information transmission of the analog quantity on the operation module, and the main board is driven to be connected with the switching value output module on the action execution unit to realize the on-off of the switching value output module.
In some possible embodiments, the related data of the driving main board, the driving unit and the voltage module are detected by the detection module, the related data include electric quantity, voltage, output current, output power and the like, and the data collected by the detection module can be displayed on the power unit by additionally arranging a display screen or can be transmitted to the display module for displaying.
Example two
The action execution unit comprises a switching value output module, a diesel engine, an oil pump, a hydraulic system and a walking motor, wherein the switching value output module is the same as the first embodiment, the input end of the switching value output module is connected with a PLC main control module, the output end of the switching value output module is connected with the diesel engine, each electromagnetic valve of the braking system and each electromagnetic valve of the hydraulic system are arranged on the hydraulic system, the diesel engine is used for controlling the start and stop of the oil pump, the oil pump is used for pumping hydraulic oil for the hydraulic system, and the switching value output module is connected with each electromagnetic valve of the hydraulic system and each electromagnetic valve of the braking system and used for controlling the on-off of each electromagnetic valve. The hydraulic system is connected with a walking motor for controlling the operation of each driving part, and the walking motor is controlled to rotate by the hydraulic system.
In this embodiment, the oil pressure information (analog signal) of the traveling motor is transmitted to the data acquisition module, and the data acquisition module is connected to the PLC master control module through an RS485 cable. In this embodiment, the data acquisition module is also connected to the gas monitoring module as in the first embodiment, which is not described herein again.
The power unit in the embodiment comprises the ECU, a master switch and the storage battery pack, wherein the storage battery pack is used for supplying power to the power supply unit, and the master switch is used for realizing the on-off of the storage battery pack and the ECU.
In this embodiment, the PLC main control module is provided with a first CAN communication module and an analog output module, and the power unit is provided with a second CAN communication module, an analog input module and a switching value output module, wherein the first CAN communication module is connected with the second CAN communication module through a CAN bus. The analog quantity output module is electrically connected with the analog quantity input module and used for receiving the analog quantity signals of the operation handle action on the operation module and realizing the throttle control of the diesel engine through the driving main board according to the analog quantity input condition of the operation module. And the switching value input module is electrically connected with the switching value output module in the action execution unit and is used for realizing flameout control of the engine. The first CAN communication module, the second CAN communication module, the analog quantity output module and the switching value input module are all electrically connected with the ECU.
In this embodiment, the power unit further includes a detection module, where the detection module is used to detect the rotation speed, intake pressure, exhaust temperature, etc. of the engine, and the data collected by the detection module may be displayed on a display screen additionally arranged on the power unit, or may also be transmitted to the display module for display.
In some possible embodiments, the display modules in the first and second embodiments are connected to an alarm module, the alarm module is connected to the display module through an RS485 cable, and is configured to alarm when data displayed in the display module exceeds a set threshold, and the alarm may be an audible and visual alarm.
In some possible implementations, in the first and second embodiments, the control module may adopt the circuit connection form in fig. 3, and the control module is connected with the ethernet communication module in fig. 4. Fig. 5 shows a circuit diagram of the switching value input in the data acquisition module, wherein the switching value includes information on the operating speed of the monorail (pulse information from the encoder on the tachometer wheel), the switching signal for the solenoid valve, etc. Fig. 6 shows an analog input circuit diagram in the data acquisition module, where the analog input includes a plurality of same circuits for acquiring different information, and the acquired analog is mainly information such as oil pressure, oil temperature, and oil level. Fig. 7 is a circuit diagram of an analog output module connected to a PLC master control module, which needs to separately convert the analog quantities of non-safety and intrinsic safety and then transmit them. Fig. 8 is a control chip of the analog input circuit, the switching value input circuit and the data acquisition module. Fig. 9 is a circuit diagram of the connection between the switching value output module and the action execution unit, and the structures of the action execution units of the explosion-proof diesel engine monorail crane and the explosion-proof storage battery monorail crane can be the same. FIG. 10 is a first 485 communication module for the explosion-proof battery monorail crane of the first embodiment, and FIG. 11 is a first CAN communication module for the explosion-proof diesel monorail crane of the second embodiment.
It should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may be modified, or some or all of the technical solutions may be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. An electric control system for a mining monorail hoist, comprising:
the PLC master control module is used for detecting input signals and controlling output signals of the electric control system;
the power unit is used for providing a power supply for the electric control system;
the control module is used for inputting analog quantity of an operating handle on a control box of the monorail crane and inputting switching value of an operating button, and the control module is connected with the Ethernet communication module and then connected to the PLC main control module through the switch;
the display module is used for inputting and outputting and displaying various parameters of the monorail crane and is connected with the PLC main control module through the switch;
and the action execution unit is used for executing the walking action of the monorail crane, the clamping action of the driving part and the braking action of the monorail crane, and is electrically connected with the PLC main control module.
2. The electric control system according to claim 1, wherein the action execution unit includes a switching value output module, a first driving module, a second driving module, an oil pump motor, a hydraulic system, and a walking motor, an input end of the switching value output module is electrically connected to the PLC main control module, an output end of the switching value output module is respectively connected to the first driving module, the second driving module, and each solenoid valve of the hydraulic system, the first driving module is used for driving the oil pump motor, the oil pump motor is used for pumping hydraulic oil for the hydraulic system, and the second driving module is used for driving the walking motor.
3. The electric control system of claim 2, wherein the power unit comprises a second 485 communication module, an analog input module, a driving mainboard, a driving unit, a power module, a storage battery pack and a detection module; the PLC main control module is connected with the second 485 communication module through a first 485 communication module, the PLC main control module is connected with the analog input module through an analog output module, the second 485 communication module and the analog input module are both connected to a driving main board, the storage battery pack is connected with the driving main board after being sequentially connected with a power supply module and a driving unit, and the driving unit controls the oil pump motor and the walking motor through the first driving module and the second driving module respectively; and the operation data of the power module, the driving unit and the driving main board are transmitted to the detection module.
4. The electrical control system of claim 2, further comprising a monitoring unit, the monitoring unit including a data acquisition module; the data acquisition module is electrically connected with the gas monitoring module and is used for acquiring gas concentration data; the data acquisition module is electrically connected with the hydraulic system and is used for acquiring oil pressure and oil temperature of the hydraulic system and oil level information of an oil tank; the data acquisition module is electrically connected with the PLC main control module.
5. The electric control system according to claim 1, wherein the action execution unit comprises a switching value output module, a diesel engine, an oil pump, a main control hydraulic system, a brake system and a walking motor; the PLC host system is connected to switching value output module's input, diesel engine, braking system and master control hydraulic system are connected respectively to switching value output module's output, braking system passes through master control hydraulic system control, the diesel engine is used for the drive the oil pump, the oil pump is used for doing master control hydraulic system pump sending hydraulic oil, master control hydraulic system is used for controlling walking motor and monorail's clamping cylinder.
6. The electric control system according to claim 5, wherein the power unit comprises a first CAN communication module, an analog quantity input module, a switching quantity input module, an ECU, a master switch, a storage battery pack and a detection module, the PLC master control module is connected with the first CAN communication module through a second CAN communication module, the PLC master control module is connected with the analog quantity input module through an analog quantity output module, the switching quantity output module is connected with the switching quantity input module, the first CAN communication module, the analog quantity input module and the switching quantity input module are all connected to the ECU, and the storage battery pack is connected with the ECU after being connected with the master switch; the ECU is electrically connected with the detection module, and the detection module is used for detecting relevant operation data of the diesel engine.
7. The electronic control system of claim 6, further comprising a detection module, the detection module comprising a data acquisition module; the data acquisition module is electrically connected with the gas monitoring module and is used for acquiring gas concentration data; the data acquisition module is electrically connected with the walking motor and is used for acquiring the oil pressure data of the walking motor.
8. The electronic control system according to any one of claims 1 to 7, wherein an alarm module is connected to the display module, and the alarm module is configured to alarm when data displayed in the display module exceeds a set threshold.
9. The electrical control system according to any one of claims 1 to 7, wherein the ethernet communication module and the switch, the display module and the switch, and the switch and the PLC master module all communicate using a Modbus TCP protocol.
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| CN202220435049.XU CN217213493U (en) | 2022-03-02 | 2022-03-02 | Electric control system of mining monorail crane |
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