CN207705574U - A kind of integral type plug-in pedestal and ring main unit - Google Patents
A kind of integral type plug-in pedestal and ring main unit Download PDFInfo
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- CN207705574U CN207705574U CN201721645612.1U CN201721645612U CN207705574U CN 207705574 U CN207705574 U CN 207705574U CN 201721645612 U CN201721645612 U CN 201721645612U CN 207705574 U CN207705574 U CN 207705574U
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Abstract
The utility model discloses a kind of integral type plug-in pedestal and ring main units, belong to intelligent power equipment technical field.It includes base body and current transformer, the base body is built-in with current transformer, such structure makes base body be integrally formed with current transformer, structure is more compact, small, is easily installed, the installation of inlet wire cable is not influenced simultaneously, current transformer can collect the electric current on inlet wire cable, and the low current that current transformer is obtained is spread out of, and technical support is provided for the intelligentized control method of ring main unit.
Description
Technical field
The utility model belongs to intelligent power equipment technical field, more specifically to integral type plug-in pedestal and
Ring main unit.
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
At the electrical equipment of assembled compartment ring network power supplying units, core uses on-load switch and fuse, supply main
The annular of a closure is formed, power supply is powered to this ring main, pressed off all the way by height again 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 from right side, main line continues to be powered looped network, and when right side main line is out of order, ring
Just from left side, main line continues to be powered net, although general supply is single service, two-way is obtained from each distribution branch
The reliability of power supply, power supply 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.
Currently in order to realizing the intelligentized control method of ring main unit, on-line monitoring is realized to the failure of ring main unit, using in looped network
Current transformer is set in cabinet, for example, Chinese patent CN201110199569.1 discloses a kind of compact intelligent ring main unit,
Including ring main unit ontology, ring main unit ontology includes at least at least one incoming line cabinet and at least one outgoing line cabinet；Electronic current electricity
Mutual inductor is pressed, is set in each incoming line cabinet to acquire the voltage and current signals of inlet wire；Electronic current mutual inductor, installation
To acquire the current signal of outlet in each outgoing line cabinet；For another example Chinese patent CN201210431647.0 discloses a kind of intelligence
The energy totally-enclosed inflatable ring main unit of type all insulation, is mainly made of major loop and intelligent control circuit, wherein：Mutual induction of voltage
Device is connected in parallel in major loop, and current transformer is set on main bus-bar；For another example Chinese patent CN201520690576.5 is disclosed
A kind of intelligent vacuum circuit breaker ring main unit with communication function, including cabinet, cabinet lower part are equipped with cable vault, and cable vault is set
There is current transformer.But by analysis it is known that current transformer is set on cable, then by plugging member by cable
It is fixed on plug-in pedestal, however current transformer and plug-in pedestal are separated, current transformer volume is big, occupies ring
The lower space of net cabinet, and the installation of inconvenient cable influence the intelligent of ring main unit and use.
Invention content
1. to solve the problems, such as
It is big for existing current transformer volume, the confined space of ring main unit is occupied, and be unfavorable for the installation of cable, to
The problem of looped network cabinet intelligentization uses is influenced, the purpose of this utility model is to provide a kind of integral type plug-in pedestal, by electric current
Mutual inductor is combined into one with plug-in pedestal so that structure is more compact, small, install and use it is more convenient, for realize ring
The intelligence of net cabinet provides guarantee.
The another object of the utility model is to provide a kind of ring main unit with above-mentioned integral type plug-in pedestal so that ring
The inner space of net cabinet is more reasonable, while rigid cable being avoided to install the unfavorable factor brought, and cable does not have to be threaded through electric current
In mutual inductor, current transformer can obtain current signal, and looped network cabinet intelligentization is working properly.
2. technical solution
To solve the above-mentioned problems, technical solution used by the utility model is as follows：
The integral type plug-in pedestal of the utility model, including base body and current transformer, in the base body
It is equipped with current transformer, such structure makes base body be integrally formed with current transformer, and structure is more compact, volume
It is small, it is easily installed, while not influencing the installation of inlet wire cable, current transformer can collect the electric current on inlet wire cable, and
The low current outflow that current transformer is obtained, technical support is provided for the intelligentized control method of ring main unit.
In a kind of possible embodiment of the utility model, the base body has the head of taper, along pedestal sheet
Body center offers through-hole, and annular groove is offered around through-hole surrounding far from head end；Conductive column is provided in through-hole, and
Conductive column length is equipped with threaded hole without departing from through-hole, the head of conductive column, and fixing bolt passes through Wiring nose to coordinate with threaded hole.It is logical
The optimization to base body structure is crossed, current transformer can be mounted on base body.
In a kind of possible embodiment of the utility model, the current transformer includes iron core, coil and terminals
Son, coil are drawn two connecting terminals around being located on iron core and being placed in annular groove, by annular groove and are connect with coil.Electric current
Mutual inductor uses existing basic structure, and coil constitutes an entirety with iron core, is subsequently placed in annular groove so that iron core
It is centered around conductive column surrounding, can convert the high-tension current of inlet wire cable to low-tension current in this way.
In a kind of possible embodiment of the utility model, the iron core is made of ultracrystallite or high magnetic conduction silicon steel sheet
It forms, is equipped with the insulating layer that thickness is 0.3-0.5mm on iron core surface, the iron core made of above-mentioned material has and leads well
Magnetic energy power can generate larger magnetic induction intensity in hot-wire coil, the insulating layer on surface, be effectively prevented coil with
There is electrical phenomena in iron core.
In a kind of possible embodiment of the utility model, thermal conductive silicon is filled between the annular groove and iron core
Glue, current transformer is in normal processes, and since electric current will produce heat by coil, coil and iron core, and coil is placed in ring
In connected in star confined space, the overheat of coil can be caused to burn for a long time, heat conductive silica gel by the heat transfer of coil and iron core extremely
End face far from head, and is dispersed into air, eliminates coil and the phenomenon that iron core overheats.
In a kind of possible embodiment of the utility model, the annular groove is arranged concentrically with through-hole, wherein with one heart
The size of degree is 0.01-0.03mm, and coil can be arranged concentrically as far as possible with conductive column, can be ensured in this way on coil uniformly
Ground acquires the electric current on conductive column, reduces the error that current acquisition is brought, and gathered data is more accurate.
In a kind of possible embodiment of the utility model, the coil uses the compound enamel-cover of polyester-imide/polyamide
The enameled wire thermal shock resistance of line, the type is good, and resistance to cut through temperature is high, and mechanical strength is excellent, solvent resistant and freeze-resistant
Agent performance is preferable.
In a kind of possible embodiment of the utility model, the conductive column is made by copper material, and conductive column is in
Cylindric, the diameter of conductive column is consistent with the diameter of through-hole, and conductive column conductive effect made of copper is good, and closely matches with through-hole
It closes, avoids between through-hole and through-hole that there are gaps, guarantee is provided for the acquisition of electric current.
A kind of ring main unit of the present embodiment, including above-mentioned integral type plug-in pedestal.
3. advantageous effect
Compared with the prior art, the beneficial effects of the utility model are：
(1) current transformer and plug-in pedestal are combined into one in this way by the integral type plug-in pedestal of the utility model
Structure base body is integrally formed with current transformer, structure is more compact, small, is easily installed, while not shadow
The installation of inlet wire cable is rung, current transformer can collect the electric current on inlet wire cable, and current transformer be obtained small
Electric current is spread out of, and technical support is provided for the intelligentized control method of ring main unit；
(2) the integral type plug-in pedestal of the utility model can be mutual by electric current by the optimization to base body structure
Sensor is mounted on base body, and structure is more stable and firm, safe and reliable；
(3) the integral type plug-in pedestal of the utility model, current transformer use existing basic structure, coil with
Iron core constitutes an entirety, is subsequently placed in annular groove so that iron core is centered around conductive column surrounding, in this way can be by inlet wire electricity
The high-tension current of cable is converted into low-tension current.
(4) the integral type plug-in pedestal of the utility model, the iron core made of ultracrystallite or high magnetic conduction silicon steel sheet, has
Magnetic conduction ability well can generate larger magnetic induction intensity in hot-wire coil, and the insulating layer on surface is effectively prevented
Only there is electrical phenomena with iron core in coil；
(5) the integral type plug-in pedestal of the utility model is filled with heat conductive silica gel between annular groove and iron core, leads
The heat transfer of coil and iron core to the end face far from head, and is dispersed into air by hot silica gel, eliminates coil and iron core
The phenomenon that overheat；
(6) the integral type plug-in pedestal of the utility model, annular groove are arranged concentrically with through-hole, and wherein concentricity is big
Small is 0.01-0.03mm, and coil can be arranged concentrically with conductive column, can ensure equably to acquire on coil so as far as possible
Electric current on conductive column, reduces the error that current acquisition is brought, and gathered data is more accurate；
(7) the integral type plug-in pedestal of the utility model, polyester-imide/polyamide composite enameled wire thermal shock resistance
Good, resistance to cut through temperature is high, and mechanical strength is excellent, and solvent resistant and refrigerantresisting property can preferably；
(8) the integral type plug-in pedestal of the utility model, conductive column conductive effect made of copper are good, and closely match with through-hole
It closes, avoids between through-hole and through-hole that there are gaps, guarantee is provided for the acquisition of electric current；
(9) the utility model is simple in structure, reasonable design, 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 structural schematic diagram of the utility model integral type plug-in pedestal.
Description of symbols in figure：
1, base body；110, head；120, through-hole；130, annular groove；140, conductive column；150, fixing bolt；
160, Wiring nose；
2, current transformer；210, iron core；220, coil；230, connecting terminal；
3, heat conductive silica gel.
Specific implementation mode
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 has been shown as example the enforceable exemplary embodiment of the utility model 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 embodiments of the present invention, and only
The description of the characteristics of in order to be illustrated and not limit to the utility model and feature, to propose to execute the utility model
Best mode, and it is sufficient to make those skilled in the art that can implement the utility model.Therefore, the scope of the utility model only by
Appended claims limit.
Hereafter the detailed description of the utility model and example embodiment are more fully understood in combination with attached drawing, wherein this reality
It is identified by reference numeral with novel element and feature.
Fig. 1 is please referred to, Fig. 1 is the structural schematic diagram of the integral type plug-in pedestal of the utility model.In order to enable pedestal
Ontology 1 is integrally formed with current transformer 2, and structure is more compact, small, is easily installed, while not influencing inlet wire cable
Installation, current transformer 2 can collect the electric current on inlet wire cable, and the low current that current transformer 2 is obtained is spread out of, and is
The intelligentized control method of ring main unit provides technical support, which includes base body 1 and current transformer 2,
Base body 1 is built-in with current transformer 2.Will be on the integral type plug-in floor installation to ring main unit so that ring main unit it is interior
Portion space is more reasonable, while rigid cable being avoided to install the unfavorable factor brought, and cable does not have to be threaded through in current transformer,
Current transformer can obtain current signal, and looped network cabinet intelligentization is working properly.
In the present embodiment, in order to which current transformer 2 to be mounted on base body 1, structure is more stable and firm, uses
Safe and reliable base body 1 has the head 110 of taper, and through-hole 120 is offered along 1 center of base body, far from 110 end of head
Face offers annular groove 130 around 120 surrounding of through-hole；Conductive column 140 is provided in through-hole 120, and 140 length of conductive column is not
Beyond through-hole 120, the head 110 of conductive column 140 is equipped with threaded hole, and fixing bolt 150 is matched across Wiring nose 160 with threaded hole
It closes.
In addition, current transformer 2 includes iron core 210, coil 220 and connecting terminal 230, coil 220 is around being located at iron core 210
It above and is placed in annular groove 130, draw two connecting terminals 230 by annular groove 130 connect with coil 220.The present embodiment
Current transformer 2 use existing basic structure, coil 220 constitutes an entirety with iron core 210, and it is recessed to be subsequently placed in annular
In slot 130 so that iron core 210 is centered around 140 surrounding of conductive column, can convert the high-tension current of inlet wire cable to low pressure in this way
Electric current.
The iron core 210 of the present embodiment is made using ultracrystallite or high magnetic conduction silicon steel sheet, and thickness is equipped on 210 surface of iron core
Degree is the insulating layer of 0.3-0.5mm, and iron core 210 made of above-mentioned material have magnetic conduction ability well, in hot-wire coil
In 220, larger magnetic induction intensity can be generated, the insulating layer on surface is effectively prevented coil 220 and occurs with iron core 210
Cross electrical phenomena.
In addition, explanation is worth to be that current transformer 2 is in normal processes, since electric current passes through coil 220,220 He of coil
Iron core 210 will produce heat, and coil 220 is placed in 130 confined space of annular groove, can cause the mistake of coil 220 for a long time
Heat is burnt, therefore heat conductive silica gel 3 is filled between annular groove 130 and iron core 210, and heat conductive silica gel 3 is by coil 220 and iron core
210 heat transfer is dispersed into the end face far from head 110 in air, eliminates coil 220 and iron core 210 overheats
Phenomenon.
In Fig. 1, annular groove 130 is arranged concentrically with through-hole 120, and wherein the size of concentricity is 0.01-0.03mm, line
Circle 220 can be arranged concentrically as far as possible with conductive column 140, can ensure equably to acquire conductive column 140 on coil 220 in this way
On electric current, reduce the error brought of current acquisition, gathered data is more accurate.
In order to extend the service life of pedestal, coil 220 uses polyester-imide/polyamide composite enameled wire, the type
Enameled wire thermal shock resistance is good, and resistance to cut through temperature is high, and mechanical strength is excellent, solvent resistant and refrigerantresisting property can compared with
It is good.
Further, conductive column 140 is made by copper material, and conductive column 140 is cylindrical, the diameter of conductive column 140
Consistent with the diameter of through-hole 120,140 conductive effect of conductive column made of copper is good, and is fitted close with through-hole 120, avoids logical
There are gaps between hole 120 and through-hole 120, and guarantee is provided for the acquisition of electric current.
Claims (8)
1. a kind of integral type plug-in pedestal, including base body (1) and current transformer (2), which is characterized in that the pedestal
Ontology (1) is built-in with current transformer (2)；The current transformer (2) includes iron core (210), coil (220) and connecting terminal
(230), coil (220) draws two around being located on iron core (210) and being placed in annular groove (130) by annular groove (130)
Connecting terminal (230) is connect with coil (220).
2. integral type plug-in pedestal according to claim 1, which is characterized in that the base body (1) has taper
Head (110), offer through-hole (120) along base body (1) center, far from head (110) end face surround through-hole (120) four
Offer annular groove (130) week；Conductive column (140) is provided in through-hole (120), and conductive column (140) length is without departing from logical
The head (110) in hole (120), conductive column (140) is equipped with threaded hole, and fixing bolt (150) passes through Wiring nose (160) and threaded hole
Cooperation.
3. integral type plug-in pedestal according to claim 1, which is characterized in that the iron core (210) uses ultracrystallite
Or high magnetic conduction silicon steel sheet is made, and the insulating layer that thickness is 0.3-0.5mm is equipped on iron core (210) surface.
4. integral type plug-in pedestal according to claim 3, which is characterized in that the annular groove (130) and iron core
(210) heat conductive silica gel (3) is filled between.
5. integral type plug-in pedestal according to claim 2, which is characterized in that the annular groove (130) and through-hole
(120) it is arranged concentrically, wherein the size of concentricity is 0.01-0.03mm.
6. integral type plug-in pedestal according to claim 1, which is characterized in that the coil (220) is sub- using polyester
Amine/polyamide composite enameled wire.
7. integral type plug-in pedestal according to claim 2, which is characterized in that the conductive column (140) is by copper material
It is made, conductive column (140) is cylindrical, and the diameter of conductive column (140) is consistent with the diameter of through-hole (120).
8. a kind of ring main unit, including claim 1 to 7 any one of them integral type plug-in pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721645612.1U CN207705574U (en) | 2017-11-30 | 2017-11-30 | A kind of integral type plug-in pedestal and ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721645612.1U CN207705574U (en) | 2017-11-30 | 2017-11-30 | A kind of integral type plug-in pedestal and ring main unit |
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| Publication Number | Publication Date |
|---|---|
| CN207705574U true CN207705574U (en) | 2018-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721645612.1U Active CN207705574U (en) | 2017-11-30 | 2017-11-30 | A kind of integral type plug-in pedestal and ring main unit |
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| CN (1) | CN207705574U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113791265A (en) * | 2021-09-15 | 2021-12-14 | 深圳市航智精密电子有限公司 | Voltage sensor accessory, production method thereof and voltage sensor |
-
2017
- 2017-11-30 CN CN201721645612.1U patent/CN207705574U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113791265A (en) * | 2021-09-15 | 2021-12-14 | 深圳市航智精密电子有限公司 | Voltage sensor accessory, production method thereof and voltage sensor |
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