CN106024548A - Fuse resistor and manufacturing method thereof - Google Patents
Fuse resistor and manufacturing method thereof Download PDFInfo
- Publication number
- CN106024548A CN106024548A CN201610118600.7A CN201610118600A CN106024548A CN 106024548 A CN106024548 A CN 106024548A CN 201610118600 A CN201610118600 A CN 201610118600A CN 106024548 A CN106024548 A CN 106024548A
- Authority
- CN
- China
- Prior art keywords
- wire
- fusing
- lead
- resistive element
- resistor
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- 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
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
- H01H85/048—Fuse resistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C13/00—Resistors not provided for elsewhere
- H01C13/02—Structural combinations of resistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Details Of Resistors (AREA)
Abstract
The invention relates to a fuse resistor and a manufacturing method thereof, and specifically relates to a fuse resistor, which is arranged in the circuit of an electronic product to prevent current impact, internal temperature rising and continuous over-current that may cause machine faults, and a manufacturing method thereof. The fuse resistor can be integrally embedded into a lead wire. So, the structure is simple, the minimization can be realized, and moreover, the manufacturing technology can be simplified.
Description
Technical field
The present invention relates to a kind of fusing resistor and manufacture method thereof, be arranged on more particularly, to one
To prevent dash current, internal temperature from rising, persistently to cross the machine that stream etc. causes in the circuit of electronic product
The fusing resistor of fault and manufacture method thereof, be formed as being embedded in lead-in wire thermal cut-off integratedly
Structure, therefore simple in construction, it is possible to realize miniaturization, and manufacturing process can be simplified.
Background technology
Generally, in the circuit of the electronic product such as LCD TV, PDP TV, in order to prevent connecting electricity
During source, produced dash current, internal temperature rise, persistently cross the mechanical disorder that stream etc. causes, at electricity
The power input on road arranges such as the protection element of fusing resistor (Thermal Fuse Resistor), from
And protect power circuit.
First such fusing resistor possesses resistive element and thermal cut-off, resistive element and thermal cut-off passes through
Lead-in wire is one another in series.
Additionally, in fusing resistor, in order to prevent other electronic component from being produced when being fused by fuse-link
The impact of fragment, with housing packaged resistance body and thermal cut-off, and fill filler in the inside of housing.
Here, consider thermostability, conductivity, curable etc., described filler uses and comprises Silicon stone (SiO2)
Pulpous state filler, described housing generally uses the housing of the ceramic material as general resistor housing.
Additionally, the end of described lead-in wire extends and is drawn out to hull outside, in conventional fusing resistor,
The end of described lead-in wire is welded on a printed circuit, so that resistive element and thermal cut-off are vertically to set
The state put is arranged on a printed circuit.
Therefore, fusing resistor as above, utilize resistive element to be limited when flowing into dash current
For rated current, make short circuit when flowing into overcurrent, lead to the heat that resistive element heating is produced
Cross described filler conduct to thermal cut-off so that be arranged within thermal cut-off, by solid, shaped lead or
The fuse-link fusing that polymer beads is constituted, thus protect the circuit of household appliances.
Fig. 8 a and Fig. 8 b is the schematic diagram illustrating existing fusing resistor, with reference to Fig. 8 a and Fig. 8 b,
Republic of Korea's granted patent the 10-1060013rd discloses a kind of fusing resistor, and it possesses: resistive element
10；Thermal cut-off 20, for making short circuit by the heating functioin of described resistive element 10；Lead-in wire 31,
33, it is used for connect described resistive element 10 and thermal cut-off 20；Housing 40, one side open, and one
The lead-out groove 41 for drawing described lead-in wire it is formed with on the wall of side, thus by the end of lead-in wire 32,34
Under the state being drawn out to outside, described resistive element 10 and thermal cut-off 20 are accommodated in inside；Filler 50,
It is filled in described housing 40 internal, comprises Silicon stone, resistive element 10 and thermal cut-off 20 and be embedded in inside it.
But, in described granted patent, thermal cut-off is formed as the version such as resistive element, therefore, difficult
With miniaturization, and need respectively pair of lead wires 31,32 and lead-in wire 33,34 to be connected to resistive element
10 and thermal cut-off 20 after, reconnect the lead-in wire 31 of resistive element 10 and the lead-in wire 33 of thermal cut-off 20,
Accordingly, there exist the problem that manufacturing process is complicated.
Summary of the invention
Invent technical problem to be solved
The present invention proposes to solve the problems referred to above, it is an object of the invention to, it is provided that Yi Zhongrong
Fuse resistor and manufacture method thereof, be formed as being embedded into thermal cut-off integratedly the structure in lead-in wire, because of
This, simple in construction and be capable of miniaturization.
It is further an object that, it is provided that a kind of fusing resistor and manufacture method thereof, by hot melt
Disconnected device and lead-in wire are bonded into a modular form, and by embedded injection molding manner formation forming part, therefore,
Can simplified assembling process, and prevent wiring bad to greatest extent.
It is further an object that, it is provided that a kind of fusing resistor and manufacture method thereof, at resistance
It is contained in forming part or housing under the state forming silicone coatings or packed layer on the surface of body, because of
This, even if abnormal current causes resistive element to explode, it is also possible to reduce its impact or noise significantly.
Way to solve the problem
To this end, the fusing resistor that the present invention relates to, it is characterised in that including: resistive element；Fusing is drawn
Line, is connected to one end of described resistive element, and is embedded with thermal cut-off；Lead-in wire, is connected to described electricity
The other end of resistance body, described fusing lead-in wire includes: the first electric wire portion, it engages with described resistive element；The
Two electric wire portion, it is connected with substrate；Described thermal cut-off, its one end engages with described first electric wire portion,
And the other end engages with described second electric wire portion.
Additionally, the fusing resistor that the present invention relates to, it is characterised in that resistive element is to roll up on ceramic rod
Around the wire resistor body of wire, it is formed with silicone coatings on the surface of described ceramic rod and wire.
Additionally, the fusing resistor that the present invention relates to, it is characterised in that resistive element is to be provided with one at two ends
To the wire resistor body of coiled electrical conductor on the ceramic rod of terminal, formed between the pair of terminal
Space filling silicones is to form packed layer, and the thickness of described packed layer is identical with the thickness of described terminal.
Additionally, the fusing resistor that the present invention relates to, it is characterised in that also include forming part, for close
Envelope resistive element, fusing lead-in wire and lead-in wire.
Additionally, the fusing resistor that the present invention relates to, it is characterised in that also including housing, it is used for receiving
Holding resistive element, fusing lead-in wire and lead-in wire, described housing in a tubular form, and is filled with filling material in inside
Material.
Additionally, the fusing resistor that the present invention relates to, it is characterised in that thermal cut-off is by fusible portion and helps
Flux portion is constituted, and described fusible portion fuses when heated, and described flux portion is inserted in described fusible portion
Center.
Additionally, the manufacture method of the fusing resistor that the present invention relates to, it is characterised in that include following step
Rapid: to engage the first electric wire portion, thermal cut-off and the second electric wire portion, thus form fusing lead-in wire；At electricity
One end of resistance body engages the first electric wire portion of described fusing lead-in wire, and at other end bonding wire；To engage
Have described fusing lead-in wire and lead-in wire resistive element lay in a mold, and to described mould resin by injection with
Form forming part.
Additionally, the manufacture method of the fusing resistor that the present invention relates to, it is characterised in that include following step
Rapid: to engage the first electric wire portion, thermal cut-off and the second electric wire portion, thus form fusing lead-in wire；At electricity
One end of resistance body engages the first electric wire portion of described fusing lead-in wire, and at other end bonding wire；Prepare pipe
The housing of shape, and described resistive element is inserted into inside it；Packing material is filled into described enclosure interior.
Additionally, the manufacture method of the fusing resistor that the present invention relates to, it is characterised in that housing in a tubular form,
Be formed with sidewall in its one end, described sidewall is provided with hole, in order to insert described fusing lead-in wire or lead-in wire,
Its other end is opened.
Additionally, the manufacture method of the fusing resistor that the present invention relates to, it is characterised in that housing is two ends
The tubulose being opened, is filled into the step of described enclosure interior by sealing institute with sealing member by packing material
After stating one end of housing, packing material is filled into described enclosure interior, then seals described shell with sealing member
The other end of body and realize, described sealing member is provided with fairlead, in order to draw described fusing lead-in wire and
Lead-in wire.
Additionally, the manufacture method of the fusing resistor that the present invention relates to, it is characterised in that pass through welding
(soldering), spot welding or supersonic welding fetch joint thermal cut-off and first, second electric wire portion.
Additionally, the fusing resistor that the present invention relates to and manufacture method thereof, it is characterised in that thermal cut-off
Being made up of fusible portion and flux portion, described fusible portion fuses when heated, and described flux portion inserts
In the center in described fusible portion, fetch joint institute by welding (soldering), spot welding or supersonic welding
State fusible portion and described first, second electric wire portion.
Additionally, the fusing resistor that the present invention relates to and manufacture method thereof, it is characterised in that thermal cut-off
There is the diameter identical with described first, second electric wire portion.
Additionally, the fusing resistor that the present invention relates to and manufacture method thereof, it is characterised in that resistive element is
Be provided with the wire resistor body of coiled electrical conductor on the ceramic rod of pair of terminal at two ends, described method enters one
Step comprises the following steps: coat the step of silicones on the surface of described ceramic rod and wire, or
Silicones is filled in the space formed between the pair of terminal, to form the thickness of thickness and described terminal
The step of identical packed layer.
Invention effect
Fusing resistor that the present invention according to configuration as described above relates to and manufacture method thereof, owing to being formed
For thermal cut-off being embedded into integratedly the structure in lead-in wire, therefore, simple in construction, and it is capable of
Miniaturization.
Additionally, according to the fusing resistor that the present invention relates to and manufacture method thereof, by thermal cut-off and lead-in wire
It is bonded into a modular form, and forms forming part by embedded injection moulding, therefore, it is possible to simplify
Packaging technology, and prevent wiring bad to greatest extent.
Additionally, according to the fusing resistor that the present invention relates to and manufacture method thereof, on the surface of resistive element
It is contained in forming part or housing, therefore, even if abnormal current is led under the state forming silicone coatings
Send a telegraph resistance body blast, it is also possible to reduce its impact or noise significantly.
Additionally, according to the fusing resistor that the present invention relates to and manufacture method thereof, shape on resistive element surface
Become silicone coatings or packed layer such that it is able to improve explosion-resistance characteristic.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the first embodiment illustrating the fusing resistor that the present invention relates to.
Fig. 2 a is the sectional view of Fig. 1, and Fig. 2 b to Fig. 2 d is to be formed with coating on the resistive element of the present invention
Or the sectional view of the situation of packed layer.
Fig. 3 is the axonometric chart of the thermal cut-off structure illustrating the present invention.
Fig. 4 a is the schematic diagram of the forming process of the fusing lead-in wire illustrating the present invention, and Fig. 4 b is to be shown in this
The schematic diagram of the situation of bonding wire on the resistive element of invention.Additionally, Fig. 4 c is corresponding to Fig. 4 a, Fig. 4 b,
When being to engage the first electric wire portion on resistive element, thermal cut-off is joined to described first electric wire portion
The schematic diagram of situation.
Fig. 5 is the axonometric chart of the second embodiment illustrating the fusing resistor that the present invention relates to.
Fig. 6 a is the schematic diagram illustrating the situation inserting resistive element to the housing of the present invention, and Fig. 6 b is to illustrate
The schematic diagram of the situation of packing material is filled in the housing of the present invention.
Fig. 7 is the axonometric chart of the 3rd embodiment illustrating the fusing resistor that the present invention relates to.
Fig. 8 a and Fig. 8 b is the schematic diagram illustrating existing fusing resistor.
Reference:
100: fusing resistor 110: resistive element
111: ceramic rod 113: wire
115: coating 115 ', 115 ": packed layer
117: terminal
120: fusing lead-in wire 121: the first electric wire portion
123: the second electric wire portion 125: thermal cut-off
126: fusible portion 127: scaling powder portion
130: lead-in wire 140: forming part
150: housing 151: sidewall
152: hole 155: sealing member
156: fairlead 160: packing material
Detailed description of the invention
Below, referring to the drawings, embodiments of the invention are described in detail as follows.
When the present invention will be described, if it is considered to illustrating relevant known function or structure
The most unnecessarily obscure idea of the invention, then omit detailed description thereof.It addition, it is described later
Term is the term considering its function in the present invention and defining, according to user, the intention of application person
Or legal precedent etc. can be different.Therefore, its definition should determine according to the entire content of this specification.
Referring to figs. 1 through Fig. 3, the fusing resistor 100 that the first embodiment of the present invention relates to is suitable at electronics
The circuit of product uses, generally includes resistive element 110, fusing lead-in wire 120, lead-in wire 130 and become
Type portion 140.
Described resistive element 110 is heating when applying overcurrent, thus fusing is arranged on described fusing lead-in wire 120
In thermal cut-off 125, with reference to Fig. 2 b, can exemplify and include ceramic rod 111, be arranged on described pottery
The rod terminal 117 at 111 two ends and the wire resistor body of wire 113 being wound on described ceramic rod 111.
And, it is preferable that formed on described resistive element 110 the coating 115 or Fig. 2 c shown in Fig. 2 b,
Packed layer 115 ' shown in Fig. 2 d, 115 ".
Described coating 115 plays protection wire and improves the effect of explosion-resistance characteristic, can be at ceramic rod 111
And coat thin silicone layer on the surface of wire 113 and realize.
Described packed layer 115 ', 115 " for improving the explosion-resistance characteristic of resistive element 110 to greatest extent, logical
Cross between pair of terminal 117 formed space fill silicones, be formed as thickness at least with described terminal
The thickness of 117 is identical, to be fully sealed by described wire 113.
By formed described coating 115 or packed layer 115 ', 115 ", because being applied to abnormal current
Described resistive element explosion time disposably absorbs its impact and part for noise, thus improves product
Explosion-resistance characteristic.
Terminal 117 at described resistive element 110 engages described fusing lead-in wire 120 and lead-in wire 130.
Described fusing lead-in wire 120 includes: the first electric wire portion 121, it engages with described resistive element 110；The
Two electric wire portion 123, it is drawn from described forming part 140 and is connected to substrate；Thermal cut-off 125, one
End engages with described first electric wire portion 121, and the other end engages with described second electric wire portion 123.
Although described first electric wire portion 121 can also be bent downwardly, and draw from the downside of forming part 140
Described second electric wire portion 123, but this is example, it is also possible to the characteristic of corresponding product and be designed to tie as follows
Structure, i.e. do not bend the first electric wire portion and draw described second electric wire portion from the side of forming part and bend
Structure.
Described thermal cut-off 125 is fused by the heating of described resistive element 110 so that short circuit, from
And playing the effect of protection setting element in circuit, it is connected with described resistive element 110.
Additionally, described thermal cut-off 125 can be by fusible portion 126 be inserted in described fusible portion 126
The flux portion 127 of the heart is constituted, and can enumerate the example that described fusible portion 126 is stannum or ashbury metal, its
It is blown when heating and disconnects electrical connection.
Described flux portion 127 plays the effect making the fusible portion 126 melted condense, and can enumerate by chlorination
The example that thing, fluoride, resin etc. are constituted.
With reference to Fig. 3 and Fig. 4 a, engage described thermal cut-off 125 and the first electric wire portion by welding manner
121, during the second electric wire portion 123, at end and described first electricity in the described fusible portion 126 of metal material
Weld under the state that the end of line portion the 121, second electric wire portion 123 connects, it is preferable therefore that described
Thermal cut-off 125 and first electric wire portion the 121, second electric wire portion 123 have identical diameter.If hot melt
The diameter of disconnected device 125 more than the diameter of described first electric wire portion the 121, second electric wire portion 123, then described in help
The diameter in flux portion 127 needs less than the diameter of described first electric wire portion the 121, second electric wire portion 123, with
Toilet is stated fusible portion 126 and can be connected with described first electric wire portion the 121, second electric wire portion 123.
During if fusible portion to be inserted into the structure at center, described flux portion, then sent out by described resistive element
Heat that is hot and that transmitted by forming part reheats fusible portion after first heating flux portion, therefore, has
It is likely to occur the reduction delaying the operating chacteristicses such as fusing time.And the peripheral configuration at described thermal cut-off
There is the flux portion of insulant, therefore, it is impossible to engaged by spot welding mode.It is preferable therefore that
Described thermal cut-off 125 has flux portion 127 is inserted in the structure in fusible portion 126.
Additionally, described forming part 140 plays following effect, i.e. protective resistance body 110 from physical impact
And it is connected to fusing lead-in wire 120 and the lead-in wire 130 of described resistive element 110, and at described resistive element
110 fusing or explosion time absorb its impact, and the heat of described resistive element 110 is delivered to hot melt breaks
Device 125.And described forming part 140 seals described resistive element 110, fusing lead-in wire 120 and lead-in wire 130
A part, its example being made up of the synthetic resin material such as silicones or epoxy resin can be enumerated.Now,
It is the closeest that first electric wire portion 121 of described fusing lead-in wire 120 and thermal cut-off 125 are formed portion 140
Envelope, the other end of the second electric wire portion 123 is unsealed and draws from the downside of forming part 140.
The fusing resistor 100 of the present invention, at the first electric wire portion 121 and the second electric wire of fusing lead-in wire 120
Embed thermal cut-off between portion 123, therefore, there is simple in construction and the advantage being capable of miniaturization.
Below, referring to the drawings the manufacture method of fusing resistor is illustrated.
First, referring again to Fig. 2 b to Fig. 2 d, resistive element 110 can be enumerated and be wound with on ceramic rod 111
The example of the wire resistor body of wire 113, in order to improve explosion-resistance characteristic, at described ceramic rod 111 and lead
On line 113 surface, coating silicones is to form coating 115, or the sky formed between pair of terminal 117
Between fill silicones and formed the most identical packed layer 115 ' of thickness and described terminal 117 thickness, 115 ".
Then, with reference to Fig. 4 a, prepare to engage the first electric wire portion 121, thermal cut-off 125 and the second electric wire
The fusing lead-in wire 120 in portion 123 and lead-in wire 130.
Now, can enumerate and engage thermal cut-off 125 and by welding, spot welding or ultrasonic bonding mode
The example of first electric wire portion the 121, second electric wire portion 123.
And as it has been described above, engage described thermal cut-off 125 and first electric wire portion the 121, second electric wire portion
When 123, in the end in described fusible portion 126 and described first electric wire portion the 121, second electric wire portion 123
Engage under the state that end connects, it is preferable therefore that described thermal cut-off 125 and the first electric wire portion
121, the second electric wire portion 123 has identical diameter.
Then, with reference to Fig. 4 b, engage fusing lead-in wire 120 and lead-in wire 130 at the two ends of resistive element 110.
Then, referring again to Fig. 2 a, bend described fusing lead-in wire 120 and lead-in wire 130, then by resistance
Body 110 is installed in mould, and by the embedded injection moulding being shaped to described mould resin by injection
Form forming part 140.
So, the most described fusing lead-in wire 120 is formed as, by first electric wire portion the 121, second electricity
Line portion 123 and the modular form of thermal cut-off 125 integration, and formed by embedded injection moulding
Forming part 140, therefore, it is possible to simplify manufacturing process.
Simply, described fusing lead-in wire 120 need not be by the first electric wire portion 121, thermal cut-off 125 and the
Resistive element 110 it is joined to, as illustrated in fig. 4 c under the state that two electric wire portion 123 all engage, it is of course possible to
Thermal cut-off 125 and the second electric wire portion is engaged after first the first electric wire portion 121 is connected to resistive element 110
The assembly of 123.
Below, the fusing resistor related to the second embodiment of the present invention illustrates.
With reference to Fig. 5, identical with first embodiment, that the second embodiment of the present invention relates to fusing resistor
100 include resistive element 110, fusing lead-in wire 120 and lead-in wire 130, at the two ends of described resistive element 110
It is bonded to described fusing lead-in wire 120 and lead-in wire 130.And described fusing lead-in wire 120 includes: the first electric wire
Portion 121, it engages with described resistive element 110；Second electric wire portion 123, it draws from described forming part 140
Go out and be connected to substrate；Thermal cut-off 125, its one end engages with described first electric wire portion 121, the other end
Engage with described second electric wire portion 123.
Simply, difference in this case is that, use housing 150 to replace the forming part of first embodiment
140。
The described housing 150 being made up of tubulose thermosetting resin, thermoplastic resin or ceramic material can be enumerated
Example.
And, the inside of described housing 150 is filled with packing material 160, can enumerate described packing material
160 is cement or the example of the resin such as silicones, epoxy resin comprising Silicon stone (SiO2).
The manufacture process of the fusing resistor of the present embodiment is checked, at resistive element 110 with reference to Fig. 6 a and Fig. 6 b
Two ends engage fusing lead-in wire 120 and lead-in wire 130 after, insert it in the housing 150 of tubulose.
Then, in packing material 160 is loaded described housing 150 and solidify, thus complete fusing resistor
The manufacture of device 100.
Now, it is preferable that described housing 150 is configured to following structure, i.e. its one end is provided with sidewall
151 and the other end is wide-open structure, this sidewall 151 is formed can draw described fusing lead-in wire
120 or lead-in wire 130 hole 152.This is because, draw described fusing lead-in wire 120 by described hole 152
Or load packing material by the other end of the opening of housing 150 under lead-in wire 130 state that combines
160, therefore, manufacture process becomes easy.
Below, the fusing resistor related to the third embodiment of the present invention illustrates.
With reference to Fig. 7, identical with the second embodiment, the fusing resistor 100 that the present embodiment relates to includes resistance
Body 110, fusing lead-in wire 120, lead-in wire 130, housing 150 and packing material 160.
Simply, the difference of the present embodiment and the second embodiment is, arranges sealing at the two ends of housing 150
Part 155,155a.
Described sealing member 155,155a are hat shape, have fairlead 156, in order to draw described fusing lead-in wire
120 and lead-in wire 130, and it is fixed on housing 150 by binding agent etc..
Check the manufacture process of the fusing resistor of the present embodiment, first prepare to be bonded to the lead-in wire 120 that fuses
And the resistive element 110 of lead-in wire 130, then described resistive element 110 is inserted into the inside of housing 150.
And after fusing lead-in wire 120 or lead-in wire 130 are penetrated described fairlead 156, by solid for sealing member 155
It is scheduled on one end of described housing 150.Then, packing material 160 is loaded to the inside of described housing 150
Afterwards, also fix another sealing member 155a at the other end, thus complete the manufacture of fusing resistor.
As it has been described above, according to the fusing resistor of the present invention and manufacture method thereof, by thermal cut-off integratedly
Being formed in fusing lead-in wire, therefore simple in construction, it is possible to simplify manufacturing process, and forming part and housing
Can be used.
On the other hand, in detailed description of the invention and accompanying drawing, specific embodiment is illustrated,
But, the present invention is not limited to the disclosed embodiments, for having in the technical field of the invention
For the technical staff of general knowledge, in the range of without departing from the technology of the present invention thought, can carry out various
Replace, deform and change.Therefore, the scope of the present invention should not be limited to embodiment described, should
It is construed to, including the scope of appending claims and the scope that is equal to it.
Claims (7)
1. a fusing resistor, it is characterised in that including:
Resistive element；
Fusing lead-in wire, is connected to one end of described resistive element, and is embedded with thermal cut-off；
Lead-in wire, is connected to the other end of described resistive element,
Described fusing lead-in wire includes:
First electric wire portion, it engages with described resistive element；Second electric wire portion, it is connected with substrate；Described
Thermal cut-off, its one end engages with described first electric wire portion, and the other end engages with described second electric wire portion,
Described thermal cut-off is made up of fusible portion and flux portion, described fusible portion in a tubular form, with described
One, the second electric wire portion connects and directly engages, and fuses when heated, and described flux portion inserts
In the center in described fusible portion,
Described fusing resistor also includes forming part, and it seals described integratedly by embedded injection molding manner
Resistive element, fusing lead-in wire and lead-in wire, thus prevent described fusible portion from aoxidizing, improve connecing of fusing lead-in wire
Close the mechanical bonding force at position, and protect from external impact.
Fusing resistor the most according to claim 1, it is characterised in that
Described resistive element is to be provided with the wire resistor of coiled electrical conductor on the ceramic rod of pair of terminal at two ends
Body,
The surface of described ceramic rod and wire coats silicones to form coating.
Fusing resistor the most according to claim 1, it is characterised in that
Described resistive element is to be provided with the wire resistor of coiled electrical conductor on the ceramic rod of pair of terminal at two ends
Body,
Between the pair of terminal formed space fill silicones to form packed layer, described packed layer
Thickness identical with the thickness of described terminal.
4. the manufacture method of a fusing resistor, it is characterised in that comprise the following steps:
Engage the first electric wire portion, thermal cut-off and the second electric wire portion, thus form fusing lead-in wire；
The first electric wire portion of described fusing lead-in wire is engaged in one end of resistive element, and at other end bonding wire；
The resistive element being bonded to described fusing lead-in wire and lead-in wire is laid in a mold, and to described mould
Resin by injection to form forming part,
Described thermal cut-off is made up of fusible portion and flux portion, described fusible portion in a tubular form, with described
One, the second electric wire portion connects and directly engages, and fuses when heated, and described flux portion inserts
In the center in described fusible portion,
Described forming part seals resistive element, fusing lead-in wire and lead-in wire integratedly by embedded injection molding manner,
Thus prevent described fusible portion from aoxidizing, the mechanical bonding force of the junction of raising fusing lead-in wire, and from
External impact is protected.
The manufacture method of fusing resistor the most according to claim 4, it is characterised in that
Described fusible portion is engaged with described by any one method in welding, spot welding or ultrasonic bonding
First, second electric wire portion.
The manufacture method of fusing resistor the most according to claim 4, it is characterised in that
Described resistive element is to be provided with the wire resistor of coiled electrical conductor on the ceramic rod of pair of terminal at two ends
Body,
Further include at the surface-coated silicones of described ceramic rod and wire to form the step of coating
Suddenly.
The manufacture method of fusing resistor the most according to claim 4, it is characterised in that
Described resistive element is to be provided with the wire resistor of coiled electrical conductor on the ceramic rod of pair of terminal at two ends
Body,
Silicones is filled, to form thickness extremely in the space farther including to be formed between the pair of terminal
The step of few packed layer identical with the thickness of described terminal.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2015-0041435 | 2015-03-25 | ||
| KR20150041435 | 2015-03-25 | ||
| KR10-2015-0043186 | 2015-03-27 | ||
| KR1020150043186A KR101728032B1 (en) | 2015-03-27 | 2015-03-27 | the metal wire for the fuse resistor and surface treatment method of metal wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106024548A true CN106024548A (en) | 2016-10-12 |
Family
ID=57082934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610118600.7A Pending CN106024548A (en) | 2015-03-25 | 2016-03-02 | Fuse resistor and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106024548A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111128493A (en) * | 2018-10-30 | 2020-05-08 | 斯玛特电子公司 | Fuse resistor assembly and method of making same |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6030020A (en) * | 1983-07-29 | 1985-02-15 | タルチン株式会社 | Temperature fuse |
| JPS62142807A (en) * | 1985-10-30 | 1987-06-26 | ロ−ルス−ロイス、パブリツク、リミテツド、カンパニ− | Sealing member sealing two or more of constituent |
| JPS62142807U (en) * | 1986-03-04 | 1987-09-09 | ||
| US5241445A (en) * | 1989-04-24 | 1993-08-31 | Matsushita Electric Industrial Co., Ltd. | Electronic part having safeguard function |
| JP2000058301A (en) * | 1998-08-06 | 2000-02-25 | Matsushita Electric Ind Co Ltd | Resistor and method of producing the same |
| CN102414770A (en) * | 2009-04-21 | 2012-04-11 | 斯玛特电子公司 | Thermal fuse resistor, manufacturing method thereof, and installation method thereof |
| CN203573925U (en) * | 2013-10-31 | 2014-04-30 | 厦门赛尔特电子有限公司 | Temperature fuse |
| CN104246920A (en) * | 2012-12-21 | 2014-12-24 | 斯玛特电子公司 | Fuse resistor and manufacturing method thereof |
| CN204117726U (en) * | 2014-09-18 | 2015-01-21 | 肖贻军 | Two-in-one overheat protector type coiling fuse-resistor |
-
2016
- 2016-03-02 CN CN201610118600.7A patent/CN106024548A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6030020A (en) * | 1983-07-29 | 1985-02-15 | タルチン株式会社 | Temperature fuse |
| JPS62142807A (en) * | 1985-10-30 | 1987-06-26 | ロ−ルス−ロイス、パブリツク、リミテツド、カンパニ− | Sealing member sealing two or more of constituent |
| JPS62142807U (en) * | 1986-03-04 | 1987-09-09 | ||
| US5241445A (en) * | 1989-04-24 | 1993-08-31 | Matsushita Electric Industrial Co., Ltd. | Electronic part having safeguard function |
| JP2000058301A (en) * | 1998-08-06 | 2000-02-25 | Matsushita Electric Ind Co Ltd | Resistor and method of producing the same |
| CN102414770A (en) * | 2009-04-21 | 2012-04-11 | 斯玛特电子公司 | Thermal fuse resistor, manufacturing method thereof, and installation method thereof |
| CN104246920A (en) * | 2012-12-21 | 2014-12-24 | 斯玛特电子公司 | Fuse resistor and manufacturing method thereof |
| CN203573925U (en) * | 2013-10-31 | 2014-04-30 | 厦门赛尔特电子有限公司 | Temperature fuse |
| CN204117726U (en) * | 2014-09-18 | 2015-01-21 | 肖贻军 | Two-in-one overheat protector type coiling fuse-resistor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111128493A (en) * | 2018-10-30 | 2020-05-08 | 斯玛特电子公司 | Fuse resistor assembly and method of making same |
| CN111128493B (en) * | 2018-10-30 | 2022-07-29 | 斯玛特电子公司 | Fuse resistor assembly and method of making same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8400253B2 (en) | Thermal fuse resistor, manufacturing method thereof, and installation method thereof | |
| US8400252B2 (en) | Thermal fuse resistor | |
| JP6177945B2 (en) | Fuse resistor and manufacturing method thereof | |
| EP3553481B1 (en) | Temperature sensor, sensor element, and method for manufacturing temperature sensor | |
| US20180047539A1 (en) | Fuse resistor and method of manufacturing the same | |
| JP5932139B2 (en) | Fuse resistor and manufacturing method thereof | |
| CN106024548A (en) | Fuse resistor and manufacturing method thereof | |
| TWI718757B (en) | Transient voltage suppression device with thermal cutoff | |
| TWI701694B (en) | Fuse resistor assembly and method of manufacturing the same | |
| JPH012238A (en) | electrical fuse | |
| CN107871573B (en) | Fuse resistor and method for manufacturing the same | |
| JP6352350B2 (en) | Fuse resistor and manufacturing method thereof | |
| TWI600042B (en) | Fuse resistor and method of manufacturing the same | |
| KR20160137818A (en) | Fuse resistor and manufacturing method thereof | |
| KR200481937Y1 (en) | Fuse resistor | |
| JP7456335B2 (en) | Cable with sensor | |
| CN105702399A (en) | Fuse resistor and manufacturing method thereof | |
| TW201624503A (en) | Fuse resistor and manufacturing method thereof | |
| KR101237609B1 (en) | Small size fuse and manufacturing method thereof | |
| CN104716547B (en) | Wire component and its manufacture method | |
| CN105702394A (en) | Fuse resistor and manufacturing method thereof | |
| JP2016139570A (en) | Power fuse | |
| JPH1154006A (en) | Thermal fuse cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161012 |