TW202005230A - Power supply system and operation method thereof for enabling power supply system achieving energy-saving, environmental protection and economical benefit - Google Patents
Power supply system and operation method thereof for enabling power supply system achieving energy-saving, environmental protection and economical benefit Download PDFInfo
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
Abstract
Description
本發明係與供應負載電力有關;特別是指一種供電系統及其運作方法。The invention relates to the supply of load power; in particular, it refers to a power supply system and its operation method.
圖1所示,為習用之供電裝置供電予負載L之示意圖,其中該供電裝置係包含有至少一電池包1,且該電池包1是由複數個電池芯1a串聯所組成,電池芯1a亦可以是由並聯所組成。Fig. 1 is a schematic diagram of a conventional power supply device that supplies power to a load L. The power supply device includes at least one
以一電池包1為例,當電池包1中具有效能較差的電池芯1a時,效能較差的電池芯1a會使電池包1供電予負載L之效率較差,故廠商於生產電池包1時,皆會對電池芯1a做檢測,並將特性相近的電池芯1a匹配製成電池包1,以避免電池包1出廠時效率不佳的情況發生,但這樣檢測電池包1流程需要耗費大量的時間,造成生產效益不佳的情況發生。Taking a
此外,電池芯1a雖然有經過出廠時的檢測,但是,電池芯1a仍會有老化、或是損壞等可能性,當電池包1之效能下降,且電池包1中只要有其中一該電池芯1a損壞或效能下降,就會導致電池包1被汰換,這是極度不環保,且不符合經濟效益。In addition, although the battery cell 1a has been tested at the factory, the battery cell 1a may still be aged or damaged. When the performance of the
請再配合圖2,為另一種習用的供電裝置,其包含複數個串聯的電池包2,若其中一個電池包2效能變差或損壞,同樣會影響整個供電裝置的效能。Please refer to FIG. 2 for another conventional power supply device, which includes a plurality of
有鑑於此,本發明之目的在於提供一種供電系統以及其運作方法,可以於儲電單元損壞或效能下降時,提供一額外補足儲電單元輸出至負載的不足能量。In view of this, the object of the present invention is to provide a power supply system and an operation method thereof, which can provide an additional energy that supplements the insufficient output of the power storage unit to the load when the power storage unit is damaged or the performance is reduced.
緣以達成上述目的,本發明提供的一種供電系統,用以供電予一負載,包含有:複數個儲電單元以及一控制裝置,其中該些儲電單元電性連接該負載,各該儲電單元具有一正端與一負端;該控制裝置電性連接該些儲電單元的該正端與該負端,該控制裝置偵測各該儲電單元的一參數值,並在所偵測的參數值小於一預定值時,輸出一補充電能至對應的一該儲電單元之該正端與該負端,使該補充電能與該些儲電單元之電能共同供電至該負載。In order to achieve the above object, the present invention provides a power supply system for supplying power to a load, including: a plurality of power storage units and a control device, wherein the power storage units are electrically connected to the load, each of the power storage The unit has a positive terminal and a negative terminal; the control device is electrically connected to the positive terminal and the negative terminal of the power storage units, the control device detects a parameter value of each power storage unit, and detects When the parameter value is less than a predetermined value, a supplementary electrical energy is output to the positive terminal and the negative terminal of a corresponding one of the power storage units, so that the supplementary electrical energy and the electrical energy of the power storage units jointly supply power to the load.
本發明提供的一種供電系統的運作方法,該供電系統用以供電予一負載,該供電系統包含有複數個儲電單元以及一控制裝置,其中該控制裝置電性連接各該儲電單元之一正端與一負端;,該運作方法包含下列步驟A、由該控制裝置檢測各該儲電單元的一參數值;B、判斷是否有任一儲電單元的參數值小於一預定值:若否,由該些儲電單元之電能輸出至該負載;若是,輸出一補充電能至該參數值小於該預定值的該儲電單元,由該補充電能與該些儲電單元之電能共同供電至該負載。。The present invention provides an operation method of a power supply system for supplying power to a load. The power supply system includes a plurality of power storage units and a control device, wherein the control device is electrically connected to one of the power storage units Positive terminal and a negative terminal; the operation method includes the following steps A. The control device detects a parameter value of each of the power storage units; B. Determines whether a parameter value of any power storage unit is less than a predetermined value: No, the electrical energy from the electrical storage units is output to the load; if it is, a supplementary electrical energy is output to the electrical storage unit whose parameter value is less than the predetermined value, and the electrical energy is supplied to the electrical load from the electrical energy of the electrical storage units The load. .
本發明之效果在於控制裝置可以偵測各儲電單元的參數值,且控制裝置可以依據參數值判定儲電單元是否需要補充電能,並於需求補電時,輸出補充電能至儲電單元,以使供電系統可以穩定的供電予負載,不會於其中一儲電單元損壞或效能下降時,影響整個供電系統,進而使供電系統可以達到節能環保並符合經濟效益。The effect of the present invention is that the control device can detect the parameter value of each power storage unit, and the control device can determine whether the power storage unit needs supplemental power according to the parameter value, and output supplemental power to the power storage unit when power supplement is needed, The power supply system can supply power to the load stably, and will not affect the entire power supply system when one of the power storage units is damaged or the performance is reduced, so that the power supply system can achieve energy saving and environmental protection and meet economic benefits.
為能更清楚地說明本發明,茲舉較佳實施例並配合圖式詳細說明如後。請參圖3所示,為本發明第一較佳實施例之供電系統,用以供電予一負載L,且供電系統包含有一電池包3以及一控制裝置10,且電池包3電性連接該負載L,電池包3包括有複數個串聯的電池芯20,該些電池芯20構成本實施例的複數個儲電單元,且每個電池芯20都具有一正端20a以及一負端20b。In order to explain the present invention more clearly, the preferred embodiments are described in detail below with reference to the drawings. Please refer to FIG. 3, which is the power supply system of the first preferred embodiment of the present invention for supplying a load L, and the power supply system includes a
該控制裝置10電性連接負載L,且包含有一檢測模組12與一補電模組14,其中檢測模組12電性連接補電模組14以及各該電池芯20的正端20a與負端20b;該補電模組14的一電源側14a電性連接一電源P,補電模組14的一負載側14b與各該電池芯20的正端20a與負端20b。The
請再配合圖4所示,檢測模組12是用以偵測各電池芯20的正端20a與負端20b之間的一參數值,於本實施例中,參數值包含有各電池芯20的正端20a與負端20b之間的電流。於其他實施例中,參數值更可以包含有電池芯20正端20a與負端20b之間的電壓差電池芯20的功率,但不以此為限。Please refer to FIG. 4 again. The
請再配合圖5所示,於本實施例中,補電模組14依據檢測模組12偵測各電池芯20的參數值,決定是否輸出一補充電能至對應的電池芯20之該正端20a與該負端20b,且於本實施例中補充電能為電流。Please refer to FIG. 5 again. In this embodiment, the
藉由上述供電系統之架構,即可進行本實施例的運作方法,該運作方法包含圖6所示之下列步驟:The operation method of this embodiment can be performed by the structure of the power supply system described above. The operation method includes the following steps shown in FIG. 6:
首先,於步驟S1,由檢測模組12檢測各電池芯20的參數值,本實施例中係由檢測模組12檢測電池芯20的正端20a與負端20b之間的電流。First, in step S1, the
於步驟S2中,由補電模組14將檢測模組12取得的各參數值與控制裝置10中所儲存的一預定值比對,判斷是否有任一電池芯20的參數值小於預定值。於本實施例中,預定值是指一電流值,其中電流值為供電系統中可容許電池芯20輸出的最低電流,例如,可設定為電池芯20額定電流值的80%。於其他實施例中,對應不同類型的參數值(電壓差、功率),則預定值可是電壓值或功率值。In step S2, the
若有任一電池芯20的參數值小於預定值時,執行步驟S3,補電模組14輸出補充電能至參數值小於預定值的電池芯20的正端20a與負端20b,由所有的電池芯20以及補充電能會共同供電予負載L,藉此補充電能可以補足電池芯20不足以供電予負載L之電能。於其它實施例中,補充電能亦可為電壓,且補充電壓是為了穩定電壓。If the parameter value of any
若未有電池芯20之參數值小於預定值,執行步驟S4,由該些電池芯20直接供電予負載L。If no parameter value of the
藉由上述本發明第一較佳實施例的供電系統及其運作方法,可以讓供電系統供電予負載時,藉由補電模組對效能變差或損壞的電池芯補充電能,使供電系統不會因為其中電池芯效能變差或損壞而影響整體的供電效能,讓供電系統可以使用的年限較長。With the power supply system and the operation method of the first preferred embodiment of the present invention described above, when the power supply system supplies power to the load, the power supply module can supplement the electric energy of the battery cell with deteriorated or damaged performance, so that the power supply system does not It will affect the overall power supply performance due to the deterioration or damage of the battery cells, so that the power supply system can be used for a longer period of time.
圖7所示為本發明第二較佳實施例之供電系統,該供電系統包含有複數個電池包4,且於本實施例中,控制裝置10的負載側10a電性連接於該些電池包4的正端4a與負端4b,而控制裝置10的電源側10b電性連接一電源P。供電系統的運作方法與前述實施例相同,亦即,控制裝置10同樣包含有檢測模組12與補電模組14,其中,檢測模組12用以偵測各電池包4正端4a與負端4b之間的參數值,補電模組14判斷參數值小於預定值時,補電模組14輸出補充電能,藉此該補充電能可以於至少一個電池包4效能下降時,對其補充電能,讓供電系統維持於一定的供電水準,而不會因至少一該電池包4的效能下降,而導致供電系統的整體供電水準下降。7 shows a power supply system according to a second preferred embodiment of the present invention. The power supply system includes a plurality of
綜上所述,為本發明之供電系統及其運作方法,藉由檢測模組偵測該些儲電單元,並由補電模組對儲電單元補電,藉此使供電系統可以維持於一定的供電水準,更詳而言,當有儲電單元效能下降或損壞時,本發明之供電系統會藉由補電模組補充儲電單元之電能,進而使供電系統穩定地對負載供電,不會於其中一該儲電單元損壞或效能下降時,影響整個供電系統,藉此,供電系統可以達到節能環保,並符合經濟效益。In summary, the power supply system and the operation method of the present invention detect the power storage units by the detection module, and supplement the power to the power storage unit by the power supplement module, so that the power supply system can be maintained at A certain level of power supply, more specifically, when the performance of the power storage unit is reduced or damaged, the power supply system of the present invention will supplement the power of the power storage unit by the power supply module, so that the power supply system can supply power to the load stably. It will not affect the entire power supply system when one of the power storage units is damaged or the performance is reduced. By this, the power supply system can achieve energy saving and environmental protection, and is in line with economic benefits.
以上所述僅為本發明較佳可行實施例而已,舉凡應用本發明說明書及申請專利範圍所為之等效變化,理應包含在本發明之專利範圍內。The above is only the preferred and feasible embodiments of the present invention, and any equivalent changes in applying the description of the present invention and the scope of patent application should be included in the patent scope of the present invention.
〔習用〕1‧‧‧電池包1a‧‧‧電池芯2‧‧‧電池包〔本發明〕3‧‧‧電池包4‧‧‧電池包4a‧‧‧正端4b‧‧‧負端10‧‧‧控制裝置10a‧‧‧負載側10b‧‧‧電源側12‧‧‧檢測模組14‧‧‧補電模組14a‧‧‧電源側14b‧‧‧負載側20‧‧‧電池芯20a‧‧‧正端20b‧‧‧負端L‧‧‧負載P‧‧‧電源[Conventional] 1‧‧‧Battery pack 1a‧‧‧
圖1為習用之供電裝置供電予負載之示意圖; 圖2為另一種習用之供電裝置供電予負載之示意圖; 圖3為本發明第一較佳實施例之供電系統的方塊圖; 圖4為一示意圖,示意檢測模組偵測各電池芯之各參數值,以及發 送一補電訊號至補電單元; 圖5為一示意圖,示意補電單元對各電池芯補電; 圖6為上述第一較佳實施例之供電系統的運作方法流程圖; 圖7為本發明第二較佳實施例之供電系統的方塊圖。Fig. 1 is a schematic diagram of a conventional power supply device supplying power to a load; Fig. 2 is a schematic diagram of another conventional power supply device supplying power to a load; Fig. 3 is a block diagram of a power supply system according to a first preferred embodiment of the present invention; Schematic diagram, which indicates that the detection module detects each parameter value of each battery cell, and sends a supplementary electrical signal to the rechargeable unit; FIG. 5 is a schematic diagram illustrating that the rechargeable unit recharges each battery cell; FIG. 6 is the first Flow chart of the operation method of the power supply system of the preferred embodiment; FIG. 7 is a block diagram of the power supply system of the second preferred embodiment of the present invention.
10‧‧‧控制裝置 10‧‧‧Control device
12‧‧‧檢測模組 12‧‧‧Detection module
14‧‧‧補電模組 14‧‧‧Charge module
20‧‧‧電池芯 20‧‧‧ battery cell
20a‧‧‧正端 20a‧‧‧end
20b‧‧‧負端 20b‧‧‧Negative
L‧‧‧負載 L‧‧‧load
P‧‧‧電源 P‧‧‧Power
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US16/220,180 US10879709B2 (en) | 2018-05-31 | 2018-12-14 | Power management system and operating method thereof |
CN201910116558.9A CN110556888A (en) | 2018-05-31 | 2019-02-13 | Power supply system and operation method thereof |
US16/951,842 US11223214B2 (en) | 2018-05-31 | 2020-11-18 | Power management system and operating method thereof |
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