CN208156037U - A kind of 400 volts of combined connection box components - Google Patents
A kind of 400 volts of combined connection box components Download PDFInfo
- Publication number
- CN208156037U CN208156037U CN201820512926.2U CN201820512926U CN208156037U CN 208156037 U CN208156037 U CN 208156037U CN 201820512926 U CN201820512926 U CN 201820512926U CN 208156037 U CN208156037 U CN 208156037U
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- phase
- copper bar
- connection box
- split
- combined connection
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Abstract
The utility model discloses a kind of 400 volts of combined connection box components, are separately connected current transformer and meter by split-phase ejector, current transformer and meter are connected in combined connection box pedestal, so that the phase clear and definite of current transformer lead-out wire.The grafting that operator directly passes through split-phase ejector realizes that connection, operating process are simple and efficient.When current transformer connector and current transformer be connected with each other and with combined connection box pedestal grafting, and meter connector and meter are when being in extraction state, the extension of P1 copper bar and P2 copper bar in the upside of combined connection box pedestal is connected by short-contact metal piece, it ensure that the alternate mutual short circuit of secondary loop of mutual inductor, to realize the livewire work connecting for current transformer with meter.
Description
Technical field
The utility model relates to a kind of 400 volts of combined connection box components for power engineering field.
Background technique
Low-voltage current mutual inductor when being installed with measurement loop, external lead-out wire be divided into the wiring of P1 phase current loop,
The wiring of P2 phase current loop and voltage circuit wiring, for any one in one group of three low-voltage current mutual inductor, P1 phase
Current circuit connections are required to be formed into a loop with P2 phase current loop wiring, while voltage circuit wiring is also required to according to determining
Current phase is accurately attached with meter.The prior art is mainly by one group 3 by the way of fastened by screw connecting terminal
It is attached in the lead-out wire access combined connection box of low-voltage current mutual inductor, and three-phase voltage wiring is drawn, then passed through
Meter side terminal is drawn in connection inside combined connection box, and meter side is respectively connected to meter using the fastened by screw mode of connection and returns
Road, such mounting means are easy wrong, line arrangement in disorder phenomenon, voltage link and secondary current there are wiring polarity and return
The problems such as road is across phase connection, which results in low-voltage current mutual inductor, there are erroneous for installation, easy error connections, and can not be charged
Operation.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of 400 volts of combined connection box components,
The secondary current circuit connection of low-voltage current mutual inductor and voltage link can be carried out fast and convenient band with meter and be electrically connected by it
It connects.
Realizing a kind of technical solution of above-mentioned purpose is：A kind of 400 volts of combined connection box components, including combined connection box bottom
Seat, split-phase ejector；
For the three-phase of the P1 electric current phase of current transformer, P2 electric current phase and voltage phase, the combined connection box bottom
The upper side and lower side of seat is opened up respectively there are three P1 electric current phase split-phase hole, three P2 electric current phase split-phase holes and three voltage phase split-phases
Hole, a P1 electric current phase split-phase hole, a P2 electric current phase split-phase hole and a voltage phase split-phase hole form one group of split-phase hole group；One
Root P1 copper bar is plugged in each P1 electric current phase split-phase hole, and a P2 copper bar is plugged on each described P2 electric current phase point
In phase hole, a voltage copper bar is plugged in each described voltage phase split-phase hole, the P1 copper bar, the P2 copper bar and described
The upper and lower ends of voltage copper bar stretch out the upper side and lower side of the combined connection box pedestal；
The split-phase ejector includes the current transformer connector connecting with current transformer and connect with meter
Meter connector, P1 copper described in every phase of the current transformer connector with the downside for stretching out the combined connection box pedestal
Bar, the P2 copper bar and the voltage copper bar grafting, while the current transformer connector and current transformer and pressure-wire
Connection；P1 copper bar, the P2 copper bar described in every phase of the meter connector with the upside for stretching out the combined connection box pedestal
With the voltage copper bar grafting, while the meter connector is connect with meter.
Further, for split-phase hole group described in each group, the P1 copper bar and the P2 copper bar stretch out it is described combine connect
The short-contact metal contact that the P1 copper bar and the P2 copper bar is connected is equipped between part on the upside of wire box pedestal.
Further, the voltage split-phase for being oppositely arranged in the upper side and lower side of the combined connection box pedestal
Hole is equipped with fuse between the voltage copper bar.
400 volts of combined connection box components of one kind of the utility model, the upper side and lower side of combined connection box pedestal is opposite to be set
P1 copper bar, P2 copper bar and the voltage copper bar set are connected in combined connection box pedestal, and split-phase ejector is plugged on joint respectively
On the copper bar of the upper side and lower side of terminal box base, while split-phase ejector connection current transformer and meter, so that electric current
The phase clear and definite of mutual inductor lead-out wire.Connection is realized in the grafting that operator directly passes through split-phase ejector, is operated
Journey is simple and efficient.When current transformer connector and current transformer be connected with each other and with combined connection box pedestal grafting, and table
Meter connector and meter be when being in extraction state, and the P1 copper bar and P2 copper bar of any one group of split-phase hole group are in combined connection box pedestal
The extension of upside be connected by the pop-up of short-contact metal piece with automatic realization, ensure that secondary loop of mutual inductor exists
There is alternate mutual short circuit under electricity condition, to realize the livewire work connecting for current transformer with meter.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of 400 volts of combined connection box components of one kind of the utility model.
Specific embodiment
In order to preferably understand the technical solution of the utility model, below by specifically embodiment and combine
Attached drawing is described in detail：
Referring to Fig. 1,400 volts of combined connection box components of one kind of the utility model, including combined connection box pedestal 1, point
Phase ejector.
Current transformer is installed with three for one group, therefore by the company of the lead-out wire of current transformer and meter
It connects, should also be installed with three for one group.And the lead-out wire of any one current transformer is divided into P1 electric current phase lead-out wire, P2
Electric current phase lead-out wire and voltage phase lead-out wire.For this three-phase, the two sides up and down on combined connection box pedestal 1 open up respectively
There are three 11, three, P1 electric current phase split-phase hole P2 electric current phase split-phase hole 12 and three voltage phase split-phase holes 13, a P1 electric current phases
11, one, split-phase hole P2 electric current phase split-phase hole 12 and a voltage phase split-phase hole 13 form one group of split-phase hole group, corresponding phase electricity
Current transformer.A piece P1 copper bar 21 is plugged in each P1 electric current phase split-phase hole 11, and a P2 copper bar 22 is plugged on often
In one P2 electric current phase split-phase hole 12, a voltage copper bar 23 is plugged in each described voltage phase split-phase hole 13；P1
The upper and lower ends of copper bar 21, P2 copper bar 22 and voltage copper bar 23 stretch out the upside or downside of the combined connection box pedestal 1.Connection
P1 copper bar 21, P2 copper bar 22 and the voltage copper bar 23 that the upper side and lower side of conjunction terminal box base 1 is oppositely arranged are in combined connection box
Conducting in pedestal 1.
Split-phase ejector includes the current transformer connector 31 connecting with current transformer and the table connecting with meter
Count connector 32.Current transformer connector 31 respectively with stretch out combined connection box pedestal downside each phase P1 copper bar 21, P2
23 grafting of copper bar 22 and voltage copper bar, while current transformer connector 31 is connect with current transformer.Meter connector 32 with
Stretch out 23 grafting of P1 copper bar 21, P2 copper bar 22 and voltage copper bar of the upside of combined connection box pedestal 1, while meter connector 32
It is connect with meter circuit.For each group of split-phase hole group, P1 copper bar and P2 copper bar stretch out the part on the upside of combined connection box pedestal
Between be equipped with conducting P1 copper bar and P2 copper bar short-contact metal contact 4, when current transformer connector 31 and current transformer phase
The downside of combined connection box pedestal 1 is connected and is plugged on, and meter connector 32 is in the upside of combined connection box pedestal 1
When extraction state, pass through short-contact metal piece in the P1 copper bar 21 of the upside of combined connection box pedestal and the extension of P2 copper bar 22
Pop-up realize conducting, ensure that the alternate mutual short circuit of secondary loop of mutual inductor.Such structure design, so that meter returns
Need to only be extracted when the service work of road with the loop-coupled meter connector of meter, without consider current transformer effluent change open
Road problem.
For the voltage split-phase hole being oppositely arranged in the upper side and lower side of combined connection box pedestal, it is equipped between voltage copper bar
Fuse 5, guaranteeing that voltage is alternate will not be shorted.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate that this is practical new
Type, and be not used as the restriction to the utility model, as long as in the spirit of the utility model, to the above
Variation, the modification of embodiment will all be fallen in the Claims scope of the utility model.
Claims (3)
1. a kind of 400 volts of combined connection box components, including combined connection box pedestal, split-phase ejector, it is characterised in that：
For the three-phase of the P1 electric current phase of current transformer, P2 electric current phase and voltage phase, on the combined connection box pedestal
The upper side and lower side opened up respectively there are three P1 electric current phase split-phase hole, three P2 electric current phase split-phase holes and three voltage phase split-phases
Hole, a P1 electric current phase split-phase hole, a P2 electric current phase split-phase hole and a voltage phase split-phase hole form one group of split-phase hole group；One
Root P1 copper bar is plugged in each P1 electric current phase split-phase hole, and a P2 copper bar is plugged on each described P2 electric current phase point
In phase hole, a voltage copper bar is plugged in each described voltage phase split-phase hole；The P1 copper bar, the P2 copper bar and described
The upper and lower ends of voltage copper bar stretch out the upside or downside of the combined connection box pedestal；The combined connection box pedestal it is upper
P1 copper bar, P2 copper bar and the voltage copper bar that side and downside are oppositely arranged are respectively turned in combined connection box pedestal；
The split-phase ejector includes the current transformer connector connecting with current transformer and the meter connecting with meter
Connector, the current transformer connector respectively with P1 copper described in the every phase for the downside for stretching out the combined connection box pedestal
Bar, the P2 copper bar and the voltage copper bar grafting, while the current transformer connector and current transformer and pressure-wire
Connection；P1 copper bar, the P2 copper bar described in every phase of the meter connector with the upside for stretching out the combined connection box pedestal
With the voltage copper bar grafting, while the meter connector is connect with meter circuit.
2. a kind of 400 volts of combined connection box components according to claim 1, which is characterized in that for the upside of box base
Each group described in split-phase hole group, the P1 copper bar and the P2 copper bar stretch out the part on the upside of the combined connection box pedestal it
Between be equipped with the short-contact metal contact that the P1 copper bar and the P2 copper bar is connected.
3. a kind of 400 volts of combined connection box components according to claim 1, which is characterized in that for it is described combine connect
The voltage phase split-phase hole that the upper side and lower side of wire box pedestal is oppositely arranged is equipped with fuse between the voltage copper bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820512926.2U CN208156037U (en) | 2018-04-11 | 2018-04-11 | A kind of 400 volts of combined connection box components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820512926.2U CN208156037U (en) | 2018-04-11 | 2018-04-11 | A kind of 400 volts of combined connection box components |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208156037U true CN208156037U (en) | 2018-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820512926.2U Active CN208156037U (en) | 2018-04-11 | 2018-04-11 | A kind of 400 volts of combined connection box components |
Country Status (1)
| Country | Link |
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| CN (1) | CN208156037U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108226582A (en) * | 2018-04-11 | 2018-06-29 | 国网上海市电力公司 | A kind of 400 volts of combined connection box components |
-
2018
- 2018-04-11 CN CN201820512926.2U patent/CN208156037U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108226582A (en) * | 2018-04-11 | 2018-06-29 | 国网上海市电力公司 | A kind of 400 volts of combined connection box components |
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