CN221149509U - Test platform for simulating three-phase alternating current power supply electric circuit - Google Patents
Test platform for simulating three-phase alternating current power supply electric circuit Download PDFInfo
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- CN221149509U CN221149509U CN202322600299.1U CN202322600299U CN221149509U CN 221149509 U CN221149509 U CN 221149509U CN 202322600299 U CN202322600299 U CN 202322600299U CN 221149509 U CN221149509 U CN 221149509U
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- 238000012360 testing method Methods 0.000 title claims abstract description 32
- 238000004088 simulation Methods 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 3
- 238000012549 training Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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Abstract
The utility model provides a test platform for simulating an electric circuit of a three-phase alternating current power supply, and particularly relates to the technical field of teaching experiment test tables. The utility model provides an analog three-phase alternating current power supply electrical circuit test platform, includes testboard and testboard frame, is provided with alternating current contactor control panel and display wiring panel in the testboard frame, is provided with testboard control unit board on the testboard, and testboard control unit inboard is provided with PLC control module. The utility model has the beneficial effects that: the utility model adopts a control voltage contactor and the like as practical training electrical components, and electrifies the test environment on an analog three-phase alternating current contactor control electrical circuit test platform controlled by a low-voltage direct current switch power supply and a PLC, when the wiring of an alternating current contactor control electrical board is short-circuited, the low-voltage direct current switch power supply is utilized to automatically cut off the power protection characteristic, and the scheme achieves the purposes of not damaging the electrical components and preventing the short circuit from igniting.
Description
Technical Field
The utility model mainly relates to the technical field of teaching experiment test tables, in particular to a test platform for simulating an electric circuit of a three-phase alternating current power supply.
Background
In the teaching of universities, the electric circuit installation practical training course is the basic practical training course of the major such as electromechanical application technical major, electric automation, control automation and the like, and the purpose is to make us possess comprehensive application electrician basic knowledge ability and direct working electrician operation skills, students carry out electric device and circuit installation on a main circuit and a control circuit of an electric control circuit through learning an electric schematic diagram and an electric installation diagram, and then carry out electrifying verification control principle and wiring correctness after the installation is completed.
Because students' expertise and operating skills are uneven, the wiring of an electric control board can generate phenomena of open circuit, short circuit and error connection, various problems can occur in an electrifying test link, the phenomena of incorrect electrifying action, short circuit flaming, damage to electric components and the like exist, a butt joint circuit is required to be tested, inspected and corrected, the safety voltage of a human body is 36V, and the power supply of the currently used electric control circuit test platform adopts three-phase four-wire alternating current 380V voltage, so that electric shock hidden danger can occur due to improper operation and even life health safety of students is endangered, therefore, the utility model provides the electric circuit test platform for simulating the three-phase alternating current power supply.
Disclosure of utility model
In order to solve the defects in the prior art, the utility model provides a test platform for simulating an electric circuit of a three-phase alternating current power supply, which is used for researching an implementation scheme of a safety platform and solving the three technical problems of three-phase alternating current characteristics, no ignition caused by short circuit and no electric shock hidden danger.
The utility model aims to achieve the aim, and the aim is achieved by the following technical scheme:
The utility model provides a simulation three-phase alternating current power supply electrical circuit test platform, includes testboard and testboard frame, be provided with alternating current contactor control panel and demonstration wiring panel in the testboard frame, be provided with testboard control unit board on the testboard, testboard control unit board is including simulation three-phase motor, motor operation pilot lamp, simulation three-phase alternating current power supply module, the inside PLC control module that is provided with of testboard control unit board.
The simulated three-phase motor adopts six relays to replace six coil windings in the alternating-current motor.
The analog three-phase alternating current power supply module enters a switching power supply from a two-phase alternating current power supply AC220V, and DC24V and DC12V voltages are output by the switching power supply.
And the PLC control module is used for forming an analog motor code by six normally open contacts of the relay in the analog alternating current motor module, inputting the analog motor code into the PLC controller for program compiling and outputting an analog alternating current motor running state signal.
The analog three-phase alternating current power supply module comprises a switching power supply, a power switch, a power indicator lamp and a wiring socket.
The PLC control module comprises an emergency stop button, an input contact, a PLC programmable controller and an analog alternating current motor running state relay.
Compared with the prior art, the utility model has the beneficial effects that:
The utility model adopts a control voltage contactor and the like as practical training electrical components, and electrifies the test environment on an analog three-phase alternating current contactor control electrical circuit test platform controlled by a low-voltage direct current switch power supply and a PLC, when the wiring of an alternating current contactor control electrical board has a short circuit, the low-voltage direct current switch power supply is utilized to automatically cut off the power protection characteristic, the scheme achieves the purposes of not damaging the electrical components and preventing the short circuit from flaming, and the low-voltage direct current power supply is also used for electrifying the electrical control board, thereby guaranteeing the safety of personnel and avoiding potential safety hazards. An electrician skill practice platform with high safety and good reliability is created for students. The platform adopts a modularized design, and has the characteristics of compact structure, reasonable layout, easy maintenance and the like. The PLC module is adopted for function control, so that the system has good expansibility. The practical training instruction teacher can design practical training items for teaching in a targeted manner according to the actual mastering conditions of students.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an electrical diagram of a test platform according to the present utility model.
The reference numbers shown in the drawings: 1. a test bench; 2. a test stand rack; 3. an ac contactor control board; 4. displaying a wiring panel; 5. a test board control unit board; 6. simulating a three-phase motor; 7. the motor operates the pilot lamp; 8. simulating a three-phase alternating current power supply module; 9. and the PLC control module.
Detailed Description
The utility model will be further described with reference to the accompanying drawings and specific embodiments. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the utility model, and equivalents thereof fall within the scope of the utility model as defined by the claims.
Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of the parts adopt conventional means such as mature bolts, rivets, welding, pasting and the like in the prior art, and meanwhile, in order to clearly express the connection relation and working principle among the components, the drawings of the specification are arranged and drawn in a mode of a mechanism motion diagram, and are not described in detail.
As shown in fig. 1, the test platform for simulating the electric circuit of the three-phase alternating current power supply comprises a test bench 1 and a test bench rack 2, wherein an alternating current contactor control board 3 and a display wiring panel 4 are arranged on the test bench rack 2, a test bench control unit board 5 is arranged on the test bench 1, the test bench control unit board 5 comprises a simulated three-phase motor 6, a motor running indicator lamp 7 and a simulated three-phase alternating current power supply module 8, and a PLC control module 9 is arranged inside the test bench control unit board 5.
The simulated three-phase motor 6 adopts six relays to replace six coil windings in the alternating-current motor, and the three-phase alternating-current motor operates in four states: the PLC outputs and controls four relays to respectively control four running states of the direct current motor, and the four running states are represented by 4 indicator lamps to form an analog three-phase alternating current motor conversion module.
The analog three-phase alternating current power supply module 8 enters a switching power supply from a two-phase alternating current power supply AC220V, DC24V and DC12V voltages are output by the switching power supply, DC24V power supply wires are arranged into A, B, C three phases according to negative, positive and positive three wires, the three wires are led into connecting terminals, the analog three-phase alternating current power supply is output, and 3 indicator lamps are used for respectively indicating A, B, C three-phase power supply.
The PLC control module 9 is used for forming an analog motor code by six normally open contacts of a relay in the analog alternating current motor module, inputting the analog motor code into a PLC controller for program compiling and outputting an analog alternating current motor running state signal.
Further, the analog three-phase ac power module 8 includes a switching power supply, a power switch, a power indicator, and a connection socket.
Further, the PLC control module 9 includes a scram button, an input contact, a PLC programmable controller, and an analog ac motor operating status relay.
Working principle:
an alternating-current contactor control electric board is placed on a panel of a test platform, an analog three-phase alternating-current power supply is led into a power inlet end of the electric board through a patch cord, a motor terminal of the electric board is connected into the power inlet end of the analog motor through a patch cord, and a power supply is connected by rotating an emergency stop switch. And observing the three-phase indicator lamp, wherein the bright indicator lamp indicates that the electric board has no short circuit phenomenon, and the non-bright indicator lamp indicates that the electric board has short circuit phenomenon, so that short circuit fault points need to be checked and removed. And pressing a start button and a stop button on the electric board to observe whether the motor operates or not and whether the operation condition is correct or not. And line detection is required to be carried out when the requirements are not met, wrong wiring points are eliminated, and a correct control state is realized.
Claims (3)
1. The utility model provides a simulation three-phase alternating current power supply electrical circuit test platform, includes testboard (1) and testboard frame (2), its characterized in that, be provided with AC contactor control panel (3) and demonstration wiring panel (4) on testboard frame (2), be provided with testboard control unit board (5) on testboard (1), testboard control unit board (5) are including simulation three-phase motor (6), motor operation pilot lamp (7), simulation three-phase alternating current power supply module (8), be provided with PLC control module (9) inside testboard control unit board (5);
The simulated three-phase motor (6) adopts six relays to replace six coil windings in the alternating-current motor;
The analog three-phase alternating current power supply module (8) enters a switching power supply from a two-phase alternating current power supply AC220V, and outputs DC24V and DC12V voltages from the switching power supply;
And the PLC control module (9) is used for forming an analog motor code by six normally open contacts of the relay in the analog alternating current motor module, inputting the analog motor code into the PLC controller for program compiling and outputting an analog alternating current motor running state signal.
2. An analog three-phase ac power supply electrical circuit testing platform according to claim 1, wherein said analog three-phase ac power supply module (8) comprises a switching power supply, a power switch, a power indicator, a wiring socket.
3. The simulated three-phase ac power electrical circuit testing platform of claim 1, wherein said PLC control module (9) comprises a scram button, an input contact, a PLC programmable controller, a simulated ac motor operating status relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322600299.1U CN221149509U (en) | 2023-09-25 | 2023-09-25 | Test platform for simulating three-phase alternating current power supply electric circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322600299.1U CN221149509U (en) | 2023-09-25 | 2023-09-25 | Test platform for simulating three-phase alternating current power supply electric circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221149509U true CN221149509U (en) | 2024-06-14 |
Family
ID=91431160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322600299.1U Active CN221149509U (en) | 2023-09-25 | 2023-09-25 | Test platform for simulating three-phase alternating current power supply electric circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221149509U (en) |
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2023
- 2023-09-25 CN CN202322600299.1U patent/CN221149509U/en active Active
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