CN209525381U - The residual current transformer of fool proof assembly - Google Patents
The residual current transformer of fool proof assembly Download PDFInfo
- Publication number
- CN209525381U CN209525381U CN201920113208.2U CN201920113208U CN209525381U CN 209525381 U CN209525381 U CN 209525381U CN 201920113208 U CN201920113208 U CN 201920113208U CN 209525381 U CN209525381 U CN 209525381U
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- China
- Prior art keywords
- lower case
- buckle
- lower casing
- shell
- current transformer
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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.)
- Withdrawn - After Issue
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 10
- 241000826860 Trapezium Species 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
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Abstract
The utility model provides a kind of residual current transformer of fool proof assembly, the residual current transformer includes cricoid shell, the shell is made of upper shell and lower casing, upper shell and lower casing are in semi-circular, upper shell tips upside down on lower casing, upper shell is assembled by upper housing and upper case cover plate, and lower casing is assembled by lower case and lower case cover board；The positive both ends of upper housing and the left and right sides are provided with buckle, and upper housing cover board is also equipped with buckle, and the positive both ends of lower case and the left and right sides are provided with convex block；It is mounted on a U-shaped pushing block at the both ends of lower case, pushing up U-shaped pushing block makes to release clamping engagement between buckle and fixture block.Residual current transformer provided by the utility model simplifies dismounting process, so that dismounting is more convenient, while using fool-proof design, so that assembly more standardizes.
Description
Technical field
The utility model relates to electric fields, and in particular to the residual current transformer assembled to a kind of fool proof.
Background technique
Mutual inductor in the prior art generally includes a shell and the magnet ring for being set to shell, and shell surrounds a confession
The cavity that cable is worn, when cable wears cavity, mutual inductor detects cable.
Above-mentioned mutual inductor in the prior art has the disadvantage in that
1, shell is overall structure, so that cable can only be arranged in cavity by end.
2, two parts of the openable mutual inductor of shell, current this mutual inductor are generally fixed by screw together, and one
Aspect installs more troublesome；Iron core (the forming electromagnet) leakage field for being wound with coil simultaneously is more serious, by bus cable magnetic field
Influence very causes greatly residual current signal detection errors very big.
Utility model content
The utility model provides a kind of residual current transformer of fool proof assembly, and the residual current transformer includes
Cricoid shell, the shell are made of upper shell and lower casing, and upper shell and lower casing are in semi-circular, and upper shell tips upside down on
On lower casing；
Upper shell and lower casing be it is hollow, the inside of upper shell and lower casing is placed with small one and large one two semi-circulars
Magnet ring, and in upper shell and lower casing respective two magnet rings in concentric circles be distributed；
Upper shell is assembled by upper housing and upper case cover plate, lower casing by lower case and lower case cover board assembling and
The back side of upper housing and lower case is separately mounted at, upper housing cover board and lower case cover board；
The positive both ends of upper housing and the left and right sides are provided with buckle, and upper housing cover board is also equipped with buckle, under
The positive both ends of shell and the left and right sides are provided with convex block, and the end of buckle turns down outward, and bayonet and the convex block of buckle are matched
It closes, and the buckle at left and right sides of upper housing is asymmetric about the centre section line of upper housing left and right directions；
Be mounted on a U-shaped pushing block at the both ends of lower case, three side inner walls of U-shaped pushing block respectively with lower case just
Face, side and the fitting of lower case cover board, and the inner wall of two parallel edges of U-shaped pushing block is provided with fixture block, lower case both ends
Front and lower case cover board are provided with the sliding slot of vertical direction, and the inner wall fixture block on two sides of U-shaped pushing block is stuck in lower case
And in the sliding slot of lower case cover board.
Further, lower casing bottom is integrally formed with a pedestal, and the left and right ends of pedestal are provided with through pedestal
The fixed strip hole of the transverse direction of whole thickness.
Further, the top margin of U-shaped pushing block is provided with chamfering.
Further, on front side of U-shaped pushing block and rear side bottom end is provided with the step outwardly protruded, and bench floor is provided with
Skid resistance strip.
Further, buckle is shaped in the outer wall of upper housing；
Convex block is shaped in the outer wall of lower case, and the section of convex block is right-angled trapezium and bevel edge is arranged upward.
Shell is divided into two parts up and down by residual current transformer provided by the utility model, the two parts pass through
Snap is connected together, and greatlies simplify assemble flow；Convenient disassembly is considered simultaneously, we are arranged at lower casing both ends
Have push jack, when need we by shell up and down two be partially separated and come, we push up push jack, and push jack is in upward sliding
During the buckle of upper shell is pushed up outward so that be detached between the buckle of upper shell and the convex block of lower casing, and then release
Snapping connection between upper lower casing, and then can very easily separate upper lower casing, it is screwed compared to more traditional
Upper lower casing, scheme provided by the utility model greatly simplify assemble flow, at the same mutual inductor is integrally changed it is smaller, be suitble to
It is a wide range of to promote the use of；The situation for avoiding mistake installation using fool-proof design is buckled simultaneously, guarantees integral device performance.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the main view of residual current transformer provided by the utility model；
Fig. 2-3 shows shell and lower casing is separated from the schematic diagram come；
Fig. 4 is the explosive view of residual current transformer shell provided by the utility model；
Fig. 5 a and 5b respectively illustrate the snapped-in position figure of upper housing left and right side；
Fig. 6 is the perspective view of push jack；
Fig. 7 is the partial schematic diagram of lower case；
Fig. 8 shows the schematic diagram of shell internal magnetic ring；
Fig. 9 a is that upper lower casing is transferred on schematic diagram together；
Fig. 9 b shows the schematic diagram for pushing up push jack.
Specific embodiment
In the following description, a large amount of concrete details are given more thoroughly to manage in order to provide to the utility model
Solution.It is, however, obvious to a person skilled in the art that the utility model may not need it is one or more of these thin
It saves and is carried out.In other examples, in order to avoid obscuring with the utility model, for more well known in the art
Technical characteristic is not described.
In order to thoroughly understand the utility model, detailed step and detailed structure will be proposed in following description,
To illustrate the technical solution of the utility model.The preferred embodiment of the utility model is described in detail as follows, however in addition to these
Detailed description is outer, and the utility model can also have other embodiments.
The utility model provides a kind of residual current transformer of fool proof assembly, and the residual current transformer includes
Cricoid shell 300, the shell are made of upper shell 100 and lower casing 200, and upper shell 100 and lower casing 200 are in semi-ring
Shape, upper shell 100 tip upside down on lower casing 200；
Upper shell 100 and lower casing 200 be it is hollow, it is big by one that the inside of upper shell 100 and lower casing 200 is placed with one
Small two semiorbicular magnet rings 12 and magnet ring 13, and respective two magnet rings divide in concentric circles in upper shell 100 and lower casing 200
Cloth (as shown in Figure 8)；
Upper shell 100 is assembled by upper housing 1 and upper housing cover board 1a, and lower casing 200 is by lower case 10 and lower case
Cover board 10a assembles, and upper housing cover board 1a and lower case cover board 10a are separately mounted to the back side of upper housing 1 and lower case 10；
The positive both ends of upper housing 1 and the left and right sides are provided with buckle 2, and upper housing cover board 1a is also equipped with buckle
2, the positive both ends of lower case 10 and the left and right sides are provided with convex block 3, buckle 2 end and turn down outward, buckle 2 bayonet
Cooperate with convex block 3, and the buckle at left and right sides of upper housing is asymmetric about the centre section line of upper housing left and right directions；
A U-shaped pushing block 4 (as shown in Figure 6), three side inner walls point of U-shaped pushing block 4 are mounted at the both ends of lower case 10
It is not bonded with the front of lower case 10, side and lower case cover board 10a, and the inner wall setting of two parallel edges of U-shaped pushing block 4
There is fixture block 42, the front at 10 both ends of lower case and lower case cover board 10a are provided with the sliding slot 11 of vertical direction, 4 liang of U-shaped pushing block
The fixture block 42 of a side inner wall is stuck in the sliding slot 11 of lower case 10 and lower case cover board 10a, and pushing up U-shaped pushing block 4 makes
It releases and is engaged by clamping between buckle 2 and convex block 3, it is easier to illustrate as shown in the regional area B of Fig. 9 a-9b, it illustrates only
U-shaped pushing block 4 pushes 2 turned-out schematic diagrames of buckle, and the convex block 3 of lower case 10 is not shown in figure.
As shown in figure 5 a and 5b, which respectively show in one embodiment, buckle schematic diagram at left and right sides of upper housing,
As can be seen, A-A is the hatching of upper housing left and right directions, and the buckle on the left of upper housing is set to upper housing left-side center, upper casing
Buckle on the right side of body is not located at center on the right side of upper housing but is slightly proximal to the back side of upper housing, i.e., at left and right sides of upper housing
Buckle it is asymmetric about the centre section line of upper housing left and right directions.The utility model uses the design of Anti-stiff, user
If the buckle of upper housing two sides cannot be stuck in lower case two on when installing upper housing and lower case, both forward and reverse directions are corresponded to
On the convex block of side, to be unable to complete clamping engagement, only tip upside down in lower case according to the direction of specification could be complete for upper housing
At clamping engagement.
200 bottom of lower casing is integrally formed with a pedestal 9, and the left and right ends of pedestal 9 are provided with through pedestal 9 entirely
The fixed strip hole 8 of the transverse direction of thickness, band, which passes through the fixed strip hole 8 of the transverse direction, can be fixed on other for residual current transformer
On device, quickly fixed effect is played.
Protecting box 7 is equipped in the middle part of the front side of pedestal 9, connecting terminal 5 there are two settings in protecting box 7, and two wiring
Terminal 5 is spaced from each other by the partition in protecting box 7；Protecting box 7 is equipped with an overturning cover board 6.
The top margin of U-shaped pushing block 4 is provided with chamfering, so that U-shaped pushing block 4 is during moving up, it can be preferably by card
It pushes up outward button bottom end.
4 front side of U-shaped pushing block and rear side bottom end are provided with the step 41 outwardly protruded, and 41 bottom surface of step be provided with it is anti-skidding
Striped 43.By the way that step 41 is arranged, enable manpower more easily by U-shaped 4 upward sliding of pushing block, while also improving U
The integral strength of type pushing block 4.The skid resistance strip 43 that 41 bottom surface of step is set is for improving frictional force.
Buckle 2 is shaped in the outer wall of upper housing 1；Convex block 3 is shaped in the outer wall of lower case 10, and convex block 3
Section (perpendicular to the section on 10 surface of lower case) is right-angled trapezium and bevel edge is arranged upward, as shown in Figure 7.
Shell is divided into two parts up and down by the residual current transformer of fool proof assembly provided by the utility model, this two
A part is connected together by snap, greatlies simplify assemble flow；Convenient disassembly is considered simultaneously, we are lower outer
Shell both ends are provided with push jack, when need we by shell up and down two be partially separated and come, we push up push jack, push jack
The buckle of upper shell is pushed up outward during upward sliding, so that being taken off between the buckle of upper shell and the convex block of lower casing
From, and then snapping connection between upper lower casing is released, and then can very easily separate upper lower casing, compared to more traditional
It is screwed lower casing, scheme provided by the utility model greatlies simplify assemble flow, while integrally changing to mutual inductor
It is dynamic smaller, it is suitable for large range promotion use.
The preferred embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, devices and structures not described in detail herein should be understood as with the common side in this field
Formula is practiced；Anyone skilled in the art all may be used in the case where not departing from technical solutions of the utility model ambit
Many possible changes and modifications are made to technical solutions of the utility model using the methods and technical content of the disclosure above, or are repaired
It is changed to the equivalent embodiment of equivalent variations, this has no effect on the substantive content of the utility model.Therefore, all practical without departing from this
The content of new technique scheme, any simple modification made to the above embodiment of foundation the technical essence of the utility model, etc.
With variation and modification, still fall within technical solutions of the utility model protection in the range of.
Claims (5)
1. a kind of residual current transformer of fool proof assembly, which is characterized in that the residual current transformer includes cricoid
Shell, the shell are made of upper shell and lower casing, and upper shell and lower casing are in semi-circular, and upper shell tips upside down on lower casing
On；
Upper shell and lower casing be it is hollow, the inside of upper shell and lower casing is placed with small one and large one two semiorbicular magnetic
Ring, and respective two magnet rings are distributed in concentric circles in upper shell and lower casing；
Upper shell is assembled by upper housing and upper case cover plate, and lower casing is assembled by lower case and lower case cover board, on
Housing cover and lower case cover board are separately mounted to the back side of upper housing and lower case；
The positive both ends of upper housing and the left and right sides are provided with buckle, and upper housing cover board is provided with buckle, lower case front
Both ends and the left and right sides be provided with convex block, lower case cover board is provided with convex block, and the end of buckle turns down outward, buckle
Bayonet and convex block cooperate, and the buckle at left and right sides of upper housing is asymmetric about the centre section line of upper housing left and right directions；
Be mounted on a U-shaped pushing block at the both ends of lower case, three side inner walls of U-shaped pushing block respectively with the front of lower case, side
Face and the fitting of lower case cover board, and the inner wall of two parallel edges of U-shaped pushing block is provided with fixture block, the front at lower case both ends and
Lower case cover board is provided with the sliding slot of vertical direction, and the inner wall fixture block on two sides of U-shaped pushing block is stuck in lower case and lower casing
In the sliding slot of body cover board.
2. the residual current transformer of fool proof assembly as described in claim 1, which is characterized in that lower casing bottom is integrally formed
There is a pedestal, and the left and right ends of pedestal are provided with through the fixed strip hole of transverse direction of pedestal whole thickness.
3. the residual current transformer of fool proof assembly as described in claim 1, which is characterized in that the top margin of U-shaped pushing block is arranged
There is chamfering.
4. the residual current transformer of fool proof assembly as described in claim 1, which is characterized in that U-shaped pushing block front side and rear side
Bottom end is provided with the step outwardly protruded, and bench floor is provided with skid resistance strip.
5. the residual current transformer of fool proof assembly as described in claim 1, which is characterized in that buckle is shaped in upper casing
The outer wall of body；
Convex block is shaped in the outer wall of lower case, and the section of convex block is right-angled trapezium and bevel edge is arranged upward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920113208.2U CN209525381U (en) | 2019-01-23 | 2019-01-23 | The residual current transformer of fool proof assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920113208.2U CN209525381U (en) | 2019-01-23 | 2019-01-23 | The residual current transformer of fool proof assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209525381U true CN209525381U (en) | 2019-10-22 |
Family
ID=68229855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920113208.2U Withdrawn - After Issue CN209525381U (en) | 2019-01-23 | 2019-01-23 | The residual current transformer of fool proof assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209525381U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655649A (en) * | 2019-01-23 | 2019-04-19 | 柏宜照明（上海）股份有限公司 | The residual current transformer of fool proof assembly |
-
2019
- 2019-01-23 CN CN201920113208.2U patent/CN209525381U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655649A (en) * | 2019-01-23 | 2019-04-19 | 柏宜照明（上海）股份有限公司 | The residual current transformer of fool proof assembly |
| CN109655649B (en) * | 2019-01-23 | 2023-12-01 | 柏宜照明（上海）股份有限公司 | Fool-proof assembled residual current transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191022 Effective date of abandoning: 20231201 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20191022 Effective date of abandoning: 20231201 |