CN212624520U - Low-voltage circuit breaker training device - Google Patents
Low-voltage circuit breaker training device Download PDFInfo
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- CN212624520U CN212624520U CN202021197762.2U CN202021197762U CN212624520U CN 212624520 U CN212624520 U CN 212624520U CN 202021197762 U CN202021197762 U CN 202021197762U CN 212624520 U CN212624520 U CN 212624520U
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- leakage protector
- phase current
- earth
- circuit breaker
- power supply
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- 230000001012 protector Effects 0.000 claims abstract description 33
- 238000004088 simulation Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a low voltage circuit breaker training set, a serial communication port, including the three phase current who is used for the power supply, be equipped with ampere meter A, voltmeter V and time-recorder T on the three phase current, the last one-level earth-leakage protector that still is equipped with of three phase current, three phase current fall into a plurality of way branch circuit power in one-level earth-leakage protector rear, are equipped with second grade earth-leakage protector on the branch circuit power, and three phase current has still drawn forth a plurality of ways terminal power in one-level earth-leakage protector rear, is equipped with tertiary earth-leakage protector on the terminal power. The utility model discloses a work of simulation circuit breaker in actual circuit trains the teaching, makes things convenient for the student to understand and study, improves teaching efficiency.
Description
Technical Field
The utility model relates to a circuit simulation teaching equipment technical field, in particular to low-voltage circuit breaker training set.
Background
In a power grid, leakage protection is usually realized by a circuit breaker, which is also called a leakage protector, and is used for cutting off a circuit when the leakage amount in the circuit reaches a certain value, and multi-stage leakage protection exists in an actual power grid, for example, the leakage protector exists at a terminal user, a power grid branch, a distribution substation and the like. In the teaching training of electric wire netting work, can only come the teaching demonstration through the function of demonstration circuit breaker usually, be difficult to demonstrate the work of circuit breaker in actual circuit, the teaching effect is not showing significantly.
SUMMERY OF THE UTILITY MODEL
The utility model provides a low voltage circuit breaker training set, its advantage can simulate the work of demonstration circuit breaker in actual circuit, makes things convenient for the student to know and study.
The above object of the utility model is realized through following technical scheme, a low voltage circuit breaker training set, a serial communication port, including the three phase current who is used for the power supply, be equipped with ampere meter A on the three phase current, voltmeter V and time-recorder T, the last one-level earth-leakage protector that still is equipped with of three phase current, three phase current falls into a plurality of ways branch circuit power at one-level earth-leakage protector rear, is equipped with second grade earth-leakage protector on the branch circuit power, and three phase current has still drawn forth a plurality of ways terminal power source at one-level earth-leakage protector rear, is equipped with tertiary earth-leakage protector on the terminal.
The utility model discloses further set up to, branch power is equipped with three routes, terminal power is equipped with two tunnel.
The utility model discloses further set up to, three phase current and branch power supply are three-phase four-wire system.
The utility model discloses further set up to, still include a vertical teaching cabinet, ampere meter A, voltmeter V and time-recorder T, one-level earth-leakage protector, second grade earth-leakage protector and tertiary earth-leakage protector all set up on the teaching cabinet.
The utility model discloses further set up to, the bottom of teaching cabinet is equipped with the toolbox, the top of teaching cabinet is equipped with public display board.
To sum up, the beneficial effects of the utility model are that:
1. training and teaching are carried out by simulating the work of the circuit breaker in an actual circuit, so that students can conveniently understand and learn, and the teaching efficiency is improved;
2. the vertical teaching cabinet is convenient for colleges to watch and study and is convenient for teaching implementation.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
fig. 2 is a schematic diagram of the teaching cabinet in the embodiment.
In the figure, 1, a teaching cabinet; 11. a tool box; 12. a bulletin board; 2. a first-level leakage protector; 3. a secondary earth leakage protector; 4. three-level leakage protector.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
Example (b): referring to fig. 1-2, a low-voltage circuit breaker training device, characterized by including the three-phase power supply that is used for the power supply, be equipped with ampere meter a, voltmeter V and timer T on the three-phase power supply, still be equipped with one-level earth-leakage protector 2 on the three-phase power supply, the three-phase power supply divides into a plurality of way branch circuit power supplies in 2 backs of one-level earth-leakage protector, be equipped with second grade earth-leakage protector 3 on the branch circuit power supply, a plurality of terminal power supplies have still been drawn forth at 2 backs of one-level earth-leakage protector to the three-phase power. The tail ends of all the stages of circuits can be connected with loads or suspended, the device simulates the multi-stage electric leakage protection in a real power grid, and students can conveniently understand and learn the working principle and state of the circuit breaker in the power grid.
The branch power supply is provided with three paths, and the terminal power supply is provided with two paths. The three-phase power supply and the branch power supply are both in a three-phase four-wire system.
The utility model discloses a in some other embodiments, still include a vertical teaching cabinet, ampere meter A, voltmeter V and time-recorder T, one-level earth-leakage protector 2, second grade earth-leakage protector 3 and tertiary earth-leakage protector 4 all set up at the teaching cabinet.
The bottom of teaching cabinet is equipped with the toolbox, the top of teaching cabinet is equipped with the bulletin board. A main switch or a tool is arranged in the tool box 11, and the teaching content is displayed on the bulletin board 12
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection scope of the present invention.
Claims (5)
1. The utility model provides a low-voltage circuit breaker training set, a serial communication port, including the three phase current who is used for the power supply, be equipped with ampere meter A on the three phase current, voltmeter V and time-recorder T, still be equipped with one-level earth-leakage protector (2) on the three phase current, three phase current falls into a plurality of way branch circuit power in one-level earth-leakage protector (2) rear, be equipped with second grade earth-leakage protector (3) on the branch circuit power, three phase current has still drawn forth a plurality of way terminal power at one-level earth-leakage protector (2) rear, be equipped with tertiary earth-leakage protector.
2. The training device for low-voltage circuit breakers of claim 1, wherein said branch power supply has three paths and said terminal power supply has two paths.
3. The training apparatus for low-voltage circuit breakers according to claim 1, wherein said three-phase power supply and said branch power supply are both of three-phase four-wire system.
4. The training device for the low-voltage circuit breaker according to claim 1, further comprising a vertical teaching cabinet (1), wherein the ammeter A, the voltmeter V, the timer T, the primary leakage protector (2), the secondary leakage protector (3) and the tertiary leakage protector (4) are arranged on the teaching cabinet (1).
5. Low voltage circuit breaker training device as claimed in claim 4, characterized in that the bottom of the teaching cabinet (1) is provided with a tool box (11) and the top of the teaching cabinet (1) is provided with a bulletin board (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021197762.2U CN212624520U (en) | 2020-06-24 | 2020-06-24 | Low-voltage circuit breaker training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021197762.2U CN212624520U (en) | 2020-06-24 | 2020-06-24 | Low-voltage circuit breaker training device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212624520U true CN212624520U (en) | 2021-02-26 |
Family
ID=74743150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021197762.2U Active CN212624520U (en) | 2020-06-24 | 2020-06-24 | Low-voltage circuit breaker training device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212624520U (en) |
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2020
- 2020-06-24 CN CN202021197762.2U patent/CN212624520U/en active Active
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