CN201758097U - Permanent magnet vacuum unidirectional switch and multifunctional combined switch provided with the same - Google Patents
Permanent magnet vacuum unidirectional switch and multifunctional combined switch provided with the same Download PDFInfo
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- CN201758097U CN201758097U CN2010201286696U CN201020128669U CN201758097U CN 201758097 U CN201758097 U CN 201758097U CN 2010201286696 U CN2010201286696 U CN 2010201286696U CN 201020128669 U CN201020128669 U CN 201020128669U CN 201758097 U CN201758097 U CN 201758097U
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Abstract
The utility model relates to a permanent magnet vacuum unidirectional switch and a multifunctional combined switch provided with the same. The permanent magnet vacuum unidirectional switch comprises a housing, a vacuum disconnector, and a permanent magnet driving mechanism. The vacuum disconnector comprises a static contact and a dynamic contact. The static contact and the dynamic contact can be closed through the driving of the permanent magnet driving mechanism, and the permanent magnet driving mechanism comprises an insulator. An opposite force spring used for driving the own body to move is sleeved on the dynamic contact, which is movably cooperated with the insulator. The dynamic contact and the static contact are driven to close by the permanent magnet driving mechanism through the insulator. The dynamic contact and the insulator are in a movable cooperation without any direct contact, and can find the concentric point automatically by the closed state, thereby the problems of wearing and unsmooth contact surface can be prevented. The combined switch can control the connection and disconnection of a plurality of the permanent magnet vacuum unidirectional switches through a controller, thereby the combined switch has functions of disconnector, contactor, contactor direction invertion, disconnector and contactor, and disconnector and contactor direction invertion. The utility model can satisfy the electrical requirements of different equipments and has wide application.
Description
Technical field
The utility model relates to a kind of single-way switch that utilizes permanent magnet mechanism to drive, particularly a kind of permanent magnetism vacuum single-way switch.
In addition, the utility model also relates to the multi-functional unit switch that this permanent magnetism vacuum single-way switch is installed.
Background technology
In the prior art, flame-proof switch starter contactor under the coal mine, feeding switch circuit breaker.Be divided into magnetic force and permanent magnetism driving when contactor and circuit breaker action.It is to be made of the magnetic driving mechanism drive switch connecting rod or the actuator that wins in succession.The starter feeding switch is two kinds of switches that purposes is different.
China's utility model patent Granted publication number is CN201256088Y, name is called " a kind of circuit breaker ", a kind of circuit breaker is disclosed, comprise switching tube, the insulator that is connected with switching tube, permanent magnet mechanism, described insulator is provided with guide post and touches heart spring, the described heart spring housing that touches is contained on the guide post, the part of described guide post and touch heart spring and embed in the permanent magnet mechanism, guide post part and touching in the cavity that heart spring stretches into permanent magnet mechanism, guide post links together by pull rod shaft with moving iron core, insulator and permanent magnet mechanism directly are fixed together, its advantage is: simple in structure, cost reduces, easy to operate, deterioration reduces, the circuit breaker height reduces, be fit to multiple applications circuit breaker easy to connect.When the protection action, because action data and clock error can cause the switch of this action to be failure to actuate; Should not but move by step switch.This is mainly because starter is to be connected in series to cause with feeding switch in the line.Switch connecting rod actuator is because of the down-hole high humidity, and connecting rod actuator gets rusty and causes tripping.The starter feeding switch is because of producing and alignment error, cause arc control device contact decentraction, and since insulator and permanent magnet mechanism directly be fixed together, permanent magnet mechanism again with vacuum circuit-breaker in the movable contact end directly be fixed together, the contact-making surface injustice that causes vacuum tube, the mounting process complexity when closed, causes vacuum tube wear damage and movable contact end and stationary contact end closed fully situation not to occur easily.
For unit switch, along with the continuous development of mining level, the modernization level of coal mining is more and more higher, and the coal excavation apparatus power demand is increasing.In underground work, the colliery is underground power supply used to be the vertical complicated problems of a mistake, especially getting working face, along with the high-power coal excavation apparatus of high-yield and high-efficiency is increasing, supply power voltage originally can not be fit to, rise to 660V by the earliest 380V, the eighties rises to 1.14KV, and earlier 1900s rises to 3.3KV.Though 380V disappears substantially in big ore deposit, 660V, 1.14KV, 3.3KV, 127V illuminating line coexist under coal mine.Such as, coal-winning machine, drag conveyor power are the 3.3KV power supply mostly, and emulsification pump, disintegrating machine, elevating conveyor adopt 1.14KV or 660V power supply, and atomizing pump, water pump mostly are the 660V power supplies.To getting working face, the cable of different electric pressures and the transformer of different voltages and other power supply unit are very many from down-hole 6KV/10KV central substation.Cable fault has an accident and accounts for 45% of whole power supply unit accident under the existing well, and the occupation of land space of working face is big, and this brings inconvenience for management and safety in production.Floor space is big, cost is high, installation and constructional difficulties output loop are few, and bad adaptability becomes the problem that switch exists under the present ore deposit.
As State Intellectual Property Office in the 2009.05.13 Granted publication, the patent No. is the utility model patent of CN200820078282.7, relates to the explosion-proof electrification field of switches under the coal mine, specifically is a kind of mining distribution and multichannel control integral switch.This switch comprises the flameproof cabinet of establishing three-phase input, output wiring terminal, be provided with the telemetry circuit that insulating phase-change switch, vacuum circuit-breaker, transformer, vacuum contactor and control contactor coil get dead electricity in the casing, be in series with circuit breaker between insulating phase-change switch output and the contactor main contacts or on the connecting line between insulating phase-change switch input and the three-phase input wires terminal; The telemetry circuit power end inserts any two-phase of line between insulating phase-change switch and circuit breaker or three-phase input wires terminal through transformer.Though having solved in present down-hole distribution and the Electric Machine Control, this scheme exists: the problem of problems such as required switchgear is many, electrical wiring is many, and volume is big, area occupied, and installation is constant.In addition, the function of its multichannel output also has not enough aspect alternative, variability and associativity, and adaptability is still waiting to improve.
And for example State Intellectual Property Office is in the 2008.03.19 Granted publication, the patent No. is the utility model patent of CN200710139284.2, a kind of multi-voltage and multi-loop explosion-proof device for mine is disclosed, belong to colliery emergency electric supply unit technical field, the major technique feature is ground high voltage source A, B, C inserts the high voltage distribution installation of down-hole electric substation, behind isolating switch GK, meet vacuum circuit-breaker GD, the output of vacuum circuit-breaker GD is connected through the input of first adpting flange and dry-type transformer, the voltage output end of dry-type transformer is divided into two groups, one group is high-pressure side Am, Bm, Cm, another group is low-pressure side a, b, c, two groups of voltage output ends are isolated the SW1 of reversing switch respectively with in the low-pressure side unit switch through second adpting flange, SW2 connects, reversing switch SW1, the output of SW2 connects load after connecting vacuum contactor K1～10.There are the problems referred to above equally in this scheme.
The utility model content
In order to solve the problem in the above-mentioned prior art scheme, the utility model provides a kind of permanent magnetism vacuum single-way switch, the movable contact end of insulator and vacuum tube directly is designed to movable fit structure, can be when closure because of the contact-making surface injustice of vacuum tube, have the wear damage problem, and movable contact end and stationary contact end can not closed fully situations.
In addition, the utility model also provides a kind of multi-functional unit switch that this permanent magnetism vacuum single-way switch is installed.Not only volume little, occupy little space, easy to install, and set circuit breaker function, contactor function, reversing switch function realize multi-functional output, make up multiple switching function.Be suitable for distinct device user demand under the ore deposit.Fail safe is also corresponding to be significantly improved.
The main technical schemes that a kind of permanent magnetism vacuum single-way switch that the utility model provides adopts is: a kind of permanent magnetism vacuum single-way switch, comprise shell, be arranged on the vacuum tube in the described shell, permanent mechanism driving mechanism, described vacuum tube comprises the stationary contact end, the movable contact end, described permanent mechanism driving mechanism drives described movable contact end and described stationary contact end closure, described stationary contact end is corresponding with described movable contact end, described permanent mechanism driving mechanism comprises insulator, described movable contact end is with and drives the reaction spring that self moves, described movable contact end cooperates with described insulator is movable, and described permanent mechanism driving mechanism drives described movable contact end and described stationary contact end closure by described insulator.
A kind of permanent magnetism vacuum single-way switch that the utility model provides also adopts following attached technical scheme: described insulator is provided with groove, and the front end of described movable contact end stretches into described groove;
Described vacuum tube also comprises flexible link, and described flexible link comprises base plate, described movable contact termination is gone into the soft wiring of circuit, and described base plate is threaded with described movable contact end or clamping or peg graft;
Described insulator is provided with groove, described vacuum tube also comprises flexible link, described flexible link comprises base plate, described movable contact termination is gone into the soft wiring and the fastening bolt of circuit, and an end of described fastening bolt passes that described base plate is connected with described movable contact end, the other end stretches into described groove;
One end of described reaction spring leans on the sleeve pipe of vacuum tube, the other end leans the side at described base plate;
Described insulator also comprises cavity and connecting rod, and an end of described connecting rod stretches into described cavity and is with excess of stroke spring, and an end of described excess of stroke spring relies on the inwall that described connecting rod, the other end rely on described cavity;
Described permanent magnet mechanism comprises moving iron core, static iron core, closing coil and permanent magnet, and the other end of described connecting rod is connected with described moving iron core;
The other end of described connecting rod is connected with described moving iron core by a permanent magnetism fastening bolt.
The main technical schemes that the multi-functional unit switch that the utility model provides adopts is: unit switch comprises the insulation casing, be provided with 8 permanent magnetism vacuum single-way switch in the described insulation casing, and the controller of controlling described permanent magnetism vacuum single-way switch closure or disconnecting, described permanent magnetism vacuum single-way switch comprises shell, be arranged on the vacuum tube in the described shell, permanent mechanism driving mechanism, described vacuum tube comprises the stationary contact end, the movable contact end, described permanent mechanism driving mechanism drives described movable contact end and described stationary contact end closure, described permanent mechanism driving mechanism comprises insulator, described movable contact end is with and drives its reaction spring that moves, described movable contact end cooperates with described insulator is movable, and described permanent mechanism driving mechanism drives described movable contact end and described stationary contact end closure by described insulator; Described 8 permanent magnetism vacuum single-way switch are divided into first killer switch, second killer switch, the 3rd killer switch and first contactless contactor, second contactless contactor, the 3rd contactless contactor, the 4th contactless contactor, the 5th contactless contactor according to the closed parameter of the disjunction of described vacuum circuit-breaker and contactor, the closed parameter grade of disjunction; Described 3 killer switches are connected with 5 contactless contactors in A, B, the input and output of C three-phase, form circuit breaker function, contactor function, reversing switch function; Described first killer switch, second killer switch and the 3rd killer switch insert respectively in described A, B, the input and output of C three-phase, and form the circuit breaker group; Described first contactless contactor, second contactless contactor and the 3rd contactless contactor insert respectively in described A, B, the input and output of C three-phase, and form the first contactor group; Described the 5th contactless contactor, the 4th contactless contactor insert respectively in described A, the input and output of B two-phase, and form the second contactor group with described the 3rd tentaculum switch of C in mutually; Connect with described circuit breaker group after the described first contactor group and the second contactor group parallel connection, described controller is controlled the closed of contactor group in described A, B, the input and output of C three-phase and circuit breaker group or is disconnected, to realize circuit breaker function, contactor function and reversing switch function, circuit breaker and contactor function and the reversing switch function of unit switch;
Also comprise blocking mechanism, described blocking mechanism matches with contactless contactor in the described first contactor group and the second contactor group, the short circuit that the described contactless contactor adhesive simultaneously when preventing unit switch commutation output in two groups causes.
The beneficial effect that a kind of permanent magnetism vacuum single-way switch that adopts the utility model to provide brings is: (1) the utility model is designed to the movable structure that cooperates with between the movable contact end of vacuum tube and the insulator, between connecting rod is not set, directly connection.In when action, permanent mechanism driving mechanism drives insulator and moves, and insulator can lean the movable contact end together moves it thereupon, so with stationary contact end closure.Avoided connecting rod to connect because the tripping that connecting rod gets rusty and causes, even under the environment of down-hole humidity, also can guarantee the fail safe used.And the position that the movable structure that cooperates makes insulator can not disturb the movable contact end makes and looks for one heart between movable contact end and the stationary contact end automatically, and contact is comprehensive, abundant when closed.(2) provide single-phase switch compared with prior art according to the utility model, efficiently solve because the problem of the arc control device decentraction that alignment error produces makes single-phase switch more secure and reliable to use.
The beneficial effect that the multi-functional unit switch of the installation permanent magnetism vacuum single-way switch that employing the utility model provides brings is: (1) described 8 permanent magnetism vacuum single-way switch are divided into 3 killer switches and 5 contactless contactors according to the closed parameter of the disjunction of described vacuum circuit-breaker and contactor, the closed parameter grade of disjunction, described 3 killer switches and 5 contactless contactors form in A, B, the input and output of C three-phase, and form circuit breaker group and 2 contactor groups.Controller carries out Combination Control by the closed and disconnected to circuit breaker group, 2 contactor groups, makes unit switch have circuit breaker function, contactor function, reversing switch function.Make unit switch set circuit breaker and contactor function, reversing switch function, realize multi-functional output, combination and performance circuit breaker, contactor reversing switch function.Be suitable for distinct device user demand under the ore deposit.Again in conjunction with the effect of blocking mechanism, the short circuit that the connection of contactor caused during A phase, B exported mutually when preventing to commutate output, fail safe also is significantly improved.Satisfy equipment applicability, reliability under the ore deposit.Adaptability is more comprehensive, extensive.(2) 8 permanent magnetism vacuum single-way switch are installed in the insulation casing because the volume of each permanent magnetism vacuum single-way switch is little, make the volume of whole unit switch little, occupy little space, install and use also very convenient.(3) be provided with near switch around each permanent magnetism vacuum single-way switch, be used to detect the closed or state that disconnects of permanent magnetism vacuum single-way switch and give controller, for the operation of controller provides state to show with signal feedback.Make the operation of controller more accurate, it is more accurate that the function of unit switch is switched.
Description of drawings
Fig. 1 is the cutaway view of the utility model permanent magnetism vacuum single-way switch, internal part is shown forms and annexation;
Fig. 2 is that the parts of the utility model permanent magnetism vacuum single-way switch split schematic diagram;
Fig. 3 installs the overall structure figure of the multi-functional unit switch of permanent magnetism vacuum single-way switch for the utility model;
The multi-functional unit switch that Fig. 4 installs permanent magnetism vacuum single-way switch for the utility model is opened the overall structure figure behind the control lid, and emphasis illustrates the positional structure that cooperates with each permanent magnetism vacuum single-way switch near switch;
The parts that Fig. 5 installs the multi-functional unit switch of permanent magnetism vacuum single-way switch for the utility model split schematic diagram;
Fig. 6 is the Facad structure figure of the multi-functional unit switch of installation blocking mechanism, and the syndeton of blocking mechanism is shown;
Fig. 7 is the A-A cutaway view of Fig. 6;
Fig. 8 is the B-B cutaway view of Fig. 6;
Fig. 9 is the C-C cutaway view of Fig. 6;
Figure 10 installs the electric control theory figure of the multi-functional unit switch of permanent magnetism vacuum single-way switch for the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further detailed description:
As Fig. 1, shown in Figure 2, a kind of permanent magnetism vacuum single-way switch that provides for the utility model, comprise shell 1, be arranged on the vacuum tube 2 in the described shell 1, permanent mechanism driving mechanism, described vacuum tube 2 comprises stationary contact end 21, described permanent mechanism driving mechanism drives described movable contact end 22 and described stationary contact end 21 closures, described stationary contact end 21 is corresponding with described movable contact end 22, described permanent mechanism driving mechanism comprises insulator 4, described movable contact end 22 is with and drives the reaction spring 3 that self moves, described movable contact end 22 and described 4 movable cooperations of insulator, described permanent mechanism driving mechanism drives described movable contact end 22 and described stationary contact end 21 closures by described insulator 4.Movable contact end 22 described here and described insulator 4 be movable to be cooperated and is meant between movable contact end 22 and the described insulator 4 and does not adopt connecting rod of the prior art directly to be connected, but activity, there is not annexation each other.During action, lean movable contact end 22 back drive movable contact ends 22 by moving of insulator 4 and together move.The benefit of this structure is to avoid being offset movable contact end 22 and problems such as stationary contact end 21 contact-making surface injustice, wear damage in the vacuum tube that brings, and movable contact end 22 can be looked for one heart and stationary contact end 21 closures automatically.
In the further preferred version that the utility model provides, described insulator 4 is provided with groove 41, and the front end of described movable contact end 22 stretches into described groove 41.Described vacuum tube 2 also comprises flexible link, and described flexible link comprises base plate 23, with the soft wiring 24 of described movable contact end 22 places in circuit, and described base plate 23 is threaded with described movable contact end 22 or clamping or peg graft.
Described insulator 4 also comprises cavity 42 and connecting rod 43, and an end of described connecting rod 43 stretches into described cavity 42 and is with excess of stroke spring 44, and an end of described excess of stroke spring 44 relies on the inwall that described connecting rod 43, the other end rely on described cavity 42.Described permanent magnet mechanism comprises moving iron core 51, static iron core 52, closing coil 53 and permanent magnet 54, and the other end of described connecting rod 43 is connected with described moving iron core 51.
In the further preferred version that the utility model provides, described insulator 4 is provided with groove 41, described vacuum tube 2 also comprises flexible link, described flexible link comprises base plate 23, with the soft wiring 24 and the fastening bolt 25 of described movable contact end 22 places in circuit, an end of described fastening bolt 25 passes that described base plate 23 is connected with described movable contact end 22, the other end stretches into described groove 41.
One end of described reaction spring 3 leans on the sleeve pipe of vacuum tube 2, the other end leans the side at described base plate 23.Described insulator 4 also comprises cavity 42 and connecting rod 43, and an end of described connecting rod 43 stretches into described cavity 42 and is with excess of stroke spring 44, and an end of described excess of stroke spring 44 relies on the inwall that described connecting rod 43, the other end rely on described cavity 42.Described permanent magnet mechanism comprises moving iron core 51, static iron core 52, closing coil 53 and permanent magnet 54, and the other end of described connecting rod 43 is connected with described moving iron core 51.
In the further preferred version that the utility model provides, the other end of described connecting rod 43 is connected with described moving iron core 51 by a permanent magnetism fastening bolt 55.
The specific embodiment that provides below in conjunction with accompanying drawing 1, Fig. 2 is described such scheme and is supported.
As shown in Figure 1 and Figure 2, permanent magnetism vacuum single-way switch comprises shell 1, vacuum tube 2 is installed, permanent mechanism driving mechanism in shell 1.Vacuum tube 2 is existing conventional products, and its inside is provided with stationary contact end 21 and movable contact end 22 and respectively in the place in circuit, and by movable contact end 22 and the closed of stationary contact end 21 or disconnect the break-make of control circuit, an end of vacuum tube is connected with shell 1 by fixed card 11.Control movable contact end 22 then is to realize by permanent mechanism driving mechanism and cooperating of movable contact end 22 with the closed or disconnection of stationary contact end 21.Specifically as shown in Figure 1, the front end of movable contact end 22 stretches out vacuum tube, and is with reaction spring 3, and movable contact end 22 is by soft wiring 24 places in circuit in the flexible link.Fastening bolt 25 in the flexible link passes base plate 23 backs and is threaded fixing with the front end of movable contact end 22.Like this, base plate 23 just is fixed on the front end of movable contact end 23, and the two ends of reaction spring 3 then lean against on the outer tube and base plate 23 of vacuum tube respectively.And stretch in the groove 41 of insulator 4 with the be threaded front end (being an other end of relative movable contact end 22) of fixing fastening bolt 25 of movable contact end 22, automatically looking for moving of occurring when concentric in order to satisfy movable contact end 22, the size of groove 41 is bigger than the size of fastening bolt 25, makes fastening bolt 25 to relatively move in groove 41.
The other end of insulator 4 has cavity 42 and is with excess of stroke spring 44, one end of connecting rod 43 stretches in the cavity 42, and can in cavity 42, slide, the connecting rod 43 that stretches in the cavity 42 is provided with baffle plate 431, one end of excess of stroke spring 44 leans on baffle plate 431, and the other end leans on the inwall of cavity 42.An other end of connecting rod 43 then stretches into and passes static iron core 52 in the permanent mechanism driving mechanism, also fixedlys connected with moving unshakable in one's determination 51 by a permanent magnetism fastening bolt 55.Static iron core 51 both sides are closing coil 53, and the front end of closing coil 53 is permanent magnet 54 and moving iron core 51.When closing coil 53 feeds forward current, moving iron core 51 and static iron core 52 adhesives, moving iron core 51 drivening rods 43 move in the process that adhesive is moved, connecting rod 43 moves and can at first compress the excess of stroke spring 44 that reaction spring 3 is arranged in cavity 42, after excess of stroke spring 44 is compressed, connecting rod 43 leans whole insulator 4 and moves, the fastening bolt 25 that is arranged in the groove 41 of insulator 4 is insulated and together moves after son 4 leans thereupon, fastening bolt 25 is because movable contact end 22 is fixedly connected, will drive movable contact end 22 accordingly and move, final and stationary contact end 21 closures.Moving iron core 51 drivening rods 43 move, and connecting rod moves and continues the excess of stroke spring 44 that compression is arranged in cavity, and excess of stroke spring 44 is compressed to vacuum tube movable contact end, stationary contact end pressure.In this process, it together moved in driving after the groove 41 of insulator 4 contacted with fastening bolt 25 and leans, there is not the direct connection of connecting rod, fastening bolt 25 can move to be looked for one heart automatically, also just realized looking for automatically with one heart of movable contact end 22 accordingly, movable contact end 22 is closed complete, smooth with stationary contact end 21, not wearing and tearing.Prolong the useful life of vacuum tube.After the closure, utilize permanent magnetism power to realize snap close.
And when throwing off, when coil 53 feeds reverse currents, reaction spring 3 and the 44 common elastic force effects of excess of stroke spring flick movable contact end 22 with stationary contact end 21 rapidly and separate.Reaction spring 2 all reaches ideal effect when with being used of excess of stroke spring 44 movable contact end 22 being disconnected with stationary contact end 21.
Except that above-mentioned permanent magnetism vacuum single-way switch, extremely shown in Figure 10 as Fig. 3, the utility model also provides the multi-functional unit switch that this permanent magnetism vacuum single-way switch is installed, comprise insulation casing 6, be provided with 8 described permanent magnetism vacuum single-way switch in the described insulation casing 6 and control the controller 7 that described permanent magnetism vacuum single-way switch is closed or disconnect.Described 8 permanent magnetism vacuum single-way switch are divided into the first killer switch YKD1, the second killer switch YKD2, the 3rd killer switch YKD3 and the first contactless contactor YKJ1, the second contactless contactor YKJ2, the 3rd contactless contactor YKJ3, the 4th contactless contactor YKJ4, the 5th contactless contactor YKJ5 according to the closed parameter of the disjunction of described vacuum circuit-breaker and contactor, the closed parameter grade of disjunction; Described 3 killer switches are connected with 5 contactless contactors in A, B, the input and output of C three-phase, form circuit breaker function, contactor function, reversing switch function.The described first killer switch YKD1, the second killer switch YKD2 and the 3rd killer switch YKD3 insert respectively in described A, B, the input and output of C three-phase, and form the circuit breaker group.
The described first contactless contactor YKJ1, the second contactless contactor YKJ2 and the 3rd contactless contactor YKJ3 insert respectively in described A, B, the input and output of C three-phase, and form the first contactor group;
Described the 5th contactless contactor YKJ5, the 4th contactless contactor YKJ4 insert respectively in the output of described A, B two-phase, and form the second contactor group with described the 3rd tentaculum switch YKJ3 of C in mutually;
Connect with described circuit breaker group after the described first contactor group and the second contactor group parallel connection, the contactor group in described controller 7 control described A, B, the input and output of C three-phase and the closed or disconnection of circuit breaker group are to realize circuit breaker function, contactor function and reversing switch function, circuit breaker and contactor function and the reversing switch function of unit switch;
Also comprise blocking mechanism, described blocking mechanism and the described first contactor group match the short circuit that the described contactless contactor adhesive simultaneously when preventing unit switch commutation output in two groups causes with contactless contactor in the second contactor group.
Its internal part composition of above-mentioned killer switch and contactless contactor, annexation, structure are all identical with the permanent magnetism vacuum single-way switch that the utility model provides.Difference is the inner selected model difference of vacuum circuit-breaker, and it is different to cause it to produce on disjunction number of times, breaking current grade.The disjunction number of times of selecting vacuum circuit-breaker for use more than 10,000 times, the permanent magnetism vacuum single-way switch of breaking current more than 30KA be killer switch, it is few to meet circuit breaker disjunction number of times, the requirement of disjunction main circuit, big electric current.The disjunction number of times of selecting vacuum circuit-breaker for use more than 300,000 times, breaking current then is contactless contactor at the permanent magnetism vacuum single-way switch of 12KA, meets the requirement of the frequent disjunction of contactor, the little electric current of disjunction.
Wherein the described circuit breaker group that is formed by 3 killer switches realizes the circuit breaker function; The first contactor group and the second contactor group that are formed by 5 contactless contactors realize contactor function, reversing switch function.Closed or the disconnection of the described controller 7 described circuit breaker groups of control and 2 contactor groups is to realize circuit breaker function, contactor function, reversing switch function, circuit breaker and contactor and the reversing switch function of unit switch.
Circuit breaker group closure, the first contactor group and the second contactor group realize contactor function, reversing switch function; The first contactor group and arbitrary group of closure of the second contactor group, the circuit breaker group realizes the circuit breaker function;
To shown in Figure 5, insulation casing 6 comprises insulated case 61 and insulation case lid 62, and 8 permanent magnetism vacuum single-way switch are installed in insulated case 61 as Fig. 3,4 of the every rows of two rows.Cover insulation case lid 62 after installing.Insulation has on the case lid 62 and the corresponding through hole 621 of permanent magnetism fastening bolt 55 in each permanent magnetism vacuum single-way switch, and respectively is provided with one near switch 8 in the both sides up and down of each through hole 621.When permanent magnetism vacuum single-way switch closure or disconnection, permanent magnetism fastening bolt 55 can move, and detects the mobile of permanent magnetism fastening bolt 55 and signal is defeated by controller near 8 on switch, grasps closure, the disconnection of each permanent magnetism vacuum single-way switch.After the case lid 62 that will insulate is built, the control box 9 that controller 7 is installed is covered on insulation casing 6, finish whole erection.
As shown in figure 10, multi-functional unit switch of the present utility model forms the output of 3 circuitry phases by 8 permanent magnetism vacuum single-way switch.Wherein, C is in series by killer switch and contactless contactor, and A is in series by the contactless contactor of two killer switches and two pairs of parallel connections with B mutually.Killer switch in A, B, the C three-phase and contactless contactor form circuit breaker group, contactor group reversing switch, the first contactor group and the second contactor group.In whole input and output, form the commutation locking, by the closed of 3 groups of controller 7 Combination Control or disconnect and realize different functions.
Among Figure 10, multi-functional unit switch realization circuit breaker and contactor function, reversing switch function.A, B, the C3 first circuit breaker YKD1, the second circuit breaker YKD2, the 3rd circuit breaker YKD3 in mutually forms the circuit breaker group.The first contactor YKJ1, the second contactor YKJ2, the 3rd contactor YKJ3 form the first contactor group, and the 3rd contactor YKJ3, the 4th contactor YKJ4, the 5th contactor YKJ5 form the second contactor group.Controller 7 specifically can be realized circuit breaker group connect with the first contactor group formation circuit breaker, contactor, reversing switch positive function by 3 groups closure being disconnected control; The circuit breaker group is connected with the second contactor group and is formed circuit breaker, contactor, reversing switch negative function; Circuit breaker group closure, the first contactor group and the second contactor group are appointed closed one group of realization contactor function and the reversing switch function of disconnecting; Need with the use control that is suitable for 3 phase motor positive and inverses.Two groups closed one group arbitrarily of the first contactor group and the second contactor group, circuit breaker group closure, disconnection realize the circuit breaker function.
When commutation, to shown in Figure 9, blocking mechanism is 2 latch plate as Fig. 6, the 4th contactor YKJ4 during the two ends of one of them latch plate 9 connect the first contactor YKJ1 of A in exporting mutually respectively and B exports mutually.The second contactor YKJ2 during the two ends of another latch plate 9 connect the 5th contactor YKJ5 of A in exporting mutually respectively and B exports mutually.Specifically be to be connected with permanent magnetism fastening bolt 55.And the action principle of latch plate 9 is similar to lever principle, two ends respectively with A mutually in the B phase two-way permanent magnetism fastening bolt 55 of contactless contactor connect, when A mutually or the contactless contactor of B in mutually when closed, its permanent magnetism fastening bolt 55 pulling latch plate 9, the one end is moved down, and the other end just moves up accordingly.The other end that moves up then can spur the permanent magnetism fastening bolt 55 in the connected contactless contactor, makes this contactless contactor can't be closed.To guarantee when preventing to commutate the A closed simultaneously and short circuit that causes of the contactless contactor of B in mutually mutually.
Closed and disconnected by 7 pairs of circuit breaker groups of controller and 2 contactor groups carries out Combination Control, makes unit switch have circuit breaker function, contactor, reversing switch function.Make unit switch set circuit breaker and contactor function, reversing switch function, realize multi-functional output, combination and performance circuit breaker, contactor reversing switch function.Be suitable for distinct device user demand under the ore deposit.Fail safe also is significantly improved.Satisfy equipment applicability, reliability under the ore deposit.Adaptability is more comprehensive, extensive.8 permanent magnetism vacuum single-way switch are installed in the insulation casing 6 because the volume of each permanent magnetism vacuum single-way switch is little, make the volume of whole unit switch little, occupy little space, install and use also very convenient.Be provided with near switch 8 around each permanent magnetism vacuum single-way switch, the front end of described permanent magnetism vacuum single-way switch leaves or enters described effective surveyed area near switch 8 along with the closed or disconnection of vacuum circuit-breaker.Be used to detect the closed or state that disconnects of permanent magnetism vacuum single-way switch and give controller 7, for the operation of controller 7 provides state to show signal feedback.Make the operation of controller 7 more accurate, it is more accurate that the function of unit switch is switched.
Multi-functional unit switch, permanent magnetism vacuum single-way switch adopts the phase pillar, circuit breaker, contactor close a floodgate asynchronous three phase electric machine power factor when changing in 0.5～0.9 scope, in the scope of current over-zero ± 15 °, close a floodgate, solve motor when starting, the motor over-voltage phenomenon, combined floodgate moment switching current reduces, and increases the useful life of vacuum circuit-breaker.
Claims (10)
1. permanent magnetism vacuum single-way switch, comprise shell (1), be arranged on the vacuum tube (2) in the described shell (1), permanent mechanism driving mechanism, described vacuum tube (2) comprises stationary contact end (21), movable contact end (22), described permanent mechanism driving mechanism drives described movable contact end (22) and described stationary contact end (21) closure, it is characterized in that: described stationary contact end (21) is corresponding with described movable contact end (22), described permanent mechanism driving mechanism comprises insulator (4), described movable contact end (22) is with and drives the reaction spring (3) that self moves, described movable contact end (22) cooperates with described insulator (4) is movable, and described permanent mechanism driving mechanism drives described movable contact end (22) and described stationary contact end (21) closure by described insulator (4).
2. a kind of permanent magnetism vacuum single-way switch according to claim 1, it is characterized in that: described insulator (4) is provided with groove (41), and the front end of described movable contact end (22) stretches into described groove (41).
3. a kind of permanent magnetism vacuum single-way switch according to claim 2, it is characterized in that: described vacuum tube (2) also comprises flexible link, described flexible link comprises base plate (23), with the soft wiring (24) of described movable contact end (22) place in circuit, described base plate (23) is threaded with described movable contact end (22) or clamping or peg graft.
4. a kind of permanent magnetism vacuum single-way switch according to claim 1, it is characterized in that: described insulator (4) is provided with groove (41), described vacuum tube (2) also comprises flexible link, described flexible link comprises base plate (23), with the soft wiring (24) and the fastening bolt (25) of described movable contact end (22) place in circuit, an end of described fastening bolt (25) passes that described base plate (23) is connected with described movable contact end (22), the other end stretches into described groove (41).
5. a kind of permanent magnetism vacuum single-way switch according to claim 4 is characterized in that: an end of described reaction spring (3) leans on the sleeve pipe of vacuum tube (2), the other end leans the side at described base plate (23).
6. according to claim 3 or 5 described a kind of permanent magnetism vacuum single-way switch, it is characterized in that: described insulator (4) also comprises cavity (42) and connecting rod (43), one end of described connecting rod (43) stretches into described cavity (42) and is with excess of stroke spring (44), and an end of described excess of stroke spring (44) relies on the inwall that described connecting rod (43), the other end rely on described cavity (42).
7. a kind of permanent magnetism vacuum single-way switch according to claim 6, it is characterized in that: described permanent magnet mechanism comprises moving iron core (51), static iron core (52), closing coil (53) and permanent magnet (54), and the other end of described connecting rod (43) is connected with described moving iron core (51).
8. a kind of permanent magnetism vacuum single-way switch according to claim 7 is characterized in that: the other end of described connecting rod (43) is connected with described moving iron core (51) by a permanent magnetism fastening bolt (55).
9. the multi-functional unit switch that aforesaid right requirement 1 to 5,7 to 8 arbitrary described a kind of permanent magnetism vacuum single-way switch are installed comprises insulation casing (6), it is characterized in that:
Be provided with 8 described permanent magnetism vacuum single-way switch in the described insulation casing (6) and control the controller (7) that described permanent magnetism vacuum single-way switch is closed or disconnect; Described 8 permanent magnetism vacuum single-way switch are divided into first killer switch (YKD1), second killer switch (YKD2), the 3rd killer switch (YKD3) and first contactless contactor (YKJ1), second contactless contactor (YKJ2), the 3rd contactless contactor (YKJ3), the 4th contactless contactor (YKJ4), the 5th contactless contactor (YKJ5) according to the closed parameter of the disjunction of described vacuum circuit-breaker and contactor, the closed parameter grade of disjunction; Described 3 killer switches are connected with 5 contactless contactors in A, B, the input and output of C three-phase, form circuit breaker function, contactor function, reversing switch function;
Described first killer switch (YKD1), second killer switch (YKD2) and the 3rd killer switch (YKD3) insert respectively in described A, B, the input and output of C three-phase, and form the circuit breaker group;
Described first contactless contactor (YKJ1), second contactless contactor (YKJ2) and the 3rd contactless contactor (YKJ3) insert respectively in described A, B, the input and output of C three-phase, and form the first contactor group;
Described the 5th contactless contactor (YKJ5), the 4th contactless contactor (YKJ4) insert respectively in described A, the B two-phase, and with C mutually described the 3rd tentaculum switch (YKJ3) in the input and output form the second contactor group;
Connect with described circuit breaker group after the described first contactor group and the second contactor group parallel connection, described controller (7) is controlled the closed of contactor group in described A, B, the input and output of C three-phase and circuit breaker group or is disconnected;
Also comprise blocking mechanism, described blocking mechanism matches with contactless contactor in the described first contactor group and the second contactor group.
10. unit switch according to claim 9, it is characterized in that: also be provided with detect described permanent magnetism vacuum single-way switch closure or off-state near switch (8), the front end of described permanent magnetism vacuum single-way switch is along with the closed of vacuum circuit-breaker or disconnect and leave or enter described effective surveyed area near switch (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201286696U CN201758097U (en) | 2010-03-01 | 2010-03-01 | Permanent magnet vacuum unidirectional switch and multifunctional combined switch provided with the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201286696U CN201758097U (en) | 2010-03-01 | 2010-03-01 | Permanent magnet vacuum unidirectional switch and multifunctional combined switch provided with the same |
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| Publication Number | Publication Date |
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| CN201758097U true CN201758097U (en) | 2011-03-09 |
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| CN2010201286696U Expired - Fee Related CN201758097U (en) | 2010-03-01 | 2010-03-01 | Permanent magnet vacuum unidirectional switch and multifunctional combined switch provided with the same |
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| CN (1) | CN201758097U (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104103451A (en) * | 2014-08-04 | 2014-10-15 | 温州侨融电子科技有限公司 | Modular permanent-magnetic circuit breaker |
| CN104241009A (en) * | 2014-08-04 | 2014-12-24 | 温州侨融电子科技有限公司 | Modular permanent magnet vacuum feeder switch |
| CN104241027A (en) * | 2014-08-04 | 2014-12-24 | 温州侨融电子科技有限公司 | Modular vacuum magnetic starter |
| CN112687482A (en) * | 2021-01-22 | 2021-04-20 | 何贵庭 | Connecting device with two non-concentric shafts |
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2010
- 2010-03-01 CN CN2010201286696U patent/CN201758097U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104103451A (en) * | 2014-08-04 | 2014-10-15 | 温州侨融电子科技有限公司 | Modular permanent-magnetic circuit breaker |
| CN104241009A (en) * | 2014-08-04 | 2014-12-24 | 温州侨融电子科技有限公司 | Modular permanent magnet vacuum feeder switch |
| CN104241027A (en) * | 2014-08-04 | 2014-12-24 | 温州侨融电子科技有限公司 | Modular vacuum magnetic starter |
| CN104241009B (en) * | 2014-08-04 | 2016-04-06 | 温州侨融电子科技有限公司 | A kind of modular permanent magnetic vacuum feed switch |
| CN104241027B (en) * | 2014-08-04 | 2016-05-18 | 温州侨融电子科技有限公司 | A kind of modular vacuum magnetic starter |
| CN104103451B (en) * | 2014-08-04 | 2016-05-25 | 温州侨融电子科技有限公司 | A kind of modular permanent-magnet breaker |
| CN112687482A (en) * | 2021-01-22 | 2021-04-20 | 何贵庭 | Connecting device with two non-concentric shafts |
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