CN104754816B - Dim power supply module and control method - Google Patents
Dim power supply module and control method Download PDFInfo
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- CN104754816B CN104754816B CN201310754189.9A CN201310754189A CN104754816B CN 104754816 B CN104754816 B CN 104754816B CN 201310754189 A CN201310754189 A CN 201310754189A CN 104754816 B CN104754816 B CN 104754816B
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Abstract
It is specifically a kind of to be used for the light modulation power supply module and its control method of professional light electric power system the present invention relates to stage, video display lighting technology.The module includes housing, some cables being placed in housing, the first connector and the second connector for being arranged on housing and being connected to some cable two ends, interface unit and at least one light modulation jack assemblies, lamp socket that every group of light modulation jack assemblies include being connected to some cables to power to light fixture, are connected to the light modulator of lamp socket and the control signal for being received according to interface unit carries out the control unit of brightness adjustment control to light modulator.This method can remotely close light fixture when light modulator is breakdown by control unit, ensure that performance safety is reliable.The light modulation power supply module of the present invention can realize series connection, and have the characteristics of meeting pressure safety standard, easy to use and flexible, it is possible to resolve the flexible establishment block supply network problem encountered of the professional light electric power system of video display of future generation, stage.
Description
Technical field
It is specifically a kind of light modulation power supply module and control method the present invention relates to stage, video display lighting technology.
Background technology
Traditional video display, light of stage electric power system（Alternatively referred to as professional light electric power system）Due to using loop power supply
Mode, each electricity consumption loop quantity, position, specification and property are all installed and fixed in advance, in actual use can not root
Carry out rational system call interception according to actual conditions, thus produce big above-mentioned inconvenient for use, installation workload, serious waste of resources,
The problems such as violating Electrical Safety specification, hinders the development and application of light of stage.
And the professional light electric power system of video display of future generation, stage will use block supply mode, pass through region distribution box
Distribution network can freely be overlapped by setting in the electricity consumption general power upper limit of respective regions, region, and power supply module is used as region distribution
The node of network, each node can constitute series network, can also constitute parallel network, can also constitute series and parallel network.
On the one hand, current light modulation power supply module is generally configured to 2,4,8 tunnels, i.e., at most can be for 2,4 and 8 desk lamps
Tool is used, and light fixture is pluggable on the socket of module（Power need to be matched strictly）.These light modulation power supply modules are for traditional
It can not realize and connect designed by professional light electric power system, between module and module, it is impossible to meet professional light of future generation and supply
The demand of the flexible establishment regional distribution network network of electric system.
On the other hand, current light modulation power supply module, it is necessary to which single power supply is provided（Single-phase, three-phase, builds producer more
View uses three phase mains）, all the way power supply can only be used for one group of light-adjusting module, it is existing light modulation power supply module be preferably at most 8 tunnels,
That is one group of power supply can only at most be used for 8 desk lamps tool, and in Practical Project, these independent current source lines are one considerable again
Quantity.
In addition, more seriously the air switch on these current light modulation power supply modules is manual, once in module
The light modulator in portion（Silico briquette）It is breakdown, and optional position before the lights, the big portion of staff may be set by dimming power supply module
The location of module manual-lock air switch can not be all reached in time in the case of point so that during performance, damage and adjust
Light fixture corresponding to light device keeps often bright state, causes performance accident.In performance, it is allowed to which indivedual light fixtures often go out, but never permit
Perhaps indivedual light fixture Chang Liang, if the uncontrolled Chang Liang of light fixture, this belongs to performance accident in performance, is definitely unacceptable.
Furthermore, existing light modulation power supply module is generally 2,4,8 tunnels, although use three phase mains, but it is equal to be difficult to realize three
Weighing apparatus.All there is potential safety hazard without earth leakage circuit-breaker in all circuit units.
Therefore, it is a kind of being applicable to professional light electric power system of future generation in the urgent need to developing, and more safety can
The light modulation power supply module leaned on.
The content of the invention
Present invention solves the technical problem that being to provide a kind of being applied to light electric power system of future generation professional, and more pacify
Complete reliable light modulation power supply module.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of light modulation power supply module, the tune are provided
Optical functions module includes：Housing, some cables being placed in the housing, set on the housing and be connected to described
First connector and the second connector at some cable two ends, interface unit and at least one light modulation jack assemblies, every group of light modulation
Lamp socket that jack assemblies include being connected to some cables to power to light fixture, it is connected to the tune of the lamp socket
Light device and the control unit for carrying out brightness adjustment control to the light modulator for the control signal that is received according to the interface unit.
Further, some cables include zero line cable, ground wire cable and some phase line cables, each cable
Two ends are respectively connecting to first connector and the second connector；Each light modulation jack assemblies also include：An at least phase
Line connection cable, the 4th connection cable, the 5th connection cable, earth leakage circuit-breaker and it is switched on or switched off and is controlled by the control
The switch element of unit processed, the lamp socket is led to by the phase line connection cable and phase line cable connection wherein described in one
The 4th connection cable and the zero line cable connection are crossed, by the 5th connection cable and the ground wire cable connection, wherein, it is described
Phase line connection cable is provided with the earth leakage circuit-breaker, the switch element and the light modulator, described control unit difference
It is connected with the switch element and the light modulator.
Further, each described control unit includes：For the control signal pair received according to the interface unit
The light modulator in same light modulation jack assemblies carries out the light-adjusting module of brightness adjustment control, and for according to the interface unit
The switch element in the received same light modulation jack assemblies of control signal control is switched on or switched off the long-range of control and gone out
Lamp module.
Alternatively, the interface unit includes being used to receive the DMX signal input interfaces of DMX signals and for exporting DMX
The DMX signal output interfaces of signal, the light-adjusting module of light modulation jack assemblies is used for defeated according to the DMX signals described in each group
DMX signals received by incoming interface carry out brightness adjustment control to the light modulator in same light modulation jack assemblies, described long-range
Module of turning off the light is for the DMX signals according to received by the DMX signal input interfaces in same group of light modulation jack assemblies
The switch element carries out being switched on or switched off control.
Alternatively, the interface unit includes network signal input interface, and DMX packets include/are packaged with for receiving
Data, the data that the light modulation power supply module also includes being used for include/being packaged with DMX packets to described, which are decoded, to be converted into
The DMX network decoding modules of DMX packets, the network decoding module is integrated in the interface unit or described control unit,
Or independently of the interface unit and described control unit, the light-adjusting module of each light modulation jack assemblies is used for according to institute
At least one the DMX data frame stated in DMX packets carries out brightness adjustment control to the light modulator in same light modulation jack assemblies, described
At least one data frame that long-range module of turning off the light is used in the DMX packets is to the institute in same group of light modulation jack assemblies
Switch element is stated to carry out being switched on or switched off control.
Preferably, the network signal input interface is RJ45 interfaces, and DMX packets include/are packaged with for receiving
Ethernet data bag and/or IP packets.
Alternatively, some phase line cables include A phase lines cable, B phase lines cable and C phase line cables；The light modulation is supplied
Electric module includes dimming socket group described in light modulation jack assemblies described in M A phase, light modulation jack assemblies described in N number of B phases and K C phase
Part, the lamp socket of light modulation jack assemblies described in each A phases is connected to the A phase lines cable, light modulation jack assemblies described in each B phases
Lamp socket is connected to the B phase lines cable, and the lamp socket of light modulation jack assemblies described in each C phases is connected to the C phase lines electricity
Cable, described M, N, K are the natural number more than or equal to zero, and at least one is more than zero between M, N, K.
Preferably, described M, N, K numerical value are equal.
Alternatively, some phase line cables include A phase lines cable, B phase lines cable and C phase line cables；The light modulation is supplied
Electric module includes the P light modulation jack assemblies, and the lamp socket of each light modulation jack assemblies is connected to wherein described in one
Phase line cable, the P is the natural number more than zero.
As an improvement, the light modulation power supply module includes the two or more light modulation jack assemblies, each light modulation
The described control unit of jack assemblies also includes communication module, and the communication module includes signal input part and signal forwarding end,
The control unit of first light modulation jack assemblies to the control unit that jack assemblies are dimmed last described is sequentially connected in series,
The signal forwarding end of the communication module of the upper light modulation jack assemblies and the communication mould of next light modulation jack assemblies
Block signal input part connection, this first it is described light modulation jack assemblies control unit communication module signal input part with
The interface unit connection.
As an improvement, first connector and second connector are separately positioned on the two ends of the housing.
Alternatively, first connector and second connector are separately positioned on the two ends of the housing, described to connect
The DMX signal input interfaces and the DMX signal output interfaces of mouth unit are separately positioned on the two ends of the housing.
Alternatively, in each described light modulation jack assemblies, from itself and the corresponding phase in the phase line connection cable
One end of line cable connection between one end of the corresponding lamp socket connection, sets gradually the earth leakage protective and opened to it
Pass, the switch element and the light modulator.
The present invention also provides the control method that a kind of professional performance lamplight dims power supply module, and the light modulation power supply module is
Any of the above-described described light modulation power supply module, methods described includes：
The interface unit receives control signal；
Each described control unit carries out brightness adjustment control according to the signal to each self-corresponding light modulator；
Each described control unit carries out being switched on or switched off control according to the signal to each self-corresponding switch element；
If some light modulator is breakdown, the signal that control correspondence switch element disconnects is sent, cut-out correspondence lamp socket
Power supply, realization is remotely turned off the light.
Further, the data format for the signal that the interface unit is received for DMX packets or comprising/be packaged with DMX
The network data of packet, when described control unit receive signal be comprising/be packaged with the network data of DMX packets when,
Network data decoding is first converted into DMX packets, each described control unit is further according to the control information in the DMX packets
Control each self-corresponding light modulator and the switch element.
Further, the light modulation jack assemblies quantity that the light modulation power supply module is included is Q, and each light modulation is inserted
The controlled parameter of the light modulator of holder assembly is a, and including in the DMX packets is used to control the light modulation power supply module
The total quantity of the light modulator of each light modulation jack assemblies and the DMX data frames of the switch element is at least Q*（a+1）.
Compared with prior art, the present invention uses having the beneficial effect that for technical scheme：The present invention is in light modulation power supply mould
Being provided with after the first connector and the second connector for block, can be respectively equipped with cloudy insert by two ends between two groups of light modulation power supply modules
The connection cable of head and convex plug is connected.First connector of connection cable the moon plug and wherein one light modulation power supply module is inserted
Cooperation is connect, and second connector grafting of the convex plug then with another light modulation power supply module coordinates, and power supply module string is dimmed by two
Connection gets up, and the light modulation power supply module series connection of three or more is by that analogy.Therefore this technology can solve of future generation special well
Industry electric power system flexibly sets up the technical problem that block supply network is run into.
Brief description of the drawings
Fig. 1 is one of structural representation of the light modulation power supply module of embodiment one（A phase lamp sockets）.
Fig. 2 is the two of the structural representation of the light modulation power supply module of embodiment one（B phase lamp sockets）.
Fig. 3 is the three of the structural representation of the light modulation power supply module of embodiment one（C phase lamp sockets）.
Fig. 4 is the series connection schematic diagram between the light modulation power supply module of embodiment one.
Fig. 5 is one of control principle schematic diagram of the light modulation power supply module of embodiment one.
Fig. 6 is the two of the control principle schematic diagram of the light modulation power supply module of embodiment one.
Fig. 7 is one of structural representation of the light modulation power supply module of embodiment two（A phase lamp sockets）.
Fig. 8 is one of structural representation of the light modulation power supply module of embodiment two（B phase lamp sockets）.
Fig. 9 is one of structural representation of the light modulation power supply module of embodiment two（C phase lamp sockets）.
Figure 10 is one of control principle schematic diagram of the light modulation power supply module of embodiment two.
Figure 11 is the two of the control principle schematic diagram of the light modulation power supply module of embodiment two.
Figure 12 is the three of the control principle schematic diagram of the light modulation power supply module of embodiment two.
Figure 13 is one of structural representation of the light modulation power supply module of embodiment three（2 groups of light modulation jack assemblies）.
Figure 14 is the two of the structural representation of the light modulation power supply module of embodiment three（3 groups of light modulation jack assemblies）.
Figure 15 is the communication module principle schematic of the control unit of the light modulation power supply module of embodiment three.
Figure 16 is the control principle schematic diagram of light modulation power supply module shown in Figure 12.
Figure 17 is the control principle schematic diagram of light modulation power supply module shown in Figure 13.
Figure 18 is one of control principle schematic diagram of example IV light modulation power supply module（Serial transmission）.
Figure 19 is the two of the control principle schematic diagram of example IV light modulation power supply module（Parallel transmission）.
Figure 20 is the three of the control principle schematic diagram of example IV light modulation power supply module（Serial transmission）.
Figure 21 is the four of the control principle schematic diagram of example IV light modulation power supply module（Parallel transmission）.
Embodiment
In the present invention, term " on ", " under ", "left", "right", "front", "rear", " top ", " bottom ", " interior ", " outer ",
" in ", " vertical ", " 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 not intended to limit indicated dress primarily to preferably describe the present invention and embodiment
Put, element or part there must be particular orientation, or be constructed and operated with particular orientation.
Also, above-mentioned part term is in addition to it can be used to indicate that orientation or position relationship, it is also possible to for representing it
His implication, such as term " on " also be likely used for representing certain relations of dependence or annexation in some cases.For ability
For the those of ordinary skill of domain, the concrete meaning of these terms in the present invention can be understood as the case may be.
In addition, term " installation ", " setting ", " being provided with ", " connection ", " connected " should be interpreted broadly.For example, it may be solid
Fixed connection, is detachably connected, or monolithic construction；Can mechanically connect, or electrical connection；Can be joined directly together, either
It is indirectly connected to by intermediary, or is connection internal between two devices, element or parts.For this area
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In addition, term " first ", " second " etc. are mainly used for distinguishing different device, element or parts（Specifically
Species and construction may it is identical may also be different）, it is not intended to show or implies signified showing device, element or part
Relative importance and quantity.Unless otherwise indicated, the implication of " multiple " is two or more.
Technical scheme is further described with reference to embodiment and accompanying drawing.
Embodiment one
As shown in Figure 1 to Figure 3, the present embodiment provides a kind of light modulation power supply module, and light modulation power supply module includes：Housing（Figure
Do not show）, some cables, the first connector 16 that is arranged on housing and is connected to some cable two ends that are placed in housing
With the second connector 17, interface unit and one group of light modulation jack assemblies, light modulation jack assemblies include be connected to some cables with
Just the lamp socket 61 powered to light fixture, 62,63, be connected to the light modulator 52 of lamp socket and for being received according to interface unit
The control signal arrived carries out the control unit 40 of brightness adjustment control to light modulator 52.
Above-mentioned first connector, the type of the second connector are positive socket or female socket, and first connector and institute
The socket or different types of socket of same type can be used by stating the second connector.This can between causing different light modulation power supply modules
To be attached by connection cable.For example, when the first connector, the second connector type are different, can use and set respectively
There are convex plug 71 and the connection cable 70 of cloudy plug 72 to be connected.The convex plug 71 of connection cable 70 is powered with wherein one light modulation
Second connector 17 of module（Female socket）Grafting coordinates, and the first connector of cloudy plug 72 then with another light modulation power supply module
16（Positive socket）Grafting coordinates, so that two light modulation power supply modules are together in series, the light modulation power supply module string of three or more
Connection is by that analogy.When the type of the first connector, the second connector is identical, when being positive socket, two light modulation power supply modules it
Between can be that the connection cable of female is connected using two ends；When being female socket, it can be adopted between two light modulation power supply modules
Connected with the connection cable that both ends are female.
Therefore this technology can solve electric power system of future generation professional well and flexibly set up block supply network to be run into
Technical problem.
Manufacture, install for convenience, the first connector of light modulation power supply module, the specification of the second connector are identical,
And cooperation can be mutually inserted, the convex plug of connection cable and the specification of the moon plug are also identical.Light modulator can be using the controllable of routine
Silicon light modulator, digital light adjuster etc., switch element can be realized using the controlled device with switching function, such as electromagnetism relay
The conventional devices such as device, IGCT.
Further, some cables include zero line cable 14, ground wire cable 15 and some phase line cables 11,12,13, each electricity
The two ends of cable are respectively connecting to the first connector 16 and the second connector 17.For example, the light modulation power supply module shown in E1 to Fig. 3
In, in addition to having zero line cable 14, ground wire cable 15, also A phase lines cable 11, B phase lines cable 12 and C phase lines cable 13.
Light modulation jack assemblies also include：At least the connection cable the 94, the 5th of a phase line connection cable the 91,92,93, the 4th is connected
Cable 95, earth leakage circuit-breaker 51 and it is switched on or switched off the switch element 53 for being controlled by control unit, lamp socket passes through phase
Line connection cable 91,92,93 and a wherein phase line cable connection, are connected by the 4th connection cable 94 with zero line cable 14, are led to
The 5th connection cable 95 is crossed to be connected with ground wire cable 15, wherein, phase line connection cable 91,92,93 is provided with earth leakage circuit-breaker
51st, switch element 53 and light modulator 52, control unit 40 are connected with switch element 53 and light modulator 52 respectively.
For example, the light modulation power supply module shown in Fig. 1 to Fig. 3 respectively has one group of light modulation jack assemblies, wherein, dimmed shown in Fig. 1
The lamp socket 61 of jack assemblies is A phase sockets, and it is connected to A phase lines cable 11, the phase line by a phase line connection cable 91
Connection cable 91 is provided with earth leakage circuit-breaker 51, switch element 53 and light modulator 52.In addition, lamp socket 61 also passes through the 4th
Connection cable 94 is connected to zero line cable 14, and ground wire cable 15 is connected to by the 5th connection cable 95.
The lamp socket 62 of light modulation jack assemblies shown in Fig. 2 is B phase sockets, and it is connected to by a phase line connection cable 92
B phase lines cable 12, the phase line connection cable 92 is provided with earth leakage circuit-breaker 51, switch element 53 and light modulator 52.In addition, lamp
Tool socket 62 is also connected to zero line cable 14 by the 4th connection cable 94, and ground wire cable is connected to by the 5th connection cable 95
15。
The lamp socket 63 of light modulation jack assemblies shown in Fig. 3 is C phase sockets, and it is connected to by a phase line connection cable 93
C phase lines cable 13, the phase line connection cable 93 is provided with earth leakage circuit-breaker 51, switch element 53 and light modulator 52.In addition, lamp
Tool socket 63 is also connected to zero line cable 14 by the 4th connection cable 94, and ground wire cable is connected to by the 5th connection cable 95
15。
In light modulation jack assemblies, in phase line connection cable 91,92,93 from its one end with phase line cable connection to its with
Between one end of lamp socket connection, earth leakage circuit-breaker 51, switch element 53 and light modulator 52 can be set gradually, can also
It is configured in other orders.
As shown in figure 5, each control unit 40 includes：For the control signal that is received according to interface unit 30 to light modulation
Device 52 carries out the light-adjusting module 42 of brightness adjustment control, and for the control signal controlling switch according to received by interface unit 30
Unit 53 is switched on or switched off the long-range module 43 of turning off the light of control, the external control signal that interface unit 30 is received directly transmission or
The control unit of light modulation jack assemblies is transmitted further to after converted, control unit 40 is carried out according to the control signal to light modulator 52
Brightness adjustment control and to switch element 53 carry out switch control.Above-mentioned light-adjusting module 42, it is long-range turn off the light module 43 can be by hardware
Circuit element realization, such as field programmable gate array（FPGA）, programmable logic controller (PLC)（PLC）Or other can be according to outer
Portion's control signal/data perform the hardware circuit of associative operation, can also pass through one chip microcomputer, embedded microcontroller
Device or other embedded systems are realized.
As shown in Figure 6（Can also be referring to figs. 1 to Fig. 4）, interface unit 30 includes being used to receive the DMX signals of DMX signals
Input interface 31 and the DMX signal output interfaces 32 for exporting DMX signals, the light-adjusting module 42 of light modulation jack assemblies are used for root
Brightness adjustment control is carried out to the light modulator 52 in same light modulation jack assemblies according to the DMX signals received by DMX signal input interfaces,
Brightness adjustment control is carried out to the light fixture for being connected to light modulation power supply module so as to realize, module of remotely turning off the light 43 is used for according to DMX signals
DMX signals received by input interface carry out being switched on or switched off control to the switch element 53 in same group of light modulation jack assemblies
System.The DMX signals input of this technology, output interface can both use XLR5 core connectors（Or 3 cores）, it would however also be possible to employ RJ45 connects
Device is connect to export DMX data.
In addition, the present embodiment also provides a kind of control method for dimming power supply module, this method can power to above-mentioned light modulation
Module is controlled, and this method includes：
Interface unit receives DMX signals；
Control information of the control unit in the DMX signals（One or more DMX data frames）To being carried out to light modulator
Brightness adjustment control；
Control information of the control unit in the DMX signals（One or more DMX data frames）Switch element is carried out
It is switched on or switched off control, if light modulator is breakdown, sends the signal that control correspondence switch element disconnects, cut-out correspondence lamp socket
Power supply, realization remotely turn off the light.Sending the mode for the signal that control correspondence switch element disconnects can be：Control unit can be actively
Send control switch element corresponding with breakdown light modulator（It is all located on same phase line connecting line）The signal of disconnection；Can also
It is that control unit is sent to the control signal of light modulation power supply module according to external equipment, passively sends what is controlled switch unit
Signal, or the control signal is converted into the disconnection of drive level driving switch unit.
Further, judge whether some light modulator of socket light-adjusting module is breakdown,（1）Can by artificial judgment,
Such as light fixture uncontrolled ground Chang Liang；（2）Can also be by supporting the control unit acquisition light modulator of RDM agreements and working as switch element
Preceding status information and by these status information feedbacks to host computer or light fixture, judge whether light modulator breakdown；（3）It can also lead to
Cross detection light modulator where phase line connecting line voltage and/or electric current whether can occur with the change of control signal accordingly
Change, to judge whether light modulator is breakdown, for example, can continuously send multigroup different dimming states（Or state of a control）Signal
To light modulation power supply module, control unit carries out brightness adjustment control to light modulator according to these signals, and obtains phase line where light modulator
The electric current and/or voltage signal of connection cable, if the electric current and/or voltage there occurs corresponding change, may determine that light modulation
Device still normal work（It is at least not breakdown）If corresponding change does not occur for the electric current and/or voltage, may determine that light modulator
Normal work.
Embodiment two
The present embodiment provides a kind of light modulation power supply module, and the present embodiment and the difference of embodiment one are：The present embodiment
Interface unit receives the data for include/being packaged with DMX packets by network signal input interface 33.It is illustrated in figure 7 tool
There is the socket power supply module of A phases lamp socket 61, be illustrated in figure 8 the socket power supply module with B phases lamp socket 62, such as scheme
9 show the socket power supply module with C phases lamp socket 63, and this three is received outer using network signal input interface 33
Portion's control signal.
In addition, the light modulation power supply module of the present embodiment also include be used for comprising/be packaged with DMX packets data decode
The DMX network decodings module 34 of DMX packets is converted into, network decoding module can be integrated in interface unit or control unit, or
Independently of interface unit and control unit.As shown in Figure 10, DMX network decodings module 34 is integrated in interface unit 30；As schemed
Shown in 11, DMX network decodings module 34 is integrated in control unit 40；As shown in figure 12, DMX network decodings module 34 is independently set
Put.
In the present embodiment, the signal data form received by network signal input interface 33 can be DMX packets,
Can also be the data for other protocol formats for include/being packaged with DMX packets.The latter is for example：（1）It is packaged with DMX packets
IP datagram；（2）Directly it is packaged with the ethernet mac frame of DMX packets；（3）The Ethernet of DMX packets is packaged with indirectly
Mac frame, the mac frame is packaged with the data of extended formatting, such as IP datagram, and the IP datagram is further packaged with DMX packets.
Signal input interface is according to interface/connector of the received signal species using respective standard and specification, such as above-mentioned 3 kinds of situations
RJ45 interfaces can be used, it would however also be possible to employ other support the HDMI of Ethernet data communication, Display Port to connect
Mouth, USB interface etc..
In the present embodiment, network signal input interface 33 uses RJ45 interfaces, and DMX numbers include/are packaged with for receiving
According to the Ethernet data bag of bag（MAC data frame）And/or IP packets（IP datagram）.What network signal input interface 33 was received
Packet dims the light-adjusting module of jack assemblies according to DMX data after DMX network decodings module decoding conversion DMX packets
One or more of bag DMX data frames carry out brightness adjustment control, mould of remotely turning off the light to the light modulator in same light modulation jack assemblies
Block is connected also according to one or more of DMX packets data frame to the switch element in same group of light modulation jack assemblies
Or disconnect control.
In addition, the present embodiment also provides a kind of control method for dimming power supply module, this method can power to above-mentioned light modulation
Module is controlled, and this method includes：
Interface unit receives non-DMX signals, the data format of the signal be comprising/be packaged with the network numbers of DMX packets
According to；
The non-DMX signals are converted into DMX signals, the packet that include/will be packaged with seals off into DMX packets；
Control information of the control unit in the DMX signals（One or more DMX data frames）Light modulator is adjusted
Photocontrol；
Control information of the control unit in the DMX signals（One or more DMX data frames）Switch element is carried out
It is switched on or switched off control, if light modulator is breakdown, control unit or external equipment send the signal controlled switch unit, cut
The power supply of disconnected correspondence lamp socket, realization is remotely turned off the light.Sending the mode for the signal that control correspondence switch element disconnects can be：
Control unit can actively send control switch element corresponding with breakdown light modulator（It is all located on same phase line connecting line）It is disconnected
The signal opened；It can also be that control unit is sent to the control signal of light modulation power supply module according to external equipment, passively send control
The signal that switch element processed disconnects, or the control signal is converted into the disconnection of drive level driving switch unit.The present embodiment is sentenced
The whether breakdown method described using similar embodiment one of disconnected light modulator.
Embodiment three
As shown in Figure 13, Figure 14, the present embodiment provides a kind of light modulation power supply module, and the light modulation power supply module includes：Housing
（It is not shown）, be placed in housing some cables, be arranged on housing and be connected to some cable two ends first connection
The connector 17 of device 16 and second, interface unit and two groups or more light modulation jack assemblies, each group light modulation jack assemblies bag
Include be connected to some cables so as to powered to light fixture lamp socket 61,62,63, be connected to lamp socket light modulator 52 and use
The control unit 40 of brightness adjustment control is carried out to light modulator in the control signal received according to interface unit.
Because the light modulation power supply module of the present embodiment is provided with the first connector and the second connector, two groups of light modulations are powered mould
The connection cable that convex plug and cloudy plug can be respectively equipped between block by two ends is connected.Connection cable the moon plug with wherein
First connector grafting of one light modulation power supply module coordinates, and second connector of the convex plug then with another light modulation power supply module is inserted
Cooperation is connect, two light modulation power supply modules are together in series, the light modulation power supply module series connection of three or more is by that analogy.Therefore originally
Embodiment can be well adapted for the demand that professional electric power system of future generation flexibly sets up block supply network.
Manufacture, install for convenience, the first connector of light modulation power supply module, the specification of the second connector are identical,
And cooperation can be mutually inserted, the convex plug of connection cable and the specification of the moon plug are also identical, can equally be coordinated with grafting.Light modulator
Can using conventional controllable silicon dimmer, digital light adjuster etc., switch element can using the controlled device with switching function come
Realize, such as electromagnetic relay, IGCT conventional device.In addition, the control unit of the present embodiment light modulation power supply module has multiple,
These control units can both be realized by being integrated with a hardware circuit or embedded system for multi-channel control function, also may be used
To pass through each independent hardware circuit or Implementation of Embedded System.
Some cables include zero line cable 14, ground wire cable 15 and some phase line cables 11,12,13, each cable
Two ends are respectively connecting to the first connector 16 and the second connector 17.For example, in light modulation power supply module shown in Figure 13, Figure 14,
In addition to having zero line cable 14, ground wire cable 15, also A phase lines cable 11, B phase lines cable 12 and C phase lines cable 13.
Each light modulation jack assemblies also include：An at least phase line connection cable, the 4th connection cable the 94, the 5th connection electricity
Cable 95, earth leakage circuit-breaker 51 and it is switched on or switched off the switch element 53 for being controlled by control unit 40, lamp socket passes through phase
Line connection cable and a wherein phase line cable connection, and being connected by the 4th connection cable 94 with zero line cable 14, and pass through
5th connection cable 95 is connected with ground wire cable 15, wherein, phase line connection cable is provided with earth leakage circuit-breaker 51, switch element
53 and light modulator 52, control unit 40 is connected with switch element 53 and light modulator 52 respectively.
Some phase line cables include A phase lines cable 11, B phase lines cable 12 and C phase lines cable 13, the tune of the present embodiment
Optical functions module, which dims jack assemblies, N number of B phases including M A phase and dims jack assemblies with K C phase, dims jack assemblies, each A phases
The lamp socket of light modulation jack assemblies is connected to A phase line cables, and the lamp socket that each B phases dim jack assemblies is connected to B phase lines
Cable, the lamp socket that each C phases dim jack assemblies is connected to C phase line cables, and M, N, K are the natural number more than or equal to zero,
And at least one is more than zero between M, N, K.
The light modulation power supply base module of this implementation uses three-phase five-wire mode alternating current, each phase included when light modulation power supply module
When lamp socket quantity is equal, i.e. the numerical value of M, N, K are equal, then can realize three-phase equilibrium.For example during M=N=K=x, light modulation is supplied
Lamp socket of the electrical socket module comprising A phases, B phases and C phases each x, it is possible to achieve three-phase equilibrium.
For example, the light modulation power supply module shown in Figure 13 includes two groups of light modulation jack assemblies, wherein, first group of light modulation socket group
The lamp socket 61 of part is A phase sockets, and it is connected to A phase lines cable 11, phase line connection electricity by a phase line connection cable 91
Cable 91 is provided with earth leakage circuit-breaker 51, switch element 53 and light modulator 52.The lamp socket 62 of second group of light modulation jack assemblies
For B phase sockets, it is connected to B phase lines cable 12 by a phase line connection cable 92, and the phase line connection cable 92 is provided with electric leakage
Protection switch 51, switch element 53 and light modulator 52.In addition, lamp socket 61, lamp socket 62 also pass through the 4th connection respectively
Cable 94 is connected to zero line cable 14, and ground wire cable 15 is connected to by the 5th connection cable 95.Figure 13 A phases dim socket group
Quantity N=1, C phases that quantity M=1, B phases of part dim jack assemblies dim quantity K=0 of jack assemblies, i.e. M, N, K is unequal,
For three-phase imbalance socket.
Light modulation power supply module shown in Figure 14 includes three groups of light modulation jack assemblies, wherein, first group of light modulation jack assemblies
Lamp socket 61 is A phase sockets, and it is connected to A phase lines cable 11 by a phase line connection cable 91, the phase line connection cable 91
It is provided with earth leakage circuit-breaker 51, switch element 53 and light modulator 52.The lamp socket 62 of second group of light modulation jack assemblies is B phases
Line socket 12, it is connected to B phase lines cable 12 by a phase line connection cable 92, and the phase line connection cable 92 is protected provided with electric leakage
Shield switch 51, switch element 53 and light modulator 52.The lamp socket 63 of 3rd group of light modulation jack assemblies is C phase sockets, and it passes through
One phase line connection cable 93 is connected to C phase lines cable 13, and the phase line connection cable 93 is single provided with earth leakage circuit-breaker 51, switch
Member 53 and light modulator 52.In addition, lamp socket 61, lamp socket 62, lamp socket 63 also pass through the 4th connection cable 94 respectively
Zero line cable 14 is connected to, ground wire cable 15 is connected to by the 5th connection cable 95.Figure 14 A phases dim the number of jack assemblies
Quantity N=1, C phases that amount M=1, B phases dim jack assemblies dim quantity K=1 of jack assemblies, i.e. M=N=K=1 is three-phase equilibrium
Socket.
In each light modulation jack assemblies, from itself and corresponding phase line cable connection in phase line connection cable 91,92,93
Between one end that one end is connected with corresponding lamp socket to it, earth leakage circuit-breaker 51, switch element 53 can be set gradually
With light modulator 52, it can also be configured in other orders.
As shown in Figure 15 to Figure 17, each control unit 40 of the present embodiment includes：For being received according to interface unit
Control signal to the light-adjusting module 42 that is controlled of light modulator in same light modulation jack assemblies, and for according to interface list
The long-range module of turning off the light that the switch element in the same light modulation jack assemblies of control signal control received by member is switched on or switched off
43.The direct control transmitted or each light modulation jack assemblies are transmitted further to after converted of external control signal that interface unit is received
Unit, control unit carries out brightness adjustment control to light modulator according to the control signal and carries out switch control to switch element.
As shown in Figure 12 to Figure 15, interface unit includes the DMX signal input interfaces 31 for receiving DMX signals and is used for
The DMX signal output interfaces 32 of DMX signals are exported, the light-adjusting module 42 of each light modulation jack assemblies is used to input according to DMX signals
DMX signals received by interface 31 carry out brightness adjustment control to the light modulator in same light modulation jack assemblies, so as to realize to even
The light fixture being connected on lamp socket carries out brightness adjustment control, and module of remotely turning off the light 43 is used to be received according to DMX signal input interfaces
To DMX signals in same group of light modulation jack assemblies switch element carry out be switched on or switched off control.The DMX letters of the present embodiment
Number input, output interface can both use XLR5 core connectors（Or 3 cores）, it would however also be possible to employ RJ45 connectors export DMX numbers
According to.
In stage, video display lighting technology field, the light modulator used at present mostly supports DMX agreements, DMX agreements regulation
Data are transmitted with data packet form by way of asynchronous communication, and refresh rate depends on the size of each DMX packets, maximum
Refresh rate is 44Hz.One DMX data is surrounded by beginning code and most 512 data frames.Each data frame packet data containing 11bit, its
Middle 3bit is synchrodata（1bit/ low levels are used as stop flag as beginning label, in addition 2bit/ high level）And 8bit
（Number range is 0 ~ 255, totally 256 grades）Control data.One data frame can be to one by circulation passage（Parameter）Carry out most 256
Value of series is controlled.The most tunnel controlled passages of Ke Dui 512 of DMX packets of one standard are controlled.
Assuming that a light modulation power supply module dims jack assemblies comprising Q groups, then the module includes Q light modulator and Q
Switch element, if setting the controlled parameter of each light modulator as a, then the controlled parameter sum of the module is Q (a+1), or
It is Q* (a+1) to say controlled passage quantity.Include Q* (a+1) individual difference in the control signal data that signal input interface is received
For controlling each light modulator of light modulation power supply module and the DMX data frames of each switch element.Each light-adjusting module, each remotely go out
Lamp mould can block corresponding light modulator and corresponding switch element are controlled according to corresponding DMX data frames respectively.
Light-adjusting module, long-range module of turning off the light can be realized by hardware circuit element, such as field programmable gate array
（FPGA）, programmable logic controller (PLC)（PLC）Or other can perform the hard of associative operation according to external control signal/data
Part circuit, can also be realized by one chip microcomputer, embedded microcontroller or other embedded systems.
As shown in figure 15, the light modulation power supply module of the present embodiment includes two or more light modulation jack assemblies, each light modulation
The control unit of jack assemblies also includes communication module 41, and communication module 41 includes signal input part 411, signal forwarding end 412
With routing module 413, the control unit of first light modulation jack assemblies dims the control unit of jack assemblies to last（Letter
Number flow direction on）It is sequentially connected in series, the signal forwarding end of the communication module of upper light modulation jack assemblies and next light modulation socket group
The signal input part connection of the communication module of part, the signal of the communication module of the control unit of this first light modulation jack assemblies is defeated
Enter end to be connected with interface unit, so as to be internally formed the DMX communication links of series connection in light modulation power supply module.And first light modulation is inserted
The signal input part of the communication module of the control unit of holder assembly is connected with DMX signal input interfaces, last light modulation socket
The signal forwarding end of the communication module of component is connected with DMX signal output parts.Communication module can use and can receive and forward DMX to believe
Number conventional interface circuit.
In addition, the present embodiment also provides a kind of control method for dimming power supply module, this method can power to above-mentioned light modulation
Module is controlled, and this method includes：
Interface unit receives DMX signals；
Control information of each control unit in the DMX signals（One or more DMX data frames）To each self-corresponding
Light modulator carries out brightness adjustment control；
Control information of each control unit in the DMX signals（One or more DMX data frames）To each self-corresponding
Switch element carries out being switched on or switched off control, if some light modulator is breakdown, and control unit or external equipment send control correspondence
The signal that switch element disconnects, the power supply of cut-out correspondence lamp socket, realization is remotely turned off the light.Control correspondence switch element is sent to break
The mode for the signal opened can be：Control unit can actively send control switch element corresponding with breakdown light modulator（All positions
In on same phase line connecting line）The signal of disconnection；Can also be that control unit is sent to light modulation power supply module according to external equipment
Control signal, passively send the signal controlled switch unit, or the control signal be converted into drive level driving and open
Unit is closed to disconnect.
Further, judge whether some light modulator of socket light-adjusting module is breakdown,（1）Can by artificial judgment,
Such as light fixture uncontrolled ground Chang Liang；（2）Can also be by supporting the control unit acquisition light modulator of RDM agreements and working as switch element
Preceding status information and by these status information feedbacks to host computer or light fixture, judge whether light modulator breakdown；（3）It can also lead to
Cross detection light modulator where phase line connecting line voltage and/or electric current whether can occur with the change of control signal accordingly
Change, to judge whether light modulator is breakdown, for example, can continuously send multigroup different dimming states（Or state of a control）Signal
To light modulation power supply module, control unit carries out brightness adjustment control to light modulator according to these signals, and obtains phase line where light modulator
The electric current and/or voltage signal of connection cable, if the electric current and/or voltage there occurs corresponding change, may determine that light modulation
Device still normal work（It is at least not breakdown）If corresponding change does not occur for the electric current and/or voltage, may determine that light modulator
Normal work.
Assuming that the light modulation jack assemblies quantity that includes of light modulation power supply module is Q, the light modulator of each light modulation jack assemblies by
Control parameter is a, and the light modulator and switch that each light modulation jack assemblies for being used to control light modulation power supply module are included in DMX packets are single
The total quantity of the DMX data frames of member is at least Q*（a+1）.Each switch element at least needs a control passage, that is, need to
A few DMX data frame.
Example IV
The present embodiment provides a kind of light modulation power supply module, and the present embodiment and the difference of embodiment three are, the present embodiment
Interface unit passes through network signal input interface 33（Referring to Figure 18 to Figure 21）To receive the number for include/being packaged with DMX packets
According to rather than directly receive DMX data, i.e. the present embodiment signal input interface receives is include/to be packaged with DMX data
The data of other protocol formats of bag.For example：（1）It is packaged with the IP datagram of DMX packets；（2）Directly it is packaged with DMX data
The ethernet mac frame of bag；（3）The ethernet mac frame of DMX packets is packaged with indirectly, and the mac frame is packaged with the number of extended formatting
According to such as IP datagram, the IP datagram is packaged with DMX packets.Network signal input interface can be according to received signal species
Using the interface/connector of respective standard and specification, such as above-mentioned 3 kinds of situations can be connect using the RJ45 based on Ethernet
Mouthful, it would however also be possible to employ other support HDMI, Display Port interfaces, USB interface of Ethernet data communication etc..This reality
The network signal input interface for applying example uses RJ45 interfaces.
In addition, the light modulation power supply module of the present embodiment be additionally provided with for comprising/be packaged with DMX packets data decode
Non- DMX signals can be converted into DMX letters by being converted into the DMX network decodings module 34 of DMX packets, i.e. network decoding module 34
Number.DMX network decodings module 34 can be integrated to interface unit 30 or control unit 40, can also be independently of interface unit 30 and control
Unit 40 processed, the light-adjusting module 42 of each light modulation jack assemblies is used for according to one or more of DMX packets DMX data frames pair
Light modulator 52 in same light modulation jack assemblies carries out brightness adjustment control, and module of remotely turning off the light 43 is used for according in DMX packets
One or more data frames carry out being switched on or switched off control to the switch element 53 in same group of light modulation jack assemblies.
For example, the DMX network decodings module 34 shown in Figure 18 is integrated to interface unit 30.Network signal input interface 33 connects
Outside non-DMX signals are received, DMX network decodings module is converted into after the DMX signals of standard to the non-DMX signals, can be using such as
Serial transmission mode shown in Figure 18 is transferred to each control unit 40, it would however also be possible to employ parallel transmission mode as shown in figure 19 is passed
It is defeated by each control unit 40.Each control unit 40 is according to the DMX signals decoded after conversion are to each self-corresponding light modulator 52 and open
Unit 53 is closed to be controlled.
Wherein, the light modulation power supply base module shown in Figure 18 includes 3 groups of light modulation jack assemblies, and each control unit 40 includes logical
Letter module 41, light-adjusting module 42 and long-range module 43 of turning off the light, communication module 41, which has, receives DMX signals, Route Selection and DMX
Signal forwarding capability.The network signal input interface 33 of the light modulation power supply module receives the non-DMX signals of outside, DMX network solutions
The non-DMX signals decoding is converted into after DMX signals being transferred to each control unit 40 by serial mode by code module 34.First
Control unit（The top position in figure）Communication module to last control unit（The lower position in figure）It is logical
Letter decoder module is sequentially connected in series, and the communication module of first control unit is also connected with DMX network decodings module 34, last
Control unit（The lower position in figure）Communication module.Light modulation power supply base shown in Figure 19 also includes 3 groups of light modulation sockets
The DMX signals obtained after decoding conversion are transmitted separately to each control unit by component, DMX network decodings module 34.
In another example, the DMX network decodings mould 34 shown in Figure 20 is integrated to each control unit 40.Each control unit 40 is also needed to
Decoding is carried out to the non-DMX signals received by network signal input interface 33 respectively and is converted into DMX signals, then further according to letter
DMX control information in number（DMX data frames for controlling light modulator and switch element）To light modulator 52 and switch element 53
It is respectively controlled.The non-DMX that network signal input interface can be received using serial transmission mode as shown in figure 20
Signal is transferred to each control unit 40, it would however also be possible to employ parallel transmission mode as shown in figure 21 is transferred to each control unit respectively
40。
Wherein, light modulation power supply base module as shown in figure 20 also includes 3 groups of light modulation jack assemblies, and each control unit 40 is wrapped
DMX network decodings module 34, light-adjusting module 42 and long-range module 43 of turning off the light are included, DMX network decodings module 34, which has, to be received and turn
Change non-DMX signals, Route Selection and DMX signal forwarding capabilitys.The network signal input interface 33 of the light modulation power supply module connects
Each control unit 40 is transferred to by serial mode after non-DMX signals outside receiving.First control unit（The top in figure
Position）Communication module to last control unit（The lower position in figure）DMX network decodings module 3 go here and there successively
Connection, the DMX network decodings module of first control unit is also connected with network signal input interface 33, to receive non-DMX signals.
Light modulation power supply base shown in Figure 21 also includes 3 groups of light modulation jack assemblies, and network signal input interface 33 is by the non-DMX received
Signal is transmitted separately to each control unit, is decoded by the DMX network decodings module self of each control unit.
The light-adjusting module of the present embodiment, module of remotely turning off the light, DMX network decodings module can be real by hardware circuit element
It is existing, such as field programmable gate array（FPGA）, programmable logic controller (PLC)（PLC）Or other can according to external control signal/
Data perform the hardware circuit of associative operation, can also be by one chip microcomputer, embedded microcontroller or other are embedding
Embedded system is realized.Although DMX network decodings module can be integrated in control unit, the light modulation of the present embodiment is considered
Power supply module is provided with multigroup light modulation jack assemblies, and the control unit of each light modulation jack assemblies is to being required for internal light modulator
Be controlled with switch element, from system architecture and it is cost-effective from the point of view of, DMX network decodings module should independently be set
Put, or be integrated to interface unit, i.e., by the unified decoding of non-DMX signals, without repeating decoding.
Similar with embodiment three, each functional module involved by above-mentioned signal transacting can be integrated to a hardware circuit
Or realized in embedded system, it can also be realized respectively by single hardware circuit or embedded system.
In addition, the present embodiment also provides a kind of control method for dimming power supply module, this method can power to above-mentioned light modulation
Module is controlled, and this method includes：
Interface unit receives non-DMX signals, the data format of the signal be comprising/be packaged with the network numbers of DMX packets
According to；
The non-DMX signals are converted into DMX signals, the packet that include/will be packaged with seals off into DMX packets；
Control information of each control unit in the DMX signals（One or more DMX data frames）To each self-corresponding
Light modulator carries out brightness adjustment control；
Control information of each control unit in the DMX signals（One or more DMX data frames）To each self-corresponding
Switch element carries out being switched on or switched off control；
If some light modulator is breakdown, control unit or external equipment send the signal that control correspondence switch element disconnects,
The power supply of cut-out correspondence lamp socket, realization is remotely turned off the light.Judge whether some light modulator is breakdown and use the class of embodiment three
As mode.Sending the mode for the signal that control correspondence switch element disconnects can be：Control unit can actively send control with
The corresponding switch element of breakdown light modulator（It is all located on same phase line connecting line）The signal of disconnection；It can also be control unit
Sent according to external equipment to the control signal of light modulation power supply module, passively send the signal controlled switch unit, or will
The control signal is converted into the disconnection of drive level driving switch unit.
Further, the second connector and the first connector of present invention light modulation power supply module can be separately positioned on housing
Two ends, so that user carries out the serial operation of disparate modules.Similar, the signal input interface and signal output of interface unit connect
Mouthful（If any）The two ends of housing can also be separately positioned on.Now, the first connector is located at housing with one of signaling interface
Same one end, the second connector is located at the housing other end with another signaling interface, is at utmost user-friendly.
To sum up, light modulation power supply module of the invention can not only realize series connection, can also be carried out remote when light modulator is breakdown
Journey is turned off the light operation, it is ensured that performance is without significant error（If there is light fixture, often bright phenomenon is significant error in performance, few bright several
Lamp is allowed）.In addition, the present invention has the characteristics of meeting pressure safety standard, easy to use and flexible, it is therefore particularly suitable for
The professional light electric power system of video display of future generation, stage.
Claims (10)
1. one kind light modulation power supply module, for being powered for video display, light of stage, it is characterised in that the light modulation power supply module bag
Include：Housing, some cables being placed in the housing, set on the housing and be connected to some cable two ends
The first connector and the second connector, interface unit and at least one light modulation jack assemblies, every group of light modulation jack assemblies include
The lamp socket that is connected to some cables to power to light fixture, it is connected to the light modulator of the lamp socket and for root
The control signal received according to the interface unit carries out the control unit of brightness adjustment control, first connection to the light modulator
Device, the type of second connector can adopt for positive socket or female socket, and first connector with second connector
With the socket or different types of socket of same type；When described control unit is additionally operable to judge that the light modulator is breakdown,
The signal that control correspondence switch element disconnects actively is sent, to cut off the power supply of correspondence lamp socket, realization is remotely turned off the light；Its
In, described control unit judges that the whether breakdown mode of the light modulator is：By detecting the phase line where the light modulator
Whether the voltage and/or electric current of connection cables respective change occur with the change of control signal, if the electric current and/or electricity
Pressure there occurs respective change, judge that the light modulator is not breakdown；If respective change does not occur for the electric current and/or voltage,
Judge that the light modulator is breakdown.
2. light modulation power supply module according to claim 1, it is characterised in that：Some cables include zero line cable,
Line cable and some phase line cables, the two ends of each cable are respectively connecting to first connector and the second connector；Often
The individual light modulation jack assemblies also include：An at least phase line connection cable, the 4th connection cable, the 5th connection cable, electric leakage are protected
Shield is switched and is switched on or switched off the switch element for being controlled by described control unit, and the lamp socket is connected by the phase line
Cable and phase line cable connection wherein described in one are connect, by the 4th connection cable and the zero line cable connection, is connected by the 5th
Cable and the ground wire cable connection are connect, wherein, the phase line connection cable is provided with the earth leakage circuit-breaker, the switch
Unit and the light modulator, described control unit are connected with the switch element and the light modulator respectively.
3. light modulation power supply module according to claim 2, it is characterised in that each described control unit includes：For root
The control signal received according to the interface unit carries out brightness adjustment control to the light modulator in same light modulation jack assemblies
Light-adjusting module, and for the institute in the same light modulation jack assemblies of control signal control according to received by the interface unit
State the long-range module of turning off the light that switch element be switched on or switched off control.
4. light modulation power supply module according to claim 3, it is characterised in that：The interface unit includes being used to receive DMX
The DMX signal input interfaces of signal and the DMX signal output interfaces for exporting DMX signals, dim jack assemblies described in each group
The light-adjusting module be used for DMX signals according to received by the DMX signal input interfaces to same light modulation jack assemblies
In the light modulator carry out brightness adjustment control, the long-range module of turning off the light is used to be received according to the DMX signal input interfaces
To DMX signals in same group of light modulation jack assemblies the switch element carry out be switched on or switched off control.
5. light modulation power supply module according to claim 3, it is characterised in that：The interface unit is inputted including network signal
Interface, the data of DMX packets include/are packaged with for receiving, the light modulation power supply module also include being used for it is described include/
The data decoding for being packaged with DMX packets is converted into the DMX network decoding modules of DMX packets, the network decoding module collection
Interface unit described in Cheng Yu or described control unit, or independently of the interface unit and described control unit, each light modulation
At least one DMX data frame that the light-adjusting module of jack assemblies is used in the DMX packets is inserted to same light modulation
Light modulator in holder assembly carries out brightness adjustment control, and the long-range module of turning off the light is at least one in the DMX packets
Individual data frame carries out being switched on or switched off control to the switch element in same group of light modulation jack assemblies.
6. light modulation power supply module according to claim 2, it is characterised in that：Some phase line cables include A phase lines electricity
Cable, B phase lines cable and C phase line cables；The light modulation power supply module includes light modulation jack assemblies described in M A phase, described in N number of B phases
Jack assemblies are dimmed described in light modulation jack assemblies and K C phase, the lamp socket of light modulation jack assemblies is connected to institute described in each A phases
A phase line cables are stated, the lamp socket of light modulation jack assemblies described in each B phases is connected to the B phase lines cable, light modulation described in each C phases
The lamp socket of jack assemblies is connected to the C phase lines cable, and described M, N, K are the natural number more than or equal to zero, and M, N, K
Between at least one be more than zero.
7. light modulation power supply module according to claim 6, it is characterised in that：Described M, N, K numerical value are equal.
8. light modulation power supply module according to claim 2, it is characterised in that：Some phase line cables include A phase lines electricity
Cable, B phase lines cable and C phase line cables；The light modulation power supply module includes the P light modulation jack assemblies, and each light modulation is inserted
The lamp socket of holder assembly is connected to phase line cable wherein described in one, and the P is the natural number more than zero.
9. a kind of control method for dimming power supply module, the light modulation power supply module is described in any one of the claims 1 to 8
Light modulation power supply module, it is characterised in that methods described includes：
The interface unit receives control signal；
Each described control unit carries out brightness adjustment control according to the signal to each self-corresponding light modulator；
Each described control unit carries out being switched on or switched off control according to the signal to each self-corresponding switch element；
If some light modulator is breakdown, the signal that control correspondence switch element disconnects is sent, the power supply of correspondence lamp socket is cut off,
Realization is remotely turned off the light.
10. the control method of light modulation power supply module according to claim 9, it is characterised in that：The interface unit is received
Signal data format for DMX packets or comprising/network datas of DMX packets is packaged with, when described control unit connects
The signal of receipts be comprising/be packaged with the network data of DMX packets when, first by the network data decoding be converted into DMX packets,
Each described control unit controls each self-corresponding light modulator and the switch further according to the control information in the DMX packets
Unit.
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|---|---|---|---|
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|---|---|---|---|
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| WO1994021008A1 (en) * | 1993-03-02 | 1994-09-15 | Caradon Mk Electric Limited | An electrical control and connection system |
| CN201629887U (en) * | 2010-03-25 | 2010-11-10 | 厦门瑞兆能源科技有限公司 | Multi-path LED power supply intelligent control system |
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|---|---|
| CN104754816A (en) | 2015-07-01 |
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