TWI499164B - Cell interface - Google Patents
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- TWI499164B TWI499164B TW100111922A TW100111922A TWI499164B TW I499164 B TWI499164 B TW I499164B TW 100111922 A TW100111922 A TW 100111922A TW 100111922 A TW100111922 A TW 100111922A TW I499164 B TWI499164 B TW I499164B
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本發明係一種電池介面，其包括有：二極體組成之電壓平衡電路，電池(Cell)為由化學能轉換為電能之二次電池，本發明為利用電壓平衡電路連接在兩電池並聯連接電路的中間，並且其中間一端與外正電壓端或外負電壓端連接做為電池充電或放電之連接介面；電壓平衡電路具有三端接點特徵，其中第1端與第2端連接於兩只電池並聯之間，第3端為中點端連接於外正電壓端或外負電壓端，能達到做為電池電能與外端電能裝置之連接介面之功能，本發明在其兩只電池並聯放置或充電或放電下能消除電池環流產生，而提高其電池充電或放電之效率，減少其環流損失。 The invention relates to a battery interface, which comprises: a voltage balance circuit composed of a diode, a battery is a secondary battery converted from chemical energy into electric energy, and the invention is connected to a parallel connection circuit of two batteries by using a voltage balance circuit. In the middle, and one end of the middle is connected with the external positive voltage terminal or the external negative voltage terminal as a connection interface for charging or discharging the battery; the voltage balance circuit has three-terminal contact characteristics, wherein the first end and the second end are connected to two When the batteries are connected in parallel, the third end is connected to the external positive voltage terminal or the external negative voltage terminal at the midpoint end, and can function as a connection interface between the battery power and the external power device, and the invention is placed in parallel with the two batteries thereof. Or charging or discharging can eliminate the battery circulation, and improve the efficiency of charging or discharging the battery, reducing its circulation loss.
如圖1所示，為習知電池並聯連接電路，其有以下之缺點： As shown in FIG. 1, it is a conventional battery parallel connection circuit, which has the following disadvantages:
1.電池EA與電池EB並聯，在其進行充電時，其電池EA與電池EB均會產生環流損耗。 1. The battery EA is connected in parallel with the battery EB. When it is charged, both the battery EA and the battery EB generate a loop loss.
2.自1.之連接可知，當兩只並聯電池放電於負載時，其並聯兩只電池之間亦會產生環流，而造成損耗。 2. Since the connection of 1. It can be seen that when two parallel batteries are discharged to the load, a circulation will also occur between the two parallel batteries, causing loss.
3.自1.之連接可知，當兩只並聯電池在無負載開路時，其並聯兩只電池之間亦會產生環流，而將電池所蓄存之電能耗盡，而造成應用之不便。 3. Since the connection of 1. It can be seen that when two parallel batteries are open at no load, a circulating current will also be generated between the two parallel batteries, and the stored energy of the battery is exhausted, which causes inconvenience in application.
為了消除兩只電池並聯放置或充電或放電下能消除電池環流產生，減少其環流損失與能達到做為電池電能與外端電能裝置之連接介面之功能：本發明之目的為利用二極體之順向電壓降，以執行兩只電池 因電壓之不同而需並聯時，利用二極體之順向電壓降，可使兩只電池不產生環流，而消除兩只電池之環流損失。 In order to eliminate the two batteries in parallel or charge or discharge, the battery circulation can be eliminated, the circulation loss can be reduced, and the function as a connection interface between the battery power and the external power device can be achieved: the purpose of the present invention is to utilize the diode. Forward voltage drop to execute two batteries When parallel connection is required due to different voltages, the forward voltage drop of the diodes can be used to prevent the two batteries from generating a circulating current and eliminating the circulation loss of the two batteries.
本發明有下列之特徵： The invention has the following features:
1.首創以第1二極體與第2二極體串聯連接之順向電壓降與第3二極體與第4二極體串聯連接之順向電壓降，極性相反並聯連接於兩只電池之間，而使兩只電池不產生環流，以執行兩只電池因電壓不同而需並聯時，因二極體之順向電壓降之關係，而消除兩只電池並聯之環流損失。 1. The first forward voltage drop connected in series with the first diode and the second diode is connected to the forward voltage drop of the third diode and the fourth diode. The opposite polarity is connected in parallel to the two batteries. Between the two batteries, the two batteries do not generate a circulating current, so that when the two batteries need to be connected in parallel due to different voltages, the parallel current loss of the two batteries is eliminated due to the relationship of the forward voltage drop of the two electrodes.
2.首創將第1二極體的陰極端與第2二極體的陽極端與第3二極體的陽極端與第4二極體的陰極端連接，做為兩只電池充電或放電電路之電性連接點。 2. Firstly, the cathode end of the first diode and the anode end of the second diode and the anode end of the third diode are connected to the cathode end of the fourth diode, as two battery charging or discharging circuits. Electrical connection point.
3.本發明所實施之二極體為PN型二極體或蕭特基二極體(schottky diode)或齊納二極體(Zener diodes)或變容二極體(Varactor diodes)或隧道二極體(Tunnel diodes)或瞬間電壓保護二極體(Transient voltage suppression diodes)等。 3. The diode implemented in the present invention is a PN type diode or a Schottky diode or a Zener diode or a Varactor diode or a tunnel II. (Tunnel diodes) or transient voltage suppression diodes (Transient voltage suppression diodes).
4.本發明電池介面所指之電池係為二次電池(Secondary Cells)，亦就是所有之二次電池皆可應用本發明電池介面。 4. The battery cell referred to in the battery interface of the present invention is a secondary battery, that is, all of the secondary batteries can be applied to the battery interface of the present invention.
如圖2所示，為本發明電池介面之第1實施例，自圖中可知，第1電池E1之正電壓端接到第1二極體D1之陽極端，第1二極體D1之陰極端與第2二極體D2之陽極端連接，第2二極體D2之陰極端連接到第2電池E2之正電壓端；第1電池E1之正電壓端接到第3二極體D3之陰極端，第3二極體D3之陽極端與第4二極體D4之陰極端連接，第4二極體D4之陽極端連接到第2電池E2之正電壓端；第1二極體D1之陽極端與第3二極體D3之陰極端連接，稱為電壓平衡電路 (Voltage Balance Circuit，VBC)之第1端，第2二極體D2之陰極端與第4二極體D4之陽極端連接，稱為電壓平衡電路之第2端；第1二極體D1之陰極端與第2二極體D2之陽極端與第3二極體D3之陽極端與第4二極體D4之陰極端連接，稱為電壓平衡電路之第3端，連接外正電壓端VP。 As shown in FIG. 2, in the first embodiment of the battery interface of the present invention, it can be seen from the figure that the positive voltage terminal of the first battery E1 is connected to the anode terminal of the first diode D1, and the cathode of the first diode D1 is negative. The terminal is connected to the anode terminal of the second diode D2, and the cathode terminal of the second diode D2 is connected to the positive voltage terminal of the second battery E2; the positive voltage terminal of the first battery E1 is connected to the third diode D3. At the cathode end, the anode end of the third diode D3 is connected to the cathode end of the fourth diode D4, and the anode end of the fourth diode D4 is connected to the positive voltage terminal of the second battery E2; the first diode D1 The anode end is connected to the cathode end of the third diode D3, and is called a voltage balance circuit. The first end of the (Voltage Balance Circuit, VBC), the cathode end of the second diode D2 is connected to the anode end of the fourth diode D4, and is called the second end of the voltage balance circuit; the first diode D1 The cathode end and the anode end of the second diode D2 and the anode end of the third diode D3 are connected to the cathode end of the fourth diode D4, which is called the third end of the voltage balance circuit, and is connected to the external positive voltage terminal VP. .
如圖2所示，本發明之充電動作原理為：電流自外正電壓端VP，經第3二極體D3之陽極端，到第3二極體D3之陰極端到第1電池E1之正電壓端，到第1電池E1之負電壓端，回到第1電池E1之外負電壓端VN；另一電流自外正電壓端VP，經第2二極體D2之陽極端，到第2二極體D2之陰極端，到第2電池E2之正電壓端，到第2電池E2之負電壓端，回到第2電池E2之外負電壓端VN，而完成充電程序。 As shown in FIG. 2, the charging operation principle of the present invention is: current from the external positive voltage terminal VP, through the anode terminal of the third diode D3, to the cathode end of the third diode D3 to the first battery E1 The voltage terminal returns to the negative voltage terminal VN of the first battery E1 to the negative voltage terminal of the first battery E1; the other current flows from the outer positive voltage terminal VP, through the anode terminal of the second diode D2, to the second The cathode terminal of the diode D2 goes to the positive voltage terminal of the second battery E2 to the negative voltage terminal of the second battery E2, and returns to the negative voltage terminal VN outside the second battery E2 to complete the charging process.
如圖2所示，本發明之放電動作原理為：第1電池E1之正電壓端之電流經第1二極體D1之陽極端，到第1二極體D1之陰極端，到外正電壓端VP，供應設定負載(圖中無表示)，回到第1電池E1之外負電壓端VN與第1電池E1之負電壓端；另一電流自第2電池E2之正電壓端，經第4二極體D4之陽極端，到第4二極體D4之陰極端，到外正電壓端VP，供應設定負載(圖中無表示)，回到第2電池E2之外負電壓端VN與第2電池E2之負電壓端，而完成放電程序。 As shown in FIG. 2, the discharge operation principle of the present invention is that the current of the positive voltage terminal of the first battery E1 passes through the anode terminal of the first diode D1 to the cathode terminal of the first diode D1 to the external positive voltage. The terminal VP supplies a set load (not shown) and returns to the negative voltage terminal VN of the first battery E1 and the negative voltage terminal of the first battery E1; the other current flows from the positive voltage terminal of the second battery E2. 4 The anode end of the diode D4, to the cathode end of the 4th diode D4, to the external positive voltage terminal VP, supply the set load (not shown), return to the negative voltage terminal VN outside the second battery E2 and The negative voltage terminal of the second battery E2 completes the discharge process.
如圖2所示，第1二極體D1之陽極端與第1電池E1之正電壓端連接，第1二極體D1之陰極端與第2二極體D2之陽極端連接，第2二極體D2之陰極端連接第2電池E2之正電壓端，利用第1二極體D1與第2二極體D2之順向電壓降，而消除二電池之環流產生，其動作原理為：當第1電池E1兩端之電壓可能大於或小於第2電池E2兩端之電壓，若第1電池E1兩端之電壓大於第2電池E2兩端之電壓，此時若直接將其二電池並聯，必會產生環流而造成環流短路，若第1電池E1兩端之電壓大於第2電池E2兩端之電壓為1.4伏 特，此時利用第1二極體D1之順向電壓降0.7伏特和第2二極體D2之順向電壓降0.7伏特，合計1.4伏特，此時因為有第1二極體D1和第2二極體D2之順向電壓降為1.4伏特，所以第1電池E1兩端之電壓與第2電池E2兩端之電壓相等，此時不產生環流；若第1電池E1與第2電池E2兩端之電壓相差大，則可採用第1二極體D1為兩只或多只二極體同一單方向導電串聯連接替代或第2二極體D2為兩只或多只二極體同一單方向導電串聯連接替代，而不自限；若第1電池E1與第2電池E2之充電或放電電流大，則第1二極體D1可採用兩只或多只二極體同一單方向導電並聯連接替代；若第1電池E1與第2電池E2之充電或放電電流大，則第2二極體D2可採用兩只或多只二極體同一單方向導電並聯連接替代；第3二極體D3之陰極端與第1電池E1之正電壓端連接，第3二極體D3之陽極端與第4二極體D4之陰極端連接，第4二極體D4之陽極端連接第2電池E2之正電壓端，利用第3二極體D3與第4二極體D4之順向電壓降，而消除二電池之環流產生，其動作原理為：當第2電池E2兩端之電壓大於第1電池E1兩端之電壓為1.4伏特，同樣可以第3二極體D3與第4二極體D4之順向電壓降合計為1.4伏特來平衡第2電池E2兩端之電壓到第1電池E1兩端之電壓，使其不產生環流；若第2電池E2兩端之電壓與第1電池E1兩端之電壓相差大，則可採用第3二極體D3為兩只或多只二極體同一單方向導電串聯連接替代或第4二極體D4為兩只或多只二極體同一單方向導電串聯連接替代，而不自限；若第1電池E1與第2電池E2之充電或放電電流大，則第3二極體D3可採用兩只或多只二極體同一單方向導電並聯連接替代；若第1電池E1與第2電池E2之充電或放電電流大，則第4二極體D4可採用兩只或多只二極體同一單方向導電並聯連接替代；若第1電池E1兩端之電壓與第2電池E2兩端之電壓 相差大與充電或放電電流大，則第1、第2、第3、第4二極體可採用兩只或多只二極體同一單方向導電並聯連接，再將並聯後之二極體以兩只或多只同一單方向導電串聯連接替代。 As shown in FIG. 2, the anode end of the first diode D1 is connected to the positive voltage terminal of the first battery E1, and the cathode end of the first diode D1 is connected to the anode terminal of the second diode D2, the second two The cathode end of the polar body D2 is connected to the positive voltage terminal of the second battery E2, and the forward voltage drop of the first diode D1 and the second diode D2 is used to eliminate the circulation of the two batteries. The operation principle is as follows: The voltage across the first battery E1 may be greater or less than the voltage across the second battery E2. If the voltage across the first battery E1 is greater than the voltage across the second battery E2, if the two batteries are directly connected in parallel, A circulating current will be generated to cause a short circuit in the circulating current. If the voltage across the first battery E1 is greater than the voltage across the second battery E2 is 1.4 volts. In this case, the forward voltage drop of 0.7 volts of the first diode D1 and the forward voltage drop of the second diode D2 are 0.7 volts, which is 1.4 volts in total, because the first diode D1 and the second are present. The forward voltage drop of the diode D2 is 1.4 volts, so the voltage across the first battery E1 is equal to the voltage across the second battery E2, and no circulation occurs at this time; if the first battery E1 and the second battery E2 are both If the voltage difference between the terminals is large, the first diode D1 may be used as two or more diodes in the same single direction conductive series connection or the second diode D2 may be two or more diodes in the same single direction. The conductive series connection is replaced instead of self-limiting; if the charging or discharging current of the first battery E1 and the second battery E2 is large, the first diode D1 can be electrically connected in parallel with two or more diodes in one direction. Alternatively, if the charging or discharging current of the first battery E1 and the second battery E2 is large, the second diode D2 may be replaced by two or more diodes in the same single direction conductive parallel connection; the third diode D3 The cathode end is connected to the positive voltage end of the first battery E1, and the anode end of the third diode D3 is connected to the cathode end of the fourth diode D4, the fourth two The anode end of the polar body D4 is connected to the positive voltage end of the second battery E2, and the forward voltage drop of the third diode D3 and the fourth diode D4 is used to eliminate the circulation of the two batteries, and the operation principle is as follows: The voltage across the second battery E2 is greater than the voltage across the first battery E1 of 1.4 volts, and the second battery can be balanced by a total forward voltage drop of the third diode D3 and the fourth diode D4 of 1.4 volts. The voltage across the E2 is equal to the voltage across the first battery E1 so that no circulation occurs; if the voltage across the second battery E2 is different from the voltage across the first battery E1, the third diode can be used. D3 is replaced by two or more diodes in the same single direction conductive series connection or the fourth diode D4 is replaced by two or more diodes in the same single direction conductive series connection, without self-limiting; if the first battery When the charging or discharging current of E1 and the second battery E2 is large, the third diode D3 can be replaced by two or more diodes in the same single direction conductive parallel connection; if the first battery E1 and the second battery E2 are charged Or the discharge current is large, the fourth diode D4 can be replaced by two or more diodes in the same single direction conductive parallel connection; Voltage of the voltage across the first battery E1 and the two ends of the second battery E2 If the phase difference is large and the charging or discharging current is large, the first, second, third, and fourth diodes may be electrically connected in parallel with two or more diodes in the same direction, and then the parallel diodes may be Two or more identical single direction conductive series connections are substituted.
如圖3所示，為本發明電池介面之第2實施例，自圖中可知，第1電池E1可串聯第1多只電池E1N，第2電池E2亦可串聯第2多只電池E2N，其第1電池E1串聯第1多只電池E1N與第2電池E2串聯第2多只電池E2N兩組並聯連接，其兩組之間連接有電壓平衡電路，其間之電壓平衡電路原理與圖2所述之電壓平衡電路原理相同、而不贅述。 As shown in FIG. 3, in the second embodiment of the battery interface of the present invention, it can be seen from the figure that the first battery E1 can be connected in series with the first plurality of batteries E1N, and the second battery E2 can be connected in series with the second plurality of batteries E2N. The first battery E1 is connected in series with the first plurality of batteries E1N and the second battery E2 is connected in series. The second plurality of batteries E2N are connected in parallel, and a voltage balance circuit is connected between the two groups. The principle of the voltage balance circuit is as described in FIG. The principle of the voltage balance circuit is the same and will not be described.
如圖4所示，為本發明電池介面之第3實施例，自圖中可知，將圖2之第1二極體D1與第3二極體D3對調位置，其第1電池E1到第2電池E2之順向電壓降為第1二極體D1與第2二極體D2之順向電壓降，其第2電池E2到第1電池E1之順向電壓降為第4二極體D4與第3二極體D3之順向電壓降，其電壓平衡電路原理與圖2相同，而不贅述。 As shown in FIG. 4, in the third embodiment of the battery interface of the present invention, it can be seen from the figure that the first battery E1 to the second battery D1 are aligned with the third diode D1 of FIG. The forward voltage drop of the battery E2 is the forward voltage drop of the first diode D1 and the second diode D2, and the forward voltage drop of the second battery E2 to the first battery E1 is the fourth diode D4 and The forward voltage drop of the third diode D3, the principle of the voltage balance circuit is the same as that of FIG. 2, and will not be described again.
如圖5所示，為本發明電池介面之第4實施例，自圖中可知，將圖2之第2二極體D2與第4二極體D4對調位置，其第2電池E2到第1電池E1之順向電壓降為第4二極體D4與第3二極體D3之順向電壓降，其第1電池E1到第2電池E2之順向電壓降為第1二極體D1與第2二極體D2之順向電壓降，其電壓平衡電路原理與圖2相同，而不贅述。 As shown in FIG. 5, in the fourth embodiment of the battery interface of the present invention, it can be seen from the figure that the second diode E2 of FIG. 2 is aligned with the fourth diode D4, and the second battery E2 is first. The forward voltage drop of the battery E1 is the forward voltage drop of the fourth diode D4 and the third diode D3, and the forward voltage drop of the first battery E1 to the second battery E2 is the first diode D1 and The forward voltage drop of the second diode D2, the principle of the voltage balance circuit is the same as that of FIG. 2, and will not be described again.
如圖6所示，為本發明電池介面之第5實施例，自圖中可知，第1電池E1之正電壓端與第2電池E2之正電壓端連接到外正電壓端VP，第1電池E1之負電壓端接到第1二極體D1之陽極端，第1二極體D1之陰極端與第2二極體D2之陽極端連接，第2二極體D2之陰極端連接到第2電池E2之負電壓端；第1電池E1之負電壓端接到第3二極體D3之陰極端，第3二極體D3之陽極端與第4二極體D4之陰極端連接， 第4二極體D4之陽極端連接到第2電池E2之負電壓端；第1二極體D1之陽極端與第3二極體D3之陰極端連接，稱為電壓平衡電路之第1端，第2二極體D2之陰極端與第4二極體D4之陽極端連接，稱為電壓平衡電路之第2端，第1二極體D1之陰極端與第2二極體D2之陽極端與第3二極體D3之陽極端與第4二極體D4之陰極端連接，稱為電壓平衡電路之第3端，連接到外負電壓端VN。 As shown in FIG. 6 , in the fifth embodiment of the battery interface of the present invention, it can be seen from the figure that the positive voltage terminal of the first battery E1 and the positive voltage terminal of the second battery E2 are connected to the external positive voltage terminal VP, the first battery. The negative voltage end of E1 is connected to the anode end of the first diode D1, the cathode end of the first diode D1 is connected to the anode end of the second diode D2, and the cathode end of the second diode D2 is connected to the first end. 2 the negative voltage terminal of the battery E2; the negative voltage end of the first battery E1 is connected to the cathode end of the third diode D3, and the anode end of the third diode D3 is connected to the cathode end of the fourth diode D4. The anode terminal of the fourth diode D4 is connected to the negative voltage terminal of the second battery E2; the anode terminal of the first diode D1 is connected to the cathode terminal of the third diode D3, which is called the first end of the voltage balance circuit. The cathode end of the second diode D2 is connected to the anode end of the fourth diode D4, and is called the second end of the voltage balance circuit, and the cathode end of the first diode D1 and the anode of the second diode D2. The terminal end of the terminal body of the third diode D3 is connected to the cathode terminal of the fourth diode D4, and is called the third terminal of the voltage balancing circuit, and is connected to the external negative voltage terminal VN.
如圖6所示，本發明之充電動作原理為：電流自外正電壓點VP，經第1電池E1之正電壓端，第1電池E1之負電壓端到第1二極體D1之陽極端到第1二極體D1之陰極端，回到外負電壓端VN；另一電流自外正電壓端VP，經第2電池E2之正電壓端，第2電池E2之負電壓端到第4二極體D4之陽極端，到第4二極體D4之陰極端，回到外負電壓端VN，而完成充電程序。 As shown in FIG. 6, the charging operation principle of the present invention is: current from the external positive voltage point VP, through the positive voltage end of the first battery E1, the negative voltage end of the first battery E1 to the anode end of the first diode D1 Go to the cathode terminal of the first diode D1 and return to the external negative voltage terminal VN; the other current from the external positive voltage terminal VP, through the positive voltage terminal of the second battery E2, and the negative voltage terminal of the second battery E2 to the fourth The anode terminal of the diode D4 goes to the cathode terminal of the fourth diode D4 and returns to the external negative voltage terminal VN to complete the charging process.
如圖6所示，本發明之放電動作原理為：第1電池E1之正電壓端之電流經外正電壓端VP，供應設定負載(圖中無表示)，到外負電壓端VN，經第3二極體D3之陽極端，到第3二極體D3之陰極端，回到第1電池E1之負電壓端；另一電流自第2電池E2之正電壓端，經外正電壓端VP，供應設定負載(圖中無表示)，到外負電壓端VN，經第2二極體D2之陽極端，到第2二極體D2之陰極端，回到第2電池E2之負電壓端，而完成放電程序。 As shown in FIG. 6, the discharge operation principle of the present invention is that the current of the positive voltage terminal of the first battery E1 is supplied to the set load (not shown) through the external positive voltage terminal VP, to the external negative voltage terminal VN, 3 anode end of diode D3, to the cathode end of the third diode D3, return to the negative voltage end of the first battery E1; another current from the positive voltage end of the second battery E2, through the external positive voltage terminal VP Supply a set load (not shown) to the external negative voltage terminal VN, through the anode terminal of the second diode D2, to the cathode terminal of the second diode D2, and return to the negative voltage terminal of the second battery E2. And complete the discharge procedure.
如圖6所示，第1二極體D1之陽極與第1電池E1之負電壓端連接，第1二極體D1之陰極端與第2二極體D2之陽極端連接，第2二極體D2之陰極端連接第2電池E2之負電壓端，利用第1二極體D1與第2二極體D2之順向電壓降，可消除兩電池之間之環流產生；若第1電池E1與第2電池E2兩端之電壓相差大，則可採用第1二極體D1為兩只或多只二極體同一單方向導電串聯連接替代，第2二極體D2為兩只或 多只二極體同一單方向導電串聯連接替代，而不自限；若第1電池E1與第2電池E2之充電或放電電流大，則第1二極體D1可採用兩只或多只二極體同一單方向導電並聯連接替代；若第1電池E1與第2電池E2之充電或放電電流大，則第2二極體D2可採用兩只或多只二極體同一單方向導電並聯連接替代；第3二極體D3之陰極端與第1電池E1之負電壓端連接，第3二極體D3之陽極端與第4二極體D4之陰極端連接，第4二極體D4之陽極端連接第2電池E2之負電壓端，利用第3二極體D3與第4二極體D4之順向電壓降，可消除兩電池之間之環流產生；若第1電池E1兩端之電壓與第2電池E2兩端之電壓相差大，則可採用第3二極體D3為兩只或多只二極體同一單方向導電串聯連接替代，第4二極體D4為兩只或多只二極體同一單方向導電串聯連接替代，而不自限；若第1電池E1與第2電池E2之充電或放電電流大，則第3二極體D3可採用兩只或多只二極體同一單方向導電並聯連接替代；若第1電池E1與第2電池E2之充電或放電電流大，則第4二極體D4可採用兩只或多只二極體同一單方向導電並聯連接替代；若第1電池E1兩端之電壓與第2電池E2兩端之電壓相差大與充電或放電電流大，則第1、第2、第3、第4二極體可採用兩只或多只二極體同一單方向導電並聯連接，再將並聯後之二極體以兩只或多只同一單方向導電串聯連接替代。 As shown in FIG. 6, the anode of the first diode D1 is connected to the negative voltage terminal of the first battery E1, and the cathode end of the first diode D1 is connected to the anode terminal of the second diode D2, and the second diode is connected. The cathode end of the body D2 is connected to the negative voltage terminal of the second battery E2, and the forward voltage drop between the first diode D1 and the second diode D2 can eliminate the circulation between the two batteries; if the first battery E1 When the voltage difference between the two ends of the second battery E2 is large, the first diode D1 can be replaced by two or more diodes in the same single direction conductive series connection, and the second diode D2 is two or more. The diode is replaced by the same single-direction conductive series connection, and is not self-limiting; if the charging or discharging current of the first battery E1 and the second battery E2 is large, the first diode D1 can adopt two or more diodes. The same single direction conductive parallel connection is replaced; if the first battery E1 and the second battery E2 have a large charging or discharging current, the second diode D2 can be replaced by two or more diodes in the same single direction conductive parallel connection; The cathode end of the third diode D3 is connected to the negative voltage terminal of the first battery E1, and the anode end of the third diode D3 is connected to the cathode terminal of the fourth diode D4. The anode terminal of the fourth diode D4 is connected to the negative voltage terminal of the second battery E2, and the forward voltage drop between the third diode D3 and the fourth diode D4 can eliminate the circulation between the two batteries; When the voltage across the first battery E1 is different from the voltage across the second battery E2, the third diode D3 can be used instead of two or more diodes in the same single direction conductive series connection, the fourth pole The body D4 is replaced by two or more diodes in the same single direction conductive series connection, and is not self-limiting; if the charging or discharging current of the first battery E1 and the second battery E2 is large, the third diode D3 can be used. Two or more diodes are replaced by the same single direction conductive parallel connection; if the first battery E1 and the second battery E2 have large charging or discharging current , the fourth diode D4 can be replaced by two or more diodes in the same single direction conductive parallel connection; if the voltage across the first battery E1 and the voltage across the second battery E2 differs greatly from charging or discharging When the current is large, the first, second, third, and fourth diodes may be connected in parallel with one or more diodes in the same direction, and then the two diodes in parallel may be the same in two or more. Single direction conductive series connection instead.
如圖7所示，為本發明電池介面之第6實施例，自圖中可知，第1電池E1可串聯第1多只電池E1N，第2電池E2亦可串聯第2多只電池E2N，其第1電池E1串聯第1多只電池E1N與第2電池E2串聯第2多只電池E2N兩組並聯連接，其兩組之間連接有電壓平衡電路，而電壓平衡電路原理與圖6所述之電壓平衡電路原理相同，而不贅述。 As shown in FIG. 7 , in the sixth embodiment of the battery interface of the present invention, it can be seen from the figure that the first battery E1 can be connected in series with the first plurality of batteries E1N, and the second battery E2 can be connected in series with the second plurality of batteries E2N. The first battery E1 is connected in series with the first plurality of batteries E1N and the second battery E2 is connected in series. The second plurality of batteries E2N are connected in parallel, and a voltage balance circuit is connected between the two groups. The principle of the voltage balance circuit is as shown in FIG. The principle of the voltage balance circuit is the same and will not be described.
如圖8所示，為本發明電池介面之第7實施例，自圖中可 知，將圖6之第1二極體D1與第3二極體D3對調位置，其第1電池E1到第2電池E2之順向電壓降為第1二極體D1與第2二極體D2之順向電壓降，其第2電池E2到第1電池E1之順向電壓降為第4二極體D4與第3二極體D3之順向電壓降，其電壓平衡電路原理與圖6相同，而不贅述。 As shown in FIG. 8, the seventh embodiment of the battery interface of the present invention is as shown in the figure. It is understood that the first diode E1 and the third diode D3 of FIG. 6 are aligned, and the forward voltage drop of the first battery E1 to the second battery E2 is the first diode D1 and the second diode. The forward voltage drop of the second battery E2 to the first battery E1 is the forward voltage drop of the fourth diode D4 and the third diode D3, and the voltage balance circuit principle and FIG. 6 The same, not repeating.
如圖9所示，為本發明電池介面之第8實施例，自圖中可知，將圖6之第2二極體D2與第4二極體D4對調位置，其第2電池E2到第1電池E1之順向電壓降為第4二極體D4與第3二極體D3之順向電壓降，其第1電池E1到第2電池E2之順向電壓降為第1二極體D1與第2二極體D2之順向電壓降，其電壓平衡電路原理與圖6相同，而不贅述。 As shown in FIG. 9, the eighth embodiment of the battery interface of the present invention, as shown in the figure, the second battery E2 of FIG. 6 is aligned with the fourth diode D4, and the second battery E2 is first. The forward voltage drop of the battery E1 is the forward voltage drop of the fourth diode D4 and the third diode D3, and the forward voltage drop of the first battery E1 to the second battery E2 is the first diode D1 and The forward voltage drop of the second diode D2, the principle of the voltage balance circuit is the same as that of FIG. 6, and will not be described again.
EA‧‧‧習知電池 EA‧‧‧知知电池
EB‧‧‧習知電池 EB‧‧‧知知电池
E1‧‧‧第1電池 E1‧‧‧1st battery
E2‧‧‧第2電池 E2‧‧‧2nd battery
E1N‧‧‧第1多只電池 E1N‧‧‧1st battery
E2N‧‧‧第2多只電池 E2N‧‧‧2nd battery
D1‧‧‧第1二極體 D1‧‧‧1st dipole
D2‧‧‧第2二極體 D2‧‧‧2nd Diode
D3‧‧‧第3二極體 D3‧‧‧3rd Dipole
D4‧‧‧第4二極體 D4‧‧‧4th Diode
VP‧‧‧外正電壓端 VP‧‧‧ external positive voltage terminal
VN‧‧‧外負電壓端 VN‧‧‧ external negative voltage terminal
圖1為習知電池並聯連接電路。 FIG. 1 is a conventional battery parallel connection circuit.
圖2為本發明電池介面之第1實施例。 Figure 2 is a first embodiment of the battery interface of the present invention.
圖3為本發明電池介面之第2實施例。 Figure 3 is a second embodiment of the battery interface of the present invention.
圖4為本發明電池介面之第3實施例。 Figure 4 is a third embodiment of the battery interface of the present invention.
圖5為本發明電池介面之第4實施例。 Figure 5 is a fourth embodiment of the battery interface of the present invention.
圖6為本發明電池介面之第5實施例。 Figure 6 is a fifth embodiment of the battery interface of the present invention.
圖7為本發明電池介面之第6實施例。 Figure 7 is a sixth embodiment of the battery interface of the present invention.
圖8為本發明電池介面之第7實施例。 Figure 8 is a seventh embodiment of the battery interface of the present invention.
圖9為本發明電池介面之第8實施例。 Figure 9 is an eighth embodiment of the battery interface of the present invention.
E1‧‧‧第1電池 E1‧‧‧1st battery
E2‧‧‧第2電池 E2‧‧‧2nd battery
D1‧‧‧第1二極體 D1‧‧‧1st dipole
D2‧‧‧第2二極體 D2‧‧‧2nd Diode
D3‧‧‧第3二極體 D3‧‧‧3rd Dipole
D4‧‧‧第4二極體 D4‧‧‧4th Diode
VP‧‧‧外正電壓端 VP‧‧‧ external positive voltage terminal
VN‧‧‧外負電壓端 VN‧‧‧ external negative voltage terminal
Claims (10)
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| TW100111922A TWI499164B (en) | 2011-04-07 | 2011-04-07 | Cell interface |
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| TW100111922A TWI499164B (en) | 2011-04-07 | 2011-04-07 | Cell interface |
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| TW201242216A TW201242216A (en) | 2012-10-16 |
| TWI499164B true TWI499164B (en) | 2015-09-01 |
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| TWI504102B (en) * | 2012-11-23 | 2015-10-11 | Chao Cheng Lu | Thyristor cell interface |
| TWI473385B (en) * | 2013-04-24 | 2015-02-11 | Metal Ind Res & Dev Ct | Charging device with charging balancing and charging method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200990518Y (en) * | 2006-12-26 | 2007-12-12 | 天津华云自控股份有限公司 | Buffer circuit of accumulator pile charging and discharging |
| CN101202453A (en) * | 2006-12-15 | 2008-06-18 | 中兴通讯股份有限公司 | Method and system for controlling single-phase semi-bridge inversion parallel connection direct current circulating current |
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2011
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101202453A (en) * | 2006-12-15 | 2008-06-18 | 中兴通讯股份有限公司 | Method and system for controlling single-phase semi-bridge inversion parallel connection direct current circulating current |
| CN200990518Y (en) * | 2006-12-26 | 2007-12-12 | 天津华云自控股份有限公司 | Buffer circuit of accumulator pile charging and discharging |
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