CN213750226U - Circuit breaker characteristic instrument test device - Google Patents
Circuit breaker characteristic instrument test device Download PDFInfo
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- CN213750226U CN213750226U CN202022706938.9U CN202022706938U CN213750226U CN 213750226 U CN213750226 U CN 213750226U CN 202022706938 U CN202022706938 U CN 202022706938U CN 213750226 U CN213750226 U CN 213750226U
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Abstract
The embodiment of the utility model provides a pair of circuit breaker characteristic appearance test device belongs to electric power tech field. The circuit breaker characteristic instrument testing device comprises a shell, a PLC (programmable logic controller) arranged in the shell, a display screen arranged on the shell and 11 output interfaces for controlling power lines, wherein the output interfaces are arranged on the shell; the output interface and the display screen are electrically connected with the PLC; the output interfaces comprise a first class output sub-interface for switching on power supply output, a second class output sub-interface for switching off I power supply output and a third class output sub-interface for switching off II power supply output; the number of the first type output sub-interfaces is 3; the number of the second type output sub-interfaces is 4; the number of the third type output sub-interfaces is 4. This application can be very big degree the improvement work efficiency to practice thrift manpower and material resources cost.
Description
Technical Field
The utility model relates to an electric power tech field particularly, relates to a circuit breaker characteristic appearance test device.
Background
The circuit breaker characteristic instrument control power line widely used at present only has: three lines of a closing end, a breaking end and a public end, most of circuit breakers of 220kV and above are phase splitting mechanisms, 11 opening and closing control lines are provided, in the test process, if the circuit breaker characteristic test of the phase splitting mechanism is normally carried out for one time, the connection changing is required for 29 times, if the circuit breaker test data has problems or the mechanism needs to be adjusted, the connection changing times are more, the control lines are also needed to be disconnected during the test to measure the direct current resistance value of the opening and closing circuit, and the connection changing times of a control box are too many; thereby greatly reducing the working efficiency and causing the loss of manpower and material resources.
Therefore, how to overcome the above problems is a technical problem which needs to be solved urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a circuit breaker characteristic appearance test device, it can improve above-mentioned problem.
The embodiment of the utility model is realized like this:
in a first aspect, the utility model provides a circuit breaker characteristic tester, which comprises a shell, a PLC controller arranged in the shell, a display screen arranged on the shell and 11 output interfaces for controlling power lines arranged on the shell; the output interface and the display screen are electrically connected with the PLC; the output interfaces comprise a first class output sub-interface for switching on power supply output, a second class output sub-interface for switching off I power supply output and a third class output sub-interface for switching off II power supply output; the number of the first type output sub-interfaces is 3; the number of the second type output sub-interfaces is 4; the number of the third type output sub-interfaces is 4.
In a preferred embodiment of the present invention, the first output sub-interface, the second output sub-interface and the third output sub-interface are disposed on the housing in line.
In a preferred embodiment of the present invention, 3 of the first-type output sub-interfaces are disposed in the same row; 4 interfaces in the second type output sub-interfaces are arranged on the same row; and 4 interfaces in the third type of output sub-interfaces are arranged on the same row.
In a preferred embodiment of the present invention, the first output sub-interface, the second output sub-interface, the third output sub-interface and the display screen are disposed on the same surface of the housing.
In the preferred embodiment of the present invention, the display screen is a micro LED display screen.
In a preferred embodiment of the present invention, the display screen is a liquid crystal display screen.
In a preferred embodiment of the present invention, the display device further comprises a coil dc resistance test circuit, wherein one end of the coil dc resistance test circuit is connected to the display screen; and the other end of the coil direct-current resistance test circuit is connected with the 11 control power lines.
In a preferred embodiment of the present invention, the casing further has a fracture detection input interface and an operation power input interface; the operation power supply input interface and the fracture detection input interface are arranged side by side.
In a preferred embodiment of the present invention, the housing further has a power switch button.
In the preferred embodiment of the present invention, the housing further has a control panel, and the control panel is close to the display screen.
The utility model provides a circuit breaker characteristic tester, which is characterized in that a PLC controller is arranged in the shell, a display screen is arranged on the shell, and 11 output interfaces for controlling power lines are arranged on the shell; the output interface and the display screen are electrically connected with the PLC; the output interfaces comprise a first class output sub-interface for switching on power supply output, a second class output sub-interface for switching off I power supply output and a third class output sub-interface for switching off II power supply output; the number of the first type output sub-interfaces is 3; the number of the second type output sub-interfaces is 4; the number of the third type output sub-interfaces is 4. Thereby come to be connected one to one with circuit breaker mechanism control circuit through this 11 output sub-interfaces, and then make when experimental reach need not trade the wiring alright accomplish the circuit breaker characteristic test, only need once the wiring can, and then the improvement of very big degree work efficiency, practiced thrift manpower and material resources cost.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a circuit breaker characteristic tester testing apparatus according to a preferred embodiment of the present invention;
fig. 2 is a functional structure diagram of a circuit breaker characteristic tester testing apparatus according to a preferred embodiment of the present invention.
Reference numerals:
100-circuit breaker characteristic tester; 110-a housing; 120-a PLC controller; 130-display screen; 140-an output interface; 150-coil direct current resistance test circuit; 113-fracture detection input interface; 115-operating the power input interface; 117-power switch button; 119-a manipulation panel; 141-output subinterface of the first kind; 143 — the second class output sub-interface; 145-class iii output sub-interface.
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. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 2, the present embodiment provides a circuit breaker characteristic tester 100, which includes a housing 110, a PLC controller 120 disposed in the housing 110, a display screen 130 mounted on the housing 110, and 11 output interfaces 140 disposed on the housing 110 for controlling power lines.
Alternatively, the housing 110 may be a cube or a cuboid. Here, the number of the carbon atoms is not particularly limited.
Optionally, a fracture detection input interface 113 and an operation power input interface 115 are further disposed on the housing 110; the operation power input interface 113 and the fracture detection input interface 115 are arranged side by side.
Optionally, a power switch button 117 is further disposed on the housing 110. The power switch button 117 is used to control the power supply of the circuit breaker characteristic tester 100 to be turned on and off.
Optionally, a control panel 119 is further disposed on the housing 110, and the control panel 119 is close to the display screen 130.
The operation panel 119 is provided with a plurality of operation buttons of different operation types, for example, including an up-down left-right operation button, a reset button, a return button, a determination button, an adjustment button, and the like. Here, the number of the carbon atoms is not particularly limited.
Alternatively, a PLC (Programmable Logic Controller) Controller is installed in the housing 110, for example, after the PLC Controller 120 is fixed to a PCB, the PCB is fixed to the housing 110 by soldering.
Of course, in practical use, the fixing device can be fixed in other manners, such as a plugging manner.
Optionally, the PLC controller 120 is configured to determine when the phase change occurs during the minimum operating voltage test, and needs to be combined with the field actual, so as to meet the test standard and procedure. For example, PLC controller 120 may automatically switch between project and test phases in an automatic mode, such as: the phase A is automatically switched to the phase B after the lowest action voltage test of the phase A is completed; and sequentially completing the three-phase minimum action voltage test, automatically switching to the synchronous or opening and closing speed test, and finally completing all projects. Here, the number of the carbon atoms is not particularly limited.
It should be understood that the PLC controller 120 is pre-programmed with a corresponding program for implementing the automatic mode. This program is not within the scope of the present application, which protects only the circuit breaker characteristic tester 100 having the PLC controller 120.
For example, in practical applications, the PLC controller 120 may be of the type C500. Of course, the present application does not specifically limit the type of the PLC controller 120.
Optionally, the display screen 130 is a micro LED display screen.
Optionally, the display 130 is a liquid crystal display. The display screen 130 is electrically connected to the PLC controller 120.
Optionally, the output interface 140 includes a first kind of output sub-interface 141 for switching on power output, a second kind of output sub-interface 143 for switching off I power output, and a third kind of output sub-interface 145 for switching off II power output. The output interface 140 is electrically connected to the PLC controller 120.
Wherein, the number of the first class output sub-interfaces 141 is 3; the number of the second class output sub-interfaces 143 is 4; the number of the third kind of output sub-interfaces 145 is 4.
Optionally, the first type output sub-interface 141, the second type output sub-interface 143, and the third type output sub-interface 145 are electrically connected to the PLC controller 120.
Optionally, the first type output sub-interface 141, the second type output sub-interface 143, and the third type output sub-interface 145 are arranged on the housing 110 in a row.
Optionally, 3 interfaces of the first type output sub-interfaces 141 are disposed in the same row; 4 interfaces in the second-type output sub-interface 143 are arranged in the same row; 4 of the output sub-interfaces 145 of the third type are arranged in the same row.
Optionally, the first type output sub-interface 141, the second type output sub-interface 143, the third type output sub-interface 145 and the display screen 130 are disposed on the same surface of the housing 110.
In a possible embodiment, the circuit breaker characteristic tester 100 further comprises a coil dc resistance test circuit 150, wherein one end of the coil dc resistance test circuit 150 is connected to the display screen 130; the other end of the coil direct current resistance test circuit 150 is connected with the 11 control power lines.
Optionally, the display screen 130 is further used for displaying a result of the test on the coil resistance in the circuit breaker in real time, so that the record of a service person is facilitated. By measuring the resistance of the coil in the circuit breaker by using the coil direct current resistance test circuit 150, the phase-by-phase test can be performed without using a multimeter; the coil direct-current resistance test circuit 150 outputs forward bias voltage capable of conducting the diode, and tests the direct-current resistance of the coil with the diode, so that the problem that the direct-current resistance of the coil cannot be tested due to the fact that a rectifier bridge is connected in series in part of the coil is solved.
In one embodiment, the coil DC resistance test circuit 150 includes a plurality of test lines in series with 11 control power lines. The testing wire is connected with the PLC 120 to test direct current resistance of all coils, a universal meter is not needed to be used for testing phase by phase, and the problem that the universal meter cannot be provided with a diode to measure the resistance of the coils is solved.
It should be noted that 11 control power lines are used for realizing one-to-one connection with the circuit breaker mechanism control loop.
To sum up, the utility model provides a circuit breaker characteristic tester, through set up PLC controller in the said casing, install the display screen on the said casing and set up 11 output interfaces for controlling the power cord on the casing; the output interface and the display screen are electrically connected with the PLC; the output interfaces comprise a first class output sub-interface for switching on power supply output, a second class output sub-interface for switching off I power supply output and a third class output sub-interface for switching off II power supply output; the number of the first type output sub-interfaces is 3; the number of the second type output sub-interfaces is 4; the number of the third type output sub-interfaces is 4. Thereby come to be connected one to one with circuit breaker mechanism control circuit through this 11 output sub-interfaces, and then make when experimental reach need not trade the wiring alright accomplish the circuit breaker characteristic test, only need once the wiring can, and then the improvement of very big degree work efficiency, practiced thrift manpower and material resources cost. Furthermore, because the existing characteristic instrument control power line and the mechanism control circuit secondary line are connected by adopting a clamp type, however, the connection of 3 lines on one clamp easily causes poor contact, and the switch can not normally measure the opening and closing time, the synchronization and the like if a certain phase fails, so that the 11 output sub-interfaces are connected with the circuit breaker mechanism control circuit in a one-to-one manner, 3 lines are not required to be connected on one clamp, and the problem of poor contact caused by the clamping of 3 lines on one clamp can be overcome.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a circuit breaker characteristic appearance testing arrangement which characterized in that includes: the PLC controller is arranged in the shell, the display screen is installed on the shell, and the 11 output interfaces for controlling power lines are arranged on the shell;
the output interface and the display screen are electrically connected with the PLC;
the output interfaces comprise a first class output sub-interface for switching on power supply output, a second class output sub-interface for switching off I power supply output and a third class output sub-interface for switching off II power supply output;
the number of the first type output sub-interfaces is 3;
the number of the second type output sub-interfaces is 4;
the number of the third type output sub-interfaces is 4.
2. The circuit breaker profiler test apparatus according to claim 1, wherein the first type of output sub-interface, the second type of output sub-interface, and the third type of output sub-interface are arranged in rows on the housing.
3. The circuit breaker characteristic tester test device of claim 2, wherein 3 interfaces of the first class of output sub-interfaces are arranged in the same row; 4 interfaces in the second type output sub-interfaces are arranged on the same row; and 4 interfaces in the third type of output sub-interfaces are arranged on the same row.
4. The circuit breaker performance tester testing apparatus of claim 3, wherein the first type output sub-interface, the second type output sub-interface, the third type output sub-interface and the display screen are disposed on a same surface of the housing.
5. The circuit breaker characteristic tester device of claim 4, wherein the display screen is a micro LED display screen.
6. The circuit breaker profiler test device according to claim 4, wherein the display screen is a liquid crystal display screen.
7. The circuit breaker characteristic tester of claim 1, further comprising a coil dc resistance test circuit, one end of the coil dc resistance test circuit being connected to the display screen; and the other end of the coil direct-current resistance test circuit is connected with the 11 control power lines.
8. The circuit breaker characteristic tester test device according to claim 1, wherein the housing is further provided with a fracture detection input interface and an operation power input interface; the operation power supply input interface and the fracture detection input interface are arranged side by side.
9. The circuit breaker performance tester of claim 1, wherein the housing further comprises a power switch button.
10. The circuit breaker performance tester testing apparatus of claim 1, wherein the housing further comprises a control panel, and the control panel is disposed adjacent to the display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022706938.9U CN213750226U (en) | 2020-11-20 | 2020-11-20 | Circuit breaker characteristic instrument test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022706938.9U CN213750226U (en) | 2020-11-20 | 2020-11-20 | Circuit breaker characteristic instrument test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213750226U true CN213750226U (en) | 2021-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022706938.9U Active CN213750226U (en) | 2020-11-20 | 2020-11-20 | Circuit breaker characteristic instrument test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213750226U (en) |
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2020
- 2020-11-20 CN CN202022706938.9U patent/CN213750226U/en active Active
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