CN101558461A - Tie bar for three pole switching device - Google Patents
Tie bar for three pole switching device Download PDFInfo
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- CN101558461A CN101558461A CNA2007800413002A CN200780041300A CN101558461A CN 101558461 A CN101558461 A CN 101558461A CN A2007800413002 A CNA2007800413002 A CN A2007800413002A CN 200780041300 A CN200780041300 A CN 200780041300A CN 101558461 A CN101558461 A CN 101558461A
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Abstract
A multipole switching device selectively switches electrical power from an electrical power source to a load circuit. A first control device comprises a housing mountable in a panel, an electromechanical actuator in the housing including a movable plunger, and an electrical switch in the housing operated by the plunger. A second control device comprises a housing mountable in a panel, adjacent the first control device, a mechanical actuator in the housing including a movable link, and an electrical switch in the housing operated by the movable link. A third control device comprises a housing mountable in a panel, adjacent the second control device, an electromechanical actuator in the housing including a movable plunger, and an electrical switch in the housing operated by the plunger. A tie linkage mechanically ties the first control device plunger and the third control device plunger to the movable link.
Description
Quoting mutually of related application
The application requires the priority of the provisional application sequence number 60/865,051 of submission on November 9th, 2006, and its content is incorporated herein by reference.
Technical field
The present invention relates generally to family expenses and commercial power power distribution panels and element, and more specifically, relate to and be used for control load, lighting load in electric power distribution system and air-conditioning load particularly, the tie-rod of triple-pole switch device.
Background of invention
Circuit breaker panel is used for protective circuit and exempts from overcurrent condition, for example overload, high level short circuit relatively, or ground-fault condition etc., the damage that causes.In order to carry out this function, circuit breaker panel comprises the circuit breaker that typically comprises switch element and trip unit (trip unit).Switch element and circuit (being circuit and load) coupling makes it to disconnect or the conductive channel of closed circuit.Switch element comprises contact arm, the operating mechanism of the pivot of the pair of separable contacts of every phase, every phase, and action bars.
In overcurrent condition, all paired separable contacts are separated or trip, thus open circuit.When overcurrent condition no longer exists, circuit breaker can reset and make the separable engage contacts that all are paired, thus closed circuit.
Except that passing through the manual overcurrent protection of action bars, overcurrent protection also provides by trip unit automatically.The circuit breaker of the tripping operation type by electrodynamic mechanical type, the overcurrent condition of trip unit testing circuit and automatically with circuit breaker trip.When detecting overcurrent condition, the tripping mechanism start-up function mechanism that in trip unit, comprises, thus first contact of every phase is separated from second contact.Typically, action bars connects feasible when tripping mechanism start-up function mechanism separate contacts with operating mechanism, and action bars also moves to trip position.
Power connection equipment (switchgear) and distribution board (switchboard) are the general termses that is used in reference to the power equipment that comprises metal shell, metal shell holds for example fuse, circuit breaker and relay, and the switch and the interrupting device of related control, instrument and metering device etc.Shell also typically comprises for example device that is used for distributing electric power of bus, inner connection and supporting structure (being commonly referred to as " panel " here) etc.Such power equipment can remain in the building of for example factory or commercial undertaking etc., and perhaps it can remain on the outside of such facility and be exposed in the environmental weather conditions.Typically, provide hinged door or lid to be used in the front of power connection equipment or distribution board part near the device that wherein comprises.
Except that distribution and protective circuit avoid the overcurrent condition, increase the electric power that element is used to be operatively connected to the load of circuit breaker to panel.For example, element has been used to control the electric power of illumination.
A system that is used to control to the electric power of load utilizes remote-operated circuit breaker system.In such system, the switch element of circuit breaker is not only made response to overcurrent condition and is operated, and the signal that receives from the control unit that separates with circuit breaker is made response and operated.This circuit breaker ad hoc constitutes with as remote-operated circuit breaker, and can comprise motor or other starting devices that is used for the starting switch unit.
In the remote-operated circuit breaker system of demonstration, control unit is installed on the panel and with remote-operated circuit breaker and is connected by the control bus rigid line.When the switch element of circuit breaker was wanted closed or disconnected, operating current was applied to the circuit breaker starting device by control panel or directly removes from the circuit breaker starting device.In addition, for the feedback information of for example contact check etc., in bus, provide conductor separately for each circuit breaker position in the panel.Control unit comprises and is used for respectively the electronic equipment that in the being installed in panel circuit breaker of specific circuit breaker position applied and removed operating current.The panel control unit also has the electronic equipment of the state that is used to check circuit breaker, diagnosis etc.An advantage of that system is to come at each circuit breaker according to their positions in panel.
Need be when providing many cover switch contacts to be used for the control of air-conditioning and meter load when what have two or three pole units, the operation of the remote-operated circuit breaker difficulty more that becomes.A plurality of single-pole devices can be operated simultaneously to simulate multipole device.Yet, in such configuration, have the problem of timing.Equally, if in the device was lost efficacy or operated on the contrary with the operation of plan, may cause load operation improperly.In addition, for each independent single pole units needs control circuit separately.Before, since the such circuit of component size and the power that needs in the outside of switching device.The outside that telecommunication circuit is arranged on switching device needs this circuit always to exist in power distribution panels, even switching device does not exist.
As an alternative or additionally, the contact arm of multipole device can connect by the cross bar mechanical type, and cross bar is pivoted with the point identical with contact arm usually and guarantees that contact arm moves simultaneously/rotates.Yet it may be infeasible that cross bar uses with modularization device or similar device.Each utmost point is essential in identical open/close position, still allows simultaneously to provide enough because the excess of stroke (overtravel) of any single utmost point that contact wear and offset issue cause.
The present invention concentrates on the tie-rod (tie bar) in the triple-pole switch device.
Summary of the invention
According to the present invention, in the triple-pole switch device of electric power distribution system, provide tie-rod.
The present invention concentrates on the tie-rod system in the triple-pole switch device, and it guarantees that by use all three utmost points of switching device are positioned at the conventional cross bar design of a series of connecting rods replacements of same position (disconnecting or closure) at any given time.This is by connecting utmost point realization at contact arm " knuckle-pin " joint of each utmost point rather than contact arm " pivot " position of using in standard transverse rod design as usual.This tie-rod system is designed to utilize the overall modular notion to be used for the triple-pole switch device, and its use is several for one pole and the shared parts of double-pole switch device, and these are different with the conventional cross bar design that needs more to many custom component than this tie-rod system.
According to an aspect of the present invention, the multipole switch device that is used for optionally electric power being switched to from power supply load circuit is disclosed.First control device comprises the shell that can be installed in the panel, comprises the electromechanical actuators of movable plunger in the enclosure, and in the enclosure by the electric switch of plunger operation.Second control device comprises and can be installed in the panel and the shell of contiguous first control device, comprise the mechanical actuator of movable rod in the enclosure, and in the enclosure by the electric switch of movable rod operation.The 3rd control device comprises and can be installed in the panel and the shell of contiguous second control device, comprise the electromechanical actuators of movable plunger in the enclosure, and in the enclosure by the electric switch of plunger operation.System connects mechanism first control device plunger and the 3rd control device plunger system is connected to movable rod.
The invention is characterized in, be to connect mechanism to comprise and corresponding first control device plunger and the first and second operatively related bars of the 3rd control device plunger.
Of the present invention another be characterised in that, is to connect mechanism also to be included in the second control device shell and first and second bars and the tie-rod that operatively connects with movable rod.
Of the present invention another is characterised in that the tie-rod pivoted is installed in the second control device shell and has the relative hub portion (hub) of accommodating first and second bars.
Remain of the present invention another and be characterised in that first and second bars extend into the slotted eye in movable rod.
Still of the present invention another is characterised in that first and second bars comprise Z-shaped turning bar (double bend rod).
Remain of the present invention another and be characterised in that, the first bar mechanical type connects the contact arm that plunger and the contact arm and the second bar mechanical type of first control device electric switch are connected plunger and the 3rd control device electric switch.
Still of the present invention another is characterised in that, movable rod comprise have accommodate first and second bars slotted eye with the compensation contact wear and have and accommodate the extension rod in hole of knuckle-pin that mechanical type connects the contact arm of movable rod and second control device electric switch.
Remain of the present invention another and be characterised in that electromechanical actuators comprises solenoid.
According to a further aspect in the invention, openly be used for optionally electric power is switched to from power supply the triple-pole switch device that comprises first, second and the 3rd control die set of load circuit.The first and the 3rd control die set respectively comprises the shell that can be installed in the panel, the electromechanical actuators that comprises movable plunger in the enclosure, and the electric switch that comprises fixed contact and armature contact in the enclosure, this armature contact is carried on the contact arm of being operated by plunger.Second control die set comprises the shell that can be installed in the panel, comprises the mechanical actuator of movable rod in the enclosure, and the electric switch that comprises fixed contact and armature contact in the enclosure, and this armature contact is carried on the contact arm of being operated by movable rod.Contiguous first control die set of second control die set and the 3rd control die set are installed.System connects mechanism the first control die set contact arm and the 3rd control die set contact arm mechanical type is lain in movable rod.
Other features and advantages of the present invention will be from specification and accompanying drawing obviously as seen.
Description of drawings
Fig. 1 is the front view according to power distribution plate of the present invention;
Fig. 2 illustrates the paired circuit breaker of power distribution plate of Fig. 1 and the block diagram of remote-control apparatus;
Fig. 3 is the fundamental block diagram according to multipole switch device of the present invention;
Fig. 4 is the detailed diagram of the multipole switch device of Fig. 3;
Fig. 5 is the decomposition diagram according to triple-pole switch device of the present invention;
Fig. 6 is the perspective view that is illustrated in the solenoidal mechanical connection in the triple-pole switch device of Fig. 5;
Fig. 7 is the perspective view of pull bar (tie rod) of center control die set of the switching device of Fig. 5;
Fig. 8 is the perspective view of center pole link of center control die set of the switching device of Fig. 5;
Fig. 9 is the perspective view of tie-rod of center control die set of the switching device of Fig. 5;
Figure 10 A is the perspective view of first control die set of the switching device of Fig. 5, comprises pull bar (tierod);
Figure 10 B is and perspective view like Figure 10 category-A, for the clear inner member of wherein removing the part of shell and removing it;
Figure 11 A is first control die set of switching device of Fig. 5 and the perspective view of second control die set, installs shoulder to shoulder, comprises pull bar;
Figure 11 B is and perspective view like Figure 11 category-A, for the part of the clear shell of wherein removing second control die set and its inner member;
Figure 12 A is the perspective view of the triple-pole switch device of Fig. 5; And
Figure 12 B is and perspective view like Figure 12 category-A, for the part of the clear shell of wherein removing the 3rd control die set and its inner member.
Embodiment
For example the distribution system of integrated lighting control system etc. according to the present invention, allows the user to use multipole straighforward operation relay control typically to be used to the power circuit that throws light on, and the circuit that is used for resistance heating or air-conditioning.Distribution system can be as the U. S. application of submitting on September 12nd, 2,006 11/519, general remark in 727, its specification is incorporated herein by reference, or U. S. application 11/635 as submitting on December 7th, 2006, more specifically describe in 299, its specification is incorporated herein by reference.
With reference to figure 1, Lighting Control Assembly according to the present invention comprises illumination control panel 100.Panel 100 can comprise Siemens type P1 distribution panelboard, although the invention is not restricted to such configuration.Line power enters panel 100 by the feed cable 102 that is connected with power supply 104.Line power can for example be three-phase 480Y277,240 or the 120VAC power supply, conventional in this way.Cable 102 is electrically connected with the input side of main circuit breaker 106.Main circuit breaker 106 distributed lines power in a usual manner arrives individual circuit breakers 108.How power distributes the design of depending on individual circuit breakers 108, as being tangible for those skilled in the art.Power division is to the line side of individual circuit breakers 108.Panel 100 can be configured to accepts 42 or more a plurality of individual circuit breakers 108, although only shown 30 in the embodiment in figure 1.But each circuit breaker conventional structure and Siemens BQD circuit breaker for example.Each circuit breaker 108 comprises the line terminal 108A and the face terminals 108B that is used for routinely being connected with load circuit that accommodates from the power of main circuit breaker 106.
Simple for what illustrate, this device is cited and without any the suffix of band hyphen when this paper usually illustrates the device of circuit breaker 108 grades for example.On the contrary, if explanation concrete in the device, it is cited and suffix with band hyphen, for example 108-1.
According to the present invention, each load circuit that will control also has remote-control apparatus 110, for example relay, meter or dimmer etc.According to the present invention, term remote-control apparatus used herein comprises any control, monitoring or other devices that in addition can use in load circuit.Yet in a preferred embodiment, remote-control apparatus 110 is resolution elements of circuit breaker 108, and term used herein " remote-control apparatus " comprises the device with the circuit breaker one.Remote-control apparatus 110 also is connected with 112B with data-track 112A.Panel controller 114 is controlled remote-control apparatus 110 by being connected of providing via data- track 112A and 112B, as discussed below.
Remote-control apparatus 110 comprises the shell 110H that the auxiliary contact group is housed, and this auxiliary contact group can be operated to disconnect and closed lighting circuit on remote control ground.Device 110 uses the conductor tab of insertion breaker connection post 108B panel 100 in, i.e. terminal 110A is connected to the load-side of circuit breaker 108, sees Fig. 2.Face terminals 110B comprises and is used for the binding post of breaker connection post 108B same size and will be connected with the load device wire connecting.Crust of the device 110H is configured to be installed in the Siemens type P1 distribution panelboard, although the invention is not restricted to such configuration.
With reference to figure 2, block diagram illustrates four circuit breaker 108-1,108-2,108-3 and 108-4, and corresponding related remote-control apparatus 110-1,110-2,110-3 and 110-4.In the illustrated embodiment, the first device 110-1 comprises relay, and the second device 110-2 comprises circuit breaker, and the 3rd device 110-3 comprises current transformer, and the 4th device 110-4 comprises dimmer.As obviously visible, can use any combination of these remote-control apparatuss 110.Each remote-control apparatus 110 comprises the input terminal 110A that associated circuit breaker face terminals 108B is electrically connected, and is used for the lead-out terminal 110B that is connected with load device.
Data-track 112 direct mechanical formulas are connected to the inside of illumination control panel 100.Data-track 112 comprises the communication bus of conductively-closed, and it comprises the banded connector 115 with the conductor that routes to panel controller 114.Bunch 116 is connected data-track 112 with remote-control apparatus 110.
The detailed description of data-track 112 and panel controller 114 does not here provide.On the contrary, can be with reference to the identical detailed argumentation in the application incorporated herein by reference.In fact, the present invention do not require and uses panel controller or data-track, as will be obviously visible.
Allow the remote control switch of electric branch load with the remote-control apparatus 110 of relay form.Device 110 is designed to pack into and has 42 or more in the standard distributed plate of network circuit circuit breaker 108.Device 110 is annexes of branch circuit breaker 108, allows the load repeat switch and can not influence the operation of circuit breaker 108.
Remote-control apparatus 110 need be used to receive and disconnects or closed command signal and return that report is successfully operated or the device of unit state.Also need to be used for the disconnection and the closed device of driving switch mechanism contacts.According to the present invention, remote-control apparatus is that what to have that mechanical type connects these devices is the multipole switch device that connects mechanism, and it uses two magnetic to keep solenoids as actuator devices and an electronic circuit board (similar to single-pole device).By this design, electronic control circuit is positioned at switching device self inside.Only need a circuit to operate two actuators.Two magnetic as switch actuator keep the use of solenoid or " magnetic padlock " to cause low-down energy requirement, need the short duration pulse to change position (measuring), provide accurately and repeatably timing and require the control must reversal voltage polarity with millisecond.In addition, two solenoids use mechanical linkage direct control the 3rd utmost point, as discussed below.
Fig. 3 illustrates the basic functional block diagram of multipole load switch.With the remote-control apparatus of the form of three utmost point straighforward operation switching device 110M comprise mutual contiguous install have separately shell 110H-1,110H-2 and the first control die set 110M-1 of 110H-3, the second control die set 110M-2 and the 3rd control die set 110M-3, as shown in Figure 1, form three-pole device.As obviously visible, first extremely can be in the first control die set 110M-1, and second extremely can be in the second control die set 110M-2 and the 3rd extremely can be in the 3rd control die set 110M-3.Alternatively, the 3rd extremely can be in the first control die set 110M-1, and second extremely can be in the second control die set 110M-2 and first extremely can be in the 3rd control die set 110M-3.
The second control die set 110M-2 is installed between the first control die set 110M-1 and the 3rd control die set 110M-3.Be included in control circuit 480 in the printed circuit board (PCB) in the first shell 110H-1 and be connected with bunch 116 and be used for and being connected of data-track 112, also referring to Fig. 2.Control circuit 480 drives respectively two control relay CR1 and the CR2 in the first and the 3rd shell 110H-1 and 110H-3.The first control relay CR1 is operatively connected the electric switch of the form of the normally opened contact CR1-1 between terminal 110A-1 and 110B-1.The second control relay CR2 is operatively connected the electric switch of the form of the normally opened contact CR2-1 between terminal 110A-3 and 110B-3.Common what drive is to connect the electric switch that mechanism operates in the form of the normally opened contact AC between terminal 110A-2 and 110B-2 in the second control die set shell 110H-2 by two control relay CR1 and CR2 according to of the present invention as described below.Transducer 484 detects the state of relay and is connected with control circuit 480.Like this, the operation of control circuit 480 control contact CR1, CR2 and AC is electrically connected load and circuit breaker 108-1,108-2 and 108-3 with selectivity, thereby and provides electric power to load L.
Fig. 4 illustrates the detailed diagram of remote-control apparatus 110-M.The connection of data guide rail is by four line caps 500.Port 500 comprises positive voltage and ground connection, serial communication line, and select circuit, as discussed above.Supply voltage and ground connection provide to power supply 502 to produce microcontroller 504 and other circuit required voltages.Thereby communication drive circuit 506 is used to isolate and drives single serial communication line and driving data guide rail 112 between microcontroller 504 and port 500.As discussed above, be connected with single line with each remote-control apparatus 110 and be used for transmitting and receiving instruction and data with panel controller 114.This provides essential isolation and protection.Under the situation that single assembly lost efficacy, remaining device continues operation correctly.Be connected from buffering in the online road of the selection circuit buffer 508 of port 500 and with microcontroller 504.This select circuit to be used to enable or stop using towards or from the communication of remote-control apparatus 110-M.By selecting an above remote-control apparatus, I/O controller 124 can send instruction or information to multiple arrangement 110 simultaneously, reduces the traffic on serial communication bus.
Microcontroller 504 comprises conventional microcontroller and related memory 504M, the software that memory stores is moved in microcontroller 504.
Provide feedback to actuator plunger and connecting rod position by transducer 484, transducer 484 is with two aided location switches, master site switch 516 and second place switch 518, for example form of Chuan Lian the second and the 3rd auxiliary relay contact.Signal cushions in input buffer 520 and 552 separately and is connected with microcontroller 504 then.Microcontroller 504 uses feedback information I/O controller solicited status to be made the disconnection or closed trial of response or retry failure.
In addition, microcontroller 504 can send that signals disconnect to show to various types of positioning indicators 524 of for example LED etc., closed, communication normal (OK), proper operation, low-voltage etc.Programming port 526 can be used to programme or the microcontroller software or for example be written into the parameter of opening/closing pulse rate or the fault of remover 110 of upgrading.
Illustrate with separately relation with reference to 5, three control die set of figure.Illustrate that as mentioned the first control die set shell 110H-1 comprises the circuit that is used for operating the control relay CR1 that is contained in wherein and is contained in the control relay CR2 of the 3rd control die set 110H-3.Electrodynamic mechanical type linkage (linkage) operates in electric switch among the second control die set 110M-2 with the first and the 3rd control die set 110M-1 and 110M-3.Fig. 6 illustrates the electrodynamic mechanical type device that forms the triple-pole switch device, wherein for clear shell, the circuit and similar of having omitted.
As shown in Figure 6, the 3rd control die set electric switch that schematically is shown as CR2-1 in Fig. 3 comprises fixed contact 120-3 and armature contact 122-3.For with being connected of terminal 110B-3, fixed contact 120-3 is installed in the terminal band 124-3 that is fixedly mounted in the shell 110H-3 in a usual manner, referring to Fig. 3.Armature contact 122-3 is carried on and uses contact arm pivot 128-3 pivoted to be installed on the interior contact arm 126-3 of shell 110H-3.Contact arm is electrically connected with terminal 110A-3 in any known mode, referring to Fig. 3.The electric switch structure of the first control die set 110M-1 and the second control die set 110M-2 is similar substantially and does not describe in detail.
According to the present invention, the second control die set 110M-2 does not use solenoid.On the contrary, mechanically actuatedly provide by center pole link 130, tie-rod 132 and first and second pull bars 134 and 136.
Comprise Z-shaped turning extension rod with reference to figure 7, the first pull bars 134, it comprises the long end 138 that is connected with mid portion 140 by 90 degree bendings, and wherein mid portion 140 is connected with short end 142 by another 90 degree bending.As obviously visible, long end 138 extends on the opposite direction of short relatively end 142.Second pull bar 136 is identical.Long end 138 plays a part as knuckle-pin, as described below.
With reference to figure 8, center pole link 130 is single type plastic constructions, comprises the prolate body 144 that at one end has slotted eye 146 and have hole 148 at the relative other end.
With reference to figure 9, tie-rod 132 is included in the shoulder 150 that connects between relative arm 152 and 154. Hub portion 156 and 158 be connected separately arm 152 and 154 far-end.The through hole 160 that passes shoulder 150 is provided.The hub portion 156 passed separately and 158 through hole 162 and 164 are provided.
With reference to figure 6, bar 166 is accommodated in tie-rod shoulder through hole 160 with pivoted and tie-rod 132 is installed in the second control die set 110M-2, also referring to Figure 11 B.Pull bar 134 and 136 short end 142 pass corresponding tie-rod hub portion through hole 162 and 164 and extend into center pole link slotted eye 146.The long end 138 of first pull bar 134 works to connect the knuckle-pin of the first control die set plunger 530 and contact arm 126-2.Contact arm 126-2 uses pivot pin 128-1 pivoted to be installed among the first control die set shell 110H-1.Similarly, the long end 138 of second pull bar 136 works to connect the knuckle-pin of the second control relay plunger 532 and the 3rd control die set contact arm 126-3.Contact arm 126-3 uses pivot pin 128-3 pivoted to be installed among the 3rd control die set shell 110H-3.
Knuckle-pin 168 in the second control die set shell 110H-2 extends through hole and the tie rod holes 148 in contact arm 126-2, also referring to Figure 11 B.
With reference to figure 10A, that side that the vicinity second control die set 110M-2 of the first control die set shell 110H-1 installs comprises long 138 the through hole 170 of holding that is used to accommodate first pull bar 134.Hole 170 is centered on by recess 172.Although clearly do not illustrate, similarly hole and recess provide in that side of the contiguous second control die set 110M-2 of the 3rd control die set shell 110H-3.
With reference to figure 11A, the second control die set shell 110H-2 comprises the hole 174 of lacking end 142 that is used to accommodate second pull bar 136 in its upper end.Recess 176 provides in that side of shell, and is similar with the recess 172 of above explanation.Although do not illustrate, that relative side of the second control die set 110H-2 comprises similar hole and recess.In contiguous shell, provide recess to make that when shell was installed shoulder to shoulder, the there was useful on pull bar mid portion 140 and moves the space that allows minimal tilt simultaneously.
What tie-rod 132, center pole link 132 and two pull bars 134 and 136 formed that mechanical types are connected to the center pole link 130 and the second control die set contact arm 126-2 with the first control die set plunger 530 and contact arm 126-1 and the 3rd control die set plunger 532 and contact arm 126-3 system is mechanism of company, as specifically illustrating in Fig. 6.Shell 110H-1 and 1110H-2 are clipped in the middle first pull bar 134 and shell 110H-2 and 110H-3 are clipped in the middle second pull bar 136.Explanation as mentioned, solenoid coil 512 and 514 together by electricity operation make win and the 3rd utmost point all in the identical operations position.According to the present invention, tie-rod 132 and pull bar 134 and 136 mechanical types keep in touch arm 126-1,126-2 and 126-3 in the identical operations position, allow the minimal tilt of tie-rod 132 and pull bar 134 and 136 at the most.Similarly, be to connect mechanism can operate and be used for mechanical type and activate center pole link 130.Thereby even an inefficacy in coil 512 or 514, mechanical linkage guarantees that all three utmost points are in the identical operations position.
Although do not illustrate, make that with 126-3 related armature contact normally electrically contacts with fixed contact at shell 110H-1,110H-2 and 110H-3 operating spring biasing contact arm 126-1, the 126-2 separately in each.When solenoid 512 and 514 by when lock, plunger 530 and 532 rises contact arm 126-1 and 126-3 so that armature contact 122 is separated from fixed contact 120 by tie rod longer ends 138.Thereby pull bar 134 and 136 mobile makes tie-rod 132 upwards rotate to rise center pole link 130 and rises the second control die set contact arm 126-2 so that armature contact is separated from the fixed contact of contact A C, referring to the schematic diagram of Fig. 3 by knuckle-pin 168.When solenoid 512 and 514 releases, moving is in the opposite direction so that make position is return in the contact.
Thereby, as described,, independent magnetic padlock solenoid 512 and 514 is arranged, and center pole there is not solenoid for two outmost utmost points.Tie-rod 132 provides stability and is positioned at usually and can comprise solenoidal space.Tie-rod 132 prevent from and use Z-shaped bar 134 with 136 be included in outside pole in contact arm 126-1 be connected with 126-3.The contact arm 126-2 of center pole uses connecting rod 130 to be connected with steady strain 132, and connecting rod 130 and the length of Z-shaped bar 134 and 136 are about identical but have slotted eye 146 to compensate contact wear.Because steady strain 132 and center pole link link and be connected, this guarantees that all utmost points are in identical disconnection or make position.This not only eliminates the 3rd magnetic padlock solenoid, also reduces parts because only need to drive two solenoids rather than three solenoids.
Thereby multipole switch device 110M comprises single control circuit, and it operates control relay CR1 and CR2 simultaneously.This controls both with in the identical operations position.Disclosed system connects mechanism's mechanical type and prevents that each utmost point is at different operating positions.
The general configuration of control relay 110M-1,110M-2 and 110M-3 is introduced by the mode of example.System according to the present invention connects mechanism and can use with other configurations that are applicable to the relay that forms multipole relay.Although disclosed being configured in the distribution panelboard advantageously used, be to connect mechanism can use with self-contained unit or similar device similarly.
Claims (18)
1. one kind is used for optionally electric power is switched to the multipole switch device of load circuit from power supply, comprising:
First control device comprises the shell that can be installed in the panel, the electromechanical actuators that comprises movable plunger in this shell, and the electric switch of being operated by described plunger in this shell;
Second control device comprises the shell that can be installed in contiguous described first control device in the panel, the mechanical actuator that comprises movable rod in this shell, and the electric switch of being operated by described movable rod in this shell;
The 3rd control device comprises the shell that can be installed in contiguous described second control device in the panel, the electromechanical actuators that comprises movable plunger in this shell, and the electric switch of being operated by described plunger in this shell; And
System connects mechanism, is used for described first control device plunger and described the 3rd control device plunger mechanical type system are connected to described movable rod.
2. multipole switch device as claimed in claim 1, wherein said system connects mechanism and comprises first and second bars, and it is operatively related with corresponding first control device plunger and the 3rd control device plunger.
3. multipole switch device as claimed in claim 2, wherein said system connects mechanism and also is included in tie-rod in the described second control device shell, and it operatively connects with described first and second bars and with described movable rod.
4. multipole switch device as claimed in claim 3, wherein said tie-rod pivoted is installed in the described second control device shell, and has the relative hub portion of accommodating described first and second bars.
5. multipole switch device as claimed in claim 4, wherein said first and second
6. multipole switch device as claimed in claim 2, wherein said first and second bars comprise Z-shaped turning bar.
7. multipole switch device as claimed in claim 2, the wherein said first bar mechanical type connects the contact arm of described plunger and described first control device electric switch, and the described second bar mechanical type connects the contact arm of described plunger and described the 3rd control device electric switch.
8. multipole switch device as claimed in claim 1, wherein said movable rod comprises extension rod, it has the slotted eye of accommodating described first and second bars with the compensation contact wear, and have the hole of accommodating knuckle-pin, described knuckle-pin mechanical type connects the contact arm of described movable rod and described second control device electric switch.
9. multipole switch device as claimed in claim 1, wherein said electromechanical actuators comprises solenoid.
10. one kind is used for optionally electric power is switched to the triple-pole switch device of load circuit from power supply, comprising:
First control die set, comprise the shell that can be installed in the panel, the electromechanical actuators that in this shell, comprises movable plunger, and the electric switch that in this shell, comprises fixed contact and armature contact, described armature contact is carried on the contact arm of being operated by described plunger;
Second control die set, comprise the shell that can be installed in contiguous described first control die set in the panel, the mechanical actuator that in this shell, comprises movable rod, and the electric switch that in this shell, comprises fixed contact and armature contact, described armature contact is carried on the contact arm of being operated by described movable rod; And
The 3rd control die set, comprise the shell that can be installed in contiguous described second control die set in the panel, the electromechanical actuators that in this shell, comprises movable plunger, and the electric switch that in this shell, comprises fixed contact and armature contact, described armature contact is carried on the contact arm of being operated by described plunger; And
System connects mechanism, is used for described first control die set contact arm and described the 3rd control die set contact arm mechanical type system are connected to described movable rod.
11. triple-pole switch device as claimed in claim 10, wherein said system connects mechanism and comprises first and second bars, and is operatively related with corresponding first control die set plunger and described the 3rd control die set plunger.
12. triple-pole switch device as claimed in claim 11, wherein said system connects mechanism and also is included in the described second control die set shell and described first and second bars and the tie-rod that operatively connects with described movable rod.
13. triple-pole switch device as claimed in claim 12, wherein said tie-rod pivoted are installed in the described second control die set shell and have the relative hub portion of accommodating described first and second bars.
14. triple-pole switch device as claimed in claim 13, wherein said first and second bars extend into the slotted eye in the described movable rod.
15. triple-pole switch device as claimed in claim 10, wherein said first and second bars comprise Z-shaped turning bar.
16. triple-pole switch device as claimed in claim 11, the wherein said first bar mechanical type connects the contact arm of described plunger and the described first control die set electric switch, and the described second bar mechanical type connects the contact arm of described plunger and described the 3rd control die set electric switch.
17. triple-pole switch device as claimed in claim 10, wherein said movable rod comprises extension rod, has the slotted eye of accommodating described first and second bars with the compensation contact wear, and have the hole of accommodating knuckle-pin, described knuckle-pin mechanical type connects the contact arm of described movable rod and the described second control die set electric switch.
18. triple-pole switch device as claimed in claim 10, wherein said electromechanical actuators comprises solenoid.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US86505106P | 2006-11-09 | 2006-11-09 | |
| US60/865,051 | 2006-11-09 | ||
| US11/983,230 | 2007-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101558461A true CN101558461A (en) | 2009-10-14 |
Family
ID=41175642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007800413002A Pending CN101558461A (en) | 2006-11-09 | 2007-11-09 | Tie bar for three pole switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101558461A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104181362A (en) * | 2014-09-04 | 2014-12-03 | 杭州西湖电子研究所 | High-voltage multi-pole and multi-state switching device with shielding property |
-
2007
- 2007-11-09 CN CNA2007800413002A patent/CN101558461A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104181362A (en) * | 2014-09-04 | 2014-12-03 | 杭州西湖电子研究所 | High-voltage multi-pole and multi-state switching device with shielding property |
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