CN219039148U - Protective debugging time contact acquisition switching device - Google Patents
Protective debugging time contact acquisition switching device Download PDFInfo
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- CN219039148U CN219039148U CN202223242660.XU CN202223242660U CN219039148U CN 219039148 U CN219039148 U CN 219039148U CN 202223242660 U CN202223242660 U CN 202223242660U CN 219039148 U CN219039148 U CN 219039148U
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- over switch
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Abstract
The utility model discloses a protection debugging time contact acquisition switching device which is mainly applied to the field and comprises a guide rail, a shell, a first terminal row, a second terminal row, a third terminal row, a fourth terminal row, a universal change-over switch and a test connector, wherein the shell is a hollow cube or a cuboid, the top of the shell is provided with the universal change-over switch, the inner wall of the shell is sequentially provided with four groups of guide rails, the guide rails are sequentially provided with the first terminal row, the second terminal row, the third terminal row and the fourth terminal row, and the universal change-over switch is provided with 24 pairs of contacts. The contact acquisition switching device for the protection debugging time is convenient to operate, reduces 79% of debugging time for maintenance, technical improvement, program upgrading of the protection device and the like, is safe and reliable, avoids mistakenly touching a live loop and mistakenly accessing a live terminal caused by frequently changing wires, reduces the risk of unplanned outage of operation equipment, and improves the working efficiency of protection debugging.
Description
Technical Field
The utility model relates to the technical field of power system equipment, in particular to a protection debugging time contact acquisition switching device.
Background
In the work of overhauling, technically modifying, protecting device program upgrading and the like of multi-outlet protecting devices such as a bus protecting device, a low-frequency low-voltage load-reducing device, a spare automatic switching device, a low-current grounding line selecting device, a main transformer protecting device and the like, in the checking work, according to the southern power grid relay protection checking specification, the outlet joint is required to be checked, but because an outer loop is electrified to operate, only the action condition and the action time of the outlet joint are acquired, and because the outlet loops are more, part of the outlet loops are electrified, the risk of direct current short circuit and mutual channeling exists, the protection debugging is generally carried out at a front cabinet door, the wiring is generally carried out at a rear cabinet door, and the protection tester only needs to change the wiring after acquiring one time joint, so that the debugging efficiency is lower.
Disclosure of Invention
The utility model provides a contact acquisition switching device for protection debugging time, which solves the problems of low debugging efficiency, inconvenient use, low reliability, AC/DC short circuit or mutual channeling in the debugging process of the protection device.
The technical scheme of the utility model is as follows: the utility model provides a switching device is gathered to protection debugging time contact, includes guide rail, casing, first terminal row, second terminal row, third terminal row, fourth terminal row, omnipotent change over switch, test joint, the casing is cavity square or cuboid, the casing top sets up omnipotent change over switch, shells inner wall sets gradually four sets up four guide rails, set gradually first terminal row, second terminal row, third terminal row, fourth terminal row on the guide rail, omnipotent change over switch sets up 24 auxiliary contacts, first terminal row, second terminal row all set up 21 voltage terminals, third terminal row, fourth terminal row all set up 11 voltage terminals, omnipotent change over switch sets up 22 wires with first terminal row, second terminal row, third terminal row, fourth terminal row between, first terminal row, second terminal row one side sets gradually 11 test joints, third terminal row, fourth terminal row one side sets gradually 1 test joint.
Preferably, the shell is made of transparent acrylic plate material.
Preferably, the universal change-over switch is a double-breakpoint universal change-over switch, and meanwhile, only 2 contacts are in a conducting state, and other contacts are all disconnected.
Preferably, the third terminal row and the fourth terminal row are connected by adopting a short connecting piece, 11 terminals on the same side of the first terminal row and the second terminal row are in a parallel connection state and are connected with a test wire through test connectors, and the test connectors on one side of the third terminal row and one side of the fourth terminal row are used as access relay protection testers for collecting and using the contact.
Preferably, the universal change-over switch is provided with 12 gears, wherein 1 gear is neutral gear.
Preferably, an operation guide card is arranged on any side surface of the shell.
The principle of the utility model is as follows:
the technical problems to be solved by the utility model are as follows: the device adopts a double-breakpoint design, normally open contacts capable of being switched are arranged at two ends of the outlet loops, and meanwhile, only one pair of the contacts are in a conducting state, and other contacts are disconnected, so that direct current short circuits are effectively avoided; preventing error test or misoperation, setting 1 gear in the universal change-over switch as neutral gear, and switching the device to the neutral gear to cut off all the led-out outlets when any condition occurs in the test process; the device adopts the transparent acrylic plate, the interior of the device adopts the design of leading the wiring to the terminal strip, the structure principle is clear and clear, the operation is convenient, and the equipment operation is reliable; meanwhile, the device can be connected into an 11-path outlet loop, in the inspection process, only a switch is needed, different outlets can be switched, the working efficiency is improved, meanwhile, the condition of missing inspection and wrong inspection can be avoided, and the problems that the traditional protection device can only collect one time contact point, the wire needs to be changed after each time contact point is collected and the working efficiency is low are solved.
The utility model has the beneficial effects that: the utility model provides a switching device is gathered to protection debugging time contact, simple operation reduces the debugging time of work such as maintenance, technique improvement, protection device program upgrade, safe, reliable, avoids frequent mistake that the wiring leads to bump electrified return circuit, misaccess electrified terminal, has reduced the risk of the unplanned outage of running equipment, improves the work efficiency of protection debugging.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a schematic diagram of the structure of the present utility model;
FIG. 4 is a bottom view of the present utility model;
in the figure, 101-first terminal row, 102-second terminal row, 103-third terminal row, 104-fourth terminal row, 105-guide rail, 106-universal switch, 107-housing, 108-test connector.
Detailed Description
The specific implementation mode of the utility model is as follows: as shown in fig. 1, fig. 2, fig. 3, fig. 4, a protection debugging time contact collection switching device, including guide rail 105, casing 107, first terminal row 101, second terminal row 102, third terminal row 103, fourth terminal row 104, omnipotent change-over switch 106, test joint 108, casing 107 is cavity square or cuboid, the casing 107 top sets up omnipotent change-over switch 106, the casing 107 inner wall sets up four guide rails 105 in proper order, set up first terminal row 101, second terminal row 102, third terminal row 103, fourth terminal row 104 on the guide rail 105 in proper order, omnipotent change-over switch 106 sets up 24 auxiliary contacts, first terminal row 101, second terminal row 102 all set up 21 voltage terminals, fourth terminal row 103, fourth terminal row 104 all set up 11 voltage terminals, omnipotent change-over switch 106 sets up 22 wiring with first terminal row 101, second terminal row 102, third terminal row 103, fourth terminal row 104 between, first terminal row 101, second terminal row 102 sets up 11 terminal row 108 in proper order, test joint 1 side sets up test joint 108.
Specifically, the housing 107 is made of a transparent acrylic plate material. The housing 107 made of the transparent acrylic plate material can clearly see the internal wiring and the terminal strip.
Specifically, the universal switch 106 is a dual-breakpoint universal switch, and at the same time, only 2 contacts are in on state, and other contacts are all off.
Specifically, the third terminal row 103 and the fourth terminal row 104 are connected by using a short connecting piece, the 11 terminals on the same side of the first terminal row 101 and the second terminal row 102 are in a parallel state, and are connected with a test line through a test connector 108, and the test connector 108 on one side of the third terminal row 103 and one side of the fourth terminal row 104 in sequence is used as an access relay protection tester for collecting and using the contact.
Specifically, the universal switch 106 sets 12 gear, wherein 1 gear is neutral. When an accident such as an abnormality or a short circuit occurs, all the circuits can be cut off when the universal switch 106 is switched to 1 st gear.
Specifically, the operation guide card is disposed on either side of the housing 107.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a switching device is gathered to protection debugging time contact, includes guide rail (105), casing (107), its characterized in that: still include first terminal row (101), second terminal row (102), third terminal row (103), fourth terminal row (104), omnipotent change over switch (106), test joint (108), casing (107) are cavity square or cuboid, casing (107) top sets up omnipotent change over switch (106), casing (107) inner wall sets gradually four guide rails (105) in group, set gradually first terminal row (101), second terminal row (102), third terminal row (103), fourth terminal row (104) on guide rail (105), omnipotent change over switch (106) set up 24 auxiliary contacts, first terminal row (101), second terminal row (102) all set up 21 voltage terminals, third terminal row (103), fourth terminal row (104) all set up 11 voltage terminals, omnipotent change over switch (106) and first terminal row (101), second terminal row (102), third terminal row (103), fourth terminal row (104) are set up 22 wiring between arranging (104), first terminal row (101), second terminal row (102), fourth terminal row (102), test joint (1) are arranged in group (108), test joint (1).
2. The protection debug time contact acquisition switching device of claim 1, wherein: the shell (107) is made of transparent acrylic plate material.
3. The protection debug time contact acquisition switching device of claim 1, wherein: the universal change-over switch (106) is a double-breakpoint universal change-over switch, and meanwhile, only 2 contacts are in a conducting state, and other contacts are all disconnected.
4. The protection debug time contact acquisition switching device of claim 1, wherein: the third terminal row (103) and the fourth terminal row (104) are connected by adopting a short connecting piece, the 11 terminals on the same side of the first terminal row (101) and the second terminal row (102) are in a parallel state and are connected with a test line through a test connector (108), and the test connector (108) on one side of the third terminal row (103) and one side of the fourth terminal row (104) are used as an access relay protection tester for collecting and using the contact.
5. The protection debug time contact acquisition switching device of claim 1, wherein: the universal change-over switch (106) is provided with 12 gears, and one gear is neutral gear.
6. The protection debug time contact acquisition switching device of claim 1, wherein: an operation guide card is arranged on either side of the shell (107).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223242660.XU CN219039148U (en) | 2022-12-05 | 2022-12-05 | Protective debugging time contact acquisition switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223242660.XU CN219039148U (en) | 2022-12-05 | 2022-12-05 | Protective debugging time contact acquisition switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219039148U true CN219039148U (en) | 2023-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223242660.XU Active CN219039148U (en) | 2022-12-05 | 2022-12-05 | Protective debugging time contact acquisition switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219039148U (en) |
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2022
- 2022-12-05 CN CN202223242660.XU patent/CN219039148U/en active Active
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