CN103260297A - Lamp control device supporting a plurality of communication modes - Google Patents
Lamp control device supporting a plurality of communication modes Download PDFInfo
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- CN103260297A CN103260297A CN2012103678510A CN201210367851A CN103260297A CN 103260297 A CN103260297 A CN 103260297A CN 2012103678510 A CN2012103678510 A CN 2012103678510A CN 201210367851 A CN201210367851 A CN 201210367851A CN 103260297 A CN103260297 A CN 103260297A
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- control device
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- transmitting element
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Abstract
The invention provides a lamp control device supporting a plurality of communication modes. The lamp control device supporting the communication modes mainly comprises a control unit, a shaping circuit and a sending unit. The control unit and the shaping circuit are arranged on a mainboard in an integrated mode, the sending unit is arranged on an interface board, and the mainboard and the interface board are independent from each other. A protective unit is further added on the lamp control device supporting a digital multiplex (DMX) 512 communication mode, the protective unit and the sending unit are also arranged on the interface board in an integrated mode, and the protective unit comprises a three-level protective circuit which is composed of TVSes, self-recovery fuses and a gas discharge tube. Due to the fact that the mainboard and the interface board are independent from each other, the lamp control device supporting the communication modes can conveniently achieve the fact that the communication modes are supported to send lamp control signals by using a traditional lamp controller and replacing interface boards, lamp controllers of different types do not need to be selected for lamp using occasions of different types, production cost and development cost are reduced, and use cost of users is also reduced.
Description
Technical field
The present invention relates to a kind of lamp control device of supporting multiple communication mode, especially relate to the lamp control device of supporting DMX512 and TTL communication mode.
Background technology
LED(Light-Emitting-Diode, light-emitting diode), be a kind of semiconductor that electric energy can be converted into luminous energy, it adopts electroluminescence, has changed the luminous principle luminous with the electricity-saving lamp tricolor powder of incandescent lamp tungsten filament.The advantage of LED is very obvious, mainly is to use long, the high and low radiation of light efficiency of life-span and low-power consumption.Nowadays, utilize the brightening of LED view to be paid attention to and be widely accepted by increasing city and domestic consumer.Because different user is more and more higher to the actual instructions for use of LED light fixture, utilize the brightening of LED light fixture, beautiful environment no longer only to be confined to sketch outline, people wish can also carry out some simple and practical picture and text introductions in brightening, beautiful environment, all these all must be realized by means of dissimilar lamp control devices.
But, traditional lamp control device generally can only be supported a kind of control of particular type light fixture, DMX512(Digital MultipleX for example, the multi-path digital transmission control protocol) light fixture or TTL(Transistor-Transistor Logic, transistor-transistor logic circuit) light fixture etc.And in practical application, Control on Communication for dissimilar light fixtures, can only mate by selecting corresponding dissimilar lamp control device for use, this makes traditional lamp control device adaptability deficiency, versatility is poor, and owing to will control different light fixtures, just need purchase different lamp control devices, also increased user's use cost and maintenance cost undoubtedly.
Summary of the invention
The objective of the invention is to: at the problem of prior art existence, a kind of lamp control device of supporting multiple communication mode is provided, can support multiple communication mode to send the light fixture control signal, realization is to the control of dissimilar light fixtures, strengthen versatility and the adaptability of conventional lamp control device, and reduce production, development cost, when practical application, also can reduce user's use cost and maintenance cost.
Goal of the invention of the present invention is achieved through the following technical solutions: a kind of lamp control device of supporting multiple communication mode, mainly comprise control unit, shaping circuit and transmitting element, with described control unit and shaping circuit is integrated is arranged on the mainboard, described transmitting element is arranged on the interface board, and described mainboard and described interface board are independent respectively.For the lamp control device of supporting the DMX512 communication mode, wherein also set up protected location, and with described protected location and transmitting element also integrated being arranged on the described interface board.Described control unit comprises processor, I/O controller and memory, and described processor is handled the different lamps control program by reading the content that stores in the described memory.Described transmitting element comprises transmitter and receiver, and the in-phase output end of described transmitter and reversed-phase output are respectively as the output of two output signals of described transmitting element.The input of described protected location directly communicates on circuit with the output of described transmitting element, and the signal that described transmitting element sends directly outputs to described protected location after level conversion.Described protected location is formed the three-level protective circuit by TVS pipe, resettable fuse and gas discharge tube, and first order high voltage protective adopts a gas discharge tube, one end common ground, and two ends connect external communication interface respectively in addition; Second level current protection adopts two resettable fuses, non-ground connection one end of a termination gas discharge tube of each resettable fuse, non-ground connection one end of another termination TVS pipe; Third level low-voltage variation adopts the TVS matrix of being made up of two TVS pipes, one end common ground, and two ends are connected with described two resettable fuses respectively in addition.
Compared with prior art, a kind of lamp control device of supporting multiple communication mode of the present invention, by changing the interface board of the dissimilar light fixtures of coupling, can support different communication modes to send the light fixture control signal, realization is to the control of dissimilar light fixtures, in the versatility and the adaptive while that strengthen traditional lamp controller, can reduce production, development cost, when practical application, also can reduce user's use cost and maintenance cost.
Description of drawings
Fig. 1 is a kind of overall system block diagram of supporting the lamp control device of multiple communication mode of the present invention.
The system block diagram of the interface board of the support DMX512 communication mode of the lamp control device that Fig. 2 supports multiple communication mode for the present invention is a kind of.
The system block diagram of the interface board of the support TTL communication mode of the lamp control device that Fig. 3 supports multiple communication mode for the present invention is a kind of.
The systematic schematic diagram of the control unit of the lamp control device that Fig. 4 supports multiple communication mode for the present invention is a kind of.
The systematic schematic diagram of the transmitting element of the lamp control device that Fig. 5 supports multiple communication mode for the present invention is a kind of.
The sequential chart of the control signal of the lamp control device that Fig. 6 supports multiple communication mode for the present invention is a kind of.
The lamp control circuit schematic diagram of the support DMX512 communication mode of the lamp control device that Fig. 7 supports multiple communication mode for the present invention is a kind of.
The lamp control circuit schematic diagram of the support TTL communication mode of the lamp control device that Fig. 8 supports multiple communication mode for the present invention is a kind of.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
EmbodimentA kind of lamp control device of supporting multiple communication mode:
As shown in Figure 1, a kind of lamp control device of supporting multiple communication mode, mainly comprise control unit, shaping circuit and transmitting element, with described control unit and shaping circuit is integrated is arranged on the mainboard, described transmitting element is arranged on the interface board, and described mainboard and described interface board are independent respectively.In addition, for the lamp control device of supporting the DMX512 communication mode, also set up protected location especially, and with described protected location and transmitting element also integrated being arranged on the described interface board.During use, only the needs selection interface board corresponding with specific light fixture communication mode can be realized the control to specific light fixture.For example, when selecting the DMX512 light fixture for use, need to use the RS-485 signal to communicate, at this moment, can select the interface board based on RS-485 for use; If select the TTL light fixture for use, then select the interface board based on TTL for use.It is pointed out that herein DMX512 light fixture refers to the light fixture based on the control of DMX512-A light control data transmission agreement, TTL light fixture herein refers to the light fixture based on the control of Transistor-Transistor Logic level light control interface level.
The system block diagram of the interface board of the lamp control device that Fig. 2, Fig. 3 support multiple communication mode for the present invention is a kind of.As shown in Figure 2; interface board based on the DMX512 light fixture is provided with a protected location; road LV-TTL(Low Voltage Transistor-Transistor Logic from mainboard output; low-voltag transistor-transistor logic) signal is through behind the transmitting element; RS-485 signal D+ and the D-of output two-way, this two-way RS-485 signal D+ and D-directly export through protected location.As shown in Figure 3, be compared to Fig. 2, cancelled protected location on the interface board based on the TTL light fixture, reduced production, the development cost of lamp control device more; And, export through becoming one road TTL signal behind the transmitting element from one road LV-TTL signal of mainboard output.
The systematic schematic diagram of the control unit of the lamp control device that Fig. 4 supports multiple communication mode for the present invention is a kind of.Described control unit comprises processor, I/O controller and memory.Wherein, described processor is processed processing after calling the data that store in the described memory, converts thereof into the LV-TTL signal and sends it to corresponding output by described I/O controller.For example, for the DMX512 light fixture, after control unit reads DMX512 light fixture control program in the memory, after treated device is handled namely by I/O controller output end output LV-TTL control signal; This LV-TTL control signal is carried out burr through shaping circuit and is filtered the transmitting element that directly outputs to after the shaping on the interface board; support in the interface board of DMX512 communication mode; transmitting element is converted to the RS-485 control signal with this LV-TTL control signal; and exporting differential signal D+ and D-respectively from port A and B, this differential signal D+ and D-export DMX512 target light fixture to through behind the protected location.
The systematic schematic diagram of the transmitting element of the lamp control device that Fig. 5 supports multiple communication mode for the present invention is a kind of.Described transmitting element comprises transmitter (52) and receiver (51), and the in-phase output end of described transmitter (52) and reversed-phase output are respectively as the output of two output signals of described transmitting element.As shown in Figure 5, the in-phase output end of described transmitter (52) is connected with the in-phase input end of described receiver (51), and described transmitting element includes 8 pins, is respectively receiver output RO, receiver output enable
, transmitter output enable DE, transmitter input DI, GND, receiver in-phase input end and transmitter in-phase output end A, receiver device inverting input and transmitter reversed-phase output B, power supply VCC.For the DMX512 light fixture, when reality is used, port A and B export D+ and the D-of differential signal respectively, the in-phase output end and the anti-phase defeated place end that are transmitter (52) are the two-way output port of differential signal, and transmitter sent to enable DE be logical one, the input DI of transmitter is connected with the output signal of controller, with the receiver output enable
, receiver output RO keeps vacant state, this moment, transmitting element namely was in the transmission state.
The sequential chart of the control signal of the lamp control device that Fig. 6 supports multiple communication mode for the present invention is a kind of.Be example with the interface board that uses the RS-485 signal to communicate, as can be seen from the figure, when the input DI of transmitter (52) is high level, the voltage of port A output is greater than the voltage of port B output, be VA-VB〉0, when the input DI of transmitter (52) was low level, the voltage of port A output was less than the voltage of port B output, i.e. VA-VB＜0.So, transmitting element just is converted to one road LV-TTL signal differential signal D+ and the D-output of two-way, sends to the DMX512 light fixture then.
The lamp control circuit schematic diagram of the support DMX512 communication mode of the lamp control device that Fig. 7 supports multiple communication mode for the present invention is a kind of.As shown, the input of protected location wherein directly communicates on circuit with the output of described transmitting element, and the signal that described transmitting element sends directly outputs to described protected location after level conversion; The three-level protective circuit that described protected location is made up of TVS pipe, resettable fuse and gas discharge tube, first order high voltage protective adopts a gas discharge tube, one end common ground, two ends connect external communication interface respectively in addition; Second level current protection adopts two resettable fuses, non-ground connection one end of a termination gas discharge tube of each resettable fuse, non-ground connection one end of another termination TVS pipe; Third level low-voltage variation adopts the TVS matrix of being made up of two TVS pipes, one end common ground, and two ends are connected with described two resettable fuses respectively in addition.The control unit of main board sends the LV-TTL signal after reading play content, carry out shaping through shaping circuit earlier, and then shown in being sent to based on the transmitting element on the interface board of RS-485, after this transmitting element is handled the LV-TTL signal of input, namely export one road differential signal D+ and D-with the form of RS-485 signal, send finally by the A that crosses transmitting element and two output ports of B.Signal earlier respectively through two build-out resistor R294, R295 and a protective resistance R296, sends it to DMX512 target light fixture by protected location then behind the A and the output of B output port of transmitting element.When the LV-TTL signal was high level, differential signal D+ was greater than D-; When the LV-TTL signal was low level, differential signal D+ was less than D-.In addition, in order to prevent the interference of outer bound pair circuit, by increasing a protected location signal of entire circuit is protected.
The lamp control circuit schematic diagram of the support TTL communication mode of the lamp control device that Fig. 8 supports multiple communication mode for the present invention is a kind of.As shown, be compared to Fig. 7, cancelled protected location, this makes simpler based on the interface board structure of TTL, and production, development cost are minimized.The control unit of main board sends the LV-TTL signal after reading play content, carries out shaping through shaping circuit earlier, and the transmitting element based on the interface board of TTL shown in the process converts one road TTL signal to then, sends to TTL target light fixture at last.
The above only is preferred embodiment of the present invention, not in order to limit the present invention, should be pointed out that all any modifications of doing within the spirit and principles in the present invention, is equal to replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. lamp control device of supporting multiple communication mode, mainly comprise control unit, shaping circuit and transmitting element, it is characterized in that: described control unit and shaping circuit are integrated to be arranged on the mainboard, described transmitting element is arranged on the interface board, and described mainboard and described interface board are independent respectively.
2. a kind of lamp control device of supporting multiple communication mode according to claim 1; it is characterized in that: support also to have set up protected location in the lamp control device of DMX512 communication mode, and with described protected location and transmitting element also integrated being arranged on the described interface board.
3. according to claim 1 or 2 described a kind of lamp control devices of supporting multiple communication mode, it is characterized in that: described control unit comprises processor, I/O controller and memory, and described processor is handled the different lamps control program by reading the content that stores in the described memory.
4. according to claim 1 or 2 described a kind of lamp control devices of supporting multiple communication mode, it is characterized in that: described transmitting element comprises transmitter (52) and receiver (51), and the in-phase output end of described transmitter (52) and reversed-phase output are respectively as the output of two output signals of described transmitting element.
5. a kind of lamp control device of supporting multiple communication mode according to claim 2; it is characterized in that: the input of described protected location directly communicates on circuit with the output of described transmitting element, and the signal that described transmitting element sends directly outputs to described protected location after level conversion.
6. according to claim 2 or 5 described a kind of lamp control devices of supporting multiple communication mode, it is characterized in that: the three-level protective circuit that described protected location is made up of TVS pipe, resettable fuse and gas discharge tube.
7. a kind of lamp control device of supporting multiple communication mode according to claim 6 is characterized in that: the first order high voltage protective of described protected location adopts a gas discharge tube, one end common ground, and two ends connect external communication interface respectively in addition; Second level current protection adopts two resettable fuses, non-ground connection one end of a termination gas discharge tube of each resettable fuse, non-ground connection one end of another termination TVS pipe; Third level low-voltage variation adopts the TVS matrix of being made up of two TVS pipes, one end common ground, and two ends are connected with described two resettable fuses respectively in addition.
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| CN2012103678510A CN103260297A (en) | 2012-09-28 | 2012-09-28 | Lamp control device supporting a plurality of communication modes |
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| CN2012103678510A CN103260297A (en) | 2012-09-28 | 2012-09-28 | Lamp control device supporting a plurality of communication modes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113099578A (en) * | 2021-04-23 | 2021-07-09 | 四川康润腾普光电技术有限公司 | Lamp controller supporting multiple protocols |
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| CN2525566Y (en) * | 2001-11-05 | 2002-12-11 | 清华同方股份有限公司 | In-site control machine of distribution type control system |
| CN201188624Y (en) * | 2008-05-06 | 2009-01-28 | 西安终南信息技术有限公司 | Essential safety type serial/network port converter for mining |
| CN201252664Y (en) * | 2008-06-20 | 2009-06-03 | 深圳市联腾科技有限公司 | Transmitting-receiving control device of DMX512 lamp |
| CN202025261U (en) * | 2011-04-19 | 2011-11-02 | 研祥智能科技股份有限公司 | Computer main board |
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2012
- 2012-09-28 CN CN2012103678510A patent/CN103260297A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2525566Y (en) * | 2001-11-05 | 2002-12-11 | 清华同方股份有限公司 | In-site control machine of distribution type control system |
| CN201188624Y (en) * | 2008-05-06 | 2009-01-28 | 西安终南信息技术有限公司 | Essential safety type serial/network port converter for mining |
| CN201252664Y (en) * | 2008-06-20 | 2009-06-03 | 深圳市联腾科技有限公司 | Transmitting-receiving control device of DMX512 lamp |
| CN202025261U (en) * | 2011-04-19 | 2011-11-02 | 研祥智能科技股份有限公司 | Computer main board |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113099578A (en) * | 2021-04-23 | 2021-07-09 | 四川康润腾普光电技术有限公司 | Lamp controller supporting multiple protocols |
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Application publication date: 20130821 |