TWM446474U - LED Lamp - Google Patents
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- TWM446474U TWM446474U TW101217733U TW101217733U TWM446474U TW M446474 U TWM446474 U TW M446474U TW 101217733 U TW101217733 U TW 101217733U TW 101217733 U TW101217733 U TW 101217733U TW M446474 U TWM446474 U TW M446474U
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Description
本創作涉及LED照明技術,尤其涉及一種LED燈。This creation relates to LED lighting technology, and more particularly to an LED lamp.
現有的LED燈是由LED燈珠模塊、電源模組和燈罩等部件組成,其中的電源模組是由變壓器、電解電容、電阻等元器件組成,這存在一定的缺陷:一方面,現有技術的電源模組由變壓器、電解電容、電阻等元器件組成,其中的變壓器主要是由電磁圈構成,會產生磁場和電輻射,所以容易發熱,壽命短,也不能用於易受磁場干擾的醫療電器中;並且其中的電解電容含有電解液,漏電流大、誤差大、穩定性差、壽命隨溫度的升高而下降很快;因此,整個電源模組損耗高,電轉化率低,壽命短,維護成本高,功率因素低。The existing LED lamp is composed of an LED lamp bead module, a power module and a lamp cover. The power module is composed of a transformer, an electrolytic capacitor, a resistor and the like, which has certain defects: on the one hand, the prior art The power module is composed of transformers, electrolytic capacitors, resistors and other components. The transformer is mainly composed of an electromagnetic coil, which generates magnetic field and electric radiation, so it is easy to generate heat, has a short life, and cannot be used for medical appliances susceptible to magnetic field interference. The electrolytic capacitor contains electrolyte, which has large leakage current, large error, poor stability, and rapid decline in life with temperature; therefore, the entire power module has high loss, low electrical conversion rate, short life, and maintenance. High cost and low power factor.
另一方面,現有技術的電源模組由變壓器、電解電容、電阻等元器件組成,體積較大,會導致存放電源模組的鋁蓋體積變大。在現有技術中,LED燈管的鋁蓋橫截面積佔燈管橫截面積的一半或以上,其發光角度小於或等於180度,所以發光角度較小。On the other hand, the prior art power module is composed of a transformer, an electrolytic capacitor, a resistor, and the like, and has a large volume, which causes the aluminum cover of the power module to be bulky. In the prior art, the aluminum lamp cross-sectional area of the LED tube accounts for half or more of the cross-sectional area of the lamp tube, and the illumination angle thereof is less than or equal to 180 degrees, so the illumination angle is small.
有鑑於此,本創作之目的在於提供一種LED燈,可以降低電源模組損耗,降低維護成本,提高電轉化率及提高功率因素。In view of this, the purpose of the creation is to provide an LED lamp, which can reduce power module loss, reduce maintenance cost, increase electrical conversion rate and improve power factor.
為解決以上技術問題,本創作提供的技術方案是:一種LED燈,包括LED燈珠組、電源模組及燈罩,所述電源模組包括含整 流橋IC的整流倍壓濾波電路模塊及功率驅動微處理器,其中:所述整流倍壓濾波電路模塊連接市電,用以將輸入的交流電整流為直流電,並相應進行倍壓及濾波;所述整流橋IC的兩輸出端分別接入所述功率驅動微處理器的電源正端和負端,用以按照預定程序向外部元件輸出恆流源。In order to solve the above technical problems, the technical solution provided by the present invention is: an LED lamp comprising an LED lamp bead set, a power module and a lamp cover, wherein the power module includes The rectifier bridge voltage filter circuit module and the power drive microprocessor of the flow bridge IC, wherein: the rectifier voltage doubler filter circuit module is connected to the commercial power, is used for rectifying the input alternating current into direct current, and correspondingly double voltage and filtering; The two output ends of the rectifier bridge IC are respectively connected to the power positive and negative terminals of the power driving microprocessor for outputting a constant current source to the external component according to a predetermined procedure.
於較佳實施例中,該功率驅動微處理器連接有微處理器調控模塊,用以對所述功率驅動微處理器進行功率調控和過電壓保護。In a preferred embodiment, the power-driven microprocessor is coupled to a microprocessor control module for power regulation and over-voltage protection of the power-driven microprocessor.
於較佳實施例中,該微處理器調控模塊包括電晶體,其中:所述電晶體的基極分別通過分壓電阻接入所述整流橋IC的兩輸出端;所述電晶體的集極與所述功率驅動微處理器的過電壓保護引腳相連;所述電晶體的射極通過基準電阻和所述功率驅動微處理器的基準電壓輸出引腳相連。In a preferred embodiment, the microprocessor control module includes a transistor, wherein: a base of the transistor is respectively connected to two output ends of the rectifier bridge IC through a voltage dividing resistor; a collector of the transistor Connected to an overvoltage protection pin of the power driven microprocessor; the emitter of the transistor is coupled to a reference voltage output pin of the power driven microprocessor via a reference resistor.
於較佳實施例中,該電晶體的集極和射極之間接有濾波電容。In a preferred embodiment, a filter capacitor is coupled between the collector and the emitter of the transistor.
於較佳實施例中,該功率驅動微處理器內部設置有過熱保護模塊。In a preferred embodiment, the power drive microprocessor is internally provided with an overheat protection module.
於較佳實施例中,該整流倍壓濾波電路模塊包括倍壓濾波電容,所述倍壓濾波電容接於所述整流橋IC的兩輸出端。In a preferred embodiment, the rectification voltage filter circuit module includes a voltage doubler filter capacitor, and the voltage doubler filter capacitor is connected to the two output ends of the rectifier bridge IC.
於較佳實施例中,該整流橋IC的兩輸出端之間設置有防突波電路,以減少對所述功率驅動微處理器的突波電流損害。In a preferred embodiment, an anti-surge circuit is disposed between the two output ends of the rectifier bridge IC to reduce spur current damage to the power-driven microprocessor.
於較佳實施例中,該防突波電路為二極體,所述二極體的陽極接於所述整流橋IC的輸出負端,所述二極體的陰極接於所述整流橋IC的輸出正端。In a preferred embodiment, the anti-surge circuit is a diode, an anode of the diode is connected to an output negative end of the rectifier bridge IC, and a cathode of the diode is connected to the rectifier bridge IC. The positive end of the output.
於較佳實施例中,該LED燈珠組分區域分組,每組LED燈珠分別接入所述功率驅動微處理器的一個對應功率輸出端。In a preferred embodiment, the LED bead component regions are grouped, and each set of LED bead is respectively coupled to a corresponding power output of the power driven microprocessor.
於較佳實施例中,該LED燈的燈管鋁蓋之橫截面積佔燈管橫截面積的三分之一,該燈罩的橫截面積佔燈管橫截面積的三分之二。In a preferred embodiment, the cross-sectional area of the aluminum cover of the LED lamp of the LED lamp accounts for one-third of the cross-sectional area of the lamp, and the cross-sectional area of the lamp cover accounts for two-thirds of the cross-sectional area of the lamp.
與現有技術相比,本創作LED燈的電源模組中的整流橋單元及功率驅動單元的主要部件都是半導體材料,沒有變壓器、電解電容等元件,從而可以實現損耗低、維護成本低、電轉化率高、功率因素高(可達到0.97)等優點。進一步地,由於沒有變壓器等體積比較大的元件,燈管鋁蓋的體積比較小,有助於加大燈罩的面積,可使燈管的發光角度達到270度。Compared with the prior art, the main components of the rectifier bridge unit and the power driving unit in the power module of the LED lamp are semiconductor materials, and there are no components such as a transformer and an electrolytic capacitor, so that low loss, low maintenance cost, and electric power can be realized. High conversion rate and high power factor (up to 0.97). Further, since there is no relatively large-sized component such as a transformer, the volume of the aluminum cover of the lamp tube is relatively small, which helps to increase the area of the lamp cover, and the illumination angle of the lamp tube can reach 270 degrees.
為了使本領域的技術人員更好地理解本創作的技術方案,下面結合圖式和具體實施例對本創作進一步的詳細說明。In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below with reference to the drawings and specific embodiments.
請參閱第1圖,係表示本創作LED燈中之LED燈珠組的連接方式。該LED燈珠組安裝在鋁材基板,其中的LED燈珠採用串並聯方式連接,它們分區域分組為I1~I6,每組分別接入電源模組中之功率驅動微處理器的對應功率輸出端。Please refer to Figure 1 for the connection of the LED bead set in the LED lamp of this creation. The LED lamp bead set is mounted on an aluminum substrate, wherein the LED lamp bead is connected in series and parallel mode, and the sub-areas are grouped into I1~I6, and each group is respectively connected to a corresponding power output of the power-driven microprocessor in the power module. end.
請參閱第2圖,係表示本創作LED燈中之電源模組。該電源模組包括含整流橋IC(B1)的整流倍壓濾波電路模塊及功率驅動微處理器(MCU)U1,其中:整流倍壓濾波電路模塊的輸入端AC通過電阻R1、R2連接220V市電V1,用以將輸入的交流電整流為 直流電,並相應進行倍壓及濾波;整流橋IC(B1)的兩輸出端V+、V-分別接入功率驅動微處理器U1的電源端VAC和接地端GND(並與狀態case並接),用以按照預定程序向外部元件(本創作LED燈珠組)輸出恆流源。以下面對於電源模組的具體電路結構進一步進行描述。Please refer to Figure 2, which shows the power module in the LED light. The power module comprises a rectification voltage doubler filter circuit module including a rectifier bridge IC (B1) and a power drive microprocessor (MCU) U1, wherein: the input terminal AC of the rectification voltage doubler filter circuit module is connected to the 220V mains through the resistors R1 and R2. V1, used to rectify the input AC power into DC power, and corresponding voltage doubler and filtering; the two output terminals V+ and V- of the rectifier bridge IC (B1) are respectively connected to the power terminal VAC of the power driving microprocessor U1 and the ground terminal GND (and connected with the state case), It is used to output a constant current source to an external component (the present LED lamp bead set) according to a predetermined procedure. The specific circuit structure of the power module will be further described below.
如第2圖所示,功率驅動微處理器U1連接有微處理器調控模塊,用以對功率驅動微處理器U1進行功率調控和過電壓保護。該微處理器調控模塊的電路結構中包括電晶體Q1,其基極分別通過分壓電阻R3、R4、R5接入整流橋IC(B1)的兩輸出端,集極與功率驅動微處理器U1的過電壓保護引腳SHDN相連,射極通過基準電阻R7和功率驅動微處理器U1的基準電壓輸出引腳REXT相連。此外,電晶體Q1的基極還通過電阻R8外接I6,且集極和射極之間接有濾波電容C3。As shown in FIG. 2, the power driving microprocessor U1 is connected with a microprocessor control module for power regulation and overvoltage protection of the power driving microprocessor U1. The circuit structure of the microprocessor control module includes a transistor Q1, and the base thereof is connected to the two output ends of the rectifier bridge IC (B1) through the voltage dividing resistors R3, R4, and R5, respectively, and the collector and the power driving microprocessor U1 The overvoltage protection pin SHDN is connected, and the emitter is connected to the reference voltage output pin REXT of the power driving microprocessor U1 through the reference resistor R7. In addition, the base of the transistor Q1 is also externally connected to the I6 through the resistor R8, and a filter capacitor C3 is connected between the collector and the emitter.
本實施例中,功率驅動微處理器U1內部設置有過熱保護模塊;而整流倍壓濾波電路模塊包括倍壓濾波電容C1、C2,它們接於整流橋IC(B1)的兩輸出端;此外,整流橋IC(B1)的兩輸出端之間設置有防突波電路,該防突波電路為二極體Z1,它的陽極接於整流橋IC(B1)的輸出負端V-,而其陰極接於整流橋IC(B1)的輸出正端V+,以減少對功率驅動微處理器U1的突波電流損害。In this embodiment, the power driving microprocessor U1 is internally provided with an overheat protection module; and the rectification voltage doubler filter circuit module includes double voltage filter capacitors C1 and C2, which are connected to the two output ends of the rectifier bridge IC (B1); An anti-surge circuit is disposed between the two output ends of the rectifier bridge IC (B1), the anti-surge circuit is a diode Z1, and an anode thereof is connected to the output negative terminal V- of the rectifier bridge IC (B1), and The cathode is connected to the output positive terminal V+ of the rectifier bridge IC (B1) to reduce the surge current damage to the power driven microprocessor U1.
如第2圖所示,該電源模組的工作原理如下:As shown in Figure 2, the power module works as follows:
(1)外部市電V1的電源通過整流橋IC(B1),將交流電AC轉為直流電DC,之後通過倍壓濾波電容C1、C2轉為倍壓,且兩倍壓濾 波電容C1、C2具有濾波的作用。接著在電源兩端V+、V-連接一個單向二極體Z1,以減少突波電流損害,提升可靠性。(1) The power supply of the external mains V1 is converted to DC DC by the rectifier bridge IC (B1), and then converted to double voltage by the double-voltage filter capacitors C1 and C2, and double-pressure filter The wave capacitors C1, C2 have a filtering effect. Then, a unidirectional diode Z1 is connected to V+ and V- at both ends of the power supply to reduce the surge current damage and improve reliability.
(2)接著電流會通過微處理器調控模塊,該微處理器調控模塊由電阻和電晶體Q1組成,電晶體Q1的集極與功率驅動微處理器U1的SHDN引腳相連,達到過電壓的保護功能。該功率驅動微處理器U1有過熱保護功能,當溫度達到設定值時就會停止電流通過,當溫度恢復正常值時又會恢復工作。(2) Then the current will pass through the microprocessor control module. The microprocessor control module is composed of a resistor and a transistor Q1. The collector of the transistor Q1 is connected to the SHDN pin of the power driving microprocessor U1 to reach an overvoltage. Protective function. The power driving microprocessor U1 has an overheat protection function, and when the temperature reaches the set value, the current is stopped, and when the temperature returns to the normal value, the operation resumes.
(3)電晶體Q1的射極與基準電阻R7和功率驅動微處理器U1的REXT引腳相連,REXT引腳具有調整功率驅動微處理器U1之驅動功率的作用。另外,電晶體Q1的集極和射極間接有濾波電容C3達到濾波作用。此外,電晶體Q1的射極與功率驅動微處理器U1的GND引腳相連,該GND代表直流電源負極或接地端。(3) The emitter of the transistor Q1 is connected to the reference resistor R7 and the REXT pin of the power driving microprocessor U1. The REXT pin has the function of adjusting the driving power of the microprocessor U1. In addition, the collector and emitter of the transistor Q1 indirectly have a filter capacitor C3 for filtering. In addition, the emitter of the transistor Q1 is connected to the GND pin of the power driving microprocessor U1, which represents the negative or ground terminal of the DC power supply.
(4)直流電源正極與功率驅動微處理器U1的VAC引腳相連,經過功率驅動微處理器U1的智能控溫和調整驅動功率後,最終輸出恆流源。功率驅動微處理器U1中的D1到D6的六個引腳是恆流源的輸出引腳,分別控制第一圖中的I1到I6的六個區域的LED燈珠,進而使LED燈珠發亮。其中,功率驅動微處理器U1決定了所控制的功率的大小。(4) The positive pole of the DC power supply is connected to the VAC pin of the power driving microprocessor U1. After the intelligent temperature control of the microprocessor U1 is driven and the driving power is adjusted, the constant current source is finally output. The six pins of D1 to D6 in the power driving microprocessor U1 are the output pins of the constant current source, respectively controlling the LED beads of the six regions of I1 to I6 in the first figure, thereby causing the LED lamp beads to be emitted. bright. Among them, the power drive microprocessor U1 determines the magnitude of the power that is controlled.
本創作改進了傳統的電源模組,其中的主要元件全部為半導體,沒有變壓器和電解電容。由於本創作整個技術方案中沒有變壓器和電解電容,所有元件都是半導體元件,而半導體元件壽命長、不易損壞,因此可以實現損耗低、維護成本低、電轉化率高、 功率因素高(可達到0.97)的優點。This creation improves the traditional power module, the main components of which are all semiconductors, without transformers and electrolytic capacitors. Since there is no transformer and electrolytic capacitor in the whole technical solution of the present invention, all components are semiconductor components, and the semiconductor components have long life and are not easily damaged, so that low loss, low maintenance cost, and high electrical conversion rate can be achieved. The power factor is high (up to 0.97).
另外,本創作電源模組沒有使用現有技術中之變壓器和電解電容,所有元件都是半導體元件,因此,電源模組體積小。由於電源模組體積小,所需存放的空間小,進而使存放電源模組的燈管鋁蓋體積變小,其燈管鋁蓋之橫截面積佔燈管橫截面積的三分之一,致使燈管的PC燈罩的橫截面積佔燈管橫截面積的三分之二,所以燈管的發光角度為270度。In addition, the power module of the present invention does not use the transformer and the electrolytic capacitor in the prior art, and all components are semiconductor components, and therefore, the power module is small in size. Since the power module is small in size, the required storage space is small, and the volume of the aluminum cover of the lamp for storing the power module is reduced, and the cross-sectional area of the aluminum cover of the lamp tube accounts for one-third of the cross-sectional area of the lamp. The cross-sectional area of the PC lamp cover of the lamp tube accounts for two-thirds of the cross-sectional area of the lamp tube, so the illumination angle of the lamp tube is 270 degrees.
以上僅是本創作的優選實施方式,應當指出的是,上述優選實施方式不應視為對本創作的限制,本創作的保護範圍應當以申請專利範圍為準。對於本技術領域的普通技術人員來說,在不脫離本創作的精神和範圍內,還可以做出若干改進和潤飾、這些改進和潤飾也應視為本創作的保護範圍。The above is only a preferred embodiment of the present invention. It should be noted that the above preferred embodiments should not be construed as limiting the present invention. The scope of protection of the present invention should be based on the scope of the patent application. It will be apparent to those skilled in the art that a number of improvements and modifications can be made without departing from the spirit and scope of the present invention. These improvements and refinements should also be considered as protection of the present invention.
B1‧‧‧整流橋ICB1‧‧‧Rectifier Bridge IC
C1、C2‧‧‧倍壓濾波電容C1, C2‧‧‧ double voltage filter capacitor
C3‧‧‧濾波電容C3‧‧‧Filter Capacitor
Q1‧‧‧電晶體Q1‧‧‧Optoelectronics
R1、R2‧‧‧電阻R1, R2‧‧‧ resistance
R3、R4、R5‧‧‧分壓電阻R3, R4, R5‧‧‧ voltage divider resistor
R7‧‧‧基準電阻R7‧‧‧ reference resistor
R8‧‧‧電阻R8‧‧‧ resistance
U1‧‧‧功率驅動微處理器U1‧‧‧Power Drive Microprocessor
V1‧‧‧市電V1‧‧‧Power
Z1‧‧‧二極體Z1‧‧‧ diode
第1圖係本創作LED燈之LED燈珠組連接圖;第2圖係本創作LED燈中電源模組之電路圖。The first figure is the connection diagram of the LED lamp bead group of the LED lamp of the present creation; the second figure is the circuit diagram of the power module of the LED lamp of the present creation.
B1‧‧‧整流橋ICB1‧‧‧Rectifier Bridge IC
C1、C2‧‧‧倍壓濾波電容C1, C2‧‧‧ double voltage filter capacitor
C3‧‧‧濾波電容C3‧‧‧Filter Capacitor
Q1‧‧‧電晶體Q1‧‧‧Optoelectronics
R1、R2‧‧‧電阻R1, R2‧‧‧ resistance
R3、R4、R5‧‧‧分壓電阻R3, R4, R5‧‧‧ voltage divider resistor
R7‧‧‧基準電阻R7‧‧‧ reference resistor
R8‧‧‧電阻R8‧‧‧ resistance
U1‧‧‧功率驅動微處理器U1‧‧‧Power Drive Microprocessor
V1‧‧‧市電V1‧‧‧Power
Z1‧‧‧二極體Z1‧‧‧ diode
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CN2011205499408U CN202435643U (en) | 2011-12-23 | 2011-12-23 | Light emitting diode (LED) lamp |
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TWM446474U true TWM446474U (en) | 2013-02-01 |
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Application Number | Title | Priority Date | Filing Date |
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TW101217733U TWM446474U (en) | 2011-12-23 | 2012-09-14 | LED Lamp |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN202435643U (en) |
TW (1) | TWM446474U (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102573225A (en) * | 2011-12-23 | 2012-07-11 | 东莞市亿凌电子有限公司 | LED lamp and power supply module thereof |
CN106322174A (en) * | 2015-06-24 | 2017-01-11 | 宏力照明集团有限公司 | High-performance LED photoelectric engine module |
CN106409239B (en) * | 2016-09-09 | 2019-11-26 | 广州视源电子科技股份有限公司 | LED backlight driving circuit |
-
2011
- 2011-12-23 CN CN2011205499408U patent/CN202435643U/en not_active Expired - Fee Related
-
2012
- 2012-09-14 TW TW101217733U patent/TWM446474U/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN202435643U (en) | 2012-09-12 |
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Legal Events
Date | Code | Title | Description |
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MM4K | Annulment or lapse of a utility model due to non-payment of fees |