CN104333061B - One kind of lithium batteries start power mine flameproof - Google Patents

One kind of lithium batteries start power mine flameproof Download PDF

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Publication number
CN104333061B
CN104333061B CN 201410588248 CN201410588248A CN104333061B CN 104333061 B CN104333061 B CN 104333061B CN 201410588248 CN201410588248 CN 201410588248 CN 201410588248 A CN201410588248 A CN 201410588248A CN 104333061 B CN104333061 B CN 104333061B
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lithium
circuit
lithium battery
management unit
interface
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CN 201410588248
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CN104333061A (en )
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肖林京
常龙
于鹏杰
于志豪
张玉龙
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山东科技大学
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Abstract

本发明公开了一种煤矿隔爆型锂电池启动电源,包括电源电路、电源管理电路、司控室电路、充放电保护电路、充电电路和启动电路。 The present invention discloses a power supply start mine explosion-proof lithium battery, including a power supply circuit, a power management circuit, Division control room circuits, charge and discharge protection circuit, a charge circuit and a starting circuit. 在电源管理电路上设有锂电池管理单元,在充放电保护电路上设有中间继电器和直流接触器,通过锂电池管理单元能够实现单体电池的电压、温度、电流检测和报警;并且当锂电池组充电完成后,锂电池管理单元会自动控制中间继电器断开,使直流接触断开,锂电池组充电终止;当锂电池组出现非正常使用的情况下,锂电池管理单元通过控制中间继电器断开,使直流接触断开,实现锂电池组的充放电终止,使锂电池组得到保护。 The management unit is provided with a lithium battery power management circuit, the charge and discharge protection relay and an intermediate circuit DC contactors, it is possible to achieve voltage, temperature, current detection and alarm by the lithium cell management unit; and when lithium after the battery is charged, lithium management unit automatically control relay OFF, the DC contactor OFF, charge termination lithium battery pack; the case where the non-appeared normal use of lithium batteries, the lithium battery by controlling the relay management unit OFF, the DC contactor OFF, the charge-discharge termination lithium batteries, lithium batteries so protected. 另外,通过第一二极管和第二二极管能够在锂电池组完全没电时,利用充电机为锂电池管理单元供电。 Further, the first and second diodes when the lithium battery can be fully discharged, with the charging machine for the lithium supply management unit.

Description

一种煤矿隔爆型锂电池启动电源 One kind of lithium batteries start power mine flameproof

技术领域 FIELD

[0001]本发明涉及一种煤矿隔爆型锂电池启动电源。 [0001] The present invention relates to a mine explosion-proof lithium turn on the power.

背景技术 Background technique

[0002]目前,煤矿柴油机车的启动电源多为隔爆启动型铅酸蓄电池,该铅酸蓄电池具有容量小、自放电量大、寿命短和环境污染严重等缺点。 [0002] Currently, diesel vehicles mine explosion starts mostly starting power lead-acid battery, the lead-acid battery having a small capacity, self-discharge capacity, short lifetime, and serious environmental pollution drawbacks. 锂离子蓄电池具有比功率和比能量高、绿色无污染和使用寿命长等显著特点,是铅酸蓄电池的最优替代产品,是新型二次蓄电池发展的方向。 Lithium ion battery having a specific power and high specific energy, long life, and green pollution and other notable features, is the best alternative to lead-acid batteries, is a new development direction of the secondary battery. 安标国家中心发布《矿用锂离子蓄电池安全技术要求(试行)》和《矿用隔爆(兼本安)型锂离子蓄电池电源安全技术要求(试行)》等5个文件,这标志着锂离子蓄电池在井下的应用已经进入了实质性阶段。 Safety standard National Center issued "mine lithium-ion battery safety requirements (Trial)" and "mine explosion-proof (and intrinsically safe) lithium-ion battery power safety requirements (Trial)" and other five documents, which marks the lithium ion batteries in the downhole application has entered a substantive stage. 因此,将锂电池运用到煤矿启动电源上,对煤矿具有重大意义。 Therefore, the use of lithium batteries to start the coal supply, coal mines of great significance.

发明内容 SUMMARY

[0003]本发明的目的在于提出一种煤矿隔爆型锂电池启动电源,作为煤矿柴油机车启动电源,代替现有的铅酸蓄电池启动电源。 [0003] The object of the present invention is to provide a mine explosion-proof lithium start power supply to start the car as a diesel mine, instead of conventional lead-acid batteries start power.

[0004]为了实现上述目的,本发明采用如下技术方案: [0004] To achieve the above object, the present invention adopts the following technical solution:

[0005] —种煤矿隔爆型锂电池启动电源,包括电源电路、电源管理电路、司控室电路、充放电保护电路、充电电路和启动电路;其中, [0005] - coal mine explosion-proof lithium species starting power, including the power supply circuit, a power management circuit, Division control room circuits, charge and discharge protection circuit, a charge circuit and a starting circuit; wherein,

[0006] 电源电路,包括一个锂电池组和一个总机械开关; [0006] The power supply circuit, comprising a lithium battery and a total mechanical switch;

[0007]电源管理电路,并联在电源电路上,包括一个锂电池管理单元和一个第一二极管; [0007] The power management circuit, in parallel with the power supply circuit, comprising a lithium battery management unit, and a first diode;

[0008]司控室电路,并联在电源电路上,包括一个第一开关和一个司控室接口 ; [0008] Division control room circuitry, in parallel with the power supply circuit comprising a first switch and a control room interfaces Division;

[0009]充电电路,包括一个第二开关和一个充电机接口 ; [0009] The charging circuit includes a second switch and a charge-machine interface;

[0010]启动电路,包括一个第三开关和一个启动机接口 ; [0010] starting circuit comprising a third switch and a start-machine interface;

[0011] 充放电保护电路,包括一个中间继电器和一个直流接触器; [0011] The charge and discharge protection circuit, comprising a DC relay and a contactor;

[0012]中间继电器并联在锂电池管理单元上; [0012] The relay connected in parallel with the lithium battery management unit;

[0013]直流接触器与充电电路和启动电路形成的并联电路串接后,共同并联连接到电源电路上; [0013] After the parallel circuit formed with the DC contact charging circuit and the starting circuit connected in series, are connected in parallel to a common power supply circuit;

[0014]充电机接口与一个第二二极管串接后,共同并联连接到锂电池管理单元上; [0014] After a charger interface second diode connected in series, are connected in parallel to a common lithium battery management unit;

[0015] 锂电池管理单元,用于完成对锂电池组单体电池的电压、温度、电流检测和报警,并控制充放电保护电路实现锂电池组的充电/放电保护。 [0015] The lithium battery management unit, for performing voltage, temperature, current detection and alarm of a lithium battery cell and the protection circuit controls the charge and discharge of a lithium battery for charge / discharge protection.

[0016] 进一步,当锂电池组完全没电时,通过充电机接口、第一二极管和第二二极管为锂电池管理单元供电。 [0016] Further, when the lithium battery is fully discharged, the charging machine through an interface, the first and second diodes to the supply management unit lithium.

[0017] 进一步,当锂电池组出现非正常使用的情况下,锂电池管理单元通过控制中间继电器断开使直流接触器断开,实现锂电池组的充放电终止; [0017] Further, in the case of lithium batteries using non-normal occurs, the lithium battery management unit disconnect the direct current contactor is opened by a control relay, a lithium battery charge-discharge termination;

[0018] 其中,非正常使用的情况,包括锂电池组出现过温、过压、或欠压。 [0018] wherein non-normal use, including lithium batteries appeared over temperature, over voltage, or undervoltage.

[0019] 进一步,当锂电池组充电完成后,锂电池管理单元自动控制中间继电器断开使直流接触器断开,锂电池组充电终止。 [0019] Further, when the lithium battery is charged, lithium management unit automatically controls the DC disconnect relay contacts are disconnected lithium battery charge termination.

[0020] 进一步,上述锂电池管理单元,包括一个M⑶,在M⑶上设有一个SPI接口、至少一个CAN总线接口、两个GP1接口、两个AD接口和一个DC/DC接口;其中, [0020] Further, the above-mentioned lithium battery management unit, including a M⑶, with an SPI interface on M⑶, at least one CAN bus interface, GP1 two interfaces, two interfaces AD and a DC / DC interfaces; wherein,

[0021 ]在SPI接口上连接有一个串联电池组电压检测专用芯片; [0021] The SPI interface has connected in series a battery voltage detecting ASIC;

[0022] 在CAN总线接口上通过一根CAN总线连接有TFT液晶显示单元; [0022] In the CAN bus via a CAN bus interface has a TFT liquid crystal display unit;

[0023] 在一个GP1接口上连接有一个温度传感器; [0023] A temperature sensor is connected to a GP1 on the interface;

[0024]在另一个GP1接口上连接所述中间继电器; [0024] In another GP1 interfacing said intermediate relay;

[0025] 在一个AD接口上连接有一个第一单电源电流霍尔传感器; [0025] connected to a single power supply a first current in a Hall Sensor Interface AD;

[0026]在另一个AD接口上连接有一个第二单电源电流霍尔传感器; [0026] The second connector has a single Hall sensor supply current AD on the other interfaces;

[0027] 在DC/DC接口上连接有DC/DC电源; [0027] connected to a DC / DC power on the DC / DC interfaces;

[0028]其中,第一单电源电流霍尔传感器与第二单电源霍尔传感器具有不同的量程。 [0028] wherein the first single Hall sensor supply current and the second Hall sensor having a single power source different ranges.

[0029] 进一步,一种煤矿隔爆型锂电池启动电源,还包括一个隔爆箱,包括电池腔、控制腔和接线腔;其中, [0029] Further A mine explosion-proof lithium battery starting power, further comprising an explosion-proof box, comprising a battery chamber, the control chamber and the connecting chamber; wherein,

[0030] 锂电池组位于电池腔的内部; [0030] The lithium ion battery pack located inside the battery chamber;

[0031]锂电池管理单元、总机械开关、第一开关、第二开关和第三开关位于控制腔的内部; [0031] The lithium battery management unit, the total mechanical switch, the first switch, the second switch and the third switch located inside the control chamber;

[0032]司控室接口、充电机接口和启动机接口位于接线腔的内部。 [0032] Division control room interface, the interface and the starter charger interface is located inside the terminal compartment.

[0033]本发明具有如下优点: [0033] The present invention has the following advantages:

[0034] 本发明述及的启动电源,包括电源电路、电源管理电路、司控室电路、充放电保护电路、充电电路和启动电路。 [0034] The present invention mentioned starting power, including the power supply circuit, a power management circuit, Division control room circuits, charge and discharge protection circuit, a charge circuit and a starting circuit. 在电源管理电路上设有锂电池管理单元,在充放电保护电路上设有中间继电器和直流接触器,通过锂电池管理单元能够实现单体电池的电压、温度、电流检测和报警;并且当锂电池组充电完成后,锂电池管理单元会自动控制中间继电器断开,使直流接触断开,锂电池组充电终止;当锂电池组出现非正常使用的情况下,锂电池管理单元通过控制中间继电器断开,使直流接触断开,实现锂电池组的充放电终止,使锂电池组得到保护。 The management unit is provided with a lithium battery power management circuit, the charge and discharge protection relay and an intermediate circuit DC contactors, it is possible to achieve voltage, temperature, current detection and alarm by the lithium cell management unit; and when lithium after the battery is charged, lithium management unit automatically control relay OFF, the DC contactor OFF, charge termination lithium battery pack; the case where the non-appeared normal use of lithium batteries, the lithium battery by controlling the relay management unit OFF, the DC contactor OFF, the charge-discharge termination lithium batteries, lithium batteries so protected. 另外,通过第一二极管和第二二极管能够在锂电池组完全没电时,利用充电机为锂电池管理单元供电,确保了在任何情况下锂电池管理单元都能正常工作。 Further, the first and second diodes when the lithium battery can be fully discharged, the use of lithium battery charger power supply management unit, to ensure that the lithium battery management unit can work in any case. 本发明符合煤矿特殊要求,功能齐全,具有体积小、放电电流大、容量大、体积小、寿命长和污染小的优点。 The present invention meets specific requirements of coal, functional, small in size, a discharge current is large, high-capacity, small size, long life and little pollution advantages.

附图说明 BRIEF DESCRIPTION

[0035]图1为本发明中煤矿隔爆型锂电池启动电源的电路框图; [0035] Fig 1 a block circuit diagram of the power supply mine explosion-proof lithium promoter of the present invention;

[0036]图2为图1中锂电池管理单元的结构框图; [0036] FIG. 2 is a block diagram showing the structure of a lithium battery management unit of FIG 1;

[0037]图3为本发明中煤矿隔爆型锂电池启动电源的实物连接图; [0037] FIG. 3 mine explosion-proof lithium start physical connection of the present invention, FIG power;

[0038] 其中,1-锂电池组,2-总机械开关,3-锂电池管理单元,4-第一二极管,5-第一开关,6-司控室接口,7-中间继电器,8-直流接触器,9-第二开关; [0038] wherein, l lithium batteries, 2 the total mechanical switches, 3- lithium battery management unit, 4 a first diode, a first switch 5-, 6- Division control room interface, relay 7-, 8 - DC contactors, 9 a second switch;

[0039] 10-充电机接口,11-第三开关,12-启动机接口,13-第二二极管,14-串联电池组电压检测专用芯片,15-TFT液晶显示单元,16-温度传感器,17-第一单电源电流霍尔传感器,18-第二单电源电流霍尔传感器,19-DC/DC电源; [0039] 10- charger port, a third switch 11-, 12- starter interface, a second diode 13-, 14- series battery voltage detection ASIC, 15-TFT liquid crystal display unit, a temperature sensor 16- 17- first single Hall sensor supply current, 18-second single Hall sensor supply current, 19-DC / DC power supply;

[0040] 20-电池腔,21-控制腔,22-接线腔。 [0040] The cell chamber 20, the control chamber 21, 22 wiring cavity.

具体实施方式 detailed description

[0041 ]下面结合附图以及具体实施方式对本发明作进一步详细说明: [0041] Hereinafter, the present invention is described in further detail in conjunction with accompanying drawings and specific embodiments:

[0042] 结合图1所示,一种煤矿隔爆型锂电池启动电源,包括电源电路、电源管理电路、司控室电路、充放电保护电路、充电电路和启动电路。 [0042] As shown in FIG. 1 in conjunction with a mine explosion-proof lithium battery starting power, including the power supply circuit, a power management circuit, Division control room circuits, charge and discharge protection circuit, a charge circuit and a starting circuit. 其中, among them,

[0043 ] 电源电路,包括一个锂电池组I和一个总机械开关2。 [0043] The power supply circuit, comprising a lithium battery pack, and a total mechanical switch I 2.

[0044]电源管理电路,并联在电源电路上,包括一个锂电池管理单元3和一个第一二极管4。 [0044] The power management circuit, in parallel with the power supply circuit, comprising a lithium battery management unit 3 and a first diode 4.

[0045]司控室电路,并联在电源电路上,包括一个第一开关5和一个司控室接口6,司控室接口6可以连接照明灯等设备。 [0045] Division control room circuitry, in parallel with the power supply circuit 5 comprises a first switch and a control room interface 6 Division, Division of the interface chamber 6 may be connected to control lights and other equipment.

[0046] 充电电路,包括一个第二开关9和一个充电机接口10,充电机接口10连接充电机,用于对锂电池组进行充电。 [0046] The charging circuit includes a second switch 9 and a charger interface 10, an interface 10 connected charger charger, for charging lithium batteries.

[0047]启动电路,包括一个第三开关11和一个启动机接口 12,启动机接口12连接启动机,用于实现启动功能。 [0047] The starting circuit comprising a third switch 11 and a starter interface 12, an interface 12 connected to the starter starter, for implementing the start function. 充电电路与启动电路并联连接。 The charging circuit is connected in parallel with the starting circuit.

[0048] 充放电保护电路,包括一个中间继电器7和一个直流接触器8,其中, [0048] The charge and discharge protection circuit including a relay contact 7 and a DC 8, wherein

[0049]中间继电器7并联在锂电池管理单元3上; [0049] The intermediate lithium relay 7 is connected in parallel management unit 3;

[0050]由充电电路与启动电路形成的并联电路,与直流接触器8串联连接后,共同并联连接到电源电路上。 After 8 connected in series [0050] The parallel circuit formed by the charging circuit and the starting circuit, the DC contactors, connected in parallel to a common power supply circuit.

[0051 ]充电机接口12与一个第二二极管13串接后,共同并联连接到锂电池管理单元3上。 [0051] After the charging unit 13 and an interface 12 connected in series together in parallel with a second diode connected to the lithium battery management unit 3.

[0052] 锂电池管理单元3,用于完成对锂电池组单体电池的电压、温度、电流检测和报警,并控制充放电保护电路实现锂电池组的充电/放电保护。 [0052] The lithium battery management unit 3 for completion of the voltage, temperature, current detection and alarm of a lithium battery cell and the protection circuit controls the charge and discharge of a lithium battery for charge / discharge protection.

[0053]其大致工作过程如下: [0053] which is generally works as follows:

[0054]用户在使用时,首先闭合总机械开关2,此时,锂电池管理单元3开始工作。 [0054] In use the user, the total mechanical switch 2 is closed first, then, the lithium battery management unit 3 starts to work. 然后闭合第一开关5,锂电池组I为司控室供电。 Then closing the first switch 5, for the lithium batteries Division I power control room.

[0055] 在锂电池组I工作正常的情况下,锂电池管理单元3控制中间继电器7吸合,使直流接触8导通,此时,用户只要手动闭合第三开关11就能完成启动功能。 [0055] In the lithium Group I normal conditions of work, the lithium battery management unit 3 controls the relay 7 pull the DC contactor 8 is turned on, at this time, as long as the user manually closing the third switch 11 to complete the start function.

[0056]当启动完成后,被启动的动力设备带动充电机开始工作,用户可手动闭合第二开关9实现充电机对锂电池组I的充电。 [0056] When the starting is completed, the device is actuated to drive a power charger to work, the user can manually close the second switch 9 to achieve charger to recharge lithium Group I.

[0057]当锂电池组I充电完成后,锂电池管理单元3会自动控制中间继电器7断开,使直流接触8断开,锂电池组I充电终止。 [0057] When the lithium ion battery pack charging completion I, 3 lithium battery management unit 7 automatically control relay OFF, the DC contactor 8 is turned off, a lithium battery charge termination I.

[0058] 当锂电池组出现非正常使用的情况下,锂电池管理单元3通过控制中间继电器7断开,使直流接触8断开,实现锂电池组I的充放电终止,使锂电池组I得到保护; [0058] In the case where the non-appeared normal use of lithium batteries, the lithium battery management control unit 3 is turned off by the relay 7, the DC disconnect contacts 8, the charge-discharge of a lithium battery termination I, I make lithium batteries protection;

[0059]其中,非正常使用的情况,包括过温、过压、或欠压等等。 [0059] wherein non-normal use, including over-temperature, overvoltage, undervoltage, or the like.

[0060]其中,二极管Dl和D2实现了在锂电池组I完全没电时,利用充电机等外接电源为锂电池管理单元3供电的功能,确保了在任何情况下锂电池管理单元3都能正常工作。 [0060] wherein, diodes Dl and D2 achieved when lithium batteries I fully discharged, with the charging function for the external power supply and other power lithium battery management unit 3, the lithium battery ensures the management unit 3 can in any case normal work.

[0061 ] 如图2所示,锂电池管理单元3,包括一个M⑶,在M⑶上设有一个SPI接口、至少一个CAN总线接口、两个GP1接口、两个AD接口和一个DC/DC接口。 [0061] 2, the lithium battery management unit 3 includes a M⑶, with an SPI interface on M⑶, at least one CAN bus interface, GP1 two interfaces, two interfaces AD and a DC / DC interface. 其中, among them,

[0062] 在SPI接口上连接有一个串联电池组电压检测专用芯片14,通过串联电池组电压检测专用芯片14进行电压检测; [0062] connected to a dedicated series battery cell voltage detection chip 14 on the SPI interface for serial voltage is detected by a battery voltage detector ASIC 14;

[0063] 在CAN总线接口上通过一根CAN总线连接有TFT液晶显示单元15; [0063] In the CAN bus via a CAN bus interface has a TFT liquid crystal display unit 15;

[0064] 在一个GP1接口上连接有一个温度传感器16,通过单总线通讯的温度传感器16进行温度检测; [0064] A temperature sensor 16 is connected in a GP1 interface temperature detected by the temperature sensor 16, a single communication bus;

[0065] 在另一个GP1接口上连接中间继电器7; [0065] The relay 7 is connected to the other interfaces GP1;

[0066] 在一个AD接口上连接有一个第一单电源电流霍尔传感器17; [0066] AD is connected to a first interface has a single Hall sensor supply current 17;

[0067] 在另一个AD接口上连接有一个第二单电源电流霍尔传感器18; [0067] AD is connected to the other second interface has a single Hall sensor supply current 18;

[0068] 在DC/DC接口上连接有DC/DC电源19; [0068] connected to a DC / DC power supply 19 in / DC DC on the interface;

[0069]其中,第一单电源电流霍尔传感器17与第二单电源霍尔传感器18具有不同的量程,通过两个量程不同的单电源电流霍尔传感器HALLl和HALL2进行电流检测。 [0069] wherein the first supply current single Hall sensor 17 and the second Hall sensor 18 having a single power source different ranges, different ranges by two single Hall sensor supply current and HALLl HALL2 current detection.

[0070] TFT液晶显示单元15通过CAN总线和锂电池管理单元3相连接,TFT液晶显示单元15同样也有自己的MCU对TFT屏幕进行控制,并通过MCU自带的CAN总线接收锂电池管理单元3发来的数据。 [0070] TFT liquid crystal display unit 153 are connected via CAN bus and lithium battery management unit, TFT liquid crystal display unit 15 also has its own control TFT screen of the MCU, and the MCU receiving lithium own CAN bus management unit 3 to send the data.

[0071] 通过MCU对TFT屏幕的控制,设计的第一个界面主要显示单体电池电压、单体电池温度、充放电电流,第二个报警界面,主要显示过压、过温、检测线断线等报警。 [0071] By controlling the MCU TFT screen, a first interface design display main cell voltage, cell temperature, charge and discharge current, the second alarm interface, the main display overvoltage, over temperature, off-line detection alarm lines.

[0072]此外,煤矿隔爆型锂电池启动电源,还包括一个隔爆箱。 [0072] Further, lithium batteries start power flameproof coal, further comprising an explosion-proof box.

[0073]隔爆箱,包括一个电池腔20、一个控制腔21和一个接线腔22。 [0073] proof box, comprising a battery chamber 20, a control chamber 21 and a wiring chamber 22. 其中, among them,

[0074] 锂电池组I和温度传感器16位于电池腔20的内部; [0074] I and a lithium battery temperature sensor 16 located inside the battery chamber 20;

[0075]锂电池管理单元3、总机械开关2、第一开关5、第二开关9和第三开关11位于控制腔21的内部; [0075] The lithium battery management unit 3, the total mechanical switch 2, a first switch 5, a second switch 11 and third switch 9 is located inside the control chamber 21;

[0076]司控室接口 6、充电机接口1和启动机接口12位于接线腔22的内部。 [0076] Division control room interface 6, and a charger interface to start the computer interface 12 is located inside the terminal chamber 22.

[0077]当然,以上说明仅仅为本发明的较佳实施例,本发明并不限于列举上述实施例,应当说明的是,任何熟悉本领域的技术人员在本说明书的教导下,所做出的所有等同替代、明显变形形式,均落在本说明书的实质范围之内,理应受到本发明的保护。 [0077] Of course, the above description is only preferred embodiments of the present invention, the present invention is not limited to the above-mentioned embodiments, it should be noted that any person skilled in the art in light of this specification, made All equivalents, significant deformation of the form, are within the scope of the spirit of the present specification, the present invention should be protected.

Claims (4)

  1. 1.一种煤矿隔爆型锂电池启动电源,其特征在于,包括电源电路、电源管理电路、司控室电路、充放电保护电路、充电电路和启动电路;其中, 电源电路,包括一个锂电池组和一个总机械开关; 电源管理电路,并联在电源电路上,包括一个锂电池管理单元和一个第一二极管; 司控室电路,并联在电源电路上,包括一个第一开关和一个司控室接口; 充电电路,包括一个第二开关和一个充电机接口; 启动电路,包括一个第三开关和一个启动机接口; 充放电保护电路,包括一个中间继电器和一个直流接触器; 中间继电器并联在锂电池管理单元上; 直流接触器与充电电路和启动电路形成的并联电路串接后,共同并联连接到电源电路上; 充电机接口与一个第二二极管串接后,共同并联连接到锂电池管理单元上; 锂电池管理单元,用于完成对锂电池组单体 A mine explosion-proof lithium startup power, characterized in that it comprises a power supply circuit, a power management circuit, Division control room circuits, charge and discharge protection circuit, a charge circuit and a starting circuit; wherein the power supply circuit, comprising a lithium battery and a total mechanical switch; power management circuit, in parallel with the power supply circuit, comprising a lithium battery management unit, and a first diode; Division control room circuitry, in parallel with the power supply circuit comprising a first switch and a control room interfaces Division ; a charging circuit comprising a second switch and a charger interface; a starting circuit comprising a third switch and a starter interface; a charge and discharge protection circuit, comprising a DC relay and a contactor; relay lithium battery in parallel the management unit; DC contactors after charging circuit and the parallel circuit formed by the starting circuit connected in series, are connected in parallel to a common power supply circuit; charger interface after a second diode connected in series, are connected in parallel to the common management lithium unit; lithium battery management unit for completion of the lithium batteries monomers 电池的电压、温度、电流检测和报警,并控制充放电保护电路实现锂电池组的充电/放电保护; 所述锂电池管理单元包括一个MCU,在M⑶上设有一个SPI接口、至少一个CAN总线接口、两个GP1接口、两个AD接口和一个DC/DC接口;其中, 在SPI接口上连接有一个串联电池组电压检测专用芯片; 在CAN总线接口上通过一根CAN总线连接有TFT液晶显示单元; 在一个GP1接口上连接有一个温度传感器; 在另一个GP1接口上连接所述中间继电器; 在一个AD接口上连接有一个第一单电源电流霍尔传感器; 在另一个AD接口上连接有一个第二单电源电流霍尔传感器; 在DC/DC接口上连接有DC/DC电源; 其中,第一单电源电流霍尔传感器与第二单电源霍尔传感器具有不同的量程; 当锂电池组完全没电时,通过充电机接口、第一二极管和第二二极管为锂电池管理单元供电。 Battery voltage, temperature, current detection and alarm, and controls the charge and discharge protection circuit for lithium batteries for charge / discharge protection; the lithium battery management unit comprises a MCU, with an SPI interface on M⑶, the at least one CAN bus interfaces, two interfaces GP1, two AD interfaces and a DC / DC interfaces; wherein a series connected battery voltage detecting chip on a dedicated SPI interface; on the CAN bus via a CAN bus interface to the TFT liquid crystal display unit; GP1 on one interface with a temperature sensor; connecting the other intermediate relays on the interface GP1; connected to a single power supply a first current in a Hall sensor interface to AD; AD to the other interface with a a second single Hall sensor supply current; connected to DC / DC power on the DC / DC interfaces; wherein the first single Hall sensor supply current and the second Hall sensor having a single power source different ranges; when lithium batteries when fully discharged, the charging machine through an interface, the first and second diodes to the supply management unit lithium.
  2. 2.根据权利要求1所述的一种煤矿隔爆型锂电池启动电源,其特征在于,当锂电池组出现非正常使用的情况下,锂电池管理单元通过控制中间继电器断开使直流接触器断开,实现锂电池组的充放电终止; 其中,非正常使用的情况,包括锂电池组出现过温、过压、或欠压。 2. According to a mine explosion-proof lithium battery according to claim 1 starting power, characterized in that, in the case of lithium batteries using non-normal occurs, so that a lithium battery management unit is disconnected by controlling the intermediate DC contactor relay turning off, to terminate charging and discharging of a lithium battery; wherein the non-normal use, including lithium batteries appeared over temperature, over voltage, or undervoltage.
  3. 3.根据权利要求1所述的一种煤矿隔爆型锂电池启动电源,其特征在于,当锂电池组充电完成后,锂电池管理单元自动控制中间继电器断开使直流接触器断开,锂电池组充电终止。 3. According to a mine explosion-proof lithium battery according to claim 1 starting power, wherein, when the lithium battery is charged, lithium management unit automatically controls the DC disconnect relay contacts are disconnected lithium battery charge termination.
  4. 4.根据权利要求1至3任一项所述的一种煤矿隔爆型锂电池启动电源,其特征在于,还包括一个隔爆箱,包括电池腔、控制腔和接线腔;其中, 锂电池组位于电池腔的内部; 锂电池管理单元、总机械开关、第一开关、第二开关和第三开关位于控制腔的内部; 司控室接口、充电机接口和启动机接口位于接线腔的内部。 1-1 kinds of coal according to any one of claims 3 to start flameproof power lithium battery, characterized by further comprising an explosion-proof box, comprising a battery chamber, the control chamber and the connecting chamber as claimed in claim; wherein the lithium battery group located inside the battery chamber; lithium battery management unit, the total mechanical switch, the first switch, the second switch and the third switch is located inside the control chamber; Division control room interfaces, interfaces and starter charger interface is located inside the terminal compartment.
CN 201410588248 2014-10-28 2014-10-28 One kind of lithium batteries start power mine flameproof CN104333061B (en)

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