CN114464506B - Plug-in circuit breaker thermal regulation system assembly - Google Patents
Plug-in circuit breaker thermal regulation system assembly Download PDFInfo
- Publication number
- CN114464506B CN114464506B CN202210176769.3A CN202210176769A CN114464506B CN 114464506 B CN114464506 B CN 114464506B CN 202210176769 A CN202210176769 A CN 202210176769A CN 114464506 B CN114464506 B CN 114464506B
- Authority
- CN
- China
- Prior art keywords
- support
- lock catch
- double
- bimetallic strip
- gold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 239000010931 gold Substances 0.000 claims abstract description 24
- 229910052737 gold Inorganic materials 0.000 claims abstract description 24
- 238000003466 welding Methods 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 claims 3
- 230000033001 locomotion Effects 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 230000002452 interceptive effect Effects 0.000 abstract description 2
- 239000002184 metal Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 235000012149 noodles Nutrition 0.000 description 2
- WVQBLGZPHOPPFO-LBPRGKRZSA-N (S)-metolachlor Chemical compound CCC1=CC=CC(C)=C1N([C@@H](C)COC)C(=O)CCl WVQBLGZPHOPPFO-LBPRGKRZSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- 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
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/14—Electrothermal mechanisms
- H01H71/16—Electrothermal mechanisms with bimetal element
-
- 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
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
- H01H71/0221—Majority of parts mounted on central frame or wall
-
- 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
Landscapes
- Breakers (AREA)
- Thermally Actuated Switches (AREA)
Abstract
The invention relates to the technical field of circuit breakers, in particular to a plug-in circuit breaker thermal regulating system component, which comprises a double-gold component, a lock catch component, a wire inlet terminal, a shell and an operating mechanism, wherein the double-gold component, the lock catch component, the wire inlet terminal and the operating mechanism are arranged in the shell, the wire inlet terminal is electrically connected with the double-gold component, the double-gold component comprises a bimetallic strip and a bracket, the bimetallic strip is arranged on the bracket, the lock catch component comprises a lock catch seat, an intermediate connecting piece, a jump buckle, a movable contact piece, a trip spring, a pin shaft, a first rivet, a reset spring and a double-gold pull rod, the double-gold pull rod is directly arranged on the lock catch component and is matched with a limiting round platform on the lock catch component, so that the double-gold pull rod is directly matched with the lock catch component to ensure the working reliability of the double-gold pull rod and prevent a large-size wire from interfering the movement of the mechanism.
Description
Technical Field
The invention relates to the technical field of circuit breakers, in particular to a plug-in circuit breaker heat regulating system component.
Background
Overload protection mechanisms are commonly provided in circuit breakers. The overload protection mechanism generally comprises a double-metal component, a lock catch component, an operating mechanism and the like, when a certain time passes through a current carrying process, the bimetallic strip of the overload protection mechanism can be heated and bent and drive a pull rod matched with the lock catch, so that the bimetallic strip drives the lock catch to move, the balance of the overload protection mechanism is damaged, the overload protection mechanism is pulled back under the action of a spring, and at the moment, the moving contact is also separated from the fixed contact, and the overload protection mechanism protects a circuit. When the overload protection mechanism works, the bimetallic strip is required to drive the trip bar to move, and the trip bar is required to be displaced to ensure that the operating mechanism is driven to work, so that overload protection is realized.
In the existing design products in the market, one end of the trip bar is usually fixed through a chute arranged on the side wall of the shell, and the other end is connected with the operating mechanism, so that the following problems easily exist: (1) the tripping rod interferes with the lead in the circuit breaker in the sliding process, thereby affecting the movement of the tripping rod and reducing the working stability of the overload protection mechanism; (2) the grooves occupy the arrangement space of the wires, which is unfavorable for the arrangement of the wires with large specification, thereby contacting with the bimetallic strip and affecting the reliability of delay protection.
The existing method for increasing the spare part avoiding space according to the ZL202011174313 mode brings about an increase in assembly cost due to the solution of increasing parts, and is more complex in structure and more complicated in process, so that a plug-in circuit breaker heat regulating system component with a simpler structure is needed to solve the problem.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides a plug-in circuit breaker heat adjustment system assembly to solve the problems described in the background art.
The method comprises the following steps: the utility model provides a hot-blast main assembly of plug-in circuit breaker, includes bight subassembly 1, hasp subassembly 2, inlet wire terminal 4, casing 3 and operating device, its characterized in that: the double-gold assembly 1, the lock catch assembly 2, the wire inlet terminal 4 and the operating mechanism are arranged in the shell 3, the wire inlet terminal 4 is electrically connected with the double-gold assembly 1, the double-gold assembly 1 comprises a double-metal sheet 101 and a support 103, and the double-metal sheet 101 is arranged on the support 103;
preferably, the latch assembly 2 comprises a latch seat 201, an intermediate coupling member 202, a latch 203, a movable contact member 204, a trip spring 205, a pin 206, a first rivet 207, a return spring 208 and a pair Jin Lagan 209, wherein the latch seat 201 is rotatably arranged on the housing 3, the movable contact member 204 is nested in the middle of the intermediate coupling member 202, the latch 203 is rotatably arranged on the top of the intermediate coupling member 202, and the movable contact member 204 and the intermediate coupling member 202 are nested in the latch seat 201 and are riveted and fixed by a rivet 207;
preferably, the moving contact piece 204 is connected with the bimetallic strip 101 through a wire;
preferably, the pin 206 is located at the left side of the latch assembly 2 and mounted on the housing 3, the trip spring 205 is connected to the moving contact member 204 at one end, and is connected to the pin 206 at the other end,
the upper end of the lock catch seat 201 is provided with a back-off 2011, the lower end of the jump button 203 is provided with a boss 2031, the back-off 2011 is matched with the boss 2031, the jump button 203 is connected with a rotating piece 7 through a balance pull rod 6, the rotating piece 7 is rotatably arranged on the shell 3, and the rotating piece is connected with an operating mechanism.
Preferably, the right side of the latch seat 201 is provided with a limiting round table 2013, the pair Jin Lagan 209 is in an 'L' -shape, one end of the pair Jin Lagan is connected to the latch seat 201, the other end of the pair of the latch seats is connected to the bimetal 101, and the corner of the pair of the bimetallic strips is clamped below the limiting round table 2013 to drive the latch seat 201 to rotate.
Preferably, the reset spring 208 is sleeved on the lock catch seat 201, one end of the reset spring is fixed, and the other end of the reset spring is clamped on a convex buckle at the upper end of the middle connecting piece 202;
preferably, the upper end of the moving contact piece 204 is provided with a wire welding part 2041, the lower end is provided with a moving contact 2042, and the lower part of the moving contact piece 204 is provided with a fixed contact piece 401.
Preferably, the operating mechanism comprises an operating handle 9 and a connecting rod 8, the operating handle 9 is rotatably arranged on the shell 3, and the operating handle 9 and the rotating piece 7 are connected through the connecting rod 8.
Preferably, the movable contact member 204 is riveted with the intermediate coupling member 202 by being provided with a second rivet 2022, and the latch base 201 is riveted with the latch 203 by being provided with a third rivet 2021.
Preferably, the support is including the regulation support, the support, fixed bolster and the striking portion that connect gradually, adjust support, the range upon range of arranging of fixed bolster, adjust the support and be located the top of support, support is located the top of fixed bolster, the support is connected to the one end of adjusting the support, the other end is equipped with the bimetallic strip welding face, the bimetallic strip welding face is connected bimetallic strip, the bimetallic strip other end is used for connecting the operating device of circuit breaker, the support other end extends to between and the fixed bolster middle part downwardly extending respectively and is connected and form the striking portion.
Preferably, the bimetal is located above the support.
Preferably, the screw hole is formed in the adjusting support, the adjusting bolt is mounted on the screw hole, the bottom end of the adjusting bolt abuts against the supporting support and the shell, the sealing cover is further arranged right above the adjusting bolt and used for preventing people from screwing the adjusting bolt at will, so that the product is protected and loses efficacy, and when the adjusting bolt needs to be screwed, the sealing cover is taken down.
Preferably, the fixed bolster is wide face setting to both sides conflict to casing 3 are fixed, and regulation support, support frame are narrow noodle type setting, and on one side with fixed bolster side parallel and level, bimetallic strip welding face sets up in regulation support side.
Preferably, the adjusting bracket is connected with the supporting bracket in an arc manner, and the connecting parts of the adjusting bracket, the supporting bracket, the fixing bracket and the arc striking part are in smooth transition.
Advantageous effects
The bimetallic strip welding surface extends on the support for welding the bimetallic strip, so that a gap between the bimetallic strip and the shell is enlarged, the bimetallic strip is lifted, the bimetallic strip is positioned above the support, wiring is facilitated, the mutual influence with the support is avoided, and the double-gold pull rod is not provided with a limiting groove on the shell, so that the section of a copper wire can be arranged more, the double-gold can not be connected with the rest part of the wire, and the working stability of the double-gold is influenced;
the double-gold pull rod is directly placed on the lock catch assembly and matched with the limiting round table on the lock catch assembly, so that the double-gold pull rod is directly matched with the lock catch assembly, the pull rod is not matched with the shell, the working reliability of the double-gold pull rod is ensured, and a large-size wire can not interfere with the movement of the mechanism.
The arc that can reset is taken on the support, and the nut of adjusting screw is cancelled simultaneously, attacks the screw on the bi-metal support, utilizes the arc of support to provide the restoring force after the screw unscrews, conveniently adjusts bimetallic strip, makes it can resume initial position, improves assembly efficiency simultaneously.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an exploded view of a dual gold assembly of the present invention;
FIG. 3 is an exploded view of the latch assembly of the present invention;
FIG. 4 is a schematic view of a latch base according to the present invention;
FIG. 5 is an exploded view of a portion of the structure of the latch assembly of the present invention;
FIG. 6 is a schematic diagram of a closing state structure according to the present invention;
FIG. 7 is a schematic diagram of the critical state structure of the present invention;
FIG. 8 is a schematic diagram of a split-gate structure according to the present invention;
FIG. 9 is a schematic cross-sectional view of the present invention;
in fig. 1 to 9, the correspondence between the component names and the reference numerals is:
the double-metal assembly 1, the bimetallic strip 101, the adjusting screw 102, the bracket 103, the lock catch assembly 2, the lock catch seat 201, the back-off 2011, the mounting seat 2012, the limiting round table 2013, the riveting seat 2014, the double-metal pull rod connecting hole 2015, the middle connecting piece 202, the third rivet 2021, the second rivet 2022, the jump buckle 203, the boss 2031, the balance pull rod connecting hole 2032, the moving contact piece 204, the wire welding part 2041, the moving contact 2042, the trip spring 205, the pin shaft 206, the first rivet 207, the return spring 208, the double Jin Lagan 209, the shell 3, the wire inlet terminal 4, the fixed contact piece 401, the balance pull rod 6, the rotating piece 7, the connecting rod 8 and the operating handle 9.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present invention are within the scope of protection of the present invention.
Furthermore, it should be understood that references to "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships illustrated in the drawings, and are merely for purposes of describing the present invention, and do not indicate or imply that the device or element being referred to must have this particular orientation, operate in a particular orientation configuration, and thus should not be construed as limiting the present invention.
As shown in fig. 1 to 9:
the utility model provides a hot-blast main assembly of plug-in circuit breaker, includes bight subassembly 1, hasp subassembly 2, inlet wire terminal 4, casing 3 and operating device, its characterized in that: the double-gold assembly 1, the lock catch assembly 2, the wire inlet terminal 4 and the operating mechanism are arranged in the shell 3, the wire inlet terminal 4 is electrically connected with the double-gold assembly 1, the double-gold assembly 1 comprises a double-metal sheet 101 and a support 103, and the double-metal sheet 101 is arranged on the support 103;
the latch assembly 2 comprises a latch seat 201, an intermediate coupling member 202, a latch 203, a movable contact member 204, a trip spring 205, a pin shaft 206, a first rivet 207, a return spring 208 and a pair Jin Lagan, wherein the latch seat 201 is rotatably arranged on the shell 3, the movable contact member 204 is nested in the middle of the intermediate coupling member 202, the latch 203 is rotatably arranged at the top of the intermediate coupling member 202, the movable contact member 204 and the intermediate coupling member 202 are nested in the latch seat 201, and are riveted and fixed by a rivet 207;
wherein, the movable contact piece 204 is connected with the bimetallic strip 101 by a wire;
the pin 206 is located at the left side of the latch assembly 2 and is mounted on the housing 3, one end of the trip spring 205 is connected to the moving contact piece 204, and the other end is connected to the pin 206, when the bimetal 101 works, the latch seat 201 is driven to separate from the trip button 203, and the trip spring 205 separates the moving contact piece 204 from the fixed contact piece 401 to break the power.
Wherein, the upper end of the latch seat 201 is provided with a back-off 2011, the lower end of the jump buckle 203 is provided with a boss 2031, the back-off 2011 is engaged with the boss 2031, the jump buckle 203 is connected with the rotating member 7 through the balance pull rod 6, the rotating member 7 is rotatably arranged on the housing 3, the rotating member 7 is connected with an operating mechanism, the rotating member 7 maintains a balanced state with the latch assembly 2 through the balance pull rod 6 after rotating past a solid point, and the balanced state is broken when being subjected to a certain external force.
Wherein, the latch seat 201 right side is provided with spacing round platform 2013, two Jin Lagan 209 are 'L' type, one end is connected on latch seat 201, bimetallic strip 101 is connected to the other end and corner card is in spacing round platform 2013 below, drive latch seat 201 and rotate, after passing through carrying current when certain time, its bimetallic strip 101 can be heated crooked and drive with latch assembly 2 complex two Jin Lagan 209 for it drives spacing round platform 2013 and then drives latch seat 201 motion, thereby make back-off 2011 and boss 2031 separation, the mechanism balance is destroyed, pull back the mechanism under the effect of spring, at this moment the moving contact also separates with the static contact.
The reset spring 208 is sleeved on the lock catch seat 201, one end of the reset spring is fixed, and the other end of the reset spring is clamped on a convex buckle at the upper end of the middle connecting piece 202, so that the jump buckle 203 on the middle connecting piece 202 is always abutted with the lock catch seat 201 under the action of no external force;
the upper end of the moving contact piece 204 is provided with a wire welding part 2041, the lower end is provided with a moving contact 2042, the lower part of the moving contact piece 204 is provided with a fixed contact piece 401, and the fixed contact piece 401 is correspondingly provided with a fixed contact.
Wherein, operating device includes operating handle 9 and connecting rod 8, and operating handle 9 rotates and sets up on casing 3, and operating handle 9 and rotating member 7 pass through connecting rod 8 to be connected, and operating handle 9 can drive rotating member 7 rotation, and then drives latch assembly 2 and carry out the combined floodgate and break brake operation.
The movable contact 204 and the intermediate coupling member 202 are riveted by the second rivet 2022, and the latch base 201 and the latch 203 are riveted by the third rivet 2021.
Wherein, support 103 is including the regulation support, the support frame, fixed bolster and the striking portion that connect gradually, adjust support, the support frame, parallel range upon range of from top to bottom is arranged about the fixed bolster, it is located the top of support frame to adjust the support frame, the support frame is located the top of fixed bolster, the one end connection support frame of regulation support, the other end is equipped with the bimetallic strip welding face, bimetallic strip welding face connects bimetallic strip, the bimetallic strip other end is used for connecting two Jin Lagan 209, the support frame other end extends to the centre and the fixed bolster middle part downwardly extending respectively and connects and form the striking portion.
Wherein, bimetallic strip is located above support 103 to avoid the interaction between wires and support 103.
The adjusting bracket is provided with a screw hole, the screw hole is provided with an adjusting bolt 102, the bottom end of the adjusting bolt is propped against the supporting bracket, the shell 3 is also provided with a sealing cover 1021, the sealing cover 1021 is arranged right above the adjusting bolt 102 and used for preventing a person from randomly screwing the adjusting bolt to cause product protection failure, and when the adjusting bolt needs to be screwed, the sealing cover 1021 is taken down, and the position of the bimetallic strip 101 is adjusted by a tool.
Wherein, the fixed bolster is wide face setting to the both sides are contradicted the casing and are fixed, and adjusting support, support frame are the noodless setting, and on one side and fixed bolster side parallel and level, the activity space of letting out bimetallic strip 101 avoids interfering.
Wherein, bimetallic strip welding surface sets up in adjusting support side, and the surface is provided with the solder joint and is used for welding bimetallic strip 101.
Wherein, adjust the support and be connected with support circular arc, utilize the circular arc of support to provide the restoring force after the screw unscrews, conveniently adjust bimetallic strip, make it can resume initial position, improve assembly efficiency simultaneously.
The joints of the adjusting bracket, the supporting bracket, the fixing bracket and the arc striking part are smooth transition.
Wherein, the casing 3 is provided with a corresponding limiting or fixing mechanism for installing or fixing each component, which is not described in detail herein.
Working principle: after passing through the current-carrying device for a certain time, the bimetallic strip 101 is heated and bent and drives the double Jin Lagan 209 matched with the lock catch assembly 2, so that the bimetallic strip drives the limiting round table 2013 to drive the lock catch seat 201 to rotate, the back-off 2011 is separated from the boss 2031, the mechanism balance is destroyed, the mechanism is pulled back under the action of the spring, at the moment, the moving contact is also separated from the fixed contact, the circuit is protected, and the switching device is reclosed through the operating handle 9 after the circuit is restored, so that the power supply is restored.
Claims (4)
1. The utility model provides a hot adjustment system subassembly of plug-in type circuit breaker, includes bight subassembly, hasp subassembly, inlet wire terminal, casing and operating device, its characterized in that: the double-gold assembly, the lock catch assembly, the wire inlet terminal and the operating mechanism are arranged in the shell, the wire inlet terminal is electrically connected with the double-gold assembly, the double-gold assembly comprises a bimetallic strip and a bracket, and the bimetallic strip is arranged on the bracket;
the latch assembly comprises a latch seat, an intermediate connecting piece, a jump buckle, a moving contact piece, a trip spring, a pin shaft, a first rivet, a reset spring and a double-gold pull rod, wherein the latch seat is rotatably arranged on the shell, the moving contact piece is nested in the middle of the intermediate connecting piece, the jump buckle is rotatably arranged at the top of the intermediate connecting piece, and the moving contact piece and the intermediate connecting piece are nested in the latch seat and are riveted and fixed by a rivet;
the movable contact piece is connected with the bimetallic strip wire;
the pin shaft is positioned at the left side of the lock catch assembly and is arranged on the shell, one end of the tripping spring is connected to the moving contact piece, the other end is connected to the pin shaft,
the upper end of the lock catch seat is provided with an inverted buckle, the lower end of the inverted buckle is provided with a boss, the inverted buckle is matched with the boss, the inverted buckle is connected with a rotating piece through a balance pull rod, the rotating piece is rotatably arranged on the shell, the rotating piece is connected with an operating mechanism,
the right side of the lock catch seat is provided with a limiting round table, one end of the double Jin Lagan is connected with the lock catch seat, the other end is connected with the bimetallic strip, the corner is clamped below the limiting round table to drive the lock catch seat to rotate,
the reset spring is sleeved on the lock catch seat, one end of the reset spring is fixed on the lock catch seat, and the other end of the reset spring is clamped on the convex buckle at the upper end of the middle connecting piece;
the support comprises an adjusting support, a supporting support, a fixing support and an arc striking part which are sequentially connected, wherein the adjusting support, the supporting support and the fixing support are arranged in a stacked mode, the adjusting support is located above the supporting support, the supporting support is located above the fixing support, one end of the adjusting support is connected with the supporting support, the other end of the adjusting support is provided with a bimetallic strip welding surface, the bimetallic strip welding surface is connected with a bimetallic strip, the other end of the bimetallic strip is used for being connected with an operating mechanism of the circuit breaker, and the other end of the supporting support extends downwards between the supporting support and the middle of the fixing support respectively and is connected with the middle of the fixing support to form the arc striking part;
the bimetallic strip is positioned above the bracket;
the adjusting bracket is provided with a screw hole, an adjusting bolt is arranged on the screw hole, the bottom end of the adjusting bolt props against the supporting bracket, and the shell is also provided with a sealing cover which is arranged right above the adjusting bolt;
the fixing support is wide-surface and two sides of the fixing support are abutted against the shell for fixing, the adjusting support and the supporting support are narrow-surface type, one side of the adjusting support is parallel and level to the side of the fixing support, and the bimetal welding surface is arranged on the side of the adjusting support;
the adjusting support is connected with the supporting support in an arc mode, and the connecting positions of the adjusting support, the supporting support, the fixing support and the arc striking part are in smooth transition.
2. The plug-in circuit breaker thermal conditioning system assembly of claim 1, wherein the moving contact piece is provided with a wire weld at an upper end and a moving contact at a lower end, and a stationary contact piece is provided below the moving contact piece.
3. The plug-in circuit breaker thermal conditioning system assembly of claim 1, wherein the operating mechanism comprises an operating handle and a linkage, the operating handle rotatably disposed on the housing, the operating handle being connected to the linkage.
4. The plug-in circuit breaker thermal conditioning system assembly of claim 1, wherein the moving contact piece is riveted with the intermediate coupling piece by being provided with a second rivet, and the latch base is riveted with the trip by being provided with a third rivet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210176769.3A CN114464506B (en) | 2022-02-25 | 2022-02-25 | Plug-in circuit breaker thermal regulation system assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210176769.3A CN114464506B (en) | 2022-02-25 | 2022-02-25 | Plug-in circuit breaker thermal regulation system assembly |
Publications (2)
Publication Number | Publication Date |
---|---|
CN114464506A CN114464506A (en) | 2022-05-10 |
CN114464506B true CN114464506B (en) | 2024-04-12 |
Family
ID=81416058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210176769.3A Active CN114464506B (en) | 2022-02-25 | 2022-02-25 | Plug-in circuit breaker thermal regulation system assembly |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN114464506B (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206422027U (en) * | 2017-01-04 | 2017-08-18 | 浙江正泰电器股份有限公司 | Circuit breaker operation mechanism |
CN212010878U (en) * | 2020-05-06 | 2020-11-24 | 德力西电气有限公司 | Overload protection mechanism of plug-in circuit breaker |
CN112885670A (en) * | 2019-11-29 | 2021-06-01 | 上海良信电器股份有限公司 | Thermal release and circuit breaker |
CN113539759A (en) * | 2020-04-20 | 2021-10-22 | 施耐德电气(中国)有限公司 | Breaker and 5G power distribution cabinet with same |
CN214542100U (en) * | 2021-04-01 | 2021-10-29 | 浙江天正电气股份有限公司 | Circuit breaker |
CN217086507U (en) * | 2022-02-25 | 2022-07-29 | 江西航同电气科技有限公司 | Plug-in circuit breaker hot adjustment system assembly |
-
2022
- 2022-02-25 CN CN202210176769.3A patent/CN114464506B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206422027U (en) * | 2017-01-04 | 2017-08-18 | 浙江正泰电器股份有限公司 | Circuit breaker operation mechanism |
CN112885670A (en) * | 2019-11-29 | 2021-06-01 | 上海良信电器股份有限公司 | Thermal release and circuit breaker |
CN113539759A (en) * | 2020-04-20 | 2021-10-22 | 施耐德电气(中国)有限公司 | Breaker and 5G power distribution cabinet with same |
CN212010878U (en) * | 2020-05-06 | 2020-11-24 | 德力西电气有限公司 | Overload protection mechanism of plug-in circuit breaker |
CN214542100U (en) * | 2021-04-01 | 2021-10-29 | 浙江天正电气股份有限公司 | Circuit breaker |
CN217086507U (en) * | 2022-02-25 | 2022-07-29 | 江西航同电气科技有限公司 | Plug-in circuit breaker hot adjustment system assembly |
Also Published As
Publication number | Publication date |
---|---|
CN114464506A (en) | 2022-05-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2020135386A1 (en) | Miniature circuit breaker | |
US5296827A (en) | Circuit breaker with magnetic shield | |
CA2502808C (en) | Terminal support for a circuit breaker trip unit | |
KR101492222B1 (en) | A Trip-device of earth leakage breker | |
KR102124797B1 (en) | bending press type temperature detecting circuit breaker | |
CN217086507U (en) | Plug-in circuit breaker hot adjustment system assembly | |
CN114464506B (en) | Plug-in circuit breaker thermal regulation system assembly | |
CN211828666U (en) | Small-sized circuit breaker | |
EP0797834B1 (en) | Interface connection for a circuit breaker plug-in trip unit | |
WO2020135410A1 (en) | Miniature circuit breaker | |
JP4905112B2 (en) | Circuit breaker overcurrent trip device | |
CN108022812B (en) | Circuit breaker with magnetic release | |
CN210897163U (en) | Circuit breaker | |
WO2021175113A1 (en) | Miniature circuit breaker | |
KR102124798B1 (en) | cross bar press type temperature detecting circuit breaker | |
CN217182125U (en) | Low-cost moulded case circuit breaker | |
CN217086506U (en) | Overload protection mechanism of plug-in circuit breaker | |
CN216054542U (en) | Operating mechanism of circuit breaker | |
CN219553554U (en) | Thermal trip device and circuit breaker | |
KR102135899B1 (en) | trip-bar pressing type temperature detecting circuit breaker | |
CN215496589U (en) | Circuit breaker with electric leakage release | |
CN216624177U (en) | Moving contact and operating mechanism of miniature circuit breaker | |
CN220456332U (en) | Overload tripping structure and circuit breaker | |
CN211479966U (en) | Novel circuit breaker with clamped upper arc striking plate | |
CN217426654U (en) | Small-sized circuit breaker |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |