CN204114620U - A kind of microwave induced LED - Google Patents
A kind of microwave induced LED Download PDFInfo
- Publication number
- CN204114620U CN204114620U CN201420448995.3U CN201420448995U CN204114620U CN 204114620 U CN204114620 U CN 204114620U CN 201420448995 U CN201420448995 U CN 201420448995U CN 204114620 U CN204114620 U CN 204114620U
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- module
- radiator
- base
- led
- microwave induced
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Abstract
The utility model discloses a kind of microwave induced LED, comprise lamp holder, LED lamp panel and lampshade, described lamp holder is threaded with base top, described base is hollow cylindrical and base end is installed with radiator, described base inner wall is provided with two limited impressions symmetrically, described base inner wall be provided with two to base end extend fixed leg and described fixed leg hollow arrange; Described radiator comprises radiator casing in shaped hollow round table and some fin, described radiator casing includes radiator shell and radiator fin base, radiator shell is fixedly connected with radiator fin base, described some fin uniform weldings, on radiator fin base, also comprise the drive circuit board be installed in limited impression.The utility model provides the low and reliable and stable microblogging induction LED lamp of the simple cost of a kind of circuit, not by external environment influence, and can with the distance between people and LED automatic electrodeless adjustment brightness of illumination, for people provide more comfortable illumination.
Description
Technical field
The utility model relates to field of LED illumination, is specifically related to a kind of microwave induced LED responding to human motion.
Background technology
The place of throwing light on as required is needed at the stair, escalator, toilet, corridor, basement, hood etc. of office building, residential building and factory building, extensive use infrared induction and the automatic sense light of sound, but both can by the impact of extraneous factor, infrared responsive to air ambient variations in temperature, air flowing is very large on the impact of sensor, be applied to outdoor, misoperation rate is very high; Acoustic control sense light sound produces signal, and any interference noise triggering requirement that meets all can produce maloperation.
Nowadays LED technology develops very much, and LED is also applied to the occasion of above-mentioned automatic illuminating, and prior art does not give full play to the advantage of LED non-pole light regulating, generally all only has several LED state, such as bright, half bright or extinguishing entirely.
Therefore, for the above-mentioned defect existed in currently available technology, be necessary to study in fact, to provide a kind of scheme, solve the defect existed in prior art, the light modulation advantage of LED can be played further, economize energy, for people provide more comfortable illumination.
Utility model content
In order to overcome the defect of above-mentioned prior art, the utility model provides the low and reliable and stable microwave induced LED of the simple cost of a kind of circuit, not by external environment influence, and automatic electrodeless adjustment brightness of illumination can be changed, for people provide more comfortable illumination with the distance between people and LED.
For solving prior art Problems existing, the technical solution of the utility model is:
A kind of microwave induced LED, comprise lamp holder, LED lamp panel and lampshade, described lamp holder is threaded with base top, described base is hollow cylindrical and base end is installed with radiator, described base inner wall is provided with two limited impressions symmetrically, described base inner wall be provided with two to base end extend fixed leg and described fixed leg hollow arrange;
Described radiator comprises radiator casing in shaped hollow round table and some fin, described radiator casing includes radiator shell and radiator fin base, radiator shell is fixedly connected with radiator fin base, described some fin uniform weldings are on radiator fin base, radiator fin base offers two fixing holes, described LED lamp panel is in the form of annular discs and LED lamp panel offers two installing holes, also evenly distributed in LED lamp panel have LED lamp bar, described fixing hole, installing hole and fixed leg are arranged on same axis, screw runs through two installing holes by LED lamp panel respectively, the fixing hole of radiator is also threaded with fixed leg, radiator is connected with the openend buckle of lampshade away from the opening end of base,
Also comprise the drive circuit board be installed in limited impression;
Described drive circuit board comprises microwave induced module, amplification module, quantum conversion module, control module, tunable optical driver module, luminous intensity detection module, wherein,
Described microwave induced module is used for human body and moves, and is converted into the signal of telecommunication;
Described amplification module is used for the described signal of telecommunication to carry out Linear Amplifer, and its multiplication factor is controlled by described quantum conversion module;
Described quantum conversion module is connected with control module, for controlling the multiplication factor of described amplification module, exports control signal to amplification module according to the instruction of described control module;
Described tunable optical driver module is used for output driving current and lights described LED lamp bar, and its output driving current is controlled by described control module;
Described luminous intensity detection module is for detecting current environment light intensity value and sending to described control module;
Described control module is connected with luminous intensity detection module with amplification module, quantum conversion module, tunable optical driver module, the signal that amplifier module and luminous intensity detection module export, and carry out data analysis and process, send instruction to quantum conversion module and tunable optical driver module.
Preferably, described amplification module adopts model to be OP07 amplification chip.
Preferably, the model that described quantum conversion module adopts MAXIM company to release is the integrated analog switch chip of MAX4602.
Preferably, described luminous intensity detection module adopts photo resistance.
Preferably, described control module produces pwm control signal and sends to described tunable optical driver module.
Preferably, described control module (104) selects the chip PIC12F615 of Microchip company.
Compared with prior art, the beneficial effects of the utility model are as follows:
(1) reduce outside environmental elements to the impact of sense light, reduce false triggering rate;
(2) there is luminous intensity measuring ability, provide illumination according to actual environment luminous intensity situation;
(3) can according to the distance adjustment brightness of illumination of people and lamp, further economize energy;
(4) the little and long service life of volume.
Accompanying drawing explanation
Fig. 1 is the exploded perspective view of the microwave induced LED of the utility model embodiment;
Fig. 2 is the structural representation of radiator in Fig. 1;
Fig. 3 is the theory diagram of the microwave induced LED of the utility model embodiment;
Fig. 4 is the theory diagram of quantum conversion module in the microwave induced LED of the utility model embodiment.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
On the contrary, the utility model is contained any by the substituting of making on marrow of the present utility model and scope of defining of claim, amendment, equivalent method and scheme.Further, in order to make the public have a better understanding to the utility model, in hereafter details of the present utility model being described, detailedly describe some specific detail sections.Do not have the description of these detail sections can understand the utility model completely for a person skilled in the art yet.
See Fig. 1-Fig. 2, microwave induced LED comprises lamp holder 13, LED lamp panel 14 and lampshade 15, lamp holder 13 is connected with base 16 screw top, base 16 is in hollow cylindrical and base 16 end is installed with radiator 12, base 16 inwall is provided with two limited impressions 161 symmetrically, base 16 inwall be provided with two to base 16 end direction extend fixed leg 162 and fixed leg 162 hollow arrange, radiator 12 comprises the radiator casing 121 in shaped hollow round table, some fin 20, radiator casing 121 includes radiator shell 1211 and radiator fin base 1212, radiator shell 1211 is fixedly connected with radiator fin base 1212, some fin 20 uniform weldings are on radiator fin base 1212, radiator fin base 1212 offers two fixing holes 12121, LED lamp panel 14 is in the form of annular discs and LED lamp panel 14 offers two installing holes 141, also evenly distributed in LED lamp panel 14 have LED lamp bar 30, described fixing hole 12121, installing hole 141 and fixed leg 162 are arranged on same axis, two-screw 40 runs through two installing holes 141 by LED lamp panel 14 respectively, two fixing holes 12121 of radiator 12 are also threaded with fixed leg 162, radiator 12 is connected with the openend buckle of lampshade 15 away from the opening end of base 16.
The inwall of radiator 12 opening end offers some grooves 122, lampshade 15 openend inwall also offers and the some convex card divisions 151 of interference fit corresponding with draw-in groove, each card division 151 can inlay card in groove 122.
Two limited impressions 161 are by inner at base 16 for Driver Card limit; This LED entirety is arranged in " small bell " shape, and driver card is wherein embedded in two limited impressions 161 of base 116 inwall, and take full advantage of the space in base 16, volume obviously reduces.
See Fig. 3, Figure 3 shows that the theory diagram of the microwave induced LED of the utility model embodiment, comprise microwave induced module 101, amplification module 102, quantum conversion module 103, control module 104, tunable optical driver module 105, luminous intensity detection module 106 and LED light source 107, wherein
Microwave induced module 101 moves for human body, and is converted into the signal of telecommunication, sends to amplification module 102;
Amplification module 102 is connected with control module 104, for the signal of telecommunication is carried out Linear Amplifer, its multiplication factor is controlled by quantum conversion module 103, the signal of telecommunication that control module 104 amplifier module 102 exports, and according to this Signal Regulation quantum conversion module 103 and then the multiplication factor controlling amplification module 102;
Quantum conversion module 103 is connected with control module 104, for controlling the multiplication factor of amplification module 102, exports control signal to amplification module 102 according to the instruction of control module 104;
Tunable optical driver module 105 lights LED light source 107 for output driving current, and its output driving current is controlled by control module 104;
Luminous intensity detection module 106 is for detecting current environment light intensity value and sending to control module 104;
Control module 104 is connected with luminous intensity detection module 106 with amplification module 102, quantum conversion module 103, tunable optical driver module 105, the signal that amplifier module 102 and luminous intensity detection module 106 export, and carry out data analysis and process, send instruction to quantum conversion module 103 and tunable optical driver module 105.
The electrical signal intensity that microwave induced module 101 responds to human motion generation is extremely faint, and with distance proportion relation, need, through its signal of operation amplifier, to be therefore amplified to suitable scope by amplification module, need the impact considering to reduce noise and external interference simultaneously.The amplitude of output signal is very large with the change span of distance, changes between several order of magnitude.The microwave induced module of the utility model embodiment not only will sense human motion, and will according to the distance between the strength estimation human body of induced signal and LED, to regulate LED brightness of illumination according to demand.Adopt the amplification module of single multiplication factor will introduce comparatively big error, therefore, the utility model embodiment increase quantum conversion module 103 controls amplification module 102 and carries out multiplication factor switching.
See Fig. 4, the theory diagram of quantum conversion module in the microwave induced LED of the utility model embodiment, control range change by adding quantum conversion module in amplification module, quantum conversion module selects multiway analog switch.Analog switch has four-way switch, be respectively K1, K2, K3 and K4, every way switch is connected to resistance R1, R2, R3 and R4 for regulating multiplication factor respectively, has different resistance values, and control module 103 controls multiplication factor by the resistance value that the switching that controls different analog switch is different.
Analog switch is generally multiple passage, and port number is more, parasitic capacitance and leakage current larger.When a control passage gating, other passages are in high-impedance state, can exist and leakage current is had an impact to passage, so when selecting analog switch, because photo-signal is fainter, when leakage current is larger, large error is produced to measurement optical signal, considered by synthesise various, the analog switch MAX4602 that the utility model embodiment adopts a leakage current little, reduce leakage current to the impact of testing circuit.MAX4602 analog switch is the four-way analog switch that MAXIM company releases.
Amplification module 102 adopts OP07 amplification chip, OP07 is the operational amplifier of a kind of low-power consumption, non-chopper-zero-stabilized, has low-down offset voltage (being 150uV to the maximum), low maladjustment voltage drift (0.5uV/ DEG C), the features such as low Low-bias Current (2nA).OP07 is the DIP encapsulation of 8 pins, generally adopts dual power supply, also can adopt single supply simultaneously.The characteristic that OP07 has low input bias current and high open-loop gain simultaneously makes OP07 be applicable to the measurement device of high-gain and amplify the aspects such as small-signal.
Luminous intensity detection module 107 adopts photo resistance; The resistance that photo resistance produces is directly proportional to the light intensity value of environment, and can adopt and more simply measure light intensity value, generally adopt electric resistance partial pressure, sample voltage value just can measure light intensity value.
Control module 104 produces pwm signal and exports to and regulates LED drive module 106 to regulate its output driving current, and then regulates the brightness of LED light source 108.The control mode of control module 104 is as follows: first judge that current environment is the need of unlatching illumination by the light intensity value of luminous intensity detection module 107; If current environment does not need to open illumination, then do not do any action; If need to open illumination, calculate the distance between human body and LED according to the microwave signal value of sampling, regulate the brightness of LED light source according to distance change output pwm signal; Normal condition is all the process far away that draws near again, and control quantum conversion module 103 and amplification module 102 is switched to maximum amplification, now microwave induced module 101 distance that can detect farthest; When starting human motion to have been detected, signal is more weak, and now people's distance lamp is also comparatively far away, regulates LED light source to the brightest; Along with human body is constantly close, signal is grow gradually, if exceed measurement category, then switch to low one grade of range to detect more accurately, constantly regulate the brightness of LED light source with the change of signal, along with the enhancing of signal constantly turns down brightness, along with weakening of signal constantly highlights simultaneously, enough illuminations can be provided, the energy can be made full use of further simultaneously.
In a preferred embodiment, control module 104 selects the chip PIC12F615 of Microchip company, it is a low-power consumption, high-performance 8 8-digit microcontroller, on sheet, Flash allows program storage in-system programmable components, for many embedded control systems provide the solution of high flexibility, high performance-price ratio.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. a microwave induced LED, it is characterized in that, comprise lamp holder, LED lamp panel and lampshade, described lamp holder is threaded with base top, described base is hollow cylindrical and base end is installed with radiator, described base inner wall is provided with two limited impressions symmetrically, described base inner wall be provided with two to base end extend fixed leg and described fixed leg hollow arrange;
Described radiator comprises radiator casing in shaped hollow round table and some fin, described radiator casing includes radiator shell and radiator fin base, radiator shell is fixedly connected with radiator fin base, described some fin uniform weldings are on radiator fin base, radiator fin base offers two fixing holes, described LED lamp panel is in the form of annular discs and LED lamp panel offers two installing holes, also evenly distributed in LED lamp panel have LED lamp bar, described fixing hole, installing hole and fixed leg are arranged on same axis, screw runs through two installing holes by LED lamp panel respectively, the fixing hole of radiator is also threaded with fixed leg, radiator is connected with the openend buckle of lampshade away from the opening end of base,
Also comprise the drive circuit board be installed in limited impression;
Described drive circuit board comprises: microwave induced module (101), amplification module (102), quantum conversion module (103), control module (104), tunable optical driver module (105), luminous intensity detection module (106) and LED light source (107), wherein
Described microwave induced module (101) is moved for human body, and is converted into the signal of telecommunication;
Described amplification module (102) is for carrying out Linear Amplifer by the described signal of telecommunication, and its multiplication factor is controlled by described quantum conversion module (103);
Described quantum conversion module (103) is connected with control module (104), for controlling the multiplication factor of described amplification module (102), export control signal to amplification module (102) according to the instruction of described control module (104);
Described tunable optical driver module (105) lights described LED light source (107) for output driving current, and its output driving current is controlled by described control module (104);
Described luminous intensity detection module (106) is for detecting current environment light intensity value and sending to described control module (104);
Described control module (104) is connected with luminous intensity detection module (106) with amplification module (102), quantum conversion module (103), tunable optical driver module (105), the signal that amplifier module (102) and luminous intensity detection module (106) export, and carry out data analysis and process, send instruction to quantum conversion module (103) and tunable optical driver module (105).
2. microwave induced LED according to claim 1, is characterized in that, described amplification module (102) adopts model to be OP07 amplification chip.
3. microwave induced LED according to claim 1 and 2, is characterized in that, the model that described quantum conversion module (103) adopts MAXIM company to release is the integrated analog switch chip of MAX4602.
4. microwave induced LED according to claim 3, is characterized in that, described luminous intensity detection module (106) adopts photo resistance.
5. microwave induced LED according to claim 1, is characterized in that, described control module (104) produces pwm control signal and sends to described tunable optical driver module (105).
6. microwave induced LED according to claim 5, is characterized in that, described control module (104) selects the chip PIC12F615 of Microchip company.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420448995.3U CN204114620U (en) | 2014-08-08 | 2014-08-08 | A kind of microwave induced LED |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420448995.3U CN204114620U (en) | 2014-08-08 | 2014-08-08 | A kind of microwave induced LED |
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| Publication Number | Publication Date |
|---|---|
| CN204114620U true CN204114620U (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420448995.3U Expired - Fee Related CN204114620U (en) | 2014-08-08 | 2014-08-08 | A kind of microwave induced LED |
Country Status (1)
| Country | Link |
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| CN (1) | CN204114620U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154448A (en) * | 2014-08-08 | 2014-11-19 | 慈溪锐恩电子科技有限公司 | Microwave induction LED lamp |
| CN110220173A (en) * | 2019-05-08 | 2019-09-10 | 海洋王（东莞）照明科技有限公司 | Explosion-proof platform lamp |
-
2014
- 2014-08-08 CN CN201420448995.3U patent/CN204114620U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154448A (en) * | 2014-08-08 | 2014-11-19 | 慈溪锐恩电子科技有限公司 | Microwave induction LED lamp |
| CN104154448B (en) * | 2014-08-08 | 2016-03-16 | 慈溪锐恩电子科技有限公司 | A kind of microwave induced LED |
| CN110220173A (en) * | 2019-05-08 | 2019-09-10 | 海洋王（东莞）照明科技有限公司 | Explosion-proof platform lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150121 Termination date: 20160808 |