，M335764 八、新型說明： 【新型所屬之技術領域】 液晶顯示器冷陰極螢光管驅動技術領域。 【先前技術】 參考第_圖所示’係《知之使用均流變壓器於鮮高壓端調節兩燈管電流之簡單電路 示意圖，第-主變壓器-次繞組_與第二主魏器一次繞組_均為則，第一主變壓 器二次繞組_與第二主變壓器二次繞組⑽)均為N2 E，第一均流變壓器—次繞組(職 第-均流刪-:嫩卿㈣N11㈣—職繼：规峰侧二均流變壓器 -電力源第-罐器：魏_撕—端細,趣—线_繼 第一燈卿)其中-端’另外-端連接參考電位，第—燈管另外—端連接參考電位，第二主 «器二次繞摩4)其中-端透過第二均流變壓器—次繞組_連接第二燈管阐，另外 一端連接參考電位，第二燈管另外—端連接_位，第，_二次繞_)串聯連 接第二均流顏器二次繞組⑽），因此流過第—均流類器二次繞組⑽)與第二均流變壓器 ^繞組⑽)之電流均為1〇4，則依據編電磁感應特性工遍經第—燈管電流^之關係 如下： 【01 N22\mr〇^ (式一） 同理可得1(33與流經第二燈管f流IG2之關係如下： (式二） r (Ν22\ 02\mr^ 由式-與式二可知流經第—燈管與第二燈管之電流將會相同。 二圖所示’係„知之個均流魏器於燈管健端瓣兩燈管電流之簡單電路 第主_器—次繞組(⑻)與第二主變壓器—次繞組⑽)均為N1E，第一主變壓 第:；^變 =3)與第二主觀器二次繞組⑽)均為N2阻，第一均流變壓器一次繞組⑴取 —邊器-次繞聊)均卿㈣_均流變壓器二次繞組(曙第二均流變㈣ 5 M335764 二次繞組(115)均為N22 ®。第-主_器_次繞組(1〇1)與第二主變壓器一次繞組(⑽連接 -電力源第-主變壓器二次繞組⑽)其中一端連接至第一燈管⑼9)其中一端，另外一 端連接參考電n燈管_另外-端透過第—均流變壓器—次敝(112)連接至參考電 位，第二主變麼器二次繞組(104)其中-端連接至第二燈管_其中一端，另外—端連接參考 電位，第二燈管(110)另外-端透過第二均流籠器一次繞組(113)連接至參考電位，第一均流 、變壓器二次繞組_與第二均流變壓器二次繞_5)以串聯方式連接，如此可使流經第一燈 -管(109)與第二燈管(11〇)之電流相同，其動作原理同前述第—圖之說明，此處不再資述。 綜合以上所述，習知之調節燈管電流電路係有以下共同缺點： • 1·需使用與燈管數目相同之均流變壓器，造成成本增加。 2.均流變壓器需佔用大量的印刷電路板(PCB)面積，增加一⑽難度與印刷電路板(pcB)成 本。 【新型内容】 本創作將原本具有-次繞組與二次繞組之麵II，在-次繞組與二次繞組外新增其他單 -或複數次繞組，當姻複數個懸H轉複數燈料，該輕㈣之-魏組連接至一電 力源，二次繞組-端連接至一燈管，另一端連接參考電位，透過其他單一或複數次繞組相互 串聯連接藉由該些變壓器單一或複數次繞組相互串聯連接所形成之迴路，使得流過變壓器 •各繞組之電流辦，因此達到複數燈管間之電流平衡。綜合以上所述，可知本創作具有以下 '優點： 1·利用變壓器新增之其他單一或複數次繞組間的串聯連接，達到複數燈管間之電流平衡，由 於不需額外使用均流變壓器，因此並不會造成成本之增加。 2·由於沒有均流變壓器之緣故，不會佔用額外的印刷電路板(pcB)面積，因此可降低咖说 難度與印刷電路板(PCB)成本。 3·本創作個於各型式之髓H，實施上較為簡單有效。 上述各點’顯摘作確魏翻翻之目的及功效，且冑請前未見諸練何働或公開使 用，符合新型專利之申請。 6 M335764 【實施方式】 本創作之第一實施例如第三圖所示，將原有主變壓器上除了一次繞組與二次繞組外增加 二次繞組，第一主變壓器一次繞組(1〇1)為N1匝、二次繞組(103)為N2匝與三次繞組(1〇习為 匝。第二主變壓器一次繞組(102)、二次繞組(104)與三次繞組(106)之匝數分別與第一主變 壓器之一次、二次與三次繞組相同。第一主變壓器一次繞組(1〇1)與第二主變壓器一次繞組(丨的) 連接一電力源(111)，第一主變壓器二次繞組(1〇3)一端連接第一燈管(1〇9)，另一端連接參考電 位，第二主變壓器二次繞組(1〇4)一端連接第二燈管(11〇)，另一端連接參考電位，第一主變壓 器二次繞組(105)串聯連接第二主變壓器三次繞組⑽)，因此流經第一主變壓器三次繞組(ι〇5) 與第二主變壓器三次繞組(1〇6)之電流同為1〇3，由於變壓器電磁感應特性，流經第一主變壓器 二次繞組(103)電流1〇1與三次繞組(1〇5)電流&關係如下：, M335764 VIII, new description: [New technical field] Liquid crystal display cold cathode fluorescent tube drive technology. [Prior Art] Refer to the diagram of the simple circuit shown in Figure _ "The use of the current sharing transformer to adjust the current of the two lamps at the fresh high voltage end, the first-main transformer-secondary winding_ and the second main-spring primary winding_ Therefore, the first main transformer secondary winding _ and the second main transformer secondary winding (10) are both N2 E, the first current sharing transformer-secondary winding (the first-average flow deletion -: Nenqing (four) N11 (four) - occupation: Two-level current transformer on the peak side - power source - canister: Wei _ tear - end fine, interesting - line _ following the first light Qing) where - end 'other - end connected to the reference potential, the first - the other end of the lamp Connect the reference potential, the second main «secondary winding 4) the middle end through the second current sharing transformer - the secondary winding _ connected to the second lamp, the other end connected to the reference potential, the second lamp is connected to the other end _ Bit, the first, the _secondary winding _) is connected in series with the second current-flowing device secondary winding (10)), thus flowing through the current of the first-average current transformer (10) and the second current-sharing transformer (10) All are 1〇4, according to the electromagnetic induction characteristics of the workmanship - the relationship between the lamp current ^ is as follows: [01 N22\mr〇^ ( a) The same reason can be obtained 1 (33 and the flow through the second lamp f flow IG2 is as follows: (Formula 2) r (Ν22\ 02\mr^ From the formula - and Equation 2 can be seen through the first - lamp and The current of the two lamps will be the same. The two diagrams show the 'system' of the average current, the simple circuit of the two tubes of the lamp, the main circuit, the secondary winding ((8)) and the second main transformer. - the secondary winding (10) is N1E, the first main transformer is:; ^ = 3) and the second subjective secondary winding (10) is N2, the first current transformer primary winding (1) takes the edge - Second round chat) Junqing (four) _ current transformer secondary winding (曙 second current rheology (four) 5 M335764 secondary winding (115) are N22 ®. The first - primary _ secondary winding (1 〇 1) and The main transformer primary winding ((10) connection - power source - main transformer secondary winding (10)) one end is connected to the first lamp (9) 9) one end, the other end is connected to the reference electric n lamp _ additional - end through the first - current sharing The transformer-second 敝 (112) is connected to the reference potential, and the second main transformer secondary winding (104) has a - terminal connected to the second lamp _ one end thereof, and the other end is connected to the reference potential, and the second lamp (110) ) The outer end is connected to the reference potential through the second current sharing cage primary winding (113), and the first current sharing, the transformer secondary winding _ and the second current sharing transformer secondary winding _5) are connected in series, so that The current flowing through the first lamp-tube (109) is the same as the current of the second lamp (11〇), and the operation principle thereof is the same as that described in the above-mentioned first figure, and will not be described here. In summary, the conventional adjustment lamp The tube current circuit has the following common disadvantages: • 1) It is necessary to use a current sharing transformer with the same number of lamps, resulting in an increase in cost. 2. The current sharing transformer needs to occupy a large amount of printed circuit board (PCB) area, increasing the difficulty of one (10) and Printed circuit board (PCB) cost. [New content] This creation will have the surface II of the secondary winding and the secondary winding, and add other single- or multiple windings outside the secondary winding and the secondary winding. When the plurality of suspensions are turned into a plurality of lamps, The light (four)-Wei group is connected to a power source, the secondary winding end is connected to a lamp tube, the other end is connected to a reference potential, and the other ends are connected in series through other single or multiple windings by the single or multiple windings of the transformers. The loops formed by connecting each other in series make the current flowing through the transformers and the windings, so that the current balance between the plurality of lamps is achieved. Based on the above, it can be seen that the author has the following advantages: 1. The series connection between other single or multiple windings added by the transformer is used to achieve the current balance between the plurality of lamps, since no additional current transformer is needed, It will not cause an increase in costs. 2. Since there is no current sharing transformer, it does not occupy an extra printed circuit board (PCB) area, thus reducing the difficulty of printing and the cost of printed circuit board (PCB). 3. This creation is a simple and effective implementation of the various types of marrow H. The above-mentioned points 'obviously made the purpose and effect of Wei's turning over, and did not see any practice or public use beforehand, in line with the application of the new patent. 6 M335764 [Embodiment] The first embodiment of the present invention, as shown in the third figure, adds a secondary winding to the original main transformer except the primary winding and the secondary winding. The primary winding of the first main transformer (1〇1) is The N1匝 and the secondary windings (103) are N2匝 and tertiary windings (1〇为为匝. The second main transformer primary winding (102), the secondary winding (104) and the tertiary winding (106) have the number of turns and the The primary, secondary and tertiary windings of a main transformer are the same. The primary winding of the first main transformer (1〇1) is connected to the primary winding of the second main transformer (丨) to a power source (111), the secondary winding of the first main transformer (1〇3) One end is connected to the first lamp tube (1〇9), the other end is connected to the reference potential, and the second main transformer secondary winding (1〇4) is connected to the second lamp tube (11〇) at one end, and the other end is connected with reference. Potential, the first main transformer secondary winding (105) is connected in series to the second main transformer tertiary winding (10)), thus flowing through the first main transformer tertiary winding (ι〇5) and the second main transformer tertiary winding (1〇6) The current is the same as 1〇3, due to the electromagnetic induction characteristics of the transformer, flowing through the secondary winding of the first main transformer ( 103) Current 1〇1 and tertiary winding (1〇5) current & relationship is as follows:
同理’流經第二主變壓器二次繞組(1〇4)電流&與三次繞組(1〇6)電流j⑺關係如下： 1〇2 (式四） 由式三與式四可知流經第一燈管(1〇9)與第二燈管(ιι〇)之電流將會相等。 本創作之第二實施例雜合第三圖參考第四圖所*，原有主觀^上除了—次繞組與二 φ -人繞組外增加其他複數次繞組，第一主變壓器與第二主變壓器分別共有❿次繞組，將第一主 變壓為其中第n次繞組(浙)(雜）㈣連接第二主變壓器之第η次繞組_，亦可達到讓流 經第一燈管(1〇9)與第二燈管(110)電流相等之效果，其動作原理如同第三圖之說明，此處不: 贅述。 【圖式簡單說明】 第-圖為習知使用均流變壓器於燈管高壓端調節兩燈管電流之簡單電路示意圖。 第-圖為習知使料流麵H於好低綱兩燈管電流之簡單電路示意圖。 第二圖為摘作第-實劇之三繞組籠器調節兩燈管電流之簡單電路示意圖。 7 M335764 第四圖為本創作第二實施例之m繞組變壓器調節兩燈管電流之簡單電路示意圖。 【主要元件符號說明】 101 :第一主變壓器一次繞組 102 ··第二主變壓器一次繞組 103 ··第一主變壓器二次繞組 104 :第二主變壓器二次繞組 105 :第一主變壓器三次繞組Similarly, the relationship between the secondary winding (1〇4) current flowing through the second main transformer and the tertiary winding (1〇6) current j(7) is as follows: 1〇2 (Formula 4) The flow through the third and fourth equations The current of one tube (1〇9) and the second tube (ιι〇) will be equal. The second embodiment of the present invention is hybridized with reference to the fourth figure in the third figure. The original subjective addition of the other secondary windings except the secondary winding and the second φ-human winding, the first main transformer and the second main transformer There are a plurality of windings respectively, and the first main transformer is transformed into the nth winding (Zhe) (Miscellaneous) (4) connected to the nth winding _ of the second main transformer, and can also be passed through the first lamp (1〇) 9) The effect of the current equal to the current of the second tube (110) is as described in the third figure, and is not described here. [Simple description of the diagram] The first figure is a simple circuit diagram of the conventional use of a current sharing transformer to regulate the current of the two lamps at the high voltage end of the lamp. The first figure is a simple circuit diagram of the conventional two-lamp current of the flow surface H. The second picture is a simple circuit diagram of the three-winding cage of the first-real drama to adjust the current of the two lamps. 7 M335764 The fourth figure is a simple circuit diagram for adjusting the current of two lamps by the m-winding transformer of the second embodiment. [Main component symbol description] 101: First main transformer primary winding 102 · Second main transformer primary winding 103 · First main transformer secondary winding 104: Second main transformer secondary winding 105: First main transformer tertiary winding
106 :第二主變壓器三次繞組 107 :第一主變壓器η次繞組 108 :第二主變壓器η次繞組 109 :第一燈管 110 :第二燈管 111 : 一般習用之交流電力源 112 :第一均流變壓器一次繞組 113 :第二均流變壓器一次繞組 114 :第一均流變壓器二次繞組 115 :第二均流變壓器二次繞組 111 :第一主變壓器一次繞組電流 112 :第二主變壓器一次繞組電流 Ι〇ι :第一燈管電流 1〇2 :第二燈管電流 1〇3 :第一主變壓器與第二主變壓器之三次繞組串接迴路電流 1〇4 :第一均流變壓器與第二均流變壓器之二次繞組串接迴路電流 1〇5:第一主變壓器與第二主變壓器之η次繞組串接迴路電流 8 M3 3 5764 第主變壓器與第二主變壓器之一次繞組阻數 N2:第—域壓_第二主變壓H之二次繞缝數 第主變壓器與第二主變壓器之三次繞組阻數 Nn ·第-主髓n與第二域壓器之n次繞組阻數 Nm •第—主變壓11與第二主變壓H之m次繞組阻數 Nil ··第-均流變壓器與第二均流變壓器-次繞組錄 N22 .第-均流變壓器與第二均流變壓器二次繞組隨 鲁九、申請專利範圍·· 1·種多重繞組變壓器之燈管電流平衡電路，其特徵包括： 複數個變鞋’該些髓器皆包含—魏組、二次繞組與三次繞組，該些變㈣之一次繞 、、且連接電力源，_次繞組分別連接—燈管，三次繞組相互連接，如此該電力源得以透過 該些變壓器提供相同電流至該些燈管。 -2· tzrr。第1術餘變版峨辭嫩，㈣麵可為奇數個或 3·如申請專利顧第丨項多重繞_壓器之燈管電流平衡電路，該錢壓器之—次繞域 數、二次繞組E數與三次繞組阻數分別相同。 * 4.如申請專利範圍第】項多重繞組變壓器之燈管電流平衡電路，該些燈管係可為冷陰極勞光 燈管(CCFL)或外部電極冷陰極螢光燈管。 5.如申請專利範圍第i項多重繞組變壓器之燈管電流平衡電路，該些變壓器之三次繞組係以 極性相加方式串聯連接或以極性相減方式串聯連接。 6· —種多重繞組變壓器之燈管電流平衡電路，其特徵包括： 複數個變壓器，該壓器皆包含_次繞組、二次繞組與其他複數次繞組，該些變壓器之 -次繞組連接-電減，二次敵分猶接-燈管，其他魏魏_互連接，如此該電 力源得以透過該些變壓器提供相同電流至該些燈管。 7.如申請專利襲第6項多重繞組變壓器之燈管電流平衡電路，該些變壓器係可為奇數個或 9106: second main transformer tertiary winding 107: first main transformer n-th winding 108: second main transformer n-th winding 109: first lamp 110: second lamp 111: common conventional AC power source 112: first Current sharing transformer primary winding 113: second current sharing transformer primary winding 114: first current sharing transformer secondary winding 115: second current sharing transformer secondary winding 111: first main transformer primary winding current 112: second main transformer once Winding current Ι〇ι: first lamp current 1〇2: second lamp current 1〇3: the third main winding of the first main transformer and the second main transformer are connected in series with the loop current 1〇4: the first current sharing transformer The secondary winding of the second current sharing transformer is connected to the loop current 1〇5: the n-second winding of the first main transformer and the second main transformer are connected in series with the loop current 8 M3 3 5764 The primary winding resistance of the first main transformer and the second main transformer Number N2: first-domain pressure _ second main transformer H second winding number of the third transformer resistance of the main transformer and the second main transformer Nn · n-th winding of the first main core n and the second domain voltage Resistance Nm • m-th main transformer 11 and second main transformer H Group resistance Nil · · first-average transformer and second current sharing transformer - secondary winding N22. The first-average transformer and the second current transformer secondary winding with Lu Jiu, the scope of patent application · · · multiple The lamp current balancing circuit of the winding transformer comprises the following features: a plurality of variable shoes - the pulps all include - Wei group, secondary winding and tertiary winding, and the windings (4) are wound once and connected to the power source, _ The secondary windings are respectively connected to the lamps, and the tertiary windings are connected to each other such that the power source can supply the same current to the lamps through the transformers. -2· tzrr. The first remnant version of the 术 峨 , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , 四 四 四 四 四 四 四 四 四 四 四 四 四 四 四The secondary winding E number is the same as the tertiary winding resistance. * 4. For the lamp current balancing circuit of the multi-winding transformer of the patent application scope, the lamp tube system may be a cold cathode fluorescent lamp (CCFL) or an external electrode cold cathode fluorescent lamp. 5. For the lamp current balancing circuit of the multi-winding transformer of the i-th patent of the patent application, the tertiary windings of the transformers are connected in series by polarity addition or in series by polarity subtraction. 6·- A multi-winding transformer lamp current balancing circuit, characterized in that: a plurality of transformers, the voltage converter comprises a _ secondary winding, a secondary winding and other complex windings, the secondary winding connection of the transformers Subtract, the second enemy is still connected to the lamp, and the other Wei Wei _ interconnect, so that the power source can provide the same current to the lamps through the transformers. 7. If applying for a patent to attack the lamp current balancing circuit of the sixth multi-winding transformer, the transformers may be odd or 9