CN209200509U - A kind of release unit and its loop-network switch cabinet of loop-network switch cabinet - Google Patents
A kind of release unit and its loop-network switch cabinet of loop-network switch cabinet Download PDFInfo
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- CN209200509U CN209200509U CN201822260968.4U CN201822260968U CN209200509U CN 209200509 U CN209200509 U CN 209200509U CN 201822260968 U CN201822260968 U CN 201822260968U CN 209200509 U CN209200509 U CN 209200509U
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- loop
- network switch
- switch cabinet
- release unit
- installation
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Abstract
The utility model discloses a kind of release unit of loop-network switch cabinet and its loop-network switch cabinets, including shell, driving structure, electric installation and bus connecting device, installation room and arc-chutes are equipped in shell, bus connecting device includes taking shape in installation room bottom and backwards to two installation accents for extending set distance, with two plug-in and pull-out devices being mounted in two installation accents, and it is flexibly connected the flexible connection structure of moved end conducting rod, the both ends of flexible connection structure are cooperatively connected with two plug-in and pull-out devices respectively, using the technical program, bus is penetrated in loop-network switch cabinet by connect-disconnect plug and the direct grafting of plug-in and pull-out device, realize the distribution of breaker, it is easy to connect, reduce breaker volume, simplify connection structure, shorten connection distance, reduce integral installation space, and then reduce switchgear volume, eliminate the installation of the electric fittings such as bus tie , production cost is saved in this way, is advantageously implemented the miniaturization of loop-network switch cabinet.
Description
Technical field
The utility model relates to ring network cabinet technical fields, and in particular to a kind of release unit and its ring of loop-network switch cabinet
Net switchgear.
Background technique
Ring network cabinet is that one group of transmission & distribution electrical equipment is mounted in metal or non-metallic insulation cabinet body or is made into assembled compartment ring
Net power supply unit electrically sets looped network, i.e. supply main forms the annular being closed, and ring main is exactly to be opened by every looped network
The bus for closing cabinet, which connects, to be collectively constituted, and power supply is powered to this ring main, then from main line all the way
By the outside distribution of high-voltage switch gear, such benefit is that each distribution branch not only can take power supply from its left side main line, but also
Power supply can be taken from its right side main line.
Now on the market using it is relatively broad be a kind of gas isolated loop-network switch cabinet, have good arc-extinguishing
Can, this loop-network switch cabinet includes cabinet body, and sealed chamber, control room and current transformer room and operation machine are provided in cabinet body
Structure is equipped with the electrical equipments such as bus tie, breaker and on-load switch in sealed chamber.It is required according to power transmission and distribution, Duo Gehuan
Connection is generally adopted by bus and is correspondingly connected with bus tie between net switchgear, i.e., matches on each loop-network switch cabinet
There is bus tie, first by bus-bar compression joint to the bus tie of loop-network switch cabinet for needing to connect, then bus tie
The pole port for connecting breaker by bus casing again, realizes each ring network cabinet distribution.According to the above structure, it can be seen that, existing
Having loop-network switch cabinet, there are still following problems when in use: the quantity that 1. loop-network switch cabinets are used cooperatively is more, all uses bus
Connector connection, significantly increases production cost in this way；2. existing circuit breaker polar is made very high and volume is again very big,
Bus will connect breaker and then have to pass through bus tie and bus casing and can realize, connection structure is complicated, mounting distance
Long, the whole installation space that occupies is big, and then increases cabinet body volume, is unfavorable for realizing the small compact development of loop-network switch cabinet.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcome the breaking body of loop-network switch cabinet in the prior art
Product is big, and bus will could be connect by bus tie and bus casing with breaker, and connection structure is complicated, whole to occupy installation
Space is big, increases cabinet body volume, is unfavorable for realizing between the small compact development and loop-network switch cabinet of loop-network switch cabinet all
The problem of being connected using bus tie, increasing production cost.
In order to solve the above technical problems, the utility model provides a kind of release unit of loop-network switch cabinet, comprising:
Shell, including forming the arc-chutes installing room in it and being connected to below the installation room；
Driving structure is set to the installation room, and is driven by the operating mechanism in loop-network switch cabinet；
Electric installation, it is described dynamic including the opposite moved end conducting rod being arranged in the arc-chutes and static side conducting rod
One end that end conducting rod stretches out the arc-chutes is connect with the driving structure, and the driving structure drives described dynamic when being driven
End conducting rod contacts conduction with the static side conducting rod in the arc-chutes or separates power-off；
Bus connecting device, including taking shape in the installation room bottom and backwards to two installation cavitys for extending set distance
Mouthful, and two plug-in and pull-out devices being mounted in two installation accents, and be electrically connected with one end of the moved end conducting rod
Flexible connection structure, the both ends of the flexible connection structure are cooperatively connected with two plug-in and pull-out devices respectively, at least one described installation
Accent is correspondingly arranged in the wiring window of loop-network switch cabinet, and the connection-peg cooperation that the plug-in and pull-out device is used to be connected with bus is inserted
It connects.
As a preferred embodiment, the plug-in and pull-out device includes the plug seat with socket, and is arranged on the plug seat
Inner core terminal, the inner core terminal along it is described installation accent the axially extending connection flexible connection structure.
As a preferred embodiment, the flexible connection structure is by several copper stranded conductor welding fabrications, and is movably threaded through
On one end of the moved end conducting rod.
As a preferred embodiment, the moved end conducting rod has the moving contact being arranged in arc-chutes, and the static side is led
Electric pole have be arranged in arc-chutes with the moving contact relative to static contact
As a preferred embodiment, the driving structure is insulated pull rod, and described insulated pull rod one end connects the operation
Mechanism, the other end connect one end of the moved end conducting rod.
As a preferred embodiment, the other end molding of the insulated pull rod is fluted, and the groove is led with the moved end
Pressure spring is provided between electric pole, described pressure spring one end is arranged in groove, and the other end is set in moved end conducting rod and circumferentially forms
Boss on.
As a preferred embodiment, the shell is by epoxy resin one moulding by casting.
The utility model also provides a kind of loop-network switch cabinet, the open circuit including cabinet body, operating mechanism and any of the above-described
Device device, the release unit are mounted in the cabinet body, and the operating mechanism drives the breaker by insulated pull rod
The dynamic and static contact of device or separation, the cabinet body back side, which corresponds to the release unit and offers, is suitble to connection bus
Wiring window, the release unit have the bus connecting device being arranged in the wiring window.
As a preferred embodiment, control room, sealed chamber, mechanism chamber and cable vault are provided in the cabinet body, it is described disconnected
Road device device is made of three vacuum circuit breakers for being installed on the sealed chamber.
The above-mentioned technical proposal of the utility model has the advantage that compared with prior art
1. in the release unit of loop-network switch cabinet provided by the utility model, by the way that bus is arranged on release unit
Attachment device, bus connecting device include back to be extended in installation room bottom two installation accents, and be arranged installing
Two plug-in and pull-out devices in accent, and the flexible connection structure being connect with two plug-in and pull-out devices, flexible connection structure movably with moved end
The electrical connection of conducting rod one end is cooperatively connected reliable, and design is advantageous in that in this way, and bus penetrates loop-network switch cabinet from wiring window
It is interior, it can be directly inserted into one of plug-in and pull-out device by common connect-disconnect plug, realize the inlet wire distribution of breaker, connection side
Just, breaker volume can be not only reduced, but also avoids the connection type using bus tie and bus casing, simplifies connection structure,
Shorten connection distance, reduces integral installation space, and then reduce switchgear volume, and the bus between ring network cabinet passes through open circuit
Bus connecting device on device device realizes connection, eliminates the installation of the electric fittings such as bus tie, is greatly saved in this way
Production cost is advantageously implemented the small compact development of loop-network switch cabinet, promotes product service performance.
2. in the release unit of loop-network switch cabinet provided by the utility model, the plug-in and pull-out device includes having inserting for socket
Seat is pulled out, and the inner core terminal being arranged on the plug seat, this structure setting, the inner core terminal is along the installation accent
The axially extending connection flexible connection structure, realize back to two plug-in and pull-out devices between connect, only need to be by the connect-disconnect plug of bus
With being inserted into plug seat, bus bar connection can be realized, installation strength is big, no longer needs to carry out bus-bar compression joint operation, installation
It is convenient, it is cooperatively connected reliable, improves installation effectiveness.
3. in loop-network switch cabinet provided by the utility model, being provided with release unit as described above, thus have naturally
There are all advantages of bring due to above-mentioned release unit is set, the wiring of connection bus is suitble to by offering at the cabinet body back side
Window is provided with bus connecting device, this structure setting in wiring window, and bus directly can be linked into institute by wiring window
It states on bus connecting device, i.e., bus penetrates into the plug-in and pull-out device of bus connecting device, and installation connection is convenient, and it is easy to operate, i.e.,
It realizes the distribution of breaker, and realizes the looped network main linely connected power sup ply of loop-network switch cabinet, significantly reduce be produced into this way
This, design rationally, is cooperatively connected reliable.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described.
Fig. 1 is the planar structure schematic diagram of the release unit of loop-network switch cabinet provided by the utility model；
Fig. 2 is the schematic diagram of the section structure of release unit shown in Fig. 1；
Fig. 3 is the release unit of the utility model and the mounting structure schematic diagram of operating mechanism；
Fig. 4 is the release unit and loop-network switch cabinet mounting structure schematic diagram of the utility model；
Description of symbols: 1- shell, 11- installation room, 12- arc-chutes, 2- driving structure, 21- groove, 3- are led moved end
Electric pole, 4- static side conducting rod, 5- bus connecting device, 51- install accent, 52- plug-in and pull-out device, and 521- plugs seat, 522- inner core end
Son, 53- flexible connection structure, 6- pressure spring, 7- operating mechanism, 8- cabinet body, 81- wiring window.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment 1
The utility model provides a kind of release unit of loop-network switch cabinet as shown in Figs 1-4, comprising:
Shell 1, including forming the arc-chutes 12 installing room 11 in it and being connected to below installation room；
Driving structure 2 is set to the installation room 11, and is driven by the operating mechanism in loop-network switch cabinet；
Electric installation, including opposite the moved end conducting rod 3 and static side conducting rod 4 that are arranged in the arc-chutes 12, institute
It states moved end conducting rod 3 and stretches out one end of the arc-chutes and connect with the driving structure 2, the band when driving structure 2 is driven
The moved end conducting rod 3 is moved to contact conduction in the arc-chutes 12 with the static side conducting rod 4 or separate power-off；
Bus connecting device 5, two installations including taking shape in installation 11 bottom of room and backwards to set distance is extended
Accent 51, and two plug-in and pull-out devices 52 being mounted in two installation accents 51, and one end with the moved end conducting rod 3
The flexible connection structure 53 of electrical connection, the both ends of the flexible connection structure 53 are cooperatively connected with two plug-in and pull-out devices 52 respectively, until
A few installation accent 51 is correspondingly arranged in the wiring window of loop-network switch cabinet, and the plug-in and pull-out device 52 is used for and bus phase
Connection-peg even cooperates grafting.
Above embodiment is the core technology scheme of the present embodiment, connects dress by the way that bus is arranged on release unit
5 are set, bus connecting device 5 installs flexible connection structure accent 51, two plug-in and pull-out devices 52 and connect with two plug-in and pull-out devices by two
53 compositions, two installation accents 51, backwards to being extended, guarantee link position consistency, are flexible coupling in shell sustained height position
Structure 53 is movably electrically connected with moved end conducting rod one end, has preferable flexibility and electric conductivity, is cooperatively connected reliable, this
Sample design is advantageous in that bus penetrates in loop-network switch cabinet from wiring window, can be directly inserted into it by connect-disconnect plug
In in a plug-in and pull-out device, realize the inlet wire distribution of release unit, it is easy to connect, can not only reduce breaker volume, but also avoid adopting
With the connection type of bus tie and bus casing, simplify connection structure, shorten connection distance, reduce integral installation space,
And then reduce switchgear volume, and the bus between ring network cabinet is realized by the bus connecting device on release unit and connected
It connects, eliminates the installation of the electric fittings such as bus tie, production cost is greatly saved in this way, is advantageously implemented loop-network switch cabinet
Small compact development, promoted product service performance.
Made according to above embodiment further preferably, as shown in Fig. 2, the plug-in and pull-out device 52 includes the plug with socket
Seat 521, and the inner core terminal 522 being arranged on the plug seat 521, the inner core terminal 522 is along the installation accent 51
The axially extending connection flexible connection structure 53, further, the flexible connection structure 53 by several copper stranded conductor welding fabrications, and
It is movably threaded through on one end of the moved end conducting rod 3, can be moved up and down with the moved end conducting rod 3, have and bear electricity
The features such as stream is big, and resistance value is small, durable, this structure setting, realize back to two plug-in and pull-out devices 52 between connect, only need
The connect-disconnect plug matching of bus is inserted into plug seat, being fastenedly connected for bus can be realized, installation strength is big, no longer needs to carry out
Bus-bar compression joint operation, it is easy for installation, it is cooperatively connected reliable, improves installation effectiveness.
In the present embodiment, described as shown in Fig. 2, the moved end conducting rod 3 has the moving contact being arranged in arc-chutes
Static side conducting rod 4 have be arranged in arc-chutes with the moving contact relative to static contact (moving contact and static contact are in figure
Do not show), the arc-chutes are preferably vacuum interrupter.Specifically, the driving structure 2 is for transmission force and movement insulation
Pull rod, described insulated pull rod one end connect the operating mechanism 7, and the other end connects one end of the moved end conducting rod 3, works as insulation
Pull rod is driven when moving up and down along its axial direction, can drive moving contact in release unit and static contact contact or separation,
Realize the breaking-closing operating of release unit, operation is reliable in time.
As shown in Figs. 1-2, the other end molding fluted 21 of the insulated pull rod, the groove 21 and the moved end are conductive
Be provided with pressure spring 6 between bar 3, described 6 one end of pressure spring is arranged in groove, the other end be set in moved end conducting rod 3 circumferentially at
On the boss of type, to provide elastic force for moved end conducting rod, guarantee contact pressure, reduce wiper resistance, make dynamic and static contact it
Between keep reliable contacts.
The shell 1 can thus make arc-chutes by epoxy resin one moulding by casting as a preferred implementation manner,
It is integrally cast in the shell 1, can remove inside cast product and the air gap and bubble on surface, reduction internal stress are prevented
The effect only cracked, moreover, this epoxy resin has dielectric properties, mechanical property, Optical instrument, corrosion resisting property excellent
It is different, the advantages that good stability of the dimension, good manufacturability, comprehensive performance is good.
Embodiment 2
The present embodiment provides a kind of loop-network switch cabinets, as shown in Figure 3-4, including cabinet body 8, are equipped with behaviour in the cabinet body 8
Make mechanism 7 and release unit as described in Example 1, wherein A indicates that release unit, the operating mechanism 7 pass through exhausted
Edge pull rod drives dynamic and static contact or the separation of the release unit, and 8 back side of cabinet body corresponds to the release unit
The wiring window 81 for being suitble to connection bus is offered, the bus connection of the release unit is provided in the wiring window 13
Device 5.In above embodiment, according to being provided with release unit described in embodiment 1 in loop-network switch cabinet, thus it is natural
Have the advantages that due to above-mentioned release unit is set bring all, further, bus can directly be connect by wiring window 81
Enter onto the bus connecting device 5, i.e., bus penetrates into the plug-in and pull-out device of bus connecting device, and installation connection is convenient, operation
It is convenient, that is, it realizes the distribution of breaker, and realize the looped network main linely connected power sup ply of loop-network switch cabinet, significantly reduces in this way
Production cost, design rationally, are cooperatively connected reliable.
It is further preferred that being provided with control room, sealed chamber, mechanism chamber and cable vault, the breaker in the cabinet body 8
Device is made of three vacuum circuit breakers for being installed on the sealed chamber, is equipped in loop-network switch cabinet for driving vacuum circuit breaker
The operating mechanism 7 of device divide-shut brake movement, the vacuum circuit breaker mainly include insulated pull rod, vacuum interrupter and are arranged in vacuum
Moved end conducting rod 3 and static side conducting rod 4 in arc-chutes, insulated pull rod are separately positioned on three vacuum circuit breakers, and
It is linked with the moved end conducting rod inside the vacuum circuit breaker, i.e., insulated pull rod connects the operating mechanism 7 and described dynamic
Conducting rod 3 is held, the breaking-closing operating of the vacuum circuit breaker is reliably achieved, to be switched on or switched off control loop.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among the protection scope created still in the utility model.
Claims (9)
1. a kind of release unit of loop-network switch cabinet characterized by comprising
Shell (1), including forming the arc-chutes (12) installing room (11) in it and being connected to below installation room；
Driving structure (2) is set to the installation room (11), and is driven by the operating mechanism in loop-network switch cabinet；
Electric installation, including the opposite moved end conducting rod (3) being arranged in the arc-chutes (12) and static side conducting rod (4),
One end that the moved end conducting rod (3) stretches out the arc-chutes is connect with the driving structure (2), driving structure (2) quilt
The moved end conducting rod (3) is driven to contact conductive or divide in the arc-chutes (12) with the static side conducting rod (4) when driving
Detachment electricity；
Bus connecting device (5), two installations including taking shape in installation room (11) bottom and backwards to set distance is extended
Accent (51), and be mounted on two it is described installation accent (51) in two plug-in and pull-out devices (52), and with the moved end conducting rod
(3) one end electrical connection flexible connection structure (53), the both ends of the flexible connection structure (53) respectively with two plug-in and pull-out devices
(52) it is cooperatively connected, at least one described installation accent (51) is correspondingly arranged in the wiring window of loop-network switch cabinet, described to insert
It pulls out the connection-peg of device (52) for being connected with bus and cooperates grafting.
2. a kind of release unit of loop-network switch cabinet according to claim 1, it is characterised in that: plug-in and pull-out device (52) packet
Include the plug seat (521) with socket, and inner core terminal (522) of the setting on plug seat (521), the inner core terminal
(522) along the axially extending connection flexible connection structure (53) of installation accent (51).
3. a kind of release unit of loop-network switch cabinet according to claim 2, it is characterised in that: the flexible connection structure
(53) it by several copper stranded conductor welding fabrications, and is movably threaded through on one end of the moved end conducting rod (3).
4. a kind of release unit of loop-network switch cabinet according to claim 3, it is characterised in that: the moved end conducting rod
(3) there is the moving contact being arranged in arc-chutes, the static side conducting rod (4), which has, to be arranged in arc-chutes and the moving contact
Relative to static contact.
5. a kind of release unit of loop-network switch cabinet according to claim 1, it is characterised in that: the driving structure (2)
For insulated pull rod, described insulated pull rod one end connects the operating mechanism, and the other end connects the one of the moved end conducting rod (3)
End.
6. a kind of release unit of loop-network switch cabinet according to claim 5, it is characterised in that: the insulated pull rod it is another
One end forms fluted (21), is provided with pressure spring (6), the pressure spring between the groove (21) and the moved end conducting rod (3)
(6) one end is arranged in groove, and the other end is set in moved end conducting rod circumferentially on molding boss.
7. a kind of release unit of loop-network switch cabinet described in any one of -6 according to claim 1, it is characterised in that: the shell
Body (1) is by epoxy resin one moulding by casting.
8. a kind of loop-network switch cabinet, it is characterised in that: including any in cabinet body (8), operating mechanism (7) and claim 1-7
Release unit described in, the release unit are mounted in the cabinet body (8), and the operating mechanism (7) passes through insulation
Pull rod drives dynamic and static contact or the separation of the release unit, and cabinet body (8) back side corresponds to the release unit
The wiring window (81) for being suitble to connection bus is offered, the bus of the release unit is provided in the wiring window (81)
Attachment device (5).
9. a kind of loop-network switch cabinet according to claim 8, it is characterised in that: be provided in the cabinet body (8) control room,
Sealed chamber, mechanism chamber and cable vault, the release unit are made of three vacuum circuit breakers for being installed on the sealed chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822260968.4U CN209200509U (en) | 2018-12-30 | 2018-12-30 | A kind of release unit and its loop-network switch cabinet of loop-network switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822260968.4U CN209200509U (en) | 2018-12-30 | 2018-12-30 | A kind of release unit and its loop-network switch cabinet of loop-network switch cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN209200509U true CN209200509U (en) | 2019-08-02 |
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ID=67430831
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822260968.4U Active CN209200509U (en) | 2018-12-30 | 2018-12-30 | A kind of release unit and its loop-network switch cabinet of loop-network switch cabinet |
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| CN (1) | CN209200509U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114678777A (en) * | 2020-12-24 | 2022-06-28 | 上海良信电器股份有限公司 | Circuit breaker plug device and switch board |
-
2018
- 2018-12-30 CN CN201822260968.4U patent/CN209200509U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114678777A (en) * | 2020-12-24 | 2022-06-28 | 上海良信电器股份有限公司 | Circuit breaker plug device and switch board |
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