CN207868050U - A kind of motor-car open-close type current transformer - Google Patents
A kind of motor-car open-close type current transformer Download PDFInfo
- Publication number
- CN207868050U CN207868050U CN201721711749.2U CN201721711749U CN207868050U CN 207868050 U CN207868050 U CN 207868050U CN 201721711749 U CN201721711749 U CN 201721711749U CN 207868050 U CN207868050 U CN 207868050U
- Authority
- CN
- China
- Prior art keywords
- insulation crust
- terminal box
- fixed
- motor
- current transformer
- 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
Links
- 238000009413 insulation Methods 0.000 claims abstract description 54
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052802 copper Inorganic materials 0.000 claims abstract description 21
- 239000010949 copper Substances 0.000 claims abstract description 21
- 238000004804 winding Methods 0.000 claims abstract description 15
- 210000004907 gland Anatomy 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 4
- KHDSWONFYIAAPE-UHFFFAOYSA-N silicon sulfide Chemical compound S=[Si]=S KHDSWONFYIAAPE-UHFFFAOYSA-N 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 229920002379 silicone rubber Polymers 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 2
- -1 methyl trifluoro propyl Chemical group 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Landscapes
- Transformers For Measuring Instruments (AREA)
Abstract
The utility model discloses a kind of motor-car open-close type current transformers, including iron core (1), secondary winding (2), insulation crust (3), terminal box (5), gasket (6), link cover of FIG (7), cable gland (8) and connecting line (9)；The insulation crust (3) includes upper insulation crust (31) and lower insulation crust (32)；Iron core (1) and secondary winding (2) sealing are in upper insulation crust (31) and lower insulation crust (32)；Terminal box (5) is fixed on the right side of insulation crust (3), link cover of FIG (7) is fixed on terminal box (5) right side, and gasket (6) is equipped between link cover of FIG (7) and terminal box (5)；Terminal box (5) top surface is installed by cable gland (8)；Copper insert contact in the connection terminal box (5) of secondary winding (2).It is compact-sized, it is quick for installation, bus cable need not be removed in product installation, maintenance and dismounting, it is relatively convenient.
Description
Technical field
The utility model is related to mechano-electronic technical field of structures more particularly to a kind of open-close type current mutual inductances of motor-car
Device.
Background technology
With the development of electric railway, rail facility is higher and higher to the performance requirement of current transformer.Current Mutual Inductance
An important component part in device EMU is mounted on motor-car roof, for the height between pantograph and line vacuum circuit breaker
It presses in bus cable, the electric current for detecting high voltage bus cable simultaneously converts high current to low current by certain linear scale
Signal sends the control unit of motor-car to.Closed type current transformer needs to remove busbar when product is installed, overhauls and removed
Cable, process are relatively difficult cumbersome.
Utility model content
The purpose of this utility model is to provide a kind of motor-car open-close type current transformer, is opened and closed using poured with epoxy resin
Formula structure, it is compact-sized, it is quick for installation, bus cable need not be removed in product installation, maintenance and dismounting, it is relatively convenient.
The purpose of this utility model is achieved through the following technical solutions：
A kind of motor-car open-close type current transformer, including iron core 1, secondary winding 2, insulation crust 3, terminal box 5, sealing
Pad 6, link cover of FIG 7, cable gland 8 and connecting line 9；
The insulation crust 3 includes the upper and lower split upper insulation crust 31 being fixedly connected and lower insulation crust 32；Iron
Core 1 and about 2 split two semicircular of secondary winding be respectively adopted the integrated poured sealing of epoxy resin upper insulation crust 31 with it is lower absolutely
In edge shell 32；Terminal box 5 is fixed on the right side of insulation crust 3, and link cover of FIG 7 is fixed on 5 right side of terminal box, and link cover of FIG 7 with
Gasket 6 is equipped between terminal box 5；5 top surface of terminal box is equipped with trepanning, installs cable gland 8；
The lead of secondary winding 2 connects the copper insert contact in terminal box 5 and is interconnected by connecting line 9, cable connection copper
Inserts contact passes through 8 outconnector cable of cable gland.
The upper insulation crust 31 is equipped with the embedding fixing piece of copper with lower 32 front-back of insulation crust；Before upper insulation crust 31
Two sides lower end is connected and fixed clamping plate 10 by the embedding fixing piece of copper afterwards, and two sides upper end passes through the embedding fixing piece of copper before and after lower insulation crust 32
It is connected and fixed bottom plate 4, clamping plate 10 is connected and fixed insulation crust 31 and lower insulation crust 32 with bottom plate 4.
It is also connected and fixed by putting on the screw rod of silicon rubber 11 between the bottom plate 4.
The gasket 6 is made with cable gland 8 of high-temperature silicon disulfide rubber.
A kind of motor-car that the utility model embodiment provides it can be seen from above-mentioned technical solution provided by the utility model
With open-close type current transformer, it is compact-sized using poured with epoxy resin retractable structure, it is quick for installation, install in product,
Bus cable need not be removed when maintenance and dismounting, it is relatively convenient.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model
Example, for those of ordinary skill in the art for, without creative efforts, can also be according to these attached drawings
Obtain other accompanying drawings.
Fig. 1 is the main structure diagram for the motor-car open-close type current transformer that the utility model embodiment provides；
Fig. 2 is the overlooking structure diagram for the motor-car open-close type current transformer that the utility model embodiment provides；
Fig. 3 is the iron core and secondary winding structure for the motor-car open-close type current transformer that the utility model embodiment provides
Schematic diagram.
Specific implementation mode
With reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, belongs to the scope of protection of the utility model.
The utility model embodiment is described in further detail below in conjunction with attached drawing.
Embodiment one
As shown in Fig. 1 to Fig. 3, a kind of motor-car open-close type current transformer, including iron core 1, secondary winding 2, insulation are outside
Shell 3, terminal box 5, gasket 6, link cover of FIG 7, cable gland 8 and connecting line 9；；Gasket 6 is with cable gland 8 by high temperature
Sulphurated siliastic is made.High-temperature silicon disulfide rubber is with the linear polydimethyl of high molecular weight (or methyl ethylene, methylbenzene
Base vinyl, methyl trifluoro propyl etc.) siloxanes is basic polymer, being mixed into reinforced filling and vulcanizing agent, (organosilicon aoxidizes
Object) etc., in the lower vulcanization elastomer-forming of heating, pressurization.
In this example, the insulation crust 3 includes outside the upper and lower split upper insulation crust 31 being fixedly connected and lower insulation
Shell 32；The integrated poured sealing of epoxy resin is respectively adopted in upper insulation crust in iron core 1 and about 2 split two semicircular of secondary winding
31 with lower insulation crust 32 in；Terminal box 5 is fixed on 3 right side of insulation crust, and link cover of FIG 7 is fixed on 5 right side of terminal box, and
Gasket 6 is equipped between link cover of FIG 7 and terminal box 5；Specifically, using screw and washer link box 5,6 and of gasket of M6
Link cover of FIG 7.5 top surface of terminal box is equipped with trepanning, installs cable gland 8；Copper in the lead connection terminal box 5 of secondary winding 2
Inserts contact is simultaneously interconnected by connecting line 9, and cable connection copper insert contact passes through 8 outconnector cable of cable gland.Specifically
, with the fixed corresponding connecting line 9 of M6 wiring nail and copper insert contact.
In this example, the upper insulation crust 31 is equipped with the embedding fixing piece of copper with lower 32 front-back of insulation crust；Upper insulation
Two sides lower end is connected and fixed clamping plate 10 by the embedding fixing piece of copper before and after shell 31；Specifically, bolt and pad that folder 10 passes through M8
Circle is fixed on the embedding fixing piece of copper of insulation crust 31, and two sides upper end is connected by the embedding fixing piece of copper before and after lower insulation crust 32
Fixed bottom plate 4, specifically, the copper build-in for being partly fixed on lower insulation crust 32 on two bottom plates 4 by the bolt and washer of M8 is fixed
On part.Clamping plate 10 is connected and fixed insulation crust 31 and lower insulation crust 32 with bottom plate 4, is fixed into overall structure, specifically, folder
Plate 10 and bottom plate 4 are fixed by M10 bolts, washer and nut.In addition, in this example, also by putting on silicon between the bottom plate 4
The screw rod of rubber 11 is connected and fixed, specifically, being fixed by M8 long bolts, washer and nut.
In use, link cover of FIG 7, connecting cable and terminal box 5 are removed, the attaching nut that dismantles clamping plate 10 and bottom plate 4 and
Then bolt removes insulation crust 31.Busbar is positioned in the semi-circular recesses of lower insulation crust 32 in installation site.It closes
Upper insulation crust 31, connecting cleat 10 and bottom plate 4, make insulation crust 31 and lower 32 integrator of insulation crust.So far, high
Pressure side has electrically and mechanically connected.Terminal box 5 is fixed on the right side of pour mass, connecting line 9 is fixed on copper insert contact, together
When interior ready connection cables are pierced into from cable gland 8, be fixed on corresponding copper insert contact, by gasket
6 and link cover of FIG 7 fix.Complete whole installations.
When work, high-tension cable passes through the pour mass of current transformer, by electromagnetic induction principle, by primary side high-voltage electricity
High current in cable senses the low current of secondary side, and by the connecting terminal being connected in terminal box, the electric current of output end is passed
To relevant detection device.
The utility model has the advantages that and advantage：
1, small, flexible for installation.The utility model is not required to without first winding in product installation, maintenance and dismounting
Remove bus cable.
2, insulation is reliable.Secondary winding and iron core are directly used poured with epoxy resin, cast thickness to ensure by the utility model
The insulation performance of mutual inductor.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
It is confined to this, any one skilled in the art can readily occur in the technical scope that the utility model discloses
Change or replacement, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should
Subject to the scope of protection of the claims.
Claims (4)
1. a kind of motor-car open-close type current transformer, which is characterized in that including iron core (1), secondary winding (2), insulation crust
(3), terminal box (5), gasket (6), link cover of FIG (7), cable gland (8) and connecting line (9)；
The insulation crust (3) includes the upper and lower split upper insulation crust (31) being fixedly connected and lower insulation crust (32)；
The integrated poured sealing of epoxy resin is respectively adopted in upper insulation crust in split two semicircular up and down for iron core (1) and secondary winding (2)
(31) and in lower insulation crust (32)；Terminal box (5) is fixed on the right side of insulation crust (3), and link cover of FIG (7) is fixed on terminal box
(5) right side, and gasket (6) is equipped between link cover of FIG (7) and terminal box (5)；Terminal box (5) top surface is equipped with trepanning, installation electricity
Cable sealing shroud (8)；
The lead of secondary winding (2) connects the copper insert contact in terminal box (5) and passes through connecting line (9) and interconnects, cable connection
Copper insert contact passes through cable gland (8) outconnector cable.
2. motor-car open-close type current transformer according to claim 1, which is characterized in that the upper insulation crust
(31) it is equipped with the embedding fixing piece of copper with lower insulation crust (32) front-back；Two sides lower end is embedding by copper before and after upper insulation crust (31)
Fixing piece is connected and fixed clamping plate (10), and two sides upper end is connected and fixed bottom plate by the embedding fixing piece of copper before and after lower insulation crust (32)
(4), clamping plate (10) is connected and fixed insulation crust (31) and lower insulation crust (32) with bottom plate (4).
3. motor-car open-close type current transformer according to claim 2, which is characterized in that between the bottom plate (4)
Also it is connected and fixed by putting on the screw rod of silicon rubber (11).
4. motor-car open-close type current transformer according to claim 1,2 or 3, which is characterized in that the gasket
(6) it is made of high-temperature silicon disulfide rubber with cable gland (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721711749.2U CN207868050U (en) | 2017-12-11 | 2017-12-11 | A kind of motor-car open-close type current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721711749.2U CN207868050U (en) | 2017-12-11 | 2017-12-11 | A kind of motor-car open-close type current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207868050U true CN207868050U (en) | 2018-09-14 |
Family
ID=63468720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721711749.2U Expired - Fee Related CN207868050U (en) | 2017-12-11 | 2017-12-11 | A kind of motor-car open-close type current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207868050U (en) |
-
2017
- 2017-12-11 CN CN201721711749.2U patent/CN207868050U/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 |
Granted publication date: 20180914 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |