M421504 五、新型說明： 【新型所屬之技術領域】 本創作係有關於電表，尤沪一 被開啟之電表。 尤^種可即時伯測蓋體是否 【先前技術】 電表係用來測量耗電量的儀器，並提供電力公司可根 =電表所顯示的度數進行電費計算，請參見圖“斤 =之電表，其主要結構係於一電表本體3〇上罩設有— 皿體40 ’該電表本體3〇内 η又有感應το件（圖中未示），當 :電流通過電表本體30内部的感應元件時，會改變電表所 員不的度數，請參見圖7 所不&電表本體30底緣突 的突環31’該突環31間隔凹設有複數凹槽& 2肢4Q底端的内侧面間隔突伸有複數對應於該凹槽32 =板Μ，该蓋體4〇係以卡板41穿過凹槽&後並㈣ 角使卡板41抵於突環31下方，蓋體4〇與電表本體 後侍相互定位。 寡由=電表所顯示的度數的高低係直接影響電費的多 2達故常有不肖人士會想盡辦法使電表的度數不正常改變 带、到竊電目的，目前常見之竊電方式係將蓋體4〇相對於 :表本體30旋轉，使蓋體4〇之卡板41對應並穿出於電 、 之凹槽32，蓋體4〇與電表本體3〇可相互 進而對電表太 ^ 电衣本體3〇内部的感應元件進行破壞，或於電表本 0内4加裳電子零件以干擾感應元件正常運轉。 不肖人士竊電’請配合參見圖9所示，進一步 3 M421504 於電表本體30内部所設之電路板33上間隔設有一發光器 34及一接收器35,並於蓋體40朝向電路板33的内側面設 有-金屬板50’該金屬板50具有可反射紅外線的表面並相 對應位於該發光器34與該接收器35之間的中央位置發 光器34所發出的紅外線會射向金屬板5〇並經反射後被接 ◎ 35接收’當有不肖人士欲將蓋體40相對於電表本體 3〇旋轉以開蓋時’發光器34發出的紅外線將不再射向金屬 板50,而會射向以塑谬材質製成的蓋體4〇的内側面，由於 塑膠製蓋體40的表面其反射光線的效果較金屬板5〇表面 反射的效果為差’因此蓋體4〇相對於電表本體扣旋轉時， 接收器35接收到的紅外線能量會減弱，接收器％在接收 到較低的紅外線能量時，便會送出訊號至電力公司，藉此 達到偵測有人企圖將蓋體4〇與電表本體3〇分離之目的。 '然而，上述之可偵測開蓋之電表於實際使用時存在有 以下的缺點：由於金屬板5〇的設置必須於蓋體4〇成型後 才：以進行，因而增加製程步驟，使生產效率無法提升， 且叹置金屬板5G會提高材料成本而不符經濟效益，故有待 【新型内容】 有鏗於前述現有技街之她 ,^ ?之缺·，·έ，本創作之目的係在於提 供—種電表，藉由 衣精由於盖體的内側面設計有一反射區，該反 射區與其周圍的表面分別為不同的表面處自，以達到提供 反射紅外線並可簡化製程及降低製作成本之目的。’、 為達到前述之創作目 包括有一電表本體以及一 的’本創作所設計之電表，其係 蓋體，其中：該電表本體内部設 M421504 有一電路板，該電路板上間隔設有一發光器及一接收器. 該蓋體係罩設於電表本體上’蓋體朝向電路板的内側 面形成有一反射區’該反射區為一可反射紅外線的表面， 反射區與其周圍的表面分別為不同的表面處理，反射區對 應於該發光器與該接收器之間的中央位置，發光器發出的 紅外線會射向反射區並經反射後被接收器所接收。 所述之電表’其中該蓋體的反射區為光滑平面，其周 圍的蓋體壁面設計為咬花面。 所述之電表’其中該蓋體的表面為光滑平面，而用以 反射紅外線的反射區設計為咬花面。 所述之電表，其中：該電表本體底緣突伸有一環形的 突環，該突環間隔凹設有複數凹槽；該蓋體底端的内側面 間隔突伸有複數對應於該凹槽的卡板，該蓋體係以卡板穿 過凹槽後並旋轉一角度’使卡板抵於突環下方，藉此蓋體 與電表本體可相互定位。 本創作所提供之電表’可以獲得的優點及功效增進至 少包括：利用蓋體之反射區與其周圍分別為不同的表面處 理取代現有技術之於蓋體上設置金屬板，反射區係在成型 蓋體時即同時形成，故本創作相較於現有技術具有簡化製 程以及降低材料成本之優點，進而可達成提升生產效率之 目的。 【實施方式】 請參見圖1至3所示，本創作之電表，其係包括有一 電表本體10以及一蓋體20，其中： 該電表本體10内部設有一電路板11，該電路板11上 5 M421504 間隔設有一發光器12及一接收器13，該電表本體，〇内部 之组成構件均為現有技術，故不再詳加描述； 該蓋體20係罩設於電表本體10上，蓋體2〇朝向電路 板11的内側面形成有一反射區21,該反射區21為一可反 射紅外線的表面，反射區21與其周圍的表面分別為不同的 表面處理，使反射區21與其周圍的表面分別具有不同的反 射光線的能力及效果，反射區21對應於該發光器12與該 接收器13之間的中央位置，發光器12發出的紅外線會射 向反射區21並經反射後被接收器1 3所接收； 於圖中所示的第一實施例，該蓋體20的反射區21為 光滑平面，其周圍的蓋體20壁面設.計為咬花面；請參見圖 5所示，於圖中所示的第二實施例，該蓋體2〇A的表面為 光滑平面，其中做為用以反射紅外線的反射區2彳A設計為 咬花面； 該電表本體1 0與該蓋體20的結合方式與現有技術相 同，即该電表本體1 〇底緣突伸有一環形的突環】4，該突環 14間隔凹設有複數凹槽15，該蓋體2〇底端的内側面間隔 突伸有複數對應於該凹槽15的卡板22(如圖4所示），該蓋 體20係以卡板22穿過凹槽15後並旋轉一角度，使卡板 22抵於突環14下方，藉此蓋體2〇與電表本體]〇可相互 定位》 請參見圖4所示’在蓋體20相對於電表本體1〇旋轉 以開蓋時，蓋體20之反射區21將不再對應於發光器12與 接收器1 3之間的十央位置，使得發光器彳2發出的紅外線 不再射向反射區21’而是射向反射區21周圍的表面，由於 田、广 ' 广與其周圍的表面分別具有不同的反射光線的效 Z ’故蓋體20相對於電表本體1G旋轉時，接收器13所接 到的紅外線能量會改變，接收器13在接收到不同能量大 笔、=外線時，便會送出訊號至電力公司，藉此達到谓測 5是否企圖被開啟之目的，又接收器13可根據反射 與其周圍表面的反射光線效果的差異，設定接收到的 、.外線能量的臨界值，冬接此哭 田接收益13接收到的紅外線能量超 5 &於該臨界值時，即可發出訊號至電力公司。 本創作之反射區21係在成型蓋體2〇時即同時形成， ::簡化製程以及降低材料成本之優點，並 生產效率。 【圖式簡單說明】 圖1係本創作之立體外觀圖。 圖2係本創作之俯視圖。 圖3係本創作之局部剖面圖。M421504 V. New description: [New technical field] This creation is about the electric meter, the electric meter that was opened by You Huyi. Is it possible to use the current test panel? [Prior Art] The meter is used to measure the power consumption of the instrument, and provides the electricity company can calculate the electricity rate based on the degree displayed by the meter. Please refer to the figure "Jian = the meter, The main structure of the electric meter body 3 is covered with a dish body 40'. The electric meter body 3 has an induction τ (not shown) when the current passes through the sensing element inside the electric meter body 30. , will change the degree of the meter is not the same, please refer to Figure 7 does not & meter body 30 bottom edge of the protruding ring 31 'the ring 31 is recessed with a plurality of grooves & 2 limb 4Q bottom end of the inner side spacing A plurality of protrusions corresponding to the groove 32 = plate Μ, the cover body 4 is fastened by the card plate 41 through the groove & and (4) the angle of the card plate 41 against the collar 31, the cover body 4 and the electric meter The main body is positioned next to each other. The degree of the degree displayed by the meter = directly affects the electricity cost of 2, so often people who are unscrupulous will try their best to make the meter's degree abnormally change the belt, to steal the purpose, the current common steal The electric method rotates the cover 4 〇 relative to the watch body 30 to make the cover body The card board 41 corresponding to and through the recess 32, the cover body 4〇 and the meter body 3〇 can mutually destroy the induction element inside the electric meter body 3〇, or the meter In the case of 0, the electronic components are interspersed to interfere with the operation of the sensing element. The invisible person steals electricity. Please refer to FIG. 9 again. Further, 3 M421504 is provided with an illuminator 34 and a circuit board 33 disposed on the internal circuit board 30. The receiver 35 is provided with a metal plate 50' on the inner side of the cover 40 facing the circuit board 33. The metal plate 50 has a surface that reflects infrared rays and is correspondingly located between the illuminator 34 and the receiver 35. The infrared ray emitted by the position illuminator 34 is emitted toward the metal plate 5 〇 and is reflected and then connected ◎ 35 to receive 'when there is a person who wants to rotate the cover 40 relative to the electric meter body 3 to open the cover illuminator 34 The infrared rays will no longer be incident on the metal plate 50, but will be directed toward the inner side surface of the cover body 4 made of plastic material, and the surface of the plastic cover body 40 reflects light more than the surface of the metal plate 5 The effect is poor' so the cover is 4 When the meter body is rotated, the infrared energy received by the receiver 35 is weakened, and the receiver % sends a signal to the power company when receiving the lower infrared energy, thereby detecting that someone attempts to cover the cover 4 〇The purpose of separation from the meter body 3〇. 'However, the above-mentioned meter capable of detecting the open cover has the following disadvantages in practical use: since the setting of the metal plate 5〇 must be formed after the cover body 4 is formed: Carrying on, thus increasing the process steps, so that the production efficiency can not be improved, and slamming the metal plate 5G will increase the material cost and not be economical, so it is waiting for [the new content] to be contrary to the aforementioned existing technology street, the lack of ·έ, the purpose of this creation is to provide an electric meter. Since the inner surface of the cover body is designed with a reflective area, the reflective area and the surrounding surface are respectively different surfaces to provide reflective infrared rays. Simplify the process and reduce the cost of production. In order to achieve the foregoing, the invention includes an electric meter body and an electric meter designed by the present invention, which is a cover body, wherein: the electric meter body has a circuit board M421504 having a circuit board, and an illuminator is arranged on the circuit board. a cover system is disposed on the electric meter body. The cover body is formed with a reflection area toward the inner side surface of the circuit board. The reflection area is a surface that reflects infrared rays, and the reflection area and the surrounding surface are respectively different surface treatments. The reflection area corresponds to a central position between the illuminator and the receiver, and the infrared ray emitted by the illuminator is incident on the reflection area and is reflected and received by the receiver. In the electric meter, the reflecting area of the cover is a smooth plane, and the wall surface of the cover is designed as a biting surface. In the electric meter, the surface of the cover is a smooth plane, and the reflective area for reflecting infrared rays is designed as a bite surface. In the electric meter, the bottom edge of the main body of the electric meter protrudes with an annular protruding ring, and the protruding ring is recessed with a plurality of grooves; the inner side of the bottom end of the cover protrudes with a plurality of cards corresponding to the groove. The cover system is configured such that the cover plate and the electric meter body are mutually positionable by the card plate passing through the groove and rotating at an angle 'to make the card plate under the collar. The advantages and enhancements that can be obtained by the electric meter provided by the present invention include at least: using a surface treatment different from the surrounding area of the cover body to replace the prior art, instead of the prior art, the metal plate is disposed on the cover body, and the reflection area is formed on the molded cover body. At the same time, it is formed at the same time, so the present invention has the advantages of simplifying the process and reducing the material cost compared with the prior art, thereby achieving the purpose of improving production efficiency. [Embodiment] Referring to Figures 1 to 3, the electric meter of the present invention comprises an electric meter body 10 and a cover body 20, wherein: the electric meter body 10 is internally provided with a circuit board 11 on which the circuit board 11 is The M421504 is provided with an illuminator 12 and a receiver 13. The components of the internal body of the electric meter are all prior art, and therefore are not described in detail. The cover 20 is disposed on the electric meter body 10, and the cover body 2 is covered. A reflective area 21 is formed on the inner side of the circuit board 11, and the reflective area 21 is a surface that reflects infrared rays. The reflective area 21 and its surrounding surface are respectively treated with different surface treatments, so that the reflective area 21 and the surrounding surface thereof respectively have Different reflections of the light and the effect, the reflection area 21 corresponds to the central position between the illuminator 12 and the receiver 13, the infrared ray emitted by the illuminator 12 will be directed to the reflection area 21 and reflected by the receiver 13 Received; in the first embodiment shown in the figure, the reflective area 21 of the cover 20 is a smooth plane, and the wall surface of the cover 20 around it is set as a bite surface; see FIG. The second one shown in For example, the surface of the cover 2A is a smooth plane, and the reflective area 2A for reflecting infrared rays is designed as a bite surface; the combination of the electric meter body 10 and the cover 20 is the same as the prior art. That is, the bottom surface of the electric meter body 1 has an annular protruding ring 4, and the protruding ring 14 is recessed and provided with a plurality of grooves 15. The inner side of the bottom end of the cover body 2 is protruded with a plurality corresponding to the concave portion. The card body 22 of the slot 15 (shown in FIG. 4), the cover body 20 is rotated by an angle after the card board 22 passes through the recess 15, so that the card board 22 abuts against the underside of the collar 14, whereby the cover body 2 〇 and the meter body 〇 can be positioned relative to each other ” See FIG. 4 'When the cover 20 is rotated relative to the meter body 1 以 to open the cover, the reflective area 21 of the cover 20 will no longer correspond to the illuminator 12 and receive The ten-position between the devices 13 causes the infrared ray emitted from the illuminator 不再2 to no longer be directed toward the reflective region 21' but to the surface around the reflective region 21, since the fields and the surrounding areas are different from the surrounding surfaces. The effect of the reflected light Z', when the cover 20 is rotated relative to the meter body 1G, the infrared received by the receiver 13 The line energy will change. When the receiver 13 receives the different energy and the external line, it will send the signal to the power company, thereby achieving the purpose of whether the test 5 is attempted to be turned on, and the receiver 13 can be based on the reflection and its surroundings. The difference in the reflected light effect of the surface, set the critical value of the received external energy, and the infrared energy received by the crying field receiving benefit 13 exceeds 5 & at this critical value, the signal can be sent to the power company. . The reflective area 21 of the present invention is formed at the same time when the cover body 2 is formed, :: the advantages of simplifying the process and reducing the material cost, and the production efficiency. [Simple description of the drawing] Figure 1 is a three-dimensional appearance of the creation. Figure 2 is a top view of the creation. Figure 3 is a partial cross-sectional view of the present creation.
圖4係本創作之另一狀態俯視圖。 圖5係本創作另一實施例之局部剖面圖 圖6係現有技術之立體外觀圖。 圖7係現有技術之俯視圖。 圖8及9係現有技術之局部剖面圖。 【主要元件符號說明】 11電路板 13接收器 15凹槽 10、10Α電表本體 12發光器 14突環 7 M421504 20 、20A蓋體 21 22 卡板 30 31 突環 32 33 電路板 34 35 接收器 40 41 卡板 50 21A反射 電表本體 凹槽 發光器 盖體 金屬板Figure 4 is a top view of another state of the present creation. Figure 5 is a partial cross-sectional view showing another embodiment of the present invention. Figure 6 is a perspective view of the prior art. Figure 7 is a top plan view of the prior art. 8 and 9 are partial cross-sectional views of the prior art. [Main component symbol description] 11 circuit board 13 receiver 15 recess 10, 10 Α meter body 12 illuminator 14 protruding ring 7 M421504 20, 20A cover 21 22 card board 30 31 protruding ring 32 33 circuit board 34 35 receiver 40 41 card board 50 21A reflective meter body groove illuminator cover metal plate