CN210323132U - Secondary wiring conversion device for mechanical characteristic test of circuit breaker - Google Patents
Secondary wiring conversion device for mechanical characteristic test of circuit breaker Download PDFInfo
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- CN210323132U CN210323132U CN201921174920.XU CN201921174920U CN210323132U CN 210323132 U CN210323132 U CN 210323132U CN 201921174920 U CN201921174920 U CN 201921174920U CN 210323132 U CN210323132 U CN 210323132U
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Abstract
The utility model discloses an experimental secondary conversion equipment that works a telephone switchboard of circuit breaker mechanical properties relates to power equipment and overhauls appurtenance technical field, and its structure is: the box first surface is provided with 3 terminals, and the box second surface is provided with 12 terminals, is provided with 3 bee calling organ, is provided with 4 ship type switches, is provided with 2 warning light, and the box third surface is provided with 12 terminals. The beneficial effects of the utility model reside in that: the utility model saves the step of manually switching the opening and closing test line, and can complete all test steps only by selecting the ship-shaped switch; the test flow is optimized, so that the problem of shortage of staff of a company can be effectively relieved; the limited maintenance time is saved, the working efficiency is improved, and the power supply reliability, the equipment and the personal safety are ensured; can be popularized and applied to the routine maintenance site and the first-aid repair site of the company test major.
Description
Technical Field
The invention relates to the technical field of auxiliary tools for power equipment maintenance, in particular to a secondary wiring conversion device for a mechanical characteristic test of a circuit breaker.
Background
In recent years, under the guiding concept of constructing a strong power grid with an extra-high voltage power grid as a backbone grid frame and coordinately developing all levels of power grids, the Qinghai power grid enters a high-speed development period, more and more substations are governed by companies, more and more circuit breaker devices with the voltage level of 110kV and above belong to the companies, and in order to ensure the power supply reliability of the power grid, the routine maintenance working time is continuously compressed, and workers are required to finish various works with high quality and quantity guarantee and efficiency.
In the existing working method, in the mechanical characteristic test process of the circuit breaker, a tester holds a test wire to manually connect the wire on an internal switching-on terminal in a control cubicle, and a universal meter is used for measuring whether the internal switching-on terminal in the control cubicle has direct-current voltage or not. Taking a breaker with a 330kV voltage class as an example, all the processes for completing a mechanical characteristic test of the breaker are as follows: (1) transacting a work order and preparing an instrument; (2) using a universal meter to measure no direct current voltage of a switching-on/off terminal in the terminal row, and measuring direct current resistance of a switching-on coil in a switching-off state; (3) performing a closing low-voltage test on a closing terminal and a primary end connecting wire of the circuit breaker; (4) measuring the direct-current voltage of the opening terminal by using a universal meter, measuring the direct-current resistance of a main branch coil and an auxiliary branch coil in a closing state, disconnecting a test line of the closing terminal, and connecting the main branch terminal with the main branch terminal to perform a low-voltage test; (5) disconnecting a test line of the opening terminal, measuring no direct-current voltage of the closing terminal by using a universal meter, and performing different-phase tests on a connecting line of the closing terminal; (6) disconnecting a test line of a switching-on terminal, measuring no direct-current voltage of a switching-off terminal by using a universal meter, and connecting a switching-off terminal to perform an auxiliary switching-off low-voltage test; (7) disconnecting a test line of the opening terminal, measuring no direct-current voltage of the closing terminal by using a universal meter, and connecting a wire of the closing terminal to perform closing different-phase tests; (8) disconnecting a test line of a closing terminal, measuring no direct-current voltage of a main opening terminal by using a universal meter, and connecting the main opening terminal and the main opening terminal to perform different-phase tests; (9) disconnecting the test connection of the main breaking terminal, measuring no direct-current voltage of the closing terminal by using a universal meter, and performing different-phase tests on the connection of the closing terminal; (10) disconnecting the test connection of the switching-on terminal, measuring no direct-current voltage of the auxiliary switching-off terminal by using a universal meter, and performing switching-off different-period tests on the auxiliary switching-off terminal connection; (11) and (4) dismantling the test wiring, recovering the equipment to the state before the test, cleaning the site and terminating the work ticket.
In the test process, one person is required to operate the instrument, one tester is used for recording, and 2 to 3 testers are used for wiring disassembling work in the control cubicle.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the wiring conversion device, which optimizes the test process, reduces the number of people required by the test, replaces the process of connecting and disconnecting the test wire back and forth by using the on-off of the ship-shaped switch, and improves the working efficiency.
The invention provides a secondary wiring conversion device for a mechanical characteristic test of a circuit breaker, which has the following structure: the appearance of the box body is a cuboid box body, 3 binding posts are arranged on the first surface of the box body, 12 binding posts, 3 buzzers, 4 ship-shaped switches and 2 warning lamps are arranged on the second surface of the box body, and 12 binding posts are arranged on the third surface of the box body;
the 3 binding posts on the first surface are respectively: terminal 01, terminal 02, terminal 03; the 12 binding posts on the second surface are respectively: posts 14a, 14b, 14c, posts 16a, 16b, 16c, posts 18a, 18b, 18c, posts 20a, 20b, 20 c; the 3 buzzers on the second surface are respectively: a buzzer 10, a buzzer 11, a buzzer 12; the 4 ship type switches on the second surface are respectively as follows: boat-shaped switch 06, boat-shaped switch 07, boat-shaped switch 08, boat-shaped switch 09; 2 warning lights on the second surface are respectively: a warning light 04, a warning light 05; the 12 binding posts on the third surface are respectively: terminals 13a, 13b, 13c, terminals 15a, 15b, 15c, terminals 17a, 17b, 17c, and terminals 19a, 19b, 19 c.
The wiring terminal 01 is connected with one end of the ship-shaped switch 06 in series; the terminal 02 is connected in series with one end of the boat switch 07; one ends of the ship- shaped switches 08 and 09 are connected in parallel with the wiring terminal 03; the warning light 04 is connected between the terminal 01 and the terminal 02 in a parallel mode, and the warning light 05 is connected between the terminal 01 and the terminal 03 in a parallel mode.
The ship-shaped switch 06 is connected with the wiring posts 13a, 13b and 13c on the third surface; the boat switch 07 is connected to the posts 15a, 15b, 15c on the third surface; the boat switch 08 is connected to the posts 17a, 17b, 17c on the third surface; the boat switch 09 is connected to the terminals 19a, 19b, 19c of the third surface.
The buzzer 10 is connected between the ship-shaped switch 06 and the ship-shaped switch 07 in parallel, the buzzer 11 is connected between the ship-shaped switch 06 and the ship-shaped switch 08 in parallel, and the buzzer 12 is connected between the ship-shaped switch 06 and the ship-shaped switch 09 in parallel;
the posts 13a, 13b, 13c on the third surface are correspondingly connected with the posts 14a, 14b, 14c on the second surface, that is: the terminal 13a is connected with the terminal 14a, the terminal 13b is connected with the terminal 14b, and the terminal 13c is connected with the terminal 14 c; in this corresponding connection manner, the terminals 15a, 15b, 15c are connected to the terminals 16a, 16b, 16c, the terminals 17a, 17b, 17c are connected to the terminals 18a, 18b, 18c, and the terminals 19a, 19b, 19c are connected to the terminals 20a, 20b, 20 c. Namely: the terminal 15a is connected with the terminal 16a, the terminal 15b is connected with the terminal 16b, the terminal 15c is connected with the terminal 16c, the terminal 17a is connected with the terminal 18a, the terminal 17b is connected with the terminal 18b, the terminal 17c is connected with the terminal 18c, the terminal 19a is connected with the terminal 20a, the terminal 19b is connected with the terminal 20b, and the terminal 19c is connected with the terminal 20 c.
12 connections of said third surface, namely: the switching device comprises column terminals 13a, 13b and 13c, terminal terminals 15a, 15b and 15c, terminal terminals 17a, 17b and 17c, wherein the terminal terminals 19a, 19b and 19c are output ends of the switching device, and the terminal terminals 13a, 13b and 13c are connected to a switching-on/off common terminal on a terminal row in a circuit breaker control cubicle; the terminals 15a, 15b and 15c are connected to closing terminals on a terminal row in the circuit breaker control cubicle; the wiring terminals 17a, 17b and 17c are connected to main breaking terminals on a terminal row in the circuit breaker control cubicle; the terminals 19a, 19b and 19c are connected to auxiliary opening terminals on a terminal row in the circuit breaker control cubicle; the connection wires are connected through a high-voltage test wire with a banana plug;
the binding posts 01, 02 and 03 on the first surface are input ends of the conversion device and are respectively connected with a public end, a switching-on end and a switching-off end of a mechanical characteristic test instrument of the circuit breaker through high-voltage test lines with banana plugs.
The box body is 210mm long, 180mm wide and 120mm high, is integrally made of a frosted acrylic plate and is assembled by adopting a strong magnetic adsorption principle; the first surface binding post 01, the binding post 02 and the binding post 03 are made of copper plated nickel, the shell is made of ABS material, and the binding post has the specification of phi 4mm x 21 mm.
The buzzer 10, the buzzer 11 and the buzzer 12 have an alarm function, the sound is 70-80dB, and the buzzer automatically alarms when direct-current voltage exists between the opening and closing coils of the circuit breaker;
when direct-current voltage exists between the switching-on and switching-off common terminal and the switching-on terminal, the buzzer 10 gives an alarm; when a direct-current voltage exists between the switching-on/off common terminal and the main switching-off terminal, the buzzer 11 gives an alarm; when direct-current voltage exists between the switching-on/off common terminal and the auxiliary switching-off terminal, the buzzer 12 gives an alarm; the occurrence of human accidents such as switch top jump caused by pressurization under the condition that the terminal strip has direct-current voltage is prevented;
The circuit breaker mechanical characteristic test instrument outputs pulse voltage from the wiring terminals 01 and 02, and under the normal condition, the voltage instantly occurs and immediately disappears; however, when the mechanical characteristic test instrument of the circuit breaker fails and the direct-current voltage is continuously output, the warning lamp 04 can flash to give an alarm; the operation mode and principle of the warning lamp 05 are the same.
The use method of the secondary wiring conversion device for the mechanical characteristic test of the circuit breaker comprises the following steps:
s01, connection: connecting the third surface wiring terminal with a switching-on/off terminal on the terminal row in the circuit breaker control cubicle; the concrete connection mode is as follows: the terminals 13a, 13b and 13c are connected to the common opening and closing terminal on the terminal row in the circuit breaker control cubicle; the terminals 15a, 15b and 15c are connected to closing terminals on a terminal row in the circuit breaker control cubicle; the wiring terminals 17a, 17b and 17c are connected to main breaking terminals on a terminal row in the circuit breaker control cubicle; the terminals 19a, 19b and 19c are connected to auxiliary opening terminals on a terminal row in the circuit breaker control cubicle;
connecting the binding posts 01, 02 and 03 on the first surface with a public end, a switching-on end and a switching-off end of a mechanical characteristic test instrument of the circuit breaker respectively through high-voltage test lines with banana plugs;
s02, measuring the direct current resistance value of the opening and closing coil: measuring the direct current resistance values among the opening and closing coils through the wiring terminal on the second surface, and measuring the direct current resistance only by connecting a universal meter in the wiring hole on the second surface in the test process;
and (3) measuring the resistance between the switching-on and switching-off common terminal and the main switching-off terminal: the resistances were measured between terminals 14a and 16a, 14b and 16b, and 14c and 16c, respectively;
and (3) measuring the resistance between the switching-on and switching-off common terminal and the main switching-off terminal: the resistances are measured between the terminals 14a and 18a, 14b and 18b, and 14c and 18c, respectively;
resistance measurement between the common terminal of the opening and closing switch and the auxiliary opening terminal: the resistances were measured between the terminals 14a and 20a, 14b and 20b, and 14c and 20c, respectively;
and S03, performing a mechanical characteristic test of the circuit breaker:
and (3) closing test: the ship-shaped switch 06 and the ship-shaped switch 07 on the second surface are in a conducting state, the ship-shaped switch 08 and the ship-shaped switch 09 are in a disconnecting state, and a mechanical characteristic test instrument of the circuit breaker is operated to perform a test;
main brake-separating test: the ship-shaped switch 06 and the ship-shaped switch 08 on the second surface are in a conducting state, the ship-shaped switch 07 and the ship-shaped switch 09 are in a disconnecting state, and a mechanical characteristic test instrument of the circuit breaker is operated to perform a test;
auxiliary brake opening test: and (3) operating a mechanical characteristic test instrument of the circuit breaker to test when the ship-shaped switch 06 and the ship-shaped switch 09 on the second surface are in a conducting state and the ship-shaped switch 07 and the ship-shaped switch 08 are in a disconnecting state.
Because 12 binding posts on the second surface are correspondingly connected with the binding post on the third surface, the 12 binding posts on the second surface can also be used as the output end of the conversion device, and the direct current resistance value of the opening and closing coil needs to be measured by operating the binding post on the third surface.
The invention has the beneficial effects that:
1. when direct-current voltage exists between the coils of the circuit breaker, the buzzer can automatically give an alarm, so that the situation that the voltage is increased under the condition that the terminal block has the direct-current voltage, and the occurrence of human accidents such as switch top jump and the like is avoided; the warning light has electrified display function, breaks down when circuit breaker mechanical characteristic test instrument, and when the problem such as direct current voltage continuous output took place, the pilot lamp can shine, reminds the terminal output to have an electricity, and the instrument trouble prevents the emergence of personal electric shock accident, guarantees personal safety. The warning lamp and the buzzer are connected into the circuit in parallel, and any voltage drop cannot be generated in the test process to influence the test result.
2. The voltage bearing capacity between the fractures of the ship-shaped switch is far more than 220V, and the condition of voltage series cannot be caused in the test process; the whole equipment is made of a frosted acrylic plate, is combined according to the principle of strong magnetic adsorption, is light and convenient to carry, and has good insulation to the ground.
3. When the device is used, the step of manually switching on/off brake test lines is omitted by the on/off matching among the four ship-shaped switches, all test steps can be completed only by the selection of the ship-shaped switches, and the on/off brake terminals are not influenced mutually.
4. The device can be popularized and applied to a routine maintenance site and an emergency repair site of company test specialties, the test flow is optimized, and the problem of shortage of company personnel can be effectively relieved; compared with the prior art, the device can save limited maintenance time, improve the working efficiency and ensure the power supply reliability. Through the mode of warning light and bee calling organ warning, whether test equipment and equipment under test are electrified is shown through audio-visual mode, very big assurance equipment and personal safety.
Drawings
FIG. 1 is a diagram of the internal wiring of the switching device of the present invention;
FIG. 2 is a schematic diagram of the surface terminal distribution of the conversion device of the present invention;
in the figure: 01. 02 and 03 are terminals on the first surface, 04 and 05 are warning lamps on the second surface, 06, 07, 08 and 09 are ship-shaped switches on the second surface, 10, 11 and 12 are buzzers on the second surface, 14a, 14b, 14c, 16a, 16b, 16c, 18a, 18b, 18c, 20a, 20b and 20c are terminals on the second surface, and 3a, 13b, 13c, 15a, 15b, 15c, 17a, 17b, 17c, 19a, 19b and 19c are terminals on the third surface.
Detailed Description
Embodiment 1, as shown in the figure, the present invention provides a secondary wiring switching device for a mechanical characteristic test of a circuit breaker, which has a structure that: the appearance of the box body is a cuboid box body, 3 binding posts are arranged on the first surface of the box body, 12 binding posts, 3 buzzers, 4 ship-shaped switches and 2 warning lamps are arranged on the second surface of the box body, and 12 binding posts are arranged on the third surface of the box body;
the 3 binding posts on the first surface are respectively: terminal 01, terminal 02, terminal 03; the 12 binding posts on the second surface are respectively: posts 14a, 14b, 14c, posts 16a, 16b, 16c, posts 18a, 18b, 18c, posts 20a, 20b, 20 c; the 3 buzzers on the second surface are respectively: a buzzer 10, a buzzer 11, a buzzer 12; the 4 ship type switches on the second surface are respectively as follows: boat-shaped switch 06, boat-shaped switch 07, boat-shaped switch 08, boat-shaped switch 09; 2 warning lights on the second surface are respectively: a warning light 04, a warning light 05; the 12 binding posts on the third surface are respectively: terminals 13a, 13b, 13c, terminals 15a, 15b, 15c, terminals 17a, 17b, 17c, and terminals 19a, 19b, 19 c.
The wiring terminal 01 is connected with one end of the ship-shaped switch 06 in series; the terminal 02 is connected in series with one end of the boat switch 07; one ends of the ship- shaped switches 08 and 09 are connected in parallel with the wiring terminal 03; the warning lamp 04 is connected between the binding post 01 and the binding post 02 in a parallel mode, and the warning lamp 05 is connected between the binding post 01 and the binding post 03 in a parallel mode;
the ship-shaped switch 06 is connected with the wiring posts 13a, 13b and 13c on the third surface; the boat switch 07 is connected to the posts 15a, 15b, 15c on the third surface; the boat switch 08 is connected to the posts 17a, 17b, 17c on the third surface; the boat-shaped switch 09 is connected with the wiring posts 19a, 19b and 19c on the third surface;
the buzzer 10 is connected between the ship-shaped switch 06 and the ship-shaped switch 07 in parallel, the buzzer 11 is connected between the ship-shaped switch 06 and the ship-shaped switch 08 in parallel, and the buzzer 12 is connected between the ship-shaped switch 06 and the ship-shaped switch 09 in parallel;
the posts 13a, 13b and 13c on the third surface are correspondingly connected with the posts 14a, 14b and 14c on the second surface, namely, the post 13a is connected with the post 14a, the post 13b is connected with the post 14b, and the post 13c is connected with the post 14 c; in this corresponding manner, the terminals 15a, 15b, 15c are connected to the terminals 16a, 16b, 16c, the terminals 17a, 17b, 17c are connected to the terminals 18a, 18b, 18c, and the terminals 19a, 19b, 19c are connected to the terminals 20a, 20b, 20 c.
The 12 wiring terminals on the third surface are output ends of the conversion device, and the wiring terminals 13a, 13b and 13c are connected to the common opening and closing terminals on the terminal row in the circuit breaker control cubicle; the terminals 15a, 15b and 15c are connected to closing terminals on a terminal row in the circuit breaker control cubicle; the wiring terminals 17a, 17b and 17c are connected to main breaking terminals on a terminal row in the circuit breaker control cubicle; the terminals 19a, 19b and 19c are connected to auxiliary opening terminals on a terminal row in the circuit breaker control cubicle; the connection wires are connected through a high-voltage test wire with a banana plug;
the binding posts 01, 02 and 03 on the first surface are input ends of the conversion device and are respectively connected with a public end, a switching-on end and a switching-off end of a mechanical characteristic test instrument of the circuit breaker through high-voltage test lines with banana plugs.
The box body is 210mm long, 180mm wide and 120mm high, is integrally made of a frosted acrylic plate and is assembled by adopting a strong magnetic adsorption principle; the first surface binding post 01, the binding post 02 and the binding post 03 are made of copper plated nickel, the shell is made of ABS material, and the binding post has the specification of phi 4mm x 21 mm.
The buzzer 10, the buzzer 11 and the buzzer 12 have an alarm function, the sound is 70-80dB, and the buzzer automatically alarms when direct-current voltage exists between the opening and closing coils of the circuit breaker;
The using method comprises the following steps:
s01, connection: connecting the third surface wiring terminal with a switching-on/off terminal on the terminal row in the circuit breaker control cubicle; the concrete connection mode is as follows: the terminals 13a, 13b and 13c are connected to the common opening and closing terminal on the terminal row in the circuit breaker control cubicle; the terminals 15a, 15b and 15c are connected to closing terminals on a terminal row in the circuit breaker control cubicle; the wiring terminals 17a, 17b and 17c are connected to main breaking terminals on a terminal row in the circuit breaker control cubicle; the terminals 19a, 19b and 19c are connected to auxiliary opening terminals on a terminal row in the circuit breaker control cubicle;
connecting the binding posts 01, 02 and 03 on the first surface with a public end, a switching-on end and a switching-off end of a mechanical characteristic test instrument of the circuit breaker respectively through high-voltage test lines with banana plugs;
s02, measuring the direct current resistance value of the opening and closing coil: measuring the direct current resistance values between the opening and closing coils through the wiring terminal on the second surface, and performing direct resistance measurement only by connecting a universal meter in the wiring hole on the second surface in the test process;
and (3) measuring the resistance between the switching-on and switching-off common terminal and the main switching-off terminal: the resistances were measured between terminals 14a and 16a, 14b and 16b, and 14c and 16c, respectively;
and (3) measuring the resistance between the switching-on and switching-off common terminal and the main switching-off terminal: the resistances are measured between the terminals 14a and 18a, 14b and 18b, and 14c and 18c, respectively;
resistance measurement between the common terminal of the opening and closing switch and the auxiliary opening terminal: the resistances were measured between the terminals 14a and 20a, 14b and 20b, and 14c and 20c, respectively;
and S03, performing a mechanical characteristic test of the circuit breaker:
and (3) closing test: the ship-shaped switch 06 and the ship-shaped switch 07 on the second surface are in a conducting state, the ship-shaped switch 08 and the ship-shaped switch 09 are in a disconnecting state, and a mechanical characteristic test instrument of the circuit breaker is operated to perform a test;
main brake-separating test: the ship-shaped switch 06 and the ship-shaped switch 08 on the second surface are in a conducting state, the ship-shaped switch 07 and the ship-shaped switch 09 are in a disconnecting state, and a mechanical characteristic test instrument of the circuit breaker is operated to perform a test;
auxiliary brake opening test: and (3) operating a mechanical characteristic test instrument of the circuit breaker to test when the ship-shaped switch 06 and the ship-shaped switch 09 on the second surface are in a conducting state and the ship-shaped switch 07 and the ship-shaped switch 08 are in a disconnecting state.
Claims (3)
1. The utility model provides a experimental secondary conversion equipment that works a telephone switchboard of circuit breaker mechanical properties which characterized in that: the appearance of the box body is a cuboid box body, 3 binding posts are arranged on the first surface of the box body, 12 binding posts, 3 buzzers, 4 ship-shaped switches and 2 warning lamps are arranged on the second surface of the box body, and 12 binding posts are arranged on the third surface of the box body;
the 3 binding posts on the first surface are respectively: terminal 01, terminal 02, terminal 03; the 12 binding posts on the second surface are respectively: posts 14a, 14b, 14c, posts 16a, 16b, 16c, posts 18a, 18b, 18c, posts 20a, 20b, 20 c; the 3 buzzers on the second surface are respectively: a buzzer 10, a buzzer 11, a buzzer 12; the 4 ship type switches on the second surface are respectively as follows: boat-shaped switch 06, boat-shaped switch 07, boat-shaped switch 08, boat-shaped switch 09; 2 warning lights on the second surface are respectively: a warning light 04, a warning light 05; the 12 binding posts on the third surface are respectively: terminals 13a, 13b, 13c, terminals 15a, 15b, 15c, terminals 17a, 17b, 17c, terminals 19a, 19b, 19 c;
the wiring terminal 01 is connected with one end of the ship-shaped switch 06 in series; the terminal 02 is connected in series with one end of the boat switch 07; one ends of the ship-shaped switches 08 and 09 are connected in parallel with the wiring terminal 03; the warning lamp 04 is connected between the binding post 01 and the binding post 02 in a parallel mode, and the warning lamp 05 is connected between the binding post 01 and the binding post 03 in a parallel mode;
the ship-shaped switch 06 is connected with the wiring posts 13a, 13b and 13c on the third surface; the boat switch 07 is connected to the posts 15a, 15b, 15c on the third surface; the boat switch 08 is connected to the posts 17a, 17b, 17c on the third surface; the boat-shaped switch 09 is connected with the wiring posts 19a, 19b and 19c on the third surface;
the buzzer 10 is connected between the ship-shaped switch 06 and the ship-shaped switch 07 in parallel, the buzzer 11 is connected between the ship-shaped switch 06 and the ship-shaped switch 08 in parallel, and the buzzer 12 is connected between the ship-shaped switch 06 and the ship-shaped switch 09 in parallel;
the posts 13a, 13b and 13c on the third surface are correspondingly connected with the posts 14a, 14b and 14c on the second surface, namely, the post 13a is connected with the post 14a, the post 13b is connected with the post 14b, and the post 13c is connected with the post 14 c; in this corresponding manner, the terminals 15a, 15b, 15c are connected to the terminals 16a, 16b, 16c, the terminals 17a, 17b, 17c are connected to the terminals 18a, 18b, 18c, and the terminals 19a, 19b, 19c are connected to the terminals 20a, 20b, 20 c.
2. The secondary wiring conversion device for the mechanical characteristic test of the circuit breaker as claimed in claim 1, wherein: the 12 wiring terminals on the third surface are output ends of the conversion device, and the wiring terminals 13a, 13b and 13c are connected to the common opening and closing terminals on the terminal row in the circuit breaker control cubicle; the terminals 15a, 15b and 15c are connected to closing terminals on a terminal row in the circuit breaker control cubicle; the wiring terminals 17a, 17b and 17c are connected to main breaking terminals on a terminal row in the circuit breaker control cubicle; the terminals 19a, 19b and 19c are connected to auxiliary opening terminals on a terminal row in the circuit breaker control cubicle; the connection wires are connected through a high-voltage test wire with a banana plug;
the binding posts 01, 02 and 03 on the first surface are input ends of the conversion device and are respectively connected with a public end, a switching-on end and a switching-off end of a mechanical characteristic test instrument of the circuit breaker through high-voltage test lines with banana plugs.
3. The secondary wiring conversion device for the mechanical characteristic test of the circuit breaker as claimed in claim 1, wherein: the box body is 210mm long, 180mm wide and 120mm high, is integrally made of a frosted acrylic plate and is assembled by adopting a strong magnetic adsorption principle; the first surface binding post 01, the binding post 02 and the binding post 03 are made of copper plated nickel, the shell is made of ABS material, and the binding post has the specification of phi 4mm x 21 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921174920.XU CN210323132U (en) | 2019-07-25 | 2019-07-25 | Secondary wiring conversion device for mechanical characteristic test of circuit breaker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921174920.XU CN210323132U (en) | 2019-07-25 | 2019-07-25 | Secondary wiring conversion device for mechanical characteristic test of circuit breaker |
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| CN210323132U true CN210323132U (en) | 2020-04-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261650A (en) * | 2019-07-25 | 2019-09-20 | 国网青海省电力公司检修公司 | Breaker mechanic property tests secondary connection conversion equipment |
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2019
- 2019-07-25 CN CN201921174920.XU patent/CN210323132U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261650A (en) * | 2019-07-25 | 2019-09-20 | 国网青海省电力公司检修公司 | Breaker mechanic property tests secondary connection conversion equipment |
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