CN213482392U

CN213482392U - Experimental frock of net side circuit breaker

Info

Publication number: CN213482392U
Application number: CN202021649890.6U
Authority: CN
Inventors: 徐娜; 莫福文; 许晓峰
Original assignee: Loteem Beijing Rail Transit Technology Co Ltd
Current assignee: Loteem Beijing Rail Transit Technology Co Ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-06-18
Anticipated expiration: 2030-08-11

Abstract

The utility model discloses a network side circuit breaker test tool, which comprises a tool test box (3), a power input socket (1) and a tool test interface (2) which are arranged on one side of the tool test box (3), and a power switch (9) and an indicator light which are arranged on the tool test box (3); frock test box (3) include case lid (32) and box (33), case lid (32) and box (33) are connected through hinge (31) on one side, case lid (32) can be followed hinge (31) relative box (33) rotate, the inside cavity that is of box (33), be equipped with test circuit in the cavity for it is experimental to realize net side circuit breaker. The utility model discloses an experimental frock of net side circuit breaker, easy operation shows through the pilot lamp that corresponds, helps tester's observation and test, realizes the automatic experiment of net side circuit breaker, has improved experimental reliability and efficiency greatly.

Description

Experimental frock of net side circuit breaker

Technical Field

The utility model belongs to net side circuit breaker test field, more specifically relates to a net side circuit breaker test fixture.

Background

With the acceleration of the urbanization construction process in China, urban rail transit of various big cities begins to develop towards the direction of intellectualization and low carbon. In order to improve the urban rail level and the operation efficiency, the intelligent development of urban rail maintenance is strengthened.

The network side circuit breaker is an indispensable device in a locomotive control system, the reliability of the network side circuit breaker is particularly important for the safe operation of a motor train unit, the maintenance and overhaul work of the network side circuit breaker is of great importance, and in order to meet the requirements of various tests in the overhaul of the network side circuit breaker, the network side circuit breaker function test tool is used as a set of tool equipment specially customized and developed for the overhaul operation of the network side circuit breaker of the motor train unit.

At present, the testing mode of the network side circuit breaker is determined by field conditions, and the common methods include the following methods: (1) the test tool provided by the manufacturer is used, but the tool is very troublesome, wastes time and labor and has slow tool progress; (2) the tester adopts the field condition, uses the plastics lid that its own was used for sealing, inserts experimental lead wire on the lid, then places in the tested article kneck, though this method is simple swift, nevertheless has a great deal of not enough, for example can't carry out the test of main loop state, directly perceived main circuit breaker state, and the vibration that switch divide-shut brake produced leads to the lead wire to drop to influence experimental relevant data accuracy. By adopting the two modes, the test project can not be completed quickly and reliably, and the working efficiency of testers is reduced to a great extent.

SUMMERY OF THE UTILITY MODEL

To the above defect of prior art or improve the demand, the utility model provides a net side circuit breaker experimental frock, be connected to the frock test interface of frock test box with the equipment connecting wire of the experimental frock of net side circuit breaker, connect power cord and power input socket and circular telegram simultaneously, open switch, operate first switch or second switch, ground indicator or closed pilot lamp light, and easy operation, show through the pilot lamp that corresponds, help testing personnel's observation and test, realize the automation test of net side circuit breaker, experimental reliability and efficiency have been improved greatly.

In order to achieve the purpose, the utility model provides a network side circuit breaker testing tool, which comprises a tool testing box, a power input socket and a tool testing interface which are arranged on one side of the tool testing box, and a power switch and an indicator light which are arranged on the tool testing box;

the power input socket, the tool test interface, the power switch and the indicator lamp are connected and communicated with the circuit board through wires in the tool test box;

the tool testing box comprises a box cover and a box body, wherein the box cover is connected with the box body through a hinge on one side, the box cover can be arranged on the box body, the hinge rotates relative to the box body, a cavity is formed in the box body, and a testing circuit is arranged in the cavity and used for realizing the test of the network side circuit breaker.

Furthermore, a mechanical lock is arranged on the other side of the box cover and the other side of the box body, and a lock opening of the mechanical lock is positioned on the box cover.

Furthermore, the power input socket comprises a ground wire input port, a zero line input port, a live wire input port and a fuse.

Further, the ground wire input port, the zero line input port, the live wire input port and the fuse are fixed on the side wall of the tool test box through screws.

Further, the pilot lamp arranges in proper order, including ground connection pilot lamp, closed pilot lamp and power indicator.

Further, the indicator light includes a first switch and a second switch.

Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can gain following beneficial effect:

1. the utility model discloses an experimental frock of net side circuit breaker, including the power input socket, frock test interface, frock test box, switch and pilot lamp, be connected to the equipment connecting wire of the experimental frock of net side circuit breaker on the frock test interface of frock test box, connect power cord and power input socket and circular telegram simultaneously, open switch, operate first switch or second switch, ground indicator or closed pilot lamp light, and easy operation, show through the pilot lamp that corresponds, help the observation and the test of tester, realize the automation test of net side circuit breaker, experimental reliability and efficiency have been improved greatly.

2. The utility model discloses an experimental frock of net side circuit breaker through set up hinge and mechanical lock on the frock test box, helps opening and closing of frock test box, appears unusually in the test process, if the pilot lamp is not bright, during power contact failure scheduling problem, can open the case lid of frock test box through opening mechanical lock, inspect the inside connection of box.

3. The utility model discloses a net side circuit breaker test fixture, it is fixed that case lid and box pass through the hinge, also can be so that when opening the case lid, the case lid has a support, only needs the certain angle of upset, need not put aside the case lid to the problem that box internal connection line dragged when having avoided opening the case lid.

4. The utility model discloses a net side circuit breaker test fixture, change fuse that can be very convenient help improving the maintenance efficiency of net survey circuit breaker test fixture.

5. The utility model discloses an experimental frock of net side circuit breaker, switch and pilot lamp are all installed on the case lid of frock test box, make things convenient for the tester to observe, arrange the electric wire or the circuit board of interconnect in the frock test box, help frock test box surface clean and tidy, show directly perceived, conveniently carry, through this kind arrange connected mode, convenient operation practices thrift the space.

Drawings

Fig. 1 is a schematic structural diagram of a network-side circuit breaker testing tool according to an embodiment of the present invention;

fig. 2 is a side view of a network-side circuit breaker testing tool according to an embodiment of the present invention;

fig. 3 is the embodiment of the utility model provides a view of bowing of experimental frock of net side circuit breaker.

In all the figures, the same reference numerals denote the same features, in particular: 1-power input socket, 11-ground wire input port, 12-zero line input port, 13-live wire input port, 14-screw, 15-fuse, 2-tool test interface, 3-tool test box, 31-hinge, 32-box cover, 33-box body, 4-grounding indicator lamp, 5-closing indicator lamp, 6-power indicator lamp, 7-first switch, 8-second switch, 9-power switch and 10-mechanical lock.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1, the embodiment of the utility model provides a net side circuit breaker test fixture, including power input socket 1, frock test interface 2, frock test box 3, switch 9 and pilot lamp. Power input socket 1 and frock test interface 2 all install on the lateral wall on frock test box 3, and power input socket 1 and frock test interface 2 lie in same one side, and switch 9 and pilot lamp are all installed on the case lid 32 of frock test box 3. The power input socket 1, the tool test interface 2, the power switch 9 and the indicator lamp are all connected and communicated with each other through an electric wire and a circuit board in the tool test box 3. The power input socket 1 and the tool test interface 2 are fixedly arranged on the side wall of the tool test box 3, and are favorable for connecting a power plug and an equipment connecting wire. Switch 9 and pilot lamp are all installed on the case lid 32 of frock test box 3, make things convenient for the tester to observe, arrange interconnect's electric wire or circuit board in frock test box 3, help the frock test box 3 surface clean and tidy, the aspect removes. Through this kind of connection mode of arranging, convenient operation practices thrift the space. The utility model discloses an experimental frock of net side circuit breaker, on being connected to the frock test interface of frock test box with the equipment connecting wire of the experimental frock of net side circuit breaker, power cord and power input socket and circular telegram have been connected well simultaneously, open switch, operate first switch or second switch, ground indicator or closed pilot lamp light, and easy operation shows through the pilot lamp that corresponds, help the observation and the test of testing personnel, realize the automation test of net side circuit breaker, experimental reliability and efficiency have been improved greatly.

Referring to fig. 1, the tool testing box 3 includes a hinge 31, a box cover 32 and a box body 33, wherein one end of the box cover 32 is connected with one end of the box body 33 through the hinge 31, the box cover 32 can rotate relative to the box body 33 at the hinge 31, and a cavity is formed inside the box body 33. The other ends of the box cover 32 and the box body 33 are provided with the mechanical lock 10, the mechanical lock 10 is arranged in the box body 33 and is fixed with the box cover 32, and the locking port of the mechanical lock 10 is positioned on the box cover 32. Through set up hinge 31 and mechanical lock 10 on frock test box 3, help opening and closing of frock test box 3, appear unusually in the test process, if the pilot lamp is not bright, during the bad contact scheduling problem of power, can open the case lid 32 of frock test box 3 through opening mechanical lock 10, the connection to box 33 inside is examined, case lid 32 and box 33 pass through hinge 31 fixedly, also can be so that when opening case lid 32, case lid 32 has a support, only need overturn certain angle, need not put aside case lid 32, thereby the problem that box internal connection line was dragged when having avoided opening case lid 32.

Further, referring to fig. 2, the upper portion of the power input socket 1 is a ground wire input port 11, a zero line input port 12 and a live wire input port 13, the lower portion is a fuse 15, and the middle portion is fixed on the side wall of the tool testing box 3 through a screw 14. The screw 14 can be removed by a screwdriver when the power plug is removed, and then the fuse 15 of the same specification can be replaced. The arrangement can conveniently replace the fuse, and is beneficial to prolonging the service life of the test tool of the network-side circuit breaker.

Referring to fig. 3, indicator lights provided on the case cover 32 are sequentially arranged, and the indicator lights include a ground indicator light 4, a closing indicator light 5, a power indicator light 6, a first switch 7, and a second switch 8. The grounding indicator lamp 4, the closing indicator lamp 5 and the power indicator lamp 6 are arranged in a first row, the first switch 7, the second switch 8 and the power switch 9 are arranged in a second row, the first row is parallel to the second row, the grounding indicator lamp 4 corresponds to the first switch 7 in position and is connected with the first switch in position, the closing indicator lamp 5 corresponds to the second switch 8 in position and is connected with the second switch in position, and the power indicator lamp 6 corresponds to the power switch 9 in position and is connected with the power switch in position. The connecting lines and connecting positions of all components are located inside the box body 33, and the box cover 32 displays the connecting lines and the connecting positions, so that the whole box is simple and easy to operate. When maintenance is required, the mechanical lock 10 is unlocked directly, and the box cover 32 is opened to perform maintenance.

When inspection equipment and mains voltage, be connected to the equipment test interface 2 of frock test box 3 with the equipment connecting wire of the experimental frock of net side circuit breaker, connect power cord and power input socket 1 and circular telegram simultaneously, open switch 9, power indicator 6 lights this moment, operate first switch 7 or second switch 8, ground connection pilot lamp 4 or closed pilot lamp 5 lights. The network test circuit breaker test tool is simple in operation and convenient to test, and is displayed through the corresponding indicator lamp, so that observation and test of testers are facilitated.

It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the scope of the present invention.

Claims

1. A network side circuit breaker test tool is characterized by comprising a tool test box (3), a power input socket (1) and a tool test interface (2) which are arranged on one side of the tool test box (3), and a power switch (9) and an indicator light which are arranged on the tool test box (3);

the power input socket (1), the tool test interface (2), the power switch (9) and the indicator lamp are connected and communicated with the circuit board through wires in the tool test box (3);

frock test box (3) include case lid (32) and box (33), case lid (32) and box (33) are connected through hinge (31) on one side, case lid (32) can be followed hinge (31) relative box (33) rotate, the inside cavity that is of box (33), be equipped with test circuit in the cavity for it is experimental to realize net side circuit breaker.

2. The testing tool for the network side circuit breaker according to claim 1, wherein a mechanical lock (10) is arranged on the other side of the box cover (32) and the box body (33), and a locking opening of the mechanical lock (10) is positioned on the box cover (32).

3. The net side breaker testing tool according to claim 1, wherein the power input socket (1) comprises a ground wire input port (11), a zero line input port (12), a live wire input port (13) and a fuse (15).

4. The testing tool for the network side circuit breaker according to claim 3, wherein the ground wire input port (11), the zero line input port (12), the live wire input port (13) and the fuse (15) are fixed on the side wall of the testing box (3) of the tool through screws (14).

5. The testing tool for the network side circuit breakers according to any one of claims 1 to 4, wherein the indicator lamps are sequentially arranged and comprise a grounding indicator lamp (4), a closing indicator lamp (5) and a power indicator lamp (6).

6. The net side circuit breaker testing tool according to claim 5, wherein the indicator light comprises a first switch (7) and a second switch (8).