CN215450595U - Simulation three-phase live display device - Google Patents
Simulation three-phase live display device Download PDFInfo
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- CN215450595U CN215450595U CN202121348537.9U CN202121348537U CN215450595U CN 215450595 U CN215450595 U CN 215450595U CN 202121348537 U CN202121348537 U CN 202121348537U CN 215450595 U CN215450595 U CN 215450595U
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Abstract
The utility model provides a simulation three-phase live display device which comprises a microprocessor, a wired communication module, a wireless communication module, a live indication module, an external control interface and a power module, wherein the wired communication module and the wireless communication module are respectively connected with the microprocessor and used for receiving a live simulation instruction; the microprocessor is connected with the live indication module and the peripheral control interface and is used for responding to the live simulation instruction, controlling the live indication module to display the live state of the circuit and outputting a corresponding action instruction through the peripheral control interface so as to control the action of a corresponding relay; the power module is used for supplying power to the microprocessor, the wired communication module, the wireless communication module and the electrified indication module.
Description
Technical Field
The utility model relates to the field of electric power training, in particular to a simulation three-phase live display device convenient to disassemble and assemble.
Background
In the process of continuous development and improvement of a high-voltage distribution technology, the three-phase electrified display device serving as a detection instrument is an instrument with better economical efficiency and reliability. Whether it can audio-visual some looks of present circuit electrified, when normally electrified, can prevent to open the cabinet door with electricity through relay control electromagnetic lock to unexpected electric shock also can output fault signal when the condition such as existence lacks looks, unbalance reminds the staff. However, in practice, when training is performed, the three-phase live display device needs to be connected with an actual high-voltage circuit, and personal safety of the trainees cannot be guaranteed.
In order to solve the above problems, people are always seeking an ideal technical solution.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a simulation three-phase live display device.
In order to achieve the purpose, the utility model adopts the technical scheme that: a simulation three-phase live display device comprises a microprocessor, a wired communication module, a wireless communication module, a live indication module, an external control interface and a power module, wherein the wired communication module and the wireless communication module are respectively connected with the microprocessor and used for receiving a live simulation instruction;
the microprocessor is connected with the live indication module and the peripheral control interface and is used for responding to the live simulation instruction, controlling the live indication module to display the live state of the circuit and outputting a corresponding action instruction through the peripheral control interface so as to control the action of a corresponding relay;
the power module is used for supplying power to the microprocessor, the wired communication module, the wireless communication module and the electrified indication module.
Based on the above, the wired communication module is an RS485 communication circuit, the RS485 communication circuit includes a dual-channel digital isolation chip and a low-power-consumption RS485 transceiver, and the low-power-consumption RS485 transceiver is respectively connected to the dual-channel digital isolation chip and the 485 interface, and is configured to receive the live simulation instruction through the 485 interface and send the live simulation instruction to the dual-channel digital isolation chip; and the two-channel digital isolation chip is connected with the microprocessor and is used for converting the received live simulation instruction into a digital signal and sending the digital signal to the microprocessor.
Based on the above, the charged indication module includes an a-phase charged indication circuit, an a-phase uncharged indication circuit, a B-phase charged indication circuit, a B-phase uncharged indication circuit, a C-phase charged indication circuit, a C-phase uncharged indication circuit, an experiment indication circuit, an alarm indication circuit and a power indication circuit, each indication circuit includes a triode and a light emitting diode, and a base of the triode is connected to the microprocessor to receive a light emitting indication signal sent by the microprocessor; the light emitting diode is connected in series between 5V direct current and the collector of the triode, and displays different states along with the on-off of the triode.
Compared with the prior art, the utility model has substantive characteristics and progress, and particularly can remotely control and simulate various functions of a real three-phase electrified display device in a high-voltage distribution training system in a wired or wireless communication mode, so that students can learn understanding of various phenomena in a low-voltage safe environment, and the conditions of difficult occurrence of various fault indexes such as phase failure and unbalance in the real system can be conveniently simulated in a simulation system.
Drawings
Fig. 1 is a schematic block diagram of the present invention.
Fig. 2 is a circuit schematic of the RS485 communication circuit of the present invention.
Fig. 3 is a circuit schematic of an indicator circuit of the present invention.
FIG. 4 is a schematic diagram of the electrical connection of the peripheral control interface and the relay according to the present invention.
Detailed Description
The technical solution of the present invention is further described in detail by the following embodiments.
Example 1
As shown in fig. 1, this embodiment provides a simulation three-phase live display device, which includes a microprocessor, a wired communication module, a wireless communication module, a live indication module, an external control interface, and a power module, where the wired communication module and the wireless communication module are respectively connected to the microprocessor and configured to receive a live simulation instruction;
the microprocessor is connected with the live indication module and the peripheral control interface and is used for responding to the live simulation instruction, controlling the live indication module to display the live state of the circuit and outputting a corresponding action instruction through the peripheral control interface so as to control the action of a corresponding relay;
the power module is used for supplying power to the microprocessor, the wired communication module, the wireless communication module and the electrified indication module.
In specific implementation, the wireless communication module is a Zigbee module, and the wired communication module is an RS485 communication circuit.
As shown in fig. 2, the RS485 communication circuit includes a dual-channel digital isolation chip and a low-power-consumption RS485 transceiver, and the low-power-consumption RS485 transceiver is respectively connected to the dual-channel digital isolation chip and the 485 interface, and is configured to receive the live simulation instruction through the 485 interface and send the live simulation instruction to the dual-channel digital isolation chip; and the two-channel digital isolation chip is connected with the microprocessor and is used for converting the received live simulation instruction into a digital signal and sending the digital signal to the microprocessor.
Preferably, in specific implementation, the microprocessor uses an STM32F103RCT6 chip, the dual-channel digital isolation chip is a two-channel digital isolation chip for backward surge 2Pai _ pi 121U31, and the low-power RS485 transceiver is an SN65HVD 3082.
The utility model receives the electrified simulation instruction in a wired or wireless communication mode, thereby achieving various functions of remotely controlling and simulating a real three-phase electrified display device.
During specific implementation, the charged indication module comprises an A-phase charged indication circuit, an A-phase uncharged indication circuit, a B-phase charged indication circuit, a B-phase uncharged indication circuit, a C-phase charged indication circuit, a C-phase uncharged indication circuit, an experiment indication circuit, an alarm indication circuit and a power indication circuit.
As shown in fig. 3, each path of indication circuit includes a triode and a light emitting diode, and a base of the triode is connected to the microprocessor to receive a light emitting indication signal sent by the microprocessor; the light emitting diode is connected in series between 5V direct current and the collector of the triode, and is used for displaying on and off along with the on and off of the triode.
Specifically, when the triode is conducted, the light emitting diode emits light; when the triode is cut off, the light emitting diode does not emit light.
In a specific implementation, the power module includes a power interface, an ac-to-dc circuit, a 24V-to-5V circuit, a 5V-to-3V 3 circuit, and an isolation circuit, where the ac-to-dc circuit is connected to the power interface and is configured to convert ac power into 24V dc power and 12V dc power, and preferably, the ac-to-dc circuit includes a rectifier bridge; the 24V-to-5V circuit is connected with the alternating current-to-direct current circuit and is used for converting 24V direct current into 5V direct current; the 5V to 3V3 circuit is connected with the 24V to 5V circuit and is used for converting 5V direct current into 3V3 direct current; the isolation circuit is connected with the 24V-to-5V circuit and used for voltage isolation.
When the power supply is used, the microprocessor, the wired communication module, the wireless communication module and the electrified indication module are respectively provided with corresponding working voltages by the power supply module.
During specific implementation, the microprocessor provides 6 peripheral control interfaces to the outside, wherein two peripheral control interfaces are used for controlling the on-off of the electromagnetic lock relay, 2 peripheral control interfaces are used for controlling the on-off of the open-phase relay, and 2 peripheral control interfaces are used for controlling the on-off of the unbalanced relay.
The specific circuit of the connection circuit of each peripheral control interface and the relay is shown in fig. 4, the peripheral control interface is connected with a base electrode of a triode, and a power-on coil of the relay is connected in series between a 12V power supply and a collector electrode of the triode; when the triode is conducted according to the action signal output by the peripheral control interface, the electrifying coil of the relay is electrified; and when the triode is cut off according to the action signal output by the peripheral control interface, the electrified coil of the relay is powered off.
Further, the simulation three-phase live display device further comprises a self-checking key, wherein the self-checking key is connected with the microprocessor and used for inputting a self-checking instruction, so that the microprocessor can perform self-checking on the live indicating module.
When the LED lamp is used, the self-checking key is pressed, the microprocessor drives all the LEDs to light for 1 second and then extinguish for 1 second, and the steps are repeated for 3 times to judge whether the LEDs are normal or not.
Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the utility model or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the utility model as defined by the appended claims.
Claims (4)
1. A simulation three-phase live display device is characterized in that: the intelligent charging system comprises a microprocessor, a wired communication module, a wireless communication module, a charging indication module, a peripheral control interface and a power supply module, wherein the wired communication module and the wireless communication module are respectively connected with the microprocessor and used for receiving a charging simulation instruction;
the microprocessor is connected with the live indication module and the peripheral control interface and is used for responding to the live simulation instruction, controlling the live indication module to display the live state of the circuit and outputting a corresponding action instruction through the peripheral control interface so as to control the action of a corresponding relay;
the power module is used for supplying power to the microprocessor, the wired communication module, the wireless communication module and the electrified indication module.
2. The emulated three-phase live display device of claim 1, wherein: the wired communication module is an RS485 communication circuit, the RS485 communication circuit comprises a double-channel digital isolation chip and a low-power-consumption RS485 transceiver, and the low-power-consumption RS485 transceiver is respectively connected with the double-channel digital isolation chip and the 485 interface, and is used for receiving the electrified simulation instruction through the 485 interface and sending the electrified simulation instruction to the double-channel digital isolation chip; and the two-channel digital isolation chip is connected with the microprocessor and is used for converting the received live simulation instruction into a digital signal and sending the digital signal to the microprocessor.
3. The emulated three-phase live display device of claim 1, wherein: the charged indication module comprises an A-phase charged indication circuit, an A-phase uncharged indication circuit, a B-phase charged indication circuit, a B-phase uncharged indication circuit, a C-phase charged indication circuit, a C-phase uncharged indication circuit, an experiment indication circuit, an alarm indication circuit and a power supply indication circuit, wherein each indication circuit comprises a triode and a light emitting diode, and the base of the triode is connected with the microprocessor so as to receive a light emitting indication signal sent by the microprocessor; the light emitting diode is connected in series between 5V direct current and the collector of the triode, and displays different states along with the on-off of the triode.
4. The emulated three-phase live display device of claim 1, wherein: the self-checking device further comprises a self-checking key, wherein the self-checking key is connected with the microprocessor and used for inputting a self-checking instruction so that the microprocessor can perform self-checking on the electrified indicating module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121348537.9U CN215450595U (en) | 2021-06-17 | 2021-06-17 | Simulation three-phase live display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121348537.9U CN215450595U (en) | 2021-06-17 | 2021-06-17 | Simulation three-phase live display device |
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| CN215450595U true CN215450595U (en) | 2022-01-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115731768A (en) * | 2022-12-12 | 2023-03-03 | 国网江苏省电力有限公司盐城供电分公司 | Simulation SF6 gas density relay |
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2021
- 2021-06-17 CN CN202121348537.9U patent/CN215450595U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115731768A (en) * | 2022-12-12 | 2023-03-03 | 国网江苏省电力有限公司盐城供电分公司 | Simulation SF6 gas density relay |
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