M344683 八、新型說明： 【新型所屬之技術領域】 別是指一種 ，以獲致 本創作係涉及一種風扇轉速控制電路， 應用電壓控制脈波寬度裝置以及低壓蠕分壓 低電壓時能夠達到更低轉速表現之創新嗖； f先前技術】 按，為因應電腦電子設備不同的散熱目 遂有風扇結構上具轉速變化不同的設γ 另一種習知風扇馬達轉 臺灣專利證書號M572483之「 就習知結構而言， 月自的散熱風扇轉速控制 源電壓狀態來控制風扇 扇轉速控制電路之電壓 所示可知，係利用一個 OOrpm ，再利用一個2v rpm ;然而，由於直流 性係屬非線性相對關係 其貫際轉速並無法確實 則，為確保風扇控制電 電壓值將僅能到達”之 一步降低的情形（亦即 向下調整之狀態），進 減降之技術瓶頸。 廠商於設計筆記型電腦 電路時，通常是利用兩 轉速，此如第1圖所揭 與轉速對照曲線圖，由 5V之高電源電壓控制風 之低電源電壓控制風扇 風扇馬達之轉速與電源 ’故系統輸入該低電源 降至預期2000rpm之低轉 路之基本電壓不受影響 低檔，以致風扇之低轉 第1圖所示之曲線Li底 而相對造成風扇噪音量 速控制結構， 直流無刷風扇 其專 馬達 及噪音量’ 、桌上型電 個不同的電 ，為習知風 該圖曲線L1 扇轉速在50 轉速在2000 電壓變化特 電壓2V時， 速狀態，再 ，該低電源 速無法再進 端斜率無法 無法進一步 利前案請參 之轉速控制 M344683 電路」 制電路 路以及 低電源 至馬達 作不同 設計於 制電路 低驅動 工作電 時考量 電流難 不盡理 是 問題點 用者所 ，該案所揭技術特點，士面^ 主要係使風扇^ ^ 包含設置在控制ic入雷㈣ ’、、、達之轉速控 %鳊電路區段的—β 一電壓準位偵測電路，兮+「 —電壓切換電 硪電壓準位相、 電壓決定作動該電壓切換電路輪 '剛電路依高、 之驅動電路，藉此，令風戶ι ^问、低驅動電流 的轉速變換；惟，此種抑4 π e不同之電源電壓 實際使用經驗中發現，由於 速&制電路 是設置在控制1C的入電媿 ]3運轉速栓M344683 VIII. New description: [New technical field] It refers to a kind of fan speed control circuit, which can achieve lower speed performance when applying voltage control pulse width device and low voltage creep voltage and low voltage. Innovative 嗖; f prior art] Press, in response to the different heat dissipation of computer electronic equipment, there are different rpm settings for the fan structure. Another conventional fan motor is transferred to Taiwan Patent Certificate No. M572483. In other words, the monthly cooling fan speed control source voltage state to control the voltage of the fan fan speed control circuit is shown by using a OOrpm and then using a 2v rpm; however, because the direct current is a nonlinear relative relationship If the speed is not correct, in order to ensure that the fan control voltage value will only reach the one-step reduction (ie, the state of downward adjustment), the technical bottleneck of the reduction and fall. When designing a notebook computer circuit, the manufacturer usually uses two speeds. As shown in Figure 1, the speed comparison curve is used. The high power supply voltage of 5V controls the speed and power of the fan fan motor. The system inputs the low power supply to the low voltage of the expected 2000 rpm, and the basic voltage is not affected by the low gear, so that the fan rotates low to the bottom of the curve Li shown in FIG. 1 and relatively causes the fan noise speed control structure, the DC brushless fan Special motor and noise amount ', desktop type electric different power, is the custom wind. The graph curve L1 fan speed is 50 speed, 2000 voltage change special voltage 2V, speed state, then, the low power speed can not be further The slope of the end cannot be further improved. Please refer to the speed control M344683 circuit. Circuit circuit and low power supply to the motor are designed differently. When the circuit is low-drive, the current is difficult to consider. The problem is the user. The technical features are revealed, the main system is to make the fan ^ ^ contain the control unit ic into the lightning (four) ',,,,,,,,, —β A voltage level detection circuit, 兮+“—voltage switches the voltage level of the voltage, and the voltage determines the driving circuit of the voltage switching circuit wheel’ just after the circuit is high, so that the wind is easy to ask, The speed of the low drive current is changed; however, the actual use of the power supply voltage of 4 π e is found in the actual use experience, because the speed & circuit is set in the control 1C power 愧] 3 speed plug
At ， 电έ而電路區段，因此其切換至 電流狀悲時，過低的電風其彳 、 屬壓右低於控制1C預定之基礎 壓值，顯將直接影響控制Tp M i 制Ic的正常運作，故為了同 該控制1C的正常運作，伸媒 使侍该習知設計的最低驅動 以有較低範圍的表現，以致風扇馬達之低轉速表現 想、未能達到業界所期待的極致靜音狀態者。 以，針對上述習知風扇轉速電路控制結構所存在之 ’如何開發-種更具理想實用性之創新結構，實使 企盼，亦係相關業者須努力研發突破之目標及方向 有鑑於此，創作人本於多年從事相關產品之製造開發 舁4什經驗，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創作。 【新型内容】 本創作之主要目的，係在提供一種應用電壓控制脈波 I度之風扇轉速控制電路’其所欲解決之問題點’係針對 習知風扇轉速控制電路設計上仍舊存在低轉速無法進一步 6 M344683 降低而致風扇噪音量無法進一步減降之問題點加以 破； 本創作解決問 控制電路包含·· * 出接頭、接地接頭 制1C板之動力輸出 包括電壓輸入端、 壓比較電路及脈波 電源供應接頭連結 題之技術特點， 控制1C板，包括 電路連結； 低壓 應接頭與該電壓控 此創新獨特設計， 電壓條件下，本創 設計’令該電壓控 ，進而讓風扇轉速 減降而提昇產品品 及控制 接頭連 高壓端 輸出端 ’該脈 端分壓 制脈波 使本創 作將可 制脈波 月色夠達 質之實 電路；一 結；一電 分壓電路 ，該電壓 波輸出端 電路，設 寬度裝置 作對照先 透過所述 寬度裝置 到更低轉 用進步性 主要在 電源供 風扇線 壓控制 、三角 輸入端 則與該 於該控 的電壓 前技術 低壓端 所輸出 速表現 及較佳 於所述風 應接頭、 圈電路， 脈波寬度 波震盪電 與該控制 控制1C板 制1C板之 輸入端之 而言，於 分壓電路 之脈波頻 、噪音量 產業利用 【實施方式】 請參閱篦？ 、9 η 寬产 圖所示，係本創作應用電 二:轉較佳實施例，惟此寻矛彳申请上並不受此έ士；)：盖夕p戸 扇轉速控制電路“…Τ 、、、°構之限 係包含下述構成： 一控制1C板10，苴在A 、動力輪出接-g19 括電源供應接頭11 S、2 (即 OUT1 、〇UT2 )、接地接At , the electric circuit and the circuit section, so when it switches to the current sorrow, the too low electric wind and its right pressure are lower than the predetermined basic pressure value of the control 1C, which will directly affect the control Tp M i system Ic Normal operation, so in order to operate normally with the control 1C, the extensor makes the lowest drive of the conventional design to have a lower range of performance, so that the low speed performance of the fan motor does not reach the extreme silence expected by the industry. State. In view of the above-mentioned knowledge of the fan speed circuit control structure, how to develop - an innovative structure with more ideal practicability, it is hopeful, and the relevant industry must strive to develop breakthrough goals and directions. Based on the experience of manufacturing and development of related products for many years, the company has made a practical and practical creation after detailed design and careful evaluation. [New content] The main purpose of this creation is to provide a fan speed control circuit that applies voltage control pulse I degree. The problem to be solved is that there is still a low speed for the design of the conventional fan speed control circuit. Further, the problem that the noise of the fan can not be further reduced is reduced. The power supply of the 1C board of the joint and the grounding joint includes the voltage input terminal, the voltage comparison circuit and the pulse. The technical characteristics of the wave power supply connector connection problem, control 1C board, including circuit connection; low voltage connector and the voltage control this innovative unique design, under the voltage condition, the original design 'make the voltage control, and then let the fan speed decrease Enhance the product and control joints with the high-voltage end of the output end of the pulse end of the pulse wave so that this creation will be able to make the pulse wave moonlight enough to reach the real circuit; a knot; an electrical voltage divider circuit, the voltage wave output End circuit, set width device for comparison first through the width device to lower conversion progress, mainly in electricity For the fan line pressure control, the triangular input end and the output voltage of the low voltage end of the control before the output performance and better than the wind should be connected, the circuit, the pulse width wave oscillation and the control control 1C board For the input end of the 1C board, the pulse wave frequency and noise amount of the voltage dividing circuit are utilized. [Embodiment] Please refer to 篦? As shown in the 9 η wide production map, this application is based on the application of electricity 2: the preferred embodiment, but the application for the spear is not subject to this gentleman;): the cover 戸 p戸 fan speed control circuit “...Τ , The limit of the structure is as follows: 1. Control the 1C board 10, 苴 at A, power wheel out - g19 including power supply connectors 11 S, 2 (ie OUT1, 〇 UT2), ground connection
改良突 扇轉速 動力输 與該控 裝置， 路、電 1C板之 之控制 電源供 間；藉 相同低 之分壓 率減降 進一步 效益。 制脈波 施例僅 所述風 VCC ) (即G 7 M344683 ND )以及控制電路μ ;其中，該電源供應接頭11係藉以輸 - 入工作電壓；又該控制1C板10之動力輸出接頭12並與一風 扇線圈電路20相連結； 一電壓控制脈波寬度裝置30 ’其構成詳如第3圖所示 ，係包括一電壓輸入端31、一高壓端分壓電路32、三角波 震盪電路33、一電壓比較電路34以及一脈波輸出端35，其 中，該電壓輸入端31係與該控制1C板1〇之電源供應接頭^ 相連結，該脈波輸出端35則與該控制1C板1〇之控制電路14 籲相連結； 一低壓端分壓電路40，係設於該控制1C板1〇之常^ 1人€原供 應接頭11與該電壓控制脈波寬度裝置30的電壓輸入端31 間。 而之 • 其中，該電壓控制脈波寬度裝置30可為結合於該# 1C板10之設置型態；又，該電壓控制脈波寬度裝置亦。 為與該控制1C板10分開設置之型態者。 藉由上述之結構、組成設計，茲就本創作之使用運作 φ 情形說明如下： 3〇以及低壓端分壓電 4圖所示，假設該控 )之高電源電壓為5V 值為0· 1 (即Ri/R2 值為〇_ 7 (即R3/R4 之正極端電壓值為3 角波震盪電路33之負 )，藉此令由該脈波 藉由所述電壓控制脈波寬度裝置 路40之分壓設計，請配合第2、3、 制1C板1〇之電源供應接頭η (即ν(χ 時，則該低壓端分壓電路40之電阻比 );而該高壓端分壓電路32之電阻比 )，依此’通過該三角波震盪電路33 _5 V (即5 V X 0.7 )，而通過該三 極端電壓值為0· 5 V (即5 V X 〇 1 8 M344683 輸出端35輸出之脈波為頻帛⑽％之狀態，而此—高脈波 頻率，係可透過該控制1(:板1〇之控制電路14而將風J轉速 控制在5000rpm之高轉速狀態。 刀 接者，請配合第2 、3 、5圖所干，妒抓兮^ 0尸汀不，假5又忒控制1C板 10之電源供應接頭11 f gp V(T 、+ At β r- 一 伐项11 (即'^ )之低電源電壓為2V時，通 過該三角波震盪電路33之正極端電壓值為1·4 V (即2 V X 〇· 7 )，而通過該三角波震盪電路33之負極端電壓值為 、、（17 2 V Χ 〇· 1 )，藉此令由該脈波輸出端35輸出 之脈波為頻率夕灿：能 ΤΤ.. /6之狀恶，而此一低脈波頻率，係可透過. 該控制1C板1〇之控制帝故14 &收门& u 〈ί工釗电路14而將風扇轉速控制在2〇〇〇之 低轉速狀態。 …由上述說明可知，本創作控制風扇轉速的方式，主要 I由μ電壓拴制脈波寬度裝置3〇搭配低壓端分壓電路40 ^ 〇 ^ Χ 以將電壓轉變為控制風扇轉速之高低頻脈波 a化疋Χ心著该低壓端分壓電路40的電阻規格配置不 同二將可產生更低的脈波頻率（如70 %、65 %等），、進而 乂得更低栝的風扇轉速如15〇〇r_、1〇〇叶_等低轉速狀態， 此如第 6圖所+ ， & 1、 μ 為本創作風扇轉速控制電路之電壓與轉 速對照曲線圖’相較於帛1圖所示之習知固定斜率之曲線 而。本創作第6圖所示之曲線L2底端係具有可向下變 化之斜率可變特色。 g再者由於所述電壓控制脈波寬度裝置30、低壓端分 L电路40之兒壓輸入係連結於該控制π板1〇外部之電源供 應接頭11，因此兮φ两、/ 亥電堡控制脈波寬度裝置30以及低壓端分 9 M344683 不會對該控制1C板 壓電路40之運作 何影響，該控制 壓狀態者。 1C板10將能夠保有 10之工作電壓 一個穩定的基礎 產生任 工作電 功效說明： 本創作功效增進之事實如 本創作所揭風扇轉速 控制脈波寬度裝置以及低 使本創作對照【先前技術 電壓條件下，本創作將可 設計’令該電壓控制脈波 ’進而讓風扇轉速能夠有 扇運作之噪音量能夠進一 品質之實用進步性及較佳 下： 控制電路主要藉由增設所 壓端分壓電路之創新獨特 】所提習知結構而言，於 透過所述低壓端分壓電路 兔度裝置所輸出之脈波頻 更低之轉速表現狀態，藉 步減降，進而達到提昇風 產業利用效益者。 述電壓 設計， 相同低 之分壓 率減降 此令風 扇產品 上述實施例所揭示者係藉以具體說明本創作 雖透過特定的術語進行說明，當不能以此限定本新 之專利範圍；热悉此項技術領域之人士當可在瞭解 之鈿神與原則後對其進行變更與修改而達到等效目 此專又更與修改’皆應涵蓋於如后所述申請專利氧 定之範疇中。 且文中 型創作 本創作 的，而 圍所界 10 M344683 f圖式簡單說明】 ^與轉速對照曲線 施例之平面圖。 構成電路圖。 頻脈波示意圖。 頻脈波示意圖。 壓與轉速對照曲 第1圖：係習知風屬轉速控制電路之電 圖。 第2圖：本創作風屬轉速控制電路較佳 第3圖·本創作之電壓控制脈波寬度裝 弟4圖：本創作之高電源電壓模式產生1 f 5圖··本創作之低電源電壓模式產生^ 第6圖：本創作之厠 '屬轉速控制電路之^ 線圖。The improved fan speed power transmission and the control device, the control power supply between the road and the electric 1C board; the lower the partial pressure rate to reduce the further benefit. The pulse wave embodiment only describes the wind VCC (ie, G 7 M344683 ND ) and the control circuit μ; wherein the power supply connector 11 is used to input the operating voltage; and the power output connector 12 of the 1C board 10 is controlled. Connected to a fan coil circuit 20; a voltage control pulse width device 30' is configured as shown in FIG. 3, and includes a voltage input terminal 31, a high voltage terminal voltage dividing circuit 32, and a triangular wave oscillation circuit 33. a voltage comparison circuit 34 and a pulse output terminal 35, wherein the voltage input terminal 31 is coupled to the power supply connector of the control 1C board, and the pulse output terminal 35 is connected to the control 1C board. The control circuit 14 is connected to each other; a low-voltage end voltage dividing circuit 40 is disposed on the control 1C board 1 and the original supply connector 11 and the voltage input end 31 of the voltage control pulse width device 30. between. And wherein the voltage control pulse width device 30 can be in the set configuration of the #1C board 10; in addition, the voltage control pulse width device is also. It is a type that is set separately from the control 1C board 10. With the above structure and composition design, the situation of the use of φ in this creation is explained as follows: 3〇 and the low-voltage end-divided piezoelectric 4 diagram, assuming that the high power supply voltage of the control is 5V, the value is 0·1 ( That is, the Ri/R2 value is 〇_7 (ie, the positive terminal voltage value of R3/R4 is negative of the 3 angular wave oscillating circuit 33), thereby controlling the pulse width device path 40 by the pulse wave by the voltage. For the voltage division design, please match the power supply connector η of the 2nd, 3rd, and 1C boards (ie, ν (χ, then the resistance ratio of the low-voltage terminal voltage dividing circuit 40); and the high-voltage terminal voltage dividing circuit The resistance ratio of 32), according to this 'by the triangular wave oscillation circuit 33 _5 V (ie 5 VX 0.7 ), and the voltage value of the three extremes is 0·5 V (ie 5 VX 〇1 8 M344683 output 35 output pulse The wave is in the state of frequency (10)%, and the high pulse frequency can be controlled by the control circuit 14 of the control panel 14 to control the speed of the wind J to a high speed state of 5000 rpm. Cooperate with the 2nd, 3rd, and 5th maps, 妒 兮 ^ 0 尸 汀 不, 假 5 忒 control 1C board 10 power supply connector 11 f gp V (T, + At β r- 一伐项11 (When the low power supply voltage of '^) is 2V, the voltage value of the positive terminal of the triangular wave oscillation circuit 33 is 1·4 V (that is, 2 VX 〇·7), and the voltage of the negative terminal of the triangular wave oscillation circuit 33 is passed. For, (17 2 V Χ 〇 · 1 ), thereby causing the pulse wave outputted by the pulse wave output terminal 35 to be a frequency 夕: can be ΤΤ.. /6, and this low pulse frequency, The control can be controlled by the control 1C board 1〇 control 14 & gate & u ί 钊 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 To create a way to control the fan speed, the main I is the pulse width device of the μ voltage, and the low voltage end divider circuit 40 ^ 〇 ^ Χ to convert the voltage into a high and low frequency pulse that controls the fan speed. The low-voltage-side voltage dividing circuit 40 has a different resistance specification configuration, which can generate a lower pulse frequency (such as 70%, 65%, etc.), and further lower the fan speed such as 15〇〇r_, 1 〇〇 leaf _ and other low-speed state, as shown in Figure 6 +, & 1, μ is the voltage of the creative fan speed control circuit The speed comparison graph 'is compared with the conventional fixed slope curve shown in Fig. 1. The bottom end of the curve L2 shown in Fig. 6 has a slope characteristic that can be changed downward. The voltage control pulse width device 30 and the low voltage end L circuit 40 are connected to the power supply connector 11 outside the control π plate 1 , so the 兮 φ 2, / hai bao control pulse width device 30 and the low-voltage end point 9 M344683 will not affect the operation of the control 1C plate voltage circuit 40, which controls the state of the pressure. 1C board 10 will be able to maintain a stable foundation of 10 working voltage to produce any working power. Description: The fact that the creative effect is enhanced, such as the fan speed control pulse width device disclosed in this creation, and the low-level contrast control [previous technical voltage conditions] Next, this creation will be able to design 'make the voltage control pulse wave' and let the fan speed have a fan operation noise amount can be improved into a quality and better: the control circuit is mainly by adding the pressure end to the piezoelectric The innovation of the road is unique. According to the conventional structure, the speed of the pulse wave outputted by the rabbit device of the low-voltage end divider circuit is lower, and the performance of the pulse wave is reduced, thereby improving the utilization of the wind industry. Benefits. The voltage design, the same low voltage division rate reduction, the fan product disclosed in the above embodiments is used to specify that the creation is described by specific terms, when it is not possible to limit the scope of this new patent; Persons in the technical field can change and modify them after understanding the gods and principles to achieve the equivalent. This special and more modified should be covered in the scope of applying for patent oxygen as described later. And the medium-sized creation of this creation, and the enclosure of the 10 M344683 f diagram simple description] ^ and the speed contrast curve plan of the example. Form a circuit diagram. Schematic diagram of frequency pulse wave. Schematic diagram of frequency pulse wave. Pressure and speed comparison song Figure 1: The electric system of the speed control circuit. Figure 2: This creation wind is the speed control circuit is better. Figure 3 · The voltage control pulse width of this creation is 4: The high power supply voltage mode of this creation produces 1 f 5Fig.·The low power supply voltage of this creation Mode generation ^ Fig. 6: The toilet of this creation is a line diagram of the speed control circuit.
【主要元件符號說明】 風扇轉速控制電路 控制1C板 電源供應接頭 動力輸出接頭 接地接頭 控制電路 風扇線圈電路 電壓控制脈波寬度展置 電壓輸入端 向壓端分壓電路 三角波震盪電路 電壓比較電路 波輸出端 低壓端分壓電路 11[Main component symbol description] Fan speed control circuit control 1C board power supply connector power output connector grounding joint control circuit fan coil circuit voltage control pulse width spread voltage input terminal to pressure terminal divider circuit triangle wave oscillation circuit voltage comparison circuit wave Output terminal low voltage terminal voltage dividing circuit 11