CN213071054U - External fuse and filter - Google Patents
External fuse and filter Download PDFInfo
- Publication number
- CN213071054U CN213071054U CN202022385497.7U CN202022385497U CN213071054U CN 213071054 U CN213071054 U CN 213071054U CN 202022385497 U CN202022385497 U CN 202022385497U CN 213071054 U CN213071054 U CN 213071054U
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- fuse
- external
- housing
- filter
- securing structure
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Abstract
An external fuse and filter, the filter comprising: a housing; the external fuse that is located the casing surface, external fuse is connected with the circuit electricity in the casing, external fuse includes the fuse-base to and the one or many fuse wires of being connected with the fuse-base. The external fuse of wave filter is changed conveniently, the casing volume of wave filter can reduce.
Description
Technical Field
The utility model relates to an electronic equipment especially relates to an external fuse and wave filter.
Background
The filter is an important electronic component, transmits power of a power supply to the equipment without attenuation, greatly attenuates an EMI (Electromagnetic Interference) signal transmitted by the power supply, and protects the equipment from being damaged; meanwhile, the EMI signal generated by the equipment can be effectively controlled, and the EMI signal is prevented from entering a power grid, polluting the electromagnetic environment and damaging other equipment.
However, the blowing capability of the existing filter fuse and the replacement efficiency of the fuse are still to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides an external fuse and wave filter to promote the fuse short circuit of wave filter and the change efficiency of overcurrent protection ability and fuse.
In order to solve the technical problem, the utility model provides an external fuse, include: a fuse base including a fuse securing structure; one or more fuses connected to the fuse holding structure.
Optionally, the fuse fixing structure includes one or more card slots, and one fuse is located in one card slot.
Optionally, two ends in the card slot are provided with buckles, and the fuse is fixed with the card slot through the buckles.
Optionally, the fuse base further includes a housing fixing structure, and the housing fixing structure is fixed to the fuse fixing structure.
Correspondingly, the utility model discloses technical scheme still provides a wave filter, include: a housing; the external fuse that is located the casing surface, external fuse is connected with the circuit electricity in the casing, external fuse includes the fuse-base to and the one or many fuse wires of being connected with the fuse-base.
Optionally, the fuse base includes a housing fixing structure and a fuse fixing structure fixed to the housing fixing structure, the fuse fixing structure includes one or more slots, and one fuse is located in one slot.
Optionally, the housing fixing structure is fixedly connected with the outer surface of the housing.
Optionally, the housing fixing structure is fixedly connected with the outer surface of the housing through a bolt.
Optionally, the housing fixing structure is detachably connected to the outer surface of the housing.
Optionally, the housing fixing structure is connected with the outer surface of the housing through a guide rail.
Optionally, two ends in the card slot are provided with buckles, and the fuse is fixed with the card slot through the buckles.
Optionally, the fuse includes opposing first and second ends.
Optionally, the first end is electrically connected to a circuit in the housing through a first connecting line.
Optionally, the second end is electrically connected to other external circuits through a second connection line.
Optionally, the circuit in the housing is electrically connected to other external circuits or power sources.
Compared with the prior art, the technical scheme of the utility model following beneficial effect has:
the external fuse of the utility model comprises a fuse base, the fuse base comprises a fuse wire fixing structure, and the external fuse also comprises one or more fuse wires connected with the fuse wire fixing structure, so that the specification of the fuse is not limited due to external installation, and the fuse can adapt to large current; meanwhile, the fuse wire of the external fuse is convenient to replace.
The filter of the utility model, on one hand, the external fuse is convenient to be replaced by arranging the external fuse on the outer surface of the shell; on the other hand, the specification of the fuse is not limited due to external installation, so that the fuse can adapt to large current; and moreover, the external fuse is arranged on the outer surface of the shell, so that the inner size of the shell can be reduced, the size of the filter is reduced, and the filter is convenient to mount or carry.
Drawings
Fig. 1 to 3 are schematic views of an external fuse according to an embodiment of the present invention;
fig. 4 and 5 are schematic diagrams of a filter according to an embodiment of the present invention.
Detailed Description
As described in the background, the fuse short-circuit and overcurrent protection capabilities of the existing filters and the replacement efficiency of the fuses remain to be improved.
In particular, conventional filters typically incorporate a fuse within the filter cavity, whether or not the fuse is a replaceable fuse. On one hand, if a fuse which cannot be replaced is selected, if the fuse is fused, the whole filter fails; on the other hand, even select for use removable type's fuse, because the fuse is located the filter cavity, the fuse specification of fuse receives certain restriction to make the short circuit of fuse and overcurrent protection ability all receive the restriction, the great electric current of unable adaptation.
In order to solve the problems, the utility model provides an external fuse and a filter, which are arranged on the outer surface of the shell, on one hand, the external fuse is convenient to replace; on the other hand, the specification of the fuse is not limited due to external installation, so that the fuse can adapt to large current; and moreover, the external fuse is arranged on the outer surface of the shell, so that the inner size of the shell can be reduced, the size of the filter is reduced, and the installation is convenient.
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Fig. 1 to fig. 3 are schematic diagrams of an external fuse according to an embodiment of the present invention.
Referring to fig. 1 to 3, fig. 1 is a side view of the external fuse, fig. 2 is a perspective view of the external fuse, and fig. 3 is a top view of the external fuse, the external fuse including: a fuse holder 100, the fuse holder 100 including a fuse securing structure 102; one or more fuses 103 connected to the fuse holding structure 102.
When the circuit current rises to a certain height and heat abnormally, the fuse wire 103 can be fused by itself to cut off the current, so that the circuit is protected from running safely, and the overload protection effect is achieved.
In this embodiment, the number of the fuse 103 can be plural, so that the specification of the fuse is not limited, and the large current can be adapted.
The fuse holder 100 is used for mounting the fuse 103 so as to be easily externally connected with other equipment, thereby enabling the external fuse to be easily installed and detached. The fuse fixing structure 102 is used to fix the fuse 103 so that the fuse 103 is electrically connected with other devices or circuits.
The material of the fuse 103 comprises a metal or a metal alloy, the metal comprises silver or copper, and the metal alloy comprises a lead-tin alloy or a lead-antimony alloy.
In this embodiment, the fuse fixing structure 102 includes one or more card slots (not labeled), and one fuse 103 is located in one card slot.
In this embodiment, two ends of the card slot are provided with buckles 104, and the fuse 103 is fixed with the card slot through the buckles 104. Fuse wire 103 is fixed with the draw-in groove through buckle 104, consequently fuse wire 103 convenient to detach installs, works as when external fuse breaks down, external fuse's fuse wire 103 is convenient to be changed.
In other embodiments, the fuse can be secured to the card slot by other means, such as a bolt.
In this embodiment, the fuse holder 100 further includes a housing fixing structure 105, and the housing fixing structure 105 is fixed to the fuse fixing structure 102.
The housing fixing structure 105 is used for fixedly connecting the external fuse with other devices.
The external fuse can play the overload protection effect to the circuit or the equipment of being connected with external fuse. The external fuse comprises a fuse base 100, wherein the fuse base 100 comprises a fuse wire fixing structure 102 and one or more fuse wires 103 connected with the fuse wire fixing structure 102, so that the specification of the fuse is not limited due to external installation, and the external fuse can adapt to large current; meanwhile, the fuse wire of the external fuse is convenient to replace.
Fig. 4 and 5 are schematic diagrams of a filter according to an embodiment of the present invention.
Referring to fig. 4 and 5, fig. 4 is a side view of the filter, and fig. 5 is a perspective view of the filter, including: a housing 200; the external fuse that is located casing 200 surface, the external fuse is connected with the circuit electricity in the casing 200, the external fuse includes fuse-base 100 to and the one or more fuse 103 of being connected with fuse-base 100.
The external fuse is the external fuse described in fig. 1 to 3. The fuse holder 100 includes a housing fixing structure 105 and a fuse fixing structure 102 fixed to the housing fixing structure 105, where the fuse fixing structure 102 includes one or more card slots (not shown), and one fuse 103 is located in one card slot.
The fuse holder 100 is used for mounting the fuse 103 so as to be easily externally connected with other equipment, thereby enabling the external fuse to be easily installed and detached. The fuse fixing structure 102 is used to fix the fuse 103 so that the fuse 103 is electrically connected with other devices or circuits.
The number of the fuse 103 can be plural, so that the specification of the fuse is not limited, and the filter of large current can be adapted.
The material of the fuse 103 includes metal or metal alloy, the metal includes silver or copper, etc., and the metal alloy includes lead-tin alloy or lead-antimony alloy, etc.
In this embodiment, the housing fixing structure 105 is fixedly connected to the outer surface of the housing 200.
In this embodiment, the housing fixing structure 105 is fixedly connected to the outer surface of the housing 200 by bolts. In other embodiments, the housing fixing structure can be fixedly connected with the outer surface of the housing by other means, such as welding.
In another embodiment, the housing securing structure is removably attached to the housing outer surface.
In another embodiment, the housing securing structure is removably attached to the housing outer surface by a guide track. The shell fixing structure and the outer surface of the shell can be detachably connected in other modes.
In this embodiment, two ends of the card slot are provided with buckles 104, and the fuse 103 is fixed with the card slot through the buckles 104. Fuse wire 103 is fixed with the draw-in groove through buckle 104, consequently fuse wire 103 convenient to detach installs, works as when external fuse breaks down, external fuse's fuse wire 103 is convenient to be changed.
In other embodiments, the fuse can be secured to the card slot by other means, such as a bolt.
In this embodiment, the fuse 103 includes opposite first and second ends.
In the present embodiment, the first end is electrically connected to the circuit inside the housing 200 through the first connection line 201; the second end is electrically connected with other external circuits through a second connecting wire 202; the circuitry within the housing 200 is electrically connected to other external circuitry or power sources.
The filter, on one hand, the external fuse is convenient to replace by placing the external fuse on the outer surface of the shell 200; on the other hand, the specification of the fuse is not limited due to external installation, so that the fuse can adapt to large current; furthermore, the external fuse is arranged on the outer surface of the shell 200, so that the inner size of the shell can be reduced, the size of the filter is reduced, and the installation is convenient.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.
Claims (15)
1. An external fuse, comprising:
a fuse base including a fuse securing structure;
one or more fuses connected to the fuse holding structure.
2. The external fuse of claim 1, wherein the fuse securing structure comprises one or more card slots, one of the fuses being located in each card slot.
3. The external fuse as defined in claim 2, wherein said slot has a snap at both ends, and said fuse is fixed to said slot by said snap.
4. The external fuse of claim 1, wherein the fuse base further comprises a housing securing structure, the housing securing structure being secured to the fuse securing structure.
5. A filter, comprising:
a housing;
the external fuse that is located the casing surface, external fuse is connected with the circuit electricity in the casing, external fuse includes the fuse-base to and the one or many fuse wires of being connected with the fuse-base.
6. The filter of claim 5, wherein the fuse holder includes a housing fixture and a fuse fixture secured to the housing fixture, the fuse fixture including one or more card slots, one of the fuses being located in one of the card slots.
7. The filter of claim 6, wherein the housing securing structure is fixedly attached to the housing outer surface.
8. The filter of claim 7, wherein the housing securing structure is fixedly attached to the housing outer surface by a bolt.
9. The filter of claim 6, wherein the housing securing structure is removably attached to the housing outer surface.
10. The filter of claim 9, wherein the housing securing structure is coupled to the housing outer surface by a guide.
11. The filter of claim 6, wherein the card slot has a snap at both ends, and the fuse is fixed with the card slot by the snap.
12. The filter of claim 5, wherein the fuse includes opposing first and second ends.
13. The filter of claim 12, wherein the first end is electrically connected to circuitry within the housing by a first connecting wire.
14. The filter of claim 12, wherein the second terminal is electrically connected to other external circuits through a second connection line.
15. The filter of claim 5, wherein the circuitry within the housing is electrically connected to other external circuitry or a power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022385497.7U CN213071054U (en) | 2020-10-23 | 2020-10-23 | External fuse and filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022385497.7U CN213071054U (en) | 2020-10-23 | 2020-10-23 | External fuse and filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213071054U true CN213071054U (en) | 2021-04-27 |
Family
ID=75563070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022385497.7U Active CN213071054U (en) | 2020-10-23 | 2020-10-23 | External fuse and filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213071054U (en) |
-
2020
- 2020-10-23 CN CN202022385497.7U patent/CN213071054U/en active Active
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