CN203136267U - LED driving device capable of automatically recognizing and adaptively controlling sensors - Google Patents
LED driving device capable of automatically recognizing and adaptively controlling sensors Download PDFInfo
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- CN203136267U CN203136267U CN 201320093901 CN201320093901U CN203136267U CN 203136267 U CN203136267 U CN 203136267U CN 201320093901 CN201320093901 CN 201320093901 CN 201320093901 U CN201320093901 U CN 201320093901U CN 203136267 U CN203136267 U CN 203136267U
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Abstract
The utility model discloses an LED driving device capable of automatically recognizing and adaptively controlling sensors. The LED driving device comprises an LED power supply driving module, sensors, and a sensor recognition control module, wherein different types of the sensors are used according to different spaces in which an LED light source is arranged; the sensor recognition control module is electrically connected between the LED power supply driving module and the sensor and composed of a sensor type recognizing circuit and a sensor working mode feedback circuit in parallel connection with the sensor type recognizing circuit, the sensor recognition circuit outputs the corresponding voltage ratio, a micro control unit MCU judges the corresponding type of the sensor according to different voltage ratios, the sensor working mode feedback circuit outputs the analog amount, and the micro control unit MCU calls the working mode matched with the connected sensor according to the received analog amount, so as to control the LED light source. The LED driving device solves the defects of the prior art that the LED driving device cannot be compatible to various sensors, and conveniently switches various sensors, so as to realize the optimization of economic benefits and social benefits.
Description
Technical field
The utility model relates to the LED electronic application field, relates in particular to a kind of identification and the compatible LED drive unit of controlling sensors of various types.
Background technology
Along with the development of lighting technology, led light source is just obtaining increasing development as a kind of green light source of new rise, and the utilization of LED is just becoming following trend.In the LED application technology, working method for LED has proposed increasing requirement: as require on the present market along with human body moves and controls the mode of light source, vary with temperature and control the mode of light source, infrared ray control mode, the wireless remote control mode, etc.And to realize top function, and LED is driven proposed new requirement, need add upper sensor in present LED driving just can realize, as add: human body sensor, temperature sensor, infrared sensor, wireless senser, etc.
On the existing market, these transducer connected modes are unification, namely driving manufacturer at LED begins, a driving is only with fixing supporting a kind of transducer, after production is finished, the mode of its transducer cannot be changed easily, and driving power can not be realized compatible easily to various types of transducers.So just cause manufacturer reply client's demand response speed slower, in stock more drawback.
And in the use, existing this single driving is owing to cannot switch transducer easily, user's management and control is more loaded down with trivial details, if there is different working methods, the driving power of necessary standby a lot of these single modes has limited its scope of application, and after installing, change mode of operation if desired, must transducer and driving power change jointly, just can realize the conversion of whole mode of operation.
The utility model content
At the deficiencies in the prior art, the technical problems to be solved in the utility model provides a kind of LED drive unit that can identify and control the dissimilar sensor mode of operation automatically, and can easily switch various transducers under the constant situation of LED electric power driving module.
Technical scheme provided by the utility model is, but the LED drive unit of a kind of automatic identification sensor and Adaptive Control, and it comprises:
The LED electric power driving module, it is built-in with micro-control unit MCU, and has voltage output end mouth, grounding ports and at least two receiver ports;
Transducer, it is arranged in the space, LED light source place to be controlled, and described transducer adopts different types because of the difference in space, described led light source place;
Transducer identification control module, it is connected electrically between described LED electric power driving module and the transducer, the working sensor pattern feedback circuit that comprises the sensor type identification circuit and be in parallel with it, described sensor type identification circuit has at least one and the corresponding signal output port that is connected of LED electric power driving module receiver port respectively with working sensor pattern feedback circuit, described transducer identification circuit is exported corresponding voltage ratio to described LED electric power driving module according to the transducer that inserts, described micro-control unit MCU judges the corresponding sensor type according to different voltage ratios, described working sensor pattern feedback circuit exports the transducer output analog quantity of corresponding types to described LED electric power driving module, exports the signal realization of led light source to the control of led light source thereby described micro-control unit MCU calls the mode of operation that is complementary with the transducer that inserts according to the analog quantity that receives to adjust the LED electric power driving module.
Preferably, described sensor type identification circuit comprises first resistance R 1, second resistance R 2 that is in series and connects, the other end of described first resistance R 1 is connected with the voltage output end mouth of described LED electric power driving module, described first resistance R 1 is connected the other end ground connection of described second resistance R 2 with second resistance R, 2 common connection ends with a receiver port of described LED electric power driving module; Described working sensor pattern feedback circuit comprises the 3rd resistance R 3, the 4th resistance R 4 that is in series and connects, the other end of described the 3rd resistance R 3 is connected with the voltage output end mouth of described LED electric power driving module, described the 3rd resistance R 3 is connected the other end ground connection of described the 4th resistance R 4 with the 4th resistance R 4 common connection ends with another receiver port of described LED electric power driving module; Described transducer is in parallel with the 4th resistance R 4 and is connected.
Preferably, described sensor type difference, described sensor type identification circuit first resistance R 1 is different with the resistance value of second resistance R 2, and the resistance value of described working sensor pattern feedback circuit the 3rd resistance R 3 and the 4th resistance R 4 is also different.
Preferably, described transducer identification control module is encapsulated as standalone module, and it is connected with described LED electric power driving module and described transducer changeable type.
Preferably, described sensor type comprises temperature sensor, photodiode, infrared sensor, human body sensor, wireless senser.
Preferably, to export the voltage of described transducer identification control module to be 5V to described LED electric power driving module voltage output end mouth.
Compared with prior art the utility model has the advantages that: because the utility model has been set up an identification control module for identification and control multiple sensors in existing led drive circuit module, having solved in the prior art, LED drives and can not carry out compatible drawback to various transducers, and solved manufacturer and user cost is too high, the inconvenience of getting the raw materials ready, get ready the goods, the management and control inconvenience is not easy to the various drawbacks of changing after the use.Under the constant situation of led drive circuit module, switch various types of transducers easily, to realize the optimization of economic benefit, social benefit.
Description of drawings
Accompanying drawing 1 is structural principle schematic diagram of the present utility model;
Wherein: 1, LED electric power driving module; 2, transducer; 3, transducer identification control module; 4, led light source.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail:
As shown in Figure 1, a kind of LED drive unit of identifying and controlling transducer, comprise LED electric power driving module 1 and transducer 2, described LED electric power driving module 1 comprises that micro-control unit MCU(is not shown), voltage output pin, TX pin, RX pin and GND grounding pin, the output of LED electric power driving module 1 is connected with the driving LED light source with led light source 4.
Also be connected with transducer identification control module 3 between LED electric power driving module 1 and the transducer 2, transducer recognition control circuit module 3 comprises sensor type identification circuit and the working sensor pattern feedback circuit that is in parallel and connects.Wherein, the sensor type identification circuit comprises first resistance R 1, second resistance R 2 that is in series and connects, the other end of first resistance R 1 is connected with the voltage output end mouth of LED electric power driving module, first resistance R 1 is connected the other end ground connection GND of second resistance R 2 with second resistance R, 2 common connection end TX with the TX end of LED electric power driving module; Described working sensor pattern feedback circuit comprises the 3rd resistance R 3, the 4th resistance R 4 that is in series and connects, the other end of the 3rd resistance R 3 is connected with the voltage output end mouth of LED electric power driving module, the 3rd resistance R 3 is connected the other end ground connection GND of the 4th resistance R 4 with the 4th resistance R 4 common connection end RX with the RX port of LED electric power driving module; Described transducer 2 is in parallel with the 4th resistance R 4 and is connected.
Because the employed environment of led light source or space difference, the sensor type that adopts also can be different.Sensor type comprises the various transducers of temperature sensor, photodiode, infrared sensor, human body sensor, wireless senser etc.Based on above-mentioned different transducer, in the utility model, first resistance R 1 of sensor type identification circuit is different with the resistance value of second resistance R 2, and the resistance value of working sensor pattern feedback circuit the 3rd resistance R 3 and the 4th resistance R 4 is also different.
And transducer identification control module can be encapsulated as standalone module, in use, when adopting different sensors, can use the transducer recognition control circuit module that is complementary with this transducer instead, namely do not need to change the LED electric power driving module, directly change supporting transducer recognition control circuit module and get final product.
To be elaborated to the utility model operation principle below:
When transducer recognition control circuit module 3 connected dissimilar sensor 2, first resistance R 1 was different with the resistance value of second resistance R 2, thereby micro-control unit MCU judges sensor type according to the different voltage ratio signals of TX pin.Specifically, the voltage output end mouth output voltage of LED electric power driving module 1 is in transducer identification control module 3(present embodiment, output voltage is 5V), first resistance R 1 and second resistance R 2 of transducer identification control module 3 are carried out dividing potential drop, by getting the different voltage ratio signals at TX pin place, pass LED electric power driving module 1 back, the micro-control unit MCU in the LED electric power driving module 1 judges corresponding which kind of sensor type according to different voltage ratios.Such as, establishing first resistance R 1 and second resistance R 2 all is 10K, and voltage ratio is 2.5V, and corresponding is temperature sensor; If first resistance R 1 and second resistance R 2 are respectively 20K and 10K, voltage ratio is 1.67V, and corresponding is infrared sensor.
When transducer recognition control circuit module 3 connects dissimilar sensor 2, the 3rd resistance R 3 is different with the resistance value of the 4th resistance R 4, described micro-control unit MCU controls the mode of operation of this transducer according to the sensor type of having judged, and handle analog quantity that described RX pin passes back to adjust output, realize the control to led light source.
Such as, the 3rd resistance R 3 and the 4th resistance R 4 all are 10K, transducer is the thermistor of negative temperature coefficient, and when ambient temperature changed from 0 degree to 100 degree, the voltage on the RX pin arrived 2.5V at 0.5V, this analog quantity is passed drive circuit module 1 back, thereby by driving the numerical value that internal calculation obtains temperature, it is carried out different processing, adjust drive circuit module 1 output, when too high such as external temperature, power etc. falls.For another example, the 3rd resistance R 3 and the 4th resistance R 4 all are 1M, transducer is photodiode, when illumination from 1000 lumens to 10 lumens the time, the voltage on the corresponding RX pin be 2.5V to 0.3V, this analog quantity is passed drive circuit module 1 back, thereby obtain different numerical value by driving internal calculation, it is carried out different processing, adjust drive circuit module 1 output, realized the compatibility of dissimilar sensor easily.
The utility model has been set up a transducer identification control module that independently is complementary with sensor type in existing LED power drives outside, in use, difference according to sensor type, only need to change corresponding transducer identification control module, need not to change existing LED power driving circuit, both having solved in the prior art, LED drives and can not carry out compatible drawback to various transducers, solved manufacturer again and user cost is too high, the inconvenience of getting the raw materials ready, get ready the goods, management and control inconvenience is not easy to the various drawbacks of changing after the use.And can under the constant situation of led drive circuit module, switch various types of transducers easily, to realize the optimization of economic benefit, social effect.
The utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence; those skilled in the art can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the scope of claim protection of the present utility model.
Claims (6)
- But 1. the LED drive unit of an automatic identification sensor and Adaptive Control, it is characterized in that: it comprises:The LED electric power driving module, it is built-in with micro-control unit MCU, and has voltage output end mouth, grounding ports and at least two receiver ports;Transducer, it is arranged in the space, LED light source place to be controlled, and described transducer adopts different types because of the difference in space, described led light source place;Transducer identification control module, it is connected electrically between described LED electric power driving module and the transducer, the working sensor pattern feedback circuit that comprises the sensor type identification circuit and be in parallel with it, described sensor type identification circuit has at least one and the corresponding signal output port that is connected of LED electric power driving module receiver port respectively with working sensor pattern feedback circuit, described transducer identification circuit is exported corresponding voltage ratio to described LED electric power driving module according to the transducer that inserts, described micro-control unit MCU judges the corresponding sensor type according to different voltage ratios, described working sensor pattern feedback circuit exports the Sensor Analog Relay System amount of corresponding types to described LED electric power driving module, exports the signal realization of led light source to the control of led light source thereby described micro-control unit MCU calls the mode of operation that is complementary with the transducer that inserts according to the analog quantity that receives to adjust the LED electric power driving module.
- 2. but the LED drive unit of automatic identification sensor according to claim 1 and Adaptive Control, it is characterized in that: described sensor type identification circuit comprises first resistance R 1, second resistance R 2 that is in series and connects, the other end of described first resistance R 1 is connected with the voltage output end mouth of described LED electric power driving module, described first resistance R 1 is connected the other end ground connection of described second resistance R 2 with second resistance R, 2 common connection ends with a receiver port of described LED electric power driving module; Described working sensor pattern feedback circuit comprises the 3rd resistance R 3, the 4th resistance R 4 that is in series and connects, the other end of described the 3rd resistance R 3 is connected with the voltage output end mouth of described LED electric power driving module, described the 3rd resistance R 3 is connected the other end ground connection of described the 4th resistance R 4 with the 4th resistance R 4 common connection ends with another receiver port of described LED electric power driving module; Described transducer is in parallel with the 4th resistance R 4 and is connected.
- 3. but the LED drive unit of automatic identification sensor according to claim 2 and Adaptive Control, it is characterized in that: described sensor type difference, described sensor type identification circuit first resistance R 1 is different with the resistance value of second resistance R 2, and the resistance value of described working sensor pattern feedback circuit the 3rd resistance R 3 and the 4th resistance R 4 is also different.
- 4. but according to the LED drive unit of the arbitrary described automatic identification sensor in the claim 1 to 3 and Adaptive Control, it is characterized in that: described transducer identification control module is encapsulated as standalone module, and it is connected with described LED electric power driving module and described transducer changeable type.
- 5. but the LED drive unit of automatic identification sensor according to claim 4 and Adaptive Control, it is characterized in that: described sensor type comprises temperature sensor, photodiode, infrared sensor, human body sensor, wireless senser.
- 6. but the LED drive unit of automatic identification sensor according to claim 1 and Adaptive Control is characterized in that: the voltage that described LED electric power driving module voltage output end mouth exports described transducer identification control module to is 5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320093901 CN203136267U (en) | 2013-03-01 | 2013-03-01 | LED driving device capable of automatically recognizing and adaptively controlling sensors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320093901 CN203136267U (en) | 2013-03-01 | 2013-03-01 | LED driving device capable of automatically recognizing and adaptively controlling sensors |
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| Publication Number | Publication Date |
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| CN203136267U true CN203136267U (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320093901 Withdrawn - After Issue CN203136267U (en) | 2013-03-01 | 2013-03-01 | LED driving device capable of automatically recognizing and adaptively controlling sensors |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103139994A (en) * | 2013-03-01 | 2013-06-05 | 太仓电威光电有限公司 | Light-emitting diode (LED) driving device capable of automatically identifying sensor and adaptively controlling sensor |
| WO2017114147A1 (en) * | 2015-12-29 | 2017-07-06 | Sengled Co., Ltd. | Interface-control device and related method |
-
2013
- 2013-03-01 CN CN 201320093901 patent/CN203136267U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103139994A (en) * | 2013-03-01 | 2013-06-05 | 太仓电威光电有限公司 | Light-emitting diode (LED) driving device capable of automatically identifying sensor and adaptively controlling sensor |
| CN103139994B (en) * | 2013-03-01 | 2014-11-05 | 太仓电威光电有限公司 | Light-emitting diode (LED) driving device capable of automatically identifying sensor and adaptively controlling sensor |
| WO2017114147A1 (en) * | 2015-12-29 | 2017-07-06 | Sengled Co., Ltd. | Interface-control device and related method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130814 Effective date of abandoning: 20141105 |
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| RGAV | Abandon patent right to avoid regrant |