Conductive structure of electronic residual-current circuit breaker
By installing an insulating component and opening a connection groove between the conductor and the transformer, the problem of interference between conductors is solved, production efficiency is improved and costs are reduced, while the creepage distance is enhanced.
Patent Information
- Application Number
- CN202520504168.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-21
AI Technical Summary
In existing electronic residual current circuit breakers, mutual interference can easily occur between multiple conductors, leading to low production efficiency and increased costs.
An insulating component is used between the conductor and the zero-sequence current transformer and the current transformer, and a connecting groove adapted to the conductor is opened on the surface of the insulating component, replacing the traditional tape wrapping process.
It improves production efficiency, reduces production costs, and increases the creepage distance of conductors.
Smart Images
Figure CN223911609U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electronic leakage circuit breaker technical field, concretely is a kind of electric structure of electronic leakage circuit breaker. BACKGROUND
[0002] Electronic leakage circuit breaker is also called leakage switch and leakage protector, mainly plays the role of overload and short-circuit protection, can also be used as infrequent switching of line under normal circumstances, with the advantages of strong breaking capacity and good action characteristics.
[0003] However, the electronic leakage circuit breaker in the prior art is provided with multiple conductive bodies, and mutual interference is prone to occur between the multiple conductive bodies. To solve this problem, existing manufacturers usually wind insulating tape on the surface of the conductive body in a process manner. This manner reduces production efficiency and increases production cost of products. SUMMARY
[0004] The utility model discloses a kind of electric structure of electronic leakage circuit breaker, to solve the mutual interference that the multiple conductive bodies between the electronic leakage circuit breaker in the prior art mentioned in above background art are prone to occur, to solve this problem, existing manufacturers usually wind insulating tape on the surface of the conductive body in a process manner. This manner reduces production efficiency and increases production cost of products.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of electric structure of electronic leakage circuit breaker, including base, the base is equally provided with multiple installation cavities in it, the base front end is located in the installation cavity opposite position and is provided with connecting site, the base is provided with installation site between installation cavity and connecting site, current transformer is installed in the installation cavity, zero sequence mutual inductor is installed in the installation site, the connecting site is respectively installed with conductive body, and the conductive body passes through zero sequence mutual inductor and is active in and the current transformer corresponding to conductive body, the conductive body is located between zero sequence mutual inductor and current transformer and is provided with insulating piece.
[0006] Preferably, the insulating piece outer wall both ends and middle part are provided with connecting groove.
[0007] Preferably, the connecting groove inner wall is attached to the conductive body outer wall, and the connecting groove is adapted to the conductive body.
[0008] Advantages
[0009] Compared with the prior art, the utility model has the following advantages:
[0010] The utility model discloses an insulating piece is set to this to replace the traditional adhesive tape winding process mode to improve production efficiency effectively, reduce production cost, and the connecting groove that is adapted with the electric conductor is set up on the surface of insulating piece simultaneously, and the connecting groove is attached with the electric conductor, and this setting effectively increases the creeping distance of electric conductor. BRIEF DESCRIPTION OF DRAWINGS
[0011] Fig. 1 It is the whole cooperation structure schematic diagram of the utility model;
[0012] Fig. 2 It is the partial cooperation structure schematic diagram of the utility model;
[0013] Fig. 3 It is the insulating piece structure schematic diagram of the utility model.
[0014] 1. base; 2. current transformer; 3. zero sequence transformer; 4. electric conductor; 5. insulating piece; 11. installation cavity;
[0015] 12. installation site; 13. connecting site; 51. connecting groove. DETAILED DESCRIPTION
[0016] The technical scheme of the utility model will be described clearly and completely below in combination with embodiments, and obviously, the described embodiments are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of protection of the utility model.
[0017] In the description of the utility model, it is necessary to explain that the orientation or position relation of the terms "up", "down", "left", "right", "front", "back", "inner", "outer", "vertical", "horizontal" etc. shown in the drawing is based on the orientation or position relation of the drawing, and is only for the convenience of describing the present application and simplifying the description, and is not indicative or implied that the indicated device or element must have a particular orientation, and is constructed and operated in a particular orientation, so it is not understood as the limitation of the utility model. In addition, the terms "first", "second", "third" are only for the description purpose, and can not be understood as indicative or implied relative importance.
[0018] As Figs. 1-3It is a kind of electronic leakage circuit breaker's conductive structure's structure schematic diagram of one preferred embodiment of the utility model, in this embodiment, a kind of electronic leakage circuit breaker's conductive structure, including base 1, multiple installation cavities 11 are all set in base 1, connection site 13 is set in the opposite position of installation cavity 11 in the front end of base 1, installation site 12 is set between installation cavity 11 and connection site 13 in base 1, current transformer 2 is installed in installation cavity 11, zero sequence transformer 3 is installed in installation site 12, conductive body 4 is respectively installed in connection site 13, and conductive body 4 passes through zero sequence transformer 3 and is active in and the current transformer 2 corresponding to conductive body 4, conductive body 4 is located between zero sequence transformer 3 and current transformer 2 and is equipped with insulating part 5, the utility model is set by insulating part 5 to replace the traditional adhesive tape winding process mode, to effectively improve production efficiency, reduce production cost.
[0019] In the embodiment, the connecting groove 51 is set in the outer wall of the insulating part 5 at both ends and the middle part, and the inner wall of the connecting groove 51 is in close contact with the outer wall of the conductive body 4. The connecting groove 51 is matched with the conductive body 4. The above structure sets the connecting groove 51 matched with the conductive body 4 on the surface of the insulating part 5, and the connecting groove 51 is in close contact with the conductive body 4. This setting effectively increases the creepage distance of the conductive body 4.
[0020] The above content is a further detailed description of the utility model in combination with the specific implementation mode, and cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary skilled persons in the technical field to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, which should be regarded as belonging to the protection range determined by the claims submitted by the utility model.
Claims
1. An electrically conductive structure for an electronic leakage circuit breaker comprising a base (1), characterized in that: A plurality of installation cavities (11) are formed in the base (1), a connecting position (13) is formed at the front end of the base (1) at a position opposite to the installation cavities (11), an installation position (12) is formed in the base (1) between the installation cavities (11) and the connecting position (13), a current transformer (2) is installed in the installation cavities (11), a zero sequence transformer (3) is installed in the installation position (12), a conductor (4) is installed in the connecting position (13) respectively, the conductor (4) passes through the zero sequence transformer (3) and is movably arranged in the current transformer (2) corresponding to the conductor (4), and an insulating part (5) is sleeved between the zero sequence transformer (3) and the current transformer (2) of the conductor (4).
2. The electrically conductive structure of an electronic leakage circuit interrupter of claim 1, wherein: Connecting grooves (51) are formed at both ends and the middle of the outer wall of the insulating part (5).
3. The conductive structure of an electronic leakage circuit breaker of claim 2, wherein: The inner wall of the connecting groove (51) is attached to the outer wall of the conductor (4), and the connecting groove (51) is matched with the conductor (4).