CN111210703A - Multi-type motor comprehensive training platform - Google Patents
Multi-type motor comprehensive training platform Download PDFInfo
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- CN111210703A CN111210703A CN202010144189.7A CN202010144189A CN111210703A CN 111210703 A CN111210703 A CN 111210703A CN 202010144189 A CN202010144189 A CN 202010144189A CN 111210703 A CN111210703 A CN 111210703A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/188—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for motors; for generators; for power supplies; for power distribution
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
Abstract
The invention discloses a comprehensive practical training platform for various types of motors, which comprises a platform frame body, wherein the platform frame body is a cuboid frame; the top surface and the bottom surface of the platform frame body are both provided with aluminum flat plates; the touch screen and the operation and display element group are arranged on one side of the top surface of the platform frame body, and the stepping motor and the servo motor, as well as a driver and a transmission assembly of the stepping motor and the servo motor are arranged on the other side of the top surface of the platform frame body; the side surface of the platform frame body is provided with a plurality of low-voltage electric appliance groups, low-voltage electric appliance group interfaces, frequency converters, a 24V direct-current stabilized power supply, a switch, a controller PLC and related expansion modules, and input and output terminal plug jacks, signal component jacks and power jacks of the controller PLC and the related expansion modules; the inner body on the side surface of the platform frame body is provided with a box body made of insulation plates with four openable surfaces, and a patch cord, an instrument, a tool or a low-power three-phase asynchronous motor used for connecting experimental training project components can be stored in the box body.
Description
Technical Field
The invention relates to the technical field of automatic control equipment, in particular to a comprehensive practical training platform for various motors.
Background
With the proposition and rapid development of intelligent manufacturing port numbers in China, the precision requirement on product processing is higher and higher, a plurality of machine tool devices or production lines are upgraded and modified, one production and processing device can be provided with a plurality of types of motors at the same time, and the requirement is that automatic professional students must master the control technology of the plurality of types of motors during school. At present, most colleges and universities still use a three-phase alternating-current asynchronous motor as a control object to develop related experimental training items, while experimental training items for related control of a stepping motor and a servo motor are relatively rarely developed, and the purchased or autonomously developed automatic experimental training device has the following defects:
1. the function is single: many experimental training devices mainly aim at verifiable experiments, experimental training items are not flexible to develop, and independent innovation or extension experimental training items cannot be developed.
2. Easy to damage: for students, each experiment may be the initial experiment of related content, irregular operation or misoperation is performed on components, and frequent operation of multiple students is easily caused, so that the damage of the components on equipment is easily caused, the experimental training cost is increased, and the equipment maintenance workload is increased.
3. Insufficient resource utilization: the experimental training items of one or two related courses can be developed on the device, only one surface is provided with related components, and the space on the device is not fully utilized. And if other related courses develop the experiment training items, related experiment training devices must be purchased, so that the professional practice teaching cost is increased, and corresponding teaching places are increased.
Disclosure of Invention
Aiming at the technical problems, the technical scheme provides a comprehensive practical training platform for various motors, and the comprehensive practical training platform can effectively solve the problems.
The invention is realized by the following technical scheme:
a multi-type motor comprehensive training platform comprises a platform frame body, wherein the platform frame body is a rectangular frame; the touch screen and the operation and display element set are arranged on one side of the platform frame body, and the stepping motor and the servo motor, as well as the driver and the transmission assembly of the stepping motor and the servo motor are arranged on the other side of the platform frame body; mesh plates are arranged on four side surfaces of the platform frame body, and components and component jacks are mounted on the mesh plates; the mesh plate on the side of the platform frame body is provided with a plurality of low-voltage electric appliance sets, low-voltage electric appliance set interfaces, a frequency converter, a 24V direct-current stabilized power supply, a switch, a controller PLC and related expansion modules, input and output terminal jacks of the controller PLC and the related expansion modules, signal component jacks and power supply jacks.
Furthermore, an east-west stepping motor is fixedly installed on the other side of the top surface of the platform frame body, the output end of the stepping motor is in transmission connection with a stepping motor lead screw, a south-north servo motor is in transmission connection with the stepping motor lead screw, and the servo motor can move along the east-west direction of the stepping motor lead screw along with the rotation of the stepping motor lead screw; the output end of the servo motor is in transmission connection with a servo motor lead screw, the servo motor lead screw is in transmission connection with a drawing pen, and the drawing pen can move in the east-west direction, the south-north direction and the south-north direction along with the rotation of the stepping motor lead screw and the servo motor lead screw; the stepping motor and the servo motor are connected with a stepping motor driver and a servo motor driver through wires, and the stepping motor driver and the servo motor driver are fixedly installed on the top surface of the platform frame body.
Furthermore, a first rail set along the screw rod of the stepping motor is arranged on the upper side and the lower side of the screw rod of the stepping motor, a first connecting piece is mounted on the first rail, the first connecting piece is fixedly connected with a first fixing nut, and the internal thread of the first fixing nut is matched with the thread of the screw rod of the stepping motor; and the lower side of the first connecting piece is fixedly connected with a servo motor assembly.
Furthermore, a second track set along the servo motor screw is arranged on the upper side and the lower side of the servo motor screw, a second connecting piece is mounted on the second track, a second fixing nut is fixedly connected to the second connecting piece, and the internal thread of the second fixing nut is matched with the thread of the servo motor screw; and the other side of the second connecting piece is fixedly connected with a pen clamping device, and the pen clamping device is detachably and fixedly connected with a drawing pen.
Furthermore, the touch screen has a serial communication port and an ethernet communication port, and can be simultaneously connected with the platform rack right side controller PLC1 and the controller PLC1 on the related expansion module, and the platform rack left side controller PLC2 and the controller PLC2 on the related expansion module.
Further, the operation and display element group includes 16 lighted buttons and 4 switches, in which the indicator lights are 4 red, 4 green, 4 yellow, and 4 white, respectively, and are arranged in a 4 × 4 manner.
Furthermore, the front surface of the platform frame body is provided with an operation and display element group jack, a servo motor, a stepping motor driving signal and a power supply jack, an input and output terminal jack of a controller PLC1 and a related expansion module, a low-voltage electrical appliance group II and a low-voltage electrical appliance group III jack and a power supply jack; the components mounted on the back surface of the platform frame body are similar to the components mounted on the front surface of the platform frame body;
the right side surface of the platform frame body is provided with a first low-voltage electric appliance set, a 24V direct-current stabilized power supply, a switch, a controller PLC1, a relevant expansion module, a first frequency converter, a first low-voltage electric appliance set, a second low-voltage electric appliance set and a third low-voltage electric appliance set; the components mounted on the left side surface of the platform frame body are similar to those mounted on the right side surface;
the controller PLC1 on the right side surface of the platform frame body and all wiring terminals on the related expansion module, the frequency converter I, the low-voltage electrical appliance set II and the low-voltage electrical appliance set III are connected to corresponding plug holes on the front surface through wire grooves; all the wiring terminals of the corresponding components on the left side surface and the right side surface of the platform frame body are connected to the corresponding jack on the back surface through the wire grooves by wires; the touch screen is connected to a corresponding communication port of the controller PLC through a data communication cable; the signals and the power lines of the servo motor driver and the stepping motor driver are respectively connected to the servo motor and the stepping motor driving signals and the power supply jack through cables; and the connecting terminals on the operating and display element group are respectively connected to the operating and display element group jacks on the front and back of the platform frame body through cables.
Furthermore, the power supply socket comprises three-phase four-wire system power jacks (containing 4 of L1, L2, L3, N and the like) arranged at the outlet end of the three-phase four-wire residual current circuit breaker on the right side surface of the platform body, power output end jacks (containing 3 of U, V, W and the like) of the frequency converter and direct-current 24V power jacks (containing 2 of +, — and the like).
Further, the first low-voltage electrical appliance group comprises 1 three-phase four-wire leakage circuit breaker for controlling all component power supplies, 1 three-phase circuit breaker for controlling a frequency converter power supply, 1 single-phase circuit breaker for controlling a controller PLC1 and a related expansion module power supply, 1 single-phase circuit breaker for controlling a touch screen power supply, and 1 single-phase circuit breaker for controlling a 24V direct-current stabilized power supply and a switch power supply;
the second low-voltage electrical appliance group comprises 3 alternating-current contactors with coil voltage of AC 220V and 3 11-pin intermediate relays with coil voltage of DC 24;
and the third low-voltage electric appliance set comprises 2 thermal relays, 2 time relays and 2 travel switches.
Further, the 24V direct current stabilized power supply and the switch comprise a 24V direct current power supply which converts single-phase alternating current into stable short-circuit protection, and a switch which is used for connecting the PLC1 and the touch screen with a programming computer and communicating data; the touch screen is connected with the controller PLC2 and the programming computer through a serial communication cable.
Furthermore, the controller PLC1 and the related expansion module adopt the same/related controllers and expansion modules with the PLC2 model installed in the left side controller PLC2 and the related expansion module of the platform frame body; or the controller PLC1 and the related expansion module and the PLC2 model arranged in the platform frame body left side controller PLC2 and the related expansion module adopt different controllers and expansion modules. The number of experimental training sets can be increased by using the same type of controller PLC and the same type of expansion module; the controller PLC and the extension module of different models are selected to enable students to master the use of the PLCs of different models.
Furthermore, the left side surface and the right side surface of the platform frame body are provided with movable doors, one side of each movable door is connected with the frame through a hinge, and the opposite ends of the movable doors and the hinge are fixedly connected with the frame of the platform frame body through door locks; and a closed space is formed between the movable door and the mesh plates on the left side surface and the right side surface, and a patch cord, an instrument, a tool or a low-power three-phase asynchronous motor used for connecting experimental training project components can be stored in the closed space.
Furthermore, the components and the plug jacks arranged on the top surface, the front surface, the back surface, the left side surface and the right side surface of the platform frame body are provided with corresponding electric character marks.
Advantageous effects
Compared with the prior art, the comprehensive practical training platform for the multiple types of motors has the following beneficial effects:
(1) the invention not only effectively solves the problems of single function, poor operation flexibility and incapability of developing relevant experimental training items of stepping and servo motors in the traditional automatic professional experimental training device, but also realizes multiple functions and can provide practical teaching services for relevant courses of multiple automatic professionals, such as courses of motor and electric control, PLC technology and application, frequency converter control technology, configuration software control technology, industrial networking, servo system application technology, electric control system integration technology and the like; the training platform can be fully utilized, and the automation professional practice teaching place can be efficiently utilized.
(2) The invention has the advantages that the resources are fully utilized, the upper surface, the front surface, the back surface, the left side surface and the right side surface of the practical training platform are provided with components or plug jacks, plug wires, instruments, tools or low-power three-phase asynchronous motors can be stored in the inner body, the solid space of the platform is utilized to the maximum extent, the number of groups of experimental practical training projects which are simultaneously developed can be increased, and the field for automatic professional practice teaching is saved.
(3) The invention has high practical flexibility, utilizes the patch cord to connect the required components, has quick and firm wiring, and can flexibly develop related course innovation and expansibility experiment training projects.
(4) The practical training platform has high application cost ratio, is very convenient to operate, install, disassemble and maintain, has low manufacturing cost and small occupied space, and can be manufactured and maintained by automatic professional students.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the overall structure of the opened state of the movable door of fig. 1.
Fig. 3 is a schematic view of the overall structure of the top surface in fig. 1.
Fig. 4 is a diagram showing an arrangement of positions of indicator lamps in embodiment 1.
Marking in the accessory: 1-platform frame body, 11-fixed flat plate, 12-mesh plate, 13-jack plate, 14-movable door, 141-door lock, 142-hinge, 15-closed space, 16-roller, 2-touch screen, 3-operation and display element group, 31-operation and display element group jack, 4-stepping motor, 41-stepping motor screw rod, 42-track I, 43-connecting piece I, 44-stepping motor driver, 45-stepping motor driving signal and power supply jack, 5-servo motor, 51-servo motor screw rod, 52-track II, 53-connecting piece II, 54-servo motor driver, 55-servo motor driving signal and power supply jack, 56-support, 57-slide rail, 58-three sliding blocks, 6-drawing pens, 61-pen clamping devices, 62-drawing paper, 7-limit switches, 8-controller PLC1 and related expansion modules, 81-controller PLC1 and input and output terminal jacks of related expansion modules, 91-first low-voltage electrical appliance group, 92-second low-voltage electrical appliance group, 93-third low-voltage electrical appliance group, 94-second low-voltage electrical appliance group, 95-second low-voltage electrical appliance group, 96-second low-voltage electrical appliance group, 10-power supply jack, 17-24V DC stabilized power supply and switch, 18-first frequency converter and 19-cable.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The described embodiments are only some embodiments of the invention, not all embodiments. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and all of them should fall into the protection scope of the present invention.
As shown in fig. 1-3, a multi-type motor comprehensive practical training platform includes related components of a platform frame 1, a touch screen 2, an operation and display component group 3, related components of a stepping motor 4, related components of a servo motor 5, related components of a drawing pen 6, a connection jack 31 for an operation and display component group, a connection jack 45 for a stepping motor driving signal and a power supply, a connection jack 55 for a servo motor driving signal and a power supply, a controller PLC1 and a related expansion module 8, a connection jack 81 for an input terminal and an output terminal of a controller PLC1 and a related expansion module, a connection jack 91 for a low-voltage electrical appliance group, a connection jack 92 for a low-voltage electrical appliance group, a connection jack 93 for a low-voltage electrical appliance group, a connection jack 94 for a low-voltage electrical appliance group, a connection jack 95 for a low-voltage electrical appliance group, a connection jack 96 for a low-voltage electrical appliance group, a connection jack 10, and a first frequency converter 18.
The platform frame body 1 is made of European standard industrial aluminum alloy section bars and is connected with a built cuboid frame through corresponding connecting pieces; fixed flat plate 11 is all installed to platform support body 1's top surface and bottom surface, in this embodiment, fixed flat plate 11 adopt the aluminum product flat board. Mesh plates 12 made of insulating plates are fixedly connected to four side surfaces of the platform frame body 1 in an embedded mode, jack plates 13 are fixedly connected to the mesh plates 12 on the front surface and the back surface of the platform frame body through fixing pieces, and jack holes of a plurality of components are formed in the jack plates 13; the mesh plates 12 on the left side surface and the right side surface are fixedly connected with components through fixing pieces; the left side and the right side of the platform frame body 1 are provided with a movable door 14, one side of the movable door 14 is connected with the frame through a hinge 142, and the opposite end of the movable door 14 and the hinge 142 is fixedly connected with the frame of the platform frame body through a door lock 141 in an openable manner; a closed space is formed between the movable door 14 and the mesh plates 12 on the left side and the right side, and patch cords, instruments, tools or low-power three-phase asynchronous motors used for connecting elements of experimental training items can be stored in the closed space. The bottom of the platform frame body 1 is fixedly connected with a roller.
The touch screen 2 and the operation and display element group 3 are arranged on one side of the top surface of the platform frame body 1, and the stepping motor 4 and the servo motor 5, as well as drivers and transmission components of the stepping motor 4 and the servo motor 5 are arranged on the other side of the top surface of the platform frame body 1.
The other side of the top surface of the platform frame body 1 is fixedly provided with a stepping motor 4 arranged in the east-west direction, the output end of the stepping motor 4 is in transmission connection with a stepping motor lead screw 41, and a servo motor 5 arranged in the north-south direction is in transmission connection with the stepping motor lead screw 41; a first rail 42 set along the screw 41 of the stepping motor is arranged on the upper side and the lower side of the screw 41 of the stepping motor, a first sliding block is connected on the first rail 42 in a sliding manner, a first connecting piece 43 is integrally formed on the first sliding block or fixedly connected with the first sliding block through a fastener or welded, a first fixing nut acting on the screw 41 of the stepping motor is fixedly connected on the first connecting piece 43, and the internal thread of the first fixing nut is matched with the thread of the screw 41 of the stepping motor; the lower side of the first connecting piece 43 is fixedly connected with a servo motor 5 assembly; the servo motor 5 can move along the screw 41 of the stepping motor in east-west direction along with the rotation of the screw 12 of the stepping motor.
The output end of the servo motor 5 is in transmission connection with a servo motor lead screw 51, and the servo motor lead screw 51 is in transmission connection with a drawing pen 6; a second rail 52 set along the servo motor screw 51 is arranged on the upper side and the lower side of the servo motor screw 51, a second sliding block is mounted on the second rail 52, and a second connecting piece 53 is integrally formed on the second sliding block or fixed on the second sliding block through a fastener or welding; the second connecting piece 53 is fixedly connected with a second fixing nut acting on the servo motor screw rod 51, and the internal thread of the second fixing nut is matched with the thread of the servo motor screw rod 51; the orientation of the second connecting piece 53 is that the touch screen 2 and one side of the operation and display element group 3 are fixedly connected with a pen clamping device 61, and the pen clamping device 61 is detachably and fixedly connected with the drawing pen 6. The drawing pen 6 can move along the south and north directions of the servo motor screw 51 along with the rotation of the servo motor screw 51; so that the drawing pen 6 can move in the east-west direction and the north-south direction under the action of the stepping motor 4 and the servo motor 5. In the movable range of the drawing pen 6, drawing paper 62 is placed on the fixed flat plate on the top surface, and the stepping motor and the servo motor can draw or write on the drawing paper through the control of the controller and the driver.
Two ends of the first rail 42 and the second rail 52 are respectively provided with a limit switch 7 through fasteners; in the present embodiment, the limit switch 7 and the operation mode of the limit switch 7 are both the conventional limit switch and the conventional operation mode which are already disclosed.
The stepping motor 4 and the servo motor 5 are respectively connected with a stepping motor driver 44 and a servo motor driver 54 through wires, and the stepping motor driver 44 and the servo motor driver 54 are fixedly installed on the top surface of the platform frame body 1.
A plurality of low-voltage electric appliance groups 91, 92 and 93, low-voltage electric appliance group interfaces 94, 95 and 96, frequency converters 18, 24V direct-current stabilized power supply and switch 17, a controller PLC1 and related expansion modules 8, input and output terminal jacks 81, signal component jacks and power supply jacks 10 of a controller PLC1 and related expansion modules are mounted on a mesh plate 12 on the side surface of the platform frame body 1.
The front surface of the platform frame body 1 is provided with an operation and display element group jack 31, a stepping motor driving signal and power jack 45, a servo motor driving signal and power jack 55, a controller PLC1 and an input and output terminal jack 81 of a related expansion module, a low-voltage electrical appliance group one jack 94, a low-voltage electrical appliance group two jack 95, a low-voltage electrical appliance group three jack 96 and a power jack 10; the components mounted on the back surface of the platform frame body 1 are similar to the components mounted on the front surface;
the right side surface of the platform frame body 1 is provided with a first low-voltage electric appliance group 91, a second low-voltage electric appliance group 92, a third low-voltage electric appliance group 93, a 24V direct-current stabilized power supply and switch 17, a controller PLC1, a related expansion module 8 and a first frequency converter 18; the components mounted on the left side surface of the platform frame body are similar to those mounted on the right side surface;
all wiring terminals on a controller PLC1 and a related expansion module 8, a first frequency converter 18, a first low-voltage electric appliance set 91, a second low-voltage electric appliance set 92 and a third low-voltage electric appliance set 93 on the right side surface of the platform frame body 1 are connected to corresponding plug holes on the front surface through electric wires via a wire groove; all wiring terminals of corresponding components on the left side surface of the platform frame body 1 are connected to corresponding jack holes on the back surface through wire grooves; the touch screen 2 is connected to a corresponding communication port of the controller PLC through a data communication cable 19; the signals and power lines of the servo motor driver 54 and the stepping motor driver 44 are respectively connected to the servo motor driving signal and power jack 55 and the stepping motor driving signal and power jack 45 through cables 19; the connection terminals of the operating and display element group 3 are connected to the operating and display element group connection holes 31 on the front and back of the platform frame body 1 respectively through cables 19.
The touch screen 2 has a serial communication port and an ethernet communication port, and can be simultaneously connected with the controller PLC1 on the right side of the platform body 1 and the controller PLC1 on the related expansion module 8, and the controller PLC2 on the left side of the platform body 1 and the controller PLC2 on the related expansion module.
The operating and display element group 3 includes 16 lighted buttons and 4 changeover switches in which the indicator lights are 4 red, 4 green, 4 yellow, and 4 white, respectively, arranged in a 4 × 4 manner.
The position and the color of the indicator light are placed so as to facilitate the development of traffic light control experiments; in this embodiment, the mode of arranging of pilot lamp colour is as shown in fig. 4, sets up four white pilot lamps in the centre, and the left side of four white pilot lamps is red, green, yellow tristimulus respectively from last to down, and the downside of four white pilot lamps is red, yellow, green tristimulus respectively from a left side to the right side in proper order, and the right side of four white pilot lamps is supreme red, green, yellow tristimulus respectively down, and the upside of four white pilot lamps is red, yellow, green tristimulus respectively from a right side to a left side in proper order.
The power supply socket 10 comprises three-phase four-wire system power jacks (containing 4 of L1, L2, L3, N and the like) arranged at the outlet end of a three-phase four-wire residual current circuit breaker on the right side surface of the platform frame body, power output end jacks (containing 3 of U, V, W and the like) of a frequency converter and direct-current 24V power jacks (containing 2 of + and-the like).
The first low-voltage electric appliance group 91 comprises 1 three-phase four-wire leakage circuit breaker for controlling all component power supplies, 1 three-phase circuit breaker for controlling a frequency converter power supply, 1 single-phase circuit breaker for controlling a controller PLC1 and a related expansion module power supply, 1 single-phase circuit breaker for controlling a touch screen power supply, and 1 single-phase circuit breaker for controlling a 24V direct-current stabilized power supply and a switch power supply;
the second low-voltage electric appliance group 92 comprises 3 alternating-current contactors with coil voltage of AC 220V and 3 11-pin intermediate relays with coil voltage of DC 24;
the third low-voltage electric power unit 93 includes 2 thermal relays, 2 time relays, and 2 travel switches.
The 24V direct-current stabilized power supply and switch 17 comprises a 24V direct-current stabilized power supply and a switch; the 24V direct-current stabilized power supply is a direct-current 24V power supply which is used for converting single-phase alternating current into stable short-circuit protection and is used for other components of the practical training platform; the switch is used for connecting the PLC1 and the touch screen with a programming computer and communicating data. If the PLC1 on the left side surface adopts Mitsubishi PLC and a corresponding expansion module, the switch is not arranged, and the touch screen is connected with the controller PLC2 and the programming computer through a serial communication cable.
The controller PLC1 and the related expansion module 8 adopt the same/related controllers and expansion modules with the PLC2 model installed in the left side controller PLC2 and the related expansion module of the platform frame body 1; or the controller PLC1 and the related expansion module 8 adopt different controllers and expansion modules with the PLC2 model installed in the platform frame body left side controller PLC2 and the related expansion module. The controller PLC1 and the PLC1 model in the related expansion modules are Siemens S7-200 SMART CPU ST40, and the expansion modules are EM DR08 and EM AM06 respectively; the PLC2 model number is Mitsubishi FX3U-48MT/ES-A which is arranged in the left side controller PLC2 of the platform frame body and the related expansion module, the expansion modules are FX2N-8EYR and FX3U-3A-ADP respectively, and the controller PLC2 and the related expansion module can also be selected to be the same as the controller PLC1 and the related expansion module. The number of experimental training sets can be increased by using the same type of controller PLC and the same type of expansion module; the controller PLC and the extension module of different models are selected to enable students to master the use of the PLCs of different models.
The first frequency converter 18 is a Siemens MM440 frequency converter or a G120 frequency converter, and the second frequency converter is installed on the left side face of the platform body and is a Mitsubishi FR-D740 frequency converter or a frequency converter with the same type as the right side face.
The components and the plug jacks arranged on the top surface, the front surface, the back surface, the left side surface and the right side surface of the platform frame body 1 are provided with corresponding electric character marks.
If the components mounted on the left side surface and the right side surface of the platform frame body 1 are not explained, the quantity and specification models of the components at the corresponding positions are the same.
In this embodiment, the connection mode of each electronic component is a conventional connection processing mode, and this technical solution does not make any beneficial improvement on it, and is not repeated here.
The working principle is as follows: taking the top surface element device, the front surface element device and the right surface element device of the platform frame 1 as an example, the working principle of the practical training platform is briefly described by taking the control of the stepping motor 4 as a carrier, buttons, change-over switches and indicator lamps used in the project on the patch socket of the operation and display element group are respectively connected to the corresponding input and output ends 81 of the controller PLC1 and the relevant expansion module patch socket by using patch cords, the driving signals of the servo motor 5, the driving signals of the stepping motor 4 and the relevant control lines of the stepping motor 4 on the power supply patch socket 10 are connected to the corresponding output ends 81 on the patch socket of the controller PLC1 and the relevant expansion module by using the patch cords, and the power supply ends of the stepping motors on the servo motor driving signal patch socket 55 and the stepping motor driving signal patch socket 45 are connected with the direct current 24; if the three-phase asynchronous motor needs to be controlled, the coils of the alternating current contactor used in the project in the second patch jack 95 of the low-voltage electrical appliance set and the third patch jack 96 of the low-voltage electrical appliance set are connected with the output end of the digital extension module EM DR8 of the controller PLC1 and the related extension module through an alternating current 220V power supply by using patch cords, the main contact inlet wire ends of the alternating current contactors in the second patch jack of the low-voltage electrical appliance set and the third patch jack of the low-voltage electrical appliance set are connected with a three-phase alternating current power supply on the power supply patch jack by using the patch cords, the main contact outlet wire ends of the alternating current contactors are connected with the hot element inlet wire ends of the hot relays used in the project in the second patch jack of the low-voltage electrical appliance set and the third patch jack of the low-voltage electrical appliance set by using the patch cords, the hot element outlet ends of the hot relays are connected with the three-phase asynchronous motor by using the patch cords, and the normally open or normally closed, the three-phase asynchronous motor is connected into a corresponding star or triangle according to the connection mode of the stator windings, and the subdivision number and the current value of the stepping motor driver are set; then the practical training platform is connected with a three-phase four-wire system power supply, a breaker of a component power supply used in the project in the first low-voltage electric appliance set is closed, a programming computer is started, a control program of the project compiled by the programming software is opened and downloaded to a controller PLC1 and a controller PLC1 of a related expansion module through an Ethernet network cable, then configuration software of a touch screen 2 is opened, a corresponding interface and a corresponding control are configured and downloaded to the touch screen 2 through the Ethernet network cable, a corresponding button or a change-over switch in an operation and display element set 3 is pressed or changed over, the rotation conditions of the stepping motor and the three-phase alternating current asynchronous motor are observed, the on-off conditions of indicator lamps in the operation and display element set 3 are observed, or the rotation conditions of the stepping motor and the three-phase alternating current asynchronous motor and the on-off conditions of the indicator lamps in the touch screen 2 are observed by pressing the configured control on the touch screen 2, and if the rotation conditions of the stepping motor and the three-phase alternating current If the control requirements are not consistent, the control programs in the controller PLC1 of the perfect controller PLC1 and the related expansion modules need to be modified until the control requirements are met.
Claims (10)
1. A multi-type motor comprehensive training platform comprises a platform frame body (1), wherein the platform frame body is a rectangular frame; the method is characterized in that: the touch screen type touch screen platform is characterized in that fixing flat plates (11) are mounted on the top surface and the bottom surface of the platform frame body (1), the fixing flat plates are located on the top surface of the platform frame body (1), a touch screen (2) and an operation and display element set (3) are mounted on one side of the fixing flat plates, a stepping motor (4), a servo motor (5), drivers of the stepping motor (4) and the servo motor (5) and a transmission assembly are mounted on the other side of the top surface of the platform frame body (1); mesh plates (12) are arranged on four side surfaces of the platform frame body (1), and components and component jacks are mounted on the mesh plates (12); a plurality of low-voltage electric appliance sets, low-voltage electric appliance set interfaces, a frequency converter, a 24V direct-current stabilized power supply, a switch, a controller PLC and related expansion modules, input and output terminal jacks of the controller PLC and the related expansion modules, signal component jacks and power supply jacks are arranged on a mesh plate (12) on the side surface of the platform frame body (1).
2. The comprehensive practical training platform for the multiple types of motors according to claim 1, characterized in that: the other side of the top surface of the platform frame body (1) is fixedly provided with a stepping motor (4) arranged in the east-west direction, the output end of the stepping motor (4) is in transmission connection with a stepping motor lead screw (41), the stepping motor lead screw (41) is in transmission connection with a servo motor (5) arranged in the north-south direction, and the servo motor (5) can move in the east-west direction along the stepping motor lead screw (41) along with the rotation of the stepping motor lead screw (41); the output end of the servo motor (5) is in transmission connection with a servo motor lead screw (51), the servo motor lead screw (51) is in transmission connection with a drawing pen (6), and the drawing pen (6) can move in the north-south direction along with the servo motor lead screw (51) along with the rotation of the servo motor lead screw (51); step motor (4) and servo motor (5) be connected with step motor driver (44) and servo motor driver (54) through the wire, step motor driver (44) and servo motor driver (54) fixed mounting are on the top surface of platform support body (1).
3. The comprehensive practical training platform for the multiple types of motors according to claim 1, characterized in that: the touch screen (2) is provided with a serial communication port and an Ethernet communication port, and can be simultaneously connected with a controller PLC1 on a right side controller PLC1 and a related expansion module (8) of the platform frame body (1), and a controller PLC2 on a left side controller PLC2 and a related expansion module of the platform frame body (1).
4. The multi-type motor comprehensive practical training platform according to any one of claims 1-3, wherein: the front surface of the platform frame body (1) is provided with an operation and display element group plug jack (31), a stepping motor driving signal and power supply plug jack (45), a servo motor driving signal and power supply plug jack (55), a controller PLC1 and an input and output terminal plug jack (81) of a related expansion module, a low-voltage electrical appliance group one plug jack (94), a low-voltage electrical appliance group two plug jack (95), a low-voltage electrical appliance group three plug jack (96) and a power supply plug jack (10); the components mounted on the back surface of the platform frame body (1) are similar to the components mounted on the front surface;
a first low-voltage electric appliance set (91), a second low-voltage electric appliance set (92), a third low-voltage electric appliance set (93), a 24V direct-current stabilized power supply and switch (17), a controller PLC1, a related expansion module (8) and a first frequency converter (18) are arranged on the right side surface of the platform frame body (1); the components mounted on the left side surface of the platform frame body (1) are similar to those mounted on the right side surface;
all wiring terminals on a controller PLC1 and a related expansion module (8), a first frequency converter (18), a first low-voltage apparatus set (91), a second low-voltage apparatus set (20) and a third low-voltage apparatus set (21) on the right side surface of the platform frame body (1) are connected to corresponding plug holes on the front surface through wire grooves; all the wiring terminals of the corresponding components on the left side surface and the right side surface of the platform frame body (1) are connected to corresponding jack holes on the back surface through the wire grooves by wires; the touch screen (2) is connected to a corresponding communication port of the controller PLC through a data communication cable; the signals and the power lines of the servo motor driver (54) and the stepping motor driver (44) are respectively connected to the driving signals and the power supply jacks of the servo motor (5) and the stepping motor (4) through cables; and the wiring terminals on the operation and display element group (3) are respectively connected to the operation and display element group jack on the front surface and the back surface of the platform frame body (1) through cables.
5. The multi-type motor comprehensive practical training platform according to claim 4, characterized in that: the power supply jack (10) comprises a three-phase four-wire system power supply jack arranged at the leading-out end of the three-phase four-wire leakage circuit breaker on the right side surface of the platform frame body (1), a power supply output end jack of the first frequency converter (18) and a direct current 24V power supply jack.
6. The multi-type motor comprehensive practical training platform according to claim 4, characterized in that: the first low-voltage electric appliance group (91) comprises 1 three-phase four-wire electric leakage circuit breaker for controlling all component power supplies, 1 three-phase circuit breaker for controlling a frequency converter power supply, 1 single-phase circuit breaker for controlling a controller PLC1 and a related expansion module (8) power supply, 1 single-phase circuit breaker for controlling a touch screen (2) power supply, and 1 single-phase circuit breaker for controlling a 24V direct-current stabilized power supply and a switch (17) power supply;
the second low-voltage battery set (92) comprises 3 alternating-current contactors with coil voltage of AC 220V and 3 11-pin intermediate relays with coil voltage of DC 24;
and the third low-voltage electric appliance group (93) comprises 2 thermal relays, 2 time relays and 2 travel switches (7).
7. The multi-type motor comprehensive practical training platform according to claim 4, characterized in that: the 24V direct-current stabilized power supply and the switch (17) comprise a 24V direct-current power supply which converts single-phase alternating current into stable short-circuit protection, and a switch which is used for connecting the PLC1 and the touch screen (2) with a programming computer and communicating data; the touch screen (2) is connected with the controller PLC2 and the programming computer through a serial communication cable.
8. The multi-type motor comprehensive practical training platform according to claim 4, characterized in that: the controller PLC1 and the related expansion module (8) adopt the same/related controllers and expansion modules with the PLC2 installed on the left side surface of the platform frame body (1) and the PLC2 model in the related expansion module; or the controller PLC1 and the related expansion module (8) adopt different controllers and expansion modules with the PLC2 types installed in the left side controller PLC2 and the related expansion module of the platform frame body (1).
9. The multi-type motor comprehensive practical training platform according to claim 4, characterized in that: the left side surface and the right side surface of the platform frame body (1) are provided with movable doors (14), and one side of each movable door (14) is connected with the frame through a hinge (142); the opposite end of the movable door and the hinge (142) is fixedly connected with the frame of the platform frame body (1) in an openable way through a door lock (141); a closed space is formed between the movable door (14) and the mesh plates (12) on the left side and the right side, and patch cords, instruments, tools or low-power three-phase asynchronous motors used for connecting elements of experimental training items can be stored in the closed space.
10. The multi-type motor comprehensive practical training platform according to claim 4, characterized in that: the components and the plug sockets mounted on the top surface, the front surface, the back surface, the left side surface and the right side surface of the platform frame body (1) are provided with corresponding electric character marks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010144189.7A CN111210703A (en) | 2020-03-04 | 2020-03-04 | Multi-type motor comprehensive training platform |
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| CN202010144189.7A CN111210703A (en) | 2020-03-04 | 2020-03-04 | Multi-type motor comprehensive training platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111816039A (en) * | 2020-08-03 | 2020-10-23 | 天津中德应用技术大学 | Electromechanical transmission control system and control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111816039A (en) * | 2020-08-03 | 2020-10-23 | 天津中德应用技术大学 | Electromechanical transmission control system and control method |
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