CN105513915B - A kind of intelligent breaker combination unit - Google Patents
A kind of intelligent breaker combination unit Download PDFInfo
- Publication number
- CN105513915B CN105513915B CN201610085910.3A CN201610085910A CN105513915B CN 105513915 B CN105513915 B CN 105513915B CN 201610085910 A CN201610085910 A CN 201610085910A CN 105513915 B CN105513915 B CN 105513915B
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- Prior art keywords
- breaker
- controller
- intelligent
- moving contact
- handle
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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
-
- 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
-
- 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
-
- 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
-
- 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
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Breakers (AREA)
Abstract
The present invention provides a kind of this intelligent breaker combination unit, current detecting part is provided with breaker, current value by circuit in breaker is obtained by current detecting part, the current value is sent in the controller of the intelligent controlling device of road device side again, controller is judged according to the current value received, after current value is in overload for a period of time, that is, starting operation mechanism driving breaker is controlled to be threaded off.Due to directly determine be circuit in breaker current value, by controller intelligent control, so as to overcome thermal trip easily the problem of influenceed and failed by external environment condition temperature.Simultaneously because eliminating thermal trip, breaker internal resistance is greatly reduced, reduce breaker oneself power consumption and caloric value.In addition, controller is independently arranged in the intelligent controlling device outside breaker, the problem of circuit breaker internal small space can not place controller is solved, while being also avoided that forceful electric power influence controller work.
Description
Technical field
The present invention relates to electric switch technical field, and in particular 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.It is small
Type breaker is made up of close/open machine, contact, protection device (various electrical apparatus release and electrical current heat components), arc quenching system etc..
Its operation principle is：Overload and short-circuit protection are realized using protection device (electrical apparatus release) and electrical current heat component, works as electricity
When flowing the electric current that the coil in hot component passes through and being more than the current value of setting, the dynamic iron core action of magnetictrip promotes strike
Bar hits operating mechanism, unlocks operating mechanism, makes breaker open operation and then disconnecting circuit, thus realize to the overload of circuit and
Short-circuit protection.Carry out closing operation to connect circuit after fault is discharged, then by close/open machine.
In the prior art, miniature circuit breaker comes for overloading the protection with short circuit mainly by thermal trip and magnetictrip
Realize, thermal trip is made up of two different sheet metals of heat distortion amount, when current overload, thermal trip heating, due to two
The heat distortion amount of piece sheet metal is different, thus entirely sheet metal can be deformed after heated to the small curving of heat distortion amount, from
And trigger the tripping in breaker and realize dropout, but heating a period of time could under overload current for above-mentioned thermal trip needs
Realize and thread off, thus easily influenceed by external environment condition temperature, such as when temperature is low, although there occurs the overload of electric current, still
Due to heat distributes fast and deflection does not reach the requirement of dropout, and then lead to not carry out overload protection.
The content of the invention
Therefore, the invention solves the problems that the overload protection of miniature circuit breaker is easily by external environment condition temperature shadow in the prior art
The technical problem rung and failed, so that provide a kind of can not accurately be provided the intelligence of overload protection by what external environment condition temperature was influenceed
Can circuit breaker assembly.
The present invention provides a kind of intelligent breaker combination unit, including：
Current detecting part is provided with breaker, the breaker, the current detecting part, which is used to obtain, passes through breaker
The current value of interior circuit；
Intelligent controlling device, is disposed in parallel in the breaker side, including, intelligent controlling device shell, and positioned at intelligence
Controller and actuating mechanism in energy control device shell；The controller is used for the current value for receiving the acquisition of current detecting part,
And judge whether circuit overloads in breaker according to current value, when circuit overloads in breaker, control and start
The actuating mechanism driving breaker is threaded off.
Preferably, intelligent breaker of the invention combination unit,
The breaker, including insulation crust；
Binding post, including it is located at the inlet wire binding post and outlet binding post of both sides inside the insulation crust respectively；
Operating mechanism, including handle, support, tripping, the support and tripping have the shape that is linked locked together
State, and the dropout mated condition being separated；
Electromagnetic release mechanism, is connected with the inlet wire binding post；
Moving contact, is set on the bracket；
Static contact, is connected with electromagnetic release mechanism, is set with the moving contact corresponding matching；
Arc-extinguishing mechanism, two ends are connected with the static contact and moving contact respectively；
Moving contact can be driven to move and contact or separate with static contact during the rotatable handle, the electromagnetic trip machine
Structure can drive the support motion when short circuit occurs for circuit and make the support and tripping be in dropout mated condition and
The moving contact is driven to be separated with static contact；
The current detecting part is arranged between the moving contact and the outlet binding post.
Preferably, intelligent breaker of the invention combination unit,
The voltage detecting part being connected with the controller is provided with the breaker, the voltage detecting part is used to obtain
The magnitude of voltage of acquisition is simultaneously transferred to the controller by magnitude of voltage in circuit, the controller according to the magnitude of voltage of acquisition and with
Preset value is compared, and controls when over-pressed or under-voltage and start the actuating mechanism driving breaker to be threaded off.
Preferably, intelligent breaker of the invention combination unit,
The insulation crust bottom and the intelligent controlling device outer casing bottom form A/F less than slot bottom width
Mounting groove, be arranged with the mounting groove to connect the current detecting part and the voltage detecting part and the controller
Conducting strip, the conducting strip includes insulating bottom layer and the conductive layer positioned at bottom surface.
Preferably, intelligent breaker of the invention combination unit,
The operating mechanism also includes：
Grab, is arranged in the insulation crust, can be connected around its own axis of rotation, one end with elastic component, one end into
Type has hook；
Hook wheel, is arranged on the handle, is connected by connecting rod with the tripping, coordinates with the hook of the grab；
The rotatable handle make moving contact from gate-dividing state transform to "on" position when, grab described in the handle drives is remote
From the hook wheel, coordinate so that the hook wheel departs from the grab；
The rotatable handle make moving contact from "on" position transform to gate-dividing state when, the rotatable handle drives the hook
Wheel moves closer to the grab, so that the hook wheel is engaged by clamping with the grab.
Preferably, arcuate projections, the handle are formed on intelligent breaker of the invention combination unit, the handle
Rotation make moving contact from gate-dividing state transform to "on" position when, the arcuate projections press the grab, make the grab
Away from the hook wheel.
Preferably, intelligent breaker of the invention combination unit, the moving contact has two, and can rotate respectively, two
Be also respectively provided with holddown spring between the individual moving contact and tripping, the holddown spring be used for the moving contact apply to
The elastic force in the static contact direction.
Preferably, it is respectively provided with intelligent breaker of the invention combination unit, the static contact and each moving contact
There is conductive projection.
Preferably, intelligent breaker of the invention combination unit, bullet is provided between the support and the insulation crust
Property part, the elastic component applies the elastic force for driving the moving contact to go to gate-dividing state to the support.
Preferably, intelligent breaker of the invention combination unit, the breaker has several, and is arranged side by side, often
The handle of individual breaker includes the cylindrical body being located in the insulation crust and stretches out the shaft-like of the insulation crust setting
Body, the cylindrical body is provided centrally with square hole, and square pole sequentially passes through the square hole of all breakers, extend into the intelligent control
In device, and driven and rotated by the actuating mechanism, and then drive the handle of all breakers to rotate.
Technical solution of the present invention, has the following advantages that：
1. the intelligent breaker combination unit that the present invention is provided, current detecting part is provided with breaker, passes through electric current
Detection piece obtains the current value by circuit in breaker, then the current value is sent into the intelligent control dress positioned at road device side
In the controller put, controller is judged according to the current value received, after current value is in overload for a period of time,
That is control starting operation mechanism driving breaker is threaded off.Due to directly determine be circuit in breaker current value, lead to
Controller intelligent control is crossed, so as to overcome the problem of thermal trip is easily influenceed and failed by external environment condition temperature.While by
In eliminating bimetallic heating trigger element, breaker internal resistance is greatly reduced, breaker oneself power consumption and caloric value is reduced.
In addition, controller is independently arranged in the intelligent controlling device outside breaker, solving circuit breaker internal small space can not
The problem of placing controller, while being also avoided that forceful electric power influence controller work.
2. it is provided with what is be connected with the controller in the intelligent breaker combination unit that the present invention is provided, the breaker
Voltage detecting part, the voltage detecting part is used to obtain the magnitude of voltage in circuit and the magnitude of voltage of acquisition is transferred into the control
Device, the controller is compared according to the magnitude of voltage of acquisition and with preset value, is controlled when over-pressed or under-voltage and is started institute
Actuating mechanism driving breaker is stated to be threaded off.By setting voltage detecting part, overvoltage or under-voltage protection are carried out to breaker,
Can be with the various electrical equipment and personal security in protection circuit.
3. the intelligent breaker combination unit that the present invention is provided, conducting strip is inserted into mounting groove, conductive layer direction open circuit
Inside device, the current value and magnitude of voltage for being got current detecting part and voltage detecting part by conductive layer are transported to controller
On so that signal transmission is more convenient, while also allowing for carrying out the transmission of signal when multiple miniature circuit breakers are arranged side by side.
4. intelligent breaker that the present invention is provided combination unit, by setting hook wheel and grab, when moving contact is from separating brake shape
When state transforms to "on" position, handle needs first to rotate a certain angle, and when handle is triggered to grab, promotes hook wheel and grab
It is separated, hook wheel can run through the rapid close static contact of connecting rod driving moving contact after departing from grab, realize rapid closing,
Reduce the generation of electric arc.
5. intelligent breaker that the present invention is provided combination unit, two moving contacts that can rotate respectively are improved after combined floodgate
With the contact area of static contact, and ensure to close a floodgate latter two moving contact by two holddown springs respectively can be tight with static contact
Contiguity touches, prevent because mismachining tolerance cause to produce when two moving contact contact surfaces are non-coplanar can not be while be contacted with static contact
Problem, thus miniature circuit breaker rated current can be improved in given volume.
6. the intelligent breaker combination unit that the present invention is provided, each moving contact sets a moving contact conductive stud respectively
A static contact conductive projection is provided with block, static contact, during combined floodgate, static contact conductive projection simultaneously with two moving contact conductions
Bump contact simultaneously realizes circuit turn-on, when can further improve combined floodgate by setting conductive projection between moving contact and static contact
Order of contact, prevent the generation for contacting untight phenomenon.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the front sectional view that the miniature circuit breaker that provides is in gate-dividing state in the embodiment of the present invention；
View figure when Fig. 2 is newly disengaged for the grab of the miniature circuit breaker shown in Fig. 1 with hook wheel；
Fig. 3 is the view in "on" position of the miniature circuit breaker shown in Fig. 1；
Fig. 4 is holddown spring of the invention and moving contact structure schematic diagram；
Fig. 5 is the structural representation of the small type circuit breaker operating mechanism of the present invention；
Fig. 6 is the structural representation at another visual angle of the small type circuit breaker operating mechanism of the present invention；
Fig. 7 is the front view of the separating brake structure of the intelligent controlling device of the present invention；
Fig. 8 is the rearview of the separating brake structure shown in Fig. 1；
Fig. 9 is the view before the separating brake of the separating brake structure shown in Fig. 1；
Figure 10 is the theory diagram of the controller of intelligent controlling device；
The stereogram that Figure 11 coordinates for intelligent controlling device in the present invention with miniature circuit breaker；
Figure 12 coordinates bottom perspective view for Figure 11 intelligent controlling device with miniature circuit breaker.
Description of reference numerals：
1- insulation crusts, 11- mounting grooves；12- conducting strips；2- handles；21- arcuate projections；3- electromagnetic release mechanisms；4-
Current detecting part；5- arc-extinguishing mechanisms；61- static contacts；62- moving contacts；63- static contact conductive projections；64- moving contact conductive studs
Block；65- holddown springs；71- grabs；72- hook wheels；73- connecting rods；74- torsion springs；75- elastic components；76- trippings；77- supports；78-
Lock；79- rotating shafts；101- motors；121- stepped gears；122- spur gears；123- guide rods；124- screw rods；125- sliding blocks；126-
Drive block；1261- driver slots；1262- projections；103- housings；131- shifting shafts；132- shifting parts；1321- poke rods；134-
Rotating wheel；135- gangbar；136- release levers；1361- through holes；141- dropout actuator rotating shafts；142- dropout actuators；143-
Spring；105- is switched；180- controllers；181- detection modules；The receiving modules of 182- first；183- communication modules；184- second
Receiving module；The receiving modules of 185- the 3rd；A- breakers；B- intelligent controlling devices.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than indicate or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other
It can just be combined with each other into conflict.
Embodiment
The present embodiment provides a kind of intelligent breaker combination unit, as shown in Figure 11,12, including：
Breaker B, as Figure 1-3, be provided with the breaker A current detecting part (can be current transformer and
Realize the relevant apparatus of current detecting), the current detecting part 4 is used to obtain the current value by circuit in breaker；
Intelligent controlling device A, as Figure 7-9, is disposed in parallel in the breaker B sides, including, intelligent controlling device
Shell, and controller and actuating mechanism in intelligent controlling device shell；The controller is used to receive current detecting part
The current value of acquisition, and judge whether circuit overloads in breaker B according to current value, when circuit overloads in breaker
When, control and start actuating mechanism driving breaker to be threaded off.
Above-mentioned intelligent breaker combination unit, current detecting part is provided with breaker B, is obtained by current detecting part
By the current value of circuit in breaker B, then the current value is sent to the control of the intelligent controlling device positioned at road device side
In device (single-chip microcomputer), controller is judged according to the current value received, and current value is in overload for a period of time (should
Time is set according to national standard) after, that is, control starting operation mechanism driving breaker to be threaded off.Due to directly determining
Be circuit in breaker B current value, by controller intelligent control, thus overcome thermal trip easily by external environment condition
The problem of temperature influences and failed.And due to eliminating thermal trip, breaker internal resistance is greatly reduced, breaker is reduced
Oneself power consumption and caloric value, and current detecting part is low in energy consumption, and power consumption can be greatly reduced compared with thermal trip, from heat dropout
The power consumption of device is reduced to less than 0.1W (a breaker B and the common power consumptions of an intelligent controlling device A) more than 20W, can pole
The earth saves electric energy.In addition, removing after thermal trip, also can further improve the load current value of breaker, (high current passes through
Thermal trip heating afterwards can trigger dropout).Meanwhile, controller is independently arranged to the intelligent controlling device A outside breaker B
In, the problem of small space can not place controller inside breaker B can be prevented, while being also avoided that electricity inside breaker B
The forceful electric power influence controller work on road.
Specifically, the breaker, as described in Fig. 1-3, including insulation crust 1；
Binding post, including it is located at the inlet wire binding post and outlet binding post of the inside both sides of insulation crust 1 respectively；
Operating mechanism, including handle 2, support 77, coaxial (being axle with rotating shaft 79) are arranged on the tripping on the support 77
76 have the state that is linked locked together with lock 78, the tripping 76 and lock 78, and the dropout of phase separation is matched somebody with somebody
Conjunction state；
Electromagnetic release mechanism 3, is connected with the inlet wire binding post；
Moving contact 62, is arranged on the support 77；
Static contact 61, is connected with electromagnetic release mechanism 3, is set with the corresponding matching of moving contact 62；
Arc-extinguishing mechanism 5, two ends are connected with the static contact 61 and moving contact 62 respectively；
The handle 2 can drive moving contact 62 to move and contact or separate with static contact 61 when rotating, the electromagnetism
Tripping mechanism 3 can drive the support 77 to move and be in the support 77 and tripping 76 and thread off when short circuit occurs for circuit
Mated condition and the moving contact 62 is driven to be separated with static contact 61；
The current detecting part 4 is arranged between the moving contact 62 and the outlet binding post.
The current detecting part 4 is arranged between the moving contact 62 and the outlet binding post so that current detecting
Part prevents electromagnetic release mechanism 3 from being interfered with current detecting part far as possible from the electromagnetic release mechanism 3 of inlet wire binding post.
Rotating shaft 79 is provided with the support 77, the tripping 76, lock 78 and the moving contact 62 can be around described turns
Axle 79 is rotated, and torsion spring 74 is arranged with the rotating shaft 79, and two pins of the torsion spring 74 are born against in the He of tripping 76
Lock 78.Tripping 76 and lock 78 are interlocked in normal condition and are linked, when short circuit occurs for circuit in breaker,
By the effect of electrical apparatus release, tripping 76 is set to depart from lock 78, and further driving moving contact 62 separates with static contact 61 and makes open circuit
Device separating brake.Tripping 76 departs from after lock 78, then during lock 2-in-1 by handle, tripping 76 and lock 78 can be made to be locked in one again again
Rise, torsion spring 74 is that tripping 76 and lock 78 lock together offer elastic force.
As deformation, the current detecting part, which may also be arranged on after inlet wire binding post, etc. can accommodate its volume
Position.
Further, the voltage detecting part being connected with the controller, the voltage detecting are provided with the breaker
Part is used to obtain the magnitude of voltage in circuit and the magnitude of voltage of acquisition is transferred into the controller, and the controller is according to acquisition
Magnitude of voltage is simultaneously compared with preset value, controls when over-pressed or under-voltage and start the actuating mechanism driving breaker to carry out
Thread off.
By setting voltage detecting part, overvoltage or under-voltage protection are carried out to breaker, can be with various in protection circuit
Electrical equipment and personal security.
Further, to form A/F small for the bottom of insulation crust 1 and the intelligent controlling device outer casing bottom
In being arranged with the mounting groove of slot bottom width, the mounting groove to connect the current detecting part and the voltage detecting part and institute
The conducting strip 12 of controller is stated, the conducting strip 12 includes insulating bottom layer and the conductive layer positioned at bottom surface.
Conducting strip is inserted into mounting groove, and conductive layer is towards circuit breaker internal, by conductive layer by current detecting part and electricity
The current value and magnitude of voltage that pressure detection piece is got are transported on controller so that signal transmission is more convenient, also allows for simultaneously
The transmission of signal is carried out when multiple miniature circuit breakers are arranged side by side.
Further, the operating mechanism, as it can be seen in figures 5 and 6, also including：
Grab 71, is arranged in the insulation crust 1, can be connected around its own axis of rotation, one end with elastic component, one end
Form hook；
Hook wheel 72, is arranged on the handle 2, is connected by connecting rod 73 with the tripping 76, the hook with the grab 71
Son coordinates；
The handle 2 rotation make moving contact 62 from gate-dividing state transform to "on" position when, the handle 2 drives the card
Hook 71 coordinates away from the hook wheel 72 so that the hook wheel 72 departs from the grab 71；
The handle 2 rotation make moving contact 62 from "on" position transform to gate-dividing state when, the rotation of handle 2 drives institute
State hook wheel 72 and move closer to the grab 71, so that the hook wheel 72 is engaged by clamping with the grab 71.
By setting hook wheel 72 and grab 71, when moving contact 62 transforms to "on" position from gate-dividing state, handle 2 needs
First rotate a certain angle, when handle 2 is triggered to grab 71, promote hook wheel 72 to be separated with grab 71, hook wheel 72 and grab
The driving moving contact 62 of connecting rod 73 can be run through after 71 disengagings rapid close to static contact 61, realize rapid closing, reduce electric arc
Generation.
Further, arcuate projections 21 are formed on the handle 2, the rotation of handle 2 makes moving contact 62 from separating brake
When state transformation is to "on" position, the arcuate projections press the grab 71, make the grab 71 away from the hook wheel 72.
(pressing down on grab 71 in Fig. 1, grab 71 is turned clockwise certain angle).
Further, moving contact 62 has two, and can rotate respectively, between two moving contacts 62 and tripping 76 also
Holddown spring 65 is respectively arranged with, the holddown spring 65 is used to apply towards the direction of static contact 61 to the moving contact 62
Elastic force.
The contact area with static contact 61 is improved after two moving contacts 62 that can rotate respectively, combined floodgate, and is passed through respectively
Two holddown springs 65 ensure that latter two moving contact 62 of combined floodgate can be in close contact with static contact 61, prevent because mismachining tolerance is led
Cause to produce when two contact surfaces of moving contact 62 are non-coplanar can not while the problem of be contacted with static contact 61, improve security,
And miniature circuit breaker rated current can be improved in given volume.Pass through two moving contacts 62 and current detecting part through actual measurement
4 setting, makes the rated current of the wide miniature circuit breakers of 18mm can reach 125A-150A.
Further, it is provided with conductive projection on the static contact 61 and each moving contact 62.
As shown in Fig. 2 each moving contact 62 sets on a moving contact conductive projection 64, static contact 61 and is provided with one respectively
Individual static contact conductive projection 63, during combined floodgate, static contact conductive projection 63 is contacted and real with two moving contact conductive projections 64 simultaneously
Existing circuit turn-on, contact when can further improve combined floodgate by setting conductive projection between moving contact 62 and static contact 61
Degree, prevents the generation for contacting untight phenomenon.Each the conductive projection on moving contact 62 is relative with static contact 61
The surface area in face is 2.5-4mm2, the area of the matched conductive projection of static contact 61 is more than the conduction on two moving contacts 62
The summation of the surface area of projection.
Further, it is provided with elastic component 75 between the support 77 and the insulation crust 1, the elastic component 75 is to institute
State support 77 and apply the elastic force for driving the moving contact 62 to go to gate-dividing state.
Acted on by the energy storage of elastic component 75, make moving contact 62 when "on" position is to gate-dividing state, can quickly reach
Open position, rapid separating brake produces electric arc when reducing separating brake.
Further, the breaker has several, and is arranged side by side, and the handle 2 of each breaker includes position
The rhabodoid set in the cylindrical body in the insulation crust 1 and the stretching insulation crust 1, the cylindrical body is provided centrally with
Square hole, square pole sequentially passes through the square hole of all breakers, extend into the intelligent controlling device, and by the actuating mechanism
Drive and rotate, and then drive the handle 2 of all breakers to rotate.The mounting groove of all breakers also connects to form long ditch
Groove.
Make intelligent controlling device can be while multiple miniature circuit breakers are controlled, by setting square pole to pass through by above-mentioned setting
The axle center of the handle 2 of each breaker, square pole drives the handle of all miniature circuit breakers to rotate when rotating；Square setting makes
Each breaker the revolving force that is subject to of handle it is of substantially equal, it is ensured that the divide-shut brake of all miniature circuit breakers can be carried out simultaneously.
Specifically, intelligent controlling device, as Figure 7-9, including
Intelligent controlling device housing 103, and motor 101, the rotating wheel being arranged in intelligent controlling device housing 103
134th, transmission mechanism, screw rod 124, sliding block 125 and controller；
Motor 101, and be arranged in housing 103；
Transmission mechanism, is connected with motor 101；
Screw rod 124, is driven and rotated by the transmission mechanism；
Sliding block 125, is arranged on the screw rod 124, when the screw rod 124 is rotated, can be done directly along the screw rod 124
Displacement of the lines, the sliding block 125 has home position, open position and closing position on the screw rod 124；
Controller, is connected with the motor 101, controls the motor 101 to rotate according to the control of divide-shut brake control signal, from
And drive the screw rod 124 to rotate, and the sliding block 125 is done straight-line displacement along the screw rod 124；
When the sliding block 125 is moved between position and open position in the original location, the motion of separating brake drive mechanism is driven to drive
Miniature circuit breaker separating brake, the sliding block 125 reaches breaker after open position and completes separating brake, is returned afterwards by controller control
Home position is returned, so as to disconnect the drive connection with separating brake drive mechanism；
When the sliding block 125 is moved between position and closing position in the original location, the motion of combined floodgate drive mechanism is driven to drive
Miniature circuit breaker closes a floodgate, and the sliding block 125 reaches breaker after closing position and completes to close a floodgate, and is returned afterwards by controller control
Home position is returned, so as to disconnect the drive connection with combined floodgate drive mechanism.
The miniature circuit breaker control device of the present embodiment, is moved on screw rod 124 by sliding block 125, separating brake is driven respectively
Drive mechanism and combined floodgate drive mechanism are grasped to complete separating brake and closing operation to breaker completing separating brake and closing a floodgate
After work, controller active control sliding block 125 returns to home position, and disconnects the biography with separating brake drive mechanism or combined floodgate drive mechanism
Dynamic relation, because drive connection is disconnected, the internal part of miniature circuit breaker control device is no longer prevented from point of miniature circuit breaker
The action of switching-on mechanism, thus still can be with manually operated small-sized disconnected after control miniature circuit breaker carries out separating brake and closing operation
The handle of road device realizes divide-shut brake.Therefore, the miniature circuit breaker control device that the present embodiment is provided does not influence original small-sized disconnected
The manual control mode of road device so that, still can manual division in the case where miniature circuit breaker control device breaks down
Lock, improves security performance.
Further, the combined floodgate drive mechanism and separating brake drive mechanism, including：
Drive block 126, is arranged on the sliding block 125；
Rotating wheel 134, links with the close/open machine of breaker and sets；
Toggle mechanism, is driven by the sliding block 125 and stirs rotating wheel 134 and rotate；
When the sliding block 125 is moved between position and open position in the original location, the driving of drive block 126 toggle mechanism is dialled
Dynamic rotating wheel 134 is rotated and then drives the close/open machine of breaker to complete to close a floodgate, and the sliding block 125 is returned after home position,
The drive block 126 is disengaged with the toggle mechanism.
Specifically, the drive block 126 has driver slot 1261；
The toggle mechanism, including shifting shaft 131 on the inwall of housing 103 is fixedly installed on, it is arranged on the shifting shaft 131
On can be rotated around the shifting shaft 131 and be driven the shifting part 132 coordinated with the rotating wheel 134, and be arranged on
The poke rod 1321 extending into the driver slot 1261 on the shifting part 32；
The sliding block 125 in the original location position towards open position move when, the poke rod 1321 and the driver slot
1261 top cell wall contact (as shown in Figure 7), drive block 126 drives the poke rod 321 to drive shifting part 132 to rotate, entered
And drive rotating wheel 134 to rotate；
When the sliding block 125 in the original location towards closing position move by position, the poke rod 1321 and the driver slot
1261 bottom cell wall contact, drive block 126 drives the poke rod 1321 to drive shifting part 132 to rotate, and then drives rotation
Wheel 134 is rotated；
When the sliding block 125 is in home position, the top and bottom of the poke rod 1321 and the driver slot 1261
Cell wall has a certain distance.
Sliding block 125 is returned after home position, and the top and bottom cell wall of poke rod 1321 and the driver slot 1261 has
A certain distance, makes toggle mechanism not hinder the rotation of rotating wheel 134, and rotating wheel 134 can be with the divide-shut brake of miniature circuit breaker
Mechanism kinematic, thus separating brake and combined floodgate still can be realized with the handle 2 of manually operated miniature circuit breaker, in control device of circuit breaker
When breaking down or under emergency, breaking-closing operating can be carried out by the handle of manual toggle miniature circuit breaker, improved
Security.In addition, the combined floodgate drive mechanism of the present embodiment, simple in construction, component wear is small, and transmission efficiency, structural life-time is long.
Drive block 126 is the middle frame-shaped construction with driver slot 1261 (such as Fig. 7), also may be used as deformation drive block 126
To make hook-like.
The separating brake drive mechanism, including,
Drive block 126, is driven and moved along a straight line by the transmission mechanism, with protruding from the convex of the body of drive block 126
Block 1262；
Actuator rotating shaft 141 is detained, is fixedly installed and (is arranged on the inwall of housing 103)；
Dropout actuator 142, being arranged on button actuator rotating shaft 141 can rotate around the button actuator rotating shaft 141；
The projection 1262 together moves the drive dropout actuator 142 with the drive block 126 and rotated, described to thread off
Actuator 142 drives the release lever 136 to move, so that tripping mechanism of the release lever 136 in triggering breaker is completed
Breaker open operation simultaneously prevents the trigger position of breaker closing from allowing to breaker with the tripping mechanism released in triggering breaker
Converted between the rotine positioning of combined floodgate.
The rotating wheel 134 is preferably designed for gear, and the side of shifting part 132 forms the fan coordinated with the gear
Shape gear.
Coordinated by gear, transmission is accurate, transmission efficiency, and compact conformation, reliable operation, long working life.
Further, the transmission mechanism also includes, guide rod 123, is be arranged in parallel with screw rod 124, with smooth surface；
Sliding block 125 has two holes, and one of hole inwall has internal thread, passed through for screw rod 124, the internal thread with
External screw thread on the outer wall of screw rod 124 coordinates, and there is smooth inner wall to be passed through for guide rod 123 in another hole.
The gear mechanism, including a stepped gear 121 and a spur gear 122, the connection motor of stepped gear 121
101 rotating shaft and spur gear 122, the stepped gear 121 are coaxially disposed with guide rod 123, the spur gear 122 and screw rod 124
It is coaxially disposed.
By setting gear mechanism, screw rod 124 and sliding block 125, the rotary motion that motor 101 is exported is transformed into sliding block
125 linear motion, makes the acting surface of power be transformed into the direction parallel with paper perpendicular to the direction of paper from Fig. 7, changes
The acting surface of power, and such kind of drive, transmission is accurate, transmission efficiency, rub small, compact conformation, reliable operation,
Service life is long.
As deformation, guide rod 123 can be fixedly disposed at the axle that single one does not rotate in housing 103, or not
Guide rod 123 is set, is molded along the both sides of screw rod 124 on the inwall of housing 103 between two limited walls, two limited walls and forms sliding block
The movement slots of 125 operations, by the effect of limited wall, prevent sliding block 25 from rotating.
The controller, as shown in Figure 10, is connected with the motor 101, for controlling the start and stop of the motor 101 and turning
Dynamic direction, and can pass through controlled motor after toggle mechanism driving rotating wheel 134 completes breaker open operation or closes a floodgate
101, which finally drive the toggle mechanism to depart from transmission with rotating wheel 134, coordinates.
As a kind of specific embodiment, the controller of the present embodiment, including
Position sensor, the position for sensing sliding block 25, and outgoing position signal；
Detection module 181, for detecting the break-make of main circuit and exporting make-and-break signal；
Second receiving module 184, the position signalling exported for receiving position sensor；
Communication module 183, for receiving divide-shut brake control signal；
Controller 180, according to the electromechanical flow valuve of the make-and-break signal, the position signalling and divide-shut brake control signal and voltage
It is worth start and stop and the rotation direction of controlled motor 101.
Second receiving module 184 is received after the position signalling of position sensor output, stops transporting with regard to controlled motor 101
OK；
3rd receiving module 185 receives the current value and magnitude of voltage of current detecting part and voltage detecting part；
Communication module 183 is used to receive divide-shut brake control signal, is connected by accessing wireless or wired mode with network
Connect, communication module 183 receives the divide-shut brake control signal that network is sent, so that by control device of circuit breaker access network, then lead to
Cross the divide-shut brake of the terminal remote control breaker such as smart mobile phone, computer, remote control.Such as communication module 183 can be WIFI
Module, wireless communication module.
By controller by control device of circuit breaker access network, the intelligent control to breaker control is realized, makes to break
Road device becomes a part for smart home.
When control breaker open operation is needed, a sub-gate signal is just sent, communication module 183 receives sub-gate signal
After be transmitted to controller 180, controller 180 will the positive movement of controlled motor 101, and then drive breaker open operation, breaker
After separating brake, detection module 181 will detect main circuit disconnection, and controller is controlled after receiving the make-and-break signal of main circuit connection
The counter motion of motor 101 drive sliding block 125 toward muscle-setting exercise, when sliding block 125 reaches original position, will trigger position sensor,
Position sensor will send position signalling to the second receiving module 183, and controller makes motor according to the position signalling received
101 is out of service, sliding block 125 is stopped at home position.
When control breaker closing is needed, a switching signal is just sent, communication module 183 receives switching signal
After be transmitted to controller 180, controller 180 will the counter motion of controlled motor 101, and then drive breaker closing, breaker
After combined floodgate, detection module 181 will detect main circuit connection, and controller is controlled after receiving the make-and-break signal of main circuit connection
The positive movement of motor 101 drives sliding block 125 to be moved toward home position, when sliding block 125 reaches home position, equally understands trigger bit
Sensor is put, position sensor will send position signalling to the second receiving module 183, and controller 101 is according to the position received
Confidence number makes motor 101 out of service, sliding block 125 is stopped at home position.
Detection module 181, the second receiving module 184, communication module 183 and controller 180 are integrally disposed in integrated electricity
On the plate of road, and only a position sensor need to be set at the correspondence home position of sliding block 125, reduce the use of sensor
Amount, reduces the space shared by part, facilitates the arrangement of each part in housing 103.
As deformation, detection module 181 can also be not provided with, three position sensors, three position sensors point are set
Yong Yu not sense whether sliding block 125 reaches open position, home position and closing position, when sliding block 125 reach open position and
After closing position, then motor 101 makes sliding block 125 return to home position, so that toggle mechanism without prejudice to circuit breaker handle
Stir.
As a kind of variant embodiment of controller, controller can set timer and program, with controlled motor
101 driving sliding block 125 from home position to closing position, closing position return home position, home position to open position,
And open position returns to the run time of home position.And sliding block 125 is reached closing position or sub-gate position from home position
Postpone, auto-returned home position, now, in this way it is no longer necessary to which detection module 181 detects the on off operating mode of main circuit.
In the centrally disposed gangbar 135 of rotating wheel 134, gangbar 135 is set through the axle center of the handle 2 of each breaker
Put, so that control device of circuit breaker can drive the handle 2 of multiple breakers to rotate while realizing the conjunction of all breakers simultaneously
Lock is operated.Gangbar 135 can be the triangle pole that section is triangle, the square pole of square etc..
The control device of circuit breaker of the present embodiment can control multiple breakers simultaneously, by setting gangbar 135 through often
The axle center of the handle 2 of individual breaker, gangbar 135 drives the handle of all breakers to rotate when rotating so that each breaker
The revolving force that is subject to of handle 2 it is of substantially equal, it is ensured that the combined floodgate of all breakers can be carried out simultaneously.
The course of work of the control device of circuit breaker of the present embodiment is：
Driving breaker carries out closing operation process：
As shown in fig. 7, now breaker is in gate-dividing state, when needing control breaker closing, sent to controller
Switching signal, controller controlled motor 101 starts, and motor 101 drives screw rod 124 to rotate by gear mechanism, makes the edge of sliding block 125
Screw rod 124 by being moved downward in figure, now, the roof of the driver slot of drive block 126 connects with the poke rod 1321 of shifting part 132
Touch, drive block 126 drives shifting part 132 to do turning clockwise in figure around shifting shaft 131, and by being molded over shifting part 132
On sector gear driving rotating wheel 34 rotate so that drive breaker close/open machine act complete closing operation.Complete
After closing operation, the main circuit conducting that breaker is controlled, controller is after the signal that electric current passes through is received, motor
101 reversion (when just starting with closing operation start motor 101 when direction of rotation it is opposite), make sliding block 125 along screw rod 124 by
Moved upwards in Fig. 1, the return of sliding block 125 home position (position sets position sensor in the original location, once sliding block 125 is returned
Home position will trigger position sensor, signal issued controller by position sensor, and controller controlled motor 101 stops fortune
OK), drive block 126 is disengaged with poke rod 1321, and transmission when relieving combined floodgate between toggle mechanism and rotating wheel 134 is matched somebody with somebody
Conjunction relation, poke rod 1321 is located at the centre position of driver slot 1261, and the motion of poke rod 321 will not be driven the obstruction of block 126,
The rotation of shifting part 132 and rotating wheel 134 is also unrestricted, and state is as shown in figure 9, now, it is possible to manually dial
The handle 2 of dynamic breaker, makes after breaker open operation, breaker open operation, the shifting part 132 under the drive of breaker close/open machine
Position as shown in Figure 7 is returned to rotating wheel 134.
Driving breaker carries out sub-switching operation process：
Under normal conditions, in the case where breaker has closed a floodgate, as shown in fig. 7, passing through control device of circuit breaker control
During short-circuiting device separating brake processed, its process is：Start motor 101, make sliding block 125 along screw rod 124 from home position to closing position
Motion (is pressed in Fig. 7 and moved upwards), and now, the projection 1262 on drive block 126 withstands one end of dropout actuator 142, makes to take off
Actuator 142 is detained around dropout actuator rotating shaft 141 being rotated clockwise shown in Fig. 7, so as to drive release lever 136 logical
Run along clockwise direction in hole 1361, and release lever 136 drives the trip gear action of breaker, makes breaker open operation, breaks
Road device handle 2 can also skip to switching-off device, and this separating brake mode quick action can promptly realize separating brake in time.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.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 change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (10)
1. a kind of intelligent breaker combination unit, it is characterised in that including：
Current detecting part is provided with breaker, the breaker, the current detecting part is used to obtain by electricity in breaker
The current value on road；
Intelligent controlling device, is disposed in parallel in the breaker side, including, intelligent controlling device shell, and positioned at intelligent control
Controller and actuating mechanism in crust of the device processed；The controller is used for the current value for receiving the acquisition of current detecting part, and root
Judge whether circuit overloads in breaker according to current value, when circuit overloads in breaker, control and start described
Actuating mechanism driving breaker is threaded off.
2. intelligent breaker combination unit according to claim 1, it is characterised in that
The breaker, including insulation crust (1)；
Binding post, including it is located at the inlet wire binding post and outlet binding post of the internal both sides of the insulation crust (1) respectively；
Operating mechanism, including handle (2), support (77), the tripping (76) that is co-axially located on the support (77) and lock
(78), the tripping (76) and lock (78) have the state that is linked locked together, and the dropout being separated coordinates
State；
Electromagnetic release mechanism (3), is connected with the inlet wire binding post；
Moving contact (62), is arranged on the support (77)；
Static contact (61), is connected with electromagnetic release mechanism (3), is set with the moving contact (62) corresponding matching；
Arc-extinguishing mechanism (5), two ends are connected with the static contact (61) and moving contact (62) respectively；
During handle (2) rotation moving contact (62) can be driven to move and contact or separate with static contact (61), the electricity
Magnetic tripping mechanism (3) can drive the support (77) to move when short circuit occurs for circuit and make the tripping (76) and lock
(78) it is in dropout mated condition and drives the moving contact (62) to be separated with static contact (61)；
The current detecting part is arranged between the moving contact (62) and the outlet binding post.
3. intelligent breaker combination unit according to claim 2, it is characterised in that
The voltage detecting part being connected with the controller is provided with the breaker, the voltage detecting part is used to obtain circuit
In magnitude of voltage and the magnitude of voltage of acquisition is transferred to the controller, the controller according to the magnitude of voltage of acquisition and with it is default
Value is compared, and controls when over-pressed or under-voltage and start the actuating mechanism driving breaker to be threaded off.
4. intelligent breaker combination unit according to claim 3, it is characterised in that
Insulation crust (1) bottom and the intelligent controlling device outer casing bottom form A/F less than slot bottom width
It is arranged with to connect leading for the current detecting part and the voltage detecting part and the controller in mounting groove, the mounting groove
Electric piece, the conducting strip includes insulating bottom layer and the conductive layer positioned at bottom surface.
5. the intelligent breaker combination unit according to claim any one of 2-4, it is characterised in that
The operating mechanism also includes：
Grab (71), is arranged in the insulation crust (1), can be connected around its own axis of rotation, one end with elastic component, one end
Form hook；
Hook wheel (72), is arranged on the handle (2), is connected by connecting rod (73) with the tripping (76), with the grab
(71) hook coordinates；
The handle (2) rotation make moving contact (62) from gate-dividing state transform to "on" position when, handle (2) driving is described
Grab (71) coordinates away from the hook wheel (72) so that the hook wheel (72) departs from the grab (71)；
The handle (2) rotation make moving contact (62) from "on" position transform to gate-dividing state when, handle (2) rotation drives
The hook wheel (72) moves closer to the grab (71), so that the hook wheel (72) is engaged by clamping with the grab (71).
6. intelligent breaker combination unit according to claim 5, it is characterised in that form arc on the handle (2)
Shape protuberance (21), the handle (2) rotation make moving contact (62) from gate-dividing state transform to "on" position when, the arc is convex
Go out portion and press the grab (71), make the grab (71) away from the hook wheel (72).
7. the intelligent breaker combination unit according to claim any one of 2-4, it is characterised in that
The moving contact (62) has two, and can rotate respectively, also divides between two moving contacts (62) and tripping (76)
Holddown spring (65) is not provided with, and the holddown spring (65) is used to apply towards the static contact to the moving contact (62)
(61) elastic force in direction.
8. intelligent breaker combination unit according to claim 7, it is characterised in that
Conductive projection is provided with the static contact (61) and each moving contact (62).
9. intelligent breaker combination unit according to claim 2, it is characterised in that the support (77) and the insulation
Elastic component (75) is provided between shell (1), the elastic component (75) applies to the support (77) drives the moving contact
(62) elastic force of gate-dividing state is gone to.
10. the intelligent breaker combination unit according to claim any one of 2-4, it is characterised in that the breaker has
Several, and be arranged side by side, the handle (2) of each breaker includes the cylindrical body being located in the insulation crust (1)
With the rhabodoid for stretching out insulation crust (1) setting, the cylindrical body is provided centrally with square hole, and square pole sequentially passes through all
The square hole of breaker, extend into the intelligent controlling device, and is driven and rotated by the actuating mechanism, and then drives all
The handle (2) of the breaker is rotated.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610085910.3A CN105513915B (en) | 2016-02-15 | 2016-02-15 | A kind of intelligent breaker combination unit |
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|---|---|---|---|
| CN201610085910.3A CN105513915B (en) | 2016-02-15 | 2016-02-15 | A kind of intelligent breaker combination unit |
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| CN105513915B true CN105513915B (en) | 2017-09-12 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108122715A (en) * | 2017-12-21 | 2018-06-05 | 郑立新 | Intelligent circuit breaker |
| CN110838424A (en) * | 2018-08-16 | 2020-02-25 | 陈业强 | Damping current controller and application |
| CN109148229B (en) * | 2018-09-27 | 2024-04-05 | 杭州四方博瑞科技股份有限公司 | Intelligent circuit 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 |
| CN113725031A (en) * | 2020-05-26 | 2021-11-30 | 天津首瑞智能电气有限公司 | Electric switch |
| CN112103148A (en) * | 2020-09-27 | 2020-12-18 | 深圳曼顿科技有限公司 | Single-pole circuit breaker |
| CN112908791B (en) * | 2021-01-06 | 2022-08-09 | 加西亚电子电器股份有限公司 | Intelligent circuit breaker |
| CN113223903B (en) * | 2021-05-13 | 2022-09-16 | 三为电气股份有限公司 | Electromagnetic trip type leakage tripping device |
| CN113823536A (en) * | 2021-11-04 | 2021-12-21 | 贵州泰永长征技术股份有限公司 | Intelligent miniature circuit breaker control method |
| CN117405953B (en) * | 2023-12-15 | 2024-02-27 | 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3821607A (en) * | 1972-12-29 | 1974-06-28 | Westinghouse Electric Corp | Circuit interrupter protective device |
| JP3383550B2 (en) * | 1997-06-27 | 2003-03-04 | 松下電工株式会社 | Circuit breaker |
| CN2489459Y (en) * | 2001-05-28 | 2002-05-01 | Lg产电株式会社 | Circuit trip device |
| KR100823144B1 (en) * | 2006-03-29 | 2008-04-21 | 새턴정보통신(주) | Circuits Breaker having resetting function and breaking function for abnormal current |
| CN101651071B (en) * | 2008-08-12 | 2012-07-04 | 湖北盛佳电器设备有限公司 | Electric control breaker with short circuit self-locking function |
| CN101814714A (en) * | 2009-02-21 | 2010-08-25 | 湖北盛佳电器设备有限公司 | Load control circuit breaker with circuit abnormal detection function |
| JP2011009152A (en) * | 2009-06-29 | 2011-01-13 | Mitsubishi Electric Corp | Electronic circuit breaker |
| CN101882544A (en) * | 2010-06-10 | 2010-11-10 | 厦门大恒科技有限公司 | Air switch with functions of delayed releasing and automatic reclosing |
| KR101212213B1 (en) * | 2011-07-15 | 2012-12-13 | 엘에스산전 주식회사 | Apparatus of modular trip mechanism and accessory mechanism for circuit breaker |
| CN205335203U (en) * | 2016-02-15 | 2016-06-22 | 佳一电气有限公司 | Intelligence circuit breaker composite set |
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- 2016-02-15 CN CN201610085910.3A patent/CN105513915B/en active Active
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