CN107968025B - Compact automatic closing circuit breaker - Google Patents
Compact automatic closing circuit breaker Download PDFInfo
- Publication number
- CN107968025B CN107968025B CN201711417452.XA CN201711417452A CN107968025B CN 107968025 B CN107968025 B CN 107968025B CN 201711417452 A CN201711417452 A CN 201711417452A CN 107968025 B CN107968025 B CN 107968025B
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- contact
- shell
- rocker
- contact system
- 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
Images
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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/18—Means for extinguishing or suppressing arc
Landscapes
- Breakers (AREA)
Abstract
The invention relates to the field of low-voltage electrical appliances, in particular to a compact automatic closing circuit breaker, which comprises a circuit breaker shell, a circuit breaker module and a driving module, wherein the circuit breaker module is arranged in the circuit breaker shell; the first contact system is arranged on one side of the second contact system and comprises a contact mechanism and a first fixed contact, wherein the contact mechanism comprises a connecting rod connected with the supporting piece and a first moving contact connected with the connecting rod; the operating handle is pulled to synchronously close/open the first contact system and the second contact system; the invention has small volume, simple structure and lower cost.
Description
Technical Field
The invention relates to the field of low-voltage electric appliances, in particular to a compact automatic closing circuit breaker.
Background
The existing automatic closing circuit breaker is mainly formed by assembling a driving module and a circuit breaker module, wherein the control module needs to occupy a module space and is complex in driving structure with the circuit breaker module, so that the existing automatic closing circuit breaker is large in size, complex in production process and relatively high in production cost.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a compact automatic closing circuit breaker which is small in size, simple in structure and low in cost.
In order to achieve the purpose, the invention adopts the following technical scheme:
a compact automatic switching-on circuit breaker comprises a circuit breaker shell, a circuit breaker module and a driving module, wherein the circuit breaker module is arranged in the circuit breaker shell;
the circuit breaker module comprises an operating mechanism and a second contact system in driving connection with the operating mechanism, the operating mechanism comprises an operating handle 13, a first transmission rod 14 and a supporting piece 12, one end of the first transmission rod 14 is connected with the operating handle 13, the other end of the first transmission rod is connected with the supporting piece 12, and the second contact system comprises a second moving contact connected with the supporting piece 12 and a second fixed contact matched with the second moving contact for use;
the first contact system is arranged on one side of the second contact system and comprises a contact mechanism and a first fixed contact 213, wherein the contact mechanism comprises a connecting rod 211 connected with the support 12 and a first movable contact 212 connected with the connecting rod 211 and matched with the first fixed contact 213 for use; the operating handle 13 is pulled to synchronously close/open the first contact system and the second contact system.
Preferably, a first partition plate 250 is arranged in the breaker shell, and the breaker shell is divided into a first installation space and a second installation space by the first partition plate 250;
the circuit breaker module and the second contact system thereof are arranged in the first installation space, and the driving module and the first contact system are arranged in the second installation space.
Preferably, the circuit breaker housing comprises a housing main frame 90, and a first side housing 91 and a second side housing 92 which are respectively arranged on two sides of the housing main frame 90 and are matched with the housing main frame, the housing main frame 90 and the first side housing 91 form a first installation space, and the housing main frame 90 and the second side housing 92 form a second installation space; the housing main frame 90 includes a first barrier 250 disposed at a middle portion thereof to isolate the circuit breaker module from the driving module.
Preferably, the driving module comprises a transmission device, the transmission device comprises an output gear 223, a second transmission rod 224 and a swing arm 225, the output gear 223, the second transmission rod 224 and the swing arm 225 are pivotally mounted inside the circuit breaker casing, one end of the second transmission rod 224 is in driving connection with the output gear 223, the other end of the second transmission rod is used for driving the swing arm 225 to rotate, and the swing arm 225 and the operating handle 13 rotate coaxially and synchronously.
Preferably, the operating mechanism further comprises a jump buckle 15 and a lock catch 16 which are rotatably arranged on the support 12, and the jump buckle 15 and the lock catch 16 can be in separable lap joint;
the transmission device further comprises a rocker 228, one end of the rocker 228 is matched with the output gear 223, the other end of the rocker 228 is matched with the latch 16, the output gear 223 rotates to drive the rocker 228 to move, the latch 16 is disengaged from the trip buckle 15, and the breaker module is switched off.
Preferably, a rocker toggle post 2232 engaged with the rocker 228 is disposed on one side of the output gear 223, the latch 16 includes a latch toggle shaft 161 engaged with the rocker 228, the middle of the rocker 228 is rotatably disposed in the circuit breaker housing, and includes a first rocker arm 2280 and a second rocker arm 2281, the first rocker arm 2280 is engaged with the rocker toggle post 2232, and the second rocker arm 2281 is engaged with the latch toggle shaft 161.
Preferably, the transmission device further comprises a motor 221, a transmission gear set 222 in driving connection with the motor 221, a control circuit board 23, and a conductive sheet 226 which is arranged on one side of the output gear 223 and coaxially and synchronously rotates with the transmission gear set 222, the transmission gear set 222 is in driving connection with the output gear 223, and the conductive sheet 226 is matched with the control circuit board 23 to control the action of the motor 221.
Preferably, a first contact system mounting groove is formed in one side of the first partition plate 250, the first contact system is arranged in the first contact system mounting groove, and the first contact system mounting groove is provided with the contact positioning shaft 216;
a moving contact shaft hole 215 matched with the contact positioning shaft 216 is arranged in the middle of the first moving contact 212, the inner diameter of the moving contact shaft hole 215 is larger than the outer diameter of the contact positioning shaft 216, and the middle of the first moving contact 212 is elastically connected with the first partition plate 250 through a moving contact return spring 214; the first movable contact 212 rotates around the contact positioning shaft 216 and slides relative to the contact positioning shaft 216 through the movable contact shaft hole 215.
Preferably, the housing main frame 90 further includes a second partition 251, a first contact system mounting groove is formed at one side of the first partition 250, and the first contact system is disposed in a third mounting space formed by the second partition 251 and the first contact system mounting groove.
Preferably, an arc-shaped sliding slot 2501 is arranged at the upper part of the first partition 250, and one end of the second transmission rod 224 of the transmission device, which is matched with the swing arm 225, is slidably arranged in the arc-shaped sliding slot 2501.
Preferably, the drive module comprises an actuator, the control circuit board 23 of which comprises signal/communication terminals 26 for communication;
the both sides of circuit breaker casing respectively set up two wiring mouthful 17, and the casing body frame 90 one side of circuit breaker casing sets up the communication mouth, and signal communication terminal 26 and communication mouth cooperation, communication mouth lie in between two wiring mouthful 17 of circuit breaker casing one side, and communication mouth and two wiring mouthful 17 finished product font distribute.
Preferably, the operating mechanism further comprises a jumper 15 and a latch 16 rotatably arranged on the supporting member 12, the supporting member 12 is rotatably mounted on the circuit breaker housing, the second moving contact is pivotally mounted on one side of the supporting member 12 and elastically fixed with the supporting member 12 through a contact spring; the jump buckle 15 and the lock catch 16 are installed on the other side of the support 12, the connecting rod 211 is arranged above the lock catch 16 in a stacked mode and connected with the first movable contact 212, the jump buckle 15 and the lock catch 16 can be in split lap joint fit, and one end of the first transmission rod 14 is connected with the jump buckle 15 and the support 12.
Preferably, the circuit breaker module further includes an electromagnetic mechanism, an arc extinguish chamber, and two connecting terminals 2170 and 2180 respectively disposed at two sides, the operating mechanism is disposed at one side of the electromagnetic mechanism and the arc extinguish chamber, the electromagnetic mechanism is disposed above the arc extinguish chamber and corresponds to the latch 16 of the operating mechanism, and the second stationary contact is disposed at one side of the arc extinguish chamber and located between the arc extinguish chamber and the operating mechanism; the latch 16 has a lock arm in lap joint with the jumper 15 and a latch arm in engagement with the electromagnetic mechanism, and the latch arm is provided with a latch dial 161 in engagement with a transmission of the drive module.
The compact automatic closing circuit breaker comprises a circuit breaker module, a driving module and a first contact system, wherein the circuit breaker module comprises an operating mechanism and a second contact system, the first contact system and the second contact system share one group of operating mechanism, the first contact system is simple in structure, the linkage matching of a supporting piece and a first moving contact is realized through a connecting rod, the number of parts is obviously reduced, the internal space of the circuit breaker is saved, the size of the circuit breaker is reduced, the production process of the circuit breaker is simplified, and the production cost is reduced. In addition, the first partition plate is arranged in the breaker shell, the first partition plate divides the breaker shell into a first installation space and a second installation space, the breaker module and a second contact system of the breaker module are arranged in the first installation space, and the driving module and the second contact system are arranged in the second installation space, so that the space layout of the breaker module is more reasonable, the space utilization rate is higher, the size of the breaker module is further reduced, the breaker module is isolated from the driving module by the first partition plate, and the phenomenon that electric arcs generated when the breaker module is opened damage the driving module and/or influence the normal work of the driving module is avoided. Furthermore, the transmission device also comprises a rocker, one end of the rocker is matched with the output gear, and the other end of the rocker is matched with the lock catch, so that the output gear drives the lock catch to act through the rocker to control the opening of the breaker module, and the closing and opening are controlled separately, which is favorable for improving the stability of the action performance of the compact automatic closing breaker.
Drawings
Fig. 1 is a schematic structural diagram of an outer side of a case of a compact automatic closing circuit breaker according to the present invention;
FIG. 2 is a schematic structural view of the transmission of the present invention;
FIG. 3 is a schematic structural diagram of a drive module of the present invention;
FIG. 4 is a schematic structural view of the housing mainframe of the present invention;
figure 5 is a schematic structural view of the circuit breaker module of the present invention;
FIG. 6 is a schematic view of the assembled structure of the support member and the contact mechanism of the present invention;
FIG. 7 is a schematic view of the assembled structure of the output gear, rocker and latch of the present invention;
FIG. 8 is a schematic view of the construction of the output gear of the present invention;
FIG. 9 is a schematic view of an assembly structure of an output gear and a conductive plate according to the present invention;
FIG. 10 is a schematic view showing an assembly structure of the conductive sheet and the control wiring board of the present invention.
Detailed Description
The following describes a specific embodiment of the compact automatic closing circuit breaker according to the present invention with reference to the embodiments shown in fig. 1 to 10. The compact automatic closing circuit breaker of the present invention is not limited to the description of the following embodiments.
The compact automatic switching-on circuit breaker comprises a circuit breaker shell, a circuit breaker module and a driving module, wherein the circuit breaker module is arranged in the circuit breaker shell;
the circuit breaker module comprises an operating mechanism and a second contact system connected with the operating mechanism in a driving mode, the operating mechanism comprises an operating handle 13, a first transmission rod 14 and a supporting piece 12, one end of the first transmission rod 14 is connected with the operating handle 13, the other end of the first transmission rod is connected with the supporting piece 12, and the second contact system comprises a second moving contact connected with the supporting piece 12 and a second fixed contact matched with the second moving contact for use;
the first contact system is arranged on one side of the second contact system and comprises a contact mechanism and a first fixed contact 213, wherein the contact mechanism comprises a connecting rod 211 connected with the support 12 and a first movable contact 212 connected with the connecting rod 211 and matched with the first fixed contact 213 for use; the operating handle 13 is pulled to synchronously close/open the first contact system and the second contact system.
The compact automatic closing circuit breaker comprises a circuit breaker module, a driving module and a first contact system, wherein the circuit breaker module comprises an operating mechanism and a second contact system, and the first contact system and the second contact system share one group of operating mechanism, so that the number of parts is obviously reduced, the internal space of the circuit breaker is saved, the volume of the circuit breaker is reduced, the production process of the circuit breaker is simplified, and the production cost is reduced.
As shown in fig. 1, the compact automatic closing circuit breaker of the present invention includes a circuit breaker housing, a circuit breaker module, and a driving module; a first partition plate 250 is arranged in the breaker shell, and the first partition plate 250 divides the breaker shell into a first installation space for installing a breaker module and a second installation space for installing a driving module; the circuit breaker module further comprises a second contact system, wherein the second contact system comprises a second moving contact connected with the support 12 in a driving manner and a second fixed contact matched with the second moving contact for use; an operating mechanism for operating the circuit breaker module drives the second moving contact to be closed/opened with the second fixed contact, and simultaneously drives the first moving contact 212 to be closed/opened with the first fixed contact 213; the circuit breaker module and the second contact system thereof are arranged in the first installation space, and the driving module and the first contact system are arranged in the second installation space.
Specifically, the circuit breaker housing includes housing body frame 90 and set up respectively in the housing body frame 90 left and right sides rather than complex first side shell 91, second side shell 92, and first side shell 91 forms first installation space with the cooperation of housing body frame 90, and second side shell 92 and the cooperation of housing body frame 90 form second installation space. As shown in fig. 4 and 5, the housing main frame 90 includes a first partition plate 250 to partition the circuit breaker module and the driving module to be located at both sides of the housing main frame 90. The driving module comprises a transmission device and a first contact system, wherein the first contact system comprises a contact mechanism and a first fixed contact 213 matched with the contact mechanism. The circuit breaker module comprises an operating mechanism, a second contact system connected with the operating mechanism, an electromagnetic mechanism, an arc chute and connecting terminals 2170, 2180 arranged on both sides.
It is noted that in general, the second contact system is used for connecting the live wire and the first contact system is used for connecting the neutral wire.
As shown in fig. 2-4, is a preferred embodiment of the drive module of the present invention.
The driving module comprises a transmission device and a first contact system, the transmission device comprises a motor 221, a transmission gear set 222, an output gear 223, a second transmission rod 224, a swing arm 225, a rocker 228 and a control circuit board 23, and the first contact system comprises a contact mechanism and a first fixed contact 213 matched with the contact mechanism.
As shown in fig. 2 and 3, the motor 221 is disposed at the lower portion of the housing main frame 90, the output end of the motor is provided with a worm, the worm is in driving connection with a transmission gear set, the transmission gear set 222 is in driving connection with an output gear 223, the right end of the second transmission rod 224 is connected with the output gear 223, the left end of the second transmission rod is slidably disposed in the arc-shaped sliding slot 2501 of the first partition 250 and is matched with the swing arm 225, and the swing arm 225 and the operating handle 13 of the operating mechanism rotate coaxially and synchronously. When the electric motor works, the motor 221 rotates forwards, the output gear 223 is driven to rotate through the transmission gear set 222, the output gear 223 drives the second transmission rod 224 to move, the left end of the second transmission rod 224 slides to the left side in the arc-shaped sliding groove 2501, so that the swing arm 225 rotates clockwise, and the operating handle 13 is driven to rotate clockwise; the reverse rotation of the motor 221 finally drives the left end of the second transmission rod 224 to slide in the arc-shaped sliding slot 2501 from left to right, so that the second transmission rod 224 is separated from the swing arm 225. It should be noted that the forward rotation and the reverse rotation are two rotation directions of the motor 221, and it is also possible that the motor 221 rotates reversely to slide the left end of the second transmission rod 224 in the arc-shaped sliding slot 2501 from right to left, and the motor 221 rotates forward to slide the left end of the second transmission rod 224 in the arc-shaped sliding slot 2501 from left to right.
As shown in fig. 4, the middle of the rocker 228 is pivotally mounted on the first partition plate 250 of the housing main frame 90, the rocker 228 includes a first rocker arm 2280 at the upper end and a second rocker arm 2281 at the lower end, the first rocker arm 2280 is elastically connected with the first partition plate 250 through a rocker return spring, and the second rocker 2281 is engaged with the latch dial 161 of the latch 16; as shown in fig. 8, the output gear 223 includes an output gear shaft hole 2233 disposed at a middle portion thereof, a second driving rod connecting hole 2234 disposed at one radial end of the output gear 223, and a rocker toggle post 2232 disposed outside the output gear shaft hole 2233; referring to fig. 3, 4 and 7, the output gear 223 is disposed above the rocker 228, and the output gear 223 rotates to enable the rocker toggle post 2232 to be engaged with the first rocker arm 2280, so as to drive the rocker arm 228 to rotate counterclockwise, and enable the second rocker arm 2281 to rotate counterclockwise to be engaged with the latch toggle shaft 161 of the latch 16, so that the trip catch 15 and the latch 16 can be disengaged, and the circuit breaker module is opened.
As shown in fig. 9-10, a conductive plate 226 is disposed on one side of the output gear 223, one end of the conductive plate 226 is coaxial and rotates with the output gear 223, and the other end thereof is disposed with two conductive plate first tentacles 2260 and two conductive plate second tentacles 2261, which are engaged with the control circuit board 23 and are respectively clamped on two sides of the rocker toggle column 2232. The conductive plate 226 cooperates with the control circuit board 23 to identify and provide a position signal for the output gear 223 to control the stall, forward and reverse motion of the gear 221. Further, the circuit board 23 is respectively provided with a first contact piece 230 in contact fit with the conductive piece second tentacle 2261, and a first contact piece 230, a second contact piece 231, a third contact piece 232, and a fourth contact piece 233 in contact fit with the conductive piece first tentacle 2260, the conductive piece second tentacle 2261 is in contact fit with the control circuit board first contact piece 230, the conductive piece first tentacle 2260 is respectively in contact with the second contact piece 231, the third contact piece 232, and the fourth contact piece 233, so that the output gear 223 can be recognized to be respectively located at an initial position (the circuit breaker module can realize switching on/off through the operating handle), a switching on position (the driving module drives the operating handle 13 through the cooperation of the second transmission rod 224 and the rocker arm 225, so that the circuit breaker module is switched on) and a tripping position (the rocker toggle column 2232 of the output gear 223 drives the rocker 228 to act, so that the second rocker arm 2281 of the rocker 228 is in lock-lock, opening the circuit breaker module).
The control board 23 includes a signal/communication port 26 for communication.
As shown in fig. 3, the contact mechanism is disposed in the first contact system mounting groove on the right side of the first partition plate 250, and includes a connecting rod 211 and a first movable contact 212 connected to the lower end of the connecting rod 211, the connecting rod 211 is connected to the support 12 of the operating mechanism, the middle portion of the first movable contact 212 is elastically connected to the first partition plate 250 through a movable contact return spring 214, the middle portion of the first movable contact 212 is provided with a movable contact shaft hole 215, the movable contact shaft hole 215 is matched with the contact positioning shaft 216, the inner diameter of the movable contact shaft hole 215 is larger than the outer diameter of the contact positioning shaft 216, and the first movable contact 212 rotates around the contact positioning shaft 216 and can slide relative to the contact positioning shaft 216; when the driving module drives the circuit breaker module to be switched on, the connecting rod 211 drives the first moving contact 212 and the first fixed contact 213 to be closed, and then the first moving contact 212 is continuously driven to rotate around the contact positioning shaft 216, and finally the moving contact shaft hole 215 of the first moving contact 212 is separated from the moving contact positioning shaft 216 to realize the over travel. The operating mechanism enables the circuit breaker module to be switched on/off, and meanwhile, the supporting member 12 drives the first moving contact 212 and the first fixed contact 213 to be switched on/off through the connecting rod 211, so that synchronous switching on/off of the circuit breaker module and the driving module is realized.
As shown in fig. 4, the driving module further includes a left connection terminal 217 and a right connection terminal 218 respectively disposed at the left and right ends of the housing main frame 90.
As shown in fig. 5, a preferred embodiment of the circuit breaker module of the present invention.
The circuit breaker module also comprises an electromagnetic mechanism, an arc extinguish chamber and two connecting terminals 2170 and 2180 which are respectively arranged at two sides, the operating mechanism is arranged at one side of the electromagnetic mechanism and one side of the arc extinguish chamber, the electromagnetic mechanism is arranged above the arc extinguish chamber and is arranged corresponding to a lock catch 16 of the operating mechanism,
the operating mechanism comprises an operating handle 13 which is pivotally arranged on the upper part of the first side shell 91, a first transmission rod 14, a supporting piece 12 which is pivotally arranged on the first side shell 91, a tripping buckle 15 and a lock catch 16 which are rotatably arranged on the supporting piece 12, and a second moving contact which is pivotally arranged on one side of the supporting piece 12 and is elastically fixed with the supporting piece 12 through a contact spring; the trip buckle 15 and the lock catch 16 are installed on the other side of the support 12, the connecting rod 211 is arranged above the lock catch 16 in a stacked mode and connected with the first moving contact 212, the trip buckle 15 and the lock catch 16 can be in split lap joint fit, the left end of the first transmission rod 14 is connected with the operating handle 13, the right end of the first transmission rod 14 is connected with the trip buckle 15 and the support 12, the operating handle 13 is operated manually, the support 12 can be driven to act through the first transmission rod 14, and short circuit switching-on/switching-off with a protection pole is achieved. The second fixed contact is arranged on one side of the arc extinguish chamber and is positioned between the arc extinguish chamber and the operating mechanism; the latch 16 has a lock arm in lap joint with the jumper 15 and a latch arm in engagement with the electromagnetic mechanism, and the latch arm is provided with a latch dial 161 in engagement with the transmission device.
As shown in fig. 6, a support transmission post 123 is disposed at the right part of the support 12, and the support transmission post 123 is hinged with a connecting rod 211 of a transmission device of the driving module. The other end of the connecting rod 211 is provided with a U-shaped connecting groove, and the first moving contact 212 is hinged in the connecting groove.
As shown in fig. 5, the circuit breaker module further includes a left connection terminal 2170 and a right connection terminal 2180 respectively disposed at left and right ends of the first side case 91.
As shown in fig. 5, a preferred embodiment of the housing main frame 90 of the present invention is shown.
The middle of the housing main frame 90 is provided with a first partition plate 250 for isolating the circuit breaker module from the driving module, so that electric arcs generated when the circuit breaker module is switched off are prevented from damaging the driving module and/or influencing the normal work of the driving module.
A first contact system mounting groove is formed in the right side of the first partition plate 250, and a first contact system of the driving module is arranged in the first contact system mounting groove; the upper portion of the first partition plate 250 is provided with an arc-shaped sliding groove, the lower portion of the first partition plate is provided with a motor installation groove for arranging the motor 221, a plurality of rotating shafts are arranged between the arc-shaped sliding groove and the motor installation groove, the rotating shafts comprise a transmission gear rotating shaft for pivotally installing the transmission gear set 222 and an output gear rotating shaft 2230 for pivotally installing the output gear 223, the left side of the output gear rotating shaft 2230 is provided with a rocker 228, the lower side of the output gear rotating shaft 2230 is provided with a first kidney-shaped hole, and the lock catch shifting shaft 161 of the lock catch 16 penetrates through the first.
Preferably, as shown in fig. 2, the housing main frame 90 further includes a second partition 251, the second partition 251 and the first contact system installation groove form a third installation space, and the first contact system is enclosed in the third installation space, so as to prevent an arc generated when the first contact system is disconnected from damaging a transmission device of the driving module and/or affecting a normal operation of the transmission device.
As shown in fig. 1, the circuit breaker housing further includes wiring ports disposed at upper and lower sides thereof, the two wiring ports 17 at the upper side are respectively correspondingly matched with the left first wiring terminal 2170 and the left second wiring terminal 217, and the two wiring ports at the lower side are respectively correspondingly matched with the right first wiring terminal 2180 and the right second wiring terminal 218. The upside front end of casing body frame 90 sets up the communication mouth, and the communication mouth is located between two binding post, and two wiring mouth 17 finished product fonts of communication mouth and upside distribute, correspond the cooperation with signal communication terminal 26 of control scheme board 23, the utility model discloses an automatic combined floodgate circuit breaker of compact during the use, generally install according to the shown orientation of figure 1, and the communication mouth sets up the user identification of being convenient for in the upper side, and two wiring mouths 17 are kept away from to the communication mouth moreover, make things convenient for the wiring of communication mouth, also avoid touching the wire of wiring mouth 17 department at the communication mouth wiring in-process, both guaranteed user's safety, avoid the wire of wiring mouth 17 department to take place not hard up again. And the upper end and the lower end of the front side of the circuit breaker shell are respectively provided with a wiring screw operation port which is correspondingly matched with each wiring terminal.
Preferably, the first side case 91, the case main frame 90 and the second side case 92 of the circuit breaker case are all of an integral injection molding structure.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (11)
1. A compact automatic switching-on circuit breaker comprises a circuit breaker shell, a circuit breaker module and a driving module, wherein the circuit breaker module is arranged in the circuit breaker shell;
the method is characterized in that: the circuit breaker module comprises an operating mechanism and a second contact system in driving connection with the operating mechanism, the operating mechanism comprises an operating handle (13), a first transmission rod (14) and a supporting piece (12), one end of the first transmission rod (14) is connected with the operating handle (13), the other end of the first transmission rod is connected with the supporting piece (12), and the second contact system comprises a second moving contact connected with the supporting piece (12) and a second fixed contact matched with the second moving contact for use;
the first contact system is arranged on one side of the second contact system and comprises a contact mechanism and a first fixed contact (213), the contact mechanism comprises a connecting rod (211) connected with the support (12) and a first movable contact (212) which is connected with the connecting rod (211) and is matched with the first fixed contact (213) for use; the operating handle (13) is pulled to synchronously close/open the first contact system and the second contact system;
a first partition plate (250) is arranged in the breaker shell, and the breaker shell is divided into a first installation space and a second installation space by the first partition plate (250); the circuit breaker module and the second contact system thereof are arranged in the first installation space, and the driving module and the first contact system are arranged in the second installation space;
the operating mechanism further comprises a jump buckle (15) and a lock catch (16) which are rotatably arranged on the supporting piece (12), the supporting piece (12) is rotatably arranged on the shell of the circuit breaker, the second moving contact is pivotally arranged on one side of the supporting piece (12) and is elastically fixed with the supporting piece (12) through a contact spring, the jump buckle (15) and the lock catch (16) are arranged on the other side of the supporting piece (12), the connecting rod (211) is arranged above the lock catch (16) in a stacked mode and is connected with the first moving contact (212), the jump buckle (15) and the lock catch (16) can be in lap joint matching in a separated mode, and the other end of the first transmission rod (14) is connected with the jump buckle (.
2. The compact autoclosing circuit breaker of claim 1, wherein: the circuit breaker shell comprises a shell main frame (90), a first side shell (91) and a second side shell (92), wherein the first side shell (91) and the second side shell (92) are respectively arranged on two sides of the shell main frame (90) and matched with the shell main frame, the shell main frame (90) and the first side shell (91) form a first installation space, and the shell main frame (90) and the second side shell (92) form a second installation space; the housing main frame (90) includes a first barrier (250) disposed at a middle portion thereof for isolating the circuit breaker module and the driving module.
3. The compact autoclosing circuit breaker of claim 1, wherein: the driving module comprises a transmission device, the transmission device comprises an output gear (223), a second transmission rod (224) and a swing arm (225), the output gear (223), the second transmission rod (224) and the swing arm (225) are pivotally mounted inside the breaker shell, one end of the second transmission rod (224) is connected with the output gear (223) in a driving mode, the other end of the second transmission rod is used for driving the swing arm (225) to rotate, and the swing arm (225) and the operating handle (13) are coaxial and rotate.
4. The compact autoclosing circuit breaker of claim 3, wherein: the operating mechanism also comprises a jump buckle (15) and a lock catch (16) which are rotatably arranged on the supporting piece (12), and the jump buckle (15) and the lock catch (16) can be in separable lap joint fit;
the transmission device further comprises a rocker (228), one end of the rocker (228) is matched with the output gear (223), the other end of the rocker (228) is matched with the lock catch (16), the output gear (223) rotates to drive the rocker (228) to act, the lock catch (16) is disengaged from the jump catch (15), and the breaker module is opened.
5. The compact autoclosing circuit breaker of claim 4, wherein: output gear (223) one side sets up stirs post (2232) with rocker (228) complex rocker, hasp (16) including dial axle (161) with rocker (228) complex hasp, rocker (228) middle part is rotated and is set up in the circuit breaker casing, including first rocker arm (2280) and second rocker arm (2281), first rocker arm (2280) stirs post (2232) cooperation with the rocker, and second rocker arm (2281) dials axle (161) cooperation with the hasp.
6. The compact autoclosing circuit breaker of claim 3, wherein: the transmission device further comprises a motor (221), a transmission gear set (222) in driving connection with the motor (221), a control circuit board (23) and a conducting strip (226) which is arranged on one side of the output gear (223) and coaxially and synchronously rotates with the output gear, the transmission gear set (222) is in driving connection with the output gear (223), and the conducting strip (226) is matched with the control circuit board (23) to control the action of the motor (221).
7. The compact autoclosing circuit breaker of claim 1, wherein: a first contact system mounting groove is formed in one side of the first partition plate (250), the first contact system is arranged in the first contact system mounting groove, and a contact positioning shaft (216) is arranged in the first contact system mounting groove;
the middle part of the first moving contact (212) is provided with a moving contact shaft hole (215) matched with the contact positioning shaft (216), the inner diameter of the moving contact shaft hole (215) is larger than the outer diameter of the contact positioning shaft (216), and the middle part of the first moving contact (212) is elastically connected with the first partition plate (250) through a moving contact return spring (214); the first movable contact (212) rotates around the contact positioning shaft (216) and slides relative to the contact positioning shaft (216) through the movable contact shaft hole (215).
8. The compact autoclosing circuit breaker of claim 2, wherein: the shell body frame (90) further comprises a second partition plate (251), a first contact system installation groove is formed in one side of the first partition plate (250), and the first contact system is arranged in a third installation space formed by the second partition plate (251) and the first contact system installation groove.
9. The compact autoclosing circuit breaker of claim 3, wherein: an arc-shaped sliding groove (2501) is formed in the upper portion of the first partition plate (250), and one end, matched with the swing arm (225), of the second transmission rod (224) of the transmission device is arranged in the arc-shaped sliding groove (2501) in a sliding mode.
10. The compact autoclosing circuit breaker according to claim 1 or 6, characterized in that: the drive module comprises a transmission device, and a control circuit board (23) of the transmission device comprises a signal/communication terminal (26) for communication;
the both sides of circuit breaker casing respectively set up two wiring mouthful (17), and casing body frame (90) one side of circuit breaker casing sets up the communication mouth, signal communication terminal (26) and communication mouth cooperation, and the communication mouth is located between two wiring mouthful (17) of circuit breaker casing one side, and communication mouth and two wiring mouthful (17) finished product font distribute.
11. The compact autoclosing circuit breaker of claim 1, wherein: the circuit breaker module further comprises an electromagnetic mechanism, an arc extinguish chamber and two wiring terminals (2170, 2180) which are respectively arranged on two sides, the operating mechanism is arranged on one side of the electromagnetic mechanism and one side of the arc extinguish chamber, the electromagnetic mechanism is arranged above the arc extinguish chamber and corresponds to a lock catch (16) of the operating mechanism, and a second fixed contact is arranged on one side of the arc extinguish chamber and is positioned between the arc extinguish chamber and the operating mechanism; the lock catch (16) is provided with a locking arm in lap joint fit with the jump buckle (15) and a lock catch arm in fit with the electromagnetic mechanism, and the lock catch arm is provided with a lock catch shifting shaft (161) in fit with a transmission device of the driving module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711417452.XA CN107968025B (en) | 2017-12-23 | 2017-12-23 | Compact automatic closing circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711417452.XA CN107968025B (en) | 2017-12-23 | 2017-12-23 | Compact automatic closing circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107968025A CN107968025A (en) | 2018-04-27 |
| CN107968025B true CN107968025B (en) | 2021-03-09 |
Family
ID=61995882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711417452.XA Active CN107968025B (en) | 2017-12-23 | 2017-12-23 | Compact automatic closing circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107968025B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109559945A (en) * | 2018-11-26 | 2019-04-02 | 国网江苏省电力有限公司电力科学研究院 | A kind of breaker reclosing switching system and its control method |
| CN109461634B (en) * | 2018-12-18 | 2024-06-11 | 浙江中亿豪科技有限公司 | Hydraulic electromagnetic circuit breaker actuator |
| CN112151337B (en) * | 2019-06-27 | 2023-02-03 | 北京京人电器有限公司 | Circuit breaker with at least two poles |
| CN110504142A (en) * | 2019-07-05 | 2019-11-26 | 天津京人电器有限公司 | A kind of small-sized DC circuit breaker with electrically operated institution |
| CN113838711B (en) * | 2020-06-08 | 2024-07-23 | 浙江正泰电器股份有限公司 | Automatic opening and closing circuit breaker |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201749830U (en) * | 2010-06-07 | 2011-02-16 | 德力西电气有限公司 | MCB capable of opening and closing neutral pole |
| CN101989518A (en) * | 2009-08-06 | 2011-03-23 | 浙江正泰电器股份有限公司 | Phase-line and neutral-line type residual current action breaker |
| JP5549794B1 (en) * | 2012-10-11 | 2014-07-16 | 三菱電機株式会社 | Circuit breaker |
| CN105957777A (en) * | 2016-06-06 | 2016-09-21 | 温州罗格朗电器有限公司 | Residual-current circuit breaker with residual-current fault indication function |
| CN106128885A (en) * | 2016-08-26 | 2016-11-16 | 悦动智能电器有限公司 | A kind of with the chopper remotely controlling divide-shut brake |
| CN207993787U (en) * | 2017-12-23 | 2018-10-19 | 浙江正泰电器股份有限公司 | Compact automatic closing breaker |
-
2017
- 2017-12-23 CN CN201711417452.XA patent/CN107968025B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101989518A (en) * | 2009-08-06 | 2011-03-23 | 浙江正泰电器股份有限公司 | Phase-line and neutral-line type residual current action breaker |
| CN201749830U (en) * | 2010-06-07 | 2011-02-16 | 德力西电气有限公司 | MCB capable of opening and closing neutral pole |
| JP5549794B1 (en) * | 2012-10-11 | 2014-07-16 | 三菱電機株式会社 | Circuit breaker |
| CN105957777A (en) * | 2016-06-06 | 2016-09-21 | 温州罗格朗电器有限公司 | Residual-current circuit breaker with residual-current fault indication function |
| CN106128885A (en) * | 2016-08-26 | 2016-11-16 | 悦动智能电器有限公司 | A kind of with the chopper remotely controlling divide-shut brake |
| CN207993787U (en) * | 2017-12-23 | 2018-10-19 | 浙江正泰电器股份有限公司 | Compact automatic closing breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107968025A (en) | 2018-04-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107968025B (en) | Compact automatic closing circuit breaker | |
| CN207993787U (en) | Compact automatic closing breaker | |
| CN103165298B (en) | Single-motor three-station mechanism for switch | |
| CN201622985U (en) | Miniature circuit breaker | |
| CN108155069B (en) | Reclosing miniature circuit breaker | |
| CN203179777U (en) | Three-station operation mechanism | |
| CN207818486U (en) | Reclosing miniature circuit breaker | |
| CN108389759B (en) | N-pole circuit breaker with reclosing function | |
| CN112992620A (en) | Operating mechanism of circuit breaker | |
| CN206148384U (en) | Miniature circuit breaker and automatic tripping device thereof | |
| CN202454507U (en) | Operation mechanism for automatic reclosing circuit breaker | |
| CN202443885U (en) | Integrated dual-power automatic transfer switch of molded case circuit breaker | |
| CN211555817U (en) | Automatic switching-on and switching-off control device and circuit breaker | |
| CN210897046U (en) | Switch sequential operation interlocking mechanism | |
| CN210743891U (en) | Leakage release for circuit breaker | |
| CN211350533U (en) | Operating mechanism of circuit breaker | |
| CN101763990B (en) | Small-sized circuit breaker | |
| CN108321056B (en) | Circuit breaker pushed by electromagnet | |
| CN111564333A (en) | Spring operating mechanism of pole-mounted switch | |
| CN111192799A (en) | Automatic switching-on and switching-off control device and circuit breaker | |
| CN108735555B (en) | Small-sized fee-controlled switch | |
| CN215869226U (en) | Circuit breaker | |
| CN219800734U (en) | Rotary isolating switch | |
| CN213242445U (en) | Small-sized circuit breaker | |
| CN201616400U (en) | Small-sized low-voltage 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 |