發明說明： 【發明所屬之技術領域】 右Πίϊ關於一種車輛頭燈自動控制裝置，特別是 2於-種可有效降低車輛電力消耗之車輛頭燈自動控制 【先前技術】[Description of the Invention] [Technical Field of the Invention] The present invention relates to an automatic control device for a vehicle headlight, and more particularly to an automatic control of a vehicle headlight which can effectively reduce power consumption of a vehicle. [Prior Art]
了般來說’習知之車輛頭燈自動㈣方式大致上可區 /7 以下數種.依照環境的暗明程度來開啟或關閉頭燈、 依照電源開關位置來開啟或關閉頭燈、以及依照引擎發 或停止狀況來開啟或關閉頭燈。 Χ 一就依照環境的暗_度來開啟或關_燈之控制方 而δ，其可旎會發生白天沒有開啟頭燈之情形。 就依照電源開關位置來開啟或關閉頭燈之控制方式而 言’其會在電源開關開啟後就開啟頭燈。然而，倘若此 引擎並未發動，則被開啟的頭燈會消耗電瓶 ，Generally speaking, the conventional vehicle headlights automatically (four) can be roughly divided into seven types. The headlights are turned on or off according to the degree of darkness of the environment, the headlights are turned on or off according to the position of the power switch, and the engine is turned on and off. Start or stop the condition to turn the headlights on or off. Χ Depending on the darkness of the environment, it turns on or off the control side of the light, and δ, which can cause the headlights to be turned off during the day. In the control mode of turning the headlights on or off according to the position of the power switch, it will turn on the headlights after the power switch is turned on. However, if the engine is not started, the turned-on headlights will consume the battery.
就^照引擎發動或停止狀況來開啟或關閉頭燈之控制 方式而言，其頭燈開啟可能會在卓輛之引擎處於怠速運 時發生-些問題。更具體而言，由於引擎在怠速運轉時之 轉速較低，故電瓶之充電量會很有限。此時，開啟頭 會消耗電瓶中的電力。此外，倘若需以增大發電量來 耗電的問題，則可能又會造成引擎轉速不穩的問題。、 【發明内容】 本發明基本上採用如下所詳述之特徵以為了要解決上 述之問題。也就是說’本發明包括一電源；一第一頭产. 1374816 一第二頭燈；一電源開關，具有一第一端點及一第二端點， 其中，該第一端點係連接於該電源之正極；一切換開關， 具有一第三端點、一第四端點及一第五端點，其中，該第 三端點係連接於該電源開關之該第二端點，並且係選擇性 連接於該第四端點或該第五端點；一第一繼電器，具有一 第一激磁線圈及一第一激磁開關，其中，該第一激磁線圈 係相對於該第一激磁開關，並且具有一第一輸入端點及一 第一輸出端點，該第一輸入端點係連接於該切換開關之該 Φ 第四端點，以及該第一激磁開關係連接於該電源之正極與 該第一頭燈之間，並且係藉由該第一激磁線圈之激磁操作 而閉合；一第二繼電器，具有一第二激磁線:圈及一第二激 磁開關，其中，該第二激磁線圈係相對於該第二激磁開關， 並且具有一第二輸入端點及一第二輸出端點，該第二輸入 端點係連接於該切換開關之該第五端點，以及該第二激磁 開關係連接於該電源之正極與該第二頭燈之間，並且係藉 由該第二激磁線圈之激磁操作而閉合；以及一控制單元， 連接於該第一激磁線圈之該第一輸.出端點以及該第二激磁 ® 線圈之該第二輸出端點，係用·以控制該第一激磁線圈以及 該第二激磁線圈之激磁操作。 同時，根據本發明之車輛頭燈自動控制裝置，該控制 單元係根據一引擎轉速訊號控制該第一激磁線圈以及該第 二激磁線圈之激磁操作。 又在本發明中，該控制單元係根據一油門開度訊號控 制該第一激磁線圈以及該第二激磁線圈之激磁操作。 又在本發明中，該第一頭燈係為一近光頭燈，以及該 第二頭燈係為一遠光頭燈。 5 1374816 為使本發明之上述目的、特徵和優點能更明顯易懂， 下文特舉較佳實施例並配合所附圖式做詳細說明。 【實施方式】 茲配合圖式說明本發明之較佳實施例。 請參閱第1圖，本實施例之車輛頭燈自動控制裝置100 可應用於一般汽車或機車之中，並且其主要包括有一電源 110' —第一頭燈121、一第二頭燈122、一電源開關130、 一切換開關140、一第一繼電器150、一第二繼電器160及 一控制單元170。 在本實施例之中，第一頭燈121可以是一近光頭燈， 而第二頭燈122可以是一遠光頭燈。 電源開關130具有一第一端點131及一第二端點132。 第一端點131是連接於電源110之正極。在此，電源110 可以是一電瓶。 切換開關140具有一第三端點143、一第四端點144 及一第五端點145。第三端點143是連接於電源開關130 之第二端點132，並且第三端點143是選擇性連接於第四 端點144或第五端點145。在此，切換開關140乃是用來 切換第一頭燈121或第二頭燈122之運作。 第一繼電器150具有一第一激磁線圈151及一第一激 磁開關152。第一激磁線圈151是相對於第一激磁開關 152，並且第一激磁線圈151具有一第一輸入端點151a及 一第一輸出端點151b。第一輸入端點151a是連接於切換 開關140之第四端點144。第一激磁開關152是連接於電 源110之正極與第一頭燈121之間。在此，第一激磁開關 1374816 一頭燈121運作之方式完全相同，故在此省略其重複之說 明。 如上所述，在車輛頭燈自動控制裝置100之中，由於 第一頭燈121或第二頭燈122之開啟或運作是根據引擎轉 速值（或油門開度值）來被進行，故可有效節省電源110之 電力消耗，進而還可有效提升引擎運轉時之穩定性。 雖然本發明已以較佳實施例揭露於上，然其並非用以 限定本發明，任何熟習此項技藝者，在不脫離本發明之精 神和範圍内，當可作些許之更動與潤飾，因此本發明之保 護範圍當視後附之申請專利範圍所界定者為準。 1374816 【圖式簡單說明】 第1圖係顯示本發明之車輛頭燈自動控制裝置之示意 【主要元件符號說明 100〜車輛頭燈自動控制裝置 110〜電源 121〜第一頭燈 130〜電源開關 132〜第二端點 143〜第三端點 145〜第五端點 1:51〜第一激磁線圈 151b〜第一輸出端點 160〜第二繼電器 16 la〜第二輸入端點 162〜第二激磁開關 122〜第二頭燈 131〜第一端點 140〜切換開關 144〜第四端點 150〜第一繼電器 151a〜第一輸入端點 152〜第一激磁開關 161〜第二激磁線圈 161b〜第二輸出端點 170〜控制單元In terms of how the engine is turned on or off to turn the headlights on or off, the headlights may be turned on when the engine is at idle. More specifically, since the engine is running at a lower speed during idle operation, the battery charge amount is limited. At this point, turning on the head consumes power from the battery. In addition, if you need to increase the amount of power generated to consume electricity, it may cause instability of the engine speed. SUMMARY OF THE INVENTION The present invention basically employs the features detailed below in order to solve the above problems. That is, the present invention includes a power source; a first head product. 1374816 a second headlight; a power switch having a first end point and a second end point, wherein the first end point is connected to a positive pole of the power source; a switch having a third end point, a fourth end point, and a fifth end point, wherein the third end point is connected to the second end point of the power switch, and Optionally connected to the fourth end point or the fifth end point; a first relay having a first excitation coil and a first excitation switch, wherein the first excitation coil is opposite to the first excitation switch And having a first input end point and a first output end point, wherein the first input end point is connected to the Φ fourth end point of the switch, and the first excitation open relationship is connected to the positive pole of the power source Between the first headlights, and closed by the excitation operation of the first excitation coil; a second relay having a second excitation line: a coil and a second excitation switch, wherein the second excitation coil Relative to the second excitation switch, and a second input end point and a second output end point, the second input end point is connected to the fifth end point of the switch, and the second excitation open relationship is connected to the positive pole of the power source and the second Between the headlights, and being closed by the excitation operation of the second excitation coil; and a control unit connected to the first output terminal of the first excitation coil and the second excitation coil The second output terminal is used to control the excitation operation of the first excitation coil and the second excitation coil. Meanwhile, according to the vehicle headlight automatic control device of the present invention, the control unit controls the exciting operation of the first exciting coil and the second exciting coil in accordance with an engine speed signal. In the present invention, the control unit controls the excitation operation of the first excitation coil and the second excitation coil according to an accelerator opening signal. In still another aspect of the invention, the first headlight is a near-head light, and the second headlight is a high-beam headlight. The above described objects, features and advantages of the present invention will become more apparent from the description of the appended claims. [Embodiment] A preferred embodiment of the present invention will be described with reference to the drawings. Referring to FIG. 1 , the vehicle headlight automatic control device 100 of the present embodiment can be applied to a general automobile or a locomotive, and mainly includes a power source 110 ′—a first headlight 121 , a second headlight 122 , and a first headlight 121 . The power switch 130, a switch 140, a first relay 150, a second relay 160, and a control unit 170. In this embodiment, the first headlight 121 can be a low-head light, and the second head light 122 can be a high-beam headlight. The power switch 130 has a first end point 131 and a second end point 132. The first terminal 131 is connected to the anode of the power source 110. Here, the power source 110 can be a battery. The switch 140 has a third end point 143, a fourth end point 144, and a fifth end point 145. The third endpoint 143 is coupled to the second endpoint 132 of the power switch 130, and the third endpoint 143 is selectively coupled to the fourth endpoint 144 or the fifth endpoint 145. Here, the changeover switch 140 is used to switch the operation of the first headlight 121 or the second headlight 122. The first relay 150 has a first exciting coil 151 and a first exciting switch 152. The first exciting coil 151 is opposite to the first exciting switch 152, and the first exciting coil 151 has a first input terminal 151a and a first output terminal 151b. The first input terminal 151a is coupled to a fourth terminal 144 of the switch 140. The first field switch 152 is connected between the anode of the power source 110 and the first headlight 121. Here, the first excitation switch 1374816 has a lamp 121 operating in exactly the same manner, and the repeated description thereof is omitted here. As described above, in the vehicle headlight automatic control device 100, since the opening or operation of the first headlight 121 or the second headlight 122 is performed based on the engine speed value (or the accelerator opening value), it is effective. The power consumption of the power source 110 is saved, thereby further improving the stability of the engine during operation. Although the present invention has been disclosed in its preferred embodiments, it is not intended to limit the present invention, and it is possible to make some modifications and refinements without departing from the spirit and scope of the present invention. The scope of the invention is defined by the scope of the appended claims. 1374816 [Simple description of the drawings] Fig. 1 is a schematic diagram showing the automatic control device for the vehicle headlight of the present invention. [Main component symbol description 100~ Vehicle headlight automatic control device 110~ Power supply 121~ First headlight 130~ Power switch 132 ~ second end point 143 ~ third end point 145 ~ fifth end point 1: 51 ~ first excitation coil 151b ~ first output end point 160 ~ second relay 16 la ~ second input end point 162 ~ second excitation The switch 122 to the second headlight 131 to the first end point 140 to the changeover switch 144 to the fourth end point 150 to the first relay 151a to the first input end point 152 to the first excitation switch 161 to the second excitation coil 161b to the first Two output terminals 170 to control unit