CN102800505A - Electric operation mechanism of switch - Google Patents
Electric operation mechanism of switch Download PDFInfo
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- CN102800505A CN102800505A CN2012102876711A CN201210287671A CN102800505A CN 102800505 A CN102800505 A CN 102800505A CN 2012102876711 A CN2012102876711 A CN 2012102876711A CN 201210287671 A CN201210287671 A CN 201210287671A CN 102800505 A CN102800505 A CN 102800505A
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Abstract
The invention relates to an electric operation mechanism of a switch, which is used for remote control and local manual control of a circuit breaker or other bridging switches. A base of the electric operation mechanism is arranged on a panel of a switch. A speed reducer comprises a speed reducer case body, a speed reducing gear set and an output shaft. A driving device comprises a shifting fork with prongs, a rotary shaft of a manual operation handle is inserted from a socket in a control panel to be connected with a steering gear, and the steering gear is engaged with the speed reducing gear set. A first microswitch and a second microswitch are arranged on both sides of a through hole, and the microswitches are touched by the shifting fork to stop powering a motor. The speed reducer case body is vertically arranged on one side of the base, and the speed reducing gear set and the steering gear are positioned in the speed reducer case body. The motor is vertically arranged on the first side surface of the speed reducer case body, an output shaft of the motor extends into the speed reducer case body from the first side surface, and an output shaft of the speed reducer extends out of the first side surface to drive the shifting fork to rotate. The electric operation mechanism has the advantages of compact structure, high space utilization rate, safety, reliability, no vibration or noise and low manufacturing cost.
Description
Technical field
The present invention relates to a kind of motor-operating mechanism of switch, carry out motor-operating mechanism closed, disjunction, the motor-operating mechanism on particularly a kind of stacked panel that is installed in switch especially for operation breaker of plastic casing or separating switch.
Background technology
Closure, the breaking operation of existing breaker of plastic casing, separating switch are normally manually controlled, and need personnel to arrive the on-site manual operation.When wide, the relative geographical position of breaker of plastic casing distribution was far away, perhaps breaker of plastic casing, separating switch were under dangerous situation or other occasions that is not easy to operate, and need the closure/disjunction of Long-distance Control circuit breaker, separating switch.Along with intelligent grid with from the electricity consumption of safety, energy-saving and environmental protection, the scientific development of distribution management, more and more wider for the application of the automatic control of the closure/disjunction of breaker of plastic casing, separating switch.Yet; No matter be Long-distance Control or control automatically; All need breaker of plastic casing, separating switch configuration motor-operating mechanism, motor-operating mechanism can automatically perform the closure/breaking operation to breaker of plastic casing, separating switch according to Long-distance Control or automatic control signal.At present; The product of existing similar motor-operating mechanism comes out both at home and abroad; Like international corporations such as Schneider, ABB; Domestic corporation such as Suzhou Weilai Electrical Appliances Co., Ltd, Wuxi triumphant return Electric Machine Co., Ltd all produce the product of motor-operating mechanism, but the product of these prior aries exist below common defective: mechanism is complicated, parts are more, assembling process is loaded down with trivial details, production efficiency is low; Because mechanism is complicated, parts are many, cause that the product failure rate is high, quality stability is relatively poor, the life-span is short; Problems such as in-house arrangements of elements is unreasonable, causes small product size big, and space availability ratio is low, the product safety reliability is low, noise is high, vibration is big.Simultaneously, all uneconomical, inapplicable to individual, society because production cost height, serious waste of resources etc., also bring inconvenience to management such as the production of enterprise, storages, do not meet country and social requirement.
Divide from mounting means, motor-operating mechanism can be divided into two types: one type is installing type motor-operating mechanism side by side, and it is installed in the both sides of circuit breaker side by side, is used for the miniature circuit breaker of modularization more; Another kind of is stacked installing type motor-operating mechanism, and it is stacked to be installed in the moulding on the shell of circuit breaker, is widely used in breaker of plastic casing and other separating switch, and motor-operating mechanism of the present invention just belongs to that this is a kind of.Because mounting means and instructions for use is different; Stacked installing type motor-operating mechanism is different fully with the structure of installing type motor-operating mechanism side by side; In design, also there is very big difference; As: the design of installing type motor-operating mechanism subject matter to be solved is to satisfy modularization and miniaturization requirement side by side; And the design of stacked installing type motor-operating mechanism subject matter to be solved except miniaturization requires, also will satisfy operating physical force and the requirement of service speed of the closure/disjunction of breaker of plastic casing.The stacked installing type motor-operating mechanism of prior art such as application number are 201010283479.6 patent of invention, need to adopt complicated energy storage to release the ability device, could satisfy the operating physical force of breaker of plastic casing and the requirement of service speed.In the motor-operating mechanism of prior art, the needs that have adopt servomotor or stepping motor as control actuating component, and its defective is: the cost of servomotor or stepping motor is expensive, need the complicated control circuit of configuration; The action of unidirectional control servomotor of control circuit or stepping motor, and want the closure/disjunction state of real-time monitoring breaker also need increase transducer and observation circuit, institute is so that the structure of machine and electric two aspects complicacy very all.
Summary of the invention
The objective of the invention is to overcome the above-mentioned defective of prior art; Thereby the invention provides a kind of stacked motor-operating mechanism that is installed on the switch realizes being controlled by the manipulation of master cock through motor-operating mechanism; From being stretched out by the panel 101 of console switch, motor-operating mechanism comprises support 1, motor 2, decelerator 3, drive unit 4, control device 5, has the control panel 7 of manual operation handle 6 by the handle 102 of console switch 100; The support 1 of motor-operating mechanism is installed on the panel 101 of breaker of plastic casing or separating switch 100, and said support 1 is provided with the through hole 13 that an operating grip that supplies console switch passes through; Said decelerator 3 comprises the output shaft 32 of reduction case 31, train of reduction gears 33 and decelerator; Described drive unit 4 comprises the shift fork 41 that pivots and be provided with; Shift fork 41 receives the output shaft 32 of decelerator to drive and rotate; Shift fork 41 is provided with prong 411, and shift fork 41 moves and carries out by the closure of console switch 100 or breaking operation through the handle 102 that prong 411 promotes console switch 100; Described manual operation handle 6 is rotary handle, and the rotating shaft 62 of manual operation handle 6 inserts in the motor-operating mechanism from the socket 73 on the control panel 7, and said rotating shaft 62 is connected with tooth sector 63, said tooth sector 63 and train of reduction gears 33 engagements.
Described control device 5 comprises the first sensitive switch K1, the second sensitive switch K2, and the first sensitive switch K1, the second sensitive switch K2 lay respectively at the both sides of through hole 13; The first sensitive switch K1 receives from being motor 1 power supply after the long-range disjunction control signal; When shift fork will be dialed into a side of through hole 13 by the handle 102 of console switch 100; The prong 411 of shift fork 41 will be touched the first sensitive switch K1 and cause the first sensitive switch K1 to stop to be motor 1 power supply; Motor stall this moment, shift fork 41 loses the actuating force stop motion; Second sensitive switch receives from being motor 1 power supply after the long-range closed control signal; When shift fork will be dialed into the opposite side of through hole 13 by the handle 102 of console switch 100; The prong 411 touchings second sensitive switch K2 of shift fork 41 causes the second sensitive switch K2 to stop to be motor 1 power supply; Motor stall this moment, shift fork 41 loses the actuating force stop motion.
Said reduction case 31 vertical sides that are installed in support 1, train of reduction gears 33 and tooth sector 63 are positioned at the casing of reduction case 31; Motor 1 is vertically mounted on the outer facade of reduction case 31 first sides 8; The output shaft of motor 1 stretches into from first side 8 in the reduction case 31 and is connected with train of reduction gears 33, and the output shaft 32 of decelerator stretches out reduction case 31 and drives 41 rotations of the external shift fork of reduction-gear housing from first side 8.
Above-mentioned this arrangement compact conformation, space availability ratio are high, volume is little, more safe and reliable, the low cost of manufacture of performance.Stacked closure and the disjunction (motoring condition) that is installed in device for switching such as the remote controlled circuit breaker of motor-operating mechanism on the switch, separating switch of the present invention; Also can be switchgears such as circuit breaker, separating switch be carried out the operation (manual state) of manual closing, disjunction, all do not influence defencive functions such as relevant overload that these facility of switch have, short circuit in this locality.
Its course of work is following: under motoring condition; Long-range disjunction control signal is through the power supply of sensitive switch K1, sensitive switch K2 starter motor 2; Motor 2 output shaft 32 shift forks 41 through decelerator after train of reduction gears 33 is slowed down rotate, and shift fork 41 moves and carries out by the closure of console switch 100 or breaking operation through prong 411 driving handles 102; Under manual state; Manual operation handle 6 is through 33 rotations of tooth sector 63 rotating drive reduction gearing; Train of reduction gears 33 is rotated through output shaft 32 shift forks 41 of decelerator, and shift fork 41 moves and carries out by the closure of console switch 100 or breaking operation through prong 411 driving handles 102.
As preferred scheme; The output shaft 32 of decelerator is that shift fork 41 rotates in the following manner: said drive unit 4 also comprises runner 42; Shift fork 41 is provided with chute 412; Runner 42 is installed on the output shaft 32 of decelerator 3 and rotates with the output shaft 32 of decelerator 3, and runner 42 is provided with protruding axle 421, and protruding axle 421 departs from the center of rotation of runner 42 and is in transmission connection with chute 412.
In this Drive Structure; Shift fork 41 can be fixed on the outer facade of reduction case 31 first sides through independent rotating shaft; A kind of preferred shift fork fixed solution is provided below: said drive unit 4 also comprises bracing frame 11, pivot 12; Shift fork 41 is around rotating to pivot 12; One end of pivot 12 is fixed on the bracing frame 11, and the other end of pivot 12 is fixed on the outer facade of reduction case 31 first sides, and bracing frame 11 is fixedly connected with support 1 respectively with reduction case 31 and connects.
Above-mentioned shift fork Drive Structure and shift fork fixed solution properties of product are safer reliable, can realize noiseless and friction.
Further; In order to forbid local manual function when the Long-distance Control; Forbid remote control function when perhaps manually controlling in this locality; Preferably realize through following structure: said control device 5 also comprises the 3rd sensitive switch K3 and function switching moving member 51, and said function is switched moving member 51 can move conversion at least between following two positions: electronic service position, manual work position.Said sensitive switch K3 is fixed on the outer facade of reduction case 31 first sides; Be connected to an end of the 3rd sensitive switch K3 contact with an end of the end of the first sensitive switch K1 contact and the second sensitive switch K2 contact and after connecing; The 3rd sensitive switch K3 contact other end is connected with the power input of motor 2, and the other end of the other end of the first sensitive switch K1 contact, the second sensitive switch K2 contact is connected with separately remote control signals respectively.Said function is switched moving member 51 and is installed in movably on the end face of reduction case 31, and said function is switched moving member 51 and is provided with the switch bar 511 that protrudes in control panel 7, one and runs through the lock hole 513 that function is switched moving member.
If desired through remote control signal control and forbid local manual operation; Then said function switching moving member 51 is moved to electronic service position through artificially manually stirring switch bar 511; Switch moving member 51 and touch the 3rd sensitive switch K3 and make the 3rd sensitive switch K3 keep connecting, the socket 73 on lock hole 513 and the control panel 7 staggers and forbids that the rotating shaft 62 of manual operation handle 6 is inserted through from lock hole 513.
If desired through local manual operation and forbid remote control signal control; Then said function switching moving member 51 is moved to the manual work position through manually stirring switch bar 511; Manually stir switch bar 511 and separate with the 3rd sensitive switch K3 and the 3rd sensitive switch K3 keep to be broken off, lock hole 513 is facing to the socket 73 on the control panel 7 and allow the rotating shaft 62 of manual operation handle 6 to be inserted through from lock hole 513.
Further, in order to forbid Long-distance Control and local manual operation simultaneously, said function is switched moving member 51 can move conversion at least between following three positions: electronic service position, manual work position and locking service position.At this moment; Described control device 5 also comprises the back-moving spring of the padlock spare 52 that has the padlock hole, the latch hook 53 that catches on padlock spare and latch hook 53; On the control panel 7 of motor-operating mechanism, be reserved with padlock spare and stretch out hole 74, the said switch bar 511 of manually stirring has a locking service position.When function switching moving member 51 was positioned at electronic service position, manual work position, latch hook 53 catches on padlock spare 52 can not reach outside the control panel 7 padlock spare 52.Function is switched moving member 51 and is moved to when locking the service position, and function switching moving member 51 backs down latch hook 53 from padlock spare 52, is in after 52 releases of padlock spare to can move freely also to reach the state outside the control panel 7; And function switching moving member 51 separates with the 3rd sensitive switch K3 and makes the 3rd sensitive switch K3 keep breaking off, and the socket 73 on lock hole 513 and the control panel 7 staggers and forbids that the rotating shaft 62 of manual operation handle 6 is inserted through from lock hole 513.When function switching moving member 51 left the locking service position, latch hook 53 resetted under the effect of its back-moving spring and catches on padlock spare 52.When function switching moving member 51 is in the locking service position, all can not pass through motor-operating mechanism or manual-operating mechanism, realize locking to mechanism.
Further, strengthening in order to make above-mentioned lock function, function is switched moving member 51 and is also comprised a sticking department 512; When function switching moving member 51 was positioned at electronic service position, manual work position, the sticking department 512 of function switching moving member 51 was uncorrelated with drive unit 4; Function is switched moving member 51 and is positioned at when locking the service position; Sticking department 512 hinders the shift fork 41 of drive unit 4 or the rotation of runner 42; Function switching moving member 51 separates with the 3rd sensitive switch K3 and makes the 3rd sensitive switch K3 keep breaking off, and the socket 73 on lock hole 513 and the control panel 7 staggers and forbids that the rotating shaft 62 of manual operation handle 6 is inserted through from lock hole 513.
Further; In order to make in the extraneous understanding shift fork structure by the handle position of console switch; On drive unit 4, also be provided with the state show tags; The state show tags is positioned at the end away from prong 411 on shift fork, in that to be provided with display window 71 on the control panel 7 corresponding with state show tags on the shift fork.When handle was in diverse location, display window 71 was corresponding to the different conditions show tags, thus the user can through display window see current shown in mark know the residing position of handle.
As preferred scheme, described manual operation handle 6 is dismountable plug-in handle, and described control panel 7 is provided with handle storage tank 72 and deposits the manual operation handle 6 that is removed.The design that the present invention signs drive unit, control device, decelerator all is adapted to detachable plug-in handle; Therefore manual operation handle 6 can be removed and be placed in the cell body; The structure that makes motor-operating mechanism is compact more, volume is littler, has further improved space availability ratio.
As preferred scheme, all or part of parts of described manual operation handle 6 are iron-bearing materials, on the cell wall of the handle storage tank 72 of control panel 7, are provided with permanent magnet.Further, the rotating shaft 62 of described manual operation handle 6 is an iron-bearing materials, in the handle storage tank 72 of control panel 7, is provided with a rotating shaft and deposits hole 721, the hole wall that said rotating shaft is deposited the hole is provided with permanent magnet.Handle is placed to the storage tank of control panel or the stability deposited in the hole can be better like this, is difficult for dropping out.The object of the invention provides a kind of motor-operating mechanism that is used for switch; The motor-operating mechanism of divide-shut brake such as breaker of plastic casing, separating switch particularly, through its element rationally lay the firm relatively space of formation, the space can hold single (many) arms, reduction box; Form a kind of standard module; Especially be convenient to management such as production, storage, and noise is small, not needing very, complicated mechanical processing just can have enough mechanical strengths and stability; Can the cost of striving property create to have unexpectedly, have the very high ratio of performance to price.
Description of drawings
Fig. 1 is the stereoscopic sketch map of embodiment of the motor-operating mechanism of switch of the present invention, and the support 1 that motor-operating mechanism has been shown among the figure is fixedly mounted on by on the panel 101 of console switch 100 (breaker of plastic casing or other separating switch).
Fig. 2 is the internal structure sketch map of embodiment of the motor-operating mechanism of switch of the present invention, and prong 411 and the structure that is in transmission connection by the handle 102 of console switch 100 on the shift fork 41 of overall structure, motor-operating mechanism of motor-operating mechanism have been shown among the figure.
Fig. 3 is the stereoscopic sketch map of embodiment of the motor-operating mechanism of breaker of plastic casing of the present invention and other separating switch; Motor-operating mechanism shown in the figure (promptly electronic) operating state that has the initiative; Manual operation handle 6 is placed in the handle storage tank 72 of control panel 7, and padlock spare 52 can not be extracted.
Fig. 4 is the stereoscopic sketch map of embodiment of the motor-operating mechanism of breaker of plastic casing of the present invention and other separating switch; Motor-operating mechanism shown in the figure is in the manual work state; Manual operation handle 6 takes out in handle storage tank 72; And the rotating shaft 62 of manual operation handle 6 is inserted in the control panel 7 from the socket 73 on the control panel 7, and padlock spare 52 can not be extracted.
Fig. 5 is the stereoscopic sketch map of embodiment of the motor-operating mechanism of breaker of plastic casing of the present invention and other separating switch; Motor-operating mechanism shown in the figure is in the locking operating state; Manual operation handle 6 socket 73 from the control panel 7 is extracted and is placed in the handle storage tank 72 of control panel 7; Padlock spare 52 has been extracted, and has revealed outside the control panel 7 in padlock hole 521.
Fig. 6 is the internal structure sketch map of the embodiment of motor-operating mechanism of the present invention.
Fig. 7 is the partial structurtes sketch map of the embodiment of motor-operating mechanism of the present invention.
Fig. 8 and Fig. 9 are the partial structurtes sketch mapes of the embodiment of motor-operating mechanism.
Figure 10 is the schematic perspective view of 41 1 preferred versions of shift fork of the embodiment of motor-operating mechanism.
Figure 11 is the internal structure sketch map of decelerator of the embodiment of motor-operating mechanism.
Embodiment
Specify execution mode of the present invention below in conjunction with accompanying drawing, the motor-operating mechanism of switch of the present invention is not limited to the description of following examples.
Referring to Fig. 1 to Figure 11; The motor-operating mechanism of breaker of plastic casing of the present invention and other separating switch; Comprise that one can be fixedly mounted on by the support 1 on the panel 101 of console switch 100, and motor 2, decelerator 3, drive unit 4, control device 5, manual operation handle 6, control panel 7.Be well known that; The mounting means of motor-operating mechanism can influence purposes, function and the organization plan of motor-operating mechanism product; Motor-operating mechanism of the present invention has adopted support 1 and the mounting means that is fixedly connected by the panel 101 of console switch 100, so it is a kind of stacked installing type motor-operating mechanism.Shown in Figure 7, on said support 1, be provided with the through hole 13 that an operating grip that supplies console switch passes through.
Can adopt general gear reduction unit like Fig. 2, Fig. 6 to Fig. 9, the described decelerator 3 of Figure 11; Decelerator 3 comprises a power shaft 21 and output shaft 32, reduction case 31, train of reduction gears 33; Motor 2 is connected with the power shaft of decelerator 3 through its machine shaft 21, and the output shaft 32 of decelerator 3 is connected with drive unit 4.Said reduction case 31 vertical sides that are installed in support 1, train of reduction gears 33, tooth sector 63 are positioned at the casing of reduction case 31; Motor 1 is vertically mounted on the outer facade of reduction case 31 first sides 8; The output shaft of motor 1 stretches into from first side 8 in the reduction case 31 and is connected with train of reduction gears 33, and the output shaft 32 of decelerator stretches out reduction case 31 and drives 41 rotations of the external shift fork of reduction-gear housing from first side 8.
Said drive unit can be a shift fork, and shift fork is directly installed on the output shaft 32 of decelerator, and rotates with the rotation of the output shaft 32 of decelerator.
Another of drive unit be execution mode such as Fig. 8, shown in figure 10 more preferably, and described drive unit 4 comprises can pivot movable a shift fork 41 and runner 42, and runner 42 is fixedly mounted on the output shaft 32 of decelerator 3.Described shift fork 41 is provided with prong 411 and chute 412, prong 411 be in transmission connection by the handle 102 of console switch 100.Described runner 42 is provided with protruding axle 421, and protruding axle 421 departs from the center of rotation of runner 42 and is in transmission connection with chute 412.What is called is in transmission connection, and is meant the connection of ability transmission, specifically, is in transmission connection through this exactly, can move for the Motion Transmission of also driving handle 102 actions of handle 102, protruding axle 421 to chute 412 and shift fork 41 Motion Transmission of prong 411.Structure and annexation by above-mentioned motor 2, decelerator 3 and drive unit 4 can get; Under motoring condition; Realize that electrically operated driving-chain is: motor 2 drives runner 42 through decelerator 3 and rotates; Runner 42 rotates through protruding axle 421 and chute 412 shift forks 41, and shift fork 41 moves and carries out by the closure/breaking operation of console switch 100 through prong 411 driving handles 101.
The preferred embodiment of shift fork pivot mounting means is as shown in Figure 6; Described drive unit 4 also comprises bracing frame 11; Shift fork 41 is through on the axis hole 413 suit pivots 12 on it; One end of pivot 12 is fixed on the bracing frame 11, and the other end of pivot 12 is fixed on the casing 31 of decelerator 3, and bracing frame 11 is fixedly connected with support 1 respectively with casing 31 and connects.Shift fork 41 supporting constructions shown in the accompanying drawing 6 are the two point supporting construction, and this is preferred scheme, and its advantage is that supporting construction is stable, good reliability.Alternative other scheme of two point supporting construction is a cantilevered support structure, and its advantage is simple in structure, but stability of strutting system is relatively poor.
Said cantilevered support structure can adopt following two kinds of forms:
A kind of cantilevered support structure as shown in Figure 8 comprises bracing frame 11, pivot 12 and is formed on the axis hole 413 on the shift fork 41, and on the axis hole 413 suit pivots 12, pivot 12 is fixed on the bracing frame 11, and bracing frame 11 is fixedly connected with support 1 and connects.
Another kind of cantilevered support structure comprises casing 31, the pivot 12 of decelerator 3 and is formed on the axis hole 413 on the shift fork 41, and on the axis hole 413 suit pivots 12, pivot 12 is fixed on the casing 31 of decelerator 3, and casing 31 is fixedly connected with support 1 and connects.
Described manual operation handle 6 comprises rotating shaft 62.The rotating shaft 62 of manual operation handle is inserted in the control panel 7 from the socket 73 on the control panel 7, the manual operation handle that preferably adopts plug type to connect.Like Fig. 8, shown in Figure 9; The rotating shaft 62 of manual operation handle is connected with a gear in the train of reduction gears 33 through tooth sector 63; Tooth sector is a bevel gear 63 for example, and the vertical pivot of this tooth sector 63 is perpendicular to the output shaft 32 of decelerator 3, also perpendicular to support 1; Vertical pivot one end is provided with the structure (not shown) that is connected with rotating shaft 62 plug types of manual operation handle 6, as adopts polygonal axis hole commonly used to join the structure of polygonal spindle nose.
At least should be by constituting with the lower part about control device of the present invention: described control device 5 comprises the first sensitive switch K1, the second sensitive switch K2.The first sensitive switch K1, the second sensitive switch K2 lay respectively on the support 1 and are positioned at the both sides of through hole 13; Make the first sensitive switch K1 can when being in closure state, receive the shake-up of shift fork 41, make the second sensitive switch K2 can when being in the disjunction state, can receive the shake-up of shift fork 41 by console switch by console switch.Preferably, the first sensitive switch K1, the second sensitive switch K2 are the normally closed switch of band from reset function.When shift fork 41 did not touch the first sensitive switch K1 or the second sensitive switch K2, the contact of the first sensitive switch K1 or the second sensitive switch K2 was in on-state; When the first sensitive switch K1 or the second sensitive switch K2 received the shake-up of shift fork 41, the contact of the first sensitive switch K1 or the second sensitive switch K2 converted off-state into by connection.The end of the first sensitive switch K1, the second sensitive switch K1 all is connected with the power input of motor; The other end of the other end of the first sensitive switch K1 and the second sensitive switch K2 is connected with remote control signals respectively; It is motor 1 power supply that the first sensitive switch K1 receives from long-range disjunction control signal, and second sensitive switch receives from being motor 1 power supply after the long-range closed control signal.
Adopt the electrically operated operation principle of motor-operating mechanism of above-mentioned three sensitive switches following: being under the disjunction state by console switch 100; Apply voltage for the first normally closed sensitive switch K1 through remote control signals; Make motor 2 get electric and rotation and shift fork 41 driving handles 102 execution closed procedures; When handle 102 arrived make positions, shift fork 41 touched the first sensitive switch K1 and makes the first sensitive switch K1 convert disconnection, motor 2 dead electricity into by connection and stop, being stabilized in closure state by console switch 100; Be under the closure state by console switch 100; Apply voltage for the second normally closed sensitive switch K2 through remote control signals; Make motor 2 get electric and rotation and shift fork 41 driving handles 102 execution closed procedures; When handle 102 arrived the disjunction positions, shift fork 41 touched the second sensitive switch K2 and makes the second sensitive switch K2 convert disconnection, motor 2 dead electricity into by connection and stop, being stabilized in the disjunction state by console switch 100.In this embodiment, the present invention can accomplish following two functions: function 1: switches such as Long-distance Control circuit breaker, separating switch carry out reliable closure and disjunction; Function 2: switches such as local manually control circuit breaker, separating switch carry out closure and disjunction.
As preferred scheme; The 3rd sensitive switch K3, function switching moving member 51 have further been increased in the present invention; Make motor-operating mechanism on the basis of realizing function 1, function 2; Also can realize two other function, promptly function 3: when switch is implemented Long-distance Control (electronic control), make the user can't carry out manually control of this locality (promptly forbidding local manually control); Function 4: when switch is implemented the manual control in this locality, make the user can't carry out Long-distance Control (promptly forbid Long-distance Control, or forbid electronic control).In this embodiment, described control device 5 comprises the first sensitive switch K1, the second sensitive switch K2, the 3rd sensitive switch K3 and function switching moving member 51.The first sensitive switch K1, the second sensitive switch K2 lay respectively on the support 1 and are positioned at the both sides of through hole 13; Make the first sensitive switch K1 can when being in closure state, receive the shake-up of shift fork 41, make the second sensitive switch K2 can when being in the disjunction state, can receive the shake-up of shift fork 41 by console switch by console switch.Said function is switched moving member 51 and is installed in movably on the end face of reduction case 31, and a chute for example is set on the end face of reduction case 31, and function is switched moving member 51 and in chute, slided.Certainly function switching moving member 51 can be to be rotatably installed on the end face of reduction case 31.Said the 3rd sensitive switch K3 is fixed on the outer facade of reduction case 31 first sides, makes function switch moving member 51 function switching moving member 51 when moving to electronic service position and can touch the 3rd sensitive switch K3.As shown in Figure 7, the 3rd sensitive switch K3 cooperates with touch part 510 shake-up that function is switched moving member 51.Preferably, the first sensitive switch K1, the second sensitive switch K2, the 3rd sensitive switch K3 are the normally closed switch of band from reset function.When shift fork 41 did not touch the first sensitive switch K1 or the second sensitive switch K2, the contact of the first sensitive switch K1 or the second sensitive switch K2 was in on-state; When the first sensitive switch K1 or the second sensitive switch K2 received the shake-up of shift fork 41, the contact of the first sensitive switch K1 or the second sensitive switch K2 converted off-state into by connection.In like manner, when not touching the 3rd sensitive switch K3 in the touch part 510 of function switching moving member 51, the contact of the 3rd sensitive switch K3 is in on-state; When the 3rd sensitive switch K3 received the shake-up of function switching moving member 51, the contact of the 3rd sensitive switch K3 converted off-state into by connection.The so-called shake-up is meant that the moving contact of sensitive switch is controlled the contact promotion of part (like shift fork 41, switching moving member 51) and closure/disjunction state exchange takes place.The end of the 3rd sensitive switch K3 is connected with the power input of motor 2; The other end of the 3rd sensitive switch K3 is connected with the end of the first sensitive switch K1, the end of the second sensitive switch K2 respectively, also just says an end that is connected to the 3rd sensitive switch K3 contact with an end of the end of the first sensitive switch K1 contact and the second sensitive switch K2 contact and after connecing.The other end of the other end of the first sensitive switch K1 and the second sensitive switch K2 is connected with remote control signals respectively; It is motor 1 power supply through the 3rd sensitive switch K3 that the first sensitive switch K1 receives from long-range disjunction control signal, and second sensitive switch receives from long-range closed control signal after the 3rd sensitive switch K3 is motor 1 power supply.Three sensitive switches (K1, K2, K3) that embodiment provides are the normally closed switch of band auto-reset function, and this is a preferred version, and certain available normal open switch substitutes.
Described function is switched moving member 51 and is provided with switch bar 511 and lock hole 513; Said function is switched moving member 51 and is installed in movably on the end face of reduction case 31; The switch bar 511 that supplies staff to stir protrudes in outside the control panel 7, and the lock hole 513 that function is switched moving member 51 runs through function switching moving member.The function of said motor-operating mechanism is switched moving member 51 can be moved to following two positions at least: electronic service position, manual work position.As shown in Figure 3; Be under the electronic operating state in switch bar 511 (be switch bar 511 by the people for toggling it to electronic service position); Function is switched moving member 51 shake-up the 3rd sensitive switch K3 and is made the 3rd sensitive switch K3 keep connecting, and the socket 73 on lock hole 513 and the control panel 7 staggers and forbids that the rotating shaft 62 of manual operation handle 6 is inserted through from lock hole 513.If adopted detachable handle, then in this service position, manual operation handle 6 can be removed 72 li of handle storage tanks that are placed on control panel, thereby makes structure compact, small and exquisite more.As shown in Figure 4; Be under the manual work state in switch bar 511 (be switch bar 511 by the people for toggling it to the manual work position); Function switching moving member 51 separates with the 3rd sensitive switch K3 and makes the 3rd sensitive switch K3 keep breaking off; Thereby isolated remote control signal, forbidden electronic control, lock hole 513 faces toward the socket 73 on the control panel 7 and allows Handheld Division 61 to be inserted through from lock hole 513 at this moment.
Be the basis with last execution mode; Further; The present invention also provides a kind of preferred execution mode; This execution mode has also increased function 5 in function 1 to the basis of function 4: motor-operating mechanism is implemented to lock, forbid Long-distance Control and local these two kinds of controls of manually control simultaneously, further improve the safety of products grade.In the present embodiment, the function of said motor-operating mechanism switching moving member 51 can be moved to following three positions at least: electronic service position, manual work position and locking service position.On the basis of last execution mode, described control device 5 also comprises the back-moving spring of the padlock spare 52 that has the padlock hole, the latch hook 53 that catches on padlock spare and latch hook 53, and is shown in figure 11.On the control panel 7 of motor-operating mechanism, be reserved with padlock spare and stretch out hole 74.
In this embodiment; Like Fig. 3, shown in Figure 4; When function switching moving member 51 was positioned at electronic service position, manual work position, latch hook 53 catches on padlock spare 52 can not reach outside the control panel 7 padlock spare 52, and other structures and function are all identical with last embodiment.As shown in Figure 5, function is switched moving member 51 and is moved to when locking the service position, and function switching moving member 51 backs down latch hook 53 from padlock spare 52, is in after 52 releases of padlock spare to can move freely also to reach the state outside the control panel 7.The function of this moment is switched moving member 51 and has been left the 3rd sensitive switch K3; Therefore also function switching moving member 51 can not touched the 3rd sensitive switch K3; Remote control function is under an embargo; Lock hole 513 and socket 73 on the control panel 7 rotating shaft 62 that causes manual operation handle 6 that also staggered can't be inserted through from lock hole 513, and manual operation function also is under an embargo.When function switching moving member 51 left the locking service position, latch hook 53 resetted under the effect of its back-moving spring and catches on padlock spare 52, and padlock spare 52 can not artificially manually be pulled out to outside the control panel 7.The function of this structure is: in the locking service position, after artificially padlock spare 52 being pulled out, the padlock mouth is exposed to outside the control panel 7, and can forbid carrying out Long-distance Control and people through manual padlock is manual operation.
At this motor-operating mechanism of implementing the motor-operating mechanism of described switch, particularly circuit breaker or separating switch, have following functional characteristics:
1. the reliable closure/disjunction of remote controlled switch; The Long-distance Control mode is for replacing the adapt voltages to two remote control signals loading motors 2 that are connected with the first sensitive switch K1, the second sensitive switch K2 respectively; Wherein the remote control signals on-load voltage to the first sensitive switch K1 is a closed procedure; And be breaking operation to the remote control signals on-load voltage of the second sensitive switch K2; Closure/breaking operation is accomplished rear motor 2 and is stopped automatically, need not after closure/breaking operation is accomplished, again motor to be implemented to stop control;
2. can carry out manual closing/opening operation to circuit breaker or separating switch in this locality, mode of operation drives the closure/disjunction of circuit breaker or separating switch for the manual operation handle 6 that carries at random;
3. can implement locking to circuit breaker or separating switch in this locality; Under lock-out state; Forbid electric operating and manual operation; Its principle is to be under the locking operating state (being that switch bar 511 residing position correspondences are local lock-out state by the operating state of console switch 100) in switch bar 511; Touch part 510 is separated with the 3rd sensitive switch K3 and is made the 3rd sensitive switch K3 keep breaking off, and the socket 73 on lock hole 513 and the control panel 7 staggers and forbids in the Handheld Division 61 insertion control panels 7 of manual operation handle 6 simultaneously, thereby has forbidden the power and the input of manually operated power of motor 2;
4. no matter be electric operating or manual operation; All do not influence the relevant defencive function (like overload, short-circuit protection etc.) that circuit breaker or these facility of separating switch have; Its principle is because the power that the prong of shift fork 41 411 driving handles 102 are carried out closure/disjunction is motor 2 or staff; And be under the closure state at circuit breaker or separating switch, the power of motor 2 or staff all removes, and the parts of all harmless handle 102 tripping operations of being in the way on electrically operated driving-chain and the manually operated driving-chain;
5. when to circuit breaker or separating switch enforcement Long-distance Control; Forbid manual operation; Its principle is to be in (being that switch bar 511 residing position correspondences are the Long-distance Control state by the operating state of console switch 100) under the electronic operating state in switch bar 511; Socket 73 on lock hole 513 and the control panel 7 staggers and forbids that the rotating shaft 62 of manual operation handle 6 inserts in the control panels 7, thereby has forbidden manually operated power input;
6. when to circuit breaker or separating switch enforcement manual operation; Forbid electric operating; Its principle is to be in (being that switch bar 511 residing position correspondences are manual operation state by the operating state of console switch 100) under the manual work state in switch bar 511; Touch part 510 is separated with the 3rd sensitive switch K3 and is made the 3rd sensitive switch K3 keep breaking off, thereby the voltage that has cut off motor 2 loads, and has forbidden that the power of motor 2 is defeated;
7. can select electronic operating state or the manual work state or the locking operating state of motor-operating mechanism in this locality, selection operation only need easily be pulled switch bar 511.
In order further to improve the safety of products grade; Increasing following structure on the basis of last embodiment: be provided with sticking department 512 on the described function switching moving member 51; Be in (being that switch bar 511 residing position correspondences are motoring condition by the operating state of console switch 100) under the electronic operating state in switch bar 511, sticking department 512 is uncorrelated with drive unit 4; Be in (being that switch bar 511 residing position correspondences are manual state by the operating state of console switch 100) under the manual work state in switch bar 511, sticking department 512 is uncorrelated with drive unit 4; Switch bar 511 is under the locking operating state (being that switch bar 511 residing position correspondences are lock-out state by the operating state of console switch 100), and the sticking department 512 that function is switched on the moving member 51 hinders the shift fork 41 of drive unit 4 or the rotation of runner 42.
In order to further expand the function of use of product; The motor-operating mechanism of breaker of plastic casing of the present invention and other separating switch also optionally increases status display function; Show breaker of plastic casing or other separating switch current working state in real time from this locality; For example: the state show tags of closed operating state is made as " ON ", the state show tags of disjunction operating state is made as " OFF ".State show tags 414 is positioned at the end away from prong 411 on shift fork, in that to be provided with display window 71 on the control panel 7 corresponding with state show tags on the shift fork.When shift fork 41 driving handles 101 arrive by the make position of console switch 100, before the state show tags of " ON " moves to display window 71; When shift fork 41 driving handles 101 arrived by the disjunction position of console switch 100, the state show tags of " OFF " moved in the display window 71.Certainly, color such as redness, green or other characters, figure all can use as the state show tags.
Arrive shown in Figure 5 like Fig. 1, Fig. 3; The rotating shaft 62 of manual operation handle 6 of the present invention from the socket 73 on the control panel 7 be inserted in the control panel 7 and with transmission connecting mechanism plug type ways of connecting; Make manual operation handle 6 separate with motor-operating mechanism under the operating state with locking in electronic operating state, its advantage be ingeniously simplified bindiny mechanism between electric operating driving-chain and the manual operation driving-chain, need not to adopt the bindiny mechanism of complicacies such as clutch, make simultaneously between driving member and the driving member in the manual operation driving-chain in the electric operating driving-chain do not disturb mutually, tripping operation that the driving member in the electric operating driving-chain and the driving member in the manual operation driving-chain all might as well be in the way handle 102 moves.For the ease of the access of manual operation handle 6, on control panel 7, be provided with handle storage tank 72, at ordinary times, manual operation handle 6 is installed in the handle storage tank 72, can conveniently it be taken out in handle storage tank 72 during with manual operation handle 6 at needs.
As preferred version; The motor-operating mechanism of switch according to claim 8; The all or part of parts of described manual operation handle 6 are iron-bearing materials, and Handheld Division 61 ironys of manual operation handle for example are provided with permanent magnet on the cell wall of the handle storage tank 72 of control panel 7; When the manual operation handle was put into storage tank, permanent magnet produces suction to the iron-bearing materials on the handle made handle be difficult for dropping out.
For another example; The manual operation handle is a hex wrench, and promptly the cross section of the rotating shaft of manual operation handle is a hexagon, in the handle storage tank 72 of control panel 7, is provided with a rotating shaft and deposits hole 721; With enhanced stability; In order to cooperate hex wrench, said rotating shaft is deposited hole 721 also can be hexagon, as shown in Figure 4.During further preferred version; The rotating shaft 62 of manual operation handle 6 is an iron-bearing materials; The Handheld Division 61 of manual operation handle 6 can be plastics also can be irony, the hole wall that said rotating shaft is deposited the hole is provided with permanent magnet, to attract the handle rotating shaft 62 of irony.
Claims (12)
1. the motor-operating mechanism of a switch; The handle (102) of switch (100) stretches out from the panel (101) of switch, and motor-operating mechanism comprises support (1), motor (2), decelerator (3), drive unit (4), control device (5), has the control panel (7) of manual operation handle (6); The support of motor-operating mechanism (1) is installed on the panel (101) of switch (100), and said support (1) is provided with the through hole (13) that an operating grip that supplies console switch passes through; It is characterized in that:
Said decelerator (3) comprises the output shaft (32) of reduction case (31), train of reduction gears (33) and decelerator; Described drive unit (4) comprises the shift fork (41) that pivots and be provided with, and shift fork (41) is provided with prong (411), and shift fork (41) moves and carries out by the closure or the breaking operation of console switch (100) through the handle (102) that prong (411) promotes console switch (100);
Described manual operation handle (6) is rotary handle; The rotating shaft (62) of manual operation handle (6) inserts in the motor-operating mechanism from the socket (73) on the control panel (7); Said rotating shaft (62) is connected with tooth sector (63), said tooth sector (63) and train of reduction gears (33) engagement;
Described control device (5) comprises the first sensitive switch K1, the second sensitive switch K2, and the first sensitive switch K1, the second sensitive switch K2 lay respectively at the both sides of through hole (13); The first sensitive switch K1 receives from being motor (1) power supply after the long-range disjunction control signal, and prong (411) the touching first sensitive switch K1 of shift fork (41) causes the first sensitive switch K1 to stop to be motor (1) power supply; Second sensitive switch receives from being motor (1) power supply after the long-range closed control signal, and prong (411) the touching second sensitive switch K2 of shift fork (41) causes the second sensitive switch K2 to stop to be motor (1) power supply;
The vertical side that is installed in support (1) of said reduction case (31), train of reduction gears (33) and tooth sector (63) are positioned at the casing of reduction case (31); Motor (1) is vertically mounted on the outer facade of reduction case (31) first sides (8); The output shaft of motor (1) is connected with train of reduction gears (33) in stretching into reduction case (31) from first side (8), and the output shaft of decelerator (32) stretches out reduction case (31) from first side (8) and drives external shift fork (41) rotation of reduction-gear housing.
2. the motor-operating mechanism of switch according to claim 1; It is characterized in that: said drive unit (4) also comprises runner (42); Shift fork (41) is provided with chute (412); The output shaft (32) that runner (42) is installed in decelerator (3) is gone up and is rotated with the output shaft (32) of decelerator (3), and runner (42) is provided with protruding axle (421), and protruding axle (421) departs from the center of rotation of runner (42) and is in transmission connection with chute (412).
3. the motor-operating mechanism of switch according to claim 2; It is characterized in that: said drive unit (4) also comprises bracing frame (11), pivot (12); Shift fork (41) is around rotating to pivot (12); One end of pivot (12) is fixed on the bracing frame (11), and the other end of pivot (12) is fixed on the outer facade of reduction case (31) first sides, and bracing frame (11) and reduction case (31) are fixedly connected with support (1) respectively and connect.
4. the motor-operating mechanism of switch according to claim 1 is characterized in that: said control device (5) comprises that also the 3rd sensitive switch K3 and function switch moving member (51); Said sensitive switch K3 is fixed on the outer facade of reduction case (31) first sides;
Be connected to an end of the 3rd sensitive switch K3 contact with an end of the end of the first sensitive switch K1 contact and the second sensitive switch K2 contact and after connecing; The 3rd sensitive switch K3 contact other end is connected with the power input of motor (2), and the other end of the other end of the first sensitive switch K1 contact, the second sensitive switch K2 contact is connected with separately remote control signals respectively;
Said function is switched moving member (51) and is installed in movably on the end face of reduction case (31), and said function is switched moving member (51) and is provided with the switch bar (511) that protrudes in control panel (7), a lock hole (513) that runs through function switching moving member;
Through manually stirring switch bar (511) said function switching moving member (51) is moved to electronic service position; Switch moving member (51) and touch the 3rd sensitive switch K3 and make the 3rd sensitive switch K3 keep connecting, the socket (73) on lock hole (513) and the control panel (7) staggers and forbids that the rotating shaft (62) of manual operation handle (6) is inserted through from lock hole (513);
Through manually stirring switch bar (511) said function switching moving member (51) is moved to the manual work position; Manually stir switch bar (511) and separate with the 3rd sensitive switch K3 and the 3rd sensitive switch K3 keep to be broken off, lock hole (513) is facing to the socket (73) on the control panel (7) and allow the rotating shaft (62) of manual operation handle (6) to be inserted through from lock hole (513).
5. the motor-operating mechanism of switch according to claim 4; It is characterized in that: described control device (5) also comprises the back-moving spring of the padlock spare (52) that has the padlock hole, the latch hook (53) that catches on padlock spare and latch hook (53); On the control panel (7) of motor-operating mechanism, be reserved with padlock spare and stretch out hole (74), the said switch bar (511) of manually stirring has a locking service position;
When function switching moving member (51) was positioned at electronic service position, manual work position, latch hook (53) catches on padlock spare (52) can not reach outside the control panel (7) padlock spare (52); Function is switched moving member (51) and is moved to when locking the service position; Function is switched moving member (51) latch hook (53) is backed down from padlock spare (52); Be in after padlock spare (52) release to can move freely also and can reach the state outside the control panel (7); Meanwhile; Function switching moving member (51) separates with the 3rd sensitive switch K3 and makes the 3rd sensitive switch K3 keep breaking off, and the socket (73) on lock hole (513) and the control panel (7) staggers and forbids that the rotating shaft (62) of manual operation handle (6) is inserted through from lock hole (513); When function switching moving member (51) left the locking service position, latch hook (53) resetted under the effect of its back-moving spring and catches on padlock spare (52).
6. the motor-operating mechanism of switch according to claim 5 is characterized in that: function is switched moving member (51) and is also comprised a sticking department (512); When function switching moving member (51) was positioned at electronic service position, manual work position, the sticking department (512) of function switching moving member (51) was uncorrelated with drive unit (4); Function is switched moving member (51) and is positioned at when locking the service position, and sticking department (512) hinders the shift fork (41) of drive unit (4) or the rotation of runner (42).
7. according to the motor-operating mechanism of claim 1 or 5 or 6 described switches; It is characterized in that: described drive unit (4) also is provided with the state show tags; The state show tags is positioned at the end away from prong (411) on shift fork, in that to be provided with display window (71) on the control panel (7) corresponding with state show tags on the shift fork.
8. the motor-operating mechanism of switch according to claim 1; It is characterized in that: described manual operation handle (6) is dismountable plug-in handle, and described control panel (7) is provided with handle storage tank (72) and deposits the manual operation handle (6) that is removed.
9. the motor-operating mechanism of switch according to claim 1, it is characterized in that: tooth sector is a bevel gear (63), the vertical pivot of this bevel gear (63) is perpendicular to the output shaft (32) of decelerator, also perpendicular to support (1).
10. the motor-operating mechanism of switch according to claim 3, it is characterized in that: the first sensitive switch K1, the second sensitive switch K2, the 3rd sensitive switch K3 are the normally closed switch of band from reset function.
11. the motor-operating mechanism of switch according to claim 8 is characterized in that: all or part of parts of described manual operation handle (6) are iron-bearing materials, on the cell wall of the handle storage tank (72) of control panel (7), are provided with permanent magnet.
12. the motor-operating mechanism of switch according to claim 8; It is characterized in that: the rotating shaft (62) of described manual operation handle (6) is an iron-bearing materials; The cross section of said rotating shaft is a hexagon; In the handle storage tank (72) of control panel (7), be provided with a rotating shaft and deposit hole (721), the hole wall that said rotating shaft is deposited the hole is provided with permanent magnet.
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| CN201210287671.1A CN102800505B (en) | 2012-08-13 | 2012-08-13 | Electric operation mechanism of switch |
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|---|---|---|---|
| CN201210287671.1A CN102800505B (en) | 2012-08-13 | 2012-08-13 | Electric operation mechanism of switch |
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| CN102800505B CN102800505B (en) | 2015-05-20 |
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| CN201210287671.1A Active CN102800505B (en) | 2012-08-13 | 2012-08-13 | Electric operation mechanism of switch |
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| CN104064384A (en) * | 2014-06-06 | 2014-09-24 | 合肥鑫伟电力设备有限公司 | Electric control device for earthing switch of medium voltage switchgear |
| CN104242196A (en) * | 2014-09-15 | 2014-12-24 | 镇江西门子母线有限公司 | Bus duct plug box |
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| CN104851692A (en) * | 2015-04-27 | 2015-08-19 | 苏州君丰辰电子科技有限公司 | Dual-power changeover switch |
| CN105005352A (en) * | 2015-07-30 | 2015-10-28 | 北京智网时代科技有限公司 | Power output device and remote control switch |
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| CN109741978B (en) * | 2019-03-04 | 2024-03-15 | 珠海优特电力科技股份有限公司 | Remote control micro-breaking control device and switch assembly |
| CN110993421A (en) * | 2019-11-22 | 2020-04-10 | 许继（厦门）智能电力设备股份有限公司 | Interlocking structure of three-position switch |
| CN112234757A (en) * | 2020-09-22 | 2021-01-15 | 兰州万里航空机电有限责任公司 | Take overload protection's electric mechanism |
| CN112234757B (en) * | 2020-09-22 | 2021-10-15 | 兰州万里航空机电有限责任公司 | Take overload protection's electric mechanism |
| CN112937414A (en) * | 2021-03-03 | 2021-06-11 | 东风汽车集团股份有限公司 | Vehicle-mounted multifunctional floor |
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