CN210402869U - Explosion burning demonstration system for combined transformer - Google Patents
Explosion burning demonstration system for combined transformer Download PDFInfo
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- CN210402869U CN210402869U CN201921061798.5U CN201921061798U CN210402869U CN 210402869 U CN210402869 U CN 210402869U CN 201921061798 U CN201921061798 U CN 201921061798U CN 210402869 U CN210402869 U CN 210402869U
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Abstract
The utility model relates to a combined transformer explosion burns out demonstration system and demonstration method belongs to electric energy measurement training teaching technical field. The utility model comprises a combined junction box, a first input/output module, a second input/output module, an upper computer, a switching power supply, a relay unit and an explosion burning effect demonstration unit, and an input/output circuit is built by using the upper computer, the first input/output module and the second input/output module, according to the state change of the indicator lamps at each input port, the short circuit among the UA wiring terminal, the UB wiring terminal and the UC wiring terminal, the disconnection among the IA + wiring terminal and the IA-wiring terminal and the disconnection among the IC + wiring terminal and the IC-wiring terminal can be judged, and then trigger the explosion and burn out the effect demonstration unit, simulate out the inside voltage transformer's of combined transformer secondary side short circuit and current transformer secondary side and open a way, make the utility model discloses can be safe, lifelike, vividly simulate the effect that the explosion of emulation combined transformer burnt out.
Description
Technical Field
The utility model relates to a demonstration system is burnt out in explosion of combined transformer belongs to electric energy measurement training teaching technical field.
Background
Along with the construction of the national strong power grid, the construction coverage area of the power grid is wider, the line planning is more reasonable, and more branch institutions are provided. For the sake of dividing the power supply stations, high-supply high-metering units based on the combined transformer and the metering box are established at the gateway or the 10kV branch to meter the power consumption in the respective areas, so that the maintenance of the combined transformer and the maintenance of the metering box are more and more.
The secondary side of the current transformer limited in the combined transformer can not be opened (high voltage is burnt out after the secondary side is opened), the secondary side of the voltage transformer can not be short-circuited, real equipment cannot be used for demonstrating the effect after the fault occurs, in addition, the safety of power grid safety operation and training is considered, safety education and training are unlikely to be carried out on a production operation site, in addition, the traditional electric power safety training method is old in content and single in means, mainly explains students by pictures or videos, and is not vivid enough and not comprehensive.
Therefore, there is a need for an explosion burning demonstration system for a combined transformer to demonstrate the explosion burning process and phenomenon of the combined transformer to students safely, vividly and vividly.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a demonstration system is burnt out in combination mutual-inductor explosion demonstrates the process and the phenomenon that the combination mutual-inductor explosion was burnt out with safety, lifelike, vividly to the student.
The utility model provides a combined transformer explosion burning demonstration system for realizing the above purpose, which comprises a combined junction box, a first input/output module, a second input/output module, an upper computer, a switching power supply, a relay unit and an explosion burning effect demonstration unit;
the combined junction box comprises a UA junction terminal, a UB junction terminal, a UC junction terminal, an IA + junction terminal, an IA-junction terminal, an IC + junction terminal and an IC-junction terminal;
the switching power supply comprises a reference voltage output end;
the UB wiring terminal is grounded; the input common end of the first input/output module is connected with the reference voltage output end, the first input end of the first input/output module is connected with the UA wiring terminal, the second input end of the first input/output module is connected with the UC wiring terminal, the third input end of the first input/output module is grounded through the IA + wiring terminal and the IA-wiring terminal, the fourth input end of the first input/output module is grounded through the IC + wiring terminal and the IC-wiring terminal, and the output end of the first input/output module controls the;
the input common end of the second input/output module is connected with the UA wiring terminal, the first input end of the second input/output module is connected with the UC wiring terminal, and the input common end and the first input end of the second input/output module are a pair of dry contacts;
the upper computer is respectively in communication connection with the first input/output module and the second input/output module and is used for controlling the output end of the first input/output module to output a control signal according to the change of the states of the indicator lamps at the first input end, the second input end, the third input end and the fourth input end of the first input/output module and the change of the state of the indicator lamp at the first input end of the second input/output module.
Further, the explosion burning effect demonstration unit comprises a smoke generator and a lamp for creating atmosphere effect.
Further, the relay unit includes a first relay and a second relay; the output end of the first input/output module comprises a first output end and a second output end; a normally open contact of the first relay is connected in series in a power circuit of the lamp, and a coil of the first relay is connected with a first output end of the first input/output module; and a normally open contact of the second relay is connected in series in a power supply circuit of the smoke generator, and a coil of the second relay is connected with a second output end of the first input and output module.
Furthermore, the system for demonstrating explosion burning of the combined transformer further comprises a loudspeaker, and the upper computer is connected with the loudspeaker and used for playing a sound effect of explosion burning of the combined transformer.
Further, the MR-D0808-KN control module is adopted by the first input and output module.
Further, the second input-output module adopts an EMR-D0404 control module.
Furthermore, the combined transformer explosion burning demonstration system also comprises a display screen and a camera, wherein the camera is arranged at the joint junction box and is used for shooting a wiring operation video of a student; the upper computer is connected with the camera and is used for acquiring a wiring operation video of the student; the upper computer is connected with the display screen.
The utility model has the advantages that:
the utility model discloses use the host computer, first input/output module, input/output circuit is built to second input/output module, according to the pilot lamp state change of each input port, can judge UA binding post, UB binding post, mutual short circuit between the UC binding post, IA + binding post, disconnected joint and IC + binding post between the IA-binding post, disconnected joint between the IC-binding post, and then trigger the explosion and burn out effect demonstration unit, simulate out the inside voltage transformer's of combined transformer secondary side short circuit and current transformer secondary side and open a way, make explosion and burn out the effect demonstration unit and can be safe, lifelike, the effect that the explosion of simulation combined transformer burnt out is vividly simulated.
Drawings
Fig. 1 is a schematic diagram of a circuit connection of an embodiment of a system for demonstrating explosion and burnout of a combined transformer.
Detailed Description
Example 1
The embodiment comprises a combined junction box, a first input/output module, a second input/output module, an upper computer, a switching power supply, a relay unit and an explosion burning effect demonstration unit.
The combined junction box is used for simulating a real junction box of the combined mutual inductor and specifically comprises a UA junction terminal, a UB junction terminal, a UC junction terminal, an IA + junction terminal, an IA-junction terminal, an IC + junction terminal and an IC-junction terminal, wherein during demonstration, the UA junction terminal, the UB junction terminal and the UC junction terminal are in short circuit in pairs by using a lead, or the IA + junction terminal and the IA-junction terminal are disconnected, and the IC + junction terminal and the IC-junction terminal are connected with each other for triggering demonstration of burning explosion of the mutual inductor; through manual wiring operation on each wiring terminal, the secondary side short circuit of a voltage transformer and the secondary side open circuit of a current transformer in the combined transformer can be simulated.
The switching power supply includes a reference voltage output terminal.
The UB wiring terminal is grounded; the input common end of the first input/output module is connected with the reference voltage output end, the first input end of the first input/output module is connected with the UA wiring terminal, the second input end of the first input/output module is connected with the UC wiring terminal, the third input end of the first input/output module is grounded through the IA + wiring terminal and the IA-wiring terminal, the fourth input end of the first input/output module is grounded through the IC + wiring terminal and the IC-wiring terminal, and the output end of the first input/output module controls the.
The input common end of the second input/output module is connected with the UA wiring terminal, the first input end of the second input/output module is connected with the UC wiring terminal, and the input common end and the first input end of the second input/output module are a pair of dry contacts.
The upper computer is respectively in communication connection with the first input/output module and the second input/output module and is used for controlling the output end of the first input/output module to output a control signal according to the change of the states of the indicator lamps at the first input end, the second input end, the third input end and the fourth input end of the first input/output module and the change of the state of the indicator lamp at the first input end of the second input/output module.
Example 2
This example differs from example 1 in that: a concrete implementation mode of the combined transformer explosion burning demonstration system is provided.
Specific connection of the present embodiment
Fig. 1 is a schematic circuit connection diagram of the embodiment, wherein the first input-output module adopts an MR-D0808-KN control module, and the second input-output module adopts an EMR-D0404 control module. The explosion burning effect demonstration unit comprises a smoke generator and a lamp used for making atmosphere effects, the relay unit comprises a first relay and a second relay, and the upper computer is an integrated machine.
The +12V end of the switching power supply is connected with an input public end COM1 of the MR-D0808-KN; the UB wiring terminal of the combined junction box is grounded; the DI0 port of the input port of the MR-D0808-KN is connected with a UA terminal of the joint junction box; the DI1 port of the input port of the MR-D0808-KN is connected with a UC terminal of the joint junction box; the A-phase current low-end IA-wiring terminal of the combined junction box is grounded and is connected with an input port DI2 of MR-D0808-KN through the A-phase current high-end IA + wiring terminal; the C-phase current high-end IC-connecting terminal of the combined junction box is grounded and is connected with an input port DI3 of MR-D0808-KN through the C-phase current high-end IC + connecting terminal.
An output port DO1 of the MR-D0808-KN is connected with a coil of a relay K1, and a relay K1 controls a power supply zero line and a power supply live line of the atmosphere lamp to enable the atmosphere lamp to act or stop so as to create a light effect; an output port DO2 of the MR-D0808-KN is connected with a coil of a relay K2, and a relay K2 controls an external button normal open point of the smoke generator to enable the smoke generator to act or stop, so that a smoke effect is created.
The input common COM1 of EMR-D0404 is connected to input port DI0 of D0808, and the input port DI0 of EMR-D0404 is connected to input port DI1 of MR-D0808-KN.
MR-D0808-KN is connected with a Port1 Port of the Ethernet repeater through an RS485 communication Port COM2, EMR-D0404 is connected with a Port2 Port of the Ethernet repeater through an RS485 communication Port COM2, and then the Ethernet repeater establishes communication with the all-in-one machine by using a network cable. The all-in-one machine is also provided with a loudspeaker, and the sound effect burnt by explosion can be played as required.
Each input port of the MR-D0808-KN input/output module used in this embodiment has a corresponding indicator light, and when the input common terminal of the MR-D0808-KN input/output module has a high level and the output port has a low level, the indicator light corresponding to the output port is turned on, and at this time, if the low level of the output port is turned off, the indicator light corresponding to the output port is turned off. The input common terminal COM1 of the EMR-D0404 input/output module used in this embodiment and the input port DI0 thereof belong to a pair of dry contacts which belong to passive switches and have 2 states of being closed and opened, and when the input common terminal COM1 communicates with the input port DI0, the dry contacts are in the closed state, and the indicator light corresponding to the input port DI0 of the EMR-D0404 is lighted.
The simulation principle of the present embodiment is explained in detail below.
Simulation principle of secondary side short circuit of voltage transformer of this embodiment
In the embodiment, because the COM1 of the MR-D0808-KN is connected with the +12V high level, the UB wiring terminal is grounded, and when the UB wiring terminal is in short circuit with the UA wiring terminal, the indicator lamp of the DI0 of the MR-D0808-KN is conducted, so that the indicator lamp is turned on and off, and the integrated machine can judge whether the UB wiring terminal is in short circuit with the UA wiring terminal or not by detecting the state of the DI0 indicator lamp; when UB binding post and UC binding post short circuit, MR-D0808-KN's DI 1's pilot lamp just is switched on to turn on by putting out, consequently the all-in-one just can judge whether UB binding post and UC binding post short circuit through the state of detecting DI1 pilot lamp. The input common terminal COM1 of EMR-D0404 and the input port DI0 belong to a pair of dry contacts, when the UA wiring terminal and the UC wiring terminal are in short circuit, the dry contacts are in a closed state, an indicator lamp corresponding to the input port DI0 of the EMR-D0404 is lightened, and the all-in-one machine can judge whether the UA wiring terminal and the UC wiring terminal are in short circuit or not by detecting the state of the indicator lamp of the input port DI0 of the EMR-D0404. Through the connection, the connection state between the UA wiring terminal, the UB wiring terminal and the UC wiring terminal can be efficiently determined. When a user short-circuits any two of the UA terminal, the UB terminal and the UC terminal, based on the above determination principle, this embodiment can determine the situation, and complete the simulation of the secondary side short circuit of the voltage transformer.
Simulation principle of secondary side open circuit of current transformer of this embodiment
In the embodiment, the IA-terminal is connected with the ground, and after the IA-terminal is disconnected from the IA + terminal, the indicator lamp corresponding to the input port DI2 of the MR-D0808-KN is turned on and off, so that the all-in-one machine can judge the connection state of the IA-terminal and the IA + terminal; the IC-end is connected with the ground, and after the IC-end is disconnected with the IC + end, the indicator lamp corresponding to the input port DI3 of the MR-D0808-KN is turned on and off, so that the integrated machine can judge the connection state of the IC-end and the IC + end. When the IA + connection terminal and the IA-connection terminal are manually disconnected or the IC + connection terminal and the IC-connection terminal are manually disconnected, based on the above determination principle, the present embodiment can determine the situation, and complete the simulation of the secondary side open circuit of the current transformer.
When the integrated machine judges that a short circuit exists between two ends of a UA wiring terminal, a UB wiring terminal and a UC wiring terminal representing the voltage transformer, or the IA + wiring terminal and the IA-wiring terminal are disconnected, or the IC + wiring terminal and the IC-wiring terminal are disconnected, MR-D0808-KN or EMR-D0404 is controlled to output a control signal from the output end of the integrated machine, so that the atmosphere lamp and the smoke generator work to simulate the burning process and situation of the combined transformer, and during the period, the integrated machine can also simulate the sound effect of burning explosion through a loudspeaker to increase the sense of reality.
And a camera is also arranged near the joint junction box, is a camera capable of focusing in a short distance and is connected with a USB port of the integrated machine through a USB extension line with a signal amplification function. The camera both can monitor the inside condition of batch meter, also can click the inside "video recording" button of software as required and record a video, can also project the inside condition of batch meter on large screen or all-in-one as required.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (7)
1. A combined transformer explosion burning demonstration system is characterized by comprising a combined junction box, a first input and output module, a second input and output module, an upper computer, a switching power supply, a relay unit and an explosion burning effect demonstration unit;
the combined junction box comprises a UA junction terminal, a UB junction terminal, a UC junction terminal, an IA + junction terminal, an IA-junction terminal, an IC + junction terminal and an IC-junction terminal;
the switching power supply comprises a reference voltage output end;
the UB wiring terminal is grounded; the input common end of the first input/output module is connected with the reference voltage output end, the first input end of the first input/output module is connected with the UA wiring terminal, the second input end of the first input/output module is connected with the UC wiring terminal, the third input end of the first input/output module is grounded through the IA + wiring terminal and the IA-wiring terminal, the fourth input end of the first input/output module is grounded through the IC + wiring terminal and the IC-wiring terminal, and the output end of the first input/output module controls the;
the input common end of the second input/output module is connected with the UA wiring terminal, the first input end of the second input/output module is connected with the UC wiring terminal, and the input common end and the first input end of the second input/output module are a pair of dry contacts;
the upper computer is respectively in communication connection with the first input/output module and the second input/output module and is used for controlling the output end of the first input/output module to output a control signal according to the change of the states of the indicator lamps at the first input end, the second input end, the third input end and the fourth input end of the first input/output module and the change of the state of the indicator lamp at the first input end of the second input/output module.
2. The combination transformer explosion burnout demonstration system according to claim 1, wherein the explosion burnout effect demonstration unit comprises a smoke generator and a lamp for creating an atmosphere effect.
3. The combination transformer explosion burnout demonstration system according to claim 2, wherein the relay unit comprises a first relay and a second relay; the output end of the first input/output module comprises a first output end and a second output end; a normally open contact of the first relay is connected in series in a power circuit of the lamp, and a coil of the first relay is connected with a first output end of the first input/output module; and a normally open contact of the second relay is connected in series in a power supply circuit of the smoke generator, and a coil of the second relay is connected with a second output end of the first input and output module.
4. The system for demonstrating explosion and burnout of a combined transformer as claimed in any one of claims 1 to 3, further comprising a speaker, wherein the upper computer is connected to the speaker for playing a sound effect of explosion and burnout of the combined transformer.
5. The combination transformer explosion burning demonstration system according to claim 1, wherein the first input and output module adopts an MR-D0808-KN control module.
6. The combination transformer explosion burning demonstration system as claimed in claim 1, wherein the second input and output module adopts an EMR-D0404 control module.
7. The system for demonstrating explosion and burnout of a combined transformer according to claim 1, further comprising a display screen and a camera, wherein the camera is arranged at the joint junction box and used for shooting a wiring operation video of a student; the upper computer is connected with the camera and is used for acquiring a wiring operation video of the student; the upper computer is connected with the display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921061798.5U CN210402869U (en) | 2019-07-09 | 2019-07-09 | Explosion burning demonstration system for combined transformer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921061798.5U CN210402869U (en) | 2019-07-09 | 2019-07-09 | Explosion burning demonstration system for combined transformer |
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| CN210402869U true CN210402869U (en) | 2020-04-24 |
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| CN201921061798.5U Active CN210402869U (en) | 2019-07-09 | 2019-07-09 | Explosion burning demonstration system for combined transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110223582A (en) * | 2019-07-09 | 2019-09-10 | 郑州万特电气股份有限公司 | Demo system and demenstration method are burnt in a kind of explosion of combination transformer |
-
2019
- 2019-07-09 CN CN201921061798.5U patent/CN210402869U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110223582A (en) * | 2019-07-09 | 2019-09-10 | 郑州万特电气股份有限公司 | Demo system and demenstration method are burnt in a kind of explosion of combination transformer |
| CN110223582B (en) * | 2019-07-09 | 2024-03-26 | 郑州万特电气股份有限公司 | Combined transformer explosion burning demonstration system and demonstration method |
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