201205086 六、發明說明： 【發明所屬之技術領域】 本發明是有關於-種用電量量測器，特別是指一種電 器計費器。 【先前技術】 現有的用電量量測器是利用變壓器或電磁感應的方式 去感應流經電器的電流，並透過電路運算而顯示目前的使 用電流大小或是消耗功率大小，以供使用者了解電器的用 電狀況’進而受到提醒而節省用電。 然而，對於-般使用者而言，知道電流大小或是消耗 功率大小並不容易清楚了解到相對應的電費量，而必須在 收到電費帳單後，才能夠明確知道所必須缴納的電費，、因 此使現有的用電量量測器在即時提醒使用者節省用電的效 果上相當有限。 【發明内容】 因此’本發明之目的，即在提供一種可以即時顯示電 費的電器計費器。 於是，本發明電器計費器，適用於一電器電連接，包 含-本體、-電流感測單元、一控制單元及一終端單元。 該本體包括-插頭，及至少—供該電器電連接的插座 ，该電流感測單元電連接該插座，並將該電器的一消耗電 流轉換成-感測電壓，該控制單元包括一電連接該電流感 測早疋以將該感測電愿轉換成—數位資訊的轉換模組，及 一電連接該轉換模組且儲存有一電費常數資訊的運算模组 201205086 ’其中’該運算模組處理該數位資訊與電費常數資訊後輸 出一電費資訊’該終端單元包括一電連接該運算模組並顯 示該電費資訊的顯示模組。 本發明之功效在於藉由量測該消耗電流，該運算模組 可將所使用的該電費資訊顯示於顯示模組，以提醒使用者 到目前所需繳納的電費，進而避免過度用電。 【實施方式】 有關本發明之前述及其他技術内容、特點與功效，在 以下配合參考圖式之二個較佳實施例的詳細說明中，將可 清楚的呈現。 參閱圖1、2、3’本發明電器計費器之第一較佳實施例 適用於一電器（圖未示）電連接，該電器計費器包含一本 體2、一電流感測單元3、一控制單元4，及一終端單元5 〇 該本體2包括一插頭21，及一供該電器電連接的插座 22。於本實施例中，該插頭21及該插座22為相對應的二 孔型式’但也可以共同為三孔型式，或是混合型式。 該電流感測單元3電連接該插座22，並將該電器的一 消耗電流I(t)轉換成一感測電壓v(t)。於本實施例中，該電 流感測器3是一種可將通過電流依比例轉換成電壓的換能 器，例如，是利用一電感（圖未示）、一霍爾元件（圖未示 )及一全波整流放大電路（圖未示）組成，透過該電感及 該霍爾元件將該電器的消耗電流Ϊ⑴感應出來之後，送入該 全波整流放大電路轉換成一感測電壓V⑴，當然也可以利用 201205086 半波整流電路達成轉換的目的。 參閱圖1、3、4,該控制單元4包括一電連接該電流感 測單元3以將該感測電壓v⑴轉換成一數位資訊D(n)的轉 換模組41 ’及一電連接該轉換模組41以處理該數位資訊 D(n)並分別輸出一電費資訊B⑷及一警報資訊a⑷的運算 模組42。 該運算模組42儲存有一電費常數資訊43、一隨每一次 處理而產生的單次電費資訊44、一依使用者預期設定的電 費額度資訊45,及一現在時間資訊46，其中，該運算模組 41處理該數位資訊D(n)與電費常數資訊43後輸出該電費資 訊B(n)，當該電費資訊B(n)大於該電費額度資訊45時，該 運算模組42產生該警報資訊A(n)。於本實施例中，該單次 電費資訊44為該感測電壓v⑴每一次轉換後的數位資訊 D⑻及該電費常數資訊43的乘積，該電費資訊B(n)為每一 次的單次電費資訊44的累計和。 忒電費常數資訊43具有一每度電費常數431、一電壓 基準㊉數432,及一轉換常數433,該電費常數資訊43為 上述二種常數的乘積。於本實施例中，該每度電費常數43】 即為每度電所應負擔的金額，是依電力公司的公告值設定 ，该電壓基準常數432是依供電的交流電壓大小（如： 110V或220V)型式而相對應於數值11〇及數值22〇之間擇 一選擇，該轉換常數433為由該數位資訊D(n)轉換為相對 應泫消耗電流i(t)的實際大小的倍率常數，例如：當該數位 資訊D(n)中，數值255代表1〇〇〇〇微安培，則該轉換常數 201205086 433即為10000/255的數值。 次該終端單元5包括一電連接該運算模組42並顯示該電 費貝汛B(n)的顯示模組51，及一電連接該運算模組42並鑿 示該警報資訊A⑷的警報模組52β其中，該顯示模組Η: 有一顯示面板511’及複數安裝於該顯示面板5ιι的按鈕 川。值得說明的是，該顯示面板511可以是一種液晶顯示 面板，或者-種由發光二極體組成的顯示面板，而該警報 模組52可以是—種蜂鳴器，或者將該警報資訊Α(η)傳送仏 其它電子裝置的訊號傳送器，在本實施例中，該顯示面板 511是-種液晶顯示面板’該警報模組52是一種 邀 告音的蜂鳴器。 θ 參閱圖3、4、5,使用時，該電費計費器是以一執行操 作程序運作’該執行操作程序包括下列步驟6i〜68H 612 、 621 及 622 。 步驟61中，透過該顧+ 士 ^ ^ ·.，員模組51設定是否要輸入每度 電費常數431，若要輸入，則 Λ ^ 】於執仃步驟611後執行步驟62 ，若不輸人，則於執行步驟612後執行步驟 步驟二中，於該顯示模組51中輸入該每度 431以供後續使用，並將該 數 f料。 Μ電費讀431設定為.内定的 步驟612中，於該顯 度電費常數431。 …、、、、且51中確認使用内定的該每 費額度資茂45透過^玄顯不模組51設定是否要輸入該電 費額度資讯45，若要輸入， /電 貝J於執行步驟621後執行步驟 201205086 63，若不輸入，則於執彳 執仃步驟022後執行步驟63。 步驟621中，於兮u 45以供後續使用 料。 步驟622中 費額度資訊45。 步驟63中 、Λ.’、、不模組51中輸入該電費額度資訊 並將該電費額度資訊45設定為内定的資 於該顯示模組51中確認使用内定的該電 進行計時，並透：斷=元4的該運算模…始 .... 所更新的該現在時間資訊46對已^- 過的時間進行《，⑽執行步驟64。 已紅經 步驟64中，利用兮& 1秒鐘，若是，則執:步:?5元，^ 。 驟65’W ’職新執行本步驟 該數制單元4的該轉換模…換 隨著累加每—次的該單：^目1 應的該單次電費資訊44,並 資訊Β⑷及該現在時間;訊:…4後’分別輪出該電費 現在口二::顯接收該電 ，於該顯示面⑻及該現在時間資訊 否超控:!元4判斷該電費資訊， 後執行步驟Γ 4 Θ Γ，則於輸出該警報資訊A⑻ 覆更新。右否’則重新執行步驟64而達到週期性反 步驟^中，該警報模組52於接收該警報資訊A⑻後 201205086 輸出警告音，接著重新執行步驟64而達到週期性反覆更新 0 參閱圖6、7 ’本發明的一第二敕祛眘 弟軚佳貫施例是類似於該 第一較佳實施例，其差異之處在於： 該本體2包括一連接延長線的插頭21，及五個供多數 個電器電連接的插座22。於本實施例中，該插頭Μ及該等 插座22為相對應的二孔型式，但也可以共同為三孔型式， 或是混合型式。 、，該電流感測單元3電連接該等插座22，並將該等電器 的消耗電流i(t)於累加後轉換成一感測電壓v⑴。 於步驟65卜所指單次電費資訊44為通過所有插座 22的單次電費資訊總合，而可進—步輸出相對應所有插座 22的電費資訊B(n)。 如此，該第二較佳實施例也可達到與上述第一較佳實 施例相同的目的與功效’並可同時量測多個電器的總電費 綜上所述，藉由量測該消耗電流ιω，該運算模組42 可將所使用的該電費資訊Β(η)顯示於該顯示模組51，以提 醢使用者到目前所需繳納的電費，此外，透過依使用者設 定的電費額度資訊45來判斷是否超過設^的額度，加上該 警報模組52的警告音提醒，讓使用者得知目前用電已超過 預期，進而避免過度用電而產生的超量電費，故確實能達 成本發明之目的。 惟以上所述者，僅為本發明之較佳實施例而已，當不 201205086 能以此限定本發明實施之範圍，即大凡依本發明申請專利 範園及發明說明内容所作之簡單的等效變化與修飾皆仍 屬本發明專利涵蓋之範圍内。 【圖式簡單說明】 圖1是本發明電器計費器的一第一較佳實施例的立體 示意圖； 圖2是該第一較佳實施例的側視圖； 圖3是該第一較佳實施例的系統示意圖； 圖4是該第一較佳實施例的一運算模組的系統資訊圖 9 圖5是該第一較佳實施例的流程圖； 圖6是本發明電器計費器的一第二較佳實施例的立體 示意圖；及 圖7是該第二較佳實施例的系統示意圖。 201205086201205086 VI. Description of the Invention: [Technical Field of the Invention] The present invention relates to a power consumption measuring device, and more particularly to an electronic meter. [Prior Art] The existing power consumption measuring device uses a transformer or electromagnetic induction to sense the current flowing through the electrical device, and displays the current current usage current or power consumption through the circuit operation for the user to understand. The electrical condition of the appliance is further reminded to save electricity. However, for the average user, knowing the current magnitude or the power consumption is not easy to clearly understand the corresponding amount of electricity, but must be aware of the electricity bill that must be paid after receiving the electricity bill. Therefore, the existing power consumption measuring device is quite limited in terms of promptly reminding the user to save power. SUMMARY OF THE INVENTION Therefore, it is an object of the present invention to provide an electric appliance meter capable of displaying a power fee in real time. Therefore, the electrical appliance of the present invention is suitable for electrical connection of an electrical appliance, comprising a body, a current sensing unit, a control unit and a terminal unit. The body includes a plug, and at least a socket electrically connected to the electrical device, the current sensing unit electrically connects the socket, and converts a current consumption of the appliance into a sense voltage, the control unit includes an electrical connection The current sensing device converts the sensing power into a digital information conversion module, and an operation module 201205086 in which the power conversion constant information is electrically connected to the conversion module, wherein the operation module processes the The digital information and the electricity rate constant information are outputted after the electricity tariff information. The terminal unit includes a display module electrically connected to the computing module and displaying the electricity rate information. The function of the present invention is that by measuring the current consumption, the computing module can display the electricity tariff information used in the display module to remind the user of the current electricity fee to be paid, thereby avoiding excessive power consumption. The above and other technical contents, features and effects of the present invention will be apparent from the following detailed description of the preferred embodiments of the invention. Referring to Figures 1, 2, and 3, the first preferred embodiment of the electrical meter of the present invention is applicable to an electrical device (not shown). The electrical meter includes a body 2, a current sensing unit 3, A control unit 4, and a terminal unit 5, the body 2 includes a plug 21, and a socket 22 for electrically connecting the electrical device. In the present embodiment, the plug 21 and the socket 22 are of a corresponding two-hole type, but may also be a three-hole type or a hybrid type. The current sensing unit 3 is electrically connected to the socket 22 and converts a current consumption I(t) of the appliance into a sensing voltage v(t). In the embodiment, the current sensor 3 is a transducer capable of proportionally converting a current into a voltage, for example, using an inductor (not shown), a Hall element (not shown), and a full-wave rectifying and amplifying circuit (not shown) is configured to sense the current consumption Ϊ(1) of the electric device through the inductor and the Hall element, and then input the full-wave rectifying amplifying circuit to convert into a sensing voltage V(1), of course, Use the 201205086 half-wave rectifier circuit to achieve the purpose of conversion. Referring to Figures 1, 3 and 4, the control unit 4 includes a conversion module 41' electrically connected to the current sensing unit 3 to convert the sensing voltage v(1) into a digital information D(n) and an electrical connection to the conversion module. The group 41 processes the digital information D(n) and outputs a power rate information B(4) and an alarm information a(4) respectively. The computing module 42 stores a power rate constant information 43, a single power rate information 44 generated by each processing, an electricity rate information 45 set by the user, and an current time information 46, wherein the operation mode The group 41 processes the digital information D(n) and the electricity rate constant information 43 and outputs the electricity rate information B(n). When the electricity rate information B(n) is greater than the electricity rate information 45, the operation module 42 generates the alarm information. A(n). In this embodiment, the single electricity rate information 44 is the product of the digital information D(8) and the electricity rate constant information 43 after each conversion of the sensing voltage v(1), and the electricity rate information B(n) is a single electricity rate information for each time. The cumulative sum of 44. The charge rate constant information 43 has a power rate constant 431 per degree, a voltage reference number 432, and a conversion constant 433, which is the product of the above two constants. In this embodiment, the electricity rate constant per degree 43] is the amount that should be borne per kilowattage, and is set according to the power company's announcement value, which is based on the AC voltage of the power supply (eg, 110V or 220V) type and corresponding to the value 11〇 and the value 22〇, the conversion constant 433 is the rate constant converted from the digital information D(n) to the actual size of the corresponding current consumption i(t) For example, when the value 255 represents 1 〇〇〇〇 microamperes in the digital information D(n), the conversion constant 201205086 433 is a value of 10000/255. The terminal unit 5 includes a display module 51 electrically connected to the computing module 42 and displaying the electric billet B(n), and an alarm module electrically connected to the computing module 42 and chiming the alarm information A(4). 52β, wherein the display module Η: has a display panel 511 ′ and a plurality of buttons installed on the display panel 5 ι. It should be noted that the display panel 511 may be a liquid crystal display panel or a display panel composed of a light emitting diode, and the alarm module 52 may be a buzzer or the alarm information may be η) The signal transmitter of the other electronic device is transmitted. In the embodiment, the display panel 511 is a liquid crystal display panel. The alarm module 52 is a buzzer for an invitation sound. θ Referring to Figures 3, 4, and 5, in use, the electricity rate meter operates as an execution operating program. The execution operation program includes the following steps 6i to 68H 612, 621, and 622. In step 61, the member module 51 sets whether to input the electricity rate constant 431 per degree. If it is to be input, then Λ ^ 】 after performing step 611, step 62 is performed, if not input Then, after performing step 612, step 2 is performed, and the degree 431 is input into the display module 51 for subsequent use, and the number is f. The power charge reading 431 is set to the default step 612, and the power rate constant 431 is displayed. In the case of ..., , , and 51, it is confirmed that the default amount of the quota is used. The module 51 sets whether or not to input the electricity rate information 45. To input, perform the step 621. After the step 201205086 63 is executed, if not, the step 63 is executed after the execution of the step 022. In step 621, 兮u 45 is used for subsequent use. In step 622, the fee information 45 is used. In step 63, the electric power fee information is input into the module 51, and the electricity rate information 45 is set as the default capital for the display module 51 to confirm the use of the predetermined electricity, and the following: The operation mode of the break = element 4 is... The updated current time information 46 is performed on the time that has passed, and (10) is executed in step 64. Red has passed in step 64, using 兮 & 1 second, and if so, then: step: ? 5 yuan, ^. Step 65 'W' job newly executed this step of the conversion module of the number system unit 4...substitute the accumulation of each time the order: ^目1 should be the single electricity tariff information 44, and information Β (4) and the current time ; News: ... after 4 'round the electricity bill, now the second two:: display the power, on the display surface (8) and the current time information is over-control: ! yuan 4 to determine the electricity fee information, after the implementation steps Γ 4 Θ Γ, then update the alarm information A (8). If the right is no, then step 64 is re-executed to reach the periodic reverse step. The alarm module 52 outputs a warning tone after receiving the alarm information A(8), and then repeats step 64 to reach the periodic update 0. Referring to FIG. 7' The second embodiment of the present invention is similar to the first preferred embodiment, and the difference is that the body 2 includes a plug 21 for connecting an extension cord, and five for Most of the electrical outlets are electrically connected to the socket 22. In this embodiment, the plug and the socket 22 are of a corresponding two-hole type, but may also be a three-hole type or a hybrid type. The current sensing unit 3 is electrically connected to the sockets 22, and the current consumption i(t) of the appliances is accumulated and converted into a sensing voltage v(1). The single electricity bill information 44 indicated in step 65 is a sum of the single electricity bill information through all the outlets 22, and the electricity bill information B(n) corresponding to all the outlets 22 can be further outputted. Thus, the second preferred embodiment can achieve the same purpose and function as the first preferred embodiment described above, and can simultaneously measure the total electricity cost of a plurality of appliances, by measuring the current consumption ιω The computing module 42 can display the electricity tariff information η(η) used in the display module 51 to improve the electricity fee that the user needs to pay at present, and further, through the electricity fee amount set by the user. 45 to determine whether the quota exceeds the setting, plus the warning tone reminder of the alarm module 52, so that the user knows that the current power consumption has exceeded expectations, thereby avoiding excessive electricity consumption caused by excessive power consumption, so it can be achieved The object of the invention. However, the above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited by 201205086, that is, the simple equivalent change of the patent application and the description of the invention according to the present invention. And modifications are still within the scope of the invention. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a first preferred embodiment of an electrical meter of the present invention; FIG. 2 is a side view of the first preferred embodiment; FIG. 3 is a first preferred embodiment. FIG. 4 is a system diagram of a computing module of the first preferred embodiment. FIG. 5 is a flow chart of the first preferred embodiment. FIG. 6 is a diagram of an electrical meter of the present invention. A perspective view of a second preferred embodiment; and Figure 7 is a schematic view of the system of the second preferred embodiment. 201205086
【主要元件符號說明】 2…… …·本體 5 .......... ‘終端單元 21 ·..·· …·插頭 51......... •顯示模組 22·...· —插座 511 ....... •顯示面板 3…… •…電流感測單元 512....... 4…… •…控制單元 52......... 警報模組 41 ···.. •…轉換模組 61 〜6 8 — 執行操作程序 42·.·.· •…運算模組 611〜612 執行操作程序 43·.... •…電費常數資訊_ 621〜622執行操作程序 431 ··· •…每度電費常數 I⑴…… 消耗電>;IL· 432… •…電壓基準常數 V⑴…… 感測電壓 433… •…轉換常數 D(n)…… 數位資訊 44·.··. •…單次電費資訊 B(n)…… 電費資訊 45··.·. •…電費額度資訊 A(n)…… 警報資訊 46···.. 現在時間貢sfL 10[Explanation of main component symbols] 2...... ...· Body 5 .......... 'Terminal unit 21 ·..····Plug 51......... •Display module 22 ··· — Socket 511 ....... • Display panel 3... •... Current sensing unit 512....... 4... •... Control unit 52....... .. Alarm Module 41 ···.. •...Conversion Modules 61 to 6 8 — Execution of Operation Programs 42·······... Operation Modules 611 to 612 Execution of Operation Procedures 43·.... Constant information _ 621 to 622 execution operation program 431 ··· • ... electricity cost constant I (1) ...... power consumption >; IL · 432... • ... voltage reference constant V (1) ... sense voltage 433 ... • ... conversion constant D ( n)...... Digital Information 44·.··. •...Single electricity bill information B(n)... Electricity bill information 45··.·. •...Electricity fee information A(n)... Alert information 46···. Now time tribute sfL 10