CN211349846U - Electric appliance training platform control circuit - Google Patents
Electric appliance training platform control circuit Download PDFInfo
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- CN211349846U CN211349846U CN202020321697.3U CN202020321697U CN211349846U CN 211349846 U CN211349846 U CN 211349846U CN 202020321697 U CN202020321697 U CN 202020321697U CN 211349846 U CN211349846 U CN 211349846U
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Abstract
The utility model relates to an electric appliance practical training platform control circuit, which comprises a computer host with a built-in simulation device and a PLC controller connected with the computer host, wherein the PLC controller is connected with a touch display screen to form a simulation loop; the circuit still includes binding post row, binding post row has PLC analog input interface, PLC analog output interface, converter analog input and load, step motor binding post, provides stable control circuit for corresponding electrical apparatus teaching device, has realized the teaching device circuit control mode of the combination of analog simulation device and actual connection training, and the control circuit stability of having solved traditional real platform device of instructing is not high, and the cost is with high costs, the loaded down with trivial details scheduling problem of circuit structure.
Description
Technical Field
The utility model relates to an emulation device field specifically is an electric appliance practical training platform control circuit.
Background
With the increasingly beautiful social life and the rapid development of science and technology, the national demand for skilled talents is increasing. Under the background of the time of the change, some governments and training organizations also vigorously develop and practice the cultivation and encouragement of talents with practical skills! In 2019, the social security of manpower advocated in Beijing: by the end of 2021, the proportion of skilled workers in this market to the total amount of employment reaches thirty percent, and the proportion of highly skilled workers to the skilled workers reaches thirty-three percent. The technical training is developed around the links of the enterprise staff before the post and the post, and two links are grasped practically. Meanwhile, a novel apprentice culture plan of 'recruitment and survival, enterprise and school dual-system combined culture' is implemented, a culture mechanism of 'co-construction speciality, co-culture talents and co-construction base' is deepened, and high-skill talent research and repair training is carried out on enterprise organizations to provide enterprise research and repair patches.
However, the technical level of the property electrician needs to be improved compared with the technical level of the mechanic repair electrician, the intelligent electrician and other electricians, and many electricians are engaged in the property field for years, but only simple repair wiring, maintenance and record are needed, and even some electricians are not well understood with the most basic relay control circuit. Lack corresponding teaching device and real standard platform.
And, real standard platform of electrician on the market at present, connect, peg graft after, when carrying out the circular telegram test, if do not in time discover wrong tie point possibility that the short circuit can appear, the light person can make insurance or fuse fusing, equipment or components and parts damage, the serious person can produce the incident, provide corresponding safe and reliable's electrical apparatus teaching device and stable control circuit more, it is not high to overcome traditional real control circuit stability of instructing platform device, the cost is with high costs has also just become the problem of waiting to solve urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a real platform control circuit of instructing of electrical apparatus is provided to solve the defect that exists among the prior art.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
an electric appliance practical training platform control circuit comprises a computer host with a built-in simulation device and a PLC (programmable logic controller) connected with the computer host, wherein the PLC is connected with a touch display screen to form a simulation loop; the circuit further comprises a wiring terminal block, wherein the wiring terminal block is provided with a PLC analog input interface, a PLC analog output interface, a frequency converter analog input and load and a stepping motor wiring terminal, the PLC analog input interface is connected with an external handheld signal generator and used for receiving a setting signal, the PLC analog output interface is sequentially connected with a PLC controller and a touch display screen in series, the frequency converter analog input and load and the stepping motor wiring terminal are respectively connected with the external handheld signal generator and used for receiving the setting signal, and the frequency converter analog input and load and the stepping motor wiring terminal are respectively connected with a frequency converter and a stepping motor driver through signal output ends of the wiring terminal block and used for driving the frequency converter and the driving motor;
further, the PLC is sequentially connected with the button switch, the alternating current contactor and the external power supply in series; a plurality of intermediate relays for respectively controlling the on-off of signals are arranged between the wiring terminal block and the PLC, between the wiring terminal block and the frequency converter and between the wiring terminal block and the stepping motor driver;
further, the external power supply is connected with a switching power supply, and after the switching power supply converts alternating current AC220V into DC24V, the switching power supply is respectively connected with a PLC direct current power supply and a touch display screen power supply;
further, the button switch is connected in series with an indicator light for reminding the switch;
furthermore, the external power supply is connected with three modular sockets, wherein two modular sockets are respectively connected with the touch display screen and the computer host, and the other modular socket is connected with the switching power supply;
furthermore, the simulation devices built in the computer host are a Siemens 37-200 programming device and an S7-200SMART programming device, and the monitoring configuration device is a SIMATIC Wincc flexible SMART V3;
further, a PLC short-circuit protection fuse for preventing the PLC controller from being over-voltage is arranged between the switching power supply and the PLC direct-current power supply;
further, a leakage circuit breaker is arranged between the switching power supply and the alternating current contactor;
furthermore, the computer host is connected with a cooling fan with a cooling function;
furthermore, the wiring terminal block is provided with an EM interface connected with the PLC function extension module;
the utility model has the advantages that: the circuit control method of the teaching device has the advantages that a stable control circuit is provided for the corresponding electric appliance teaching device, the circuit control mode of the teaching device combining the analog simulation device and the actual connection training is realized, and the problems that the stability of the control circuit of the traditional practical training platform device is not high, the manufacturing cost is high, the circuit structure is complicated and the like are solved.
Drawings
Fig. 1 is a schematic diagram of the circuit principle structure of the present invention;
FIG. 2 is a schematic diagram of a circuit structure of a portion of the computer host of the present invention;
FIG. 3 is a schematic diagram of a circuit structure of a practical training simulation part of the present invention;
the reference numerals are explained below:
1. the system comprises a cooling fan, 2, an analog-digital socket, 3, a leakage circuit breaker, 4, an alternating current contactor, 5, a button switch, 6, a PLC short-circuit protection fuse, 7, a switching power supply, 8, a PLC direct current power supply, 9, an intermediate relay, 10, a frequency converter, 11, a stepping motor driver, 12, a wiring terminal row, 121, an EM interface, 122, a PLC analog input interface, 123, a PLC analog output interface, 124, a frequency converter analog input and load, 125, a stepping motor wiring terminal, 13, a touch display screen power supply, 14, a computer host, 15, a touch display screen, 16, a PLC controller, 17 and a handheld signal generator;
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1-3, an electric appliance practical training platform control circuit includes a computer host 14 with a built-in simulation device and a PLC controller 16 connected to the computer host 14, wherein the PLC controller 16 is connected to a touch display screen 15 to form a simulation loop; the circuit further comprises a wiring terminal block 12, wherein the wiring terminal block 12 is provided with a PLC analog input interface 122, a PLC analog output interface 123, a frequency converter analog input and load 124 and a stepping motor wiring terminal 125, the PLC analog input interface is connected with an external handheld signal generator and used for receiving a setting signal, the PLC analog output interface is sequentially connected with a PLC controller and a touch display screen 15 in series, the frequency converter analog input and load and the stepping motor wiring terminal are respectively connected with the external handheld signal generator 17 and used for receiving the setting signal, and the frequency converter analog input and load and the stepping motor wiring terminal are respectively connected with a frequency converter 10 and a stepping motor driver 11 through signal output ends of the wiring terminal block 12 and used for driving the frequency converter and a driving motor;
when the method is implemented specifically, firstly, a simulated control signal is input through the touch display screen and is transmitted to the PLC controller for operation, then the PLC controller calls the simulation device in the computer host for operation, and then a result is output to the touch display screen for display;
after the simulation verification is passed, a user can output various analog signals through the handheld signal generator, and open the switches corresponding to the output ends of the wiring terminal rows to respectively transmit signals to the PLC, the frequency converter or the stepping motor driver to control the corresponding parts to operate, and further the verification is performed in an actual operation mode, so that a good training effect is achieved, and the safety is improved;
the PLC 16 is connected with the button switch 5, the AC contactor 4 and the external power supply in series in sequence; a plurality of intermediate relays 9 for respectively controlling the on-off of signals are arranged between the wiring terminal block 12 and the PLC 16, between the frequency converter 10 and between the wiring terminal block and the stepping motor driver 11;
the external power supply is connected with a switching power supply 7, and the switching power supply 7 converts alternating current AC220V into DC24V and then is respectively connected with a PLC direct current power supply 8 and a touch display screen power supply 13;
in a specific embodiment, the button switch 5 is connected in series with an indicator light for a reminder switch;
in specific implementation, the external power supply is connected with three modular sockets 2, wherein two of the modular sockets are respectively connected with the touch display screen 15 and the computer host 14, and the other modular socket is connected with the switching power supply;
wherein the simulation devices built in the computer host 14 are Siemens 37-200 programming device and S7-200SMART programming device, and the monitoring configuration device is SIMATIC Wincc flexible SMART V3;
a PLC short-circuit protection fuse 6 for preventing the PLC controller from being over-voltage is arranged between the switching power supply 7 and the PLC direct-current power supply 8;
in order to prevent the danger of electric leakage, an electric leakage breaker 3 is arranged between the switching power supply 7 and the alternating current contactor 4;
the computer host 14 is connected with a cooling fan 1 with a cooling function;
the wiring terminal block 12 is provided with an EM interface 121 connected with a PLC function expansion module;
even if the phenomenon that a connecting circuit in the simulation device is in wrong line connection or short circuit occurs is not dangerous at all, the device can prompt that the connection is incorrect, the danger that the short circuit can occur if the wrong connecting point is not found in time when the conventional practical training platform is used for conducting power-on test is avoided, and the safety performance is improved.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. The utility model provides an electric appliance training platform control circuit which characterized in that: the simulation system comprises a computer host with a built-in simulation device and a PLC (programmable logic controller) connected with the computer host, wherein the PLC is connected with a touch display screen to form a simulation loop; the circuit still includes binding post row, binding post row has PLC analog input interface, PLC analog output interface, converter analog input and load, step motor binding post, wherein PLC analog input interface is connected with outside hand-held signal generator and is used for receiving the setting signal, PLC analog output interface establishes ties in proper order with PLC controller and touch display screen, converter analog input and load, step motor binding post are connected with outside hand-held signal generator respectively and are used for receiving the setting signal to signal output part through binding post row is connected with converter and step motor driver respectively and is used for driving converter and driving motor.
2. The electric appliance practical training platform control circuit according to claim 1, characterized in that: the PLC is sequentially connected with the button switch, the alternating current contactor and the external power supply in series; and a plurality of intermediate relays for respectively controlling the on-off of signals are arranged between the wiring terminal block and the PLC, between the wiring terminal block and the frequency converter and between the wiring terminal block and the stepping motor driver.
3. The electric appliance practical training platform control circuit according to claim 2, characterized in that: the external power supply is connected with a switching power supply, and the switching power supply is respectively connected with a PLC (programmable logic controller) direct-current power supply and a touch display screen power supply after converting Alternating Current (AC) 220V into Direct Current (DC) 24V.
4. The electric appliance practical training platform control circuit according to claim 2, characterized in that: the button switch is connected in series with an indicator light for reminding the switch.
5. The electric appliance practical training platform control circuit according to claim 3, characterized in that: the external power supply is connected with three modular sockets, wherein two modular sockets are respectively connected with the touch display screen and the computer host, and the other modular socket is connected with the switching power supply.
6. The electric appliance practical training platform control circuit according to claim 5, characterized in that: and a PLC short-circuit protection fuse for preventing the PLC controller from being in overvoltage is arranged between the switching power supply and the PLC direct-current power supply.
7. The electric appliance practical training platform control circuit according to claim 6, characterized in that: and a leakage breaker is arranged between the switching power supply and the alternating current contactor.
8. The electric appliance practical training platform control circuit according to claim 7, characterized in that: the computer host is connected with a cooling fan with a cooling function, and the wiring terminal block is provided with an EM interface connected with the PLC function expansion module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020321697.3U CN211349846U (en) | 2020-03-16 | 2020-03-16 | Electric appliance training platform control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020321697.3U CN211349846U (en) | 2020-03-16 | 2020-03-16 | Electric appliance training platform control circuit |
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| CN211349846U true CN211349846U (en) | 2020-08-25 |
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| CN202020321697.3U Active CN211349846U (en) | 2020-03-16 | 2020-03-16 | Electric appliance training platform control circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112255998A (en) * | 2020-10-27 | 2021-01-22 | 呼伦贝尔安泰热电有限责任公司扎兰屯热电厂 | Quality judgment function block for DCS analog quantity |
-
2020
- 2020-03-16 CN CN202020321697.3U patent/CN211349846U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112255998A (en) * | 2020-10-27 | 2021-01-22 | 呼伦贝尔安泰热电有限责任公司扎兰屯热电厂 | Quality judgment function block for DCS analog quantity |
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