CN208889459U - A kind of voltage transformer for outdoor installation - Google Patents
A kind of voltage transformer for outdoor installation Download PDFInfo
- Publication number
- CN208889459U CN208889459U CN201821690626.XU CN201821690626U CN208889459U CN 208889459 U CN208889459 U CN 208889459U CN 201821690626 U CN201821690626 U CN 201821690626U CN 208889459 U CN208889459 U CN 208889459U
- Authority
- CN
- China
- Prior art keywords
- conducting rod
- insulation board
- side wall
- profile
- shaped insulation
- Prior art date
- 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 voltage transformers for outdoor installation, including mutual inductor ontology, primary connection terminal and secondary wiring terminals are provided on mutual inductor ontology, primary connection terminal includes binding post and wire outlet seat, wire outlet seat includes conducting rod, insulation sleeve and insulator cap, and conducting rod is threaded through in insulation sleeve, and radially correspondence offers screw hole on conducting rod and insulation sleeve, the lower end of conducting rod and binding post are conductively connected, and upper end and insulator cap are tightly connected；Insulation sleeve includes the U-shaped insulation board in the first side and the U-shaped insulation board of second side staggeredly fastened, conducting rod is formed among the U-shaped insulation board in first side and the U-shaped insulation board of second side and wears slot, and the side wall of the U-shaped insulation board in the first side and the U-shaped insulation board of second side is fastened by the first profile and the first catching groove and the second profile and the second catching groove.The utility model carries out shielding protection to the on high-tension side primary connection terminal of voltage transformer, improves the stability and reliability of voltage transformer operation.
Description
Technical field
The utility model relates to power grid technical field of measuring equipment more particularly to a kind of mutual induction of voltage for outdoor installation
Device.
Background technique
Voltage transformer is used to convert the voltage on power network line, i.e., using electromagnetic induction principle by proportional turn of high voltage
Low-voltage is turned to, to power to measuring instrumentss and protective relaying device, or for measuring line voltage distribution, power and electric energy,
Power equipment when line failure in protection circuit.The extension that deepens continuously with from China's power grid to remote unmanned area,
A large amount of electric power complete set of equipments will necessarily be used, and severe natural environment influences serious, electricity on the power equipment of outdoor installation
Once power equipment failure, maintenance, replacement are got up cumbersome.Although the body of existing voltage transformer is enclosed construction, its
Connecting terminal is exposed, and when installing outdoors, external environment very likely influences the machinery of voltage transformer, electric property, leads
Cause the reduction of its reliability.
Utility model content
The purpose of this utility model is to provide a kind of voltage transformers for outdoor installation, can be to voltage transformer
Connecting terminal carry out shielding protection, reduce influence of the external environment to voltage transformer.
In order to achieve the above purposes, the technical solution adopted by the utility model is:
A kind of voltage transformer for outdoor installation, including mutual inductor ontology are provided on the mutual inductor ontology
Primary connection terminal and secondary wiring terminals, the primary connection terminal include binding post and wire outlet seat, the wire outlet seat
The top of binding post is set, and wire outlet seat includes conducting rod, insulation sleeve and insulator cap, and conducting rod is threaded through in insulation sleeve, conductive
Radially corresponding on bar and insulation sleeve to offer mounting hole, the lower end of conducting rod and binding post are conductively connected, the upper end of conducting rod
It is tightly connected with insulator cap；
The insulation sleeve includes that the U-shaped insulation board in the first side staggeredly fastened and the U-shaped insulation board of second side, the first side are U-shaped
Conducting rod is formed among insulation board and the U-shaped insulation board of second side and wears slot, and the U-shaped insulation board in the first side is by the first side wall, second side
Wall and the first bottom plate surround, and the U-shaped insulation board of second side is surrounded by third side wall, the 4th side wall and the second bottom plate, and the first side wall is remote
One end from the first bottom plate is extended with the first profile into opening, and third side wall offers and first close to one end of the second bottom plate
Matched first catching groove of profile, the 4th one end of side wall far from the second bottom plate are extended with the second profile, second sidewall into opening
It is offered close to one end of the first bottom plate and passes through the first button with matched second catching groove of the second profile, the first side wall and third side wall
Item and the first catching groove fasten, and second sidewall and the 4th side wall are fastened by the second profile and the second catching groove.
The upper end of the conducting rod is in the form of a column and offers external screw thread, and embedded nut, conducting rod are provided in insulator cap
Upper end be threadedly coupled with insulator cap.
The lower end of the conducting rod is in the form of a column and offers external screw thread, and threaded hole is offered on binding post, conducting rod
Lower end is threadedly coupled with binding post.
Locating slot is offered in the middle part of first profile, it is matched fixed with locating slot to be protruding in the middle part of the first catching groove
Position block.
The utility model carries out insulation covering to the primary connection terminal that voltage transformer is connect with high-pressure side, specifically,
The extraneous conductive connection with inside voltage transformer is realized using conducting rod, and makes conducting rod and outer using insulation sleeve and insulator cap
Boundary's isolation, reduces the failure rate of voltage transformer connecting part；
The insulation sleeve of the utility model is passed through using the U-shaped insulation board in the first side and the U-shaped insulation board of second side that staggeredly fasten
The conducting rod generated after fastening wears slot connection conducting rod, while utilizing conducting rod and the U-shaped insulation board in the first side and second side U
The profile and catching groove being mutually matched on type insulation board fix the U-shaped insulation board in the first side and the U-shaped insulation board of second side, avoid other
The use of connector greatly facilitates the installation of wire outlet seat.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the conducting rod；
Fig. 3 is the structural schematic diagram of the insulator cap；
Fig. 4 is the structural schematic diagram of insulation sleeve in an embodiment；
Fig. 5 is the structural schematic diagram of the U-shaped insulation board in the first side in an embodiment；
Fig. 6 is the structural schematic diagram of the U-shaped insulation board of second side in an embodiment；
Fig. 7 is the structural schematic diagram of insulation sleeve in another embodiment；
Fig. 8 is the structural schematic diagram of the U-shaped insulation board in the first side in another embodiment；
Fig. 9 is the structural schematic diagram of the U-shaped insulation board of second side in another embodiment.
Specific embodiment
As shown in Figure 1, a kind of voltage transformer for outdoor installation described in the utility model, including mutual inductor ontology
1, the internal structure of mutual inductor ontology 1 is the prior art, and details are not described herein.Primary connection end is provided on mutual inductor ontology 1
Son 2 and secondary wiring terminals 3, for primary connection terminal 2 for connecting on high-tension side route, secondary wiring terminals 3 are low for connecting
The equipment for pressing side.Primary connection terminal 2 includes binding post 4 and wire outlet seat 5, the primary coil in binding post 4 and mutual inductor ontology 1
Electrical connection, the top of binding post 4 is arranged in wire outlet seat 5, and is electrically connected with binding post 4.
Wire outlet seat 5 includes conducting rod 6, insulation sleeve 7 and insulator cap 8, and conducting rod 6 is threaded through in insulation sleeve 7, conducting rod 6
Screw hole 10 is radially offered on shaft, and through-hole 11, conducting rod 6 are offered at position corresponding with screw hole 10 on insulation sleeve 7
Lower end and binding post 4 be conductively connected, the upper end of conducting rod 6 and insulator cap 8 are tightly connected.Conducting rod 6 is worn in the present embodiment
Part in insulation sleeve 7 be it is rectangular, insulation sleeve 7 is stretched out in the top and bottom of conducting rod 6, offers in surface externally threaded
Column, as shown in Figure 2.Threaded hole is offered on binding post 4, the lower end of conducting rod 6 is threadedly coupled with binding post 4；In insulator cap 8
It is provided with embedded nut 9, the upper end of conducting rod 6 is threadedly coupled with insulator cap 8, as shown in Figure 3.
As shown in Figures 4 to 6, insulation sleeve 7 includes the U-shaped insulation board 12 and second in the first side staggeredly fastened in the present embodiment
Conducting rod is formed among the U-shaped insulation board 13 in side, the U-shaped insulation board 12 in the first side and the U-shaped insulation board 13 of second side wears slot 14.Specifically
, the U-shaped insulation board 12 in the first side is surrounded by the first side wall 121, second sidewall 122 and the first bottom plate 123, the U-shaped insulation of second side
Plate 13 is surrounded by third side wall 131, the 4th side wall 132 and the second bottom plate 133, and the U-shaped insulation board 12 in the first side and second side are U-shaped absolutely
Listrium 13 staggeredly fastens, i.e. the U-shaped insulation board 12 in the first side is opposite with the opening of the U-shaped insulation of second side, and the first side wall 121 is from outside
It is bonded with third side wall 131, second sidewall 122 is bonded from inside with the 4th side wall 132, third side wall 131 and second sidewall 122
Between formed conducting rod wear slot 14.
To fasten the U-shaped insulation board 12 in the first side and the U-shaped insulation board 13 of second side securely, the first side wall 121 is far from first
One end of bottom plate 123 is extended with the first profile 15 into opening, and third side wall 131 is offered close to one end of the second bottom plate 133
With matched first catching groove 16 of the first profile 15, the 4th side wall 132 is extended with into opening far from one end of the second bottom plate 133
Two profiles 17, second sidewall 122 close to one end of the first bottom plate 123 offer with matched second catching groove 18 of the second profile 17,
The first side wall 121 and third side wall 131 are fastened by the first profile 15 and the first catching groove 16, second sidewall 122 and the 4th side wall
132 are fastened by the second profile 17 and the second catching groove 18.Conducting rod 6 penetrates after conducting rod wears slot 14, the U-shaped insulation board in the first side
12 and the relative position of the U-shaped insulation board 13 of second side in the horizontal direction it is irremovable, can be realized absolutely without other connectors
The fixation of edge set 7, is installed very convenient.
As shown in Figure 7 to 9, the present embodiment and a upper embodiment the difference is that: open at the middle part of the first profile 15
Equipped with locating slot 19, the middle part of the first catching groove 16 be protruding with the matched locating piece 20 of locating slot 19, then conducting rod 6 penetrates conduction
After bar wears slot 14, the U-shaped insulation board 12 in the first side and the U-shaped insulation board 13 of second side in the horizontal and vertical directions opposite
Position is irremovable, connects stronger, stable.
When the utility model is used, first the lower end of conducting rod 6 is screwed on binding post 4, it is then that the first side is U-shaped absolutely
Listrium 12 and the U-shaped insulation board 13 of second side fasten, and form conducting rod and wear slot 14, wear slot 14 for insulation sleeve 7 by conducting rod
It is set on conducting rod 6, insulator cap 8 is finally screwed onto the top of conducting rod 6, on the one hand realize close to the insulation of conducting rod 6
On the other hand envelope realizes the fixation to insulation sleeve 7.When voltage transformer need to be with connection, end can be used with screw thread
Connecting rod, across insulation sleeve 7 through-hole 11 be screwed onto conducting rod 6 screw hole 10 in, can be used on the outside of connecting rod other absolutely
Edge measure.
The utility model is using simple, the easy for installation insulation external member of structure to the on high-tension side primary connection of voltage transformer
Terminal carries out shielding protection, improves the stability and reliability of voltage transformer operation.
Claims (4)
1. a kind of voltage transformer for outdoor installation, including mutual inductor ontology, one is provided on the mutual inductor ontology
Secondary connecting terminal and secondary wiring terminals, it is characterised in that: the primary connection terminal includes binding post and wire outlet seat, described
Wire outlet seat the top of binding post is set, wire outlet seat includes conducting rod, insulation sleeve and insulator cap, and conducting rod is threaded through insulation sleeve
Interior, radially corresponding on conducting rod and insulation sleeve to offer mounting hole, the lower end of conducting rod and binding post are conductively connected, conducting rod
Upper end and insulator cap be tightly connected；The insulation sleeve includes that the U-shaped insulation board in the first side staggeredly fastened and second side are U-shaped absolutely
Conducting rod is formed among listrium, the U-shaped insulation board in the first side and the U-shaped insulation board of second side and wears slot, and the U-shaped insulation board in the first side is by the
One side wall, second sidewall and the first bottom plate surround, and the U-shaped insulation board of second side is enclosed by third side wall, the 4th side wall and the second bottom plate
Be extended with the first profile into opening at, the one end of the first side wall far from the first bottom plate, third side wall close to the second bottom plate one
End, which is offered, is extended with second into opening far from one end of the second bottom plate with matched first catching groove of the first profile, the 4th side wall
Profile, second sidewall offer and matched second catching groove of the second profile, the first side wall and third close to one end of the first bottom plate
Side wall is fastened by the first profile and the first catching groove, and second sidewall and the 4th side wall are fastened by the second profile and the second catching groove.
2. a kind of voltage transformer for outdoor installation according to claim 1, it is characterised in that: the conducting rod
Upper end be in the form of a column and offer external screw thread, be provided with embedded nut in insulator cap, the upper end of conducting rod and insulation cap thread connect
It connects.
3. a kind of voltage transformer for outdoor installation according to claim 2, it is characterised in that: the conducting rod
Lower end be in the form of a column and offer external screw thread, threaded hole is offered on binding post, the lower end of conducting rod is threadedly coupled with binding post.
4. a kind of voltage transformer for outdoor installation according to claim 3, it is characterised in that: first button
Locating slot is offered in the middle part of item, is protruding in the middle part of the first catching groove and the matched locating piece of locating slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821690626.XU CN208889459U (en) | 2018-10-18 | 2018-10-18 | A kind of voltage transformer for outdoor installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821690626.XU CN208889459U (en) | 2018-10-18 | 2018-10-18 | A kind of voltage transformer for outdoor installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208889459U true CN208889459U (en) | 2019-05-21 |
Family
ID=66516524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821690626.XU Expired - Fee Related CN208889459U (en) | 2018-10-18 | 2018-10-18 | A kind of voltage transformer for outdoor installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208889459U (en) |
-
2018
- 2018-10-18 CN CN201821690626.XU patent/CN208889459U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190521 Termination date: 20211018 |