200945725 九、發明說明： 【發明所屬之技術領域】 一種太陽能照明系統之電能控制電路，尤其是指一種於 太陽能照明系統中判斷蓄電量而調節點燈功率之電路。 【先前技術】 在能源逐漸匮乏且環境保護成為燃眉之急的時代下，使 用太陽能板發電成為推廣利用的替代來源之一，且太陽能板 得以搭配高儲電量的蓄電池而有彈性的運用太陽能產生之電 力；其中，太陽能發電可利用於公共照明，部份公共照明設 〇 備因白日長時曝曬在日光下，若裝設太陽能板可擷取不少電 能’並利用蓄電池儲存電力，且更利用一計時控制器預先設 定曰出後關燈儲能之時間，以及日落後使用電力點燈之時 間，使該公共照明設備得以每日規律的在白日與夜晚分別執 行蓄能與點燈之週期，以令公共照明設備善用環保之能源； 然而上述習知架構具有太陽能發電先天之障礙，當天氣不佳 時太陽能板即充分吸收陽光而有效發電，造成蓄電池於白曰 充電量低於設計時之理想值，夜晚期間蓄電池仍需釋出電能 點燈’若連續數曰天候不佳，則使蓄電池電量不斷下降，造 成夜間時無法正常點燈或中途熄滅，產生公共安全問題；再 ° 者，若長期天候木佳使蓄電池時常維持於低電量，將明顯縮 短該蓄電池之有效壽命’耗費大量維修與保養的成本；如上 所述，在習知技術中利用公共照明設備之太陽能照明系統並 未具有改善如此缺失之機制’造成推廣之困難或使用上經费 之損耗。 【發明内容】 如先前技術所述’習知的太陽能照明系統僅利用計時控 制器在固定之日落時段以固定之輸出功率點燈，造成天候影 響照明系統壽命之缺失’因而本發明之目的即在於提供一控 制電路設計’使該照明系統在點燈時段中可依據太陽能板發 200945725 電量而調整輸出功率，進而減緩天候不佳對該太陽能照明系 統之損耗。 本發明為一種太陽能照明系統之電能控制電路’該太陽 能照明系統包含至少一太陽能板連接一充電控制器，藉此對 至少一蓄電池充電，且由一電能控制電路控制一驅動單元之 取得蓄電池提供之儲蓄電力而點亮至少一燈泡組，其中該電 能控制電路包含一電力偵測迴路以及一輸出控制迴路，該電 力偵測迴路係連接該太陽能板以及該蓄電池，進而依據該太 陽能板產生之電力以及該蓄電池之電量而對應產生一發電量 ° 訊號以及一蓄電量訊號，又該輸出控制迴路係連接該電力偵 測迴路取得該發電量訊號與該蓄電量訊號以決定點亮該燈泡 組之輸出功率，該電能控制電路並設定一控制點燈時段之定 時模式以及在固定點燈時段内具有相異功率輸出比例之一功 率分配模式，且於該定時模式或該功率分配模式下產生一驅 動訊號啟動該驅動單元，由該驅動單元轉換該儲蓄電力而輸 出一驅動電力點亮該燈泡組；藉由上述之電路架構判斷發電 量大小以及蓄電量大小而調整輸出功率，可令該太陽能照明 ❹ 系統具有不同之工作模式並依據天候變化而調整照明系統使 用之功率，達成延長電池供電時間之功效，進而減緩天候不 佳對該太陽能照明系統之損耗。 【實施方式】 有關本發明之詳細說明及技術内容，現就配合圖式說 明如下： 本發明為一種太陽能照明系統之電能控制電路，請參閱 圖1與囷2，該太陽能照明系統包含至少一太陽能板丨連接 一充電控制器2，藉此對至少一蓄電池3充電，且經由一電 驗_路6鋪—軸元4取得該蓄電池3提供之儲蓄 200945725 電力而點亮至少一燈泡組5，其中該電能控制電路6包含一 電力镇測迴路61以及一輸出控制迴路62 (如圖2所示）， 該電力偵測單元61連接該太陽能板1以及該蓄電池3，進而 依據該太陽能板1產生之電力以及該蓄電池3之電量而對應 產生一發電量訊號以及一蓄電量訊號，該輸出控制迴路62則 連接該電力偵測迴路61取得該發電量訊號與該蓄電量訊號， 藉此依據該蓄電池3之蓄電量以及該太陽能板1之發電量而 決定點亮該燈泡組5之輸出功率，並且該輸出控制迴路62設 定一控制點燈時段之定時模式以及在固定點燈時段内具有相 異功率輪出比例之一功率分配模式’該輸出控制迴路62於該 定時模式或該功率分配模式下產生一驅動訊號啟動該驅動單 元4，該驅動單元4轉換該儲蓄電力而輪出一驅動電力點亮 該燈泡組5 ;又該輸出控制迴路62更設定一過低壓位準與該 蓄電量訊號比較’並得產生一代表該蓄電量訊號低於該過低 壓位準之蓄電過低訊號，該驅動單元4取得該儲蓄電力之電 力路徑上更可設一低壓保護迴路64，該蓄電過低訊號得觸發 該低壓保護迴路64斷開該電力路徑；該電能控制電路6更包 含一測試觸發開關63供系統維護者按壓啟動進而點亮該燈泡 組5作為測試。 請參閱圖3，該圖所示為該電力偵測迴路61與該輸出控 制迴路62之細部架構圖，其中該電力偵測迴路61包含一偵 測該太陽能板1發電電壓以產生該發電量訊號之發電量彳貞測 單元611，以及一偵測該蓄電池3電量而產生該蓄電量訊號 之蓄電容量偵測單元612，該電力偵測迴路61更包含一取得 該發電量訊號之電量計算單元613，且該電量計算單元613 依據累計之發電量訊號計算一特定時期中之均發電功率提供 至該輸出控制迴路62 ;該輸出控制迴路62包含一設定點燈 200945725 Ο Ο 時段之時段設定單元623、一設定點燈時段中具有相異功率 輪出比例之功率分配設定單元622以及一工作模式設定單元 621 ’其中該時段設定單元623可由系統維護者設定一點燈時 段，進而產生一時序訊號，該功率分配設定單元622亦可由 系統維護者設定產生一功率比例訊號，該工作模式設定單元 621得依據該時序訊號或依據該功率比例訊號而提供該定時 模式或該功率分配模式，藉由該定時模式決定該點燈時段之 長短，以及藉由該功率分配模式決定該點燈時段可分為兩個 功率比例不同之時期；該輸出控制迴路62之工作模式設定單 元621更可設定一高壓位準以及一低壓位準，且令該蓄電量 訊號與該高壓位準及該低壓位準比較而判斷該蓄電池3之容 量’以決定點亮該燈泡組5之輸出功率為一預設之正常輸出 功率或為該均發電功率，當該蓄電量訊號之位準高於該高壓 位準時，該點燈時段中令該驅動單元4以系統維護者所設定 之預期功率作為正常輸出功率而點亮該燈泡組5，當該蓄電 量訊號之位準介於該高壓位準與該低壓位準 段中令該媒動單元4以該電力計算單元心之 平輸出，該蓄電量訊號之位準低於該低壓位準時 單元4之輸出條該均發電料；綜合上狀 動，模式舉例如下：其中該定時模式舉例如下：系統維護者 :设定點燈時段為下午六點鴻日凌晨四點，則下午六時後 ι工作模式設定單元621 _該蓄電容量侧單元612產生 =蓄電量峨辦高賊緒_，齡該軸單元4以系 讲，護者所設定之正錄出功率點亮·敝5，若點燈時 電池3轉下降令該蓄電量訊號之位準介於該高壓 位1與該低壓位準之間，則令該媒動單元4⑽電力計算單 疋13提供之均發電功率輪出，藉此自動調整輸出功率以延 200945725 長該蓄電池3壽命，又該功率分配設定單元622亦可設定該 點燈時段之前半與後半具有相異功率輸出比例之功率分配模 式，如設定該點燈時段之前半輸出均發電功率的60%，後半 輸出均發電功率的40%，則該點燈時段中之輸出功率可由以 公式得出：200945725 IX. Description of the invention: [Technical field to which the invention pertains] A power control circuit for a solar lighting system, in particular, a circuit for determining the amount of power stored in a solar lighting system to adjust the power of the lighting. [Prior Art] In an era when energy is scarce and environmental protection is an urgent need, solar panel power generation has become one of the alternative sources for promotion and utilization, and solar panels can be used with high-capacity storage batteries to flexibly use solar-generated electricity; Among them, solar power can be used for public lighting, and some public lighting equipment is exposed to sunlight for a long time in the daytime. If solar panels are installed, it can draw a lot of electricity' and use the battery to store electricity, and use one more time. The controller presets the time for turning off the light energy after the power is turned off, and the time when the power is turned on after the sunset, so that the public lighting device can regularly perform the cycle of energy storage and lighting on day and night, respectively. The public lighting equipment makes good use of environmentally friendly energy; however, the above-mentioned conventional architecture has the inherent obstacles of solar power generation. When the weather is not good, the solar panels absorb the sunlight and effectively generate electricity, which makes the battery charge less than the design time. Value, during the night, the battery still needs to release the energy to turn on the light. Therefore, the battery power is continuously reduced, causing the lights to not be normally turned on or extinguished at night, causing public safety problems. If the battery is kept at a low level for a long time, the effective life of the battery will be significantly shortened. The cost of extensive repairs and maintenance; as noted above, solar lighting systems that utilize public lighting in conventional techniques do not have the mechanism to improve such a deficiency' resulting in the difficulty of promotion or the expense of use. SUMMARY OF THE INVENTION [The prior art solar lighting system uses only a timing controller to illuminate with a fixed output power during a fixed sunset period, causing weather to affect the loss of the life of the lighting system.] Thus, the object of the present invention is A control circuit design is provided to enable the lighting system to adjust the output power according to the solar panel's power of 200945725 during the lighting period, thereby reducing the loss of the solar lighting system due to poor weather. The invention relates to a power control circuit for a solar lighting system. The solar lighting system comprises at least one solar panel connected to a charging controller, thereby charging at least one battery, and controlling a driving unit to obtain a battery by a power control circuit. Saving at least one light bulb group, wherein the power control circuit includes a power detection circuit and an output control circuit, the power detection circuit is connected to the solar panel and the battery, and further generates power according to the solar panel and The battery power correspondingly generates a power generation amount signal and a power storage signal, and the output control circuit is connected to the power detection circuit to obtain the power generation signal and the power storage signal to determine the output power of the light bulb group. The power control circuit sets a timing mode for controlling the lighting period and a power distribution mode having a different power output ratio during the fixed lighting period, and generates a driving signal in the timing mode or the power distribution mode. The drive unit is rotated by the drive unit The saving power outputs a driving power to illuminate the light bulb group; and the output power is determined by determining the power generation amount and the power storage amount by the circuit architecture, so that the solar lighting system has different working modes and is changed according to weather conditions. Adjusting the power used by the lighting system to achieve the effect of extending the battery power supply time, thereby reducing the loss of the solar lighting system caused by poor weather. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The detailed description and technical contents of the present invention will now be described as follows: The present invention is a power control circuit for a solar lighting system. Referring to Figures 1 and 2, the solar lighting system includes at least one solar energy. The board is connected to a charging controller 2, thereby charging at least one battery 3, and obtaining the savings 200945725 power provided by the battery 3 via a test_road 6-axis 4 to illuminate at least one bulb group 5, wherein The power control circuit 6 includes a power town circuit 61 and an output control circuit 62 (shown in FIG. 2). The power detecting unit 61 is connected to the solar panel 1 and the battery 3, and is further generated according to the solar panel 1. The power and the power of the battery 3 correspondingly generate a power generation signal and a power storage signal, and the output control circuit 62 is connected to the power detection circuit 61 to obtain the power generation signal and the power storage signal, thereby relying on the battery 3 The amount of power stored and the amount of power generated by the solar panel 1 determines the output power of the bulb group 5, and the output control circuit 62 sets a a timing mode of the lighting period and a power distribution mode having a different power rotation ratio in the fixed lighting period. The output control circuit 62 generates a driving signal in the timing mode or the power distribution mode to activate the driving unit. 4. The driving unit 4 converts the saving power and rotates a driving power to illuminate the light bulb group 5; the output control circuit 62 further sets an over-low voltage level to compare with the stored electricity signal' and generates a representative power storage. The power signal is lower than the low voltage signal of the low voltage level, and the power circuit of the driving unit 4 can further set a low voltage protection circuit 64, and the low power signal triggers the low voltage protection circuit 64 to be disconnected. The power path; the power control circuit 6 further includes a test trigger switch 63 for the system maintainer to press and start to illuminate the light bulb group 5 as a test. Please refer to FIG. 3 , which is a detailed structural diagram of the power detection circuit 61 and the output control circuit 62. The power detection circuit 61 includes detecting a power generated by the solar panel 1 to generate the power generation signal. The power generation detecting unit 611 and the power storage capacity detecting unit 612 for detecting the power of the battery 3 to generate the power storage signal, the power detecting circuit 61 further includes a power calculating unit 613 for obtaining the power generating signal. And the power calculation unit 613 calculates the average power generation in a specific period according to the accumulated power generation signal to the output control circuit 62; the output control circuit 62 includes a time setting unit 623 for setting the lighting 200945725 Ο 时段 period, a power distribution setting unit 622 having a different power rounding ratio in the set lighting period and an operating mode setting unit 621 ' wherein the time setting unit 623 can be set by the system maintainer to set a light period, thereby generating a timing signal, the power The distribution setting unit 622 can also generate a power proportional signal by the system maintainer, and the working mode setting unit 62 1 according to the timing signal or according to the power proportional signal to provide the timing mode or the power distribution mode, by using the timing mode to determine the length of the lighting period, and determining the lighting period by the power distribution mode The operating mode setting unit 621 of the output control circuit 62 can further set a high voltage level and a low voltage level, and compare the power storage signal with the high voltage level and the low voltage level. And determining the capacity of the battery 3 to determine whether the output power of the light bulb group 5 is a predetermined normal output power or the average power generation power. When the level of the power storage signal is higher than the high voltage level, the During the lighting period, the driving unit 4 lights the bulb group 5 with the expected power set by the system maintainer as the normal output power, when the level of the stored power signal is between the high voltage level and the low voltage level The media unit 4 is outputted by the power calculation unit, and the level of the power storage signal is lower than the output of the low-voltage level unit 4; For example, the mode is as follows: System maintainer: set the lighting period to be 6 o'clock in the afternoon, 4 o'clock in the morning, then after 6 o'clock in the afternoon, the working mode setting unit 621_ the storage capacity side unit 612 Generate = storage capacity 峨 high thief _ _, the age of the axis unit 4 to the department, the correct recording power set by the protector illuminates · 敝 5, if the battery 3 turn down when the lighting causes the position of the power storage signal Between the high pressure level 1 and the low voltage level, the medium power generation unit 4 (10) calculates the average power generation power provided by the unit 13 to automatically adjust the output power to extend the life of the battery 3 by 200945725. In addition, the power distribution setting unit 622 can also set a power distribution mode in which the first half and the second half of the lighting period have different power output ratios, such as setting 60% of the output power of the half output before the lighting period, and output power of the second half of the output. 40% of the output power in the lighting period can be calculated by:
Woutput=WaverageX〇. 6+ΤΠ+2.......點燈時段前半之功率Woutput=WaverageX〇. 6+ΤΠ+2.......The first half of the lighting period
Woutput=WaverageX〇· 4+ΤΠ+2 ···..···點燈時段後半之功率 其中Woutput為令該驅動單元4點燈之功率，Waverage為均發 〇 電供率；因此’藉該功率分配模式亦可達到延長該蓄電池3 供電時間之功效，進而減緩天候不佳對該太陽能照明系統之 損耗；再者，該低壓保護迴路64可包含一低壓保護開關641 以及一低壓警示燈642，該低壓保護開關641位於該蓄電池3 與該驅動單元4間該電力路徑上且受該蓄電過低訊號觸發而 開路截止該儲蓄電力送至該驅動單元4之路徑，該低壓警示 燈642則取得該蓄電過低訊號而啟動作為警示用途。 上述之輸出控制迴路62除了利用該時段設定單元623設 定點燈時刻之啟始時間外，亦得設定一低發電量位準，依據 ❹ 該發電学訊號低於該低發電量位準而判定為曰落而啟動該工 作模式設定單元6Ϊ21 ;上述之該驅動單元4可為一切換'式轉 換器’該輸出控制單元62得藉該駆動訊號控制該驅動單元4 輸出該驅動電力之輸出功率；又如圖3所示該電能控制電路 6更包含一測試觸發開關63供系統維護者按壓啟動該工作模 式設定單元621，進而點亮該燈泡組5作為測試；綜合上述 之說明，本發明可藉由判斷該太陽能板1之發電量以及該蓄 電池3之蓄電量而作為不同模式下之輸出功率的依據，使該 太陽能照明系統得藉該電能控制電路6隨時調整其輪出功 率’達成延長電池供電時間之功效，進而減緩天候不佳對該 200945725 太陽能照明系統之損耗。 雖然本發明以較佳實施例揭露如上，然其並非用以限 定本發明，任何熟習此技藝者，在不脫離本發明之精神和 範圍内，而所作之些許更動與潤飾，皆應涵蓋於本發明 中，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。 綜上所述，本發明較習知之創作增進上述功效， 充分符合新穎性及進步性之法定創新專利要件，奚應已 Ο 出申請，懇請貴局核准本件發明專利申請案，、法提 作，至感德便。 ’以勵釗 【圖式簡單說明】 圖1為本發明之基本架構方塊圖。 圖2為該電能控制電路之架構方塊圖。 圖3為該電能控制電路之細部架構囷。 【主要元件符號說明】 1 .......太陽能板 2 .......充電控制器 〇 3 ...../ ·蓄電溥 4 · ......驅動單元 5 .......燈泡組 6 .......電能控制電路 61 .......電力偵測迴路 611 .......發電量偵測單元 612 .......蓄電容量偵測單元 613· ······電量計算單元 62 ·······輸出控制迴路 621 .......工作模式設定單元 622 .......功率分配設定單元 200945725Woutput=WaverageX〇· 4+ΤΠ+2 ······························································································· The power distribution mode can also achieve the effect of prolonging the power supply time of the battery 3, thereby alleviating the loss of the solar lighting system due to poor weather; further, the low voltage protection circuit 64 can include a low voltage protection switch 641 and a low voltage warning light 642. The low voltage protection switch 641 is located on the power path between the battery 3 and the driving unit 4 and is triggered by the power storage low signal to open the path of the saving power to the driving unit 4, and the low voltage warning light 642 obtains the The power storage is too low and the signal is activated for warning purposes. In addition to using the time period setting unit 623 to set the start time of the lighting time, the output control circuit 62 may also set a low power generation level, and determine that the power generation signal is lower than the low power generation level. The operating mode setting unit 6Ϊ21 is activated by the smashing; the driving unit 4 can be a switching 'type converter', and the output control unit 62 can control the output power of the driving power by the driving unit 4 by using the swaying signal; As shown in FIG. 3 , the power control circuit 6 further includes a test trigger switch 63 for the system maintainer to press and activate the working mode setting unit 621 to illuminate the light bulb group 5 as a test; Judging the power generation amount of the solar panel 1 and the storage capacity of the battery 3 as the basis of the output power in different modes, the solar lighting system can adjust the turn-off power by the power control circuit 6 at any time to achieve an extended battery power supply time. The effect, which in turn slows down the loss of weather in the 200945725 solar lighting system. While the present invention has been described above in terms of the preferred embodiments thereof, it is not intended to limit the invention, and it is intended that those skilled in the In the invention, the scope of the invention is therefore defined by the scope of the appended claims. In summary, the present invention is more customary to enhance the above-mentioned effects, and fully meets the novelty and progressive statutory innovation patent requirements. The application has been filed, and you are requested to approve the invention patent application, and the law is proposed. To the sense of virtue. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a block diagram of the basic architecture of the present invention. 2 is an architectural block diagram of the power control circuit. Figure 3 is a detailed diagram of the power control circuit. [Description of main component symbols] 1 .......Solar panel 2 .......Charging controller 〇 3 ..... / · Power storage 溥 4 · ...... Drive unit 5 . ...light bulb group 6 ....... power control circuit 61 .... power detection circuit 611 .... power generation detection unit 612 ..... .. Storage capacity detecting unit 613·················································· Distribution setting unit 200945725
❹ 623 .......時段設定單元 63 .......測試觸發開關 64 .......低廢保護迴路 641 .......低壓保護開關 642 .......低壓警示燈 11623 623 ....... Period setting unit 63.......Test trigger switch 64.......Low waste protection circuit 641.......Low voltage protection switch 642 ... .... low pressure warning light 11