TW201242209A - Intellectual and modular energy-storing device and management system employing same - Google Patents

Abstract

An intellectual and modular energy-storing device, which is coupled to a load and a control center, is disclosed. The energy-storing device includes a main module and a plurality of sub-modules. The main module is coupled to the control center for allowing the energy-storing device and the control center to transmit and change information with each other. The sub-modules are coupled to the main module respectively, and the sub-modules are connected in series and further connected to the load and supply power to the load. Each sub-module includes a grounding and insulation unit for connecting to a ground so that the grounds between each sub-module and the main module are isolated with each other. When one of the sub-modules is failure or breakdown, the sub-module can perform a detection and protection automatically and the main module can transmit a signal issued from the sub-module to the control center automatically.

Description

201242209 VI. Description of the Invention: [Technical Field of the Invention] [0001] The present invention relates to a modular energy storage device, and more particularly to a device for driving a battery, such as an electric vehicle, a solar electronic product, or a household electronic product. Smart modular energy storage device. [Prior Art] [0002] In recent years, due to the global problem of high oil price shocks and energy shortages, countries around the world are constantly developing new alternative energy sources and proposing related subsidies, among which the key components of electric vehicles are powered by batteries. R&D is one of the industries that governments of all countries are actively investing in research and development. At present, the types of batteries for electric vehicles include nickel-hydrogen batteries, nickel-zinc batteries, zinc-air batteries, lithium-ion batteries, and fuel cells. In general, lithium-ion batteries have high operating voltage, high energy density, small size, and light weight. With long life and fast charging, there are more and more research and applications using lithium-ion batteries as power batteries for electric vehicles. [0003] However, if you want to drive an electric car, you need to carry thousands of lithium-ion batteries. When thousands of lithium-ion batteries are simultaneously discharging large currents, for example, when driving heavy pedals, thousands of lithium-ion batteries will Produces extremely high heat, which may not only cause rapid decay of lithium-ion battery performance, but also may cause the whole electric vehicle to explode or burn out. Therefore, as a power battery for driving electric vehicles, besides paying attention to the battery itself. In addition to the materials and processes, the Battery Management System (BMS) and battery automatic fault detection mechanism are also indispensable in the design of safety regulations. [0004] On the other hand, although traditionally, the standard communication interface, such as CAN Bus 100112960 form number A0101 page 4 / 27 pages 1002021609-0 201242209, ΙΕΕΕ 485, ΙΕΕΕ 488 'UART or Net communication interface, to monitor # electric The health status and operation of the battery system of the car or the load, but it cannot effectively achieve the scalability, stability and immediacy of the battery management system. Furthermore, if the demand for load circuits is increasing or the additional load devices are continuously added, the data management of the battery system will become more and more complicated and cumbersome, thereby increasing the difficulty of maintaining the battery system. And when the battery system of the electric vehicle or the load is aging or malfunctioning, it will cause the maintenance personnel to be difficult to repair. SUMMARY OF THE INVENTION [0005] The purpose of the present invention is to provide a smart modular energy storage device comprising a main module and a plurality of secondary modules connected in series to each other for providing a load operation Required power, and multiple sub-modules are connected to a grounding terminal respectively to achieve improved battery management system (Batte〇

Management Systems, BMS) The purpose of scalability and stability.

[0006] G Another object of the present invention is to provide a smart modular energy storage device, which can automatically detect the health status and operation status of the battery pack of each module, thereby automatically starting the protection mechanism or immediately notifying the maintenance personnel. Performing related repairs and the like, thereby reducing the difficulty of maintenance of the battery management system. [0007] In order to achieve the above object, one of the broader embodiments of the present invention provides a smart modular energy storage device. The system is connected to the load and the monitoring center, and includes a main module connected to the monitoring center for transmitting and exchanging data between the intelligent modular moon storage device and the monitoring center; and a plurality of secondary modules respectively The main module is connected, and the plurality of sub-modules are mutually 100112960 Form No. A0101 Page 5 / Total 27 pages 1002021609-0 201242209 Connected in series to the load and power the load, Η > _ 扎母一The module includes a ground isolation unit for respectively connecting to a ground end, so that the ground end of each of the sub-modules and the ground end of the main module are isolated from each other; , When a plurality of secondary modules which - when a failure or damage occurs, the sub-module performs automatic detection and protection system, and the main unit is automatically transferred to a fault signal from the output of the sub-module of the monitoring center. In order to achieve the above objectives, another broad aspect of the present invention provides a management system for storing the device, including a monitoring center and at least a smart modular hard device, wherein the at least the smart module The energy storage device is connected to the load and monitoring center, and includes a main mode of the rainbow system in the connection with the monitoring center, and is used to transmit and exchange data between the smart modular device and the control center; Secondary mode component mode. And connected, and the plurality of sub-modules are connected to each other in series, connected to the load, and supply power to the load, and each of the sub-modules includes one, and is also isolated from the single-pole, for respectively connecting with the grounding end, The grounding end of each of the two-mode ground and the grounding end of the main module are separated from each other, and when one of the plurality of sub-modules fails or is damaged, the four-module system automatically transmits - A fault signal is sent to the main module, so that the main module transmits the fault signal to the monitoring center. [Embodiment] [0009] Some typical embodiments embodying the advantages of the present invention will be described in detail in the following paragraphs. It should be understood that the case can have various changes in different aspects, and it does not deviate from the scope of the present case, and the description and the figure π are essentially used as explanations instead of To limit the case. 100112960 Form No. 101 0101 Page 6 / Total 27 Page 1002021609-0 201242209 [00103 Please refer to the first figure, which is a block diagram of a smart modular energy storage device according to a preferred embodiment of the present invention. As shown in the first figure, in the present embodiment, the intelligent modular energy storage device 1 is connected to the load 2 and the monitoring center 3, and the intelligent modular energy storage device 1 includes the main module 11 and a plurality of The secondary module 12, for example, the first module 12, the second module 13, and the third module 14, but not limited thereto. In this embodiment, the main module 11 is through a standard communication interface. For example, a communication interface such as CAN Bus, IEEE485, IEEE488, UART or Net is connected to the monitoring center 3 for transmitting and exchanging data between the intelligent modular energy storage device 1 and the monitoring center 3. [0011] Multiple sub-modules, namely the first module 12 and the second module 13 and the third sub-module 14 are respectively connected to the main module 11, and the first sub-module 12, the second sub-module 13 and the third sub-module 14 are connected to each other in series and connected to the load 2. And supplying power to the load 2 to drive the load 2. In addition, the first module 12, the second module 13 and the third module 14 respectively include a first ground isolation unit 121 and a second ground isolation unit. The first grounding terminal gl, the second grounding terminal g2 and the third grounding terminal g3 are respectively connected to the third grounding isolation unit 141, thereby making the plurality of secondary modules 12, 13 and 14 and the main module 11 The grounding of each other is isolated from each other. [0012] In this example, the first grounding end gl of the first module 12 is connected to the cathode end of the load 2 and the load grounding end Ga, and the second grounding of the second sub-module 13 The end g2 is connected to the anode end of the first energy storage unit 123 of the first sub-module 12, the third ground end g3 of the third sub-module 14 and the anode end of the second energy storage unit 133 of the second sub-module 12. Connected, and the anode end of the third energy storage unit 143 of the third module 14 is connected to the anode end of the load 2. Since, a plurality of secondary modes 100112960 Form No. A0101 Page 7 / Total 27 Page 1002021609-0 201242209 Groups 12, 13 and 14 and the main module 11 are grounded (gl, g2, g3, G) from each other 'so each time - module The monitoring unit Π 22, 132, 142) detects that the detection voltage signals of the first energy storage unit m to the third energy storage unit 143 are not referenced by the system ground terminal, but are grounded according to the respective modules (gl H(9) is the zero voltage reference point, and the detection voltage of each sub-module is not affected by the storage voltage (vbl~vb3) of other reading groups, which is more accurate. For example, when the second monitoring unit=2 detects the detection voltage signal about the second stored energy, at this time, “the first storage of the electric I Vbl X does not affect the detection of the electric dust signal” second monitoring The unit 132 can determine whether the battery pack of the first energy storage unit η is faulty or has sufficient storage capacity. [0014] In this embodiment, when one of the plurality of secondary modules, for example, - one of the secondary module 12, the second secondary module 13 or the third secondary module 14, in the event of a failure or damage, the domain group (10) sends a self-delivery-fault signal to the monitoring center 3' to notify the relevant maintenance personnel, and The operation of repairing or repairing the faulty or damaged secondary module. Please refer to the second figure and cooperate with the first figure. The second figure is the internal square diagram of any secondary module in the first figure. For convenience of explanation, the following describes the first-stage module 12 as an example. As shown in the first and second figures, the first mode " and 12 includes the first ground isolation unit 121, the first monitoring unit 122, and the first- The energy storage unit (2). In this embodiment, the first ground isolation unit 121 The output interrupting circuit Mu and the input blocking circuit lug, wherein the output blocking circuit 12丨1 has a wheel connector 1211a, an input ground terminal 12Ub, an output terminal 1211c, and an output ground terminal I211d, and the input is interrupted. The circuit 121 2 also has an input terminal 1 212a, an input ground 100112960, a form number A010, a page 8 / a total of 27 pages 1002021609-0 201242209 a terminal 1212b, an output connection end 121 2c and an output ground terminal 1212d. In this embodiment The output connection terminal uila of the output interruption circuit 211 and the output connection end 121 2c of the input interruption circuit 121 2 are respectively connected to the first monitoring unit 122' and the input ground terminal 1211b and the input of the output interruption circuit 1211. The output ground terminal 1212d of the blocking circuit 212 is connected to each other and then connected to the first ground terminal g 1. [0015] Ο G [0016] Furthermore, the output connection terminal 1211c and the input of the turn-off interrupting circuit 1211 The input terminal 121 2a of the blocking circuit 1212 is respectively connected to the main module 11 (not shown), and the output ground terminal I211d of the output blocking circuit 1211 and the input ground end 121 2b of the input blocking circuit 1212. Departments connected to each other The ground terminal G connection 'the first module 12 can transmit the data to and from the main module 11 through the output blocking circuit 211 and the input blocking circuit 1212 through the connection relationship described above and make the first module The voltage level of 12 is isolated from the voltage level of the main module 11 to achieve the problem of preventing the voltage level from affecting each other. In this embodiment, the output blocking circuit 121 and the input blocking circuit 121 2 can be It is, but not limited to, an optical coupling element with signal isolation. In this embodiment, the first monitoring unit 122 of the first module 12 includes at least a processing circuit 12 21 and one or more detection circuits, such as a voltage detection circuit 1 222, a current detection circuit 1223, and temperature detection. The circuit 1224 and the internal resistance detecting circuit 1225 are not limited thereto, and the first energy storage unit 丨 23 includes at least a battery pack 1 2 31 and a switch circuit 1 2 3 2, wherein the battery pack 1 2 31 is used to output one The first storage voltage Vbl, and the battery pack 1231 is composed of, for example, a plurality of batteries connected in series and/or in parallel with each other (not shown), but is not limited thereto. The switch circuit 1 232 is connected to the battery pack 100112960 Form No. A0101, page 9 / page 27, 1002021609-0 201242209 1231, for determining whether the power of the battery pack 1231 (ie, the first storage voltage VM) can be output to the load 2 That is, when the switch circuit is open (〇ff), the power of the battery pack 1232 cannot be turned to the load 2, whereas when the switch circuit (10) is short-circuited (ON), the power of the battery pack can pass through the circuit 1 232. Output to load 2 to drive load 2 operation. [0017] In the embodiment, the processing circuit 1221 is connected to the voltage detecting circuit 1 222, the current generating circuit 1223, the temperature detecting circuit 1 224, and the internal resistance measuring circuit 1 225, respectively, for receiving each debt. The fault signal of the circuit is detected, for example, the voltage sampling circuit 1222 detects that the voltage of the battery pack 1231 of the first energy storage unit 123 is lower than a voltage safety threshold, and the electric (four) measuring circuit 12 is called The battery group 1231 of the first energy storage unit 123 generates an overcurrent fault signal whose current is higher than a current safety threshold. The temperature detecting circuit 1224 detects that the temperature of the battery pack 1231 of the first energy storage unit 123 is higher than a temperature. The safety threshold over temperature fault signal or internal resistance detecting circuit 1225 detects that the internal resistance of the battery pack 1231 of the first energy storage unit 丨23 is within an internal resistance safety threshold (for example, several hundred ohms). Blocking the fault signal 'and analyzing or processing the received one or more fault signals, for example, giving different weights according to the size of the above various fault signals to indicate that the detected battery pack 1231 occurs. The severity of the fault, for example, when the low voltage fault signal is smaller, the overcurrent fault signal is larger, the over temperature fault signal is larger, and the overcurrent fault signal is larger, the weight of the representative is greater, and vice versa. small. In some embodiments, the fault signal also includes, for example, a faulty signal of the battery pack 1231 of the first energy storage unit 123 that is aged to cause poor power storage or unstable power supply, but is not limited thereto. 100112960 Form No. A0101 Page 1 of 271002021609-0 201242209 [0018] Furthermore, the processing circuit 1221 automatically detects the fault of the battery pack 1231 of the first energy storage unit 123 according to the weight of various fault signals. Therefore, it is determined whether the preliminary troubleshooting of the battery pack 1231 is to be performed immediately, for example, the switch circuit 1232 is turned off, and even if the switch circuit 1232 is turned OFF, the first energy storage unit 123 cannot provide the first storage voltage Vbl to The load 2, or the partial switching circuit 1232 is cut off to selectively supply the non-faulty battery pack 1231 to supply power, thereby protecting the load 2 from normal operation. In addition, the processing circuit 12 21 transmits all the received fault signals to the monitoring center 3 through the first ground isolation unit 121 in sequence according to the weight of the weights. [0019] In the embodiment, the first ground isolation unit 121, the first monitoring unit 122, and the first energy storage unit 123 are electrically connected to the first grounding end gl to ground the first sub-module 12 It is independent and separated from the system ground terminal 6, thereby preventing the problem that the voltage level of the first module 12 and the voltage level of the main module are mutually affected. [0020] Similarly, in the embodiment, the second ground isolation unit 131 and the third ground isolation unit 141 respectively have an output blocking circuit (not shown) and an input blocking circuit (not shown). And the output blocking circuit and the input blocking circuit respectively have an input connection end, an input ground end, an output connection end, and an output ground end, so that the second sub-module 13 and the third sub-module 14 can respectively pass through The respective output blocking circuit and the input blocking circuit and the main module u transmit data to each other, and the voltage levels of the second module 13 and the third module 14 are respectively compared with the voltage level of the main module 11. Bit isolation, to achieve the problem of preventing the voltage levels of either or all three from affecting each other. In this embodiment, the output of the first ground isolation unit 131 and the third ground isolation unit 141 is 100112960. Form No. A0101 Page 11 / Total 27 Page 1002021609-0 201242209 The circuit and the input interrupt circuit can be but not Limited to optical coupling components with signal isolation. [0021] In addition, the second sub-module 13 and the third sub-module 14 further include a second monitoring unit 132, a second energy storage unit 133, a third monitoring unit 142, and a third energy storage unit 143, respectively. The second monitoring unit 132 and the third monitoring unit 142 respectively include at least a processing circuit (not shown) and one or more detection circuits (not shown), such as a voltage detection circuit, a current detection circuit, and a temperature detection. The measurement circuit and the internal resistance detection circuit are not limited thereto, and the second energy storage unit 133 and the third energy storage unit 143 also include at least the battery groups 1331 and 1431 and the switch circuits 1 332 and 1431, respectively, and output respectively. The second storage voltage Vb2 and the third storage voltage Vb3 are to the load 2. [0022] Furthermore, the second ground isolation unit 131, the second monitoring unit 132, and the second energy storage unit 132 are electrically connected to the second ground terminal g2, and similarly, the third ground isolation unit 141, The third monitoring unit 142 and the third energy storage unit 143 are electrically connected to the third grounding end g3 so that the grounding of the second sub-module 13 and the third sub-module 14 are independent of each other and the system grounding end G Separating, thereby preventing the voltage level of the second module 13 , the voltage level of the third module 14 and the voltage level of the main module 11 from affecting each other, and further, due to the second monitoring unit The zero voltage reference of the operating voltage of 132 is the second grounding terminal g2, and the operating voltage of the second monitoring unit 132 is not affected by the first storage voltage Vk1 or the storage voltage VKQ of the other secondary modules, and the voltage value thereof is not high. The operating voltage of the first monitoring unit 122 or the third monitoring unit 142. In this embodiment, the connection relationship and the actuation mode of the second submodule 13 and the third submodule 14 are similar to those of the first submodule 12, and thus will not be described again. 100112960 Form No. 1010101 Page 12/Total 27 Page 1002021609-0 201242209 [0023] Referring again to the first figure, in the present embodiment, the main module 11 of the intelligent modular energy storage device 1 includes at least processing. The unit 111, the storage unit 11 2, the communication unit 113, and the display unit 114. The processing unit ill is connected to the ground isolation units 121, 131, and 141 ′ of the plurality of sub-modules 12, 13 and 14 to transmit data to each other, and the processing unit 111 is also associated with the storage unit 112 and the communication unit 113, respectively. And the display unit 114 is electrically connected to the processing unit 111 and the storage unit 112, the communication unit 113 and the display unit 114, respectively, for transmitting and exchanging data with each other, for example, receiving the first module 12 and the second module. The fault signal is outputted by the secondary module 13 and/or the third module 14 , and the fault signal is stored in the storage unit 112 and displayed on the display unit 114 , or the fault signal is selectively transmitted to the monitoring center through the communication unit 113 . 3. The monitoring center 3 transmits the fault signal to the smart phone 4 through the wireless network or the global mobile communication system (GSM) to notify the relevant maintenance personnel to repair or replace the faulty one. The action of the battery pack. In this embodiment, the communication unit 丨13 may include a wired and/or wireless signal transmission interface. [0024] In addition, in this embodiment, the plurality of secondary modules are connected in series, that is, the first module 12 is connected in series to the second module 13, and the second module 13 is connected in series. The third module 14' and jointly outputs the assembly voltage VB to the load 2 to provide the power required for the operation of the load 2, wherein the assembly "v" is the first energy storage, the second energy storage voltage v And the third storage voltage vb3 is superimposed, that is, 'but f is equal to the operating voltage of each of the monitoring units 122, 132, 142. i 100112960 Form No. A0I01 1002021609-0 Page 13 of 27 201242209 [0025] Furthermore, the first ground isolation unit 121 and the second ground isolation of each of the secondary modules 12, 13 and 14 after series connection The grounding of the unit 131 and the third grounding isolation unit 141 are isolated from each other and independent, that is, the first grounding end gl of the first module 12, the second grounding end g2 of the second secondary module 13, and the third The third grounding end g3 of the secondary module 14 is not connected to each other, and the first grounding end gl, the second grounding end g2, the third grounding end g3, and the system grounding end G are also isolated from each other and independent of each other. The first monitoring unit 122, the second monitoring unit 132, and the third monitoring unit 142 are respectively detecting the battery of the first energy storage unit 123, the battery of the second energy storage unit 133, and the battery of the third energy storage unit 143. When the group 1431 is not affected by the voltage levels of the other sub-modules and/or the main module 11, for example, when the first monitoring unit 122 is detecting the battery pack 1231 of the first energy storage unit 123, the first energy storage. The voltage level of the voltage Vk1 will not be affected by the second storage.

b I energy voltage, third storage voltage Vkq and/or voltage level of the main module 11

The influence of ΟΔ DO can accurately measure the voltage level value of the first storage voltage Vk1

b I , for the first monitoring unit 122 to accurately determine whether the first energy storage unit 123 is faulty. Please refer to the third figure and cooperate with the first figure and the second figure, wherein the third figure is a flow chart of automatic detection and repair of the intelligent modular energy storage device of the preferred embodiment of the present invention. As shown in the first figure, the second figure and the third figure, according to the concept of the present case, the automatic detection and repair process of the case mainly includes the following steps: First, as shown in steps S10 to S12, when the intelligent modular energy storage When the device 1 supplies power to the load 2 and drives the load 2 to operate, the first monitoring unit 122, the second monitoring unit 132, and the third monitoring unit 142 will periodically detect the battery pack 1 of the first energy storage unit 1 2 3 respectively. 3 1 signal, second energy storage 100112960 Form No. A0101 Page 14 / Total 27 pages 1002021609-0 201242209 ❹ [0028] [0029] The battery of the unit 133 and the battery of the third energy storage unit 143 Whether the group 1431 signal is abnormal. If yes, the first monitoring unit 122, the second monitoring unit 132, and the third monitoring unit 142 will automatically transmit one or more faults through the first ground isolation unit 121, the second ground isolation unit 131, and the third ground isolation unit 141, respectively. The signal (such as a low voltage fault signal, an over current fault signal, an over temperature fault signal, or an internal resistance fault signal) is sent to the processing unit 111 of the main module 11, and the processing unit 111 of the main module 11 receives the signal. One or more fault signals are transmitted to the storage unit 112, the communication unit 113, and the display unit 114, respectively, for storing and displaying the one or more fault signals, or selectively transmitted to the monitoring center 3 through the communication unit 113. Then, as shown in steps S13 to S14, the monitoring center 3 will automatically determine whether the one or more fault signals are received, and if so, the monitoring center 3 will analyze and collect the fault signals. Finally, as shown in steps S15 to S16, the monitoring center 3 determines the battery pack 1231 of the first energy storage unit 123, the battery pack 1331 of the second energy storage unit 133, and the third energy storage unit by the weight of the fault signal. 143 of the battery pack 1431 is seriously faulty, and if so, the monitoring center 3 transmits the one or more fault signals to the smart phone 4 through the wireless network or the global mobile communication system (GSM), thereby notifying the relevant maintenance personnel to immediately repair or replace A battery pack that has been severely faulty. In summary, the present invention provides a smart modular energy storage device, which includes a main module and a plurality of sub-modules, wherein a plurality of sub-modules are connected in series to each other and connected to a load for The power required for the operation of the load is provided, and the plurality of sub-modules respectively have a ground isolation unit connected to the respective ground 100112960 Form No. A0101, page 15 / 27 pages 1002021609-0 201242209, so that the plurality of sub-modules The voltage level is isolated from the voltage level of the main module, and the problem of preventing the voltage levels of any two or more from affecting each other, thereby improving the scalability and stability of the battery management system. In addition, the smart modular energy storage device of the present invention can automatically detect the health status and operation of the battery pack of each module, and when any one of the battery packs of one or more sub-modules fails, At the same time, the intelligent modular energy storage device will automatically start the protection mechanism, or immediately transmit a fault signal to the monitoring center to immediately notify the maintenance personnel to perform related repairs and the like, thereby reducing the difficulty of maintenance of the battery management system. degree. [0030] The present invention has been described in detail by the above-described embodiments, and may be modified by those skilled in the art, without departing from the scope of the appended claims. BRIEF DESCRIPTION OF THE DRAWINGS [0031] The first figure is a block diagram of a smart modular energy storage device of the preferred embodiment of the present invention. The second figure is an internal block diagram of any of the secondary modules in the first figure. 〇 The third figure is a flow chart for automatic detection and repair of the intelligent modular energy storage device of the preferred embodiment of the present invention. [Main component symbol description] [0032] 1 : Intelligent modular energy storage device II: Main module III: Processing unit 11 2: Storage unit 100112960 Form number A0101 Page 16 of 27 1002021609-0 201242209 113 : communication unit 11 4 : display unit 12 : first module 13 : second module 14 · third module 121 : first ground isolation unit 131 : second ground isolation unit 141 : third ground isolation Unit 1211: output interrupting circuit Ο 1212: input blocking circuit 1211a, 1212a: input connecting end 1211b, 1212b: input grounding end 1211c, 1212c: output connecting end 1211d, 1212d: output grounding end 122: first monitoring unit 132: second monitoring unit 142: third monitoring unit

1221: processing circuit 1222: voltage detecting circuit 1223: current detecting circuit 1 224: temperature detecting circuit 1225: internal resistance detecting circuit 123: first energy storage unit 133: second energy storage unit 143: third energy storage Units 1231, 1331, 1431: Battery pack 100112960 Form number A0101 Page 17 of 27 1002021609-0 201242209 1 232, 1 332, 1432: Switch circuit 2: Load 3: Monitoring center 4: Smart phone g 1 : A ground terminal g2: a second ground terminal g3: a third ground terminal G: a system ground terminal Ga: a load ground terminal S10 to S16: an automatic detection and repair process step: a first energy storage voltage b 1 vb2: a second energy storage Voltage vkQ: third storage voltage b 〇vB : assembly voltage

D 100112960

Form No. A0HU Page 18 of 27 1002021609-0

Claims (1)

4 201242209 VII. Patent application scope: 1 • A smart modular energy storage device is connected to the load and a monitoring center. The intelligent modular energy storage device includes: work-main module The system is connected to the monitoring center for transmitting and exchanging data between the smart modular energy storage device and the monitoring center; and a plurality of secondary modules respectively connected to the main module, and The plurality of sub-modules are connected in series with each other, and the plurality of sub-modules connected in series are connected to the load and supply power to the load, and each of the sub-modules includes "'ground isolation unit Connecting to the grounding terminal respectively, so that the grounding end of each of the secondary modules and the grounding end of the primary module are isolated from each other; wherein, when one of the plurality of secondary modules fails or is damaged The remote module is automatically detected and executed, and the main module will be automatically transported - the fault signal output by the faulty or damaged secondary module to the monitoring center. 2 ·> Claim Patent (4) The intelligent modular energy storage device according to item 1, wherein the main module comprises at least: a processing unit connected to the ground isolation unit of each of the submodules and Each of the modules transmits data to each other; a storage unit is coupled to the processing unit for storing the fault signal output by the faulty module; the communication unit is connected to the processing unit For transmitting the fault signal to the monitoring center through a wired and/or wireless numbering interface; and 100112960, table early number A0101, page 19, total 27 pages, 1002021609-0 201242209, a display unit connected to the processing unit, Used to display the fault signal. 3. The intelligent modular energy storage device according to claim 1, wherein each of the sub-modules further comprises: an energy storage unit, comprising at least: a battery pack, wherein the plurality of batteries are mutually a series connection and/or a parallel connection for outputting a storage voltage; and a switch circuit connected to the battery pack for determining whether to output the storage voltage of the battery pack to the load to drive the a load operation; and a monitoring unit connected to the energy storage unit and the ground isolation unit for detecting whether the battery pack is faulty, and if so, the monitoring unit automatically analyzes and processes the fault signal, and the battery pack Performing a preliminary troubleshooting operation, and transmitting the fault signal to the main module through the ground isolation unit. 4. The intelligent modular energy storage device according to claim 3, wherein the monitoring unit comprises at least: a processing circuit; a voltage detecting circuit connected to the processing circuit for detecting the Whether the voltage value of the battery pack is lower than a voltage safety threshold; a current detecting circuit is connected to the processing circuit for detecting whether the current value of the battery pack is higher than a current safety threshold; Connected to the processing circuit for detecting whether the temperature of the battery pack is higher than a temperature safety threshold; and an internal resistance detecting circuit connected to the processing circuit for detecting whether the temperature of the battery pack is high The safety threshold of one internal resistance; 100112960 Form No. A0101 Page 20 of 271002021609-0 201242209 Where, when the voltage value of the battery pack is lower than the voltage safety threshold, the current value is higher than the current safety threshold, The temperature is higher than the temperature safety threshold or the internal resistance is higher than the safety threshold of the internal resistance, and the processing circuit automatically analyzes, processes and outputs the fault signal to the main module. The battery pack to carry out preliminary troubleshooting action. 5. The intelligent modular energy storage device according to claim 3, wherein the ground isolation unit of each of the sub-modules comprises at least: an output interrupting circuit having an input connection end, An input ground terminal, an output connection terminal and an output ground terminal; and an input input blocking circuit having an input connection end, an input ground end, an output connection end and an output ground end; wherein the output cover The input connection end of the breaking circuit and the output connection end of the input breaking circuit are respectively connected to the monitoring unit, and the input ground of the output blocking circuit and the output of the input blocking circuit The ground terminals are connected to each other and then connected to the ground terminal; the output connection end of the output interrupting circuit and the input connection end of the input interrupting circuit are respectively connected to the main module, and the output is interrupted The output ground of the electric circuit is interconnected with the input ground of the input interrupting circuit, and then connected to a system ground for making a voltage level of each of the submodules and the main mode Group voltage The positions are isolated from each other. 6. The intelligent modular energy storage device of claim 5, wherein the output interrupting circuit and the input interrupting circuit are optical coupling elements having a signal isolation function. 7. The intelligent modular energy storage device according to claim 3, wherein the ground isolation unit, the monitoring unit and the energy storage unit of each of the secondary modules are electrically connected to the same The grounding terminal is such that the grounding of each of the sub-modules 100112960 Form No. A0101 Page 21/27 pages 1002021609-0 201242209 is independent of each other and is separated from a system ground. 8. The intelligent modular energy storage device according to claim 1, wherein the monitoring center transmits the fault signal to a smart phone through a wireless network or a global mobile communication system. 9. A management system for an energy storage device, comprising: a monitoring center; and at least one intelligent modular energy storage device connected to a load and the monitoring center, and the intelligent modular energy storage device The device comprises: a main module, connected to the monitoring center, for transmitting and exchanging data between the smart modular energy storage device and the monitoring center: and a plurality of sub-modules respectively constructed and The main module is connected, and the plurality of sub-modules are connected in series with each other, and the plurality of sub-modules connected in series are connected to the load and supply power to the load, and each of the sub-modules includes a ground isolation The unit is connected to a grounding end, so that the grounding end of each of the secondary modules and one of the grounding ends of the primary module are isolated from each other, wherein when one of the plurality of secondary modules fails In the event of damage, the module automatically transmits a fault signal to the main module, so that the main module transmits the fault signal to the monitoring center. 10. The management system of an energy storage device according to claim 9, wherein the main module comprises at least: a processing unit connected to the ground isolation unit of each of the submodules, and each of the The secondary modules transmit data to each other; a storage unit is coupled to the processing unit for storing the fault signal output by the faulty or damaged secondary module; 100112960 Form No. A0101 Page 22 of 27 1002021609-0 201242209 a communication unit connected to the processing unit for transmitting the fault signal to the monitoring center via a wired and/or wireless signal transmission interface; and a display unit connected to the processing unit for displaying the The fault signal; wherein each of the modules further comprises: an energy storage unit comprising at least one battery pack and a switch circuit; and a monitoring unit connected to the energy storage unit and the ground isolation unit; Detecting whether the battery pack is faulty, and if so, the monitoring unit automatically analyzes and processes the fault signal, and performs preliminary analysis on the battery pack. And the faulty operation, and transmitting the fault signal to the main module through the ground isolation unit; wherein the monitoring unit comprises at least: a processing circuit; a voltage detecting circuit connected to the processing circuit for detecting the battery Whether the voltage value of the group is lower than a voltage safety threshold; Ο a current detecting circuit connected to the processing circuit for detecting whether the current value of the battery pack is higher than a current safety threshold; Connected to the processing circuit for detecting whether the temperature of the battery pack is higher than a temperature safety threshold; and an internal resistance detecting circuit connected to the processing circuit for detecting whether the temperature of the battery pack is high a safety threshold of the internal resistance; wherein, when the voltage value of the battery pack is lower than the voltage safety threshold, the current value is higher than the current safety threshold, the temperature is higher than the temperature safety threshold or the internal resistance is higher than the internal threshold Blocking safety threshold, the processing circuit is automatic 100112960 Form No. A0101 Page 23 / Total 27 Page 1002021609-0 201242209 Analysis, processing and output of this fault Numbers to the main module, and troubleshoot the initial operation of the battery pack. 100112960 Form No. A0101 Page 24 of 27 1002021609-0