CN203206545U - AC-drive infrared induction LED lamp - Google Patents
AC-drive infrared induction LED lamp Download PDFInfo
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- CN203206545U CN203206545U CN 201320189587 CN201320189587U CN203206545U CN 203206545 U CN203206545 U CN 203206545U CN 201320189587 CN201320189587 CN 201320189587 CN 201320189587 U CN201320189587 U CN 201320189587U CN 203206545 U CN203206545 U CN 203206545U
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- led lamp
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- lamp pearl
- array
- infrared induction
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Abstract
The utility model discloses an AC-drive infrared induction LED lamp and relates to an LED illumination device, which comprises an LED lamp bead array module, an infrared induction module and an AC drive module. The output terminal of the infrared induction module is connected with the signal input terminal of the AC drive module so as to output induction signals to the AC drive module. The AC drive module is used for providing a constant current to the LED lamp. According to the technical scheme of the utility model, the AC drive technique is directly applied to the AC-drive infrared induction LED lamp, so that the high failure frequency of the DC drive mode can be avoided. Meanwhile, both the conversion efficiency and the power factor are well improved.
Description
Technical field
The utility model relates to a kind of LED lighting device, particularly relates to a kind of interchange and drives infrared induction LED lamp.
Background technology
LED infrared induction lamp is to grow up on the basis of traditional separate type corridor human body inductive lamp, combine energy-conservation, high brightness, environmental protection, long-life advantage of the human body induction function of corridor and led light source, substituted traditional corridor human body inductive lamp, corridor acoustic control lamp and soft-touch control lamp.As the intermittent lighting source of frequent switch, have that the life-span is long, light efficiency is high, volume is little under certain condition, a frequent switch.
But because the limitation of design, the shortcoming of LED infrared induction lamp is also more and more obvious:
At first, common LED infrared induction lamp adopts direct current supply, works under hot conditions for a long time if be used for the Switching Power Supply of DC driven, and failure-frequency is very high.
Secondly, the realization circuit relative complex of common LED infrared induction lamp, debug difficulties.
The utility model content
Because the defects of prior art, technical problem to be solved in the utility model provides a kind of make mistakes infrared induction LED lamp of frequency of power supply that reduces.
For achieving the above object, the utility model provides a kind of interchange to drive infrared induction LED lamp, comprises LED lamp pearl array module and exchanges driver module; Described interchange driver module comprises protective circuit, rectification module and electric power driving module; The output of described protective circuit connects the input of described rectification module, the first output of described rectification module connects the input of described LED lamp pearl array module, and the second output of described rectification module connects the first input end of described electric power driving module; Described electric power driving module is connected with described LED lamp pearl array module, described electric power driving module is for detection of the voltage and current information of described LED lamp pearl array module, and gives described LED lamp pearl array module according to the voltage and current information output feedback control signal that detects; The second input of described electric power driving module connects the output of infrared induction module by switching circuit.
Alternating voltage is at first by protective circuit, protective circuit the electric current of input is protected and by rectification module to its rectification, convert unidirectional pulsating voltage to, exchange driver module the electric current that flows through LED controlled, realize constant current function.When having the people to enter the inductive switching scope, the infrared induction module makes its conducting to switching circuit output high level signal, exchanges the variation that driver module detects the both end voltage of non-essential resistance this moment, increases the electric current that flows through LED, realizes full power output.When nobody entered the inductive switching scope, infrared induction module output low level signal exchanged the less electric current of driver module control and flows through LED to switching circuit.
Described electric power driving module is made of pull-up resistor array, feedback resistance array and alternating current source drive chip; The output of described switching circuit connects the signal input part of described alternating current source drive chip;
Described pull-up resistor array is made of N pull-up resistor;
Described feedback resistance array is made of the feedback resistance of N series connection, and wherein said feedback resistance array strings is associated in the loop of described LED lamp pearl array module and described rectification module;
The input of corresponding feedback resistance is connected in the current detecting end of described alternating current source drive chip and the described feedback resistance array, is used for detecting in real time the current information of the corresponding LED lamp of described LED lamp pearl array module pearl;
The negative pole of corresponding lamp pearl section is connected in the voltage detecting end of described alternating current source drive chip and the LED lamp pearl array module, is used for detecting in real time the information of voltage of the corresponding LED lamp of described LED lamp pearl array module pearl section;
The control end of described alternating current source drive chip is connected by the positive pole of corresponding lamp pearl section in described pull-up resistor array and the described LED lamp pearl array module, be used for exporting respectively feedback control information to corresponding LED lamp pearl section, regulate the input power of corresponding LED lamp pearl section;
Wherein, in the described pull-up resistor array in the quantity of pull-up resistor, the described feedback resistance array in the quantity of feedback resistance, the described alternating current source drive chip quantity of current detecting end, control end and voltage detecting end equal the quantity of LED lamp pearl section in the described LED lamp pearl array module, N is positive integer.
Because AC power directly powers, than adopting direct current supply, interchange is converted to surpass 25% energy in the process of direct current and be consumed, the LED lighting device in the utility model has improved the utilance of electric energy; The utility model can guarantee that this input power is stable simultaneously, and reliable and light-source brightness is stablized flicker free.
Better, described infrared induction module is comprised of infrared sensor and digital processing circuit, and described infrared sensor is connected with described digital processing circuit, and described digital processing circuit is connected with the signal input part of described switching circuit; Described digital processing circuit be used for to receive the line number word processing of going forward side by side of signal that infrared sensor sends, and then the transmission level signal is given described switching circuit.Better, it is the integrated circuit of PS208 that described digital processing circuit adopts model.
Better, it is the chip of EXC100 that described alternating current source drive chip adopts model.AC LED based on EXC100 drives, and transfer ratio and power factor (PF) is had good improvement, and do not have the EMI problem, and good energy-saving effect is arranged.
The beneficial effects of the utility model are: the interchange that the utility model is developed by this technical scheme drives infrared induction LED directly will exchange this technology that applies to that drives, avoided the very high problem of DC driven failure-frequency, transfer ratio and power factor (PF) there is good improvement, and there is not the EMI problem, good energy-saving effect is arranged.The utility model does not use large-scale capacitor, inductance component on circuit design, saved cost.
Description of drawings
Fig. 1 is circuit theory schematic diagram of the present utility model.
Fig. 2 is the circuit connection diagram that the utility model adopts the LED lighting device that the interchange of three sections LED lamp pearls drives.
Embodiment
The below describes embodiments of the invention in detail, and the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " vertically ", " laterally ", " on ", orientation or the position relationship of the indications such as D score, 'fornt', 'back', " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward " be based on orientation shown in the drawings or position relationship, only be for convenience of description the present invention and simplified characterization, rather than indication or the hint device of indication or element must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In description of the invention, unless otherwise prescribed and limit, need to prove, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly to link to each other, and also can indirectly link to each other by intermediary, for the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 1, a kind of interchange drives infrared induction LED lamp, comprises LED lamp pearl array module 1, exchanges driver module 2 and infrared induction module 6; Described interchange driver module 2 comprises protective circuit 3, rectification module 4 and electric power driving module 5; The output of described protective circuit 3 connects the input of described rectification module 4, the first output of described rectification module 4 connects the input of described LED lamp pearl array module 1, and the second output of described rectification module 4 connects the first input end of described electric power driving module 5; Described electric power driving module 5 is connected with described LED lamp pearl array module 1, described electric power driving module 5 is for detection of the voltage and current information of described LED lamp pearl array module 1, and gives described LED lamp pearl array module 1 according to the voltage and current information output feedback control signal that detects; The second input of described electric power driving module 5 connects the output of infrared induction module 6 by switching circuit 7.
Alternating voltage is at first by protective circuit, protective circuit the electric current of input is protected and rectification module to its rectification, convert unidirectional pulsating voltage to, exchange driver module the electric current that flows through LED controlled, realize constant current function.When having the people to enter the inductive switching scope, the infrared induction module makes its conducting to switching circuit output high level signal, exchanges the variation that driver module detects the both end voltage of non-essential resistance this moment, increases the electric current that flows through LED, realizes full power output.When nobody entered the inductive switching scope, infrared induction module output low level signal exchanged the less electric current of driver module control and flows through LED to switching circuit.
As shown in Figure 2, described electric power driving module 5 is made of pull-up resistor array 8, feedback resistance array 9 and alternating current source drive chip 10; The output of described switching circuit 7 connects the signal input part of described alternating current source drive chip 10;
Described pull-up resistor array 8 is made of 3 pull-up resistor R1, R2 and R3.
Described feedback resistance array 9 is made of feedback resistance RS1, RS2 and the RS3 of 3 series connection, and wherein feedback resistance array 9 is connected in the loop of described LED lamp pearl array module 1 and described rectification module 4.
Described alternating current source drive chip 10 comprises by 3 current detecting end S1, the current detecting end group that S2 and S3 consist of, wherein the current detecting end S1 of alternating current source drive chip 10 is connected with the input of feedback resistance RS1, is used for detecting in real time the current information of described LED lamp pearl section SEG1; The current detecting end S2 of alternating current source drive chip 10 is connected with the input of feedback resistance RS2, is used for detecting in real time the current information of described LED lamp pearl section SEG2; The current detecting end S3 of alternating current source drive chip 10 is connected with the input of feedback resistance RS3, is used for detecting in real time the current information of described LED lamp pearl section SEG3.
Described alternating current source drive chip 10 comprises by 3 voltage detecting end T1, the voltage detecting end group that T2 and T3 consist of, the voltage detecting end T1 of described alternating current source drive chip 10 is connected with the negative pole of LED lamp pearl section SEG1, is used for detecting in real time the information of voltage of described LED lamp pearl section SEG1; The voltage detecting end T2 of described alternating current source drive chip 10 is connected with the negative pole of LED lamp pearl section SEG2, is used for detecting in real time the information of voltage of described LED lamp pearl section SEG2; Voltage detecting end T3 is connected with the negative pole of LED lamp pearl section SEG3, is used for detecting in real time the information of voltage of described LED lamp pearl section SEG3.
Described alternating current source drive chip 10 comprises by 3 control end P1, the control end group that P2 and P3 consist of, the control end P1 of described alternating current source drive chip 10 is connected with the positive pole of LED lamp pearl section SEG1 by pull-up resistor R1, be used for the output feedback control information to described LED lamp pearl section SEG1, regulate the input power of described LED lamp pearl section SEG1; The control end P2 of described alternating current source drive chip 10 is connected with the positive pole of LED lamp pearl section SEG2 by pull-up resistor R2, is used for the output feedback control information to described LED lamp pearl section SEG2, regulates the input power of described LED lamp pearl section SEG2; Control end P3 is connected with the positive pole of LED lamp pearl section SEG3 by pull-up resistor R3, is used for output and feeds back to described LED lamp pearl section SEG3, regulates the input power of described LED lamp pearl section SEG3.
Wherein, in the described pull-up resistor array in the quantity of pull-up resistor, the described feedback resistance array in the quantity of feedback resistance, the described alternating current source drive chip quantity of current detecting end, control end and voltage detecting end equal the quantity of LED lamp pearl section in the described LED lamp pearl array module, N is positive integer.
In the present embodiment; described rectification module 4 is selected bridge rectifier; the input of this bridge rectifier and AC power form the loop; the output of this bridge rectifier and described LED lamp pearl array module connect to form the loop to power to described LED lamp pearl array module; described protective circuit 3 is made of fuse F1 and piezo-resistance MOV1; wherein said fuse F1 is serially connected between AC power positive pole and the bridge rectifier input; described piezo-resistance MOV1 is connected in parallel between the input of bridge rectifier, and described switching circuit adopts the field effect transistor circuit to realize.
Described infrared induction module 6 is comprised of infrared sensor 11 and digital processing circuit 12, and described infrared sensor 11 is connected with described digital processing circuit 12, and described digital processing circuit 12 is connected with the signal input part of described switching circuit 7; Described digital processing circuit 12 is used for receiving the line number word processing of going forward side by side of signal that infrared sensor 11 sends, and then the transmission level signal is given described switching circuit 7.In the present embodiment, it is the integrated circuit of PS208 that described digital processing circuit 12 adopts model, and it is the chip of EXC100 that described alternating current source drive chip 10 adopts model.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or the example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: in the situation that do not break away from principle of the present invention and aim can be carried out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited by claim and equivalent thereof.
Claims (5)
1. one kind exchanges driving infrared induction LED lamp, comprises LED lamp pearl array module (1) and exchanges driver module (2); Described interchange driver module (2) comprises protective circuit (3), rectification module (4) and electric power driving module (5); The output of described protective circuit (3) connects the input of described rectification module (4), it is characterized in that: the first output of described rectification module (4) connects the input of described LED lamp pearl array module (1), and the second output of described rectification module (4) connects the first input end of described electric power driving module (5); Described electric power driving module (5) is connected with described LED lamp pearl array module (1), described electric power driving module (5) is for detection of the voltage and current information of described LED lamp pearl array module (1), and gives described LED lamp pearl array module (1) according to the voltage and current information output control signal that detects; The second input of described electric power driving module (5) connects the output of infrared induction module (6) by switching circuit (7).
2. interchange as claimed in claim 1 drives infrared induction LED lamp, and it is characterized in that: described electric power driving module (5) is made of pull-up resistor array (8), feedback resistance array (9) and alternating current source drive chip (10); The output of described switching circuit (7) connects the signal input part of described alternating current source drive chip (10);
Described pull-up resistor array (8) is made of N pull-up resistor;
Described feedback resistance array (9) is made of the feedback resistance of N series connection, and wherein said feedback resistance array (9) is connected in the loop of described LED lamp pearl array module (1) and described rectification module (4);
The input of corresponding feedback resistance is connected in the current detecting end of described alternating current source drive chip (10) and the described feedback resistance array (9), is used for detecting in real time the current information of the corresponding LED lamp of described LED lamp pearl array module (1) pearl;
The negative pole of corresponding lamp pearl section is connected in the voltage detecting end of described alternating current source drive chip (10) and the LED lamp pearl array module (1), is used for detecting in real time the information of voltage of the corresponding LED lamp of described LED lamp pearl array module pearl section;
The control end of described alternating current source drive chip (10) is connected by the positive pole of corresponding lamp pearl section in described pull-up resistor array (8) and the described LED lamp pearl array module (1), be used for exporting respectively feedback control information to corresponding LED lamp pearl section, regulate the input power of corresponding LED lamp pearl section;
Wherein, in the described pull-up resistor array in the quantity of pull-up resistor, the described feedback resistance array in the quantity of feedback resistance, the described alternating current source drive chip quantity of current detecting end, control end and voltage detecting end equal the quantity of LED lamp pearl section in the described LED lamp pearl array module (1), N is positive integer.
3. interchange as claimed in claim 1 or 2 drives infrared induction LED lamp, it is characterized in that: described infrared induction module (6) is comprised of infrared sensor (11) and digital processing circuit (12), described infrared sensor (11) is connected with described digital processing circuit (12), and described digital processing circuit (12) is connected with the signal input part of described switching circuit (7); Described digital processing circuit (12) be used for to receive the line number word processing of going forward side by side of signal that infrared sensor (11) sends, and then the transmission level signal is given described switching circuit (7).
4. interchange as claimed in claim 3 drives infrared induction LED lamp, and it is characterized in that: it is the integrated circuit of PS208 that described digital processing circuit (12) adopts model.
5. interchange as claimed in claim 2 drives infrared induction LED lamp, and it is characterized in that: it is the chip of EXC100 that described alternating current source drive chip (10) adopts model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320189587 CN203206545U (en) | 2013-04-16 | 2013-04-16 | AC-drive infrared induction LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320189587 CN203206545U (en) | 2013-04-16 | 2013-04-16 | AC-drive infrared induction LED lamp |
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| Publication Number | Publication Date |
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| CN203206545U true CN203206545U (en) | 2013-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320189587 Expired - Fee Related CN203206545U (en) | 2013-04-16 | 2013-04-16 | AC-drive infrared induction LED lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108925004A (en) * | 2018-08-08 | 2018-11-30 | 深圳世鸿智汇科技有限公司 | LED drive system |
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- 2013-04-16 CN CN 201320189587 patent/CN203206545U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108925004A (en) * | 2018-08-08 | 2018-11-30 | 深圳世鸿智汇科技有限公司 | LED drive system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zeng Changqing Inventor after: Yuan Renxiang Inventor before: Wen Renti Inventor before: Zhou Jiguang Inventor before: Huang Yin Inventor before: Halihongma Inventor before: Zeng Changqing Inventor before: Yuan Renxiang |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170217 Address after: Xiangyu Street Airport Development Zone Road 401120 Chongqing city Yubei District Shuangfeng Bridge No. 15 Building 1 layer 1 Patentee after: Chongqing Liyang green science and technology business incubator Ltd. Address before: 401121 Chongqing North New District Fortune Center wealth A building 3F, No. 2 Patentee before: Chongqing Liyang Chuangxin Technology Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20170416 |