CN104754820B - Light modulation power supply module and control method for professional performance lamplight - Google Patents
Light modulation power supply module and control method for professional performance lamplight Download PDFInfo
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- CN104754820B CN104754820B CN201310754661.9A CN201310754661A CN104754820B CN 104754820 B CN104754820 B CN 104754820B CN 201310754661 A CN201310754661 A CN 201310754661A CN 104754820 B CN104754820 B CN 104754820B
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Abstract
The present invention relates to stage, video display lighting technology, specifically a kind of light modulation power supply module and its control method for professional performance lamplight power supply system.The module includes shell, is placed in shell several cables, the positive socket and female socket for being arranged on shell and being connected to several cable ends, interface unit and at least one light modulation jack assemblies, every group of light modulation jack assemblies include be connected to several cables so as to power to lamps and lanterns lamp socket, be connected to lamp socket light modulator and for according to interface unit receive control signal to light modulator carry out brightness adjustment control control unit.This method can remotely close lamps and lanterns 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 that meet pressure safety standard, easy to use and flexible, can solve next-generation video display, stage profession light power supply system flexible establishment block supply network problem encountered.
Description
Technical field
The present invention relates to stage, video display lighting technologies, are particularly used for light modulation power supply module and the control of professional performance lamplight
Method processed.
Background technology
Traditional video display, light of stage power supply system（Alternatively referred to as professional light power supply system）Due to using loop power supply
Mode, each electricity consumption circuit quantity, position, specification and property, all installation fixes in advance, in actual use can not root
Carry out rational system call interception according to actual conditions, thus generate it is above-mentioned it is inconvenient for use, installation workload is big, 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 power supply system of next-generation video display, stage will use block supply mode, pass through region distribution box
The electricity consumption general power upper limit of corresponding region is set, can freely overlap distribution network in region, power supply module is as region distribution
The node of network, each node constitute series network, can also form parallel network, can also form 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 uses, and lamps and lanterns are pluggable on the socket of module（Power need to be matched strictly）.These light modulation power supply modules are for traditional
Designed by professional light power supply system, it cannot achieve and connect between module and module, cannot be satisfied next-generation professional light and supply
The flexible demand for setting up regional distribution network network of electric system.
On the other hand, current light modulation power supply module, it is necessary to which individual power supply is provided（Single-phase, three-phase, producer build more
View uses three phase mains）, power supply can only be for one group of light-adjusting module use all the way, and existing light modulation power supply module is preferably at most 8 tunnels,
That is one group of power supply can only at most have for 8 desk lamps and use, 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 be manually, once in module
The light modulator in portion（Silico briquette）It is breakdown, and any position before the lights, the big portion of staff may be arranged by dimming power supply module
All the location of module can not be reached in time in the case of point and air switch is turned off manually so that during performance, damage is adjusted
Lamps and lanterns holding corresponding to light device is always on state, causes performance accident.In performance, individual lamps and lanterns is allowed often to go out, but never permitted
Perhaps individual lamps and lanterns are always on, and are always on if lamps and lanterns are uncontrolled, this belongs to performance accident in performance, are absolutely unacceptable.
Furthermore existing light modulation power supply module is mostly 2,4,8 tunnels, although using three phase mains, it is equal to be difficult to realize three
Weighing apparatus.All without earth leakage circuit-breaker in all circuit units, there are security risks.
Therefore, a kind of being applicable to next-generation professional light power supply system there is an urgent need to develop, and more safety can
The light modulation power supply module leaned on.
Invention content
The technical problem to be solved by the present invention is to provide a kind of being suitable for next-generation professional light power supply system, 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：It provides a kind of for professional performance lamplight
Power supply module is dimmed, the light modulation power supply module includes shell, several cables for being placed in the shell, is arranged in the shell
Go up and be connected to positive socket and female socket, the interface unit and light modulation jack assemblies of several cable ends, the tune
Optical receptacle component include be connected to several cables so as to power to lamps and lanterns lamp socket, be connected to the lamp socket
Light modulator and for according to the interface unit receive control signal to the light modulator carry out brightness adjustment control control list
Member.
Further, several cables include zero curve cable, ground wire cable and several phase line cables, each cable
Both ends are respectively connected to the positive socket and female socket；The light modulation jack assemblies further include：An at least phase line connecting cable,
Four connecting cables, the 5th connecting cable, earth leakage circuit-breaker and it is switched on or switched off the switch list for being controlled by described control unit
Member, the lamp socket pass through the 4th connecting cable by the phase line connecting cable and the wherein one phase line cable connection
With the zero curve cable connection, pass through the 5th connecting cable and the ground wire cable connection, wherein on the phase line connecting cable
Equipped with the earth leakage circuit-breaker, the switch unit and the light modulator, described control unit respectively with the switch unit
It is connected with the light modulator.
Further, each described control unit includes：Control signal for being received according to the interface unit
The light-adjusting module of brightness adjustment control is carried out to the light modulator, and for the control signal received by the interface unit
The long-range module of turning off the light that the switch unit is carried out being switched on or switched off control.
Optionally, the interface unit includes DMX signal input interfaces for receiving DMX signals and for exporting DMX
The DMX signal output interfaces of signal, the light-adjusting module of the light modulation jack assemblies are used to be connect according to DMX signals input
DMX signals received by mouthful carry out brightness adjustment control to the light modulator in the light modulation jack assemblies, described remotely to turn off the light
Module is for the DMX signals received by the DMX signal input interfaces to opening described in the light modulation jack assemblies
Unit is closed to carry out being switched on or switched off control.
Optionally, the interface unit includes network signal input interface, include/is packaged with DMX data packets for receiving
Data, the light modulation power supply module further includes that the data for include/being packaged with DMX data packets to described are decoded and are converted into
The DMX network decoding modules of DMX data packets, the network decoding module are integrated in the interface unit or described control unit,
Or independently of the interface unit and described control unit, the light-adjusting module of the light modulation jack assemblies is used for according to
At least one of DMX data packets DMX data frames carry out brightness adjustment control to the light modulator in the light modulation jack assemblies, described remote
Journey go out lamp module for according at least one of DMX data packets data frame to opening described in the light modulation jack assemblies
Unit is closed to carry out being switched on or switched off control.
Preferably, the network signal input interface is RJ45 interfaces, include/is packaged with DMX data packets for receiving
Ethernet data bag and/or IP data packets.
Further, several phase line cables include A phase lines cable, B phase lines cable and C phase line cables, the light modulation
The lamp socket of jack assemblies is connected to the wherein one phase line cable.
Optionally, the positive socket and the female socket are separately positioned on the both ends of the shell.
Preferably, the positive socket and the female socket are separately positioned on the both ends of the shell, the interface unit
The DMX signal input interfaces and the DMX signal output interfaces are separately positioned on the both ends of the shell.
Optionally, on the phase line connecting cable from it with one end of the corresponding phase line cable connection to its with it is described
Between one end of lamp socket connection, the earth leakage circuit-breaker, the switch unit and the light modulator are set gradually.
The present invention also provides the control method that a kind of professional performance lamplight dims power supply module, the light modulation power supply module is
Any of the above-described light modulation power supply module, the method includes：
The interface unit receives control signal；
Described control unit carries out brightness adjustment control according to the signal to the light modulator；
Described control unit carries out the switch unit according to the signal to be switched on or switched off control, if judging the light modulation
Device is breakdown, sends out the control switch unit and disconnects, cut off the power supply of corresponding lamp socket, realization is remotely turned off the light.
Further, the data format of the interface unit received signal be DMX data packets or comprising/be packaged with DMX
The network data of data packet, when described control unit received signal be comprising/be packaged with the network data of DMX data packets when,
Network data decoding is first converted into DMX data packets, described control unit is further according to the control information control in the DMX data packets
Make the light modulator and the switch unit.
Compared with prior art, of the invention used technical solution has the beneficial effect that：The present invention is in light modulation power supply mould
Block be provided with positive socket and female socket after, cloudy plug and sun can be respectively equipped between two groups of light modulation power supply modules by both ends and is inserted
The connecting cable of head is connected.Connecting cable the moon plug and the positive socket of wherein one light modulation power supply module are mating, and positive
Plug then with it is another light modulation power supply module female socket it is mating, by two light modulation power supply modules be together in series, three or with
On light modulation power supply module series connection and so on.Therefore this technology can well solve next-generation professional flexible group of power supply system
Build the technical issues of block supply network is encountered.
Description of the drawings
Fig. 1 is one of the structural schematic diagram that embodiment one dims power supply module（A phase lamp sockets）.
Fig. 2 is the second structural representation that embodiment one dims power supply module（B phase lamp sockets）.
Fig. 3 is the third structural representation that embodiment one dims power supply module（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 the control principle schematic diagram that embodiment one dims power supply module.
Fig. 6 is the two of the control principle schematic diagram that embodiment one dims power supply module.
Fig. 7 is one of the structural schematic diagram that embodiment two dims power supply module（A phase lamp sockets）.
Fig. 8 is one of the structural schematic diagram that embodiment two dims power supply module（B phase lamp sockets）.
Fig. 9 is one of the structural schematic diagram that embodiment two dims power supply module（C phase lamp sockets）.
Figure 10 is one of the control principle schematic diagram that embodiment two dims power supply module.
Figure 11 is the two of the control principle schematic diagram that embodiment two dims power supply module.
Figure 12 is the three of the control principle schematic diagram that embodiment two dims power supply module.
Figure 13 is one of the structural schematic diagram that embodiment three dims power supply module（2 groups of light modulation jack assemblies）.
Figure 14 is the second structural representation that embodiment three dims power supply module（3 groups of light modulation jack assemblies）.
Figure 15 is the communication module principle schematic for the control unit that embodiment three dims power supply module.
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 the 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）.
Specific implementation mode
In the present invention, term "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outside",
" in ", "vertical", "horizontal", " transverse direction ", the orientation or positional relationship of the instructions such as " longitudinal direction " be orientation based on ... 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
It sets, element or component must have particular orientation, or be constructed and operated with particular orientation.
Also, above-mentioned part term is other than it can be used to indicate that orientation or positional relationship, it is also possible to for indicating it
His meaning, such as term "upper" also are likely used for indicating certain relations of dependence or connection relation 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 equipped with ", " connection ", " connected " shall be understood in a broad sense.For example, it may be solid
Fixed connection, is detachably connected or monolithic construction；Can be mechanical connection, or electrical connection；It can be directly connected, either
Indirectly connected through an intermediary, or it is two connections internal between device, element or component.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In addition, term " first ", " second " etc. are mainly used for distinguishing different devices, element or component（Specifically
Type and construction may it is identical may also be different）, it is not intended to show or imply signified showing device, element or component
Relative importance and quantity.Unless otherwise indicated, the meaning of " multiple " is two or more.
Technical scheme of the present invention is further described with reference to embodiment and attached drawing.
Embodiment one
As shown in Figure 1 to Figure 3, the present embodiment provides a kind of light modulation power supply module, light modulation power supply module includes：Shell（Figure
Do not show）, several cables being placed in shell, the positive socket 16 and the moon that are arranged on shell and are connected to several cable ends
Socket 17, interface unit and one group of light modulation jack assemblies, light modulation jack assemblies include being connected to several cables so as to lamps and lanterns
The lamp socket 61 of power supply, 62,63, be connected to the light modulator 52 of lamp socket and the control for being received according to interface unit
Signal carries out light modulator 52 control unit 40 of brightness adjustment control.
Since the light modulation power supply module of the present embodiment is provided with positive socket and female socket, as shown in figure 4, two groups of light modulation power supplies
The connecting cable 70 that convex plug 71 and cloudy plug 72 can be respectively equipped between module by both ends is connected.Connecting cable 70
The female socket 17 of convex plug 71 and wherein one light modulation power supply module is mating, and cloudy plug 72 then with another light modulation power supply module
Positive socket 16 it is mating, to by two light modulation power supply modules be together in series, three or more light modulation power supply module strings
Connection and so on.Therefore this technology, which can well solve next-generation professional power supply system and flexibly set up block supply network, is met
To the technical issues of.
In order to facilitate manufacturing, installing, positive socket, the specification of female socket for dimming power supply module are identical, and can be mutual
Mating, the specification of the convex plug of connecting cable and cloudy plug is also identical.Light modulator can be used conventional controllable silicon dimmer,
The controlled device with switching function can be used to realize in digital light adjuster etc., switch unit, such as electromagnetic relay, thyristor
Conventional device.
Further, several cables include zero curve cable 14, ground wire cable 15 and several phase line cables 11,12,13, each electricity
The both ends of cable are separately connected Zhiyang socket 16 and female socket 17.For example, in Fig. 1 to light modulation power supply module shown in Fig. 3, in addition to having
Outside zero curve cable 14, ground wire cable 15, also A phase lines cable 11, B phase lines cable 12 and C phase lines cable 13.
Dimming jack assemblies further includes：The 91,92,93, the 4th connecting cable the 94, the 5th of an at least phase line connecting cable connects
Cable 95, earth leakage circuit-breaker 51 and it is switched on or switched off the switch unit 53 for being controlled by control unit, lamp socket passes through phase
Line connecting cable 91,92,93 and a wherein phase line cable connection, are connect by the 4th connecting cable 94 with zero curve cable 14, are led to
It crosses the 5th connecting cable 95 to connect with ground wire cable 15, wherein phase line connecting cable 91,92,93 is equipped with earth leakage circuit-breaker
51, switch unit 53 and light modulator 52, control unit 40 are connect with switch unit 53 and light modulator 52 respectively.
For example, Fig. 1 respectively has one group of light modulation jack assemblies to light modulation power supply module shown in Fig. 3, wherein light modulation shown in Fig. 1
The lamp socket 61 of jack assemblies is A phase sockets, and A phase lines cable 11, the phase line are connected to by a phase line connecting cable 91
Connecting cable 91 is equipped with earth leakage circuit-breaker 51, switch unit 53 and light modulator 52.In addition, lamp socket 61 also passes through the 4th
Connecting cable 94 is connected to zero curve cable 14, and ground wire cable 15 is connected to by the 5th connecting cable 95.
The lamp socket 62 of light modulation jack assemblies shown in Fig. 2 is B phase sockets, is connected to by a phase line connecting cable 92
B phase lines cable 12, the phase line connecting cable 92 are equipped with earth leakage circuit-breaker 51, switch unit 53 and light modulator 52.In addition, lamp
Tool socket 62 is also connected to zero curve cable 14 by the 4th connecting cable 94, and ground wire cable is connected to by the 5th connecting cable 95
15。
The lamp socket 63 of light modulation jack assemblies shown in Fig. 3 is C phase sockets, is connected to by a phase line connecting cable 93
C phase lines cable 13, the phase line connecting cable 93 are equipped with earth leakage circuit-breaker 51, switch unit 53 and light modulator 52.In addition, lamp
Tool socket 63 is also connected to zero curve cable 14 by the 4th connecting cable 94, and ground wire cable is connected to by the 5th connecting cable 95
15。
In dimming jack assemblies, one end on phase line connecting cable 91,92,93 from it with phase line cable connection to its with
Between one end of lamp socket connection, earth leakage circuit-breaker 51, switch unit 53 and light modulator 52 can be set gradually, it can also
It is configured in other orders.
As shown in figure 5, each control unit 40 includes：Control signal for being received according to interface unit 30 is to light modulation
Device 52 carries out the light-adjusting module 42 of brightness adjustment control, and for the control Signal-controlled switch 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 receives directly transmission or
The control unit of light modulation jack assemblies is transmitted further to after converted, control unit 40 carries out light modulator 52 according to the control signal
Brightness adjustment control and switch control is carried out to switch unit 53.Above-mentioned light-adjusting module 42, long-range module 43 of turning off the light can pass through hardware
Circuit element is realized, such as field programmable gate array（FPGA）, programmable logic controller (PLC)（PLC）Or other can be according to outer
Portion controls signal/data to execute the hardware circuit of relevant operation, can also pass through one chip microcomputer, embedded microcontroller
Device or other embedded systems are realized.
As shown in Figure 6（It can also be referring to figs. 1 to Fig. 4）, interface unit 30 includes the DMX signals for receiving DMX signals
Input interface 31 and DMX signal output interfaces 32 for exporting DMX signals, the light-adjusting module 42 for dimming 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 lamps and lanterns for being connected to light modulation power supply module 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 unit 53 in same group of light modulation jack assemblies
System.XLR5 core connectors had both may be used in the DMX signals input of this technology, output interface（Or 3 core）, RJ45 can also be used to connect
Device is connect to export DMX data.
In addition, the present embodiment also provides a kind of control method of light modulation 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 unit is according to the control information in the DMX signals（One or more DMX data frames）To being carried out to light modulator
Brightness adjustment control；
Control unit is according to the control information in the DMX signals（One or more DMX data frames）Switch unit is carried out
It is switched on or switched off control, if light modulator is breakdown, sends out the signal that the corresponding switch unit of control disconnects, cut off corresponding lamp socket
Power supply, realization remotely turn off the light.Sending out the mode for the signal that the corresponding switch unit of control disconnects can be：Control unit can be actively
Send out control switch unit corresponding with breakdown light modulator（It is all located on same phase line connecting line）The signal of disconnection；It can also
The control signal of to be control unit be sent to according to external equipment light modulation power supply module passively sends out and controls switch unit
Signal, or the control signal is converted into drive level driving switch unit and is disconnected.
Further, judge whether some light modulator of socket light-adjusting module is breakdown,（1）Can by artificial judgment,
As lamps and lanterns it is uncontrolled be always on；（2）It can also be by supporting the control unit acquisition light modulator of RDM agreements and working as switch unit
Preceding status information and by these status information feedbacks to host computer or lamps and lanterns, judge whether light modulator breakdown；（3）It can also lead to
Whether the voltage and or current for the phase line connecting line crossed where detection light modulator can occur corresponding with the variation of control signal
Variation to judge whether light modulator is breakdown, such as can continuously send out multigroup different dimming states（Or state of a control）Signal
To light modulation power supply module, control unit carries out brightness adjustment control according to these signals to light modulator, and obtains phase line where light modulator
The electric current and/or voltage signal of connecting cable may determine that light modulation if corresponding variation has occurred in the electric current and/or voltage
Device still works normally（It is at least not breakdown）If the electric current and/or voltage do not occur to change accordingly, light modulator may determine that
Normal work.
Embodiment two
The present embodiment provides a kind of light modulation power supply modules, the difference between this embodiment and the first embodiment lies in：The present embodiment
Interface unit receives the data for include/being packaged with DMX data packets by network signal input interface 33.It is illustrated in figure 7 tool
The socket power supply module for having A phases lamp socket 61 is illustrated in figure 8 the socket power supply module with B phases lamp socket 62, such as schemes
9 show the socket power supply module with C phases lamp socket 63, and it is outer to receive that this three is all made of network signal input interface 33
Portion controls signal.
In addition, the light modulation power supply module of the present embodiment further include for comprising/be packaged with DMX data packets data decode
It is converted into the DMX network decodings module 34 of DMX data packets, 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；Such as figure
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
It sets.
In the present embodiment, the signal data format received by network signal input interface 33 can be DMX data packets,
Can also be the data for other protocol formats for include/being packaged with DMX data packets.The latter is for example：（1）It is packaged with DMX data packets
IP datagram；（2）Directly it is packaged with the ethernet mac frame of DMX data packets；（3）It is packaged with the Ethernet of DMX data packets indirectly
Mac frame, the mac frame are packaged with the data of extended formatting, such as IP datagram, which is further packaged with DMX data packets.
Signal input interface uses the interface/connector of respective standard and specification, such as above-mentioned 3 kinds of situations according to received signal type
RJ45 interfaces may be used, the HDMI interface of other support Ethernet data communications, Display Port can also be used to connect
Mouth, USB interface etc..
In the present embodiment, network signal input interface 33 uses RJ45 interfaces, include/is packaged with DMX numbers for receiving
According to the Ethernet data bag of packet（MAC data frame）And/or IP data packets（IP datagram）.What network signal input interface 33 received
Data packet dims the light-adjusting module of jack assemblies according to DMX data after DMX network decoding modules decode conversion DMX data packets
One or more of packet 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 connects the switch unit in same group of light modulation jack assemblies also according to one or more of DMX data packets data frame
Or disconnect control.
In addition, the present embodiment also provides a kind of control method of light modulation 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 data packets
According to；
The non-DMX signals are converted into DMX signals, i.e., will be sealed off into DMX data packets comprising the/data packet that is packaged with；
Control unit is according to the control information in the DMX signals（One or more DMX data frames）Light modulator is adjusted
Photocontrol；
Control unit is according to the control information in the DMX signals（One or more DMX data frames）Switch unit is carried out
It is switched on or switched off control, if light modulator is breakdown, control unit or external equipment send out the signal to control switch unit, cut
The power supply of disconnected corresponding lamp socket, realization are remotely turned off the light.Sending out the mode for the signal that the corresponding switch unit of control disconnects can be：
Control unit can actively send out control switch unit 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 the control signal that control unit is sent to light modulation power supply module according to external equipment, passively send out control
The signal that switch unit processed disconnects, or the control signal is converted into drive level driving switch unit and is disconnected.The present embodiment is sentenced
The whether breakdown method that similar embodiment one can be used and described 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, which includes：Shell
（It is not shown）, several cables being placed in shell, the positive socket 16 that is arranged on shell and is connected to several cable ends
With female socket 17, interface unit and two groups or more light modulation jack assemblies, each group light modulation jack assemblies include being connected to
Several cables so as to power to lamps and lanterns lamp socket 61,62,63, be connected to the light modulator 52 of lamp socket and for according to connecing
The control signal that mouth unit receives carries out light modulator the control unit 40 of brightness adjustment control.
It, can between two groups of light modulation power supply modules since the light modulation power supply module of the present embodiment is provided with positive socket and female socket
The connecting cable that convex plug and cloudy plug are respectively equipped with by both ends is connected.Connecting cable the moon plug is supplied with wherein one light modulation
The positive socket of electric module is mating, and convex plug is then mating with the female socket of another light modulation power supply module, and two are adjusted
Optical functions block coupled in series gets up, three or more light modulation power supply module series connection and so on.Therefore the present embodiment can be fine
Ground adapts to the demand that next-generation professional power supply system flexibly sets up block supply network.
In order to facilitate manufacturing, installing, positive socket, the specification of female socket for dimming power supply module are identical, and can be mutual
Mating, the specification of the convex plug of connecting cable and cloudy plug is also identical, equally can be mating.Light modulator can be used often
The controlled device with switching function can be used to realize, such as electricity in controllable silicon dimmer, digital light adjuster of rule etc., switch unit
The conventional devices such as magnetic relay, thyristor.In addition, the control unit of the present embodiment light modulation power supply module has multiple, these controls
Unit can both realize by being integrated with a hardware circuit or the embedded system of multi-channel control function, can also be by each
From independent hardware circuit or Implementation of Embedded System.
Several cables include zero curve cable 14, ground wire cable 15 and several phase line cables 11,12,13, each cable
Both ends are separately connected Zhiyang socket 16 and female socket 17.For example, being dimmed in power supply module shown in Figure 13, Figure 14, in addition to having zero
Outside 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 further include：An at least phase line connecting cable, the 4th connecting cable the 94, the 5th connection electricity
Cable 95, earth leakage circuit-breaker 51 and it is switched on or switched off the switch unit 53 for being controlled by control unit 40, lamp socket passes through phase
Line connecting cable and a wherein phase line cable connection, and connect with zero curve cable 14 by the 4th connecting cable 94, and pass through
5th connecting cable 95 is connect with ground wire cable 15, wherein phase line connecting cable is equipped with earth leakage circuit-breaker 51, switch unit
53 and light modulator 52, control unit 40 connect respectively with switch unit 53 and light modulator 52.
Several 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 includes that M A phase dims jack assemblies, N number of B phases dim jack assemblies and dim jack assemblies, each A phases with K C phase
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 are 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, when each phase that light modulation power supply module includes
When lamp socket quantity is equal, i.e. the numerical value of M, N, K are equal, then three-phase equilibrium may be implemented.Such as when M=N=K=x, light modulation supplies
Electrical socket module includes the lamp socket each x of A phases, B phases and C phases, and three-phase equilibrium may be implemented.
For example, it includes two groups of light modulation jack assemblies to dim power supply module shown in Figure 13, wherein first group of light modulation socket group
The lamp socket 61 of part is A phase sockets, and A phase lines cable 11, phase line connection electricity are connected to by a phase line connecting cable 91
Cable 91 is equipped with earth leakage circuit-breaker 51, switch unit 53 and light modulator 52.The lamp socket 62 of second group of light modulation jack assemblies
For B phase sockets, B phase lines cable 12 is connected to by a phase line connecting cable 92, which is equipped with electric leakage
Protect switch 51, switch unit 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 curve cable 14, and ground wire cable 15 is connected to by the 5th connecting cable 95.The A phases of Figure 13 dim socket group
Quantity N=1, the C phase that quantity M=1, the B phase of part dims jack assemblies dims quantity K=0 of jack assemblies, i.e. M, N, K is unequal,
For three-phase imbalance socket.
It includes three groups of light modulation jack assemblies that power supply module is dimmed shown in Figure 14, wherein first group of light modulation jack assemblies
Lamp socket 61 is A phase sockets, is connected to A phase lines cable 11 by a phase line connecting cable 91, the phase line connecting cable 91
It is equipped with earth leakage circuit-breaker 51, switch unit 53 and light modulator 52.The lamp socket 62 of second group of light modulation jack assemblies is B phases
Line socket 12 is connected to B phase lines cable 12 by a phase line connecting cable 92, which is equipped with electric leakage and protects
Protect switch 51, switch unit 53 and light modulator 52.The lamp socket 63 that third group dims jack assemblies is C phase sockets, is passed through
One phase line connecting cable 93 is connected to C phase lines cable 13, and it is single which is equipped 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 connecting cable 94 respectively
It is connected to zero curve cable 14, ground wire cable 15 is connected to by the 5th connecting cable 95.The A phases of Figure 14 dim the number of jack assemblies
M=1 is measured, quantity N=1, the C phase that B phases dim jack assemblies dims 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 on phase line connecting cable 91,92,93
Between one end that one end is connected with corresponding lamp socket to it, earth leakage circuit-breaker 51, switch unit 53 can be set gradually
With light modulator 52, 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
Control signal received by member controls the long-range module of turning off the light that the switch unit in same light modulation jack assemblies 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 receives
Unit, control unit carry out brightness adjustment control to light modulator according to the control signal and carry out switch control to switch unit.
As shown in Figure 12 to Figure 15, interface unit includes DMX signal input interfaces 31 for receiving DMX signals and is used for
The DMX signal output interfaces 32 of DMX signals are exported, each light-adjusting module 42 for dimming 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, to realize to even
The lamps and lanterns being connected on lamp socket carry out brightness adjustment control, and module of remotely turning off the light 43 according to DMX signal input interfaces for being received
To DMX signals the switch unit in same group of light modulation jack assemblies is carried out being switched on or switched off control.The DMX of the present embodiment believes
Number input, output interface XLR5 core connectors both may be used（Or 3 core）, can also DMX numbers be exported using RJ45 connectors
According to.
In stage, video display lighting technology field, light modulator used at present mostly supports DMX agreements, DMX agreements regulation
Data are transmitted in such a way that data packet form is by asynchronous communication, and refresh rate depends on the size of each DMX data 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,
Middle 3bit is synchrodata（1bit/ low levels are as beginning label, and in addition 2bit/ high level is as stop flag）And 8bit
（Numberical range be 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 controls.The most 512 tunnel controlled passages of Ke Dui of DMX data packets of one standard are controlled.
Assuming that a light modulation power supply module includes that Q groups dim jack assemblies, then the module includes Q light modulator and Q
Switch unit, if setting the controlled parameter of each light modulator as a, then the sum of controlled parameter of the module is Q (a+1), or
Say that controlled passage quantity is Q* (a+1).It include Q* (a+1) a difference in the control signal data that signal input interface receives
DMX data frames for each light modulator and each switch unit that control light modulation power supply module.Each light-adjusting module each remotely goes out
Lamp mould can block corresponding light modulator and corresponding switch unit 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 components, such as field programmable gate array
（FPGA）, programmable logic controller (PLC)（PLC）Or other can execute the hard of relevant 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 to dim
The control unit of jack assemblies further includes communication module 41, and communication module 41 includes signal input part 411, signal forwarding end 412
The control unit of jack assemblies is dimmed to the last one with the control unit of routing module 413, first light modulation jack assemblies（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 of the communication module of part connects, and the signal of the communication module of the control unit of this first light modulation jack assemblies is defeated
Enter end to connect with interface unit, to form concatenated DMX communication links inside 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 connect with DMX signal input interfaces, the last one light modulation socket
The signal forwarding end of the communication module of component is connect with DMX signal output ends.Communication module, which can be used, can receive and forward DMX letters
Number conventional interface circuit.
In addition, the present embodiment also provides a kind of control method of light modulation power supply module, this method can power to above-mentioned light modulation
Module is controlled, and this method includes：
Interface unit receives DMX signals；
Each control unit is according to the control information in the DMX signals（One or more DMX data frames）To corresponding
Light modulator carries out brightness adjustment control；
Each control unit is according to the control information in the DMX signals（One or more DMX data frames）To corresponding
Switch unit carries out being switched on or switched off control, if some light modulator is breakdown, control unit or external equipment send out control and correspond to
The signal that switch unit disconnects, cuts off the power supply of corresponding lamp socket, and realization is remotely turned off the light.It is disconnected to send out the corresponding switch unit of control
The mode for the signal opened can be：Control unit can actively send out control switch unit 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 out the signal to control switch unit, or the control signal is converted into drive level driving and is opened
Unit is closed to disconnect.
Further, judge whether some light modulator of socket light-adjusting module is breakdown,（1）Can by artificial judgment,
As lamps and lanterns it is uncontrolled be always on；（2）It can also be by supporting the control unit acquisition light modulator of RDM agreements and working as switch unit
Preceding status information and by these status information feedbacks to host computer or lamps and lanterns, judge whether light modulator breakdown；（3）It can also lead to
Whether the voltage and or current for the phase line connecting line crossed where detection light modulator can occur corresponding with the variation of control signal
Variation to judge whether light modulator is breakdown, such as can continuously send out multigroup different dimming states（Or state of a control）Signal
To light modulation power supply module, control unit carries out brightness adjustment control according to these signals to light modulator, and obtains phase line where light modulator
The electric current and/or voltage signal of connecting cable may determine that light modulation if corresponding variation has occurred in the electric current and/or voltage
Device still works normally（It is at least not breakdown）If the electric current and/or voltage do not occur to change accordingly, light modulator may determine that
Normal work.
Assuming that the light modulation jack assemblies quantity that light modulation power supply module includes is Q, each light modulator for dimming jack assemblies by
Control parameter is a, includes the light modulator and switch list for controlling each light modulation jack assemblies for dimming power supply module in DMX data packets
The total quantity of the DMX data frames of member is at least Q*（a+1）.Each switch unit at least needs a control channel, that is, need to
A few DMX data frame.
Example IV
The present embodiment provides a kind of light modulation power supply module, difference lies in the present embodiment with embodiment three for 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 data packets
According to rather than directly receive DMX data, i.e. what the signal input interface of the present embodiment received is include/to be packaged with DMX data
The data of other protocol formats of packet.Such as：（1）It is packaged with the IP datagram of DMX data packets；（2）Directly it is packaged with DMX data
The ethernet mac frame of packet；（3）It is packaged with the ethernet mac frame of DMX data packets indirectly, which is packaged with the number of extended formatting
According to such as IP datagram, which is packaged with DMX data packets.Network signal input interface can be according to received signal type
The RJ45 based on Ethernet may be used and connect using the interface/connector of respective standard and specification, such as above-mentioned 3 kinds of situations
Mouthful, HDMI interface, Display Port interfaces, the USB interface etc. of other support Ethernet data communications can also be used.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 data packets data decode
It is converted into the DMX network decodings module 34 of DMX data packets, i.e. non-DMX signals can be converted into DMX letters by 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, each light-adjusting module 42 for dimming jack assemblies are used for according to one or more of DMX data 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 data packets
One or more data frames carry out being switched on or switched off control to the switch unit 53 in same group of light modulation jack assemblies.
For example, DMX network decodings module 34 shown in Figure 18 is integrated to interface unit 30.Network signal input interface 33 connects
Receive external non-DMX signals, after DMX network decodings module is converted into the DMX signals of standard to the non-DMX signals, may be used as
Serial transmission mode shown in Figure 18 is transferred to each control unit 40, can also be passed using parallel transmission mode as shown in figure 19
It is defeated by each control unit 40.Each control unit 40 to corresponding light modulator 52 and is opened according to the transformed DMX signals of decoding
Unit 53 is closed to be controlled.
Wherein, it includes 3 groups of light modulation jack assemblies that power supply base module is dimmed shown in Figure 18, 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 external non-DMX signals, DMX network solutions
Code module 34 is converted into the non-DMX signals decoding to be transferred to each control unit 40 by serial mode after DMX signals.First
Control unit（The top position in figure）Communication module to the last one 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 connect with DMX network decodings module 34, the last one
Control unit（The lower position in figure）Communication module.It includes 3 groups of light modulation sockets that power supply base is dimmed shown in Figure 19 also
Component, the DMX signals that DMX network decodings module 34 obtains after converting decoding are transmitted separately to each control unit.
In another example DMX network decodings mould 34 shown in Figure 20 is integrated to each control unit 40.Each control unit 40 also needs to
The non-DMX signals received by network signal input interface 33 are decoded respectively and are converted into DMX signals, then further according to letter
DMX in number controls information（DMX data frames for controlling light modulator and switch unit）To light modulator 52 and switch unit 53
It is respectively controlled.Serial transmission mode as shown in figure 20 can be used by received non-DMX in network signal input interface
Signal transmission gives each control unit 40, can also be transferred to each control unit respectively using parallel transmission mode as shown in figure 21
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 capabilities.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 the last one 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 connect with network signal input interface 33, to receive non-DMX signals.
It includes 3 groups of light modulation jack assemblies, the non-DMX that network signal input interface 33 will receive that power supply base is dimmed shown in Figure 21 also
Signal is transmitted separately to each control unit, is decoded by the DMX network decoding module selfs of each control unit.
The light-adjusting module of the present embodiment, module of remotely turning off the light, DMX network decodings module can pass through hardware circuit components reality
It is existing, such as field programmable gate array（FPGA）, programmable logic controller (PLC)（PLC）Or other can according to external control signal/
Data execute the hardware circuit of relevant 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
Controlled with switch unit, from system structure and it is cost-effective from the point of view of, DMX network decodings module should independently be set
It sets, or is integrated to interface unit, i.e., by the unified decoding of non-DMX signals, decoded without repeating.
Similar with embodiment three, each function module involved by above-mentioned signal processing can be integrated to a hardware circuit
Or realized in embedded system, it can also be realized respectively by individual hardware circuit or embedded system.
In addition, the present embodiment also provides a kind of control method of light modulation 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 data packets
According to；
The non-DMX signals are converted into DMX signals, i.e., will be sealed off into DMX data packets comprising the/data packet that is packaged with；
Each control unit is according to the control information in the DMX signals（One or more DMX data frames）To corresponding
Light modulator carries out brightness adjustment control；
Each control unit is according to the control information in the DMX signals（One or more DMX data frames）To corresponding
Switch unit carries out being switched on or switched off control；
If some light modulator is breakdown, control unit or external equipment send out the signal that the corresponding switch unit of control disconnects,
The power supply of the corresponding lamp socket of cut-out, realization are remotely turned off the light.Judge whether some light modulator is breakdown and embodiment three classes can be used
As mode.Sending out the mode for the signal that the corresponding switch unit of control disconnects can be：Control unit can actively send out control with
The corresponding switch unit of breakdown light modulator（It is all located on same phase line connecting line）The signal of disconnection；It can also be control unit
It is sent to the control signal of light modulation power supply module according to external equipment, passively sends out the signal to control switch unit, or will
The control signal is converted into the disconnection of drive level driving switch unit.
Further, the female socket of present invention light modulation power supply module and positive socket can be separately positioned on the both ends of shell, with
Just user carries out the serial operation of disparate modules.Similar, the signal input interface and signal output interface of interface unit（Such as
Have）The both ends of shell can also be separately positioned on.At this point, positive socket is located at shell the same end with one of signaling interface, it is cloudy
Socket is located at the shell other end with another signaling interface, utmostly 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（It is significant error to be always on phenomenon if there is lamps and lanterns in performance, bright several few
Lamp is allowed）.In addition, the present invention, which has the characteristics that meet, forces safety standard, easy to use and flexible, it is therefore particularly suitable for
Next-generation video display, stage profession light power supply system.
Claims (9)
1. a kind of light modulation power supply module for professional performance lamplight, which is characterized in that the light modulation power supply module includes：Shell
Body, several cables being placed in the shell, the sun for being arranged on the housing and being connected to several cable ends
Socket and female socket, interface unit and light modulation jack assemblies, the light modulation jack assemblies including be connected to several cables with
Just to lamps and lanterns power lamp socket, be connected to the light modulator of the lamp socket and for being received according to the interface unit
Control signal to the light modulator carry out brightness adjustment control control unit；
It can be respectively equipped with cloudy plug by both ends between light modulation power supply module described in two groups and the connecting cable of convex plug is gone here and there
Connection, the cloudy plug of the connecting cable and the positive socket of the wherein one light modulation power supply module are mating, and the connection is electric
The convex plug of cable is then mating with the female socket of another light modulation power supply module；
Several cables include zero curve cable, ground wire cable and several phase line cables, the both ends difference of each several cables
It is connected to the positive socket and female socket；The light modulation jack assemblies further include：An at least phase line connecting cable, the 4th connection electricity
Cable, the 5th connecting cable, earth leakage circuit-breaker and it is switched on or switched off the switch unit for being controlled by described control unit, it is described
Lamp socket passes through the 4th connecting cable and described zero by the phase line connecting cable and the wherein one phase line cable connection
Line cable connection passes through the 5th connecting cable and the ground wire cable connection, wherein the phase line connecting cable is equipped with described
Earth leakage circuit-breaker, the switch unit and the light modulator, described control unit respectively with the switch unit and the tune
Light device connects.
2. the light modulation power supply module according to claim 1 for professional performance lamplight, which is characterized in that each control
Unit processed includes：Control signal for being received according to the interface unit carries out the light modulator light modulation of brightness adjustment control
Module, and for the control signal received by the interface unit switch unit is carried out being switched on or switched off control
The long-range module of turning off the light of system.
3. the light modulation power supply module according to claim 2 for professional performance lamplight, it is characterised in that：The interface list
Member includes the DMX signal input interfaces for receiving DMX signals and the DMX signal output interfaces for exporting DMX signals, described
The light-adjusting module of light modulation jack assemblies is for the DMX signals received by the DMX signal input interfaces to described
It dims the light modulator in jack assemblies and carries out brightness adjustment control, the long-range module of turning off the light is for defeated according to the DMX signals
DMX signals received by incoming interface carry out being switched on or switched off control to the switch unit in the light modulation jack assemblies.
4. the light modulation power supply module according to claim 2 for professional performance lamplight, it is characterised in that：The interface list
Member includes network signal input interface, and for receiving the data for include/being packaged with DMX data packets, the light modulation power supply module is also
Include the DMX network decoding modules for being converted into DMX data packets to the data decoding for include/being packaged with DMX data packets,
The network decoding module is integrated in the interface unit or described control unit, or independently of the interface unit and the control
The light-adjusting module of unit processed, the light modulation jack assemblies is used for according at least one of DMX data packets DMX data
Frame carries out brightness adjustment control to the light modulator in the light modulation jack assemblies, and the long-range module of turning off the light is for according to the DMX numbers
The switch unit in the light modulation jack assemblies is carried out being switched on or switched off control according at least one of packet data frame.
5. the light modulation power supply module according to claim 1 for professional performance lamplight, it is characterised in that：Several phases
Line cable includes A phase lines cable, B phase lines cable and C phase line cables, and the lamp socket of the light modulation jack assemblies is connected to wherein
The one phase line cable.
6. the light modulation power supply module according to any one of claims 1 to 5 for professional performance lamplight, it is characterised in that：
The sun socket and the female socket are separately positioned on the both ends of the shell.
7. the light modulation power supply module according to claim 3 for professional performance lamplight, it is characterised in that：The sun socket
It is separately positioned on the both ends of the shell with the female socket, DMX signal input interfaces of the interface unit and described
DMX signal output interfaces are separately positioned on the both ends of the shell.
8. a kind of control method of profession performance lamplight light modulation power supply module, the light modulation power supply module is the claims 1
Power supply module is dimmed to 7 any one of them, which is characterized in that the method includes：
The interface unit receives control signal；
Described control unit carries out brightness adjustment control according to the signal to the light modulator；
Described control unit carries out the switch unit according to the signal to be switched on or switched off control；
If judging, the light modulator is breakdown, sends out the control switch unit and disconnects, and cuts off the power supply of corresponding lamp socket, real
Now remotely turn off the light.
9. the control method of profession performance lamplight light modulation power supply module according to claim 8, it is characterised in that：It is described to connect
The data format of mouthful unit received signal be DMX data packets or comprising/be packaged with the network datas of DMX data packets, when described
Control unit received signal be comprising/be packaged with the network data of DMX data packets when, first by the network data decoding be converted into
DMX data packets, described control unit controls the light modulator further according to the control information in the DMX data packets and the switch is single
Member.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310754661.9A CN104754820B (en) | 2013-12-31 | 2013-12-31 | Light modulation power supply module and control method for professional performance lamplight |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310754661.9A CN104754820B (en) | 2013-12-31 | 2013-12-31 | Light modulation power supply module and control method for professional performance lamplight |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202647361U (en) * | 2012-04-20 | 2013-01-02 | 甄钊伟 | Distributed LED principal line and LED decorative lighting adopting same |
| CN202738185U (en) * | 2012-06-29 | 2013-02-13 | 广州励丰文化科技股份有限公司 | Performance lamplight power supply system |
-
2013
- 2013-12-31 CN CN201310754661.9A patent/CN104754820B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202647361U (en) * | 2012-04-20 | 2013-01-02 | 甄钊伟 | Distributed LED principal line and LED decorative lighting adopting same |
| CN202738185U (en) * | 2012-06-29 | 2013-02-13 | 广州励丰文化科技股份有限公司 | Performance lamplight power supply system |
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