Safety compliance electricity utilization science popularization demonstration device

Abstract

The invention discloses a safety compliance power utilization science popularization demonstration device, which comprises a scene conversion control unit, a current overload test module, an automatic arc discharge test module and a power utilization safety equipment demonstration unit, and is characterized in that the scene conversion control unit sends signals to the current overload test module and the automatic arc discharge test module, switches demonstration contents and displays the demonstration contents; the switching in-place signal is fed back to the scene conversion control unit; the current overload test module is connected with the scene conversion control unit and is used for demonstrating the harm of overload operation; the automatic arcing experiment module is connected with the electrical safety equipment demonstration unit and is used for demonstrating the occurrence of a fault arc; and the electrical safety equipment monitors the operation state of the automatic arcing experiment module and sends out an alarm signal.

Description

Technical Field

[0001] The present application relates to the field of electricity safety systems, and in particular to a science demonstration device for safe and compliant electricity use. Background Art

[0002] Electricity science education is an important way to improve the public's scientific literacy. The public can obtain more knowledge and information about the power system, so that they can make more informed decisions in their daily lives, improve their understanding and awareness of the power system, enhance their awareness of safe electricity use, and reduce the occurrence of power accidents.

[0003] At present, the popular science devices about electricity mainly focus on the principles of power generation, electromagnetic induction, Tesla discharge and other directions. From the perspective of safe and compliant electricity use, there are few relevant popular science devices at home and abroad, and the concept of popular science education on electricity safety is lacking. Summary of the invention

[0004] In view of the technical problems existing in the above-mentioned prior art, the present invention provides a science popularization demonstration device for safe and compliant electricity use.

[0005] According to one aspect of the present application, a safe and compliant electricity use science demonstration device is provided, comprising: a scene conversion control unit, a current overload test module, an automatic arcing experiment module and an electricity safety equipment demonstration unit, wherein:

[0006] The scene conversion control unit sends a signal to the current overload test module and the automatic arcing experiment module to switch the demonstration content, and feeds back the switching position signal to the scene conversion control unit;

[0007] The current overload test module is connected to the scene conversion control unit to demonstrate the hazards of overload operation;

[0008] The automatic arc-pulling experiment module is connected to the power safety equipment demonstration unit to demonstrate the occurrence of fault arcs;

[0009] The electrical safety equipment monitors the operating status of the automatic arc drawing experiment module and sends out an alarm signal.

[0010] Optionally, the safe and compliant electricity use science demonstration device also includes: a load module, which is connected to the electricity safety equipment demonstration unit and is used to control the load current.

[0011] Optionally, the scene conversion control unit includes: a first control system and a scene conversion control module, wherein

[0012] The scene conversion control module is composed of a scene conversion mechanism and a scene positioning device. The scene conversion mechanism automatically converts the scene through the first control system, and the scene positioning device feeds back the current demonstration scene status in real time.

[0013] Optionally, the scene conversion control unit further includes: a first power supply module, configured to provide a constant current to the scene conversion control unit.

[0014] Optionally, the scenarios include: series arc pulling / AC demonstration without any protection; series arc pulling / AC demonstration under the protection of a faulty arc detector; series arc pulling / AC demonstration under the protection of a faulty arc circuit breaker; demonstration of line heating / burning due to overload; aging of cables and leakage of electrical equipment.

[0015] Optionally, the current overload test module includes: a second control system, a current overload test unit, and an overload feedback unit, wherein

[0016] The second power supply module is used to provide a constant current value for the current overload test module;

[0017] The second control system is used to adjust the current value output by the second power supply module according to the data fed back by the overload feedback module and the maximum current value of the set test;

[0018] The current overload experiment unit is connected to the overload feedback module to demonstrate the hazards of overload operation.

[0019] Optionally, the current overload test module further includes: a display unit, configured to display the current value of the current output in real time.

[0020] Optionally, the automatic arc drawing experiment module includes: a third control system, a real-time data acquisition unit, a real-time data analysis unit, a stepping mechanism, an actuator and a video feedback system, wherein

[0021] The third control system is used to control the stepping mechanism and the actuator according to the real-time data acquisition unit, the real-time data analysis unit and the video feedback system;

[0022] The real-time data acquisition unit is used to feed back the arc voltage value generated by the real-time arcing to the second control system;

[0023] The real-time data analysis unit is used to find the target value of the arc voltage value collected by the real-time data collection unit through a linear regression model;

[0024] The stepping mechanism is used to automatically adjust the distance between the carbon rod and the probe according to the feedback of the second control system to generate a stable arc;

[0025] The actuator is used to generate arc according to the carbon rod and the probe;

[0026] The video feedback system is used to collect arc drawing video data in real time and feed it back to the second control system. The second control system finds the target value through the feedback data combined with the linear regression model to make subtle adjustments to the stepping mechanism to ensure the continuity and reliability of arc drawing.

[0027] Optionally, the electrical safety equipment is also used to demonstrate the use of arc fault circuit breakers, arc fault detectors, and leakage protectors.

[0028] Therefore, the present invention provides a popular science demonstration device for safe and compliant electricity use, which can demonstrate electrical hazards such as overload, arcing, leakage, electric shock and hazard prevention, so that users can understand the correct steps and precautions for electricity use, learn how to correctly handle electricity use problems, and improve users' safety awareness.

[0029] Based on the detailed description of the specific embodiments of the present application in combination with the accompanying drawings below, those skilled in the art will become more aware of the above and other objects, advantages and features of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Hereinafter, some specific embodiments of the present application will be described in detail in an exemplary and non-limiting manner with reference to the accompanying drawings. The same reference numerals in the accompanying drawings indicate the same or similar components or parts. It should be understood by those skilled in the art that these drawings are not necessarily drawn to scale. In the accompanying drawings:

[0031] Figure 1 is a schematic diagram of a science demonstration device for safe and compliant electricity use according to an embodiment of the present application;

[0032] Figure 2 is a schematic diagram of a scene conversion control unit design according to an embodiment of the present application;

[0033] Figure 3 is a design principle diagram of an automatic current overload test module according to an embodiment of the present application;

[0034] Figure 4 It is a design principle diagram of an automatic arc drawing experiment module according to one embodiment of the present application. DETAILED DESCRIPTION

[0035] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other. The present disclosure will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0036] In order to enable those skilled in the art to better understand the scheme of the present disclosure, the technical scheme in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only part of the embodiments of the present disclosure, not all of the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by ordinary technicians in the field without creative work should fall within the scope of protection of the present disclosure.

[0037] It should be noted that the terms "first", "second", etc. in the specification and claims of the present disclosure and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchanged where appropriate, so as to describe the embodiments of the present disclosure described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0038] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0039] Figure 1 Schematic diagram of a device for demonstrating safe and compliant electricity use according to an embodiment of the present application. Figure 1 As shown, the safe and compliant electricity use science demonstration device includes: a scene conversion control unit, a current overload test module, an automatic arcing experiment module and an electricity safety equipment demonstration unit, among which:

[0040] The scene conversion control unit sends a signal to the current overload test module and the automatic arcing experiment module to switch the demonstration content, and feeds back the switching in place signal to the scene conversion control unit;

[0041] The current overload test module is connected to the scene conversion control unit to demonstrate the hazards of overload operation;

[0042] The automatic arc-pulling experiment module is connected to the power safety equipment demonstration unit to demonstrate the occurrence of fault arcs;

[0043] The electrical safety equipment monitors the operating status of the automatic arc drawing experiment module and sends out an alarm signal.

[0044] Optionally, the safe and compliant electricity use science demonstration device also includes: a load module, which is connected to the electricity safety equipment demonstration unit and is used to control the load current.

[0045] Specifically, the present invention provides a popular science demonstration device for safe and compliant electricity use, which demonstrates electrical hazards such as overload, arcing, leakage, electric shock and hazard prevention, enables users to understand the correct steps and precautions for using electricity, allows users to learn how to correctly handle electricity problems, and improves users' safety awareness.

[0046] The present invention provides a scientific demonstration device for safe and compliant electricity use, such as Figure 1 As shown in FIG. 1 , it is mainly composed of the following parts: scene conversion control unit, current overload test module, automatic arcing experiment module, power safety equipment demonstration unit, load module, etc. The scene conversion control unit sends signals to the current overload test module and the automatic arcing experiment module to switch the demonstration content, and feeds back the switch-in-place signal to the scene conversion control unit; the automatic arcing experiment module is connected to the power safety equipment demonstration unit, and the power safety equipment can monitor the operating status of the automatic arcing experiment module and send out an alarm signal; the load module is connected to the power safety equipment demonstration unit to control the load current.

[0047] Optionally, the scene conversion control unit includes: a first control system and a scene conversion control module, wherein

[0048] The scene conversion control module is composed of a scene conversion mechanism and a scene positioning device. The scene conversion mechanism automatically converts the scene through the first control system, and the scene positioning device feeds back the current demonstration scene status in real time.

[0049] Optionally, the scene conversion control unit further includes: a first power supply module, configured to provide a constant current to the scene conversion control unit.

[0050] Optionally, the scenarios include: series arc pulling / AC demonstration without any protection; series arc pulling / AC demonstration under the protection of a faulty arc detector; series arc pulling / AC demonstration under the protection of a faulty arc circuit breaker; demonstration of line heating / burning due to overload; aging of cables and leakage of electrical equipment.

[0051] Specifically, the scene conversion control unit is used to control the conversion of the demonstration scene, and its structure and control principle are as follows: Figure 2 As shown, it is mainly composed of the following parts: a first power supply module, a first control system, a scene conversion control module, etc.

[0052] The first control system switches to different scenes according to user settings. The simulation demonstration scenes are as follows:

[0053] Demonstration scenario (1) simulates the arcing demonstration of series electric arc (AC) without any protection;

[0054] Demonstration scenario (2) simulates the arcing demonstration of series arc (AC) under the protection of a faulty arc detector;

[0055] Demonstration scenario (3) simulates the series arc (AC) arcing demonstration under the protection of a faulty arc circuit breaker;

[0056] Demonstration scenario (4) simulates overload and circuit heating (burning);

[0057] Demonstration scene (5) simulates cable aging and electrical equipment leakage (safe electricity mascot demonstration);

[0058] The scene conversion control module is implemented by a scene conversion mechanism and a scene positioning device. The scene conversion mechanism automatically converts scenes through a control system; the scene positioning device feeds back the current demonstration scene status in real time.

[0059] Optionally, the current overload test module includes: a second control system, a current overload test unit, and an overload feedback unit, wherein

[0060] The second power supply module is used to provide a constant current value for the current overload test module;

[0061] The second control system is used to adjust the current value output by the second power supply module according to the data fed back by the overload feedback module and the maximum current value of the set test;

[0062] The current overload experiment unit is connected to the overload feedback module to demonstrate the hazards of overload operation.

[0063] Optionally, the current overload test module further includes: a display unit, configured to display the current value of the current output in real time.

[0064] Specifically, the current overload experiment module is used to demonstrate the hazards of overload operation. The structure and control principle are as follows: Figure 3 As shown, it is mainly composed of the following parts: the second power supply module, the second control system, the display unit (seven-inch touch screen), the current overload test module, and the overload feedback module.

[0065] The power mode provides a constant current;

[0066] The control system adjusts the current value output by the power module according to the feedback data and the maximum current value of the set test;

[0067] The display module displays the current output value in real time.

[0068] Optionally, the automatic arc drawing experiment module includes: a third control system, a real-time data acquisition unit, a real-time data analysis unit, a stepping mechanism, an actuator and a video feedback system, wherein

[0069] The third control system is used to control the stepping mechanism and the actuator according to the real-time data acquisition unit, the real-time data analysis unit and the video feedback system;

[0070] The real-time data acquisition unit is used to feed back the arc voltage value generated by the real-time arcing to the second control system;

[0071] The real-time data analysis unit is used to find the target value of the arc voltage value collected by the real-time data collection unit through a linear regression model;

[0072] The stepping mechanism is used to automatically adjust the distance between the carbon rod and the probe according to the feedback of the second control system to generate a stable arc;

[0073] The actuator is used to generate arc according to the carbon rod and the probe;

[0074] The video feedback system is used to collect arc drawing video data in real time and feed it back to the second control system. The second control system finds the target value through the feedback data combined with the linear regression model to make subtle adjustments to the stepping mechanism to ensure the continuity and reliability of arc drawing.

[0075] Specifically, (3) the automatic arc drawing experiment module is used to demonstrate the occurrence of fault arc. The structure and control principle are shown in the figure below. It is mainly composed of the following parts: a third control system, a real-time data acquisition unit, a real-time data analysis unit, a stepping mechanism, an actuator, and a video feedback system.

[0076] The third control system is an overall control system for the stepping mechanism and the actuator based on real-time data acquisition, real-time data analysis, and video feedback systems;

[0077] The real-time data acquisition unit feeds back the arc voltage value generated by real-time arcing to the control system;

[0078] The real-time data analysis unit collects real-time data and finds the target value through a linear regression model;

[0079] The stepping mechanism automatically adjusts the distance between the carbon rod and the probe through the control system to produce a stable arc.

[0080] The actuator is a device that generates an arc through a carbon rod and a probe;

[0081] The video feedback system is a control system that collects arc-drawing video data in real time and provides feedback. The control system uses the feedback data combined with a linear regression model to find the target value and make subtle adjustments to the stepping mechanism to ensure the continuity and reliability of arc drawing.

[0082] Optionally, the electrical safety equipment is also used to demonstrate the use of arc fault circuit breakers, arc fault detectors, and leakage protectors.

[0083] Therefore, the present invention provides a popular science demonstration device for safe and compliant electricity use, which can demonstrate electrical hazards such as overload, arcing, leakage, electric shock and hazard prevention, so that users can understand the correct steps and precautions for electricity use, learn how to correctly handle electricity use problems, and improve users' safety awareness.

[0084] Unless otherwise specifically stated, the relative arrangement of the parts and steps described in these embodiments, numerical expressions and numerical values ​​do not limit the scope of the present disclosure. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0085] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0086] In the description of the present disclosure, it is necessary to understand that the orientation or positional relationship indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present disclosure and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present disclosure; the directional words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0087] The above is only a preferred specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A scientific demonstration device for safe and compliant electricity use, It is characterized in that include: Scene conversion control unit, current overload test module, automatic arcing test module and power safety equipment demonstration unit, among which, The scene conversion control unit sends a signal to the current overload test module and the automatic arcing experiment module to switch the demonstration content, and feeds back the switching in place signal to the scene conversion control unit; The current overload test module is connected to the scene conversion control unit and is used to demonstrate the hazards of overload operation; The automatic arc drawing experiment module is connected to the power safety equipment demonstration unit to demonstrate the occurrence of fault arc; The electrical safety device monitors the operating status of the automatic arc-drawing experiment module and sends out an alarm signal.

2. The safe and compliant electricity use science demonstration device according to claim 1, It is characterized in that Also includes: The load module is connected to the power safety equipment demonstration unit and is used to control the load current.

3. The safe and compliant electricity use science demonstration device according to claim 1, It is characterized in that The scene conversion control unit includes: a first control system and a scene conversion control module, wherein The scene conversion control module is composed of a scene conversion mechanism and a scene positioning device. The scene conversion mechanism automatically converts the scene through the first control system, and the scene positioning device feeds back the current demonstration scene status in real time.

4. The safe and compliant electricity use science demonstration device according to claim 3, It is characterized in that The scene conversion control unit further includes: a first power supply module, which is used to provide a constant current for the scene conversion control unit.

5. The safe and compliant electricity use science demonstration device according to claim 3, It is characterized in that The scenarios include: series arc pulling / AC demonstration without any protection; series arc pulling / AC demonstration under the protection of a faulty arc detector; series arc pulling / AC demonstration under the protection of a faulty arc circuit breaker; demonstration of line heating / burning due to overload; aging of cables and leakage of electrical equipment.

6. The safe and compliant electricity use science demonstration device according to claim 1, It is characterized in that The current overload test module includes: a second control system, a current overload test unit, and an overload feedback unit, wherein A second power supply module, used for providing a constant current value for the current overload test module; The second control system is used to adjust the current value output by the second power supply module according to the data fed back by the overload feedback module and the maximum current value of the setting test; The current overload experimental unit is connected to the overload feedback module and is used to demonstrate the hazards of overload operation.

7. The safe and compliant electricity use science demonstration device according to claim 6, It is characterized in that The current overload test module also includes: a display unit, which is used to display the current value of the current output in real time.

8. The safe and compliant electricity use science demonstration device according to claim 1, It is characterized in that The automatic arc drawing experiment module includes: a third control system, a real-time data acquisition unit, a real-time data analysis unit, a stepping mechanism, an actuator and a video feedback system, wherein The third control system is used to regulate the stepping mechanism and the actuator according to the real-time data acquisition unit, the real-time data analysis unit and the video feedback system; The real-time data acquisition unit is used to feed back the arc voltage value generated by real-time arcing to the second control system; The real-time data analysis unit is used to find the target value of the arc voltage value collected by the real-time data collection unit through a linear regression model; The stepping mechanism is used to automatically adjust the distance between the carbon rod and the probe according to the feedback of the second control system to generate a stable arc; The actuator is used to generate an arc according to the carbon rod and the probe; The video feedback system is used to collect arc drawing video data in real time and feed it back to the second control system. The second control system finds the target value through the feedback data combined with the linear regression model to make subtle adjustments to the stepping mechanism to ensure the continuity and reliability of arc drawing.

9. The safe and compliant electricity use science demonstration device according to claim 1, It is characterized in that The electrical safety equipment is also used to demonstrate the use of arc fault circuit breakers, arc fault detectors, and leakage protectors.

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