CN211956793U - Short-circuit fault simulation device - Google Patents

Abstract

The utility model discloses a short-circuit fault simulation device, which comprises a distribution box and a short-circuit unit, wherein the short-circuit unit is placed on a line where the distribution box is located, the short-circuit unit comprises a section of cable, a short-circuit plug-in and a RFID chip, the line where the distribution box is located comprises a RFID antenna, the RFID antenna is communicated with the RFID chip, the cable and the RFID chip are both packaged in a transparent shell, and the short-circuit plug-in is movably clamped on the shell and is positioned right above the cable; the utility model has the advantages that: the utility model provides a short-circuit fault analogue means is convenient for carry out electric fire control propaganda.

Description

Short-circuit fault simulation device

Technical Field

The utility model relates to an electrical safety training field, more specifically relates to a short circuit fault analogue means.

Background

In recent years, the occurrence of electrical fire accidents is continuously high, the percentage of electrical fire accidents in the total number of fires per year reaches more than 30%, the percentage of economic loss caused by the electrical fire accidents exceeds 40%, and the electrical fire accidents tend to increase year by year. 50 minutes in 2 pm on 8/28/2010, a fire disaster occurs at a Wanda commercial square sales building in the western iron district in Shenyang city, and the fire disaster is caused by a circuit fault of a sand table model. 16 pm in 6.30 months in 2012, fire occurred in leide shopping mall, prefecture, Tianjin Ji county, due to short circuit of air conditioner power line. 2 days 1 month 2015, Haerbin south medal ceramic large market warehouse fire, which is caused by line overload caused by electric heaters. 5 and 25 days in 2015, and the cause of fire in the apartment in the Henan Lushan Kangle park is poor contact of electric lines. A serious fire accident of 8.25 of Harbin North Longquan leisure Hotel Co Ltd is 8.25 in 2018, 8 months and 25 days in the morning and 4 hours, and the fire is caused by short circuit of an electric circuit of a fan coil unit. The public has a deep knowledge about the danger of electrical fire, but the mechanism and the inducing factors of the electrical fire are not clear. At present, no measures and technologies for effectively preventing electrical fire are available.

Short circuits are generally caused by nail insertion into the line or a wet path or by carbonization of the insulation, which is highly likely to cause an electrical fire if the power supply is not cut off in time after the short circuit. The short circuit generation process is very important in the process of preventing electrical fire from happening, and the social public can avoid the short circuit in daily life only by knowing the reason of the short circuit, so that the electrical fire caused by the short circuit is avoided, and an intuitive short circuit fault simulation device is not used for carrying out electrical fire fighting propaganda at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the prior art lacks short-circuit fault analogue means.

The utility model discloses a following technical means realizes solving above-mentioned technical problem: the utility model provides a short-circuit fault analogue means, includes block terminal and short circuit unit, and the short circuit unit is placed on block terminal place circuit, and the short circuit unit includes one section cable, short circuit plug-in components and RFID chip, includes the RFID antenna on the block terminal place circuit, RFID antenna and RFID chip communication, cable and RFID chip all encapsulate in transparent casing, short circuit plug-in components activity joint is in just be located directly over the cable on the casing.

The utility model discloses an on putting into block terminal institute line with the short circuit unit, RFID antenna and RFID chip communication, the block terminal sends the tripping operation action, and the tripping operation takes place for simulation short circuit trouble, and short circuit plug-in components activity joint is in just be located directly over the cable on the casing, when through pressing the short circuit plug-in components, the direct simulation short circuit trouble of short circuit plug-in components on the cable is convenient for carry out electric fire control propaganda.

Furthermore, the short circuit plug-in is mainly seen as nail form, and one end has most advanced, and the other end has the T type structure of inflation portion, and most advanced activity joint is in just above the cable on the casing, presses inflation portion, and the most advanced of short circuit plug-in bottom contacts with the cable.

Further, the short circuit plug-in components include storage water tank, button and pipeline, and the storage water tank has connect the pipeline through the button, and the button is the water valve of pipeline, and the pipeline end is equipped with the nozzle, and pipeline activity joint is in just be located the cable directly over on the casing.

Further, short circuit plug-in components include first stone ink horn, graphite pipeline and second stone ink horn, and graphite pipeline activity joint is in on the casing and be located directly over the cable, first stone ink horn of graphite pipeline both ends difference fixed connection and second stone ink horn, first graphite horn and second stone ink horn all communicate with each other with graphite pipeline, first stone ink horn and second graphite horn are parallel and be the I shape together with graphite pipeline, and second graphite horn is located the clearance department of the L line and the N line of cable, and first graphite horn has shift knob and built-in graphite, presses shift knob, and graphite gets into second stone ink horn through graphite pipeline from first stone ink horn.

Further, the distribution box comprises a circuit breaker, a residual current protector and a fault arc detector.

The utility model has the advantages that: the utility model discloses an on putting into block terminal place line with the short circuit unit, RFID antenna and RFID chip communication, the block terminal sends the tripping operation action, and the tripping operation takes place for simulation short circuit trouble, and short circuit plug-in components activity joint is in just be located directly over the cable on the casing, through pressing down the short circuit plug-in components, on short circuit plug-in components inserted the cable, other modules of cooperation can audio-visual simulation short circuit trouble, are convenient for carry out electric fire control propaganda.

Drawings

Fig. 1 is a schematic view of a short-circuit fault simulation apparatus provided in embodiment 1 of the present invention;

fig. 2 is a schematic diagram of a system architecture of a short-circuit fault simulation apparatus according to an embodiment of the present invention;

fig. 3 is a schematic view of a short-circuit fault simulation apparatus provided in embodiment 2 of the present invention;

fig. 4 is a schematic view of a short-circuit fault simulation apparatus provided in embodiment 3 of the present invention.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1

As shown in fig. 1, a short-circuit fault simulation apparatus includes a distribution box (not shown) including a circuit breaker, a residual current protector, and a fault arc detector, and a short-circuit unit 2. Short circuit unit 2 includes one section cable 201, short-circuit plug-in 202 and RFID chip 204, includes the RFID antenna on the circuit of block terminal place, when short circuit unit 2 placed on the circuit of block terminal place, RFID antenna and RFID chip 204 communication, the circuit breaker tripping operation of block terminal. The cable 201 and the RFID chip 204 are all packaged in a transparent shell 206, the short-circuit plug-in 202 is movably clamped on the shell 206 and is positioned right above the cable 201, when the short-circuit plug-in 202 is pressed down, the tip at the bottom of the short-circuit plug-in 202 is in contact with the cable 201, and the simulation short-circuit plug-in 202 is inserted into the cable 201.

The short-circuit fault simulation device is mainly used for displaying the condition that a circuit is short-circuited due to the fact that a nail is nailed into the cable to directly short-circuit, the short-circuit of a wet path, the short-circuit of a carbonization path and other circuit faults. Mainly simulates the common circuits in daily life. Such as: television power supply lines, air conditioner power supply lines, and the like. The circuit is simulated to generate short circuit when the following conditions occur: 1. the nail is nailed into the wall, and the cable in the wall is wrongly nailed to generate the circuit short circuit condition. 2. There are connection points in the circuit which, due to insufficient protective measures, form a short-circuit of the moist path in moist air. 3. The circuit insulating layer is carbonized, and the carbonization path forms the condition of short circuit of the circuit.

In this embodiment, mainly describing a situation that a nail is driven to cause a direct short circuit of a cable, and continuing to refer to fig. 1, the short circuit plug-in 202 is specifically in a nail shape in a front view, and has a T-shaped structure with a pointed end at one end and an enlarged part at the other end to simulate a direct short circuit of the nail driven cable, the short circuit plug-in 202 is movably clamped on the housing 206 and is located right above the cable 201, when the short circuit plug-in 202 is pressed down, the pointed end at the bottom of the short circuit plug-in 202 is in contact with the cable 201 to simulate the nail being inserted into the cable 201, the first cable 201 is used to simulate an actual cable, and the cable 201 is not powered on actually, but is a cable arranged to.

With reference to fig. 2, the utility model discloses be applied to short-circuit fault's simulation, the utility model discloses an use the scene preferably for bathroom, living room, kitchen, bedroom etc. among the practical application, do not do special restriction to using the scene. As shown in fig. 2, the whole short-circuit fault simulation system further includes a main control module 1, a combustible module 3, a display device 4, a power supply 5, and a transformer 6, where the model of the main control module 1 is STM32L053R8T 6. The display device 4 comprises an LCD display screen (not shown) and an LED lamp 203, the LED lamp 203 is arranged in a shell 206 of the short circuit unit 2, the power supply 5 is connected with a power supply interface of the main control module 1 after being converted into safe voltage through a transformer 6, the distribution box, the combustible module 3 and the display device 4 are all connected with the main control module 1, a switch sensor 205 is connected to a connecting line of the LED lamp 203 and the main control module 1, and the switch sensor 205 is arranged at a gap between the outside of the shell 206 and the short circuit plug-in 202. The expanded part of the short-circuit plug-in 202 is over against the switch sensor 205, when the short-circuit plug-in 202 is pressed down, the expanded part touches the switch sensor 205, the tip of the bottom of the short-circuit plug-in 202 is in contact with the cable 201, a simulation nail is inserted into the cable 201, at the moment, the LED lamp 203 is lightened due to the triggering of the switch sensor 205, high-brightness red color is emitted to represent the high risk of a short-circuit line, the high-brightness red color is set for the display frame number of the LED lamp 203 through the main control module 1, the brightness is determined according to the frame number displayed for 1 second, and the frame number is preset by the main. And simultaneously, the circuit breaker in the distribution box sends out tripping action.

If the main control module 1 detects that the cable where the short circuit unit 2 is located is also connected with the combustible module 3, all the LED lamps arranged in the short circuit fault simulation device in the display device 4 are spread and lighted by taking the short circuit unit 2 as a center, and a fire disaster caused by the short circuit fault and the whole process of fire disaster spread are simulated. When the circuit enters a nail short circuit mode and a wet path causes short circuit and an insulating layer is carbonized and directly short-circuited, a cable between a short circuit point on the LCD display screen and the distribution box is displayed by highlight, and an electrical load on the circuit is in a power-off state. If a combustible material module 3 is arranged near the short circuit point of the circuit, the fire spreading process is displayed on the LCD display screen.

It should be noted that the utility model discloses the communication of the RFID chip that the connected mode of short circuit unit 2 and host system 1 and block terminal adopted is connected with the RFID antenna, and among the practical application, can adopt wired connection to pass through on-off control and insert whether, also can adopt the mode of infrared emission and infrared receipt, as long as can make host system 1 receive short circuit unit 2's signal can, do not special restriction to the connected mode.

Through the technical scheme, the embodiment 1 of the utility model provides a short-circuit failure analogue means, through on putting short-circuit failure analogue means's circuit with the short-circuit unit, RFID antenna and RFID chip communication, host system 1 perception short-circuit unit 2, short-circuit plug-in 202 activity joint is in directly over just being located the cable on the casing 206, gap department between casing 206 outside and short-circuit plug-in 202 is arranged to switch sensor 205, and through pressing short-circuit plug-in 202, touch switch sensor 205, LED lamp and host system 1 switch-on, the LED lamp is lighted, and the circuit breaker tripping operation of block terminal carries out short-circuit failure warning simultaneously, and audio-visual simulation short-circuit failure warns the society masses, is convenient for carry out electric fire control propaganda.

Example 2

The embodiment 2 of the present invention is different from the embodiment 1 in that: another specific configuration of the shorting insert 202 is provided for simulating a moisture path causing a short circuit.

As shown in fig. 3, the short-circuit plug 202 is specifically that the water storage tank is connected with a pipeline through a button, the tail end of the pipeline is a nozzle, a wet path short circuit is simulated, the pipeline is movably clamped on the shell 206 and is located right above the cable 201, water can be sprayed at the cable connection point by pressing the button, the button is used as a water valve of the water pipe, a switch sensor 205 is arranged in the button, when water is discharged by pressing, the switch sensor 205 is also triggered, and the LED lamp 203 is turned on to indicate that the cable 201 connection point is wet to cause a short circuit. The water valve can be an electromagnetic valve, and the nozzle at the tail end can be a plugging device with a plurality of small holes. When the water valve is pressed down, the coil is electrified, the valve is opened, water reaches the nozzle at the tail end of the pipeline from the pipeline, and the water flows out in a spraying shape due to the fact that the nozzle is provided with a plurality of small holes and the water has gravity.

Example 3

The embodiment 3 of the present invention is different from the embodiment 1 in that: yet another specific configuration of shorting insert 202 is provided for simulating a situation where the carbonization path causes a short circuit.

As shown in fig. 4, the short-circuit plug 202 specifically comprises a first graphite box 2021, a graphite pipe 2022 and a second graphite box 2023, the graphite pipe 2022 is movably clamped on the housing 206 and is located right above the cable 201, two ends of the graphite pipe 2022 are respectively and fixedly connected with the first graphite box 2021 and the second graphite box 2023, the first graphite box 2021 and the second graphite box 2023 are both communicated with the graphite pipe 2022, the first graphite box 2021 and the second graphite box 2023 are parallel and are in an i-shape together with the graphite pipe 2022, the second graphite box 2023 is located at a gap between an L line and an N line of the cable 201, in the figure, the two labeled cables 201 are respectively an L line and an N line, a switch button of the first graphite box 2021 is pressed, graphite is added from the first graphite box 2021, graphite enters the second graphite box 2023 through the graphite pipe 2022, a first cable short circuit caused by a carbonization path is simulated, a switch button of the first graphite box 2021 is internally provided with a switch sensor 205, when the switch button of the first graphite case 2021 is pressed, the switch sensor 205 is triggered, and the LED lamp 203 is turned on, indicating a short-circuit phenomenon due to the carbonization path. When the demonstration is to be performed again, the short-circuit unit 2 shown in fig. 4 is turned upside down, the graphite is returned from the second graphite box 2023 to the first graphite box 2021, and the switch button of the first graphite box 2021 is pressed again, so that the graphite passage is closed and the state in which the short-circuit simulation is not performed is restored.

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 the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (5)

1. The utility model provides a short-circuit fault analogue means, its characterized in that, includes block terminal and short circuit unit, and the short circuit unit is placed on block terminal place circuit, and the short circuit unit includes one section cable, short circuit plug-in components and RFID chip, includes the RFID antenna on the block terminal place circuit, RFID antenna and RFID chip communication, cable and RFID chip all encapsulate in the transparent casing, short circuit plug-in components activity joint is in just be located the cable directly over on the casing.

2. The short-circuit fault simulator of claim 1, wherein the short-circuit plug is a nail-shaped plug, one end of the short-circuit plug is provided with a tip, the other end of the short-circuit plug is provided with a T-shaped structure with an expanded part, the tip is movably clamped on the shell and is positioned right above the cable, the expanded part is pressed, and the tip at the bottom of the short-circuit plug is in contact with the cable.

3. The short-circuit fault simulation device as claimed in claim 1, wherein the short-circuit plug-in comprises a water storage tank, a button and a pipeline, the water storage tank is connected with the pipeline through the button, the button is a water valve of the pipeline, a nozzle is arranged at the tail end of the pipeline, and the pipeline is movably clamped on the shell and is positioned right above the cable.

4. The short-circuit fault simulation device as claimed in claim 1, wherein the short-circuit plug-in unit comprises a first graphite box, a graphite pipeline and a second graphite box, the graphite pipeline is movably clamped on the housing and located right above the cable, two ends of the graphite pipeline are respectively and fixedly connected with the first graphite box and the second graphite box, the first graphite box and the second graphite box are communicated with the graphite pipeline, the first graphite box and the second graphite box are parallel and in an I shape together with the graphite pipeline, the second graphite box is located in a gap between an L line and an N line of the cable, the first graphite box is provided with a switch button and is internally provided with graphite, and the switch button is pressed, so that the graphite enters the second graphite box from the first graphite box through the graphite pipeline.

5. A short-circuit fault simulation apparatus according to claim 1, wherein the distribution box comprises a circuit breaker, a residual current protector and a fault arc detector.

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