CN105374639B - Plug-in table preceding switch device - Google Patents
Plug-in table preceding switch device Download PDFInfo
- Publication number
- CN105374639B CN105374639B CN201510854917.2A CN201510854917A CN105374639B CN 105374639 B CN105374639 B CN 105374639B CN 201510854917 A CN201510854917 A CN 201510854917A CN 105374639 B CN105374639 B CN 105374639B
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- Prior art keywords
- breaker
- phase
- socket
- plug
- phase outlet
- 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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- 238000009413 insulation Methods 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000005452 bending Methods 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 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
- 230000004888 barrier function Effects 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims 1
- 230000032683 aging Effects 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
Landscapes
- Breakers (AREA)
Abstract
Plug-in table preceding switch device of the present invention, base including breaker and insulation, the breaker has three-phase input terminal and three-phase outlet terminal, the base is provided with six sockets, the three-phase input terminal and three-phase outlet terminal of the breaker are plugged on six sockets respectively, realize that the installation of breaker is fixed with this, three-phase inlet wire and three-phase outlet are connected on six sockets and correspond conducting by the three-phase input terminal and three-phase outlet terminal of six sockets and breaker.The present invention is when needing to overhaul or changing plug-in table preceding switch device itself, operation is very easy, flexibility and reliability, it is not necessary to stop upper level power supply, while with using breaker control electric current break-make of the invention, it is more safe and reliable, after device is installed, it is not necessary to remove three-phase inlet wire and three-phase outlet again, so as to avoid junction aging, corrosion, potential safety hazard is greatly reduced, job security is improved.
Description
Technical field
The present invention relates to a kind of contactor, a kind of plug-in table preceding switch device is related in particular to.
Background technology
Low-pressure meter preceding switch is one of important switchgear in power system, and electric power personnel are when overhauling ammeter by low
Pressure table preceding switch can easily deenergization be without hot line job, and safe coefficient is high, is easy to safety inspection, also allows for searching
Failure.Just because of the importance of low-pressure meter preceding switch, the low-pressure meter preceding switch safety and reliability of itself is by the wide of people
General concern.
At present, power system is usually from plug-in strip and, as low-pressure meter preceding switch, during installation, passed in and out three-phase by bolt
Line is connected in the turnover line terminals of plug-in strip.But the security of plug-in strip in itself is relatively low, and when overhauling or changing plug-in strip,
For security standpoint, it is necessary to stop upper level power supply, then could pine move back bolt and disassemble plug-in strip, it is to be checked fix or fetch it is new
After plug-in strip, then by bolt three-phase inlet-outlet line is connected in the turnover line terminals of plug-in strip.In addition, because repeat dismounting, operation when
Between, the influence of the factor such as environment, bolt and three-phase inlet-outlet line, the easy aging in coupling part of plug-in strip terminal, corrosion is serious, causes very
Difficult rapidly pine moves back bolt, separation three-phase inlet-outlet line and plug-in strip terminal, so as to add maintenance difficulty, further extends power failure
Time, and add potential safety hazard.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of simple in construction, easy to operate, safe and reliable, can effectively subtract
Few interruption maintenance time, the plug-in table preceding switch device for reducing power failure range.
In order to solve the above-mentioned technical problem, the present invention is adopted the following technical scheme that：Plug-in table preceding switch device, including it is disconnected
Road device and the base of insulation, the breaker have three-phase input terminal and three-phase outlet terminal, and the base is provided with six
Socket, the three-phase input terminal and three-phase outlet terminal of the breaker are plugged on six sockets respectively, and open circuit is realized with this
The installation of device is fixed, three-phase inlet wire and three-phase outlet be connected on six sockets and pass through six sockets and breaker three
Phase input terminal and three-phase outlet terminal correspond conducting.
Further, the socket includes bottom plate and two double walls, and described two double walls are using elastic sheet metal bending
Into the epimere of two double walls is bent outwardly respectively, and to form flare openings, the hypomere of two double walls distinguishes outside bending 90
Degree, 90 degree of bending, then 90 degree of inside bending still further below, the lower surface of two double walls is separately fixed at the two sides of bottom plate, two
The stage casing of double wall forms clamping part.
Further, the three-phase input terminal and three-phase outlet terminal of the breaker are made of bar shaped copper sheet, copper
The thickness of piece is 3-4mm, and the spacing in the stage casing of two double walls of the socket is 0.8-1.5mm.
Further, the bottom plate of the socket is in long square bar, and one end of the bottom plate of the socket is fitted with base, and is led to
After the one end for the bottom plate for passing through base and socket from bottom to top bolt and be screwed in the bolt upper end the first nut it is real
Existing tightening, three-phase inlet wire or three-phase outlet are connected between one end of the bottom plate of socket and the first nut, the bottom plate of the socket
90 degree of the upward bending of the other end, then 90 degree of outside bending, with base formation interval, the lower end of two double walls of the socket
Face is separately fixed at the two sides of the other end of the bottom plate of socket.
Further, the stage casing outer surface of two double walls of the socket is respectively equipped with a mounting ear.
Further, between the adjacent input terminal in the three-phase input terminal of the breaker and three-phase outlet terminal
In adjacent outlet terminal between be respectively equipped with insulation flash barrier, the insulation flash barrier is fixed on-board the circuit breaker.
Further, the base is rectangle plate body structure, the three-phase input terminal of the breaker and three-phase outlet
Terminal is located at the opposite sides of breaker respectively, and width of six sockets along base uniformly lines up two rows, and two
Plug socket is located at the length direction both sides of base respectively.
Further, one end being connected with breaker of the three-phase input terminal of the breaker and three-phase outlet terminal point
Not She You metal engagement plate, be respectively equipped with screw rod at the position of corresponding each metal engagement plate on the valve block of the breaker, it is described
Metal engagement plate is through on corresponding screw rod, and passes through the second nut check.
Compared to prior art, beneficial effects of the present invention are：
1. plug-in table preceding switch device of the present invention is arranged in electricity box, in the operation such as maintenance ammeter usually, as long as logical
Cross the switch of breaker, it is possible to quickly electric current of make-and-break, be easy to safety inspection；When needs are overhauled or are changed before plug-in table
During switching device itself, it is not necessary to remove any fastener, as long as switch after breaker and table is adjusted into open position, pass through
Insulating tool takes insulating glove and extracts breaker upwards, because pull action is very quick, therefore need not stop higher level
Power supply, when reinstalling breaker, by voltage breaker, three-phase input terminal and three-phase outlet terminal can be quickly inserted six
In individual socket, therefore also without upper level power supply is stopped, to sum up the present invention can reduce the interruption maintenance time, power failure range is subtracted significantly
It is small, meanwhile, very easy, flexibility and reliability is operated, the labor intensity of worker is reduced.
2. with using breaker control electric current break-make of the invention, breaker is more safe and reliable, once and device installation
After good, it is not necessary to remove three-phase inlet wire and three-phase outlet again, so as to avoid junction aging, corrosion, safety is greatly reduced hidden
Suffer from, improve job security.
3. the structure of three-phase input terminal of the present invention, three-phase outlet terminal and socket is simpler, contact performance is good, no
Only there is reliable clamping force, and be less prone to stuck state, installation operation is more beneficial for.
4. the present invention is simple in construction, compact, easy processing manufacture, cost is low, practical, will not change electricity box overall dimensions
Specification, with very big market prospect.
Brief description of the drawings
Fig. 1 is perspective view of an embodiment of the present invention.
Fig. 2 is the front view of one embodiment of the invention.
Fig. 3 is Fig. 2 upward view.
Fig. 4 is Fig. 2 right view.
In accompanying drawing the mark of each part for：1 base, 2 breakers, 21 three-phase input terminals, 22 three-phase outlet terminals, 23 gold medals
Belong to engagement plate, 24 insulation flash barriers, 25 screw rods, 26 second nuts, 3 sockets, 31 bottom plates, 32 two double walls, 33 mounting ears, 4 three
Phase inlet wire, 5 three-phase outlets, 6 bolts, 7 first nuts.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4.
The plug-in table preceding switch device of one embodiment of the invention, including breaker 2 and the base 1 of insulation, the open circuit
Device 2 has three-phase input terminal 21 and three-phase outlet terminal 22, and the base 1 is provided with six sockets 3, the breaker 2
Three-phase input terminal 21 and three-phase outlet terminal 22 are plugged on six sockets 3 respectively, realize that the installation of breaker 2 is consolidated with this
Fixed, three-phase inlet wire 4 and three-phase outlet 5 are connected on six sockets 3 and entered by the three-phase of six sockets 3 and breaker 2
Line terminals 21 and three-phase outlet terminal 22 correspond conducting.
Breaker 2 can select common moulded case circuit breaker, and its parameter is rated operational voltage AC400V, specified electricity
Stream 160A, nominal insulation voltage AC800V, rated frequency be 50Hz, instantaneous trip setting current 10In, adjusts temperature takes the photograph for+40
Family name's degree.
In the present embodiment, the socket 3 includes bottom plate 31 and two double walls 32, and described two double walls 32 use elastic metallic
Piece bending is formed, such as elastic copper sheet, and the epimere of two double walls 32 is bent outwardly respectively, to form flare openings, in grafting three
When phase input terminal 21 or three-phase outlet terminal 22, flare openings can play guiding function, be easy to grafting to operate, two double walls
32 hypomere distinguishes outside 90 degree of bending, still further below 90 degree of bending, then 90 degree of inside bending, the lower surface difference of two double walls 32
The two sides of bottom plate 31 are fixed on, the stage casing of two double walls 32 forms clamping part.Bending processing is done in the lower end of two double walls 32, no
Only it is easy to the fixation between bottom plate 31 and double wall 32, and improves the clamping force in the stage casing of two double walls 32.Said structure
Socket 3 has extraordinary clamping force, can firmly clamp three-phase input terminal 21 and three-phase outlet terminal 22.
In specific implementation, the three-phase input terminal 21 and three-phase outlet terminal 22 of the breaker 2 use bar shaped copper sheet
It is made, the thickness of copper sheet is 3-4mm, and the spacing in the stage casing of two double walls 32 of the socket 3 is 0.8-1.5mm.Inventor
By many experiments, above-mentioned size is that ensure that firm plug, is not in dry and astringent again.When rated current is 160A,
The sectional area of copper sheet is more than 70mm2.Copper sheet is not required for linear pattern, according to specific space requirement, can do bending processing, referring to
Fig. 2.
In specific implementation, the three-phase input terminal 21 of the breaker 2 and being connected with breaker 2 for three-phase outlet terminal 22
One end be respectively equipped with metal engagement plate 23, the valve block of the breaker 2 at the position of corresponding each metal engagement plate 23 distinguish
Provided with screw rod 25, the metal engagement plate 23 is through on corresponding screw rod 25, and is locked by the second nut 26.This connection side
Formula is not only firm, firm, and easy disassembly is changed.
In specific implementation, the stage casing outer surface of two double walls 32 of the socket 3 is respectively equipped with a mounting ear 33.Install
Ear 33 is used to install fixed and clamping action.
In the present embodiment, the bottom plate 31 of the socket 3 is in long square bar, one end and the base 1 of the bottom plate 31 of the socket 3
Laminating, and by passing through the bolt 6 of one end of the bottom plate 31 of base 1 and socket 3 from bottom to top and being screwed on the bolt 6
First nut 7 at end realizes tightening, and three-phase inlet wire 4 or three-phase outlet 5 are connected to one end and the first nut of the bottom plate 31 of socket 3
Between 7, specifically, a metallic gasket can be connected in three-phase inlet wire 4 and the end of three-phase outlet 5, pad is then enclosed on bolt 6
On, so only pass through a screw bolt and nut, it is possible to complete between base 1, socket 3 and three-phase inlet wire 4 or three-phase outlet 5
Install and fix, enormously simplify structure, it is not only easy for installation, and stable connection, the other end of the bottom plate 31 of the socket 3 to
Upper 90 degree of bending, then 90 degree of outside bending, to form interval, the lower surface difference of two double walls 32 of the socket 3 with base 1
It is fixed on the two sides of the other end of the bottom plate 31 of socket 3.
In the present embodiment, the base 1 is rectangle plate body structure, when it is implemented, base 1 uses dielectric resin material
It is made, thickness 2cm, long 26cm, width 16cm, three-phase input terminal 21 and three-phase outlet terminal 22 the difference position of the breaker 2
In the opposite sides of breaker 2, width of six sockets 3 along base 1 uniformly lines up two rows, and two plug sockets 3
It is located at the length direction both sides of base 1 respectively.So design, it is ensured that the uniform force of breaker 2, install stable, be difficult hair
Life comes off, and easily distinguishes each electric current turnover part, it is to avoid connection error, leads to security incident.And the bottom plate 31 of socket 3
One end of fixation of being fitted with base 1 be respectively positioned on outside, it is so convenient to connect three-phase inlet wire 4 and three-phase outlet 5.
In specific implementation, between the adjacent input terminal in the three-phase input terminal 21 of the breaker 2 and three-phase goes out
Insulation flash barrier 24 is respectively equipped between adjacent outlet terminal in line terminals 22, the insulation flash barrier 24 is fixed on breaker
On 2.Insulate flash barrier 24 formation insulation masking, enough flashover distances are left in electric arc emission direction, often at a distance of from not less than
25mm, prevents arc short circuit.
The plug-in table preceding switch device of one embodiment of the invention is arranged in electricity box, then three-phase inlet wire and three-phase outlet
It is connected on six sockets 3, in the operation such as maintenance ammeter usually, as long as passing through the switch of breaker 2, it is possible to quick
Ground electric current of make-and-break, is easy to safety inspection；When needing to overhaul or changing plug-in table preceding switch device itself, due to breaker
2 be to realize fixation to the clamping action of three-phase input terminal 21 and three-phase outlet terminal 22 by six sockets 3, therefore is not required to
Any fastener is removed, as long as switch is adjusted to open position after breaker 2 and table, by insulating tool or insulation hand is taken
Set pulls out breaker 2 upwards, and three-phase input terminal 21 and three-phase outlet terminal 22 can be separated rapidly with socket 3, due to pulling out
Go out action very quick, therefore upper level power supply need not be stopped, when reinstalling breaker 2, it is only necessary to by the three-phase of breaker 2
Input terminal 21 and three-phase outlet terminal 22 are directed at six sockets 3, then by voltage breaker 2, three-phase input terminal 21 and three-phase
Outlet terminal 22 can be quickly inserted in six sockets 3, therefore also without stopping upper level power supply.
It should be understood that example as described herein and embodiment are only for explanation, those skilled in the art can make according to it
Various modifications or change, in the case where not departing from spirit of the invention, belong to protection scope of the present invention.
Claims (7)
1. plug-in table preceding switch device, it is characterised in that：Base (1) including breaker (2) and insulation, the breaker
(2) there is three-phase input terminal (21) and three-phase outlet terminal (22), the base (1) is described disconnected provided with six sockets (3)
The three-phase input terminal (21) and three-phase outlet terminal (22) of road device (2) are plugged on six sockets (3) respectively, are realized with this disconnected
The installation of road device (2) is fixed, and three-phase inlet wire (4) and three-phase outlet (5) are connected on six sockets (3) and inserted by six
The three-phase input terminal (21) and three-phase outlet terminal (22) of seat (3) and breaker (2), which are corresponded, to be turned on；
The socket (3) includes bottom plate (31) and two double walls (32), one end of the bottom plate (31) of the socket (3) and base
(1) fit, 90 degree of the upward bending of the other end of the bottom plate (31) of the socket (3), then 90 degree of outside bending, with base (1)
Interval is formed, the lower surface of two double walls (32) of the socket (3) is separately fixed at the other end of the bottom plate (31) of socket (3)
Two sides；
Between adjacent input terminal in the three-phase input terminal (21) of the breaker (2) and in three-phase outlet terminal (22)
Adjacent outlet terminal between be respectively equipped with insulation flash barrier (24), it is described insulation flash barrier (24) be fixed on breaker (2).
2. plug-in table preceding switch device as claimed in claim 1, it is characterised in that：Described two double walls (32) are using elasticity
Sheet metal bending is formed, and the epimere of two double walls (32) is bent outwardly respectively, to form flare openings, two double walls (32)
Hypomere distinguishes outside 90 degree of bending, still further below 90 degree of bending, then 90 degree of inside bending, and the lower surface of two double walls (32) is solid respectively
The two sides of bottom plate (31) are scheduled on, the stage casing of two double walls (32) forms clamping part.
3. plug-in table preceding switch device as claimed in claim 2, it is characterised in that：The three-phase inlet wire of the breaker (2)
Terminal (21) and three-phase outlet terminal (22) are made of bar shaped copper sheet, and the thickness of copper sheet is 3-4mm, the socket (3)
The spacing in the stage casing of two double walls (32) is 0.8-1.5mm.
4. plug-in table preceding switch device as claimed in claim 1 or 2, it is characterised in that：The socket (3) by from it is lower to
On through base (1) and one end of the bottom plate (31) of socket (3) bolt (6) and be screwed in the of the bolt (6) upper end
One nut (7) realizes tightening, and three-phase inlet wire (4) or three-phase outlet (5) are connected to one end and first of the bottom plate (31) of socket (3)
Between nut (7).
5. plug-in table preceding switch device as claimed in claim 1 or 2, it is characterised in that：Two double walls of the socket (3)
(32) stage casing outer surface is respectively equipped with a mounting ear (33).
6. plug-in table preceding switch device as claimed in claim 1 or 2, it is characterised in that：The base (1) is rectangular slab
Body structure, the three-phase input terminal (21) and three-phase outlet terminal (22) of the breaker (2) are located at the phase of breaker (2) respectively
To both sides, width of six sockets (3) along base (1) uniformly lines up two rows, and two plug sockets (3) are located at respectively
The length direction both sides of base (1).
7. plug-in table preceding switch device as claimed in claim 1 or 2, it is characterised in that：The three-phase of the breaker (2) enters
One end being connected with breaker (2) of line terminals (21) and three-phase outlet terminal (22) is respectively equipped with metal engagement plate (23), institute
State and be respectively equipped with screw rod (25) on the valve block of breaker (2) at the position of corresponding each metal engagement plate (23), the metal linking
Plate (23) is through on corresponding screw rod (25), and is locked by the second nut (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510854917.2A CN105374639B (en) | 2015-11-30 | 2015-11-30 | Plug-in table preceding switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510854917.2A CN105374639B (en) | 2015-11-30 | 2015-11-30 | Plug-in table preceding switch device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105374639A CN105374639A (en) | 2016-03-02 |
| CN105374639B true CN105374639B (en) | 2017-10-13 |
Family
ID=55376733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510854917.2A Active CN105374639B (en) | 2015-11-30 | 2015-11-30 | Plug-in table preceding switch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105374639B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107317236A (en) * | 2017-08-25 | 2017-11-03 | 国家电网公司 | Plug-in dual power supply low pressure feeder pillar |
| CN107831398A (en) * | 2017-12-14 | 2018-03-23 | 国网山东省电力公司莱芜供电公司 | A kind of power customer has a power failure repairing system of taking the initiative in offering a hand |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2487101Y (en) * | 2001-05-22 | 2002-04-17 | 谢华跃 | Plug type leakage switch and leakage detector |
| JP4807847B2 (en) * | 2006-09-20 | 2011-11-02 | 日東工業株式会社 | Plug-in distribution board |
| CN100593832C (en) * | 2007-04-09 | 2010-03-10 | 浙江正泰电器股份有限公司 | Plug-in base of plastic shell type electric appliance having multiple wiring functions |
| JP4884327B2 (en) * | 2007-07-20 | 2012-02-29 | 三菱電機株式会社 | Switch terminal device |
| CN203950757U (en) * | 2014-07-10 | 2014-11-19 | 德力西电气有限公司 | A kind of termination, circuit breaker and breaker assembly of circuit breaker |
| CN204155816U (en) * | 2014-11-19 | 2015-02-11 | 德力西集团有限公司 | Safety-type knife switch |
| CN205104454U (en) * | 2015-11-30 | 2016-03-23 | 国家电网公司 | Switching device before plug -in table |
-
2015
- 2015-11-30 CN CN201510854917.2A patent/CN105374639B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105374639A (en) | 2016-03-02 |
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