CN103635985B - Modular electrical switch - Google Patents
Modular electrical switch Download PDFInfo
- Publication number
- CN103635985B CN103635985B CN201180072063.2A CN201180072063A CN103635985B CN 103635985 B CN103635985 B CN 103635985B CN 201180072063 A CN201180072063 A CN 201180072063A CN 103635985 B CN103635985 B CN 103635985B
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- Prior art keywords
- electrical switch
- module
- fixed contact
- switch module
- electric
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
- H01H50/32—Latching movable parts mechanically
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
- H01H50/32—Latching movable parts mechanically
- H01H50/323—Latching movable parts mechanically for interlocking two or more relays
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
- H01H50/32—Latching movable parts mechanically
- H01H50/326—Latching movable parts mechanically with manual intervention, e.g. for testing, resetting or mode selection
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
- H01H50/041—Details concerning assembly of relays
- H01H50/042—Different parts are assembled by insertion without extra mounting facilities like screws, in an isolated mounting part, e.g. stack mounting on a coil-support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
- H01H50/041—Details concerning assembly of relays
- H01H50/045—Details particular to contactors
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Push-Button Switches (AREA)
- Keying Circuit Devices (AREA)
- Mechanisms For Operating Contacts (AREA)
Abstract
The invention provides a kind of electric switch (400), this electric switch comprises multiple electrical switch module (100,200), at least one driven unit (300), and for the coupling device (402) of multiple electrical switch module that is coupled (100,200).Described coupling device (402) the multiple electrical switch module (100,200) that is coupled makes the operation of multiple electrical switch module (100,200) substantially synchronous.
Description
Technical field
The present invention relates to a kind of electric switch for opening the conductive path also between powered-down and electric loading.In particular, the present invention relates to a kind of electric switch based on modularized design.
Background technology
In conventional electrical switch, one group of moving contact relative to one group of fixed contact displacement with the conductive path set up or between deenergization side fixed contact and load-side fixed contact.Mains side fixed contact is connected with power supply and electrical load respectively with load-side fixed contact.Driven unit is set and is moved to activation point to make moving contact from normal position.
When moving contact departs from from the pair of fixed contacts of correspondence, the conductive path between power supply and electrical load is disconnected.This position is called as " open position ".On the other hand, when moving contact contacts fixed contact with corresponding this, the conductive path between power supply and electrical load is established.This position is called as " make position ".
Correspondingly, electric switch can be classified as open in usual and normally closed type electric switch.Just often open with regard to electric switch, moving contact is moved to make position from open position by driven unit.When removing actuating force, various bias unit makes moving contact be back to open position, disconnects conductive path thus.This is reversed when operating in normally closed electric switch.
In conventional electrical switch as above, the size of electric switch based on the electric rating of electric switch, that is, expects the intensity of electric switch operating current used and/or operating voltage during its operation.Because operating current and/or operating voltage increase, the size of electric switch also must increase thus.
The various element that electric switch comprises, such as fixed contact and moving contact, carrier module, driven unit, shell structure etc., must expand in proportion according to the increase of electric switch size.Therefore, large electric switch needs huge magnet, has the huge plastic casing of sufficient mechanical strength to support various element, etc.
In prior art level, adopt special large-sized shaping jig and machine to manufacture the huge shell structure needed for large-sized electric switch.This adversely impact can manufacture the cost of large size electro air cock.
And, for the manufacture of and each the special instrument of the metal parts used in the less electric switch of assembling cannot for the manufacture of and the corresponding metal parts assembled needed for large electric switch because for expanding large-scale high cost.Therefore, according to prior art level, that large size electro air cock normally customizes and carry out man-made assembly.This can cause the various machinery of large size electro air cock and electrical characteristic is inconsistent and precision is low, and this large size electro air cock can cause the performance be not too satisfied with subsequently during operation, and in extreme circumstances, electric switch can be caused during operation to break down.In view of above, need to provide a kind of electric switch to design, it is applicable to manufacture the electric switch with high electric rating when without the need to Custom Design and without the need to manufacturing various element.
Summary of the invention
Therefore, the object of this invention is to provide the design of a kind of electric switch, it is applicable to manufacture the electric switch with high electric rating when without the need to Custom Design and without the need to manufacturing various element.
According to aforementioned object, the invention provides a kind of electric switch, this electric switch comprises: multiple electrical switch module, at least one driven unit, and for the coupling device of multiple electrical switch module that is coupled.Each electrical switch module comprises contact assembly and carrier module.Described contact assembly comprises at least one pair of fixed contact for being connected to power supply and electrical load and at least one moving contact for setting up the electrical path between at least one pair of fixed contact.Moving contact described at least one is movable relative at least one pair of fixed contact of correspondence.Carrier module is coupled at least one moving contact and is configured to, relative at least one pair of fixed contact, at least one moving contact is moved to primary importance and the second place.At least one moving contact of first and second positions is opened respectively and is closed the conductive path between corresponding fixed contact.At least one driven unit described selectively provide actuating force with realize multiple electrical switch module at least one in the displacement of carrier module on the first direction of the displacement of at least one moving contact.Described coupling device is coupled multiple electrical switch module, make multiple electrical switch module each in the displacement of each carrier module substantially synchronous, namely, each carrier module in multiple electrical switch module moves minimum relative displacement in the same direction relative to any other carrier module in multiple electrical switch module, makes at least one moving contact in multiple electrical switch module in short time-window intrinsic displacement to the first and second position occurred without bad electric phenomenon.
According to one embodiment of present invention, each electrical switch module is associated with single driven unit.Single driven unit is selected from least one driven unit.Therefore, each electrical switch module comprises the driven unit for realizing carrier module displacement in a first direction.This technical characteristic guarantees that each electrical switch module produces the actuating force for making each carrier module displacement.In this embodiment, coupling device is only for making the displacement synchronous of the carrier module in multiple electrical switch module.
According to another embodiment of the present invention, each electrical switch module comprises the shell structure for holding contact assembly.Because be provided with single housing structure according to each electrical switch module of this technical characteristic, this technical characteristic avoids to be needed manufacture large scale shell structure and be contained in single housing by all element of electric switch, and therefore this technical characteristic advantageously avoid the overall size design specialized molded structure needed according to electric switch.
According to another embodiment of the present invention, at least one driven unit comprises and is configured to produce the drive coil in magnetic field, this drive coil provide actuating force with realize multiple electrical switch module at least one in carrier module displacement in a first direction.This technical characteristic makes easily to use low-voltage circuit to control the operation of electric switch.This low-voltage circuit is from main circuit electrical isolation, and it is opened or closed by electric switch.
According to still another embodiment of the invention, described electric switch comprises further being configured to pass and utilizes drive coil regulating winding electric current to regulate the control module of at least one driven unit.Described control module is the low-voltage circuit with main circuit electrical isolation comparatively speaking, and it is opened by electric switch or closes.Therefore, this technical characteristic advantageously makes easily to utilize relative low-voltage circuit to control the operation of electric switch.Further, single control module is used to make the displacement synchronous of the carrier module in electrical switch module to regulate at least one driven unit to be convenient to.
According to still another embodiment of the invention, electric switch comprise further for realize multiple electrical switch module at least one in carrier module in a second direction the bias unit of displacement.This technical characteristic is convenient to make moving contact return to normal position after removing the actuating force provided by driven unit, that is, often open the open position in electric switch and the make position in normally closed electric switch.
According to still another embodiment of the invention, coupling device is coupled the carrier module in multiple electrical switch module.This technical characteristic guarantees that the displacement of the carrier module in multiple electrical switch module is substantially synchronous, namely, each carrier module in multiple electrical switch module moves minimum relative displacement in the same direction relative to any other carrier module in multiple electrical switch module, makes at least one moving contact in multiple electrical switch module in short time-window intrinsic displacement to the first and second position occurred without bad electric phenomenon.
According to still another embodiment of the invention, each electrical switch module comprises pair of fixed contacts.This technical characteristic is guaranteed can by single-phase electricity air cock module integration to assemble multi-phase electrical switch.
According to still another embodiment of the invention, each electrical switch module comprises three pairs of fixed contacts.This technical characteristic is guaranteed can by three-phase electricity air cock module integration to assemble the electric switch had higher than the electrical power desired by the electric rating of single electrical switch module.
Often pair of fixed contact comprises mains side fixed contact and load-side fixed contact.According to one more embodiment of the present invention, electric switch comprises at least one pair of end plaste further.Often pair of end plaste comprises first terminal plate and the second end plaste.First terminal plate is coupled to multiple mains side fixed contact, and the second end plaste is coupled to corresponding multiple load-side fixed contacts.According to this technical characteristic, end plaste is directly connected with multiple fixed contact.According to this technical characteristic, make the intermediate connection structure between fixed contact and terminal be unnecessary, it uses and introduces extra resistance in conductive path between power supply and load in prior art level.Therefore, this technical characteristic prevents the electrical characteristic deterioration of electric switch.
According to one more embodiment of the present invention, multiple mains side fixed contact and corresponding multiple load-side fixed contacts are selected from the electrical switch module of at least two adjacent positioned.This technical characteristic guarantees that mains side fixed contact and corresponding multiple load-side fixed contacts are connected to power supply and load through best of breed respectively to make the terminal of desired quantity.
According to one more embodiment of the present invention, electric switch comprises substrate.Multiple electrical switch module is arranged on substrate.This technical characteristic guarantee can mechanically by integrated for multiple electrical switch module to form electric switch, each electrical switch module has its independently shell structure.
According to one more embodiment of the present invention, electric switch comprises the top cover for mechanically covering multiple electrical switch module.This technical characteristic guarantees that the various element of the electric switch outside independent case structure mechanically can be covered from external environment condition.
According to electric switch of the present invention advantageously based on modularized design, make the electric rating being realized desired electric switch by the applicable combination of multiple electrical switch module.Single electrical switch module can produce in a large number and the electrical switch module that can combine applicable quantity to realize the electric rating of desired electric switch.Because single electrical switch module can utilize precision instrument and machine to manufacture, so compared with the electric switch of customization the precision of these electrical switch module and reliability obviously higher, the precision of therefore produced electric switch and reliability are also obviously higher.Therefore, the cost for the manufacture of the higher electric switch of electric rating is the invention enables obviously to reduce.Therefore, the invention provides the favourable model's transfer from Custom Design to modularized design, thus technical feasibility and economic feasibility are significantly improved.
Further, the invention enables and easily provide driven unit, this driven unit according to desired for make carrier module multiple electrical switch module each in the actuating force of displacement, only corresponding to one group of electrical switch module selected by being included in electric switch.Owing to providing driven unit in selected one group of electrical switch module, reduce further the total cost of electric switch.
In addition, the various element of assembling needed for electric switch of the present invention of different size can be manufactured based on desired operation electric parameter, such as connecting rod, substrate and top cover.Alternately, these element can also be assembled by less unit based on modularized design.
Accompanying drawing explanation
The present invention is further described hereinafter with reference to the embodiment described by shown in accompanying drawing, wherein:
Figure 1A-1D illustrates one group of element of three-phase electrical switch module according to an embodiment of the invention,
Fig. 2 A-2D illustrates one group of element of the single-phase electrical switch module according to alternate embodiment of the present invention,
Fig. 3 illustrates the perspective view of driven unit according to an embodiment of the invention,
Fig. 4 A-4B illustrates perspective view and the end view of electric switch according to an embodiment of the invention,
Fig. 5 illustrates the front cross-sectional view of electric switch according to an embodiment of the invention,
Fig. 6 illustrates the side cross-sectional, view of electric switch according to an embodiment of the invention,
Fig. 7 illustrates the cross-sectional top view of electric switch according to an embodiment of the invention.
Embodiment
Describe various embodiment with reference to the accompanying drawings, wherein similar Ref. No. is in the text for reference like.In the following description, for illustrative purposes, multiple detail is listed more thoroughly to understand one or more embodiment.Can it is evident that, also can implement these embodiments even without these details.
Figure 1A to 1D illustrates one group of element according to three-phase electrical switch module 100 of the present invention.In particular, Figure 1A illustrates the decomposition view of three-phase electrical switch module 100.Three-phase electrical switch module 100 comprises shell structure 102, contact assembly 104, carrier module 106 and middle cover 108.Shell structure 102 comprises two end walls, 110, two sidewalls 112 and three pairs of grooves 114.Contact assembly 104 comprises three pairs of moving contacts 118.Figure 1B, Fig. 1 C and Fig. 1 D illustrates the perspective view of carrier module 106, end view and decomposition view respectively.Carrier module 106 comprises three carrier 12s 0.Each carrier 12 0 comprises mounting receptacle 122 and coupling socket 124.Middle cover 108 comprises three grooves 126.
Shell structure 102 surrounds a part for contact assembly 104 and carrier module 106.To provide physics and the electrical isolation in the space surrounded by shell structure 102 on the top that middle cover 108 is arranged on shell structure 102.
Shell structure 102 comprises two end walls 110.Each end wall 110 also comprises three pairs of grooves 114.One or more end plaste (not shown) extends internally to be connected to two or more fixed contact 116 by groove 114.Electrical switch module 110, for while assemble multiple electrical switch module 100 according to the present invention, is separated with adjacent electrical switch module 100 by two sidewalls 112 physically, as by composition graphs 4A and Fig. 4 B explain the same.
As previously mentioned, contact assembly 104 comprises three moving contacts 118 of three pairs of fixed contacts 116 and correspondence.
Often pair of fixed contact 116 comprises mains side fixed contact and load-side fixed contact.Mains side fixed contact and load-side fixed contact are arranged on any side of carrier module 106.Mains side fixed contact and load-side fixed contact are connected with input and output end plaste, and these input and output end plastes are then connected with power supply and electrical load respectively, as by composition graphs 4A and Fig. 4 B explain the same.
Each moving contact 118 can displacement relative to the pair of fixed contacts 116 of correspondence, makes, when moving contact 118 contacts fixed contact 116 with this, between power supply and electrical load, to set up conductive path; And when moving contact 118 does not contact fixed contact 116 with this, at the separated conductive path of power supply and electrical load.
Carrier module 106 comprises three carrier 12s 0.Each carrier 12 0 comprises mounting receptacle 122 and coupling socket 124.Carrier 12 0 vertically extends when being assembled in electrical switch module 100.Each carrier 12 0 comprises for receiving and supporting the mounting receptacle 122 of moving contact 118.Carrier 12 0 comprises the coupling socket 124 for being connected bar (not shown) further, makes carrier module 106 to be coupled to driven unit, as will be explained after a while.The part between mounting receptacle 122 and coupling socket 124 of each carrier 12 0 is stretched out from shell structure 102 by the groove 126 in middle cover 108.
Middle cover 108 is arranged on each electrical switch module 100 with the remainder physical isolation of the contact assembly 104 that will be enclosed in shell structure 102 with electric switch 100.Middle cover 108 comprises the one or more grooves 126 extending beyond shell structure 102 at least partially allowing carrier module 106.The part extending beyond shell structure 102 of carrier module 106 is for being coupled to driven unit (not shown) by electrical switch module 100.
Carrier module 106 is configured to, relative to the pair of fixed contacts 116 of correspondence, moving contact 118 is moved to primary importance and the second place.Primary importance can be that moving contact 118 does not contact with corresponding pair of fixed contacts 116, and therefore disconnects this position to the conductive path between fixed contact 116 (open position).Similarly, the second place can be that moving contact 118 contacts with corresponding pair of fixed contacts 116, and therefore sets up this position to the conductive path between fixed contact 116 (make position).
As shown in the figure, the moving contact 118 be arranged in the mounting receptacle 122 of carrier module 106 is aimed at fixed contact 116 with this.After applying actuating force, carrier module 106 experience moves downward and moving contact 118 is contacted with each pair of fixed contact 116, sets up the conductive path between two fixed contacts in often pair of fixed contact 116 thus.When remove actuating force time, bias unit (composition graphs 4A and Fig. 4 B explains by this bias unit) can cause carrier module 106 move upward disconnect the conductive path between two fixed contacts in often pair of fixed contact 116.
Between the moving period of carrier module 106, the groove 126 in middle cover 108 makes easily to maintain carrier module 106 and aims at fixed contact 116, and be correspondingly convenient to maintain moving contact 118 aim at fixed contact 116.
Fig. 2 A to 2D illustrates one group of element according to single-phase electrical switch module 200 of the present invention.In particular, Fig. 2 A illustrates the decomposition view of single-phase electrical switch module 200.Single-phase electrical switch module 200 comprises shell structure 202, contact assembly 204, carrier module 206 and middle cover 208.Shell structure 202 comprises two end walls, 210, two sidewalls 212 and a pair groove 214.Contact assembly 204 comprises a moving contact 218 of pair of fixed contacts 216 and correspondence.Fig. 2 B, Fig. 2 C and Fig. 2 D illustrate the perspective view of carrier module 206, end view and decomposition view respectively.Carrier module 206 comprises carrier 220.Each carrier 220 comprises mounting receptacle 222 and coupling socket 224.Middle cover 208 comprises groove 226.
It is single to fixed contact and single moving contact to support that the various elements used in the three-phase electrical switch module 100 that such as composition graphs 1 is explained are applicable to single-phase electrical switch module 200, as apparent for a person skilled in the art.For simplicity, detailed explanation is not provided.
With reference to three-phase electrical switch module 100, the present invention is described hereinafter.But various embodiment of the present invention as described below is equally applicable to single-phase electrical switch module 200.
Fig. 3 illustrates the perspective view according to driven unit 300 of the present invention.
Driven unit 300 comprises stator assembly and mover assembly.Stator assembly comprises substrate 302, yoke 304 and bobbin 306.Mover assembly comprises keeper 308, armature (anker) 310 and pivot 316.Keeper 308 comprises pivotal arm 312 and coupling arm 314.
Substrate 302 provides the platform installing yoke 304.This yoke 304 then provides support for bobbin 306.Similarly, keeper 308 provides support for armature 310.Pivotal arm 312 is connected with pivot 316.Coupling arm 314 provides the device engaging carrier module 106.As previously mentioned, in an exemplary embodiment of the present invention, connecting rod is used for by coupling socket 224 in conjunction with coupling arm 314 and carrier module 106.Stator assembly and mover assembly are arranged so that yoke 304 and armature 310 are assembled with complimentary fashion well-known in the art.
In various embodiments of the present invention, the yoke design of any appropriate can be adopted.In exemplary embodiment in figure 3, yoke 304 utilizes the laminated sheet of ferrimagnet to build with the form of three leg structures according to known technology.In yoke 304 on leg, bobbin 306 is installed.Therefore, yoke 304 provides mechanical support for bobbin 306, and same for strengthening the magnetic field set up by bobbin 306.
Bobbin 306 comprise be configured to produce magnetic field to provide the drive coil of actuating force to carrier module 210.Magnetic field produces by applying coil current.Therefore, in yoke 304, magnetic flux is set up.Armature 310 is for by providing return path to complete magnetic loop to the magnetic flux in yoke 304.
When not having coil current, mover assembly (especially armature 310) is separated with stator assembly (especially yoke 304) due to bias unit (being explained with Fig. 4 B by composition graphs 4A).The reference by location of mover assembly is open position.When applying coil current, owing to defining magnetic field by yoke 304, armature 310 is magnetically pulled to yoke 304, therefore, mover assembly (being especially armature 310) is mobile towards stator assembly (being especially yoke 304), and armature 310 is contacted with yoke 304.This reference by location of mover assembly is make position.
Because carrier module 210 is coupled to mover assembly by coupling arm 314 and connecting rod, the motion of mover assembly causes carrier module 210 to move to make position from open position corresponding positions.
It should be noted, substrate 302 is optional elements.In alternative embodiments of the present invention, the various element of the driven unit 300 except substrate 302 can in a similar fashion direct-assembling on middle cover 108.
Fig. 4 A and Fig. 4 B illustrates perspective view and the end view of electric switch 400 according to an embodiment of the invention.Electric switch 400 comprises two electrical switch module 100a and 100b, two driven unit 300a and 300b, connecting rod 402, bias spring 404, substrate 406 and top covers 408.Electric switch 400 also comprises input terminal plate 410, outlet terminal plate 412, two dividing plates 414 and control module 416a and 416b (being referenced as control module 416 respectively).
Electric switch 400 is provided for opening the device of the conductive path also between powered-down and electrical load (not shown).
As composition graphs 1 explain, three-phase electrical switch module 100 comprises shell structure 102, contact assembly 104, carrier module 106 and middle cover 108.Shell structure 102 surrounds a part for contact assembly 104 and carrier module 106.To provide physics and the electrical isolation of the various element surrounded by shell structure 102 on the top that middle cover 108 is arranged on shell structure 102.
Driven unit 300 is arranged on middle cover 108, and is coupled to electrical switch module 100.Driven unit 300 provides actuating force to realize the displacement of carrier module 106, to be opened by electric switch 400 and to close conductive path.
As shown in Figure 4 A, driven unit 300a and 300b is coupled respectively to electrical switch module 100a and 100b by connecting rod 402.In the exemplary embodiment, connecting rod 402 is crossed over electrical switch module 100a and 100b and is made connecting rod 402 not only for respectively driven unit 300a and 300b being coupled to electrical switch module 100a and 100b, but also for coupled electric switch module 100, make the displacement of each carrier module 106 in electrical switch module 100a and 100b substantially synchronous.Therefore, connecting rod 402 provides the coupling device of coupled electric switch module 100.In the embodiments of the invention shown in Fig. 4 A, the carrier module 106 in connecting rod 402 coupled electric switch module 100.In alternative embodiments of the present invention, can be coupled with identical technique effect the moveable part of other elements such as driven unit 300.Further, in various alternate embodiment, the bar etc. of the mechanical structure of any appropriate such as section of rectangular slab, any appropriate except circular section (described by Fig. 4 A) can be adopted to carry out coupled electric switch module 100.
In an embodiment of the present invention, as shown in Figure 4 A and 4 B shown in FIG., each electrical switch module 100 is coupled to corresponding driven unit 300.But, in alternative embodiments of the present invention, only have one group of selected electrical switch module 100 to be provided with corresponding driven unit 300.Because the carrier module 106 in residue electrical switch module 100 is coupled to carrier module 106 in one group of selected electrical switch module 100, realize in all electrical switch module 100 that the required motion of carrier module 106 comprises at electric switch 400.
It should be noted, only for clarity, driven unit 300 has been interpreted as the assembly separated outside electrical switch module 100.In various embodiments of the present invention, as described herein, driven unit 300, waits when present, it is contemplated that driven unit 300 forms the major part of the corresponding electrical switch module 100 except contact assembly 104 and carrier module 106.
Bias spring 404 provides bias unit for the mover assembly of driven unit 300 is returned to normal position, and correspondingly carrier module 106 and moving contact 118 is returned to normal position.When electric switch 400 is for often opening, normal position is open position.Similarly, when electric switch 400 is normally closed, normal position is make position.According to exemplary embodiment of the present invention as shown in Figure 4 A, the coupling arm 314 of bias spring 404 engages drive assembly 300.In various alternate embodiment of the present invention, bias spring 404 can be coupled with other movable parts of electric switch 400, such as carrier module 106.
Substrate 406 provides support part, and this strutting piece is used for mounting electrical switch module 100 in a neighboring manner, makes to assemble to form electric switch 400 to electrical switch module 100.According to embodiments of the invention, shell structure 102 is that be included in the level being wherein formed with aperture with vertical edge (or wall).Horizontal edge is used for electrical switch module 100 to be fixed to substrate 406 and vertical edge is used for adjacent electrical switch module 100a and 100b.Substrate 406 can manufacture based on monolithic design or modularized design.In the embodiment of the latter, each single substrate corresponds to the size of single electrical switch module 100, and multiple such substrate such as utilizes nuts and bolt or other similar devices to carry out mechanical bond, to generate the suitable substrate of size 406.
Top cover 408 extends and provides mechanical cover cap for assembling with the various element forming electric switch 400 in the upper part of electric switch 400.Top cover 408 can manufacture based on monolithic design or modularized design, similar with substrate 406 as above.
In the exemplary embodiment shown in Fig. 4 A and Fig. 4 B, three input terminal plates 410 are connected with mains side fixed contact and three outlet terminal plates 412 are connected with load-side fixed contact.End plaste 410 with 412 each be connected with two fixed contacts.Therefore, each of three groups two of electrical switch module 100 adjacent mains side fixed contacts is coupled to input terminal plate 410.Similarly, each of three groups two of electrical switch module 100 adjacent load-side fixed contacts is coupled to outlet terminal plate 412.
During mounting electrical switch 400, electrical cable is fixed to input terminal plate 410 and outlet terminal plate 412 to set up the electrical connection respectively to power supply and electrical load.
Dividing plate 414 is arranged between input terminal plate 410, and is arranged on equally between outlet terminal plate 412 to provide electrical isolation wherein.
Control module 416 is configured to regulate driven unit 300.Control module 416 is the relatively low pressure circuit with main circuit electrical isolation, and this main circuit is is electrically opened or closed by electric switch 400.In the exemplary embodiment, control module 416 is embodied as printed circuit board (PCB) (PCB).Control module 416 synchronously triggers driven unit 300, and helps the motion of the carrier module 106 in synchronous electrical switch module 100 thus.
During operation electric switch 400, control module 416 regulates the coil current in driven unit 300.In order to connect electric switch 300, control module 416 connects the coil current in the drive coil of bobbin 306.
Must should be mentioned that, be only in exemplary purpose and mention printed circuit board (PCB) (PCB).In various alternate embodiment of the present invention, control module 416 can utilize the parts of any appropriate to realize, as apparent to those skilled in the art.
Further, it should be noted, in alternative embodiments of the present invention, multiple control module 416 can be comprised.Such as, each driven unit 300 can be associated with corresponding control module 416.When multiple control module 416, their operation is synchronous.
Actuating force is set up due to coil current.After applying actuating force, the mover assembly of driven unit 300 and therefore carrier module 106 move downward, this moves downward and can be referred to as first direction.As a result, moving contact 118 contacts with each pair of fixed contact 116, sets up the conductive path between two fixed contacts in often pair of fixed contact 116 thus.Subsequently, in order to disconnect electric switch 400, control module 416 disconnects the coil current in the drive coil of bobbin 306.Bias spring 404 can cause the mover assembly of driven unit 300 to move upward, and therefore causes carrier module 106 to move upward.Upwards translational motion can be referred to as along second direction displacement.As a result, the conductive path between two fixed contacts in often pair of fixed contact 116 is disconnected.Therefore, as used herein first and second directions linearly or curved path toward each other.
Between the moving period of carrier module 106, the groove 126 in middle cover 108 makes easily to maintain carrier module 106 and aims at fixed contact 116, and the corresponding moving contact 118 that easily maintains is aimed at fixed contact 116.
In the exemplary embodiment shown in Fig. 4 A and Fig. 4 B, assemble to form electric switch 400 to two electrical switch module 100.It should be noted, the actual quantity assembling the electrical switch module 100 forming electric switch 400 depends on the single rated current of electrical switch module 100 and the rated current desired by electric switch 400.Such as, if each electrical switch module 100 has the electric electric rating of 1000 amperes, and the desired electric rating of electric switch 400 is 4000 amperes, then four electrical switch module 100 can be assembled to form electric switch 400.
Further, it should be noted, the logarithm of the fixed contact that electrical switch module 100 comprises, and the respective amount of moving contact changes as required.In the exemplary embodiment shown in Fig. 4 A and Fig. 4 B, employed electrical switch module 100, each module has three pairs of fixed contacts.Should understand, when the assembling of two or more such three-phase electrical switch module 100 forms electric switch 400, single " phase " of three-phase electrical switch module 100 does not correspond to three phases of power supply, because single " phase " is appropriately combined the electric switch 400 producing desired electric electric rating.In alternative embodiments of the present invention, use electrical switch module 200, each module has single to fixed contact.
As is known in the art, electric switch is divided into open in usual and normally closed type electric switch.It should be noted, electric switch 400 as described herein often opens electric switch.But various embodiment of the present invention is equally applicable to have the normally closed electric switch suitably revised, as apparent to those skilled in the art at the relative position of fixed contact and moving contact.
Fig. 5 illustrates the front cross-sectional view according to electric switch 400 of the present invention.This sectional view is along the 1-1' line shown in Fig. 4 A.
As can be seen from front cross-sectional view, electric switch 400 comprises two electrical switch module 100a and 100b, two driven unit 300a and 300b and connecting rod 402.
Explain various element in detail in conjunction with earlier figures.
Fig. 6 illustrates the side cross-sectional, view according to electric switch 400 of the present invention.This sectional view is along the 2-2' line shown in Fig. 4 A.
Side cross-sectional illustrates the layout of contact assembly 104, especially the pair of fixed contacts 116 that comprises of electrical switch module 100 and moving contact 118, and carrier module 106.
Fig. 7 illustrates the cross-sectional top view according to electric switch 100 of the present invention.This sectional view is along the 3-3' line shown in Fig. 4 A.
As shown in the figure, electrical switch module 100a comprises mains side fixed contact 116a and load-side fixed contact 116a'.Similarly, electrical switch module 100b comprises mains side fixed contact 116b and load-side fixed contact 116b'.Fig. 7 also illustrates input terminal plate 410a, 410b and 410c, and outlet terminal plate 412a, 412b and 412c.
Can find out, input terminal plate 410a is connected with two mains side fixed contact 116a, and input terminal plate 410b is connected with two mains side fixed contact 116a and 116b, and input terminal plate 410c is connected with two mains side fixed contact 116b.Outlet terminal plate 412a, 412b and 412c are coupled to load-side fixed contact 116a' and 116b' in a similar fashion.
As earlier indicated, the embodiment shown in Fig. 4 to Fig. 7 be exemplary in itself and arbitrarily desired quantity electrical switch module 102 can in a similar fashion desired by the single electric rating of electrical switch module 100 or 200 and electric switch 400 electric rating combine.
According to electric switch of the present invention advantageously based on modularized design, the desired electric rating of electric switch is realized by the suitable combination of multiple electrical switch module.Single electrical switch module can produce in a large number and the electrical switch module that can combine suitable quantity to realize the electric switch of desired electric rating.Therefore, the present invention makes easily to manufacture to have the precision of electric characteristic and the operation significantly improved and the electric switch of reliability to a great extent.The present invention makes the manufacturing cost easily reducing the higher electric switch of electric rating further.
Although describe the present invention in detail with reference to some embodiment, should be appreciated that, the invention is not restricted to these embodiments.In view of the present invention, multiple modifications and changes can be presented to those skilled in the art when not deviating from scope and spirit of the present invention.Therefore, scope of the present invention is represented by following claim, instead of is represented by aforementioned description.All changes in the meaning of the equivalence of claim and scope, amendment and changing will be considered as within the scope of it.
Reference numerals list
100 electric contactor modules
102 shell structures
104 contact assemblies
106 carrier modules
108 middle covers
110 end walls
112 sidewalls
114 grooves pair
116 fixed contacts
118 moving contacts
120 carriers
122 mounting receptacles
124 coupling sockets
126 grooves
200 electric contactor modules
202 shell structures
204 contact assemblies
206 carrier modules
208 middle covers
210 end walls
212 sidewalls
214 grooves pair
216 fixed contacts
218 moving contacts
220 carriers
222 mounting receptacles
224 coupling sockets
226 grooves
300 driven units
302 substrates
304 yokes
306 bobbins
308 keepers
310 armature
312 pivotal arms
314 coupling arms
316 pivots
400 electric contactors
100 electric contactor modules
300 driven units
402 connecting rods
404 bias springs
406 substrates
408 top covers
410 input terminal plates
412 outlet terminal plates
414 dividing plates
416 control modules
Claims (25)
1. an electric switch (400), described electric switch (400) comprising:
Multiple electrical switch module (100,200), each described electrical switch module (100,200) comprising:
-contact assembly (104,204), described contact assembly (104,204) at least one pair of fixed contact (116,216) and at least one moving contact (118,218) is comprised, moving contact (118 described at least one, 218) can relative to fixed contact described at least one pair of of correspondence (116,216) displacement, and
-carrier module (106,206), described carrier module (106,206) moving contact (118 described at least one is coupled to, 218) and be configured to, relative to fixed contact described at least one pair of (116,216), moving contact described at least one (118,218) is moved to primary importance and the second place, to disconnect respectively and to set up this to the conductive path between described fixed contact (116,216);
At least one driven unit (300), driven unit described at least one (300) selectively provides actuating force to realize at multiple described electrical switch module (100,200) the described carrier module (106 at least one, 206) displacement on the first direction of described moving contact (118,218) displacement; And
Coupling device (402), for multiple described electrical switch module (100 that is coupled, 200) and described driven unit, make at multiple described electrical switch module (100,200) displacement synchronous of each described carrier module (106,206) in each.
2. electric switch according to claim 1 (400), wherein each described electrical switch module (100,200) be associated with single driven unit (300), described single driven unit (300) is selected from driven unit described at least one (300).
3. electric switch according to claim 1 and 2 (400), wherein each described electrical switch module (100,200) shell structure (102,202) for holding described contact assembly (104,204) is comprised further.
4. electric switch according to claim 1 and 2 (400), wherein driven unit described at least one (300) comprises drive coil (306), described drive coil is configured to produce magnetic field, to realize at multiple described electrical switch module (100,200) described carrier module (106, the 206) displacement in said first direction at least one.
5. electric switch according to claim 3 (400), wherein driven unit described at least one (300) comprises drive coil (306), described drive coil is configured to produce magnetic field, to realize at multiple described electrical switch module (100,200) described carrier module (106, the 206) displacement in said first direction at least one.
6. electric switch according to claim 1 and 2 (400), comprises the control module (416) being configured to regulate described driven unit (300) further.
7. electric switch according to claim 5 (400), comprises the control module (416) being configured to regulate described driven unit (300) further.
8. electric switch according to claim 1 and 2 (400), comprise bias unit (404) further, for realizing at multiple described electrical switch module (100,200) described carrier module (106, the 206) displacement in the second direction relative with described first direction at least one.
9. electric switch according to claim 7 (400), comprise bias unit (404) further, for realizing at multiple described electrical switch module (100,200) described carrier module (106, the 206) displacement in the second direction relative with described first direction at least one.
10. electric switch according to claim 1 and 2 (400), wherein said coupling device (402) is coupled the described carrier module in multiple described electrical switch module (100,200).
11. electric switches according to claim 9 (400), wherein said coupling device (402) is coupled the described carrier module in multiple described electrical switch module (100,200).
12. electric switches according to claim 1 and 2 (400), wherein said coupling device (402) comprises connecting rod (402).
13. electric switches according to claim 11 (400), wherein said coupling device (402) comprises connecting rod (402).
14. electric switches according to claim 1 and 2 (400), wherein each described electrical switch module (100,200) each described contact assembly (104,204) comprises fixed contact described in a pair (116,216).
15. electric switches according to claim 13 (400), wherein each described electrical switch module (100,200) each described contact assembly (104,204) comprises fixed contact described in a pair (116,216).
16. electric switches according to claim 1 and 2 (400), wherein each described electrical switch module (100,200) each described contact assembly (104,204) comprises three to described fixed contact (116,216).
17. electric switches according to claim 13 (400), wherein each described electrical switch module (100,200) each described contact assembly (104,204) comprises three to described fixed contact (116,216).
18. electric switches according to claim 1 and 2 (400), wherein often pair of described fixed contact (116, 216) mains side fixed contact (116 is comprised, 216) and load-side fixed contact (116, 216), and wherein said electric switch (400) comprises at least one pair of end plaste further, often pair of described end plaste comprises and is coupled to multiple described mains side fixed contact (116, 216) first terminal plate (410) and be coupled to corresponding multiple described load-side fixed contact (116, 216) the second end plaste (412).
19. electric switches according to claim 17 (400), wherein often pair of described fixed contact (116,216) mains side fixed contact (116 is comprised, 216) and load-side fixed contact (116,216), and wherein said electric switch (400) comprises at least one pair of end plaste further, often pair of described end plaste comprises and is coupled to multiple described mains side fixed contact (116,216) first terminal plate (410) and be coupled to second end plaste (412) of corresponding multiple described load-side fixed contact (116,216).
20. electric switches according to claim 18 (400), wherein multiple described mains side fixed contact (116,216) and corresponding multiple described load-side fixed contact (116,216) the described electrical switch module (100,200) of at least two adjacent positioned is selected from.
21. electric switches according to claim 19 (400), wherein multiple described mains side fixed contact (116,216) and corresponding multiple described load-side fixed contact (116,216) the described electrical switch module (100,200) of at least two adjacent positioned is selected from.
22. electric switches according to claim 1 and 2 (400), comprise the substrate (406) for installing multiple described electrical switch module (100,200) further.
23. electric switches according to claim 21 (400), comprise the substrate (406) for installing multiple described electrical switch module (100,200) further.
24. electric switches according to claim 1 and 2 (400), comprise the top cover (408) for providing mechanical cover cap further.
25. electric switches according to claim 23 (400), comprise the top cover (408) for providing mechanical cover cap further.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2011/063691 WO2013020585A1 (en) | 2011-08-09 | 2011-08-09 | Modular electrical switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103635985A CN103635985A (en) | 2014-03-12 |
| CN103635985B true CN103635985B (en) | 2016-02-03 |
Family
ID=44630504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180072063.2A Expired - Fee Related CN103635985B (en) | 2011-08-09 | 2011-08-09 | Modular electrical switch |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2691970B1 (en) |
| KR (1) | KR101700657B1 (en) |
| CN (1) | CN103635985B (en) |
| BR (1) | BR112014002862B1 (en) |
| WO (1) | WO2013020585A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102018314B1 (en) * | 2019-02-25 | 2019-09-04 | 이응상 | Time switch |
| KR20200126278A (en) * | 2019-04-29 | 2020-11-06 | 엘에스일렉트릭(주) | Bidirectional Solid State Circuit Breaker |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1130498B (en) * | 1960-06-28 | 1962-05-30 | Siemens Ag | Device for the mutual mechanical locking of contactors |
| DE4030333A1 (en) * | 1989-09-25 | 1991-04-04 | Mitsubishi Electric Corp | ELECTROMAGNETIC SWITCHING |
| CN101978454A (en) * | 2008-04-01 | 2011-02-16 | 西门子公司 | Magnetic chamber for an electromagnetic low voltage switching device and electromagnetic low voltage switching device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6476697B2 (en) * | 2000-01-18 | 2002-11-05 | Kilovac Corporation | Modular multi-phase contactor |
| US20020158729A1 (en) * | 2001-04-25 | 2002-10-31 | Sudarshan Allada | Electromagnetic contactor and method for eliminating errors in assembling the same |
-
2011
- 2011-08-09 BR BR112014002862A patent/BR112014002862B1/en not_active IP Right Cessation
- 2011-08-09 WO PCT/EP2011/063691 patent/WO2013020585A1/en active Application Filing
- 2011-08-09 KR KR1020147006410A patent/KR101700657B1/en active IP Right Grant
- 2011-08-09 CN CN201180072063.2A patent/CN103635985B/en not_active Expired - Fee Related
- 2011-08-09 EP EP11745754.9A patent/EP2691970B1/en not_active Not-in-force
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1130498B (en) * | 1960-06-28 | 1962-05-30 | Siemens Ag | Device for the mutual mechanical locking of contactors |
| DE4030333A1 (en) * | 1989-09-25 | 1991-04-04 | Mitsubishi Electric Corp | ELECTROMAGNETIC SWITCHING |
| CN101978454A (en) * | 2008-04-01 | 2011-02-16 | 西门子公司 | Magnetic chamber for an electromagnetic low voltage switching device and electromagnetic low voltage switching device |
Also Published As
| Publication number | Publication date |
|---|---|
| BR112014002862B1 (en) | 2020-04-07 |
| CN103635985A (en) | 2014-03-12 |
| BR112014002862A2 (en) | 2017-02-21 |
| EP2691970A1 (en) | 2014-02-05 |
| EP2691970B1 (en) | 2018-01-10 |
| KR20140063683A (en) | 2014-05-27 |
| KR101700657B1 (en) | 2017-02-13 |
| WO2013020585A1 (en) | 2013-02-14 |
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