CN208522253U - A kind of connecting terminal protective device and DC distributor - Google Patents
A kind of connecting terminal protective device and DC distributor Download PDFInfo
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- CN208522253U CN208522253U CN201821374626.9U CN201821374626U CN208522253U CN 208522253 U CN208522253 U CN 208522253U CN 201821374626 U CN201821374626 U CN 201821374626U CN 208522253 U CN208522253 U CN 208522253U
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- connecting terminal
- protective door
- fixed frame
- protective
- protective device
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Abstract
The embodiment of the present application discloses a kind of connecting terminal protective device, comprising: fixed frame, protective door and closedown structure；One end of fixed frame is fixedly mounted on switchboard, and the other end and protective door are rotatablely connected；It when connecting terminal charges, is formed and is latched by closedown structure between fixed frame and protective door, protective door is in close state, and is obstructed in the surface of connecting terminal.Technical scheme, which is solved, is easy to appear the technical issues of accidentally unclamping the connecting terminal for running side, whole transformer station communication is caused all to be interrupted when the communication DC power supply system that two sets of high frequency switch powers are shared with a set of DC distributor carries out dilatation.The embodiment of the present application also discloses a kind of DC distributor.
Description
Technical field
This application involves power safety technique field more particularly to a kind of connecting terminal protective device and DC distributors.
Background technique
Power dispatching station, 220kV and the above power plant, substation and communication relay station must all install communication DC power supply
System.Communication DC power supply system generallys use duplicate system retrofit, that is, configures two sets of independent high frequency switch powers, ordinary circumstance
Under, a set of high frequency switch power can configure a set of DC distributor, but in the limited situation in computer room space, it is also possible to occur two
The case where set high frequency switch power shares a set of DC distributor, as shown in FIG. 1, FIG. 1 is existing dual power supply DC distributors
Front view, the connecting terminal 101 of the first power supply and the connecting terminal 102 of second source are arranged at a DC distributor
It is interior.
With the growth of energy communication service, transformer substation communication equipment is continuously increased, and original communication power supply is unable to satisfy
The power demands of newly-increased communication equipment need to carry out extending capacity reformation to communication DC power supply system.When carrying out extending capacity reformation, lead to
A set of high frequency switch power in letter DC power-supply system is in inspecting state, another set of then in operating status, needs to carry
Play whole traffic loads.When the communication DC power supply system that two sets of high frequency switch powers are shared with a set of DC distributor carries out
When dilatation, since the connecting terminal of two power supplys in dual power supply DC distributor is apart from close, and it is easy to obscure, once occur
Service personnel accidentally unclamps the connecting terminal for running side, will lead to whole transformer station communication and all interrupts, whole transformer station all will
Lose protection.
Utility model content
The embodiment of the present application provides a kind of connecting terminal protective device and DC distributor, solves to two sets of high frequencies
When the communication DC power supply system that Switching Power Supply shares a set of DC distributor carries out dilatation, connecing for side will accidentally be run by being easy to appear
The technical issues of line terminals are unclamped, and whole transformer station communication is caused all to be interrupted.
In view of this, the application first aspect provides a kind of connecting terminal protective device, the device include: fixed frame,
Protective door and closedown structure；
One end of the fixed frame is fixedly mounted on switchboard, and the other end and the protective door are rotatablely connected；
When connecting terminal charges, the fixed frame and the protective door are formed by the closedown structure and are latched, the guarantor
Shield door is in close state, and is obstructed in the surface of the connecting terminal.
Preferably, the closedown structure specifically includes the first electromagnetic lock and the second electromagnetic lock；
First electromagnetic lock is arranged on the fixed frame, and second electromagnetic lock is arranged in the protective door, institute
The first electromagnetic lock is stated to be electrically connected with the connecting terminal with second electromagnetic lock.
Preferably, the protective door is provided with electrification display lamp, and the electrification display lamp is electrically connected with the connecting terminal.
Preferably, the protective door is transparent material.
Preferably, the protective door has operation aperture；
When the fixed frame and the protective door form locking, the power switch of the operation aperture and the switchboard exists
It is opposite on position.
Preferably, the closedown structure specifically includes blocking coil and locking position, the blocking coil and the locking position
In one be arranged on the fixed frame, another be arranged in the protective door；
The blocking coil is electrically connected with the connecting terminal.
Preferably, the fixed frame is connect by rotation axis with the protective door.
Preferably, further includes: locating part；When the connecting terminal is not charged, the locating part is used for the protective door
It is limited in open state.
The application second aspect provides a kind of DC distributor, which includes times that above-mentioned first aspect provides
One connecting terminal protective device.
As can be seen from the above technical solutions, the embodiment of the present application has the advantage that
In the embodiment of the present application, a kind of connecting terminal protective device is provided, which includes fixed frame, the fixed frame
One end is fixedly mounted on switchboard, and the other end and protective door are rotatablely connected；In connecting terminal electrification, fixed frame and protective door
Between can be formed and be latched by closedown structure, protective door is locked in positioned at closed position, is obstructed in connecting terminal
Surface.
The connecting terminal protective device can be separately positioned on to two sets of high frequency switch powers of communication DC power supply system
Connecting terminal on, in this way, when carrying out dilatation, charge side terminal protective door and fixed frame closedown structure effect
Lower formation locking, obstructs between service personnel and live line connection terminal, even if service personnel takes at side terminal
In inspecting state, it is intended to overhaul the connecting terminal of the side, also due to the barrier of protective door can not operate side terminal,
So as to prevent service personnel's maloperation, the risk of whole station communication disruption is greatly reduced.
Detailed description of the invention
Fig. 1 is the front view of existing dual power supply DC distributor；
Fig. 2 is the circuit diagram of the communication DC power supply system of existing duplicate system retrofit；
Fig. 3 is the stereoscopic schematic diagram of the connecting terminal protective device in one embodiment provided by the present application；
Fig. 4 is the top view of connecting terminal protective device shown in Fig. 3；
Fig. 5 is the protective door of connecting terminal protective device shown in Fig. 3 side view in the open state；
Fig. 6 is the front view of the dual power supply DC distributor of mating connecting terminal protective device as shown in Figure 3.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only this
Apply for a part of the embodiment, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall in the protection scope of this application.
The embodiment of the present application provides a kind of connecting terminal protective device, solves and shares to two sets of high frequency switch powers
When the communication DC power supply system of a set of DC distributor carries out dilatation, it is easy to appear and accidentally unclamps the connecting terminal for running side,
The technical issues of causing whole transformer station communication all to be interrupted.
Communication DC power supply system is usually duplicate system retrofit, that is, is equipped with two sets of high frequency switch powers, reference can be made to Fig. 2,
Fig. 2 is the circuit diagram of the communication DC power supply system of existing duplicate system retrofit, and the first control switch 23 is passed through in the first input 21
After establish the first inlet highway, the second inlet highway is established in the second input 22 after the second control switch 24, and the first input is female
Line and the second inlet highway distribute a plurality of branch, and two branches are shown in figure, are the first branch 27 and the second branch respectively
28, branch output end respectively converges output after branch switch 25 and insulation blocking diode 26.
In order to make it easy to understand, referring to Fig. 3, Fig. 4 and Fig. 5, Fig. 3 is the terminals in one embodiment provided by the present application
The stereoscopic schematic diagram of sub- protective device, Fig. 4 are the top view of connecting terminal protective device shown in Fig. 3, and Fig. 5 is shown in Fig. 3
The protective door 302 of connecting terminal protective device side view in the open state, the device include: fixed frame 301, protective door
302 and closedown structure.
Wherein, one end of fixed frame 301 is fixedly mounted on switchboard, plays the work for fixing and supporting entire protective device
With since difference, matched fixed frame 301 can also carry out according to actual needs for the internal structures of different switchboards
Setting, as long as can play, to fix and support the component of the protective device all should be fixed frame 301 provided herein,
This is not especially limited.
The other end of fixed frame 301 is connect with protective door 302, specifically, can be between protective door 302 and fixed frame 301
It is rotation connection.The method for realizing rotation connection has very much, for example protective door 302 can carry out hingedly, utilizing with fixed frame 301
Hinge realizes rotation, protective door 302 can also be inserted into circle using locating piece by opening up circular hole in fixed frame 301
Rotation is realized in hole, it is of course also possible to turn as in the present embodiment by the setting in the junction of fixed frame 301 and protective door 302
Moving axis 401 rotates protective door 302 around rotation axis 401.
When connecting terminal electrification when, the connecting terminal connection high frequency switch power it is in the open state, if into
Row dilatation operation, then another set of high frequency switch power is in inspecting state, and service personnel's wrong diagnosis open shop side connects in order to prevent
Line terminals should be such that the protective door 302 of protective device is blocked between service personnel and live line connection terminal, and overhaul
Personnel fail to open protective door 302.
Specifically, can be made between fixed frame 301 and protective door 302 by closedown structure in connecting terminal electrification
Locking is formed, certainly, protective door 302 at this time is in close state, and barrier is on the surface of connecting terminal, i.e., barrier is in its operation
The one side of side.
It should be noted that the DC voltage of communication DC power supply system is lower, 48V or two kinds of 24V are generally included, are examined
Repairing personnel directly will not get an electric shock to the live line connection terminal progress hot line job of operation side, and therefore, protective door 302 can be used
The common insulating materials such as plastics；Certainly, if using protection provided by the present application on other higher switchboards of voltage level
Device, protective door 302 can select the better material of insulation performance according to actual needs.
In use, even if protective door 302 is contacted with connecting terminal surface in communication DC power supply system, the work of barrier
With still having, it is to be understood that, some spaces are preferably reserved between protective door 302 and connecting terminal, so that barriering effect is more
It is good.
There are many closedown structures for being capable of forming locking, for example can be mechanical latching, can be by closedown structure and wiring
The corresponding power switch setting linkage of terminal, when switching power turn-on, closedown structure linkage is latched protective door 302, and draws
When switch power supply switchs, closedown structure, which links, makes the locking contact of protective door 302；It is also possible to electric blocking, such as blocking coil
It can be made of blocking coil and locking position, both blocking coil and locking position are disposed on fixed frame 301 and protective door 302
On, blocking coil can be made to be electrically connected with connecting terminal, in connecting terminal electrification, blocking coil is acted, in blocking coil
Striker is caught in locking position and forms locking.
In the present embodiment, closedown structure can be electromagnetic lock locking, including the first electromagnetic lock 402 and the second electromagnetic lock
403, wherein the first electromagnetic lock 402 can be set on fixed frame 301, and the second electromagnetic lock 403 can be set in protective door 302
On, and it is electrically connected two electromagnetic locks with connecting terminal.In this way, in connecting terminal electrification, the first electromagnetic lock 402 and second
Electromagnetic lock 403 charges, and generates magnetic force between the two, and latch-up protection door 302 obstructs protective door 302 always in terminals sublist
Face, when connecting terminal is not charged, then the locking contact between protective door 302 and fixed frame 301, protective door 302 can be opened, wiring
Terminal exposes, and can be overhauled.
It should be noted that the first electromagnetic lock 402 and the second electromagnetic lock 403 should be arranged as close as possible at rotation connection,
Such as in the present embodiment, the one end of fixed frame 301 connecting with protective door 302, the second electromagnetism is arranged in the first electromagnetic lock 402
The one end of protective door 302 connecting with fixed frame 301 is arranged in lock 403, in this way, the distance between two electromagnetic locks are relatively close, from
And locking can be made more reliable.
Further, two electromagnetic locks can make its power supply directly with the side be electrically connected when being electrically connected with connecting terminal
It connects, is electrically connected indirectly with connecting terminal in this way, being equivalent to, but is more convenient in wiring.
Protective device provided by the embodiments of the present application is mounted in switchboard and carries out barrier protection with pair of wire connection terminals, but
Other than pair of wire connection terminals is operated, it is also required to visually pair of wire connection terminals when safeguarding to switchboard and examines
Look into, therefore protective door 302 can select transparent material, thus will not pair of wire connection terminals formation block, facilitate pair of wire connection terminals into
Row checks, reduces the hidden danger that connecting terminal such as loosens at the accidents.
In order to preferably play reminding effect to service personnel, electrification display lamp 304 can be set in protective door 302,
The electrification display lamp 304 should be electrically connected with connecting terminal, for the purposes of facilitating wiring, can also be electrically connected with the power supply of the side
It connects, so that electrification display lamp 304 can light, to remind service personnel's side terminal in the side terminal subband electricity
Son is in electriferous state.
Specifically, electrification display lamp 304 can use LED lamp, also, effect, the LED light are preferably reminded in order to have
The printed words of safe warning function can be set into, such as in the present embodiment, LED light is the LED light of " having electricity not touch " printed words.
In view of connecting terminal may nearby be provided with the Operation switch of power supply, in the dual power supply of communication DC power supply system
In DC distributor, the case where the two sides that may there is the power switch of two sets of high frequency switch powers to be located at connecting terminal, such as
Shown in Fig. 1, the first power switch 103, the connecting terminal 102 of second source are provided on the left of the connecting terminal 101 of the first power supply
Right side is provided with second source switch 104, at this point, protective door 302 may also form resistance when being latched closing to power switch
Every making troubles operator, therefore, operation aperture 303 can be arranged in protective door 302, which should
It is arranged on the corresponding position of power switch, to charge in connecting terminal, protective door 302 and fixed frame 301 are formed when being latched,
The operation of power switch will not be formed and be obstructed.
Refer to Fig. 6, the dual power supply common DC distribution of Fig. 6 be mating connecting terminal protective device as shown in Figure 3
The front view of screen.
When connecting terminal is not charged, lock release between protective door 302 and fixed frame 301, protective door 302 can be from
Closed state open, service personnel can pair of wire connection terminals overhaul.But in upkeep operation, protective door 302 may be due to
It the reasons such as accidentally touches to be re-closing off, in order to facilitate the operation of service personnel's pair of wire connection terminals, can be arranged for protective door 302
Protective door 302 can be limited in the opening state of certain aperture when connecting terminal is not charged by the locating part of one open state
State provides certain convenience for the operation of operator.
A kind of connecting terminal protective device provided in the embodiment of the present application is matched when the connecting terminal protective device is mating
When the connecting terminal of electric screen, can the connecting terminal charge when formed locking, make protective door barrier service personnel with connect
Between line terminals, prevent service personnel from accidentally operating to running side terminal；Especially power to communication DC
When system carries out dilatation, a set of power supply is in inspecting state, and whole station maintains communication by another set of power supply, at this point, if two sets high
The mating connecting terminal protective device provided by the present application of the connecting terminal of frequency Switching Power Supply, then charge side terminal and obtain
The barrier of protective door, even if service personnel takes for side terminal and is in inspecting state, be intended to the connecting terminal of the side into
Row maintenance, also due to the barrier of protective door can not operate side terminal, so as to prevent service personnel's maloperation, greatly
The risk of whole station communication disruption is reduced greatly.
The embodiment of the present application also provides a kind of DC distributor, which includes above-mentioned any wiring
Device for protection of terminal specifically refers to above description, and details are not described herein.
The description of the present application and term " first " in above-mentioned attached drawing, " second ", " third ", " the 4th " etc. are (if deposited
) it is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that use in this way
Data are interchangeable under appropriate circumstances, so that embodiments herein described herein for example can be in addition to illustrating herein
Or the sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units need not limit
In step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, produce
The other step or units of product or equipment inherently.
It should be appreciated that in this application, " at least one (item) " refers to one or more, and " multiple " refer to two or two
More than a."and/or" indicates may exist three kinds of relationships, for example, " A and/or B " for describing the incidence relation of affiliated partner
It can indicate: only exist A, only exist B and exist simultaneously tri- kinds of situations of A and B, wherein A, B can be odd number or plural number.Word
Symbol "/" typicallys represent the relationship that forward-backward correlation object is a kind of "or"." at least one of following (a) " or its similar expression, refers to
Any combination in these, any combination including individual event (a) or complex item (a).At least one of for example, in a, b or c
(a) can indicate: a, b, c, " a and b ", " a and c ", " b and c ", or " a and b and c ", and wherein a, b, c can be individually, can also
To be multiple.
The above, above embodiments are only to illustrate the technical solution of the application, rather than its limitations；Although referring to before
Embodiment is stated the application is described in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution.
Claims (9)
1. a kind of connecting terminal protective device characterized by comprising fixed frame, protective door and closedown structure；
One end of the fixed frame is fixedly mounted on switchboard, and the other end and the protective door are rotatablely connected；
When connecting terminal charges, the fixed frame and the protective door are formed by the closedown structure and are latched, the protective door
It is in close state, obstructs in the surface of the connecting terminal.
2. connecting terminal protective device according to claim 1, which is characterized in that the closedown structure specifically includes first
Electromagnetic lock and the second electromagnetic lock；
First electromagnetic lock is arranged on the fixed frame, and second electromagnetic lock is arranged in the protective door, and described the
One electromagnetic lock is electrically connected with the connecting terminal with second electromagnetic lock.
3. connecting terminal protective device according to claim 2, which is characterized in that the protective door is provided with electrification display
Lamp, the electrification display lamp are electrically connected with the connecting terminal.
4. connecting terminal protective device according to claim 3, which is characterized in that the protective door is transparent material.
5. connecting terminal protective device according to claim 4, which is characterized in that the protective door has operation aperture；
When the fixed frame and the protective door form locking, the power switch of the operation aperture and the switchboard is in position
It is upper opposite.
6. connecting terminal protective device according to claim 1, which is characterized in that the closedown structure specifically includes locking
One in coil and locking position, the blocking coil and the locking position is arranged on the fixed frame, another setting exists
In the protective door；
The blocking coil is electrically connected with the connecting terminal.
7. connecting terminal protective device according to claim 1, which is characterized in that the fixed frame passes through rotation axis and institute
State protective door connection.
8. connecting terminal protective device according to claim 1, which is characterized in that further include: locating part；The terminals
When son is not charged, the locating part is used to the protective door being limited in open state.
9. a kind of DC distributor, which is characterized in that including the described in any item connecting terminal protective devices of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821374626.9U CN208522253U (en) | 2018-08-24 | 2018-08-24 | A kind of connecting terminal protective device and DC distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821374626.9U CN208522253U (en) | 2018-08-24 | 2018-08-24 | A kind of connecting terminal protective device and DC distributor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208522253U true CN208522253U (en) | 2019-02-19 |
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ID=65334277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821374626.9U Active CN208522253U (en) | 2018-08-24 | 2018-08-24 | A kind of connecting terminal protective device and DC distributor |
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| Country | Link |
|---|---|
| CN (1) | CN208522253U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066315A (en) * | 2018-08-24 | 2018-12-21 | 广东电网有限责任公司 | A kind of connecting terminal protective device and DC distributor |
-
2018
- 2018-08-24 CN CN201821374626.9U patent/CN208522253U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066315A (en) * | 2018-08-24 | 2018-12-21 | 广东电网有限责任公司 | A kind of connecting terminal protective device and DC distributor |
| CN109066315B (en) * | 2018-08-24 | 2024-05-03 | 广东电网有限责任公司 | Binding post protection device and direct current distribution panel |
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