CN203950665U - Case type instrument transformer - Google Patents
Case type instrument transformer Download PDFInfo
- Publication number
- CN203950665U CN203950665U CN201420319784.XU CN201420319784U CN203950665U CN 203950665 U CN203950665 U CN 203950665U CN 201420319784 U CN201420319784 U CN 201420319784U CN 203950665 U CN203950665 U CN 203950665U
- Authority
- CN
- China
- Prior art keywords
- housing
- wall
- inner hole
- instrument transformer
- hole wall
- 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 - Lifetime
Links
- 229920005989 resin Polymers 0.000 claims abstract description 11
- 239000011347 resin Substances 0.000 claims abstract description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000004804 winding Methods 0.000 claims abstract description 10
- 239000003292 glue Substances 0.000 claims abstract description 7
- 238000001746 injection moulding Methods 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims description 42
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 23
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000000465 moulding Methods 0.000 abstract description 5
- 229920006335 epoxy glue Polymers 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000010412 perfusion Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000005266 casting Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Transformers For Measuring Instruments (AREA)
- Insulating Of Coils (AREA)
Abstract
The utility model discloses a kind of case type instrument transformer, it comprises that it contains the instrument transformer body of iron core and winding, described instrument transformer body comprises the first housing and the second housing that is mutually fastened on one, between this first housing and the second housing, form an annular housing, described iron core and winding are positioned in this annular housing and the gap-fill in this annular housing has mixed with resin glue.This utility model is simple in structure, by establishing on instrument transformer body by mechanical connection as the first housing and the second housing that fasten, make coil when perfusion resin epoxy glue, not need extra making to water injection molding, reduced molding cost, production capacity is not poured into a mould mould restricted number, saved removable die process, shorten the production technology time, therefore, also reduced production cost, improved production efficiency high, applicable to production in enormous quantities.
Description
Technical field
The utility model relates to instrument transformer technical field, is specifically related to a kind of case type instrument transformer.
Background technology
Instrument transformer is the equipment of scaling transformation voltage or electric current; its function is mainly that high voltage or large electric current scaling transformation are become to standard low-voltage (100V) or normalized current (5A or 1A; all refer to rated value), to realize standardization, the miniaturization of measuring instrument, protection equipment and automatic control equipment.Meanwhile, instrument transformer also can be used to separate high-voltage system, to guarantee the safety of the person and equipment.
Traditional instrument transformer profile is all to adopt mixed with resin glue to carry out moulding by casting substantially, and cast-type mutual inductor, need establish separately mould and pour into a mould, and complex manufacturing, is difficult to realize mass production, and molding cost is high.And case type instrument transformer does not need to establish separately mould when carrying out the cast of mixed with resin glue, shortened the production technology time, reduced production cost.
Summary of the invention
For above-mentioned weak point of the prior art, the utility model aims to provide a kind of case type instrument transformer, and production technology is simple, and production cost is low, and production efficiency is high, applicable to production in enormous quantities.
To achieve these goals, the technical solution of the utility model: a kind of case type instrument transformer, it comprises that it contains the instrument transformer body of iron core and winding, described instrument transformer body comprises the first housing and the second housing that is mutually fastened on one, between this first housing and the second housing, form an annular housing, described iron core and winding are positioned in this annular housing and the gap-fill in this annular housing has mixed with resin glue.
Further, described the first housing and the second housing are respectively by ABS or PC or nylon or quality of rubber materials integrated injection molding.
Further, described the first housing comprises the first base that is annular, with integrated the first peripheral outer wall in this first base, the first cable inner hole wall, and described the first peripheral outer wall and this same axis of the first cable inner hole wall; Described the second housing comprises and described first parallel the second corresponding base, base, and the second peripheral outer wall, the second cable inner hole wall that match with the free end of described the first peripheral outer wall, the first cable inner hole wall respectively, this second peripheral outer wall, the second cable inner hole wall and described the second base are one-body molded.
Further, between described the first peripheral outer wall and described the second peripheral outer wall, between described the first cable inner hole wall and the second cable inner hole wall, all by step interlock, coordinate.
Further, the outer/inner step that described the second peripheral outer wall matches for the outer wall inside/outside step with in described the first peripheral outer wall; The inside/outside step that described the second cable inner hole wall matches for the outer/inner step of inner hole wall with on described the first cable inner hole wall, and the outer/inner step of inner hole wall on the outer wall inside/outside step in described the first peripheral outer wall and described the first cable inner hole wall arranges opposite direction.
The beneficial effects of the utility model: simple in structure, by establishing on instrument transformer body by mechanical connection as the first housing and the second housing that fasten, make coil when perfusion resin epoxy glue, not need extra making to water injection molding, reduced molding cost, production capacity is not poured into a mould mould restricted number, saved removable die process, shorten the production technology time, therefore, also reduced production cost, improved production efficiency high, applicable to production in enormous quantities.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is structural representation sketch of the present utility model;
Fig. 2 is the cross-sectional schematic of the first housing in Fig. 1;
Fig. 3 is the cross-sectional schematic of the second housing in Fig. 1.
Embodiment
Below in conjunction with specific embodiment and accompanying drawing, further describe the utility model.
A kind of case type instrument transformer as described in Fig. 1-Fig. 3, it comprises that it contains the instrument transformer body of iron core and winding, described instrument transformer body comprises the first housing 1 and the second housing 2 that is mutually fastened on one, between this first housing 1 and the second housing 2, form an annular housing 3, described iron core and winding are positioned in this annular housing 3 and the gap-fill in this annular housing 3 has mixed with resin glue.
The first housing 1 in the utility model and the second housing 2 are respectively by after ABS or PC or nylon or quality of rubber materials integrated injection molding, the iron core of composition instrument transformer and winding etc. are positioned on this first housing 1, and the second housing 2 is fastened on this first housing 1, finally carry out casting resin epoxy glue.By establishing on instrument transformer body by mechanical connection as the first housing 1 and the second housing 2 that fasten, make coil when perfusion resin epoxy glue, not need extra making to water injection molding, reduced molding cost, production capacity is not poured into a mould mould restricted number, has saved removable die process, has shortened the production technology time, therefore, production cost is low, and production efficiency is high, applicable to production in enormous quantities.
At length, as shown in Figure 2,3, described the first housing 1 comprises the first base 13 that is annular, with integrated the first peripheral outer wall 14 in this first base 13, the first cable inner hole wall 15, and described the first peripheral outer wall 14 and these the first cable inner hole wall 15 same axis; Described the second housing 2 comprises and described first parallel the second corresponding base 22, base 13, and the second peripheral outer wall 22, the second cable inner hole wall 21 that match with the free end of described the first peripheral outer wall 14, the first cable inner hole wall 15 respectively, this second peripheral outer wall 22, the second cable inner hole wall 21 and described the second base 22 are one-body molded.And between described the first peripheral outer wall 14 and described the second peripheral outer wall 22, all coordinate by step interlock between described the first cable inner hole wall 15 and the second cable inner hole wall 21.Between the first peripheral outer wall 14 and the second peripheral outer wall 22, and with described the first peripheral outer wall 14 and the second peripheral outer wall 22 all with coordinating between the first cable inner hole wall 15 of axis and the second cable inner hole wall 21, again in conjunction with being poured into the characteristic of the mixed with resin glue in annular housing 3 between it, guaranteed the stability being connected between described the first housing 1 and the second housing 2.
Further, the outer/inner step that described the second peripheral outer wall 22 matches for the outer wall inside/outside step 12 with in described the first peripheral outer wall 14; The inside/outside step that described the second cable inner hole wall 21 matches for the outer/inner step 11 of inner hole wall with on described the first cable inner hole wall 15, and the outer wall inside/outside step in described the first peripheral outer wall 14 12 arranges opposite direction with the outer/inner step 11 of inner hole wall on described the first cable inner hole wall 15.Wherein, described the second peripheral outer wall 22, the second cable inner hole wall 21 correspond to outer/inner step, inside/outside step, being similar to described the second housing 2 is the side cover of the first housing 1, and described the second peripheral outer wall 22, the second cable inner hole wall 21 are connecting portion, iron core and the assembling and positioning of winding on described the first housing 1 described in while like this, having facilitated assembling.
For the concrete stepped profile on described the first peripheral outer wall 14, the first cable inner hole wall 15, the second peripheral outer wall 22, the second cable inner hole wall 21, such as described the second peripheral outer wall 22 is made as to outer step, it in described the first peripheral outer wall 14, is step in outer wall, described the second cable inner hole wall 21 is interior step, and described the first cable inner hole wall 15 is the outer step of inner hole wall; And for example described the second peripheral outer wall 22 being made as to interior step, is the outer step of outer wall in described the first peripheral outer wall 14, and described the second cable inner hole wall 21 is outer step, and described the first cable inner hole wall 15 is step in inner hole wall.
The technical scheme above the utility model embodiment being provided is described in detail, applied specific case herein the principle of the utility model embodiment and execution mode are set forth, the explanation of above embodiment is only applicable to help to understand the principle of the utility model embodiment; , for one of ordinary skill in the art, according to the utility model embodiment, in embodiment and range of application, all will change, in sum, this description should not be construed as restriction of the present utility model meanwhile.
Claims (5)
1. a case type instrument transformer, comprise that it contains the instrument transformer body of iron core and winding, it is characterized in that: described instrument transformer body comprises the first housing (1) and the second housing (2) that is mutually fastened on one, between this first housing (1) and the second housing (2), form an annular housing (3), described iron core and winding are positioned in this annular housing (3) and the gap-fill in this annular housing (3) has mixed with resin glue.
2. case type instrument transformer according to claim 1, is characterized in that: described the first housing (1) and the second housing (2) are respectively by ABS or PC or nylon or quality of rubber materials integrated injection molding.
3. case type instrument transformer according to claim 1 and 2, it is characterized in that: described the first housing (1) comprises the first base (13) that is annular, with this integrated first peripheral outer wall in the first base (13) (14), the first cable inner hole wall (15), described the first peripheral outer wall (14) and this same axis of the first cable inner hole wall (15); Described the second housing (2) comprises and parallel corresponding the second base (22), described the first base (13), and the second peripheral outer wall (22), the second cable inner hole wall (21) that match with the free end of described the first peripheral outer wall (14), the first cable inner hole wall (15) respectively, this second peripheral outer wall (22), the second cable inner hole wall (21) and described the second base (22) are one-body molded.
4. case type instrument transformer according to claim 3, is characterized in that: between described the first peripheral outer wall (14) and described the second peripheral outer wall (22), all coordinate by step interlock between described the first cable inner hole wall (15) and the second cable inner hole wall (21).
5. case type instrument transformer according to claim 4, is characterized in that: the outer/inner step that described the second peripheral outer wall (22) matches for the outer wall inside/outside step (12) with in described the first peripheral outer wall (14); The inside/outside step that described the second cable inner hole wall (21) matches for the outer/inner step of inner hole wall (11) with on described the first cable inner hole wall (15), and the outer wall inside/outside step (12) in described the first peripheral outer wall (14) arranges opposite direction with the outer/inner step of inner hole wall (11) on described the first cable inner hole wall (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420319784.XU CN203950665U (en) | 2014-06-16 | 2014-06-16 | Case type instrument transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420319784.XU CN203950665U (en) | 2014-06-16 | 2014-06-16 | Case type instrument transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203950665U true CN203950665U (en) | 2014-11-19 |
Family
ID=51892687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420319784.XU Expired - Lifetime CN203950665U (en) | 2014-06-16 | 2014-06-16 | Case type instrument transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203950665U (en) |
-
2014
- 2014-06-16 CN CN201420319784.XU patent/CN203950665U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141119 |