CN214955576U

CN214955576U - Comprehensive training test bed for examination of low-voltage electric operator

Info

Publication number: CN214955576U
Application number: CN202120988554.2U
Authority: CN
Inventors: 李孟闯; 王�华
Original assignee: Jiachen Technology Anshan Co ltd
Current assignee: Jiachen Technology Anshan Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-11-30
Anticipated expiration: 2031-05-11

Abstract

The utility model relates to the technical field of examination test-bed, and discloses a comprehensive examination training test-bed for low-voltage electric operators, comprising a circuit breaker, an AC contactor, a control transformer, a thermal relay, a motor, a fuse, a single-phase electric energy meter, a leakage protector, a ballast, a starter, an instrument and a current transformer, the components can be combined into a power supply conversion circuit, a motor unidirectional continuous operation control circuit, a three-phase asynchronous motor positive and negative operation control circuit, a single-phase electric energy meter circuit and a motor operation control circuit with a fuse, an instrument and a current transformer, a teacher or a student can freely combine the circuits so as to carry out practice teaching, review and examination, and then be convenient for the student to master whole operation process, reduce the degree of difficulty of training, solved the teaching and only stayed in theory, the student is difficult to master whole operation process, the great problem of the training degree of difficulty.

Description

Comprehensive training test bed for examination of low-voltage electric operator

Technical Field

The utility model relates to an examination laboratory bench technical field specifically is a low pressure electric operator examination combined training test bench.

Background

In the field of low-voltage electrician practice teaching, students have certain practical experience, but field equipment is different from examination practice equipment, and a training teacher can only adopt a book or courseware mode to explain low-voltage electrician theory and practice, so that the dynamic process of the whole operation cannot be vividly explained, the training teacher cannot perform detailed physical operation training, teaching can only stay on theory, the students are difficult to master the whole operation process, the training difficulty is increased, and in view of the problems, the comprehensive training test bed for the examination of the low-voltage electrical operators is specially provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a low pressure electric operator examination integrated training test bench possesses the structure and constitutes and operation flow, all makes according to the content that special operation safety technology actual operation examination standard (trial) examination required, really satisfies the requirement of practising exercises review and examination, has solved the teaching and has only stopped in theoretical, and the student is difficult to master whole operation process, the great problem of the training degree of difficulty.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low pressure electric operator examination combined training test bench, includes the laboratory bench subassembly, its characterized in that: the experiment table component comprises a circuit breaker, an alternating current contactor, a control transformer, a thermal relay, a motor, a fuse, a single-phase electric energy meter, a leakage protector, a ballast, a starter, an instrument and a current transformer, and can be combined into a power supply conversion circuit, a motor one-way continuous operation control circuit, a three-phase asynchronous motor positive and negative operation control circuit, a single-phase electric energy meter circuit and a motor operation control circuit with the fuse, the instrument and the current transformer.

Preferably, the power conversion circuit is composed of a circuit breaker, an ac contactor, a control transformer and a plurality of wires.

Preferably, the motor unidirectional continuous operation control circuit is composed of a circuit breaker, an alternating current contactor, a thermal relay, a motor, a fuse and a plurality of wires.

Preferably, the forward and reverse operation control circuit of the three-phase asynchronous motor is composed of a circuit breaker, an alternating current contactor, a thermal relay control circuit, a motor, a fuse and a plurality of wires.

Preferably, the single-phase electric energy meter circuit is composed of a single-phase electric energy meter, a leakage protector, a ballast, a starter and a plurality of wires.

Preferably, the motor operation control circuit with the fuse, the instrument and the current transformer is composed of a circuit breaker, an alternating current contactor, a thermal relay, a motor, the fuse, the instrument and a plurality of wires.

Compared with the prior art, the utility model provides a low pressure electric operator examination combined training test bench possesses following beneficial effect:

1. the comprehensive training test bed for the examination of the low-voltage electric operator forms various circuits by electrically connecting and combining various elements, so that practical teaching, review and examination are performed, a student can conveniently master the whole operation process, the training difficulty is reduced, and the problems that the teaching only stays on the theory, the student is difficult to master the whole operation process, and the training difficulty is high are solved;

2. this low pressure electric operator examination comprehensive training test bench, through the student with multiple component actual connection operation, be convenient for investigate the student to the mastery condition of electrician's knowledge, and to the directness, the shunting of wire, crimping, the correct in service behavior of insulating tape.

Drawings

FIG. 1 is a power conversion circuit diagram of the present invention;

FIG. 2 is a circuit diagram of the motor one-way continuous operation control circuit of the present invention;

FIG. 3 is a circuit diagram of the forward and reverse operation control circuit of the three-phase asynchronous motor of the present invention;

FIG. 4 is a circuit diagram of the single-phase electric energy meter with a lighting lamp according to the present invention;

fig. 5 is a circuit diagram of the motor operation control with fuse (circuit breaker), meter, and current transformer according to 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a comprehensive training test bench for examination of a low-voltage electrical operator comprises a test bench component, wherein the test bench component comprises a circuit breaker, an alternating current contactor, a control transformer, a thermal relay, a motor, a fuse, a single-phase electric energy meter, a leakage protector, a ballast, a starter, an instrument and a current transformer, and a power supply conversion circuit, a motor unidirectional continuous operation control circuit, a three-phase asynchronous motor forward and backward operation control circuit, a single-phase electric energy meter circuit and a motor operation control circuit with the fuse, the instrument and the current transformer can be combined through the components.

The power supply conversion circuit comprises a circuit breaker, an alternating current contactor, a control transformer and a plurality of wires, the motor one-way continuous operation control circuit comprises a circuit breaker, an alternating current contactor, a thermal relay, a motor, a fuse and a plurality of wires, the three-phase asynchronous motor positive and negative operation control circuit comprises a circuit breaker, an alternating current contactor, a thermal relay, a motor, a fuse and a plurality of wires, the single-phase electric energy meter circuit comprises a single-phase electric energy meter, a leakage protector, a ballast, a starter and a plurality of wires, and the motor operation control circuit with the fuse, an instrument and a current transformer comprises a circuit breaker, an alternating current contactor, a thermal relay, a motor, a fuse, an instrument and a plurality of wires.

The working principle is as follows: when the comprehensive experiment table is used, teachers or students can combine various elements to form a power supply conversion circuit, a motor one-way continuous operation control circuit, a three-phase asynchronous motor positive and negative operation control circuit, a single-phase electric energy meter circuit and a motor operation control circuit with a fuse, an instrument and a current transformer, so that practical teaching, review and examination are performed, the students can master the whole operation process conveniently, the difficulty of training is reduced, the problem that the teaching only stays in theory, the students are difficult to master the whole operation process, and the training difficulty is high is solved.

In conclusion, this low pressure electric operator examination comprehensive training test bench forms multiple circuit through the electric connection combination of multiple component, thereby carries out the practice teaching, review and examination, thereby be convenient for the student master whole operation process, reduce the degree of difficulty of training, solved teaching and only stopped in theoretically, the student is difficult to master whole operation process, the great problem of the training degree of difficulty, through the student with multiple component actual connection operation, be convenient for investigate the student to the mastery condition of electrician's knowledge, and to the direct of wire, shunting, crimping, the correct in service behavior of insulating sticky tape.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a low pressure electric operator examination combined training test bench, includes the laboratory bench subassembly, its characterized in that: the experiment table component comprises a circuit breaker, an alternating current contactor, a control transformer, a thermal relay, a motor, a fuse, a single-phase electric energy meter, a leakage protector, a ballast, a starter, an instrument and a current transformer, and can be combined into a power supply conversion circuit, a motor one-way continuous operation control circuit, a three-phase asynchronous motor positive and negative operation control circuit, a single-phase electric energy meter circuit and a motor operation control circuit with the fuse, the instrument and the current transformer.

2. The examination comprehensive training test bed for the low-voltage electric operators as claimed in claim 1, characterized in that: the power supply conversion circuit is composed of a circuit breaker, an alternating current contactor, a control transformer and a plurality of wires.

3. The examination comprehensive training test bed for the low-voltage electric operators as claimed in claim 1, characterized in that: the motor one-way continuous operation control circuit is composed of a circuit breaker, an alternating current contactor, a thermal relay, a motor, a fuse and a plurality of wires.

4. The examination comprehensive training test bed for the low-voltage electric operators as claimed in claim 1, characterized in that: the positive and negative operation control circuit of the three-phase asynchronous motor is composed of a circuit breaker, an alternating current contactor, a thermal relay control circuit, a motor, a fuse and a plurality of wires.

5. The examination comprehensive training test bed for the low-voltage electric operators as claimed in claim 1, characterized in that: the single-phase electric energy meter circuit is composed of a single-phase electric energy meter, a leakage protector, a ballast, a starter and a plurality of wires.

6. The examination comprehensive training test bed for the low-voltage electric operators as claimed in claim 1, characterized in that: the motor operation control circuit with the fuse, the instrument and the current transformer is composed of a circuit breaker, an alternating current contactor, a thermal relay, a motor, the fuse, the instrument and a plurality of wires.