CN208753249U - Water-proof type self-recovery fuse - Google Patents
Water-proof type self-recovery fuse Download PDFInfo
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- CN208753249U CN208753249U CN201820912106.2U CN201820912106U CN208753249U CN 208753249 U CN208753249 U CN 208753249U CN 201820912106 U CN201820912106 U CN 201820912106U CN 208753249 U CN208753249 U CN 208753249U
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Abstract
The utility model discloses a kind of water-proof type self-recovery fuse, including fuse component, water repellent component and installation pin, the water repellent component are sheathed on outside the fuse component, and the installation pin is set on the fuse component；The installation pin includes the first pin, second pin, first electrode sheet and second electrode sheet, first pin is set to the first electrode on piece, the second pin is set to the second electrode on piece, and the first electrode sheet and the second electrode sheet are set on the fuse component.The utility model is a kind of water-proof type self-recovery fuse, pass through setting explosion-proof layer, adhesive layer and waterproof layer, it can prevent steam or droplet from entering fuse internal structure, it avoids the occurrence of because fuse meets the problem of water short circuit, guarantee that fuse can with normal table work, the function of improving self-recovery fuse further increases the stability of self-recovery fuse, reduces the probability for fault risk occur.
Description
Technical field
The utility model relates to self-recovery fuse fields, more particularly to a kind of water-proof type self-recovery fuse.
Background technique
Fuse is also referred to as current insurance silk, it is defined as " fuse-link " by IEC127 standard.It has been mainly overload
Protective effect.Correctly dispose fuse in circuit, fuse will be increased in current anomaly certain height and temperature when
It waits, itself fusing cutting electric current protects circuit safety to run.When electric current flows through it, it will generate heat, with the increasing of time
Its calorific value is added also to increase.The size of electric current and resistance has determined the speed for generating heat, and the construction of fuse is installed with it
Situation determined heat dissipate speed, if generate heat speed be less than heat dissipate speed, fuse is will not
Fusing.If the speed for generating heat is equal to the speed that heat dissipates, it will not fuse within considerable time.If producing
When the speed of heat amount is greater than the speed that heat dissipates, then the heat generated will be more and more.Again because it has certain ratio
Heat and quality, the increase of heat just show in the raising of temperature, insurance when more than the fusing point that temperature is increased to fuse
Silk is just fused.
However, waterproof construction is not present in existing fuse, makes it possible to inside and enter steam or droplet, especially
When southern rainy weather, it is possible to steam occur on circuit board, when occurring steam on fuse, and after fuse meets water
It is easy to appear short circuit, prevent circuit board from working, so that the function of fuse can not achieve, reduces the function of fuse,
The stability for reducing fuse increases the risk for fault occur.
Utility model content
The purpose of the utility model is to overcome shortcomings in the prior art, provide a kind of water-proof type self- recoverage insurance
Silk, can prevent steam or droplet from entering fuse internal structure, avoid the occurrence of because fuse meets the problem of water short circuit, guarantee
Fuse can with normal table work, and improve the function of self-recovery fuse, further increase the stabilization of self-recovery fuse
Property, reduce the probability for fault risk occur.
The purpose of this utility model is achieved through the following technical solutions:
A kind of water-proof type self-recovery fuse, comprising: fuse component, water repellent component and installation pin, the waterproof group
Part is sheathed on outside the fuse component, and the installation pin is set on the fuse component；
The installation pin includes the first pin, second pin, first electrode sheet and second electrode sheet, first pin
It is set to the first electrode on piece, the second pin is set to the second electrode on piece, the first electrode sheet and institute
Second electrode sheet is stated to be respectively arranged on the fuse component；
The fuse component includes protective film, resistance, Thermal Cutoffs and carbon black, and installation is offered in the protective film
Cavity, the resistance, the Thermal Cutoffs and the carbon black are respectively contained in the installation cavity body, the first electrode sheet
It is placed in the installation cavity body with the second electrode sheet, the resistance is set to the first electrode on piece, the temperature
One end of fuse is set on the resistance, and the other end of the Thermal Cutoffs is set to the second electrode on piece, institute
State the carbon black filled gap location in the installation cavity；
The water repellent component includes explosion-proof layer, adhesive layer and waterproof layer, and the explosion-proof layer is set in outside the protective film, institute
It states adhesive layer to be set on the explosion-proof layer, the waterproof layer is set on the adhesive layer.
In one embodiment of the present embodiment, flame-retardant crosslinking polyethylene filling part is provided in the waterproof layer.
In one embodiment of the present embodiment, the resistance is Anti-surge resistor.
In one embodiment of the present embodiment, the first electrode sheet is flaky texture.
In one embodiment of the present embodiment, the second electrode sheet is flaky texture.
In one embodiment of the present embodiment, first pin draws including the first insertion section, first connecting portion and first
Portion out, first insertion section are set to the first electrode on piece, the first connecting portion respectively with first insertion section
It is connected with first lead division.
In one embodiment of the present embodiment, the second pin is drawn including the second insertion section, second connecting portion and second
Portion out, second insertion section are set to the second electrode on piece, the second connecting portion respectively with second insertion section
It is connected with second lead division.
In one embodiment of the present embodiment, the first electrode sheet is copper sheet.
In one embodiment of the present embodiment, first lead division is cylindrical structure.
In one embodiment of the present embodiment, second lead division is cylindrical structure.
The utility model compared with the prior art the advantages of and have the beneficial effect that:
The utility model is a kind of water-proof type self-recovery fuse, can by setting explosion-proof layer, adhesive layer and waterproof layer
It prevents steam or droplet from entering fuse internal structure, avoids the occurrence of because fuse meets the problem of water short circuit, guarantee fuse
It can with normal table work, improve the function of self-recovery fuse, further increase the stability of self-recovery fuse, reduce
There is the probability of fault risk.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of the water-proof type self-recovery fuse of the utility model.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The better embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making practical new to this
The disclosure of type understands more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet
Include any and all combinations of one or more related listed items.
Referring to Fig. 1, a kind of water-proof type self-recovery fuse 10, comprising: fuse component 100, water repellent component 200 and peace
Pin 300 is filled, the water repellent component 200 is sheathed on outside the fuse component 100, and the installation pin 300 is set to described
On fuse component 100；It should be noted that the fuse component 100 is used to access in circuit-line, and play guarantor
The effect of protection circuit；The water repellent component 200 is for realizing water-proof function；The installation pin 300 is for being plugged on circuit board
On, so as to play the role of protection.
Referring to Fig. 1, the installation pin 300 include the first pin 310, second pin 320, first electrode sheet 330 and
Second electrode sheet 340, first pin 310 are set in the first electrode sheet 330, and the second pin 320 is set to
In the second electrode sheet 340, the first electrode sheet 330 and the second electrode sheet 340 are respectively arranged at the fuse
On component 100；It should be noted that first pin 310 and the second pin 320 are used for grafting on circuit boards；Institute
State first electrode sheet 330 for connect the first pin, the second electrode sheet 340 be used for connect second pin.
Referring to Fig. 1, the fuse component 100 includes protective film 110, resistance 120, Thermal Cutoffs 130 and carbon black
140, installation cavity, the resistance 120, the Thermal Cutoffs 130 and the carbon black 140 are offered in the protective film 110
It is respectively contained in the installation cavity body, the first electrode sheet 330 and the second electrode sheet 340 are placed in the installation
In cavity, the resistance 120 is set in the first electrode sheet 330, and one end of the Thermal Cutoffs 130 is set to described
On resistance 120, the other end of the Thermal Cutoffs 130 is set in the second electrode sheet 340, and the carbon black 140 is filled
In the gap location of the installation cavity；It should be noted that the protective film 110 is for bad with outside by fuse component 100
Border separates, and plays the role of protection, and the protective film has certain elasticity, can be carried out expansion or contraction；The electricity
Resistance 120 plays connection function for playing partial pressure；The Thermal Cutoffs 130 is used for the size of temperature sensor, guarantees volume
Constant current passes through the normal work of Thermal Cutoffs；When the electric current for flowing through Thermal Cutoffs is excessive, it is set to collect Wen Shenggao, to make
140 expanded by heating of carbon black is obtained, so that the gap between protective film 110, resistance 120, Thermal Cutoffs 130 and carbon black 140 becomes larger,
Become the state of high-impedance state from the state be connected to circuit, to protect circuit not damaged, when electric current becomes smaller, and temperature
After reduction, the not reflation of carbon black 140 restores original state, and the conducting of circuit may be implemented, will not damage the knot of fuse
Structure has self-healing ability.
Referring to Fig. 1, the water repellent component 200 includes explosion-proof layer 210, adhesive layer 220 and waterproof layer 230, it is described explosion-proof
Layer 210 is set in outside the protective film 110, and the adhesive layer 220 is set on the explosion-proof layer 210, and the waterproof layer 230 is set
It is placed on the adhesive layer 220.It should be noted that the explosion-proof layer 210 can be effectively increased for preventing fuse from exploding
Arc protection effect；The adhesive layer 220 is for explosion-proof layer 210 and waterproof layer 230 to be sticked together；The waterproof layer 230 is used
In preventing steam or droplet from entering fuse internal structure, avoids the occurrence of because fuse meets the problem of water short circuit, guarantee insurance
Silk can with normal table work, and improve the function of self-recovery fuse, further increase the stability of self-recovery fuse, drop
The low probability for fault risk occur.Preferably, flame-retardant crosslinking polyethylene filling part is provided in the waterproof layer.It is preferred that
, the resistance is Anti-surge resistor.
It should be noted that first pin includes the first insertion section, first connecting portion and the first lead division, described the
One insertion section is set to the first electrode on piece, and the first connecting portion is drawn with first insertion section and described first respectively
Portion connects out.In this way, inserting for the first pin can be improved by the first insertion section of setting, first connecting portion and the first lead division
Effect is connect, and then improves stability.The second pin includes the second insertion section, second connecting portion and the second lead division, described
Second insertion section is set to the second electrode on piece, the second connecting portion respectively with second insertion section and described second
Lead division connection.In this way, second pin can be improved by the second insertion section of setting, second connecting portion and the second lead division
Grafting effect, and then improve stability.
It should be noted that the first electrode sheet is flaky texture.The second electrode sheet is flaky texture.Institute
Stating first electrode sheet is copper sheet.First lead division is cylindrical structure.Second lead division is cylindrical structure.Such as
This, can be improved the structural stability and reliability of water-proof type self-recovery fuse.
The utility model compared with the prior art the advantages of and have the beneficial effect that:
The utility model is a kind of water-proof type self-recovery fuse, can by setting explosion-proof layer, adhesive layer and waterproof layer
It prevents steam or droplet from entering fuse internal structure, avoids the occurrence of because fuse meets the problem of water short circuit, guarantee fuse
It can with normal table work, improve the function of self-recovery fuse, further increase the stability of self-recovery fuse, reduce
There is the probability of fault risk.
Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed
Carefully, but it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the general of this field
For logical technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these are all
Belong to the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of water-proof type self-recovery fuse characterized by comprising fuse component, water repellent component and installation pin, institute
It states water repellent component to be sheathed on outside the fuse component, the installation pin is set on the fuse component；
The installation pin includes the first pin, second pin, first electrode sheet and second electrode sheet, the first pin setting
In the first electrode on piece, the second pin is set to the second electrode on piece, the first electrode sheet and described
Two electrode slices are respectively arranged on the fuse component；
The fuse component includes protective film, resistance, Thermal Cutoffs and carbon black, offers installation cavity in the protective film
Body, the resistance, the Thermal Cutoffs and the carbon black are respectively contained in the installation cavity body, the first electrode sheet and
The second electrode sheet is placed in the installation cavity body, and the resistance is set to the first electrode on piece, and the temperature is protected
One end of dangerous silk is set on the resistance, and the other end of the Thermal Cutoffs is set to the second electrode on piece, described
The carbon black filled gap location in the installation cavity；
The water repellent component includes explosion-proof layer, adhesive layer and waterproof layer, and the explosion-proof layer is set in outside the protective film, the glue
Adhesion coating is set on the explosion-proof layer, and the waterproof layer is set on the adhesive layer.
2. water-proof type self-recovery fuse according to claim 1, which is characterized in that be provided in the waterproof layer fire-retardant
Crosslinked polyethylene filling part.
3. water-proof type self-recovery fuse according to claim 1, which is characterized in that the resistance is Anti-surge resistor.
4. water-proof type self-recovery fuse according to claim 1, which is characterized in that the first electrode sheet is flake
Structure.
5. water-proof type self-recovery fuse according to claim 1, which is characterized in that the second electrode sheet is flake
Structure.
6. water-proof type self-recovery fuse according to claim 1, which is characterized in that first pin includes first slotting
Enter portion, first connecting portion and the first lead division, first insertion section is set to the first electrode on piece, first connection
Portion is connect with first insertion section and first lead division respectively.
7. water-proof type self-recovery fuse according to claim 1, which is characterized in that the second pin includes second slotting
Enter portion, second connecting portion and the second lead division, second insertion section is set to the second electrode on piece, second connection
Portion is connect with second insertion section and second lead division respectively.
8. water-proof type self-recovery fuse according to claim 1, which is characterized in that the first electrode sheet is copper sheet.
9. water-proof type self-recovery fuse according to claim 6, which is characterized in that first lead division is cylindrical body
Structure.
10. water-proof type self-recovery fuse according to claim 7, which is characterized in that second lead division is cylinder
Body structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820912106.2U CN208753249U (en) | 2018-06-12 | 2018-06-12 | Water-proof type self-recovery fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820912106.2U CN208753249U (en) | 2018-06-12 | 2018-06-12 | Water-proof type self-recovery fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208753249U true CN208753249U (en) | 2019-04-16 |
Family
ID=66053715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820912106.2U Active CN208753249U (en) | 2018-06-12 | 2018-06-12 | Water-proof type self-recovery fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208753249U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110648886A (en) * | 2019-09-21 | 2020-01-03 | 天宇匹克电子(惠州)有限公司 | Small thermal fuse link with double insulators |
| CN110853994A (en) * | 2019-11-28 | 2020-02-28 | 曹文保 | Repeatedly usable's continuous disconnected formula fuse |
| CN111146048A (en) * | 2020-01-13 | 2020-05-12 | 吴妍佩 | Self-recovery direct current fuse |
-
2018
- 2018-06-12 CN CN201820912106.2U patent/CN208753249U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110648886A (en) * | 2019-09-21 | 2020-01-03 | 天宇匹克电子(惠州)有限公司 | Small thermal fuse link with double insulators |
| CN110853994A (en) * | 2019-11-28 | 2020-02-28 | 曹文保 | Repeatedly usable's continuous disconnected formula fuse |
| CN110853994B (en) * | 2019-11-28 | 2021-12-28 | 浦江利浩电子科技有限公司 | Repeatedly usable's continuous disconnected formula fuse |
| CN111146048A (en) * | 2020-01-13 | 2020-05-12 | 吴妍佩 | Self-recovery direct current fuse |
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| GR01 | Patent grant |