CN107706774B - Novel rural power grids low voltage distribution box - Google Patents
Novel rural power grids low voltage distribution box Download PDFInfo
- Publication number
- CN107706774B CN107706774B CN201711205306.0A CN201711205306A CN107706774B CN 107706774 B CN107706774 B CN 107706774B CN 201711205306 A CN201711205306 A CN 201711205306A CN 107706774 B CN107706774 B CN 107706774B
- Authority
- CN
- China
- Prior art keywords
- bin
- wire
- switch
- guide rail
- wire inlet
- 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.)
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Links
- 238000002955 isolation Methods 0.000 claims abstract description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 8
- 239000010935 stainless steel Substances 0.000 claims abstract description 8
- 238000005192 partition Methods 0.000 claims abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 206010014357 Electric shock Diseases 0.000 abstract description 4
- 230000001174 ascending effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
- H02B1/052—Mounting on rails
- H02B1/0523—Mounting on rails locked into position by a sliding member
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/16—Earthing arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/18—Disposition or arrangement of fuses
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
- H02B1/48—Mounting of devices therein
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a rural power grid low-voltage distribution box, which comprises a stainless steel box body; the inner side of the stainless steel box body forms an incoming line bin, an outgoing line bin and an isolation bin through a partition plate with a T-shaped structure; the front side of the wire inlet bin is hinged with a wire inlet door; the front side of the wire outlet bin is hinged with a wire outlet door; the bottoms of the outer sides of the wire inlet bin and the wire outlet bin are respectively provided with a wire locking nut; the bottom of the inner side of the wire inlet bin is opposite to the wire locking nut and is fixed with a three-phase wire inlet post; the bottom of the inner side of the wire outlet bin is opposite to the wire locking nut and is fixed with a three-phase wire outlet post; a first electric guide rail and a second electric guide rail are fixed on the inner side of the wire inlet bin; according to the rural power grid low-voltage distribution box, the grounding knife switch is arranged in the outgoing line bin, the outgoing line side rod towers are not required to be installed for working grounding, the potential safety hazard of ascending operation is avoided, and in addition, when internal overhaul is carried out, the incoming line door and the outgoing line door can be linked, so that the electric shock risk is avoided.
Description
Technical Field
The invention relates to a rural power grid distribution box, in particular to a novel rural power grid low-voltage distribution box, and belongs to the technical field of rural power grid distribution boxes.
Background
With the continuous development of society, the demand of vast rural areas for electric power is larger and larger, and the demand of electric power quality is higher and higher; the existing rural power grids are various in low-voltage power distribution cabinets, such as Chinese patent application number: 20172012046. X discloses a rural power grid power distribution cabinet, which comprises a cabinet body, wherein a sliding sleeve is arranged at the joint of two side plates of the cabinet body, a cylindrical channel is processed on the sliding sleeve, a supporting upright rod is arranged in the cylindrical channel in a sliding manner, the bottom end of the supporting upright rod is fixedly arranged on a fixed seat, the fixed seat is arranged at the end part of a base through a fixing bolt, a damping spring is arranged at the lower part of the supporting upright rod, a first damping seat and a second damping seat are respectively arranged between the lower surface of a bottom plate of the cabinet body and the upper surface of the base, a cavity is further processed on the bottom plate of the cabinet body, a heat dissipation fan is arranged in the cavity, a plurality of folded holes are processed on a top plate of the cabinet body, a supporting plate is also erected on the upper surface of the top plate of the cabinet body through a second supporting rod, and an inclined plate is fixedly arranged on the supporting plate, and a solar cell panel is arranged on the surface of the inclined plate; the invention has simple structure, reasonable design, good heat dissipation effect and good shock resistance, prolongs the service life of the power distribution cabinet and has high practical value; at present, when a rural power grid low-voltage line is subjected to power failure maintenance, a pair of working grounding devices is required to be installed on an outgoing line side lever tower, and potential safety hazards such as high-altitude falling and misoperation exist in ascending operation; and when overhauling low-voltage distribution cabinet, cause the electric shock risk easily. There is a need for improvements.
Disclosure of Invention
The invention aims to provide a novel rural power grid low-voltage distribution box so as to overcome the defects in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The embodiment of the application discloses a novel rural power grid low-voltage distribution box, which comprises a stainless steel box body; the inner side of the stainless steel box body forms an incoming line bin, an outgoing line bin and an isolation bin through a partition plate with a T-shaped structure; the front side of the wire inlet bin is hinged with a wire inlet door; the front side of the wire outlet bin is hinged with a wire outlet door; the bottoms of the outer sides of the wire inlet bin and the wire outlet bin are respectively provided with a wire locking nut; the bottom of the inner side of the wire inlet bin is opposite to the wire locking nut and is fixed with a three-phase wire inlet post; the bottom of the inner side of the wire outlet bin is opposite to the wire locking nut and is fixed with a three-phase wire outlet post; a first electric guide rail and a second electric guide rail are fixed on the inner side of the wire inlet bin; the first electric guide rail is provided with a first fuse element which is electrically connected with the three-phase wire inlet column; the second electric guide rail is provided with a linkage manual integrated switch which is electrically connected with the output end of the first fuse element; the inner side of the isolation bin is provided with a copper bar which is electrically connected with the linkage manual integrated switch; a third electric guide rail, a fourth electric guide rail and a fifth electric guide rail are arranged on the inner side of the outlet bin; a circuit breaker electrically connected with the copper bar is arranged on the third electric guide rail; the circuit breaker output end is electrically connected to a second fuse element mounted on the fourth electrical rail; the output end of the second fuse element is connected to the three-phase wire outlet column; the side of the output end of the second fuse element is connected with a linkage manual grounding switch; the output end of the linkage manual grounding switch is electrically connected to the ground end.
Preferably, in the novel rural power grid low-voltage distribution box, the linkage manual integrated switch comprises a first box body; the first electric control switch is arranged at the inner side of the first box body and is electrically connected with the first fuse element and the copper bar; the two ends of the first electric control switch are connected with a manual knife switch in parallel; the electric control end of the first electric control switch is connected with a first travel switch arranged between the wire inlet bin and the wire inlet door through a control module.
Preferably, in the novel rural power grid low-voltage distribution box, the linkage manual grounding switch comprises a second box body; a second electric control switch is arranged at the inner side of the second box body; one end of the second electric control switch is electrically connected with the second fuse element, and the other end of the second electric control switch is electrically connected to the ground end through the ground switch; and the electric control end of the second electric control switch is connected with a second travel switch arranged between the outlet bin and the outlet door through a control module.
Preferably, in the novel rural power grid low-voltage distribution box, the grounding switch is a grounding disconnecting link.
Compared with the prior art, the invention has the advantages that: according to the novel rural power grid low-voltage distribution box, the grounding disconnecting link is arranged in the outgoing line bin, the outgoing line side rod towers are not required to be installed for working and grounding, the potential safety hazard of ascending operation is avoided, and in addition, when internal overhaul is carried out, the incoming line door and the outgoing line door can be linked, so that the electric shock risk is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
Fig. 1 is a schematic structural diagram of a novel rural power grid low-voltage distribution box according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a manual-linkage integrated switch and a manual-linkage grounding switch in an embodiment of the present invention.
Detailed Description
The following detailed description of the technical solutions according to the embodiments of the present invention will be given with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and 2, the novel rural power grid low-voltage distribution box in the embodiment comprises a stainless steel box body 1; the inner side of the stainless steel box body 1 forms a wire inlet bin 3, a wire outlet bin 4 and an isolation bin 5 through a partition plate 2 with a T-shaped structure; the front side of the wire inlet bin 3 is hinged with a wire inlet door 6; the front side of the outlet bin 4 is hinged with an outlet door 7; the bottoms of the outer sides of the incoming line bin 4 and the outgoing line bin 5 are respectively provided with a locking wire nut 8, incoming lines and outgoing lines can be positioned and locked through the locking wire nuts 8, and meanwhile, water vapor can be prevented from entering to cause internal short circuit; the bottom of the inner side of the wire inlet bin 3 is opposite to the wire locking nut and is fixed with a three-phase wire inlet post 9; the bottom of the inner side of the wire outlet bin 4 is opposite to the lockwire nut and is fixed with a three-phase wire outlet post 10; the first electric guide rail 11 and the second electric guide rail 12 are fixed on the inner side of the wire inlet bin 3, and electric parts can be conveniently and slidably locked and installed through the first electric guide rail 11 and the second electric guide rail 12, so that the installation reliability is ensured; a first fuse element 13 electrically connected with the three-phase wire inlet column is arranged on the first electric guide rail 11; the second electric guide rail 12 is provided with a linkage manual integrated switch 14 which is electrically connected with the output end of the first fuse element; the copper bar 15 which is electrically connected with the linkage manual integrated switch is arranged on the inner side of the isolation bin 5, and the external electrical components can be well isolated electromagnetically through the isolation bin 5; a third electric guide rail 16, a fourth electric guide rail 17 and a fifth electric guide rail 18 are arranged on the inner side of the outlet bin 4; a circuit breaker 19 electrically connected with the copper bar is arranged on the third electric guide rail 16; the output end of the circuit breaker 19 is electrically connected to a second fuse element 20 mounted on the fourth electrical rail; the output end of the second fuse element 20 is connected to the three-phase wire outlet post 10; the side of the output end of the second fuse element 20 is connected with a linkage manual grounding switch 21; the output end of the linkage manual grounding switch 21 is electrically connected to the ground end; the electric charge can be opened and bypassed through the linkage manual integrated switch 14 or the linkage manual grounding switch 21, and when a certain phase is to be overhauled, the manual knife switch or the grounding switch is directly closed; when the rural power grid low-voltage line is subjected to power failure maintenance, grounding can be completed through the grounding disconnecting link, and the wire outlet side rod towers are not required to be installed for working grounding, so that potential safety hazards of climbing operation are avoided.
Further, the linkage manual integrated switch 14 includes a first case 141; and a first electric control switch 142 installed inside the first case 141 and electrically connected to the first fuse member and the copper bar; the two ends of the first electric control switch 142 are connected with a manual knife switch 143 in parallel; the electric control end of the first electric control switch 142 is connected with a first travel switch 145 arranged between the wire inlet bin and the wire inlet door through a control module 144; when the incoming door is opened, the second travel switch detects a signal and transmits the signal to the control module, the control module gives a first electric control switch signal, and the first electric control switch completes three-phase open circuit; the initial state of the manual knife switch is an open-close state; when a certain phase connection electric detection is needed, a certain path of manual knife switch detection is directly closed.
Further, the linkage manual grounding switch 21 comprises a second box 211; a second electric control switch 212 is arranged on the inner side of the second box body 211; one end of the second electrically controlled switch 212 is electrically connected to the second fuse element 20, and the other end is electrically connected to the ground through the ground switch 213; the electric control end of the second electric control switch 212 is connected with a second travel switch 214 arranged between the outlet bin and the outlet door through the control module 144; when the outlet door is opened, the second travel switch detects a signal and transmits the signal to the control module, the control module gives a second electric control switch signal, and the second electric control switch completes three-phase grounding; the initial state of the grounding switch is a closed state; when a certain phase is required to be disconnected and grounded, a certain grounding switch is directly disconnected for detection.
Further, the grounding switch 213 is a grounding switch.
In conclusion, according to the novel rural power grid low-voltage distribution box disclosed by the invention, the grounding disconnecting link is arranged in the outgoing line bin, the outgoing line side pole tower is not required to be installed for working and grounding, so that the potential safety hazard of ascending operation is avoided, and in addition, when internal overhaul is carried out, the incoming line door and the outgoing line door can be linked, and the electric shock risk is avoided.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely illustrative of the embodiments of this application and it will be appreciated by those skilled in the art that variations and modifications may be made without departing from the principles of the application, and it is intended to cover all modifications and variations as fall within the scope of the application.
Claims (2)
1. An rural power grids low voltage distribution box, its characterized in that: comprises a stainless steel box body; the inner side of the stainless steel box body forms an incoming line bin, an outgoing line bin and an isolation bin through a partition plate with a T-shaped structure; the front side of the wire inlet bin is hinged with a wire inlet door; the front side of the wire outlet bin is hinged with a wire outlet door; the bottoms of the outer sides of the wire inlet bin and the wire outlet bin are respectively provided with a wire locking nut; the bottom of the inner side of the wire inlet bin is opposite to the wire locking nut and is fixed with a three-phase wire inlet post; the bottom of the inner side of the wire outlet bin is opposite to the wire locking nut and is fixed with a three-phase wire outlet post; a first electric guide rail and a second electric guide rail are fixed on the inner side of the wire inlet bin; the first electric guide rail is provided with a first fuse element which is electrically connected with the three-phase wire inlet column; the second electric guide rail is provided with a linkage manual integrated switch which is electrically connected with the output end of the first fuse element; the inner side of the isolation bin is provided with a copper bar which is electrically connected with the linkage manual integrated switch; a third electric guide rail, a fourth electric guide rail and a fifth electric guide rail are arranged on the inner side of the outlet bin; a circuit breaker electrically connected with the copper bar is arranged on the third electric guide rail; the circuit breaker output end is electrically connected to a second fuse element mounted on the fourth electrical rail; the output end of the second fuse element is connected to the three-phase wire outlet column; the side of the output end of the second fuse element is connected with a linkage manual grounding switch; the output end of the linkage manual grounding switch is electrically connected to the ground end, and the linkage manual integrated switch comprises a first box body; the first electric control switch is arranged at the inner side of the first box body and is electrically connected with the first fuse element and the copper bar; the two ends of the first electric control switch are connected with a manual knife switch in parallel; the electric control end of the first electric control switch is connected with a first travel switch arranged between the wire inlet bin and the wire inlet door through a control module, and the linkage manual grounding switch comprises a second box body; a second electric control switch is arranged at the inner side of the second box body; one end of the second electric control switch is electrically connected with the second fuse element, and the other end of the second electric control switch is electrically connected to the ground end through the ground switch; and the electric control end of the second electric control switch is connected with a second travel switch arranged between the outlet bin and the outlet door through a control module.
2. The rural power grid low voltage electrical box of claim 1 wherein: the grounding switch is a grounding disconnecting link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711205306.0A CN107706774B (en) | 2017-11-27 | 2017-11-27 | Novel rural power grids low voltage distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711205306.0A CN107706774B (en) | 2017-11-27 | 2017-11-27 | Novel rural power grids low voltage distribution box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107706774A CN107706774A (en) | 2018-02-16 |
| CN107706774B true CN107706774B (en) | 2024-04-19 |
Family
ID=61185970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711205306.0A Active CN107706774B (en) | 2017-11-27 | 2017-11-27 | Novel rural power grids low voltage distribution box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107706774B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201821024U (en) * | 2010-09-17 | 2011-05-04 | 安徽西高电气设备有限公司 | Pole-mounted power distribution box in rural power network |
| CN205070270U (en) * | 2015-10-18 | 2016-03-02 | 中铁电气工业有限公司保定铁道变压器分公司 | Two kinds of grade voltage prepackage type transformer substations |
| CN205509253U (en) * | 2016-03-25 | 2016-08-24 | 贵州电网有限责任公司电力科学研究院 | Novel block terminal is synthesized to low pressure |
| CN105932568A (en) * | 2016-06-06 | 2016-09-07 | 南京亚力电气有限公司 | Low-voltage integrated distribution box |
| CN207409876U (en) * | 2017-11-27 | 2018-05-25 | 国网江苏省电力公司南通供电公司 | New rural power grids low-tension distribution box |
-
2017
- 2017-11-27 CN CN201711205306.0A patent/CN107706774B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201821024U (en) * | 2010-09-17 | 2011-05-04 | 安徽西高电气设备有限公司 | Pole-mounted power distribution box in rural power network |
| CN205070270U (en) * | 2015-10-18 | 2016-03-02 | 中铁电气工业有限公司保定铁道变压器分公司 | Two kinds of grade voltage prepackage type transformer substations |
| CN205509253U (en) * | 2016-03-25 | 2016-08-24 | 贵州电网有限责任公司电力科学研究院 | Novel block terminal is synthesized to low pressure |
| CN105932568A (en) * | 2016-06-06 | 2016-09-07 | 南京亚力电气有限公司 | Low-voltage integrated distribution box |
| CN207409876U (en) * | 2017-11-27 | 2018-05-25 | 国网江苏省电力公司南通供电公司 | New rural power grids low-tension distribution box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107706774A (en) | 2018-02-16 |
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