Partial discharge simulation training structure developed based on TRIZ theory and protection device

Abstract

The invention relates to the technical field of environment simulation, in particular to a partial discharge simulation training structure developed based on the TRIZ theory and a protection device, and the structure comprises a mechanical arm and a test component which can generate an electric arc with the mechanical arm. The mechanical arm is externally connected with a high-voltage pack driving circuit. The beneficial effects of the invention are that an efficient and convenient learning platform is provided for employees by simulating a real fault scene, and the distance between theory and practice is greatly shortened; meanwhile, along with the continuous development and transformation of the power industry, the demand for high-quality and high-skill talents is increasingly urgent. The simulation training device shows huge application potential in the field of professional training of power operation by virtue of intuition, practicability and high efficiency of the simulation training device.

Description

Technical Field

[0001] The invention relates to the technical field of environmental simulation, in particular to a partial discharge simulation training structure and a protection device developed based on TRIZ theory. Background Art

[0002] With the continuous development and change of the power industry, the demand for high-quality and highly skilled talents is becoming increasingly urgent. Our partial discharge abnormality simulation training device, with its intuitiveness, practicality and efficiency, has shown great application potential in the field of professional training for power operation. It can not only be fully promoted within the company and become an essential tool for new employee induction training and old employee skill improvement; it can also cross industry boundaries and provide strong support for skill training in other related fields. The partial discharge abnormality simulation training device is expected to become a shining pearl in the field of skill training in the power industry, and make important contributions to improving the overall technical level of the industry and ensuring the safe and stable operation of the power grid. Summary of the invention

[0003] Some simplifications or omissions may be made in this section and the abstract and title of the present application to avoid obscuring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions shall not be used to limit the scope of the present invention.

[0004] In view of the above-mentioned prior art problems, the present invention is proposed.

[0005] The present invention aims to provide a partial discharge simulation training structure developed based on TRIZ theory, which aims to solve the problem of simulating the breakdown of real components.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a partial discharge simulation training structure developed based on TRIZ theory, which includes a mechanical arm and a test component that can generate an arc with the mechanical arm;

[0007] The robot arm is externally connected to a high-voltage package drive circuit.

[0008] As a preferred solution of the partial discharge simulation training structure developed based on TRIZ theory in the present invention, the mechanical arm comprises a support, a rotating rod is rotatably arranged on the surface of the support, and an arc rod is connected to the other end of the rotating rod.

[0009] As a preferred solution of the partial discharge simulation training structure developed based on TRIZ theory in the present invention, there are multiple rotating rods, and a driving motor is arranged between two of the rotating rods.

[0010] As a preferred solution of the partial discharge simulation training structure developed based on TRIZ theory in the present invention, wherein: the high-voltage package driving circuit includes a screw-type terminal P1;

[0011] The screw terminal P1 is externally connected to a No. 1 transistor and a No. 2 transistor, and one end of the No. 1 transistor and the No. 2 transistor is connected to the ground.

[0012] As a preferred solution of the partial discharge simulation training structure developed based on TRIZ theory in the present invention, wherein: a first resistor and a second resistor are connected in series between the transistor No. 1 and the transistor No. 2;

[0013] The first transistor is externally connected to a third resistor, which is connected in parallel with the first resistor; the second transistor is externally connected to a fourth resistor, which is connected in parallel with the second resistor.

[0014] As a preferred solution of the partial discharge simulation training structure developed based on TRIZ theory of the present invention, wherein: a first voltage stabilizing diode and a first diode are connected between the first transistor and the third resistor, and the other end is connected between the screw terminal P1 and the second transistor;

[0015] A second voltage stabilizing diode and a second diode are connected between the second transistor and the fourth resistor, and the other end is connected between the screw terminal P1 and the first transistor.

[0016] As a preferred solution of the partial discharge simulation training structure developed based on TRIZ theory of the present invention, wherein: the screw terminal P1 is externally connected to capacitor No. 1 and capacitor No. 2, and the capacitor No. 1 and capacitor No. 2 are connected in parallel.

[0017] As a preferred solution of the partial discharge simulation training structure developed based on TRIZ theory in the present invention, water mist nozzles and carbon powder nozzles are arranged around the mechanical arm.

[0018] The beneficial effect of the partial discharge simulation training structure developed based on TRIZ theory of the present invention is that by simulating real fault scenarios, an efficient and convenient learning platform is provided for employees, which greatly shortens the distance between theory and practice.

[0019] Another object of the present invention is to provide a protection device, which aims to ensure the safety of the simulation environment.

[0020] In order to solve the above technical problems, the present invention also provides the following technical solutions: a protection device, which includes a partial discharge simulation training structure developed based on TRIZ theory; and a supporting frame for carrying the partial discharge simulation training structure developed based on TRIZ theory, and a mounting frame arranged inside the supporting frame.

[0021] As a preferred solution of the protection device of the present invention, the outer wall of the support frame is provided with a glass surface.

[0022] The protective device of the present invention has the beneficial effect that, through the cooperation between the frame and the glass, the safety of the spectators can be ensured, and the real scene simulated inside can be seen by the naked eye. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. Among them:

[0024] Figure 1 It is a schematic diagram of the coordination of the robot arm and the test components in the present invention.

[0025] Figure 2 This is a schematic diagram of the appearance of the robotic arm in the present invention.

[0026] Figure 3 It is a schematic diagram of the high-voltage package driving circuit in the present invention.

[0027] Figure 4 It is a schematic diagram of the protection device in the present invention.

[0028] Figure 5 It is a schematic diagram of the installation of the internal equipment of the protection device in the present invention. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0030] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0031] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

[0032] Example 1

[0033] Reference Figure 1, which is the first embodiment of the present invention, and provides a partial discharge simulation training structure developed based on TRIZ theory, including a mechanical arm 100, and a test component 200 that can generate an arc with the mechanical arm 100;

[0034] The robot arm 100 is externally connected to a high-voltage package driving circuit.

[0035] Among them, the robot arm 100 uses a commercially available robot arm that can be adjusted at multiple angles. Its function is to adjust different angles to facilitate the simulation of factors such as the angle and distance of contact between high voltage electricity and components; at the same time, it can adjust the position between the robot arm 100 and different components; the test components 200 can be bushings, copper bars, cable heads and other equipment that may break down during actual use. Different test components 200 are distributed around the robot arm 100 and set at different heights instead of on the same plane. The advantage of such a design is that during operation, the operator does not retract the robot arm, resulting in the robot arm 100 touching the test components 200 when the robot arm 100 rotates on the same plane due to the different sizes of the test components 200; the advantage of the different height design is that a single test component 200 will not have a second test component at the same horizontal height to avoid accidental contact; at the same time, the multi-angle adjustable robot arm can adapt to test components 200 of different heights to adjust different angles and positions.

[0036] A high-voltage package drive circuit is connected to the robot arm 100. The high-voltage package is used as a simulated discharge device in this project. A switching power supply is required to provide a stable voltage. The principle of the high-voltage package is mainly based on electromagnetic induction and the process of charge accumulation and discharge. Specifically, the high-voltage package is usually composed of a coil, an iron core, and a shell. Its core function is to convert low-voltage electricity into high-voltage electricity. The main function of its high-voltage package drive circuit is to simulate scenarios of discharges at different voltages, such as 10kv, 20kv, 50kv, etc.; it can simulate discharge scenarios between test components 200 under different voltage scenarios, restore the actual test scenario of partial discharge, and is used for simulated teaching.

[0037] When in use, the components used in daily life can be placed around the robot arm 100, and then the components to be tested can be simulated according to the required simulation scenario. For example, some dust that may exist in daily use can be sprinkled on its surface, and some water mist can be sprayed around to simulate a more realistic daily environment; then the voltage released by the robot arm 100 is adjusted through the high-voltage package drive circuit to achieve a breakdown effect.

[0038] Example 2

[0039] Reference Figures 1 to 3, which is a second embodiment of the present invention, includes a mechanical arm 100 including a support 101, a rotating rod 102 is rotatably provided on the surface of the support 101, and an arc rod 103 is connected to the other end of the rotating rod 102.

[0040] Among them, a rotating rod 102 is rotatably installed on the upper surface of the support 101, and an arc rod 103 is rotatably connected to the other end away from the support 101, that is, the rotating rod 102 on the upper surface of the support 101 can rotate around the axis, and can also rotate up and down. The rotating rod 102 is rotatably connected to the arc rod 103. The advantage of this design is that it increases the adjustment distance and can achieve multi-angle rotation at multiple points, making the robotic arm 100 more flexible.

[0041] There are multiple rotating rods 102 , and a driving motor is disposed between two rotating rods 102 .

[0042] Preferably, several more rotating rods 102 can be installed between the support 101 and the arc rod 103, and a driving motor can be installed between the two rotating rods 102, that is, a driving motor is installed at the other end of the rotating rod 102 rotatably connected to the support 101 away from the support 101, and the output shaft of the driving motor is connected to the next rotating rod 102 to realize the self-rotation of the second rotating rod 102; similarly, the driving motor can also be fixed to the outer wall of the first rotating rod 102, and the output shaft can be installed vertically to the first rotating rod 102, so that the second rotating rod 102 can be rotated up and down, and the rotation mode of the rotating rod 102 can be installed according to specific needs, and both self-rotation and up and down rotation can be realized.

[0043] The high-voltage package driving circuit includes a screw terminal P1;

[0044] The screw terminal P1 is externally connected to the first transistor Q1 and the second transistor Q2, and the adjacent ends of the first transistor Q1 and the second transistor Q2 are grounded.

[0045] Among them, transistor No. 1 Q1 and transistor No. 2 Q2 are selected from the transistor model IRFP260, which is an N-channel field effect transistor with high current capability and low internal resistance. In this circuit, the transistor performs switching under zero voltage conditions, thereby reducing power consumption and increasing the power output of the circuit. Q1 and Q2 are alternately turned on and off to form oscillation.

[0046] A first resistor R1 and a second resistor R2 are connected in series between the first transistor Q1 and the second transistor Q2;

[0047] The first transistor Q1 is externally connected to a third resistor R3 in parallel with the first resistor R1 ; the second transistor Q2 is externally connected to a fourth resistor R4 in parallel with the second resistor R2 .

[0048] Among them, a first resistor R1 and a second resistor R2 are connected in series between transistor No. 1 Q1 and transistor No. 2 Q2; one end of the third resistor R3 is connected between transistor No. 1 Q1 and the first resistor R1, and the other end is connected to the end of transistor No. 1 Q1 close to the ground end; one end of the fourth resistor R4 is connected between transistor No. 2 Q2 and the second resistor R2, and the other end is connected to the end of transistor No. 2 Q2 close to the ground end. Resistors play the role of current limiting, voltage dividing and providing bias voltage in the circuit. For example, the third resistor R3 and the fourth resistor R4 may be used to provide a suitable bias voltage for the transistor to ensure its normal operation. At the same time, the resistor can also limit the size of the current and protect other components in the circuit. An external voltage is connected between the first resistor R1 and the second resistor R2.

[0049] A first voltage stabilizing diode D3 and a first diode D1 are connected between the first transistor Q1 and the third resistor R3, and the other end is connected between the screw terminal P1 and the second transistor Q2;

[0050] The second voltage stabilizing diode D4 and the second diode D2 are connected between the second transistor Q2 and the fourth resistor R4, and the other end is connected between the screw terminal P1 and the first transistor Q1.

[0051] The diode plays a coupling role in the circuit, and the circuit can switch back and forth between two stable states, thereby achieving oscillation. When the transistor on one side is turned on, the diode pulls down the gate voltage of the transistor on the other side to ensure that it is turned off.

[0052] The screw terminal P1 is externally connected to a capacitor No. 1 C1 and a capacitor No. 2 C2, and the capacitor No. 1 C1 and the capacitor No. 2 C2 are connected in parallel.

[0053] Capacitor No. 1 C1 and capacitor No. 2 C2 are connected in parallel and in parallel with the screw terminal P1. After capacitor No. 1 C1 and capacitor No. 2 C2 are connected in parallel, one end is connected between diode No. 1 D1 and screw terminal P1, and the other end is connected between screw terminal P1 and diode No. 2 D2. Capacitors play the role of energy storage, filtering and forming a resonant circuit in the circuit. C1 and C2 together with inductor L1 form an LC resonant circuit, which enables the circuit to generate high-frequency sine waves. At the same time, capacitors can also filter out high-frequency noise and interference signals in the circuit.

[0054] It should be noted that the output end of the screw terminal P1 is connected with an inductor L1, which plays the role of storing energy, forming a resonant circuit and limiting the current change rate in the circuit. The inductor L1 and the capacitor C1 together form a resonant circuit, which determines the oscillation frequency of the circuit. At the same time, the inductor L1 can also limit the change rate of the current and protect other components in the circuit from the impact of transient current.

[0055] The robot arm 100 is surrounded by water mist nozzles and carbon powder nozzles.

[0056] Among them, the water mist nozzle can be implemented with an existing humidifier to humidify the surrounding air to simulate the environmental humidity; the toner nozzle can use a fan to drive the air flow and drive the toner to fly, simulating the effect of dust wrapped in the air in reality. The advantage of using toner here is that it is more conducive to conductivity; using water mist nozzles and toner nozzles to simulate the humidity and dust levels in reality can allow viewers to more intuitively understand the sound of component breakdown, arc appearance, etc. in reality, so that students can intuitively witness the discharge form and deeply understand its principles, manifestations and operating procedures.

[0057] In summary, before use, a water mist nozzle and a carbon powder nozzle can be used to simulate an environment, and then the motor can be controlled to adjust the arc rod 103 to a suitable position, and then the voltage can be increased through the high-voltage package driving circuit to simulate the breakdown effect.

[0058] Example 3

[0059] Reference Figures 1 to 5 , which is the third embodiment of the present invention, further provides a protection device, including a support frame 300 for carrying a partial discharge simulation training structure developed based on TRIZ theory, and a mounting frame 301 arranged inside the support frame 300 .

[0060] Among them, a hexagonal frame is welded with square tubes to form a support frame 200, and mounting frames 301 of different shapes are installed inside the support frame 300. The main function is to facilitate the fixation of the test components 300. The mounting frames 301 of corresponding shapes can be made according to the shapes of different test components 300, and then the test components 300 are fixedly connected to the mounting frames 301 by bolts; for example, when the test component 200 is a sleeve, the mounting frame 301 can be a flat plate with a hole in the middle that is larger than the radius of the sleeve. The sleeve is passed through the hole, and the sleeve is fixedly connected to the flat plate by bolts.

[0061] The outer wall of the supporting frame 300 is provided with a glass surface 302 .

[0062] The support frame 300 is sealed with glass surfaces 302 on all sides. The glass surfaces 302 are transparent glass on the market. The advantage of this design is that it provides protection while facilitating students to watch from the outside. At the same time, two of the glass surfaces 302 are provided with holes for installing water mist nozzles and carbon powder nozzles to ensure that water mist and carbon powder can enter the interior of the support frame 300. Specifically, as shown in FIG. X, the water mist nozzle installation hole starts on the lower surface of the glass surface 302, and the carbon powder nozzle installation hole starts on the left side of the glass surface 302.

[0063] In summary, the control of the internal robot arm 100 can rely on remote control to control the rotation of the drive motor, which is a prior art and will not be described in detail, so as to adjust the position of the arc rod 103.

[0064] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present invention. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other replacements, modifications, changes and omissions can be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the invention is not limited to a specific embodiment, but extends to numerous modifications still falling within the scope of the appended claims.

[0065] Additionally, in order to provide a concise description of exemplary embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0066] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0067] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A partial discharge simulation training structure developed based on TRIZ theory, characterized by: It comprises a mechanical arm (100) and a test component (200) capable of generating an arc with the mechanical arm (100); The mechanical arm (100) is externally connected to a high-voltage package driving circuit.

2. The partial discharge simulation training structure developed based on TRIZ theory as claimed in claim 1, characterized in that: The mechanical arm (100) comprises a support (101), a rotating rod (102) is rotatably provided on the surface of the support (101), and the other end of the rotating rod (102) is connected to an arc rod (103).

3. The partial discharge simulation training structure developed based on TRIZ theory as claimed in claim 2, characterized in that: A plurality of rotating rods (102) are provided, and a driving motor is provided between two rotating rods (102).

4. The partial discharge simulation training structure developed based on TRIZ theory as claimed in claim 3, characterized in that: The high-voltage package driving circuit includes a screw-type terminal P1; The screw-type terminal P1 is externally connected to a first transistor (Q1) and a second transistor (Q2), and adjacent ends of the first transistor (Q1) and the second transistor (Q2) are grounded.

5. The partial discharge simulation training structure developed based on TRIZ theory as claimed in claim 4, characterized in that: A first resistor (R1) and a second resistor (R2) are connected in series between the first transistor (Q1) and the second transistor (Q2); The first transistor (Q1) is externally connected to a third resistor (R3) and is connected in parallel with the first resistor (R1); the second transistor (Q2) is externally connected to a fourth resistor (R4) and is connected in parallel with the second resistor (R2).

6. The partial discharge simulation training structure developed based on TRIZ theory as claimed in claim 5, characterized in that: A first voltage stabilizing diode (D3) and a first diode (D1) are connected between the first transistor (Q1) and the third resistor (R3), and the other end is connected between the screw terminal P1 and the second transistor (Q2); A second voltage stabilizing diode (D4) and a second diode (D2) are connected between the second transistor (Q2) and the fourth resistor (R4), and the other end is connected between the screw terminal P1 and the first transistor (Q1).

7. The partial discharge simulation training structure developed based on TRIZ theory as claimed in claim 6, characterized in that: The screw-type terminal P1 is externally connected to a capacitor No. 1 (C1) and a capacitor No. 2 (C2), and the capacitor No. 1 (C1) and the capacitor No. 2 (C2) are connected in parallel.

8. The partial discharge simulation training structure developed based on TRIZ theory as claimed in any one of claims 1 to 7, characterized in that: The mechanical arm (100) is provided with water mist nozzles and carbon powder nozzles around its periphery.

9. A protection device, characterized in that: It comprises the partial discharge simulation training structure developed based on TRIZ theory as described in any one of claims 1 to 8; and a support frame (300) for carrying the partial discharge simulation training structure developed based on TRIZ theory, and a mounting frame (301) arranged inside the support frame (300).

10. The protection device according to claim 7, characterized in that: The outer wall of the support frame (300) is provided with a glass surface (302).

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