CN113471033A - Composite protector and manufacturing method thereof - Google Patents
Composite protector and manufacturing method thereof Download PDFInfo
- Publication number
- CN113471033A CN113471033A CN202110821006.5A CN202110821006A CN113471033A CN 113471033 A CN113471033 A CN 113471033A CN 202110821006 A CN202110821006 A CN 202110821006A CN 113471033 A CN113471033 A CN 113471033A
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- Prior art keywords
- insulating tube
- conductive cap
- lead
- fuse
- cap
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/0241—Structural association of a fuse and another component or apparatus
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
- H01C1/034—Housing; Enclosing; Embedding; Filling the housing or enclosure the housing or enclosure being formed as coating or mould without outer sheath
- H01C1/036—Housing; Enclosing; Embedding; Filling the housing or enclosure the housing or enclosure being formed as coating or mould without outer sheath on wound resistive element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/02—Apparatus or processes specially adapted for manufacturing resistors adapted for manufacturing resistors with envelope or housing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/04—Apparatus or processes specially adapted for manufacturing resistors adapted for winding the resistive element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C3/00—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids
- H01C3/14—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids the resistive element being formed in two or more coils or loops continuously wound as a spiral, helical or toroidal winding
- H01C3/20—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids the resistive element being formed in two or more coils or loops continuously wound as a spiral, helical or toroidal winding wound on cylindrical or prismatic base
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H69/00—Apparatus or processes for the manufacture of emergency protective devices
- H01H69/02—Manufacture of fuses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/20—Bases for supporting the fuse; Separate parts thereof
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Fuses (AREA)
Abstract
The invention discloses a composite protector and a manufacturing method thereof, wherein the composite protector comprises: the insulating tube, both ends are fitted with the first conductive cap and second conductive cap separately, the inner wall of insulating tube has conducting layers, the conducting layer is connected with first conductive cap electrical behavior; the resistance wire is wound on the outer wall of the insulating tube and is respectively and electrically connected with the first conductive cap and the second conductive cap; and the fuse is accommodated in the insulating tube and comprises a temperature fuse link, a first lead and a second lead, wherein the first lead and the second lead are connected with two ends of the temperature fuse link, the first lead extends out of the first conductive cap, and the second lead is electrically connected with the conductive layer and is used for connecting the fuse and the resistance wire in series. Compared with the prior art, the fuse and the resistance wire are connected in series by arranging the conducting layer on the inner wall of the insulating tube, so that the space occupied by the fuse due to bending of one lead can be reduced, the inner space of the insulating tube is reduced, and the size of the whole product is finally reduced.
Description
Technical Field
The invention belongs to the technical field of electric appliance protection devices, and particularly relates to a composite protector and a manufacturing method thereof.
Background
The composite protector is generally formed by connecting a resistor and a temperature fuse in series, is mostly used in a charger or an adapter, effectively realizes over-temperature and over-current protection, and prevents the resistor from continuously heating to cause deformation and even damage of the charger or the adapter in the normal use process.
The specific structure of the existing composite protector is shown in fig. 1, and includes an insulating tube 10 with an opening at one end and a fuse 20 arranged in the insulating tube 10, caps 30 are arranged at two ends of the insulating tube, the fuse 20 includes a temperature-sensitive body 201 and two leads 202 connected with the temperature-sensitive body, one of the leads 202 passes through the insulating tube 10 through the opening end, and the other lead 202 is bent along the opening end and then connected with the cap 30 at the opening end; the resistance wires 40 are wound around the insulating tube 10 and connected to the two caps 30, respectively, to form a series protection structure with the fuse 20.
However, the above-described composite protector structure has the following disadvantages: because the finished product fuse is arranged in the insulating tube, and the lead at one end of the existing finished product fuse is arranged in the insulating tube after being bent, the bent part can occupy part of the inner space of the insulating tube, so that the size of the product is large, the product is difficult to reduce, and the space can not be effectively saved.
Disclosure of Invention
One of the objects of the present invention is: in view of the deficiencies of the prior art, a composite protector is provided to reduce the internal space occupied by the fuse in the insulating tube, thereby reducing the size of the whole product.
In order to achieve the purpose, the invention adopts the following technical scheme:
a composite protector comprising:
the insulation tube is sleeved with a first conductive cap and a second conductive cap at two ends respectively, a conductive layer is arranged on the inner wall of the insulation tube, and the conductive layer is electrically connected with the first conductive cap;
the resistance wire is wound on the outer wall of the insulating tube and is respectively and electrically connected with the first conductive cap and the second conductive cap;
the fuse is contained in the insulating tube and comprises a temperature fuse link, a first lead and a second lead, the first lead and the second lead are connected with two ends of the temperature fuse link, the first lead extends out of the first conductive cap, and the second lead is electrically connected with the conductive layer and used for enabling the fuse to be connected with the resistance wire in series.
As an improvement of the present application, the conductive layer includes:
the first conducting layer is electrically connected with the first conducting cap and is arranged along the inner side wall and the opening end face of the insulating tube;
and the second conducting layer is electrically connected with the first conducting layer, is arranged along the inner bottom wall of the insulating tube and is electrically connected with the second lead.
As a modification of the present application, the first conductive layer is a metal plating layer; the second conductive layer is a solder layer.
As a refinement of the present application, a solder paste is disposed between the first conductive cap and the metal plating layer.
As an improvement of this application, insulating pipe inside is provided with an at least tip open-ended holding chamber, the fuse is arranged in the holding intracavity, just the open end passes through the sealing compound encapsulation.
As a refinement of the present application, the longitudinal height of the receiving cavity is equal to the maximum thickness of the fuse.
As an improvement of the present application, further comprising a protective coating, the protective coating coats the first conductive cap, the resistance wire, and the second conductive cap.
As an improvement of the present application, the protective coating is an epoxy coating, a silicone rubber coating, a silicone resin coating, or a silicone resin coating.
As a refinement of the present application, the outer surface of the thermal link is coated with a fluxing agent.
As an improvement of the application, the melting temperature of the temperature melt is 80-500 ℃.
As an improvement of the application, the material of the temperature melt is tin-copper alloy. By adjusting the proportion of tin and copper, the temperature melt can have different fusing temperatures.
As an improvement of the application, the wire diameter of the resistance wire is 0.01-1 mm.
As an improvement of the present application, the insulating tube is a ceramic tube or a glass fiber tube.
As an improvement of the present application, an inner wall surface of the insulating tube is coated with an arc extinguishing agent. The arc extinguishing function is realized for the electric arc generated when the temperature fuse link is fused or short-circuited.
As a refinement of the present application, the first conductive cap is a hole cap and the second conductive cap is a lead cap.
As a refinement of the present application, the first and second conductive caps are tin-plated iron caps.
In addition, the present application also provides a manufacturing method of the composite protector, which includes the following steps:
pressing a cap: pressing a first conductive cap and a second conductive cap on two ends of the insulating tube with the metalized inner wall, and electrically connecting the first conductive cap with the metal coating;
winding: uniformly winding a resistance wire on the outer wall of the insulating tube, and respectively connecting two ends of the resistance wire with a first conductive cap and a second conductive cap;
assembling: injecting solder paste into the accommodating cavity of the insulating tube, then loading the cut fuse into the accommodating cavity of the insulating tube, heating the bottom of the insulating tube injected with the solder paste to solidify the solder paste, and electrically connecting the metal coating on the inner wall of the insulating tube with the second lead of the fuse through the solder paste;
gluing and sealing: sealing one open end of the insulating tube by using sealing glue to fix the fuse in the insulating tube;
coating: and (4) coating the whole product with a protective coating to obtain the composite protector.
Preferably, the method further comprises the following steps: and testing the resistance of the finished product to select products meeting the specification, and braiding the qualified products to facilitate automatic feeding of customer equipment.
Preferably, the method further comprises the following steps: and (4) fully inspecting the appearance of the product, and selecting the appearance defective products.
Preferably, the packaging further comprises: the product is packaged to prevent bad products in the transportation process.
Compared with the prior art, the invention at least has the following beneficial effects:
1) the invention provides a composite protector, comprising: the insulation tube is sleeved with a first conductive cap and a second conductive cap at two ends respectively, a conductive layer is arranged on the inner wall of the insulation tube, and the conductive layer is electrically connected with the first conductive cap; the resistance wire is wound on the outer wall of the insulating tube and is respectively and electrically connected with the first conductive cap and the second conductive cap; the fuse is contained in the insulating tube and comprises a temperature fuse link, a first lead and a second lead, the first lead and the second lead are connected with two ends of the temperature fuse link, the first lead extends out of the first conductive cap, and the second lead is electrically connected with the conductive layer and used for enabling the fuse to be connected with the resistance wire in series. Compared with the prior art, the fuse and the resistance wire are connected in series by arranging the conducting layer on the inner wall of the insulating tube, so that the space occupied by the fuse due to bending of one lead can be reduced, the inner space of the insulating tube is reduced, and the size of the whole product is finally reduced.
2) The preparation method of the composite protector provided by the invention has the advantages of simple process, good installation reliability of each component, capability of ensuring that the fuse wire is well electrically connected with the resistance wire through the soldering paste and the metal coating, low production cost and suitability for large-scale production of enterprises.
Drawings
Fig. 1 is a schematic structural view of a composite protector of the prior art.
Fig. 2 is a schematic structural view of a composite protector according to an embodiment of the present invention.
Wherein: 10-an insulating tube; 20-a fuse; 201-temperature sensing body; 202-lead; 30-a cap; 40-resistance wire;
1-an insulating tube; 2-a first conductive cap; 3-a second conductive cap; 4-resistance wire; 5-a conductive layer; 51-a first conductive layer; 52-a second conductive layer; 6-a fuse; 61-temperature fuse link; 62-a first lead; 63-a second lead; 7-protective coating; 8-sealing glue.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, within which a person skilled in the art can solve the technical problem to substantially achieve the technical result.
In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more; the terms "connected," "secured," and the like are to be construed broadly and unless otherwise stated or indicated, and for example, "connected" may be a fixed connection, a removable connection, an integral connection, or an electrical connection; "connected" may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In the description of the present application, it should be understood that the term "and/or" used in the present application is only one kind of association relationship describing the associated object, and means that there may be three kinds of relationships, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
In the description of the present application, it should be understood that the terms "upper" and "lower" used in the description of the embodiments of the present application are used in a descriptive sense only and not for purposes of limitation. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element. The present application is described in further detail below with reference to specific embodiments and with reference to the attached drawings.
As shown in fig. 2, a composite protector includes:
the insulation tube comprises an insulation tube 1, wherein a first conductive cap 2 and a second conductive cap 3 are respectively sleeved at two ends of the insulation tube 1, a conductive layer 5 is arranged on the inner wall of the insulation tube 1, and the conductive layer 5 is electrically connected with the first conductive cap 2;
the resistance wire 4 is wound on the outer wall of the insulating tube 1 and is respectively and electrically connected with the first conductive cap 2 and the second conductive cap 3;
the fuse 6 is accommodated in the insulating tube 1, the fuse 6 comprises a temperature fuse link 61, and a first lead 62 and a second lead 63 which are connected with two ends of the temperature fuse link 61, the first lead 62 extends out from the first conductive cap 2, and the second lead 63 is electrically connected with the conductive layer 5, so that the fuse 6 is connected with the resistance wire 4 in series.
Compared with the prior art, the fuse 6 and the resistance wire 4 are connected in series by arranging the conducting layer 5 on the inner wall of the insulating tube 1, so that the space occupied by the fuse 6 due to bending of one lead can be reduced, the internal space of the insulating tube 1 is reduced, and the size of the whole product is finally reduced.
This product is when using, and resistance wire 4 can generate heat when passing through electric current, and the heat passes through on lead wire or the conduction of air from outside to inside temperature fuse-link 61, and when the temperature reached the action temperature of temperature fuse-link 61, temperature fuse-link 61 disconnection to the circuit breaks, plays protection circuit's effect.
In some embodiments according to the present application, the conductive layer 5 comprises:
a first conductive layer 51 electrically connected to the first conductive cap 2 and disposed along an inner sidewall and an opening end surface of the insulating tube 1;
the second conductive layer 52 is electrically connected to the first conductive layer 51, and is disposed along the inner bottom wall of the insulating tube 1, and the second conductive layer 52 is electrically connected to the second lead 63.
In some embodiments according to the present application, the first conductive layer 51 is a metal plating; the second conductive layer 52 is a solder layer.
In some embodiments according to the present application, the shape of the first conductive layer 51 may be a straight line shape, a folded line shape, a curved line shape, or a combination thereof. The specific shape can be designed according to actual requirements.
In some embodiments according to the present application, solder paste is disposed between the first conductive cap 2 and the metallization layer. Therefore, the first conductive cap and the metal coating can be connected more firmly, and the connection reliability is higher.
In some embodiments according to the present application, the insulating tube 1 is provided with a receiving cavity with at least one open end, the fuse 6 is disposed in the receiving cavity, and the open end is sealed by a sealing compound 8.
In some embodiments according to the present application, the longitudinal height of the housing cavity is equal to the maximum thickness of the fuse 6. This makes it possible to sufficiently utilize the inner space of the insulating tube 1 and to minimize the size of the product.
In some embodiments according to the present application, a protective coating 7 is further included, and the protective coating 7 covers the first conductive cap 2, the resistance wire 4, and the second conductive cap 3. The protective coating 7 is arranged to protect the resistance wire 4 and the conductive cap, so that the insulating property between the resistance wires 4 is improved, and the explosion-proof and lightning-resistant properties of the composite protector are improved.
In some embodiments according to the present application, the protective coating 7 is an epoxy coating, a silicone rubber coating, a silicone resin coating, or a silicone resin coating.
In some embodiments according to the present application, the outer surface of the thermal link 61 is coated with a fluxing agent. The fusing ability of the temperature fuse link 61 can be improved, so that the temperature fuse link 61 is rapidly fused.
In some embodiments according to the present application, the temperature melt has a melting temperature of 80 to 500 ℃. The melting temperature of the temperature melt may be appropriately selected depending on the actual application, and may be, for example, 80 ℃, 100 ℃, 120 ℃, 140 ℃, 160 ℃, 180 ℃, 200 ℃, 250 ℃, 280 ℃, 300 ℃, 350 ℃, 380 ℃, 400 ℃, 450 ℃, 480 ℃, or 500 ℃.
In some embodiments according to the present disclosure, the material of the temperature melt is a tin-copper alloy. By adjusting the proportion of tin and copper, the temperature melt can have different fusing temperatures.
In some embodiments according to the application, the wire diameter of the resistance wire 4 is 0.01-1 mm. The wire diameter of the resistance wire 4 can be properly selected according to actual application objects; for example, it may be 0.01mm, 0.02mm, 0.05mm, 0.08mm, 0.1mm, 0.2mm, 0.5mm, 0.8mm, or 1 mm.
In some embodiments according to the present application, the insulation tube 1 is a ceramic tube or a glass fiber tube. Wherein, the insulating tube 1 and the insulating part can also adopt other insulating and temperature-resistant materials.
In some embodiments according to the present application, the inner wall surface of the insulating tube 1 is coated with an arc extinguishing agent. The arc extinguishing function is performed on the arc generated when the temperature fuse link 61 is fused or short-circuited.
In some embodiments according to the present application, the first conductive cap 2 is a hole cap and the second conductive cap 3 is a lead cap.
In some embodiments according to the present application, the first conductive cap 2 and the second conductive cap 3 are both tin-plated iron caps.
In addition, the present application also provides a manufacturing method of the composite protector, which includes the following steps:
pressing a cap: pressing the first conductive cap 2 and the second conductive cap 3 at two ends of the insulating tube 1 with metalized inner walls through a cap pressing machine, and electrically connecting the first conductive cap 2 with the metal coating;
winding: uniformly winding a resistance wire 4 on the outer wall of the insulating tube 1, and respectively connecting two ends of the resistance wire 4 with a first conductive cap 2 and a second conductive cap 3;
assembling: injecting solder paste into the accommodating cavity of the insulating tube 1, then loading the cut fuse 6 into the accommodating cavity of the insulating tube 1, heating the bottom of the insulating tube 1 injected with the solder paste to solidify the solder paste, and electrically connecting the metal coating on the inner wall of the insulating tube 1 with the second lead 63 of the fuse 6 through the solder paste, wherein the first lead 62 of the fuse 6 extends out of the first conductive cap 2;
gluing and sealing: sealing one open end of the insulating tube 1 by using sealing glue 8 to fix the fuse 6 in the insulating tube 1;
coating: and (3) coating the whole product with a protective coating 7 in a roll coating manner to obtain the composite protector.
Preferably, the method further comprises the following steps: and testing the resistance of the finished product to select products meeting the specification, and braiding the qualified products to facilitate automatic feeding of customer equipment.
Preferably, the method further comprises the following steps: and (4) fully inspecting the appearance of the product, and selecting the appearance defective products.
Preferably, the packaging further comprises: the product is packaged to prevent bad products in the transportation process.
Compared with the prior art, the preparation method of the composite protector provided by the invention has the advantages that the process is simple, the installation reliability of each component is good, the fuse 6 can be ensured to be electrically connected with the resistance wire 4 through the soldering paste and the metal coating, the production cost is low, and the preparation method is suitable for large-scale production of enterprises.
The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A composite protector, comprising:
the insulation tube is sleeved with a first conductive cap and a second conductive cap at two ends respectively, a conductive layer is arranged on the inner wall of the insulation tube, and the conductive layer is electrically connected with the first conductive cap;
the resistance wire is wound on the outer wall of the insulating tube and is respectively and electrically connected with the first conductive cap and the second conductive cap;
the fuse is contained in the insulating tube and comprises a temperature fuse link, a first lead and a second lead, the first lead and the second lead are connected with two ends of the temperature fuse link, the first lead extends out of the first conductive cap, and the second lead is electrically connected with the conductive layer and used for enabling the fuse to be connected with the resistance wire in series.
2. The composite protector of claim 1 wherein the conductive layer comprises:
the first conducting layer is electrically connected with the first conducting cap and is arranged along the inner side wall and the opening end face of the insulating tube;
and the second conducting layer is electrically connected with the first conducting layer, is arranged along the inner bottom wall of the insulating tube and is electrically connected with the second lead.
3. The composite protector of claim 2, wherein: the first conducting layer is a metal coating; the second conductive layer is a solder layer.
4. The composite protector of claim 3, wherein: and solder paste is arranged between the first conductive cap and the metal coating.
5. A composite protector according to any one of claims 1 to 4, wherein: the fuse is characterized in that the inside of the insulating tube is provided with an accommodating cavity with at least one end part being opened, the fuse is arranged in the accommodating cavity, and the opening end is packaged by sealing compound.
6. The composite protector of claim 1, wherein: the resistance wire and the second conductive cap are arranged on the first conductive cap, and the first conductive cap, the resistance wire and the second conductive cap are covered by the protective coating.
7. The composite protector of claim 1, wherein: the external surface of the temperature fuse-link coats the fluxing agent, the melting temperature of temperature fuse-link is 80 ~ 500 ℃.
8. The composite protector of claim 1, wherein: the insulating tube is a ceramic tube or a glass fiber tube.
9. The composite protector of claim 1, wherein: the first conductive cap is a hole cap, and the second conductive cap is a lead cap.
10. A method of making a composite protector according to any one of claims 1 to 9, comprising the steps of:
pressing a cap: pressing a first conductive cap and a second conductive cap on two ends of the insulating tube with the metalized inner wall, and electrically connecting the first conductive cap with the metal coating;
winding: uniformly winding a resistance wire on the outer wall of the insulating tube, and respectively connecting two ends of the resistance wire with a first conductive cap and a second conductive cap;
assembling: injecting solder paste into the accommodating cavity of the insulating tube, then loading the cut fuse into the accommodating cavity of the insulating tube, heating the bottom of the insulating tube injected with the solder paste to solidify the solder paste, and electrically connecting the metal coating on the inner wall of the insulating tube with the second lead of the fuse through the solder paste;
gluing and sealing: sealing one open end of the insulating tube by using sealing glue to fix the fuse in the insulating tube;
coating: and (4) coating the whole product with a protective coating to obtain the composite protector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110821006.5A CN113471033A (en) | 2021-07-20 | 2021-07-20 | Composite protector and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110821006.5A CN113471033A (en) | 2021-07-20 | 2021-07-20 | Composite protector and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113471033A true CN113471033A (en) | 2021-10-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110821006.5A Withdrawn CN113471033A (en) | 2021-07-20 | 2021-07-20 | Composite protector and manufacturing method thereof |
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| Country | Link |
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| CN (1) | CN113471033A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050057337A1 (en) * | 2003-08-25 | 2005-03-17 | Ludger Richter | Tubular fuse component with end caps with a hermetically sealing plastic sealing body insert |
| CN207909608U (en) * | 2018-02-09 | 2018-09-25 | 惠州市旭程新材料有限公司 | Overheat protector resistor |
| CN109994293A (en) * | 2019-04-28 | 2019-07-09 | 东莞市拓锋电子科技有限公司 | A kind of resistor of built-in metal skin temperature fuse |
| CN210837636U (en) * | 2019-12-12 | 2020-06-23 | 深圳市良胜电子有限公司 | Pressure-resistant explosion-proof over-temperature protection type composite fuse |
| CN112562945A (en) * | 2020-12-22 | 2021-03-26 | 东莞市贝特电子科技股份有限公司 | Fuse resistor with low surface temperature and preparation method thereof |
-
2021
- 2021-07-20 CN CN202110821006.5A patent/CN113471033A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050057337A1 (en) * | 2003-08-25 | 2005-03-17 | Ludger Richter | Tubular fuse component with end caps with a hermetically sealing plastic sealing body insert |
| CN207909608U (en) * | 2018-02-09 | 2018-09-25 | 惠州市旭程新材料有限公司 | Overheat protector resistor |
| CN109994293A (en) * | 2019-04-28 | 2019-07-09 | 东莞市拓锋电子科技有限公司 | A kind of resistor of built-in metal skin temperature fuse |
| CN210837636U (en) * | 2019-12-12 | 2020-06-23 | 深圳市良胜电子有限公司 | Pressure-resistant explosion-proof over-temperature protection type composite fuse |
| CN112562945A (en) * | 2020-12-22 | 2021-03-26 | 东莞市贝特电子科技股份有限公司 | Fuse resistor with low surface temperature and preparation method thereof |
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