CN213751456U

CN213751456U - Electric energy measurement site operation scene type electricity testing training device

Info

Publication number: CN213751456U
Application number: CN202022690704.XU
Authority: CN
Inventors: 龚小燕; 郭宝娅; 吕曜岑; 李健荣; 田雨青; 何鑫; 王浩; 杨桂华; 罗宇; 张伟民
Original assignee: Training And Evaluation Center Of Yunnan Power Grid Co ltd
Current assignee: Training And Evaluation Center Of Yunnan Power Grid Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-07-20
Anticipated expiration: 2030-11-19

Abstract

The utility model discloses an electric energy measurement site operation sight formula electricity testing training set, including electrical unit and fault simulation unit, electrical unit includes first switching power supply and isolation transformer, just electrical unit is the power supply of fault simulation unit, the fault simulation unit includes at least a set of three-phase mutual-inductor formula ammeter case. The utility model discloses in, replaced in the past to the abstract education mode of test electricity operation link word formula and oral explanation, through the simulation of on-the-spot true environment, utilize the sense of hearing, vision, the sense of touch of people, can make the people produce the true experience of being personally on the scene in audio-visual impression, thereby arouse the consciousness of oneself protection, the teaching that can supply training study is provided simultaneously, at the in-process of organizing the programming study, can correct the mental state that the student ignored to this kind of danger habitually, thereby reduce the emergence probability of this kind of accident.

Description

Electric energy measurement site operation scene type electricity testing training device

Technical Field

The utility model relates to an electric power training technical field especially relates to an electric energy measurement site operation sight formula tests electric training set.

Background

The safe production of electric power is a permanent theme of electric power enterprises, for the electric power enterprises, the safety is life, the safety is development, the safety is benefit, and the safety of electric power operation is more emphasized along with the rapid development of a power grid; the property loss and casualties caused by power accidents in China are countless every year, the safety awareness of basic-level staff is improved, and the subjective initiative of the staff to safety production is urgently enhanced.

The electric energy metering field operation personnel contact various metal electric energy meter box devices during low-voltage field operation, the risk of electric leakage exists due to aging and damage of wiring inside the metal meter box body devices and other technical factors, the risk of electric leakage of the metal meter box body occasionally occurs during low-voltage field operation, but the occurrence probability is very small, people often have difficulty in actively learning the risk of electric leakage or over-voltage and under-voltage, neglect the electricity testing operation when contacting the meter box for the first time, so that the hidden danger of insufficient safety consciousness exists, a training and examining device related to the electricity leakage and electricity testing operation aspect of the meter box is not available in the prior art, publicity made only by means of book video and the like often makes people experience not deep, meanwhile, a pure electric leakage body sensing device on the market cannot restore the real scene of the field device, and people cannot be immediately applied to the actual field operation environment after learning, the practicability is not strong. Because of the limitation of production conditions in the power industry, safety education and training are unlikely to be carried out on a production operation site, and in addition, because many power accidents, potential safety hazards and safety risks are not easy to occur on an actual production site, most of low-voltage centralized meter reading staff do not personally experience the occurrence of the potential safety hazards on the site, the potential safety hazards and the safety risks are lack of correct knowledge, the safety consciousness of primary electric energy metering site operating staff cannot be really improved, and the problems of the corresponding device are urgently to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems, the scene type electricity testing training device for the electric energy metering field operation is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an electric energy measurement field operation sight formula tests electric training device, includes electrical unit and fault simulation unit, electrical unit includes first switching power supply and isolation transformer, just electrical unit is the power supply of fault simulation unit, the fault simulation unit includes at least a set of three-phase mutual-inductor formula ammeter case, three-phase mutual-inductor formula ammeter case is including three-phase four-wire mutual-inductor formula electric energy meter, three-phase four-wire terminal, joint terminal box, moulded case circuit breaker, mutual-inductor, just three-phase mutual-inductor formula ammeter case chamber door is still including micro-gap switch, three-phase mutual-inductor formula ammeter case inner chamber middle part is provided with audible-visual annunciator.

As a further description of the above technical solution:

the fault simulation unit also comprises a fault control unit, the fault control unit comprises a master control box and a slave control box, the master control box comprises a case, a master CPU board, more than one group of switching value detection points, a second switching power supply, a power socket and a 485 communication port, the power supply unit is connected with the switching socket, the master CPU board is connected with more than one group of switching value detection points, 1 pin of each switching value detection point is connected with an NC end of a micro switch, 2 pins of each switching value detection point are connected with a COM end of the micro switch, the slave control box comprises a case, a slave CPU board and more than one group of normally open and normally closed contacts, the slave control box is connected with the master control box through a flat cable, the slave CPU board is connected with more than one group of normally open and normally closed contacts, the normally open contacts comprise 2 and 3 pins of the normally open contacts, and DC24V + of the power supply unit is connected with 2 pins of the normally open contacts of the normally closed contacts, and 3 pins of the normally open contact of the metal meter box are connected with the door of the metal meter box, when the electricity leakage fault of the meter box is set, the normally open contact is closed, and the door of the meter box is electrified.

As a further description of the above technical solution:

the fault control unit further comprises a communication unit, the communication unit comprises an Ethernet repeater, and a 485 communication port of the Ethernet repeater is connected with a 485 communication port of the main control box.

As a further description of the above technical solution:

the first switching power supply adopts a 24V switching power supply, and the second switching power supply adopts a 5V switching power supply.

As a further description of the above technical solution:

the flat cable adopts 5081-12P model.

As a further description of the above technical solution:

the power socket is a socket with a safety device.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model discloses in, replaced in the past to the abstract education mode of test electricity operation link word formula and oral explanation, through the simulation of on-the-spot true environment, utilize the sense of hearing, vision, the sense of touch of people, can make the people produce the true experience of being personally on the scene in audio-visual impression, thereby arouse the consciousness of oneself protection, the teaching that can supply training study is provided simultaneously, at the in-process of organizing the programming study, can correct the mental state that the student ignored to this kind of danger habitually, thereby reduce the emergence probability of this kind of accident.

Drawings

Fig. 1 shows a schematic structural diagram provided according to an embodiment of the present invention;

fig. 2 shows a schematic structural diagram of a master control box provided according to an embodiment of the present invention;

fig. 3 shows a schematic structural diagram of a slave control box provided according to an embodiment of the present invention;

fig. 4 shows a schematic diagram of a meter box structure provided according to an embodiment of the present invention;

fig. 5 is a schematic diagram illustrating an electrified structure of a meter box housing provided according to an embodiment of the present invention;

fig. 6 shows a schematic diagram of a wiring structure for setting a multi-meter-box shell live fault according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: an electric energy metering field operation scene type electricity testing training device comprises a power supply unit and a fault simulation unit, wherein the power supply unit comprises a first switching power supply and an isolation transformer, the power supply unit supplies power for the fault simulation unit, the fault simulation unit comprises at least one group of three-phase mutual inductor type electric meter boxes, each three-phase mutual inductor type electric meter box comprises a three-phase four-wire mutual inductor type electric energy meter, a three-phase four-wire terminal, a joint junction box, a molded case circuit breaker and a mutual inductor, a box door of each three-phase mutual inductor type electric meter box further comprises a microswitch, an audible and visual alarm is arranged in the middle of an inner cavity of each three-phase mutual inductor type electric meter box, the fault simulation unit further comprises a fault control unit, each fault control unit comprises a main control box and a slave control box, each main control box comprises a case, a main CPU board, more than one group of switching value detection points, a second switching power supply, a power supply socket and a 485 communication port, the power supply unit is connected with the switching socket, the main CPU board is connected with more than one group of switching value detection points, the power socket is a socket with a safety device, 1 pin of each switching value detection point is connected with the NC end of the micro switch, 2 pins of each switching value detection point are connected with the COM end of the micro switch, the slave control box comprises a case, a slave CPU board and more than one group of normally open and normally closed contacts, the slave control box is connected with the main control box through 5081-12P flat cables, the slave CPU board is connected with more than one group of normally open and normally closed contacts, the normally open and normally closed contacts comprise 2 pins and 3 pins of the normally open contacts, the DC24V + of the power supply unit is connected with 2 pins of the normally open contacts of the normally open and normally closed contacts, 3 pins of the normally open contacts of the metal meter box are connected with the door of the metal meter box, when the leakage fault of the meter box is set, the normally open contacts are closed, the door of the meter box is electrified, the fault control unit further comprises a communication unit, the communication unit comprises an Ethernet repeater, a 485 communication port of the Ethernet repeater is connected with a 485 communication port of the main control box, the first switching power supply adopts a 24V switching power supply, and the second switching power supply adopts a 5V switching power supply;

the 485 communication port of the main control box is formed by inserting a pin in a DB-9 hole,

pins

2, 3 and 5 of a jack in the DB-9 hole are welded by using a twisted pair shielding wire, the communication wire is connected with an Ethernet repeater of the communication unit, and the Ethernet repeater is connected with a computer network port through a network cable and is communicated with interface software;

the communication unit added in the device is an Ethernet repeater with the model of ZQWL-EthRS-F1, 9-36V power supply, 1 path of RS232 and 1 path of RS485, communication/power supply is fully isolated, lightning protection and static electricity prevention are realized, the communication unit has industrial quality, a shell is arranged, the communication unit is communicated with a control unit to control a buzzer to alarm, the buzzer added in the device is a Konaida audible and visual alarm with the model of AD127-22SM and the working voltage DC24V, and the microswitch added in the device is V-156-1C 25;

when the cabinet door is opened or closed, the control unit detects the state change of the cabinet door, data are transmitted to the PC, the PC can detect the state change of the cabinet door, the electrified state of the cabinet door of the meter box equipment can be set, when the cabinet door is electrified to be opened, the software sends out voice prompt and pops out alarm information, the state of a certain cabinet door can be clearly and clearly determined, the training effect is verified, the safety of the person and the equipment is improved, the software is developed, the examination device system is connected into, the state information of the device is read, the working state of each station is displayed in real time, the operation of students in the training work is greatly reminded and warned, and the convenience is improved for the training and examination work.

The working principle is as follows: when the metal ammeter box is used, when an electrified fault of the ammeter box is set, the metal ammeter box door generates electric leakage, the electric leakage voltage is DC24V, the metal ammeter box can be detected by the metal neon bulb low-voltage electroscope and the digital display electroscope, and the human body can not be electrocuted, personal injury can not be caused, when a person opens the metal ammeter box without electricity test, the inside of the ammeter box gives out sound-light alarm, the sound automatically prompts an electric leakage station, the person can experience the electric leakage phenomenon of the device in person, the recording and judging measures of the scene type electroscope training operation of electric energy measurement can be provided for giving a sense of physical experience, impressive impression and safety consciousness excitation, the traditional abstract education mode of text type and oral education of electroscope operation links can be replaced, the real experience of personally on the scene can be generated by the hearing, vision and touch of the person through the simulation of the real environment on the scene, and the self-protection consciousness can be excited, meanwhile, the teaching for training and learning is provided, and the mind state of the student habitually neglected by the danger can be corrected in the process of organizing programmed learning, so that the occurrence probability of the accidents is reduced.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an electric energy measurement site operation sight formula tests electric training set, includes electrical unit and fault simulation unit, its characterized in that, electrical unit includes first switching power supply and isolation transformer, just electrical unit is the power supply of fault simulation unit, the fault simulation unit includes at least a set of three-phase mutual-inductor formula ammeter case, three-phase mutual-inductor formula ammeter case is including three-phase four-wire mutual-inductor formula electric energy meter, three-phase four-wire terminal, joint terminal box, moulded case circuit breaker, mutual-inductor and metal meter case, just three-phase mutual-inductor formula ammeter case chamber door is still including micro-gap switch, three-phase mutual-inductor formula ammeter case inner chamber middle part is provided with audible-visual annunciator.

2. The electric energy metering site operation scene type electricity testing training device as claimed in claim 1, wherein the fault simulation unit further comprises a fault control unit, the fault control unit comprises a master control box and a slave control box, the master control box comprises a case, a master CPU board, more than one set of switching value detection points, a second switching power supply, a power socket and a 485 communication port, the power supply unit is connected with the switching socket, the master CPU board is connected with more than one set of switching value detection points, 1 pin of the switching value detection points is connected with an NC end of the micro switch, 2 pins of the switching value detection points are connected with a COM end of the micro switch, the slave control box comprises a case, a slave CPU board and more than one set of normally open normally closed contacts, the slave control box is connected with the master control box through a flat cable, the slave CPU board is connected with more than one set of normally open normally closed contacts, normally open normally closed contact includes normally open contact's 2, 3 feet, electrical unit's DC24V + with normally open normally closed contact's 2 feet link to each other, metal table case normally open contact's 3 feet are connected with metal table case door, and when setting up table case electric leakage trouble, normally open contact is closed, and table case chamber door is electrified.

3. The electric energy metering field operation scene type electricity testing training device as claimed in claim 2, wherein the fault control unit further comprises a communication unit, the communication unit comprises an ethernet repeater, and a 485 communication port of the ethernet repeater is connected with a 485 communication port of the main control box.

4. The electric energy metering field operation scene type electricity testing training device as claimed in claim 2, wherein the first switching power supply adopts a 24V switching power supply, and the second switching power supply adopts a 5V switching power supply.

5. The electric energy metering scene type electricity testing training device as claimed in claim 2, wherein the flat cable is of a 5081-12P type.

6. The electric energy metering field operation scene type electricity testing training device as claimed in claim 2, wherein the power socket is a socket with a safety device.