CN206364376U - High-tension switch cabinet conductor assembly for installing zero sequence current mutual inductor - Google Patents
High-tension switch cabinet conductor assembly for installing zero sequence current mutual inductor Download PDFInfo
- Publication number
- CN206364376U CN206364376U CN201621104391.2U CN201621104391U CN206364376U CN 206364376 U CN206364376 U CN 206364376U CN 201621104391 U CN201621104391 U CN 201621104391U CN 206364376 U CN206364376 U CN 206364376U
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- CN
- China
- Prior art keywords
- conducting rod
- epoxy resin
- cylinder
- zero sequence
- sequence current
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of high-tension switch cabinet conductor assembly for being used to install zero sequence current mutual inductor, including conducting rod combination and epoxy resin housing, conducting rod combination setting-in is fixed in the epoxy resin housing of castable, including conducting rod and connecting copper bar, the inner and the conducting rod one end vertical welding of connecting copper bar connect.Epoxy resin housing is in multi-diameter shaft shape, and the big end axis body other end of multi-diameter shaft shape extends the tubular axle that diameter is less than big end axis body, and the outer peripheral face sprayed metal layer of the tubular axle, several zero sequence current mutual inductors are enclosed on tubular axle side by side.Conducting rod is to include the second cylinder multidiameter structure of the first cylinder sum.The utility model facilitates busbar to install.Busbar occupies little space and need not repeatedly bent, and greatly reduces manufacturing cost and difficulty of construction, is easy to in-site installation.The several ZCTs being enclosed on tubular axle sprayed coating produce exciting current, and the signal such as cut-out circuit and alarm is sent by the part on secondary line, to ensure the safety of the person and equipment.
Description
Technical field
It is especially a kind of to be arranged in high-tension switch cabinet the present invention relates to a kind of high-tension switch cabinet, for connecting busbar
Conductor assembly, belongs to equipment for power transmission and distribution technical field.
Background technology
Zero sequence current mutual inductor is arranged on the three-phase line of high-tension switch cabinet, occurs to touch in the circuit system of power transmission and distribution
When electricity or leak current fault, the three-phase load unbalance of circuit, the secondary side of each zero sequence current mutual inductor exports zero sequence electricity respectively
Flow to corresponding measurement or protection device so that the part on secondary line sends the signal, operator such as cut-out circuit and alarm
Member's operation in time, to ensure the safety of the person and equipment.
Existing zero sequence current mutual inductor is fixed on the side wall of high-tension switch cabinet, then allows busbar from zero sequence current mutual inductor
Endoporus in pass through, busbar enters in cabinet outside high-tension switch cabinet, in order to avoid in high-tension switch cabinet it is many parts are installed, need
Repeatedly bent, considerably increase the material consumption of busbar, increase manufacturing cost.Busbar space-consuming is larger, there is appearance
The potential safety hazard easily discharged；And need to accurately calculate the cutting length of copper bar and bending position and angle, otherwise in-site installation
It is extremely difficult, increase difficulty of construction.
The content of the invention
It is an object of the invention to provide it is a kind of not only reduced difficulty of construction but also save busbar consumptive material be used for zero-sequence current is installed
The high-tension switch cabinet conductor assembly of transformer.
The present invention is achieved by the following technical programs：
A kind of high-tension switch cabinet conductor assembly for being used to install zero sequence current mutual inductor, including conducting rod combination and asphalt mixtures modified by epoxy resin
Fat housing, the conducting rod combination setting-in is fixed in the epoxy resin housing of castable, including conducting rod and connecting copper bar,
The inner of the connecting copper bar connects with conducting rod one end vertical welding, and epoxy resin housing is stretched out lateral out in the outer end of connecting copper bar
Side；The epoxy resin housing is in multi-diameter shaft shape, and big end axis body one end of the multi-diameter shaft shape is provided with the axially inwardly extended
One cavity, the big end axis body other end extends the tubular axle that diameter is less than big end axis body, the outer peripheral face spraying gold of the tubular axle
Belong to layer, several zero sequence current mutual inductors are enclosed on tubular axle side by side；The conducting rod is multidiameter structure, and the multi-diameter shaft includes
First cylinder and diameter are less than the second cylinder of the first cylinder, first cylinder is inner and the second cylinder it is inner by diameter by
Tapered small frustum section transition connection, a first cylinder outer end part puts in first sky of the big end axis body one end of epoxy resin housing
In chamber, the second cylinder termination protruded tube shape shaft end mouthful.
The purpose of the present invention can also further be realized by following technical measures.
Further, the portion perimeter face of the first cylinder termination is silver-plated；The length of tubular shaft end mouthful is stretched out in second cylinder outer end
Spend A=4~6mm.
Further, the inner of connecting copper bar is in the circular arc of indent, the radius of curvature of the circular arc and conducting rod
First cylindrical radius is matched, and inner the first cylinder the inner by silver soldering and conducting rod of connecting copper bar is vertical to be fixedly connected.
Further, transverse end is laterally extended on the epoxy resin housing central section position of setting-in connecting copper bar, it is described
Provided with the second cavity for leading to transverse end end face in transverse end, the end face of transverse end, connecting copper bar are stretched out in the outer end of connecting copper bar
Middle part be located at the second cavity in.
Further, the big end axis body other end of the epoxy resin housing is provided with the first external shed, tubular axle one end
The second external shed is provided with, the inner peripheral surface of the first cavity outer end is provided with interior full skirt.The big end axis body of the epoxy resin housing
Mounting flange is vertically extended on the end face of one end.
Structure of the conducting rod combination of the present invention using the inner of connecting copper bar with conducting rod one end vertical welding even, and will lead
Electric pole combination setting-in is fixed in the epoxy resin housing of castable, and epoxy resin housing copper bar is stretched out in connecting copper bar outer end
The second cavity in transverse end, transverse end can facilitate busbar to install for adjusting the installation length of busbar.The structure of the present invention
So that busbar occupies little space and need not repeatedly bent, manufacturing cost and difficulty of construction are greatly reduced, is easy to in-site installation；
Connecting copper bar can be directly connected from the busbar that ventilating opening enters on rear side of the side wall of high-tension switch cabinet, connecting copper bar and mother is reduced
Arrange the contact resistance of connection.Epoxy resin housing meets air insulation requirement, in the periphery of the tubular axle of epoxy resin housing
The metal level of face spraying forms screen layer, can be used as primary circuit.When electric shock or leak current fault occur in circuit system, set
Several ZCTs on tubular axle sprayed coating produce exciting current, so that ZCT, which is started working, produces electricity
Stream, the signal such as cut-out circuit and alarm is sent by the part on secondary line, judges to use for operating personnel, to ensure the person
With the safety of equipment.
Advantages of the present invention and feature, will be illustrated and explained by the non-limitative illustration of preferred embodiment below,
These embodiments, are only provided as an example referring to the drawings.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is that Fig. 1 unloads the upward view after zero sequence current mutual inductor；
Fig. 3 is Fig. 1 left view；
Fig. 4 is the left view of conducting rod.
Embodiment
The invention will be further described with the embodiment of high-tension switch cabinet conductor assembly below in conjunction with the accompanying drawings.
As shown in Figure 1 to 4, the high-tension switch cabinet conductor assembly rated voltage 12kV of the present embodiment, rated current
2000A, it includes conducting rod combination 1 and epoxy resin housing 2, and the setting-in of conducting rod combination 1 is fixed on the asphalt mixtures modified by epoxy resin of castable
In fat housing 2, including conducting rod 11 and connecting copper bar 12, the inner and the left end vertical welding of conducting rod 11 of the connecting copper bar 12
Even, the lateral outer side of epoxy resin housing 2 is stretched out in the outer end of connecting copper bar 12.Epoxy resin housing 2 is in multi-diameter shaft shape, the rank
The big left end of end axis body 21 of terraced axle shape is provided with the first cavity 211 axially inwardly extended, and installation that can be for adjusting busbar is long
Degree, is easy to busbar to install.The big end right-hand member of axis body 21 extends the tubular axle 22 that diameter is less than big end axis body 21, the tubular axle 22
Outer peripheral face sprayed metal layer 27, the present embodiment spraying zinc, several zero sequence current mutual inductors 3 are enclosed on tubular axle 22 side by side, this
Embodiment is enclosed on tubular axle 22 side by side using 2 zero sequence current mutual inductors 3.
Conducting rod 11 is multidiameter structure, and the multi-diameter shaft 11 includes the first cylinder 111 and diameter is less than the first cylinder
Second cylinder 112, the first cylinder 111 is inner and 113 transition of the inner frustum by reduced diameter section of the second cylinder 112 connect
Connect, the left end part of the first cylinder 111 is put in the first cavity 211 in the big left end of end axis body 21 of epoxy resin housing 2, break
Road device one end can be promoted to be connected in the first cavity 211 with the left end termination of the first cylinder 111.Stretch the right-hand member termination of second cylinder 112
Go out the port of tubular axle 22, its stretch out length A=4~6mm, the present embodiment is 5mm, such structure can ensure that busbar termination and
The end contact of second cylinder 112 of conducting rod 11 is good, reduces the contact resistance that conducting rod 11 is connected with busbar.First circle
The portion perimeter face of the left end termination of post 111 is silver-plated.
Transverse end 23, the transverse direction are laterally extended on the medium position of epoxy resin housing 2 of setting-in connecting copper bar 12
Provided with the second cavity 231 for leading to the end face of transverse end 23 in end 23, the end face of transverse end 23 is stretched out in the outer end of connecting copper bar 12, even
The middle part for connecing copper bar 12 is located in the second cavity 231.Second cavity 231 is used for adjusting the installation length of busbar, facilitates busbar to pacify
Dress.
The inner of connecting copper bar 12 is in the circular arc of indent, the radius of curvature of the circular arc and the first circle of conducting rod 11
The radius of post 111 is matched, the inner vertical fixed company of inner the first cylinder 111 by silver soldering and conducting rod 11 of connecting copper bar 12
Connect.
The big right-hand member of end axis body 21 of epoxy resin housing 2 is provided with the first external shed 24, and tubular axle right-hand member is provided with second
External shed 25, the inner peripheral surface of the left end of the first cavity 211 is provided with interior full skirt 26, external shed and can shortening with interior full skirt climb electricity away from
From.Mounting flange 28 is vertically extended on the end face of the big left end of end axis body 21 of epoxy resin housing 2, is easy to epoxy resin shell
Body 2 is fixed on the side wall of high-voltage board cabinet.
In addition to the implementation, the present invention can also have other embodiment, all use equivalent substitution or equivalent transformation shape
Into technical scheme, all fall within the protection domain of application claims.
Claims (7)
1. a kind of high-tension switch cabinet conductor assembly for being used to install zero sequence current mutual inductor, including conducting rod combination and epoxy resin
Housing, the conducting rod combination setting-in is fixed in the epoxy resin housing of castable, it is characterised in that：The conducting rod group
Conjunction includes conducting rod and connecting copper bar, and the inner and the conducting rod one end vertical welding of the connecting copper bar connect, the outer end of connecting copper bar
Stretch out the lateral outer side of epoxy resin housing；The epoxy resin housing is in multi-diameter shaft shape, the big end axis body of the multi-diameter shaft shape
One end is provided with the first cavity axially inwardly extended, and the big end axis body other end extends the tubular axle that diameter is less than big end axis body,
The outer peripheral face sprayed metal layer of the tubular axle, several zero sequence current mutual inductors are enclosed on tubular axle side by side；The conducting rod is
Multidiameter structure, the multi-diameter shaft includes the first cylinder and diameter is less than in the second cylinder of the first cylinder, first cylinder
End and the inner frustum section transition connection by reduced diameter of the second cylinder, a first cylinder outer end part put in asphalt mixtures modified by epoxy resin
In first cavity of the big end axis body one end of fat housing, the second cylinder termination protruded tube shape shaft end mouthful.
2. the high-tension switch cabinet conductor assembly as claimed in claim 1 for being used to install zero sequence current mutual inductor, it is characterised in that：
The portion perimeter face of first cylinder termination is silver-plated.
3. the high-tension switch cabinet conductor assembly as claimed in claim 1 for being used to install zero sequence current mutual inductor, it is characterised in that：
Length A=4~6mm of tubular shaft end mouthful is stretched out in second cylinder outer end.
4. the high-tension switch cabinet conductor assembly as claimed in claim 1 for being used to install zero sequence current mutual inductor, it is characterised in that：
The inner of connecting copper bar is in the circular arc of indent, and the radius of curvature of the circular arc and the first cylindrical radius of conducting rod are matched,
Inner the first cylinder the inner by silver soldering and conducting rod of connecting copper bar is vertical to be fixedly connected.
5. the high-tension switch cabinet conductor assembly as claimed in claim 1 for being used to install zero sequence current mutual inductor, it is characterised in that：
Laterally extend to be provided with transverse end, the transverse end on the epoxy resin housing central section position of setting-in connecting copper bar and lead to horizontal stroke
To the second cavity of end end face, the end face of transverse end is stretched out in the outer end of connecting copper bar, and the middle part of connecting copper bar is located at the second cavity
In.
6. the high-tension switch cabinet conductor assembly as claimed in claim 1 for being used to install zero sequence current mutual inductor, it is characterised in that：
The big end axis body other end of the epoxy resin housing is provided with the first external shed, and tubular axle one end is provided with the second external shed,
The inner peripheral surface of first cavity outer end is provided with interior full skirt.
7. the high-tension switch cabinet conductor assembly as claimed in claim 1 for being used to install zero sequence current mutual inductor, it is characterised in that：
Mounting flange is vertically extended on the end face of big end axis body one end of the epoxy resin housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621104391.2U CN206364376U (en) | 2016-10-09 | 2016-10-09 | High-tension switch cabinet conductor assembly for installing zero sequence current mutual inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621104391.2U CN206364376U (en) | 2016-10-09 | 2016-10-09 | High-tension switch cabinet conductor assembly for installing zero sequence current mutual inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206364376U true CN206364376U (en) | 2017-07-28 |
Family
ID=59368713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621104391.2U Expired - Fee Related CN206364376U (en) | 2016-10-09 | 2016-10-09 | High-tension switch cabinet conductor assembly for installing zero sequence current mutual inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206364376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329325A (en) * | 2016-10-09 | 2017-01-11 | 镇江市丹高电器有限公司 | High-voltage switch cabinet conductor assembly for installing zero-sequence current transformers |
-
2016
- 2016-10-09 CN CN201621104391.2U patent/CN206364376U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329325A (en) * | 2016-10-09 | 2017-01-11 | 镇江市丹高电器有限公司 | High-voltage switch cabinet conductor assembly for installing zero-sequence current transformers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170728 Termination date: 20211009 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |