CN108711501A - Current transformer pours into a mould tooling - Google Patents
Current transformer pours into a mould tooling Download PDFInfo
- Publication number
- CN108711501A CN108711501A CN201810433446.1A CN201810433446A CN108711501A CN 108711501 A CN108711501 A CN 108711501A CN 201810433446 A CN201810433446 A CN 201810433446A CN 108711501 A CN108711501 A CN 108711501A
- Authority
- CN
- China
- Prior art keywords
- fixed
- current transformer
- fixed seat
- secondary connection
- pours
- 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.)
- Granted
Links
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000005266 casting Methods 0.000 abstract description 25
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 238000007711 solidification Methods 0.000 abstract 1
- 230000008023 solidification Effects 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 9
- 239000003822 epoxy resin Substances 0.000 description 9
- 229920000647 polyepoxide Polymers 0.000 description 9
- 230000000694 effects Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/005—Impregnating or encapsulating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/28—Current transformers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Transformers For Measuring Instruments (AREA)
Abstract
The present invention relates to transformer technical fields, and in particular to a kind of current transformer cast tooling.Current transformer cast tooling includes the fixed seat for the transformer housing fixed setting relative to current transformer, and the secondary connection cover being provided in fixed seat for current transformer is fixedly connected so that secondary connection cover is maintained at the separate terminal enclosure fixed structure of the fixed position of transformer housing.Fixed seat is relatively fixed relative to the position for the transformer housing to be poured into a mould, it can ensure that in casting process, separate terminal enclosure fixed structure and fixed seat will not careless displacements, it is certain until casting complete solidification to ensure that the secondary connection coordinated with separate terminal enclosure fixed structure covers on position in casting process, realization secondary connection cover is fixedly connected with transformer housing, secondary connection cover is supported in casting process by tooling, secondary connection cover need not be sticked on shell, it ensure that the consistency and yields of product, improve the efficiency of work, and reduce artificial input.
Description
Technical field
The present invention relates to transformer technical fields, and in particular to a kind of current transformer cast tooling.
Background technology
In the assembly of current transformer, coil is fixed to transformer housing frequently with the mode of poured with epoxy resin
Interior, in the mutual inductor assembled in this way, secondary connection cover generally uses glue bonding that it is made to be combined with transformer housing,
However there are certain defects for the bonding way, for example need worker to be connect until secondary with pushing time face contact face when bonding
Irdome bonding is secured, and production efficiency is low；If bonding is insecure by cracking phenomenon, and then it is askew so that secondary connection cover is occurred
Tiltedly and in bonding process glue is easy to trickle down in surface of shell, influences product appearance quality；Using artificial method come make by
Secondary connection cover is Nian Jie with transformer housing, wastes a large amount of man power and material.
Invention content
The purpose of the present invention is to provide a kind of current transformers to pour into a mould tooling, to solve in the prior art to Current Mutual Inductance
When device is poured into a mould the problem of wasting manpower and material resources.
To achieve the above object, the current transformer cast tooling in the present invention adopts the following technical scheme that：
Current transformer pours into a mould tooling, includes the fixed seat for the transformer housing fixed setting relative to current transformer,
The secondary connection cover being provided in fixed seat for current transformer is fixedly connected so that secondary connection cover is maintained at transformer housing
Fixed position separate terminal enclosure fixed structure.
Advantage is：Current transformer cast tooling includes that fixed seat and the separate terminal enclosure being arranged in fixed seat are solid
Determine structure, fixed seat is relatively fixed relative to the position for the transformer housing to be poured into a mould, and can be ensured in casting process
Separate terminal enclosure fixed structure and fixed seat will not careless displacement, to ensure that the secondary connection cover coordinated with separate terminal enclosure fixed structure
Position is centainly until casting complete cures in casting process, and realization secondary connection cover is fixedly connected with transformer housing, again
Because being supported to secondary connection cover in casting process by tooling, secondary connection cover need not be sticked in shell
On, it ensure that the consistency and yields of product, improve the efficiency of work, and reduce artificial input.
Further, the fixed seat has for being fixedly connected with transformer housing so that fixed seat is mutual relative to electric current
The fixed fixed seat location structure of transformer housing of sensor.
Advantage is：The fixed seat location structure being fixedly connected with transformer housing, energy are provided in fixed seat
It is enough to ensure that the relative position of fixed seat and transformer housing change, and ensure that secondary connection cover position in casting process
The accuracy set.
Further, the fixed seat has for the cylindrical tube for coil encircling with setting in the middle part of transformer housing
The interconnecting piece of body connection, fixed seat location structure are arranged on the interconnecting piece.
Advantage is：Cylindrical tube, interconnecting piece and the cylinder of fixed seat are provided in transformer housing
Cylinder connects, and is directly processed installation using the original size of transformer housing, reduces to the secondary of transformer housing
Processing, ensure that the intensity of transformer housing, and when coil is installed in transformer housing, the too small meeting pair of internal diameter of coil
Cylindrical tube generates crimp, and interconnecting piece is correspondingly arranged at cylindrical tube, and a resistance can be generated to cylinder
The support force of coils press power ensure that the appearance of transformer housing.
Further, the fixed seat includes for positioning the plug division being plugged in the cylindrical tube body, the company
Socket part is formed by plug division.
Advantage is：Fixed seat is plugged in by plug division positioning in cylindrical tube body, easy to operate, and cooperation is closed
System stablizes.
Further, the fixed seat includes discoid main body, be provided on the peripheral surface of the main body for institute
State the block step of the end face block cooperation of cylindrical tube.
Advantage is：It is provided with block step in discoid main body, can consolidate by the structure of itself
The structure for being scheduled in transformer housing, and not being fixedly connected between disk and transformer housing, the technology when completing to pour into a mould
Personnel can directly remove disk from transformer housing, be dismounted convenient for technical staff.
Further, the fixed seat further includes the linking arm being arranged that overhangs, and the separate terminal enclosure fixed structure setting is even
Connect the projecting end of arm.
Advantage is：Separate terminal enclosure fixed structure is arranged on the projecting end of linking arm, and secondary connection cover passes through company
It connects arm sling to extend in the casting space poured into a mould, the activity space of linking arm is larger, and secondary connection covers on cast
During always situated in linking arm lower section, ensure that cast will not have an impact linking arm.
Further, separate terminal enclosure fixed structure is the bolt penetration hole being arranged in the projecting end of the linking arm.
Advantage is：Set separate terminal enclosure fixed structure to bolt penetration hole, it can be by secondary connection using bolt
Cover releasable connection on the connecting arm, after completing to pour into a mould, after secondary connection cover and transformer housing are fixed by epoxy resin,
Directly secondary connection cover can be removed from linking arm, in order to the progress of assembly work next time.
Further, the linking arm is fixed strip of the releasable connection in fixed seat.
Advantage is：Set the form of linking arm to fixed strip, it is simple in structure, it is realized convenient for technical staff,
And releasable connection between fixed seat and fixed strip can dismount fixed seat and fixed strip after casting complete, reduce
The floor space of tooling.
Further, the fixed strip be equipped with locating piece, locating piece have for secondary connection cover location fit
Positioning surface.
Advantage is：Locating piece is provided on fixed strip, locating piece has to be determined with what secondary connection cover coordinated
Plane can carry out positioning company by positioning surface when secondary connection cover releasable connection is on fixed strip to secondary connection cover
It connects, and be provided with locating piece to ensure that the position of secondary connection cover keeps certain.
Description of the drawings
Fig. 1 be in the present invention current transformer pour into a mould in tooling embodiment 1 with mutual inductor assembly relation schematic diagram；
Fig. 2 be in the present invention current transformer pour into a mould in tooling embodiment 1 with mutual inductor assembly relation vertical view；
Fig. 3 is the sectional view that current transformer pours into a mould transformer housing in tooling embodiment 1 in the present invention；
Fig. 4 is the vertical view that current transformer pours into a mould transformer housing in tooling embodiment 1 in the present invention；
Fig. 5 is the sectional view that current transformer pours into a mould secondary connection cover in tooling embodiment 1 in the present invention；
Fig. 6 is the vertical view that current transformer pours into a mould secondary connection cover in tooling embodiment 1 in the present invention；
Fig. 7 is the vertical view that current transformer pours into a mould disk in tooling embodiment 1 in the present invention；
Fig. 8 is the sectional view that current transformer pours into a mould disk in tooling embodiment 1 in the present invention；
Fig. 9 is the structural schematic diagram that current transformer pours into a mould fixed strip in tooling embodiment 1 in the present invention；
Figure 10 be in the present invention current transformer pour into a mould in tooling embodiment 2 with mutual inductor assembly relation vertical view；
Figure 11 be in the present invention current transformer pour into a mould in tooling embodiment 3 with mutual inductor assembly relation vertical view.
In figure：1. transformer housing；11. casting space；12. inner cavity；2. coil；3. disk；31. step；32. disk is worn
Hole；4. fixed strip；41. fixed strip is perforated；42. screw hole；43. locating piece；5. secondary connection cover；51. secondary connection cage apertures；6. ring
Oxygen resin；7. bolt A；8. bolt B；9. integral type disk；10. chuck.
Specific implementation mode
As shown in Figures 1 to 9, it is the embodiment 1 of current transformer cast tooling in the present invention：It needs to carry out cast encapsulation
Current transformer include transformer housing 1 and the coil 2 that is arranged in transformer housing 1, be packaged in current transformer
When, the secondary connection cover 5 of current transformer is fixed at by pouring into a mould tooling in the casting space 11 in transformer housing 1,
Secondary connection cover 5 and transformer housing 1 can be fixed together when epoxy resin 6 is full of casting space 11.Current Mutual Inductance
It includes two parts that device, which pours into a mould tooling, and the constant fixed seat of relative position is respectively realized with transformer housing and is arranged in fixed seat
On separate terminal enclosure fixed structure, separate terminal enclosure fixed structure is fixedly connected with the secondary connection cover of current transformer, by secondary connection
Cover is fixed in the casting space in transformer housing for cast, after mutual inductor casting complete, secondary connection cover and mutual inductance
It is connected by epoxy resin between device shell, forms one.
In order to ensure the relative position relation of fixed seat and transformer housing, fixed seat positioning knot is provided in fixed seat
Structure can ensure the position relationship of fixed seat and transformer housing, wherein the form of fixed seat is set as round in casting process
Disk 3 includes a cylindrical tube being looped around in coil 2 in transformer housing 1, and the opening in the inner cavity of cylinder 12 is interior
Lumen pore, and the size fit of the radial dimension of disk 3 and lumen orifice, make disk 3 be located in lumen orifice, and on disk 3
Be provided with can with the step 31 of the end face block cooperation of lumen orifice, disk 3 is mounted in lumen orifice convenient for technical staff and
It is taken out from lumen orifice.And the internal diameter size that will appear coil 2 when mutual inductor is assembled is too small and squeezes inner cavity 12, leads
The problem of causing transformer housing 1 to deform, and the setting of disk 3 can be reached in lumen orifice and is supported to inner cavity 12, when inner cavity 12
When cavity wall is squeezed, disk 3 understands one reaction force of cavity wall to inner cavity 12 to resist the extruding force of coil.
The linking arm for the setting that overhangs is provided in fixed seat, and the projecting end in linking arm is arranged in separate terminal enclosure fixed structure
On, the concrete structure of linking arm is the fixed strip 4 with 3 releasable connection of fixed seat, that is, disk, and one end of fixed strip 4 is provided with work
For the screw hole 42 of separate terminal enclosure fixed structure, the bolt B 8 as threaded fastener is equipped in screw hole 42, in secondary connection cover 5
On offer the secondary connection cage apertures 51 coordinated with bolt B 8, for 5 releasable connection of secondary connection cover with current transformer,
And it is provided with corresponding disk perforation 32 and fixed strip perforation 41 on disk 3 and fixed strip 4, reality is inserted in two perforation
The bolt A7 of 4 releasable connection of existing disk 3 and fixed strip can carry out disk 3 and fixed strip 4 when that need not use tooling
Dismounting is to reduce space.Locating piece 43 is additionally provided on fixed strip 4, locating piece 43 is mounted in fixed strip 4 on disk 3
When can be between secondary connection cover 5 and disk 3, and locating piece 43 has close to the side of secondary connection cover 5 and connects with secondary
The positioning surface of the outer surface location fit of irdome 5 can ensure secondary connection cover when fixing secondary connection cover 5 on fixed strip 4
5 relative to disk 3 and the relative position of transformer housing 1.
When technical staff using the mutual inductor cast tooling in the present invention come when fixing secondary connection cover 5, first by 3 He of disk
Fixed strip 4 carries out releasable connection, and disk 3 can be supported and fix to fixed strip 4, be kept fixed the stability of item 4, then
Secondary connection cover 5 is bolted on fixed strip 4 again, disk 3 is mounted in the lumen orifice of transformer housing 1, fixation
Item 4 realized by the support of disk 3 secondary connection cover 5 is vacantly arranged be provided in transformer housing 1 coil for
In the space of cast.
After the position of secondary connection cover 5 is adjusted in place, to 11 casting epoxy resin 6 of casting space of transformer housing 1,
Coil 2 is encapsulated in casting space 11 by epoxy resin 6, and with the progress of cast, and epoxy resin 6 is spread to a high position, because
Vacantly it is arranged on the top of casting space 11 by fixed strip 4 for secondary connection cover 5, epoxy resin 6 connects with secondary connection cover 5
It touches, and secondary connection cover 5 and transformer housing 1 is fixed as one.In casting process, technical staff need not reuse hand
The form of work can be protected because of fixed strip 4 to fix secondary connection cover 5 to make secondary connection cover 5 be connect with mutual inductor shell 1
The stability of connection and the consistency of product size are demonstrate,proved, yields is improved.After casting complete, technical staff by disk 3 and
Fixed strip 4 is removed from transformer housing 1, and next production can be carried out after clearing up the surface of disk 3 and fixed strip 4
The assembly of product.
As shown in Figure 10, it is the embodiment 2 of mutual inductor cast tooling in the present invention：Only with the difference of above-described embodiment
It is the structure of the disk as fixed seat, the integral type disk being an integral structure is arranged in disk and fixed strip in this example
9, reduce the connection relation between disk and fixed strip, improves the bonding strength of tooling.
As shown in figure 11, it is the embodiment 3 of mutual inductor cast tooling in the present invention：Only with the difference of above-described embodiment
It is the structure of the disk as fixed seat, fixed seat could be provided as chuck 10 in this example, is provided on chuck 10 pair
Fixed strip is supported outside fixed area, reduces the area blocked to the inner cavity of transformer housing, only in chuck 10
The upper part that some internal cavity wall is arranged and is supported, enables chuck 10 to generate the branch of a resistance to deformation to internal chamber wall
Support force.
In other embodiments, fixed seat may be replaced by other forms, for example, by fixed seat be set as not with mutual inductance
The holder of device shell contact, and the relative position between holder and transformer housing will not change, and what is connect with holder consolidates
Determining item equally can keep supporting the fixed of secondary connection cover in casting process, and secondary connection cover is made to be maintained at certain position
Until casting complete cures.
In other embodiments, fixed seat may be replaced by other forms, such as set and mutual inductor fixed seat to
The cylinder that cylindrical tube coordinates in shell, is provided with fixed strip on the cylinder, will can directly make when being poured into a mould
It is inserted into cylindrical tube body for the cylinder of fixed seat, the contact area bigger of cylinder and cylindrical tube, stability is more
It is good, and the support force that cylinder generates transformer housing is larger, and the effect of anti-deformation is more preferable.
In other embodiments, the matching relationship between fixed strip and secondary connection cover may be replaced by other forms,
Such as set fixed strip to the strip of secondary connection cover is clamped in the horizontal direction, in cast, control epoxy resin will not glue
Company commander's item.
In other embodiments, fixed seat can also use other forms, such as fixed seat is set as covering in mutual inductor
Cover board on shell is provided with linking arm to be fixedly connected to secondary connection cover on the cover board.
Above-described specific implementation mode, to the present invention goal of the invention, technical solution and advantageous effect carried out into
One step is described in detail, it should be understood that the foregoing is merely the specific implementation mode of the present invention, is not used to limit this
The protection domain of invention, every any modification, equivalent substitution, improvement and etc. within the spirit and principles in the present invention, done,
It should be included within protection scope of the present invention.
Claims (9)
1. current transformer pours into a mould tooling, it is characterised in that：Include being fixed for the transformer housing relative to current transformer
The fixed seat of setting, the secondary connection cover being provided in fixed seat for current transformer are fixedly connected so that secondary connection cover is kept
Separate terminal enclosure fixed structure in the fixed position of transformer housing.
2. current transformer according to claim 1 pours into a mould tooling, it is characterised in that：The fixed seat have for it is mutual
Sensor shell is fixedly connected so that transformer housing fixed fixed seat location structure of the fixed seat relative to current transformer.
3. current transformer according to claim 2 pours into a mould tooling, it is characterised in that：The fixed seat have for it is mutual
The interconnecting piece of the cylindrical tube connection for coil encircling of sensor housing central section setting, fixed seat location structure are arranged described
On interconnecting piece.
4. current transformer according to claim 3 pours into a mould tooling, it is characterised in that：The fixed seat includes for positioning
It is plugged in the plug division in the cylindrical tube body, the interconnecting piece is formed by plug division.
5. current transformer according to claim 4 pours into a mould tooling, it is characterised in that：The fixed seat includes discoid
Main body is provided with the block step for the end face block cooperation with the cylindrical tube on the peripheral surface of the main body.
6. the current transformer according to any one of claim 2-5 pours into a mould tooling, it is characterised in that：The fixed seat is also
Include the linking arm for the setting that overhangs, the projecting end in linking arm is arranged in the separate terminal enclosure fixed structure.
7. current transformer according to claim 6 pours into a mould tooling, it is characterised in that：Separate terminal enclosure fixed structure is that setting exists
The bolt penetration hole of the projecting end of the linking arm.
8. current transformer according to claim 7 pours into a mould tooling, it is characterised in that：The linking arm is that releasable connection exists
Fixed strip in fixed seat.
9. current transformer according to claim 8 pours into a mould tooling, it is characterised in that：The fixed strip is equipped with positioning
Part, locating piece have for the positioning surface with secondary connection cover location fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810433446.1A CN108711501B (en) | 2018-05-08 | 2018-05-08 | Casting tool for current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810433446.1A CN108711501B (en) | 2018-05-08 | 2018-05-08 | Casting tool for current transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108711501A true CN108711501A (en) | 2018-10-26 |
| CN108711501B CN108711501B (en) | 2024-01-19 |
Family
ID=63868745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810433446.1A Active CN108711501B (en) | 2018-05-08 | 2018-05-08 | Casting tool for current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108711501B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117577443A (en) * | 2024-01-16 | 2024-02-20 | 淄博速悦电子有限公司 | Combined current transformer and preparation process thereof |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1031353A (en) * | 1962-03-21 | 1966-06-02 | Ass Elect Ind | Improvements relating to terminal boxes for electrical apparatus |
| DE3321721A1 (en) * | 1983-06-16 | 1984-12-20 | Vogt Gmbh & Co Kg, 8391 Erlau | Universal potting housing for annular-core inductors and annular-core transformers |
| CN1307727A (en) * | 1998-07-27 | 2001-08-08 | 西门子公司 | Switching device with housing bottom as a sub-assembly and corresponding production method |
| CN201036153Y (en) * | 2007-04-30 | 2008-03-12 | 大连北方互感器有限公司 | Backbone type bus current mutual inductor |
| CN201307516Y (en) * | 2008-11-20 | 2009-09-09 | 厦门大一互科技有限公司 | Mounting structure of secondary wiring cover and wiring box of current transformer |
| CN201336218Y (en) * | 2009-01-19 | 2009-10-28 | 浙江天际互感器有限公司 | Voltage-current combined type transformer for high pressure measurement |
| CN201408639Y (en) * | 2009-01-19 | 2010-02-17 | 浙江天际互感器有限公司 | Indoor semi-closed single-phase potential transformer |
| JP2012063286A (en) * | 2010-09-17 | 2012-03-29 | Ngk Spark Plug Co Ltd | Gas sensor unit |
| CN202373444U (en) * | 2011-07-28 | 2012-08-08 | 大连金业电力设备有限公司 | Indoor reinforcing imported-technique post type current transformer |
| CN202816646U (en) * | 2012-08-01 | 2013-03-20 | 保定市水木电器设备有限公司 | Current transformer casting tooling clamp |
| CN105428046A (en) * | 2015-11-23 | 2016-03-23 | 河南平芝高压开关有限公司 | GIS externally-mounted current transformer |
| CN205542361U (en) * | 2016-01-19 | 2016-08-31 | 常州欧瑞电气股份有限公司 | Voltage transformer with equalizer ring |
| CN106373767A (en) * | 2016-10-13 | 2017-02-01 | 河南平高通用电气有限公司 | Pouring type current transformer body fixed mount and pouring mold using same |
| CN208093359U (en) * | 2018-05-08 | 2018-11-13 | 河南森源电气股份有限公司 | A kind of current transformer cast tooling |
-
2018
- 2018-05-08 CN CN201810433446.1A patent/CN108711501B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1031353A (en) * | 1962-03-21 | 1966-06-02 | Ass Elect Ind | Improvements relating to terminal boxes for electrical apparatus |
| DE3321721A1 (en) * | 1983-06-16 | 1984-12-20 | Vogt Gmbh & Co Kg, 8391 Erlau | Universal potting housing for annular-core inductors and annular-core transformers |
| CN1307727A (en) * | 1998-07-27 | 2001-08-08 | 西门子公司 | Switching device with housing bottom as a sub-assembly and corresponding production method |
| CN201036153Y (en) * | 2007-04-30 | 2008-03-12 | 大连北方互感器有限公司 | Backbone type bus current mutual inductor |
| CN201307516Y (en) * | 2008-11-20 | 2009-09-09 | 厦门大一互科技有限公司 | Mounting structure of secondary wiring cover and wiring box of current transformer |
| CN201336218Y (en) * | 2009-01-19 | 2009-10-28 | 浙江天际互感器有限公司 | Voltage-current combined type transformer for high pressure measurement |
| CN201408639Y (en) * | 2009-01-19 | 2010-02-17 | 浙江天际互感器有限公司 | Indoor semi-closed single-phase potential transformer |
| JP2012063286A (en) * | 2010-09-17 | 2012-03-29 | Ngk Spark Plug Co Ltd | Gas sensor unit |
| CN202373444U (en) * | 2011-07-28 | 2012-08-08 | 大连金业电力设备有限公司 | Indoor reinforcing imported-technique post type current transformer |
| CN202816646U (en) * | 2012-08-01 | 2013-03-20 | 保定市水木电器设备有限公司 | Current transformer casting tooling clamp |
| CN105428046A (en) * | 2015-11-23 | 2016-03-23 | 河南平芝高压开关有限公司 | GIS externally-mounted current transformer |
| CN205542361U (en) * | 2016-01-19 | 2016-08-31 | 常州欧瑞电气股份有限公司 | Voltage transformer with equalizer ring |
| CN106373767A (en) * | 2016-10-13 | 2017-02-01 | 河南平高通用电气有限公司 | Pouring type current transformer body fixed mount and pouring mold using same |
| CN208093359U (en) * | 2018-05-08 | 2018-11-13 | 河南森源电气股份有限公司 | A kind of current transformer cast tooling |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117577443A (en) * | 2024-01-16 | 2024-02-20 | 淄博速悦电子有限公司 | Combined current transformer and preparation process thereof |
| CN117577443B (en) * | 2024-01-16 | 2024-04-02 | 淄博速悦电子有限公司 | Combined current transformer and preparation process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108711501B (en) | 2024-01-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208093359U (en) | A kind of current transformer cast tooling | |
| CN108711501A (en) | Current transformer pours into a mould tooling | |
| CN107546018B (en) | Three-phase combined type voltage transformer internal body with primary melting core | |
| CN205159801U (en) | Bus connector | |
| CN205159810U (en) | Cubical switchboard that easily splices | |
| CN207134234U (en) | A kind of coil pouring mould | |
| CN108335893A (en) | A kind of voltage transformer with fuse high-tension shielding apparatus | |
| CN213958745U (en) | Built-in current transformer | |
| CN201256073Y (en) | Integrated depositing type transducer and producing mold | |
| CN106158354B (en) | A kind of smoothing reactor coil winding arrangement | |
| CN212461390U (en) | Insulation pouring mold for inductance coil | |
| CN204953137U (en) | Detachable top electromagnetism knocker of coil | |
| CN206716976U (en) | Box moulding equipment for electric motor end cap casting | |
| CN205406268U (en) | Open -type current transformer | |
| CN104916422A (en) | Limiting casting mold for transformer coil | |
| CN214898011U (en) | Photovoltaic horseshoe-shaped double-layer flat coil | |
| CN207074594U (en) | A kind of aluminum hull electric power extension set | |
| CN106158343B (en) | The production method of Open Type Electric Current Mutual Inductor | |
| CN208090069U (en) | A kind of draw type tap clump weight | |
| CN201011519Y (en) | Novel pouring type current mutual inductor | |
| CN207834052U (en) | A kind of vertical ring common mode inductance | |
| CN205959767U (en) | Smoothing reactor coil winding device | |
| CN206312691U (en) | It is easily installed fixed toroidal inductor | |
| CN208093351U (en) | A kind of current transformer | |
| CN201262861Y (en) | Vertical inductor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |