CN107910715A - A kind of thread-changing formula terminal box - Google Patents
A kind of thread-changing formula terminal box Download PDFInfo
- Publication number
- CN107910715A CN107910715A CN201710464474.5A CN201710464474A CN107910715A CN 107910715 A CN107910715 A CN 107910715A CN 201710464474 A CN201710464474 A CN 201710464474A CN 107910715 A CN107910715 A CN 107910715A
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- Prior art keywords
- voltage
- power supply
- output terminal
- current
- electric current
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R29/00—Coupling parts for selective co-operation with a counterpart in different ways to establish different circuits, e.g. for voltage selection, for series-parallel selection, programmable connectors
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- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a kind of thread-changing formula terminal box, including box body, three power supply contiguous blocks are equipped with box body, power supply contiguous block respectively includes voltage link block and electric current tagblock, voltage link block is equipped with voltage input end, voltage intermediate ends, first voltage output terminal, second voltage output terminal, first voltage connecting plate and second voltage connecting plate, electric current tagblock is equipped with the first current input terminal, second current input terminal, electric current intermediate ends, first current output terminal, second current output terminal, 3rd current output terminal, 4th current output terminal, first electric current connecting plate, second electric current connecting plate, 3rd electric current connecting plate and the 4th electric current connecting plate, the connecting line for exchanging phase sequence is equipped between one of power supply contiguous block and another power supply contiguous block.A kind of the present invention is intended to provide thread-changing formula terminal box that reverse sequence is realized in the case of not powering off and turns over phase.
Description
Technical field
The invention belongs to terminal box field, more particularly to a kind of thread-changing formula terminal box.
Background technology
At present, terminal box of the prior art can only realize the effect of charged for replacement metering device, as Chinese patent is announced
Number：CN105891566A, discloses a kind of three-phase and four-line combined connection box, belongs to power domain, including voltage link plate and electricity
Terminal plate is flowed, three voltage link plates, and two electric current terminal plates, Mei Ge electricity are provided with three-phase and four-line combined connection box
Compression bonded line plate is equipped with dual-channel connection line terminals, and each electric current terminal plate is equipped with four-way wire connection terminal, in dual-channel connection line terminals
In each passage on be both provided with voltage yoke plate, three adjustable current yoke plates are provided with four-way wire connection terminal.When by
When Rig up error causes reverse sequence failure, it is necessary to could be turned under power down mode and mutually worked, both add operating personnel
Workload at the same time also bring some potential safety problems.For example, when turn over phase operation to massive quantity power supply and measurement subscriber's drop cable,
Not only the power failure mould turnover working time is relatively long, but also to prevent residual charge to hinder to sufficiently being discharged inlet wire cable
People, further extends time-consuming.
The content of the invention
The present invention is to overcome above-mentioned deficiency of the prior art, there is provided one kind is realized reverse in the case of not powering off
Sequence turns over the thread-changing formula terminal box of phase.
To achieve these goals, the present invention uses following technical scheme：
A kind of thread-changing formula terminal box, including box body, interior be equipped with along three power supplys of box body length direction arrangement of the box body connect
Block, power supply contiguous block respectively include the voltage link block and electric current tagblock of mutually insulated, are set on the voltage link block
Have voltage input end, voltage intermediate ends, first voltage output terminal and the second voltage output terminal of mutually insulated, voltage input end and
The first voltage connecting plate being electrically connected is equipped between voltage intermediate ends, the is equipped between voltage intermediate ends and first voltage output terminal
Two voltage connecting plates, the electric current tagblock are equipped with the first current input terminal, the second current input terminal, the electricity of mutually insulated
Flow intermediate ends, the first current output terminal, the second current output terminal, the 3rd current output terminal and the 4th current output terminal, the first electricity
Flow the first electric current connecting plate for being equipped with and being electrically connected between input terminal and the first current output terminal, the first current input terminal and the second electricity
The second electric current connecting plate being electrically connected is equipped between stream input terminal, the 3rd is equipped between the second current input terminal and electric current intermediate ends
Electric current connecting plate, is equipped with the 4th electric current connecting plate, power supply contiguous block is wherein between electric current intermediate ends and the 4th current output terminal
One of be equipped between another power supply contiguous block and exchange the connecting line of phase sequence.
In normal use, the voltage input end of voltage link block, the first current input terminal and second of electric current tagblock
Current input terminal is attached with the corresponding inlet wire of power supply respectively, the connection voltage outlet of first voltage output terminal, and the first electric current is defeated
Outlet accesses electric current inlet wire, and the 4th current output terminal access current outlet, first voltage connecting plate and second voltage connecting plate are equal
Closure, the first electric current connecting plate, the 3rd electric current connecting plate and the 4th electric current connecting plate close, and the second electric current connecting plate disconnects.
When negative phase sequence situation occur and needing to turn over phase, then first first voltage connecting plate and the 3rd electric current connecting plate are disconnected, the second electric current
Plate closing is connected, voltage outlet is connected with second voltage output terminal, electric current inlet wire is connected with the second current output terminal, and electric current goes out
Line is connected with the 4th current output terminal, and first voltage connecting plate and the 3rd electric current are connected plate closing, the connection of the second electric current afterwards
Plate disconnects, you can realization is turned over and mutually operated, and is turned over during phase without power-off, thus dramatically saves on time loss.
Preferably, the power supply contiguous block includes A phase power supplys contiguous block, B phase power supply contiguous blocks are connected with C phase power supplys
Block, is electrically connected, A phases between the first voltage output terminal and the second voltage output terminal of C phase power supply contiguous blocks of A phase power supply contiguous blocks
It is electrically connected between the second voltage output terminal of power supply contiguous block and the first voltage output terminal of C phase power supply contiguous blocks.
Preferably, the first current output terminal of the A phases power supply contiguous block and the second electric current of C phase power supply contiguous blocks are defeated
Outlet is electrically connected, and the first current output terminal of the second current output terminal and C phase power supply contiguous blocks of A phase power supply contiguous blocks is electrically connected
Connect, the 3rd current output terminal of A phase power supply contiguous blocks is electrically connected with the 4th current output terminal of C phase power supply contiguous blocks, A phase power supplys
4th current output terminal of contiguous block is electrically connected with the 3rd current output terminal of C phase power supply contiguous blocks.
It can be cut preferably, the voltage link block is equipped between first voltage output terminal and second voltage output terminal
The voltage output connecting pin changed, the voltage output connecting pin are equipped with voltage end contact site and accommodate voltage end contact site
Voltage end sliding slot, voltage end shrapnel is equipped between the voltage end sliding slot and voltage end contact site.In this way, voltage outlet connects
Voltage output connecting pin is connected to, voltage output connecting pin can be slided between first voltage output terminal and second voltage output terminal,
Switch so as to fulfill voltage outlet between first voltage output terminal and second voltage output terminal.
Preferably, the electric current tagblock be equipped with can be between the first current output terminal and the second current output terminal
The first electric current output connecting pin of switching, and can switch between the 3rd current output terminal and the 4th current output terminal second
Electric current exports connecting pin, and current terminal is respectively equipped with first electric current output connecting pin and the second electric current output connecting pin
Contact site and the current terminal sliding slot for accommodating galvanic contact portion, are equipped with electricity between the current terminal sliding slot and current terminal contact site
Flow end shrapnel.In this way, electric current inlet wire is connected with the first electric current output connecting pin, the first electric current output connecting pin can be in the first electric current
Slided between output terminal and the second current output terminal, current outlet is connected with the second electric current output connecting pin, the output of the second electric current
Connecting pin can be slided between the 3rd current output terminal and the 4th current output terminal, so as to fulfill electric current inlet wire and current outlet
Switching.
Preferably, the power supply contiguous block includes A phase power supplys contiguous block, B phase power supply contiguous blocks are connected with C phase power supplys
Block, the connecting rod that can be moved along box body length direction is equipped between A phases power supply contiguous block and C the phase power supply contiguous block, described
Connecting rod connect voltage output connecting pin in A phase power supply contiguous blocks and C phase power supply contiguous blocks respectively.Connected by connecting rod
A, the voltage output connecting pin of C two-phases, promotes connecting rod that the voltage output connecting pin of A, C two-phase can be driven to move at the same time, improves
Voltage turns over phase efficiency.
Preferably, the connecting rod also connects the first electricity in A phase power supply contiguous blocks and C phase power supply contiguous blocks at the same time
Stream output connecting pin, the box body be equipped with connecting rod engaged transmission tumbler gear and with tumbler gear engaged transmission
Reversing bar, the moving direction of the reversing bar and connecting rod is on the contrary, reversing bar connection A phase power supply contiguous blocks and C phase are electric
The second electric current output connecting pin in the contiguous block of source.In this way, the first electric current that A, C two-phase are connected by connecting rod exports connection
End, and drive the second electric current to export connecting pin at the same time by tumbler gear and reversing bar, so that improving electric current turns over phase efficiency.
The beneficial effects of the invention are as follows：（1）Turn over during phase without power-off, improve and turn over phase operation ease, save
Working time；（2）The handoff procedure more rapid and convenient of voltage, electric current, improves and turns over phase efficiency.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of the present invention；
Fig. 2 is the tray interior connecting line schematic diagram of the present invention；
Fig. 3 is the box body top structure schematic diagram of the present invention.
In figure：Box body 1, A phase power supplys contiguous block 101, B phase power supplys contiguous block 102, C phase power supplys contiguous block 103, the first electricity
Pressure output terminal 2, second voltage output terminal 3, the first current output terminal 4, the second current output terminal 5, the second electric current connecting plate 6, the
Three current output terminals 7, the 4th current output terminal 8, the 4th electric current connecting plate 9, electric current intermediate ends 10, the 3rd electric current connecting plate 11,
Second current input terminal 12, the first current input terminal 13, electric current tagblock 14, the first electric current connecting plate 15, voltage input end 16,
Voltage link block 17, first voltage connecting plate 18, voltage intermediate ends 19, second voltage connecting plate 20, connecting rod 21, the first electric current
Export connecting pin 22, the second electric current output connecting pin 23, tumbler gear 24, reversing bar 25, current terminal sliding slot 26, current terminal shrapnel
27, current terminal contact site 28, voltage output connecting pin 29, voltage end contact site 29a, voltage end shrapnel 29b, voltage end sliding slot
29c。
Embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
In embodiment as shown in Figure 1, a kind of thread-changing formula terminal box, including box body 1, box body is interior to be equipped with along box body length side
To three power supply contiguous blocks of arrangement, respectively the voltage link block 17 including mutually insulated and electric current connect each power supply contiguous block
Line block 14, voltage link block are equipped with voltage input end 16, voltage intermediate ends 19,2 and of first voltage output terminal of mutually insulated
Second voltage output terminal 3, wherein voltage input end are located at below voltage link block, first voltage output terminal and second voltage output
End is above voltage link block.The first voltage connecting plate 18 being electrically connected is equipped between voltage input end and voltage intermediate ends,
First voltage connecting plate can turn on voltage input end and voltage intermediate ends, be set between voltage intermediate ends and first voltage output terminal
There is second voltage connecting plate 20, second voltage connecting plate can turn on voltage intermediate ends and first voltage output terminal, first voltage
Connecting plate and second voltage connecting plate are fixed by bolts connection, to facilitate carry out dismantling connection.
Electric current tagblock is equipped among the first current input terminal 13, the second current input terminal 12, electric current of mutually insulated
The 10, first current output terminal 4, the second current output terminal 5, the 3rd current output terminal 7 and the 4th current output terminal are held, wherein first
Current input terminal, the second current input terminal are located at below electric current tagblock, the first current output terminal, the second current output terminal, the
Three current output terminals and the 4th current output terminal are located above electric current tagblock.First current input terminal and the first current output terminal
Between be equipped with the first electric current connecting plate 15, the first electric current connecting plate can lead the first current input terminal and the first current output terminal
It is logical.The second electric current connecting plate 6 is equipped between first current input terminal and the second current input terminal, the second electric current connecting plate can be by
One current input terminal and the conducting of the second current input terminal.The 3rd electric current is equipped between second current input terminal and electric current intermediate ends to connect
Fishplate bar 11, the 3rd electric current connecting plate can turn on the second current input terminal and electric current intermediate ends.Electric current intermediate ends and the 4th electric current
The 4th electric current connecting plate 9 is equipped between output terminal, the 4th electric current connecting plate is used for electric current intermediate ends and the 4th current output terminal
Conducting.First electric current connecting plate, the second electric current connecting plate, the 3rd electric current connecting plate and the 4th electric current connecting plate are consolidated using bolt
Fixed connection, to facilitate carry out dismantling connection, will cut off respective channels after dismounting.
Power supply contiguous block includes A phase power supplys contiguous block 101, B phase power supplys contiguous block 102 and C phase power supplys contiguous block 103, its
In, the voltage input end on A phase power supply contiguous blocks is denoted as UA, and first voltage output terminal is denoted as Ua1, and second voltage output terminal is denoted as
Ua2, the first current input terminal are denoted as IA1, and the second current input terminal is denoted as IA2, and the first current output terminal is denoted as Ia1, the second electricity
Stream output terminal is denoted as Ia2, the 3rd current output terminal Ia3, the 4th current output terminal Ia4.Control source on C phase power supply contiguous blocks
End is denoted as UC, and first voltage output terminal is denoted as Uc1, and second voltage output terminal is denoted as Uc2, and the first current input terminal is denoted as IC1, the
Two current input terminals are denoted as IC2, and the first current output terminal is denoted as Ic1, and the second current output terminal is denoted as Ic2, the output of the 3rd electric current
End is denoted as Ic3, and the 4th current output terminal is denoted as Ic4.
With reference to shown in Fig. 2, the connecting line for exchanging phase sequence, A phases are equipped between A phase power supply contiguous blocks and C phase power supply contiguous blocks
It is electrically connected between the second voltage output terminal Uc2 of first voltage output terminal Ua1 and C the phase power supply contiguous block of power supply contiguous block, A phases
It is electrically connected between the first voltage output terminal Uc1 of second voltage output terminal Ua2 and C the phase power supply contiguous block of power supply contiguous block.A phases
Second current output terminal Ic1 of the first current output terminal Ia1 and C the phase power supply contiguous block of power supply contiguous block is electrically connected, A phase power supplys
First current output terminal Ic1 of the second current output terminal Ia2 and C the phase power supply contiguous block of contiguous block is electrically connected, the connection of A phases power supply
4th current output terminal Ic4 of the 3rd current output terminal Ia3 and C the phase power supply contiguous block of block is electrically connected, A phase power supply contiguous blocks
4th current output terminal Ia4 is connected with the 3rd current output terminal electricity Ic3 of C phase power supply contiguous blocks.
It can switch as shown in figure 3, voltage link block is equipped between first voltage output terminal and second voltage output terminal
Voltage output connecting pin 29, voltage output connecting pin is equipped with voltage end contact site 29a and accommodates voltage end contact site
Voltage end sliding slot 29c, is equipped with voltage end shrapnel 29b between voltage end sliding slot and voltage end contact site.Electric current tagblock is equipped with
The the first electric current output connecting pin 22 that can switch between the first current output terminal and the second current output terminal, and can be the 3rd
Switch between current output terminal and the 4th current output terminal the second electric current output connecting pin 23, the first electric current output connecting pin and
Respectively current terminal contact site 28 is equipped with second electric current output connecting pin and accommodates the current terminal sliding slot 26 in galvanic contact portion,
Current terminal shrapnel 27 is equipped between current terminal sliding slot and current terminal contact site.
Being equipped between A phase power supply contiguous blocks and C phase power supply contiguous blocks can be along the connecting rod 21 that box body length direction moves, even
Extension bar connects the voltage output connecting pin in A phase power supply contiguous blocks and C phase power supply contiguous blocks respectively.Ask for instructions, connecting rod is also connected with A
The first electric current output connecting pin in phase power supply contiguous block and C phase power supply contiguous blocks, box body are equipped with and connecting rod engaged transmission
Tumbler gear 24 and reversing bar 25 with tumbler gear engaged transmission, the moving direction of reversing bar and connecting rod is on the contrary, change
The second electric current connected to bar in A phase power supply contiguous blocks and C phase power supply contiguous blocks exports connecting pin.
In actual moving process, in normal use, the pressure-wire of each phase power supply of A, B, C and power cord are accessed corresponding
The voltage input end of voltage link block and the first current input terminal of electric current tagblock and the second current input terminal, A phase voltages
Line voltage outlet is switched to Ua1, and A phase current inlet wires are switched to Ia1, and A phase current outlets are switched to Ia4, C phase voltages outlet electricity
Extrusion line is switched to Uc1, and C phase current inlet wires are switched to Ic1, and C phase current outlets are switched to Ic4.Each phase power supply contiguous block at the same time
It is interior, close first voltage connecting plate and second voltage connecting plate, the first electric current connecting plate of closure, the 3rd electric current connecting plate and the 4th
Electric current connecting plate, disconnects the second electric current connecting plate.
When negative phase sequence situation occur and needing to turn over phase, then first first voltage connecting plate and the 3rd electric current connecting plate are disconnected,
Second electric current connects plate closing, promotes connecting rod so that A phase voltage line voltage outlets are switched to Ua2, and A phase current inlet wires connect
Ia2 is passed to, A phase current outlets are switched to Ia3, and C phase voltage line voltage outlets are switched to Uc2, and C phase current inlet wires are switched to
Ic2, C phase current outlet are switched to Ic3.First voltage connecting plate and the 3rd electric current are connected into plate closing afterwards, the second electric current connects
Fishplate bar disconnects, and passes through the conduction of box body connection wire at this time, you can realize that turning over for A, C phase mutually operates.
Claims (7)
1. a kind of thread-changing formula terminal box, including box body（1）, it is characterized in that, the box body（1）It is interior to be equipped with along box body（1）Length side
To three power supply contiguous blocks of arrangement, power supply contiguous block respectively includes the voltage link block of mutually insulated（17）With electric current wiring
Block（14）, the voltage link block（17）It is equipped with the voltage input end of mutually insulated（16）, voltage intermediate ends（19）, first
Voltage output end（2）With second voltage output terminal（3）, voltage input end（16）With voltage intermediate ends（19）Between be equipped be electrically connected
First voltage connecting plate（18）, voltage intermediate ends（19）With first voltage output terminal（2）Between be equipped with second voltage connecting plate
（20）, the electric current tagblock（14）It is equipped with the first current input terminal of mutually insulated（13）, the second current input terminal
（12）, electric current intermediate ends（10）, the first current output terminal（4）, the second current output terminal（5）, the 3rd current output terminal（7）With
Four current output terminals（8）, the first current input terminal（13）With the first current output terminal（4）Between be equipped be electrically connected the first electric current
Connecting plate（15）, the first current input terminal（13）With the second current input terminal（12）Between be equipped be electrically connected the second electric current connection
Plate（6）, the second current input terminal（12）With electric current intermediate ends（10）Between be equipped with the 3rd electric current connecting plate（11）, electric current intermediate ends
（10）With the 4th current output terminal（8）Between be equipped with the 4th electric current connecting plate（9）, one of power supply contiguous block and another electricity
The connecting line for exchanging phase sequence is equipped between the contiguous block of source.
2. a kind of thread-changing formula terminal box according to claim 1, it is characterized in that, the power supply contiguous block includes A phases electricity
Source contiguous block（101）, B phase power supply contiguous blocks（102）With C phase power supply contiguous blocks（103）, A phase power supply contiguous blocks（101）First
Voltage output end（2）With C phase power supply contiguous blocks（103）Second voltage output terminal（3）Between be electrically connected, A phase power supply contiguous blocks
（101）Second voltage output terminal（3）With C phase power supply contiguous blocks（103）First voltage output terminal（2）Between be electrically connected.
3. a kind of thread-changing formula terminal box according to claim 2, it is characterized in that, the A phases power supply contiguous block（101）
One current output terminal（4）With C phase power supply contiguous blocks（103）The second current output terminal（5）It is electrically connected, A phase power supply contiguous blocks
（101）The second current output terminal（5）With C phase power supply contiguous blocks（103）The first current output terminal（4）It is electrically connected, A phase power supplys
Contiguous block（101）The 3rd current output terminal（7）With C phase power supply contiguous blocks（103）The 4th current output terminal（8）It is electrically connected, A
Phase power supply contiguous block（101）The 4th current output terminal（8）With C phase power supply contiguous blocks（103）The 3rd current output terminal（7）Electricity
Connection.
4. a kind of thread-changing formula terminal box according to claim 1 or 2 or 3, it is characterized in that, the voltage link block（17）On
Equipped with can be in first voltage output terminal（2）With second voltage output terminal（3）Between the voltage output connecting pin that switches（29）, it is described
Voltage output connecting pin（29）It is equipped with voltage end contact site（29a）And accommodate voltage end contact site（29a）Voltage end
Sliding slot（29c）, the voltage end sliding slot（29c）With voltage end contact site（29a）Between be equipped with voltage end shrapnel（29b）.
5. a kind of thread-changing formula terminal box according to claim 4, it is characterized in that, the electric current tagblock（14）It is equipped with
Can be in the first current output terminal（4）With the second current output terminal（5）Between switch the first electric current output connecting pin（22）, and
Can be in the 3rd current output terminal（7）With the 4th current output terminal（8）Between switch the second electric current output connecting pin（23）, it is described
The first electric current output connecting pin（22）Connecting pin is exported with the second electric current（23）On be respectively equipped with current terminal contact site（28）
And accommodate the current terminal sliding slot in galvanic contact portion（26）, the current terminal sliding slot（26）With current terminal contact site（28）Between
Equipped with current terminal shrapnel（27）.
6. a kind of thread-changing formula terminal box according to claim 4, it is characterized in that, the power supply contiguous block includes A phases electricity
Source contiguous block（101）, B phase power supply contiguous blocks（102）With C phase power supply contiguous blocks（103）, the A phases power supply contiguous block（101）With
C phase power supply contiguous blocks（103）Between be equipped with can be along box body（1）The connecting rod of length direction movement（21）, the connecting rod
（21）A phase power supply contiguous blocks are connected respectively（101）With C phase power supply contiguous blocks（103）Interior voltage output connecting pin（29）.
7. a kind of thread-changing formula terminal box according to claim 6, it is characterized in that, the connecting rod（21）Also connect at the same time
A phase power supply contiguous blocks（101）With C phase power supply contiguous blocks（103）Interior the first electric current output connecting pin（22）, the box body
（1）It is equipped with and connecting rod（21）The tumbler gear of engaged transmission（24）And and tumbler gear（24）The reversing bar of engaged transmission
（25）, the reversing bar（25）With connecting rod（21）Moving direction on the contrary, the reversing bar（25）Connect A phase power supply contiguous blocks
（101）With C phase power supply contiguous blocks（103）Interior the second electric current output connecting pin（23）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710464474.5A CN107910715A (en) | 2017-06-19 | 2017-06-19 | A kind of thread-changing formula terminal box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710464474.5A CN107910715A (en) | 2017-06-19 | 2017-06-19 | A kind of thread-changing formula terminal box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107910715A true CN107910715A (en) | 2018-04-13 |
Family
ID=61840982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710464474.5A Pending CN107910715A (en) | 2017-06-19 | 2017-06-19 | A kind of thread-changing formula terminal box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107910715A (en) |
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| CN2515782Y (en) * | 2001-10-17 | 2002-10-09 | 党胤涛 | Phase order rearranging device for three-phase ac breaker |
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Application publication date: 20180413 |