CN209169084U - Breaker - Google Patents
Breaker Download PDFInfo
- Publication number
- CN209169084U CN209169084U CN201920089022.8U CN201920089022U CN209169084U CN 209169084 U CN209169084 U CN 209169084U CN 201920089022 U CN201920089022 U CN 201920089022U CN 209169084 U CN209169084 U CN 209169084U
- Authority
- CN
- China
- Prior art keywords
- shaft
- shell
- lever
- synchronizing shaft
- breaker
- 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
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model provides a kind of breaker, including disjunction unit, lever, synchronizing shaft and operating mechanism.Disjunction unit includes moving contact, static contact and the main shaft on the inside of closed shell.Moving contact is mounted on main shaft, and main shaft is configured to rotate around first rotating shaft.Lever is located at the outside of shell, is configured to rotate around the second shaft.Synchronizing shaft passes through the shell, and is parallel to first rotating shaft and the extension of the second shaft, and synchronizing shaft is installed to main shaft in the inside of shell, installed in the outside of shell to lever.Operating mechanism is located at the outside of shell, connects and activation lever rotation, lever are rotated via synchronizing shaft driving spindle.According to the utility model, due to shell be it is closed, the disjunction of moving contact and static contact and closure not will receive the interference of external environment；Moreover, short circuit advantageously forms bigger air pressure elongating arc when occurring in the environment of closing, it is more advantageous to arc extinction, to improve the interrupting performance of breaker.
Description
Technical field
The utility model relates to circuit-breakers.
Background technique
Breaker is common electrical equipment, (for example, overload when being used to flow through excessive improper electric current in circuit
Or short circuit) circuit is automatically shut off, to protect the safety of equipment and personnel.Breaker includes be respectively connected to connecting terminal quiet
Contact and moving contact, the two form normally closed breakpoint.When needing disjunction, moving contact by operating mechanism rotate and and stationary contact
Head disconnects, thus disconnecting circuit.Arc-chutes are for extinguishing the electric arc generated between moving contact and static contact.
According to the quantity of breakpoint, breaker can distinguish dual-interruption point breaker and single-breakpoint circuit breaker.Dual-interruption point breaker
Including being arranged symmetrically and two moving contacts rotating simultaneously, with respective static contact closing or opening, to need two respectively
Group arc-chutes.Different, single-breakpoint circuit breaker only includes a pair of of moving contact and static contact, it is only necessary to one group of arc-chutes, Ke Yixian
It lands and reduces breaker volume, reduces cost.However, in the single-breakpoint circuit breaker of the prior art, the lower link of operating mechanism
It is connected directly to the main shaft with movable contact linkage, is limited to the volume of inner space, main axis limited angle is opened away from smaller；
Moreover, moving contact and static contact are commonly exposed to external environment, so that disjunction acts the influence vulnerable to external environment.
Accordingly, it is desired to provide a kind of breaker with improved breaking capacity.
Utility model content
Utility model aims to solve at least one problems caused by the prior art.More precisely, this is practical
Novel is designed to provide a kind of breaker with improved breaking capacity.
The utility model provides a kind of breaker, including disjunction unit comprising moving contact, static contact, main shaft and envelope
The shell of enclosed, moving contact, static contact and main shaft are respectively positioned on the inside of shell, and moving contact is mounted on main shaft, and main shaft is configured to
It is rotated between the first main spindle's and the second main spindle's at a distance of first angle around first rotating shaft, in the first main spindle's
Place, movable contact and stationary contact point contact, at the second main spindle's, movable contact and stationary contact disjunction.Lever is located at the outside of shell,
It is configured to rotate around the second shaft, the second shaft is parallel to first rotating shaft.Synchronizing shaft passes through the shell, and is parallel to first
Shaft extends, and in the inside of the shell, synchronizing shaft is installed to main shaft, and in the outside of the shell, synchronizing shaft is installed to lever.
Operating mechanism, positioned at the outside of shell, operating mechanism is connected to lever, and is configured to activation lever rotation second angle, so that
Lever rotates the first angle via synchronizing shaft driving spindle.
According to the utility model, moving contact and static contact are located at closed enclosure interior, the disjunction of moving contact and static contact
The interference of external environment is not will receive with closure；Moreover, short circuit advantageously forms bigger gas when occurring in the environment of closing
Pressure, elongating arc is more advantageous to arc extinction, to improve the interrupting performance of breaker.
In a first aspect, first rotating shaft and the second shaft can not be overlapped, also, first rotating shaft is more compared to the second shaft
Close to synchronizing shaft, so that first angle is greater than second angle.In this case, it is possible to utilize the lever master of Small-angle Rotation
Axis is rotated with greater angle, increases the opening away from quickly extinguishing electric arc, improve the safety of breaker of breaker.
Optionally, the first end of lever is rotatably connected to the lower link of operating mechanism, and the second end of lever, which has, to be slided
Slot, second end and first end are located at the two sides of the second shaft, and synchronizing shaft receives in sliding slot, when lever turns over second angle,
Synchronizing shaft is slided along sliding slot, while driving spindle turns over first angle.Still optionally further, the first end of lever can be via
Rivet is rotatably connected to the lower link of operating mechanism.
In second aspect, first rotating shaft and the second shaft can be overlapped, so that first angle is equal to second angle.It is optional
Ground, breaker can also include the second synchronizing shaft, pass through the shell and are arranged, in the inside of the shell, the second synchronizing shaft
For place's installation to main shaft, in the outside of the shell, the second synchronizing shaft passes through the first end of lever and the lower link of operating mechanism, makes
The lower link of the first end and operating mechanism that obtain lever is rotatably coupled.In the case, breaker can use two together
The rotation of axis driving spindle is walked, to improve the stationarity of moving contact movement, synchronous axle load is reduced, improves reliability.
Optionally, the second end of lever can have circular hole, and the synchronizing shaft receives the synchronizing shaft in the circular hole
It is symmetrical about first rotating shaft and the second shaft with second synchronizing shaft.
Optionally, breaker can also include: reserve protection, be located at the inside of the shell；Release lever, position
In the outside of the shell；Tripping synchronizing shaft passes through the shell and is arranged, in the inside of the shell, synchronizing shaft peace of threading off
It is filled to reserve protection, in the outside of the shell, synchronizing shaft of threading off is installed to release lever, when the electric current for flowing through breaker is super
When crossing threshold value, reserve protection makes operating mechanism thread off via release lever.
Optionally, reserve protection may include: static gag bit, be fixed to the first connecting terminal；Moving armature is fixed
To moving armature bracket, moving armature bracket is fixed to tripping synchronizing shaft；Spring, apply spring force keep static gag bit and moving armature that
This is separate；When flowing through the controller of the first connecting terminal, moving armature overcomes spring force court under the action of electromagnetic force
Static gag bit is mobile, drives moving armature bracket and tripping synchronizing shaft rotation.
Optionally, disjunction unit can only include single pair of moving contact and static contact.In the case, the utility model
Single-breakpoint circuit breaker is provided, has the advantages that volume compact, high reliablity.
Optionally, breaker can also include the second disjunction unit comprising the second moving contact, the second static contact, second
Main shaft and enclosed second shell, the second moving contact, the second static contact and the second main shaft are respectively positioned on the inside of second shell.Institute
The outside that lever is located at second shell is stated, the synchronizing shaft passes through second shell, and installs in the inside of second shell to second
Main shaft.The operating mechanism connection and activation lever rotate second angle, and the lever is via the synchronizing shaft driving master
Axis and second main shaft rotate synchronously the first angle.In the case, multiple disjunction units in breaker can be with
Respectively for the electric current of the independent phase of disjunction, moreover, shared synchronizing shaft can drive multiple disjunction units synchronously disjunction or to close
It closes.
Optionally, breaker by means of shared synchronizing shaft simultaneous break or can be closed with three or four disjunction units
It closes.
Detailed description of the invention
The following drawings is used to that some embodiments of the utility model to be preferably presented in conjunction with the explanation of this paper, is used for power of interpretation
The various features and its advantage limited in sharp claim.In the drawings, identical appended drawing reference indicates identical or corresponding portion
Point.
Fig. 1 shows the decomposition perspective view of breaker according to the present utility model；
Fig. 2 shows that breaker according to first embodiment is in the partial side elevation view of closed state；
Fig. 3 shows that breaker according to first embodiment is in the partial side elevation view of disjunction state；
Fig. 4 shows the partial side elevation view of breaker according to the second embodiment；
Fig. 5 shows the part side view cutaway drawing of breaker according to the second embodiment.
Appended drawing reference
1 shell, 10 synchronizing shaft
2 moving contact, 11 second synchronizing shaft
3 static contact, 12 reserve protection
4 main shaft, 121 static gag bit
5 first connecting terminal, 122 moving armature
6 second connecting terminal, 123 spring
7 lever, 124 moving armature bracket
71 sliding slot, 13 release lever
8 operating mechanisms 14 tripping synchronizing shaft
81 handle, 15 bracket
82 upper connecting rod, 16 bronze medal braided wire
83 lower link, 17 arc-chutes
84 first bar A first rotating shafts
85 second the second shafts of bar B
86 third bar U disjunction units
9 rivets
Specific embodiment
Breaker can be via the installation of two connecting terminals in circuit, when detecting operating trouble (for example, short circuit or mistake
When electric current), it can be with the electric current in interrupt circuit.Fig. 1 shows the decomposition perspective view of the breaker according to an embodiment.Breaker
There are three disjunction unit U, each disjunction unit U arranged side by side for the one-phase circuit in three-phase circuit for tool.Three disjunction unit U can
With structure having the same, so as to exchange.Disjunction unit U is installed by the substrate and lid of breaker.In other implementation
In example, breaker may include the same or similar disjunction unit of the structure of (for example, one, two, four) of other quantity.
As shown in Figure 1, each disjunction unit U have enclosed shell 1, can be bolted by two half shells and
At." closed " refers to, the electric components such as internal moving contact, static contact and external environment are substantially isolated and are come by shell 1, removes
The non-small orifices opened up for specific purpose, wear for example, can be set on 1 side wall of shell at least one synchronizing shaft 10
The hole crossed or slot.The components such as moving contact, static contact, arc-chutes, the main shaft of disjunction unit U are respectively positioned on the inside of closing shell 1.By
This, shell 1 can protect internal electric component not by extraneous adverse effect, particularly, in separated moving contact and static contact
When, the electric arc formed therebetween not will receive the influence of external environment, can reliably be extinguished by arc-chutes.Moreover, closing
Shell 1 limits internal gas, helps to form bigger air pressure in short circuit, and elongating arc is more advantageous to arc extinction, thus
Improve the interrupting performance of breaker.
Breaker has operating mechanism 8, for driving the main axis being located inside shell 1, then moving contact is driven to turn
It is dynamic, realize disjunction.Operating mechanism 8 can be operated and realize manual disjunction, trip gear is also can use and realize automatic disjunction.In order to
Operating mechanism 8 is installed in the outside of shell 1, breaker shown in FIG. 1 provides two brackets 15, is separately mounted to occupy
Between disjunction unit U two side walls on, operating mechanism 8 is mounted between two brackets 15.Operating mechanism 8 can be via at least
One synchronizing shaft drives the main axis of at least one disjunction unit U.As shown in Figure 1, synchronizing shaft 10 extends to three points
The inside of disconnected unit U, the main shaft being mounted respectively to inside each disjunction unit U allow three disjunction unit U synchronously disjunctions
And closure.Near bracket 15, synchronizing shaft 10 is connected to the lower link of operating mechanism 8, to receive driving force.
Fig. 2 and Fig. 3 shows the closed state and disjunction state of the breaker of first embodiment according to the present utility model.For
It shows internal structure, the front portion of shell 1 is not shown.Moving contact 2 is mounted on main shaft 4, and can be surrounded with main shaft 4
First rotating shaft A rotation, moving contact 2 are electrically connected to the first connecting terminal 5 via flexible deformation and mobile copper braided wire 16；Stationary contact
Head is fixedly installed to shell 1, is electrically connected to the second connecting terminal 6.Under normal circumstances, the electric current in circuit is less than threshold
Value, breaker keep closed state shown in Fig. 2, wherein moving contact 2 is in the first angle position extended downwardly, and with it is quiet
Contact 3 contacts, so that electric current be allowed to flow through the first connecting terminal 5 and the second connecting terminal 6.Under abnormal condition, in circuit
Controller, such as in circuit occur overload or short trouble, operating mechanism 8 is manually or automatically actuated, and is driven
Dynamic main shaft 4 rotates, and moving contact 2 is caused to turn to
The second angle position shown in Fig. 3 upwardly extended, and with 3 disjunction of static contact.Arc-chutes 17 are arranged in moving contact 2
It near static contact 3, can quickly extinguish electric arc, avoid that safety accident occurs.
As shown in Figures 2 and 3, operating mechanism 8 includes handle 81, upper connecting rod 82 and lower link 82.Handle 81 is via energy storage bullet
Spring is connected to upper connecting rod 82, and the lower end of upper connecting rod 82 is rotatably connected to the upper end of lower link 82, and the lower end of lower link 82 can
It is rotatably connected to the right end of lever 7.When handle 81 turns to disjunction position shown in Fig. 3 from closed position shown in Fig. 2,
Energy-stored spring discharges potential energy, and upper connecting rod 82 is promoted to rotate clockwise certain angle, and lower link 82 is driven to turn over certain angle counterclockwise
Degree, then the right end of pull lever 7 moves up a distance.
Lever 7 is configured to rotate around the second shaft B, and the right end of lever 7 is rotatably connected to lower link 82, this
In one embodiment, lever 7 and lower link 82 are rotatably coupled using a rivet 9.In other embodiments, pin can also be used
Other rotation connection structures such as nail.The left end of lever 7 is provided with sliding groove 71.Synchronizing shaft 10 receives in sliding groove 71, can be with
It is moved with the swing of lever 7 along sliding groove 71.Synchronizing shaft 10 extends through shell 1, and the inside of shell 1 install to
Main shaft 4.As shown in figure 3, synchronizing shaft 10 be parallel to main shaft 4 first rotating shaft A and lever 7 the second shaft B extend, and with the two
It is spaced apart.As a result, when lever 7 is around the second shaft B rotation second angle, sliding groove 71 pushes synchronizing shaft 10 mobile, thus
Driving spindle 4 rotates first angle around first rotating shaft A.
In this first embodiment, the second shaft B of the first rotating shaft A of main shaft 4 and lever 7 is not overlapped, but is spaced
One distance.Moreover, middle position of the second shaft B not at lever 7, and compared to sliding groove 71 closer to rivet 9.?
In this case, on lever 7, the arm of force of rivet 9 is less than the arm of force of synchronizing shaft 10, therefore, compared to rivet 9 move up away from
From the distance that synchronizing shaft 10 moves down is bigger.Further, the second shaft B of lever 7 is arranged as first compared to main shaft 4
Shaft A is further from synchronizing shaft 10.In the case, the rotational angle of main shaft 4 will be greater than the rotational angle of lever 7.It compares as a result,
It is overlapped the case where being arranged in first rotating shaft A and the second shaft B, the present embodiment is realized using the upward stroke of lesser rivet 9
The rotational angle of biggish main shaft 4, so that disjunction state lower moving contact 2 and the separated distance of static contact 3 (referred to as " are opened
Away from ") bigger, help to realize more preferably disjunction effect.Moreover, this design also extremely has the volume for reducing breaker
Benefit, because without designing more complicated, higher volume of operating mechanism 8 to meet the bigger upward stroke of rivet 9.
Fig. 4 and Fig. 5 shows the breaker of second embodiment according to the present utility model.The cross-sectional view of Fig. 5 removes Fig. 4
In front housing parts, the components such as bracket, preferably to show internal structure.Second embodiment and described above first
Embodiment is substantially the same, and the main distinction is the first rotating shaft A of main shaft 4 and the second shaft B of lever 7 is to be overlapped, such as Fig. 4
Shown in side view.In the case, the rotational angle of main shaft 4 is equal to the rotational angle of lever 7.In addition, not with first embodiment
Together, the lower end of lower link 83 is not connected to lever 7 via rivet 9, but (referred to as " second is synchronous via another synchronizing shaft 11
Axis ") it is connected to the right end of lever 7, as shown in Figure 4.Second synchronizing shaft 11 again extends through shell 1, and is parallel to first turn
Axis A and the second shaft B, particularly, the second synchronizing shaft 11 and the first synchronizing shaft 10 are arranged symmetrically about first rotating shaft A.In shell 1
Inside, the installation of the second synchronizing shaft 11 is to the another location on main shaft 4.In the outside of shell 1, the second synchronizing shaft 11 is extended through
Lever 7 and lower link 83, as rotating connector between the two.In the case, lever 7 can be symmetrical arranged via two
Synchronizing shaft 10 and 11 drive main shaft 4 rotate so that main shaft 4 is more steady together with the rotation process of moving contact 2.Moreover, rotation
Torque is distributed on two synchronizing shafts, can reduce the stress on single synchronizing shaft, improves reliability.In addition, being rotated in lever 7
Period, synchronizing shaft 10 is constant relative to the distance of lever 7, therefore synchronizing shaft 10 rotationally receives in the circular hole on lever 7,
Rather than the sliding slot in first embodiment.
As shown in figure 4, the outside mounting bracket 15 of shell 1, can support the part of the second shaft B, it is turning for lever 7
It is dynamic that fulcrum is provided.In addition, guiding groove can be set on bracket 15, guidance synchronizing shaft 10 and 11 is smoothly rotated.
Second embodiment and first embodiment described above another difference is that, be provided in the inside of shell 1
Reserve protection 12.Reserve protection 12 is a kind of built-in electromagnetic trip gear, for the case where detecting overcurrent
Lower actuated release bar 13 triggers breaker disjunction.Specifically, reserve protection 12 includes static gag bit 121 and moving armature
122, static gag bit 121 is fixed on the first connecting terminal 5, and moving armature 122 is fixed on moving armature bracket 124, and spring 123 is arranged
Between static gag bit 121 and moving armature 122, away from each other for both biass.Moving armature bracket 124 is arranged to around its shaft
Rotation, also, moving armature bracket 124 and tripping synchronizing shaft 14 coaxially couple.As shown in figure 5, each portion of reserve protection 12
Part is respectively positioned on inside the closed chamber of shell 1, thus will not be by external interference (e.g., electromagnetic interference).It is connect when flowing through first
When the controller of line terminals 5, moving armature 122 under the action of electromagnetic force, overcomes the spring force of spring 123 towards quiet rank
Iron 121 is mobile, and moving armature bracket 124 and tripping synchronizing shaft 14 is driven to rotate.Synchronizing shaft 14 of threading off passes through shell 1, and in shell 1
Outside be fixedly connected and drive release lever 13.It may be noted that reserve protection described herein is merely exemplary, this field
Other previously known or exploitation in the future reserve protections can be used in technical staff.
Operating mechanism 8 can be latched in closed position, and moving contact 2 and static contact 3 is kept to be closed；Meanwhile it can thread off
It threads off under the actuating of bar 13 and turns to disjunction position, promote 3 disjunction of moving contact 2 and static contact.In conjunction with Fig. 5, operating mechanism 8
Latching device may include the first bar 84, the second bar 85 and third bar 86.The right side arc of third bar 86 can abut handle 81
Inside arc, left side arc can abut the pressing face of the second bar 85.The upper end of second bar 85 is upper against the first bar 84
End.Under the bias effect of elastic element, the first bar 84 can apply lock retentivity via the second bar 85 on third bar 86,
Handle 81 is remained closed into position.When release lever 13 rotates, the upper end pushes the lower end of the first bar 84, so that 84 turns of the first bar
It is dynamic.Then, the upper end of the first bar 84 discharges the upper end of the second bar 85, so that the lock that unloading is applied on third bar 86 is kept
Power.At this point, handle 81 turns to disjunction position shown in fig. 5 under the action of energy-stored spring, as described above, via upper company
Bar 82 and lower link 83 drive lever 7 to rotate, and main shaft 4 is then promoted to rotate, and separate movable contact 2 and stationary contact 3.It may be noted that
Latching device described herein is merely exemplary, other previously known or exploitation in the future locks can be used in those skilled in the art
Buckle mechanism.
It is described in detail above for realizing some embodiments of the utility model, it should be appreciated that these embodiments
Effect be only that citing, and do not lie in any way limit the scope of the utility model, be applicable in or construction.The utility model
Protection scope limited by appended claims and its equivalent way.Those skilled in the art can be in the introduction of the utility model
Under many changes are made to foregoing embodiments, these changes each fall within the protection scope of the utility model.
Claims (10)
1. a kind of breaker characterized by comprising
Disjunction unit, including moving contact, static contact, main shaft and enclosed shell, moving contact, static contact and main shaft are respectively positioned on shell
The inside of body, moving contact are mounted on main shaft, and main shaft is configured to around first rotating shaft in the first main shaft position at a distance of first angle
It sets and is rotated between the second main spindle's, at the first main spindle's, movable contact and stationary contact point contact, in the second main spindle's
Place, movable contact and stationary contact disjunction；
Lever, positioned at the outside of shell, lever arrangement is to rotate around the second shaft, and the second shaft is parallel to first rotating shaft；
Synchronizing shaft passes through the shell, and is parallel to first rotating shaft extension, and in the inside of the shell, synchronizing shaft is installed to master
Axis, in the outside of the shell, synchronizing shaft is installed to lever；And
Operating mechanism, positioned at the outside of shell, operating mechanism is connected to lever, and is configured to activation lever rotation second angle,
So that lever rotates the first angle via synchronizing shaft driving spindle.
2. breaker according to claim 1, which is characterized in that
First rotating shaft and the second shaft are not overlapped, also, first rotating shaft compared to the second shaft closer to synchronizing shaft so that first
Angle is greater than second angle.
3. breaker according to claim 2, which is characterized in that
The first end of lever is rotatably connected to the lower link of operating mechanism；
The second end of lever has sliding slot, and second end and first end are located at the two sides of the second shaft, and synchronizing shaft receives in sliding slot,
When lever turns over second angle, synchronizing shaft is slided along sliding slot, while driving spindle turns over first angle.
4. breaker according to claim 3, which is characterized in that
The first end of lever is rotatably connected to the lower link of operating mechanism via rivet.
5. breaker according to claim 1, which is characterized in that first rotating shaft and the second shaft are overlapped, so that first jiao
Degree is equal to second angle.
6. breaker according to claim 5, which is characterized in that further include:
Second synchronizing shaft passes through the shell and is arranged, and is parallel to the synchronizing shaft and extends, in the inside of the shell, second
It is installed at synchronizing shaft to main shaft, in the outside of the shell, the second synchronizing shaft is passed through under the first end and operating mechanism of lever
Connecting rod, so that the first end of lever and the lower link of operating mechanism are rotatably coupled.
7. breaker according to claim 6, which is characterized in that
The second end of lever has circular hole, and the synchronizing shaft receives in the circular hole, and the synchronizing shaft is synchronous with described second
Axis is symmetrical about first rotating shaft.
8. breaker described in any one of -7 according to claim 1, which is characterized in that further include:
Reserve protection is located at the inside of the shell；
Release lever is located at the outside of the shell；
Tripping synchronizing shaft passes through the shell and is arranged, and in the inside of the shell, synchronizing shaft of threading off, which is installed to back-up protection, to be filled
It sets, in the outside of the shell, synchronizing shaft of threading off is installed to release lever, when flowing through the controller of breaker, standby
Protective device makes operating mechanism thread off via release lever.
9. breaker described in any one of -7 according to claim 1, which is characterized in that
The disjunction unit only includes single pair of moving contact and static contact.
10. breaker described in any one of -7 according to claim 1, which is characterized in that further include:
Second disjunction unit, including the second moving contact, the second static contact, the second main shaft and enclosed second shell, second is dynamic
Contact, the second static contact and the second main shaft are respectively positioned on the inside of second shell；
Wherein, the lever is located at the outside of second shell, and the synchronizing shaft passes through second shell, and in the inside of second shell
It installs to the second main shaft；
Wherein, the operating mechanism connection and activation lever rotate second angle, and the lever is via synchronizing shaft driving institute
It states main shaft and second main shaft rotates synchronously the first angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920089022.8U CN209169084U (en) | 2019-01-18 | 2019-01-18 | Breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920089022.8U CN209169084U (en) | 2019-01-18 | 2019-01-18 | Breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209169084U true CN209169084U (en) | 2019-07-26 |
Family
ID=67328668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920089022.8U Active CN209169084U (en) | 2019-01-18 | 2019-01-18 | Breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209169084U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463079A (en) * | 2019-01-18 | 2020-07-28 | 施耐德电器工业公司 | Circuit breaker |
-
2019
- 2019-01-18 CN CN201920089022.8U patent/CN209169084U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463079A (en) * | 2019-01-18 | 2020-07-28 | 施耐德电器工业公司 | Circuit breaker |
| CN111463079B (en) * | 2019-01-18 | 2024-01-23 | 施耐德电器工业公司 | Circuit breaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1939912B1 (en) | Activation for switching apparatus | |
| US9679724B2 (en) | Component for electric power system, and contact assembly and open air arcing elimination method therefor | |
| EP2299460A1 (en) | Electrical switching apparatus and linking assembly therefor | |
| CN107924794B (en) | Breaker with current limliting and high speed failures | |
| CN106409624B (en) | The double-pole cut-out of arranged in series | |
| US9685293B1 (en) | Apparatus and method of blocking and unblocking a breaker handle of a circuit breaker | |
| EP2980827B1 (en) | Panel board to circuit breaker positive retention interlock | |
| CN209169084U (en) | Breaker | |
| EP3382731B1 (en) | Molded case circuit breaker | |
| CN102194617B (en) | Switching device | |
| CN105575737B (en) | A kind of circuit breaker operation mechanism and breaker | |
| CN107887236B (en) | Operating mechanism of miniature circuit breaker | |
| RU2683244C1 (en) | Automatic circuit breaker | |
| JP4215741B2 (en) | Circuit breaker | |
| CN103021749B (en) | Circuit breaker capable of quickly releasing | |
| CN111755296A (en) | Operating element for a plug-in miniature fuse-type switching device | |
| CN111755292A (en) | Fixing buckle of plug-in small-sized fuse type switch device | |
| CN111755298A (en) | Contact support for a plug-in miniature fuse-type switching device | |
| CN111755293A (en) | Plug-in small fuse type switch device | |
| CN104601048A (en) | Operating mechanism of motor starter capable of performing quick breaking | |
| CN111463079B (en) | Circuit breaker | |
| CN216487930U (en) | Combined handle and circuit breaker | |
| CN210156330U (en) | Circuit breaker with electric leakage indication function | |
| CN210778385U (en) | Load switch-fuse combined electrical apparatus | |
| CN212485235U (en) | Fixing buckle of plug-in small-sized fuse type switch device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |