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1、 Description Technical Field The present invention relates to a power source system having a power accumulator for supplying when a commercial power source oe other interruptible power source breaks down,a power supply control method Of the power source system,a power supply control program Of the p
2、ower source system,a computer readable recoding medium having power supply control program Of the power source system recoded thereon.Background Art In recent years ,a power accumulator has drawn wide attention and been used as backup power source.A backup power source is changed when a commercial p
3、ower source operated normally,and continues supply power to equipment in place of the commercial power source when commercial power source has a defect.Examples of such a backup power source include a UPS（Uninterruptive Power Source）.By instantaneously switching the commercial power source to an out
4、put of the backup power source in case of power outage,a computer or a storage unit in use,as well as network equipment such as a server are prevented from being stopped. Such a backup power source combined with the power accumulator is controlled to maintain residual capacity representing the state
5、 of charge at a high level.In this system,generally because surplus power is charged in power accumulator efficiently by a power generation action of an electric motor,charge|discharge control is performed so that the SOC does not exceed 100%.In order to supply power to the electric motor when neces
6、sary,charge|discharge control is performed so that the SOC does not decrease to 0(zero).Specially,normally in power accumulator,the control is performed so that the SOC fluctuates within a range of 20% to 80%. With regard to elevators,on the other hand,a hybrid elevator that has a cage and a counter
7、weight to inhibit unnecessary power consumption during the operation of hybrid elevator has been developed.Such a hybrid elevator utilizes the power of its battery at the time of power outage,so that in case of power outage or other abnormal state during of operation of the hybrid elevator,the power
8、 for driving the elevator is supplied from a power source to carry the elevator to the nearest floor or any floor and safely retrieve the passage from the stage.The following method is proposed as a method for controlling an automatic landing device of the elevator.Patent Document 1,for example,disc
9、loses a method for detecting the output voltage ,output current,and a temperature of a battery power source to perform a rescue operation in response to the power supply capacity of the battery power source. Here,as a method for calculating the power supply capacity,a method for calculating the powe
10、r supply capacity from the open voltage,internal resistance,and minimum voltage(operable voltage) of the battery power source is generally known ,as shown is equation (1) below.The minimum voltage used for calculating the power supply capacity is set with a certain degree of margin,in view of the li
11、fe of the battery power source . Power Supply Capacity= minimum voltage*(open voltage - minimum voltage)internal resistance.(1) Moreover,the hybrid elevator has to always secure energy amount for carrying the elevator to a necessary floor in case of emergency during the normal operation of commercia
12、l power source ,and thereon a large power accumulator with a large capacity required. In the method disclosed in Patent Document 1,the output voltage and the voltage set value are compared with each other by a discharge time and discharge state of the battery is detected by the magnitude relation th
13、ere between to control the operation of the elevator.Therefore,when the power supply capacity of the battery power source is low,the power supply capacity will be lost,thereby stopping the power supply from the battery.In this case,because charging of the battery power source is started after the in
14、terruptible power source returns ,and the rescue operation is conducted upon completion of the charging,the elevator cannot be carried to the nearest floor to perform rescue operation in the case of an abnormal situation of the interruptible power source.As a result,the passengers remain trapped in
15、the elevator. Moreover,when the interruptible power source is stopped due to disaster like as in the hybrid elevator,it is necessary for the backup power source to ensure the minimum power supply capacity for enabling minimum operation.Consequently,because a margin becomes necessary in the capacity
16、of the backup power source,a large power accumulator is necessary. In addition,the minimum voltage used for calculating the power supply capacity has a margin,in view of the life property.Therefore, the value of the actual power supply capacity is smaller than the that of the primary power supply ca
17、pacity of the power accumulator.Disclosure of invention An object of the present invention is to provide a power source system capable of realizing at least the minimum backup function ,increasing the life duration of a power accumulator,and reducing the size of the power accumulator by temporarily
18、improving the power supply capacity of a power accumulator when an interruptible power source is stopped by disaster or the like.The present invention also provide a power supply control method of the power source system ,a power supply control program Of the power source system and a computer reada
19、ble recoding medium having power supply control program Of the power source system recoded thereon. A power source system according to an aspect of the present invention has:a power unit for supplying power to a load service;a power accumulator for supplying the power to a load service in place of t
20、he power unit when the power unit is stopped,and a controller for controlling power supply from the power accumulator to a load service;wherein the controller sets an operable voltage,which is determined as an output voltage foe ending discharge of the power accumulator,at a first voltage when the p
21、ower unit is operated,and sets the operable voltage at a second voltage lower than the first voltage when the power unit is stopped ,thereby increasing the power supplied to the load device by the power accumulator. According to the power source system described above,the power supply capacity of th
22、e power accumulator can be improved by reducing the operable voltage of the power accumulator when the power unit is stopped,the operable voltage being set during the normal operation of the power unit.Furthermore,because the operable voltage of the power accumulator is reduced after the power unit
23、is stopped,and the number of the times that the power accumulator is over-discharged duo to the decrease in the operable voltage can be prevented from increasing.,the life duration of the power accumulator can be increased.In addition,the size of the power accumulator can be reduced because it is no
24、t necessary to increase the capacity of the power accumulator beforehand in the light of an increase in power supply when the power unit is stopped.Brief description pf the drawings:Fig.1 Fig.1 is a block diagram showing a configuration of a power source system according to Embodiment 1 of the prese
25、nt invention.Best Mode For Carrying the invention.(Embodiment 1) Fig.1 is a block diagram showing a configuration of a power source system according to Embodiment 1 of the present invention.As shown in Fig.1,a power source system 10 according to the present invention has an interruptible power sourc
26、e 100,a load device 200,a power accumulator 300,a charge|discharge control device 400,a power supply control device 500,and an electric control unit 600. The interruptible power source 100 is ,for example ,a commercial power source,such as a generator having an engine as a source of power. The power
27、 accumulator 300 stores surplus power from the interruptible power source 100 and regenerative electric power generated by the load device 200,and supplies the stored electric power to the load device 200 according to need.The power accumulator 300 is configured by connecting N number of electric po
28、wer accumulation element blocks B1,B2,.BN in series.Each of the electric power accumulation element blocks B1,B2,.BN is configured electrically connecting a plurality of electrical storage elements 301 series.An alkaline storage battery such as a nickel hydride battery ,an organic battery such as a
29、lithium-ion battery ,and an electrical double layer capacitor can be used as each of the electrical storage elements 301 .Note that the number N of electric power accumulation element blocks and the the number of the electrical storage elements 301 are not particularly limited.The power accumulator
30、300 has a predetermined range of operating voltage determined beforehand ,so that the battery characteristics,life duration and reliability of the power accumulator 300 are not degraded.Operable voltage,which is the minimum voltage (final voltage) of this operating voltage range is the voltage for e
31、nding discharge of the power accumulator 300 .During the normal operation ,when the output voltage of the power accumulator 300 falls below the operable voltage,discharge of the power accumulator 300;namely,power supply from he power accumulator 300,is stopped.However,power supply from the power acc
32、umulator 300 is possible until the output voltage of the power accumulator 300 falls below the operable voltage;namely,by reducing the operable voltage.In this case,the power accumulator 300 is over-discharged temporarily,but the the battery characteristics and the like of the power accumulator 300
33、are not impinged so long as the discharge of the power accumulator 300 is executed without degrading the the battery characteristics,life duration and reliability of the power accumulator 300. The charge|discharge control device 400 controls charge|discharge of the power accumulator 300.The charge|d
34、ischarge control device 400 is connected to the interruptible power source 100,load device 200 and power accumulator 300,and controls the charge from the interruptible power source 100 to the power accumulator 300 and the discharge from the power accumulator 300 to the load device 200.When consumpti
35、on current of the load device 200 increases drastically or the electric power required by the load device 200 exceeds predetermined value , The charge|discharge control device 400 discharges the insufficient electric power from the power accumulator 300 to the load device 200 . The charge|discharge
36、control device 400 performs the charge|discharge control such that the SOC of the power accumulator 300 normally falls within an approximate range of 20% to 80%.However,a load leveling power source or a plug-in hybrid vehicle that effectively utilizes night power is charged when the SOC is 100%,and
37、is discharged when the load device thereof requires energy. The power supply control device 500 controls power supply from the power accumulator 300 to the load device 200 when the interruptible power source 100 is stopped. The total control ECU 600 is connected to the charge|discharge control devic
38、e 400 and the power supply control device 500 to control the entire power source system 10 . Next,the power supply control device 500 of the power source system 10 according to Embodiment 1 of the present invention is described. In Fig.1 the power supply control device 500 has a voltage measuring pa
39、rt 501,a current measuring part 502, a temperature measuring part 503,a communication 504 ,and a controller 520.外文参考文献翻译描述：科学领域 ：该项发明和一种当商业性供电或其他间断电源损坏时拥有提供电源供应的的动力蓄电池，一种电源系统的电源供应控制程序，一个拥有电源系统已经刻录好的程序的电源控制程序的计算机的可读记录媒介。 近年来，一种动力蓄电池已经引起广泛的重视，并被用作备用电源。当一个商业性质的供电正常运作时，就会对一个备用电源进行充电，而且当商业供应电源出现缺陷时，备用电源就
40、会代替商业供应电源持续进行供电。举一种备用电源的例子，不间断电源。通过即时切换商业电力源输出的备用电源，在停电的情况下，计算机或存储单元中的应用，以及网络服务设备、如一个服务器无法停止，依靠立即停止商业供电采用备用电源作为电源供应。 这种备份电源结合动力蓄电池剩余容量代表控制保持处于较高的水平充电状态，。在这个系统中，因为一般的剩余电量充电的蓄电池高效的发电电动机的作用，充放电进行控制，使系统不超过100%。为了必要时给电机提供电源，充电放电控制执行以此使系统芯片的电量不减少到零。具体来说，通常在动力蓄电池正常工作时，充放电控制执行是为了使系统芯片的电量波动范围在20%至80%以内.关于电梯，
41、另一方面，一个混合型电梯设备，笼和配重抑制不必要的功率消耗的运作过程中的混合电梯已经发展起来.这种混合电梯设备利用电力的电池在停电时，因此，在停电的情况下或其他异常状态经营的混合动力驱动的电梯，电梯是提供从功率源进行电梯到最近的地板或地板和安全地检索通道从笼。下面提出来能控制能自动升降的电力设备的一种方法，专利文件。1，例如，公开一种对输出电压、输出电流进行检测的方法，电池电源的温度进行救援供应行动以此响应供电能力的电池电源。这里，作为一种计算电源电池储电容量的一种方法，一种可以根据电源电池的开放电压、内部电阻、最小电压计算电源电池储电容量的方法。下面的公式（1）时计算电源电池储电容的，通常被
42、熟知。对电池电源来说，当其被置于一种特定的状态时最小电压是用来估算算电源电池储电容量的。 电源电池储电容量=最小电压*（开放电压-最小电压）|内部电阻 （1）另外，这种混合型电梯必须保证在商业供应电源运行电梯到达某个楼层时如若这时出现紧急情况的情况保证绝对的安全，为了满足安全性，因此，需要一种大容量的动力蓄电池。在公开的专利1提出来的这种方法中，输出电压和设定电压值通过放电时间和放电状态相互限制彼此控制电梯的正常运行。因此，当电源电池的储电容量过低时，电池的储电容量将会丢失，进而阻止电池供电。在这种情况下，由于电源电池不在进行供电信号返回时电池才会进行充电，而且当充电完成后才能进行救援工作，所
43、以说，当不间断电源出现异常情况不能供电时电梯是不能继续运行到最近楼层的。这样的结果就是乘客仍然被困在电梯里面。此外，当不间断电源因为某些事故例如上述混合型电梯里的事故停止供电时，对于备用电源来说保证能提供正常工作状态的最低储电容量是必须的。结果就是，因为备用电源的最小极限储电容量是必须的，所以一个大容量的电源电池的产生是必然的。另外，对生活中的一切物体来说，用来计算电池容量的最小电压必须有个极限。因此，实际上用到的电池容量的价值比最初的动力蓄电池的电池容量小得多。发明的公开。当前发明这种电池的一个目的就是提供能满足备用电源工作最低电池容量、提高动力蓄电池的持续工作时间、通过暂时提高当不间断电源
44、发生类似上述事故不能继续供应电源时动力蓄电池的电池容量来减小动力蓄电池的形状大小的一种电源系统。这项发明同时也提供了一种电池控制电源系统的方法，一种电池控制电池系统程序的方法，并且一个计算机的可读记录媒介使电源随即控制电源电池已经刻录好的程序。根据这项发明的一个方面一个电源系统应该具有：给一负载装置供电的电源单元；当电源单元不能供应时能够代替电源单元供电的一个动力蓄电池；一个控制动力蓄电池给负载装置供应电源的控制器；当控制器被设置一个作为结束动力蓄电池放电的输出电压的工作电压时，如果电源单元正常运行将会被设为一级电压，当电源单元不工作时将会把工作电压设置为比一级电压小很多的二级电压。因此需要通
45、过动力蓄电池来提高电源对负载的供应。根据上述描述的电源系统，动力蓄电池的电池容量可以通过降低当电源单元不工作时动力蓄电池的工作电压来提高，其中工作电压是在电源单元正常工作时设定的。更进一步说，由于动力蓄电池的工作电压在电源单元停止工作后会减小，动力蓄电池因为工作电压的降低而过放电的次数的升高能带到阻止，动力蓄电池持续工作的时间会更久。另外，由于当电池单元停止工作时本剧电源供应量的增大立即增大动力蓄电池的电池容量是没有必要的，因此可以减小动力蓄电池的外观大小。图纸的简短描述。实现发明的最好模式。本发明的具体化的情况通过以下的参照图纸来描述。具体情况1。图纸1是一个根据本发明的具体化的情1显示一个
46、电源系统配置的方框图。如图纸1所说明的，根据本发明可知一个电源系统10一个带有不间断电源100,一个动力蓄电池300，一个的充、放电控制装置400，一个电源供应控制装置500和一个电子控制装置600。举个例子来说，100W的不间断电源是一商业性电源，例如发动机需要一个引擎作为电源。一个电源系统驱动着200多种不同的负载装置。 动力蓄电池存储从中断电源100和再生产生的电力负荷装置200或得的剩余电源，并根据需要提供给负载的存储装置200提供已经存储的电能。动力蓄电池300通过连接的N个电功率堆积块元素块B 1，B2，BN 、，等系列组成。每个电功率积累元素块B 1，B2，BN的配置，通过电连接
47、多个电存储元件301系列组成。 碱性电池如镍氢电池，有机电池如锂离子电池，和双电层电容器可作为每个301系列存储单元的电力存储元素。注意到累积单元块的数量N和301系列存储单元的电力存储元素的数量并没有被限制。该动力蓄电池300之前有一个预定的工作电压范围，因此，使动力蓄电池的特性，使用寿命和可靠性没有被降低。工作电压，这是一操作电压范围的最低电压（最终电压）是动力蓄电池300结束放电的电压。 在正常操作期间，当动力蓄电池300的输出电压降到正常工作电压以下时，蓄能器300进行放电，也就是说，从电源供应器获得的动力蓄电池300被停止了。然而，直到电源蓄电池300的输出电压低于可操作性电力供应的
48、动力蓄电池300才停止工作，也就是说，通过降低操作电压使动力蓄电池300工作。这种情况下，动力蓄电池300进行暂时的过放电，但动力蓄电池300的特性和和外观只要在使动力蓄电池的特性，使用寿命和可靠性没有被降低的条件下动力蓄电池300进行放电操作的情况下是不会降低的。 充放电控制装置400控制|动力蓄电池300的充放电。充放电控制装置400连接到中断电源100，负载装置200和动力蓄电池300，并控制从中断电源100到动力蓄电池300的充电和从电力蓄能器300到负载装置200的放电。当负载装置的200的电流大幅度增加或者负载装置200所需的电力负荷超过预定值，充|放电控制装置400控制从蓄电池3
49、00至负载装置200进行不充分放电。 充放电控制装置400执行|充放电控制，例如，动力蓄电池300的系统芯片的电量通常在一个大致范围20%至80%内波动。然而，负载均衡电源或充电式油电混合车当系统芯片的电量为100%时有效地利用晚上的电源进行充电，当负载设备需要能量时进行放电。 当中断电源100停止时，电源控制装置500控制从供电的蓄电池300至负载装置200的电源供应。 总控制单元600连接到电荷|排放控制装置400和电源控制装置500来控制整个电源系统10。 下一步，该的电源系统10的电源控制装置500根据本发明的体现1来描述。图1，供电控制装置500由一个电压测量部分501，一个电流测量部分502，一个温度测量部分503，一个通信部分504，和一个控制器520。
