CN103779141B - A kind of electric contact piece and with auxiliary switch thereon and control circuit assembly - Google Patents
A kind of electric contact piece and with auxiliary switch thereon and control circuit assembly Download PDFInfo
- Publication number
- CN103779141B CN103779141B CN201310492455.5A CN201310492455A CN103779141B CN 103779141 B CN103779141 B CN 103779141B CN 201310492455 A CN201310492455 A CN 201310492455A CN 103779141 B CN103779141 B CN 103779141B
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- housing
- electric
- control circuit
- component
- contact piece
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Abstract
A kind of for electric contactor field changeable auxiliary switch and control circuit assembly, comprise a framing component that can be inserted into, and can remove from the inside of an electric contactor housing and opening.Be installed to a circuit board for described framing component, and there is the control circuit be formed thereon.That this assembly can also comprise the first electric connector in a contactor housing arranged and be installed to the second electric connector of circuit board, this circuit board has one or more electric contact can be positioned in described first electric contactor, this first point-contactor and an electromagnet and/or solenoid electric connection.
Description
Technical field
The present invention relates to electric contact piece, relate more specifically to a kind of electric contact piece comprising the control circuit of switching power circuit, and more particularly vacuum contactor.More particularly, the invention belongs to for replacing on control circuit and electric contact piece and the device of circuit board of electrical contact or method.
Background technology
In prior art, comprise vacuum contactor, auxiliary contactor is installed to the outside of the housing of contactor.Adopt known solder technology by control circuit Hard link to a solenoid.Therefore, circuit board and auxiliaring shell protuberance and electrical contact have loaded down with trivial details installation.In addition, before contacting unsuccessfully, the usually failure or burn other assemblies of control circuit or auxiliaring shell.This is usually difficult to determine whether is auxiliary equipment, control circuit, or the fault of magnetic coil.Therefore, whole electric contact piece is replaced sometimes.In addition, whole device can be replaced, and if necessary, has more or less auxiliary switch, with the Switching Power Supply of the contactor revised.Change electric power system or the operation cost of electrical network that whole electrical contact increases, because this is not only the cost that a complete contact unit produces, but power supply temporary close thus changed whole device.
Summary of the invention
The present invention can change the circuit board/auxiliary switch assembly broken down at the scene, it is made to be easy to as an assembly, and without the need to changing whole electric contact piece, or according to the demand of power stage, the necessary upgrade or downgrade of mains switch ability, integrated control circuit board is easy to change.A kind of electric contact piece for switching power circuit, wherein, comprise: housing, wherein, multiple electric component is placed in described housing and is connected with described housing, and described electric component comprises at least one solenoid, the opening in described housing and be arranged on the internal capacity of the described housing between described opening and described solenoid; Be arranged on the first electric connector in described housing, described first electric connector and described solenoid are electrically connected; Auxiliary switch and control circuit assembly, is characterized in that, comprise; Removably be fixed on the framing component of the described opening of housing upper face; One circuit board being arranged on framing component, for supporting a control circuit; And one is installed to the second electric connector on circuit board, and there is one or more electric contact piece, and described second electric connector coordinates with the first electric connector described in described housing, described second electric connector is provided in the electrical connection between described control circuit and described solenoid.
In one embodiment of the invention, the first electric connector can be the projection on the lateral edges of the circuit board with one or more electric contact.This projection is positioned in the second connector, this second connector can be that a hexagon socket head in contactor housing is in order to be provided in the electric connection between control circuit and the solenoid of electric contact piece, in another embodiment, first connector is connected to described circuit board and described the second connector being attached to electric wire, but this first connector is not fixed in housing, and can be picked up and be operated the installation joining the first and second connector assemblies.
In addition, framing component can have a power input, described power input is electrically connected with control circuit, multiple auxiliary switches on circuit boards activate and are closed and open, thus this control circuit that activates respectively and stop using, with multiple auxiliary terminal with auxiliary switch electric connection, this auxiliary switch is for monitoring the power stage of contactor.
Accompanying drawing explanation
Below the explanation of accompanying drawing place of the present invention view:
Fig. 1 is the first perspective view of the vacuum contactor of each side according to the inventive subject matter.
Fig. 2 is the second perspective view of the vacuum contactor shown in Fig. 1, and described vacuum contactor has mounted detachable auxiliary switch and control circuit assembly.
Fig. 3 is the decomposition view according to the vacuum contactor housing in each aspect of the present invention.
Fig. 4 is the side perspective view of the inside of electric contact piece, and auxiliary switch contact assembly and solenoid are accommodated in wherein.
Fig. 5 is the auxiliary switch of the first embodiment and the perspective view of control circuit assembly, shows control circuit board and auxiliary switch.
Fig. 6 is the auxiliary switch of the second embodiment and the perspective view of control circuit assembly, shows control circuit board and auxiliary switch part.
Fig. 7 is the auxiliary switch of the second embodiment and the perspective view of control circuit assembly, shows auxiliary terminal.
Fig. 8 is the perspective view of auxiliary switch and the control circuit assembly taken off from housing.
Fig. 9 is the cutaway view of electric contact piece, shows the auxiliary switch being arranged on contactor and the control circuit of the first embodiment.
Figure 10 is the cutaway view of electrical contact, the installation showing the second embodiment auxiliary switch on the contactor and control circuit.
Figure 11 is the partial, exploded perspective view of the bolt for being arranged on contact bus.
Embodiment
See figures.1.and.2, shown vacuum contactor 10 comprises collecting contact bus 30 in a housing 12, spring, Dewar bottle assembly 47, solenoid 46, core 48, Deng, this housing 12 comprises one first housing parts 12A, wherein contact bus 30 and Dewar bottle assembly 47 are by described housings support, and second housing part 12B, wherein, the control circuit board 22 and 21 (it can be an integrated control circuit) of control circuit, solenoid 46 and core 48 are supported by described second housing part.Control circuit 21 and control circuit board 22 are positioned at the shell 12 of Part II 12B, and described control circuit is electrically connected in order to open and close the operation contacting bus 30 with control circuit board and solenoid 46, and this those skilled in the art is yes.
Shown vacuum contactor 10 comprises an auxiliary switch and control circuit assembly 14 (also can be referred to herein as " assembly 14 ") is installed to vacuum contactor 10 in fig. 2, to open and close contact bus 30 and to provide the auxiliary operation exported for monitoring vacuum contactor 10.More specifically, contact-making switch assembly 14 comprises power input terminal 16 and multiple auxiliary terminal 18, as explained in more detail below, and disposable according to some operating parameter of vacuum contactor 10 of this assembly 14., such as, if the Switching Power Supply of contactor 10 must upgrade or downgrade or, such as, if must change control circuit board 22, assembly 14 is easily removed by another assembly and is replaced.
In one embodiment of the invention, the first housing parts 12A comprises mid portion 34, and it is detachably fixed to described second housing part 12B, and bus 30 on the housing and Dewar bottle assembly 47 are supported by described second housing part.First housing parts 12A also comprises a lid 36, and it is detachably fixed to mid portion 34 and covers the assembly supported by mid portion 34.As shown in Figure 3, mid portion 34 preferably includes inner panel 38 and arranges respectively between adjacent contact bus 30.Lid 36 comprises inner panel 40, and wherein said inner panel comprises passage 40A and is configured to dash receiver 38, and time on mid portion 34, lid 36 is mounted.Further as Figure 1-Figure 4, lid 36 also comprises outside plate 44, and described inner panel has the advantage of shorter length 40, and more detailed explanation reference vacuum contactor 10 is installed to the details of inner panel.
Please note, housing 12 in one embodiment, comprise the first housing section 12A (mid portion 34, lid 36 and panel 38,40) and all component of second housing part 12B be made up of glass-filled thermosets, as the thermosetting polyester of the glass-filled of 30%, it provide the insulation property of electrical insulating property and temperature.Use as injection mo(u)lding, rotational forming, the known moulding process such as extrusion molding, housing 12 and its assembly can be manufactured.
Same shown in Fig. 1-3, described second housing part 12B comprises installation foot 32 (also can be called support), is configured to receive securing member, as bolt, encloses the installation of vacuum contactor 10 for surface at groove 32A.Installation foot 32 also can be one-body molded with described second housing part 12B.In addition, installation foot 32 can be independent element, is formed in the pedestal on a second housing part 12B, and in addition, the end plate 44 on lid 36 is shorter in length than plate 40, and general concordant with medial ends the 34th.Utilize this configuration, user more easily can enter the securing member for installing or remove electric contact piece 10 at installation foot 32.In addition, a part for each installation foot 32, relative to the side lateral shift of shell 12, arranges adjacent contactinterval 10 in order to provide.In addition, installation foot 32 has the groove 32A of the assemblage gap that this configuration allows.
As shown in Figure 4, remove the second housing part 12B obtained shown in mid portion 34 and lid and show mechanical shaft 55.Lever 55 is rotatable in housing 12, and be operably connected to Dewar bottle assembly 47 and/or contact bus, when it opens and closes, power supply inputs to contactor 10.Contact bus 30 makes bar pivotable, and contact auxiliary switch 24 (with reference to figure 5 and Fig. 6) switch 24 cutting out or open is in response to the pivoting action of the bus 30 contacted.
Relative to Fig. 5-7, contact-making switch assembly 14 comprises a support frame 20, is provided with assembly 14 thereon.Except support terminals 16 and 18, control circuit board 22 and auxiliary switch 24 are installed to support frame 20.Securing member 26 (Fig. 2), as bolt, is fixed on the assembly 14 on shell 12.Although, be not shown specifically, control substrate 22 and comprise a control circuit 21, the power stage of this control circui vacuum contactor 10, and for monitoring the auxiliary object exported.This circuit is sometimes referred to as the energy-saving circuit of those skilled in the art, and Design and Features is wherein known in those skilled in the art.
Afterwards, as illustrated in figs. 8-10, when housing 12 is the openings 28 be assembled in completely between the mid portion 34 of housing and second housing part 12B, they limit internal capacity 50 together at least in part to being arranged on the shell 12 between opening 28 and solenoid 46 being inserted in assembly 14, hole 52 on scaffold 20 is aligned in order to receive securing member 26 on second housing part 12B with hole, and this securing member is in order to fixed support framework 14 and the assembly on shell 12.The size of framework 20 abuts relative to the volume of the housing parts 12B of described second housing part 12B, to coordinate the surface of second housing 12B closely.
As shown in Figure 5, a plug 40 is comprised at the circuit board 22 of one embodiment of the present of invention, or boss (it is also referred to as an electric connector or second electric), it is arranged on the lateral edges of circuit board 22, and comprise one or more electric contact piece 42 in order to be provided in circuit board 22 and the control circuit 21 on solenoid 46 in order to when opening and closing the bus 30 contact, provide and be energized or off-position.More specifically, as shown in Figure 9, when assembly 14 is inserted into shell 12, a socket or joint connector 43 (the first electric connector) are aimed at and be positioned to the plug 40 of second housing part 12B, this electric connector is installed in a fixing position, namely in shell 12.This joint 43 comprises control circuit 21, electromagnet and/or the solenoid 46 of corresponding electric contact piece and connecting line electrical connection.
Shown in Figure 6 in another embodiment, the first electric connector 62 is arranged in housing 12, and is connected to electric wire 64, and the latter is connected to solenoid 46.Assembly 14 comprises second electric connector 60 and is connected to electrical lead on electric circuit board 22.In the present embodiment, when assembly 14 is installed in a connector 62, and due to it be the surface not being fixed on housing, operator can coordinate or add the first and second connectors 62,60 and assembly 14 is inserted into the peristome 28 above housing 12.
At control circuit 21, or the parts of other contact-making switch group, lost efficacy and maybe may affect the performance of contactor 10, assembly 14 from shell 12 and/or second housing part 12B deleted.Another assembly 14, is then inserted in the housing 12 of opening 28 and securing member 26 for fixing contact-making switch assembly 14 to shell 12.Or if must change the Switching Power Supply of vacuum contactor, this assembly is easy to dismounting and changes.By way of example, assembly 14 may be different from the switching function of another power supply, so an assembly 14 can comprise two auxiliary switches often opened, and two normally closed auxiliary switches and a common switch.Although other assemblies may comprise three often drive auxiliary switch, three normally closed auxiliary switches and a common switch, may comprise another assembly 14, it comprises opens auxiliary switch usually, four normally closed auxiliary switches and a common switch.
As illustrated at Fig. 5-7 further, component framework 20 has staggered configuration, and wherein, described circuit board 22 is nested in top or the outstanding low first order 20A at second level 20B, and terminal 16,18 is wherein arranged on the described second level.Therefore, terminal 16,18 relative to the first housing level 20A and the first housing parts 12A, to protect terminal 16,18, and the electrical connection under environmental condition.For this purpose, be coated over the first framework level 20A and circuit board 22 in the size of the first housing parts 12A, in order to protect the parts of assembly 14.
Once installation component 14, power line and boost line are connected to respective terminal 16,18.Power supply is input to vacuum contactor 10 and solenoid 46 by plug 40 or electric connector 60,62, and fill and can produce magnetic field by solenoid 48, actuator lever (Dewar bottle assembly), this is connected to bar 55.Open the bus 30 of contact and the bar 55 pivotable connecting rod 52 of arm 54, close auxiliary contactor switch 24.When power supply input stops contact bus 30, the relative displacement of the pivotal arm 54 of lever 55 causes switch opens switch 24.
Relative in Figure 11, contactor 10 illustrates bolt 70 and removes bus 30 and groove 72 at six-sided nut 74 is shown.Pocket 72 has a corresponding nut 74, and the surface of such pocket 72 and nut 74 are connected to the interface of bus 30.More specifically, the electric wire between bus 30 and a packing ring 76 connects, when bolt 70 inserts the screw-threaded engagement of through hole 78 and nut 74.By this way, can connecting structure for electrical equipment be made, and not process nut 74, fall into this nut 74 awkwardly.In view of the pocket 72 of hexagonal shape, nut 74 prevents nut 74 from rotating at bolt 70 with the interface surface of pocket 72, and can be put in place by screwed tight.
Although the preferred embodiments of the present invention have illustrated and described, this will be obvious, the restriction of these embodiments, instead of only by providing in embodiment.When those skilled in the art do not depart from instruction of the present invention, multiple change will be there is, and change and replace.Therefore, object of the present invention and all spirit and protection range, explained in claims of the present invention.
Claims (22)
1. for an electric contact piece for switching power circuit, it is characterized in that, comprising:
Housing, wherein, multiple electric component is placed in described housing and is connected with described housing, and described electric component comprises at least one solenoid,
Opening in described housing and be arranged on the internal capacity of the described housing between described opening and described solenoid;
Be arranged on the first electric connector in described housing, described first electric connector and described solenoid are electrically connected;
Auxiliary switch and control circuit assembly, is characterized in that, comprise;
Removably be fixed on the framing component of the described opening of housing upper face;
One circuit board being arranged on framing component, for supporting a control circuit; And
One is installed to the second electric connector on circuit board, and there is one or more electric contact piece, and described second electric connector coordinates with the first electric connector described in described housing, described second electric connector is provided in the electrical connection between described control circuit and described solenoid.
2. described electric contact piece according to claim 1, is characterized in that, multiple auxiliary switch to be installed on described framing component and to be connected on described circuit board, and described control circuit and described auxiliary switch are arranged in the internal capacity of described housing.
3. described electric contact piece according to claim 2, it is characterized in that, described housing has an opening, and described opening can be inserted through described framing component and described internal capacity at least in part, and described control circuit and described auxiliary switch are arranged between described opening and solenoid.
4. electric contact piece according to claim 3, it is characterized in that, the framework of described auxiliary switch and control circuit assembly have first component and the second component that is supported described circuit board, and described second component is relative to the internal capacity of the inside lateral shift of described first component towards described housing.
5. electric contact piece according to claim 4, is characterized in that, a power supply terminal and multiple auxiliary terminal are installed on the second component on described framing component.
6. electric contact piece according to claim 3, it is characterized in that, described housing comprises a Part I, multiple bus contact point is included in described Part I, and the Part I of described housing is installed to a Part II, described Part II comprises and is inserted through opening between described framing component and described internal capacity to described housing, and described framing component is the Part II being detachably fixed to described housing.
7. electric contact piece according to claim 6, also comprise and be multiplely at least partially contained within isolated in shell and the bus contact be parallel to each other point, described housing comprises multiple panel, described multiple panel comprises the Part I of the shell on two exterior panels, and each exterior panel is disposed in the outward flange of respective bus contact point, and the inner panel on the Part I of one or more housing, described inner panel is arranged between described bus contact point, and described inner panel is longer than described exterior panel.
8. described electric contact piece according to claim 7, it is characterized in that, the Part I of described housing comprises a shell mid portion and is fixed on the dismountable lid of mid portion, described intermediate member is arranged between the Part II of described lid and described housing, and described lid and inner panel and the exterior panel on described casing cover, and described mid portion is provided with multiple inner panel, described inner panel is located in the corresponding groove in the inner panel that covers.
9. electric contact piece according to claim 1, it is characterized in that, described housing has the base of a rectangle and described electric contact piece comprises further: a mounting bracket, be positioned at each corner of base, each mounting bracket has the horizontal outwards side-play amount edge relative to the surface of base to provide the spacing between predetermined adjacent electric contact piece.
10. electric contact piece according to claim 1, is characterized in that, described second electric connector is a protrusion along the lateral edges of described circuit board, and described first electric connector is the socket on the surface be installed in the internal capacity of described housing.
11. electric contact pieces according to claim 1, is characterized in that, described second electric connector is installed to circuit board and described first electric connector is connected on electric wire, instead of is fixed to the surface in the internal capacity of described housing.
12. according to the electric contact piece described in claim 1, also comprise multiple contactor bus and there is the hole that a bolt is inserted through, describedly be bolted to a nut, for the electric wire of fixed contact bus, it is characterized in that, described housing comprises a bag, nut is fixed in described bag, and described bag has the structure of corresponding nut geometric configuration, thus described fixing described nut, when bolt is screwed in described bag, prevent nut from rotating.
13. 1 kinds of field changeable auxiliary switches for electric contact piece and control circuit assembly, have and be multiplely received electric component in the housing and described electric component is operably connected to switching power circuit, the electric connector that described electric component comprises at least one solenoid and is electrically connected with solenoid, auxiliary switch and control circuit assembly comprise:
Be detachably fixed to the framing component on the opening in the wall of housing,
For the circuit board be arranged on framing component of control circuit supported;
Electric connector on circuit boards has one or more electric contact piece, and electric connector on circuit boards and the electrical connection provided between control circuit and solenoid, electric connector in the housing coordinates.
14. assemblies according to claim 13, is characterized in that, multiple auxiliary switch to be installed on described framing component and to be connected on described circuit board, and described control circuit and described auxiliary switch are arranged in the internal capacity of described housing.
15. assemblies according to claim 14, it is characterized in that, described housing has an opening, and framing component at least can partly insert through described opening, and the circuit board in described internal capacity, control circuit and auxiliary switch are arranged between opening and solenoid.
16. assemblies according to claim 15, it is characterized in that, the framework of described auxiliary switch and control circuit assembly has the first component and second component of supporting described circuit board, and described second component is relative to the internal capacity of the inside lateral shift of described first component towards described housing.
17. assemblies as claimed in claim 16, it is characterized in that, power supply terminal and multiple auxiliary terminal are installed to the second component on framing component.
18. 1 kinds of field changeable auxiliary switches for electric contact piece and control circuit assembly, comprising:
A framing component that can insert from the inside of an opening and electric contact piece housing and remove;
One circuit board being arranged on framing component, and described circuit board supports described control circuit; And,
One electric connector, be positioned on described circuit board, described electric connector has one or more electric contact piece, and the electric connector that described electric connector can be arranged within electric contact piece housing with another coordinates.
19. assemblies according to claim 18, is characterized in that, described framing component has a upper strata of a support circuit plate, and a lower floor, and described lower floor is relative to first component lateral shift, and described upper strata is suspended from described lower floor.
20. assemblies according to claim 19, also comprise a power input terminal in the lower floor of described framing component, described power input terminal and described control circuit are electrically connected.
21. assemblies according to claim 20, is characterized in that, also comprise multiple auxiliary switch, multiple auxiliary switch is positioned on circuit board, they are installed to the upper strata of described frame parts, and are close actuatably and open, in order to each self-activation and described control circuit of stopping using.
22. assemblies according to claim 21, also comprise multiple auxiliary terminal on described second framing component, described auxiliary terminal and described auxiliary switch are electrically connected.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261715899P | 2012-10-19 | 2012-10-19 | |
| US61/715,899 | 2012-10-19 | ||
| US14/057,258 | 2013-10-18 | ||
| US14/057,258 US20140133109A1 (en) | 2012-10-19 | 2013-10-18 | Field replaceable auxiliary switch and control circuit assembly for an electrical contactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103779141A CN103779141A (en) | 2014-05-07 |
| CN103779141B true CN103779141B (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310492455.5A Expired - Fee Related CN103779141B (en) | 2012-10-19 | 2013-10-21 | A kind of electric contact piece and with auxiliary switch thereon and control circuit assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103779141B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319124B (en) * | 2014-10-20 | 2016-08-24 | 西安爱尔发开关有限公司 | The special auxiliary switch of vacuum contactor-fuse combined electric appliance |
| CN105428100B (en) * | 2015-12-17 | 2017-06-06 | 伟成电器有限公司 | A kind of auxiliary switch |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3878489A (en) * | 1974-03-28 | 1975-04-15 | Square D Co | Electromagnetic relay having a printed circuit board connection between the contacts and radio type plug-in connector |
| US5576676A (en) * | 1995-03-25 | 1996-11-19 | Allen-Bradley Company, Inc. | Base plate module for an electromagnetic switching device specifically of a contactor |
| CN102194604A (en) * | 2010-03-13 | 2011-09-21 | 昆山瑞普电气有限公司 | Improved structure of terminal of alternating current vacuum contactor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5168128B2 (en) * | 2008-02-20 | 2013-03-21 | 株式会社デンソー | Electromagnetic switch |
| JP5104599B2 (en) * | 2008-06-30 | 2012-12-19 | オムロン株式会社 | Electromagnetic switchgear |
-
2013
- 2013-10-21 CN CN201310492455.5A patent/CN103779141B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3878489A (en) * | 1974-03-28 | 1975-04-15 | Square D Co | Electromagnetic relay having a printed circuit board connection between the contacts and radio type plug-in connector |
| US5576676A (en) * | 1995-03-25 | 1996-11-19 | Allen-Bradley Company, Inc. | Base plate module for an electromagnetic switching device specifically of a contactor |
| CN102194604A (en) * | 2010-03-13 | 2011-09-21 | 昆山瑞普电气有限公司 | Improved structure of terminal of alternating current vacuum contactor |
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| Publication number | Publication date |
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| CN103779141A (en) | 2014-05-07 |
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Granted publication date: 20151223 Termination date: 20171021 |