Protective sleeve of bent flat wire

Abstract

The utility model belongs to the technical field of insulation protection, and discloses a protective sleeve of a bent flat wire, which comprises a sleeve body, the sleeve body is provided with a connecting groove, the size of a groove opening of the connecting groove is matched with the size of the bent flat wire, and the connecting groove is used for enabling the sleeve body to be sleeved on the bent flat wire. According to the utility model, the insulation repair efficiency of people on the insulation injured part of the bent part of the bent flat wire can be improved, and the insulation effect of the insulation injured part of the bent flat wire can be improved. The time for manually winding, binding and bending the flat wire by adopting the conventional insulating film is generally 3-5 minutes, but the time for processing by adopting the protective sleeve disclosed by the utility model is only several seconds, so that compared with the conventional process for manually winding and binding the insulating film, the protective sleeve disclosed by the utility model has the advantages that the manual operation time is saved, and the winding efficiency is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of insulation protection, and in particular relates to a protective cover for a bent flat wire. Background Art

[0002] When the transformer winding segments are wound continuously, the conductor transition segment needs to be made as follows: Figure 3 The bending shape shown in the figure, when bending by machine, the insulation layer of the wire at the bending place will be damaged, and the damaged transition wire needs to be insulated. The conventional treatment method is to wrap it manually with an insulating film, which is time-consuming and labor-intensive. For multi-segment windings, it will consume a lot of processing time and increase labor costs. At present, there is a lack of a protective cover specifically used for insulating and protecting the damaged insulation part of the bent flat wire, so as to improve the insulation repair efficiency of the damaged insulation part of the bent flat wire, and improve the insulation effect of the damaged insulation part of the bent flat wire.

[0003] Therefore, a new technology is needed to solve the problem of lack of a protective cover for bending flat wires in the prior art. Utility Model Content

[0004] In order to solve the above problems in the prior art, the utility model provides a protective cover for a bent flat wire, which can improve the insulation repair efficiency of the damaged insulation part of the bent flat wire, and can improve the insulation effect of the damaged insulation part of the bent flat wire.

[0005] The utility model adopts the following technical solutions:

[0006] A protective sleeve for a bent flat wire comprises a sleeve body, wherein the sleeve body is provided with a connecting groove, the size of the connecting groove matches the size of the bent flat wire, and the connecting groove is used to allow the sleeve body to be sleeved on the bent flat wire.

[0007] Further, the sleeve includes a first planar body, a second planar body, a third planar body, a fourth planar body and a fifth planar body; the first side of the first planar body is connected to the first side of the second planar body, the second side of the second planar body is connected to the first side of the third planar body, the second side of the third planar body is connected to the first side of the fourth planar body, and the second side of the fourth planar body is connected to the first side of the fifth planar body.

[0008] Further, the first plane body and the second plane body are perpendicular to each other; the second plane body and the third plane body are perpendicular to each other; the third plane body and the fourth plane body are perpendicular to each other; and the fourth plane body and the fifth plane body are perpendicular to each other.

[0009] Furthermore, the first planar body and the fifth planar body are parallel to each other and maintain a set groove spacing.

[0010] Furthermore, the second planar body and the fourth planar body are parallel to each other and maintain a set groove spacing.

[0011] Furthermore, the length of the side of the sleeve is 3 to 5 times the width of the bent flat wire.

[0012] Furthermore, the connecting groove is an axially penetrating through groove.

[0013] Furthermore, the connecting groove is an "L"-shaped groove.

[0014] Furthermore, the sleeve is a solid silicone rubber sleeve.

[0015] Furthermore, the sleeve is sleeved on the damaged insulation part of the bent flat wire through the connecting groove, and then a layer of encapsulating insulation layer is poured and cured outside the sleeve and the bent flat wire.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model discloses a protective sleeve for a bent flat wire, comprising a sleeve body, the sleeve body being provided with a connection slot, the slot size of the connection slot matching the size of the bent flat wire, the connection slot being used to allow the sleeve body to be sleeved on the bent flat wire; the utility model can improve the efficiency of people's insulation repair of the injured insulation part of the bent flat wire, and can improve the insulation effect of the injured insulation part of the bent flat wire. The time for manually wrapping the bent flat wire with the conventional insulating film is generally 3 to 5 minutes, while it only takes a few seconds to process with the protective sleeve of the utility model. Compared with the conventional process of manually wrapping the bent flat wire with the insulating film, the utility model saves manual operation time and greatly improves the winding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The technology of the utility model is further described in detail below in conjunction with the accompanying drawings and specific embodiments:

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the protective cover of the utility model;

[0020] Figure 2 It is a schematic diagram showing that two protective sleeves are correspondingly sleeved on two bending parts of the bent flat conductor;

[0021] Figure 3 It is a three-dimensional schematic diagram of a bent flat wire.

[0022] Reference numerals:

[0023] 1-sleeve body; 11-first plane body; 111-top surface; 12-second plane body; 13-third plane body; 14-fourth plane body; 15-fifth plane body; 151-top surface; A-side length; 2-connecting groove; B-axial direction; 3-bent flat wire; C-width; 31-bending position. DETAILED DESCRIPTION

[0024] The following will be combined with the embodiments and drawings to clearly and completely describe the concept, specific structure and technical effects of the utility model, so as to fully understand the purpose, scheme and effect of the utility model. It should be noted that the embodiments and features in the embodiments in this application can be combined with each other without conflict. The same reference numerals used throughout the drawings indicate the same or similar parts.

[0025] It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it can be directly fixed or connected to the other feature, or it can be indirectly fixed or connected to the other feature. In addition, the descriptions of up, down, left, right, etc. used in the present invention are only relative to the relative positional relationship of the components of the present invention in the accompanying drawings.

[0026] Reference Figures 1 to 3 A protective sleeve for a bent flat wire comprises a sleeve body 1, wherein the sleeve body 1 is provided with a connecting groove 2, the slot size of the connecting groove 2 matches the size of the bent flat wire 3, and the connecting groove 2 is used to allow the sleeve body 1 to be sleeved on the bent flat wire 3.

[0027] Reference Figure 1 In one embodiment, the sleeve 1 includes a first planar body 11, a second planar body 12, a third planar body 13, a fourth planar body 14 and a fifth planar body 15; the first side of the first planar body 11 is connected to the first side of the second planar body 12, the second side of the second planar body 12 is connected to the first side of the third planar body 13, the second side of the third planar body 13 is connected to the first side of the fourth planar body 14, and the second side of the fourth planar body 14 is connected to the first side of the fifth planar body 15.

[0028] Reference Figure 1 In one embodiment, the first plane body 11 and the second plane body 12 are perpendicular to each other; the second plane body 12 and the third plane body 13 are perpendicular to each other; the third plane body 13 and the fourth plane body 14 are perpendicular to each other; the fourth plane body 14 and the fifth plane body 15 are perpendicular to each other.

[0029] Reference Figure 1In one embodiment, the first planar body 11 and the fifth planar body 15 are parallel to each other and maintain a set groove spacing.

[0030] Reference Figure 1 In one embodiment, the top surface 111 of the first planar body 11 is flush with the top surface 151 of the fifth planar body 15 .

[0031] Reference Figure 1 In one embodiment, the first planar body 11 and the third planar body 13 are parallel to each other and maintain a set parallel distance.

[0032] Reference Figure 1 In one embodiment, the second planar body 12 and the fourth planar body 14 are parallel to each other and maintain a set groove spacing.

[0033] Reference Figure 1 and Figure 2 In one embodiment, the side length A of the sleeve 1 is 3 to 5 times the width C of the bent flat wire 3 .

[0034] Reference Figure 1 and Figure 2 In one embodiment, the side lengths A of the first plane body 11, the second plane body 12, the third plane body 13, the fourth plane body 14 and the fifth plane body 15 are all equal.

[0035] Reference Figure 1 In one embodiment, the connecting groove 2 is a through groove that penetrates in the axial direction B.

[0036] Reference Figure 1 In one embodiment, the connecting groove is an "L"-shaped groove.

[0037] In one embodiment, the sleeve body 1 is formed by die-casting of solid silicone rubber.

[0038] In one embodiment, the sleeve 1 is sleeved on the damaged insulation part of the bent flat wire 3 through the connecting groove 2 , and then a layer of encapsulating insulation layer is poured and cured outside the sleeve 1 and the bent flat wire 3 .

[0039] In one embodiment, the encapsulating insulating layer is a silicone rubber insulating material; when the sleeve 1 is sleeved on the injured insulation part of the bent flat wire 3 through the connecting groove 2, they are placed in a mold together, and then poured and cured with liquid silicone rubber insulating material. The protective sleeve and the cured silicone rubber insulating material will be firmly combined together to form a complete encapsulating insulation for the bent flat wire 3.

[0040] In one embodiment, the silicone rubber cast multi-pancake high-voltage winding includes 38 vertical transition bent flat conductors 3, each transition section bent flat conductor 3 contains two bending parts 31, each bending part 31 uses a protective sleeve, and a total of 76 protective sleeves are used; the protective sleeve is prefabricated with silicone rubber material, and the side length A of the protective sleeve is 3 to 5 times the width C of the bent flat conductor 3; the entire winding is cast and cured with liquid silicone rubber insulating material, and the protective sleeve and the cast silicone rubber insulating material are integrated to form the overall insulation of the bent flat conductor 3. Compared with the manual winding and wrapping process of the insulating film, after using the protective sleeve, an average of 4 minutes is saved for each bent flat conductor, and 152 minutes of work can be saved after using the protective sleeve for one winding.

[0041] For other contents of the protective cover for the bent flat wire described in the utility model, please refer to the prior art and will not be described in detail here.

[0042] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Therefore, any modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A protective cover for a bent flat wire, characterized in that: The invention comprises a sleeve body, wherein the sleeve body is provided with a connecting groove, the size of the connecting groove matches the size of the bent flat wire, and the connecting groove is used for allowing the sleeve body to be sleeved on the bent flat wire.

2. The protective cover for bent flat wire according to claim 1, characterized in that: The sleeve body includes a first planar body, a second planar body, a third planar body, a fourth planar body and a fifth planar body; the first side of the first planar body is connected to the first side of the second planar body, the second side of the second planar body is connected to the first side of the third planar body, the second side of the third planar body is connected to the first side of the fourth planar body, and the second side of the fourth planar body is connected to the first side of the fifth planar body.

3. The protective cover for bent flat wire according to claim 2, characterized in that: The first plane body and the second plane body are perpendicular to each other; the second plane body and the third plane body are perpendicular to each other; the third plane body and the fourth plane body are perpendicular to each other; and the fourth plane body and the fifth plane body are perpendicular to each other.

4. The protective cover for bent flat wire according to claim 3, characterized in that: The first plane body and the fifth plane body are parallel to each other and maintain a set slot spacing.

5. The protective cover for bent flat wire according to claim 3, characterized in that: The second plane body and the fourth plane body are parallel to each other and maintain a set slot spacing.

6. The protective cover for bent flat wire according to claim 1, characterized in that: The length of the side of the sleeve is 3 to 5 times the width of the bent flat wire.

7. The protective cover for bent flat wire according to claim 1, characterized in that: The connecting groove is an axially penetrating through groove.

8. The protective cover for bent flat wire according to claim 1, characterized in that: The connecting groove is an "L"-shaped groove.

9. The protective cover for bent flat wire according to claim 1, characterized in that: The sleeve body is a solid silicone rubber sleeve body.

10. The protective cover for bent flat wire according to any one of claims 1 to 9, characterized in that: The sleeve is sleeved on the insulation damaged part of the bent flat wire through the connecting groove, and then a layer of encapsulating insulation layer is poured and cured outside the sleeve and the bent flat wire.

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