CN107317236A - Plug-in dual power supply low pressure feeder pillar - Google Patents
Plug-in dual power supply low pressure feeder pillar Download PDFInfo
- Publication number
- CN107317236A CN107317236A CN201710742991.4A CN201710742991A CN107317236A CN 107317236 A CN107317236 A CN 107317236A CN 201710742991 A CN201710742991 A CN 201710742991A CN 107317236 A CN107317236 A CN 107317236A
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- China
- Prior art keywords
- low
- plug
- circuit breaker
- voltage circuit
- power supply
- 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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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
- H02B1/48—Mounting of devices therein
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- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Breakers (AREA)
Abstract
The invention discloses a kind of plug-in dual power supply low pressure feeder pillar, including casing, the casing is provided with front door and back door, mainly include power supply display module, plug-in dual-power transfer switch, low-voltage circuit breaker, external power source insulation board in casing, power supply display module is connected with plug-in dual-power transfer switch, and plug-in dual-power transfer switch is fixed on external power source insulation board and is connected by copper bar with low-voltage circuit breaker；Connected between plug-in dual-power transfer switch and external power source insulation board, between plug-in dual-power transfer switch and copper bar, between low-voltage circuit breaker and copper bar using plug-in.The present invention is simple to operate, security performance is high, when conventional power failure, stand-by power supply can be immediately switched to, the moving contact of dual-power transfer switch and static contact are designed as into plug-in to be connected, installs, using more flexibly, conveniently, fast assembling-disassembling power supply can be accomplished, it is time saving and energy saving, it is that power supply repairing work brings great convenience.
Description
Technical field
The present invention relates to a kind of low pressure feeder pillar, more particularly to a kind of plug-in dual power supply low pressure feeder pillar.
Background technology
Existing market low-voltage switch box be all to use traditional manual manipulation mode, and flow through the electricity of low tension switch
Stream is very big, and potential safety hazard can be had by changing or operating under the bad weathers such as sleet, once leak electricity, it will to operating personnel
Life security cause grave danger.
Low-voltage switch box is substantially all to be run by the way of one group of multigroup low pressure switch-dividing of low pressure master switch band, if one
Group low pressure switch-dividing breaks down to be overhauled, it is necessary to pull open low pressure master switch, if low pressure master switch breaks down, it is necessary to stop
Upper level distribution is overhauled.So, the power off time of user is not only extended, power failure range is also expanded.And low pressure
The failure of switch-box, which is all due to that electric current is excessive mostly, to be caused, and the screw and nut of connection pile crown and switch substantially all can be because of connection
Do not cause electric discharge closely, cause temperature too high and be bonded together it is not easy to remove, to repairing operation bring very big difficulty.
In addition, existing low tension switch box body is more heavy, due to casing weight and without the position that hand can be facilitated to grab,
So that operating personnel's constructional difficulties, add workload, and, it is necessary to which operating personnel lifts low-voltage switch box in moving process
Bottom half is moved, once away from job location farther out, operating personnel needs to spend substantial amounts of strength and time, wastes time and energy.
Therefore a kind of new low pressure feeder pillar of offer is needed badly to solve the above problems.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of convenient maintenance, time saving and energy saving plug-in dual power supply low pressure
Feeder pillar.
In order to solve the above technical problems, one aspect of the present invention is：There is provided a kind of plug-in dual power supply low
Feeder pillar, including casing are pressed, the casing, which is provided with front door and back door, casing, mainly includes power supply display module, plug-in
Dual-power transfer switch, low-voltage circuit breaker, external power source insulation board, power supply display module and plug-in dual-power transfer switch phase
Even, plug-in dual-power transfer switch is fixed on external power source insulation board and is connected by copper bar with low-voltage circuit breaker；
The low-voltage circuit breaker includes anterior low-voltage circuit breaker, rear portion low-voltage circuit breaker, anterior low-voltage circuit breaker and rear portion
Isolated insulation plate is provided between low-voltage circuit breaker；
The anterior low-voltage circuit breaker include the first low-voltage circuit breaker, the second low-voltage circuit breaker, the first low-voltage circuit breaker with
Second low-voltage circuit breaker is connected by copper bar correspondence；
The rear portion low-voltage circuit breaker include the 3rd low-voltage circuit breaker, the 4th low-voltage circuit breaker, the 3rd low-voltage circuit breaker with
4th low-voltage circuit breaker is connected by copper bar correspondence, the first low-voltage circuit breaker and the 3rd low-voltage circuit breaker by copper bar it is in parallel after and
Plug-in dual-power transfer switch is connected, the second low-voltage circuit breaker and the 4th low-voltage circuit breaker by copper bar it is in parallel after with plug-in
Dual-power transfer switch is connected；
Between plug-in dual-power transfer switch and external power source insulation board, plug-in dual-power transfer switch and copper bar it
Between, connected using plug-in between low-voltage circuit breaker and copper bar.
In a preferred embodiment of the present invention, the plug-in dual-power transfer switch mainly includes the first housing, one
To stationary contact head unit, a pair of moving-contact units；
Each stationary contact head unit mainly includes the first top static contact group, the first bottom static contact group being arranged symmetrically, the
One top static contact group is constituted with the first bottom static contact group by several spaced apart static contacts；First top is quiet
Sets of contacts, the static contact of the first bottom static contact group are fixedly connected with outside mains isolation plate；
Each moving-contact unit mainly includes the second top moving contact group, the second bottom moving contact group being arranged symmetrically, the
Two top moving contact groups are constituted with the second bottom moving contact group by several moving contacts；
The bottom of the moving contact is fixedly connected with the grafting point on the first housing, the top of the moving contact and static contact
Plug-in is connected.
In a preferred embodiment of the present invention, the low-voltage circuit breaker mainly includes the second housing, the second top stationary contact
Head group, the second bottom static contact group, the second top moving contact group, the second bottom moving contact group；
The second top static contact group is constituted with the second bottom static contact group by several spaced apart static contacts,
The static contact is each attached on the isolated insulation plate；
The second top moving contact group is constituted with the second bottom moving contact group by several moving contacts, the moving contact
Bottom be fixedly connected with the grafting point on the second housing, top and stationary contact plug-in are connected.
Further, the static contact includes connecting plate, intermediate plate, jump ring, and the top of connecting plate is provided with bolt hole, and bolt is worn
Cross bolt hole to be connected with power supply or copper bar by nut, intermediate plate is vertically set on the bottom of connecting plate, jump ring is passed through on intermediate plate
Through hole offsets with intermediate plate outer surface.
Further, in plug-in dual-power transfer switch, the connection of the first top static contact group static contact
The top of plate is connected with external power source, bottom is fixed on external power source insulation board, the first bottom static contact group static contact
Connecting plate top be fixedly connected with copper bar, bottom is fixed on external power source insulation board；
In low-voltage circuit breaker, the bottom of the connecting plate of the static contact is each attached on isolated insulation plate, top and copper
Row is fixedly connected.
In a preferred embodiment of the present invention, the power supply display module includes three-phase electricity flow table, voltmeter, conventional electricity
Source indicator lamp, stand-by power supply indicator lamp, three-phase voltage change-over switch.The three-phase electricity flow table includes A phase currents table, B phase currents
Table, C phase current tables, three-phase voltage change-over switch are used to change three-phase voltage, and are respectively displayed in corresponding three-phase electricity flow table.
In a preferred embodiment of the present invention, the casing front door is provided with the see-through window of power supply display module, convenient
Door lock is equipped with inspection box in-vivo device or instrument and meter, front door and back door, handle, side are provided with the two sides top of casing
Just operating personnel's mobile box, the bottom of casing is provided with universal wheel, convenient transport.
The beneficial effects of the invention are as follows：
(1) present invention is by setting plug-in dual-power transfer switch and low-voltage circuit breaker, it is convenient to carry out electronic behaviour
Make, devoid of risk simple to operate, security performance is high, when conventional power failure, stand-by power supply distribution transforming can be immediately switched to, from
And shorten the telegram in reply time, improve power supply reliability；
(2) moving contact of dual-power transfer switch and low-voltage circuit breaker and static contact are designed as plug-in company by the present invention
Connect, install, using more flexibly, conveniently, compared with prior art, when it breaks down, without lower bolt, tear power line open,
Directly moving contact is separated with static contact, fast assembling-disassembling power supply can be accomplished, it is time saving and energy saving, it is that power supply repairing work is brought
Great convenience.
Brief description of the drawings
Fig. 1 is the front view of the preferred embodiment of plug-in dual power supply low pressure feeder pillar one of the present invention；
Fig. 2 is Fig. 1 rearview；
Fig. 3 is the internal structure schematic diagram that the plug-in dual power supply low pressure feeder pillar opens front door；
Fig. 4 is the internal structure schematic diagram that the plug-in dual power supply low pressure feeder pillar opens back door；
Fig. 5 is the structural representation of the universal wheel；
Fig. 6 is the structural representation of the preferred embodiment of plug-in dual-power transfer switch one；
Fig. 7 is the dimensional structure diagram of the static contact；
The mark of each part is as follows in accompanying drawing：1st, casing, 11, front door, 111, see-through window, 112, label, 12, back door,
13rd, door lock, 14, handle, 15, universal wheel, 151, buckle, 152, plectrum, 2, power supply display module, 21, three-phase electricity flow table, 22,
Voltmeter, 23, conventional power supply indicator, 24, stand-by power supply indicator lamp, 25, three-phase voltage change-over switch, 3, plug-in dual power supply
Change-over switch, the 30, first housing, 31, static contact, 311, connecting plate, 312, bolt hole, 313, intermediate plate, 314, jump ring, 32, dynamic
Contact, 33, bolt, 34, nut, 35, power supply indicator, 36, switch stand-by power supply indicator lamp, 37, the conventional power supply instruction of switch
Lamp, 38, hand switch button, 39, motor switch button, the 4, first low-voltage circuit breaker, the 41, second housing, the 42, second top is quiet
Sets of contacts, the 43, second bottom static contact group, the 44, second top moving contact group, the 45, second bottom moving contact group, the 5, second low pressure
Breaker, the 6, the 3rd low-voltage circuit breaker, the 7, the 4th low-voltage circuit breaker, 8, external power source insulation board, 9, isolated insulation plate, 10, copper
Row, 101, current transformer.
Embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
Fig. 1 to Fig. 4 is referred to, the embodiment of the present invention includes：
A kind of plug-in dual power supply low pressure feeder pillar, including casing 1, the casing 1 are provided with front door 11 and back door 12, case
Mainly include power supply display module 2, plug-in dual-power transfer switch 3, low-voltage circuit breaker, external power source insulation board 8 in body 1,
Power supply display module 2 is connected with plug-in dual-power transfer switch 3, and plug-in dual-power transfer switch 3 is fixed on external power source
It is connected on insulation board 8 and by copper bar 10 with low-voltage circuit breaker.
With reference to Fig. 1, the top of the casing 1 is provided with case eaves, and front door 11 is provided with the see-through window 111 of power supply display module 2,
Equipment or instrument and meter and power supply service condition in convenient observation casing 1.The top of see-through window 111 is provided with label 112,
Bottom is provided with door lock 13, and handle 14, convenient working personnel's mobile box are provided with the two sides top of casing 1.With reference to Fig. 2, after
Door lock 13 also is provided with door 12.The bottom of casing 1 is provided with universal wheel 15, convenient transport.With reference to Fig. 5, the universal wheel 15 is set
There is buckle 151, buckle 151 is provided with plectrum 152, controls buckle 151 by adjusting the position of plectrum 152, ten thousand are controlled with this
To the fixation or movement of wheel 15.
The casing 1 uses high-strength stainless steel material, antiseptic and rustproof to be unlikely to deform.With reference to Fig. 3 and Fig. 4, the power supply
Display module 2 is arranged on front upper in casing 1, including three-phase electricity flow table 21, voltmeter 22, conventional power supply indicator 23, standby
With power supply indicator 24, three-phase voltage change-over switch 25.The three-phase electricity flow table 21 includes A phase currents table, B phase currents table, C phases
Ammeter, three-phase voltage change-over switch 25 is used to change three-phase voltage, and is respectively displayed in corresponding three-phase electricity flow table 21.Just
In the case of often using conventional power supply, conventional power supply indicator 23 is bright, if breaking down, when enabling stand-by power supply, stand-by power supply
Indicator lamp 24 is bright.
During using the low pressure feeder pillar, operating personnel just can firmly move low-voltage switch box using handle 14, transport
During, universal wheel plectrum 152 is adjusted to position B, that is, opens buckle 151, universal wheel 15 can arbitrarily change direction, control cabinet
The direction of body 1, only needs a people to promote the movement that casing 1 can be achieved, greatlys save manpower, improve operating efficiency, reach
Behind job location, then universal wheel plectrum 152 adjusted to position A, close Wanxiang Road buckle 151, universal wheel 15 is locked so that
Low-voltage switch box is fixed, it is ensured that the safety of casing 1.
With reference to Fig. 6, the plug-in dual-power transfer switch 3 is arranged on rear upper in casing 1, mainly including first shell
Body 30, the stationary contact head unit being symmetrically arranged for a pair, the moving-contact unit being symmetrically arranged for a pair.Stationary contact positioned at the left side
Head unit is connected with conventional power supply, and the stationary contact head unit positioned at the right is connected with stand-by power supply, so that the power supply is shown
Module 2 is connected with conventional power supply, stand-by power supply.
Each stationary contact head unit mainly includes top static contact group, the bottom static contact group, top static contact being arranged symmetrically
Group is constituted with bottom static contact group by four spaced apart static contacts 31, has certain safety between four static contacts 31
Distance, the static contact 31 of the first top static contact group, the static contact 31 of the first bottom static contact group are fixedly connected with outside
On portion's mains isolation plate 8.The static contact 31 of top static contact group is consolidated with the A phase, B phase, C phase and zero line of three-phase alternating-current supply respectively
Fixed connection, the static contact 31 of bottom static contact group is connected with three-phase, zero line copper bar 10 respectively.
Each moving-contact unit mainly includes top moving contact group, the bottom moving contact group, top moving contact being arranged symmetrically
Group is constituted with bottom moving contact group by four moving contacts 32.The bottom of the moving contact 32 passes through the housing 30 of bolt 33 and first
On grafting point be fixedly connected, the top of the moving contact 32 is connected with the plug-in of static contact 31.
Power supply indicator 35, switch stand-by power supply indicator lamp 36, the conventional electricity of switch are additionally provided with first housing 30
Source indicator lamp 37, hand switch button 38, motor switch button 39.When in the intermediate plate 313 that moving contact 32 inserts static contact 31,
The plug-in dual-power transfer switch is powered, and power supply indicator 35 is bright, and in the case of normally using conventional power supply, switch is conventional
Power supply indicator 37 is bright, if breaking down, and when enabling stand-by power supply, switch stand-by power supply indicator lamp 36 is bright.When motor switch is pressed
Button 39 can not be in use, can enable hand switch button 38 to open the plug-in dual-power transfer switch.
The low-voltage circuit breaker includes anterior low-voltage circuit breaker, rear portion low-voltage circuit breaker, anterior low-voltage circuit breaker and rear portion
Isolated insulation plate 9 is provided between low-voltage circuit breaker.The anterior low-voltage circuit breaker is arranged on lower section anterior in casing, including
One low-voltage circuit breaker 4, the second low-voltage circuit breaker 5, the first low-voltage circuit breaker 4 are corresponding by copper bar 10 with the second low-voltage circuit breaker 5
Connection.The rear portion low-voltage circuit breaker is arranged on the lower section at rear portion in casing 1, including the 3rd low-voltage circuit breaker 6, the 4th low pressure are broken
Road device 7, the 3rd low-voltage circuit breaker 6 and the 4th low-voltage circuit breaker 7 are by the corresponding connection of copper bar 10, the first low-voltage circuit breaker 4 and the
Three low-voltage circuit breakers 6 after the parallel connection of copper bar 10 with plug-in dual-power transfer switch 3 by being connected, the second low-voltage circuit breaker 5 and
Four low-voltage circuit breakers 7 after the parallel connection of copper bar 10 with plug-in dual-power transfer switch 3 by being connected.
Specifically, the low-voltage circuit breaker is mainly quiet including the second housing 41, the second top static contact group 42, the second bottom
Sets of contacts 43, the second top moving contact group 44, the second bottom moving contact group 45.Under the second top static contact group 42 and second
Portion's static contact group 43 is constituted by three spaced apart static contacts 31, and the static contact 31 is each attached to the isolated insulation plate
On 9.The second top moving contact group 44 is constituted with the second bottom moving contact group 45 by three moving contacts 32, the moving contact
32 bottom is fixedly connected with the grafting point on the second housing 41, top and the plug-in of stationary contact 31 are connected.
It is preferred that, the low-voltage circuit breaker uses plastic shell low voltage breaker.
With reference to Fig. 7, the static contact 31 includes connecting plate 311, intermediate plate 313, jump ring 314, and the top of connecting plate 311 is provided with
Bolt hole 312, bolt 33 is connected through bolt hole 312 by nut 34 with power supply or copper bar 10, and the bottom of connecting plate 311 is fixed
On insulation board.Intermediate plate 313 is vertically set on the bottom of connecting plate 311, and jump ring 314 passes through the through hole and intermediate plate on intermediate plate 313
313 outer surfaces offset, and static contact 31 is contacted even closer with moving contact 32, prevent from loosening.
Further, in plug-in dual-power transfer switch 3, the connection of the first top static contact group static contact 31
The top of plate 311 is connected with conventional power supply or stand-by power supply, bottom is fixed on external power source insulation board 8, first bottom
The top of the connecting plate 311 of static contact group static contact 31 is fixedly connected with copper bar 10, bottom is fixed on external power source insulation board 8
On.In low-voltage circuit breaker, the bottom of the connecting plate 311 of the static contact 31 is each attached on isolated insulation plate 9, top and copper
Row 10 is fixedly connected.It is preferred that, the external power source insulation board 8, isolated insulation plate 9 use epoxy resins insulation plate.
Inside casing 1, the every phase copper connected between the plug-in dual-power transfer switch 3 and anterior low-voltage circuit breaker
Row 10 constitutes I shape, and current transformer 101 is additionally provided with the middle part of every mutually I-shaped copper bar 10.The open circuit of first low pressure
Between second top static contact group 42 of device 4 and the second top static contact group 42 of the 3rd low-voltage circuit breaker 6, the second low pressure open circuit
The every phase copper connected between second top static contact group 42 of device 5 and the second top static contact group 42 of the 4th low-voltage circuit breaker 7
Row 10 constitutes chevron shape.Second bottom static contact group 43 of the first low-voltage circuit breaker 4 and the second of the second low-voltage circuit breaker 5
Between bottom static contact group 43, the second of the second bottom static contact group 43 of the 3rd low-voltage circuit breaker 6 and the 4th low-voltage circuit breaker 7
Between bottom static contact group 43, directly connected per phase static contact 31 by a copper bar 10.
The present invention is by setting plug-in dual-power transfer switch and low-voltage circuit breaker, it is convenient to carry out electric operating,
Devoid of risk simple to operate, security performance is high, when conventional power failure, can be immediately switched to stand-by power supply distribution transforming, so that
Shorten the telegram in reply time, improve power supply reliability；Simultaneously by dual-power transfer switch and the moving contact and static contact of low-voltage circuit breaker
Plug-in connection is designed as, is installed, using more flexibly, conveniently, compared with prior art, when it breaks down, without under
Bolt, tear power line open, directly moving contact is separated with static contact, fast assembling-disassembling power supply can be accomplished, it is time saving and energy saving, it is electricity
Source repairing work brings great convenience.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (7)
1. a kind of plug-in dual power supply low pressure feeder pillar, including casing, it is characterised in that the casing is provided with front door with after
Mainly include power supply display module, plug-in dual-power transfer switch, low-voltage circuit breaker, external power source insulation board in door, casing,
Power supply display module is connected with plug-in dual-power transfer switch, and plug-in dual-power transfer switch is fixed on external power source insulation
It is connected on plate and by copper bar with low-voltage circuit breaker；
The low-voltage circuit breaker includes anterior low-voltage circuit breaker, rear portion low-voltage circuit breaker, anterior low-voltage circuit breaker and rear portion low pressure
Isolated insulation plate is provided between breaker；
The anterior low-voltage circuit breaker includes the first low-voltage circuit breaker, the second low-voltage circuit breaker, the first low-voltage circuit breaker and second
Low-voltage circuit breaker is connected by copper bar correspondence；
The rear portion low-voltage circuit breaker includes the 3rd low-voltage circuit breaker, the 4th low-voltage circuit breaker, the 3rd low-voltage circuit breaker and the 4th
Low-voltage circuit breaker is connected by copper bar correspondence, the first low-voltage circuit breaker and the 3rd low-voltage circuit breaker by copper bar it is in parallel after with plug
Formula dual-power transfer switch is connected, the second low-voltage circuit breaker and the 4th low-voltage circuit breaker by copper bar it is in parallel after it is electric with plug-in pair
Source changeover switch is connected；
Between plug-in dual-power transfer switch and external power source insulation board, between plug-in dual-power transfer switch and copper bar,
Connected between low-voltage circuit breaker and copper bar using plug-in.
2. plug-in dual power supply low pressure feeder pillar according to claim 1, it is characterised in that the plug-in dual power supply turns
Changing switch mainly includes the first housing, a pair of stationary contact head units, a pair of moving-contact units；
Each stationary contact head unit is mainly included on the first top static contact group, the first bottom static contact group being arranged symmetrically, first
Portion's static contact group is constituted with the first bottom static contact group by several spaced apart static contacts；First top static contact
Group, the static contact of the first bottom static contact group are fixedly connected with outside mains isolation plate；
Each moving-contact unit is mainly included on the second top moving contact group, the second bottom moving contact group being arranged symmetrically, second
Portion's moving contact group is constituted with the second bottom moving contact group by several moving contacts；
The bottom of the moving contact is fixedly connected with the grafting point on the first housing, and top and the static contact of the moving contact are plugged
Formula is connected.
3. plug-in dual power supply low pressure feeder pillar according to claim 1, it is characterised in that the low-voltage circuit breaker is main
It is dynamic tactile including the second housing, the second top static contact group, the second bottom static contact group, the second top moving contact group, the second bottom
Head group；
The second top static contact group is constituted with the second bottom static contact group by several spaced apart static contacts, described
Static contact is each attached on the isolated insulation plate；
The second top moving contact group is constituted with the second bottom moving contact group by several moving contacts, the bottom of the moving contact
End is fixedly connected with the grafting point on the second housing, top and stationary contact plug-in are connected.
4. the plug-in dual power supply low pressure feeder pillar according to Claims 2 or 3, it is characterised in that the static contact includes
Connecting plate, intermediate plate, jump ring, intermediate plate are vertically set on the bottom of connecting plate, and jump ring passes through through hole and intermediate plate outer surface on intermediate plate
Offset, the top of connecting plate is provided with bolt hole.
5. plug-in dual power supply low pressure feeder pillar according to claim 4, it is characterised in that in the conversion of plug-in dual power supply
In switch, the top of the connecting plate of the first top static contact group static contact is connected with external power source, bottom is fixed on outside
On mains isolation plate, the top of the connecting plate of the first bottom static contact group static contact is fixedly connected with copper bar, bottom is fixed
On outside mains isolation plate；
In low-voltage circuit breaker, the bottom of the connecting plate of the static contact is each attached on isolated insulation plate, top and copper bar are solid
Fixed connection.
6. plug-in dual power supply low pressure feeder pillar according to claim 1, it is characterised in that the power supply display module bag
Include three-phase electricity flow table, voltmeter, conventional power supply indicator, stand-by power supply indicator lamp, three-phase voltage change-over switch.
7. plug-in dual power supply low pressure feeder pillar according to claim 1, it is characterised in that the casing front door is provided with electricity
Door lock is equipped with the see-through window of source display module, front door and back door, handle is provided with the two sides top of casing, casing
Bottom is provided with universal wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710742991.4A CN107317236A (en) | 2017-08-25 | 2017-08-25 | Plug-in dual power supply low pressure feeder pillar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710742991.4A CN107317236A (en) | 2017-08-25 | 2017-08-25 | Plug-in dual power supply low pressure feeder pillar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107317236A true CN107317236A (en) | 2017-11-03 |
Family
ID=60175975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710742991.4A Pending CN107317236A (en) | 2017-08-25 | 2017-08-25 | Plug-in dual power supply low pressure feeder pillar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107317236A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008079394A (en) * | 2006-09-20 | 2008-04-03 | Nitto Electric Works Ltd | Plug-in distribution switchboard |
| CN203415825U (en) * | 2013-07-29 | 2014-01-29 | 溧阳市特种变压器电器设备有限公司 | Cable branch box |
| CN105374639A (en) * | 2015-11-30 | 2016-03-02 | 国家电网公司 | Plug-in meter front switch device |
| CN205265043U (en) * | 2015-09-17 | 2016-05-25 | 济宁精创开关电器有限公司 | Dual power supply low -voltage switchgear |
| CN206283315U (en) * | 2016-12-20 | 2017-06-27 | 佛山奇正电气有限公司 | A kind of dual power supply switching electrical equipment electricity cabinet |
| CN207134666U (en) * | 2017-08-25 | 2018-03-23 | 国家电网公司 | Plug-in dual power supply low pressure feeder pillar |
-
2017
- 2017-08-25 CN CN201710742991.4A patent/CN107317236A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008079394A (en) * | 2006-09-20 | 2008-04-03 | Nitto Electric Works Ltd | Plug-in distribution switchboard |
| CN203415825U (en) * | 2013-07-29 | 2014-01-29 | 溧阳市特种变压器电器设备有限公司 | Cable branch box |
| CN205265043U (en) * | 2015-09-17 | 2016-05-25 | 济宁精创开关电器有限公司 | Dual power supply low -voltage switchgear |
| CN105374639A (en) * | 2015-11-30 | 2016-03-02 | 国家电网公司 | Plug-in meter front switch device |
| CN206283315U (en) * | 2016-12-20 | 2017-06-27 | 佛山奇正电气有限公司 | A kind of dual power supply switching electrical equipment electricity cabinet |
| CN207134666U (en) * | 2017-08-25 | 2018-03-23 | 国家电网公司 | Plug-in dual power supply low pressure feeder pillar |
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