KR20130021555A - The parallel connection device of the circuit for charge and discharge of multiple batteries - Google Patents
The parallel connection device of the circuit for charge and discharge of multiple batteries Download PDFInfo
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- KR20130021555A KR20130021555A KR1020110083878A KR20110083878A KR20130021555A KR 20130021555 A KR20130021555 A KR 20130021555A KR 1020110083878 A KR1020110083878 A KR 1020110083878A KR 20110083878 A KR20110083878 A KR 20110083878A KR 20130021555 A KR20130021555 A KR 20130021555A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/10—Energy storage using batteries
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Abstract
Description
본 발명은 소형선박 및 자동차등에서 다수의 배터리를 병렬연결하여 사용할때 발생하는 문제점들을 해결하는 다수의 배터리병렬연결방법 및 장치다.
The present invention is a plurality of battery parallel connection method and apparatus that solves the problems caused when using a plurality of batteries in parallel in a small ship, such as automobiles.
자동차나 소형선박 등과 같이 한정된 내부공간에서 많은 전기에너지를 축적하여 이동하면서 사용하려면 배터리의 용량을 큰것으로 사용하면되나 현실적으로 국내에서 상품화되어 보편적으로 사용하는것의 최대치는 배터리 1개당 12볼트에 250AH(amper hour)이다.To accumulate and move a lot of electric energy in a limited internal space such as a car or a small ship, you can use a large capacity of the battery, but in reality, it is commercialized in Korea and the maximum value of universal use is 250AH (amperes) for 12 volts per battery. hour).
그러나 소형선박이나 자동차에서 많은 전기를 사용하려면 배터리를 직렬연결하여 전압을 높여야하지만 소형선박이나 차량 등 한정된 내부공간에서 손쉽게 얻을수있는 전압은 12V거나 24V뿐이다. However, in order to use a lot of electricity in a small ship or a car, it is necessary to increase the voltage by connecting a battery in series, but the voltage easily obtained in a limited internal space such as a small ship or a vehicle is only 12V or 24V.
이런경우 부득이 병렬연결하여 다수의 배터리을 사용할수있으나 배터리의 특성상 병렬연결시 전기를 사용할때는 전기를 사용할수록 단자전압이 내려가는데 각각의 배터리마다 내부저항의 차이로 배터리 상호간에 전위차가 생겨 실제로 사용하지못하고 손실되는 전력이 발생된다.In this case, it is inevitable that many batteries can be used in parallel connection. However, when using electricity in parallel connection, the terminal voltage decreases as electricity is used. However, due to the difference in the internal resistance of each battery, the potential difference between the batteries prevents the actual use. Lost power is generated.
이런현상은 전기를 사용하지않은 상태에서도 배터리 상호간의 전위차를 줄이기위하여 병렬연결된 배터리들 서로가 충방전하고 있으므로 배터리 소모가 빨라지고 결국은 배터리의 수명까지도 저하시키고 있다. This phenomenon, even in the absence of electricity, in order to reduce the potential difference between the batteries in parallel to each other because the charge and discharge of the battery is connected to each other, the battery consumption is faster, and eventually the life of the battery.
기존의 병렬연결시에는 외부전원에서오는 전력을 특별한 제어장치없이 각개의 배터리로 흘러들러가므로 일부배터리에서 과전류충전에의한 열발생으로 전해액증발등의 부작용이 생기고 방전시에도 각각의 배터리의 소유전력이 제어장치없이 방전되므로 일부 병렬연결된 다수의 배터리중 내부저항이 낮은 고용량배터리의 경우 급방전현상이 일어나서 이 또한 배터리의 열화를 초래하므로 배터리 수명과 안전에 많은 피해을 준다.In the existing parallel connection, power from an external power source flows into each battery without any special control device. Therefore, some batteries have side effects such as electrolyte evaporation due to heat generation due to overcurrent charging. Since power is discharged without a control device, a high-capacity battery having a low internal resistance among a plurality of batteries connected in parallel generates a rapid discharge, which also causes battery deterioration, thus damaging battery life and safety.
또한 충전회로나 방전회로에서 병렬로 연결된 다수의 배터리가 서로간의 전압및 내부저항차이로 만충전된 상태에서도 배터리 단자간에 전압차이가 발생하며 이로인하여 배터리단자전압이높은측에서 배터리단자전압이낮은측으로 방전되는 현상이 일어난다.In addition, even when a plurality of batteries connected in parallel in a charging circuit or a discharging circuit are fully charged due to differences in voltage and internal resistance between each other, a voltage difference occurs between the battery terminals. As a result, the battery terminal voltage is increased from the high battery terminal side to the low battery terminal side. The discharge phenomenon occurs.
이와같이 내부저항이 서로차이가나는 다수의 배터리들간의 전압차이가 생겨 배터리들이 서로간의 계속되는 충방전현상으로 충전중이거나 완충전후 무부하시나 부하에 방전시에도 배터리내부의 자체전력손실이 생겨 결국에는 배터리의 수명을단축시킨다.As such, the voltage difference between a plurality of batteries having internal resistances different from each other causes the batteries to be continuously charged and discharged with each other. Shorten the life.
본 발명은 도2 에서와 같이 +출력은 병렬로 연결된 다수의 배터리로 부터 전력을 공급받아 부하의 단자에 직류전력을 보내주는 +극성의 출력점이다.In the present invention, as shown in FIG. 2, the + output is a + polarity output point that receives power from a plurality of batteries connected in parallel and sends DC power to a terminal of a load.
+입력은 직류발전기,직류전원충전기등으로 부터 직류전원+을 공급받는 곳이다. + Input is where DC power supply + is supplied from DC generator, DC power charger, etc.
충전되는 전류은 충전전용 단방향소자 CQ1을 통해 충전전용 과전류제어소자 CCC1를 거쳐 배터리BT1에 전력을 충전하며 충전된 전력은 방전전용 과전류제어소자 DCC1을 거쳐 방전전용 단방향 전류소자DQ1을 거처 부하가 걸려있는 +출력측으로 전력을 공급한다.The charged current is charged to the battery BT1 via the charge-only unidirectional element CQ1 via the charge-only overcurrent control element CCC1, and the charged power is passed through the discharge-only overcurrent control element DCC1 to the discharge-only unidirectional current element DQ1. Supply power to the output side.
이에 DQ1은 독립적으로 병렬회로에 연결되어있는 배터리 BT2및 배터리 BTn 까지의 배터리로부터 배터리 BT1로 들어오려는 전력의 역류를 억제하며 부하들이 모여있는 +출력측으로만 전력을 보낸다.The DQ1 suppresses the reverse flow of power to the battery BT1 from the battery BT2 and the battery BTn, which are independently connected to the parallel circuit, and sends power only to the + output side where the loads are collected.
이렇듯 병렬로 연결된 각 배터리는 각각의 충전전용단방향 전류소자를 거처 충전 전류를 공급받고 방전시에는 각각 배터리의 방전전용 단방향전류소자들을 거처 전력이 동시에 +출력단자에만 공급된다.As described above, each battery connected in parallel is supplied with a charging current through each charge-only unidirectional current device, and when discharged, power is supplied only to the + output terminal at the same time through discharge-only one-way current devices.
위와 같이 본 발명은 다수의 배터리를 병렬로 연결시 각각의 배터리에 방전라인에 방전전용 단방향전류소자와, 상기방전라인에 방전전용 과전류제어소자를 설치하고,상기 충전라인에 충전전용 단방향전류소자와,상기 충전라인에 충전전류전용 과전류제어소자를 설치하여 병렬연결된 배터리들이 상호간에 전기적으로 간섭이없도록하는 것을 특징으로하는 다수의 배터리병렬연결방법 및 장치로 기존의 배터리병렬연결에 대한 문제점들이 해결된다.As described above, in the present invention, when a plurality of batteries are connected in parallel, a discharge-only unidirectional current device is installed in each discharge line in a discharge line, and a discharge-only overcurrent control device is installed in the discharge line. The problem of the conventional battery parallel connection is solved by a plurality of battery parallel connection methods and apparatuses in which an overcurrent control device dedicated to a charging current is installed in the charging line so that the parallel-connected batteries do not electrically interfere with each other. .
이렇듯 병렬로 연결된 각 배터리는 각각의 충전전용단방향 전류소자를거처 충전전류를 공급받고 방전시에는 각각배터리의 방전전용 단방향전류소자들을 거처 전력이 동시에 +출력단자에만 공급된다. As described above, each battery connected in parallel is supplied with a charging current through each charge-only unidirectional current device, and when discharged, power is supplied only to the + output terminal at the same time through discharge-only one-way current devices.
병렬로 연결된 각 배터리는 각각의 충전전용과 방전전용소자들을 거처 전력이 동시에 입력되며 또한 동시에 출력된다. Each battery connected in parallel is simultaneously inputted and simultaneously outputted through respective charge-only and discharge-only devices.
상기와 같이 동시에 충전되고 방전되나 각 배터리의 독립된 제어소자들이 서로간의 전원을 간섭하지않고 역류하지도 않는게 본 발명의 과제해결수단이다.While simultaneously charging and discharging as described above, it is a problem solving means of the present invention that independent control elements of each battery do not interfere with each other and do not flow back.
본 발명은 배터리 개개마다 충전전용의 단방향전류소자와 방전전용의 단방향 전류소자를 배터리 하나하나마다 각각 따로따로 달아주어서 충전시에서도 병렬연결된 배터리들이 서로 간섭이 없으며 방전시에도 병렬연결된 배터리들이 서로 간섭이 없도록한 회로기술이며, 배터리 각각의 충전전용 과전류제어소자와 방전전용 과전류제어소자로 급충전 및 급방전을 제어하도록하였다.According to the present invention, a single unidirectional current device dedicated to charge and a single unidirectional current device dedicated to discharge are separately provided for each battery, so that the parallel-connected batteries do not interfere with each other even during charging, and the parallel-connected batteries do not interfere with each other even during discharge. It is a circuit technology that prevents the rapid charging and discharging with the overcurrent control device dedicated to charge and discharge for each battery.
이러한 발명으로 배터리 개개의 최대한의 수명까지 사고없이 제수명을 모두 유지할수있으며 낮은전압의 배터리 만으로도 본 발명으로 다수의 배터리를 병렬연결하여 저장용량을키워 무리없이 대전력을 외부회로의 충전보충없이 장시간사용할수있도록하는 기술이다.With this invention, it is possible to maintain all the lifespan without any accidents up to the maximum life of each individual battery. With the low voltage battery only, the present invention can connect a large number of batteries in parallel to increase the storage capacity. It is a technology that can be used.
본 발명으로 다수의 병렬연결된 배터리의 장시간 사용의 안전성을 향상시킬수있다. The present invention can improve the safety of long time use of a plurality of parallel connected battery.
제1도면는 종래 소형선박에서 사용중인 다수의배터리를 병렬로 연결하는 구성도
제2도면는 본 발명의 다수의배터리병렬연결 구성도1 is a configuration diagram connecting a plurality of batteries in use in a conventional small vessel in parallel
2 is a diagram of a plurality of battery parallel connection configuration of the present invention
이하에서는 도면을 참조하여 본 발명을 보다 상세하게 설명한다.Hereinafter, with reference to the drawings will be described the present invention in more detail.
제1도는 종래에 배터리을 병렬로 연결하여 사용중인 소형선박의 구성도이다.1 is a configuration diagram of a small ship in use by connecting batteries in parallel.
일반적으로 소형선박에는 한정된 전압에서 많은 전력을 사용하기 원하는 사용자가 많기에 이에 부득이하게 배터리을 병렬로 연결하여 사용하는 경우가 많다.In general, small ships have a lot of users who want to use a lot of power at a limited voltage, so inevitably, batteries are connected in parallel.
평균 배터리(10a,10b,10c,10d)250AH의 고용량을 다수로 병렬로 연결하여 사용하는경우가 많은데 지속적인 아무 제제없이 충방전을 계속하다보면 배터리의 내부저항이 각각 배터리마다 차이를 보이게 된다.In many cases, the high capacity of the average battery (10a, 10b, 10c, 10d) 250AH is connected in parallel in many cases, but if the charge and discharge is continued without any continuous preparation, the internal resistance of the battery is different for each battery.
메인시스템 도1에서 (12)에 냉장고, TV, 전자레인지, 히터, 조명 등 많은 전기제품의 사용으로 지속적인 방전이 발생된다.Main System In Figure 1 (12) the continuous discharge is generated by the use of many electrical appliances, such as refrigerators, TVs, microwave ovens, heaters, lighting.
이 경우 예을들어 배터리 10a부터 10n까지는 초기에는 내부저항이 3미리옴정도이던것이 배터리를 장기간 사용하다보면 내부저항이 3미리옴에서 7미리옴등으로 변하게된다 In this case, for example, the internal resistance of the
이 상태로 지속적으로 사용하게 되면 배터리의 내부저항의 변화로 병렬연결된 배터리들간에 내부저항의 불평등으로 전압및 용량불평등이 발생하여 배터리의 수명과 안전성에 문제가 발생한다.If the battery is continuously used in this state, voltage and capacity inequality may occur due to the inequality of the internal resistance between the batteries connected in parallel due to the change in the internal resistance of the battery, which may cause a problem in battery life and safety.
병렬연결된 다수의 배터리 중 내부저항이 제일 적어서 배터리 잔량이 제일 많이 보유하고 전압도 높은 배터리가 내부저항이 제일 커져서 단자전압은 높아도 보유전하량이적은 배터리측으로 자체 방전이되어 자체적으로 전력을 손실하다 보면 실제 부하에서 소비되지못하고 배터리들 상호간의 충방전현상으로 무효전력발생이 점점커져 배터리의 용량도 감소시키며 배터리의수명을 단축시킨다.Among the batteries connected in parallel, the internal resistance is the smallest, so the battery has the most remaining capacity and the battery with the highest voltage has the largest internal resistance. It is not consumed at the load, and the generation of reactive power is increased due to the charge and discharge of the batteries, which reduces the battery capacity and shortens the battery life.
충전시에도 문제가 발생하게된다.Problems occur even when charging.
충전시에는 충전전류또한 내부저항이 낮은배터리 부터 내부저항이 높은배터리순으로 충전전류량이 차이를 두고 흐르므로 충전전류가 과다하게 한쪽으로 쏠리는현상이 발생하므로 배터리의 과열현상이 일어나 배터리액의 조기증발로 수명을 단축하게된다. At the time of charging, since the charging current flows from the battery with the low internal resistance to the battery with the highest internal resistance, the charging current is excessively concentrated on one side. To shorten the life.
다시말해 종전의 병렬연결방식의 문제점은 충전과 방전을 지속적으로 사용하다보면 각각의 전하량이 다른 배터리중 제일 잔량이 적은 배터리가 평균잔량의 배터리로 평준화된다는것에 있다.In other words, the problem with the conventional parallel connection method is that if the charge and discharge are continuously used, the battery with the lowest amount of charge of each other is leveled with the average remaining battery.
방전시에는 제일전하량이 많은 배터리가 가장 많이 전력을 출력하여 소진하고, 충전시에는 전하의 보유가능용량이 가장적은 배터리가 제일 빨리 충전된다.At the time of discharge, the battery with the most charge amount outputs the most power and is exhausted, and at the time of charging, the battery with the lowest charge storage capacity is charged the fastest.
그러다보니 잔량이 많은 배터리(10b)는 방전될때 제일 많은량을 소진하면서도 충전시에는 제일 마지막으로 충전되는 현상이 지속되게된다.Therefore, the
그에 반해 배터리(10c)와 같은 경우는 방전될때 제일 적은량을 소진하고, 충전시에는 제일먼저 충전되는 현상이 발생하다 보면 이 배터리(10c)의 용량이 전체배터리의 기준이 되게된다.On the contrary, in the case of the battery 10c, the smallest amount is consumed when discharged and the first charge occurs when the battery is discharged. Thus, the capacity of the battery 10c becomes a reference for the entire battery.
기존의 병렬방식의 배터리는 상기와같이 충전 방전의 문제뿐만아니라 특별한 제어장치 없이 각개의 배터리로 흘러들어가므로 일부 배터리에는 과전류충전에의한 열발생으로 전해액증발등의 부작용이생기고 방전시에도 각각의 배터리의 소유전력이 제어장치없이 방전되므로 일부 고용량배터리의 경우 급방전현상이 일어나서 이 또한 배터리의 열화를 초래하므로 배터리 수명과 안전에 많은 피해를 주었다.Conventional parallel type battery not only has a problem of charging and discharging as above but also flows into each battery without special control device, so some batteries have side effects such as electrolyte evaporation due to heat generation due to overcurrent charging, Since the battery's own power is discharged without a control device, some high-capacity batteries have a sudden discharge phenomenon, which also causes the battery to deteriorate, thus causing a great damage to battery life and safety.
또한 충전회로나 방전회로에서 병렬로 연결된 다수의 배터리가 서로간의 전압 및 내부저항차이로 만충전된 상태에서도 배터리 단자간에 전압차이가 발생하며 이로인하여 단자전압이높은배터리에서 단자전압이낮은배터리로 방전되는현상이 일어난다.In addition, even when a plurality of batteries connected in parallel in a charging circuit or a discharging circuit are fully charged due to differences in voltage and internal resistance between each other, a voltage difference occurs between battery terminals. As a result, a battery with a high terminal voltage is discharged from a battery with a low terminal voltage. Happens.
다수의 전압차이가 나는 배터리들이 서로간의 끝이없는 충방전현상으로 충전중이거나 완충전후 부하사용시나 무부하시에도 배터리내부의 자체전력손실이 생겨 결국에는 배터리가 제수명을 다하지못하고 일찍손상되었다.Batteries with multiple voltage differences are endlessly charged and discharged, or they lose their own power inside the battery, even when fully charged or unloaded or under no load.
이로인하여 배터리의 발열과 배터리 고유의 사용시간이 단축되는 문제점이있다.As a result, there is a problem in that the heat generation of the battery and the inherent use time of the battery are shortened.
본 발명의 목적은 다수의 배터리를 병렬로 연결하여 사용시 전체 배터리의 단자전압은 변동없이 전력량을키워 전력사용양을 안전하게 확장시키고 배터리의 수명 또한 연장하는데있다.An object of the present invention is to increase the amount of power without changing the terminal voltage of the entire battery when using a plurality of batteries connected in parallel to safely extend the amount of power used and to extend the life of the battery.
따라서, 본 발명의 목적은 이와 같은 종래의 문제점을 감안하여 배터리를 병렬로 연결사용하여 충전 또는 방전시킬 경우 그 배터리를 각각 독립적으로 회로구성을 하여 충,방전이 이루어지도록 하는 배터리병렬연결 장치를 제공함에 있다.Accordingly, an object of the present invention is to provide a battery parallel connection device for charging and discharging the battery is configured independently of each other when charging or discharging by using the battery in parallel connection in view of the conventional problems as described above. Is in.
본 발명의 도면2에서 도시한바와 같이 출력은 병렬로 연결된 여러개의 배터리로부터 전력을 공급받아 부하의 단자에 직류전력을 보내주는 +극성의 출력점이다.As shown in FIG. 2 of the present invention, the output is a + polarity output point that receives power from several batteries connected in parallel and sends DC power to a terminal of a load.
+입력은 직류발전기, 직류전원충전기등으로 부터 직류전원+을 공급받는 곳이다.+ Input is where DC power supply + is supplied from DC generator, DC power charger, etc.
충전되는 전류은 충전전용 단방향전류소자CQ1을 통해 충전전용 과전류제어소자CCC1를 거쳐 배터리BT1에 전력을 충전하며 충전된 전력은 방전전용 과전류제어소자 DCC1을 거처 방전전용 단방향 전류소자 DQ1을 거처 부하가 걸려있는 +출력측으로 전력을 공급한다.The charged current is charged through the charge-only unidirectional current device CQ1 through the charge-only overcurrent control device CCC1 and the battery BT1 is charged. Supply power to the output side.
이에 DQ1은 독립적으로 병렬회로에 각각연결되어있는 배터리BT2 및 배터리BTn까지의 배터리로부터 배터리BT1으로 들어오려는 전력의역류를 억제하며 부하들이 모여있는 +출력측으로만 전력을 보낸다.The DQ1 suppresses the reverse flow of power to the battery BT1 from the battery BT2 and the battery BTn, which are each independently connected to the parallel circuit, and sends power only to the + output side where the loads are collected.
이렇듯 병렬로 연결된 각 배터리는 각각의 충전전용단방향 전류소자를거처 충전전류를 공급받고 방전시에는 각각배터리의 방전전용 단방향전류소자들을 거처 전력이 동시에 +출력단자에만 공급된다. As described above, each battery connected in parallel is supplied with a charging current through each charge-only unidirectional current device, and when discharged, power is supplied only to the + output terminal at the same time through discharge-only one-way current devices.
병렬로 연결된 각 배터리는 각각의 충전전용과 방전전용소자들을 거처 전력이 동시에 입력되며 또한 동시에 출력된다. Each battery connected in parallel is simultaneously inputted and simultaneously outputted through respective charge-only and discharge-only devices.
상기와 같이 동시에 충전되고 방전되나 각 배터리의 독립된 제어소자들이 서로간의 전원을 간섭하지않고 역류하지도 않는게 본 발명의 과제해결수단이다.While simultaneously charging and discharging as described above, it is a problem solving means of the present invention that independent control elements of each battery do not interfere with each other and do not flow back.
충전전용 과전류제어소자CCC1은 충전전용단방향전류소자CQ1으로 부터 공급받은 전력을 사용자가 지정한 최대전류이하로만 배터리BT1에 공급한다.The charge-only overcurrent control device CCC1 supplies the power supplied from the charge-only unidirectional current device CQ1 to the battery BT1 only under the maximum current specified by the user.
이와 같이 방전전용 과전류소자DCC1 또한 사용자가 지정한 최대전류이하로만 방전용 단방향전류소자DQ1에 공급한다.In this manner, the discharge-only overcurrent device DCC1 is also supplied to the discharge unidirectional current device DQ1 only under the maximum current specified by the user.
이는 종래의 병렬연결방식과는 또 다른 각각의 배터리들은 독립된회로로 이루어지며 전력을 충전시와 방전시에만 전력이 하나로 합쳐지는 또다른 병렬회로이다.This is another parallel circuit that is separate from the conventional parallel connection method, each battery is composed of an independent circuit and the power is merged only when charging and discharging the power.
도표1에서 배터리(10a)부터 배터리(10d)까지는 충방전시 배터리의 잔량에의해 우선순위가 정해지는 반면 상기 본발명의 병렬연결방식은 각 배터리의 과전류제어소자을통해 사용자가 지정한 전류이상을 충,방전하지 않는다.In Table 1, the
그러므로 배터리의 잔량에 상관없이 각 배터리에 보내지는 충전전류량은 사용자가 지정한 과전류제어소자의 충전전류량이하로만 동시에 충전된다.Therefore, the amount of charge current sent to each battery is simultaneously charged only under the amount of charge current of the user-specified overcurrent control element, regardless of the remaining battery capacity.
물론 방전시에도 각 배터리의 방전전류는 과전류제어소자의 지정된 전류이하로만 동시에 방전된다.Of course, at the time of discharge, the discharge current of each battery is discharged at the same time only below the designated current of the overcurrent control element.
방전전용 과전류제어소자DCC1과 충전전용 과전류제어소자CCC1은 지정된 전류한도내에서전력을 공급하도록 전류량을 스스로제어한다.The discharge-only overcurrent control device DCC1 and the charge-only overcurrent control device CCC1 control the amount of current by themselves to supply power within a specified current limit.
상기와 같이 사용되는 배터리들 BT1은 CCC1으로부터 공급되는 전력을 저장하며 DCC1에서 요구하는 전력을 BT1에 저장된 전력한도내에서만 DCC1에 공급한다.The batteries BT1 used as described above store the power supplied from the CCC1 and supply the power required by the DCC1 to the DCC1 only within the power limit stored in the BT1.
DCC1은 CCC1과 BT1으로부터 공급받은 전력을 설정된 전류한도내에서 DQ1에서 요구하는 전력을 공급한다.DCC1 supplies the power required by DQ1 to the power supplied from CCC1 and BT1 within the set current limit.
DQ1은 DCC1에서 공급받은 전력량을 +출력측으로만 전류를 흐르도록하여 DQ2및DQn으로부터 오는 모든 전류를 BT1으로 역류하는것을 방지한다.
DQ1 prevents the current flowing from DQ2 and DQn back to BT1 by flowing the power supplied from DCC1 only to the output side.
DQ1~DQn 방전전용 단방향 전류소자 [schottky diode]
CQ1~CQn 충전전용 단방향 전류소자 [schottky diode]
DCC1~DCCn 방전전용 과전류제어소자 [poly switch]
CCC1~CCCn 충전전용 과전류제어소자 [poly switch]
BT1~BTn 다수의 배터리뱅크는 외부로 부터 직류 전력을 공급받아 보관하고있다가 다시 외부로 직류전력을 공급할수있는 모든 전하의 저장장치를 총칭한다Unidirectional current device for DQ1 ~ DQn discharge [schottky diode]
CQ1 ~ CQn charge-only unidirectional current element [schottky diode]
DCC1 ~ DCCn discharge overcurrent control device [poly switch]
CCC1 ~ CCCn charge-only overcurrent control device [poly switch]
BT1 ~ BTn Many battery banks collectively store all charge storage devices that can receive and store DC power from the outside and supply DC power to the outside again.
Claims (7)
상기 충전라인에 충전전용 단방향전류소자와,
상기 충전라인에 충전전류전용 과전류제어소자를 설치하여 병렬연결된 배터리들이 상호간에 전기적으로 간섭이없도록하는 것을 특징으로하는 다수의 배터리 병렬연결방법 및 장치.When multiple batteries are connected in parallel, each battery should be equipped with a unidirectional current device for discharging in the discharge line and an overcurrent control device for discharging in the discharge line,
A unidirectional current device for charge only in the charging line,
And a plurality of battery parallel connection methods and apparatuses for installing parallel overcurrent control elements in the charging line such that the parallel-connected batteries do not electrically interfere with each other.
상기 단방향전류소자에 전압강하 저하를위하여 쇼트키다이오드(Schottky Diode)를 사용하는 것을 특징으로하는 다수의 배터리병렬연결방법 및 장치.In claim 1
A plurality of battery parallel connection method and apparatus for using the Schottky Diode (Schottky Diode) to reduce the voltage drop in the unidirectional current device.
과전류제어장치에 폴리스위치(Poly Switch)를 사용하는 것을 특징으로하는 다수의 배터리병렬연결방법 및 장치.In claim 1
A method and device for connecting multiple batteries in parallel comprising using a poly switch in an overcurrent controller.
A battery parallel connection method and device for optimizing battery life by installing an overcurrent control device in a discharge line of a battery load so that current owned by each battery flows only below a maximum discharge current designed for each battery.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20200029165A (en) | 2018-09-10 | 2020-03-18 | 한화디펜스 주식회사 | Controlling method for battery module |
| KR20210034882A (en) * | 2019-09-23 | 2021-03-31 | 주식회사 비츠로셀 | Lithium primary battery having safety element with improved safety |
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| JPH08214468A (en) * | 1995-01-31 | 1996-08-20 | Fujitsu Ltd | Battery charger and information processor incorporating it |
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