CN113471636A - Flat wire with fuse and manufacturing method thereof - Google Patents
Flat wire with fuse and manufacturing method thereof Download PDFInfo
- Publication number
- CN113471636A CN113471636A CN202110840854.0A CN202110840854A CN113471636A CN 113471636 A CN113471636 A CN 113471636A CN 202110840854 A CN202110840854 A CN 202110840854A CN 113471636 A CN113471636 A CN 113471636A
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- CN
- China
- Prior art keywords
- flat
- fuse
- main body
- wire
- connecting body
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
- H01M50/51—Connection only in series
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/583—Devices or arrangements for the interruption of current in response to current, e.g. fuses
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuses (AREA)
Abstract
The invention relates to the technical field of electronic connecting wires, in particular to a flat wire with a fuse, which comprises: the flat wire comprises a flat wire main body and a lead-out wire main body, wherein the flat wire main body comprises insulating layers on the upper side and the lower side and a flat conductor clamped between the two insulating layers, and an exposure window is formed in the insulating layer on one side to expose the flat conductor; the outgoing line main body comprises a fuse structure, a first connecting body and a second connecting body, wherein the first connecting body and the second connecting body are arranged at two ends of the fuse structure; the first connecting body is connected with the flat conductor in the flat wire main body through the exposure window, and the second connecting body is used for connecting an external element.
Description
Technical Field
The invention relates to the technical field of electronic connecting wires, in particular to a flat wire with a fuse.
Background
FFC flat cable Chinese translation: the flexible flat cable can select the number and the interval of the conducting wires at will, so that the connection is more convenient, the size of an electronic product is greatly reduced, the production cost is reduced, the production efficiency is improved, and the flexible flat cable is most suitable for being used as a data transmission cable between a mobile part and a main board, between a PCB and a miniaturized electrical equipment and is widely used in electric automobiles.
The battery module of the electric automobile is formed by connecting thousands of electric cores in series through conducting strips, and meanwhile, the positive electrode and the negative electrode of each battery core are required to be connected through high current so as to provide power required by automobile running. Meanwhile, voltage and current monitoring and temperature monitoring are carried out on each battery core, balance control and adjustment are carried out when the electric energy of the battery core is unbalanced, a sampling wire harness of related signals is usually a flat wire, a sampling module is easily damaged by large current under the condition that the battery discharges abnormally, and a corresponding over-current protection safety structure is not arranged in the existing flat wire.
Disclosure of Invention
In view of the above, the present invention is directed to overcoming the drawbacks of the prior art and providing a flat wire with a fuse.
The invention relates to a flat wire with a fuse, comprising:
the flat wire comprises a flat wire main body and a plurality of insulating layers, wherein the flat wire main body comprises insulating layers on the upper side and the lower side and a flat conductor clamped between the two insulating layers, and an exposure window is formed in the insulating layer on at least one side to expose the flat conductor;
the lead wire comprises a lead wire main body, a first connecting body and a second connecting body, wherein the lead wire main body comprises a fuse structure and the first connecting body and the second connecting body are arranged at two ends of the fuse structure;
the first connecting body is connected with the flat conductor in the flat wire main body through the exposure window, and the second connecting body is used for connecting an external element.
Further, the lead wire comprises a reinforcing film which covers two sides of the lead wire main body, extends to the upper part of the insulating film and is adhered to the insulating film.
Further, the fuse structure of the outgoing line main body is an FPC with a fuse, and the fuse is a curve structure.
Furthermore, welding areas are arranged at the end parts of the first connecting body and the second connecting body, the fuse structure is welded on the welding areas, and reinforcing holes are formed in the welding areas.
Furthermore, the flat conductors are multiple, and the exposure windows are formed in different positions on the insulating layer corresponding to different flat conductors.
The invention also provides a manufacturing method of the flat wire with the fuse, which comprises the following steps:
s1, rolling the metal conductor to form a flat conductor, respectively covering the upper surface and the lower surface of the flat conductor with insulating layers, and pressing to obtain a flat wire main body;
s2, stripping the insulating layer on the flat wire main body to form an exposure window, so that a part of the flat conductor is exposed at the exposure window;
and S3, welding the lead wire main body with the fuse and the flat conductor at the exposed window.
Further, the manufacturing method further comprises the following steps:
and covering the two sides of the welded outgoing line main body with reinforcing films, and combining the reinforcing films with the insulating films on the two sides of the flat conductor.
Further, the lead-out wire main part includes fuse structure and the first connector and the second connector at fuse structure both ends, the fuse structure is the FPC who has the fuse, the tip of first connector and second connector all has the weld zone, the fuse structure welding is in on the weld zone, just reinforcing hole has been seted up on the weld zone.
Further, the fuse is of a curve structure.
The invention has the beneficial effects that: the invention discloses a flat wire with a fuse, which is provided with a flat wire main body and an outgoing wire main body, wherein the flat wire main body is used as a transmission line and is provided with a thick flat conductor, the outgoing wire main body is led out from an exposed window arranged on the flat wire main body, and the flat wire main body is provided with a fuse structure.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a schematic structural view of a flat wire body according to the present invention;
FIG. 2 is a schematic structural view of a main body of an outgoing line according to the present invention;
fig. 3 is a schematic view of the overall structure of the present invention.
Description of reference numerals: the flat wire comprises a flat wire main body 100, an insulating layer 101, a flat conductor 102, an exposure window 103, a lead wire main body 200, a fuse structure 201, a fuse 202, a bonding pad 203, a reinforcing hole 204, a first connecting body 205, a second connecting body 206 and a reinforcing film 207.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 3, a flat wire with a fuse in the present embodiment includes: the flat wire comprises a flat wire main body 100 and a leading-out wire main body 200, wherein the flat wire main body 100 comprises insulating layers 101 on the upper side and the lower side and a flat conductor 102 clamped between the two insulating layers 101, and an exposure window 103 is formed in the insulating layer 101 on one side to expose the flat conductor 102; the outlet main body 200 comprises a fuse structure 201 and a first connecting body 205 and a second connecting body 206 at two ends of the fuse structure 201; the first connecting body 205 is connected to the flat conductor 102 in the flat wire body 100 through the exposure window 103, and the second connecting body 206 is used for connecting to an external element. In the conventional flat wire, the flat conductor 102 is used for continuously connecting elements at two ends, and the flat conductor 102 is thick, so that the function of overcurrent protection is not usually achieved.
In this embodiment, the two sides of the lead-out wire main body 200 are covered with the reinforcing films 207, and the reinforcing films 207 extend above the insulating film, and are bonded to the insulating film, thereby increasing the holding force and the verticality of the flat wire main body 100 and the lead-out wire main body 200.
In this embodiment, the fuse structure 201 of the outgoing line main body 200 is an FPC, a fuse 202 having an overload protection function is etched in the FPC, the fuse 202 has a curved structure, the resistance of the fuse 202 is increased, and the fuse 202 is more easily fused by a constant current due to the increase of the resistance.
In this embodiment, the end portions of the first connecting body 205 and the second connecting body 206 are respectively provided with a soldering region 203, the fuse structure 201 is soldered on the soldering region 203, and the soldering region 203 is provided with a reinforcing hole 204, so that when the fuse structure 201 is soldered on the soldering region 203, the reinforcing hole 204 plays a role of fixing solder, and the holding force of the first connecting body 205, the second connecting body 206 and the FPC is enhanced.
In this embodiment, the flat conductors 102 are plural, the exposure windows 103 are opened at different positions corresponding to different flat conductors 102 on the insulating layer 101, and the lead wire main bodies 200 are provided at different positions corresponding to different flat conductors 102.
The flat wire has the fuse structure 201, so that compared with the conventional flat wire, the flat wire has an overcurrent protection function in the current transmission process.
The invention also discloses a manufacturing method of the flat wire with the fuse 202, which specifically comprises the following steps:
first, a metal conductor is rolled by a conventional method to form a flat conductor 102, and the upper and lower surfaces of the flat conductor 102 are covered with insulating layers 101, respectively, and then are pressed to obtain a flat wire body 100.
And secondly, stripping the insulating layer 101 on the flat wire main body 100 to form an exposed window 103, so that a part of the flat conductor 102 is exposed at the exposed window 103, wherein laser stripping is adopted in the stripping process, the exposed window 103 can be formed on the insulating layer 101 on one side, and the two sides can also be stripped, so that after the product is subjected to laser, the surface is free from scorching and blackening, the surface of the conductor is free from adhesive residue, and the coating cannot be damaged.
Third, the lead-out wire body 200 with the fuse 202 is soldered to the flat conductor 102 at the exposed window 103.
Fourthly, the two sides of the soldered lead-out wire main body 200 are covered with the reinforcing films 207, and the reinforcing films 207 are bonded to the insulating films on the two sides of the flat conductor 102 to protect the solder joints while increasing the holding force and the verticality of the flat wire main body 100 and the lead-out wire main body 200.
In the above method, the lead-out wire main body 200 includes the fuse structure 201, and the first connecting body 205 and the second connecting body 206 at two ends of the fuse structure 201, in this embodiment, the first connecting body 205 and the second connecting body 206 both use nickel plates, the fuse structure 201 is an FPC having the fuse 202 formed by etching, the fuse 202 is in a curved structure, the ends of the first connecting body 205 and the second connecting body 206 both have the welding region 203, the fuse structure 201 is welded on the welding region 203, and the welding region 203 is provided with the reinforcing hole 204, so when the gold fingers at two ends of the FPC are welded to the positions of the welding region 203, the solder permeates into the reinforcing hole 204, and the connection strength is enhanced.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (9)
1. A fused flat wire, comprising:
the flat wire comprises a flat wire main body and a plurality of insulating layers, wherein the flat wire main body comprises insulating layers on the upper side and the lower side and a flat conductor clamped between the two insulating layers, and an exposure window is formed in the insulating layer on at least one side to expose the flat conductor;
the lead wire comprises a lead wire main body, a first connecting body and a second connecting body, wherein the lead wire main body comprises a fuse structure and the first connecting body and the second connecting body are arranged at two ends of the fuse structure;
the first connecting body is connected with the flat conductor in the flat wire main body through the exposure window, and the second connecting body is used for connecting an external element.
2. The flat fused wire of claim 1 wherein: and the lead-out wire further comprises reinforcing films which cover two sides of the lead-out wire main body, extend to the upper part of the insulating film and are adhered to the insulating film.
3. The flat fused wire of claim 1 wherein: the fuse structure of the outgoing line main body is an FPC with a fuse, and the fuse is of a curve structure.
4. The flat fused wire of claim 3 wherein: the end parts of the first connecting body and the second connecting body are respectively provided with a welding area, the fuse structure is welded on the welding areas, and the welding areas are provided with reinforcing holes.
5. The flat fused wire of claim 4 wherein: the flat conductors are multiple, and the exposure windows are formed in different positions on the insulating layer corresponding to different flat conductors.
6. A manufacturing method of a flat wire with a fuse is characterized by comprising the following steps:
s1, rolling the metal conductor to form a flat conductor, respectively covering the upper surface and the lower surface of the flat conductor with insulating layers, and pressing to obtain a flat wire main body;
s2, stripping the insulating layer on the flat wire main body to form an exposure window, so that a part of the flat conductor is exposed at the exposure window;
and S3, welding the lead wire main body with the fuse and the flat conductor at the exposed window.
7. The manufacturing method of a flat wire with a fuse according to claim 6, characterized in that: the manufacturing method further comprises the following steps:
and covering the two sides of the welded outgoing line main body with reinforcing films, and combining the reinforcing films with the insulating films on the two sides of the flat conductor.
8. The manufacturing method of a flat wire with a fuse according to claim 6, characterized in that: the lead-out wire main part includes fuse structure and the first connector and the second connector at fuse structure both ends, the fuse structure is the FPC who has the fuse, the tip of first connector and second connector all has the weld zone, the fuse structure welding is in on the weld zone, just reinforcing hole has been seted up on the weld zone.
9. The manufacturing method of a flat wire with a fuse according to claim 8, characterized in that: the fuse is of a curve structure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110840854.0A CN113471636A (en) | 2021-07-26 | 2021-07-26 | Flat wire with fuse and manufacturing method thereof |
| CN202210054869.9A CN114361728A (en) | 2021-07-26 | 2022-01-18 | Flat wire with fuse and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110840854.0A CN113471636A (en) | 2021-07-26 | 2021-07-26 | Flat wire with fuse and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113471636A true CN113471636A (en) | 2021-10-01 |
Family
ID=77882332
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110840854.0A Withdrawn CN113471636A (en) | 2021-07-26 | 2021-07-26 | Flat wire with fuse and manufacturing method thereof |
| CN202210054869.9A Pending CN114361728A (en) | 2021-07-26 | 2022-01-18 | Flat wire with fuse and manufacturing method thereof |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210054869.9A Pending CN114361728A (en) | 2021-07-26 | 2022-01-18 | Flat wire with fuse and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN113471636A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115149221A (en) * | 2022-05-17 | 2022-10-04 | 常州长盈精密技术有限公司 | Battery pack wire harness for vehicle |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005135823A (en) * | 2003-10-31 | 2005-05-26 | Fujikura Ltd | Branching structure of flat harness, and manufacturing method of the same |
| JP2005158352A (en) * | 2003-11-21 | 2005-06-16 | Jun Mizuno | Electric wire with fuse |
| JP2014143079A (en) * | 2013-01-24 | 2014-08-07 | Hitachi Metals Ltd | Flat wiring material and method of manufacturing the same |
| JP6007857B2 (en) * | 2013-05-10 | 2016-10-12 | 日立金属株式会社 | Flat wiring member and manufacturing method thereof |
| CN212434287U (en) * | 2020-09-11 | 2021-01-29 | 鹤山市得润电子科技有限公司 | Connecting wire structure and connecting wire module |
| CN113161057A (en) * | 2020-12-16 | 2021-07-23 | 深圳闻信电子有限公司 | Flexible flat cable and preparation process and application thereof |
| CN215644877U (en) * | 2021-07-26 | 2022-01-25 | 苏州精实电子科技有限公司 | Flat wire with fuse |
-
2021
- 2021-07-26 CN CN202110840854.0A patent/CN113471636A/en not_active Withdrawn
-
2022
- 2022-01-18 CN CN202210054869.9A patent/CN114361728A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115149221A (en) * | 2022-05-17 | 2022-10-04 | 常州长盈精密技术有限公司 | Battery pack wire harness for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114361728A (en) | 2022-04-15 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20211001 |