CN208352654U - A kind of single-phase one point of multiloop a little concentrates the anti-short circuit connector of PT of ground connection - Google Patents
A kind of single-phase one point of multiloop a little concentrates the anti-short circuit connector of PT of ground connection Download PDFInfo
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- CN208352654U CN208352654U CN201821058775.4U CN201821058775U CN208352654U CN 208352654 U CN208352654 U CN 208352654U CN 201821058775 U CN201821058775 U CN 201821058775U CN 208352654 U CN208352654 U CN 208352654U
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- voltage transformer
- short circuit
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Abstract
The utility model discloses the anti-short circuit connectors of PT that a kind of single-phase one point of multiloop a little concentrates ground connection.It include: the first connector, second connector and bridgeware, first connector is internally provided with the first contact, second connector is internally provided with the second contact, the connection of the output end of first connector and voltage transformer, second connector is connect with electrical equipment, first connector and second connector pass through the first contact and the second contact grafting, the first contact that bridgeware connects multiple first contacts and voltage transformer outlet line is shorted or is shorted multiple second contacts the second contact corresponding with voltage transformer outlet line, and will connect with N route in voltage transformer outlet line or corresponding contact concentrate one point earth, realize the anti-short circuit of voltage transformer signal, single-phase one point of multiloop, neutral point concentrates one point earth, eliminate the connecting terminal in circuit.
Description
Technical field
The utility model relates to electric fields, a little concentrate the PT of ground connection anti-more particularly to a kind of single-phase one point of multiloop
Short circuit connector.
Background technique
In power system transformer substation construction, the electrical connection between various equipment and electrical control equipment is usually in power transformation
Building-site of standing is attached using the connection type of connecting terminal.Since substation project construction site environmental condition is arduous,
It is influenced by unfavorable factors such as high temperature, severe cold, sleet, dusts storm, live electrical wiring workload is huge, and setting up time is very long, existing
Wiring error rate is higher, reprocesses frequently, seriously restricts substation's completion time of project and equipment room combined test progress and entire
Substation project quality.
Since combining unit is arranged in whole station in intelligent substation, each line segregation transformer secondary circuit passes through cable connection
Combining unit in Intelligent control cabinet can jeopardize the person and equipment safety, and mesh in view of Secondary Circuit of Potential Transformer short circuit
Preceding widely used pre-fabricated electric cables connector, what either circular configuration or rectangular configuration were all made of is straight-through voltage-type plug
Connection type.The circuit PT is all made of through-type pre-fabricated electric cables connector overlap joint connecting terminal, be shorted by the doubling of connecting terminal,
Ground connection is to realize the bridge joint of PT signal and the ground connection of secondary winding.
As electic protection, test, monitoring demand are higher and higher, the connection plan of electric loop also becomes increasingly complex.It adopts
Doubling, short circuit and ground connection are carried out with connecting terminal, so that the connecting terminal in electrical cubicle is also more and more.Connecting terminal
The various physical space pressure for increasing electrical cubicle, and combining unit, voltage terminal wiring error often occurred in recent years
Etc. reasons cause great protection misoperation event, and easy to maintain stable on intelligent substation operational safety influences great；Meanwhile
More connecting terminal needs artificial wiring at the scene, therefore substation's completion time of project drags slow serious.
Utility model content
The purpose of the utility model is to provide a kind of single-phase one point of multiloops a little to concentrate the anti-short circuit connector of PT being grounded,
It can be realized the anti-short circuit of voltage transformer signal, single-phase one point of multiloop, neutral point is concentrated one point earth, eliminated in circuit
Connecting terminal.
To achieve the above object, the utility model provides following scheme:
A kind of single-phase one point of multiloop a little concentrates the anti-short circuit connector of PT of ground connection, comprising: the first connector, second connect
Device and bridgeware are connect, first connector is internally provided with the first contact, and second connector is internally provided with second
The output end of contact, first connector and voltage transformer connects, and second connector is connect with electrical equipment, institute
It states the first connector and second connector passes through first contact and the second contact grafting, the bridgeware
The first contact that multiple first contacts are connected with voltage transformer outlet line is shorted or by multiple described second
Contact the second contact corresponding with voltage transformer outlet line is shorted, and will be with N line in voltage transformer outlet line
Road connects or corresponding contact concentrates one point earth.
Optionally, the L route that one exports with voltage transformer connects first is provided in first connector to connect
The first contact that contact element and one connect with the N route of voltage transformer output is provided in second connector multiple
Second contact.
Optionally, the bridgeware includes the first conduct piece and the second conduct piece, and first conduct piece will be multiple described
Second contact the second contact corresponding with the L route that voltage transformer exports is shorted；Second conduct piece is by multiple institutes
Stating the second contact, the second contact corresponding with the N route that voltage transformer exports is shorted, and is bridged with PE, is guided into together big
Ground.
Optionally, multiple first contacts are provided in first connector, wherein first contact with
The L route of voltage transformer output connects, and first contact connects with the N route that voltage transformer exports, described
Multiple second contacts are provided in second connector.
Optionally, the bridgeware includes third conduct piece and the 4th conduct piece, and the third conduct piece will be multiple described
The first contact that first contact connects with voltage transformer outlet line is shorted；4th conduct piece is by multiple described
The second contact that one contact connects with the N route that voltage transformer exports is shorted, and is bridged with PE, guides the earth into together.
Optionally, the bridgeware further includes insulation crust, and conduct piece is fixed in the insulation crust.
Optionally, first contact is jack, and second contact is contact pin.
Optionally, it is equipped with boss in first connector or second connector, for carrying out to the bridgeware
Axial constraint.
Optionally, the side of the bridgeware is equipped with several grooves, first connector or second connector
Several positioning keys are equipped in shell, the groove matches with the positioning key.
According to specific embodiment provided by the utility model, the utility model discloses following technical effects: this is practical new
It includes: the first connector, the second connector that single-phase one point of multiloop that type provides, which a little concentrates the anti-short circuit connector of PT of ground connection,
And bridgeware, the first connector are internally provided with the first contact, the second connector is internally provided with the second contact, and first connects
The output end for connecing device and voltage transformer connects, and the second connector is connect with electrical equipment, and the first connector and described second connects
Device is connect by the first contact and the second contact grafting, bridgeware exports multiple first contacts and voltage transformer
The first contact that route connects is shorted or contacts multiple second contacts corresponding with voltage transformer outlet line second
Part is shorted, and will be connected with N route in voltage transformer outlet line or corresponding contact concentrates one point earth, this is practical
Novel by being provided with bridgeware in the connectors, the contact of respective lines is shorted by bridgeware, realizes voltage transformer
The anti-short circuit of signal, single-phase one point of multiloop, neutral point concentrate one point earth, eliminate the connecting terminal in circuit.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without any creative labor, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the anti-short circuit connector of PT that the single-phase one point of multiloop of the utility model first embodiment a little concentrates ground connection
First structure diagram；
Fig. 2 is the structural schematic diagram of the utility model first embodiment bridgeware；
Fig. 3 is the structural schematic diagram of the second connector of the utility model first embodiment；
Fig. 4 is that the single-phase one point of multiloop of the utility model first embodiment the utility model embodiment a little concentrates ground connection
The installation diagram of the anti-short circuit connector of PT；
Fig. 5 is the anti-short circuit connector of PT that the single-phase one point of multiloop of the utility model second embodiment a little concentrates ground connection
Installation diagram.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The purpose of the utility model is to provide a kind of anti-short circuit connectors of PT, can cancel the connecting terminal in circuit, and
It can prevent the short circuit of PT voltage circuit, realize that signal shunts and only a little concentrate the function of ground connection.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
It includes: that the single-phase one point of multiloop of one kind provided by the utility model, which a little concentrates the anti-short circuit connector of PT of ground connection,
A connector, the second connector and bridgeware, first connector are internally provided with the first contact, second connector
Be internally provided with the second contact, the output end of first connector and voltage transformer connects, second connector with
Electrical equipment connection, first connector and second connector pass through first contact and second contact
Grafting, the first contact that the bridgeware connects multiple first contacts with voltage transformer outlet line be shorted or
Multiple second contacts the second contact corresponding with voltage transformer outlet line is shorted, and will be with voltage transformer
N route connects in outlet line or corresponding contact concentrates one point earth.First contact can be jack, the second contact
Part be can be contact pin, contact is metal material.
First contact and one to connect with the L route of voltage transformer output is provided in first connector
The first contact that the N route of a output with voltage transformer connects is provided with multiple second contacts in second connector
Part.
The bridgeware includes the first conduct piece and the second conduct piece, and first conduct piece is contacted multiple described second
Part the second contact corresponding with the L route that voltage transformer exports is shorted；Second conduct piece connects multiple described second
Contact element the second contact corresponding with the N route that voltage transformer exports is shorted, and is shorted with PE contact, is introduced together big
Ground.The bridgeware further includes insulation crust, and conduct piece is fixed in the insulation crust.
Specifically as shown in FIG. 1, FIG. 1 is the single-phase one point of multiloop of the utility model embodiment a little concentrate ground connection PT prevent it is short
The first structure diagram of path connector, connector provided by the utility model include the first connector 1, the second connector 3, with
And it is embedded in the bridgeware 2 in the second connector 3.
First connector 1 includes: 1.1 shells, 1.2 contact pins, 1.3 insulation fixed bodies；
Second connector 3 includes: 3.1 shells, 3.2 jacks, 3.3 insulation fixed bodies；
Bridgeware 2 includes: 2.1 conduct pieces, 2.2 insulation crusts.
Bridgeware 2 is mounted in 3 shell 3.1 of contact pin terminal adapter.There are a boss in contact pin terminal adapter 3, for mentioning
For the axial constraint of bridgeware 2；And there are several grooves in the side of bridgeware 2, it is fixed with 3.1 inner hole of shell in contact pin terminal adapter 3
Position key matches, and after installation, can prevent bridgeware 2 from rotating in contact pin terminal adapter 3.
Bridgeware 2 includes conduct piece 2.1 and insulation crust 2.2.Conduct piece 2.1 is used to bridge the hole location for needing to bridge.Such as
Fig. 2, in bridgeware 2 between hole location 1,2, there are metallic conduction part 2.1 between hole location 0,1 ', 2 ', therefore bridge between hole location 1,2
It connects, is bridged between hole location 0,1 ', 2 '.
To realize connector to the bridging functionality of different conductor, as shown in figure 3, by prefabricated 1,2, at 0,1 ', 2 ' hole locations
It is embedded into 3 shell of the second connector in the bridgeware 2 of on state, at this time two contact pin output terminals As 1, A2, N1, N2, PE points
It is not in the conductive state.
Due to the bridging functionality of bridgeware 2, make contact pins A 1, the A2, N1, N2, PE of the second connector 3 of pre-buried bridgeware 2
It is respectively turned on.As shown in figure 4, when the second connector 3 of pre-buried bridgeware 2 is engaged with the first connector 1, voltage transformer side
PT signal A by receptacle connector 1 enter PT pluggable electric connector connector after, branch to A1, A2；The PT of voltage transformer side
Signal N branches to N1, N2, PE after entering PT pluggable electric connector.Finally, A-A1, A-A2, N-N1, N-N2, N-PE are led respectively
It is logical, it is finally reached a PT signal and is split into multiple effects.
It is worth noting that, the second connector 3 includes PE contact pin wiring point, it is used for signal ground.In this way, mutual induction of voltage
The PT signal of device secondary side can be grounded by the PE point in the second connector of PT pre-fabricated electric cables pluggable electric connector 3, to guarantee
Secondary windings of PT ground connection.
Single-phase one point of multiloop provided by the utility model a little concentrates the anti-short circuit connector of PT of ground connection, can guarantee electricity
Mutual inductor secondary side PE signal is pressed, the connecting terminal in control loop is saved, realizes zero electrical terminal connections, meet
The demand of power grid standard and modular.
As shown in figure 5, a kind of deformation as the anti-short circuit connector of PT provided by the utility model, can also connect first
It connects and is provided with multiple first contacts in device, wherein the L route phase that first contact is exported with voltage transformer
It connects, first contact connects with the N route that voltage transformer exports, and multiple are provided in second connector
Two contacts.First contact can be jack, and second contact can be contact pin.The bridgeware includes third
Conduct piece and the 4th conduct piece, the third conduct piece connect multiple first contacts with voltage transformer outlet line
The first contact be shorted；The N route phase that 4th conduct piece exports multiple first contacts with voltage transformer
The second contact connect is shorted, and is shorted with PE contact, introduces the earth together.The bridgeware further includes insulation crust, is led
Electric part is fixed in the insulation crust.Boss is equipped in first connector, for carrying out axially about to the bridgeware
Beam.The side of the bridgeware is equipped with several grooves, is equipped with several positioning keys, the groove in the shell of first connector
Match with the positioning key.
The anti-short circuit connector of single-phase one point of multiloop PT provided by the utility model passes through and bridgeware is arranged in the connectors,
Realize single-phase one point of multiloop function, need to only acquire one group of PT signal can provide multiple electrical equipments uses, moreover, cancelling
Connecting terminal in the prior art to realize " zero terminal " wiring in circuit reduces the fault point of connection circuit, mentions
The safety and reliability of high system；Using the function of bridgeware multi-point bridging in connector, the core number of cable is saved, is saved
The cost of circuit connection；Meanwhile on the basis of cancelling connecting terminal, the physical space of controller switching equipment is not only saved, is also saved
The about technical requirements and cost of artificial buying, installation, maintenance.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Specific case used herein is expounded the principles of the present invention and embodiment, above embodiments
Explanation be merely used to help understand the method and its core concept of the utility model；Meanwhile for the general technology of this field
Personnel, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.In conclusion
The content of the present specification should not be construed as a limitation of the present invention.
Claims (9)
1. the anti-short circuit connector of PT that a kind of single-phase one point of multiloop a little concentrates ground connection characterized by comprising the first connection
Device, the second connector and bridgeware, first connector are internally provided with the first contact, set inside second connector
Be equipped with the second contact, the output end of first connector and voltage transformer connects, second connector with electrically set
Standby connection, first connector and second connector by first contact and the second contact grafting,
The first contact that the bridgeware connects multiple first contacts with voltage transformer outlet line is shorted or will be more
A second contact the second contact corresponding with voltage transformer outlet line is shorted, and will be exported with voltage transformer
N route connects in route or corresponding contact concentrates one point earth.
2. the anti-short circuit connector of PT according to claim 1, which is characterized in that be provided with one in first connector
The to connect with the first contact for connecting of L route of voltage transformer output and a N route exported with voltage transformer
One contact is provided with multiple second contacts in second connector.
3. the anti-short circuit connector of PT according to claim 2, which is characterized in that the bridgeware include the first conduct piece and
Second conduct piece, first conduct piece is by multiple second contacts corresponding with the L route that voltage transformer exports
Two contacts are shorted；Second conduct piece is corresponding with the N route that voltage transformer exports by multiple second contacts
Second contact is shorted, and is bridged with PE, guides the earth into together.
4. the anti-short circuit connector of PT according to claim 1, which is characterized in that be provided in first connector multiple
First contact, wherein first contact connects with the L route that voltage transformer exports, and one described first connects
Contact element connects with the N route that voltage transformer exports, and multiple second contacts are provided in second connector.
5. the anti-short circuit connector of PT according to claim 4, which is characterized in that the bridgeware include third conduct piece and
4th conduct piece, what the third conduct piece connected multiple first contacts with voltage transformer outlet line first connects
Contact element is shorted；4th conduct piece multiple first contacts are connected with the N route that voltage transformer exports second
Contact is shorted, and is bridged with PE, guides the earth into together.
6. the anti-short circuit connector of the PT according to claim 3 or 5, which is characterized in that the bridgeware further includes that insulation is outer
Shell, conduct piece are fixed in the insulation crust.
7. the anti-short circuit connector of PT described in any one of -5 claims according to claim 1, which is characterized in that described first
Contact is jack, and second contact is contact pin.
8. the anti-short circuit connector of PT described in any one of -5 claims according to claim 1, which is characterized in that described first
Boss is equipped in connector or second connector, for carrying out axial constraint to the bridgeware.
9. the anti-short circuit connector of PT according to claim 8, which is characterized in that the side of the bridgeware is equipped with several recessed
Several positioning keys, the groove and the positioning key are equipped in the shell of slot, first connector or second connector
Match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821058775.4U CN208352654U (en) | 2018-07-05 | 2018-07-05 | A kind of single-phase one point of multiloop a little concentrates the anti-short circuit connector of PT of ground connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821058775.4U CN208352654U (en) | 2018-07-05 | 2018-07-05 | A kind of single-phase one point of multiloop a little concentrates the anti-short circuit connector of PT of ground connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208352654U true CN208352654U (en) | 2019-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821058775.4U Active CN208352654U (en) | 2018-07-05 | 2018-07-05 | A kind of single-phase one point of multiloop a little concentrates the anti-short circuit connector of PT of ground connection |
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| CN (1) | CN208352654U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108899715A (en) * | 2018-07-05 | 2018-11-27 | 上海思方电气技术有限公司 | A kind of single-phase one point of multiloop a little concentrates the anti-short circuit connector of PT of ground connection |
-
2018
- 2018-07-05 CN CN201821058775.4U patent/CN208352654U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108899715A (en) * | 2018-07-05 | 2018-11-27 | 上海思方电气技术有限公司 | A kind of single-phase one point of multiloop a little concentrates the anti-short circuit connector of PT of ground connection |
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