CN209730629U - A kind of combined electrical apparatus - Google Patents

A kind of combined electrical apparatus Download PDF

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Publication number
CN209730629U
CN209730629U CN201920676088.7U CN201920676088U CN209730629U CN 209730629 U CN209730629 U CN 209730629U CN 201920676088 U CN201920676088 U CN 201920676088U CN 209730629 U CN209730629 U CN 209730629U
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China
Prior art keywords
interlocking
cabinet door
axis
breaker
switch
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CN201920676088.7U
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Chinese (zh)
Inventor
周文
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Zhejiang Tuoyuan Electric Co Ltd
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Zhejiang Tuoyuan Electric Co Ltd
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Priority to CN201920676088.7U priority Critical patent/CN209730629U/en
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Abstract

A kind of combined electrical apparatus.It is simple to solve existing combined electrical apparatus structure, interlocks insecure problem.It includes frame body, mechanism case, breaker, disconnecting switch, earthing switch, breaker actuation axis, isolated operation axis, it is grounded operating shaft, first interlocking mechanism, second interlocking mechanism and third interlocking mechanism, first interlocking mechanism is unable to the second state operated when the first state and breaker open operation of operation isolation operating shaft convenient for isolated operation axis when having breaker closing, unlock is so that the second position that breaker actuation axis freely acts when second interlocking mechanism has the first position and the disconnecting switch closure that avoid breaker closing with the interlocking of breaker actuation axis when disconnecting switch is opened.The utility model is provided with the first interlocking mechanism, the second interlocking mechanism and third interlocking mechanism, so that breaker and disconnecting switch, disconnecting switch and earthing switch reciprocal interlocking, interlocking is reliable, and maloperation is avoided to bring personnel's property loss.

Description

A kind of combined electrical apparatus
Technical field
The utility model relates to a kind of technical field of electrical equipment, and in particular to a kind of combined electrical apparatus.
Background technique
Combined electrical apparatus (composite apparatus) is to form two or more electric appliance by wiring requirement One entirety and each electric appliance still keep originality can device.Compact-sized, outline overall and installing dimensions is small, easy to use, and each electricity The performance of device can preferably cooperation, low pressure combined electrical apparatus and high-voltage combined electrical apparatus can be divided by voltage levels.
High-voltage combined electrical apparatus is divided into open type and two kinds of totally enclosed type by insulation system.The former is with disconnecting switch or breaker Based on, by elements such as current transformer, voltage transformer, ends, common combination is formed therewith.The latter is by each composition member The electrification in high voltage position of part is sealed in grounded metal enclosure, and the good gas of insulation performance, oil or solid insulation are filled in shell Medium, each constituent element (generally comprise breaker, disconnecting switch, earthing switch, voltage transformer, current transformer, bus, Arrester, cable termination etc.) by wiring requirement, it is sequentially connected and forms a whole.Existing combined electrical apparatus structure is simple, only Have simple interlock, do not have reverse interlocking function usually, there are biggish security risks.
Utility model content
It is simple for existing combined electrical apparatus structure in solution background technique, insecure problem is interlocked, the utility model provides A kind of combined electrical apparatus.
The technical solution of the utility model is: a kind of combined electrical apparatus, including frame body and mechanism case, and the frame body is equipped with Breaker, earthing switch, the breaker actuation axis for controlling breaker closing or separating brake, is used for operation isolation at disconnecting switch It switchs the isolated operation axis of open or close, for the ground connection operating shaft of operational grounding switch open or close, further includes first Interlocking mechanism, the second interlocking mechanism, for so that isolated operation axis and ground connection operating shaft reciprocal interlocking third interlocking mechanism, institute When the first interlocking mechanism stated is unable to the first state and breaker open operation of operation isolation operating shaft when having breaker closing just In the second state of isolated operation axis operation, second interlocking mechanism has when disconnecting switch is opened and breaker actuation Unlock is so that breaker actuation axis freely acted when axis interlocking avoids the first position of breaker closing and disconnecting switch from being closed The second position.
As a kind of improvement of the utility model, the mechanism case is equipped with isolator operation hole, and described first Interlocking mechanism includes interlocking movable plate, and the interlocking movable plate is set in mechanism case, and the interlocking movable plate, which has to block, keeps apart It closes the first position of handle hole and opens and expose the second position that isolated operation axis is convenient for disconnecting switch operation, breaker, which is in, to be closed Interlocking movable plate described in when gate position is in first position.
The breaker actuation axis passes through driver plate and interlocking movable plate phase as a further improvement of the utility model, It supports, the driver plate presses interlocking movable plate in breaker closing and interlocking movable plate is made to block isolator operation hole.
Second interlocking mechanism includes isolation drive part, isolation transmission as a further improvement of the utility model, Component and combined floodgate locking part, the isolation drive part are connected by isolation transmission component with combined floodgate locking part, the conjunction Lock locking part, which has, to be avoided the first position of breaker closing with the interlocking of breaker actuation axis when disconnecting switch is opened and is isolated Unlock is so that the second position that breaker actuation axis freely acts when closing the switch.
The third interlocking mechanism has as a further improvement of the utility model, interlocks in earthing switch closure The first state of isolated operation axis and unlock is so that the second state that isolated operation axis freely acts when earthing switch is opened, the With the first position in disconnecting switch closure interlocked earthing operating shaft and when disconnecting switch is opened, unlock makes tri-interlocking device The second position that operating shaft freely acts must be grounded.
The third interlocking mechanism includes the first interlock cam, second as a further improvement of the utility model, Lock cam and locating wheel, first interlock cam, the second interlock cam outer surface offset with locating wheel, the positioning Wheel, which is set on frame body and slides with frame body, to be cooperated.
First interlock cam is equipped with the first gap slot and first as a further improvement of the utility model, Convex surface is locked, second interlock cam is equipped with the second gap slot and the second interlocking convex surface, and disconnecting switch is described fixed when being closed Position wheel presses interlocked earthing operating shaft in the second gap slot by the first interlocking convex surface, when earthing switch is closed described in locating wheel Interlocking isolated operation axis in first gap slot is pressed by the second interlocking convex surface.
It as a further improvement of the utility model, further include the 4th interlocking mechanism, the 4th interlocking mechanism has The first position of isolated operation axis is blocked in earthing switch closure and unlock exposes isolated operation axis and makes isolated operation axis certainly By the second position acted, when the third interlocking mechanism is in first state described in the 4th interlocking mechanism be in first It sets.
The utility model further includes cabinet door interlocking mechanism, and the cabinet door interlocking mechanism includes cabinet door interlock assembly and ground connection Interlock assembly, the cabinet door interlock assembly, which has, interlocks the first position of cabinet door when earthing switch is opened and in earthing switch Locker door is solved when closure and allows the second position that cabinet door is freely rotated, and the ground connection interlock assembly has to be opened in cabinet door The first state of interlocked earthing operating shaft and unlock are so that the second state that ground connection operating shaft is freely rotated, the cabinet door connection afterwards Ground connection interlock assembly described in when lock set is in the second position is in the second state.
Cabinet door interlock assembly described in the utility model includes cabinet door jam plate and movable plate, and the movable plate joins in cabinet door Cabinet door interlocking is realized when lock set is in first position in insertion cabinet door jam plate, the cabinet door jam plate is fixed in cabinet door, institute The movable plate stated is set in ground connection operating shaft and drives its reciprocating motion by ground connection operating shaft, and the ground connection interlock assembly includes Blocking lever and driving plate, the blocking lever have the first position of interlocked earthing operating shaft after cabinet door opening and close in cabinet door The second position of driving plate driving unlock is passed through by cabinet door after closing.
The utility model has the beneficial effects that it is provided with the first interlocking mechanism, the second interlocking mechanism and third interlocking mechanism, So that breaker and disconnecting switch, disconnecting switch and earthing switch reciprocal interlocking, interlocking is reliable, and maloperation is avoided to bring personnel's wealth Produce loss.The advantages that the utility model also has structure simple, easy to assembly, reliable in action, long service life.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of the utility model embodiment.
Attached drawing 2 is the left view structural representation of attached drawing 1.
Attached drawing 3 is the structural schematic diagram in attached drawing 1 in mechanism case.
Attached drawing 4 is that attached drawing 3 removes the structural schematic diagram after the first interlocking mechanism.
Attached drawing 5 is the structural schematic diagram of 3 other direction of attached drawing.
Attached drawing 6 is the structural schematic diagram of 3 other direction of attached drawing.
Attached drawing 7 is the structural schematic diagram of 6 other direction of attached drawing.
Attached drawing 8 is the structural schematic diagram in attached drawing 7 at third interlocking mechanism 8.
Attached drawing 9 is the structural schematic diagram in attached drawing 4 at second interlocking mechanism 7.
Attached drawing 10 is the structural schematic diagram being isolated at transmission component 72 in attached drawing 9.
Attached drawing 11 is the structural schematic diagram of the first interlock cam 81 in attached drawing 8.
In figure, 1, frame body;11, limit hole;2, mechanism case;21, isolator operation hole;22, switch knob;23, it closes a floodgate Transmission component;24, earthing switch handle hole;3, breaker;31, breaker actuation axis;32, driver plate;4, disconnecting switch;41, Isolated operation axis;42, connecting rod;43, disconnecting switch acts axis;5, earthing switch;51, it is grounded operating shaft;511, gap slot; 52, it is grounded actuator;6, the first interlocking mechanism;61, movable plate is interlocked;62, fixed plate is interlocked;63, interlocking mechanism is isolated;631, join Lock pin;632, linkage board;7, the second interlocking mechanism;71, isolation drive part;72, transmission component is isolated;721, the first driving member; 722, the second driving member;73, combined floodgate locking part;8, third interlocking mechanism;81, the first interlock cam;811, the first gap slot; 812, the first interlocking convex surface;813, notch is interlocked;82, the second interlock cam;821, the second gap slot;822, the second interlocking is convex Face;83, locating wheel;9, the 4th interlocking mechanism;91, earthed crank arm;92, shutter;93, guide chute;10, cabinet door interlocking machine Structure;101, cabinet door interlock assembly;1011, cabinet door jam plate;1012, movable plate;102, it is grounded interlock assembly;1021, blocking lever; 1022, driving plate.
Specific embodiment
The utility model embodiment is described further with reference to the accompanying drawing:
As shown in Fig. 1 combination Fig. 2-11, a kind of combined electrical apparatus, including frame body 1 and mechanism case 2, the frame body 1 are equipped with Breaker 3, disconnecting switch 4, earthing switch 5, for control breaker 3 close a floodgate or separating brake breaker actuation axis 31, for grasping Make the isolated operation axis 41 of 4 open or close of disconnecting switch, for the ground connection operating shaft of 5 open or close of operational grounding switch 51, it is characterised in that: further include the first interlocking mechanism 6, the second interlocking mechanism 7, be used for so that isolated operation axis 41 and ground connection are grasped Make the third interlocking mechanism 8 of 51 reciprocal interlocking of axis, first interlocking mechanism 6 have breaker 3 cannot be operated when closing a floodgate every The second state operated when 3 separating brake of first state and breaker from operating shaft 41 convenient for isolated operation axis 41, described second Interlocking mechanism 7 have disconnecting switch 4 open when with breaker actuation axis 31 interlock avoid breaker 3 close a floodgate first position and Unlock is so that the second position that breaker actuation axis 31 freely acts when disconnecting switch 4 is closed.The beneficial effects of the utility model It is to be provided with the first interlocking mechanism, the second interlocking mechanism and third interlocking mechanism, so that breaker and disconnecting switch, keeping apart It closes and reliably, maloperation is avoided to bring personnel's property loss with earthing switch reciprocal interlocking, interlocking.The utility model also has structure Simply, easy to assembly, the advantages that reliable in action, long service life.
The mechanism case 2 is equipped with isolator operation hole 21, and first interlocking mechanism 6 includes interlocking movable plate 61, the interlocking movable plate 61 is set in mechanism case 2, and the interlocking movable plate 61 is with blocking the of isolator operation hole 21 One position and opening expose the second position that isolated operation axis 41 is convenient for disconnecting switch operation 4, when breaker 3 is in closing position The interlocking movable plate 61 is in first position.
Interlocking fixed plate 62 is equipped in the mechanism case, the interlocking movable plate is set to mechanism case outer surface and interlocking is solid Between fixed board.It interlocks movable plate to be set between panel and interlocking fixed plate, certain sliding guiding role can be played, so that interlocking is dynamic Plate reliable in action is steady.
The breaker actuation axis 31 is offseted by driver plate 32 and interlocking movable plate 61, and the driver plate 32 is in open circuit Press interlocks movable plate 61 and interlocking movable plate 61 is made to block isolator operation hole 21 when device 3 closes a floodgate.Specifically, described disconnected Device movement axis in road is connected by link assembly with main shaft, and the main shaft is equipped with main shaft rotating arm, the main shaft rotation Arm is connected with driver plate.Interlocking movable plate can by return unit or by driver plate drive reset or by make manually every It is corresponding with isolated operation axis to leave pass handle hole, convenient for the disconnecting switch operation in breaker open operation, is beaten convenient for disconnecting switch It opens or is closed, interlocking movable plate movement can reliably be driven by link assembly and drive rod, so that when breaker closing Isolated operation axis is interlocked at panel, avoids disconnecting switch maloperation.
The frame body 1 is equipped with isolation interlocking mechanism 63, and the isolation interlocking mechanism locks when having breaker closing Only the first position of disconnecting switch and when breaker open operation unlock so that disconnecting switch movement the second position.Interlocking mechanism is isolated Setting so that breaker close a floodgate when on isolated operation axis realize interlocking, avoid disconnecting switch maloperation so that produce The security performance of product is high.
The isolation interlocking mechanism 63 includes interlocking latch 631, and the interlocking latch is connected with breaker actuation axis, institute The first interlock cam stated is set on isolated operation axis, the first interlock cam of locking when the interlocking latch has breaker closing So that unlock is so that the second position that disconnecting switch acts when the inoperable first position of isolated operation axis and breaker open operation. Specifically, the breaker actuation axis is equipped with linkage board, and the interlocking latch is set on linkage board and is driven by linkage board Its horizontal movement, first interlock cam is rotated relative to frame body to be arranged, and first interlock cam is equipped with for interlocking Sell the interlocking notch 813 of insertion.The interlocking of isolated operation axis, the interlocking are realized in the cooperation of interlocking latch and the first interlock cam Pin drives its movement by breaker actuation axis, and in breaker closing, interlocking latch is inserted into the interlocking notch of the first interlock cam Realize the interlocking of isolated operation axis, structure is simple, and interlocking is reliable.The utility model is kept away at panel by blocking isolated operation axis Exempt from that maloperation is isolated, by avoiding isolated operation axis from rotating in interlocking pin shaft insertion interlocking notch at the first interlock cam, peace Full performance is more preferable.
The isolated operation axis is equipped with connecting rod, and the connecting rod is connected and is used for disconnecting switch movement axis Drive disconnecting switch open or close.Such structure enables isolated operation axis reliably to drive disconnecting switch by connecting rod Axis movement is acted, so that disconnecting switch fast implements open or close.
Second interlocking mechanism 7 includes isolation drive part 71, transmission component 72 and combined floodgate locking part 73 is isolated, described Isolation drive part 71 by be isolated transmission component 72 be connected with combined floodgate locking part 73, the combined floodgate locking part 73 with When first position and the closure of disconnecting switch 4 for avoiding the combined floodgate of breaker 3 are interlocked when disconnecting switch 4 is opened with breaker actuation axis 31 Unlock is so that the second position that breaker actuation axis 31 freely acts.The utility model is provided with combined floodgate locking part, passes through isolation The rotation of actuator drives isolation transmission component vertical motion, to realize the interlocking and unlock of combined floodgate locking part.Specifically, Combined floodgate locking part is articulated in mechanism case and is rotatably assorted with mechanism case.The isolation drive part is set on isolated operation axis simultaneously It is connected with isolated operation axis.Breaker interlocking reliably can be realized by the rotation of isolated operation axis in this way, avoid every It leaves combined floodgate breaker when pass is opened and causes personnel's property loss.
The mechanism case 2 is equipped with the switch knob for controlling breaker closing, and the switch knob passes through conjunction Lock transmission component is connected with breaker actuation axis and has for controlling breaker closing, and the combined floodgate locking part is being kept apart It closes and is mutually interlocked when opening with combined floodgate transmission component.Specifically, switch knob makes breaker actuation by combined floodgate transmission component Axis movement, the combined floodgate transmission component and operating breaker on/off switch and stored energy mechanism can use existing operating mechanism, close a floodgate Locking part is mutually interlocked when disconnecting switch is opened with combined floodgate transmission component, and the combined floodgate breaker when disconnecting switch is opened is avoided to cause Personnel's property loss.It specifically, is to realize disconnecting switch to breaker closing function by limiting the rotation of combined floodgate transmission component The interlocking of energy.
The isolation transmission component include the first driving member 721 and the second driving member 722, the isolation drive part with First driving member is connected, and second driving member is connected with combined floodgate locking part.Specifically, the isolation drive part It is connected on isolated operation axis and with isolated operation axis, the isolation drive part is when disconnecting switch is opened by the One driving member, the second driving member vertical motion driving combined floodgate locking part rotate and limit combined floodgate transmission component.More specifically, The combined floodgate locking part is equipped with driver slot and limiting section, and second driving member is equipped in insertion driver slot for driving The driving portion of dynamic circuit connector lock locking part rotation, second driving member are equipped with elastic component.The setting of driving portion is convenient for reliable fast The dynamic driving combined floodgate locking part rotation of speed belt, the setting of elastic component is convenient for playing the role of reset and guaranteeing reliably to interlock, so that producing Product interlocking is reliable, and structure is simple, stable action.
The third interlocking mechanism 8 have earthing switch 5 be closed when interlocking isolated operation axis 41 first state and When earthing switch 5 is opened, unlock is so that the second state that isolated operation axis 41 freely acts, third interlocking mechanism 8 have every It leaves the first position for closing 4 closure interlocked earthing operating shafts 51 and is unlocked when disconnecting switch 4 is opened so that ground connection operating shaft 51 The second position freely acted.By the setting of third interlocking mechanism so that interlocking isolated operation axis when earthing switch is closed, keep away Exempt from the malfunction of isolated operation axis to cause casualties, while in disconnecting switch closure.Such structure passes through third interlocking machine Structure is able to achieve positive interlocking and the reverse interlocking of disconnecting switch and earthing switch, i.e. disconnecting switch energy interlocked earthing when opening is opened It closes, error operation of grounding switch is avoided to be closed, earthing switch energy reverse interlocking disconnecting switch in closure avoids keeping apart closing It closes.Structure is made to make product structure simple in this way, interlocking is reliable.
The third interlocking mechanism 8 includes the first interlock cam 81, the second interlock cam 82 and locating wheel 83, and described the One interlock cam 81, the second interlock cam 82 outer surface offset with locating wheel 83, the locating wheel 83 be set to frame body 1 on And it slides and cooperates with frame body 1.The utility model is grounded switch by the first interlock cam, the second interlock cam and locating wheel With the interlocking of disconnecting switch, structure is simple, stable action, and interlocking is reliable.Third interlocking mechanism and mechanism case are set to the two of frame body Side rationally utilizes the space of product, easy for installation.Specifically, the first interlock cam is set on isolated operation axis, and described the Two interlock cams are set in ground connection operating shaft, and the locating wheel is set on bracket and interlocks in the first interlock cam, second convex Between wheel.
First interlock cam 81 is equipped with the first gap slot 811 and the first interlocking convex surface 812, and described second Lock cam 82 and be equipped with the second gap slot 821 and the second interlocking convex surface 822, disconnecting switch 4 when being closed the locating wheel 83 by the One interlocking convex surface 812 presses interlocked earthing operating shaft 51 in the second gap slot 821, when earthing switch 5 is closed described in positioning Wheel 83 presses interlocking isolated operation axis 41 in the first gap slot 811 by the second interlocking convex surface 822.The utility model passes through positioning The interlocking of wheel moved up and down and switch and disconnecting switch are grounded with the cooperation of gap slot, interlocking convex surface, structure letter Single, stable action, interlocking is reliably.More specifically, breaker may be implemented in the setting by interlocking latch and the first interlock cam With the interlocking of earthing switch, security performance height.
The frame body 1 is equipped with limit hole 11, and the locating wheel is set to the first interlock cam and the second interlock cam Between outer surface, the locating wheel, which is set in limit hole and slides with frame body, to be cooperated.Specifically, first gap slot It is the arcwall face to be formed that is recessed inwardly with the second gap slot, the locating wheel is set in limit hole by mounting pin, described Locating wheel be sheathed in mounting pin and can be rotated around mounting pin.The setting of gap slot is convenient for locking positioning with interlocking convex surface Wheel allows product to be grounded the interlocking of switch and disconnecting switch by locating wheel, and structure is simple, stable action, connection Lock is reliable.The cooperation of locating wheel and arcwall face can quickly realize that operating condition changes again in operation, and structure is simple, movement Reliably.
The utility model further includes the 4th interlocking mechanism 9, and the 4th interlocking mechanism 9 has to be closed in earthing switch 5 When block isolated operation axis 41 first position and unlock expose isolated operation axis 41 isolated operation axis 41 is freely acted The second position, when the third interlocking mechanism 8 is in first state described in the 4th interlocking mechanism 9 be in first position.The The settings of four interlocking mechanisms further joins disconnecting switch so that earthing switch avoids isolated operation axis from acting when closing a floodgate Lock, interlocking are reliable.
4th interlocking mechanism includes earthed crank arm 91, and the earthed crank arm is set in ground connection operating shaft, described Earthed crank arm be equipped with shutter 92, the mechanism case be equipped with isolator operation hole 21 and earthing switch handle hole 24, the shutter has the first position that isolator operation hole is blocked in earthing switch closure and unlock exposing isolation The second position that operating shaft acts isolated operation axis freely.The setting of shutter avoids being inserted into earthing switch when closing a floodgate Handle rotates isolated operation axis, and structure is simple, and interlocking is reliable.
The earthed crank arm is connected with shutter, and the earthed crank arm is connected with ground connection operating shaft, described Shutter with respect to mechanism case horizontal reciprocating movement.Specifically, the guiding for pin shaft insertion is equipped on the shutter Sliding slot 93.Such structure reliably can convert linkage board, shutter horizontal reciprocating movement for the rotation for receiving connecting lever, thus Isolated operation axis is blocked in the movement for enabling shutter fast and reliable.
The utility model further includes cabinet door interlocking mechanism 10, and the cabinet door interlocking mechanism 10 includes cabinet door interlock assembly 101 have first of the interlocking cabinet door when earthing switch 5 is opened with ground connection interlock assembly 102, the cabinet door interlock assembly 101 Position and the second position that cabinet door is freely rotated in solution locker door when earthing switch 5 is closed, the ground connection interlocking Component 102 has the first state of interlocked earthing operating shaft 51 and unlock after cabinet door opening so that ground connection operating shaft 51 freely turns Ground connection interlock assembly 102 described in when the second dynamic state, the cabinet door interlock assembly 101 are in the second position is in second State.The utility model is provided with cabinet door interlock assembly and ground connection interlock assembly, so that being able to achieve between earthing switch and cabinet door Positive interlocking and reversed interlocking, so that cabinet door could switch when only earthing switch is closed, when cabinet door is closed Earthing switch just can be carried out operation, and structure is simple, and interlocking is reliable.
The cabinet door interlock assembly 101 includes cabinet door jam plate 1011 and movable plate 1012, and the movable plate 1012 exists Cabinet door interlocking, the cabinet door jam plate are realized when cabinet door interlock assembly 101 is in first position in insertion cabinet door jam plate 1011 1011 are fixed in cabinet door, and the movable plate 1012 is set in ground connection operating shaft 51 and drives it reciprocal by ground connection operating shaft 51 Movement, the ground connection interlock assembly 102 include blocking lever 1021 and driving plate 1022, and the blocking lever 1021 has in cabinet Door open after interlocked earthing operating shaft 51 first position and cabinet door closing after by cabinet door by driving plate 1022 driving unlock The second position.The interlocking of switch and cabinet door is grounded by movable plate and the cooperation of cabinet door jam plate, so that product interlocks Reliably, security performance is high.Specifically, the ground connection operating shaft 51 is equipped with gap slot 511, and the blocking lever is in cabinet door It is inserted into after opening in gap slot and is interlocked with ground connection operating shaft realization.The connection of operating shaft is reliably grounded by the movement of blocking lever Lock is grounded switch interlock in the gap slot of blocking lever insertion ground connection operating shaft when cabinet door is opened, and interlocking is reliable, structure letter It is single.
The movable plate is set in mechanism case, and the ground connection operating shaft is connected by earthed crank arm 91 with movable plate And driving movable plate with respect to mechanism case linear reciprocating motion, the movable plate is worn when cabinet door interlock assembly is in first position It cooperates in mechanism case insertion cabinet door jam plate with cabinet door jam plate out and realizes cabinet door interlocking.The shutter 92 passes through movable plate On earthed crank arm.It can be reliably inserted into cabinet door by the horizontal movement of movable plate reliably real when being grounded switch separating brake Existing cabinet door interlocking, interlocking is reliable, and structure is simple.
The driving plate is articulated in mechanism case, and the driving plate is connected by pin shaft with blocking lever, and cabinet door is closed Blocking lever linear motion is driven by the rotation of driving plate when closing, return unit is equipped between the pin shaft and mechanism chamber interior wall, The movement tendency that there is the return unit driving blocking lever 61 to be inserted into gap slot.Such structure is driven by the rotation of driving plate Dynamic blocking lever unlock, structure is simple, reliable in action, is avoided that ground connection operating shaft is interlocked by cabinet door when cabinet door is closed, works as cabinet door When opening, it is able to achieve quick interlocking, structure is simple, and interlocking is reliable, and response is fast.
Specifically, the ground connection operating shaft is equipped with ground connection actuator, the ground connection actuator and interlocking of closing a floodgate Part is connected, and the combined floodgate locking part, which has, avoids breaker closing with the interlocking of breaker actuation axis in earthing switch closure First position and the earthing switch second position that unlocks when opening.Rotation by being grounded actuator drives combined floodgate locking part perpendicular Straight movement, to realize the interlocking and unlock of combined floodgate locking part.Specifically, ground connection actuator is driven by isolation transmission component The movement of combined floodgate locking part.The ground connection actuator is set in ground connection operating shaft and is connected with ground connection operating shaft.Such energy Breaker interlocking is realized in the reliable rotation by ground connection operating shaft, and the combined floodgate breaker when earthing switch is closed is avoided to cause people Member's property loss.
The power failure operation sequence of the utility model are as follows: separate breaker and unlocked at this time so that breaker is in gate-dividing state First interlocking mechanism enables interlocking movable plate to slide with respect to mechanism case, and interlocking movable plate enables operation handle to operate after moving up Disconnecting switch, disjunction disconnecting switch release third interlocking mechanism, and ground connection operating shaft is operated, passes through second at this time Latch mechanism interlocked circuit breaker acts axis, and breaker not can be carried out closing operation, after earthing switch closes a floodgate, so that disconnecting switch is by the Tri-interlocking device and shutter block, and not can be carried out isolator operation, solve locker door interlocking mechanism at this time, and cabinet door can be beaten It opens, after cabinet door is opened in the gap slot of blocking lever insertion ground connection operating shaft, so that ground connection operating shaft is not able to rotate, earthing switch is not It can separating brake.The power transmission operation order of the utility model are as follows: cabinet door is shut, so that blocking lever and ground connection operating shaft unlock, ground connection behaviour Making axis can carry out separating earthing switch, and earthing switch separates rear cabinet door and cannot open, and isolated operation axis can act;Close every Pass is left, ground connection operating shaft, which is interlocked, at this time is not able to rotate, cannot close earthing switch, unlock the second interlocking mechanism at this time;When After the unlock of second interlocking mechanism, axis can be acted by operating breakers such as stored energy mechanism, switch knobs, to control breaker It closes a floodgate, completes power transmission operation, disconnecting switch, which is interlocked, at this time to open.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For limitations of the present invention.In addition, term " first ", " second " are used for description purposes only, and should not be understood as instruction or Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.In addition, in the description of the present invention, unless otherwise indicated, " multiples' " contains Justice is two or more.
Every technical staff's notice: although the utility model is described according to above-mentioned specific embodiment, this The utility model thought of utility model is not limited to that utility model, and any repacking with the utility model thought all will It is included in this patent scope of patent protection.

Claims (10)

1. a kind of combined electrical apparatus, including frame body (1) and mechanism case (2), the frame body (1) is equipped with breaker (3), keeps apart It closes (4), earthing switch (5), the breaker actuation axis (31) for controlling breaker (3) combined floodgate or separating brake, be used for operation isolation Switch the isolated operation axis (41) of (4) open or close, for the ground connection operating shaft of operational grounding switch (5) open or close (51), it is characterised in that: further include the first interlocking mechanism (6), the second interlocking mechanism (7), for so that isolated operation axis (41) With the third interlocking mechanism (8) of ground connection operating shaft (51) reciprocal interlocking, first interlocking mechanism (6) has breaker (3) It is unable to operate when the first state and breaker (3) separating brake of operation isolation operating shaft (41) convenient for isolated operation axis (41) when combined floodgate The second state, second interlocking mechanism (7) have disconnecting switch (4) open when with breaker actuation axis (31) interlock Unlock is so that breaker actuation axis (31) freely moves when the first position for avoiding breaker (3) from closing a floodgate and disconnecting switch (4) are closed The second position of work.
2. a kind of combined electrical apparatus according to claim 1, it is characterised in that the mechanism case (2) is equipped with disconnecting switch Handle hole (21), first interlocking mechanism (6) include interlocking movable plate (61), and the interlocking movable plate (61) is set to mechanism case (2) in, the interlocking movable plate (61), which has the first position for blocking isolator operation hole (21) and opens, exposes isolation behaviour Make the second position that axis (41) are convenient for disconnecting switch operation (4), when breaker (3) is in closing position described in interlocking movable plate (61) it is in first position.
3. a kind of combined electrical apparatus according to claim 2, it is characterised in that the breaker actuation axis (31) passes through biography Movable plate (32) offsets with interlocking movable plate (61), the driver plate (32) press interlocking movable plate (61) when breaker (3) close a floodgate And interlocking movable plate (61) is made to block isolator operation hole (21).
4. a kind of combined electrical apparatus according to claim 1, it is characterised in that second interlocking mechanism (7) includes isolation Actuator (71), isolation transmission component (72) and combined floodgate locking part (73), the isolation drive part (71) pass through isolation transmission Component (72) is connected with combined floodgate locking part (73), the combined floodgate locking part (73) have disconnecting switch (4) open when with Unlock is so that disconnected when the first position and disconnecting switch (4) that breaker actuation axis (31) interlocking avoids breaker (3) from closing a floodgate are closed The second position that road device movement axis (31) freely acts.
5. a kind of combined electrical apparatus according to claim 1, it is characterised in that the third interlocking mechanism (8), which has, to be connect Ground interlocks the first state of isolated operation axis (41) and is unlocked when earthing switch (5) are opened so that isolation when switching (5) closure The second state that operating shaft (41) freely acts, third interlocking mechanism (8) have in the interlocked earthing operation of disconnecting switch (4) closure The first position of axis (51) and when disconnecting switch (4) are opened unlock so that ground connection operating shaft (51) second for freely acting It sets.
6. a kind of combined electrical apparatus according to claim 5, it is characterised in that the third interlocking mechanism (8) includes first Interlock cam (81), the second interlock cam (82) and locating wheel (83), first interlock cam (81), the second interlock cam (82) outer surface offsets with locating wheel (83), and the locating wheel (83) is set on frame body (1) and matches with frame body (1) sliding It closes.
7. a kind of combined electrical apparatus according to claim 6, it is characterised in that first interlock cam (81) is equipped with First gap slot (811) and the first interlocking convex surface (812), second interlock cam (82) are equipped with the second gap slot (821) and the second interlocking convex surface (822), the locating wheel (83) is by the first interlocking convex surface (812) top when disconnecting switch (4) is closed Be pressed into the interior interlocked earthing operating shaft (51) of the second gap slot (821), when earthing switch (5) is closed described in locating wheel (83) by the Two interlockings convex surface (822), which are pressed, interlocks isolated operation axis (41) into the first gap slot (811).
8. a kind of combined electrical apparatus according to claim 5, it is characterised in that it further include the 4th interlocking mechanism (9), it is described There is the first position that isolated operation axis (41) is blocked when earthing switch (5) are closed and unlock to expose for 4th interlocking mechanism (9) The second position that isolated operation axis (41) acts isolated operation axis (41) freely, the third interlocking mechanism (8) are in The 4th interlocking mechanism (9) described in when first state is in first position.
9. a kind of combined electrical apparatus according to claim 1, it is characterised in that it further include cabinet door interlocking mechanism (10), it is described Cabinet door interlocking mechanism (10) includes cabinet door interlock assembly (101) and ground connection interlock assembly (102), the cabinet door interlock assembly (101) there is the first position of interlocking cabinet door when earthing switch (5) are opened and solution locker door makes when earthing switch (5) are closed The second position that cabinet door can be freely rotated is obtained, the ground connection interlock assembly (102) has the interlocked earthing after cabinet door opening First state and the unlock of operating shaft (51) are so that the second state that ground connection operating shaft (51) is freely rotated, the cabinet door interlocking Ground connection interlock assembly (102) described in when component (101) is in the second position is in the second state.
10. a kind of combined electrical apparatus according to claim 9, it is characterised in that the cabinet door interlock assembly (101) includes Cabinet door jam plate (1011) and movable plate (1012), the movable plate (1012) are in first in cabinet door interlock assembly (101) It is inserted into when setting in cabinet door jam plate (1011) and realizes cabinet door interlocking, the cabinet door jam plate (1011) is fixed in cabinet door, described Movable plate (1012) is set on ground connection operating shaft (51) and drives its reciprocating motion, the ground connection connection by ground connection operating shaft (51) Lock set (102) includes blocking lever (1021) and driving plate (1022), and the blocking lever (1021) has after cabinet door opening The first position of interlocked earthing operating shaft (51) and pass through the of driving plate (1022) driving unlock by cabinet door after cabinet door closing Two positions.
CN201920676088.7U 2019-05-13 2019-05-13 A kind of combined electrical apparatus Active CN209730629U (en)

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CN201920676088.7U CN209730629U (en) 2019-05-13 2019-05-13 A kind of combined electrical apparatus

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Application Number Priority Date Filing Date Title
CN201920676088.7U CN209730629U (en) 2019-05-13 2019-05-13 A kind of combined electrical apparatus

Publications (1)

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CN209730629U true CN209730629U (en) 2019-12-03

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CN (1) CN209730629U (en)

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