CN204761067U - Communication energy storage power supply system - Google Patents
Communication energy storage power supply system Download PDFInfo
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- CN204761067U CN204761067U CN201520371278.XU CN201520371278U CN204761067U CN 204761067 U CN204761067 U CN 204761067U CN 201520371278 U CN201520371278 U CN 201520371278U CN 204761067 U CN204761067 U CN 204761067U
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Abstract
The utility model relates to a communication energy storage power supply system, especially one kind relates to the direct current energy storage power supply system that internet data center, communication base station uses. The utility model discloses an intelligent control's communication electrical power generating system, including group battery, charge -discharge port, battery protected location, voltage conversion module, battery management unit, normally open delay switch and from the lock -switch. The utility model discloses a system's activation mode of two kinds of differences and the battery management system of intelligence have.
Description
Technical field
The utility model relates to a kind of communication accumulation power supply system, particularly a kind of DC energy storage power-supply system relating to Internet data center, communication base station.
Background technology
The battery management control mode of traditional uninterrupted power supply (ups) Unity is; battery temperature, electric current and voltage is detected by detection control unit; the temperature that outside Commutation control unit is sent according to detection control unit and current data adjustment charging voltage; capacity check will stop charging input; open the conductive discharge with cell parallel, outside Cross prevention unit closes electric discharge according to the voltage data of data detecting unit in good time.Storage battery under normal circumstances, alternating current is converted to low-voltage DC accumulators by external current-regulating circuit, storage battery converts 220V by inverter to direct current, the sine wave AC of 50Hz is supplied to lithium battery energy storage battery formula DC power control system in a kind of electric power system of load such as patent CN103117594 proposition, the space that traditional uninterruptible power (UPS) takies is larger, complex structure, Use Limitation rate is low, maintenance difficulties is large, dilatation is difficult, the inversion link used in simultaneously traditional uninterrupted power supply (ups) Unity can produce electrical network to be polluted, and there is Single Point of Faliure, fault time is between annual 31.5 seconds ~ 5.26 minutes.
Along with technical development, there has been proposed high-voltage DC power supply (HVDC), compare traditional uninterrupted power supply (ups) Unity, the control of high-voltage DC power supply (HVDC) is simple, and reliability is higher, and maintenance cost is low, and energy consumption is also lower.General high-voltage DC power supply (HVDC) is when civil power normally works, and enter charging by high-voltage direct current switch power supply, battery pack does not provide electric energy to equipment; There is provided electric energy by battery groups to devices again when AC power failure, ensure the uninterrupted power supply of equipment, as patent CN103346612A the 336VDC DC UPS system that proposes and method of supplying power to.This high-voltage DC power supply (HVDC) lacks the management of charging and discharging to battery pack intelligence, and when civil power normal power supply, battery pack is in charged state always, and easily cause overcharging, battery pack is easily damaged.
Utility model content
For above-mentioned prior art, this uses the technical problem of novel solution to be to provide a kind of effective management by high-voltage DC power supply (HVDC) and internal cell administrative unit and realizes without the need to inversion link when Li-ion batteries piles is applied to direct-current signaling energy-storage system, and can intelligent discharge and recharge, automatic equalization, detect battery status, function with power of computer room system real time communication in real time.Substitute traditional uninterrupted power supply (ups) Unity by high voltage direct current to power, in whole life cycle on average energy-conservation 20% to 30%, on average reduce investment outlay more than 40%.The more important thing is that and attended operation method is easy, makes the fail safe of system, reliability improves greatly because high voltage direct current electric power system fundamentally overcomes the Single Point of Faliure problem that uninterrupted power supply (ups) Unity exists.It is wide that battery compartment uses battery to compare its operating ambient temperature range of traditional storage battery, and the temperature range of work is 10 DEG C ~ 65 DEG C, solves traditional storage battery gathering line drawback that is perishable, that restrict by temperature.
For solving the problem, power-supply system of the present utility model comprises: battery pack, discharge and recharge port, battery protection unit, voltage transformation module, battery management unit, often open delay switch, self-lock switch.
Described discharge and recharge port is made up of discharge and recharge first pole and discharge and recharge second pole; Described battery protection unit is made up of copolar rectifier diode, charged electrical switch, electric discharge electronic switch; Described voltage transformation module provides two groups of voltage ends, and first group of voltage end is made up of the first port and the second port, and second group of voltage end is made up of the 3rd port and the 4th port;
Described delay switch of often opening is connected with self-lock switch;
Described battery pack has three loops to connect, and the first loop connects discharge and recharge first pole after connecting the first pole connection battery protection unit for battery pack, is extremely connected with second of battery pack by discharge and recharge second pole; The first pole that second servo loop connects for battery pack connects the first port connecting voltage transformation module after battery protection unit, via the second port of voltage transformation module to the second pole of battery pack; The first pole connected for battery pack, 3rd tunnel connect often drive the series circuit of delay switch and self-lock switch after be connected to the first end of voltage transformation module, via the second port of voltage transformation module to the second pole of battery pack;
Copolar rectifier diode in described battery protection unit is in series by two diode copolars, charged electrical switch in battery protection unit and forward are connected to the diodes in parallel in battery pack first loop, and electric discharge electronic switch and Opposite direction connection are in the diodes in parallel in battery pack first loop; 3rd port of described voltage transformation module is connected with two ports of powering of battery management unit respectively with the 4th port;
3rd port of described voltage transformation module is connected with two ports of powering of battery management unit respectively with the 4th port;
Described battery management unit, the conducting state of controlled discharge electronic switch and charged electrical switch.
In technique scheme under civil power normal power supply state, battery system and civil power walk abreast power supply to the device, simultaneously can also the filtering electrical network string noise of coming in.Civil power is powered to machine room information technoloy equipment by battery system after breaking down and interrupting immediately.If municipal power failure exists continuously for a long time, under this extreme case, battery system, after reaching and turning off discharge loop condition, in succession stops power supply to the device, closes internal circuit, to reach zero-power, avoids battery system to shelve for a long time causing battery core to be crossed putting; When city power recovery powers, battery system internal circuit automatic activation, central data process and control unit, according to the charging curve of battery pack, send instruction to alternating current-direct current measurement and control unit, thus Based Intelligent Control charging process.Battery system possesses complete monitoring and supports remote control function simultaneously, and operating personnel can lead to communication module, send corresponding instruction, realize the Long-distance Control of power of computer room system.Safeguarding in information technoloy equipment process, need to take off high voltage direct current battery system, then can directly extract this system, battery system can quit work automatically, shelves so for a long time and also there is not energy loss problem.
As further improvement of the utility model, described communication accumulation power supply system increases communication module, and described communication module is connected with battery management unit; Described communication module can accept external command to control battery management unit.
As further improvement of the utility model, described communication accumulation power supply system increases emergent delivery outlet, and described emergent delivery outlet is connected between the first pole of battery pack and the second pole; When battery management unit fault, charged electrical switch and electric discharge electronic switch all disconnect, can not output voltage, and battery pack is powered to external equipment by delivery outlet of meeting an urgent need temporarily.
Further, described communication accumulation power supply system increases by the first protective circuit, and the first described protective circuit is connected between battery pack and emergent delivery outlet.
As further improvement of the utility model, described communication accumulation power supply system increases by the second protective circuit, and the second described protective circuit is connected between battery protection unit in the first loop of battery pack and discharge and recharge first pole of discharge and recharge port.
As further improvement of the utility model, described communication accumulation power supply system increases by the 3rd protective circuit, and the 3rd described protective circuit is connected between battery protection unit in the second servo loop of battery pack and the first port of voltage transformation module.
As further improvement of the utility model, described communication accumulation power supply system increases monomer voltage and detects and/or current detecting and/or temperature detection; Described monomer voltage detects the voltage being detected battery pack by voltage acquisition winding displacement, and the information of voltage of the battery pack detected is delivered to battery management unit; Described current detecting is made up of Hall current sensor, and the discharge and recharge first being socketed in discharge and recharge port is extremely gone up, and is detected the electric current of discharge and recharge port, the current information of the discharge and recharge port detected is delivered to battery management unit by Hall current sensor; Described temperature detection detects the surface temperature of battery pack, and the temperature information of the battery pack detected is delivered to battery management unit.
As further improvement of the utility model, described communication accumulation power supply system increases reverse-filling diode D3 and reverse-filling diode D4; Reverse-filling diode D3 forward is connected between battery protection unit in the second servo loop of battery pack and the first port of voltage transformation module, and reverse-filling diode D4 forward is connected between the series circuit often opening delay switch and voltage transformation module in the tertiary circuit of battery pack and the first port of voltage transformation module.
As further improvement of the utility model, the first very positive pole of described battery pack, the second very negative pole of battery pack; The discharge and recharge first very discharge and recharge positive pole of described discharge and recharge port, discharge and recharge second is discharge and recharge negative pole very.
As further improvement of the utility model, the first very negative pole of described battery pack, the second very positive pole of battery pack; The discharge and recharge first very discharge and recharge negative pole of described discharge and recharge port, discharge and recharge second is discharge and recharge positive pole very.
Accompanying drawing explanation
Fig. 1 is the circuit structure block diagram of a preferred embodiment of the present utility model.
Fig. 2 is the first electrical block diagram of the preferred embodiment of the present utility model.
Fig. 3 is the second electrical block diagram of the preferred embodiment of the present utility model.
Embodiment
Now with embodiment, the utility model is further illustrated by reference to the accompanying drawings.
The circuit structure block diagram of a preferred embodiment of the power supply system for communications of the present utility model as shown in Figure 1, comprises battery pack 2, emergent delivery outlet 1, discharge and recharge port 14, battery protection unit 8, voltage transformation module 4, monomer voltage detection 11, current detecting 12, temperature detection 13, fan 19, battery management unit 27, self-lock switch 3, often opens delay switch 24, memory cell 26,485 port 9, CAN mouth 10.
Described battery pack 2 is connected with emergent delivery outlet 1, battery protection unit 8, self-lock switch 3; Described self-lock switch 3 connect often drive delay switch 24 after be connected with voltage transformation module 4; Described discharge and recharge port 14 has two paths, and one is connected with battery protection unit 8, and another is connected with voltage transformation module 4; Described voltage transformation module 4 is all connected with battery management unit 27 with battery protection unit 8; The information of battery pack 2 is passed to battery management unit 27 by described monomer voltage detection 11, current detecting 12 and temperature detection 13; 485 described ports 9 and CAN mouth 10 are all connected with battery management unit 27 and receive external command to control battery management unit 27; Fan 19 is controlled by battery management unit 27, opens when reaching uniform temperature.
The simplest part of the circuit structure block diagram of this preferred embodiment is battery pack 2, discharge and recharge port 14, battery protection unit 8, voltage transformation module 4, battery management unit 27, often open delay switch 24 and self-lock switch 3; Described battery pack 2 can adopt ferric phosphate lithium cell group, storage battery etc.; High voltage direct current is converted to the supply power voltage started for battery management unit 27 by described voltage transformation module 4, and described voltage transformation module 4 can adopt DC-DC reduction voltage circuit etc.; Described battery management unit 27 is used for controlling the conducting state of battery protection unit 8, can adopt computer, single-chip microcomputer etc.; Described often holding after conducting a period of time pressed by delay switch 24 can disconnect voluntarily; Described self-lock switch 3 is meeting forced closed after battery pack is installed;
The preferred part of the circuit structure block diagram of this preferred embodiment is monomer voltage detection 11, current detecting 12, temperature detection 13, fan 19, memory cell 26,485 port 9, CAN mouth 10.Described monomer voltage detects the information of voltage that 11 are used for gathering battery pack 2, Information Monitoring is passed to voltage management unit 27, and described monomer voltage detects 11 can adopt the device such as voltage sensor, voltage detector; Described current detecting 12 is used for size of current when detecting the discharge and recharge of the power supply system for communications, the Detection Information that battery management unit 27 detects 11 according to monomer voltage judges the charge and discharge state of the power supply system for communications thus the conducting state of control battery protection unit 8, and described current detecting 12 can adopt Hall current sensor, current transformer etc.; Described temperature detection 13 is for detecting temperature during power supply system for communications work, when temperature is too high, battery management unit 27 is opened fan 19 and is dispelled the heat, disconnect when temperature controls battery protection unit 8 higher than upper battery management unit 27 in limited time, described temperature detection 13 can adopt the devices such as temperature sensor; Described memory cell 26 is used for various Detection Information when storing communication power-supply system being worked; 485 described ports 9 and CAN mouth 10 are used for receiving outside work order, the work order of outside is passed to battery management unit 27, is namely controlled by the operating state of external command to the power supply system for communications.
Embodiment 1:
According to the power supply system for communications structured flowchart of Fig. 1; the first electrical block diagram of the preferred embodiment of the present utility model as shown in Figure 2, detect 11 by battery pack 2, emergent delivery outlet 1, discharge and recharge port 14, battery protection unit 8, voltage transformation module 4, monomer voltage, current detecting 12, temperature detection 13, battery management unit 27, self-lock switch 3, often drive delay switch 24, memory cell 26, communication module 271, protective circuit 16, protective circuit 20, protective circuit 25, reverse-filling diode D3, reverse-filling diode D4 form:
Described battery pack 2 is made up of some serial battery; First very positive pole of described battery pack, the second very negative pole of battery pack.Described discharge and recharge port 14 is made up of discharge and recharge first pole and discharge and recharge second pole, described discharge and recharge first very discharge and recharge positive pole, described discharge and recharge second very discharge and recharge negative pole.Described voltage transformation module 4 provides two groups of voltage ends, first group of voltage end is made up of the first port and the second port, second group of voltage end is made up of the 3rd port and the 4th port, and the first described port and the 3rd port are positive pole, and the second described port and the 4th port are negative pole.Described battery protection unit 8 is made up of copolar rectifier diode 7, charged electrical switch 6 and electric discharge electronic switch 5; Described copolar rectifier diode 7 is common cathode connected mode, be made up of diode D1 and diode D2, the negative electrode of diode D1 is connected with the negative electrode of diode D2 formation, and electric discharge electronic switch 5 is in parallel with diode D1, and charged electrical switch 6 is in parallel with diode D2.Described emergent delivery outlet 1 is made up of two emergent delivery outlet first poles and emergent delivery outlet second pole.Described current detecting 12 is made up of Hall current sensor.Described communication module 271 is made up of 485 ports and CAN mouth 10.Described protective circuit 16 is fusible link.Described protective circuit 20 is resettable fuse.Described protective circuit 25 is fuse.
Described battery pack 2 has four loops to connect, first loop connects and is extremely connected with the discharge and recharge first of discharge and recharge port 14 for the first pole of battery pack 2 connects battery protection unit 8 successively with after protective circuit 16, is extremely connected with second of battery pack 2 by discharge and recharge second pole of discharge and recharge port 14; After the first pole that second servo loop connection is battery pack 2 connects battery protection unit 8 and protective circuit 20 successively, the reverse-filling diode D3 connected by forward connects the first port of voltage transformation module 8, is extremely connected with second of battery pack 2 by the second port of voltage transformation module 8; The first pole that 3rd tunnel connection is battery pack 2 connects successively often drives delay switch 24, self-lock switch 3, the reverse-filling diode D4 connected by forward connects the first port of voltage transformation module 8, is extremely connected with second of battery pack 2 by the second port of voltage transformation module 8; 4th loop is extremely be connected with the emergent delivery outlet first of emergent delivery outlet 1 after the first pole of battery pack 2 connects protective circuit 25; extremely be connected with second of battery pack 2 by emergent delivery outlet second pole; when battery management unit 27 breaks down; charged electrical switch 6 disconnects with electric discharge electronic switch 5 simultaneously; battery pack 2 can not output voltage, is now powered to external equipment by emergent delivery outlet 1 temporarily.
The 3rd port in second group of voltage end of described voltage transformation module 4 and the 4th port are connected with two ports of powering of battery management unit 27 respectively.
Described battery management unit 27 controls the conducting state of charged electrical switch 6 and electric discharge electronic switch 5, control the unlatching of fan 19, the instruction that reception CAN mouth and 485 ports 10 transmit, receive the information of the battery pack 2 that monomer voltage detection 11, current detecting 12 and temperature detection 13 detect, Detection Information is stored into memory cell 26.
Before battery pack 2 is installed, the power supply system for communications does not work, and discharge and recharge interface output voltage is 0V, and the power consumption of power supply system for communications inside is 0 substantially.Now system has two kinds of active modes: the first, self-lock switch 3 forced closed after battery pack 2 is installed, it is power supply system for communications when charging that discharge and recharge port 14 loads DC charger, and the power supply system for communications activates, the second, self-lock switch 3 forced closed after battery pack 2 is installed, it is that the power supply system for communications is when charging that discharge and recharge port 14 does not load DC charger, press and often drive delay switch 24, first group of voltage end that battery pack 2 is voltage transformation module 4 provides the first voltage, second group of voltage end of voltage transformation module 4 provides the second voltage for battery management unit 27, battery management unit 27 conducting, battery management unit 27 controls the closed of charge relay in battery protection unit 86 and electric discharge relay 5, disconnect after often opening delay switch 24 conducting a period of time, the positive pole of the battery pack 2 that battery pack 2 is passed through after diode D2 and electric discharge electronic switch 5 to the first end of voltage transformation module 4 for voltage transformation module 4 provides the first voltage.
When under civil power normal power supply state, the power supply system for communications and civil power walk abreast power supply to the device, simultaneously can also the filtering electrical network string noise of coming in.
Have no progeny in civil power breaks down, powered to machine room information technoloy equipment by the power supply system for communications immediately.
When there is the situation of overdischarge in the power supply system for communications, battery management unit 27 drives electric discharge electronic switch 5 to disconnect, the discharge loop of battery pack 2 is disconnected, the loop that first group of voltage end of voltage transformation module 4 receives the first voltage is disconnected, and second group of voltage end of voltage transformation module 4 is also disconnected for battery management unit 27 work provides the current supply circuit of the second voltage to disconnect charged electrical switch 6 then.If the DC charger now loaded at discharge and recharge port 14 is that battery pack 2 is charged, have small area analysis successively by fuse 16, protective circuit 20, voltage transformation module 4 is entered after reverse-filling diode D3, for voltage transformation module 4 provides the first voltage, voltage transformation module 4 provides the second voltage for battery management unit 27 after starting working, start working rear drive charged electrical switch 6 of battery management unit 27 closes, then the positive pole that big current enters battery pack 2 by diode D1 and charged electrical switch 6 flows out from the negative pole of battery pack 2, form charge circuit.
When the situation of overcharge appears in the power supply system for communications, battery management unit 27 drives charged electrical switch 6 to disconnect, and now battery pack 2 is discharged by diode D2 and electric discharge electronic switch 5.
When current detecting 12 detects overcurrent condition, battery management unit 27 drives charged electrical switch 6 and electric discharge electronic switch 5 all to disconnect.
When temperature detection 13 detects excess temperature situation, battery management unit 27 drive fan 19 is opened; When temperature rises to setting numerical value time, battery management unit 27 drives charged electrical switch 6 and electric discharge electronic switch 5 all to disconnect.
In technique scheme under civil power normal power supply state, battery system and civil power walk abreast power supply to the device, simultaneously can also the filtering electrical network string noise of coming in.Civil power is powered to machine room information technoloy equipment by battery system after breaking down and interrupting immediately.If municipal power failure exists continuously for a long time, under this extreme case, battery system, after reaching and turning off discharge loop condition, in succession stops power supply to the device, closes internal circuit, to reach zero-power, avoids battery system to shelve for a long time causing battery core to be crossed putting; When city power recovery powers, battery system internal circuit automatic activation, central data process and control unit, according to the charging curve of battery pack, send instruction to alternating current-direct current measurement and control unit, thus Based Intelligent Control charging process.Battery system possesses complete monitoring and supports remote control function simultaneously, and operating personnel, by CAN interface, 485 interfaces, send corresponding instruction, realize the Long-distance Control of power of computer room system.Safeguarding in information technoloy equipment process, need to take off high voltage direct current battery system, then can directly extract this system, battery system can quit work automatically, shelves so for a long time and also there is not energy loss problem.
Embodiment 2:
Preferably, as shown in Figure 3, as further improvement of the utility model, the first very negative pole of described battery pack, the second very positive pole of battery pack.The discharge and recharge first very discharge and recharge negative pole of described discharge and recharge port 14, the discharge and recharge second very discharge and recharge positive pole of described discharge and recharge port 14.First end and the 3rd port of described voltage transformation module are negative pole, and the second port and the 4th port of voltage transformation module are positive pole.Described battery protection unit 8 is made up of copolar rectifier diode 7, charged electrical switch 6, electric discharge electronic switch 5; Described copolar rectifier diode 7 is made up of diode D1 and diode D2, is common anode pole connected mode, and electric discharge electronic switch 5 is in parallel with diode D1, and charged electrical switch 6 is in parallel with diode D2.
Protective circuit form in 2 cited above embodiments can also have the method for designing of other form except the structure in above-described embodiment, such as uses air switch, just automatically disconnects when electric current is excessive.
Although specifically show in conjunction with preferred embodiment and describe the utility model; but those skilled in the art should be understood that; not departing from the spirit and scope of the present utility model that appended claims limits; can make a variety of changes the utility model in the form and details, be protection range of the present utility model.
Claims (11)
1. communicate an accumulation power supply system, comprising: battery pack, discharge and recharge port, battery protection unit, voltage transformation module, battery management unit, often open delay switch, self-lock switch; It is characterized in that:
Described discharge and recharge port is made up of discharge and recharge first pole and discharge and recharge second pole; Described battery protection unit is made up of copolar rectifier diode, charged electrical switch, electric discharge electronic switch; Described voltage transformation module provides two groups of voltage ends, and first group of voltage end is made up of the first port and the second port, and second group of voltage end is made up of the 3rd port and the 4th port;
Described delay switch of often opening is connected with self-lock switch;
Described battery pack has three loops to connect, and the first loop connects discharge and recharge first pole after connecting the first pole connection battery protection unit for battery pack, is extremely connected with second of battery pack by discharge and recharge second pole; The first pole that second servo loop connects for battery pack connects the first port connecting voltage transformation module after battery protection unit, via the second port of voltage transformation module to the second pole of battery pack; The first pole connected for battery pack, 3rd tunnel connect often drive the series circuit of delay switch and self-lock switch after be connected to the first end of voltage transformation module, via the second port of voltage transformation module to the second pole of battery pack;
Copolar rectifier diode in described battery protection unit is in series by two diode copolars, charged electrical switch in battery protection unit and forward are connected to the diodes in parallel in battery pack first loop, and electric discharge electronic switch and Opposite direction connection are in the diodes in parallel in battery pack first loop;
3rd port of described voltage transformation module is connected with two ports of powering of battery management unit respectively with the 4th port;
Described battery management unit, the conducting state of controlled discharge electronic switch and charged electrical switch.
2. communication accumulation power supply system according to claim 1, is characterized in that: described communication accumulation power supply system increases communication module, and described communication module is connected with battery management unit.
3. communication accumulation power supply system according to claim 1, is characterized in that: described communication accumulation power supply system increases emergent delivery outlet, and described emergent delivery outlet is connected between the first pole of battery pack and the second pole.
4. communication accumulation power supply system according to claim 3, is characterized in that: described communication accumulation power supply system increases by the first protective circuit, and the first described protective circuit is connected between battery pack and emergent delivery outlet.
5. communication accumulation power supply system according to claim 1; it is characterized in that: described communication accumulation power supply system increases by the second protective circuit, the second described protective circuit is connected between battery protection unit in the first loop of battery pack and discharge and recharge first pole of discharge and recharge port.
6. communication accumulation power supply system according to claim 1; it is characterized in that: described communication accumulation power supply system increases by the 3rd protective circuit, the 3rd described protective circuit is connected between battery protection unit in the second servo loop of battery pack and the first port of voltage transformation module.
7. according to the communication accumulation power supply system of claim 1 or 2 or 3, it is characterized in that: described communication accumulation power supply system increases monomer voltage and detects and/or current detecting and/or temperature detection; Described monomer voltage detects the voltage being detected battery pack by voltage acquisition winding displacement; Described current detecting is made up of Hall current sensor, and the discharge and recharge first being socketed in discharge and recharge port is extremely gone up; Described temperature detection detects the surface temperature of battery pack, and Detection Information is delivered to battery management unit.
8. according to the communication accumulation power supply system of claim 1 or 2 or 3, it is characterized in that: described communication accumulation power supply system increases reverse-filling diode D3 and reverse-filling diode D4; Reverse-filling diode D3 forward is connected between battery protection unit in the second servo loop of battery pack and the first port of voltage transformation module, and reverse-filling diode D4 forward is connected between the series circuit often opening delay switch and voltage transformation module in the tertiary circuit of battery pack and the first port of voltage transformation module.
9. communication accumulation power supply system according to claim 7, is characterized in that: described communication accumulation power supply system increases reverse-filling diode D3 and reverse-filling diode D4; Reverse-filling diode D3 forward is connected between battery protection unit in the second servo loop of battery pack and the first port of voltage transformation module, and reverse-filling diode D4 forward is connected between the series circuit often opening delay switch and voltage transformation module in the tertiary circuit of battery pack and the first port of voltage transformation module.
10. communication accumulation power supply system according to claim 1, is characterized in that: the first very positive pole of described battery pack, the second very negative pole of battery pack; The discharge and recharge first very discharge and recharge positive pole of described discharge and recharge port, discharge and recharge second is discharge and recharge negative pole very; First port and the 3rd port of described voltage transformation module are positive pole, and the second port and the 4th port of voltage transformation module are negative pole.
11. communication accumulation power supply systems according to claim 1, is characterized in that: the first very negative pole of described battery pack, the second very positive pole of battery pack; The discharge and recharge first very discharge and recharge negative pole of described discharge and recharge port, discharge and recharge second is discharge and recharge positive pole very; First end and the 3rd port of described voltage transformation module are negative pole, and the second port and the 4th port of voltage transformation module are positive pole.
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| CN201520371278.XU CN204761067U (en) | 2015-06-02 | 2015-06-02 | Communication energy storage power supply system |
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| CN201520371278.XU CN204761067U (en) | 2015-06-02 | 2015-06-02 | Communication energy storage power supply system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882936A (en) * | 2015-06-02 | 2015-09-02 | 李相哲 | Communication energy storage power supply system |
| CN107681750A (en) * | 2017-11-20 | 2018-02-09 | 福建师范大学福清分校 | Based on embedded intelligence cell managing device |
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2015
- 2015-06-02 CN CN201520371278.XU patent/CN204761067U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882936A (en) * | 2015-06-02 | 2015-09-02 | 李相哲 | Communication energy storage power supply system |
| CN104882936B (en) * | 2015-06-02 | 2023-07-25 | 李相哲 | Communication energy storage power supply system |
| CN107681750A (en) * | 2017-11-20 | 2018-02-09 | 福建师范大学福清分校 | Based on embedded intelligence cell managing device |
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Effective date of registration: 20160706 Address after: 363000 North Zone, Capital Industrial Zone, Zhaoan County, Zhangzhou, Fujian Patentee after: Fujian dynavolt Amperex Technology Limited Address before: Software Park Siming District of Xiamen city in Fujian province 361000 two sunrise Road No. 54 unit 601 Patentee before: Li Xiangzhe |
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Granted publication date: 20151111 Termination date: 20210602 |
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