CN107993900A - A kind of plug-in type miniature circuit breaker - Google Patents
A kind of plug-in type miniature circuit breaker Download PDFInfo
- Publication number
- CN107993900A CN107993900A CN201711022049.7A CN201711022049A CN107993900A CN 107993900 A CN107993900 A CN 107993900A CN 201711022049 A CN201711022049 A CN 201711022049A CN 107993900 A CN107993900 A CN 107993900A
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- Prior art keywords
- plug
- button
- circuit breaker
- plate
- miniature circuit
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- 230000007246 mechanism Effects 0.000 claims abstract description 72
- 230000009979 protective mechanism Effects 0.000 claims abstract description 14
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 17
- 239000011692 calcium ascorbate Substances 0.000 claims description 12
- 230000004224 protection Effects 0.000 claims description 8
- 239000000661 sodium alginate Substances 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 4
- 210000003734 kidney Anatomy 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 7
- 230000008707 rearrangement Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 16
- 230000009471 action Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 210000003414 extremity Anatomy 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 241001416181 Axis axis Species 0.000 description 1
- 239000004283 Sodium sorbate Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- 238000012797 qualification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/1009—Interconnected mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
Abstract
A kind of plug-in type miniature circuit breaker; it includes shell (A), leading-out terminal (B), end of incoming cables (C), button mechanism (D), operating mechanism (G), overload protecting mechanism (H), arc-extinguishing mechanism (I), short current protective mechanism (J) and signal end (K), it is characterised in that:The button mechanism (D) is linked with locking device (E) and fixed tripper (F).This plug-in type miniature circuit breaker, wiring can be inserted directly into, and be taken out stitches simple to operate；Locking mechanism is improved at the same time, breaker is set arbitrarily to close a floodgate outside cabinet, can free divide-shut brake in cabinet, breaker cannot be extracted from cabinet by the parts in addition to button, by pulling button easily can to take out breaker from cabinet, breaker installation and the security used ensure that；Breaker is suitable for specific small space, by rearrangement circuit breaker internal structure, solves the excessive problem of breaker local temperature rise.
Description
Technical field
The invention belongs to breaker technical field, is exactly specifically to be related to a kind of plug-in type miniature circuit breaker.
Background technology
Breaker is divided into high-voltage circuitbreaker and low-voltage circuit breaker by its use scope.Low-voltage circuit breaker is also known as automatic switch,
It is a kind of existing manual switch effect, and can carry out the electric appliance of decompression, under-voltage, overload and short-circuit protection automatically.It can be used to
Electric energy is distributed, infrequently starts asynchronous motor, the implementations such as power circuit and motor are protected, when their generations are serious
Overload or the short-circuit and under-voltage energy automatic shutdown circuit when failure, its function is equivalent to Fuse switch with crossing underheat relay
The combination of device etc., and parts need not be generally changed after disjunction fault current, have been widely used.
Breaker is by mounting means point：Plug-in type, fixed and drawer type, the use of plug in circuit breaker can be carried effectively
High electrical equipment uses the security of industry, with plug in circuit breaker widely using on various electrical equipments, in order to full
The installation of the various different electrical equipments of foot needs, and the structure of plug in circuit breaker also develops into of all kinds, and existing plug-in type is small
Type breaker generally accesses conducting wire using the screw-type mode of connection, with regard to closing operation can be carried out when breaker is not loaded into cabinet,
Generally lock for circuit breaker is scheduled in cabinet using shrapnel in cabinet, unlock taking-up breaker is needed by additional work from cabinet
Tool, it is inconvenient for operation, while existing miniature circuit breaker short circuit instantaneous protection generally uses Direct Action Type solenidal electromagnet instantaneous protection
Device, takes up space relatively large, is unfavorable for wire arrangements.
The content of the invention
The purpose of the present invention is for existing miniature circuit breaker installation locking mechanism it is unreliable, be easy to cause false switching,
And whole device take up space it is larger, be unfavorable for conducting wire arrangement technological deficiency, there is provided a kind of plug-in type miniature circuit breaker, wiring
It can be inserted directly into, take out stitches simple to operate；Locking mechanism is improved at the same time, makes breaker can not be random outside cabinet
Close a floodgate, in cabinet can free divide-shut brake, breaker cannot be extracted from cabinet, passed through by the parts in addition to button
Pull button easily can take out breaker from cabinet, ensure that breaker installation and the security used；Breaker is fitted
For specific small space, by rearrangement circuit breaker internal structure, the excessive problem of breaker local temperature rise is solved.
Technical solution
In order to realize above-mentioned technical purpose, a kind of plug-in type miniature circuit breaker that the present invention designs, it includes shell, outlet
End, end of incoming cables, button mechanism, operating mechanism, overload protecting mechanism, arc-extinguishing mechanism, short current protective mechanism and signal end, it is described to press
Button mechanism is connected with operating mechanism, and the button mechanism is in the button mounting groove at the outer side end, the leading-out terminal
In the leading-out terminal mounting groove at the outer side end, leading-out terminal is located at the lower section of the button mechanism, the short-circuit protection
Mechanism is located at the right side of the leading-out terminal below the operating mechanism, and the short current protective mechanism is connected with leading-out terminal, institute
State end of incoming cables and be located at the right-hand end of the overload protection and arc-extinguishing mechanism and be installed in the inlet wire mounting groove of shell medial extremity, it is described
End of incoming cables is connected with the overload protecting mechanism, it is characterised in that:The plug-in type miniature circuit breaker further includes locking device
With fixed tripper, the button mechanism and locking device and fixed tripper linkage.
Further, the locking device includes lock button, and the lock button is by axis one in the shell
It can be rotated on wall around axis one, the left-hand end of the lock button is equipped with positive stop lug boss one, on the button in the button mechanism
Equipped with limited step one corresponding with positive stop lug boss one, the right side upper surface of the lock button is equipped with locking boss one, institute
To state shell and be equipped with the spacing slotted eye one answered with described locking boss a pair, torsional spring one fills on the shell, and the one of the torsional spring one
End rides over the lock button and is located on the lower surface on the right side of axis one.
Further, the fixed tripper includes fixed mechanism and unlocking mechanism, and the fixed mechanism includes fastener, institute
The right end for stating fastener is equipped with cylinder, and in the arc-shaped slot on the outer casing inner wall, torsional spring two fills on the shell the cylinder,
One end of the torsional spring two rides over the lower surface of the fastener, and the fastener upper side is equipped with locking boss two, the shell
It is equipped with spacing slotted eye two corresponding with the locking boss two.
Further, the unlocking mechanism includes unfastening fastener, and the unfastening fastener is by can be around on two cased wall of axis
Axis two rotates, and the right-hand end of the unfastening fastener, which is equipped with, unbuttons boss one, and the boss one of unbuttoning snaps over the fastener left end
Unbutton on linkage step, the left-hand end of the unfastening fastener is equipped with solution button block one, described to solve in button block one and the button mechanism
Driving protrusion one on button is corresponding.
Further, the axis one and axis two are same axis, and the lock button and unfastening fastener are mounted on axis side by side, described
Torsional spring one and torsional spring two are same torsional spring, and one end of the torsional spring rides over the lower surface that the lock button is located at the right side of axis one
On, the other end is ridden on the step surface one of the fastener lower part.
Further, the short current protective mechanism includes armature, yoke, coil, iron core, axis and armature torsional spring, the iron core
In the yoke, the mounting coil on iron core, the armature on the axis can pivoting, be equipped with the axis
Armature torsional spring, the armature torsional spring, which props up the armature, can make its reset.
Further, the overload protecting mechanism includes arc leading angle, wiring board, adjusting screw and bimetal leaf, double gold
Belong to piece to be fixed together with the wiring board, the adjusting screw can adjust the bimetal leaf on the arc leading angle
Position.
Further, the lower surface that the lock button is located at the right side of axis one is equipped with groove, described to latch on button lateral surface
Equipped with overhead kick boss corresponding with groove, one end of the torsional spring one, which rides over, props up the overhead kick boss in groove.
Further, right flank is equipped with chamfering on the locking boss two, and one end of the torsional spring two is ridden under the fastener
On the step surface one in portion.
Further, the yoke includes a pair of magnetic yoke plate set face-to-face, is stretched out on the medial surface of the yoke plate solid
Fixed board, the fixed plate are equipped with mounting hole, fix yoke in the fixed column of the mounting hole dress on the shell.
Further, the both ends of the iron core are attached separately in the mounting hole on the yoke plate, and the iron core both ends are platform
Rank, the step surface of the step prop up yoke plate.
Further, the medial surface of the armature stretches out installing plate, and the installing plate is equipped with shaft mounting hole, and the two of the axis
End is attached separately in shaft mounting hole, and on axis between installing plate, the armature one end rides over the armature torsional spring
On shell, the other end rides over armature lower surface.
Further, the armature is tablet, the yoke plate ' upper surface be flat face corresponding with tablet, the rank
The front end of iron is equipped with dropout boss.
Further, the wiring board is equipped with band movable plate, together with one end of the bimetal leaf is installed on band movable plate,
Below the supporting plate being located at movable plate on the arc leading angle, the supporting plate is equipped with threaded hole, and the threaded hole is built-in
Have an adjusting screw, the adjusting screw with the corresponding position that can adjust bimetal leaf of movable plate.
Further, the arc leading angle is electrically connected with the wiring board by contacting to compress or weld to be fitted together.
Further, the arc leading angle includes run-on tab body, the run-on tab body bending connecting bracket plate, run-on tab sheet
Body and supporting plate are equipped with the slot of perforation, and the supporting plate head end plate face is equipped with threaded hole, the run-on tab outer body
End is connected with connecting plate, and striking stent is drawn in the slot of the supporting plate outboard end, and the striking stent is connected with run-on tab,
The run-on tab is parallel with supporting plate, and the run-on tab body is parallel with the striking stent.
Further, the wiring board includes plug wire stent, and the plug wire stent is equipped with kidney slot, and the band movable plate is with inserting
Line bracket circular sliding slopes, the band movable plate be located at it is parallel with the plug wire stent below the plug wire stent, the band movable plate from
The slot is inserted into below the supporting plate head end plate face and parallel with the supporting plate, is connected with the right side of the plug wire stent
Power socket.
Further, the end of incoming cables includes power socket described at least two, and the power socket is pectination, by the opposite shape of 2 rows
The similar broach composition of shape.
Further, the power socket is made by conductive energy and flexible material.
Further, the leading-out terminal includes terminal plate and shrapnel, and shrapnel compresses external wire and terminal plate.Beneficial effect
A kind of plug-in type miniature circuit breaker provided by the invention, wiring can be inserted directly into, take out stitches simple to operate；Together
When locking mechanism is improved, breaker is arbitrarily closed a floodgate outside cabinet, in cabinet can free divide-shut brake, by except
Parts beyond button cannot extract breaker from cabinet, by pulling button can be easily by breaker from cabinet
Take out, ensure that breaker installation and the security used；Breaker is suitable for specific small space, passes through rearrangement open circuit
Device internal structure, solves the excessive problem of breaker local temperature rise.
Brief description of the drawings
Attached drawing 1 is the structure diagram of the embodiment of the present invention.
Attached drawing 2 is locking device structure schematic diagram in the embodiment of the present invention.
Attached drawing 3 is the structure diagram that button is latched in the embodiment of the present invention.
Attached drawing 4 is the structure diagram of fastener in the embodiment of the present invention.
Attached drawing 5 is the positional structure schematic diagram of step surface one in the embodiment of the present invention.
Attached drawing 6 is the structure diagram of unfastening fastener in the embodiment of the present invention.
Attached drawing 7 is positional structure schematic diagram between locking device and fixed tripper in the embodiment of the present invention.
Attached drawing 8 is locking device and fixed tripper mounting structure schematic diagram in the embodiment of the present invention.
Attached drawing 9 is the structure diagram of button mechanism in the embodiment of the present invention；
Attached drawing 10 is the structure diagram of button in the embodiment of the present invention；
Attached drawing 11 is the structure diagram of short current protective mechanism in the embodiment of the present invention；
Attached drawing 12 is the explosive view of short current protective mechanism in the embodiment of the present invention；
Attached drawing 13 is the structure diagram of overload protecting mechanism in the embodiment of the present invention；
Attached drawing 14 is the structure diagram of arc leading angle in the embodiment of the present invention.
Attached drawing 15 is the structure diagram of wiring board in the embodiment of the present invention.
Attached drawing 16 is the structure diagram of leading-out terminal in the embodiment of the present invention.
Attached drawing 17 extracts the structure diagram of cabinet disconnection out for breaker of the embodiment of the present invention.
Embodiment
With reference to the accompanying drawings and examples, the present invention is described in further details.
Embodiment
As shown in Figure 1, a kind of plug-in type miniature circuit breaker, it includes shell A, leading-out terminal B, end of incoming cables C, button mechanism
D, locking device E, fixed tripper F, operating mechanism G, overload protecting mechanism H, arc-extinguishing mechanism I, short current protective mechanism J and letter
Number end K, the button mechanism D be connected with operating mechanism G, and the button mechanism D is mounted in the button installation of the shell A outboard ends
In groove A01, the leading-out terminal B A02, leading-out terminal B in the leading-out terminal mounting groove of the shell A outboard ends are located at the button
The lower section of mechanism D, the short current protective mechanism J is located at the right side of the leading-out terminal B below the operating mechanism G, described
Short current protective mechanism J is connected with leading-out terminal B, and the end of incoming cables C is located at the right-hand end peace of the overload protection H and arc-extinguishing mechanism I
In the inlet wire mounting groove A03 of shell A medial extremitys, the end of incoming cables C is connected with the overload protecting mechanism H, described to insert
Enter formula miniature circuit breaker and further include locking device E and fixed tripper F, the button mechanism D and locking device E and fixed solution
Locking device F links.
As shown in Figures 2 and 3, the locking device E passes through axis one including lock button E301, the lock button E301
E302 can be rotated on the inner wall of the shell A around one E302 of axis, and the left-hand end of the lock button E301 is equipped with spacing
Button D2 in boss one E301a, the button mechanism D is equipped with limited step one corresponding with one E301a of positive stop lug boss
The right side upper surface of DE201, the lock button E301 are equipped with locking boss one E301b, the shell A be equipped with it is described
Corresponding one AE102 of spacing slotted eye of one E301b of boss are locked, one E4 of torsional spring is on shell A, one end of one E4 of torsional spring
E401 rides over the lock button E301 and is located on the lower surface on the right side of one E302 of axis.The lock button E301 is located at axis one
Lower surface on the right side of E302 is equipped with groove E301c, and the lock button E301 lateral surfaces are equipped with overhead kick corresponding with groove E301c
Boss E301d, one end E401 of one E4 of torsional spring, which rides over, props up the overhead kick boss E301d in groove E301c.When breaker breaks
Open state, the lock button E301 are acted on be subject to one E4 of torsional spring so that the positive stop lug boss one on the left of lock button E301
E301a props up one DE201 of limited step of button D2, and lock button E301 pins button D2, and operation button D2 can not be pressed,
Breaker can not close a floodgate.In the present embodiment, when breaker can free opening and closing state when, breaker is installed in place in cabinet L
When, one E301b of lock button E301 right locks boss is depressed by cabinet plate, and lock button E301 is rotated clockwise, and lock is pressed
One E301a of positive stop lug boss no longer props up limited step one E201, operation button the D2 unlock in the middle part of button E2 on the left of button E301, pushes away
(drawing) moves button D2, drives the action of the connecting rod in breaker mechanism breaker is closed (dividing) lock.
The fixed tripper F includes fixed mechanism F3 and unlocking mechanism F4, as shown in figs. 4 and 5, the fixed machine
The right end that structure F3 includes fastener F301, the fastener F301 is equipped with cylinder F301a, the cylinder F301a in the shell A
In arc-shaped slot AF102 on wall, for two F5 of torsional spring on shell A, one end F501 of two F5 of torsional spring rides over the fastener
The lower surface of F301, the fastener F301 upper sides, which are equipped with, locks two F301b of boss, and the shell A is equipped with and the lock
Determine corresponding two AF103 of spacing slotted eye of two F301b of boss；Right flank is equipped with chamfering, the torsion on two F301b of the locking boss
One end F501 of two F5 of spring is ridden on one F301d of step surface of the fastener F301 lower parts.The unlocking mechanism F4 includes unbuttoning
Part F401, as shown in Figure 6, the unfastening fastener F401 can be turned by two F402 of axis on shell A inner walls around two F402 of axis
Dynamic, the right-hand end of the unfastening fastener F401, which is equipped with, to be unbuttoned boss one F401a, one F401a of boss that unbuttons and snaps over the button
Part F301 left ends are unbuttoned on linkage step F301c, and the left-hand end of the unfastening fastener F401 is equipped with solution one F403 of button block, the solution
One F403 of button block is corresponding with one DF201 of driving protrusion on the button D2 in the button mechanism D.In the present embodiment, when disconnected
During cabinet L is loaded, two F301b of locking boss of the fastener F301 is depressed road device by cabinet L, fastener F301 around
Right side cylinder F301a overcomes two F5 of torsional spring to rotate counterclockwise, and breaker can smoothly load cabinet.Stablize when breaker and be mounted in cabinet
In L, locking boss two F301b, fastener F301 that cabinet no longer pushes down fastener F301 turn clockwise under the action of two F5 of torsional spring
Dynamic to reset, locking two F301b of boss stretches out shell A from two AF103 of spacing slotted eye, two F301b of locking boss pin breaker in
It is not pulled out in cabinet；Can close a floodgate by lower button D2 breakers, pull out button D2, breaker can separating brake, remove button from breaker
Other positions outside D2, can not take out breaker from cabinet.After pulling button D2 to certain position, button is pulled on
D2, one DF201 of driving protrusion of button D2 right upper portions act on one F403 of solution button block of unfastening fastener F401 left-hand ends, unfastening fastener
F401 is rotated clockwise around two F402 of axis, and fastener F301's unbuttons linkage step F301c by the right-hand end of unfastening fastener F401
One F401a of boss effects are unbuttoned, fastener F301 overcomes 25 reaction force of torsional spring to be rotated counterclockwise around right side cylinder F301a, locks
Determine two F301b of boss and move down certain position, and be less than case for circuit breaker A surfaces, breaker is unlocked from cabinet, can be light
Breaker is extracted from cabinet.
As depicted in figures 7 and 8, in the present embodiment, one E302 of axis and two F402 of axis are same axis, and the lock is pressed
For button E301 and unfastening fastener F401 side by side on the axis, one E4 of torsional spring and two F5 of torsional spring are same torsional spring, the one of the torsional spring
End E401 rides over the lock button E301 and is located on the lower surface on the right side of one E302 of axis, and other end F501 rides over the fastener
On one F301d of step surface of F301 lower parts.
As shown in attached drawing 9 and 10, the button mechanism D includes being provided with button D2 and indicator D1, the button D2
Cavity D 202, in cavity D 202, the indicator D1 can be swung indicator D1 in cavity D 202, be set on the button D2
Observation window D203 is equipped with, different zones can be shown in observation window D203 in indicator D1 swing process.
As shown figs. 11 and 12, the short current protective mechanism J includes armature J1, yoke J2, coil J3, iron core J4, axis
J5 and armature torsional spring J6, the iron core J4 are on the yoke J2, and the coil J3 is sleeved on iron core J4, the armature J1
It can be rotated on axis J5 around axis J5, the armature is propped up equipped with armature torsional spring J6, the armature torsional spring J6 on the axis J5
J1 can make its reset.
In the present embodiment, the yoke J2 includes a pair of magnetic yoke plate J201, the J201 ' set face-to-face, the yoke plate
J201, J201 ' medial surface on stretch out fixed plate J201a, J201a ', the fixed plate J201a, J201a ' are equipped with mounting hole
J201a01, J201a01 ', the mounting hole J201a01, J201a01 ' make yoke J2 on the fixed column A701 on shell A
It is fixed；The both ends of the iron core J4 are attached separately to the yoke plate J201, in the mounting hole J201b, J201b ' on J201 ', institute
State the step surface that iron core J4 both ends are step J401, the step J401 and prop up yoke plate J201, J201 '；The armature J1's
Medial surface stretches out installing plate J101, J101 ', and the installing plate J101, J101 ' are equipped with shaft mounting hole J101a, J101a ', institute
The both ends for stating axis J5 are attached separately in shaft mounting hole J101a, J101a ', and the armature torsional spring J6 is located at installing plate on axis J5
J101, J101 ' between, described armature torsional spring J6 one end is ridden on shell A, and the other end rides over armature J1 lower surfaces；The armature
J1 is tablet, and the upper surface of the yoke plate J201, J201 ' are flat face corresponding with tablet, and the front end of the armature J1 is set
There is dropout boss J102；The axis J5 is installed on shell A.When passing through less electric current in the coil J3 of magnetictrip
When, the suction between the armature J1 and yoke J2 of magnetictrip is less than the counter-force of armature torsional spring J6, and armature J1 is in armature torsional spring J6
Under the action of remains stationary state, armature J1 do not pat lock, and breaker is not threaded off；When breaker closing, when coil J3 leads to
When the electric current crossed is more than certain value, the suction between magnetictrip armature J1 and yoke J2 is more than the counter-force of armature torsional spring J6, will
Armature J1 overcomes armature torsional spring J6 counter-forces to be rotated to yoke J2 directions around axis J5 under suction, and pats lock, makes open circuit
Device is threaded off.After breaker disconnects, under the action of armature torsional spring J6, armature J1 will recover not clap conjunction state.
As shown in attached drawing 13,14 and 15, the overload protecting mechanism H includes arc leading angle H1, wiring board H2, adjusting screw H3
It is fixed together with bimetal leaf H4, the bimetal leaf H4 with the wiring board H2, the arc leading angle H1 and the wiring board
H2 is electrically connected by contacting to compress or weld to be fitted together, and is fitted together and is electrically connected using welding in the present embodiment.
The adjusting screw H3 can adjust the position of the bimetal leaf H4 on the arc leading angle H1.
The wiring board H2 is equipped with band movable plate H201, and one end of the bimetal leaf H4 with movable plate H201 with being installed on
Together, below the supporting plate H101 being located at movable plate H201 on the arc leading angle H1, the supporting plate H101 is equipped with spiral shell
In pit H101a, the threaded hole H101a equipped with adjusting screw H3, the adjusting screw H3 with movable plate H201 to should be able to
Adjust the position of bimetal leaf H4；
The arc leading angle H1 includes run-on tab body H102, the run-on tab body H102 bendings connecting bracket plate H101,
Run-on tab body H102 and supporting plate H101 is equipped with the slot H101b of perforation, and the supporting plate H101 head end plate faces are equipped with
Threaded hole H101a, the run-on tab body H102 outboard ends are connected with connecting plate H103, the groove of the supporting plate H101 outboard ends
Striking stent H104, the striking stent H104 are drawn in the H101b of hole and is connected with run-on tab H105, the run-on tab H105 and branch
Frame plate H101 is parallel, and the run-on tab body H102 is parallel with the striking stent H104；
The wiring board H2 is equipped with kidney slot H202a, the band including plug wire stent H202, the plug wire stent H202
Movable plate H201 and plug wire stent H202 circular sliding slopes, the band movable plate H201 is located at below the plug wire stent H202 to be inserted with described
Line bracket H202 is parallel, and the band movable plate H201 is inserted into below the supporting plate H101 head ends plate face from the slot H101b
And it is parallel with the supporting plate H101, power socket H203 is connected with the right side of the plug wire stent H202,.Breaker overload work
When, bimetal leaf H4, which has received heat-carrying, to be influenced to occur bending and deformation, and drives breaker tripping mechanism to thread off at the appointed time
Action；Circuit breaker tripping dynamic/static contact separately produces electric arc, and electric arc reaches arc leading angle H1 by moving contact, and electric arc is along arc leading angle
The run-on tab H105 of H1 enters arc-chutes, plays the role of arc leading and suppressing.
As shown in Figure 16, leading-out terminal B is arranged on breaker left lower, is made of two Wiring ports, external wire
Port is inserted directly into, is compressed external wire and terminal plate B1 by shrapnel B2.
As shown in Figure 17, end of incoming cables C includes 2 power socket H203, and the power socket H203 is pectination, by 2 rows
Opposite shape it is similar broach composition, the power socket H203 by it is conductive can and flexible material make and
Into power socket H203 described in the present embodiment is made by corronil.
A kind of plug-in type miniature circuit breaker provided in this embodiment, wiring can be inserted directly into, take out stitches simple to operate；
At the same time locking mechanism is improved, breaker is arbitrarily closed a floodgate outside cabinet, in cabinet can free divide-shut brake, pass through
Parts in addition to button cannot extract breaker from cabinet, by pulling button can be easily by breaker from cabinet
Middle taking-up, ensure that breaker installation and the security used；Breaker is suitable for specific small space, is broken by rearrangement
Road device internal structure, solves the excessive problem of breaker local temperature rise.
Structure, ratio, size depicted in the present embodiment institute accompanying drawings etc., only to coordinate specification it is revealed in
Hold, so that those skilled in the art understands and reads, be not limited to the enforceable qualifications of the present invention, therefore do not have skill
Essential meaning in art, the modification of any structure, the change of proportionate relationship or the adjustment of size, can produce not influencing the present invention
Under the effect of raw and the purpose that can reach, should all still it fall in the range of disclosed technology contents are obtained and can covered.
Meanwhile cited such as " on ", " under ", "left", "right", " centre ", " clockwise ", the use of " counterclockwise " in this specification
Language, is merely convenient to understanding for narration, and is not used to limit the enforceable scope of the present invention, the change of its relativeness or tune
It is whole, in the case where changing technology contents without essence, when being also considered as the enforceable category of the present invention.
Claims (20)
1. a kind of plug-in type miniature circuit breaker, it includes shell (A), leading-out terminal (B), end of incoming cables (C), button mechanism (D), operation
Mechanism (G), overload protecting mechanism (H), arc-extinguishing mechanism (I), short current protective mechanism (J) and signal end (K), the button mechanism
(D) it is connected with operating mechanism (G), the button mechanism (D) is interior mounted in the button mounting groove (A01) of the shell (A) outboard end,
For the leading-out terminal (B) in the leading-out terminal mounting groove of the shell (A) outboard end (A02), leading-out terminal (B) is located at the button
The lower section of mechanism (D), the short current protective mechanism (J) are located at the right side of the leading-out terminal (B) below the operating mechanism (G)
Side, the short current protective mechanism (J) are connected with leading-out terminal (B), and the end of incoming cables (C) is located at the overload protection (H) and arc extinguishing
The right-hand end of mechanism (I) is installed in the inlet wire mounting groove (A03) of shell (A) medial extremity, the end of incoming cables (C) and the overload
Protection mechanism (H) is connected, it is characterised in that:The plug-in type miniature circuit breaker further includes locking device (E) and fixed unlock
Device (F), the button mechanism (D) are linked with locking device (E) and fixed tripper (F).
A kind of 2. plug-in type miniature circuit breaker as claimed in claim 1, it is characterised in that：The locking device (E) includes lock
Button (E301) is detained, the lock button (E301) can be around axis on the inner wall of the shell (A) by axis one (E302)
One (E302) is rotated, and the left-hand end of the lock button (E301) is equipped with positive stop lug boss one (E301a), the button mechanism (D)
In button (D2) be equipped with limited step one (DE201) corresponding with positive stop lug boss one (E301a), the lock button
(E301) right side upper surface is equipped with locking boss one (E301b), and the shell (A) is equipped with and the locking boss one
(E301b) corresponding spacing slotted eye one (AE102), torsional spring one (E4) is on shell (A), one end of the torsional spring one (E4)
(E401) the lock button (E301) is ridden over to be located on the lower surface on the right side of axis one (E302).
A kind of 3. plug-in type miniature circuit breaker as claimed in claim 2, it is characterised in that：Fixed tripper (F) bag
Fixed mechanism (F3) and unlocking mechanism (F4) are included, the fixed mechanism (F3) includes fastener (F301), the fastener (F301)
Right end is equipped with cylinder (F301a), and the cylinder (F301a) is mounted in the arc-shaped slot (AF102) on the shell (A) inner wall,
For torsional spring two (F5) on shell (A), one end (F501) of the torsional spring two (F5) rides over the lower surface of the fastener (F301),
Fastener (F301) upper side is equipped with locking boss two (F301b), and the shell (A) is equipped with and the locking boss two
(F301b) corresponding spacing slotted eye two (AF103).
A kind of 4. plug-in type miniature circuit breaker as claimed in claim 3, it is characterised in that：The unlocking mechanism (F4) includes solution
Fastener (F401), the unfastening fastener (F401) can be turned by axis two (F402) on shell (A) inner wall around axis two (F402)
Dynamic, the right-hand end of the unfastening fastener (F401), which is equipped with, unbuttons boss one (F401a), and the boss one (F401a) of unbuttoning snaps over
Fastener (F301) left end is unbuttoned on linkage step (F301c), and the left-hand end of the unfastening fastener (F401) is equipped with solution button block
One (F403), the solution button block one (F403) and the driving protrusion one (DF201) on the button (D2) in the button mechanism (D)
It is corresponding.
A kind of 5. plug-in type miniature circuit breaker as described in claim 2 or 4, it is characterised in that：The axis one (E302) and axis
Two (F402) are same axis, and the lock button (E301) and unfastening fastener (F401) are mounted on axis side by side, the torsional spring one
(E4) and torsional spring two (F5) is same torsional spring, and one end (E401) of the torsional spring rides over the lock button (E301) and is located at axis one
(E302) on the lower surface on the right side of, the other end (F501) is ridden on the step surface one (F301d) of the fastener (F301) lower part.
A kind of 6. plug-in type miniature circuit breaker as claimed in claim 1, it is characterised in that：Short current protective mechanism (J) bag
Include armature (J1), yoke (J2), coil (J3), iron core (J4), axis (J5) and armature torsional spring (J6), the iron core (J4) is mounted in institute
State in yoke (J2), the coil (J3) is sleeved on iron core (J4), and the armature (J1) can be around axis on axis (J5)
(J5) rotate, armature torsional spring (J6) is housed on the axis (J5), the armature torsional spring (J6), which props up the armature (J1), to be made
It is resetted, and the axis (J5) is installed on shell (A).
A kind of 7. plug-in type miniature circuit breaker as claimed in claim 1, it is characterised in that：Overload protecting mechanism (H) bag
Include arc leading angle (H1), wiring board (H2), adjusting screw (H3) and bimetal leaf (H4), the bimetal leaf (H4) and the plug wire
Plate (H2) is fixed together, and the adjusting screw (H3) can adjust the bimetal leaf (H3) on the arc leading angle (H1)
Position.
A kind of 8. plug-in type miniature circuit breaker as claimed in claim 2, it is characterised in that：The lock button (E301) is located at
Lower surface on the right side of axis one (E302) is equipped with groove (E301c), and described lock button (E301) lateral surface is equipped with and groove
(E301c) corresponding overhead kick boss (E301d), one end (E401) of the torsional spring one (E4), which is ridden in groove (E301c), props up institute
State overhead kick boss (E301d).
A kind of 9. plug-in type miniature circuit breaker as claimed in claim 3, it is characterised in that：The locking boss two (F301b)
Upper right flank is equipped with chamfering, and one end (F501) of the torsional spring two (F5) rides over the step surface one of the fastener (F301) lower part
(F301d) on.
A kind of 10. plug-in type miniature circuit breaker as claimed in claim 6, it is characterised in that：The yoke (J2) includes facing
A pair of magnetic yoke plate (J201, J201 ') that face is set, stretches out fixed plate on the medial surface of the yoke plate (J201, J201 ')
(J201a, J201a '), the fixed plate (J201a, J201a ') is equipped with mounting hole (J201a01, J201a01 '), described solid
Determine hole (J201a01, J201a01 ') makes yoke (J2) fixed in the fixed column (A701) on shell (A).
A kind of 11. plug-in type miniature circuit breaker as claimed in claim 10, it is characterised in that：The both ends of the iron core (J4) point
In mounting hole (J201b, J201b ') that Zhuan be on the yoke plate (J201, J201 '), iron core (J4) both ends are step
(J401), the step surface of the step (J401) props up yoke plate (J201, J201 ').
A kind of 12. plug-in type miniature circuit breaker as claimed in claim 10, it is characterised in that：The medial surface of the armature (J1)
Stretch out installing plate (J101, J101 '), the installing plate (J101, J101 ') is equipped with shaft mounting hole (J101a, J101a '), institute
The both ends for stating axis (J5) are attached separately in shaft mounting hole (J101a, J101a '), and the armature torsional spring (J6) is upper mounted in axis (J5)
Between installing plate (J101, J101 '), described armature torsional spring (J6) one end is ridden on shell (A), and the other end rides over armature (J1)
Lower surface.
A kind of 13. plug-in type miniature circuit breaker as claimed in claim 10, it is characterised in that：The armature (J1) is tablet,
The upper surface of the yoke plate (J201, J201 ') is flat face corresponding with tablet, and the front end of the armature (J1), which is equipped with, threads off
Boss (J102).
A kind of 14. plug-in type miniature circuit breaker as claimed in claim 7, it is characterised in that：The wiring board (H2) is equipped with
Band movable plate (H201), one end of the bimetal leaf (H4) with movable plate (H201) together with being installed on, the band movable plate
(H201) below the supporting plate (H101) on the arc leading angle (H1), the supporting plate (H101) is equipped with threaded hole
(H101a), adjusting screw (H3) is housed in the threaded hole (H101a), the adjusting screw (H3) with it is right with movable plate (H201)
The position of bimetal leaf (H4) should be able to be adjusted.
A kind of 15. plug-in type miniature circuit breaker as claimed in claim 7, it is characterised in that：The arc leading angle (H1) with it is described
Wiring board (H2) is electrically connected by contacting and compressing or weld to be fitted together.
A kind of 16. plug-in type miniature circuit breaker as claimed in claim 7, it is characterised in that：The arc leading angle (H1) includes drawing
Arc plate body (H102), run-on tab body (H102) the bending connecting bracket plate (H101), run-on tab body (H102) and branch
Frame plate (H101) is equipped with the slot (H101b) of perforation, and supporting plate (H101) the head end plate face is equipped with threaded hole
(H101a), run-on tab body (H102) outboard end is connected with connecting plate (H103), supporting plate (H101) outboard end
Striking stent (H104) is drawn in slot (H101b), the striking stent (H104) is connected with run-on tab (H105), the striking
Plate (H105) is parallel with supporting plate (H101), and the run-on tab body (H102) is parallel with the striking stent (H104).
A kind of 17. plug-in type miniature circuit breaker as claimed in claim 7, it is characterised in that：The wiring board (H2) includes inserting
Line bracket (H202), the plug wire stent (H202) are equipped with kidney slot (H202a), the band movable plate (H201) and plug wire stent
(H202) circular sliding slopes, the band movable plate (H201) are located at below the plug wire stent (H202) and the plug wire stent (H202)
It is parallel, the band movable plate (H201) be inserted into from the slot (H101b) below the supporting plate (H101) head end plate face and with
The supporting plate (H101) is parallel, and power socket (H203) is connected with the right side of the plug wire stent (H202).
A kind of 18. plug-in type miniature circuit breaker as claimed in claim 1, it is characterised in that：The end of incoming cables (C) is included at least
2 power sockets, the power socket (H203) are pectination, are made of the similar broach of the opposite shape of 2 rows.
A kind of 19. plug-in type miniature circuit breaker as claimed in claim 18, it is characterised in that：The power socket (H203) is by having
Have conductivity and flexible material is made.
A kind of 20. plug-in type miniature circuit breaker as claimed in claim 1, it is characterised in that：The leading-out terminal (B) includes wiring
Plate (B1) and shrapnel (B2), shrapnel (B2) compress external wire and terminal plate (B1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711022049.7A CN107993900B (en) | 2017-10-26 | 2017-10-26 | Plug-in miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711022049.7A CN107993900B (en) | 2017-10-26 | 2017-10-26 | Plug-in miniature circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107993900A true CN107993900A (en) | 2018-05-04 |
| CN107993900B CN107993900B (en) | 2023-12-12 |
Family
ID=62031048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711022049.7A Active CN107993900B (en) | 2017-10-26 | 2017-10-26 | Plug-in miniature circuit breaker |
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| Country | Link |
|---|---|
| CN (1) | CN107993900B (en) |
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| CN109585233A (en) * | 2018-12-28 | 2019-04-05 | 浙江正泰电器股份有限公司 | Miniature circuit breaker |
| CN109599303A (en) * | 2018-12-28 | 2019-04-09 | 浙江正泰电器股份有限公司 | Miniature circuit breaker |
| CN109637907A (en) * | 2018-12-28 | 2019-04-16 | 浙江正泰电器股份有限公司 | Miniature circuit breaker |
| CN109686626A (en) * | 2018-12-28 | 2019-04-26 | 浙江正泰电器股份有限公司 | Miniature circuit breaker |
| CN109786186A (en) * | 2018-12-28 | 2019-05-21 | 浙江正泰电器股份有限公司 | Miniature circuit breaker |
| CN111183559A (en) * | 2019-08-27 | 2020-05-19 | 华为技术有限公司 | Power distribution equipment and power distribution system |
| JP2022516547A (en) * | 2018-12-28 | 2022-02-28 | チェジアン チント エレクトリックス カンパニー リミテッド | Small circuit breaker |
| US20220084770A1 (en) * | 2018-12-28 | 2022-03-17 | Zhejiang Chint Electrics Co., Ltd. | Miniature circuit breaker |
| CN114496672A (en) * | 2022-02-25 | 2022-05-13 | 江西航同电气科技有限公司 | Locking and unlocking structure of plug-in circuit breaker |
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| US11784467B2 (en) | 2018-12-21 | 2023-10-10 | Huawei Technologies Co., Ltd. | Power distribution equipment and power distribution system |
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| CN109786186B (en) * | 2018-12-28 | 2024-03-26 | 浙江正泰电器股份有限公司 | Small-sized circuit breaker |
| CN111183559A (en) * | 2019-08-27 | 2020-05-19 | 华为技术有限公司 | Power distribution equipment and power distribution system |
| CN114496672A (en) * | 2022-02-25 | 2022-05-13 | 江西航同电气科技有限公司 | Locking and unlocking structure of plug-in circuit breaker |
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