CN207442238U - A kind of sealing structure, ring main unit and the distribution system of looped network cabinet wire cable - Google Patents
A kind of sealing structure, ring main unit and the distribution system of looped network cabinet wire cable Download PDFInfo
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- CN207442238U CN207442238U CN201721635767.7U CN201721635767U CN207442238U CN 207442238 U CN207442238 U CN 207442238U CN 201721635767 U CN201721635767 U CN 201721635767U CN 207442238 U CN207442238 U CN 207442238U
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- wire cable
- housing
- looped network
- network cabinet
- main unit
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Abstract
The utility model discloses a kind of sealing structure, ring main unit and the distribution systems of looped network cabinet wire cable, belong to intelligent power equipment technical field.It includes bottom plate, and entrance hole is offered on bottom plate, and the surrounding of the entrance hole is provided with housing, through hole is offered above housing, inlet wire cable is penetrated by entrance hole and is pierced by from through hole, and sealing plate and sealant are equipped between inlet wire cable and housing.The utility model carries out Seal treatment using sealing plate and sealant to the gap between inlet wire cable and entrance hole; Intelligent dehumidifying device need not be added; production cost is saved; in addition the installation of inlet wire cable is not on the one hand influenced; vapor in another aspect melt pit is completely cut off completely; it reduces vapor and dew condensation phenomenon occurs in ring main unit, effectively protect the component in ring main unit without damage, ensure the normal work of ring main unit.
Description
Technical field
The utility model belongs to intelligent power equipment technical field, more specifically to a kind of looped network cabinet wire cable
Sealing structure, ring main unit and distribution system.
Background technology
Ring main unit is one group of transmission ＆ distribution electrical equipment (high-tension switch gear) in metal or non-metallic insulation cabinet or does
Into the electrical equipment of assembled compartment ring network power distribution unit, core uses on-load switch and fuse, distributiong main
The annular of a closure is formed, power distribution is pressed off by height all the way again to this ring main distribution from main line
Outside distribution is closed, each distribution branch can not only take power supply from the left side main line of looped network, but also can be taken from main line on the right side of looped network
Power supply, when left side, main line is out of order, and just the main line from right side continues to obtain distribution to looped network, and when right side main line is out of order, ring
Just from left side, main line continues to obtain distribution net, although general supply is single channel distribution, two-way is obtained from each distribution branch
Distribution, the reliability of distribution is high, therefore it is widely used in Urban Residential District, skyscraper, large public building, factory
In the power distribution station and box-type substation of the load centers such as enterprise.
Cable is introduced by tunnel in ring main unit at present so that and it is a melt pit below ring main unit, ring main unit bottom
Long cable section of ingoing line mouth is provided with, is worn in order to facilitate the installation of, the diameter of incoming line is more than the outer diameter of cable, after cable passes through incoming line,
Leave gap, the vapor in melt pit is entered by gap generates condensation in ring main unit, condensation can cause a series of problem：
1) electrical equipment gets rusty, and causes rotating part failure when performing work；2) after electrical equipment seriously makes moist, it be easy to cause electrical
Breakdown or insulation decline, and generate security risk；3) electrical equipment seriously makes moist for a long time, can make to contact not at the electrical connection of equipment
It is good, it occurrence of equipment tripping or is tampered when performing Electrified Transmission.
In order to solve the problem above-mentioned, at present mostly by the way of there are two types of：(1) by designing ring main unit, dehumidifying is added
Device/mechanism and humidity detector/mechanism, such as a kind of intelligent ring main unit disclosed in Chinese patent CN201610012409.4
Condensation eliminates system；A kind of anti-condensation system of ring main unit disclosed in Chinese patent CN201410542936.7；Chinese patent
A kind of anti-condensation ring main unit disclosed in CN201710225180.7；A kind of looped network disclosed in Chinese patent CN201510364623.1
Cabinet condensation-preventing device；Above-mentioned several ways mainly by intelligent control, are monitored the humidity in ring main unit and temperature,
So as to solve the condensation problem in ring main unit, but increase corresponding device or component or mechanism, on the one hand add and be produced into
This, on the other hand since ring main unit inner space is small, increases these components and so that circuit is more crowded, not easy to overhaul；(2) lead to
It crosses and the bottom of ring main unit is sealed, prevent from entering vapor, such as Chinese patent CN201611138126.0 from entrance hole
Disclosed a kind of anti-dewfall structure and with its ring main unit, which carrys out sealed bottom only with one block of plate, and vapor is still
It can enter along gap, not have anti-condensation effect at all.
The content of the invention
1. it to solve the problems, such as
It is entered for existing vapor by inlet wire interporal lacuna and condensation is generated in ring main unit, ring main unit is caused to occur a series of
The problem of hidden danger, the utility model provide a kind of sealing structure of looped network cabinet wire cable, can realize to ring main unit
Bottom carry out it is hermetically sealed, the vapor in melt pit is completely cut off completely, effectively protect ring main unit in component it is without damage.
The another object of the utility model is to provide the ring main unit of the sealing structure with above-mentioned looped network cabinet wire cable, additionally provides one
Distribution system of the kind with the ring main unit.
2. technical solution
To solve the above-mentioned problems, technical solution is as follows used by the utility model：
The sealing structure of the looped network cabinet wire cable of the utility model including bottom plate, entrance hole is offered on bottom plate, in institute
The surrounding for stating entrance hole is provided with housing, and through hole is offered above housing, and inlet wire cable is penetrated by entrance hole and is pierced by from through hole,
Sealing plate and sealant are equipped between inlet wire cable and housing.
In a kind of possible embodiment of the utility model, the section of the housing is rounded, circular shell and inlet wire
Hole is arranged concentrically, and circular shell internal diameter is more than the diameter 3-5mm of entrance hole.
In a kind of possible embodiment of the utility model, the through hole of the housing is threaded hole, and is combined with spiral cover.
In a kind of possible embodiment of the utility model, at least one injection orifice is preset on the housing, is injected
The diameter in hole and the internal diameter ratio of circular shell are 1：(20-30).
In a kind of possible embodiment of the utility model, the sealing plate includes the first half sealing plates and the second half sealing plates,
It is provided with slot on the first half sealing plates, be provided with inserted link on the second half sealing plates coordinates with slot, the first half sealing plates and the second half envelopes
Plate is spliced into full circle.
In a kind of possible embodiment of the utility model, the sealing plate is plastic plate, cardboard, PVC board or plank.
In a kind of possible embodiment of the utility model, the sealant is filled in shape in housing for expanded material
Into.
In a kind of possible embodiment of the utility model, shown housing is removably mounted on bottom plate.
The utility model additionally provides a kind of ring main unit, includes the sealing structure of above-mentioned looped network cabinet wire cable.
The utility model additionally provides a kind of distribution system, including above-mentioned ring main unit.
3. advantageous effect
Compared with the prior art, the beneficial effects of the utility model are：
(1) sealing structure of the looped network cabinet wire cable of the utility model, using sealing plate and sealant to inlet wire cable and
Gap between entrance hole carries out Seal treatment, without adding Intelligent dehumidifying device, has saved production cost, in addition on the one hand not shadow
Ring the installation of inlet wire cable, the vapor in another aspect melt pit is completely cut off completely, is reduced vapor and is occurred to coagulate in ring main unit
Reveal phenomenon, effectively protect the component in ring main unit without damage, ensure the normal work of ring main unit；
(2) sealing structure of the looped network cabinet wire cable of the utility model forms a chamber between housing and bottom plate,
Inlet wire cable is passed through by chamber, then the foam-injection material in chamber, convenient for the sizing of expanded material so that sealing structure is more
Add beauty；
(3) sealing structure of the looped network cabinet wire cable of the utility model is combined with spiral cover on housing, which solves hair
Foam material can constantly increase to overflow housing in use, spiral cover can further seal housing after foaming
Mouthful, expanded material is avoided to overflow；
(4) sealing structure of the looped network cabinet wire cable of the utility model when mounted, first can directly cover spiral cover
On, then by injection orifice foam-injection material, it is more advantageous to the sizing of expanded material；
(5) sealing structure of the looped network cabinet wire cable of the utility model, sealing plate is using the first half sealing plates and the second half
Sealing plate is spliced, and on the one hand solves the problems, such as that housing upper through hole is too small, and half sealing plate of two plates can readily be put
Enter in housing；On the other hand the first half sealing plates and the second half sealing plates pass through clamping, inlet wire cable installation rapid and convenient；
(6) sealing structure of the looped network cabinet wire cable of the utility model, housing are removably mounted on bottom plate,
When inlet wire cable needs replacing or inlet wire cable moves, it is necessary to remove sealing structure, work efficiency can be so improved；
(7) the utility model is simple in structure, and design is reasonable, easily fabricated.
Description of the drawings
The technical solution of the utility model is described in further detail below with reference to drawings and examples, still
It should be known that these attached drawings only design for task of explanation, therefore not as the restriction of the scope of the utility model.In addition,
Unless otherwise indicated, these attached drawings are meant only to conceptually illustrate structure construction described herein, without to carry out to scale
It draws.
Fig. 1 is the structure diagram of the sealing structure of the utility model looped network cabinet wire cable；
Fig. 2 is the utility model use state diagram；
Fig. 3 is the utility model closing plate structure schematic diagram.
In figure：1st, bottom plate；110th, entrance hole；2nd, housing；210th, spiral cover；220th, injection orifice；3rd, sealing plate；310th, the first half envelopes
Plate；320th, the second half sealing plates；311st, slot；321st, inserted link；4th, sealant；5th, inlet wire cable；6th, ring main unit.
Specific embodiment
Hereafter to the detailed description of the exemplary embodiment of the utility model with reference to attached drawing, which forms the one of description
Part shows the enforceable exemplary embodiment of the utility model as example in the figure.Although these exemplary realities
Example is applied to be described in sufficient detail so that those skilled in the art can implement the utility model, it is to be understood that it can be realized
His embodiment and can various changes can be made to the utility model in the case where not departing from the spirit and scope of the utility model.Hereafter
Required the scope of the utility model is not limited to the more detailed description of the embodiment of the utility model, and only
The characteristics of in order to be illustrated and not limit to the utility model and the description of feature, to propose to perform the utility model
Best mode, and be sufficient so that those skilled in the art and can implement the utility model.Therefore, the scope of the utility model only by
Appended claims limit.
Hereafter the detailed description to the utility model and example embodiment can be more fully understood with reference to attached drawing, wherein this reality
It is identified with new element and feature by reference numeral.
Embodiment 1
Referring to Fig.1 and 2, wherein Fig. 1 is the structural representation of the sealing structure of the utility model looped network cabinet wire cable
Figure, Fig. 2 are the utility model use state diagram.The sealing structure of the looped network cabinet wire cable of the utility model, the bottom of including
Plate 1 offers entrance hole 110 on bottom plate 1, and the surrounding of entrance hole 110 is provided with housing 2, and 2 top of housing offers through hole,
Inlet wire cable 5 is penetrated by entrance hole 110 and is pierced by from through hole, and sealing plate 3 and sealant are equipped between inlet wire cable 5 and housing 2
4。
The sealant 4 of the present embodiment is filled in housing 2 for expanded material and is formed, and wherein expanded material can select EVA
Expanded material, polymerization expanded material either XPE expanded materials of market sale etc., can play sealing effect well
Fruit.
The section of the housing 2 of the present embodiment is rounded, and circular shell 2 is arranged concentrically with entrance hole 110, in circular shell 2
Footpath is more than the diameter 3-5mm of entrance hole 110.So designing, it is ensured that sealing plate 3 will not fall into entrance hole 110, meanwhile, envelope
Plate 3 can fill up entire chamber can will not leave behind gap, expanded material in vivo.
In order to save production cost, at the same it is easy to produce, and the sealing plate 3 of the present embodiment can select plastic plate, cardboard, PVC
Plate or plank.
The sealing structure of the looped network cabinet wire cable of the present embodiment is removably mounted on bottom plate 1 by housing 2,
And then in ring main unit 6, which is applied in distribution system, efficiently reduces showing for 6 internal condensation of ring main unit
As.
Embodiment 2
The structure of the sealing structure and embodiment 1 of the looped network cabinet wire cable of the present embodiment is basically identical, and difference exists
In：The through hole of housing 2 is threaded hole, and is combined with spiral cover 210, and a chamber, inlet wire electricity are formed between housing 2 and bottom plate 1
Cable 5 is passed through by chamber, then the foam-injection material in chamber, convenient for the sizing of expanded material so that sealing structure is more beautiful
It sees.
Embodiment 3
The structure of the sealing structure and embodiment 2 of the looped network cabinet wire cable of the present embodiment is basically identical, and difference exists
In：At least one injection orifice 220 is preset on housing 2, the diameter of injection orifice 220 is 1 with the internal diameter ratio of circular shell 2：(20-
30), therefore when mounted, first spiral cover 210 directly can be covered, then by 220 foam-injection material of injection orifice, be more advantageous to
The sizing of expanded material.
Embodiment 4
The structure of the sealing structure and embodiment 2 of the looped network cabinet wire cable of the present embodiment is basically identical, and difference exists
In：Sealing plate 3 includes the first half sealing plates 310 and the second half sealing plates 320, is provided with slot 311 on the first half sealing plates 310, and the second half
It is provided with inserted link 321 on sealing plate 320 with slot 311 to coordinate, the first half sealing plates 310 and the second half sealing plates 320 are spliced into full circle.This
On the one hand the design of sample solves the problems, such as that 2 upper through-hole of housing is too small, half sealing plate 3 of two plates can readily be put into shell
In body 2；On the other hand the first half sealing plates 310 and the second half sealing plates 320 pass through clamping, and inlet wire cable 5 installs rapid and convenient.
Claims (10)
1. a kind of sealing structure of looped network cabinet wire cable including bottom plate (1), offers entrance hole (110) on bottom plate (1),
It is characterized in that, the surrounding of the entrance hole (110) is provided with housing (2), through hole, inlet wire cable are offered above housing (2)
(5) penetrated by entrance hole (110) and be pierced by from through hole, sealing plate (3) and sealing are equipped between inlet wire cable (5) and housing (2)
Layer (4).
2. the sealing structure of looped network cabinet wire cable according to claim 1, which is characterized in that the housing (2) is cut
Face is rounded, and circular shell (2) is arranged concentrically with entrance hole (110), and circular shell (2) internal diameter is more than the straight of entrance hole (110)
Footpath 3-5mm.
3. the sealing structure of looped network cabinet wire cable according to claim 2, which is characterized in that the housing (2) is led to
Hole is threaded hole, and is combined with spiral cover (210).
4. the sealing structure of looped network cabinet wire cable according to claim 3, which is characterized in that pre- on the housing (2)
Equipped at least one injection orifice (220), the diameter of injection orifice (220) is 1 with the internal diameter ratio of circular shell (2)：(20-30).
5. the sealing structure of looped network cabinet wire cable according to any one of claims 1 to 4, which is characterized in that the envelope
Plate (3) includes the first half sealing plates (310) and the second half sealing plates (320), and slot (311) is provided on the first half sealing plates (310), the
It is provided with inserted link (321) and slot (311) on 2 half sealing plates (320) to coordinate, the first half sealing plates (310) and the second half sealing plates
(320) it is spliced into full circle.
6. the sealing structure of looped network cabinet wire cable according to claim 5, which is characterized in that the sealing plate (3) is modeling
Flitch, cardboard, PVC board or plank.
7. the sealing structure of looped network cabinet wire cable according to claim 6, which is characterized in that the sealant (4) is
Expanded material is filled in housing (2) and is formed.
8. the sealing structure of looped network cabinet wire cable according to claim 6, which is characterized in that shown housing (2) is removable
It is mounted on bottom plate (1) with unloading formula.
9. a kind of ring main unit includes the sealing structure of claim 1 to 8 any one of them looped network cabinet wire cable.
10. a kind of distribution system, including the ring main unit described in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721635767.7U CN207442238U (en) | 2017-11-30 | 2017-11-30 | A kind of sealing structure, ring main unit and the distribution system of looped network cabinet wire cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721635767.7U CN207442238U (en) | 2017-11-30 | 2017-11-30 | A kind of sealing structure, ring main unit and the distribution system of looped network cabinet wire cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207442238U true CN207442238U (en) | 2018-06-01 |
Family
ID=62285083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721635767.7U Active CN207442238U (en) | 2017-11-30 | 2017-11-30 | A kind of sealing structure, ring main unit and the distribution system of looped network cabinet wire cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207442238U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110415892A (en) * | 2019-07-31 | 2019-11-05 | 珠海格力电工有限公司 | Wire inlet device and equipment with same |
| CN110931209A (en) * | 2019-12-11 | 2020-03-27 | 杭州优朴信息技术有限公司 | Incoming cable restraint device on box-type transformer |
| CN111725707A (en) * | 2020-07-24 | 2020-09-29 | 重庆源通电器设备制造有限责任公司 | Cable overlap joint fixing device |
| CN113258476A (en) * | 2021-05-08 | 2021-08-13 | 陈文静 | Single-channel dual autonomous dehumidification type electric meter box |
-
2017
- 2017-11-30 CN CN201721635767.7U patent/CN207442238U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110415892A (en) * | 2019-07-31 | 2019-11-05 | 珠海格力电工有限公司 | Wire inlet device and equipment with same |
| CN110931209A (en) * | 2019-12-11 | 2020-03-27 | 杭州优朴信息技术有限公司 | Incoming cable restraint device on box-type transformer |
| CN111725707A (en) * | 2020-07-24 | 2020-09-29 | 重庆源通电器设备制造有限责任公司 | Cable overlap joint fixing device |
| CN113258476A (en) * | 2021-05-08 | 2021-08-13 | 陈文静 | Single-channel dual autonomous dehumidification type electric meter box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: The utility model relates to a sealing structure of an incoming cable of a ring main unit, a ring main unit and a power distribution system Effective date of registration: 20210701 Granted publication date: 20180601 Pledgee: Anhui Commercial Bank Co.,Ltd. MAANSHAN Taibai Avenue sub branch Pledgor: ANHUI GUANGQI INTELLIGENT ELECTRIC APPLIANCE Co.,Ltd. Registration number: Y2021980005626 |