CN113541242B - Storage battery pack open circuit monitoring and voltage loss compensation device - Google Patents
Storage battery pack open circuit monitoring and voltage loss compensation device Download PDFInfo
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- CN113541242B CN113541242B CN202110703776.XA CN202110703776A CN113541242B CN 113541242 B CN113541242 B CN 113541242B CN 202110703776 A CN202110703776 A CN 202110703776A CN 113541242 B CN113541242 B CN 113541242B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
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- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The invention discloses a storage battery open circuit monitoring and voltage loss compensation device, and relates to the technical field of storage battery maintenance. The technical points are as follows: the storage battery pack comprises a plurality of power modules, and each power module comprises a single battery, a main prompting circuit, a voltage loss power-off circuit, a voltage loss compensation circuit, an auxiliary prompting circuit and a standby battery. The invention has the advantages that when any single battery in the storage battery pack is in an open circuit or a plurality of single batteries are in an open circuit simultaneously, the standby battery in each open-circuit power module can replace the open-circuit single battery to supply power, thereby ensuring that the integral output voltage of the storage battery pack is kept unchanged and ensuring the normal operation of equipment on a line.
Description
Technical Field
The invention relates to the technical field of storage battery pack maintenance, in particular to a storage battery pack open-circuit monitoring and voltage loss compensation device.
Background
The substation direct current system is used for relay protection, monitoring, control, communication and the like in a station as a part of a secondary system of power in the station. The storage battery pack is used as a backup power supply in the direct current system, and when the external alternating current is lost due to an accident or a fault, the storage battery pack maintains the voltage stability of the direct current bus, ensures the continuous work of relay protection, monitoring, control and communication, ensures the timely action of protection, further enlarges the fault prevention range and the accident range, and effectively ensures the safe operation of the power system. Therefore, the storage battery pack plays an important role in guaranteeing the safe operation of the power system in the direct-current system, particularly at the moment of the key of power failure in an external accident, and is an indispensable important ring. The operational reliability of the storage battery pack is related to the operational safety of a total station power system, and how to guarantee the operational reliability of the storage battery pack becomes the key of a direct current system.
The storage battery pack open-circuit monitoring and voltage loss compensation device is arranged between two groups of direct current buses, a storage battery pack is arranged on the direct current buses, a storage battery pack open-circuit monitoring unit is arranged on the storage battery pack, a voltage loss compensation unit is arranged between the two groups of direct current buses, and the storage battery pack open-circuit monitoring unit is in signal connection with the voltage loss compensation unit; the voltage loss compensation unit comprises a sampling circuit, a first controller and a bidirectional DC/DC power supply subunit which are connected in sequence; the storage battery pack open circuit monitoring unit judges the open circuit state of the storage battery pack; the sampling circuit collects a direct current bus voltage signal and a direct current bus current signal; the first controller receives and records a sampling signal and an open-circuit signal of the storage battery pack; the bidirectional DC/DC power supply subunit provides voltage compensation for one group of direct current buses to a group of direct current buses with voltage loss. When the device carries out online open circuit monitoring on the storage battery pack, no-voltage compensation can be provided for the no-voltage direct current bus, the voltage of the no-voltage bus is maintained, and the continuous and stable operation of the direct current bus is guaranteed.
The above prior art solution has the following drawbacks: during the process of voltage loss compensation, the voltage on the compensated bus is lower than the normal voltage, and the normal operation of equipment on a line can be influenced by long-time operation.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a storage battery pack open-circuit monitoring and voltage loss compensation device which has the advantages that when any single battery in the storage battery pack is open-circuit or a plurality of single batteries are open-circuit simultaneously, a standby battery in each open-circuit power supply module can replace the open-circuit single battery to supply power, so that the integral output voltage of the storage battery pack is kept unchanged, and the normal operation of equipment on a line can be ensured.
The above object of the present invention is achieved by the following technical solutions:
the storage battery pack open-circuit monitoring and voltage-loss compensating device comprises a storage battery pack, wherein the storage battery pack comprises a plurality of power modules which are connected in series, each power module comprises a single cell, a main prompting circuit, a voltage-loss power-off circuit, a voltage-loss compensating circuit, an auxiliary prompting circuit and a standby battery, the negative pole of each single cell is electrically connected with the negative pole of each power module, the positive pole of each single cell is electrically connected with the main prompting circuit, the main prompting circuit is respectively electrically connected with the first end of the voltage-loss power-off circuit and the first end of the voltage-loss compensating circuit, the second end of the voltage-loss power-off circuit is electrically connected with the negative pole of each single cell, the fourth end of the voltage-loss compensating circuit is electrically connected with the first end of the auxiliary prompting circuit, the second end of the auxiliary prompting circuit is electrically connected with the positive pole of the standby battery, and the negative pole of the standby battery is electrically connected with the negative pole of each single cell, and each charging battery is electrically connected with the charging battery.
Through adopting above-mentioned technical scheme, when arbitrary monocell in the storage battery is opened a way or a plurality of monocells are opened a way simultaneously, the spare battery in every power module of opening a way all can replace the monocell of opening a way to supply power, thereby guarantee that storage battery whole output voltage keeps unchangeable, meanwhile, main suggestion circuit can remind the staff, instruct the staff to take place the concrete position of the monocell of opening a way, help the staff change and maintain it, vice suggestion circuit can indicate whether the operating condition of the corresponding spare battery of staff is normal.
The present invention in a preferred example may be further configured to: the main prompt circuit comprises a light emitting diode LED1, the anode of the light emitting diode LED1 is electrically connected with the anode of a battery cell BAT2 and one end of a resistor R7, the cathode of the light emitting diode LED1 is electrically connected with one end of a resistor R6, and the other end of the resistor R6 is electrically connected with the other end of the resistor R7, the first end of the voltage loss power-off circuit and the first end of the voltage loss compensation circuit.
Through adopting above-mentioned technical scheme, resistance R6's function lies in the limiting current, protects emitting diode LED1, and resistance R7's effect lies in reducing the line resistance, shunts simultaneously, makes monocell BAT 2's line loss reduce, protects emitting diode LED1 not damaged simultaneously, and emitting diode LED1 cuts off the power supply and extinguishes when monocell BAT2 opens a way, and the suggestion staff takes place the concrete position of the monocell BAT2 that opens a way, and supplementary staff changes it and maintains.
The present invention in a preferred example may be further configured to: the voltage-loss power-off circuit comprises a triode Q1, a collector of the triode Q1 is electrically connected to the other end of the resistor R6, one end of the resistor R3 and one end of the resistor R10 respectively, a base of the triode Q1 is electrically connected to the other end of the resistor R3, an emitter of the triode Q1 is electrically connected to the anode of the power module, and the other end of the resistor R10 is electrically connected to the cathode of the battery cell BAT 2.
By adopting the technical scheme, the trigger voltage threshold value of the voltage loss power-off circuit can be changed by changing the resistance of the resistor R3, when the single battery BAT2 is open-circuited or under-voltage, namely the voltage of the single battery BAT2 is reduced to a set threshold value, the base voltage of the triode Q1 can be reduced to be lower than the conducting voltage, and the triode Q1 is disconnected, so that the single battery BAT2 is protected, and the over-discharge of the single battery BAT2 is avoided.
The present invention in a preferred example may be further configured to: the no-voltage compensation circuit includes triode Q2, triode Q2 collecting electrode respectively electric connection in resistance R6 other end, resistance R5 one end, resistance R1 one end, triode Q2 base connect in the resistance R5 other end, triode Q2 projecting pole is electric connection respectively opto-coupler U1's pin 2, resistance R2 one end, resistance R2 other end electric connection in battery BAT2 negative pole, 3 electric connection of opto-coupler U1's pin 3 electric connection in power module is anodal, 1 electric connection of opto-coupler U1's pin 1 electric connection in the resistance R1 other end, 4 electric connection of opto-coupler U1's pin in the one end of vice suggestion circuit.
Through adopting above-mentioned technical scheme, can change the trigger voltage threshold value of decompression compensating circuit through the resistance that changes resistance R5, when monocell BAT2 took place the open circuit or when undervoltage, when monocell BAT 2's voltage dropped to setting for the threshold value promptly, triode Q2's base voltage can fall below the break-over voltage, triode Q2 disconnection, opto-coupler U1 switches on, switches on vice suggestion circuit of switch-on and reserve battery.
The present invention in a preferred example may be further configured to: the auxiliary prompting circuit comprises a light-emitting diode LED2, the negative electrode of the light-emitting diode LED2 is electrically connected to the pin 4 of the optocoupler U1 and one end of the resistor R4 respectively, the positive electrode of the light-emitting diode LED2 is electrically connected to one end of the resistor R8, the other end of the resistor R8 is electrically connected to the other end of the resistor R4 and the positive electrode of the backup battery FBAT2 respectively, and the negative electrode of the backup battery FBAT2 is connected to the negative electrode of the single battery BAT 2.
Through adopting above-mentioned technical scheme, resistance 86's function lies in the limiting current, protects emitting diode LED2, and resistance R4's effect lies in reducing the circuit resistance, shunts simultaneously, makes reserve battery FBAT 2's line loss reduce, protects emitting diode LED2 not damaged simultaneously, and emitting diode LED1 goes up when opto-coupler U1 switches on and lights, the specific position of the reserve battery FBAT2 of suggestion staff work, and the follow-up charging to it of supplementary staff.
The present invention in a preferred example may be further configured to: the spare battery model is the same as the single battery model.
By adopting the technical scheme, the performance of the standby battery is completely the same as that of a single battery, and the applicability of the standby battery is improved.
In summary, the invention includes at least one of the following beneficial technical effects:
1. through adopting above-mentioned technical scheme, when arbitrary monocell in the storage battery is opened a way or a plurality of monocells are opened a way simultaneously, the spare battery in every power module of opening a way all can replace the monocell of opening a way to supply power, thereby guarantee that storage battery whole output voltage keeps unchangeable, meanwhile, main suggestion circuit can remind the staff, instruct the staff to take place the concrete position of the monocell of opening a way, help the staff change and maintain it, vice suggestion circuit can indicate whether the operating condition of the corresponding spare battery of staff is normal.
Drawings
FIG. 1 is a block schematic of the present invention.
Fig. 2 is a circuit schematic of a single power module of fig. 1.
Reference numerals are as follows: 1. a battery pack; 2. a power supply module; 3. a single cell; 4. a main prompting circuit; 5. a voltage loss power-off circuit; 6. a voltage loss compensation circuit; 7. a secondary cue circuit; 8. and a backup battery.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the open circuit monitoring and voltage loss compensating apparatus for a storage battery pack 1 disclosed by the present invention includes the storage battery pack 1, the storage battery pack 1 includes a plurality of power modules 2, the plurality of power modules 2 are connected in series, each power module 2 includes a single cell 3, a main prompting circuit 4, a voltage loss power-off circuit 5, a voltage loss compensating circuit 6, an auxiliary prompting circuit 7, and a backup battery 8, a negative electrode of the single cell 3 is electrically connected to a negative electrode of the power module 2, a positive electrode of the single cell 3 is electrically connected to the main prompting circuit 4, the main prompting circuit 4 is electrically connected to a first terminal of the voltage loss power-off circuit 5 and a first terminal of the voltage loss compensating circuit 6, a second terminal of the voltage loss power-off circuit 5 is electrically connected to a positive electrode of the power module 2, a third terminal of the voltage loss power-off circuit 5 is electrically connected to a negative electrode of the single cell 3, a second terminal of the voltage loss compensating circuit 6 is electrically connected to a positive electrode of the power module 2, a third terminal of the voltage loss compensating circuit 6 is electrically connected to a negative electrode of the single cell 3, a fourth terminal of the voltage loss compensating circuit 6 is electrically connected to a first terminal of the auxiliary battery 7, a negative electrode of the backup battery 3 is electrically connected to a negative electrode of the backup battery 3, and a negative electrode of the backup battery 8, and a negative electrode of the backup battery 3, and a negative electrode of the backup battery 8 of the backup battery 3, and a second terminal of the backup battery 8 of the backup battery 3. When any one monocell 3 in the storage battery pack 1 is opened or a plurality of monocells 3 are opened simultaneously, the spare battery 8 in each opened power module 2 can replace the monocell 3 to supply power, so that the whole output voltage of the storage battery pack 1 is kept unchanged, meanwhile, the main prompting circuit 4 can remind a worker, the specific position of the monocell 3 which is opened by the worker is indicated, the worker is helped to replace and maintain the monocell 3, and the auxiliary prompting circuit 7 can prompt whether the working state of the corresponding spare battery 8 of the worker is normal or not.
As shown in fig. 2, the main prompt circuit 4 includes a light emitting diode LED1, a positive electrode of the light emitting diode LED1 is electrically connected to a positive electrode of the battery cell BAT2 and one end of the resistor R7, a negative electrode of the light emitting diode LED1 is electrically connected to one end of the resistor R6, and the other end of the resistor R6 is electrically connected to the other end of the resistor R7, the first end of the no-voltage power-off circuit 5, and the first end of the no-voltage compensation circuit 6. The function of resistance R6 lies in limiting current, protects emitting diode LED1, and resistance R7's effect lies in reducing the line resistance, shunts simultaneously, makes the circuit loss of monocell BAT2 reduce, protects emitting diode LED1 not damaged simultaneously, and emitting diode LED1 cuts off the power supply and extinguishes when monocell BAT2 opens a way, and the suggestion staff takes place the concrete position of the monocell BAT2 that opens a way, and supplementary staff changes it and maintains.
As shown in fig. 2, the voltage-loss power-off circuit 5 includes a transistor Q1, a collector of the transistor Q1 is electrically connected to the other end of the resistor R6, one end of the resistor R3, and one end of the resistor R10, respectively, a base of the transistor Q1 is electrically connected to the other end of the resistor R3, an emitter of the transistor Q1 is electrically connected to the positive electrode of the power module, and the other end of the resistor R10 is electrically connected to the negative electrode of the battery cell BAT 2. The trigger voltage threshold value of the voltage loss power-off circuit 5 can be changed by changing the resistance of the resistor R3, when the monocell BAT2 is open-circuited or under-voltage, namely the voltage of the monocell BAT2 is reduced to a set threshold value, the base voltage of the triode Q1 can be reduced to be lower than the conducting voltage, the triode Q1 is disconnected, and the voltage loss power-off circuit 5 is disconnected, so that the monocell BAT2 is protected, and the overdischarge of the monocell BAT2 is avoided.
As shown in fig. 2, the voltage-loss compensation circuit 6 includes triode Q2, triode Q2 collecting electrode is electric connection respectively in the resistance R6 other end, resistance R5 one end, resistance R1 one end, triode Q2 base is connected in the resistance R5 other end, triode Q2 projecting pole is electric connection opto-coupler U1's pin 2 respectively, resistance R2 one end, resistance R2 other end electric connection is in battery BAT2 negative pole, 3 electric connection of opto-coupler U1's pin is anodal in power module 2, 1 electric connection of opto-coupler U1's pin 1 is at the resistance R1 other end, 4 electric connection of opto-coupler U1's pin is in the one end of vice suggestion circuit 7. The trigger voltage threshold of the voltage loss compensation circuit 6 can be changed by changing the resistance of the resistor R5, when the single battery BAT2 is open-circuit or under-voltage, namely the voltage of the single battery BAT2 is reduced to a set threshold, the base voltage of the triode Q2 is reduced to be lower than the conduction voltage, the triode Q2 is disconnected, the optocoupler U1 is conducted, and the auxiliary prompt circuit 7 and the standby battery 8 are connected.
As shown in fig. 2, the auxiliary prompt circuit 7 includes a light emitting diode LED2, a cathode of the light emitting diode LED2 is electrically connected to one end of a pin 4 of the optocoupler U1 and one end of a resistor R4, an anode of the light emitting diode LED2 is electrically connected to one end of a resistor R8, the other end of the resistor R8 is electrically connected to the other end of the resistor R4 and an anode of the backup battery FBAT2, and a cathode of the backup battery FBAT2 is connected to a cathode of the battery cell BAT 2. The function of resistance 86 lies in the limiting current, protects emitting diode LED2, and resistance R4's effect lies in reducing the circuit resistance, shunts simultaneously, makes reserve battery FBAT 2's line loss reduce, and protection emitting diode LED2 does not receive the damage simultaneously, and emitting diode LED1 goes up when opto-coupler U1 switches on and lights, and the reserve battery FBAT 2's of suggestion staff work concrete position assists the staff follow-up to charge it.
As shown in fig. 1, the backup battery 8 is the same size as the single cell 3. This arrangement makes the performance of the battery backup 8 exactly the same as that of the single cell 3, and increases the applicability of the battery backup 8.
The implementation principle of the embodiment is as follows: when the invention is used, corresponding electrical elements are connected according to the description and the attached drawings in the invention, the threshold value of the voltage-loss power-off circuit 5 is adjusted by adjusting the resistance value of the resistor R3, the threshold value of the voltage-loss compensation circuit 6 is adjusted by adjusting the resistance value of the resistor R5, then the system is started, when the voltage-loss power-off circuit 5 and the voltage-loss compensation circuit 6 in one of the power modules 2 simultaneously monitor that the voltage of the single battery BAT2 is reduced below the preset voltage, the voltage-loss power-off circuit 5 is immediately disconnected, the single battery BAT2 is immediately in an open circuit state, meanwhile, the voltage-loss compensation circuit 6 is conducted, the voltage-loss compensation circuit 6 controls the standby battery FB2 to replace the single battery BAT2 to supply power to the storage battery pack 1, the main prompt circuit 4 is powered off, the light-emitting diode LED1 is extinguished, and prompts a worker to replace and maintain the failed single battery BAT2, meanwhile, the auxiliary prompting circuit 7 is conducted, the light emitting diode LED2 is lightened, the working state of the standby battery FBAT2 of a worker is prompted to be normal, after the worker maintains and replaces the single battery BAT2 with voltage loss, the single battery BAT2 is connected into the power module 2 again, the voltage of the single battery BAT2 is in a normal range at the moment, the voltage loss power-off circuit 5 is conducted, the main prompting circuit 4 is conducted, the voltage loss compensation circuit 6 is powered off, the auxiliary prompting circuit 7 is powered off, the standby battery FBAT2 is in an open-circuit state, the circuit is recovered to be normal, then the standby battery FBAT2 is fully charged, and therefore when any single battery BAT2 in the storage battery pack 1 is undervoltage, the standby battery FBAT2 can replace the undervoltage single battery BAT2 to supply power to the storage battery pack 1, the whole output voltage of the storage battery pack 1 is guaranteed to be kept unchanged, and normal operation of equipment on a line can be guaranteed.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: equivalent changes made according to the structure, shape and principle of the invention shall be covered by the protection scope of the invention.
Claims (3)
1. Storage battery open circuit monitoring and decompression compensation arrangement, including storage battery (1), its characterized in that: the storage battery pack (1) comprises a plurality of power modules (2), the power modules (2) are connected in series, each power module (2) comprises a single cell (3), a main prompt circuit (4), a voltage loss power-off circuit (5), a voltage loss compensation circuit (6), an auxiliary prompt circuit (7) and a spare battery (8), the negative electrode of each single cell (3) is electrically connected with the negative electrode of each power module (2), the positive electrode of each single cell (3) is electrically connected with the main prompt circuit (4), the main prompt circuit (4) is respectively electrically connected with the first end of the voltage loss power-off circuit (5) and the first end of the voltage loss compensation circuit (6), the second end of the voltage loss power-off circuit (5) is electrically connected with the positive electrode of each power module (2), the third end of the voltage loss power-off circuit (5) is electrically connected with the negative electrode of each single cell (3), the second end of the voltage loss compensation circuit (6) is electrically connected with the positive electrode of each power module (2), the third end of the voltage loss power-off circuit (6) is electrically connected with the negative electrode of each single cell (3), and the auxiliary battery (8) is electrically connected with the fourth end of each single cell (7), the negative electrode of the standby battery (8) is electrically connected with the negative electrode of the single battery (3), and the single battery (3) and the standby battery (8) are both a rechargeable battery;
the main prompt circuit (4) comprises a light-emitting diode (LED 1), the anode of the light-emitting diode (LED 1) is electrically connected with the anode of a battery cell BAT2 and one end of a resistor R7 respectively, the cathode of the light-emitting diode (LED 1) is electrically connected with one end of a resistor R6, and the other end of the resistor R6 is electrically connected with the other end of the resistor R7, the first end of the voltage loss power-off circuit (5) and the first end of the voltage loss compensation circuit (6) respectively;
the voltage-loss power-off circuit (5) comprises a triode Q1, a collector of the triode Q1 is electrically connected to the other end of the resistor R6, one end of the resistor R3 and one end of the resistor R10 respectively, a base of the triode Q1 is electrically connected to the other end of the resistor R3, an emitter of the triode Q1 is electrically connected to the anode of the power module, and the other end of the resistor R10 is electrically connected to the cathode of the battery cell BAT 2;
the no-voltage compensation circuit (6) includes triode Q2, triode Q2 collecting electrode respectively electric connection in the resistance R6 other end, resistance R5 one end, resistance R1 one end, triode Q2 base connect in the resistance R5 other end, triode Q2 projecting pole is electric connection opto-coupler U1's pin 2, resistance R2 one end respectively, resistance R2 other end electric connection in battery BAT2 negative pole, 3 electric connection of pin 3 electric connection of opto-coupler U1 in the power module is anodal, 1 electric connection of pin 1 of opto-coupler U1 in the resistance R1 other end, 4 electric connection of pin of opto-coupler U1 in the one end of vice suggestion circuit (7).
2. The battery pack open circuit monitoring and voltage loss compensation device according to claim 1, wherein: the auxiliary prompt circuit (7) comprises a light-emitting diode LED2, the negative electrode of the light-emitting diode LED2 is electrically connected to one end of a pin 4 and one end of a resistor R4 of the optocoupler U1 respectively, the positive electrode of the light-emitting diode LED2 is electrically connected to one end of a resistor R8, the other end of the resistor R8 is electrically connected to the other end of the resistor R4 and the positive electrode of the standby battery FBAT2 respectively, and the negative electrode of the standby battery FBAT2 is connected to the negative electrode of the battery cell BAT 2.
3. The battery pack open circuit monitoring and voltage loss compensation device according to claim 1, wherein: the type of the spare battery (8) is the same as that of the single battery (3).
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2384908A (en) * | 2002-02-05 | 2003-08-06 | Microsaic Systems Ltd | Miniature mass spectrometer |
| CN101902035A (en) * | 2010-06-29 | 2010-12-01 | 河南省电力公司许昌供电公司 | Direct current voltage compensation device for power distribution |
| CN102024998A (en) * | 2009-09-11 | 2011-04-20 | 上海市电力公司超高压输变电公司 | Method and device for preventing direct-current system of power transformation and distribution substation from powering off during storage battery maintenance |
| CN103085665A (en) * | 2011-10-27 | 2013-05-08 | 三洋电机株式会社 | Car power source apparatus and vehicle equipped with the power source apparatus |
| US8911248B1 (en) * | 2012-11-09 | 2014-12-16 | Amazon Technologies, Inc. | Busbar connection assembly |
| CN105006864A (en) * | 2015-08-04 | 2015-10-28 | 广州广日电气设备有限公司 | Energy-storage power supply system and energy-storage power supply method |
| CN105896622A (en) * | 2016-05-10 | 2016-08-24 | 国网新疆电力公司经济技术研究院 | High-reliability inductive energy taking power supply for power transmission line |
| CN206947935U (en) * | 2017-04-06 | 2018-01-30 | 六安市同心畅能电子科技有限公司 | A kind of battery overload short circuit automatic power-off protection circuit |
| CN207475255U (en) * | 2017-12-04 | 2018-06-08 | 中国科学院大连化学物理研究所 | A kind of power supply management system of fuel cell |
| CN111082511A (en) * | 2019-12-31 | 2020-04-28 | 深圳市核达中远通电源技术股份有限公司 | Power supply structure with automatic main/standby competition and rapid switching and implementation method |
| CN111371172A (en) * | 2020-03-10 | 2020-07-03 | 北京军陶科技有限公司 | Power supply switching circuit |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207039285U (en) * | 2017-07-26 | 2018-02-23 | 广西电网有限责任公司柳州供电局 | External power source accesses low-voltage power supply system device |
| CN207691497U (en) * | 2018-01-14 | 2018-08-03 | 广西电网有限责任公司河池供电局 | A kind of super capacitor charge and discharge device |
| CN211183516U (en) * | 2019-11-13 | 2020-08-04 | 广西电网有限责任公司电力科学研究院 | Power distribution terminal power supply system |
-
2021
- 2021-06-24 CN CN202110703776.XA patent/CN113541242B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2384908A (en) * | 2002-02-05 | 2003-08-06 | Microsaic Systems Ltd | Miniature mass spectrometer |
| CN102024998A (en) * | 2009-09-11 | 2011-04-20 | 上海市电力公司超高压输变电公司 | Method and device for preventing direct-current system of power transformation and distribution substation from powering off during storage battery maintenance |
| CN101902035A (en) * | 2010-06-29 | 2010-12-01 | 河南省电力公司许昌供电公司 | Direct current voltage compensation device for power distribution |
| CN103085665A (en) * | 2011-10-27 | 2013-05-08 | 三洋电机株式会社 | Car power source apparatus and vehicle equipped with the power source apparatus |
| US8911248B1 (en) * | 2012-11-09 | 2014-12-16 | Amazon Technologies, Inc. | Busbar connection assembly |
| CN105006864A (en) * | 2015-08-04 | 2015-10-28 | 广州广日电气设备有限公司 | Energy-storage power supply system and energy-storage power supply method |
| CN105896622A (en) * | 2016-05-10 | 2016-08-24 | 国网新疆电力公司经济技术研究院 | High-reliability inductive energy taking power supply for power transmission line |
| CN206947935U (en) * | 2017-04-06 | 2018-01-30 | 六安市同心畅能电子科技有限公司 | A kind of battery overload short circuit automatic power-off protection circuit |
| CN207475255U (en) * | 2017-12-04 | 2018-06-08 | 中国科学院大连化学物理研究所 | A kind of power supply management system of fuel cell |
| CN111082511A (en) * | 2019-12-31 | 2020-04-28 | 深圳市核达中远通电源技术股份有限公司 | Power supply structure with automatic main/standby competition and rapid switching and implementation method |
| CN111371172A (en) * | 2020-03-10 | 2020-07-03 | 北京军陶科技有限公司 | Power supply switching circuit |
Non-Patent Citations (2)
| Title |
|---|
| Power Electronics-An Emerging Technology;BIMAL K.BOSE;《IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS》;19890831;第36卷(第3期);第403-412页 * |
| 后备电源远程冷态放电装置在常村煤矿的应用;程志宇，等;《煤矿安全》;20150630;第46卷(第6期);第115-117页 * |
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