TW202011776A - LED lamp brightness control structure capable of simplifying the wiring between the sensing switch and the LED control devices and reducing the manufacture cost - Google Patents
LED lamp brightness control structure capable of simplifying the wiring between the sensing switch and the LED control devices and reducing the manufacture cost Download PDFInfo
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
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- H—ELECTRICITY
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- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
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Abstract
Description
本發明係有關於一種LED控制裝置,尤指一種兼具容易配線與能降低建置成本之LED燈明亮控制結構。 The invention relates to an LED control device, in particular to an LED lamp brightness control structure which has easy wiring and can reduce construction cost.
按,習知之一種LED燈明亮控制結構,如第3圖所示,其包括有一感測開關301、複數個LED驅動器302及複數個LED燈303,該感測開關301以二條導線(304)(305)連接該LED驅動器302,而該LED燈303是直接固定於該LED驅動器302,即該LED驅動器302與該LED燈303一整體結構,又該感測器使用繼電器為ON/OFF動作零件,藉此於感測範圍內有動態變化時,將電壓訊號透過該導線(303)(304)傳輸至該LED驅動器302,讓該LED驅動器302控制點亮該LED燈303之時機與控制明亮度,進而達到控制該LED燈303之目的,但詳觀上述習知結構不難發覺其尚存有些許不足之處,主要原因係歸如下:於使用上該感測開關301需要同時連接複數個該LED驅動器302與該LED燈303,且該感測開關301所裝設位置與上述需要照明位置具有相當距離,因此兩條該導線(304)(305)存在有需要配線的需求,當LED燈303的數量愈多,該導線(304)(305)於配線上的困難度將大幅的增加,更是大量的提高該電線的使用量,使該習知之電壓型感測方式具有不易配線與建置成本偏高之缺點,又該電壓型感測方式之該感測開關301將受到該LED驅動器302的瓦特數限制,連接過多該LED燈303會產生明顯的壓降,使該感測開關301同時連接該LED燈303的數量受到 限制而無法靈活的配置與使用。 According to a conventionally known LED lamp brightness control structure, as shown in FIG. 3, it includes a
有鑑於此,本發明人於多年從事相關產品之製造開發與設計經驗,針對上述之目標,詳加設計與審慎評估後,終得一確具實用性之本發明。 In view of this, the inventor has been engaged in the manufacturing development and design of related products for many years. In view of the above objectives, after detailed design and careful evaluation, the inventor finally has a practical invention.
本發明所欲解決之技術問題在於針對現有技術存在的上述缺失,提供一種LED燈明亮控制結構。 The technical problem to be solved by the present invention is to provide an LED lamp brightness control structure in view of the above-mentioned defects in the prior art.
一感測開關用於感測環境變化產生有一電流訊號,且該電流訊號透過一導線形成輸出,至少一LED控制裝置,該LED控制裝置包括有一電流整流單元、一限流單元、一轉阻放大單元、一分壓電路單元及一樞密特電路單元,該電流整流單元以一二極體的陽極連接該感測開關之導線,並以該二極體對該電流訊號進行整流,該限流單元包括有互相串聯的一第一電阻與一第二電阻,該第一電阻的輸入端連接該二極體的陰極,並由該限流單元形成該電流訊號的限流,該轉阻放大單元包括有一光輸出耦合器、一光接收耦合器及一電壓放大器,該光輸出耦合器的一端與該第二電阻之輸出端連接,且該光輸出耦合器的另一端接地,讓該電流訊號通過該光輸出耦合器產生光訊號,又該光接收耦合器之射極連接該電壓放大器之同相端,且該光接收耦合器之集極連接該電壓放大器之反相端,並由該光接收耦合器之基極接收光訊號而產生有對應該電流訊號的一電壓訊號,而該電壓放大器的輸出端與該分壓電路單元連接,讓該電壓訊號經過該電壓放大器的訊號的訊號放大後再流經該分壓電路單元進行分壓,該樞密特電路單元之同相端連接該分壓電路單元,且該樞密特電路單元接收該電壓 訊號產生有具開燈與關燈(ON/OFF)的方波訊號,並由該樞密特電路單元的輸出端輸出該方波訊號來達成控制目的。 A sensing switch is used for sensing environmental changes to generate a current signal, and the current signal forms an output through a wire, at least one LED control device, the LED control device includes a current rectification unit, a current limiting unit, a transimpedance amplifier Unit, a voltage divider circuit unit and a Schmitt circuit unit, the current rectifying unit connects the wire of the sensing switch with the anode of a diode, and rectifies the current signal with the diode, the limit The current unit includes a first resistor and a second resistor connected in series with each other, the input terminal of the first resistor is connected to the cathode of the diode, and the current limiting unit forms the current limit of the current signal, and the transimpedance is amplified The unit includes an optical output coupler, an optical receiving coupler, and a voltage amplifier. One end of the optical output coupler is connected to the output end of the second resistor, and the other end of the optical output coupler is grounded to allow the current signal An optical signal is generated through the optical output coupler, and the emitter of the optical receiving coupler is connected to the non-inverting terminal of the voltage amplifier, and the collector of the optical receiving coupler is connected to the inverting terminal of the voltage amplifier, and is received by the light The base of the coupler receives the optical signal to generate a voltage signal corresponding to the current signal, and the output terminal of the voltage amplifier is connected to the voltage divider circuit unit to allow the voltage signal to be amplified by the signal of the voltage amplifier It then flows through the voltage-dividing circuit unit to divide the voltage. The non-inverting end of the pivotal circuit unit is connected to the voltage-dividing circuit unit, and the pivotal circuit unit receives the voltage signal to generate lights with turning on and off ( ON/OFF) square wave signal, and the square wave signal is output from the output terminal of the Schmitt circuit unit to achieve the control purpose.
其中,該轉阻放大器更包括有一第三電阻、一濾波器、一保護器、一第四電阻及一電容器,該光輸出耦合器透過該第三電阻與該第二電阻連接,且該濾波器與該保護器以互呈並聯的一端連接於該第三電阻與該第二電阻之間,以及互呈並聯的另一端連接於該光輸出耦合器接地的一端,且該第四電阻與該電容器以互呈並聯的一端連接於該光接收耦合器與該電壓放大器反相端之間,以及互呈並聯的另一端連接於該光接收耦合器輸出端與該分壓電路單元輸入端之間。 Wherein, the transimpedance amplifier further includes a third resistor, a filter, a protector, a fourth resistor and a capacitor, the optical output coupler is connected to the second resistor through the third resistor, and the filter One end connected in parallel with the protector is connected between the third resistor and the second resistor, and the other end connected in parallel with each other is connected to the grounded end of the optical output coupler, and the fourth resistor and the capacitor One end connected in parallel to each other is connected between the light receiving coupler and the inverting terminal of the voltage amplifier, and the other end connected in parallel is connected between the output end of the light receiving coupler and the input end of the voltage dividing circuit unit .
其中,該分壓電路單元包括有一第五電阻與一第六電阻,該第五電阻與該第六電阻互相串聯,且該第五電阻的輸入端連接該光接收耦合器的輸出端,而該第五電阻與該第六電阻之間連接該樞密特電路單元之同相端。 Wherein, the voltage dividing circuit unit includes a fifth resistor and a sixth resistor, the fifth resistor and the sixth resistor are connected in series with each other, and the input terminal of the fifth resistor is connected to the output terminal of the light receiving coupler, and The fifth resistor and the sixth resistor are connected to the in-phase terminal of the Schmitt circuit unit.
其中,該LED控制裝置更包括有一微控制器與一功能設定單元,該微控制器連接該光接收耦合器輸出端,且該功能設定單元連接於該第六電阻輸出端與該微控制器之間,而該第六電阻、該微控制器與該功能設定單元形成有共同接地,又該功能設定單元能進行手動設定,藉此控制該微控制器於接收該方波訊號後進行所設定的亮燈模式。 Wherein, the LED control device further includes a microcontroller and a function setting unit, the microcontroller is connected to the output terminal of the light receiving coupler, and the function setting unit is connected to the sixth resistance output terminal and the microcontroller The sixth resistor, the microcontroller and the function setting unit form a common ground, and the function setting unit can be manually set, thereby controlling the microcontroller to perform the set after receiving the square wave signal Lighting mode.
其中,該LED控制裝置更包括有一參考電源單元,該參考電源單元形成有一第一端點、一第二端點及一第三端點,該第一端點用於輸入直流電壓,且該第二端點用於接地,又該參考電源單元之第三端點連接該電壓放大器、該樞密特電路單元及該微控制器,並由該第三端點輸出 提供低電壓的控制直流電源。 Wherein, the LED control device further includes a reference power unit, the reference power unit forms a first terminal, a second terminal and a third terminal, the first terminal is used to input a DC voltage, and the first The two terminals are used for grounding, and the third terminal of the reference power unit is connected to the voltage amplifier, the Schmitt circuit unit, and the microcontroller, and the third terminal outputs a low-voltage control DC power supply.
其中,該參考電源單元為一種低壓差線性穩壓器(Low Dropout Regulator,LDO)。 Wherein, the reference power supply unit is a low dropout linear regulator (Low Dropout Regulator, LDO).
其中,該LED控制裝置更包括有一LED驅動控制單元,該LED驅動控制單元一端連接該微控制器的輸出端,且該LED驅動控制單元另一端連接有一LED燈,透過該LED驅動控制單元驅動該LED燈進行點亮與調整亮度控制,且該LED驅動控制單元之調整亮度控制能形成無段式的漸亮或漸暗的亮燈變化。 Wherein, the LED control device further includes an LED drive control unit, one end of the LED drive control unit is connected to the output end of the microcontroller, and the other end of the LED drive control unit is connected to an LED lamp, which is driven by the LED drive control unit The LED lamp performs lighting and brightness adjustment control, and the brightness adjustment control of the LED driving control unit can form a stepless gradual brightening or dimming brightening change.
其中,該LED控制裝置更包括有一整流單元與一電源供電單元,該整流單元連接外部電源並整流輸出連接至該電源供電單元與該LED驅動控制單元,藉由該整流單元提供電力給該LED燈使用,又該電源供電單元連接該參考電源單元,透過該電源供電單元進行降壓後供電給該參考電源單元。 Wherein, the LED control device further includes a rectifier unit and a power supply unit, the rectifier unit is connected to an external power supply and the rectified output is connected to the power supply unit and the LED drive control unit, and the rectifier unit provides power to the LED lamp In use, the power supply unit is connected to the reference power unit, and the power is supplied to the reference power unit after stepping down the voltage through the power supply unit.
其中,該整流單元包括有一電感器與一全波整流器,該電感器連接外部電源與該全波整流器,且該整流單元透過該全波整流器連接該電源供電單元與該LED驅動控制單元。 Wherein, the rectifier unit includes an inductor and a full-wave rectifier, the inductor is connected to an external power supply and the full-wave rectifier, and the rectifier unit connects the power supply unit and the LED drive control unit through the full-wave rectifier.
其中,該電源供電單元包括有一電晶體、一第七電阻、一第八電阻、一濾波電容及一保護二極體,該電晶體之集極連接該第七電阻,並以該第七電阻連接該整流單元,又該電晶體之基極連接該保護二極體並形成接地,且該電晶體之射極連接該濾波電容並形成接地,而該電晶體之射極同時連接該第八電阻,並由該第八電阻連接該參考電源單元之第一端點。 Wherein, the power supply unit includes a transistor, a seventh resistor, an eighth resistor, a filter capacitor and a protection diode, the collector of the transistor is connected to the seventh resistor, and is connected by the seventh resistor The rectifier unit, the base of the transistor is connected to the protective diode and forms a ground, and the emitter of the transistor is connected to the filter capacitor and forms a ground, and the emitter of the transistor is connected to the eighth resistor at the same time, The eighth resistor is connected to the first terminal of the reference power supply unit.
本發明的主要目的在於,藉由該轉阻放大單元將該電流訊號轉換成該電壓訊號,並配合該樞密特電路將電壓訊號轉換成該方波訊號,進而讓該感測開關能以單一該導線連接複數個該LED控制裝置,就能達到同時控制多個該LED燈之功能,由於該LED控制裝置是組裝為一整體的電子元件,該感測開關將獨立的設置於欲進行感測的位置上,因此該感測開關與該LED控制裝置之間只需配線該導線,而該單一該導線能讓多個並聯的該LED控制裝置更容易進行配線,亦能大幅的減少電線的使用量,俾以具有該感測開關與該LED控制裝置之間容易配線與降低建置成本之實用功能。 The main purpose of the present invention is to convert the current signal into the voltage signal by the transimpedance amplifying unit, and cooperate with the Schmitt circuit to convert the voltage signal into the square wave signal, so that the sensing switch can be single The lead is connected to a plurality of the LED control devices, which can achieve the function of controlling a plurality of the LED lights at the same time. Since the LED control device is assembled as an integral electronic component, the sensing switch will be independently set to be sensed Position, so only the wire needs to be wired between the sensing switch and the LED control device, and the single wire can make it easier for multiple LED control devices connected in parallel to be wired, and can also greatly reduce the use of wires In order to have the practical function of easy wiring and reducing the construction cost between the sensing switch and the LED control device.
其他目的、優點和本發明的新穎特性將從以下詳細的描述與相關的附圖更加顯明。 Other objects, advantages and novel features of the present invention will become more apparent from the following detailed description and related drawings.
100‧‧‧感測開關 100‧‧‧sensor switch
200‧‧‧LED控制裝置 200‧‧‧LED control device
201‧‧‧電流整流單元 201‧‧‧Current Rectifier Unit
202‧‧‧限流單元 202‧‧‧Current limiting unit
203‧‧‧轉阻放大單元 203‧‧‧Transimpedance amplifier unit
204‧‧‧分壓電路單元 204‧‧‧Voltage dividing circuit unit
205‧‧‧樞密特電路單元 205‧‧‧Primit circuit unit
206‧‧‧微控制器 206‧‧‧Microcontroller
207‧‧‧功能設定單元 207‧‧‧Function setting unit
208‧‧‧LED驅動控制單元 208‧‧‧LED drive control unit
209‧‧‧參考電源單元 209‧‧‧Reference power unit
210‧‧‧LED燈 210‧‧‧LED light
211‧‧‧整流單元 211‧‧‧Rectifier unit
212‧‧‧電源供電單元 212‧‧‧Power supply unit
A1‧‧‧電流訊號 A1‧‧‧Current signal
C1‧‧‧濾波器 C1‧‧‧filter
C2‧‧‧電容器 C2‧‧‧Capacitor
C3‧‧‧濾波電容 C3‧‧‧filter capacitor
D1‧‧‧二極體 D1‧‧‧Diode
D2‧‧‧保護器 D2‧‧‧Protector
D3‧‧‧全波整流器 D3‧‧‧Full Wave Rectifier
D4‧‧‧保護二極體 D4‧‧‧Protection diode
F1‧‧‧方波訊號 F1‧‧‧square wave signal
S1‧‧‧第一端點 S1‧‧‧First endpoint
S2‧‧‧第二端點 S2‧‧‧second endpoint
S3‧‧‧第三端點 S3‧‧‧The third endpoint
L1‧‧‧導線 L1‧‧‧wire
L2‧‧‧電感器 L2‧‧‧Inductor
OC1‧‧‧光輸出耦合器 OC1‧‧‧Optical output coupler
OC2‧‧‧光接收耦合器 OC2‧‧‧ optical receiver coupler
Q1‧‧‧電壓放大器 Q1‧‧‧Voltage amplifier
Q2‧‧‧電晶體 Q2‧‧‧transistor
R1‧‧‧第一電阻 R1‧‧‧ First resistance
R2‧‧‧第二電阻 R2‧‧‧Second resistance
R3‧‧‧第三電阻 R3‧‧‧ Third resistance
R4‧‧‧第四電阻 R4‧‧‧ Fourth resistance
R5‧‧‧第五電阻 R5‧‧‧ fifth resistance
R6‧‧‧第六電阻 R6‧‧‧Sixth resistance
R7‧‧‧第七電阻 R7‧‧‧The seventh resistor
R8‧‧‧第八電阻 R8‧‧‧Eighth resistor
V1‧‧‧電壓訊號 V1‧‧‧Voltage signal
301‧‧‧感測開關 301‧‧‧sensor switch
302‧‧‧LED驅動器 302‧‧‧LED driver
303‧‧‧LED燈 303‧‧‧LED light
(304)(305)‧‧‧導線 (304)(305)‧‧‧Wire
第1圖係本發明之方塊示意圖。 Figure 1 is a block diagram of the present invention.
第2圖係本發明之電路圖。 Figure 2 is a circuit diagram of the present invention.
第3圖係習知之方塊示意圖。 Figure 3 is a block diagram of conventional knowledge.
為使 貴審查委員對本發明之目的、特徵及功效能夠有更進一步之瞭解與認識,以下茲請配合【圖式簡單說明】詳述如後:先請由第1圖與第2圖所示觀之,一種LED燈明亮控制結構,其包括有:一感測開關100及至少一LED控制裝置200,一感測開關100用於感測環境變化產生有一電流訊號A1,且該電流訊號A1透過一導線 L1形成輸出,至少一LED控制裝置200,該LED控制裝置200包括有一電流整流單元201、一限流單元202、一轉阻放大單元203、一分壓電路單元204及一樞密特電路單元205,該電流整流單元201以一二極體D1的陽極連接該感測開關100之導線L1,並以該二極體D1對該電流訊號A1進行整流,該限流單元202包括有互相串聯的一第一電阻R1與一第二電阻R2,該第一電阻R1的輸入端連接該二極體D1的陰極,並由該限流單元202形成該電流訊號A1的限流,進而控制進入該轉阻放大單元203為小電流,該轉阻放大單元203包括有一光輸出耦合器OC1、一光接收耦合器OC2、一電壓放大器Q1、一第三電阻R3、一濾波器C1、一保護器D2、一第四電阻R4及一電容器C2,該光輸出耦合器OC1的一端與該第二電阻R2之輸出端連接,且該光輸出耦合器OC1是透過該第三電阻R3與該第二電阻R2連接,藉此有效的形成電流的限流,且該光輸出耦合器OC1的另一端接地,讓該電流訊號A1通過該光輸出耦合器OC1產生光訊號,又該濾波器C1與該保護器D2以互呈並聯的一端連接於該第三電阻R3與該第二電阻R2之間,以及互呈並聯的另一端連接於該光輸出耦合器OC1接地的一端,透過該濾波器C1進行該電源訊號A1的濾波,並能以該保護器D2形成過高電流的保護功能,又該光接收耦合器OC2之射極連接該電壓放大器Q1之同相端,且該光接收耦合器OC2之集極連接該電壓放大器Q1之反相端,並由該光接收耦合器OC2之基極接收光訊號而產生有對應該電流訊號A1的一電壓訊號V1,而該電壓放大器Q1的輸出端與該分壓電路單元204連接,該第四電阻R4與該電容器C2以互呈並聯的一端連接於該光接收耦合器OC2與該電壓放大器Q1反相端之間,以及互呈並聯的另一端連接於該光接收耦合器OC2輸 出端與該分壓電路單元204輸入端之間,該分壓電路單元204包括有一第五電阻R5與一第六電阻R6,該第五電阻R5與該第六電阻R6互相串聯,且該第五電阻R5的輸入端連接該光接收耦合器OC2的輸出端,而該第五電阻R5與該第六電阻R6之間連接該樞密特電路單元205之同相端,讓該電壓訊號V1經過該電壓放大器Q1的訊號的訊號放大後再流經該分壓電路單元204進行分壓,進而截掉該電壓訊號V1之幅度過大部份,該樞密特電路單元205之同相端連接該分壓電路單元204,且該樞密特電路單元205接收該電壓訊號V1產生有具開燈與關燈(ON/OFF)的方波訊號F1,並由該樞密特電路單元205的輸出端輸出該方波訊號F1來達成控制目的,藉由該轉阻放大單元203將該電流訊號A1轉換成該電壓訊號V1,並配合該樞密特電路205將電壓訊號V1轉換成該方波訊號F1,進而讓該感測開關100能以單一該導線L1連接至少一個該LED控制裝置200,俾以具有該感測開關100與該LED控制裝置200之間容易配線之實用功能。 In order to enable your reviewing committee to have a better understanding and understanding of the purpose, features and effects of the present invention, the following is please cooperate with the [schematic description] detailed description as follows: first please look at the views shown in Figure 1 and Figure 2 An LED lamp brightness control structure includes: a
再請由第1、2圖所示觀之,該LED控制裝置200更包括有一微控制器206、一功能設定單元207、一LED驅動控制單元208及一參考電源單元209,該微控制器206連接該光接收耦合器OC2輸出端,且該功能設定單元207連接於該第六電阻R6輸出端與該微控制器206之間,而該第六電阻R6、該微控制器206與該功能設定單元207形成有共同接地,又該功能設定單元207能進行手動設定,其設定項目包括有亮燈時間、亮燈持續時間或亮燈照度調控等功能,藉此控制該微控制器206於接收該方波訊號F1後進行所設定的亮燈模式,該LED驅動控制單元208一端連接該微控制器206的輸出端,且該LED驅動控制單元208另一端連接有一LED燈 210,透過該LED驅動控制單元208驅動該LED燈210進行點亮與調整亮度控制,且該LED驅動控制單元208之調整亮度控制能形成無段式的漸亮或漸暗的亮燈變化,該參考電源單元209為一種低壓差線性穩壓器(Low Dropout Regulator,LDO),該參考電源單元209形成有一第一端點S1、一第二端點S2及一第三端點S3,該第一端點S1用於輸入直流電壓,且該第二端點S2用於接地,又該參考電源單元209之第三端點S3連接該電壓放大器Q1、該樞密特電路單元205及該微控制器206,且該電壓放大器Q1與該樞密特電路單元205皆形成有一端接地,並由該第三端點S3輸出提供低電壓的控制直流電源。 From the perspective of Figures 1 and 2, the
再請由第1、2圖所示觀之,該LED控制裝置200更包括有一整流單元211與一電源供電單元212,該整流單元211連接外部電源並整流輸出連接至該電源供電單元212與該LED驅動控制單元208,藉由該整流單元211提供電力給該LED燈210使用,又該電源供電單元212連接該參考電源單元209,透過該電源供電單元212進行降壓後供電給該參考電源單元209,該整流單元211包括有一電感器L2與一全波整流器D3,該電感器L2連接外部電源與該全波整流器D3,且該整流單元211透過該全波整流器D3連接該電源供電單元212與該LED驅動控制單元208,藉此形成電源供應,該電源供電單元212包括有一電晶體Q2、一第七電阻R7、一第八電阻R8、一濾波電容C3及一保護二極體D4,該電晶體Q2之集極連接該第七電阻R7,並以該第七電阻R7連接該整流單元211,又該電晶體Q2之基極連接該保護二極體D4並形成接地,且該電晶體Q2之射極連接該濾波電容C3並形成接地,而該電晶體Q2之射極同時連接該第八電阻R8,並由該 第八電阻R8連接該參考電源單元209之第一端點S1。 From the perspective of Figures 1 and 2, the
其實際使用之功效,再請由第1、2圖所示觀之,該整流單元211以該電感器L2輸入外部電源(交流電),並透過該電感器L2進行變壓後輸入該全波整流器D3,再將整流後的相對高壓電力供應給該電源供電單元212與該LED驅動控制單元208,而相對高壓電力流過該電源供電單元212之第七電阻R7、該電晶體Q2及該第八電阻R8後將降壓形成相對低壓電力,並讓該相對低壓電力輸入該參考電源單元209之第一端點S1,而該參考電源單元209再經過一次的降壓後,由該第三端點S3分別提供該電壓放大器Q1、該樞密特電路單元205及該微控制器206之控制用電,又流至該LED驅動控制單元208的相對高壓電力能用於點亮該LED燈210,再進一步說明該LED燈210的點亮與明暗控制作動,該感測開關100連接有外部電源,並於感測範圍內偵測有動態變化時,該感測開關100將以ON/OFF方式產生有一電流訊號A1,且該電流訊號A1能同時透過單一該導線L1流入至少一該LED控制裝置200之電流整流單元201,先透過該電流整流單元201之二極體D1進行整流後,再以該限流單元202之第一電阻R1與第二電阻R2進行限流而降低該電流訊號A1之電流值,又該電流訊號A1輸入該轉阻放大單元203後,先以該第三電阻R3再次形成限流,使該電流訊號A1能夠驅動該光輸出耦合器OC1產生光訊號,而該光訊號能依該電流訊號A1之電流上升而增加,同時該光接收耦合器OC2接收光訊號產生對應的電壓訊號V1,且該電壓訊號V1亦能隨著該光訊號的上升而增加,又該電壓訊號V1輸入該電壓放大器Q1之反相端,就能利用該電壓放大器Q1之輸出端形成該電壓訊號V1的放大,並輸入該分壓電路單元204後透過該第五 電阻R5與該第六電阻R6的分壓,藉此過濾明顯超過該密特電路單元205能判讀的過大幅度電壓值,分壓後的電壓訊號V1由該第五電阻R5與該第六電阻R6之間輸入該樞密特電路單元205之同相端,透過該樞密特電路單元205判讀該電壓訊號V1產生有相對應的方波訊號F1,而該樞密特電路單元205亦能更進一步過濾雜訊,就能讓該方波訊號F1輸入該微控制器206內,並配合該功能設定單元207的使用者自定義設定,由該微控制器206控制該LED驅動控制單元208,使該LED燈210具有依環境動態自動亮燈與明暗調整之功能,藉上述具體實施例之結構,可得到下述之效益:藉由該轉阻放大單元203將該電流訊號A1轉換成該電壓訊號V1,並配合該樞密特電路205將電壓訊號V1轉換成該方波訊號F1,進而讓該感測開關100能以單一該導線L1連接複數個該LED控制裝置200,就能達到同時控制多個該LED燈210之功能,由於該LED控制裝置200是組裝為一整體的電子元件,該感測開關100將獨立的設置於欲進行感測的位置上,因此該感測開關100與該LED控制裝置200之間只需配線該導線L1,而該單一該導線L1能讓多個並聯的該LED控制裝置200更容易進行配線,亦能大幅的減少電線的使用量,俾以具有該感測開關100與該LED控制裝置200之間容易配線與降低建置成本之實用功能。 For the actual use of the function, please see from Figure 1 and 2, the rectifier unit 211 uses the inductor L2 to input an external power supply (AC), and transforms the voltage through the inductor L2 to the full-wave rectifier D3, and then supply the rectified relatively high-voltage power to the power supply unit 212 and the LED drive control unit 208, and the relatively high-voltage power flows through the seventh resistor R7 of the power supply unit 212, the transistor Q2 and the eighth The resistor R8 will step down the voltage to form relatively low-voltage power, and let the relatively low-voltage power input to the first terminal S1 of the reference power unit 209, and after the reference power unit 209 undergoes another step-down, the third terminal S3 provides control power for the voltage amplifier Q1, the Schmitt circuit unit 205, and the microcontroller 206, and the relatively high-voltage power flowing to the LED drive control unit 208 can be used to light the LED lamp 210, and then To further illustrate the lighting and dimming control operation of the LED lamp 210, the sensing switch 100 is connected to an external power source, and when a dynamic change is detected within the sensing range, the sensing switch 100 will generate an Current signal A1, and the current signal A1 can flow into at least one current rectifying unit 201 of the LED control device 200 through the single wire L1 at the same time, first rectified through the diode D1 of the current rectifying unit 201, and then the limit The first resistor R1 and the second resistor R2 of the current unit 202 perform current limiting to reduce the current value of the current signal A1, and after the current signal A1 is input to the transimpedance amplifier unit 203, the third resistor R3 is used to form the limit again. Current, so that the current signal A1 can drive the optical output coupler OC1 to generate an optical signal, and the optical signal can increase according to the current rise of the current signal A1, and at the same time, the optical receiving coupler OC2 receives the optical signal and generates a corresponding voltage signal V1, and the voltage signal V1 can also increase as the optical signal rises, and the voltage signal V1 is input to the inverting terminal of the voltage amplifier Q1, the output terminal of the voltage amplifier Q1 can be used to form the voltage signal V1 Amplify and input the voltage
綜上所述,本發明確實已達突破性之結構設計,而具有改良之發明內容,同時又能夠達到產業上之利用性與進步性,且本發明未見於任何刊物,亦具新穎性,當符合專利法相關法條之規定,爰依法提出發明專利申請,懇請 鈞局審查委員授予合法專利權,至為感禱。 In summary, the present invention has indeed reached a breakthrough structural design, and has improved the content of the invention, and at the same time can achieve industrial utility and progress, and the present invention has not been found in any publication, but also novel, when In line with the relevant laws and regulations of the Patent Law, I filed an application for an invention patent in accordance with the law, and urge the examination committee of the Jun Bureau to grant legal patent rights.
唯以上所述者,僅為本發明之一較佳實施例而已,當不能以 之限定本發明實施之範圍;即大凡依本發明申請專利範圍所作之均等變化與修飾,皆應仍屬本發明專利涵蓋之範圍內。 The above is only one of the preferred embodiments of the present invention, and it should not be used to limit the scope of implementation of the present invention; that is, all equal changes and modifications made in accordance with the scope of the patent application of the present invention should still belong to the present invention Within the scope of the patent.
100‧‧‧感測開關 100‧‧‧sensor switch
200‧‧‧LED控制裝置 200‧‧‧LED control device
201‧‧‧電流整流單元 201‧‧‧Current Rectifier Unit
202‧‧‧限流單元 202‧‧‧Current limiting unit
203‧‧‧轉阻放大單元 203‧‧‧Transimpedance amplifier unit
204‧‧‧分壓電路單元 204‧‧‧Voltage dividing circuit unit
205‧‧‧樞密特電路單元 205‧‧‧Primit circuit unit
206‧‧‧微控制器 206‧‧‧Microcontroller
207‧‧‧功能設定單元 207‧‧‧Function setting unit
208‧‧‧LED驅動控制單元 208‧‧‧LED drive control unit
209‧‧‧參考電源單元 209‧‧‧Reference power unit
210‧‧‧LED燈 210‧‧‧LED light
211‧‧‧整流單元 211‧‧‧Rectifier unit
212‧‧‧電源供電單元 212‧‧‧Power supply unit
L1‧‧‧導線 L1‧‧‧wire
Claims (10)
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TW107131350A TWI669984B (en) | 2018-09-06 | 2018-09-06 | LED lamp bright control structure |
EP19194055.0A EP3621413B1 (en) | 2018-09-06 | 2019-08-28 | Apparatus for controlling brightness of led lamp |
DK19194055.0T DK3621413T3 (en) | 2018-09-06 | 2019-08-28 | DEVICE FOR CONTROLLING THE BRIGHTNESS OF LED LAMPS |
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EP3621413A1 (en) | 2020-03-11 |
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