CN217641192U - Fuse and fuse - Google Patents
Fuse and fuse Download PDFInfo
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- CN217641192U CN217641192U CN202220899272.XU CN202220899272U CN217641192U CN 217641192 U CN217641192 U CN 217641192U CN 202220899272 U CN202220899272 U CN 202220899272U CN 217641192 U CN217641192 U CN 217641192U
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Abstract
The utility model discloses a fuse and fuse, wherein, the fuse includes: a substrate; one end of the first conductive piece is attached to one side surface of the substrate, and the other end of the first conductive piece is attached to the other side surface of the substrate; one end of the second conductive piece is attached to one side surface of the substrate, the other end of the second conductive piece is attached to the other side surface of the substrate, and the first conductive piece and the second conductive piece are arranged at intervals; a fuse that penetrates the substrate; one end of the first conductive circuit is connected with the first conductive piece, and the other end of the first conductive circuit is connected with one end of the fuse piece; and one end of the second conductive circuit is connected with the second conductive piece, and the other end of the second conductive circuit is connected with the other end of the fuse. Through the structure, the utility model discloses a fuse resistance range is bigger, can bear bigger load current, and is compatible higher.
Description
Technical Field
The utility model discloses be applied to circuit fusing's technical field, especially fuse and fuse.
Background
The fuse is an electric appliance which fuses a melt by heat generated by itself to open a circuit when a current exceeds a predetermined value. The fuse melts the melt by the heat generated by the fuse after the current exceeds a specified value for a period of time, so as to cut off the circuit; a current protector is made by applying the principle. The fuse is widely applied to high and low voltage distribution systems, control systems and electric equipment, and is one of the most commonly applied protection devices as a short circuit and overcurrent protector.
At present, a fuse is difficult to bear larger load current, the rated current and the rated voltage of the fuse are difficult to be applied to various complex circuits nowadays, and the application scene of the fuse is limited.
SUMMERY OF THE UTILITY MODEL
The utility model provides a fuse and fuse to the fuse that exists is difficult to bear the problem of great load current among the solution prior art.
In order to solve the technical problem, the utility model provides a fuse, fuse includes: a substrate; one end of the first conductive piece is attached to one side surface of the substrate, and the other end of the first conductive piece is attached to the other side surface of the substrate; one end of the second conductive piece is attached to one side surface of the substrate, the other end of the second conductive piece is attached to the other side surface of the substrate, and the first conductive piece and the second conductive piece are arranged at intervals; the fuse part penetrates through the substrate, and two ends of the fuse part respectively extend to the surfaces of two opposite sides of the substrate along the penetrating direction; one end of the first conductive circuit is connected with the first conductive piece, and the other end of the first conductive circuit is connected with one end of the fuse piece; and one end of the second conductive circuit is connected with the second conductive piece, and the other end of the second conductive circuit is connected with the other end of the fuse piece.
The first conductive piece and the second conductive piece are respectively arranged at two opposite ends of the substrate.
Wherein, first electrically conductive piece includes: the first conducting layer, the first connecting piece and the second conducting layer, wherein one end of the first connecting piece is connected with the first conducting layer, the other end of the first connecting piece is connected with the second conducting layer, the first conducting layer is attached to and arranged on one side surface of the substrate and is connected with the first conducting circuit, and the second conducting layer is attached to and arranged on the other side surface of the substrate; the second conductive member includes: the first conductive layer is connected with one end of the second connecting piece, the second conductive layer is connected with the other end of the second connecting piece, the third conductive layer is arranged on the surface of one side of the substrate in a fit mode, and the fourth conductive layer is arranged on the surface of the other side of the substrate in a fit mode and is connected with the second conductive circuit.
Wherein, the first connecting piece penetrates through the substrate; and the second connecting piece penetrates through the substrate.
The first connecting piece is attached to the side face of one end of the substrate; the second connecting piece is attached to the side face of the other end of the substrate.
Wherein, the first conducting layer, the second conducting layer, the third conducting layer and the fourth conducting layer are respectively provided with a lug boss at one side far away from the substrate.
Wherein, the fuse still includes: a solder resist layer; the solder mask covers the substrate at positions other than the bosses on the opposite side surfaces.
The fuse comprises a tin column and a conducting layer surrounding the periphery of the tin column, and two ends of the conducting layer are respectively connected with the first conducting circuit and the second conducting circuit.
In order to solve the technical problem, the utility model provides a fuse, fuse include the fuse of arbitrary item.
The utility model has the advantages that: be different from prior art's condition, the utility model discloses a fuse is through making the one end of first conducting wire connect first electrically conductive piece, the one end of fuse-element is connected to the other end of first conducting wire, the electrically conductive piece of second is connected to the one end of second conducting wire, the other end of fuse-element is connected to the other end of second conducting wire, thereby make first conducting wire and second conducting wire set up respectively in the relative both sides of base plate, realize the two-sided fusing of fuse, thereby prolong the circuit length of fuse, make the resistance range of fuse bigger, can bear bigger load current, the compatibility is higher can be adapted to more application scenes. And the two ends of the first conductive piece and the second conductive piece are respectively arranged on the surfaces of the two opposite sides of the substrate, so that the substrate can be electrically connected with external equipment or circuits through the surface of any one side, and the external equipment or circuits can be connected into the internal circuit of the fuse through the first conductive piece and the second conductive piece.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the fuse of the present invention;
FIG. 2 is a schematic diagram illustrating a top view of an embodiment of the fuse shown in FIG. 1;
fig. 3 is a schematic structural diagram of another embodiment of the fuse of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1-2, fig. 1 is a schematic structural diagram of an embodiment of the fuse of the present invention, and fig. 2 is a schematic top view structural diagram of an embodiment of the fuse in fig. 1. The schematic diagram of the bottom view structure of the fuse is similar to the schematic diagram of the top view structure, and is not repeated in the following.
The fuse 100 of the present embodiment includes a substrate 130, a first conductive member 110, a second conductive member 120, a fuse 107, a first conductive trace 105, and a second conductive trace 106.
The substrate 130 may specifically include one or more of epoxy, polyimide, bismaleimide Triazine (BT), and ceramic insulating materials.
One end of the first conductive member 110 is attached to one side surface of the substrate 130, the other end of the first conductive member 110 is attached to the other side surface of the substrate 130, and the first conductive member 110 can conduct the two opposite side surfaces of the substrate 130. One end of the second conductive member 120 is attached to one side surface of the substrate 130, the other end of the second conductive member 120 is attached to the other side surface of the substrate 130, and the second conductive member 120 can also conduct the two opposite side surfaces of the substrate 130. And the first conductive member 110 and the second conductive member 120 are spaced apart.
In a specific application scenario, two through holes may be formed in the substrate 130, and the first conductive member 110 and the second conductive member 120 may be respectively connected to two opposite side surfaces of the substrate 130 by penetrating through the corresponding through holes. In another specific application scenario, the first conductive member 110 and the second conductive member 120 may extend from different sides of the substrate 130 to opposite side surfaces of the substrate 130 respectively until the opposite side surfaces of the substrate 130 are conducted. The specific structure is not limited herein.
The fuse 107 of the present embodiment penetrates through the substrate 130, and two ends of the fuse 107 respectively extend to two opposite side surfaces of the substrate 130 along the penetrating direction to conduct two opposite sides of the substrate 130 from inside the plate of the substrate 130. Fuse 107 may be implemented with tin metal or other fusing structures or materials.
One end of the first conductive trace 105 is connected to the first conductive member 110, the other end of the first conductive trace 105 is connected to one end of the fuse 107, one end of the second conductive trace 106 is connected to the second conductive member 120, and the other end of the second conductive trace 106 is connected to the other end of the fuse 107. Thereby enabling the first conductive part 110, the first conductive trace 105, the fuse 107, the second conductive trace 106 and the second conductive trace 106 to be electrically connected in sequence, and realizing the internal circuit conduction function of the fuse 100 and the fusing function of the fuse 107.
The first conductive member 110 and the second conductive member 120 respectively conduct two opposite side surfaces of the substrate 130, so that the substrate 130 can be electrically connected to an external device or circuit through any one side surface, and the external device or circuit can be connected to the internal circuit of the fuse 100 through the first conductive member 110 and the second conductive member 120.
The first conductive traces 105 and the second conductive traces 106 of the present embodiment are respectively disposed on two opposite sides of the substrate 130, which extends the trace length of the fuse 100 and enlarges the operable area of the trace region compared with a fuse blown on a single side, so that the fuse 100 has a larger resistance range and higher compatibility. The first conductive circuit 105 and the second conductive circuit 106 can be wired on the basis of one entire side surface of the substrate 130, so that the line length range of the fuse 100 can be further expanded, the resistance range is further expanded, the fuse can bear larger load current, the compatibility is higher, and the fuse can be suitable for more application scenarios.
And the first conductive circuit 105 and the second conductive circuit 106 can be wired on the basis of a whole side surface of the substrate 130, so that the circuit precision for preparing the first conductive circuit 105 and the second conductive circuit 106 can be improved to a certain extent, and high-precision circuit preparation is realized.
Through the structure, the fuse of this embodiment connects first electrically conductive piece through the one end that makes first conducting wire, the one end of fuse-link is connected to the other end of first conducting wire, the electrically conductive piece of second is connected to the one end of second conducting wire, the other end of fuse-link is connected to the other end of second conducting wire, thereby make first conducting wire and second conducting wire set up respectively in the relative both sides of base plate, realize the two-sided fusing of fuse, thereby prolong the line length of fuse, make the resistance range of fuse bigger, can bear bigger load current, compatibility is higher, can be adapted to more application scenarios. And the two ends of the first conductive piece and the second conductive piece are respectively arranged on the surfaces of the two opposite sides of the substrate, so that the substrate can be electrically connected with external equipment or circuits through the surface of any one side, and the external equipment or circuits can be connected into the internal circuit of the fuse through the first conductive piece and the second conductive piece.
In other embodiments, the first conductive member 110 and the second conductive member 120 are respectively disposed at two opposite ends of the substrate 130. That is, the first conductive member 110 is disposed at one end edge of the substrate 130, and the second conductive member 120 is disposed at the other end edge of the substrate 130. Therefore, the distance between the first conductive piece 110 and the second conductive piece 120 is enlarged, and the line length ranges of the first conductive line 105 and the second conductive line 106 between the first conductive piece 110 and the second conductive piece 120 are further increased, so that the resistance range of the fuse 100 is larger, and the compatibility is higher.
In this embodiment, the two opposite sides of the substrate 130 refer to the upper surface and the lower surface of the substrate 130, and the two opposite ends of the substrate 130 refer to the left end and the right end of the substrate 130.
In other embodiments, the first conductive traces 105 include at least one first bend 1051 and the second conductive traces 106 include at least one second bend, such that the range of trace lengths of the first conductive traces 105 is extended by the arrangement of the first bend 1051 and the range of trace lengths of the second conductive traces 106 is extended by the arrangement of the second bend, resulting in a larger resistance range and higher compatibility of the fuse 100.
The first conductive trace 105 may be connected to one end of the fuse 107 through a pad 109, and the second conductive trace 106 may be connected to the other end of the fuse 107 through a corresponding pad.
In other embodiments, the first conductive member 110 includes: the first conductive layer 101, the first connecting element 102 and the second conductive layer 103, one end of the first connecting element 102 is connected to the first conductive layer 101, and the other end of the first connecting element 102 is connected to the second conductive layer 103, wherein the first conductive layer 101 is attached to one side surface of the substrate 130 and connected to the first conductive trace 105, and the second conductive layer 103 is attached to the other side surface of the substrate 130. That is, an external device or circuit may be conducted with the first conductive member 110 through the first conductive layer 101 or the second conductive layer 103.
The second conductive member 120 includes: the third conductive layer 121 is connected to one end of the second connecting member 122, and the fourth conductive layer 123 is connected to the other end of the second connecting member 122, wherein the third conductive layer 121 is attached to one side surface of the substrate 130, and the fourth conductive layer 123 is attached to the other side surface of the substrate 130 and connected to the second conductive trace 106. That is, an external device or circuit may be conducted with the second conductive member 120 through the third conductive layer 121 or the fourth conductive layer 123.
In other embodiments, the first connecting member 102 extends through the substrate 130, and the second connecting member 122 extends through the substrate 130.
Two through holes may be formed in the substrate 130, and the first connecting element 102 and the second connecting element 122 are disposed in the corresponding through holes respectively to penetrate through the substrate 130, so as to connect the conductive layers on the surface of the substrate 130.
The first connecting member 102 and the second connecting member 122 may include metalized holes.
Through the above arrangement, the first connecting member 102 and the second connecting member 122 can improve structural stability among the first conductive member 110, the second conductive member 120, and the substrate 130, and enhance reliability and stability of the fuse 100.
In other embodiments, the first conductive layer 101, the second conductive layer 103, the third conductive layer 121, and the fourth conductive layer 123 are respectively formed with a bump 104 on a side away from the substrate 130. The height of the boss 104 is higher than the corresponding first conductive circuit 105 and second conductive circuit 106, so that the first conductive circuit 105 and the second conductive circuit 106 can be supported and protected by the boss 104 in the transportation, use and other processes of the fuse 100, the safety and reliability of the first conductive circuit 105 and the second conductive circuit 106 are improved, and the quality of the fuse 100 is further improved.
In other embodiments, the fuse 100 further includes: the solder resist layer 108. The solder resist layer 108 covers the substrate 130 at positions other than the bosses 104 on the surfaces of the two opposite sides, so that the first conductive circuit 105 and the second conductive circuit 106 are protected by the solder resist layer 108, the safety and reliability of the first conductive circuit 105 and the second conductive circuit 106 are improved, and the quality of the fuse 100 is improved. The solder resist layer 108 may include ink or other solder resist material.
And the solder resist layer 108 does not cover the boss 104 so as not to affect the support function of the boss 104.
In other embodiments, the fuse 107 includes a tin pillar 1071 and a conductive layer 1072 surrounding the periphery of the tin pillar, and both ends of the conductive layer 1072 are connected to the first conductive trace 105 and the second conductive trace 106, respectively. One end of the conductive layer 1072 is connected to the first conductive trace 105 through a pad 109, and the other end of the conductive layer 1072 is connected to the second conductive trace 106 through a corresponding pad, thereby implementing a conduction function of the fuse 107. Conductive layer 1072 can include metallized holes.
The tin post 1071 melts at a high temperature when the fuse 100 receives a load current exceeding a rated current, thereby fusing the conductive layer 1072, and realizing circuit disconnection of the fuse 100, thereby protecting a load. The tin post 1071 of this embodiment can be prepared by electrolytic tin plating to improve the structural accuracy of the tin post 1071 with the high accuracy of the electrolytic tin plating process, and further improve the quality of the fuse 100.
The tin posts 1071 may include solid or hollow tin posts to accommodate different demand scenarios. When the tin post 1071 is a hollow tin post, the solder resist layer 108 or resin may be filled therein to support the tin post 1071, thereby improving the structural stability of the fuse 100.
Referring to fig. 3, fig. 3 is a schematic structural diagram of another embodiment of the fuse of the present invention.
The fuse 200 of the present embodiment has the same structure as the fuse element, the substrate, the bump, the solder mask layer, the first conductive trace, and the second conductive trace of the fuse 100 of the previous embodiment, and thus, please refer to the foregoing description, which is not repeated herein.
The first conductive member 210 of the present embodiment includes: the first conductive layer 201 is connected to one end of the first connection element 202, and the second conductive layer 203 is connected to the other end of the first connection element 202, wherein the first conductive layer 201 is attached to one side surface of the substrate 230 and connected to the first conductive trace, and the second conductive layer 203 is attached to the other side surface of the substrate 230. That is, an external device or circuit may be conducted with the first conductive member 210 through the first conductive layer 201 or the second conductive layer 203.
The second conductive member 220 includes: the second connecting member 222 is disposed perpendicular to one side surface of the substrate 230, one end of the second connecting member 222 is connected to the third conductive layer 221, and the other end of the second connecting member 222 is connected to the fourth conductive layer 223, wherein the third conductive layer 221 is attached to one side surface of the substrate 230, and the fourth conductive layer 223 is attached to the other side surface of the substrate 130 and is connected to the second conductive trace. That is, an external device or circuit may be conducted with the second conductive member 220 through the third conductive layer 221 or the fourth conductive layer 223.
The first connecting member 202 is attached to a side surface of one end of the substrate 230, and the second connecting member 222 is attached to a side surface of the other end of the substrate 230. In the embodiment, the first connecting element 202 and the second connecting element 222 are not disposed inside the substrate 230, but are conducted to the corresponding conductive layers from the side surface outside the substrate 230, so that the manufacturing process of the fuse 100 can be simplified, the substrate 230 does not need to be perforated, and the manufacturing efficiency of the fuse 100 is improved.
Based on the same concept, the application also protects a fuse, which comprises the fuse of any of the above embodiments.
Therefore, the fuse has the advantages of larger resistance range, capability of bearing larger load current and higher compatibility.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A fuse, comprising:
a substrate;
one end of the first conductive piece is attached to one side surface of the substrate, and the other end of the first conductive piece is attached to the other side surface of the substrate;
one end of the second conductive piece is attached to one side surface of the substrate, the other end of the second conductive piece is attached to the other side surface of the substrate, and the first conductive piece and the second conductive piece are arranged at intervals;
the fuse part penetrates through the substrate, and two ends of the fuse part respectively extend to the surfaces of two opposite sides of the substrate along the penetrating direction;
one end of the first conductive circuit is connected with the first conductive piece, and the other end of the first conductive circuit is connected with one end of the fuse piece;
and one end of the second conductive circuit is connected with the second conductive piece, and the other end of the second conductive circuit is connected with the other end of the fuse piece.
2. The fuse according to claim 1,
the first conductive piece and the second conductive piece are respectively arranged at two opposite ends of the substrate.
3. The fuse according to claim 1,
the first conductive circuit comprises at least one first bent part; and
the second conductive trace includes at least one second bend.
4. The fuse of claim 1, wherein the first electrically conductive member comprises: the conductive structure comprises a first conductive layer, a first connecting piece and a second conductive layer, wherein one end of the first connecting piece is connected with the first conductive layer, the other end of the first connecting piece is connected with the second conductive layer, the first conductive layer is attached to one side surface of the substrate and is connected with the first conductive circuit, and the second conductive layer is attached to the other side surface of the substrate;
the second conductive member includes: the first conducting layer is connected to one end of the second connecting piece, the second conducting layer is connected to the other end of the second connecting piece, the third conducting layer is attached to one side surface of the substrate, and the fourth conducting layer is attached to the other side surface of the substrate and connected with the second conducting circuit.
5. The fuse according to claim 4,
the first connecting piece penetrates through the substrate; and
the second connecting piece penetrates through the substrate.
6. The fuse according to claim 4,
the first connecting piece is attached to the side face of one end of the substrate;
the second connecting piece with the side laminating setting of the base plate other end.
7. A fuse as claimed in any one of claims 4 to 6, wherein bosses are formed on respective sides of the first, second, third and fourth conductive layers remote from the substrate.
8. The fuse of claim 7, further comprising: a solder resist layer;
the solder mask covers the positions except the bosses on the surfaces of the two opposite sides of the substrate.
9. The fuse of claim 1, wherein the fuse element includes a tin post and a conductive layer surrounding a periphery of the tin post, and both ends of the conductive layer are connected to the first conductive trace and the second conductive trace, respectively.
10. A fuse, characterized in that it comprises a fuse as claimed in any one of the preceding claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220899272.XU CN217641192U (en) | 2022-04-18 | 2022-04-18 | Fuse and fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220899272.XU CN217641192U (en) | 2022-04-18 | 2022-04-18 | Fuse and fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217641192U true CN217641192U (en) | 2022-10-21 |
Family
ID=83648932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220899272.XU Active CN217641192U (en) | 2022-04-18 | 2022-04-18 | Fuse and fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217641192U (en) |
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2022
- 2022-04-18 CN CN202220899272.XU patent/CN217641192U/en active Active
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