Power distribution business energy level teaching device

Abstract

The utility model relates to the technical field of high-voltage metering training, and discloses a power distribution business energy level teaching device, which comprises a cabinet body, a bottom layer, a middle layer and a top layer are arranged in the cabinet body, and the middle part of the middle layer is fixedly connected with an electric energy meter I and an electric energy meter II. The bottom of the first electric energy meter and the bottom of the second electric energy meter are electrically connected with meter tail seats, the bottom of each meter tail seat is provided with an experiment junction box and a terminal wiring terminal strip, the middle of the top layer is fixedly connected with a voltage tester and a current tester, and the middle of the bottom layer is fixedly connected with an operation button and an analog power supply. A voltage transformer and a fuse are arranged in the cabinet body. According to the utility model, under the cooperation of the bottom layer, the middle layer, the top layer, the cabinet body, the cabinet door and other structures, the structure and the flat cable of each unit are visually displayed and compared, the space utilization rate is improved, the positioning of teaching units is facilitated, the display difficulty of training is reduced, and the convenience and the flexibility of the training process are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage metering training, in particular to a power distribution business worker level teaching device. Background Art

[0002] The distribution business worker level teaching device is a device specially used for training and teaching distribution business workers. It is designed to provide an environment that simulates the actual distribution system to help trainees master the skills and knowledge required by distribution business workers.

[0003] The teaching equipment for the power distribution operator level mainly includes simulation models of transformers, switchgear, distribution boxes, electricity meters, mutual inductors, overhead lines, cable lines, etc. These models can realistically display the appearance and structure of the power distribution equipment, allowing trainees to become familiar with the operation and maintenance methods of the equipment, helping trainees to quickly master the skills and knowledge required for power distribution operators, and improving training effectiveness and teaching quality.

[0004] In the existing technology, the power distribution business worker level teaching device has a relatively sophisticated structure and a reasonable design layout, which can well provide students with daily training functions. However, there is a shortcoming that the metering cabinet is often a relatively sealed integrated cabinet structure, the layout of the electrical components of each unit is relatively concentrated, and the line distribution is intricate. Students cannot intuitively understand the structure and principle of a certain unit or distinguish the structural lines of each unit, which increases the difficulty of training and reduces the training efficiency. Therefore, a power distribution business worker level teaching device is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a power distribution business worker level teaching device, which aims to improve the problems in the existing technology such as the integrated cabinet structure, complex distribution of structural lines, etc., which increases the difficulty of training and reduces the efficiency of training.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A power distribution business worker skill level teaching device includes a cabinet, wherein the cabinet is provided with a bottom layer, a middle layer, and a top layer. A first electric energy meter and a second electric energy meter are fixedly connected to the middle of the middle layer. The bottoms of the first electric energy meter and the second electric energy meter are electrically connected to a meter tail seat. An experimental junction box and a terminal block are provided at the bottom of the meter tail seat. A voltage tester and a current tester are fixedly connected to the middle of the top layer. An operation button and a simulated power supply are fixedly connected to the middle of the bottom layer. A voltage transformer and a fuse are provided inside the cabinet. A current transformer and a grounding sign are provided at the bottom of the voltage transformer and the fuse.

[0008] As a further description of the above technical solution:

[0009] A cabinet door is provided on one side of the cabinet body close to the fuse, a heat dissipation window is provided in the middle of the cabinet door, and a mounting ring is fixedly connected to the top of the cabinet body;

[0010] As a further description of the above technical solution:

[0011] The voltage transformer and the fuse are both electrically connected to the current transformer;

[0012] As a further description of the above technical solution:

[0013] The voltage tester and the current tester are specifically provided in plurality, and the plurality of voltage testers and the plurality of current testers are all electrically connected to the analog power supply;

[0014] As a further description of the above technical solution:

[0015] The voltage transformer, the fuse and the current transformer are specifically provided in plurality, and the plurality of voltage transformers, the plurality of fuses and the plurality of current transformers are all electrically connected to the analog power supply;

[0016] As a further description of the above technical solution:

[0017] A switch and a display are fixedly connected to the middle of the top layer, and a push-type door lock is provided on the outer side of the middle layer;

[0018] As a further description of the above technical solution:

[0019] Specifically, a plurality of mounting rings are provided, and the cabinet door is rotatably connected to one side of the cabinet body.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the present invention, the bottom layer, middle layer and top layer are arranged in layers, which imitates the structure of different chambers in the actual metering cabinet, facilitates the intuitive display and comparison of the structure and wiring of each unit, improves the space utilization rate, and facilitates the positioning of the teaching unit, thereby improving the convenience of teaching, reducing the difficulty of training, and thus improving the teaching efficiency and the convenience of the high-voltage measurement training process.

[0022] 2. In the present invention, the cabinet body and cabinet door are used to physically protect the internal electrical components to prevent physical damage to the internal electrical components, prevent the influence of environmental factors, and protect the equipment in good condition. The heat dissipation window reduces the internal working heat and effectively reduces the risk of thermal runaway. The mounting ring effectively fixes the cabinet body and improves the safety and stability of the device during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1This is a three-dimensional schematic diagram of a power distribution business worker level teaching device proposed by the utility model;

[0024] Figure 2 This is a structural diagram of a fuse for a power distribution business worker level teaching device proposed by the utility model;

[0025] Figure 3 This is a structural diagram of a current transformer of a power distribution business worker level teaching device proposed by the utility model.

[0026] Legend:

[0027] 1. Cabinet; 2. Bottom layer; 3. Middle layer; 4. Top layer; 5. Energy meter 1; 6. Energy meter 2; 7. Meter tail seat; 8. Experimental junction box; 9. Terminal block; 10. Voltage tester; 11. Current tester; 12. Knife switch; 13. Display; 14. Operation button; 15. Simulated power supply; 16. Voltage transformer; 17. Fuse; 18. Current transformer; 19. Grounding sign; 20. Cabinet door; 21. Heat dissipation window; 22. Mounting ring; 23. Push-type door lock. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] Reference Figure 1, the utility model provides an embodiment: a power distribution business worker level teaching device, including a cabinet 1, which is used to provide a mounting carrier for internal electrical components. The cabinet 1 is provided with a bottom layer 2, a middle layer 3 and a top layer 4, which are used to classify and display the wiring of the structure of each unit, which is convenient for targeted teaching and convenient for students to intuitively feel a certain unit, thereby improving the intuitiveness of teaching. The middle part of the middle layer 3 is fixedly connected with an electric energy meter 1 5 and an electric energy meter 2 6, which are used to test electric energy and conduct electric energy test demonstration teaching. The bottoms of the electric energy meter 1 5 and the electric energy meter 2 6 are electrically connected with a meter tail seat 7, which is used to fix and support the electric energy meter 1 5 and the electric energy meter 2 6. The bottom of the meter tail seat 7 is provided with an experimental junction box 8 and a terminal terminal block 9. The experimental junction box 8 is used for safety protection, to prevent short circuit and electric shock, and to facilitate wiring and wiring. The terminal terminal block 9 is used for wiring and power supply Signal distribution, the middle of the top layer 4 is fixedly connected with a voltage tester 10 and a current tester 11, which are used to intuitively display the current voltage and current conditions, which is convenient for training and teaching. The middle of the bottom layer 2 is fixedly connected with an operation button 14 and a simulation power supply 15. The simulation power supply 15 is used to simulate the actual power supply test circuit performance. The interior of the cabinet 1 is provided with a voltage transformer 16 and a fuse 17. The voltage transformer 16 is used for voltage conversion to improve the accuracy and reliability of voltage measurement. The fuse 17 is used for electrical short-circuit protection and safety isolation to improve the safety of the device. The bottom of the voltage transformer 16 and the fuse 17 is provided with a current transformer 18 and a grounding sign 19. The current transformer 18 is used for current conversion to improve the accuracy and reliability of current testing. The grounding sign 19 is used for safety warning to facilitate identification of the grounding system and convenient maintenance of the grounding system.

[0030] Reference Figure 2 A cabinet door 20 is provided on the side of the cabinet 1 close to the fuse 17. A heat dissipation window 21 is provided in the middle of the cabinet door 20. A mounting ring 22 is fixedly connected to the top of the cabinet 1. The cabinet 1 and the cabinet door 20 are used to physically protect the internal electrical components. The heat dissipation window 21 is used to reduce the internal working heat and effectively reduce the risk of thermal runaway. The mounting ring 22 is used to fix the cabinet 1 to improve the safety and stability of the device during operation.

[0031] Reference Figure 1-Figure 3The tail seat 7 is electrically connected to the terminal terminal block 9 to form a short-circuit connection, which is convenient for circuit testing. The voltage transformer 16 and the fuse 17 are electrically connected to the current transformer 18. The voltage tester 10 and the current tester 11 are specifically provided with multiple, multiple voltage testers 10 and multiple current testers 11 are electrically connected to the analog power supply 15, the voltage transformer 16, the fuse 17 and the current transformer 18 are specifically provided with multiple, multiple voltage transformers 16, multiple fuses 1 7 and multiple current transformers 18 are electrically connected to the analog power supply 15. Multiple settings facilitate multiple groups of comparative tests and experiments, improving teaching flexibility. A switch 12 and a display 13 are fixedly connected in the middle of the top layer 4. A push-type door lock 23 is provided on the outside of the middle layer 3. The switch 12 facilitates partial opening and closing, improving teaching safety. The push-type door lock 23 is easy to open and close, and improves ease of use. There are multiple mounting rings 22, and the cabinet door 20 is rotatably connected to one side of the cabinet body 1.

[0032] Working principle: First, start the analog power supply 15, which transmits high voltage through the voltage transformer 16. Based on electromagnetic induction, the primary winding is connected to the high-voltage line, and the secondary winding outputs a low-voltage signal. The low-voltage signal is transmitted to the voltage tester 10. By measuring the voltage of the secondary winding, the voltage value of the high-voltage line can be indirectly obtained, completing the high-voltage test training.

[0033] Secondly, start the bottom layer 2, which transmits a large current through the current transformer 18. Based on the principle of electromagnetic induction, the primary winding flows through the large current to be measured, and the secondary winding generates a proportional small current signal. By measuring the current of the secondary winding, the current in the high-voltage line can be calculated, completing the current test training.

[0034] Again, start the bottom layer 2, and the voltage transformer 16 and the current transformer 18 measure data and input them into the energy meter 1 5 and the energy meter 2 6. The energy meter 1 5 and the energy meter 2 6 calculate the energy consumption according to a certain algorithm, and can record parameters such as active energy, reactive energy, and apparent energy. They can also realize time-sharing metering, remote meter reading and other functions to complete the energy test training.

[0035] Thirdly, through the layered design of the bottom layer 2, the middle layer 3, and the top layer 4, the structure and circuit of each unit are clearly displayed in front of the students, which effectively improves the convenience of teaching, reduces the difficulty of teaching, and thus improves the teaching efficiency. The internal electrical components are physically protected by the cabinet 1 and the cabinet door 20, the heat dissipation window 21 effectively reduces the internal working heat and effectively reduces the risk of thermal runaway. The mounting ring 22 effectively fixes the cabinet 1, thereby improving the safety and stability of the device during operation.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A power distribution business worker level teaching device, comprising a cabinet (1), characterized in that: The cabinet (1) is provided with a bottom layer (2), a middle layer (3) and a top layer (4), the middle of the middle layer (3) is fixedly connected to an electric energy meter 1 (5) and an electric energy meter 2 (6), the bottoms of the electric energy meter 1 (5) and the electric energy meter 2 (6) are electrically connected to a meter tail seat (7), the bottom of the meter tail seat (7) is provided with an experimental junction box (8) and a terminal terminal block (9), the middle of the top layer (4) is fixedly connected to a voltage tester (10) and a current tester (11), the middle of the bottom layer (2) is fixedly connected to an operation button (14) and a simulation power supply (15), the cabinet (1) is provided with a voltage transformer (16) and a fuse (17), the bottoms of the voltage transformer (16) and the fuse (17) are provided with a current transformer (18) and a grounding sign (19).

2. The power distribution business worker skill level teaching device according to claim 1, characterized in that: A cabinet door (20) is provided on one side of the cabinet body (1) close to the fuse (17), a heat dissipation window (21) is provided in the middle of the cabinet door (20), and a mounting ring (22) is fixedly connected to the top of the cabinet body (1).

3. The power distribution business worker skill level teaching device according to claim 1, characterized in that: The meter tail seat (7) is electrically connected to the terminal terminal block (9).

4. The power distribution business worker skill level teaching device according to claim 1, characterized in that: The voltage transformer (16) and the fuse (17) are both electrically connected to the current transformer (18).

5. The power distribution business worker skill level teaching device according to claim 1, characterized in that: The voltage tester (10) and the current tester (11) are specifically provided in plurality, and the plurality of voltage testers (10) and the plurality of current testers (11) are all electrically connected to the analog power supply (15).

6. The power distribution business worker skill level teaching device according to claim 1, characterized in that: The voltage transformer (16), the fuse (17) and the current transformer (18) are specifically provided in plurality, and the plurality of voltage transformers (16), the plurality of fuses (17) and the plurality of current transformers (18) are all electrically connected to the analog power supply (15).

7. The power distribution business worker skill level teaching device according to claim 1, characterized in that: A knife gate (12) and a display (13) are fixedly connected to the middle of the top layer (4), and a push-type door lock (23) is provided on the outer side of the middle layer (3).

8. The power distribution business worker skill level teaching device according to claim 2, characterized in that: Specifically, a plurality of the mounting rings (22) are provided, and the cabinet door (20) is rotatably connected to one side of the cabinet body (1).

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