CN106935450B - Circuit breaker tripping mechanism, opening and closing operation device and circuit breaker thereof - Google Patents
Circuit breaker tripping mechanism, opening and closing operation device and circuit breaker thereof Download PDFInfo
- Publication number
- CN106935450B CN106935450B CN201710277298.4A CN201710277298A CN106935450B CN 106935450 B CN106935450 B CN 106935450B CN 201710277298 A CN201710277298 A CN 201710277298A CN 106935450 B CN106935450 B CN 106935450B
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- locking
- groove
- linkage
- opening
- 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
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/42—Induction-motor, induced-current, or electrodynamic release mechanisms
- H01H71/43—Electrodynamic 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
- H01H71/10—Operating or release mechanisms
- H01H71/66—Power reset mechanisms
- H01H71/70—Power reset mechanisms actuated by electric motor
Landscapes
- Breakers (AREA)
Abstract
The invention discloses a circuit breaker tripping mechanism, a switching-on and switching-off operating device and a circuit breaker thereof. According to the technical scheme, the circuit breaker can be driven to trip at the back of the circuit breaker, the tripping shaft is not required to drive the circuit breaker to open and trip, and the dependence on the tripping shaft of the circuit breaker is eliminated; on the other hand, the opening and closing device is not required to be limited to be installed on one side of the circuit breaker with the tripping shaft, so that the opening and closing device can still have the opening and closing function when installed on the other side of the circuit breaker, the selectivity is more, and the application range is wider.
Description
Technical Field
The invention relates to the technical field of low-voltage electric appliances, in particular to a circuit breaker tripping mechanism, a switching-on and switching-off operation device and a circuit breaker.
Background
According to the intelligent requirement of the power supply network in China, a signal at the execution upper end of a terminal execution mechanism, namely a small-sized breaker, of the power supply network needs to have the functions of tripping and closing; especially, the remote control function of automatic tripping for defaulting and automatic closing and power transmission for charging is realized by combining an intelligent ammeter. Therefore, the manually operated circuit breaker can not meet the requirements of the intelligent power grid, a circuit breaker product specially used for a prepayment electricity meter needs to be matched, automatic reclosing operation can be achieved, a control signal is transmitted, remote control can be achieved, the circuit breaker is enabled to automatically close or open, manual opening and closing operation of workers is not needed any more, and manpower and material resources are effectively saved.
Therefore, the existing automatic reclosing device on the market can realize the automatic opening and closing function of a breaker product and mainly comprises a motor, a driving gear, a handle gear and a driving rod, wherein the driving gear and the handle gear are driven to be meshed and driven by the unidirectional rotation of the motor, a pressing block is arranged on the driving gear and used for driving the driving rod to act, and the handle gear is linked with a handle to synchronously rotate through a handle shaft. During the separating brake, drive the actuating lever swing through the lug on the drive gear, stir the trip shaft on the circuit breaker by the one end of actuating lever and carry out the separating brake action, during the combined floodgate, drive handle drive circuit breaker combined floodgate through handle gear, because the actuating lever lacks the reset action, at circuit breaker combined floodgate process, drive the actuating lever by the trip rod and reset, especially motor unidirectional rotation's reclosing device is very strong to the dependence of trip shaft, in practical application, long-term the use can cause the damage to the trip shaft, influence the dropout performance.
Because of the trip shaft only lies in one side setting of circuit breaker, so when commercial reclosing device used with the circuit breaker is supporting, reclosing device all must install the one side that has the trip shaft at the circuit breaker, just can realize the reclosing function, but in the in-service use exist with reclosing device because of reasons such as the space is not convenient for install the one side that has the trip shaft at the circuit breaker. Therefore, the existing circuit breaker and the reclosing device are matched for use and have certain limitation.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is that the existing reclosing device is required to be installed on one side of the breaker with the trip shaft when being used with the breaker, so that the installation position of the reclosing device is limited, and the technical defect that the existing reclosing device is limited when being used with the breaker is overcome, and the reclosing device is installed without being limited by the position of the trip shaft, and the breaker trip mechanism, the opening and closing operation device and the breaker are wider in application range.
In order to achieve the above object, the present invention provides a circuit breaker trip mechanism for driving a circuit breaker to trip at a back surface of the circuit breaker, including: the tripping device comprises a tripping buckle and a lock catch which are rotatably arranged in the circuit breaker, wherein the tripping buckle and the lock catch have a locking state and a tripping state;
a driven part is formed on one side of the back surface of the circuit breaker by the lock catch;
further comprising: the back of the circuit breaker corresponds to a driving groove arranged on the driven part, an actuating piece extends into the circuit breaker through the driving groove and is arranged in a linkage mode with the driven part, and the actuating piece acts along the driving groove and drives the lock catch and the lock catch to transition from a locking state to a tripping state.
In the circuit breaker tripping mechanism, the driven part is a groove formed by facing the lock catch to one side of the driving groove, one end of the actuating part extending into the circuit breaker is accommodated in the groove, the actuating part drives the driven part to move to the opening position when the circuit breaker is opened, and the actuating part is driven by the driven part to return to the closing position when the circuit breaker is closed.
The utility model provides a circuit breaker divide-shut brake operating means, the foretell circuit breaker tripping device of cooperation uses, and is used for the drive circuit breaker tripping device carries out the dropout action, and it includes:
the circuit breaker comprises a first shell, a second shell and a linkage locking piece, wherein a motor, a gear transmission mechanism and a linkage locking piece are arranged in the first shell, the linkage locking piece can be driven by the gear transmission mechanism, and the gear transmission mechanism drives a breaker handle to execute the closing operation of the circuit breaker;
the first shell further comprises a communicating groove which is arranged corresponding to the driving groove;
the actuating piece and the linkage locking piece are arranged in a linkage mode and extend into the circuit breaker through the communicating groove and the driving groove.
In the circuit breaker opening and closing operation device, the actuating part is a convex rod formed on the linkage locking part and facing one side of the circuit breaker.
In the above-mentioned circuit breaker divide-shut brake operating means, gear drive mechanism include with the drive gear of motor linkage and with drive gear meshing's driving gear to and the transmission is connected the handle gear of driving gear and circuit breaker handle.
In the circuit breaker opening and closing operation device, one side of the driving gear is provided with a locking component, and the locking component can drive the linkage locking piece to act so that the actuating piece drives the circuit breaker to trip; the linkage locking piece and the locking part form a locking structure when the breaker is opened so as to keep that the breaker handle cannot be manually closed in the opening state; and releasing the locking structure when the circuit breaker is switched on.
In the circuit breaker opening and closing operation device, the locking component is coaxially and cooperatively arranged on one side of the driving gear, which is close to the bottom surface of the first shell, the locking component pushes the linkage locking piece in the rotation stroke of the locking component, and the linkage locking piece and the locking component are locked in the stroke when the actuating piece moves to the limit position of the driving groove or the communication groove.
In the circuit breaker opening and closing operation device, the locking component is a cam, the cam is arc-shaped, and an arc-shaped accommodating groove suitable for accommodating the cam is formed in the bottom surface of the first shell; the other side of the driving gear, which is opposite to the cam, is provided with a sector gear, and the protruding extending direction of the cam is consistent with the orientation of a sector opening of the sector gear.
Among the above-mentioned circuit breaker divide-shut brake operating means, linkage locking piece includes: the rotating end is rotatably connected with the first shell through a rotating shaft; and the rotating end is a transmission matching part and a driven rotating part which are arranged at an included angle as a rotating center, and the locking part is pushed against the transmission matching part when the driving gear rotates, so that the driven rotating part rotates for a certain angle around the rotating shaft.
In the circuit breaker opening and closing operation device, the actuating element is a convex rod which is arranged on one end of the driven poking and rotating part and faces one side of the communication groove; and the two corresponding ends of the communicating groove and the driving groove are respectively an opening end and a closing end where the convex rod is positioned when the convex rod is opened and closed.
In the switching-on and switching-off operation device of the circuit breaker, the locking structure comprises a hook end formed on the cam and a notch groove formed on the transmission matching part and suitable for being connected with the hook end, and the hook end can form locking matching in a hook form with the notch groove.
The utility model provides a circuit breaker, includes foretell circuit breaker tripping device to and foretell circuit breaker divide-shut brake operating means, circuit breaker divide-shut brake operating means set up with the circuit breaker in the opposite one side of trip shaft orientation, still include:
and the second shell is internally provided with a linkage mechanism and a contact mechanism, and the linkage mechanism can drive a moving contact and a fixed contact in the contact mechanism to be contacted or separated.
In the circuit breaker, the linkage mechanism comprises a circuit breaker handle, a support frame assembly, a jump buckle and a lock catch, wherein the jump buckle and the lock catch are rotatably arranged on the support frame assembly; the moving contact is matched with the supporting frame assembly and acts synchronously with the supporting frame assembly.
Compared with the prior art, the technical scheme of the invention has the following advantages:
1. in the circuit breaker tripping mechanism provided by the invention, the driven part is formed on one side of the back surface of the circuit breaker of the lock catch, the driven part and the tripping shaft on the circuit breaker are arranged on different sides, and the driven part penetrates through the driving groove to extend into the circuit breaker and is arranged in a linkage manner with the driven part, so that the actuating part and the driven part are matched to transfer motion, and the lock catch are driven to transition from a locking state to a tripping state, thereby completing the tripping operation of the circuit breaker. Compared with the prior art, the tripping device adopts a brand-new design tripping mode for driving the circuit breaker to trip on the back surface (the side back to the tripping shaft) of the circuit breaker without driving the circuit breaker to open and trip through the tripping shaft, so that the dependence on the tripping shaft of the circuit breaker is eliminated, the stress driving condition of the tripping shaft is reduced, and the sensitivity of the tripping shaft is ensured; on the other hand, reclosing device also need not be limited install have the one side of trip shaft in the circuit breaker to realize that the implementation mode that the divide-shut brake device still can play the divide-shut brake function when the opposite side installation of circuit breaker, the selectivity is more, and reasonable in design makes the divide-shut brake device more comprehensive with the supporting use of circuit breaker, and application scope is wider.
2. In the breaker opening and closing operation device provided by the invention, the actuating piece and the linkage locking piece are arranged in a linkage manner, extend into the breaker through the communicating groove and the driving groove and can be linked with the driven part on the lock catch to drive the breaker to be tripped, so that in the unidirectional rotation process of the motor, the gear transmission mechanism drives the breaker handle to execute the breaker closing operation, the motor continues to rotate after closing, the linkage locking piece is driven to act through the gear transmission mechanism, and the breaker opening operation is realized by means of the actuating piece. In the technical scheme, the driving stability and reliability of the actuating element and the timeliness and accuracy of tripping are guaranteed, the driving matching is reliable, the unidirectional rotating motor can be used for driving the opening and closing operation of the circuit breaker, the control structure is simple, and the use performance of a product is improved.
3. In the automatic switching-on and switching-off operation device provided by the invention, the linkage locking piece can be matched and locked with the locking piece on the transmission gear, particularly, in the arrearage switching-off process, the locking piece rotates along with the driving gear and rotates with the driving linkage locking piece, when the arrearage switching-off process is carried out, the locking matching in a hook form is formed by the hook end of the locking piece and the gap groove of the linkage locking piece, the locking function is realized, at the moment, the convex rod on the linkage locking piece is locked on the switching-on position of the driving groove, so that the circuit breaker cannot be switched on, and the situation that the circuit breaker can be switched on continuously after the arrearage is avoided. Certainly, if after paying the fee and supplying power, the motor rotates to make the locking part keep away from the rotation of linkage locking piece to with linkage locking piece release the locking cooperation, after the circuit breaker closes a floodgate, the driven portion on the circuit breaker can drive the projecting bar and keep away from the position of closing a floodgate in drive groove, thereby the normal divide-shut brake of reply circuit breaker uses. The structure arrangement can realize the automatic control of the corresponding functions of defaulting and paying by the user, and is quick and effective.
4. The circuit breaker provided by the invention is provided with the circuit breaker tripping mechanism and the opening and closing operation device, so that the circuit breaker naturally has all advantages brought by the arrangement of the circuit breaker tripping mechanism and the opening and closing operation device, can realize remote opening and closing control by matching with a prepayment ammeter, and meets the intelligent requirement of a power supply network in China.
5. The invention provides a circuit breaker, wherein a linkage mechanism comprises a circuit breaker handle, a support frame assembly, a trip buckle and a lock catch which are rotatably arranged on the support frame assembly, when the trip buckle and the lock catch are locked together in a linkage matching manner, a rotating acting force is applied to the support frame assembly, a moving contact is driven by the support frame assembly to be in contact with a fixed contact, the circuit breaker is switched on, once the trip buckle and the lock catch are unlocked by stress and are separated, the circuit breaker is rapidly switched off, and meanwhile, the support frame assembly is rapidly returned under the action of a reset elastic element.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view of a split mounting structure of a circuit breaker and a switching-on/off operation device provided by the invention;
fig. 2 is a schematic perspective view of a circuit breaker and a switching-on/off operation device provided by the invention;
fig. 3 is a schematic structural diagram of the back side of the circuit breaker provided by the present invention;
fig. 4 is a schematic view of the circuit breaker trip mechanism provided by the present invention, particularly illustrating the actuating member;
fig. 5 is a schematic view of the internal structure of the circuit breaker shown in fig. 3 with the rear housing removed;
fig. 6 is a schematic structural diagram of a front surface of the circuit breaker provided by the present invention;
fig. 7 is a schematic diagram of the internal structure of the circuit breaker shown in fig. 6 with the front housing hidden;
fig. 8 is a schematic structural diagram of a linkage mechanism of a circuit breaker according to the present invention;
fig. 9 is a schematic structural diagram of an opening state of an automatic opening and closing control device of a circuit breaker according to the present invention;
fig. 10 is a schematic structural diagram of a closing state of an automatic switching-on/off control device of a circuit breaker according to the present invention;
FIG. 11 is a schematic view of the structure of FIG. 10 after the driving gear and the handle gear are hidden;
FIG. 12 is a schematic view of a driving gear and a locking member according to the present invention;
FIG. 13 is a schematic view of the driving gear and sector gear of the present invention;
FIG. 14 is a schematic structural view of the interlocking lock of the present invention;
description of reference numerals: 1-a first shell, 11-a containing groove, 12-a communicating groove, 2-a driving gear, 31-a driving gear, 32-a sector gear, 33-a locking component, 4-a handle gear, 5-a motor, 6-a linkage locking component, 61-a rotating end, 62-a transmission matching part, 621-a notch groove, 63-a driven rotating part, 64-a convex rod, 71-a handle, 72-a linkage shaft, 9-a second shell, 90-a driving groove, 91-a jump buckle, 92-a lock catch, 93-a driven part and 94-a support frame component.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The circuit breaker tripping mechanism, the switching-on/off operation device and the circuit breaker thereof according to the present invention will be further described with reference to the accompanying drawings, and it should be noted that the following description of the embodiments is provided to facilitate understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
The embodiment provides a circuit breaker tripping mechanism, referring to fig. 1-8, for driving the circuit breaker to trip at the back of the circuit breaker, including: the tripping device comprises a tripping buckle 91 and a lock catch 92 which are rotatably arranged in the circuit breaker, wherein the tripping buckle 91 and the lock catch 92 have a locking state and a tripping state; the latch 92 is formed with a driven part 93 at one side of the back of the circuit breaker; wherein still include: the back of the circuit breaker corresponds to the driving groove 90 arranged on the driven part 93, the actuating element 64 extends into the circuit breaker through the driving groove 90 and is linked with the driven part 93, and the actuating element 64 acts along the driving groove 90 and drives the lock catch 92 and the lock catch 92 to transition from a locking state to a releasing state.
In this embodiment, it should be noted that, in order to better distinguish that the trip shaft and the driven part 93 in the circuit breaker are arranged on different sides, for example, one side with the trip shaft is defined as a front side of the circuit breaker, and the other side opposite to the front side is defined as a back side of the circuit breaker, as shown in fig. 6, the front side of the circuit breaker is a front side of the circuit breaker, a trip hole is formed on an outer surface of the front side of the circuit breaker, a trip shaft capable of driving a trip opening of the circuit breaker is correspondingly arranged in the trip hole, and the position of the trip shaft is generally not selectable; therefore, fig. 3 shows the back surface of the circuit breaker, the outer surface of the back surface of the circuit breaker is formed with a driving groove, and a driven part is arranged in a corresponding range of the driving groove.
In the above embodiment, referring to fig. 3 to 5, the lock catch 92 is formed with a driven portion 93 on one side of the back surface of the circuit breaker, the driven portion and the trip shaft on the circuit breaker are disposed on different sides, and the actuating member 64 penetrates through the driving groove 90 and extends into the circuit breaker and is linked with the driven portion 93, so that the actuating member 64 and the driven portion 93 cooperate to transmit motion, thereby driving the lock catch and the lock catch to transition from a locking state to a tripping state, so as to complete the tripping operation of the circuit breaker. Compared with the prior art, the tripping device adopts a brand-new design tripping mode for driving the circuit breaker to trip on the back surface (the other surface opposite to the tripping shaft) of the circuit breaker without driving the circuit breaker to open and trip through the tripping shaft, so that the dependence on the tripping shaft of the circuit breaker is eliminated, the stress driving condition of the tripping shaft is reduced, and the sensitivity of the tripping shaft is ensured; on the other hand, reclosing device also need not be limited install have the one side of trip shaft in the circuit breaker to realize that the implementation mode of divide-shut brake device still can play the divide-shut brake function when the opposite side installation of circuit breaker, the selectivity is more, and reasonable in design makes the divide-shut brake device more comprehensive with the supporting use of circuit breaker, and application scope is wider, has fine economic benefits and market prospect.
Further preferably, according to the above embodiment, the driven part is a groove formed from the surface of the latch to one side of the driving slot, and one end of the actuating element 64 extending into the circuit breaker is accommodated in the groove, as shown in fig. 5, the groove is arranged in the protruding boss and is rectangular, so that when the latch is forced to rotate, the groove is driven to rotate together, and the movement track of the groove corresponds to the arc track of the driving slot. The operating principle of the circuit breaker tripping mechanism provided by this embodiment will now be explained: the actuating element is driven by the switching-on/off operation device, and when the circuit breaker is switched off, the actuating element 64 drives the driven part 93 to move to the switching-off position, that is, the driven part moves to the upper end of the driving groove, so that the tripping buckle 91 and the lock buckle 92 are transited from the locking state to the tripping state; when the circuit breaker is closed, the trip catch 91 and the latch 92 are interlocked and locked together, and the driven part 93 moves together with the latch 92, so as to drive the actuating element 64 to return to the closing position, that is, the driven part moves to the lower end of the driving groove. The tripping mechanism can quickly realize the tripping operation of the circuit breaker, so that the tripping action of the circuit breaker can be realized under the driving of external driving devices such as a switching-on and switching-off operation device and the like on the back or the front of the circuit breaker.
Example 2
The invention provides a circuit breaker opening and closing operation mechanism, which is used with a circuit breaker tripping mechanism in embodiment 1 with reference to fig. 1 and fig. 9-14, and is used for driving the circuit breaker tripping mechanism to execute tripping action, and comprises: the circuit breaker comprises a first shell 1, wherein a motor 5, a gear transmission mechanism and a linkage locking piece 6 are arranged in the first shell, the motor 5 rotates in a single direction and drives the gear transmission mechanism to act, the linkage locking piece 6 can be driven by the gear transmission mechanism, and the gear transmission mechanism drives a breaker handle 71 to execute breaker closing operation; in addition, the first housing 1 further includes a communication groove 12 provided corresponding to the driving groove 90; the actuating piece 64 is arranged in linkage with the linkage locking piece 6 and extends into the circuit breaker through the communication groove 12 and the driving groove 90.
In the above embodiment, the actuating member 64 is linked with the linkage locking member, and extends into the circuit breaker through the communicating groove 12 and the driving groove 90, and can be linked with the driven part on the lock catch to drive the circuit breaker to trip, therefore, in the unidirectional rotation process of the motor 5, the gear transmission mechanism drives the circuit breaker handle to execute the circuit breaker switching-on operation, the motor continues to rotate after the circuit breaker is switched on, the linkage locking member is driven to act through the gear transmission mechanism, and the circuit breaker switching-off operation is realized by means of the actuating member. In the embodiment, the stability and reliability of the transmission of the actuating element 64, the timeliness and the accuracy of tripping are ensured, the transmission matching is reliable, the opening and closing operation of the circuit breaker can be realized only by unidirectional rotation of the motor, the control structure is simple, and the service performance of a product is improved.
According to the above embodiment, it is further preferable that the gear transmission mechanism includes a driving gear 2 linked with the motor 5, a driving gear 31 engaged with the driving gear 2, and a handle gear for driving and connecting the driving gear 31 and a handle of the circuit breaker, so that the driving gear and the handle gear are engaged with each other to transmit power and motion, and the gear transmission mechanism has the characteristics of compact structure and high efficiency. A locking component 33 is arranged on one side of the driving gear 31, and the locking component 33 can drive the linkage locking piece 6 to act, so that the actuating piece 61 drives the circuit breaker to trip; the linkage locking piece 6 and the locking part 33 form a locking structure when the breaker is opened so as to keep the breaker handle 71 incapable of being manually closed in an opening state; and releasing the locking structure when the circuit breaker is switched on. The structure is arranged, the locking function of the circuit breaker is realized through the opening and closing operation device, and the circuit breaker can not be switched on under the arrearage state.
As a preferred embodiment, referring to fig. 9-11, the locking member 33 is coaxially and cooperatively disposed on one side of the driving gear 31 close to the bottom surface of the first housing 1, the locking member 33 pushes against the interlocking locking member 6 during its rotation stroke, and when the actuating member 64 moves to the limit position of the driving groove 90 or the communication groove 12, the interlocking locking member 6 and the locking member 33 are locked during the stroke. In this embodiment, the limit positions are two ends corresponding to the driving groove 90 or the communication groove 12, and the two ends are an opening position and a closing position at which the actuator 64 is opened and closed, respectively. Therefore, the opening tripping action of the circuit breaker can be completed through the actuating piece, and the matching transmission process is as follows: the locking component 33 rotates along with the driving gear 31 and pushes the linkage locking component 6 to rotate, so that the actuating component 64 is driven to move to the limit position (namely, the opening position) of the driving groove 90 or the communication groove 12 and is kept, at the moment, the actuating component 64 and the driven part 93 in the circuit breaker transmit motion, the lock catch 92 further rotates under the action of the actuating component, the closing coordination of the trip catch 91 and the lock catch 92 is relieved, the opening operation of the circuit breaker is completed, after the circuit breaker is opened, the locking component 33 stops rotating and forms a locking structure with the linkage locking component at the opening position, and the locking function of the circuit breaker is realized.
As shown in fig. 12 to 13, the locking member 33 is preferably a cam, the cam is in an arc shape, the bottom surface of the first housing 1 is formed with an arc-shaped receiving groove 11 adapted to receive the cam, the driving gear is provided with a sector gear 32 on the other side opposite to the cam, the protruding extending direction of the cam is consistent with the sector opening orientation of the sector gear, and the driving gear 31 is coaxially linked with the cam and the sector gear. The arrangement of the structure can ensure that the sector gear and the cam are at approximately the same rotating position, so that the operation sequence of automatic opening and closing is not interfered, the normal and orderly closing and opening of the opening and closing control device are realized, and the performance of the transmission structure is optimized.
The linkage locking member in this embodiment is further described with reference to fig. 9-11 and 14:
the linkage locking piece 6 comprises: the rotating end 61, the rotating end 61 is rotatably connected with the first shell 1 through a rotating shaft; and with it is transmission cooperation portion 62 and the driven portion 63 of dialling that the rotation end 61 is the contained angle setting as rotation center, locking part 33 follows driving gear 31 supports when rotating and pushes away transmission cooperation 62 portion, so that driven portion 63 of dialling winds the certain angle of pivot rotation. As a specific arrangement, the actuating member is a protruding rod disposed on one end of the driven dial part 63 and facing one side of the communicating groove 12, and two corresponding ends of the communicating groove 12 and the driving groove 90 are an opening end and a closing end, respectively, where the protruding rod is located when the protruding rod is opened and closed, and the opening end and the closing end in this embodiment only indicate the positions where the protruding rod is opened and closed. The opening and tripping process of the circuit breaker is described through the linkage locking piece 6 and the cam: when the transmission matching part 62 is pushed by the cam, the cam rotates around the rotating end 61, and drives the driven rotating part 63 to rotate along the communicating groove by taking the rotating end 61 as a rotating center, so that the convex rod moves from the closing end position to the opening end position, and the opening operation of the circuit breaker is completed through the transmission matching of the convex rod and the driven part 93 on the lock catch.
In this embodiment, the locking structure formed by the linkage locking piece 6 and the locking component 33 is a matching structure in the opening locking state, and the following detailed description is made on the locking structure with reference to fig. 12 and 14: the locking structure includes a hook end formed on the locking member 33 and a notch groove 621 formed on the transmission fitting portion 62 and adapted to connect the hook end, and the hook end can form a locking fit in a hook form with the notch groove 621. In summary, especially in the arrearage brake-separating process, the locking component drives the linkage locking component to rotate, the convex rod of the linkage locking component drives the circuit breaker to perform brake-separating operation, after the brake-separating operation is completed, a locking fit in a hook form is formed by the hook end of the locking component and the gap groove of the linkage locking component, so that a locking function is realized, at the moment, the convex rod on the linkage locking component 6 is locked on the brake-closing position of the driving groove without action, and is abutted against the action of the driven part 93, so that the circuit breaker cannot be switched on, and the situation that the circuit breaker can be switched on continuously after the arrearage is avoided. Certainly, after the payment and power supply, the motor rotates to enable the locking part 33 to be far away from the linkage locking part 6 to rotate, and the locking cooperation with the linkage locking part 6 is released, and after the circuit breaker is switched on, the driven part 93 on the circuit breaker can drive the convex rod to be far away from the switching-on position of the driving groove, so that the normal switching-off and switching-on use of the circuit breaker is recovered. The structure arrangement can realize the automatic control of the corresponding functions of defaulting and paying by the user, and is quick and effective.
Referring to fig. 9 and 10, the driving cooperation of the partial closing operation device is explained, in this embodiment, the gear transmission mechanism includes a driving gear 2, a transmission gear 3 and a handle gear 4 which are sequentially in meshing transmission, the transmission gear 3 includes the driving gear 31, a cam and a sector gear, wherein the driving gear is preferably a bevel gear, the handle gear 4 can be in meshing transmission with the sector gear, and further, the handle gear 4 is synchronously operated with the handle of the circuit breaker through a linkage shaft 72 so as to drive the circuit breaker to close. The operation process of the opening and closing operation device in this embodiment is described below with reference to fig. 9 and 10: when the circuit breaker needs to be automatically opened, the motor 5 is linked with the driving gear to drive the driving gear to rotate, so that the cam on the driving gear 31 is driven to drive the linkage locking piece to quickly open the circuit breaker, and as shown in fig. 9, the circuit breaker is in an opening state; when the circuit breaker needs to be automatically switched on, the gear transmission mechanism continues to rotate under the driving of the motor, the sector gear 32 on the driving gear 31 is driven to be in meshed transmission with the handle gear, and then the circuit breaker handle 71 is driven to be switched on through the linkage shaft, as shown in fig. 10, the circuit breaker is in a switching-on state at the moment.
Example 3
This embodiment provides a circuit breaker, refer to fig. 1-fig. 2(A shows the circuit breaker, B shows divide-shut brake operating means), including the circuit breaker tripping device in embodiment 1 with install embodiment 2 in circuit breaker divide-shut brake operating means, circuit breaker divide-shut brake operating means sets up in with the circuit breaker in the opposite side of trip shaft orientation, therefore has naturally all advantages that bring because of setting up above-mentioned circuit breaker tripping device and divide-shut brake operating means, can realize long-range divide-shut brake control through cooperating with the prepayment ammeter, and satisfy the intelligent requirement of the power supply network of our country.
As shown in fig. 5 and 8, the circuit breaker further includes a second housing 9, a linkage mechanism and a contact mechanism are disposed in the second housing, and the linkage mechanism can drive a moving contact and a fixed contact in the contact mechanism to contact or separate. In a specific embodiment, the linkage mechanism comprises a breaker handle 71, a holder assembly 94, and a jumper 91 and a lock catch 92 rotatably disposed on the holder assembly, wherein the breaker handle 71 is rotatably connected to the jumper 91 through a link, so that the breaker handle is rotated to pull the jumper through the link (not shown); the moving contact is installed in cooperation with the supporting frame assembly and acts synchronously with the supporting frame assembly 94, and the supporting frame assembly is composed of two supporting frames which are coaxially arranged in a linkage mode. When the trip buckle 91 and the lock catch 92 are locked together in a linkage matching manner, a rotating acting force is applied to the support frame assembly 94, the support frame assembly 94 drives the moving contact to be in contact with the fixed contact, the circuit breaker is switched on, once the trip buckle 91 and the lock catch 92 are unlocked by stress and are tripped and separated, the circuit breaker is switched off rapidly, and meanwhile the support frame assembly rapidly returns under the action of the reset elastic piece.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (12)
1. A circuit breaker trip mechanism comprising: the tripping device comprises a tripping buckle (91) and a lock catch (92) which are rotatably arranged in the circuit breaker, wherein the tripping buckle (91) and the lock catch (92) have a locking state and a tripping state; the method is characterized in that:
a driven part (93) is formed on one side of the lock catch (92) opposite to the side of the release shaft in the circuit breaker;
further comprising: the circuit breaker is provided with a driving groove (90) corresponding to the driven part (93), an actuating piece (64) extends into the circuit breaker through the driving groove (90) and is arranged in a linkage manner with the driven part (93), and the actuating piece (64) acts along the driving groove (90) and drives the jump buckle (91) and the lock buckle (92) to transit from a locking state to a tripping state;
a locking member (33) stroke-locked with the actuator (64) when the actuator (64) moves to the drive groove (90) limit position.
2. A circuit breaker trip mechanism according to claim 1, wherein: the driven part (93) is a groove formed in one side, facing the driving groove (90), of the lock catch (92), one end, extending into the breaker, of the actuating piece (64) is accommodated in the groove, the actuating piece (64) drives the driven part (93) to move to a brake opening position when the breaker is opened, and the actuating piece (64) is driven by the driven part (93) to return to a brake closing position when the breaker is closed.
3. A circuit breaker opening and closing operation device, used in conjunction with the circuit breaker tripping mechanism of claim 1 or 2, for driving the circuit breaker tripping mechanism to perform a tripping action, comprising:
the circuit breaker comprises a first shell (1), wherein a motor (5), a gear transmission mechanism and a linkage locking piece (6) are arranged in the first shell, the motor drives the gear transmission mechanism to act, the linkage locking piece (6) can be driven by the gear transmission mechanism, and the gear transmission mechanism drives a breaker handle (71) to execute the closing operation of the circuit breaker;
the first shell (1) further comprises a communication groove (12) which is arranged corresponding to the driving groove (90);
the actuating piece (64) and the linkage locking piece (6) are arranged in a linkage mode and extend into the circuit breaker through the communication groove (12) and the driving groove (90).
4. The circuit breaker opening and closing operation device according to claim 3, wherein:
the gear transmission mechanism comprises a driving gear (2) linked with the motor (5) and a driving gear (31) meshed with the driving gear (2), and a handle gear for driving the driving gear (31) and the handle of the breaker.
5. The circuit breaker opening and closing operation device according to claim 4, wherein:
the driving gear (31) is provided with a locking component (33), and the locking component (33) can drive the linkage locking piece (6) to act so that the actuating piece (64) drives the circuit breaker to trip; the linkage locking piece (6) and the locking part (33) form a locking structure when the breaker is opened so as to keep the breaker handle incapable of being manually closed in an opening state; and releasing the locking structure when the circuit breaker is switched on.
6. The circuit breaker opening and closing operation device according to claim 5, wherein:
the locking component (33) is coaxially arranged on one side, close to the bottom surface of the first shell (1), of the driving gear (31) in a linkage mode, the locking component (33) pushes the linkage locking piece (6) in the rotating stroke of the locking component, and when the actuating piece (64) moves to the limit position of the driving groove (90) or the communication groove (12), the linkage locking piece (6) and the locking component (33) are locked in a stroke mode.
7. The circuit breaker opening and closing operation device according to claim 6, wherein:
the locking component (33) is a cam which is arc-shaped, and an arc-shaped containing groove (11) suitable for containing the cam is formed in the bottom surface of the first shell (1); the other side of the driving gear, which is opposite to the cam, is provided with a sector gear (32), and the protruding extending direction of the cam is consistent with the sector opening of the sector gear.
8. The circuit breaker opening and closing operation device according to claim 7, wherein:
the linkage locking piece (6) comprises: the rotating end (61), the rotating end (61) is rotatably connected with the first shell (1) through a rotating shaft; and with rotation end (61) is transmission cooperation portion (62) and the driven portion of dialling (63) that the contained angle set up as rotation center, locking part (33) follow drive gear (31) support when rotating and push away transmission cooperation portion (62), so that driven portion of dialling (63) is wound the rotatory certain angle of pivot.
9. The circuit breaker opening and closing operation device according to claim 8, wherein:
the actuating piece is a convex rod which is arranged on one end of the driven poking part (63) and faces to one side of the communication groove (12); and the two corresponding ends of the communicating groove (12) and the driving groove (90) are respectively an opening end and a closing end where the convex rod is positioned when the convex rod is opened and closed.
10. The circuit breaker opening and closing operation device according to claim 8, wherein:
the locking structure comprises a hook end formed on the cam and a notch groove (621) formed on the transmission matching part (62) and suitable for being connected with the hook end, and the hook end can be matched with the notch groove (621) in a hook mode in a locking mode.
11. A circuit breaker, comprising the circuit breaker tripping mechanism according to claim 1 or 2, and the circuit breaker opening and closing operation device according to any one of claims 3 to 10, the circuit breaker opening and closing operation device being provided on a side opposite to a direction of a tripping axis in the circuit breaker, further comprising:
and the second shell (9) is internally provided with a linkage mechanism and a contact mechanism, and the linkage mechanism can drive a moving contact and a fixed contact in the contact mechanism to be contacted or separated.
12. A circuit breaker according to claim 11, wherein: the linkage mechanism comprises a breaker handle, a supporting frame assembly (94), and a jump buckle and a lock catch which are rotatably arranged on the supporting frame assembly, wherein the breaker handle is rotatably connected with the jump buckle through a connecting rod; the moving contact is matched with the supporting frame assembly and acts synchronously with the supporting frame assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710277298.4A CN106935450B (en) | 2017-04-25 | 2017-04-25 | Circuit breaker tripping mechanism, opening and closing operation device and circuit breaker thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710277298.4A CN106935450B (en) | 2017-04-25 | 2017-04-25 | Circuit breaker tripping mechanism, opening and closing operation device and circuit breaker thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106935450A CN106935450A (en) | 2017-07-07 |
| CN106935450B true CN106935450B (en) | 2020-01-14 |
Family
ID=59437021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710277298.4A Active CN106935450B (en) | 2017-04-25 | 2017-04-25 | Circuit breaker tripping mechanism, opening and closing operation device and circuit breaker thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106935450B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359092B (en) * | 2017-09-04 | 2019-09-03 | 环宇集团浙江高科股份有限公司 | The electronic close/open machine of breaker |
| CN107749382B (en) * | 2017-11-16 | 2021-01-05 | 浙江人民电器有限公司 | Operation structure of circuit breaker, circuit breaker and control method |
| CN109216119A (en) * | 2018-09-27 | 2019-01-15 | 杭州四方博瑞科技股份有限公司 | Automatically controlled switching off/on device suitable for intelligent breaker |
| CN110085494A (en) * | 2019-06-03 | 2019-08-02 | 浙江思创电力科技股份有限公司 | A kind of breaker with anti-error closing device |
| CN113823536A (en) * | 2021-11-04 | 2021-12-21 | 贵州泰永长征技术股份有限公司 | Intelligent miniature circuit breaker control method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10124353A1 (en) * | 2001-05-18 | 2002-12-05 | Siemens Ag | Switch mechanism for protective switch has locking device and release lever integrated into switch handle |
| CN205752067U (en) * | 2016-05-17 | 2016-11-30 | 乐清市尔安电气科技有限公司 | A kind of control device of chopper |
| CN206040568U (en) * | 2016-08-12 | 2017-03-22 | 北京明日电器设备有限责任公司 | Miniature circuit breaker's automatic opening/closing switching device |
| CN206907723U (en) * | 2017-04-25 | 2018-01-19 | 浙江智美电气有限公司 | A kind of breaker tripping mechanism, breaking-closing operating device and its a kind of breaker |
-
2017
- 2017-04-25 CN CN201710277298.4A patent/CN106935450B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10124353A1 (en) * | 2001-05-18 | 2002-12-05 | Siemens Ag | Switch mechanism for protective switch has locking device and release lever integrated into switch handle |
| CN205752067U (en) * | 2016-05-17 | 2016-11-30 | 乐清市尔安电气科技有限公司 | A kind of control device of chopper |
| CN206040568U (en) * | 2016-08-12 | 2017-03-22 | 北京明日电器设备有限责任公司 | Miniature circuit breaker's automatic opening/closing switching device |
| CN206907723U (en) * | 2017-04-25 | 2018-01-19 | 浙江智美电气有限公司 | A kind of breaker tripping mechanism, breaking-closing operating device and its a kind of breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106935450A (en) | 2017-07-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106935450B (en) | Circuit breaker tripping mechanism, opening and closing operation device and circuit breaker thereof | |
| US4649244A (en) | Control device of an electric circuit breaker | |
| WO2017020816A1 (en) | Circuit breaker energy storage operating mechanism | |
| CN108470657B (en) | Three-station mechanism of combined electrical apparatus | |
| CN108320981B (en) | Manual and electric load switch three-station mechanism | |
| CN207558721U (en) | A kind of device for driving the automatic divide-shut brake of breaker | |
| CN211654742U (en) | Operating mechanism of circuit breaker | |
| CN115148558A (en) | Operating mechanism of switch | |
| WO2017020819A1 (en) | Circuit breaker interlocking apparatus | |
| CN201256130Y (en) | Improved circuit breaker | |
| CN215834424U (en) | Operating device and rotary switch | |
| CN107424884B (en) | Energy storage type electric operating mechanism for molded case circuit breaker | |
| CN211350533U (en) | Operating mechanism of circuit breaker | |
| CN212783315U (en) | Automatic switching-on and switching-off circuit breaker | |
| CN214848453U (en) | Operating mechanism of switch | |
| CN110534379B (en) | 4P leakage circuit breaker with leakage indicating mechanism | |
| CN204905182U (en) | Circuit breaker exchanges formula operating device | |
| CN212676186U (en) | Automatic switching-on and switching-off circuit breaker | |
| CN113284771A (en) | Intelligent miniature circuit breaker | |
| CN210349736U (en) | Plug-in type miniature circuit breaker | |
| CN210272221U (en) | 4P electric leakage circuit breaker with electric leakage indication mechanism | |
| CN210349738U (en) | Plug-in type miniature circuit breaker | |
| CN210272220U (en) | Electric leakage circuit breaker with electric leakage indicating mechanism | |
| CN112992620A (en) | Operating mechanism of circuit breaker | |
| CN210805666U (en) | Automatic opening and closing mechanism of 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 |