CN105513915A - Intelligent circuit breaker combined device - Google Patents
Intelligent circuit breaker combined device Download PDFInfo
- Publication number
- CN105513915A CN105513915A CN201610085910.3A CN201610085910A CN105513915A CN 105513915 A CN105513915 A CN 105513915A CN 201610085910 A CN201610085910 A CN 201610085910A CN 105513915 A CN105513915 A CN 105513915A
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- CN
- China
- Prior art keywords
- circuit breaker
- controller
- intelligent
- breaker
- moving contact
- 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.)
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Classifications
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- 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
- H01H71/24—Electromagnetic mechanisms
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/145—Indicating the presence of current or voltage
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
- H01H1/502—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position the action of the contact pressure spring becoming active only after engagement of the contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
- H01H5/04—Energy stored by deformation of elastic members
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- 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
Abstract
The invention provides an intelligent circuit breaker combined device. A current detecting piece is arranged in a circuit breaker. The current value of a circuit in the circuit breaker is obtained through the current detecting piece and then sent into a controller of an intelligent control device on one side of the circuit breaker, and the controller makes a judgment according to the received current value, and controls and starts an action mechanism to drive the circuit breaker to be released when the current value is in an overload state for a period of time. Because the current value of the circuit in the circuit breaker is directly tested and the controller is used for intelligent control, the problem that a thermal releaser is prone to fails caused by the external environment air temperature influences is solved. Meanwhile, due to the fact that the thermal releaser is omitted, the internal resistance of the circuit breaker is greatly reduced, and the power consumption and the heating amount of the circuit breaker are reduced. In addition, the controller is independently arranged in the intelligent control device outside the circuit breaker, the problem that a controller can not be put in a narrow space of a circuit breaker is solved, and meanwhile it can be avoided that the work of a controller is influenced by strong current.
Description
Technical field
The present invention relates to appliance switch technical field, be specifically related to a kind of intelligent breaker combination unit.
Background technology
Miniature circuit breaker is most popular a kind of terminal protection electrical equipment during architectural electricity terminal power distribution draws.Miniature circuit breaker is made up of close/open machine, contact, protective device (various release and electrical current heat assembly), arc quenching system etc.
Its operation principle is: utilize protective device (release) and electrical current heat assembly to realize overload and short-circuit protection; when the electric current that the coil in electrical current heat assembly passes through is greater than the current value of setting; the dynamic iron core action of magnetictrip; promote to hit bar and clash into operating mechanism; operating mechanism is unlocked; make breaker open operation and then open circuit, thus the overload realized circuit and short-circuit protection.After fault is discharged, then carry out closing operation by close/open machine thus connect circuit.
In prior art, miniature circuit breaker mainly realizes by thermal overload release and magnetictrip for the protection of overload and short circuit, thermal overload release is made up of the sheet metal that two heat distortion amounts are different, when current overload, thermal overload release generates heat, because the heat distortion amount of two panels sheet metal is different, thus whole sheet metal can be out of shape to the curving that heat distortion amount is little after being heated, thus the tripping in triggering circuit breaker realizes threading off, but above-mentioned thermal overload release needs generate heat under overload current, a period of time could realize threading off, thus easily by the impact of external environment condition temperature, as when temperature is low, although there occurs the overload of electric current, but deflection does not reach the requirement of dropout because heat distributes soon, and then cause carrying out overload protection.
Summary of the invention
Therefore; the technical problem that the overload protection that the present invention will solve the middle-size and small-size circuit breaker of prior art is easily subject to the impact of external environment condition temperature and lost efficacy, thus provide a kind of not by the intelligent breaker combination unit that accurately can provide overload protection that external environment condition temperature affects.
The invention provides a kind of intelligent breaker combination unit, comprising:
Circuit breaker, is provided with current detecting part in described circuit breaker, described current detecting part is for obtaining the current value by circuit in circuit breaker;
Intelligent controlling device, is disposed in parallel in described circuit breaker side, comprises, intelligent controlling device shell, and is positioned at controller and the actuating mechanism of intelligent controlling device shell; Described controller is used for the current value that received current detection piece obtains, and judges in circuit breaker, whether circuit occurs overload according to current value, when overload appears in circuit in circuit breaker, controls and start described actuating mechanism to drive circuit breaker to thread off.
Preferably, intelligent breaker combination unit of the present invention,
Described circuit breaker, comprises insulation crust;
Binding post, comprises the inlet wire binding post and outlet binding post that lay respectively at the inner both sides of described insulation crust;
Operating mechanism, comprises handle, support, tripping, and described support and tripping have the state that is linked locked together, and the dropout mated condition be separated;
Electromagnetic release mechanism, is connected with described inlet wire binding post;
Moving contact, is arranged on the bracket;
Fixed contact, is connected with electromagnetic release mechanism, arranges with described movable contact piece corresponding matching;
Arc-extinguishing mechanism, two ends are connected with described fixed contact and moving contact respectively;
Moving contact can be driven during described rotatable handle to move and contact with fixed contact or be separated, and described electromagnetic release mechanism can drive described support motion and make described support and tripping be in dropout mated condition and drive described moving contact to be separated with fixed contact when circuit is short-circuited;
Described current detecting part is arranged between described moving contact and described outlet binding post.
Preferably, intelligent breaker combination unit of the present invention,
The voltage detecting part be connected with described controller is provided with in described circuit breaker, described voltage detecting part is used for the magnitude of voltage in acquisition cuicuit and the magnitude of voltage of acquisition is transferred to described controller, described controller according to obtain magnitude of voltage and compare with preset value, overvoltage or under-voltage time controls and start described actuating mechanism driving circuit breaker thread off.
Preferably, intelligent breaker combination unit of the present invention,
Form the mounting groove that A/F is less than slot bottom width with described intelligent controlling device outer casing bottom bottom described insulation crust, be arranged with the conducting strip for being communicated with described current detecting part and described voltage detecting part and described controller in described mounting groove, described conducting strip comprises insulating bottom layer and is positioned at the conductive layer of bottom surface.
Preferably, intelligent breaker combination unit of the present invention,
Described operating mechanism also comprises:
Grab, is arranged in described insulation crust, can around himself axis of rotation, and one end is connected with elastic component, and one end forms hook;
Hook is taken turns, and is arranged on described handle, is connected by connecting rod with described tripping, coordinate with the hook of described grab;
When described rotatable handle makes moving contact transform to "on" position from gate-dividing state, described in described handle drives, grab is taken turns away from described hook, thus makes described hook take turns to depart from described grab and coordinate;
When described rotatable handle makes moving contact transform to gate-dividing state from "on" position, described rotatable handle makes the described hook of drive take turns gradually near described grab, thus described hook is taken turns and described grab snap-fit engagement.
Preferably, intelligent breaker combination unit of the present invention, described handle forms arcuate projections, and when described rotatable handle makes moving contact transform to "on" position from gate-dividing state, described arcuate projections presses described grab, and described grab is taken turns away from described hook.
Preferably, intelligent breaker combination unit of the present invention, described moving contact has two, and can rotate respectively, also be respectively arranged with holddown spring between two described moving contacts and tripping, described holddown spring is used for the elastic force to described moving contact applying towards described fixed contact direction.
Preferably, intelligent breaker combination unit of the present invention, described fixed contact and each described moving contact are provided with conductive projection.
Preferably, intelligent breaker combination unit of the present invention, is provided with elastic component between described support and described insulation crust, and described elastic component applies to drive described moving contact to go to the elastic force of gate-dividing state to described support.
Preferably, intelligent breaker combination unit of the present invention, described circuit breaker has several, and be arranged side by side, the described handle of each circuit breaker comprises the cylindrical body being positioned at described insulation crust and the rhabodoid stretching out the setting of described insulation crust, and described cylindrical body center is provided with square hole, square pole is successively through the square hole of all circuit breakers, extend in described intelligent controlling device, and rotate by described actuating mechanism drives, and then drive the handle of all described circuit breakers to rotate.
Technical solution of the present invention, tool has the following advantages:
1. intelligent breaker combination unit provided by the invention, current detecting part is provided with in circuit breaker, the current value by circuit in circuit breaker is obtained by current detecting part, again this current value is sent to the controller of the intelligent controlling device being arranged in device side, road, controller judges according to the current value received, after current value is in overload a period of time, namely controls starting operation mechanism and drive circuit breaker to thread off.Be the current value of circuit in circuit breaker due to what directly measure, by controller Based Intelligent Control, thus overcome the problem that thermal overload release easily lost efficacy by external environment condition temperature affects.Simultaneously owing to eliminating bimetallic heating trigger element, circuit breaker internal resistance is reduced greatly, reduces circuit breaker oneself power consumption and caloric value.In addition, controller is independently arranged in the intelligent controlling device outside circuit breaker, solves the problem that circuit breaker internal small space cannot place controller, forceful electric power also can be avoided to affect controller work simultaneously.
2. intelligent breaker combination unit provided by the invention, the voltage detecting part be connected with described controller is provided with in described circuit breaker, described voltage detecting part is used for the magnitude of voltage in acquisition cuicuit and the magnitude of voltage of acquisition is transferred to described controller, described controller according to obtain magnitude of voltage and compare with preset value, overvoltage or under-voltage time controls and start described actuating mechanism driving circuit breaker thread off.By arranging voltage detecting part, overvoltage or under-voltage protection are carried out to circuit breaker, can various electrical equipment in protective circuit and personal security.
3. intelligent breaker combination unit provided by the invention, conducting strip is inserted in mounting groove, conductive layer is towards circuit breaker internal, current value current detecting part and voltage detecting part got by conductive layer and magnitude of voltage are transported on controller, make Signal transmissions more convenient, be also convenient to the transmission carrying out signal when multiple miniature circuit breaker is arranged side by side simultaneously.
4. intelligent breaker combination unit provided by the invention, by arranging hook wheel and grab, when moving contact transforms to "on" position from gate-dividing state, handle needs first to rotate a certain angle, when handle is triggered to grab, impels hook to take turns and be separated with grab, after hook wheel departs from grab, moving contact can be driven rapidly near fixed contact by connecting rod rapidly, realize rapid closing, reduce the generation of electric arc.
5. intelligent breaker combination unit provided by the invention, two moving contacts that can rotate respectively, the contact area with fixed contact is improve after combined floodgate, and respectively by two holddown springs ensure to close a floodgate latter two moving contacts all can with fixed contact close contact, prevent from, because of the problem that cannot contact with fixed contact produced when mismachining tolerance causes two moving contact contact-making surfaces not coplanar simultaneously, thus to improve miniature circuit breaker rated current when given volume.
6. intelligent breaker combination unit provided by the invention, each moving contact arranges a moving contact conductive projection respectively, fixed contact is provided with a fixed contact conductive projection, during combined floodgate, fixed contact conductive projection is simultaneously with two moving contact conductive bump contact and realizing circuit conducting, order of contact when can improve combined floodgate further by arranging conductive projection between moving contact and fixed contact, prevents the generation contacting untight phenomenon.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is in the front sectional view of gate-dividing state for the miniature circuit breaker provided in the embodiment of the present invention;
View figure when being just separated taken turns by the grab that Fig. 2 is the miniature circuit breaker shown in Fig. 1 and hook;
The view being in "on" position that Fig. 3 is the miniature circuit breaker shown in Fig. 1;
Fig. 4 is holddown spring of the present invention and moving contact structure schematic diagram;
Fig. 5 is the structural representation of small type circuit breaker operating mechanism of the present invention;
Fig. 6 is the structural representation at another visual angle of small type circuit breaker operating mechanism of the present invention;
Fig. 7 is the front view of point brake structure of intelligent controlling device of the present invention;
Fig. 8 is the rearview of point brake structure shown in Fig. 1;
View before the separating brake that Fig. 9 is point brake structure shown in Fig. 1;
Figure 10 is the theory diagram of the controller of intelligent controlling device;
Figure 11 is the stereogram that in the present invention, intelligent controlling device coordinates with miniature circuit breaker;
Figure 12 is that the intelligent controlling device of Figure 11 coordinates bottom perspective view with miniature circuit breaker.
Description of reference numerals:
1-insulation crust, 11-mounting groove; 12-conducting strip; 2-handle; 21-arcuate projections; 3-electromagnetic release mechanism; 4-current detecting part; 5-arc-extinguishing mechanism; 61-fixed contact; 62-moving contact; 63-fixed contact conductive projection; 64-moving contact conductive projection; 65-holddown spring; 71-grab; 72-hook is taken turns; 73-connecting rod; 74-torsion spring; 75-elastic component; 76-tripping; 77-support; 78-snap close; 79-rotating shaft; 101-motor; 121-stepped gear; 122-spur gear; 123-guide rod; 124-screw rod; 125-slide block; 126-drive block; 1261-driver slot; 1262-projection; 103-housing; 131-shifting shaft; 132-shifting part; 1321-poke rod; 134-moving runner; 135-gangbar; 136-release lever; 1361-through hole; The rotating shaft of 141-dropout actuator; 142-dropout actuator; 143-spring; 105-switch; 180-controller; 181-detection module; 182-first receiver module; 183-communication module; 184-second receiver module; 185-the 3rd receiver module; A-circuit breaker; B-intelligent controlling device.
Embodiment
Be clearly and completely described technical scheme of the present invention below in conjunction with accompanying drawing, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
In addition, if below in the described different execution mode of the present invention involved technical characteristic do not form conflict each other and just can be combined with each other.
Embodiment
The present embodiment provides a kind of intelligent breaker combination unit, as shown in Figure 11,12, comprising:
Circuit breaker B, as Figure 1-3, be provided with current detecting part (can be current transformer and the relevant apparatus realizing current detecting) in described circuit breaker A, described current detecting part 4 is for obtaining the current value by circuit in circuit breaker;
Intelligent controlling device A, as Figure 7-9, is disposed in parallel in described circuit breaker B side, comprises, intelligent controlling device shell, and be positioned at controller and the actuating mechanism of intelligent controlling device shell; Described controller is used for the current value that received current detection piece obtains, and judges in circuit breaker B, whether circuit occurs overload according to current value, when overload appears in circuit in circuit breaker, controls and start described actuating mechanism to drive circuit breaker to thread off.
Above-mentioned intelligent breaker combination unit, current detecting part is provided with in circuit breaker B, the current value by circuit in circuit breaker B is obtained by current detecting part, again this current value is sent to the controller (single-chip microcomputer) of the intelligent controlling device being arranged in device side, road, controller judges according to the current value received, after current value is in overload a period of time (this time sets according to national standard), namely controls starting operation mechanism and drive circuit breaker to thread off.Be the current value of circuit in circuit breaker B due to what directly measure, by controller Based Intelligent Control, thus overcome the problem that thermal overload release easily lost efficacy by external environment condition temperature affects.And owing to eliminating thermal overload release, circuit breaker internal resistance is reduced greatly, reduce circuit breaker oneself power consumption and caloric value, and current detecting part is low in energy consumption, greatly power consumption can be reduced compared with thermal overload release, being greater than 20W from the power consumption of thermal overload release is reduced to less than 0.1W (circuit breaker B and the power consumption that intelligent controlling device A is common), can greatly saves energy.In addition, after removing thermal overload release, also can further improve the load current value (big current can trigger dropout by thermal overload release heating afterwards) of circuit breaker., controller is independently arranged in the intelligent controlling device A outside circuit breaker B meanwhile, can prevents the inner small space of circuit breaker B from cannot place the problem of controller, the forceful electric power of circuit breaker B internal circuit also can be avoided to affect controller work simultaneously.
Particularly, described circuit breaker, as described in Fig. 1-3, comprises insulation crust 1;
Binding post, comprises the inlet wire binding post 81 and outlet binding post 82 that lay respectively at the described inner both sides of insulation crust 1;
Operating mechanism, comprise handle 2, support 77, coaxial (with rotating shaft 79 for axle) are arranged on tripping 76 on described support 77 and snap close 78, described tripping 76 and snap close 78 have the state that is linked locked together, and the dropout mated condition be separated;
Electromagnetic release mechanism 3, is connected with described inlet wire binding post 81;
Moving contact 62, is arranged on described support 77;
Fixed contact 61, is connected with electromagnetic release mechanism 3, arranges with described movable contact piece 62 corresponding matching;
Arc-extinguishing mechanism 5, two ends are connected with described fixed contact 61 and moving contact 62 respectively;
Described handle 2 can drive moving contact 62 move and contact with fixed contact 61 or be separated when rotating, and described electromagnetic release mechanism 3 can drive described support 77 move and make described support 77 be in dropout mated condition with tripping 76 and drive described moving contact 62 to be separated with fixed contact 61 when circuit is short-circuited;
Described current detecting part 4 is arranged between described moving contact 62 and described outlet binding post 82.
Described current detecting part 4 is arranged between described moving contact 62 and described outlet binding post 82, makes current detecting part as far as possible away from the electromagnetic release mechanism 3 of inlet wire binding post 81, prevent electromagnetic release mechanism 3 and current detecting part from mutually disturbing.
Described support 77 is provided with rotating shaft 79, and described tripping 76, snap close 78 and described moving contact 62 all can rotate around described rotating shaft 79, and described rotating shaft 79 is arranged with torsion spring 74, and two pins of described torsion spring 74 are resisted against described tripping 76 and snap close 78 respectively.Tripping 76 and snap close 78 are interlocked when normal condition and are linked, and when circuit is short-circuited in circuit breaker, by the effect of release, make tripping 76 depart from snap close 78, and drive further moving contact 62 to be separated with fixed contact 61 to make breaker open operation.After tripping 76 departs from snap close 78, then during lock 2-in-1 by handle, can again make again tripping 76 and snap close 78 lock together, torsion spring 74 provides elastic force for tripping 76 and snap close 78 lock together.
As distortion, described current detecting part also can be arranged on inlet wire binding post 81 after etc. can hold the position of its volume.
Further, the voltage detecting part be connected with described controller is provided with in described circuit breaker, described voltage detecting part is used for the magnitude of voltage in acquisition cuicuit and the magnitude of voltage of acquisition is transferred to described controller, described controller according to obtain magnitude of voltage and compare with preset value, overvoltage or under-voltage time controls and start described actuating mechanism driving circuit breaker thread off.
By arranging voltage detecting part, overvoltage or under-voltage protection are carried out to circuit breaker, can various electrical equipment in protective circuit and personal security.
Further, form the mounting groove 11 that A/F is less than slot bottom width with described intelligent controlling device outer casing bottom bottom described insulation crust 1, be arranged with the conducting strip 12 for being communicated with described current detecting part and described voltage detecting part and described controller in described mounting groove 11, described conducting strip 12 comprises insulating bottom layer and is positioned at the conductive layer of bottom surface.
Conducting strip is inserted in mounting groove 11, conductive layer is towards circuit breaker internal, current value current detecting part and voltage detecting part got by conductive layer and magnitude of voltage are transported on controller, make Signal transmissions more convenient, be also convenient to the transmission carrying out signal when multiple miniature circuit breaker is arranged side by side simultaneously.
Further, described operating mechanism, as illustrated in Figures 5 and 6, also comprises:
Grab 71, is arranged in described insulation crust 1, can around himself axis of rotation, and one end is connected with elastic component, and one end forms hook;
Hook wheel 72, is arranged on described handle 2, is connected by connecting rod 73 with described tripping 76, coordinate with the hook of described grab 71;
When described handle 2 rotates and makes moving contact 62 transform to "on" position from gate-dividing state, described handle 2 drives described grab 71 away from described hook wheel 72, thus makes described hook take turns 72 to depart from described grab 71 and coordinate;
When described handle 2 rotates and makes moving contact 62 transform to gate-dividing state from "on" position, described handle 2 rotates and makes the described hook of drive take turns 72 gradually near described grab 71, thus makes described hook take turns 72 and described grab 71 snap-fit engagement.
By arranging hook wheel 72 and grab 71, when moving contact 62 transforms to "on" position from gate-dividing state, handle 2 needs first to rotate a certain angle, when handle 2 is triggered to grab 71, impel hook to take turns 72 to be separated with grab 71, moving contact 62 can be driven rapidly near fixed contact 61 by connecting rod 73 rapidly after hook wheel 72 departs from grab 71, realize rapid closing, reduce the generation of electric arc.
Further, described handle 2 forms arcuate projections 21, when described handle 2 rotates and makes moving contact 62 transform to "on" position from gate-dividing state, described arcuate projections presses described grab 71, makes described grab 71 away from described hook wheel 72.(press grab 71 downwards in FIG, grab 71 turned clockwise certain angle).
Further, moving contact 62 has two, and can rotate respectively, is also respectively arranged with holddown spring 65 between two described moving contacts 62 and tripping 76, and described holddown spring 65 is for applying the elastic force towards described fixed contact 61 direction to described moving contact 62.
Two moving contacts that can rotate respectively 62, the contact area with fixed contact 61 is improve after combined floodgate, and respectively by two holddown springs 65 ensure to close a floodgate latter two moving contacts 62 all can with fixed contact 61 close contact, prevent the problem that cannot simultaneously contact with fixed contact 61 because producing when mismachining tolerance causes two moving contact 62 contact-making surfaces not coplanar, improve fail safe, and miniature circuit breaker rated current can be improved when given volume.Through surveying the setting by two moving contacts 62 and current detecting part 4, the rated current of the miniature circuit breaker making 18mm wide can reach 125A-150A.
Further, described fixed contact 61 and each described moving contact 62 are provided with conductive projection.
As shown in Figure 2, each moving contact 62 arranges a moving contact conductive projection 64 respectively, fixed contact 61 is provided with a fixed contact conductive projection 63, during combined floodgate, fixed contact conductive projection 63 contacts with two moving contact conductive projections 64 and realizing circuit conducting simultaneously, order of contact when can improve combined floodgate further by arranging conductive projection between moving contact 62 and fixed contact 61, prevents the generation contacting untight phenomenon.The surface area in the face relative with fixed contact 61 of the conductive projection on each moving contact 62 is 2.5-4mm
2, the area of the conductive projection that fixed contact 61 coordinates with it is greater than the summation of the surface area of the conductive projection on two moving contacts 62.
Further, be provided with elastic component 75 between described support 77 and described insulation crust 1, described elastic component 75 applies to drive described moving contact 62 to go to the elastic force of gate-dividing state to described support 77.
By the energy storage effect of elastic component 75, make moving contact 62 when "on" position is to gate-dividing state, open position can be arrived fast, rapid separating brake, when reducing separating brake, produce electric arc.
Further, described circuit breaker has several, and be arranged side by side, the described handle 2 of each circuit breaker comprises the cylindrical body being positioned at described insulation crust 1 and the rhabodoid stretching out the setting of described insulation crust 1, described cylindrical body center is provided with square hole, and square pole through the square hole of all circuit breakers, extend in described intelligent controlling device successively, and rotate by described actuating mechanism drives, and then the handle 2 of all described circuit breakers is driven to rotate.The mounting groove 11 of all circuit breakers is also communicated with the long groove of formation.
Making intelligent controlling device can control multiple miniature circuit breaker by above-mentioned setting simultaneously, by arranging the axle center of square pole through the handle 2 of each circuit breaker, when square pole rotates, driving the handle of all miniature circuit breakers to rotate; Square is arranged so that the revolving force that the handle of each circuit breaker is subject to is substantially equal, ensures that the divide-shut brake of all miniature circuit breakers can carry out simultaneously.
Particularly, intelligent controlling device, as Figure 7-9, comprises
Intelligent controlling device housing 103, and be arranged on motor 101, moving runner 134, transmission mechanism, screw rod 124, slide block 125 and the controller in intelligent controlling device housing 103;
Motor 101, and be arranged in housing 103;
Transmission mechanism, is in transmission connection with motor 101;
Screw rod 124, rotates by described transmission mechanism drives;
Slide block 125, is arranged on described screw rod 124, and when described screw rod 124 rotates, can do straight-line displacement along described screw rod 124, described slide block 125 has home position, open position and closing position on described screw rod 124;
Controller, is connected with described motor 101, controls described motor 101 and rotates, thus drive described screw rod 124 to rotate, and make described slide block 125 do straight-line displacement along described screw rod 124 according to divide-shut brake control signal;
When described slide block 125 moves between position and open position in position, drive the motion of separating brake driving mechanism to drive miniature circuit breaker separating brake, after described slide block 125 arrives open position, circuit breaker completes separating brake, control reposition position by described controller afterwards, thus disconnect the drive connection with separating brake driving mechanism;
When described slide block 125 moves between position and closing position in position, drive the motion of combined floodgate driving mechanism to drive miniature circuit breaker to close a floodgate, after described slide block 125 arrives closing position, circuit breaker completes combined floodgate, control reposition position by described controller afterwards, thus disconnect the drive connection with combined floodgate driving mechanism.
The miniature circuit breaker control device of the present embodiment, moved on screw rod 124 by slide block 125, separating brake driving mechanism and combined floodgate driving mechanism is driven to come separating brake to circuit breaker and closing operation respectively, and after completing separating brake and closing operation, controller ACTIVE CONTROL slide block 125 reposition position, and the drive connection disconnected with separating brake driving mechanism or combined floodgate driving mechanism, because drive connection is disconnected, the internal part of miniature circuit breaker control device no longer stops the action of the close/open machine of miniature circuit breaker, thus controlling still the handle of manual operation miniature circuit breaker to realize divide-shut brake after miniature circuit breaker carries out separating brake and closing operation.Therefore, the miniature circuit breaker control device that the present embodiment provides does not affect the manual control mode of original miniature circuit breaker, makes when miniature circuit breaker control device breaks down, still can manual divide-shut brake, improves security performance.
Further, described combined floodgate driving mechanism and separating brake driving mechanism, comprising:
Drive block 126, is arranged on described slide block 125;
Moving runner 134, links with the close/open machine of circuit breaker and arranges;
Toggle mechanism, stirs moving runner 134 by described slide block 125 drives and rotates;
When described slide block 125 moves between position and open position in position, described drive block 126 drives toggle mechanism to stir moving runner 134 and rotates and then drive the close/open machine of circuit breaker to complete combined floodgate, behind described slide block 125 reposition position, described drive block 126 disengages with described toggle mechanism.
Particularly, described drive block 126 has driver slot 1261;
Described toggle mechanism, comprise and be fixedly installed on shifting shaft 131 on housing 103 inwall, to be arranged on described shifting shaft 131 can around described shifting shaft 131 rotate and the shifting part 132 coordinated with the transmission of described moving runner 134, and be arranged on the poke rod 1321 extend in described driver slot 1261 on described shifting part 32;
Described slide block 125 is when move towards open position in position in position, described poke rod 1321 contacts with the top cell wall (as shown in Figure 7) of described driver slot 1261, drive block 126 drives described poke rod 321 to drive shifting part 132 to rotate, and then drives moving runner 134 to rotate;
When towards closing position move in position by position for described slide block 125, described poke rod 1321 contacts with the bottom cell wall of described driver slot 1261, and drive block 126 drives described poke rod 1321 to drive shifting part 132 to rotate, and then drives moving runner 134 to rotate;
When described slide block 125 is in home position, top and the bottom cell wall of described poke rod 1321 and described driver slot 1261 have certain distance.
Behind slide block 125 reposition position, top and the bottom cell wall of poke rod 1321 and described driver slot 1261 have certain distance, toggle mechanism is made not hinder the rotation of moving runner 134, moving runner 134 can move along with the close/open machine of miniature circuit breaker, thus still the handle 2 of manual operation miniature circuit breaker separating brake and combined floodgate can be realized, when control device of circuit breaker breaks down or under emergency, the handle manually can stirring miniature circuit breaker carries out breaking-closing operating, improves fail safe.In addition, the combined floodgate driving mechanism of the present embodiment, structure is simple, and component wear is little, and transmission efficiency is high, and structural life-time is long.
Drive block 126 has the frame-shaped construction of driver slot 1261 (as Fig. 7) for centre, also can make hook-like as distortion drive block 126.
Described separating brake driving mechanism, comprises,
Drive block 126, does rectilinear motion by described transmission mechanism drives, has the projection 1262 protruding from drive block 126 body;
Button actuator rotating shaft 141, is fixedly installed (being arranged on housing 103 inwall);
Dropout actuator 142, being arranged on button actuator rotating shaft 141 can rotate around described button actuator rotating shaft 141;
Described projection 1262 together moves with described drive block 126 and drives described dropout actuator 142 to rotate, described dropout actuator 142 drives described release lever 136 to move, and converts triggering the tripping mechanism in circuit breaker and complete breaker open operation and stop the trigger position of breaker closing and remove between rotine positioning that the tripping mechanism triggered in circuit breaker allows to breaker closing to make described release lever 136.
Described moving runner 134 is preferably designed for gear, and described shifting part 132 side forms the sector gear coordinated with described gear.
Coordinated by gear, transmission is accurate, and transmission efficiency is high, and compact conformation, reliable operation, long working life.
Further, described transmission mechanism also comprises, and guide rod 123 be arranged in parallel with screw rod 124, has smooth surface;
Slide block 125 has two holes, and one of them hole inwall has internal thread, passes for screw rod 124, and described internal thread coordinates with the external screw thread on screw rod 124 outer wall, and another hole has smooth inner wall and passes for guide rod 123.
Described gear mechanism, comprises a stepped gear 121 and a spur gear 122, and stepped gear 121 connects rotating shaft and the spur gear 122 of motor 101, and described stepped gear 121 is coaxially arranged with guide rod 123, and described spur gear 122 is coaxially arranged with screw rod 124.
By arranging gear mechanism, screw rod 124 and slide block 125, the converting rotary motion that motor 101 exports is become the rectilinear motion of slide block 125, the acting surface of exerting all one's strength is transformed into the direction parallel with paper perpendicular to the direction of paper from Fig. 7, change the acting surface of power, and such kind of drive, transmission is accurate, transmission efficiency is high, it is little to rub, compact conformation, reliable operation, long service life.
As distortion, guide rod 123 can be fixedly installed on an axle do not rotated independent in housing 103, or guide rod 123 is not set, along screw rod 124 both sides on housing 103 inwall shaping two limited walls, article two, between limited wall, form the movement slots that slide block 125 runs, by the effect of limited wall, slide block 25 is stoped to rotate.
Described controller, as shown in Figure 10, be connected with described motor 101, for controlling start and stop and the rotation direction of described motor 101, and drive moving runner 134 to complete breaker open operation at described toggle mechanism or described toggle mechanism finally can be driven to depart from transmission with moving runner 134 coordinate by controlling motor 101 after closing a floodgate.
As a kind of concrete execution mode, the controller of the present embodiment, comprises
Position transducer, for responding to the position of slide block 25, and outgoing position signal;
Detection module 181, for detecting the break-make of main circuit and exporting make-and-break signal;
Second receiver module 184, for the position signalling that receiving position transducer exports;
Communication module 183, for receiving divide-shut brake control signal;
Controller 180, controls start and stop and the rotation direction of motor 101 according to the dynamo-electric flow valuve of described make-and-break signal, described position signalling and divide-shut brake control signal and magnitude of voltage.
After second receiver module 184 receives the position signalling of position transducer output, just control motor 101 out of service;
The current value of the 3rd receiver module 185 received current detection piece and voltage detecting part and magnitude of voltage;
Communication module 183 is for receiving divide-shut brake control signal, connected to the network by accessing wireless or wired mode, communication module 183 receives the divide-shut brake control signal that network is sent, thus by control device of circuit breaker access network, then pass through the divide-shut brake of the terminal remote control circuit breakers such as smart mobile phone, computer, remote controller.Such as communication module 183 can be WIFI module, wireless communication module.
By controller by control device of circuit breaker access network, achieve the Based Intelligent Control to breaker control, make circuit breaker become a part for Smart Home.
When needs control breaker open operation time, just send a sub-gate signal, communication module 183 is transmitted to controller 180 after receiving sub-gate signal, controller 180 will control motor 101 positive movement, and then driving breaker open operation, after breaker open operation, detection module 181 will detect that main circuit disconnects, controller controls motor 101 counter motion and drives slide block 125 toward muscle-setting exercise after receiving the make-and-break signal of main circuit connection, when slide block 125 arrives original position, will trigger position transducer, position transducer will send position signalling to the second receiver module 183, controller makes motor 101 out of service according to the position signalling received, slide block 125 is made to stop at home position.
When needs control breaker closing time, just send a switching signal, communication module 183 is transmitted to controller 180 after receiving switching signal, controller 180 will control motor 101 counter motion, and then driving breaker closing, after breaker closing, detection module 181 will detect that main circuit is connected, controller controls motor 101 positive movement and drives slide block 125 to move toward home position after receiving the make-and-break signal of main circuit connection, when slide block 125 arrives home position, same meeting trigger position transducer, position transducer will send position signalling to the second receiver module 183, controller 101 makes motor 101 out of service according to the position signalling received, slide block 125 is made to stop at home position.
Detection module 181, second receiver module 184, communication module 183 and controller 180 is all integrated is arranged on surface-mounted integrated circuit, and only a position transducer need be set at corresponding slide block 125 home position place, reduce the use amount of transducer, reduce the space shared by parts, facilitate the layout of each parts in housing 103.
As distortion, also detection module 181 can not be set, three position transducers are set, three position transducers are respectively used to induction slide block 125 and whether arrive open position, home position and closing position, after slide block 125 arrives open position and closing position, drive motors 101 makes slide block 125 reposition position again, thus makes toggle mechanism not hinder stirring of circuit breaker handle.
As a kind of variant embodiment of controller, controller can arrange timer and program, driving slide block 125 from home position to closing position to control motor 101, closing position reposition position, home position is to open position, and the running time of open position reposition position.And after making slide block 125 arrive closing position or open position from home position, auto-returned home position, now, just no longer needs detection module 181 to detect the on off operating mode of main circuit.
Arrange gangbar 135 at the center of moving runner 134, gangbar 135 is arranged through the axle center of the handle 2 of each circuit breaker, thus makes control device of circuit breaker that the handle 2 of multiple circuit breaker can be driven to rotate the closing operation simultaneously realizing all circuit breakers simultaneously.Gangbar 135 can be cross section is leg-of-mutton triangle pole, the square pole of square etc.
The control device of circuit breaker of the present embodiment can control multiple circuit breaker simultaneously, by arranging the axle center of gangbar 135 through the handle 2 of each circuit breaker, gangbar 135 drives the handle of all circuit breakers to rotate when rotating, the revolving force that the handle 2 of each circuit breaker is subject to is substantially equal, ensures that the combined floodgate of all circuit breakers can carry out simultaneously.
The course of work of the control device of circuit breaker of the present embodiment is:
Driving circuit breaker carries out closing operation process and is:
As shown in Figure 7, now circuit breaker is in gate-dividing state, when needs control breaker closing, switching signal is sent to controller, controller controls motor 101 and starts, motor 101 drives screw rod 124 to rotate by gear mechanism, slide block 125 is moved downward along screw rod 124 by figure, now, the roof of the driver slot of drive block 126 contacts with the poke rod 1321 of shifting part 132, drive block 126 drives shifting part 132 to do turning clockwise in figure around shifting shaft 131, and drive moving runner 34 to rotate by the sector gear be molded on shifting part 132, thus drive the close/open machine action of circuit breaker to complete closing operation.After completing closing operation, the main circuit conducting that circuit breaker controls, controller is after receiving the signal that electric current passes through, drive motors 101 reverses (direction of rotation when just starting with closing operation during starter motor 101 is contrary), slide block 125 is moved upward along screw rod 124 by Fig. 1, (position is provided with position transducer in position in slide block 125 reposition position, once slide block 125 reposition position will trigger position transducer, signal is issued controller by position transducer, it is out of service that controller controls motor 101), drive block 126 and poke rod 1321 disengage, transmission matching relationship when relieving combined floodgate between toggle mechanism and moving runner 134, poke rod 1321 is positioned at driver slot 1261 centre position, poke rod 321 motion can not be subject to the obstruction of drive block 126, the rotation of shifting part 132 and moving runner 134 is also unrestricted, state as shown in Figure 9, now, just can stir the handle 2 of circuit breaker manually, make breaker open operation, after breaker open operation, under the drive of breaker close/open machine, shifting part 132 and moving runner 134 return to position as shown in Figure 7.
Driving circuit breaker carries out sub-switching operation process and is:
Under normal conditions, when circuit breaker closes a floodgate, as shown in Figure 7, when controlling short-circuiting device separating brake by control device of circuit breaker, its process is: starter motor 101, slide block 125 is made to move (moving upward by Fig. 7) along screw rod 124 from home position to closing position, now, projection 1262 on drive block 126 withstands one end of dropout actuator 142, dropout actuator 142 is rotated along the clockwise direction shown in Fig. 7 around dropout actuator rotating shaft 141, thus drive release lever 136 to run along clockwise direction in through hole 1361, and release lever 136 drives the trip gear action of circuit breaker, make breaker open operation, circuit breaker handle 2 also can skip to switching-off device, this separating brake mode quick action, promptly can realize separating brake in time.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And thus the apparent change of extending out or variation be still among the protection range of the invention.
Claims (10)
1. an intelligent breaker combination unit, is characterized in that, comprising:
Circuit breaker, is provided with current detecting part in described circuit breaker, described current detecting part is for obtaining the current value by circuit in circuit breaker;
Intelligent controlling device, is disposed in parallel in described circuit breaker side, comprises, intelligent controlling device shell, and is positioned at controller and the actuating mechanism of intelligent controlling device shell; Described controller is used for the current value that received current detection piece obtains, and judges in circuit breaker, whether circuit occurs overload according to current value, when overload appears in circuit in circuit breaker, controls and start described actuating mechanism to drive circuit breaker to thread off.
2. intelligent breaker combination unit according to claim 1, is characterized in that,
Described circuit breaker, comprises insulation crust (1);
Binding post, comprises the inlet wire binding post (81) and outlet binding post (82) that lay respectively at described insulation crust (1) inner both sides;
Operating mechanism, comprise handle (2), support (77), be coaxially arranged on tripping (76) on described support (77) and snap close (78), described tripping (76) and snap close (78) have the state that is linked locked together, and the dropout mated condition be separated;
Electromagnetic release mechanism (3), is connected with described inlet wire binding post (81);
Moving contact (62), is arranged on described support (77);
Fixed contact (61), is connected with electromagnetic release mechanism (3), arranges with described movable contact piece (62) corresponding matching;
Arc-extinguishing mechanism (5), two ends are connected with described fixed contact (61) and moving contact (62) respectively;
Described handle (2) can drive moving contact (62) move and contact with fixed contact (61) or be separated when rotating, described electromagnetic release mechanism (3) can drive described support (77) move and make described tripping (76) be in dropout mated condition with snap close (78) and drive described moving contact (62) to be separated with fixed contact (61) when circuit is short-circuited;
Described current detecting part is arranged between described moving contact (62) and described outlet binding post (82).
3. intelligent breaker combination unit according to claim 2, is characterized in that,
The voltage detecting part be connected with described controller is provided with in described circuit breaker, described voltage detecting part is used for the magnitude of voltage in acquisition cuicuit and the magnitude of voltage of acquisition is transferred to described controller, described controller according to obtain magnitude of voltage and compare with preset value, overvoltage or under-voltage time controls and start described actuating mechanism driving circuit breaker thread off.
4. intelligent breaker combination unit according to claim 3, is characterized in that,
Described insulation crust (1) bottom and described intelligent controlling device outer casing bottom form the mounting groove (11) that A/F is less than slot bottom width, be arranged with the conducting strip for being communicated with described current detecting part and described voltage detecting part and described controller in described mounting groove (11), described conducting strip comprises insulating bottom layer and is positioned at the conductive layer of bottom surface.
5. the intelligent breaker combination unit according to any one of claim 1-4, is characterized in that,
Described operating mechanism also comprises:
Grab (71), is arranged in described insulation crust (1), can around himself axis of rotation, and one end is connected with elastic component, and one end forms hook;
Hook wheel (72), is arranged on described handle (2), is connected by connecting rod (73) with described tripping (76), coordinate with the hook of described grab (71);
When described handle (2) rotates and makes moving contact (62) transform to "on" position from gate-dividing state, described handle (2) drives described grab (71) to take turns (72) away from described hook, thus makes described hook take turns (72) to depart from described grab (71) and coordinate;
When described handle (2) rotates and makes moving contact (62) transform to gate-dividing state from "on" position, described handle (2) rotates and makes the described hook of drive take turns (72) gradually near described grab (71), thus makes described hook take turns (72) and described grab (71) snap-fit engagement.
6. intelligent breaker combination unit according to claim 5, it is characterized in that, described handle (2) forms arcuate projections (21), when described handle (2) rotates and makes moving contact (62) transform to "on" position from gate-dividing state, described arcuate projections presses described grab (71), makes described grab (71) take turns (72) away from described hook.
7. the intelligent breaker combination unit according to any one of claim 2-6, is characterized in that,
Described moving contact (62) has two, and can rotate respectively, also be respectively arranged with holddown spring (65) between two described moving contacts (62) and tripping (76), described holddown spring (65) is for applying the elastic force towards described fixed contact (61) direction to described moving contact (62).
8. intelligent breaker combination unit according to claim 7, is characterized in that,
Described fixed contact (61) and each described moving contact (62) are provided with conductive projection.
9. intelligent breaker combination unit according to claim 2, it is characterized in that, be provided with elastic component (75) between described support (77) and described insulation crust (1), described elastic component (75) applies to drive described moving contact (62) to go to the elastic force of gate-dividing state to described support (77).
10. the intelligent breaker combination unit according to any one of claim 1-9, it is characterized in that, described circuit breaker has several, and be arranged side by side, the described handle (2) of each circuit breaker comprises the cylindrical body that is positioned at described insulation crust (1) and stretches out the rhabodoid that described insulation crust (1) arranges, described cylindrical body center is provided with square hole, square pole is successively through the square hole of all circuit breakers, extend in described intelligent controlling device, and rotate by described actuating mechanism drives, and then drive the handle (2) of all described circuit breakers to rotate.
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| CN109148229A (en) * | 2018-09-27 | 2019-01-04 | 杭州四方博瑞科技股份有限公司 | intelligent breaker |
| CN109300748A (en) * | 2018-09-27 | 2019-02-01 | 杭州四方博瑞科技股份有限公司 | Bus communication attachment device suitable for intelligent breaker |
| CN112908791A (en) * | 2021-01-06 | 2021-06-04 | 加西亚电子电器股份有限公司 | Intelligent circuit breaker |
| CN113223903A (en) * | 2021-05-13 | 2021-08-06 | 三为电气股份有限公司 | Electromagnetic trip type leakage tripping device with novel structure |
| CN113725031A (en) * | 2020-05-26 | 2021-11-30 | 天津首瑞智能电气有限公司 | Electric switch |
| 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 |
| WO2022062214A1 (en) * | 2020-09-27 | 2022-03-31 | 深圳曼顿科技有限公司 | Single-pole circuit breaker |
| CN117405953A (en) * | 2023-12-15 | 2024-01-16 | 国网辽宁省电力有限公司 | On-line fault detection equipment and method for oil immersed transformer |
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| CN117405953A (en) * | 2023-12-15 | 2024-01-16 | 国网辽宁省电力有限公司 | On-line fault detection equipment and method for oil immersed transformer |
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