CN102573188B - Remote control circuit of lamp - Google Patents
Remote control circuit of lamp Download PDFInfo
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- CN102573188B CN102573188B CN201010606256.9A CN201010606256A CN102573188B CN 102573188 B CN102573188 B CN 102573188B CN 201010606256 A CN201010606256 A CN 201010606256A CN 102573188 B CN102573188 B CN 102573188B
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Abstract
The invention relates to a remote control circuit of a lamp. The remote control circuit comprises a remote control, a control circuit and a lamp main control board, wherein the control circuit comprises a data receiving and transmitting circuit for receiving and transmitting data according to the control signals of the remote control, a power supply circuit for supplying power to the data receiving and transmitting circuit, and a plurality of interference removing resistors for filtering high-voltage interference; the remote control is wirelessly connected with the data receiving and transmitting circuit through the interference removal resistors; and the data receiving and transmitting circuit is connected with the lamp main control board through the interference removal resistors. According to the remote control circuit of the lamp, interference voltage which is produced by instantaneous high voltage is removed through effective pin series resistors of a single-chip microcomputer U3 of the data receiving and transmitting circuit, so that the defects that the remote control circuit of the clamp is easy to interfere by the instantaneous voltage which is produced by external electromagnetic effect when receiving and transmitting signals and the normal work of the remote control circuit is affected are avoided.
Description
Technical field
The present invention relates to field of circuit control, more particularly, relate to a kind of remote control circuit of lamp going high pressure to disturb.
Background technology
Current light fixture generally uses a teleswitch to realize certain function, such as rotation, switch etc.Existing remote control circuit of lamp receives the control signal of RF Anneta module by I/O mouth, sends to light fixture master control borad after treatment.But in reception with when transmitting control signal, signal is all very easily subject to the transient voltage interference that external electromagnetic effect produces, and affects the normal work of remote control circuit.
Summary of the invention
The technical problem to be solved in the present invention is, is vulnerable to the transient voltage interference that external electromagnetic effect produces, affects the defect that remote control circuit normally works when the lamp remote-control circuit for prior art receives and sends signal.A kind of remote control circuit of lamp by going high pressure to disturb in the effective pin series resistance of chip is provided.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of remote control circuit of lamp, comprise remote controller, control circuit and light fixture master control borad, wherein said control circuit comprises: receive according to the control signal of described remote controller and send the data receiver transtation mission circuit of data; The power supply circuits of working power are provided to described data receiver transtation mission circuit; And multiple for filtration high pressure interference go disturb resistance; Go interference resistance and the wireless connections of described data receiver transtation mission circuit described in described remote controller passes through, described in described data receiver transtation mission circuit passes through, go interference resistance to be connected with described light fixture master control borad;
Described data receiver transtation mission circuit comprises single-chip microcomputer U3, described single-chip microcomputer U3 comprise bus master slave relation is set pin CSN, clock control pin SCK, enable pin CE, interrupt requests pin IRQ, control signal data out pin MISO, control signal data in pin MOSI, data receiver pin RXD and data transmitting pin TXD; Described pin CSN, described pin SCK, described pin CE, described pin IRQ, described pin MISO, described pin MOSI, described pin RXD and described pin TXD go to disturb resistant series with one respectively;
Wherein, the resistance disturbing resistance of going be connected with described pin CSN, described pin SCK, described pin CE, described pin IRQ, described pin MISO and described pin MOSI is 50 Europe, Europe-70;
The resistance disturbing resistance of going be connected with described pin RXD and described pin TXD is 1000 Europe, Europe-3000.
In remote control circuit of lamp of the present invention, described control circuit also comprises the first voltage stabilizing didoe and the second voltage stabilizing didoe, the plus earth of described first voltage stabilizing didoe, the negative electrode of described first voltage stabilizing didoe is directly connected with described pin RXD, the plus earth of described second voltage stabilizing didoe, the negative electrode of described second voltage stabilizing didoe is directly connected with described pin TXD.
In remote control circuit of lamp of the present invention, the puncture voltage of described first voltage stabilizing didoe and described second voltage stabilizing didoe is 5.1V-6V.
In remote control circuit of lamp of the present invention, described power supply circuits comprise for providing the three-terminal voltage-stabilizing chip of stabilized voltage power supply and the voltage conversion chip for carrying out pressure regulation to the output voltage of described three-terminal voltage-stabilizing chip to described control circuit.
In remote control circuit of lamp of the present invention, the model of described three-terminal voltage-stabilizing chip is LM2941, and the signal of described voltage conversion chip is LM1117-3.3.
In remote control circuit of lamp of the present invention, the model of described single-chip microcomputer U3 is ATMEGA48.
Implement remote control circuit of lamp of the present invention, there is following beneficial effect: by removing the interference voltage that instant high-voltage produces in effective pin series resistance of single-chip microcomputer U3, be vulnerable to the transient voltage interference that external electromagnetic effect produces when avoiding lamp remote-control circuit reception transmission signal, affect the defect that remote control circuit normally works.
Connect one at each effective pin of single-chip microcomputer U3 and go to disturb resistance, the best effect of removing interference voltage can be played.Too high interference voltage can be effectively filtered by arranging of voltage stabilizing didoe.Going of being connected with described pin CSN, described pin SCK, described pin CE, described pin IRQ, described pin MISO and described pin MOSI disturbs the less transmission rate that can not have influence between the signal emission module of remote controller of resistance.Going of being connected with described pin RXD and described pin TXD disturbs the resistance of resistance can play more greatly the effect of better going high pressure to disturb.The puncture voltage of voltage stabilizing didoe reduces high pressure interference a little more than the voltage of Serial Port Transmission data on the basis not affecting transfer of data as far as possible.The setting of power supply circuits ensure that the stability of each chip operation.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the physical circuit figure of the preferred embodiment of remote control circuit of lamp of the present invention;
Fig. 2 is the structural representation of the first preferred embodiment of remote control circuit of lamp of the present invention;
Fig. 3 is the structural representation of the second preferred embodiment of remote control circuit of lamp of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In the structural representation of the first preferred embodiment of the remote control circuit of lamp of the present invention shown in Fig. 2, described remote control circuit of lamp comprises remote controller 1, control circuit 2, light fixture master control borad 3, control circuit 2 comprises data receiver transtation mission circuit 21, power supply circuits 22 and multiple going disturb resistance 23, data receiver transtation mission circuit 21 is for receiving according to the control signal of remote controller 1 and sending data, power supply circuits 22 provide working power for giving data receiver transtation mission circuit 21, interference resistance 23 is gone to disturb for filtration high pressure, remote controller 1 is by going interference resistance 23 and data receiver transtation mission circuit 21 wireless connections, data receiver transtation mission circuit 21 is connected with light fixture master control borad 3 by removing interference resistance 23.The control signal that existing remote control circuit of lamp is launched by the antenna transmission module receiving remote controller 1, light fixture master control borad 3 is sent data to realize the distant control function of light fixture after control circuit 2 processes, but control circuit 2 and remote controller 1, carry out between control circuit 2 and light fixture master control borad 3 signal transmit time, pickup electrode is vulnerable to the instantaneous pressure interference that external electromagnetic effect produces, and has influence on the normal work of control circuit 2.Present invention employs multiple interference resistance 23 that goes and eliminate the interference of this instantaneous pressure, during specific works, power to data receiver transtation mission circuit 21 by power supply circuits 22, data receiver transtation mission circuit 21 is by going to disturb resistance 23 to be connected with the antenna transmission module of remote controller 1 and light fixture master control borad 3 respectively, due to the antenna transmission module at data receiver transtation mission circuit 21 and remote controller 1, between data receiver transtation mission circuit 21 and light fixture master control borad 3, series connection goes to disturb resistance 23 effectively bufferedly can filter the instantaneous interference voltage of external electromagnetic effect generation, reach the effect of well going high pressure to disturb.
As the preferred embodiment of remote control circuit of lamp of the present invention, as shown in Figure 1, data receiver transtation mission circuit 21 comprises the single-chip microcomputer U3 that model is ATMEGA48, Atmega48 chip performance is high, low-power consumption, but antijamming capability is not strong, be easily subject to the transient voltage interference that external electromagnetic effect produces.Single-chip microcomputer U3 have bus master slave relation is set pin CSN, clock control pin SCK, enable pin CE, interrupt requests pin IRQ, control signal data out pin MISO, control signal data in pin MOSI, data receiver pin RXD and data transmitting pin TXD; The wherein antenna transmission model calling of pin CSN, SCK, CE, IRQ, MISO, MOSI and remote controller 1, receives the control signal of remote controller 1; Pin RXD, TXD are connected with light fixture master control borad 3, control light fixture realize a series of function according to the control signal of remote controller 1.The flow process that single-chip microcomputer U3 transmits data is as follows:
1, CSN sets to 0 and arranges single-chip microcomputer U3 bus master slave relation;
2, single-chip microcomputer U3 timer/counter OC1A is to IRQ output time length;
3, the CLKO of single-chip microcomputer U3 exports high level to CE;
4, single-chip microcomputer U3 is by the antenna transmission module transmission data of MOSI bus to remote controller 1;
5, SCK bus master clock input;
6, single-chip microcomputer U3 sends high level to CE;
7, the antenna transmission module of remote controller 1 by MISO to single-chip microcomputer U3 transmission of control signals data;
8, to be communicated with light fixture master control borad 3 by RXD, TXD according to control signal and realize distant control function.
When single-chip microcomputer U3 transmits data, the transmission pin of single-chip microcomputer U3 is vulnerable to external disturbance, main because: CE is connected with single-chip microcomputer U3CLKO clock pins, due to the physical characteristic of internal clocking register, the square-wave signal produced is vulnerable to outside erratic electromagnetic interference, thus can cause the girth of square-wave signal and the change of amplitude; IRQ is connected with single-chip microcomputer OC1A pin, and this pin is that timer/counter OC1A exports comparison match; PWM register is easily also subject to outside erratic electromagnetic interference, easily produces PWM wave form varies; In addition these pin major functions of CSN, SCK, MISO, MOSI, RXD, TXD of single-chip microcomputer are all transfer of data, are all very easily subject to the transient voltage interference that external electromagnetic effect produces.In the present invention, pin CSN, pin SCK, pin CE, pin IRQ, pin MISO, pin MOSI, pin RXD and pin TXD go with one to disturb resistance 23 to connect respectively, to reach the effect removing instantaneous pressure interference
As the preferred embodiment of remote control circuit of lamp of the present invention, as shown in Figure 1, control circuit 2 also comprises the first voltage stabilizing didoe and the second voltage stabilizing didoe, the plus earth of the first voltage stabilizing didoe, the negative electrode of the first voltage stabilizing didoe is directly connected with pin RXD, the plus earth of the second voltage stabilizing didoe, the negative electrode of the second voltage stabilizing didoe is directly connected with pin TXD.The TXD of data receiver transtation mission circuit 21, RXD line is connected respectively one and go to disturb resistance 23, also distinguish a upper voltage stabilizing didoe in parallel, can effectively filter too high interference voltage by arranging of voltage stabilizing didoe.The transmission voltage of the TXD of data receiver transtation mission circuit 21, RXD is 5V, and the voltage stabilizing didoe selecting puncture voltage to be 5.1V-6V well can filter the interference voltage caused by electromagnetic induction that instant high-voltage produces on the basis not affecting transfer of data.
As the preferred embodiment of remote control circuit of lamp of the present invention, as shown in Figure 1, the resistance disturbing resistance 23 of going be connected with described pin CSN, described pin SCK, described pin CE, described pin IRQ, described pin MISO and described pin MOSI is 50 Europe, Europe-70.The resistance disturbing resistance 23 of going be connected with described pin RXD and described pin TXD is 1000 Europe, Europe-3000.Going of being connected with pin CSN, pin SCK, pin CE, pin IRQ, pin MISO and pin MOSI disturbs the less transmission rate that can not have influence between the signal emission module of remote controller 1 of resistance 23 resistance, and preferred resistance is 56 Europe.Going of being connected with pin RXD and pin TXD disturbs the resistance of resistance 23 can play more greatly the effect of better going high pressure to disturb, preferred resistance 2000 Europe.
In the structural representation of the second preferred embodiment of the remote control circuit of lamp of the present invention shown in Fig. 3, power supply circuits 22 comprise three-terminal voltage-stabilizing chip 221 and voltage conversion chip 222, three-terminal voltage-stabilizing chip 221 is for providing stabilized voltage power supply to control circuit 2, and voltage conversion chip 222 is for carrying out pressure regulation to the output voltage of three-terminal voltage-stabilizing chip 221.The model of three-terminal voltage-stabilizing chip 221 is LM2941, and the signal of voltage conversion chip 222 is LM1117-3.3.LM2941 provides stable 5V direct current, makes single-chip microcomputer can better the transmission of deal with data, and internal interrupt is more accurate, there will not be unnecessary software stuck, processes the phenomenons such as not normal.During specific works, three-terminal voltage-stabilizing chip 221 inputs the direct current of 12V, the stable direct current exporting 5V, ensure the stable of output voltage, subsequently by the 5V direct current of output by voltage conversion chip 222 be converted to data receiver transtation mission circuit 21 need use 3.3V direct current, ensure that the stability of each chip operation.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure transformation utilizing specification of the present invention and accompanying drawing content to do, or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. a remote control circuit of lamp, comprise remote controller (1), control circuit (2) and light fixture master control borad (3), it is characterized in that, described control circuit (2) comprising:
Receive according to the control signal of described remote controller (1) and send the data receiver transtation mission circuit (21) of data;
The power supply circuits (22) of working power are provided to described data receiver transtation mission circuit (21); And
Multiple for filtration high pressure interference go interference resistance (23);
Interference resistance (23) and the wireless connections of described data receiver transtation mission circuit (21) are gone described in described remote controller (1) passes through,
Described data receiver transtation mission circuit (21) goes interference resistance (23) to be connected with described light fixture master control borad (3) described in passing through;
Described data receiver transtation mission circuit (21) comprises single-chip microcomputer U3, described single-chip microcomputer U3 comprise bus master slave relation is set pin CSN, clock control pin SCK, enable pin CE, interrupt requests pin IRQ, control signal data out pin MISO, control signal data in pin MOSI, data receiver pin RXD and data transmitting pin TXD; Described pin CSN, described pin SCK, described pin CE, described pin IRQ, described pin MISO, described pin MOSI, described pin RXD and described pin TXD go with one to disturb resistance (23) to connect respectively;
Wherein, going of being connected with described pin CSN, described pin SCK, described pin CE, described pin IRQ, described pin MISO and described pin MOSI disturbs the resistance of resistance (23) to be 50 Europe, Europe-70;
Going of being connected with described pin RXD and described pin TXD disturbs the resistance of resistance (23) to be 1000 Europe, Europe-3000.
2. remote control circuit of lamp according to claim 1, it is characterized in that, described control circuit (2) also comprises the first voltage stabilizing didoe and the second voltage stabilizing didoe, the plus earth of described first voltage stabilizing didoe, the negative electrode of described first voltage stabilizing didoe is directly connected with described pin RXD, the plus earth of described second voltage stabilizing didoe, the negative electrode of described second voltage stabilizing didoe is directly connected with described pin TXD.
3. remote control circuit of lamp according to claim 2, is characterized in that, the puncture voltage of described first voltage stabilizing didoe and described second voltage stabilizing didoe is 5.1V-6V.
4. remote control circuit of lamp according to claim 1, it is characterized in that, described power supply circuits (22) comprise for providing the three-terminal voltage-stabilizing chip (221) of stabilized voltage power supply and the voltage conversion chip (222) for carrying out pressure regulation to the output voltage of described three-terminal voltage-stabilizing chip (221) to described control circuit (2).
5. remote control circuit of lamp according to claim 4, is characterized in that, the model of described three-terminal voltage-stabilizing chip (221) is LM2941, and the model of described voltage conversion chip (222) is LM1117-3.3.
6. remote control circuit of lamp according to claim 1, is characterized in that, the model of described single-chip microcomputer U3 is ATMEGA48.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010606256.9A CN102573188B (en) | 2010-12-22 | 2010-12-22 | Remote control circuit of lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010606256.9A CN102573188B (en) | 2010-12-22 | 2010-12-22 | Remote control circuit of lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102573188A CN102573188A (en) | 2012-07-11 |
| CN102573188B true CN102573188B (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010606256.9A Expired - Fee Related CN102573188B (en) | 2010-12-22 | 2010-12-22 | Remote control circuit of lamp |
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| CN (1) | CN102573188B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113541460A (en) * | 2021-07-20 | 2021-10-22 | 珠海格力电器股份有限公司 | Power supply circuit, remote controller and system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2577308Y (en) * | 2002-11-07 | 2003-10-01 | 傅清强 | Image chamber lamp remote-control trigger |
| CN101184353A (en) * | 2007-10-24 | 2008-05-21 | 李舒 | Radio remote address programmable two-way communication digital light control system |
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2010
- 2010-12-22 CN CN201010606256.9A patent/CN102573188B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2577308Y (en) * | 2002-11-07 | 2003-10-01 | 傅清强 | Image chamber lamp remote-control trigger |
| CN101184353A (en) * | 2007-10-24 | 2008-05-21 | 李舒 | Radio remote address programmable two-way communication digital light control system |
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| CN102573188A (en) | 2012-07-11 |
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Granted publication date: 20150318 Termination date: 20181222 |