CN104754817A - Straight-through power supply module and control method - Google Patents
Straight-through power supply module and control method Download PDFInfo
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Abstract
The invention relates to the technology of stage, movie and television lighting, in particular to a straight-through power supply module and a control method. The straight-through power supply module comprises a casing, a plurality of cables arranged in the casing, a first connector and a second connector which are arranged on the casing and connected at two ends of each cable, an interface unit and at least one straight-through socket assembly; each straight-through socket assembly comprises a lamp socket which is connected with the cables to provide power for a lamp, and the first connector and the second connector adopt the male sockets or the female sockets of the same type or different types. A plurality of the straight-through power supply modules can be connected in series, have the advantages of conforming to mandatory safety specifications and being convenient and flexible to use, and can solve the problems encountered by the power supply network in the flexible construction area of the next generation of special stage, movie and television lighting power supply system.
Description
Technical field
The present invention relates to stage, video display lighting technology, specifically a kind of straight-through supply module and control method.
Background technology
Traditional video display, light of stage electric power system (also can be described as professional light electric power system) are owing to adopting loop power supply mode, each electricity consumption loop quantity, position, specification and character, all install in advance and fixed, rational system call interception cannot be carried out in actual use according to actual conditions, produce the problems such as above-mentioned use is inconvenient, installation workload is large, serious waste of resources, violation Electrical Safety specification thus, hinder development and the application of light of stage.
And the professional light electric power system of video display of future generation, stage will adopt block supply mode, by the electricity consumption gross power upper limit of region distribution box setting respective regions, freely distribution network can be overlapped in region, supply module is as the node of regional distribution network network, each node can form series network, also can form parallel network, series and parallel network can also be formed.
On the one hand, current straight-through supply module is generally designed to 2,4,8 tunnels, namely can be used at most 2,4 and the use of 8 desk lamp tools, and light fixture is pluggable on the socket of module (power needs strict coupling).These straight-through supply modules are for designed by traditional professional light electric power system, cannot realize connecting, cannot meet the demand of the flexible establishment regional distribution network network of professional light electric power system of future generation between module with module.
In addition, air switch on these more seriously current supply modules is manual, once the dimmer of inside modules (if any) breakdown, and supply module may arrange optional position before the lights, staff cannot arrive the position manual-lock air switch residing for module in most cases in time, make in performance process, the light fixture damaged corresponding to dimmer keeps normal bright state, causes performance accident.In performance, allow indivedual light fixture often to go out, but never allow indivedual light fixture Chang Liang, if the not controlled Chang Liang of light fixture, this belongs to performance accident in performance, is absolutely not receptible.
Moreover existing straight-through supply module mostly is 2,4,8 tunnels, although use three phase mains, be difficult to realize three-phase equilibrium.All there is no earth leakage circuit-breaker in all circuit units, there is potential safety hazard.
Therefore, in the urgent need to developing a kind of professional light electric power system of future generation of being applicable to, and more safe and reliable straight-through supply module.
Summary of the invention
The technical problem that the present invention solves is to provide a kind of professional light electric power system of future generation of being applicable to, and more safe and reliable straight-through supply module.
For solving the problems of the technologies described above, the technical solution used in the present invention is: provide a kind of straight-through supply module, described straight-through supply module comprises: housing, be placed in some cables of described housing, arrange on the housing and be connected to the first connector and second connector at described some cable two ends, interface unit, and at least one straight-through jack assemblies, often the straight-through jack assemblies of group comprises and is connected to described some cables so that the lamp socket of powering to light fixture, described first connector, the type of described second connector is positive socket or cloudy socket, and described first connector can adopt the socket of identical type or dissimilar socket with described second connector.。
Further, described straight-through supply module also comprises the interface unit for reception control signal, described some cables comprise zero line cable, ground wire cable and some phase line cables, and the two ends of each described cable are connected to described first connector and the second connector respectively, each described straight-through jack assemblies also comprises: at least one phase line stube cable, 4th stube cable, 5th stube cable, earth leakage circuit-breaker, switch element and control unit, the control signal that described control unit is used for receiving according to described interface unit is connected or closing control described switch element, described lamp socket is connected with wherein phase line cable described in by described phase line stube cable, be connected with described zero line cable by the 4th stube cable, be connected with described ground wire cable by the 5th stube cable, wherein, described phase line stube cable is provided with described earth leakage circuit-breaker, described switch element.
Further, each described control unit comprises: the long-range module of turning off the light being switched on or switched off control for the described switch element controlled in same straight-through jack assemblies of the control signal received by described interface unit.
Alternatively, described interface unit comprises the DMX signal input interface for receiving DMX signal and the DMX signal output interface for exporting DMX signal, and the described long-range module of turning off the light of the described straight-through jack assemblies of each group is switched on or switched off control for the DMX signal received by described DMX signal input interface to the described switch element that same group leads directly in jack assemblies.
Alternatively, described interface unit comprises network signal input interface, the data of DMX packet contain/are packaged with for receiving package, described straight-through supply module also comprises the DMX network decoding module for converting DMX packet to the described data decode comprising/be packaged with DMX packet, described network decoding module integration is in described interface unit or described control unit, or independent of described interface unit and described control unit, the described long-range module of turning off the light of each described straight-through jack assemblies is for being switched on or switched off control according at least one Frame in described DMX packet to the described switch element that same group leads directly in jack assemblies.
Preferably, described network signal input interface is RJ45 interface, contain/is packaged with Ethernet data bag and/or the IP packet of DMX packet for receiving package.
Alternatively, described some phase line cables comprise A phase line cable, B phase line cable and C phase line cable; Described straight-through supply module comprises M the described straight-through jack assemblies of A phase, the described straight-through jack assemblies of N number of B phase and K the described straight-through jack assemblies of C phase, the lamp socket of the described straight-through jack assemblies of each A phase is connected to described A phase line cable, the lamp socket of the described straight-through jack assemblies of each B phase is connected to described B phase line cable, the lamp socket of the described straight-through jack assemblies of each C phase is connected to described C phase line cable, described M, N, K be more than or equal to zero natural number, and between M, N, K, have at least one to be greater than zero.
Preferably, the numerical value of described M, N, K is equal.
Alternatively, described some phase line cables comprise A phase line cable, B phase line cable and C phase line cable; Described straight-through supply module comprises P described straight-through jack assemblies, and the lamp socket of each described straight-through jack assemblies is all connected to wherein phase line cable described in, described P be greater than zero natural number.
As improvement, described straight-through supply module comprises two or more described straight-through jack assemblies, the described control unit of each described straight-through jack assemblies also comprises communication module, described communication module comprises signal input part and signal forwards end, the control unit of first described straight-through jack assemblies is connected successively to the control unit leading directly to jack assemblies described in last, the signal of the communication module of a upper described straight-through jack assemblies forwards end and is connected with the signal input part of the communication module of the described straight-through jack assemblies of the next one, the signal input part of the communication module of the control unit of this first described straight-through jack assemblies is connected with described interface unit.
As improvement, described first connector and described second connector are separately positioned on the two ends of described housing.
Alternatively, described first connector and described second connector are separately positioned on the two ends of described housing, and the described DMX signal input interface of described interface unit and described DMX signal output interface are separately positioned on the two ends of described housing.
Alternatively; in straight-through jack assemblies described in each; on described phase line stube cable between one end that it is connected with corresponding described phase line cable to one end that it is connected with corresponding described lamp socket, set gradually described earth leakage circuit-breaker, described switch element.
The present invention also provides a kind of professional performance lamplight to lead directly to the control method of supply module, and described straight-through supply module is above-mentioned arbitrary described straight-through supply module, and described method comprises:
Described interface unit reception control signal;
Each described control unit is switched on or switched off control according to this signal to each self-corresponding switch element.
Further, the data format of the signal that described interface unit receives is DMX packet or the network data comprising/be packaged with DMX packet, when the signal that described control unit receives is the network data comprising/be packaged with DMX packet, first convert the decoding of this network data to DMX packet, each described control unit controls each self-corresponding described switch element according to the control information in this DMX packet again.
Compared with prior art, the present invention adopt the beneficial effect of technical scheme as follows: the present invention straight-through supply module be provided with the first connector and the second connector after, two groups lead directly to the stube cable being respectively equipped with cloudy plug and convex plug by two ends between supply module and connect.The cloudy plug of stube cable coordinates with a wherein first connector grafting of leading directly to supply module, second connector grafting of convex plug then supply module straight-through with another coordinates, be together in series by two straight-through supply modules, the straight-through supply module series connection of three or more by that analogy.Therefore this technology can solve professional electric power system of future generation well and set up the technical problem that block supply network runs into flexibly.
Accompanying drawing explanation
Fig. 1 is one of structural representation of embodiment one supply module (A phase lamp socket).
Fig. 2 is the structural representation two (B phase lamp socket) of embodiment one supply module.
Fig. 3 is the structural representation three (C phase lamp socket) of embodiment one supply module.
Fig. 4 is the series connection schematic diagram between embodiment one supply module.
Fig. 5 is one of control principle schematic diagram of embodiment one supply module.
Fig. 6 is the control principle schematic diagram two of embodiment one supply module.
Fig. 7 is one of structural representation of embodiment two supply module (A phase lamp socket).
Fig. 8 is one of structural representation of embodiment two supply module (B phase lamp socket).
Fig. 9 is one of structural representation of embodiment two supply module (C phase lamp socket).
Figure 10 is one of control principle schematic diagram of embodiment two supply module.
Figure 11 is the control principle schematic diagram two of embodiment two supply module.
Figure 12 is the control principle schematic diagram three of embodiment two supply module.
Figure 13 is one of structural representation of embodiment three supply module (2 groups lead directly to jack assemblies).
Figure 14 is the structural representation two (3 groups lead directly to jack assemblies) of embodiment three supply module.
Figure 15 is the communication module principle schematic of the control unit of embodiment three supply module.
Figure 16 is the control principle schematic diagram of supply module shown in Figure 12.
Figure 17 is the control principle schematic diagram of supply module shown in Figure 13.
Figure 18 is one of the control principle schematic diagram of embodiment four supply module (serial transmission).
Figure 19 is the control principle schematic diagram two (parallel transmission) of embodiment four supply module.
Figure 20 is the control principle schematic diagram three (serial transmission) of embodiment four supply module.
Figure 21 is the control principle schematic diagram four (parallel transmission) of embodiment four supply module.
Embodiment
In the present invention, term " on ", D score, "left", "right", "front", "rear", " top ", " end ", " interior ", " outward ", " in ", " vertically ", " level ", " transverse direction ", the orientation of the instruction such as " longitudinal direction " or position relationship be based on orientation shown in the drawings or position relationship.These terms are mainly in order to describe the present invention and embodiment better, and being not intended to limit indicated device, element or part must have particular orientation, or carry out constructing and operating with particular orientation.
Further, above-mentioned part term represents except orientation or position relationship except may be used for, and also may be used for representing other implications, such as term " on " also may be used in some cases representing certain relations of dependence or annexation.For those of ordinary skills, these terms concrete meaning in the present invention can be understood as the case may be.
In addition, term " installation ", " setting ", " being provided with ", " connection ", " being connected " should be interpreted broadly.Such as, can be fixedly connected with, removably connect, or monolithic construction; Can be mechanical connection, or electrical connection; Can be directly be connected, or be indirectly connected by intermediary, or be connection inner between two devices, element or parts.For those of ordinary skills, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In addition, term " first ", " second " etc. are mainly used for distinguishing different devices, element or part (concrete kind is identical with structure possibility also may be different), not for showing or imply relative importance and the quantity of indicated device, element or part.Except as otherwise noted, the implication of " multiple " is two or more.
Below in conjunction with embodiment and accompanying drawing, technical scheme of the present invention is further described.
embodiment one
As shown in Figure 1 to Figure 3, the present embodiment provides a kind of straight-through supply module, straight-through supply module comprises: housing (not shown), be placed in housing some cables, be arranged on housing and be connected to first connector 16 and second connector 17 at some cable two ends, interface unit and one group lead directly to jack assemblies, and straight-through jack assemblies comprises and is connected to described some cables so that the lamp socket 61,62,63 of powering to light fixture.
The type of above-mentioned first connector, the second connector is positive socket or cloudy socket, and described first connector can adopt the socket of identical type or dissimilar socket with described second connector, this makes to be connected by stube cable between different straight-through supply module.Such as, as shown in Figure 4, when the first connector, the second connector type difference, the stube cable 70 being respectively equipped with convex plug 71 and cloudy plug 72 can be adopted to connect.The cloudy socket of second connector 17(of the convex plug 71 of stube cable 70 and a wherein straight-through supply module) grafting coordinates, first connector 16(sun socket of cloudy plug 72 then supply module straight-through with another) grafting coordinates, thus two straight-through supply modules are together in series, the straight-through supply module series connection of three or more is by that analogy.When the type of the first connector, the second connector is identical, when being positive socket, the stube cable that two ends can be adopted to be female between two straight-through supply modules is connected; When being cloudy socket, the stube cable that both ends can be adopted to be female between two straight-through supply modules is connected.
Therefore this technology can solve professional electric power system of future generation well and set up the technical problem that block supply network runs into flexibly.
Conveniently manufacture, install, the first connector of straight-through supply module, the specification of the second connector are identical, and can mutually grafting coordinate, and the convex plug of stube cable is also identical with the specification of cloudy plug.
Further, described some cables comprise zero line cable 14, ground wire cable 15 and some phase line cables 11,12,13, and the two ends of each cable are connected to the first connector 16 and the second connector 17 respectively.Such as, in the straight-through supply module shown in E1 to Fig. 3, except having zero line cable 14, ground wire cable 15, also have A phase line cable 11, B phase line cable 12 and C phase line cable 13.
Described straight-through supply module also comprises the interface unit 30 for reception control signal.Described straight-through jack assemblies also comprises: at least one phase line stube cable, the 4th stube cable 94, the 5th stube cable 95, earth leakage circuit-breaker 51, switch element 53 and control unit 40, described control unit 40 is connected or closing control described switch element for the control signal received according to described interface unit.Lamp socket is connected with a wherein phase line cable by phase line stube cable; be connected with zero line cable 14 by the 4th stube cable 94; be connected with ground wire cable 15 by the 5th stube cable 95, wherein, phase line stube cable is provided with earth leakage circuit-breaker 51, switch element 53.This switch element 53 can adopt the controlled device with switching function to realize, as the conventional device such as electromagnetic relay, thyristor.
Such as; straight-through supply module shown in Fig. 1 to Fig. 3 respectively has one group to lead directly to jack assemblies; wherein; shown in Fig. 1, the lamp socket 61 of straight-through jack assemblies is A phase socket; it is connected to A phase line cable 11 by a phase line stube cable 91, and this phase line stube cable 91 is provided with earth leakage circuit-breaker 51, switch element 53.In addition, lamp socket 61 is also connected to zero line cable 14 by the 4th stube cable 94, is connected to ground wire cable 15 by the 5th stube cable 95.
Shown in Fig. 2, the lamp socket 62 of straight-through jack assemblies is B phase socket, and it is connected to B phase line cable 12 by a phase line stube cable 92, and this phase line stube cable 92 is provided with earth leakage circuit-breaker 51, switch element 53.In addition, lamp socket 62 is also connected to zero line cable 14 by the 4th stube cable 94, is connected to ground wire cable 15 by the 5th stube cable 95.
Shown in Fig. 3, the lamp socket 63 of straight-through jack assemblies is C phase socket, and it is connected to C phase line cable 13 by a phase line stube cable 93, and this phase line stube cable 93 is provided with earth leakage circuit-breaker 51, switch element 53.In addition, lamp socket 63 is also connected to zero line cable 14 by the 4th stube cable 94, is connected to ground wire cable 15 by the 5th stube cable 95.
In straight-through jack assemblies; on phase line stube cable 91,92,93 between one end that it is connected with phase line cable to one end that it is connected with lamp socket; earth leakage circuit-breaker 51, switch element 53 can be set gradually, also can arrange according to other orders.
As shown in Figure 5, each control unit 40 comprises the long-range module 43 of turning off the light being switched on or switched off control for the control signal control switch unit 53 received by interface unit 30, the external control signal that interface unit 30 receives directly transmits or after conversion, is transferred to the control unit of straight-through jack assemblies again, and control unit 40 carries out switch control rule according to this control signal to switch element 53.Above-mentioned long-range module 43 of turning off the light realizes by hardware circuit element, such as field programmable gate array (FPGA), programmable logic controller (PLC) (PLC) or other can perform the hardware circuit of associative operation according to external control signal/data, also can be realized by one chip microcomputer, embedded microcontroller or other embedded systems.
As shown in Figure 6 (also can referring to figs. 1 to Fig. 4), interface unit 30 comprises the DMX signal input interface 31 for receiving DMX signal and the DMX signal output interface 32 for exporting DMX signal, and the long-range module 43 of turning off the light of straight-through jack assemblies is switched on or switched off control for the DMX signal received by DMX signal input interface to the switch element 53 that same group leads directly in jack assemblies.The DMX signal input of this technology, output interface both can adopt XLR5 core connector (or 3 cores), and RJ45 connector also can be adopted to export DMX data.
In addition, the present embodiment also provides a kind of control method of straight-through supply module, and the method can control above-mentioned straight-through supply module, and the method comprises:
Interface unit receives DMX signal;
Control unit is switched on or switched off control according to the control information (one or more DMX Frame) in this DMX signal to switch element.
embodiment two
The present embodiment provides a kind of supply module, the difference of the present embodiment and embodiment one is: the interface unit of the present embodiment supply module carrys out by network signal input interface 33 data that receiving package contain/is packaged with DMX packet, and phase line connection cable is provided with dimmer 53.Control unit 40 is connected with this dimmer 53, and the control unit control signal also comprised for receiving according to interface unit carries out the light-adjusting module 42 of brightness adjustment control to dimmer 53.
Figure 7 shows that the supply module with A phase lamp socket 61, Figure 8 shows that the supply module with B phase lamp socket 62, Figure 9 shows that the supply module with C phase lamp socket 63, this three all adopts network signal input interface 33 to receive external control signal.
In addition, the supply module of the present embodiment also comprises the DMX network decoding module 34 for converting DMX packet to the data decode comprising/be packaged with DMX packet, network decoding module accessible site in interface unit or control unit, or independent of interface unit and control unit.As shown in Figure 10, DMX network decoding module 34 is integrated in interface unit 30; As shown in figure 11, DMX network decoding module 34 is integrated in control unit 40; As shown in figure 12, DMX network decoding module 34 is independent is arranged.
In the present embodiment, the signal data form received by network signal input interface 33 can be DMX packet, also can be the data of other protocol formats comprising/be packaged with DMX packet.Latter case as: (1) is packaged with the IP datagram of DMX packet; (2) the ethernet mac frame of DMX packet is directly packaged with; (3) be indirectly packaged with the ethernet mac frame of DMX packet, this mac frame is packaged with the data of extended formatting, and as IP datagram, this IP datagram is packaged with DMX packet further.Signal input interface adopts the interface/connector of respective standard and specification according to received signal kind, such as above-mentioned 3 kinds of situations all can adopt RJ45 interface, and other also can be adopted to support the HDMI, Display Port interface, USB interface etc. of Ethernet data communication.
In the present embodiment, network signal input interface 33 adopts RJ45 interface, contain/is packaged with Ethernet data bag (MAC data frame) and/or the IP packet (IP datagram) of DMX packet for receiving package.The packet that network signal input interface 33 receives is after DMX network decoding module decoding conversion DMX packet, light-adjusting module carries out brightness adjustment control according to the one or more DMX Frames in DMX packet to the dimmer in same jack assemblies, and long-range module of turning off the light also is switched on or switched off control according to the one or more Frames in DMX packet to the switch element in same group of jack assemblies.
In addition, the present embodiment also provides a kind of control method of supply module, and the method can control above-mentioned supply module, and the method comprises:
Interface unit receives non-DMX signal, and the data format of this signal is the network data comprising/be packaged with DMX packet;
Convert this non-DMX signal to DMX signal, the packet being about to comprise/be packaged with seals off into DMX packet;
Control unit carries out brightness adjustment control according to the control information (one or more DMX Frame) in this DMX signal to dimmer;
Control unit is switched on or switched off control according to the control information (one or more DMX Frame) in this DMX signal to switch element;
If dimmer is breakdown, sends the signal controlling corresponding switch element and disconnect, cut off the power supply of corresponding lamp socket, realize long-range turning off the light.Sending the mode controlling the signal that corresponding switch element disconnects can be: control unit initiatively can send the signal controlling the switch element (be all positioned at same phase line connecting line on) corresponding with breakdown dimmer and disconnect; Also can be that control unit is sent to the control signal of straight-through supply module according to external equipment, passively send the signal controlled switch unit, maybe this control signal be converted to drive level driving switch unit and disconnect.
Further, judge that whether certain dimmer of supply module is breakdown, (1) can pass through artificial judgment, as light fixture not controllably Chang Liang, (2) also can by supporting that the control unit of RDM agreement obtains the current state information of dimmer and switch element and by these status information feedbacks to host computer or light fixture, judges that whether dimmer is breakdown, (3) whether respective change can also be there is along with the change of control signal by the voltage and/or electric current detecting the phase line connecting line at dimmer place, judge that whether dimmer is breakdown, such as can send the signal of the different dimming state of many groups (or state of a control) continuously to straight-through supply module, control unit carries out brightness adjustment control according to these signals to dimmer, and obtain electric current and/or the voltage signal of dimmer place phase line stube cable, if this electric current and/or voltage there occurs corresponding change, then can judge that dimmer still normally works (at least not breakdown), if there is not corresponding change in this electric current and/or voltage, then can judge that dimmer normally works.
embodiment three
As shown in Figure 13, Figure 14, the present embodiment provides a kind of straight-through supply module, this straight-through supply module comprises: housing (not shown), be placed in housing some cables, be arranged on housing and be connected to first connector 16 and second connector 17 at some cable two ends, interface unit and two groups or more straight-through jack assemblies, the straight-through jack assemblies of each group comprises and is connected to some cables so that the lamp socket of powering to light fixture.
Straight-through supply module due to the present embodiment is provided with the first connector and the second connector, and two groups lead directly to the stube cable being respectively equipped with convex plug and cloudy plug by two ends between supply module and connect.The cloudy plug of stube cable coordinates with a wherein first connector grafting of leading directly to supply module, second connector grafting of convex plug then supply module straight-through with another coordinates, be together in series by two straight-through supply modules, the straight-through supply module series connection of three or more by that analogy.Therefore the present embodiment can adapt to the demand that professional electric power system of future generation sets up block supply network flexibly well.
Conveniently manufacture, install, the first connector of straight-through supply module, the specification of the second connector are identical, and can mutually grafting coordinate, and the convex plug of stube cable is also identical with the specification of cloudy plug, can grafting coordinate equally.In addition, the control unit that the present embodiment leads directly to supply module has multiple, these control units both can be realized by the hardware circuit or embedded system being integrated with multi-channel control function, also can by respective independently hardware circuit or Implementation of Embedded System.
Described some cables comprise zero line cable 14, ground wire cable 15 and some phase line cables 11,12,13, and the two ends of each cable are connected to the first connector 16 and the second connector 17 respectively.Such as, in the straight-through supply module shown in Figure 13, Figure 14, except having zero line cable 14, ground wire cable 15, also have A phase line cable 11, B phase line cable 12 and C phase line cable 13.
Described straight-through supply module also comprises the interface unit 30 for reception control signal.Each described straight-through jack assemblies also comprises: at least one phase line stube cable, the 4th stube cable 94, the 5th stube cable 95, earth leakage circuit-breaker 51, switch element 53 and control unit 40, described control unit 40 is connected or closing control described switch element for the control signal received according to described interface unit.Lamp socket is connected with a wherein phase line cable by phase line stube cable; and be connected with zero line cable 14 by the 4th stube cable 94; and be connected with ground wire cable 15 by the 5th stube cable 95, wherein, phase line stube cable is provided with earth leakage circuit-breaker 51, switch element 53.Switch element can adopt the controlled device with switching function to realize, as the conventional device such as electromagnetic relay, thyristor.
Described some phase line cables comprise A phase line cable 11, B phase line cable 12 and C phase line cable 13, the straight-through supply module of the present embodiment comprises the straight-through jack assemblies of M A phase, the straight-through jack assemblies of N number of B phase jack assemblies straight-through with K C phase, the lamp socket of the straight-through jack assemblies of each A phase is connected to A phase line cable, the lamp socket of the straight-through jack assemblies of each B phase is connected to B phase line cable, the lamp socket of the straight-through jack assemblies of each C phase is connected to C phase line cable, M, N, K be more than or equal to zero natural number, and between M, N, K, have at least one to be greater than zero.
The straight-through supply module of this enforcement adopts three-phase five-wire mode alternating current, and when each phase lamp socket quantity that straight-through supply module comprises is equal, namely the numerical value of M, N, K is equal, then can realize three-phase equilibrium.Such as during M=N=K=x, straight-through supply module comprises each x of lamp socket of A phase, B phase and C phase, can realize three-phase equilibrium.
Such as; straight-through supply module shown in Figure 13 comprises two groups and leads directly to jack assemblies; wherein; first group of lamp socket 61 leading directly to jack assemblies is A phase socket; it is connected to A phase line cable 11 by a phase line stube cable 91, and this phase line stube cable 91 is provided with earth leakage circuit-breaker 51, switch element 53.Second group of lamp socket 62 leading directly to jack assemblies is B phase socket, and it is connected to B phase line cable 12 by a phase line stube cable 92, and this phase line stube cable 92 is provided with earth leakage circuit-breaker 51, switch element 53.In addition, lamp socket 61, lamp socket 62 are also connected to zero line cable 14 respectively by the 4th stube cable 94, are connected to ground wire cable 15 by the 5th stube cable 95.The quantity M=1 of the straight-through jack assemblies of A phase of Figure 13, the quantity N=1 of the straight-through jack assemblies of B phase, the quantity K=0 of the straight-through jack assemblies of C phase, namely M, N, K are unequal, are three-phase imbalance socket.
Straight-through supply module shown in Figure 14 comprises three groups and leads directly to jack assemblies; wherein; first group of lamp socket 61 leading directly to jack assemblies is A phase socket, and it is connected to A phase line cable 11 by a phase line stube cable 91, and this phase line stube cable 91 is provided with earth leakage circuit-breaker 51, switch element 53.Second group of lamp socket 62 leading directly to jack assemblies is B phase line socket 12, and it is connected to B phase line cable 12 by a phase line stube cable 92, and this phase line stube cable 92 is provided with earth leakage circuit-breaker 51, switch element 53.The 3rd group of lamp socket 63 leading directly to jack assemblies is C phase socket, and it is connected to C phase line cable 13 by a phase line stube cable 93, and this phase line stube cable 93 is provided with earth leakage circuit-breaker 51, switch element 53.In addition, lamp socket 61, lamp socket 62, lamp socket 63 are also connected to zero line cable 14 respectively by the 4th stube cable 94, are connected to ground wire cable 15 by the 5th stube cable 95.The quantity M=1 of the straight-through jack assemblies of A phase of Figure 14, the quantity N=1 of the straight-through jack assemblies of B phase, the quantity K=1 of the straight-through jack assemblies of C phase, i.e. M=N=K=1 is three-phase equilibrium socket.
In each straight-through jack assemblies; on phase line stube cable 91,92,93 between one end that it is connected with corresponding phase line cable to one end that it is connected with corresponding lamp socket; earth leakage circuit-breaker 51, switch element 53 can be set gradually, also can arrange according to other orders.
As shown in Figure 15 to Figure 17, each control unit 40 of the present embodiment comprises the long-range module 43 of turning off the light be switched on or switched off for the switch element in the same straight-through jack assemblies of control signal control received by interface unit.The external control signal that interface unit receives directly transmits or after conversion, is transferred to the control unit of each straight-through jack assemblies again, and control unit carries out switch control rule according to this control signal to switch element.
As shown in Figure 12 to Figure 15, interface unit comprises the DMX signal input interface 31 for receiving DMX signal and the DMX signal output interface 32 for exporting DMX signal, and the long-range module 43 of turning off the light of each straight-through jack assemblies is switched on or switched off control for the DMX signal received by DMX signal input interface to the switch element that same group leads directly in jack assemblies.The DMX signal input of the present embodiment, output interface both can adopt XLR5 core connector (or 3 cores), and RJ45 connector also can be adopted to export DMX data.
In stage, video display lighting technology field, DMX protocol specifies data is transmitted in the mode of data packet form by asynchronous communication, and refresh rate depends on the size of each DMX packet, and maximum refresh rate is 44Hz.DMX data are surrounded by beginning code and maximum 512 Frames.Each data frame packet is containing 11bit data, and wherein 3bit is synchrodata (, as beginning label, 2bit/ high level is as stop flag in addition for 1bit/ low level) and 8bit(number range is 0 ~ 255, totally 256 grades) control data.A Frame can carry out maximum 256 values of series to one by circulation passage (parameter) and control.DMX packet maximum Ke Dui 512 tunnel controlled passage of a standard controls.
Suppose that a straight-through supply module comprises the straight-through jack assemblies of Q group, each switch element only needs a control channel, and so then the quantity sum of the controlled parameter of this supply module is Q, and the quantity of controlled passage is Q in other words.The DMX Frame that Q is respectively used to each switch element controlling straight-through supply module is included in the control signal data that signal input interface receives.Each long-range mould of turning off the light can control corresponding switch element according to corresponding DMX Frame by block respectively.
Long-range module of turning off the light all realizes by hardware circuit element, such as field programmable gate array (FPGA), programmable logic controller (PLC) (PLC) or other can perform the hardware circuit of associative operation according to external control signal/data, also can be realized by one chip microcomputer, embedded microcontroller or other embedded systems.
As shown in figure 15, the straight-through supply module of the present embodiment comprises two or more straight-through jack assemblies, the control unit of each straight-through jack assemblies also comprises communication module 41, communication module 41 comprises signal input part 411, signal forwards end 412 and routing module 413, the control unit of first straight-through jack assemblies is connected successively to the control unit (signal flows to) of last straight-through jack assemblies, the signal of the communication module of a upper straight-through jack assemblies forwards end and is connected with the signal input part that the next one leads directly to the communication module of jack assemblies, the signal input part of the communication module of the control unit of this first straight-through jack assemblies is connected with interface unit, thus the DMX communication link of series connection is formed in straight-through supply module inside.And the signal input part of the communication module of the control unit of first straight-through jack assemblies is connected with DMX signal input interface, the signal of the communication module of last straight-through jack assemblies forwards end and is connected with DMX signal output part.Communication module can adopt the conventional interface circuit that can receive and forward DMX signal.
In addition, the present embodiment also provides a kind of control method of straight-through supply module, and the method can control above-mentioned straight-through supply module, and the method comprises:
Interface unit receives DMX signal;
Each control unit is switched on or switched off control according to the control information (one or more DMX Frame) in this DMX signal to each self-corresponding switch element.
embodiment four
The present embodiment provides a kind of supply module, and the difference of the present embodiment and embodiment three is, the phase line connection cable of this enforcement is provided with dimmer 53.Control unit 40 is connected with this dimmer 53, each control unit 40 control signal also comprised for receiving according to interface unit carries out the light-adjusting module 42 of brightness adjustment control to dimmer 53, and interface unit by network signal input interface 33(see Figure 18 to Figure 21) come data instead of direct reception DMX data that receiving package contain/is packaged with DMX packet, the data of what namely the signal input interface of the present embodiment received is other protocol formats comprising/be packaged with DMX packet.Such as: (1) is packaged with the IP datagram of DMX packet; (2) the ethernet mac frame of DMX packet is directly packaged with; (3) be indirectly packaged with the ethernet mac frame of DMX packet, this mac frame is packaged with the data of extended formatting, and as IP datagram, this IP datagram is packaged with DMX packet.Network signal input interface can adopt the interface/connector of respective standard and specification according to received signal kind, such as above-mentioned 3 kinds of situations all can adopt the RJ45 interface based on Ethernet, and other also can be adopted to support the HDMI, Display Port interface, USB interface etc. of Ethernet data communication.The network signal input interface of the present embodiment adopts RJ45 interface.
In addition, the supply module of the present embodiment is also provided with the DMX network decoding module 34 for converting DMX packet to the data decode comprising/be packaged with DMX packet, and namely network decoding module 34 can convert non-DMX signal to DMX signal.DMX network decoding module 34 accessible site is to interface unit 30 or control unit 40, also can independent of interface unit 30 and control unit 40, the light-adjusting module 42 of each jack assemblies is for carrying out brightness adjustment control according to the one or more DMX Frames in DMX packet to the dimmer 52 in same jack assemblies, and long-range module 43 of turning off the light is for being switched on or switched off control according to the one or more Frames in DMX packet to the switch element 53 in same group of jack assemblies.
Such as, the DMX network decoding module 34 shown in Figure 18 is integrated into interface unit 30.Network signal input interface 33 receives outside non-DMX signal, after DMX network decoding module converts the DMX signal of standard to this non-DMX signal, serial transmission mode as shown in figure 18 can be adopted to be transferred to each control unit 40, parallel transmission mode as shown in figure 19 also can be adopted to be transferred to each control unit 40.Each control unit 40 controls each self-corresponding dimmer 52 and switch element 53 according to the DMX signal after decoding conversion.
Wherein, the supply module shown in Figure 18 comprises 3 groups of jack assemblies, and each control unit 40 comprises communication module 41, light-adjusting module 42 and long-range module 43 of turning off the light, and communication module 41 has reception DMX signal, Route Selection and DMX signal forwarding capability.The network signal input interface 33 of this supply module receives outside non-DMX signal, and DMX network decoding module 34 is transferred to each control unit 40 by serial mode after converting this non-DMX signal decoding to DMX signal.The communication module of first control unit (being arranged in figure top position) is connected successively to the communication decoder module of last control unit (being positioned at Figure below position), the communication module of first control unit is also connected with DMX network decoding module 34, the communication module of last control unit (being positioned at Figure below position).Light modulation power supply base shown in Figure 19 also comprises 3 groups of jack assemblies, and the DMX signal obtained after decoding conversion is transferred to each control unit by DMX network decoding module 34 respectively.
Again such as, the DMX network decoding mould 34 shown in Figure 20 is integrated into each control unit 40.Each control unit 40 also needs to carry out decoding to the non-DMX signal received by network signal input interface 33 respectively and converts DMX signal to, and then controls respectively dimmer 52 and switch element 53 according to the DMX control information (for controlling the DMX Frame of dimmer and switch element) in signal.The non-DMX Signal transmissions that network signal input interface can adopt serial transmission mode as shown in figure 20 to be received gives each control unit 40, and parallel transmission mode as shown in figure 21 also can be adopted to be transferred to each control unit 40 respectively.
Wherein, supply module as shown in figure 20 also comprises 3 groups of jack assemblies, each control unit 40 comprises DMX network decoding module 34, light-adjusting module 42 and long-range module 43, DMX network decoding module 34 of turning off the light to be had and receives and change non-DMX signal, Route Selection and DMX signal forwarding capability.The network signal input interface 33 of this supply module is transferred to each control unit 40 by serial mode after receiving outside non-DMX signal.The communication module of first control unit (being arranged in figure top position) is connected successively to the DMX network decoding module 3 of last control unit (being positioned at Figure below position), the DMX network decoding module of first control unit is also connected with network signal input interface 33, to receive non-DMX signal.Light modulation power supply base shown in Figure 21 also comprises 3 groups of jack assemblies, and the non-DMX signal received is transferred to each control unit by network signal input interface 33 respectively, is decoded by the DMX network decoding module self of each control unit.
The light-adjusting module of the present embodiment, long-range module of turning off the light, DMX network decoding module all realize by hardware circuit element, such as field programmable gate array (FPGA), programmable logic controller (PLC) (PLC) or other can perform the hardware circuit of associative operation according to external control signal/data, also can be realized by one chip microcomputer, embedded microcontroller or other embedded systems.Although DMX network decoding module can be integrated in control unit, but consider that the supply module of the present embodiment is provided with and organize jack assemblies more, the control unit of each jack assemblies controls all needing inner dimmer and switch element, consider from system configuration and cost-saving angle, DMX network decoding module independently should be arranged, or be integrated into interface unit, by the unified decoding of non-DMX signal, and without the need to repeating decoding.
Similar with embodiment three, each functional module involved by above-mentioned signal transacting, realizes in accessible site to hardware circuit or embedded system, also can realize respectively by independent hardware circuit or embedded system.
In addition, the present embodiment also provides a kind of control method of supply module, and the method can control above-mentioned supply module, and the method comprises:
Interface unit receives non-DMX signal, and the data format of this signal is the network data comprising/be packaged with DMX packet;
Convert this non-DMX signal to DMX signal, the packet being about to comprise/be packaged with seals off into DMX packet;
Each control unit is switched on or switched off control according to the control information (one or more DMX Frame) in this DMX signal to each self-corresponding switch element, if certain dimmer is breakdown, control unit or external equipment send the signal controlling corresponding switch element and disconnect, cut off the power supply of corresponding lamp socket, realize long-range turning off the light.Judge that whether certain dimmer is breakdown and adopt the mode that embodiment three is similar.Sending the mode controlling the signal that corresponding switch element disconnects can be: control unit initiatively can send the signal controlling the switch element (be all positioned at same phase line connecting line on) corresponding with breakdown dimmer and disconnect; Also can be that control unit is sent to the control signal of supply module according to external equipment, passively send the signal controlled switch unit, maybe this control signal be converted to drive level driving switch unit and disconnect.
Further, the two ends that the second connector of supply module/supply module and the first connector can be separately positioned on housing are led directly in the present invention, so that user carries out the serial operation of disparate modules.Similar, the signal input interface of interface unit and signal output interface (if any) also can be separately positioned on the two ends of housing.Now, the first connector and one of them signaling interface are positioned at the same one end of housing, and the second connector and another signaling interface are positioned at the housing other end, are at utmost user-friendly to.
In addition, above-described embodiment two, the interface unit of four adopts and receives non-DMX signal (comprising/be packaged with other protocol datas of DMX packet), and each phase line stube cable organized in jack assemblies sets up dimmer, and set up light-adjusting module in a control unit, be understandable that, embodiment two, four also can not establish dimmer and light-adjusting module, now embodiment one, between two, embodiment three, the main distinction between four will be that the signal data form that interface unit receives and processes is different, one is DMX signal, another is non-DMX signal, for embodiment two, four need to increase corresponding DMX network signal decoder module.
To sum up, straight-through supply module/supply module of the present invention not only can realize series connection, when dimmer is breakdown, can also carry out long-range operation of turning off the light, guarantee that performance is without significant error (be significant error if there is the normal bright phenomenon of light fixture in performance, few bright several lamps allow).In addition, the present invention has the advantages that to meet and force safety standard, easy to use and flexible, is therefore specially adapted to video display of future generation, stage specialty light electric power system.
Claims (10)
1. a straight-through supply module, for being video display, light of stage is powered, it is characterized in that, described straight-through supply module comprises: housing, be placed in some cables of described housing, arrange on the housing and be connected to the first connector and second connector at described some cable two ends, interface unit, and at least one straight-through jack assemblies, often the straight-through jack assemblies of group comprises and is connected to described some cables so that the lamp socket of powering to light fixture, described first connector, the type of described second connector is positive socket or cloudy socket, and described first connector can adopt the socket of identical type or dissimilar socket with described second connector.
2. straight-through supply module according to claim 1, is characterized in that: described straight-through supply module also comprises the interface unit for reception control signal;
Described some cables comprise zero line cable, ground wire cable and some phase line cables, and the two ends of each described cable are connected to described first connector and the second connector respectively;
Each described straight-through jack assemblies also comprises: at least one phase line stube cable, 4th stube cable, 5th stube cable, earth leakage circuit-breaker, switch element and control unit, the control signal that described control unit is used for receiving according to described interface unit is connected or closing control described switch element, described lamp socket is connected with wherein phase line cable described in by described phase line stube cable, be connected with described zero line cable by the 4th stube cable, be connected with described ground wire cable by the 5th stube cable, wherein, described phase line stube cable is provided with described earth leakage circuit-breaker, described switch element.
3. straight-through supply module according to claim 2, is characterized in that: each described control unit comprises the long-range module of turning off the light carrying out being switched on or switched off control for the described switch element controlled in same straight-through jack assemblies of the control signal received by described interface unit.
4. straight-through supply module according to claim 3, it is characterized in that: described interface unit comprises the DMX signal input interface for receiving DMX signal and the DMX signal output interface for exporting DMX signal, the described long-range module of turning off the light of the described straight-through jack assemblies of each group is switched on or switched off control for the DMX signal received by described DMX signal input interface to the described switch element that same group leads directly in jack assemblies.
5. straight-through supply module according to claim 3, it is characterized in that: described interface unit comprises network signal input interface, the data of DMX packet contain/are packaged with for receiving package, described straight-through supply module also comprises the DMX network decoding module for converting DMX packet to the described data decode comprising/be packaged with DMX packet, described network decoding module integration is in described interface unit or described control unit, or independent of described interface unit and described control unit, the described long-range module of turning off the light of each described straight-through jack assemblies is for being switched on or switched off control according at least one Frame in described DMX packet to the described switch element that same group leads directly in jack assemblies.
6. straight-through supply module according to claim 2, is characterized in that: described some phase line cables comprise A phase line cable, B phase line cable and C phase line cable; Described straight-through supply module comprises M the described straight-through jack assemblies of A phase, the described straight-through jack assemblies of N number of B phase and K the described straight-through jack assemblies of C phase, the lamp socket of the described straight-through jack assemblies of each A phase is connected to described A phase line cable, the lamp socket of the described straight-through jack assemblies of each B phase is connected to described B phase line cable, the lamp socket of the described straight-through jack assemblies of each C phase is connected to described C phase line cable, described M, N, K be more than or equal to zero natural number, and between M, N, K, have at least one to be greater than zero.
7. straight-through supply module according to claim 6, is characterized in that: the numerical value of described M, N, K is equal.
8. straight-through supply module according to claim 2, is characterized in that: described some phase line cables comprise A phase line cable, B phase line cable and C phase line cable; Described straight-through supply module comprises P described straight-through jack assemblies, and the lamp socket of each described straight-through jack assemblies is all connected to wherein phase line cable described in, described P be greater than zero natural number.
9. a control method for straight-through supply module, described straight-through supply module is the straight-through supply module described in any one of the claims 1 to 8, and it is characterized in that, described method comprises:
Described interface unit reception control signal;
Each described control unit is switched on or switched off control according to this signal to each self-corresponding switch element.
10. the control method of straight-through supply module according to claim 9, it is characterized in that: the data format of the signal that described interface unit receives is DMX packet or the network data comprising/be packaged with DMX packet, when the signal that described control unit receives is the network data comprising/be packaged with DMX packet, first convert the decoding of this network data to DMX packet, each described control unit controls each self-corresponding described switch element according to the control information in this DMX packet again.
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