CN106024549B - A kind of current protector and manufacturing method - Google Patents
A kind of current protector and manufacturing method Download PDFInfo
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- CN106024549B CN106024549B CN201610551454.7A CN201610551454A CN106024549B CN 106024549 B CN106024549 B CN 106024549B CN 201610551454 A CN201610551454 A CN 201610551454A CN 106024549 B CN106024549 B CN 106024549B
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- shell
- slot
- metal bath
- substrate
- wire casing
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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
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/165—Casings
- H01H85/175—Casings characterised by the casing shape or form
-
- 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
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/143—Electrical contacts; Fastening fusible members to such contacts
-
- 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
- H01H85/05—Component parts thereof
- H01H85/18—Casing fillings, e.g. powder
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Fuses (AREA)
Abstract
The present invention discloses a kind of current protector and manufacturing method.The insulation shell of the current protector includes two shells mutually to fit；Each shell includes internal layer plate body and outer layer plate body；Side is equipped with central channel and end slot in each inner plating body；The accommodating chamber of receiving metal bath is collectively formed in the central channel of described two internal layer plate bodys, and welding chamber is collectively formed in the end slot of described two internal layer plate bodys；Described two end caps wrap up the both ends of described two internal layer plate bodys and the both ends of two outer layer plate bodys respectively.The structure of lamina rara externa body and internal layer plate body such as fluting can be separately formed in the present invention, be independent of each other, so that the procedure calls of cross-notching etc. reduce, advantageously reduce production cost, and can be using the other materials production for being different from ceramics or glass ceramic material.The insulation shell presses to be formed using four laminate bodies simultaneously, and the processing technology compared with ceramic tube is more suitable for manufacturing the protector of smaller volume.
Description
Technical field
The present invention relates to a kind of current protector and its manufacturing methods.
Background technique
The prior art 1 frequently with current protector structure such as United States Patent (USP) US4445106, including open at both ends
Tubular dielectric shell, the metal bath being housed in insulation shell and the end cap for being mounted on insulation shell both ends；The end cap at both ends
Connect metal bath.It often using ceramics or glass ceramic material is in the prior art the insulation tube of matrix as protector insulation shell
Body has many excellent performances, such as high breaking capacity, high I2T and Surge handling capability, low cold resistance value etc..This structure
Protector manufacturing process, which is typically employed in the end cap of both ends, is placed in advance in scolding tin, and one end end cap is inserted in insulation tube, and insulation tube is another
Upward, the metal bath freely falling body after cutting enters in insulation tube end opening, will be cased with this heating one end, the pressing of end cap,
Metal bath and end cap formed it is firm be electrically connected, then the other end is put on into end cap, heating, pressing form that both ends are firm to be electrically connected
It connects.
In order to improve the breaking capacity of protector, and the ability of raising protector quick fuse, a kind of good method
It is to reduce I2T value usually replaces the structure of wrapping wire with a straight wire to reach and reduce I2The effect of t value, but assembling
When the cut-off freely falling body of a straight wire metal melt is entered in insulation tube in journey, there is very big probability to fall on close to absolutely
The position of edge inside pipe wall, after the heating pressing of both ends end cap, metal bath generates slight deformation, and then close in insulation tube
Wall, as shown in figure 15.In this case, when abnormal high current generates in circuit, metal bath temperature rises, due to close to
Insulation tube radiates excessively good, can not gather heat, causes protector that cannot disconnect the effect for playing cutting circuit rapidly.
Such as Chinese patent 200810092353.3 of the prior art 2, providing one kind can vacantly set straight metal bath
The structure in the cavity in insulation tube is set, insulation tube uses the structure of upper and lower two halves fitting, metal bath both ends and insulation tube
Outer wall is concordant, and is electrically connected with the termination electrode formation for being coated in insulation pipe outer wall.The metal bath and external electrode of this structure are only
There is a point contact, loose or dislocation is easy between external electrode and fuse, affects the fusing performance and interrupting performance of fuse.Separately
Outside since insulation tube is by the way of the fitting of upper and lower two halves, connection is more fragile, in the explosion punching generate when disjunction test
Power effect lower casing is hit to be easy to split.
Summary of the invention
Goal of the invention: to solve the problems, such as that above-mentioned current protector breaking capacity is difficult to be promoted, the invention discloses one kind
Current protector has structural stability strong, and is easily achieved quick large batch of production, and to product size adaptability
It is strong a little.
Technical solution: in order to achieve the above objectives, following technical solution can be used in the present invention:
A kind of current protector, including insulation shell, positioned at insulation shell both ends end cap, be contained in insulation shell
Metal bath；The both ends of metal bath are separately connected the end cap at both ends, and the insulation shell includes two shells mutually to fit；
Each shell includes internal layer plate body and the outer layer plate body for being fitted in the external side of inner plating；
Described two end caps wrap up the both ends of described two internal layer plate bodys and the both ends of two outer layer plate bodys respectively；
Side is equipped with central channel and the end slot positioned at central channel at least one end in each inner plating body；Described two internal layers
Accommodating chamber is collectively formed in the central channel of plate body, and welding chamber is collectively formed in the end slot of described two internal layer plate bodys；
The inward at both ends of the outer surface of each outer layer plate body is recessed to form mounting surface；Described two end caps are wrapped up respectively
The both ends of described two outer layer plate bodys, and the installation with described two outer layer plate bodys in the same end respectively of the upper and lower sides of each end cap
Face paste is closed.
The utility model has the advantages that compared with the existing technology, the manufacturing method of the current protector is distinguished by outer substrate and interior substrate
The inside structure of monomer shell and the outboard structure of monomer shell are manufactured, cutting is carried out after fitting again and forms monomer shell, wherein
Interior outboard structure can be separately formed such as fluting, be independent of each other, so that the procedure calls of cross-notching etc. reduce, advantageously reduced life
Cost is produced, and can be using the other materials production for being different from ceramics or glass ceramic material.In addition, the insulation shell uses
Four laminate bodies (plate body that the plate body and two internal substrates that two outermost layer substrates are cut into are cut into) pressing is formed, compared with ceramic tube
Processing technology is more suitable for manufacturing the protector of smaller volume.
Further, the welding chamber is the shape from insulation shell end to center position internal diameter gradually constriction.
Further, the welding chamber is the sphere no more than half.
Further, the welding chamber is cone.
The utility model has the advantages that compared with the existing technology, the structure for the shell that insulate is changed to two shells and pasted by above-mentioned technical proposal
It closes and constitutes, hemisphere, cone, round estrade, pyramid or prismoid uniform internal diameter size are set gradually in one end of insulation shell
The welding chamber of constriction, the other end for the shell that insulate are open tubular form, replace the prior art using such insulation shell
In porcelain tube or glass tube, metal bath cutting freely fall into insulation shell in when, from have welding chamber one end fall into, pass through
The guidance of chamber and the fixation of positioning chamber are welded, can guarantee that melt falls on the place in insulation tube close to center line, relative to existing
Technology 1 greatly reduces probability of the melt close to inner wall, setting of the linear metal bath setting relative to Wound-rotor type, drop
Low I2T value keeps protector fusing rapider, and interrupting performance is enhanced about more than once.In addition, being provided with the structure of end slot, reduce
Persistence drag arc in disjunction test between two end caps, and bear impact of a part of blast pressure to end cap, thus improve
The breaking capacity of entire protector.Compared with the existing technology 2, the structure of two end electrodes is changed to end cap configuration, is firmly fixed
Two pieces of shells up and down are lived.
Further, each internal layer plate body is equipped with central channel and the end slot positioned at central channel both ends；In described two
The first welding chamber is collectively formed in the end slot of laminate body one end, and the second welding is collectively formed in the end slot of two internal layer plate body other ends
Chamber；Side is additionally provided with locating slot in each inner plating body, which is connected to central channel and end slot；Described two internal layer plate bodys
The first positioning chamber is collectively formed in the locating slot of one end, and the second positioning is collectively formed in the locating slot of the other end of two internal layer plate bodys
Chamber；One end of the metal bath passes through the first positioning chamber to the first welding chamber from accommodating chamber, and the other end of metal bath is received certainly
Cavity passes through the second positioning chamber to the second welding chamber.Each internal layer plate body is equipped with central channel and the end positioned at central channel one end
Slot；Side is additionally provided with locating slot in each inner plating body, which is connected to central channel and end slot；Described two internal layer plate bodys
Locating slot positioning chamber is collectively formed；One end of the metal bath passes through positioning chamber to welding chamber, the metal from accommodating chamber
The other end of melt is vacantly arranged in accommodating chamber.
It is constituted the utility model has the advantages that the structure for the shell that insulate is changed to two shell fittings by above-mentioned technical proposal, and each shell
Body is made of outer layer plate body and internal layer plate body two parts, and wherein the structure of outer layer plate body and internal layer plate body such as fluting can separate
It is made, is independent of each other, so that the procedure calls of cross-notching etc. reduce, advantageously reduce production cost, and can use different
In the production of the other materials of ceramics or glass ceramic material.Meanwhile the end slot be made in advance, after merging formation first,
Second welding chamber, and it is independent with central channel, convenient for the filling scolding tin welding directly in welding chamber, either with metal bath
Welding and more convenient and independent with the welding of end cap, be conducive to improve packaging efficiency and improve welding yield.This is absolutely
Edge shell is formed using four laminate bodies (two outer layer plate bodys and two internal layer plate bodys) pressing, and the processing technology compared with ceramic tube is more suitable for
Manufacture the protector of smaller volume.
Further, one layer of arc quenching material is covered on filling arc quenching material or center rooved face in central channel.
The utility model has the advantages that the present invention uses the structure of upper and lower two shells fitting, more compared with insulation shell in the prior art
It is easy that arc quenching material is arranged in central channel, reaches better arc quenching effect
In order to achieve the above objectives, following technical solution also can be used in the present invention:
A kind of current protector, including insulation shell, positioned at insulation shell both ends end cap, be contained in insulation shell
Metal bath；The both ends of metal bath are separately connected the end cap at both ends, and the insulation shell includes two shells mutually to fit；
The equal inside of each shell is equipped with central channel and the end slot positioned at central channel both ends, and the central channel is connected to two end slots；
The accommodating chamber of receiving metal bath, the common shape of end slot of described two shell one end is collectively formed in the central channel of described two shells
At the first welding chamber, and the second welding chamber is collectively formed in the end slot of two shell other ends；The outer surface of each shell
Inward at both ends is recessed to form mounting surface；Described two end caps wrap up the both ends of described two shells respectively, and each end cap is upper
Mounting surface of the downside respectively with described two shells in the same end is bonded.
Compared with the existing technology, the structure for the shell that insulate is changed to two shell fitting compositions by above-mentioned technical proposal,
In the end slot of each shell be to be made in advance, form first, second after merging and weld chamber, and it is independent with central channel, be convenient for
The filling scolding tin welding directly in welding chamber, it is either more convenient and only with the welding of metal bath and with the welding of end cap
It is vertical, be conducive to improve packaging efficiency and improve welding yield.The outer surface of shell has the mounting surface of recess, Neng Gou simultaneously
Guiding function is formed when end cap installation, facilitates installation, and reduce the difference in height of end cap and the shell that insulate in outer surface, makes
Entire current protector sides several in appearance are in plane, conducive to welding on circuit boards.In addition insulation shell increases
It is thick to bear the most middle section insulation tube shell wall of explosive forces, that is, increases antiknock ability.
Further, welding chamber is the shape from insulation shell end to center position internal diameter gradually constriction.
Further, center rooved face is provided with arc quenching material.
Meanwhile to solve the above problems, following skill can be used the present invention also provides a kind of manufacturing method of current protector
Art scheme:
A kind of manufacturing method of current protector,
Outer substrate and interior substrate are provided；The outer surface of its China and foreign countries' substrate is equipped with flat slot arranged in parallel, and two neighboring
The distance between flat slot is equal, and protrusion is formed between two flat slots；The inner surface of interior substrate is equipped with horizontally-parallel row
The wire casing of column, and the distance between two neighboring wire casing is equal；Be additionally provided on interior substrate several transverse directions embark on journey and it is longitudinal in column
The hole slot of arrangement, several hole slots are transversely arranged along each wire casing, and the adjacent hole slot arranged on the same wire casing it
Between distance be equal, several internal bore grooves are equipped on along wire casing, each internal bore groove is located among two adjacent hole slots；Wherein
If protrusion is an interior unit in interior substrate, and sets in outer substrate that a column internal bore groove is an outer unit, by interior substrate
Outer surface is bonded with the inner surface of outer substrate and makes an interior unit is corresponding with an outer unit to be bonded, and make internal bore groove be located at pair
The middle position for the protrusion width range answered；Inside and outside substrate after fitting transversely and is cut longitudinally to form the shell of monomer；
The cutting line wherein cut along longitudinal direction is longitudinal center's wire cutting along each flat slot；And the cutting line transversely cut is
Along the lateral symmetry middle wire cutting of two adjacent alignment bores slots of longitudinal arrangement；Metal bath is provided, it will by the positioning of wire casing
Metal bath is contained in wire casing and internal bore groove；Two shells are mutually fitted and form insulation shell；Left end cap, right end are provided
Cap；Left end cap and right end cap are fastened in the both ends of insulation shell respectively, and the both ends of metal bath are welded with left and right end cap respectively
It connects.
The utility model has the advantages that compared with the existing technology, the manufacturing method of the current protector is distinguished by outer substrate and interior substrate
The inside structure of monomer shell and the outboard structure of monomer shell are manufactured, cutting is carried out after fitting again and forms monomer shell, wherein
Interior outboard structure can be separately formed such as fluting, be independent of each other, so that the procedure calls of cross-notching etc. reduce, advantageously reduced life
Cost is produced, and can be using the other materials production for being different from ceramics or glass ceramic material.In addition, the insulation shell uses
Four laminate bodies (plate body that the plate body and two internal substrates that two outermost layer substrates are cut into are cut into) pressing is formed, compared with ceramic tube
Processing technology is more suitable for manufacturing the protector of smaller volume.
Meanwhile to solve the above problems, following technical scheme also can be used in the manufacturing method of current protector:
And following technical scheme can be used in the manufacturing method of above-mentioned current protector:
A kind of manufacturing method of current protector,
Outer substrate and interior substrate are provided；The outer surface of its China and foreign countries' substrate is equipped with flat slot arranged in parallel, and two neighboring
The distance between flat slot is equal, and protrusion is formed between two flat slots；The inner surface of interior substrate is equipped with horizontally-parallel row
The wire casing of column, and the distance between two neighboring wire casing is equal；Be additionally provided on interior substrate several transverse directions embark on journey and it is longitudinal in column
The hole slot of arrangement, several hole slots are transversely arranged along each wire casing, and the adjacent hole slot arranged on the same wire casing it
Between distance be equal, several internal bore grooves are equipped on along wire casing, each internal bore groove is located among two adjacent hole slots；It will be interior
The outer surface of substrate transversely and is cut longitudinally to form the shell of monomer after being bonded with the inner surface of outer substrate；Wherein cutting is formed
Each shell structure it is all the same, the inside of each shell has central channel and an end slot positioned at central channel both ends, it is described in
Heart slot is connected to two end slots；The end slot is to cut the hole slot to be formed；The both ends of the outer surface of each shell are
For flat slot；Metal bath is provided, metal bath is contained in wire casing and internal bore groove by the positioning of wire casing；By two shells
It mutually fits and forms insulation shell；Left end cap, right end cap are provided；Left end cap and right end cap are fastened in the two of insulation shell respectively
End, and the both ends of metal bath are welded with left and right end cap respectively.
The utility model has the advantages that compared with the existing technology, the manufacturing method of the current protector is distinguished by outer substrate and interior substrate
The inside structure of monomer shell and the outboard structure of monomer shell are manufactured, cutting is carried out after fitting again and forms monomer shell, wherein
Interior outboard structure can be separately formed such as fluting, be independent of each other, so that the procedure calls of cross-notching etc. reduce, advantageously reduced life
Cost is produced, and can be using the other materials production for being different from ceramics or glass ceramic material.In addition, the insulation shell uses
Four laminate bodies (plate body that the plate body and two internal substrates that two outermost layer substrates are cut into are cut into) pressing is formed, compared with ceramic tube
Processing technology is more suitable for manufacturing the protector of smaller volume.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of current protector of the present invention；
Fig. 2 is the structural schematic diagram under two inner platings consideration conjunction state in current protector of the present invention；
Fig. 3 is single internal layer plate body schematic diagram in current protector of the present invention, and displaying is the inner surface of internal layer plate body；
Fig. 4 is the structural schematic diagram that two inner platings show consideration under conjunction state in second embodiment of the invention；
Fig. 5 is the schematic diagram of interior substrate used in the manufacturing method of present invention manufacture current protector, and illustrates
State on interior substrate after groove slot；
Fig. 6 is that interior substrate further carves the schematic diagram after hole slot in Fig. 5；
Fig. 7 is the schematic diagram that interior substrate further carves internal bore groove in Fig. 6；
Fig. 8 is single outer layer plate body schematic diagram in current protector of the present invention, and displaying is the outer surface of outer layer plate body；
Fig. 9 is the side view of outer layer plate body shown in Fig. 8；
Figure 10 is that interior unit is corresponding with an outer unit be bonded after side schematic view；
Figure 11 is the structural schematic diagram of two shells fitting in embodiment six；
Figure 12 is another structural schematic diagram of two shells fitting in embodiment six；
Figure 13 is the schematic diagram of substrate cutting in embodiment six；
Figure 14 is that unit is corresponding with each outer unit in embodiment six is each be bonded after side schematic view；
Figure 15 is the diagrammatic cross-section of current protector in the prior art.
1- insulate shell, 11- shell, 12- internal layer plate body, 13- outer layer plate body, 131- mounting surface, 2- metal bath, outside 3-
Substrate, substrate in 4-, 5- scolding tin, 14- central channel, 15- end slot, 16- accommodating chamber, 17- first weld chamber, and 18- second welds chamber,
19- locating slot, the first positioning chamber of 191-, the second positioning chamber of 192-, the left end 21- cap, 22- right end cap, the flat slot of 31-, 32- are convex
Portion, 41- wire casing, 42- hole slot, 43- internal bore groove, virtual transverse cut-A, virtual longitudinally cutting line-B, interior unit-D, outer list
Member-E.
Specific embodiment
In order to clarify the technical solutions and technical objectives of the present invention, with reference to the accompanying drawings and detailed description, to this hair
It is bright to be described further.
Embodiment one:
Fig. 1 is the longitudinal sectional drawing of current protector of the present invention, which includes insulation shell 1, position
In insulation 1 both ends of shell end cap, be contained in insulation shell 1 in metal bath 2；The both ends of metal bath 2 are separately connected two
The end cap at end.For ease of description, the end cap for being located at insulation 1 both ends of shell is divided into left end cap 21 and right end cap 22.
The insulation shell 1 includes two shells 11 mutually to fit；Each shell 11 includes internal layer plate body 12 and patch
Close the outer layer plate body 13 in 12 outside of inner plating body；
As shown in Figure 2 and Figure 3, central channel 14 is equipped on the inside of each internal layer plate body 12 and positioned at 14 both ends of central channel
End slot 15；The accommodating chamber 16 of receiving metal bath 2 is collectively formed in the central channel 14 of described two internal layer plate bodys 12, described two interior
The first welding chamber 17 is collectively formed in the end slot of 12 one end of laminate body, and the end slot of two internal layer plate body other ends is collectively formed second
Weld chamber 18；
The left end cap 21 and right end cap 22 wrap up respectively described two internal layer plate bodys 12 both ends and two outer layer plate bodys
13 both ends.
Wherein, the inner surface of the first welding chamber 17 and the second welding chamber 18 is the spherical surface no more than half.
The design of spherical surface can make the spherical surface inner surface convenient for further processing, in the present embodiment, the first welding chamber 17 and the
Layers of copper is covered on the inner surface of two welding chambers 18, and covers tin layers in layers of copper.To fill scolding tin in the first, second welding chamber
5 generate preferable welding effect when being welded.
The locating slot 19 for positioning metal melt 2 is additionally provided on the inside of each internal layer plate body 12, which connects
Logical central channel 14 and end slot 15；The locating slot 19 of described two 12 one end of internal layer plate body is collectively formed the first positioning chamber 191, and two
The second positioning chamber 192 is collectively formed in the locating slot of the other end of a internal layer plate body, and the diameter of shown positioning chamber 191,192 is set as
It is consistent or bigger with 2 diameter of metal bath, it is used for positioning and clamping metal bath 2；One end of the metal bath 2 accommodates certainly
Chamber 16 passes through the first positioning chamber 191 to the first and welds chamber 17, and the other end of metal bath 2 passes through the second positioning chamber from accommodating chamber 16
192 to the second welding chambers 18.
It can be filled in the central channel 14 of the internal layer plate body 12 and cover one layer of arc extinguishing on 14 surface of arc quenching material or central channel
Material.
And there are further improvement, the inward at both ends of the outer surface of each outer layer plate body 13 for the structure of outer layer plate body 13
Recess forms mounting surface 131；The left end cap 21 and right end cap 22 wrap up the both ends of described two outer layer plate bodys 13 respectively, and left
Mounting surface 131 of the upper and lower sides of end cap 21 and right end cap 22 respectively with described two outer layer plate bodys 13 in the same end is bonded and can lead to
It crosses welding manner and mounting surface 131 is fixed.Likewise, layers of copper can also be covered on each mounting surface to improve welding effect, install
Tin layers are also covered in the layers of copper in face.
The structure for the shell 1 that insulate is changed to two fittings of shell 11 and constituted by the technical solution of the embodiment one, and each
Shell 11 is made of outer layer plate body 13 and 12 two parts of internal layer plate body, and wherein the structure of outer layer plate body 13 and internal layer plate body 12 can
To be separately formed, it is independent of each other；Locating slot 19, end slot are opened up as the fluting of outer layer plate body 13 is made on mounting surface and internal layer plate body 12
15, central channel 14 can be prepared separately, so that the procedure calls of cross-notching etc. reduce, advantageously reduce production cost, and can
Using the other materials production for being different from ceramics or glass ceramic material.Shell 11 in the present embodiment can be used cost compared with
Low high molecular material or bakelite plate material etc..Meanwhile the end slot 15 is to be made in advance, and first, second is formed after merging
Weld chamber, and it is independent with central channel 14, convenient for the filling scolding tin welding directly in welding chamber, either with metal bath
It welds and more convenient and independent with the welding of end cap, be conducive to improve packaging efficiency and improve welding yield.The insulation
Shell is formed using four laminate bodies (two outer layer plate bodys and two internal layer plate bodys) pressing, and the processing technology compared with ceramic tube is more suitable for making
Make the protector of smaller volume.Outer layer plate body 13 is set and mounting surface 131 is set on lamina rara externa body 13, is advantageous in that reduction
The difference in height of end cap 21 and 22 and insulation shell 1 makes several sides of entire current protector length in appearance in plane, benefit
In welding on circuit boards.
Embodiment two:
As shown in figure 4, the current protector structure base of the structure of the current protector in the embodiment two and embodiment one
This is identical, and the difference is that the first welding chamber 17 ' and the second welding chamber 18 ' in being infundibulate.Meanwhile first welds
Connect chamber 17 ' and second welding chamber 18 ' other in the art common shape can equivalent replacement, details are not described herein.
Embodiment three:
Current protector structure in embodiment three in the structure with embodiment one of current protector is essentially identical, and different
It is integrally formed that place is that the shell can be one, rather than is collectively formed by internal layer plate body and outer layer plate body.Relatively
In embodiment one, this integrally formed structure no longer has can be excellent come what is processed by internal layer plate body and outer layer plate body point
Point, but also there is interior outboard structure can be separately formed such as fluting, it is independent of each other, so that the procedure calls of cross-notching etc. reduce,
Advantageously reduce the beneficial effect of production cost.Likewise, in the embodiment three first, second welding chamber also can choose for
Infundibulate, details are not described herein.
Example IV:
Incorporated by reference to shown in Fig. 5 to Figure 10, the present embodiment is a kind of manufacturing method of current protector, and wherein A is virtual horizontal
To cutting line, B is virtual longitudinally cutting line.
Outer substrate 3 and interior substrate 4 are provided；
Such as Fig. 8 and Fig. 9, the outer surface of China and foreign countries' substrate 3 is equipped with flat slot 31 arranged in parallel, and two neighboring flat slot
The distance between 31 are equal, and protrusion 32 is formed between two flat slots 31.31 outer surface of flat slot of outer substrate first covers
Layers of copper, then tin layers are covered in layers of copper, the mounting surface 131 for the single housing that flat slot 31 is formed after cutting line B is cut along longitudinal direction
In have layers of copper and a tin layers.
As shown in figure 5, the inner surface of interior substrate 4 be equipped with horizontally-parallel arrangement wire casing 41, and two neighboring wire casing 41 it
Between distance be equal.
In Fig. 8, Fig. 9, wherein virtual longitudinally cutting line B is the longitudinal centre line of each flat slot 31, it is located at two in this way
A flat slot 31 between a adjacent projection 32 is bisected into two parts, is separately connected a protrusion, can see in Figure 10
Out, two parts that flat slot 31 branches away become mounting surface 131.Virtual transverse cut A is upper and lower two adjacent in Fig. 7
The symmetrical middle line of internal bore groove 43 is completely individually cut into each internal bore groove 43 and can guarantee the width of each shell 11
Spend all the same, the A in virtual transverse cut A and Fig. 7 in Fig. 8 is correspondingly arranged.Virtual longitudinally cutting line B is longitudinal in Fig. 7
The longitudinal centre line of one column hole slot 42, the B in virtual longitudinally cutting line B and Fig. 7 in Fig. 8 are correspondingly arranged.
As shown in figure 8, substrate 3 outside a monolith is divided into multiple outer unit E by transverse cut A and longitudinally cutting line B, such as
Shown in Fig. 7, substrate 4 in a monolith is divided into multiple interior cells Ds by transverse cut A and longitudinally cutting line B, by interior substrate 4
Outer surface is bonded with the inner surface of outer substrate 3 and makes an interior cells D is corresponding with a position outer unit E to be bonded, and makes inner hole
The centroid point of slot 43 is corresponding with the middle position of 32 width range of protrusion；Inside and outside substrate after fitting is transversely and vertical
It is cut to cutting line, forms shell 11 single shown in Figure 10.
The structure in Fig. 1 is seen, metal bath 2 is provided, metal bath 2 is contained in by wire casing by the positioning of wire casing 41
41 and internal bore groove 43 in.In the present embodiment, it can choose and several shells 11 be put into transversely arranged in welding plate and are made each
One root long metal bath is horizontally arranged in the line of each shell along arranged in a straight line by the wire casing 41 of shell 11 along several shells 11
In slot 41, metal bath 2 is fixed in wire casing by modes such as gluings, another side is pressed into the good shell of same position array arrangement
11 welding plate is bonded with the above-mentioned welding plate for having bonded metal bath, then by chopping mode by long metal bath be cut into each
The metal bath 2 of the individual of shell cooperation.It can be improved the efficiency of metal bath and shell assembling in this way, that is, complete insulation shell
1 with the assembling of metal bath 2.
The step of metal bath 2 can also will be provided in the present embodiment, is arranged after interior substrate 4 is bonded with outer substrate 3, horizontal
To with it is longitudinally cutting before.Before not cutting also, long metal bath 2 is arranged on interior substrate 4 along wire casing 41, passes through line
Metal bath 2 is contained in wire casing 41 and internal bore groove 43 by the positioning of slot 41, is fixed on metal bath 2 by modes such as gluings
In wire casing, and then it is divided into the shell for setting metal bath 2 11 by horizontal and vertical, then be not provided with gold with one
The shell 11 for belonging to melt 2 bonds, and can also complete the assembling of insulation shell 1 and metal bath 2.
Left end cap 21, right end cap 22 are provided；Left end cap 21 and right end cap 22 are fastened in the both ends of insulation shell 1 respectively, and
It is welded respectively with left and right end cap at the both ends of metal bath 2.Current protector has been made.
The manufacturing method of current protector manufactures monomer shell by outer substrate and interior substrate respectively in the example IV
The outboard structure of inside structure and monomer shell carries out cutting again and forms monomer shell after fitting, wherein interior outboard structure is such as opened
Slot can be separately formed, and be independent of each other, so that the procedure calls of cross-notching etc. reduce, advantageously reduce production cost, and can
Using the other materials production for being different from ceramics or glass ceramic material.In addition, the insulation shell is using four laminate bodies (outside two
The plate body that the plate body and two internal substrates that laminar substrate is cut into are cut into) pressing formation, it is more suitable compared with the processing technology of ceramic tube
Close the protector of manufacture smaller volume.
Embodiment five
The present embodiment five is similarly a kind of manufacturing method of current protector.
Please in conjunction with shown in Fig. 5 to Figure 10, this method includes:
Outer substrate 3 and interior substrate 4 are provided；
Such as Fig. 8 and Fig. 9, the outer surface of China and foreign countries' substrate 3 is equipped with flat slot 31 arranged in parallel, and two neighboring flat slot
The distance between 31 are equal, and protrusion 32 is formed between two flat slots 31.31 outer surface of flat slot of outer substrate first covers
Layers of copper, then tin layers are covered in layers of copper, have in the mounting surface for the single housing that flat slot 31 below is formed after cutting
Layers of copper and tin layers.
As shown in figure 5, the inner surface of interior substrate 4 be equipped with horizontally-parallel arrangement wire casing 41, and two neighboring wire casing 41 it
Between distance be equal.
It embarks on journey and the hole slot 42 of longitudinal arrayed in columns as shown in fig. 6, being additionally provided with several transverse directions on interior substrate, the several holes
Slot 42 is transversely arranged along each wire casing 41, and the distance between the adjacent hole slot 42 arranged on the same wire casing 41 is homogeneous
Deng.
As shown in fig. 7, being equipped with several internal bore grooves 43 on along wire casing 41, each internal bore groove 43 is located at two adjacent hole slots
Among 42.
Wherein, the wire casing 41, hole slot 42, cutting sequencing can be changed between internal bore groove 43, be capable of forming
Final interior board structure.In the present embodiment, first groove slot 41, then using wire casing 41 as quarter hole slot 42 and internal bore groove 43
Benchmark, be conducive to simplify and process and improve precision.
Here, the inner surface of the hole slot 42 of internal substrate first covers layers of copper, then tin layers are covered in layers of copper.Following hole slot
Have layers of copper and tin layers in the end slot of the single housing formed after 42 cuttings.It can also be filled out in internal bore groove 43 in the present embodiment
Arc quenching material is filled, or covers one layer of arc quenching material on 43 surface of internal bore groove.
Such as Figure 10, transversely cutting line A and longitudinal direction are cut after the outer surface of interior substrate 4 is bonded with the inner surface of outer substrate 3
Secant B cuts the shell 11 to form monomer.The structure for wherein cutting each shell 11 of formation is all the same, each shell 11 it is interior
Side has central channel 14 and the end slot 15 positioned at 14 both ends of central channel；The end slot 15 is that the hole slot 42 cutting is formed；It is described every
The both ends of the outer surface of a shell 11 are the flat slot 31 in Fig. 9.
Metal bath 2 is provided, metal bath 2 is contained in wire casing 41 and internal bore groove 43 by the positioning of wire casing.Then
In conjunction with the assembling for forming insulation shell 1 and metal bath 2 that shown in Fig. 1, two shells 11 are mutually fitted.
The step of metal bath 2 can also will be provided in the present embodiment, is arranged after interior substrate 4 is bonded with outer substrate 3, laterally
And it is longitudinally cutting before, long metal bath is arranged on interior substrate 4 along wire casing 41, and then is divided by horizontal and vertical
One sets the shell 11 of metal bath 2, then the shell 11 for being not provided with metal bath 2 with one bonds, and can also complete absolutely
The assembling of edge shell 1 and metal bath 2.
Left end cap 21, right end cap 22 are provided；Left end cap 21 and right end cap 22 are fastened in the both ends of insulation shell, and gold respectively
It is welded respectively with left and right end cap at the both ends for belonging to melt.
The technical solution of the embodiment five is roughly the same with example IV, also can be realized as example IV is identical beneficial
Effect.The structure that the technical solution of embodiment five highlights each shell 11 that cutting is formed is all the same, is conducive to extensive life
It produces application and the construction of producing line and production technology can replicate, be conducive to product volume production.
Embodiment six:
Insulation shell includes two shells mutually to fit 11, and shell 11 includes outer layer plate body 13 and internal layer plate body 12,
It is consistent in the setting of middle lamina rara externa body 13 and embodiment one, and the inside of internal layer plate body 12 is as shown in Figure 11 or 12, only in internal layer
End slot 15 is arranged in one end of plate body 12, and the end slot 15 of two internal layer plate bodys 12 collectively constitutes the first welding chamber 17.Internal layer plate body 12
Central channel 14 be communicated to end, the central channel 14 of two internal layer plate bodys 12 forms accommodating chamber 16, one end and end of accommodating chamber 16
Slot connection, the other end are open tube body.It is additionally provided with locating slot 19 on the inside of each internal layer plate body 12, which is connected to center
The first positioning chamber 191, the diameter setting of locating slot 19 is collectively formed in slot 14 and end slot 15, the locating slot 19 of two internal layer plate bodys 12
Diameter than metal bath 2 is bigger.Welding chamber 17 is the shape from insulation shell end to center position internal diameter gradually constriction
Shape, cone shown in the sphere or Figure 12 no more than half as shown in figure 11 etc., cone in the present embodiment
Welding chamber is more advantageous to when assembling metal bath, and metal bath passes through welding chamber 17 and positioning chamber 191, freely falling body enter receipts
A guide function is played in cavity 16, metal fuse is made to fall into the approximate centerline of accommodating chamber 16, rather than is fallen into close to receipts
Region near chamber wall.Unlike above embodiments, such insulation shell is directlyed adopt instead of in the prior art
Porcelain tube or glass tube, other manufacturing steps are consistent compared with technology, and protector can be realized by not needing newly-increased production equipment in this way
Assembling, and can guarantee metal bath 2 fall on insulation shell in close to center line place, greatly reduce melt close to inner wall
Probability, improve the interrupting performance of current protector.
The manufacturing method with example IV of protector housing 11 and five almost the same in the present embodiment, the difference is that outside
The alignment thereof of substrate and interior substrate, as shown in figure 13, on interior substrate 4, simulation transverse cut A is still two phases up and down
The lateral symmetry center line of adjacent internal bore groove 43 simulates longitudinally cutting line B in addition to the longitudinal centre line of a column hole slot 42, further includes one
Interior substrate 4 is divided into multiple by the longitudinal centre line of column internal bore groove 43, virtual transverse cut A and virtual longitudinally cutting line B
Cells D.The setting of outer substrate is consistent with Fig. 8, and outer substrate 3 is divided into multiple outer unit E by A and B.By the outer surface of interior substrate 4
Be bonded with the inner surface of outer substrate 3 and make in each cells D with each the position outer unit E is corresponding is bonded, as shown in figure 14,
Transversely and longitudinally cutting line is cut by the inside and outside substrate after fitting, the shell 11 of monomer is formed.
Arc quenching material can not be filled in the present embodiment in internal bore groove 43, but one layer can be coated on 43 surface of internal bore groove
Arc quenching material.
After the shell 11 for having obtained monomer in the present embodiment, two shells 11 are mutually fitted to form insulation shell 1, instead of
Ceramic tube is put into kludge in the prior art and is assembled, by insulate shell 1 have welding chamber 17 one end upward, metal
Melt 2 enters welding chamber 17 according to freely falling body after setting length cutting, and positioning chamber 191 is passed through under the guidance of welding chamber 17 and is fallen
Enter in accommodating chamber 16, the approximate centerline in accommodating chamber 16, left end cap 21 and right end cap 22 are inserted in shell both ends, pass through heating
Scolding tin in end cap is electrically connected both ends end cap with metal bath formation, that is, completes the manufacture of current protector.
In addition, there are many concrete methods of realizing and approach of the invention, the above is only a preferred embodiment of the present invention.
It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, can also do
Several improvements and modifications out, these modifications and embellishments should also be considered as the scope of protection of the present invention.What is be not known in the present embodiment is each
The available prior art of component part is realized.
Claims (8)
1. a kind of manufacturing method of current protector, it is characterised in that:
Outer substrate and interior substrate are provided；
The outer surface of its China and foreign countries' substrate is equipped with flat slot arranged in parallel, and the distance between two neighboring flat slot is equal,
Protrusion is formed between two flat slots；
The inner surface of interior substrate is equipped with the wire casing of horizontally-parallel arrangement, and the distance between two neighboring wire casing is equal；
It is additionally provided with that several transverse directions are embarked on journey and the hole slot of longitudinal arrayed in columns, several hole slots are horizontal along each wire casing on interior substrate
To arrangement, and the distance between the adjacent hole slot arranged on the same wire casing is equal, and is equipped in several on along wire casing
Hole slot, each internal bore groove are located among two adjacent hole slots；
Set in outer substrate a protrusion wherein as an outer unit, and setting a column internal bore groove in interior substrate, will as an interior unit
The outer surface of interior substrate is bonded with the inner surface of outer substrate and makes an interior unit is corresponding with an outer unit to be bonded, and makes inner hole
Slot position is in the middle position of corresponding protrusion width range；
Inside and outside substrate after fitting transversely and is cut longitudinally to form the shell of monomer；The cutting line wherein cut along longitudinal direction
For along longitudinal center's wire cutting of each flat slot；And the cutting line transversely cut is adjacent along two of longitudinal arrangement
The lateral symmetry middle wire cutting of internal bore groove；
Metal bath is provided, metal bath is contained in wire casing and internal bore groove by the positioning of wire casing；
Two shells are mutually fitted and form insulation shell；
Left end cap, right end cap are provided；Left end cap and right end cap are fastened in the both ends of insulation shell, and the both ends of metal bath respectively
It is welded respectively with left and right end cap.
2. the manufacturing method of current protector according to claim 1, it is characterised in that: the inner surface of the hole slot of interior substrate
Layers of copper is first covered, then covers tin layers in layers of copper.
3. the manufacturing method of current protector according to claim 2, it is characterised in that: the flat slot outer surface of outer substrate
Layers of copper is first covered, then covers tin layers in layers of copper.
4. the manufacturing method of current protector according to claim 3, it is characterised in that: several shells are transversely arranged simultaneously
Make the wire casing of each shell that a root long metal bath be horizontally arranged in the line of each shell along several shells along arranged in a straight line
In slot, then by chopping mode by long metal bath be cut into each shell cooperation individual metal bath.
5. the manufacturing method of current protector according to claim 1, it is characterised in that: before transverse direction and longitudinal direction cutting,
Long metal bath is arranged on interior substrate along wire casing, and then is divided into one to set metal bath by horizontal and vertical
Shell, then the shell for being not provided with metal bath with one bonds.
6. a kind of manufacturing method of current protector, it is characterised in that:
Outer substrate and interior substrate are provided；
The outer surface of its China and foreign countries' substrate is equipped with flat slot arranged in parallel, and the distance between two neighboring flat slot is equal,
Protrusion is formed between two flat slots；
The inner surface of interior substrate is equipped with the wire casing of horizontally-parallel arrangement, and the distance between two neighboring wire casing is equal；
It is additionally provided with that several transverse directions are embarked on journey and the hole slot of longitudinal arrayed in columns, several hole slots are horizontal along each wire casing on interior substrate
To arrangement, and the distance between the adjacent hole slot arranged on the same wire casing is equal, and is equipped in several on along wire casing
Hole slot, each internal bore groove are located among two adjacent hole slots；
Transversely and the shell of monomer is cut longitudinally to form after the outer surface of interior substrate is bonded with the inner surface of outer substrate；Wherein
The structure for cutting each shell formed is all the same, and the inside of each shell has central channel and the end positioned at central channel both ends
Slot, the central channel are connected to two end slots；The end slot is to cut the hole slot to be formed；The outer surface of each shell
Both ends be flat slot；
Metal bath is provided, metal bath is contained in wire casing and internal bore groove by the positioning of wire casing；
Two shells are mutually fitted and form insulation shell；
Left end cap, right end cap are provided；Left end cap and right end cap are fastened in the both ends of insulation shell, and the both ends of metal bath respectively
It is welded respectively with left and right end cap.
7. the manufacturing method of current protector according to claim 6, it is characterised in that: several shells are transversely arranged simultaneously
Make the wire casing of each shell that a root long metal bath be horizontally arranged in the line of each shell along several shells along arranged in a straight line
In slot, then by chopping mode by long metal bath be cut into each shell cooperation individual metal bath.
8. the manufacturing method of the current protector according to claim 6 or 7, it is characterised in that: the hole slot of interior substrate it is interior
Surface first covers layers of copper, then tin layers are covered in layers of copper；The flat slot outer surface of outer substrate first covers layers of copper, then covers in layers of copper
Lid tin layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610551454.7A CN106024549B (en) | 2016-07-13 | 2016-07-13 | A kind of current protector and manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610551454.7A CN106024549B (en) | 2016-07-13 | 2016-07-13 | A kind of current protector and manufacturing method |
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| CN106024549A CN106024549A (en) | 2016-10-12 |
| CN106024549B true CN106024549B (en) | 2019-01-11 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101567283A (en) * | 2008-04-24 | 2009-10-28 | Aem科技（苏州）有限公司 | Surface mounting fuse protector and manufacturing method thereof |
| DE202015101840U1 (en) * | 2015-04-15 | 2015-04-30 | Inter Control Hermann Köhler Elektrik GmbH & Co. KG | Fuse component |
| CN105408980A (en) * | 2013-08-12 | 2016-03-16 | 西门子公司 | Subsea fuse |
| CN205248226U (en) * | 2015-09-16 | 2016-05-18 | 南京萨特科技发展有限公司 | Miniature protector of heavy current |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202839511U (en) * | 2012-10-19 | 2013-03-27 | 上海松山电子有限公司 | SMT (surface mount technology) fuse |
| JP6426413B2 (en) * | 2014-09-16 | 2018-11-21 | ダイヘンヒューズ株式会社 | Method of manufacturing sealed electric wire fuse |
-
2016
- 2016-07-13 CN CN201610551454.7A patent/CN106024549B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101567283A (en) * | 2008-04-24 | 2009-10-28 | Aem科技（苏州）有限公司 | Surface mounting fuse protector and manufacturing method thereof |
| CN105408980A (en) * | 2013-08-12 | 2016-03-16 | 西门子公司 | Subsea fuse |
| DE202015101840U1 (en) * | 2015-04-15 | 2015-04-30 | Inter Control Hermann Köhler Elektrik GmbH & Co. KG | Fuse component |
| CN205248226U (en) * | 2015-09-16 | 2016-05-18 | 南京萨特科技发展有限公司 | Miniature protector of heavy current |
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