CN209169082U - A kind of intelligent breaker - Google Patents

Abstract

The utility model discloses a kind of intelligent breakers, including L pole housing, N pole housing, circuit breaker components, control module, with the trip gear and reclosing device for being set to N pole housing, the reclosing device includes driving motor and the gear drive for connecting driving motor and circuit breaker handle；Trip gear driving operating mechanism tripping separating brake when electric leakage and/or overload occur for breaker comprising buckle releaser and the transmission parts being arranged between buckle releaser and operating mechanism.Using the technical program; by trip gear and reclosing device together with the reasonable integration of the pole N; reduce breaker integral thickness and volume; and the reasonably optimizing pole N internal structure, utilize the pole N being optimal of space, topology layout is compact; guarantee the globality and safety of intelligent breaker; and have the function of automatic divide-shut brake and a variety of tripping defencive functions, cost is reduced, the miniaturization of circuit breaker is advantageously implemented.

Description

A kind of intelligent breaker

Technical field

The utility model relates to low voltage electrical apparatus technology fields, and in particular to a kind of intelligent breaker.

Background technique

In smart grid, the use of this electric energy metering device of pre-paying kilowatt-hour meter is also more more and more universal, needs to grasp manually The breaker of work has been unable to satisfy the requirement of smart grid, therefore, need to match pre-paying kilowatt-hour meter exclusively with intelligent open circuit Device product is, it can be achieved that the automatic breaking-closing operating of breaker.

This intelligent reclosing breaker is installation recloser device on the basis of miniature circuit breaker, is passed through Recloser device drives breaker to realize automatic brake separating or combined floodgate, and existing recloser device is individually to be assembled in open circuit Device side includes mainly motor and gear drive, this undoubtedly increases the volume of miniature circuit breaker.

Especially with the pole N miniature circuit breaker in mating recloser device in use, N electrode systems and electronic coincidence Brake gear respectively occupies a modulus shell, and N electrode systems are typically provided with the pole N contact mechanism and leakage protection module, and space is limited.Though Also have in right existing design by recloser device be added to N extremely in way, i.e., motor and gear drive are fixed Be installed to N extremely in, but this setup generally requires to sacrifice earth leakage protective part in practical applications, if individually peripheral hardware leakage Electric module, structure is again extremely complex, thus loses use meaning of the pole N on miniature circuit breaker, is unfavorable for breaker Safety in utilization, in conclusion three moduluses need to be occupied when the mating recloser device use of existing band N minimal type breaker Shell, volume is big, the pole N structure unreasonable allocation, is unfavorable for the trend toward miniaturization development of miniature circuit breaker, and cost is again high, institute Should guarantee breaker globality and safety, the pole reasonably optimizing N structure is again to reduce overall volume, this high degree Improve the design difficulty to small intelligent breaker.

Utility model content

Therefore, the purpose of the utility model is to overcome the deficiencies in the prior art, so that it is whole to provide a kind of guarantee breaker Body and safety, and reasonably optimizing N pole structure reduces cost and design difficulty to reduce overall volume, is advantageously implemented production The intelligent circuit breaker of product miniaturization.

To achieve the above object, the utility model provides a kind of intelligent breaker, including L pole housing, N pole housing, open circuit Device component, control module, the circuit breaker components include being respectively arranged at the moving contact of the L pole housing and N pole housing and quiet Contact, and drive the moving contact and static contact contact or isolated operating mechanism, further includes:

Trip gear is set to the N pole housing, when electric leakage and/or overload occur for breaker by the control module Control and drive operating mechanism tripping separating brake comprising buckle releaser and setting the buckle releaser and the operating mechanism it Between transmission parts, the transmission parts are driven by the buckle releaser；

Reclosing device is set to the trip gear side, including driving motor and connection in the N pole housing The gear drive of the driving motor and circuit breaker handle, the gear drive is under the driving of the driving motor Circuit breaker handle is driven to execute divide-shut brake movement；The control module is opened or closed for controlling the reclosing device.

As a preferred embodiment, the buckle releaser includes having to drive the transmission parts to drive the behaviour when being triggered Make the driving mandril that mechanism makees tripping separating brake movement.

As a preferred embodiment, the operating mechanism includes the tripping frame equipped with tripping boss, the transmission parts packet It includes:

Release lever is rotatably dispose in the N pole housing, and one end is to cooperate the driven end to offset with the driving mandril, The other end is the effect end with the tripping boss cooperation；

Dynamic clamping head and quiet clamping head, biasing force drive the release lever to make to reset fortune after the active force of the driving mandril disappears It is dynamic.

As a preferred embodiment, the side side at the effect end forms the push rod extended towards the tripping boss, Other side side forms the nose bar extended backwards to the push rod, and the push rod is with pushing the tripping in release lever rotation process Boss.

As a preferred embodiment, the dynamic clamping head and quiet clamping head is the torsion being set in the fixing seat of the N pole housing setting Spring, the elongated end cooperation of the torsional spring are resisted against on the nose bar at the effect end.

As a preferred embodiment, the control module controls the driving motor operating, the gear drive packet Include the driving gear that linkage is arranged in the driving motor shaft, and the hand that linkage is arranged in the rotation axis of circuit breaker handle Handle gear, and the multiple transmission gears being engaged between the driving gear and the handle gear.

It as a preferred embodiment, further include several detection devices being set in breaker, the detection device is used for Obtain the electrical parameter information for passing through circuit breaker internal circuit；The control module is electrically connected with several detection devices, is used The trip gear is driven in the reception electrical parameter information, and when the electrical parameter information exceeds and presets range Movement.

As a preferred embodiment, several detection devices include:

Creepage mutual inductor is arranged in the L pole housing, for obtaining the leakage current letter by circuit breaker internal circuit Breath；

Current transformer is arranged in the L pole housing, for obtaining the current information for passing through circuit breaker internal circuit；

Temperature sensor is arranged in the N pole housing, for obtaining the temperature information of circuit breaker internal.

It as a preferred embodiment, further include the intelligent controlling device for being mounted on N pole housing side, the control mould Block is the control circuit board being arranged in the intelligent controlling device or the N pole housing.

As a preferred embodiment, the intelligent controlling device includes:

Device housing is assembled in N pole housing side；

Display screen is set to described device case top, for showing the work state information of breaker；

Film key is fitted in above the display screen, for adjusting the running parameter of the intelligent controlling device；

Power supply control signal mouth, is arranged on one end of described device shell.

The above-mentioned technical proposal of the utility model has the advantage that compared with prior art

1. in intelligent breaker provided by the utility model, being filled by the way that trip gear and reclosing are arranged in N pole housing It sets, when control module detects that the failures such as electric leakage, overload occur for breaker, drives operating mechanism de- by the trip gear Deduction of points lock makes breaker voluntarily cut off circuit so that the dynamic and static contact of the pole L and the pole N be driven to separate, also, can use weight again Closing device realizes the automatic breaking-closing operating of breaker, and design is advantageous in that in this way, by trip gear and reclosing device Together with the reasonable integration of the pole N, without in addition assembled reclosing shell, it can be reduced breaker integral thickness and volume, close simultaneously Reason optimizes the pole N internal structure, makes to form tripping matching relationship between its operating mechanism and trip gear, thus by tripping dress It sets concentration and realizes the defencive functions such as electric leakage and overload, topology layout is compact, functional, guarantees the globality and safety of breaker Property.In conclusion the intelligent breaker of the utility model has the function of automatic divide-shut brake, and there are a variety of tripping defencive functions, The pole N being optimal of space is utilized, volume is reduced, reduces production cost, is advantageously implemented the miniaturization hair of intelligent breaker Exhibition.

2. in intelligent breaker provided by the utility model, by driving mandril to push the tripping when buckle releaser is triggered The driven end of bar, and then drive the release lever to do positive tripping rotation, and push the tripping boss of tripping frame by acting on end, Driving operating mechanism is unbuttoned, thus realize the tripping separating brake of breaker, and after completing circuit breaker tripping movement, the tripping Bar realizes reversed resetting movement by the biasing force of dynamic clamping head and quiet clamping head, so that the proper motion of no longer limitation tripping boss, is protected Card breaker can close a floodgate again again, cooperate reliable transmission, triggering promptly and accurately, it is ensured that the sensitivity of circuit breaker tripping separating brake and Reliability, safety are good.

3. in intelligent breaker provided by the utility model, the dynamic clamping head and quiet clamping head is torsional spring, the elongated end of the torsional spring Cooperation is resisted against on the nose bar at the effect end, and the biasing force being applied on effect end drives release lever to turn to initial position reset It is dynamic, so that release lever has reset function, whole transmission performance is improved, guarantees the sensitivity and standard of buckle releaser triggering release lever Exactness.

4. in intelligent breaker provided by the utility model, the gear drive by successively engage driving gear, Multiple transmission gears and handle gear are constituted, and the transmission no-load voltage ratio between multiple gears is significantly increased, and significantly play raising transmission The effect of torque greatly reduces the load of motor in the case where identical switching force, is conducive to improve motor and intelligence open circuit The service life of device, cooperation pre-paying kilowatt-hour meter can realize long-range divide-shut brake control.

5. in intelligent breaker provided by the utility model, by the way that several detection devices are arranged in breaker, for real When acquisition pass through the electrical parameter information of circuit breaker internal circuit, such as the electric current of Acquisition Circuit, voltage, leakage current, temperature rise Etc. information, then the electrical parameter information that dry detection device issues is received by the control module, and in electrical parameter information Beyond it is described preset range when control trip gear movement, effective guarantee breaker occur overload, electric leakage, overvoltage/undervoltage, Can voluntarily trip power-off when crossing the failures such as undercurrent, realize intelligent control, securely and reliably.

6. in intelligent breaker provided by the utility model, N pole housing side is equipped with intelligent controlling device, described Intelligent controlling device is equipped with display screen and film key, intuitively analyzes the working condition of breaker convenient for staff in this way Information, and the running parameter of the intelligent controlling device can be adjusted by operation film key, it is ensured that intelligent breaker Safe operation, control is convenient for management, meets China's supply network intelligent requirements.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described.

Fig. 1 is the schematic perspective view of intelligent breaker provided by the utility model；

Fig. 2 is the schematic diagram of internal structure of the N pole housing of the utility model, specifically shown trip gear and reclosing dress It sets；

Fig. 3 is the schematic diagram of internal structure of the L pole housing of the utility model；

Fig. 4 is the main view of the release lever of the utility model；

Fig. 5 is the top view of the release lever of the utility model；

Description of symbols: 1-L pole housing, 10- circuit breaker handle, 11- creepage mutual inductor, 12- current transformer, 2-N Pole housing, 3- intelligent controlling device, 31- display screen, 32- film key, 33- power supply control signal mouth, 4- operating mechanism, 41- tripping boss, 5- trip gear, 51- buckle releaser, 511- drive mandril, 52- release lever, 521- driven end, 522- effect End, 523- push rod, 524- nose bar, 53- dynamic clamping head and quiet clamping head, 6- reclosing device, 61- driving motor, 62- drive gear, 63- hand Handle gear, 64- transmission gear.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

Embodiment 1

The utility model provides a kind of intelligent breaker as shown in Figs. 1-5, including L pole housing 1, N pole housing 2, open circuit Device component, control module, the circuit breaker components include be respectively arranged at the L pole housing 1 and N pole housing 2 moving contact and Static contact, and drive the moving contact and static contact contact or isolated operating mechanism 4, wherein the pole L and the pole N are moved Contact is that linkage is arranged on operating mechanism, to realize the synchronism of the pole L and the pole N contact action, further includes:

Trip gear 5 is set to the N pole housing 2, when electric leakage and/or overload occur for breaker by the control mould Block controls and drives the tripping of operating mechanism 4 separating brake comprising buckle releaser 51 and setting are in the buckle releaser 51 and the behaviour Make the transmission parts between mechanism 4, the transmission parts are driven by the buckle releaser 51 and the operating mechanism is driven to act；

Reclosing device 6, be set in the N pole housing 25 side of trip gear, including driving motor 61 with And the gear drive of the connection reclosing device 6 and circuit breaker handle 10, the gear drive is in the driving Circuit breaker handle 10 is driven to execute divide-shut brake movement under the driving of motor 61；The control module is for controlling the reclosing dress 6 are set to open or close.

In above embodiment, by the way that trip gear 5 and reclosing device 6 are arranged in N pole housing, when control module is examined When measuring the failures such as breaker generation electric leakage, overload, the tripping separating brake of operating mechanism 4 is driven by the trip gear 5, thus band The dynamic and static contact separation of the dynamic pole L and the pole N, makes breaker voluntarily cut off circuit, also, can use the realization of reclosing device 6 again The automatic breaking-closing operating of breaker, design is advantageous in that in this way, and trip gear 5 and reclosing device 6 and N is extremely rationally whole It is combined, without in addition assembled reclosing shell, can be reduced breaker integral thickness and volume, while the reasonably optimizing pole N Internal structure makes to form tripping matching relationship between its operating mechanism and trip gear, to can concentrate by trip gear 5 Realize the defencive functions such as electric leakage and overload, topology layout is compact, functional, guarantees the globality and safety of breaker.It is comprehensive Upper described, the intelligent breaker of the utility model has the function of automatic divide-shut brake, and has a variety of tripping defencive functions, makes the pole N Being optimal of space utilizes, and design rationally, reduces volume, reduces production cost, is advantageously implemented the small-sized of intelligent breaker Change development.

In the present embodiment, the buckle releaser 51 includes having to drive the transmission parts 52 to drive the behaviour when being triggered Make the driving mandril 511 that mechanism makees tripping separating brake movement, the control module has the function of processing data information, using it as core The heart by procedural agreement or route centralized control other equipment, i.e., the described control module respectively with the trip gear 5 and be overlapped 6 communication connection of brake gear, therefore, if the Programmable detection of control module to dependent failure, such as detect electric leakage, over-voltage, it is under-voltage, When overload, temperature rise are excessively high, a series of trip actions can be executed by triggering the buckle releaser 51, make operation machine Structure threads off separating brake to drive moving contact and static contact to separate, and guarantees line security.

It elaborates below with reference to the specific set-up mode of Fig. 2, Fig. 4-5 pairs of transmission parts and operating mechanism:

The operating mechanism is arranged between L pole housing 1 and N pole housing 2 comprising the tripping equipped with tripping boss 41 Frame, frame of threading off is for realizing the trip action of operating mechanism, and further, the transmission parts include that release lever 52 and elasticity are multiple Position part 53, wherein the release lever 52 is rotatably dispose in the N pole housing 2, and one end is to cooperate with the driving mandril 511 The driven end 521 to offset, the other end are the effect end 522 cooperated with the tripping boss 41, and the driven end 521 is in straight Shape, effect end 522 is in bending-like, and the two is rotated synchronously around axis；The biasing force of the dynamic clamping head and quiet clamping head 53 drives the tripping Bar 52 makees resetting movement, this structure setting, when the buckle releaser 51 is triggered after the active force of the driving mandril disappears The driven end of the release lever 52 is pushed by the driving mandril, and then drives the release lever 52 to do positive tripping and turns It moves, and pushes the tripping boss 41 of tripping frame by acting on end 522, driving operating mechanism 4 is unbuttoned, to realize the tripping of breaker Separating brake, and after completing circuit breaker tripping movement, the release lever 52 is realized reversed by the biasing force of dynamic clamping head and quiet clamping head 53 Resetting movement, thus no longer limitation tripping boss proper motion, guarantee breaker can close a floodgate again again, cooperation transmission can It leans on, triggering is promptly and accurately, it is ensured that the sensitivity and reliability of circuit breaker tripping separating brake, safety are good.It should be noted that herein Middle signified rotating forward or rotate backward only indicates to touch rotation direction that a components rotate twice on the contrary, without indicating practical Rotation direction.

As a kind of specific set-up mode, the side side at the effect end 522 is formed to be extended towards the tripping boss Push rod 523, other side side form backwards to the push rod extend nose bar 524, it is described to push away 523 with release lever rotation process In push the tripping boss 41, it is described and in order to guarantee that release lever can reset rapidly under the action of dynamic clamping head and quiet clamping head Dynamic clamping head and quiet clamping head 53 is preferably the torsional spring being set in the fixing seat that the N pole housing 2 is arranged, the elongated end cooperation of the torsional spring It is resisted against on the nose bar at the effect end 522, the other end is arranged in fixing seat, and the torsional spring is applied to the bias on effect end Power drives release lever 52 to reset to initial position and rotates, so that release lever 52 has reset function, improves whole transmission performance, Guarantee the sensitivity and accuracy of buckle releaser triggering release lever.

It elaborates below with reference to specific set-up mode of the Fig. 2 to gear drive:

The shaft that the control module controls the driving motor 62 operates forward or backwards, the gear drive Including the driving gear 62 being arranged in 62 shaft of driving motor that links, and linkage, the circuit breaker handle 10 is set Handle gear 63 in rotation axis, and the multiple driving cogs being engaged between the driving gear 62 and the handle gear 63 Wheel 64, wherein handle gear 63 and the preferably circular gear of transmission gear 64, the rotation of the circuit breaker handle 10 setting pole the L shell On body and the operating mechanism is connected, the rotation axis and circuit breaker handle are coupled and are rotatably connected on L pole housing and the pole N On shell, it is arranged by above structure, drives circuit breaker handle 10 to execute by rotation axis when the handle gear 63 rotates and divide Closing operation, and after being engaged by multiple gears, so that transmission no-load voltage ratio is significantly increased, significantly play raising driving force The effect of square, and accordingly slow down, in the case where identical switching force, the load of motor is greatly reduced, is conducive to improve motor And the service life of intelligent breaker, and in conjunction with pre-paying kilowatt-hour meter may be implemented when subscriber arrearage after automatic brake separating and payment from The respective control function of dynamic circuit connector lock, it is effective and rapid.

It further include several detection devices being set in breaker, the inspection in intelligent breaker provided in this embodiment It surveys device and is used to obtain the electrical parameter information by circuit breaker internal circuit, the i.e. electric current, voltage of Acquisition Circuit, electric leakage electricity The information such as stream, temperature rise, the control module are electrically connected with several detection devices, for receiving the electrical parameter information, Ability with actual parameter values sizes such as processing analysis electric current, voltage, leakage current, temperature, and believe in the electrical parameter Breath ensures that overload, electric leakage, overvoltage/undervoltage, mistake are occurring for breaker beyond driving the trip gear 5 to act when presetting range Can voluntarily trip power-off when the failures such as undercurrent, realize intelligent control, securely and reliably.

It is done further preferably according to above embodiment, with reference to Fig. 3, several detection devices include creepage mutual inductor 11, current transformer 12 and temperature sensor, the creepage mutual inductor 11 are arranged in the L pole housing 1, pass through for obtaining The leakage current information of circuit breaker internal circuit, is able to detect leak current fault；The current transformer 12 is arranged in the pole L shell In body 1, for obtaining the current information for passing through circuit breaker internal circuit, it is able to detect overload fault；The temperature sensor is set It sets in the N pole housing 2, for obtaining the temperature information of circuit breaker internal, so that control module can obtain disconnected Current information, leakage current information and the temperature information of road device realize breaker intelligent control convenient for more preferable.

As shown in Figure 1, further including the intelligent controlling device 3 for being mounted on 2 side of N pole housing, the control module is Control circuit board (non-display control module in attached drawing) in the intelligent controlling device 3 or the N pole housing 2 is set, this Control module can both be incorporated in N pole housing 2, control module can also be incorporated according to different designs demand by sample In intelligent controlling device 3, reasonably optimizing structure reduces occupied space, has the function that reduce overall volume.

As a preferred implementation manner, as shown in Figure 1, the intelligent controlling device 3 includes device housing, display screen 31, film key 32, power supply control signal mouth 33, specifically when setting, described device shell is assembled in the N pole housing 2 one Side；The display screen 31 is set to described device case top, for showing the work state information of breaker；The film is pressed Key 32 is fitted in 31 top of display screen, for adjusting the running parameter of the intelligent controlling device 3；The power supply control is defeated Inbound port 33 is arranged on one end of described device shell, it can be achieved that remote control, by above structure it is found that operator is logical Crossing the display screen 31 intuitively can observe and analyze the work state information of breaker, on this basis, and can pass through The film key 32 is operated to adjust the running parameter of the intelligent controlling device 3, it is ensured that the safe operation of intelligent breaker, It controls convenient for management, develops intelligent breaker to multi-functional direction, meet China's supply network intelligent requirements.

Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or It changes among the protection scope created still in the utility model.

Claims (10)

1. a kind of intelligent breaker, including L pole housing (1), N pole housing (2), circuit breaker components, control module, the breaker Component includes the moving contact and static contact for being respectively arranged at the L pole housing (1) and N pole housing (2), and the driving dynamic touching Head and static contact contact or isolated operating mechanism (4), which is characterized in that further include:

Trip gear (5) is set to the N pole housing (2), when electric leakage and/or overload occur for breaker by the control mould Block controls and the operating mechanism (4) is driven to thread off separating brake comprising buckle releaser (51) and be arranged in the buckle releaser (51) and Transmission parts between the operating mechanism (4), the transmission parts are driven by the buckle releaser (51)；

Reclosing device (6) is set to the trip gear (5) side, including driving motor in the N pole housing (2) (61) and the gear drive of the connection reclosing device (6) and circuit breaker handle (10), the gear drive Circuit breaker handle is driven to execute divide-shut brake movement under the driving of the driving motor (61).

2. a kind of intelligent breaker according to claim 1, it is characterised in that: the buckle releaser (51) includes having to be touched The driving mandril (511) for driving the transmission parts that the operating mechanism is driven to make tripping separating brake movement when hair.

3. a kind of intelligent breaker according to claim 2, it is characterised in that: the operating mechanism (4) includes being equipped with to take off The tripping frame of boss (41) is detained, the transmission parts include:

Release lever (52), is rotatably dispose in the N pole housing (2), and one end offsets with the driving mandril (511) cooperation Driven end (521), the other end are the effect end (522) with tripping boss (41) cooperation；

Dynamic clamping head and quiet clamping head (53), biasing force drive the release lever (52) to answer after the active force of the driving mandril disappears Position movement.

4. a kind of intelligent breaker according to claim 3, it is characterised in that: the side side of effect end (522) The push rod (523) extended towards the tripping boss is formed, other side side forms the nose bar extended backwards to the push rod (524), the push rod (523) is with pushing the tripping boss (41) in release lever rotation process.

5. a kind of intelligent breaker according to claim 4, it is characterised in that: the dynamic clamping head and quiet clamping head (53) is to be set in The elongated end cooperation of torsional spring in the fixing seat of N pole housing (2) setting, the torsional spring is resisted against the effect end (522) Nose bar on.

6. a kind of intelligent breaker according to any one of claims 1-5, it is characterised in that: the control module control Driving motor (61) operating, the gear drive include the drive that linkage is arranged in the driving motor (61) shaft Moving gear (62), and the handle gear (63) that linkage is arranged in the rotation axis of the circuit breaker handle (10), and be engaged on Multiple transmission gears (64) between driving gear (62) and the handle gear (63).

7. a kind of intelligent breaker according to any one of claims 1-5, it is characterised in that: further include being set to open circuit Several detection devices in device, the detection device are used to obtain the electrical parameter information by circuit breaker internal circuit；It is described Control module is electrically connected with several detection devices, is believed for receiving the electrical parameter information, and in the electrical parameter Breath, which exceeds, drives the trip gear (5) to act when presetting range.

8. a kind of intelligent breaker according to claim 7, it is characterised in that: several detection devices include:

Creepage mutual inductor (11), setting is in the L pole housing (1), for obtaining the electric leakage electricity for passing through circuit breaker internal circuit Stream information；

Current transformer (12), setting is in the L pole housing (1), for obtaining the electric current letter by circuit breaker internal circuit Breath；

Temperature sensor, setting is in the N pole housing (2), for obtaining the temperature information of circuit breaker internal.

9. a kind of intelligent breaker according to claim 8, it is characterised in that: further include being mounted on the N pole housing (2) The intelligent controlling device (3) of side, the control module are to be arranged in the intelligent controlling device (3) or the N pole housing (2) In control circuit board.

10. a kind of intelligent breaker according to claim 9, it is characterised in that: the intelligent controlling device (3) includes:

Device housing is assembled in N pole housing (2) side；

Display screen (31), is set to described device case top, for showing the work state information of breaker；

Film key (32) is fitted in above the display screen (31), and the work for adjusting the intelligent controlling device (3) is joined Number；

Power supply control signal mouth (33), is arranged on one end of described device shell.