CN214153379U - Portable plug short circuit device - Google Patents
Portable plug short circuit device Download PDFInfo
- Publication number
- CN214153379U CN214153379U CN202022521345.5U CN202022521345U CN214153379U CN 214153379 U CN214153379 U CN 214153379U CN 202022521345 U CN202022521345 U CN 202022521345U CN 214153379 U CN214153379 U CN 214153379U
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- CN
- China
- Prior art keywords
- short
- plug
- circuit
- hole
- busbar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 4
- 239000010959 steel Substances 0.000 claims abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910001369 Brass Inorganic materials 0.000 claims description 3
- 239000010951 brass Substances 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000004804 winding Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a portable plug short circuit device aims at providing a portable plug short circuit device of simple operation. The device comprises a contact pin, a fork type line nose, a fixing screw and a short-circuit busbar; the contact pins comprise a rod body, a first lantern spring plug positioned at one end of the rod body, and a second lantern spring plug positioned at the other end of the rod body; the short-circuit busbar is in a channel steel shape, and a screw hole and a plug hole are formed in the side wall of one side of the short-circuit busbar; the first lantern spring plug is matched with the plug hole; the first lantern spring plug is matched with a short-circuit hole of a short-circuit object terminal; one end of the fork type line nose is connected to a screw hole of the short-circuit busbar through a fixing screw. The utility model is suitable for a short circuit of various hydraulic generator stator in-slot thermal resistance uses.
Description
Technical Field
The utility model relates to a hydraulic generator technical field specifically is a relate to a portable plug short circuit device.
Background
The temperature measuring element is arranged in an upper layer coil bar layer groove and a lower layer coil bar layer groove of a stator, once the temperature measuring element is arranged in place, the thermal resistor cannot be disassembled or replaced under the condition of not disassembling and pulling the stator coil bar, according to the requirement of national standard GB8564-2003 'mounting technical specification of a water-turbine generator set', before the stator coil bar of the generator performs an alternating current withstand voltage (2.0 x Un +3.0 kV) test every time, in order to prevent the phenomenon that the coil bar breaks down the temperature measuring thermal resistor due to discharging caused by factors such as unqualified insulation, substandard process and the like, or the phenomenon that the temperature measuring element is damaged but cannot be replaced due to overlarge induced electromotive force occurs, the temperature measuring thermal resistor of the stator winding needs to be in short circuit and grounded. At present, a short circuit mode adopts a traditional Phoenix FB series short connection sheet to carry out short circuit on a wiring terminal, each terminal is fixed by a screw and then serially connected with a wire or a copper wire for grounding, the thermal resistance of a unit stator winding of different power plants is averagely about 140, one thermal resistance has two groups of 6 wires, the wiring terminal which needs to be short-circuited about 840 on the same unit is calculated, at least 2 persons are needed to carry out work simultaneously, the time is averagely 4 days from short circuit to dismounting, the workload is huge, the efficiency is low, and the operation is not standard. It is necessary to provide a portable short circuit device of plug to solve above-mentioned problem, reduces work volume and improves work efficiency, guarantees work quality.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a purpose aims at overcoming the not enough of prior art existence, provides a portable plug short circuit device. The working efficiency of the high stator winding temperature measurement thermal resistor short-circuit grounding of the water turbine generator can be effectively improved, and the conditions that the short circuit is not in place and the terminal is damaged due to human factors are avoided.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
a portable plug short-circuit device comprises a contact pin, a fork type line nose, a fixing screw and a short-circuit busbar; the contact pins comprise a rod body, a first lantern spring plug positioned at one end of the rod body, and a second lantern spring plug positioned at the other end of the rod body; the short-circuit busbar is in a channel steel shape, and a screw hole and a plug hole are formed in the side wall of one side of the short-circuit busbar; the first lantern spring plug is matched with the plug hole; the first lantern spring plug is matched with a short-circuit hole of a short-circuit object terminal; one end of the fork type line nose is connected to a screw hole of the short-circuit busbar through a fixing screw.
Specifically, the end of the first lantern spring plug is conical or hemispherical.
Specifically, the end of the second lantern spring plug is conical or hemispherical.
Specifically, the short-circuit busbar adopts a pure copper busbar.
Specifically, the contact pin is a brass contact pin.
Compared with the prior art, the utility model has the advantages of as follows:
1. the utility model discloses can customize the contact pin that matches with it by oneself according to short circuit object terminal size to the terminal that satisfies different specifications uses. Compared with the traditional short circuit mode, the short circuit device has more standard and rapid short circuit operation and more reliable fixation; the defects that the traditional short circuit device is not easy to operate, large in one-by-one fastening workload, incapable of bridging, irregular and the like are effectively overcome.
2. The utility model discloses can effectively improve the work efficiency of short circuit, avoid the human factor to lead to the short circuit not in place, damage the condition such as terminal, have good economic benefits and social, be fit for using widely.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the middle contact pin of the present invention.
Fig. 2 is the structure schematic diagram of the two short-circuit busbars in series connection.
Detailed Description
For more clearly illustrating the objects, technical solutions and advantages of the present invention, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by a person skilled in the art without any inventive work based on the embodiments described below belong to the scope of protection of the present invention.
In the description of the present invention, technical or scientific terms used should have the ordinary meaning as understood by those having ordinary skill in the art to which the present invention belongs. It should be noted that unless otherwise expressly stated or limited, the terms "mounted," "connected," "disposed," and the like are intended to be broadly construed and include, for example, fixedly connected, disposed, detachably connected, disposed, and integrally connected and disposed. The terms "connected" and similar terms are not limited to physical or mechanical connections, but may also include electrical connections, and those skilled in the art will understand the specific meanings of the above terms in the present invention according to specific situations. The terms "comprises" or "comprising," and the like, mean that the element or item preceding the term includes the element or item listed after the term and its equivalent, but not excluding other elements or items. The terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing and simplifying the present invention, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Meanwhile, in order to keep the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known parts is omitted.
As shown in the attached drawings, the portable plug short-circuit device of the utility model comprises a contact pin 1, a fork type line nose 2, a fixing screw 3 and a short-circuit bus bar 4; the contact pin 1 comprises a rod body 11, a first lantern spring plug 12 positioned at one end of the rod body 11, and a second lantern spring plug 13 positioned at the other end of the rod body 11; the short-circuit busbar 4 is in a channel steel shape, a screw hole (shielded by a fixing screw 3 in the figure) and a plug hole 41 are arranged on the side wall of one side of the short-circuit busbar, and the aperture of the screw hole and the plug hole 41 is preferably 3 mm; the first lantern spring plug 12 is matched with the plug hole 41; the first lantern spring plug 12 is matched with a short-circuit hole of a short-circuit object terminal; one end of the fork type wire nose 2 is connected to a screw hole of the short-circuit busbar 4 through a fixing screw 3.
In this embodiment, the ends of the first lantern spring plug 12 and the second lantern spring plug 13 are hemispherical, so that the plugging can be automatically aligned conveniently, and obviously, the ends may also be conical.
In this embodiment, the shorting busbar 4 preferably adopts a pure copper busbar with good conductivity, and the contact pin 1 preferably adopts a brass contact pin with good deformability.
The utility model is used for stator winding temperature measurement thermal resistance short circuit during operation: and then fixing the second lantern spring plug in the screw hole arranged in the short-circuit bus by using a fixing screw and a fork type wire nose, completing series connection between the bus bar and the bus bar by using a lead, and finally completing short-circuit grounding work by accessing into a grounding grid.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. It should be understood by those skilled in the art that any modification, equivalent replacement, or improvement made to the technical solutions or parts of technical features described in the above embodiments can be included in the scope of the present invention within the spirit and principle of the present invention.
Claims (5)
1. A portable plug short-circuit device comprises a contact pin (1), a fork type wire nose (2), a fixing screw (3) and a short-circuit busbar (4); the method is characterized in that: the contact pin (1) comprises a rod body (11), a first lantern spring plug (12) positioned at one end of the rod body (11), and a second lantern spring plug (13) positioned at the other end of the rod body (11); the short-circuit busbar (4) is in a channel steel shape, and a screw hole and a plug hole (41) are formed in the side wall of one side of the short-circuit busbar; the first lantern spring plug (12) is matched with the plug hole (41); the first lantern spring plug (12) is matched with a short-circuit hole of a short-circuit object terminal; one end of the fork type line nose (2) is connected to a screw hole of the short-circuit busbar (4) through a fixing screw (3).
2. The portable plug shorting device of claim 1, wherein: the end of the first lantern spring plug (12) is conical or hemispherical.
3. The portable plug shorting device of claim 1, wherein: the end of the second lantern spring plug (13) is conical or hemispherical.
4. The portable plug shorting device according to any one of claims 1 to 3, wherein: the short-circuit busbar (4) is a pure copper busbar.
5. The portable plug shorting device according to any one of claims 1 to 3, wherein: the contact pin (1) is a brass contact pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022521345.5U CN214153379U (en) | 2020-11-04 | 2020-11-04 | Portable plug short circuit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022521345.5U CN214153379U (en) | 2020-11-04 | 2020-11-04 | Portable plug short circuit device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214153379U true CN214153379U (en) | 2021-09-07 |
Family
ID=77562119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022521345.5U Withdrawn - After Issue CN214153379U (en) | 2020-11-04 | 2020-11-04 | Portable plug short circuit device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214153379U (en) |
-
2020
- 2020-11-04 CN CN202022521345.5U patent/CN214153379U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210907 Effective date of abandoning: 20240126 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20210907 Effective date of abandoning: 20240126 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |