CN102510599A - Switching system and equipment system - Google Patents
Switching system and equipment system Download PDFInfo
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- CN102510599A CN102510599A CN2011102907151A CN201110290715A CN102510599A CN 102510599 A CN102510599 A CN 102510599A CN 2011102907151 A CN2011102907151 A CN 2011102907151A CN 201110290715 A CN201110290715 A CN 201110290715A CN 102510599 A CN102510599 A CN 102510599A
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Abstract
The invention provides a switching system and an equipment system. The switching system is used for connecting multiple equipments connected with a bus, and comprises a plurality of controlled switch units, at least one switch control unit and a master control unit, wherein each of the plurality of controlled switch units is connected with a piece of equipment and the bus; the at least one switch control unit is connected with the controlled end of each controlled switch unit and is used for controlling the on-off of the plurality of controlled switch units; the master control unit is connected with each switch control unit and is used for outputting on and off signals, so that each switch control unit is led to control the corresponding controlled switch unit to carry out the on-off operations, furthermore, the equipment connected with the controlled switch unit is led to be connected with the adjacent equipments in series or parallel; and based on the switching system, the equipment system with flexible and alterable connection modes can be formed, therefore, the problems in the existing equipment system with simplex connection mode can be effectively avoided.
Description
Technical field
The invention belongs to the bus field, particularly a kind of switched system and device systems.
Background technology
Along with overcoming of LED technical bottleneck, LED illumination application market scale maintains sustained and rapid growth, wherein the desirable of the application of LED light fixture in architectural lighting.In the construction landscape illumination; The LED light fixture is mainly used in aspects such as building decoration, interior decoration, tourist attractions decoration; In addition; The LED light fixture also is used for the decorative lighting in important building, commercial center, the scenic spots and historical sites, bridge, household, amusement and recreation place, and collection to decorate with advertisement be the commercial lighting etc. of one.
At present, on the market LED lighting system mainly contains the topological structure of two kinds of forms.A kind of is the parallel parallel lamp system that connects between the light fixture, as shown in Figure 1.Parallel lamp system adopts the RS485 bus to connect mostly, and line is few, and reliability is high, therefore is used widely in LED lighting system field.But each the LED light fixture in the lamp system that should walk abreast all need possess a unique address; And the placement location with light fixture of unique address is also fixed; So could obtain predetermined lighting effects; Therefore a write address decoding apparatus that is used for this parallel lamp system be must be equipped with when producing, and must construction very trouble and inconvenience be so caused with each lamp installation at correspondence position during project installation.In addition, another kind of lamp system is the serial lamp system, adopts connected in series, as shown in Figure 2 between each light fixture in this serial lamp system.This serial lamp system adopts spi bus transmission control mode mostly.Though each light fixture in the serial lamp system need not to be provided with address code; Can effectively avoid the problems of parallel lamp system in producing and installing; But; For parallel lamp system, its poor reliability, and if in the serial lamp system light fixture damage and will cause thereafter all light fixtures all can't work.Therefore, in the present domestic light control field, small-scale LED lamp system almost is parallel system all, extensive LED lamp system (for example, the above pixel of the 5K) tandem systems that adopt more.
From the above mentioned; Existing lamp system all is single bus connecting mode; Promptly or connected in series or parallel the connection, and no matter be parallel lamp system that connects or lamp system connected in series, its unavoidable defective is all arranged; Therefore, press for the system of seeking a kind of new bus topolopy.
Summary of the invention
The object of the present invention is to provide a kind of switched system that switches the bus connection mode, to make things convenient for the switching of bus connection mode.
The object of the present invention is to provide a kind of device systems that can carry out the connection mode switching.
Reach other purposes in order to achieve the above object; The switched system of switching bus connection mode provided by the invention; Be used to be connected a plurality of equipment of bus, it comprises: a plurality of controlled switchs unit, each controlled switch unit are connected with equipment and bus respectively; At least one switch control unit, the controlled end of connection controlled switch unit is used to control the switching of said a plurality of controlled switchs unit; And main control unit; Connect each switch control unit; Be used for output switching signal and carry out opening and closing operations, and then the equipment that this controlled switch unit is connected is connected in series or and connects with the neighbouring device of this equipment so that each switch control unit is controlled corresponding controlled switch unit.
The device systems that connects based on bus provided by the invention comprises: aforesaid switched system; And a plurality of equipment, each equipment is connected on the bus that said switched system comprises, and connects the controlled switch unit that said switched system comprises respectively.
In sum; Switched system of the present invention comes connected mode between control appliance and the equipment thus through the controlled switch unit is connected with equipment, thus realization is connected in series or and connect conversion; Based on the device systems that this switched system constitutes, the connected mode flexibility and changeability between its equipment that comprises.
Description of drawings
Fig. 1 is existing parallel lamp system sketch map;
Fig. 2 is existing serial lamp system sketch map;
Fig. 3 is the switched system sketch map of switching bus connection mode of the present invention;
Fig. 4 is a kind of preferred embodiment sketch map of the switched system of switching bus connection mode of the present invention;
Fig. 5 is the another kind of preferred embodiment sketch map of the switched system of switching bus connection mode of the present invention.
Embodiment
See also Fig. 3, the switched system of switching bus connection mode of the present invention is applied to be connected a plurality of equipment 2 of bus 3.Preferably, said equipment 2 comprises light fixture.
Said switched system comprises: a plurality of controlled switchs unit 11, at least one switch control unit 12 and main control unit 13.
Each controlled switch unit 11 is connected with equipment 2 and bus 3 respectively.For example; As shown in Figure 3; First controlled switch unit 11 is connected with first equipment 2 and bus 3, and second controlled switch unit 11 is connected with second equipment 2 and bus 3 ... last controlled switch unit 11 is connected with last equipment 2 and bus 3.
Preferably, each controlled switch unit 11 comprises two controlled switchs, for example; As shown in Figure 4; Each controlled switch unit 11 comprises two controlled switchs, and each controlled switch comprises switch terminals 1 and switch terminals 2, and is visible by figure; When the controlled switch of first controlled switch unit 11 closes at switch terminals 1, first equipment 2 and second equipment 2 with and the mode that connects be connected on the said bus 3; And when first controlled switch unit 11 closes at switch terminals 2, first equipment 2 and second equipment 2 serial connection.
Preferably; Each controlled switch unit 11 comprises a plurality of resistance and the controlled short-circuiting device that is connected with said a plurality of resistance; As shown in Figure 5, each controlled switch unit 11 comprise be connected on one on the RS485 bus resistance R 1 and R3, be connected on resistance R 2 and the R4 on another root RS485 bus and be connected across the controlled short-circuiting device between the common node end of common node end and resistance R 2 and R4 of resistance R 1 and R3.
Said at least one switch control unit 12 is used to control the switching of said a plurality of controlled switchs unit 11.
Preferably, the quantity of switch control unit 12 is identical with the quantity of controlled switch unit 11, and wherein, each switch control unit 12 connects a controlled switch unit 11.More preferably, each switch control unit 12 is contained in the equipment 2 that its controlled switch unit 11 of controlling connected.
For example; As shown in Figure 4; Be arranged on the controlled end that switch control units (not giving diagram) in first equipment 2 connect two controlled switchs that first controlled switch unit 11 comprised; Be arranged on the controlled end of two controlled switchs that second the controlled switch unit 11 of switch control units (not giving diagram) connection in second equipment 2 are comprised ..., be arranged on the controlled end that switch control units (not giving diagram) in last equipment 2 connect two controlled switchs that last controlled switch unit 11 comprised.
More particularly; As shown in Figure 5; Equipment 2 comprises chip MAX485 and the microprocessor MCU that is used for level conversion; The output SW that is arranged on the switch control unit (not giving diagram) in the said microprocessor MCU connects the short-circuiting device that controlled switch unit 11 is comprised, to control said short-circuiting device short circuit or open circuit.
Need to prove, be simplicity of illustration, only show two equipment 2 among Fig. 5.
Said main control unit 13 connects each switch control unit 12; Be used for output switching signal so that opening and closing operations are carried out in the corresponding controlled switch of each switch control unit 12 controls unit 11, and then the equipment 2 that this controlled switch unit is connected is connected in series or and connects with the neighbouring device 2 of this equipment 2.
Preferably, when said bus 3 was provided with main controller, said main control unit 13 was contained in the said main controller.As shown in Figure 5, main control unit (not giving diagram) is arranged in the said main controller 4.
From the above mentioned, said switched system and equipment 2 constitution equipment systems below are a kind of preferred course of work that example is explained said switched system with embodiment shown in Figure 5:
1. device systems tandem mode:
At first, the main control unit in the said main controller 4 sends first MAX485 chip that opens and closes signal to first equipment 2 through said RS485 bus, sends into microprocessor MCU through after the level conversion; Be built in the switch control unit control short-circuiting device short circuit among the said microprocessor MCU, at this moment, first equipment 2 is connected in series with a back equipment 2; Then, the control signal of the controlled switch unit open/close that the control follow-up equipment of first equipment autonomous controller 4 in 2 future is connected is transmitted, and follow-up each equipment 2 is connected in series with adjacent equipment 2 respectively; Thereby form the device systems of serial connection; Thus, when the signal (for example lamp luminescence signal) of each equipment 2 operation is controlled in said main controller 4 outputs, output to second MAX485 chip of first equipment 2 in regular turn by first MAX485 chip of first equipment 2; ... last equipment 2; Make the device systems of whole serial connection, for example lamp system forms corresponding lighting effects.In this kind tandem mode, resistance R 1～R4 is as build-out resistor, and first MAX485 chip and first MAX485 chip are made the function of signal amplifier.So, whole data channel signalization amplifier no longer.
2. device systems is converted and is connect into pattern by tandem mode:
When each equipment 2 in the device systems is connected in series each other; After the microprocessor MCU of first equipment 2 receives the data from main controller; Judge that whether these data that receive are for writing code instruction; If then the microprocessor MCU of first equipment 2 exports the data of just having received to a back equipment 2 through second MAX485 chip not; If the microprocessor MCU of first equipment 2 judges that the data that receive once more are to write code instruction; Then the microprocessor MCU of first equipment 2 the data (being new address) that receive add recomputate CRC check behind self shared port number after; Export a back equipment 2 (promptly transmitting the address of a back equipment 2) through second MAX485 chip, second equipment 2 receives after the data through the processing identical with first equipment 2, promptly add recomputate CRC check behind self shared port number after; Export a back equipment 2 through self-contained second MAX485 chip again; ..., thus, each equipment 2 all disposes address separately separately;
Then, after the switch control unit among the microprocessor MCU of first equipment 2 receives the short-circuit signal from each short-circuiting device of short circuit of the main control unit in the said main controller 4 once more, after the microprocessor MCU of first equipment 2 will control the short-circuit signal transmission of the short-circuiting device that follow-up each equipment 2 connected earlier; Make first short-circuiting device short circuit that self connects; Make self-contained second MAX485 chip open circuit simultaneously, the performed operation of second equipment 2 is identical with first equipment 2 ...; Until last equipment 2; Thus, each equipment 2 in the said device systems is attempted by on the said bus 3, the device systems that forms and connect.
3, the connection mode under the fault switches:
When each equipment 2 in the device systems is connected in series each other; If one of them equipment 2 breaks down, for example, the LED lamp damages; The main control unit of then said main controller 4 sends the short-circuit signal that makes the short-circuiting device short circuit that this faulty equipment 2 connected; Thereby make the short-circuiting device that these faulty equipment 2 short circuits are comprised self so that this faulty equipment 2 is attempted by on the bus 3, no longer influence its follow-up equipment 2 receive from the signal of main controller.
Need to prove, it should be appreciated by those skilled in the art that equipment that said main controller 4 can be confirmed to break down based on feedback signal or artificial input etc.
In sum, switched system of the present invention through on the bus between adjacent two equipment, set up the controlled switch unit, can make each equipment of being connected on the bus with and connect or the serial connection mode links to each other; Make that formed bus structures no longer are simple tandem type or parallel connection types; And form a kind of bus structures of intelligence, so, even if a certain device fails on the circuit; The work of its follow-up equipment is affected, has improved bus-structured reliability.
The foregoing description is just listed expressivity principle of the present invention and effect is described, but not is used to limit the present invention.Any personnel that are familiar with this technology all can make amendment to the foregoing description under spirit of the present invention and scope.Therefore, rights protection scope of the present invention should be listed like claims.
Claims (7)
1. switched system that switches the bus connection mode is used to be connected a plurality of equipment of bus, it is characterized in that comprising:
A plurality of controlled switchs unit, each controlled switch unit are connected with equipment and bus respectively;
At least one switch control unit, the controlled end of connection controlled switch unit is used to control the switching of said a plurality of controlled switchs unit;
Main control unit; Connect each switch control unit; Be used for output switching signal and carry out opening and closing operations, and then the equipment that this controlled switch unit is connected is connected in series or and connects with the neighbouring device of this equipment so that each switch control unit is controlled corresponding controlled switch unit.
2. the switched system of switching bus connection mode as claimed in claim 1 is characterized in that: the quantity of switch control unit is identical with the quantity of controlled switch unit, and each switch control unit connects a controlled switch unit.
3. according to claim 1 or claim 2 the switched system of switching bus connection mode, it is characterized in that: the controlled switch unit comprises a plurality of resistance and the controlled short-circuiting device that is connected with said a plurality of resistance.
4. the switched system of switching bus connection mode as claimed in claim 2 is characterized in that: each switch control unit is contained in the equipment that its controlled switch unit of controlling connected.
5. the switched system of switching bus connection mode as claimed in claim 1 is characterized in that: when said bus was provided with main controller, said main control unit was contained in the said main controller.
6. the switched system of switching bus connection mode as claimed in claim 1 is characterized in that: said equipment comprises light fixture.
7. device systems that connects based on bus is characterized in that comprising:
Each described switched system of claim 1 to 6; And
A plurality of equipment, each equipment are connected on the bus that said switched system comprises, and connect the controlled switch unit that said switched system comprises respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102907151A CN102510599A (en) | 2011-09-28 | 2011-09-28 | Switching system and equipment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102907151A CN102510599A (en) | 2011-09-28 | 2011-09-28 | Switching system and equipment system |
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| Publication Number | Publication Date |
|---|---|
| CN102510599A true CN102510599A (en) | 2012-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102907151A Pending CN102510599A (en) | 2011-09-28 | 2011-09-28 | Switching system and equipment system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107071978A (en) * | 2017-04-28 | 2017-08-18 | 星际控股集团有限公司 | A kind of lightbar control system |
| CN109613848A (en) * | 2018-10-26 | 2019-04-12 | 中国船舶重工集团公司第七0九研究所 | A kind of multi-channel high-speed signal switching system and control method |
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| JP2004119422A (en) * | 2002-09-24 | 2004-04-15 | Pioneer Electronic Corp | Light emitting device drive circuit |
| US20050151889A1 (en) * | 2003-12-29 | 2005-07-14 | Jeong-Min Moon | Back-light apparatus for liquid crystal display device |
| CN102113410A (en) * | 2008-07-29 | 2011-06-29 | 皇家飞利浦电子股份有限公司 | Llumination device comprising multiple leds |
| CN202261973U (en) * | 2011-09-28 | 2012-05-30 | 华南理工大学 | Intelligent bus switching system and device system |
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2011
- 2011-09-28 CN CN2011102907151A patent/CN102510599A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004119422A (en) * | 2002-09-24 | 2004-04-15 | Pioneer Electronic Corp | Light emitting device drive circuit |
| US20050151889A1 (en) * | 2003-12-29 | 2005-07-14 | Jeong-Min Moon | Back-light apparatus for liquid crystal display device |
| CN102113410A (en) * | 2008-07-29 | 2011-06-29 | 皇家飞利浦电子股份有限公司 | Llumination device comprising multiple leds |
| CN202261973U (en) * | 2011-09-28 | 2012-05-30 | 华南理工大学 | Intelligent bus switching system and device system |
Non-Patent Citations (2)
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| 宗平: "太阳能交通信号灯系统设计", 《现代电子技术》 * |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107071978A (en) * | 2017-04-28 | 2017-08-18 | 星际控股集团有限公司 | A kind of lightbar control system |
| CN109613848A (en) * | 2018-10-26 | 2019-04-12 | 中国船舶重工集团公司第七0九研究所 | A kind of multi-channel high-speed signal switching system and control method |
| CN109613848B (en) * | 2018-10-26 | 2021-04-09 | 中国船舶重工集团公司第七0九研究所 | Multichannel high-speed signal switching system and control method |
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Application publication date: 20120620 |