High-voltage electrician operation practical training examination equipment
By designing high-voltage electrical work training and assessment equipment, simulating actual power systems and equipping them with safety protection mechanisms, the problem of traditional training methods failing to provide a realistic environment is solved, improving operational capabilities and safety, and providing detailed operation records and assessment results.
Patent Information
- Application Number
- CN202422929193.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-11-29
AI Technical Summary
Traditional training methods fail to provide a realistic high-voltage electrical work environment, which may lead to errors by trainees when facing actual operations, resulting in safety accidents.
Design a high-voltage electrical work training and assessment device, including an electrical simulation module, a safety protection module, and a training and assessment module. It simulates the actual power system through electrical components and wiring methods, is equipped with multiple safety protection mechanisms, and monitors electrical parameters in real time through current transformers and voltage transformers, providing a highly simulated operating environment and safety protection.
It improves trainees' practical skills and ability to handle complex situations, ensures safety during operation, and provides detailed operation records and assessment results through multi-functional instruments, helping trainees to understand the operation status in a timely manner.
Smart Images
Figure CN223566221U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to power system safety and training technical field, concretely is a kind of high voltage work practice training examination equipment. BACKGROUND
[0002] With the rapid development of electric power industry, the professional skills and safe operation requirements of electric power practitioners are higher and higher. High-voltage work is an indispensable part of power system, and its operation complexity and potential danger. It is required that the operating personnel must have high professional knowledge and skills, and strict safety awareness. However, the traditional training method often can not provide real working environment, so that the students may make operation mistakes when facing actual high-voltage work, and then cause safety accidents. SUMMARY
[0003] The utility model aims at providing a kind of high voltage work practice training examination equipment to solve the problems raised in the above background technology.
[0004] The technical scheme of the utility model is: a kind of high voltage work practice training examination equipment, including electrical simulation module, safety protection module and practice training examination module, the safety protection module and practice training examination module are electrically connected electrical simulation module;
[0005] Electrical simulation module, through electrical element and wiring mode, carries out the operation training of power system;
[0006] Safety protection module, the electrical simulation module is cut off with power supply;
[0007] Practice training examination module, the result of the operation training is displayed.
[0008] Further, the electrical simulation module includes:
[0009] Control unit, through the wiring mode of dual power supply, carries out power switching, fault detection and protection setting;
[0010] Positioning unit, cabinet top busbar is set.
[0011] Further, the control unit comprises an A2-phase input, a B2-phase input and a C2-phase input, the A2-phase input, the B2-phase input and the C2-phase input are electrically connected to the circuit breaker 4QK and the voltage transformer JDZ6-1, the A2-phase input is electrically connected to the fuse FUa through the circuit breaker 4QK and the voltage transformer JDZ6-1, the B2-phase input is electrically connected to the fuse FUb through the circuit breaker 4QK and the voltage transformer JDZ6-1, the C2-phase input is electrically connected to the fuse FUc through the circuit breaker 4QK and the voltage transformer JDZ6-1, and the fuse FUa, the fuse FUb and the fuse FUc are electrically connected to the contactor YMa, the contactor YMb and the contactor YMc through the relay KA2, and the contactor YMa, the contactor YMb and the contactor YMc are electrically connected to the cabinet top busbar.
[0012] Further, the cabinet top busbar is a copper core polyvinyl chloride insulated wire with a cross-sectional area of 6 square millimeters.
[0013] Further, the safety protection module comprises:
[0014] The protection unit measures three-phase current, zero sequence current and phase voltage;
[0015] The power supply unit is electrically connected to the protection unit and the electrical simulation module through a double-circuit power supply system.
[0016] Further, the protection unit comprises a current measurement circuit and a voltage measurement circuit;
[0017] The current measurement circuit obtains the current values of A-phase current, B-phase current, C-phase current, neutral line current and zero sequence current through a current transformer;
[0018] The voltage measurement circuit obtains the voltage values of A-phase voltage, B-phase voltage and C-phase voltage through a voltage transformer.
[0019] Further, the power supply unit comprises a power input I and a power input II, the power input I is electrically connected to the circuit breaker QF1, the circuit breaker QF1 is electrically connected to the current transformers 1LHa~c and 2LHa~c, and the current transformers 1LHa~c and 2LHa~c are both electrically connected to a parallel circuit;
[0020] The power input II is electrically connected to the circuit breaker QF2, the circuit breaker QF2 is electrically connected to the current transformers 3LHa~c and 4LHa~c, and the current transformers 3LHa~c and 4LHa~c are both electrically connected to a parallel circuit;
[0021] The parallel circuit is electrically connected to the incoming line cabinet.
[0022] Further, the parallel circuit comprises a voltage transformer, a lightning arrester, a disconnecting switch, a resistance, a capacitor and an LED lamp, the capacitor is electrically connected with the LED lamp, the voltage transformer, the lightning arrester, the disconnecting switch, the resistance and the capacitor are directly connected in parallel with each other, and the resistance and the LED lamp are grounded.
[0023] Further, the practical training and examination module comprises a multifunctional instrument, the multifunctional instrument is electrically connected with the current transformer 3LHa, the current transformer 3LHb and the current transformer 3LHc, the multifunctional instrument is electrically connected with the voltage transformer, and the current transformer 3LHa, the current transformer 3LHb, the current transformer 3LHc and the voltage transformer are grounded.
[0024] Further, the practical training and examination module further comprises the contactor YMa, the contactor YMb and the contactor YMc and auxiliary contact points, the contactor YMa is electrically connected with the fuse 1FUa, the contactor YMb is electrically connected with the fuse 1FUb, the contactor YMc is electrically connected with the fuse 1FUc, the fuse 1FUa is electrically connected with the auxiliary contact point A-09, the fuse 1FUb is electrically connected with the auxiliary contact point A-10, and the fuse 1FUc is electrically connected with the auxiliary contact point A-11.
[0025] The auxiliary contact points comprise the auxiliary contact point A-01, the auxiliary contact point A-02, the auxiliary contact point A-03, the auxiliary contact point A-04, the auxiliary contact point A-05, the auxiliary contact point A-06, the auxiliary contact point A-07 and the auxiliary contact point A-08, the auxiliary contact point A-01 is electrically connected with the voltage transformer 1D1, the voltage transformer 1D1 is electrically connected with the current transformer 4LHa, the auxiliary contact point A-02 is electrically connected with the voltage transformer 1D4, the auxiliary contact point A-03 is electrically connected with the voltage transformer 1D2, the voltage transformer 1D2 is electrically connected with the current transformer 4LHb, the auxiliary contact point A-04 is electrically connected with the voltage transformer 1D5, the auxiliary contact point A-05 is electrically connected with the voltage transformer 1D3, the voltage transformer 1D3 is electrically connected with the current transformer 4LHc, the auxiliary contact point A-06 is electrically connected with the voltage transformer 1D6, and the current transformer 4LHa, the current transformer 4LHb, the current transformer 4LHc, the voltage transformer 1D4, the voltage transformer 1D5 and the voltage transformer 1D6 are grounded.
[0026] The utility model discloses an improvement provides a kind of high voltage work practical training examination equipment, compared with prior art, with following improvements and advantages:
[0027] First: Through electrical components and wiring methods, the utility model simulates high-voltage switch cabinets, transformers, current transformers, voltage transformers, lightning arresters, etc. in an actual power system to construct a highly simulated working environment, enabling users to conduct operation training in an environment close to real conditions, which helps improve practical operation ability and the ability to handle complex situations.
[0028] Second: The utility model is equipped with multiple safety protection mechanisms such as overcurrent protection, short-circuit protection, and grounding protection, which are realized through components such as fuses, circuit breakers, and relays. At the same time, electrical parameters are real-time monitored through current transformers and voltage transformers. Once an abnormal situation is detected, the power supply can be quickly cut off, thus ensuring the safety of users during operation.
[0029] Third: By presetting various fault scenarios, such as circuit breaker tripping, transformer failure, and poor grounding, etc., and stipulating to find and eliminate faults within a preset time, it helps improve the emergency handling ability. At the same time, through multifunctional meters and auxiliary contacts, electrical parameters such as current and voltage are real-time collected and displayed, providing detailed operation records and assessment results, which can help users timely understand their operation conditions. BRIEF DESCRIPTION OF THE DRAWINGS
[0030] The following further explains the utility model in conjunction with the drawings and embodiments:
[0031] Figure 1 is the system block diagram of the high-voltage electric work training and assessment equipment of the utility model;
[0032] Figure 2 is the circuit diagram of the control unit of the utility model;
[0033] Figure 3 is the diagram of the positioning unit of the utility model;
[0034] Figure 4 is the circuit diagram of the protection unit of the utility model;
[0035] Figure 5 is the circuit diagram of the power supply unit of the utility model;
[0036] Figure 6 is the circuit diagram of the multifunctional meter in the training and assessment module of the utility model; DETAILED DESCRIPTION OF THE EMBODIMENTS
[0037] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work belong to the scope of protection of the present application.
[0038] It should be noted that, in the description of the present application, the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.
[0039] In addition, it should be understood that, for the convenience of description, the sizes of various components shown in the drawings are not drawn in accordance with the actual proportional relationship, for example, the thickness or width of certain layers can be exaggerated relative to other layers.
[0040] It should be noted that similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined or described in one drawing, it will not need to be further specifically discussed and described in the description of subsequent drawings.
[0041] Reference Figures 1-6 The present embodiment provides a high-voltage electrical work training and examination device, which comprises an electrical simulation module, a safety protection module and a training and examination module, wherein the safety protection module and the training and examination module are electrically connected to the electrical simulation module. Specifically, the electrical simulation module is used for operation training of a power system through electrical elements and wiring methods. The safety protection module is used for cutting off the electrical simulation module from the power supply, thereby protecting the electrical simulation module. The training and examination module is used for collecting current and voltage signals through current transformers and voltage transformers, controlling the working state of external devices through auxiliary contacts and contactors, and displaying the results of operation training.
[0042] In the present embodiment, the electrical simulation module comprises a control unit and a positioning unit. Specifically, the control unit performs power switching, fault detection and protection setting through a wiring method of double power supply, monitors and protects a three-phase alternating current system through a voltage transformer, and controls through a relay and a contactor. At the same time, each phase is converted to a lower voltage through a voltage transformer, then protected through a fuse, and finally controlled by a relay to actuate a contactor, thereby realizing control and protection of the system.
[0043] Further, the control unit includes an A2-phase input, a B2-phase input, and a C2-phase input, all electrically connected to the circuit breaker 4QK and the voltage transformer JDZ6-1, while the A2-phase input is electrically connected to the fuse FUa through the circuit breaker 4QK and the voltage transformer JDZ6-1, the B2-phase input is electrically connected to the fuse FUb through the circuit breaker 4QK and the voltage transformer JDZ6-1, and the C2-phase input is electrically connected to the fuse FUc through the circuit breaker 4QK and the voltage transformer JDZ6-1, and the fuse FUa, the fuse FUb, and the fuse FUc are all electrically connected to the contactor YMa, the contactor YMb, and the contactor YMc through the relay KA2, and the contactor YMa, the contactor YMb, and the contactor YMc are all electrically connected to the cabinet top busbar.
[0044] Further, the positioning unit is used to set the cabinet top busbar. In this embodiment, the cabinet top busbar uses a copper core polyvinyl chloride insulated wire with a cross-sectional area of 6 square millimeters, and reference is made to Figure 3 It can be seen that in the chart of this embodiment, five different cabinet units from the AH1 cabinet to the AH5 cabinet are arranged horizontally in the middle part of the chart, and there are five horizontal lines in the vertical direction below the chart representing different function busbars, which are:
[0045] YMc: a busbar with a specific purpose or identification.
[0046] YMb: a busbar with a special function or mark.
[0047] YMa: a busbar with a specific meaning.
[0048] N: a zero line responsible for return current.
[0049] L: live wire, i.e. fire wire.
[0050] It is worth noting that the high-voltage electrical work practice examination equipment in this embodiment works in an alternating current power environment.
[0051] In this embodiment, the safety protection module includes a protection unit and a power supply unit. Further, the protection unit can accurately measure and monitor three-phase current, zero sequence current, and phase voltage through the current transformer and the voltage transformer, thereby realizing effective power system protection and management. Specifically, the protection unit includes a current measurement circuit and a voltage measurement circuit. The current measurement circuit obtains the current values of A-phase current, B-phase current, C-phase current, neutral line current, and zero sequence current through the current transformer, and the voltage measurement circuit obtains the voltage values of A-phase voltage, B-phase voltage, and C-phase voltage through the voltage transformer.
[0052] Further, the power supply unit is electrically connected with the protection unit and the electrical simulation module through a double circuit power supply system. Specifically, the power supply unit comprises a power input I circuit and a power input II circuit. The power input I circuit is electrically connected with a circuit breaker QF1, and the circuit breaker QF1 is electrically connected with current transformers 1LHa~c and 2LHa~c, and the current transformers 1LHa~c and 2LHa~c are both electrically connected with a parallel circuit. The power input II circuit is electrically connected with a circuit breaker QF2, and the circuit breaker QF2 is electrically connected with current transformers 3LHa~c and 4LHa~c, and the current transformers 3LHa~c and 4LHa~c are both electrically connected with the parallel circuit. The parallel circuit is electrically connected with an incoming line cabinet. The parallel circuit comprises a voltage transformer, an arrester, a disconnector, a resistor, a capacitor and an LED lamp, and the capacitor is electrically connected with the LED lamp, and the voltage transformer, the arrester, the disconnector, the resistor and the capacitor are directly connected with each other in parallel, and the resistor and the LED lamp are both grounded. That is to say, the power supply unit ensures the normal operation and safety of the system through the key components such as the power input, the circuit breaker, the current transformer, the voltage transformer, the arrester, the disconnector and the grounding device.
[0053] In the embodiment, the practical training and examination module comprises a multifunctional instrument, contactors YMa, YMb and YMc, and auxiliary contact points. Specifically, the multifunctional instrument is electrically connected with current transformers 3LHa, 3LHb and 3LHc, and the multifunctional instrument is electrically connected with a voltage transformer, and the current transformers 3LHa, 3LHb, 3LHc and the voltage transformer are all grounded.
[0054] Further, the contactors YMa, YMb and YMc, the contactor YMa is electrically connected with a fuse 1FUa, the contactor YMb is electrically connected with a fuse 1FUb, and the contactor YMc is electrically connected with a fuse 1FUc, and the fuse 1FUa is electrically connected with an auxiliary contact point A-09, the fuse 1FUb is electrically connected with an auxiliary contact point A-10, and the fuse 1FUc is electrically connected with an auxiliary contact point A-11.
[0055] Further, the auxiliary contact points include auxiliary contact point A-01, auxiliary contact point A-02, auxiliary contact point A-03, auxiliary contact point A-04, auxiliary contact point A-05, auxiliary contact point A-06, auxiliary contact point A-07 and auxiliary contact point A-08, auxiliary contact point A-01 is electrically connected with voltage transformer 1D1, voltage transformer 1D1 is electrically connected with current transformer 4LHa, auxiliary contact point A-02 is electrically connected with voltage transformer 1D4, auxiliary contact point A-03 is electrically connected with voltage transformer 1D2, voltage transformer 1D2 is electrically connected with current transformer 4LHb, auxiliary contact point A-04 is electrically connected with voltage transformer 1D5, auxiliary contact point A-05 is electrically connected with voltage transformer 1D3, voltage transformer 1D3 is electrically connected with current transformer 4LHc, auxiliary contact point A-06 is electrically connected with voltage transformer 1D6, and current transformer 4LHa, current transformer 4LHb, current transformer 4LHc, voltage transformer 1D4, voltage transformer 1D5 and voltage transformer 1D6 are grounded.
[0056] That is, the multifunctional instrument can receive current and voltage signals through the current transformer and the voltage transformer, measure and display the electric quantity parameters, the auxiliary contact points are used for controlling the working state of the external equipment and also used for expanding the functions of the multifunctional instrument, such as alarm output and remote control.
[0057] In the process of specific implementation, the power is connected to power input I back and power input II back of the power supply unit, and is protected through circuit breaker QF1 and circuit breaker QF2. At the same time, three-phase current and voltage signals are collected through the current transformer and the voltage transformer, and are transmitted to the protection unit and the multifunctional instrument, and the power supply switching, fault detection and protection setting are realized through circuit breaker 4QK, voltage transformer JDZ6-1, fuse FUa, fuse FUb, fuse FUc and relay KA2 of the control unit. It is worth noting that the protection unit monitors the current and voltage through the current transformer and the voltage transformer, and immediately cuts off the power supply once the abnormality is detected, so as to ensure the safety of the system. That is, the monitored current value and voltage value are compared with the preset current value and voltage value (the preset current value and voltage value can be set according to the actual operation, so the specific data is not described in this embodiment), and when the monitored current value / voltage value exceeds the preset current value / voltage value, the power supply is cut off through the circuit breaker to ensure the safety of the system.
[0058] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A high-voltage electrical work training examination device, characterized in that, The electric simulation module, the safety protection module and the practical training and examination module are electrically connected. The electric simulation module is used for operating training of the power system through electric elements and wiring mode. The safety protection module is used for cutting off the electric simulation module and the power supply. The practical training and examination module is used for displaying the operating training result.
2. The high-voltage work practice training examination device of claim 1, wherein, The electric simulation module comprises: The control unit is used for switching the power supply, detecting faults and setting protection through double power supply wiring mode. The positioning unit is used for setting the cabinet top busbar.
3. The high-voltage work practice training assessment device of claim 2, wherein, The control unit comprises A2 phase input, B2 phase input and C2 phase input, which are electrically connected with circuit breaker 4QK and voltage transformer JDZ6-1.
4. The high-voltage work practice training examination device according to claim 2 or 3, characterized in that, The cabinet top busbar is copper core polyvinyl chloride insulated wire with a cross-sectional area of 6 square millimeters.
5. The high-voltage work practice training assessment device of claim 1, wherein, The safety protection module comprises: The protection unit is used for measuring three-phase current, zero sequence current and phase voltage. The power supply unit is electrically connected with the protection unit and the electric simulation module through double loop power supply system.
6. The high-voltage work practice training assessment device of claim 5, wherein, The protection unit comprises current measurement loop and voltage measurement loop. The current measurement loop obtains current values of A phase current, B phase current, C phase current, neutral line current and zero sequence current through current transformer. The voltage measurement loop obtains voltage values of A phase voltage, B phase voltage and C phase voltage through voltage transformer.
7. The high-voltage work practice training assessment device of claim 5, wherein, The power supply unit comprises power input I loop and power input II loop. The power input II loop is electrically connected with circuit breaker QF2. The circuit breaker QF2 is electrically connected with current transformer 3LHa~c and 4LHa~c.
8. The high-voltage work practice training assessment device of claim 7, wherein, The parallel circuit is electrically connected with incoming line cabinet. The parallel circuit comprises voltage transformer, lightning arrester, disconnecting switch, resistor, capacitor and LED lamp. The capacitor is electrically connected with LED lamp. The voltage transformer, lightning arrester, disconnecting switch, resistor and capacitor are directly connected with each other in parallel. The resistor and LED lamp are grounded.
9. The high-voltage work practice training assessment device of claim 1, wherein, The practical training examination module comprises a multifunctional instrument, the multifunctional instrument is electrically connected with current transformers 3LHa, 3LHb and 3LHc, and the multifunctional instrument is electrically connected with a voltage transformer, and the current transformers 3LHa, 3LHb, 3LHc and the voltage transformer are all grounded.
10. The high-voltage work practice training assessment device of claim 1 or 9, wherein, The practical training examination module further comprises contactors YMa, YMb and YMc and auxiliary contact points, the contactors YMa, YMb and YMc, the contactor YMa is electrically connected with a fuse 1FUa, the contactor YMb is electrically connected with a fuse 1FUb, the contactor YMc is electrically connected with a fuse 1FUc, the fuse 1FUa is electrically connected with an auxiliary contact point A-09, the fuse 1FUb is electrically connected with an auxiliary contact point A-10, and the fuse 1FUc is electrically connected with an auxiliary contact point A-11. The auxiliary contact points comprise auxiliary contact points A-01, A-02, A-03, A-04, A-05, A-06, A-07 and A-08, the auxiliary contact point A-01 is electrically connected with a voltage transformer 1D1, the voltage transformer 1D1 is electrically connected with a current transformer 4LHa, the auxiliary contact point A-02 is electrically connected with a voltage transformer 1D4, the auxiliary contact point A-03 is electrically connected with a voltage transformer 1D2, the voltage transformer 1D2 is electrically connected with a current transformer 4LHb, the auxiliary contact point A-04 is electrically connected with a voltage transformer 1D5, the auxiliary contact point A-05 is electrically connected with a voltage transformer 1D3, the voltage transformer 1D3 is electrically connected with a current transformer 4LHc, the auxiliary contact point A-06 is electrically connected with a voltage transformer 1D6, and the current transformers 4LHa, 4LHb, 4LHc, the voltage transformers 1D4, 1D5 and 1D6 are all grounded.