CN213988795U - Low-power-consumption fuse link with good heat dissipation performance - Google Patents
Low-power-consumption fuse link with good heat dissipation performance Download PDFInfo
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- CN213988795U CN213988795U CN202023217211.0U CN202023217211U CN213988795U CN 213988795 U CN213988795 U CN 213988795U CN 202023217211 U CN202023217211 U CN 202023217211U CN 213988795 U CN213988795 U CN 213988795U
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- fuse
- contact
- heat dissipation
- melt
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Abstract
The utility model discloses a low-power consumption fuse-link that heat dispersion is good, including fuse-element and contact, the fuse-element includes first fuse-element and second fuse-element, the contact is including the first contact of connecting fuse-element one end and the second contact of connecting the fuse-element other end, the fuse-element is arc structure and this fuse-element multilayer annular setting between the contact. The utility model discloses the crooked setting of fuse-element just divide into the second fuse-element of outer first fuse-element and inlayer, first fuse-element and second fuse-element annular setting, compare in current fuse-element possess bigger heat dissipation space and heat dispersion, even also can in time disperse the temperature through the heavy current and reduce the temperature rise, practicality is strong. The connecting portion and the fusing portion of second fuse-element each other become certain angle, and the crooked medial surface of tip of first fuse-element is connected with the contact, compares in prior art and has shortened the length of fuse-element under the prerequisite that does not influence the performance to reach the mesh that reduces fuse-element heating power, be convenient for make the fuse-element be applicable to the operational environment of heavy current.
Description
Technical Field
The utility model relates to a fuse-link technical field, concretely relates to low-power consumption fuse-link that heat dispersion is good.
Background
The fuse link is a core component of a fuse, and the fuse is an electric appliance which fuses a melt by heat generated by the fuse link when a current exceeds a predetermined value, thereby breaking a circuit.
As shown in fig. 6, the melts of the existing fuse-links are all arranged in parallel by adopting a straight plate structure, and when a large current flows through the fuse-links, the power consumption is high due to slow heat dissipation and large heating power, and the fuse-links cannot be applied to a current of more than 50 kiloamperes, so that the fuse-links are very necessary to relate to a melt with good heat dissipation performance.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to solve the above problem, the utility model provides a radiating effect is good, simple structure, and the temperature rise is little the low-power consumption fuse-link that the power is little that generates heat.
(II) technical scheme
The utility model discloses a low-power consumption fuse-link that heat dispersion is good, including fuse-element and the contact that has fusing portion, the fuse-element includes first fuse-element and second fuse-element, the contact is including the first contact of connecting fuse-element one end and the second contact of connecting the fuse-element other end, the fuse-element is arc structure and this fuse-element multilayer annular setting between the contact.
In some embodiments, the end of the first fuse element is bent to one side to form a connecting portion, and the connecting portion and the fusing portion are mutually symmetrical at a certain angle, so that compared with the existing straight plate type fuse element, the length of the fuse element is shortened on the premise of not influencing the fusing performance of the fuse element, and the heating power of the fuse element is further reduced, so that the energy loss is reduced.
In some embodiments, the connecting portion is a unitary structure with the first melt.
In some embodiments, the second melt body comprises a fusing part and an end part with the same radian as the fusing part, and a protruding part with the same bending direction as the fusing part is arranged between the end part and the fusing part.
In some embodiments, the bent inner side surface of the end portion is connected with the contact and matched with the first melt, so that the length of the melt is shortened on the premise of not influencing fusing performance, and the heating power of the melt is further reduced.
In some embodiments, the second fuse link and the boss are a unitary structure.
In some embodiments, the first melt forms a ring shape that is smaller than the ring shape of the second melt.
(III) advantageous effects
Compared with the prior art, the utility model, it has following beneficial effect:
(1) the crooked setting of fuse-element just divide into the second fuse-element of outer first fuse-element and inlayer, first fuse-element and the annular setting of second fuse-element, compare and possess bigger heat dissipation space and heat dispersion in current fuse-element, even also can in time dispel the temperature reduction temperature rise through the heavy current, practicality is strong.
(2) The connecting portion and the fusing portion of second fuse-element have certain angle each other, and the crooked medial surface of tip of first fuse-element is connected with the contact, compares in prior art and has shortened the length of fuse-element under the prerequisite that does not influence the performance to reach the mesh that reduces fuse-element heating power, be convenient for make the fuse-element be applicable to the operational environment of heavy current.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of a preferred embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a first melt according to a preferred embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a second melt according to a preferred embodiment of the present invention.
Fig. 4 is a schematic top view of a preferred embodiment of the present invention (the second melt has been omitted).
Fig. 5 is a schematic top view of a preferred embodiment of the present invention (the first melt is omitted).
FIG. 6 is a schematic structural view of a prior art melt.
1. Contact 11, first contact 12, second contact;
2. melt, 20, first melt, 201, connection portion, 21, second melt, 211, fuse portion, 212, end portion, 213, boss.
Detailed Description
In the prior art, the fuse link comprises a fuse body 2 and contacts 1, the fuse body 2 is of a straight plate type structure and is welded between the contacts 1 in a multi-layer parallel mode, and the fuse body 2 is perpendicular to the end faces of the contacts 1, so that the power consumption caused by the large heating power of the fuse due to poor heat dissipation performance is larger.
As shown in fig. 1-5, it is the utility model discloses a structural schematic of the low-power consumption fuse-link that heat dispersion is good, a low-power consumption fuse-link that heat dispersion is good, including fuse-link 2 and the contact 1 that has fuse portion 211, fuse-link 2 includes first fuse-link 20 and second fuse-link 21, the tip 212 of first fuse-link 20 all forms connecting portion 201 and this connecting portion 201 and first fuse-link 20 formula structure as an organic whole to a lateral bending, connecting portion 201 and fuse portion 211 each other have a certain angle.
The second fuse element 21 comprises a fusing part 211 and an end part 212 with the same radian as the fusing part 211, wherein a convex part 213 with the same bending direction as the fusing part 211 is arranged between the end part 212 and the fusing part 211. The curved inner side of the end 212 is connected to the contact 1. The second fuse link and the boss 213 are of an integral structure. The first melt 20 forms a smaller ring shape than the second melt 21.
In this embodiment, the melt 2 is bent and divided into the outer first melt 20 and the inner second melt 21, and the first melt 20 and the second melt 21 are annularly arranged, so that compared with the existing melt 2, the melt has a larger heat dissipation space and heat dissipation performance, and even if the temperature is dissipated through a large current, the temperature rise can be reduced, so that the melt is high in practicability. The connecting part 201 and the fusing part 211 of the second fused mass 21 have a certain angle with each other, and the curved inner side surface of the end part 212 of the first fused mass 20 is connected with the contact 1, compared with the prior art, the length of the fused mass 2 is shortened on the premise that the performance is not affected, so that the purpose of reducing the heating power of the fused mass 2 is achieved, and the fused mass 2 is convenient to be suitable for a high-current working environment.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (7)
1. A low-power-consumption fuse link with good heat dissipation performance comprises a fuse body (2) with a fuse part (211) and a contact (1),
the method is characterized in that:
the fuse-element (2) comprises a first fuse-element (20) and a second fuse-element (21), the contact (1) comprises a first contact (11) connected with one end of the fuse-element (2) and a second contact (12) connected with the other end of the fuse-element (2), the fuse-element (2) is of an arc structure, and the fuse-element (2) is annularly arranged between the contacts (1) in multiple layers.
2. The low-power-consumption fuse link with good heat dissipation performance according to claim 1, wherein: the end parts (212) of the first melt (20) are bent to one side to form a connecting part (201).
3. The low-power-consumption fuse link with good heat dissipation performance according to claim 2, wherein: the connecting part (201) and the first melt (20) are of an integrated structure.
4. The low-power-consumption fuse link with good heat dissipation performance according to claim 1, wherein: the second fuse-element (21) comprises a fusing part (211) and an end part (212) which is equal to the radian of the fusing part (211), wherein a protruding part (213) which is the same as the fusing part (211) in the bending direction is arranged between the end part (212) and the fusing part (211).
5. The low-power-consumption fuse link with good heat dissipation performance according to claim 4, wherein: the curved inner side of the end part (212) is connected with the contact (1).
6. The low-power-consumption fuse link with good heat dissipation performance according to claim 4, wherein: the second melt (21) and the boss (213) are of a one-piece construction.
7. A low-power-consumption fuse link having excellent heat dissipation performance according to any one of claims 1 to 6, characterized in that: the annular shape of the first melt (20) is smaller than the annular shape of the second melt (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023217211.0U CN213988795U (en) | 2020-12-28 | 2020-12-28 | Low-power-consumption fuse link with good heat dissipation performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023217211.0U CN213988795U (en) | 2020-12-28 | 2020-12-28 | Low-power-consumption fuse link with good heat dissipation performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213988795U true CN213988795U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023217211.0U Active CN213988795U (en) | 2020-12-28 | 2020-12-28 | Low-power-consumption fuse link with good heat dissipation performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213988795U (en) |
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2020
- 2020-12-28 CN CN202023217211.0U patent/CN213988795U/en active Active
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