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五、發明說明（1) 一、【發明所屬之技術領域】 本發明係有關於一種判斷電 特別地是提供—種可以提=的電路結構，更 與叹疋值比較以判斷電池電壓量的電路結構。 一、【先前技術】 參考Ϊ = 路中’電池的電壓不足時無法直接由 路的掸作* . =電池無法提供足夠的電壓進行量測電 路的#作％，在刼作的過程中會容易發生 得整個量測電路的操作必需 ^ 及成本。 扑乂而室新再進行，因而浪費人力以 -J 一 ί說明常見位於血醣量測裝置中量測電路之簡單 不忍圖。在此電路圖中之裝置包含第一電阻ιι〇、二電 GU池電壓輸入端(Vdd)114、穩壓裝置116、類比 ； analog to digital converting devlce)li8以及訊號輸出端（D_)12()。其中，第一電阻 11〇與第二電阻U2以串聯的方式相互電性耗接，第一電 阻11〇的另一端則是接地（gr〇unded)i22。另外，電池電 壓輸入端114提供血醣量測裝置操作時的電源來源，並且 分別與第二電阻1 i 2以及穩壓裝置i! 6 f性耦#，而穩壓 裝置11 6的另一端則是連接至類比數位轉換裝置丨丨8。在V. INSTRUCTION DESCRIPTION OF THE INVENTION (1) 1. Technical Field to Which the Invention A Field The present invention relates to a circuit for judging that a circuit is specifically provided with a circuit structure that can be compared with a sigh value to determine a battery voltage. structure. First, [previous technology] Reference Ϊ = In the road 'The battery voltage is insufficient, it can't be directly made by the road. * The battery can't provide enough voltage to measure the circuit's #%, it will be easy in the process of making It takes place and the cost of the operation of the entire measurement circuit. The new situation is repeated, and it is a waste of manpower to explain the simplicity of the measurement circuit commonly found in blood glucose measuring devices. The device in this circuit diagram includes a first resistor ιι, a second battery voltage input terminal (Vdd) 114, a voltage regulator 116, an analogy; a analog to digital converting devlce) li8 and a signal output terminal (D_) 12 (). The first resistor 11 〇 and the second resistor U 2 are electrically connected to each other in series, and the other end of the first resistor 11 是 is grounded. In addition, the battery voltage input terminal 114 provides a power source when the blood glucose measuring device is operated, and is coupled to the second resistor 1 i 2 and the voltage stabilizing device i! 6 f, respectively, and the other end of the voltage stabilizing device 116 is Connected to the analog digital converter 丨丨8. in
第5頁 1275817 五、發明說明（2) 此，穩壓裝置11 6是用來供應一固定電壓至類比數位轉換 裝置11 8，以固定該類比數位轉換裝置11 8之操作電壓； 此外’類比數位轉換裝置11 8的一端點則是與第一電阻 11 0及第一電阻1 1 2的連接端電性耦接，而類比數位轉換 裝置11 8的另一端為接地1 2 4。此外，類比數位轉換裝置 11 8的輸出立而連接至成號輸出端1 2 〇，其中訊號輸出端 1 2 0輸出整個血醣量測裝置中電壓的數位訊號值。Page 5 1275817 V. Description of the Invention (2) Here, the voltage stabilizing device 116 is used to supply a fixed voltage to the analog-to-digital conversion device 11 8 to fix the operating voltage of the analog-digital conversion device 11 8; One end of the conversion device 117 is electrically coupled to the connection end of the first resistor 110 and the first resistor 112, and the other end of the analog to digital converter 1 8 is the ground 1 2 4 . In addition, the output of the analog-to-digital conversion device 117 is connected to the numbered output terminal 1 2 〇, wherein the signal output terminal 120 outputs the digital signal value of the voltage in the entire blood glucose measuring device.
在傳統的血醣量測裝置電路操作中，電池電壓輸入端 11 4提供血聽量測裝置中的操作電源，根據克希荷夫電壓 ，流定律，第一電阻11 0與第二電阻丨丨2具有相同的電 壓’進入類比數位轉換裝置1丨8的電壓可以由一計算公式 VADdi^Ri/Ri+R2求得，其中，vADC為類比數位轉換裝置118 之電壓，VDD為電池電壓輸入端丨丨4提供的電壓，&、&分別 為第一電阻110及第二電阻112之阻值。此外，穩壓裝置 11 6提供至類比數位轉換裝置丨丨8之固定電壓為2 · 5伏特 (V〇lt)。因此，可以根據公式Dout = 255/2. 5*VDD求出訊號 輸出端120之數值，其中，為經由計算之後由訊號輸 出端120之數值’數值255是對應類比數位訊號裝置118 =8位元（b i t)來計算。藉由上述計算公式可以得到電池電 壓ϊ之輸出值’並且與量測電路的設定值比較，當電池的 電壓量低於設定值時，即表示電池的電量不足。並且根據 上述之公式可以得到訊號輸出端丨2 〇的數值與電池電壓輸 入端11 4的輸入電壓量成正比。雖然使用者仍然可以藉由In the conventional blood glucose measuring device circuit operation, the battery voltage input terminal 11 provides an operating power source in the blood listening measuring device, according to the Khehoff voltage, the flow law, the first resistor 11 0 and the second resistor 丨丨 2 The voltage having the same voltage 'into analog-to-digital conversion device 1丨8 can be obtained by a calculation formula VADdi^Ri/Ri+R2, where vADC is the voltage of the analog-to-digital conversion device 118, and VDD is the battery voltage input terminal. 4, the voltages provided, &, & are the resistance values of the first resistor 110 and the second resistor 112, respectively. Further, the fixed voltage supplied from the voltage stabilizing device 161 to the analog digital converter 丨丨8 is 2.5 volts (V 〇 lt). Therefore, the value of the signal output terminal 120 can be obtained according to the formula Dout = 255/2. 5*VDD, wherein the value of the signal output terminal 120 after the calculation is 'the value 255 is the corresponding analog digital signal device 118 = 8 bits. (bit) to calculate. By the above calculation formula, the output value of the battery voltage ’ can be obtained and compared with the set value of the measuring circuit. When the voltage of the battery is lower than the set value, the battery is insufficient. And according to the above formula, the value of the signal output terminal 丨2 〇 can be proportional to the input voltage of the battery voltage input terminal 11 4 . Although the user can still
第6頁 1275817 五、發明說明（3) 上述公式及量測方式以求得電池的電量，但是，使用者並 無法根據訊號輸出端120所得到的電量來判 具有足夠的電壓可以提供血酷量測裝置操』斷=疋 作過程中，在電壓不足的時候會造成斷電（shut down) /' 使得操作重新開始。如此-纟，會早成操作的繁雜性以及 增加成本。 三 發明内容 签於上述習知血聽量測货署々s、a丨； 本發明之目的之一，提；之諸多缺點， 置安裝在量測電路中，用以克具有固定電壓之裝 用以克服傳統上所衍生的問題。 本發明之又一目的，提供一錄 具有固定參考電壓之裝置盥電；：：出電壓值並根據 具有足夠之電壓量。 電池電昼比較以判斷電池是否 種提供具有固定電壓之裝 本發明之另一目的，提供一 置於量測電路中’以節省量測電路之製程成本 量之5月2 ί持1:1提供一種可以得知電池之剩餘電 万 、准持血醣1測裝置之正常操作。 種提供具有固定 根據以上所述之目的，本發明提供一 1275817 五、發明說明（4) " --- $考電，值之裝置並與輸出電壓及設定值判斷求得實際之 么池電£值的電路結構’其中具有固定參考電壓值之裝置 "=體以取代習知之量測電路中之第一電阻以及穩壓裝 山’、中一極體之另一端點接地、量測電路中之電阻之 浐t點與戎二極體電性耦接而其另一端點與電池電壓輸入 ^電性耦接。此外，一類比數位轉換裝置與二極體以及電 連接的、點相互電性耦接，並且與電池電壓輸入端以 及二極辦夕 X? 、 _ 3另一端點相互電性耦接，類比數位轉換裝置的 ^雷疋連接至訊號輸出端。當電池電壓輸入端提供操 二聖^ ’由於二極體可以提供固定的電壓值，而量測電 y各中阳 + ^ ^ 阻值為固定，因此，訊號輸出端的變化是與電 k並f ί-端的大小成反比。因此可以由訊號輸出端的數 '〜、°又义值比較而判斷電池是否具有足夠的電壓量以提 供量測電路的操作。 四、【實施方式】 么—本务明的一些實施例會詳細描述如下。然而，除了詳 細描述外’本發明還可以廣泛地在其他的實施例施行，且 本t明的範圍不受限定，其以之後的專利範圍為準。 本發明提供一種提供具有固定參考電壓值之裝置且利 用t出電壓值與量測電路之設定值比較以求得實際之電池 電t值的電路結構，其包含一具有固定參考電壓值之二極Page 6 1275817 V. Description of the invention (3) The above formula and measurement method are used to determine the power of the battery. However, the user cannot judge that there is sufficient voltage according to the power obtained by the signal output terminal 120 to provide the blood volume. Test device operation = during the operation, when the voltage is insufficient, it will cause a power down (shut down) / ' to make the operation restart. So--this will lead to the complexity of the operation and increase the cost. The third invention is signed in the above-mentioned conventional blood listening quantity measuring department 々s, a丨; one of the objects of the present invention; many disadvantages, installed in the measuring circuit for the installation of a fixed voltage To overcome the problems traditionally derived. It is still another object of the present invention to provide a device having a fixed reference voltage; the: output voltage value is based on having a sufficient amount of voltage. The battery is compared to determine whether the battery is provided with a fixed voltage. Another object of the present invention is to provide a measurement circuit in which the process cost of the measurement circuit is saved. One can know the normal operation of the remaining battery of the battery and the blood glucose monitoring device. Provided with a fixed purpose according to the above, the present invention provides a 1275817 V, invention description (4) " --- $ test, value of the device and the output voltage and set value judgment to find the actual pool The circuit structure of the value of 'there is a device with a fixed reference voltage value"= body to replace the first resistance in the conventional measurement circuit and the voltage regulator mount, the other end of the middle pole is grounded, the measurement circuit The 浐t point of the resistor is electrically coupled to the 戎 diode and the other end thereof is electrically coupled to the battery voltage input. In addition, an analog-to-digital conversion device is electrically coupled to the diode and the electrically connected points, and electrically coupled to the battery voltage input terminal and the other end of the diodes X?, _3, analogous digits The Thunder of the conversion device is connected to the signal output. When the battery voltage input terminal provides the operation of the second ^ ' because the diode can provide a fixed voltage value, and the measurement power y each of the positive + ^ ^ resistance is fixed, therefore, the signal output changes with the electric k and f The size of the ί-end is inversely proportional. Therefore, it can be judged by the comparison of the number '~, ° and the sense value of the signal output terminal whether the battery has a sufficient voltage amount to provide the operation of the measuring circuit. 4. [Embodiment] Some embodiments of the present invention will be described in detail below. However, the present invention may be widely practiced in other embodiments, and the scope of the present invention is not limited, and the scope of the following patents will prevail. The present invention provides a circuit structure for providing a device having a fixed reference voltage value and comparing the set value of the voltage of the t-measurement circuit with the set value of the measuring circuit to obtain an actual battery voltage t value, which includes a diode having a fixed reference voltage value.
1275817 五、發明說明（5) 體（d i ode )以取代習知之量測電路中之第一電阻，並且可 以省略在傳統電路中的穩壓裝置。其中，二極體的第一端 點（terminal )與電阻的第二端點電性耦接，二極體的第二 端點則為接地（GND) ’電阻之第一端點與與電池電麼輸入 端電性耦接。由於二極體具有固定電壓值，因此，當電池 電壓輸入端提供一電壓至量測電路時，由訊號輸出端所得 到的輸出值與設定電壓比較，即可判斷電池之電壓量是否 下降。 第二圖說 二圖中利用具 統量測電路中 測電路中為了 穩壓裝置也可 與電阻1 2的第 接地（GND)20 < 性搞接，而二 與類比數位轉 轉換裝置1 6的 類比數位轉換 性耦接。而類 連接至訊號輸 明本發明 有固定電 之第一電 提供類比 以因此而 二端點電 電阻1 2 極體10的 換裝置1 6 第一端點 裝置16的 比數位轉 出端1 8。 之較佳實施 壓之裝置1 0 阻11〇(見第 數位轉換裝 省略。其中 性耦接，二 的第一端點 第一端點與 之第二端點 則是與電池 第三端點與 換裝置1 6的 例之電路結 例如’二極 一圖）’同 置一固定的 ，二極體1 0 極體10的第 與電池電壓 電阻1 2的第 電性耦接； 電壓端14電 二極體1 〇的 第四端點為 體，取代傳 時在傳統量 操作壓力的 的第一端點 二端點則是 輸入端1 4電 一端點同時 而類比數位 性耦接，且 第^—端點電 輸出端則是 在本發明的較佳實施例+，電池所提供至量測電 12758171275817 V. Description of the invention (5) The body (d i ode ) replaces the first resistance in the conventional measuring circuit, and the voltage stabilizing device in the conventional circuit can be omitted. The first terminal of the diode is electrically coupled to the second end of the resistor, and the second end of the diode is grounded (GND). The first end of the resistor is electrically connected to the battery. The input is electrically coupled. Since the diode has a fixed voltage value, when the voltage input terminal of the battery provides a voltage to the measuring circuit, the output value obtained by the signal output terminal is compared with the set voltage to determine whether the voltage of the battery drops. The second figure shows that in the second measurement diagram, the voltage measurement device in the measurement circuit can also be connected to the ground (GND) 20 of the resistor 12, and the second and analog digital conversion device 16 Analog to digital conversion coupling. And the type connected to the signal to indicate that the first electric power of the invention has a fixed electric power analogy, so that the two-terminal electric resistance 1 2 the polar body 10 of the switching device 1 6 the first end device 16 of the digital terminal 1 8 . Preferably, the device 10 is resisted 11 (see the digital conversion device omitted. The neutral coupling, the first end of the first end of the second end and the second end point are the third end of the battery The circuit junction of the example of the device 16 is, for example, a 'two-pole one picture', and is electrically coupled to the battery voltage resistor 12 of the diode body 10; the voltage terminal 14 is electrically connected. The fourth end of the diode 1 为 is a body, instead of the first end of the traditional operation pressure, the second end of the terminal is the input terminal 1 4 electric one end and the analog digital coupling, and ^ - the terminal electrical output is in the preferred embodiment of the invention +, the battery is provided to measure 1275817
電壓1為會隨著使用時間的增加而減少。為了解決在 血醣，測裝置在操作過程中，由於電壓的不足而造成斷 =問題。因此，利用具有固定參考電壓的二極體1 〇取代第 電阻。根據克希荷夫電壓電流定律可以知道，當 ^ &至1測電路時，經過電阻1 2與二極體1 0的電流量 以及分流至類比數位轉換裝置丨6的電流量應是 == ^尿一計算公式Dout=0.7/V⑽*D得到訊號輸出端18之數 ’，中’ hut為訊號輸出端18之數值；0· 7為二極體1〇 之固=電壓；vdd為電池電壓輸入端1 4輸入至量測電路 電壓；以及D^x為類比數位轉換裝置i 6之變數， 位元為255，以此類推。 彳]如8 因此，根據上述計算公式可以得知當電池電壓輪A⑽ 丄4的啻旦，丄 τ別八 路电里降低時，訊號輸出端丨8的數值增加。由於量測電 18所^ 一裝置可以提供一固定電壓，並且根據訊號輪出端 電汽ί剛到的數值與量測電路之設定值比較而判斷電池之 塾量是否足夠。 ' 定太以上所述僅為本發明之較佳實施例而已，並非用以限 ^神發明之申請專利範圍；凡其它未脫離本發明所揭示^ :子下所完成之等效改變或修飾，均應包含在下 專利範圍内。 I之申凊 1275817 圖式簡單說明 第一圖係表示利用傳統血醣量測裝置之量測電路示意 圖，及 第二圖係根據本發明所揭露之技術，利用具有固定電 壓之裝置取代量測電路中之電阻以判斷電池之電壓量是否 下降之電路示意圖。 主要部分之代表符號： 10 二極體 12 電阻 14 電池電壓輸入端 1 6 類比數位轉換裝置 18 訊號輸出端 2 0 接地端 11 0 第一電阻 11 2 第二電阻 11 4 電池電壓端 11 e穩壓裝置 11 8類比數位轉換裝置 1 2 0 訊號輸出端 1 2 2接地端 1 2 4接地端The voltage 1 will decrease as the usage time increases. In order to solve the problem of blood sugar, the measuring device is broken due to insufficient voltage during operation. Therefore, the first resistor is replaced by a diode 1 having a fixed reference voltage. According to Kirchhoff's law of voltage and current, it can be known that when ^ & to 1 circuit, the current through the resistor 1 2 and the diode 10 and the amount of current shunted to the analog-digital converter 丨6 should be == ^Urine one calculation formula Dout=0.7/V(10)*D to get the number of signal output terminal 18', medium 'hut is the value of signal output terminal 18; 0·7 is the solid voltage of diode 1〇; voltage is battery voltage The input terminal 14 is input to the measurement circuit voltage; and D^x is a variable of the analog-to-digital conversion device i 6, the bit is 255, and so on.彳] As shown in Fig. 8, according to the above calculation formula, it can be known that when the battery voltage wheel A(10) 丄4 is reduced, 丄 τ is reduced in eight circuits, and the value of the signal output terminal 丨8 is increased. Since the measuring device can provide a fixed voltage, it is judged whether the amount of the battery is sufficient according to the value of the voltage ί immediately after the signal wheel is compared with the set value of the measuring circuit. The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the invention as claimed in the present invention; any other equivalent changes or modifications made without departing from the disclosure of the present invention, All should be included in the scope of the next patent. I. Application 1275817 BRIEF DESCRIPTION OF THE DRAWINGS The first diagram shows a schematic diagram of a measurement circuit using a conventional blood glucose measurement device, and the second diagram replaces the measurement circuit with a device having a fixed voltage according to the technique disclosed in the present invention. The circuit diagram of the resistance to determine whether the voltage of the battery drops. Representative symbols of the main part: 10 Diode 12 Resistor 14 Battery voltage input terminal 1 6 analog digit conversion device 18 Signal output terminal 2 0 Ground terminal 11 0 First resistor 11 2 Second resistor 11 4 Battery voltage terminal 11 e voltage regulator Device 11 8 analog digital converter 1 2 0 signal output 1 2 2 ground 1 2 4 ground
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