CN202435118U - Standby power supply system - Google Patents
Standby power supply system Download PDFInfo
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- CN202435118U CN202435118U CN2011205128037U CN201120512803U CN202435118U CN 202435118 U CN202435118 U CN 202435118U CN 2011205128037 U CN2011205128037 U CN 2011205128037U CN 201120512803 U CN201120512803 U CN 201120512803U CN 202435118 U CN202435118 U CN 202435118U
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Abstract
The utility model provides a standby power supply system, which comprises a battery module, a battery management unit, a central control system and a load or a charging device, wherein the battery module supplies power to the load; the charging device charges the battery module; the battery management unit is used for acquiring sampling signals of the battery module and outputs an indication signal to the central control system through logic judgment; the central control system controls the switch-on and switch-off of the load or the charging device according to the instruction signal; and the battery management module comprises a sampling module, a protection chip set, at least one signal isolation transmission module, a first signal cascade terminal and a second signal cascade terminal. Standby power supply provided with the standby power supply system is simple in circuit structure, easily designed and short in development period; and a plurality of modules can be cascaded, so that the expansibility can be improved.
Description
Technical field
The utility model belongs to the battery protection field, relates in particular to a kind of power-supply system that has protective circuit.
Background technology
In the information age; The situation that the used many electric equipments of industry such as telecommunications, finance all do not allow supply of electric power to interrupt takes place; In order to guarantee still to make the equipment of working keep the supply of electric power of long period smooth and easy when the power down suddenly of power electricity; Industry is used the backup power system of secondary cell as system usually, and the back-up source of configuration standard time or " long delay " guarantees the normal use of system.
Lead-acid battery as back-up source existed bulky in the past; Outside the disadvantage that is not easy to carry; Also because environmental pollution is big and cost advantage is constantly dwindled; Progressively substituted, so general now lithium ion battery or the electrokinetic cell power supply in support that adopts by environmentally friendly lithium ion battery or electrokinetic cell.It is little that lithium ion battery or electrokinetic cell have a volume, and capacity density is high, have extended cycle life, and is convenient to carry, and outstanding advantage such as environmental protection is just obtaining application more and more widely.
Yet; When lithium ion battery or electrokinetic cell are charged, if battery does not add charge protection, the situation of possibly overcharging; Cause inner pressure of battery to raise; Bad phenomenon such as battery swell, leakage possibly take place, and when serious even possibly cause battery explosion or catch fire, jeopardize life safety; When lithium ion battery or electrokinetic cell discharge to load; If battery does not add discharge prevention, the discharge voltage of battery will be lower than the lower limit of battery, even be discharged to zero volt voltage; Over-discharge situation takes place; Make the capacity characteristic deterioration of battery, thereby the guiding discharge time is shorter and shorter, shortens the useful life of battery.Battery protecting circuit improves the useful life and the security performance of battery just for fear of the above-mentioned battery overcharge or the generation of over-discharge situation.General, single battery is protected with single-unit protection chip, when a plurality of battery series connection are used; Need the protection chip of equal number to protect, cost is too high on the one hand, and expandable element is too much on the other hand; Peripheral circuit connects too complicated, influences the system integration, and expansibility is relatively poor.Traditional protection scheme also comprises the Single-chip Controlling scheme, and advantage is control flexibly, and shortcoming is that design difficulty is big, and the construction cycle is long, and cost is high.
Summary of the invention
The utility model is big for multi-string battery protective circuit design difficulty in the solution prior art, and the construction cycle is long, and cost is high; The peripheral circuit complex connection, technical problems such as expansibility difference provide a kind of protective circuit simplicity of design; Construction cycle is short; Cost is low, and circuit is simple, and expansion is backup power system preferably.
A kind of backup power system comprises battery module, battery management unit, central control system and load or charging device, and said battery module is that load provides supply of electric power; Said charging device charges to battery module; Said battery management unit is used to gather the sampled signal of battery module, and through logic determines, the output index signal is to central control system; The index signal that said central control system transmits according to battery management unit, the break-make of control load or charging device.
Wherein, Said battery management unit comprises sampling module, protection chipset, at least one Signal Spacing transport module and the first signal cascade terminal and secondary signal cascade terminal; Said sampling module is used to gather the sampled signal of battery module; Said protection chip group of received is from the sampled signal of sampling module; And sending the Signal Spacing transport module to, the said first signal cascade terminal receives the index signal of Signal Spacing transport module output, and is sent to central control system through secondary signal cascade terminal.
Further, above-mentioned protection chipset comprises first protection chip, middle protection chip and tail protection chip, and said first protection chip receives the sampled signal that collects from corresponding with it multi-string battery bag, and outputs signal to next protection chip; The protection chip receives the sampled signal that collects from corresponding with it multi-string battery bag in the middle of said, receives the output signal of a last protection chip, and outputs signal to next protection chip; Said tail protection chip receives the sampled signal that collects from corresponding with it multi-string battery bag, and receives the output signal of a last protection chip, and its output is connected through the input of Signal Spacing transport module with the first signal cascade terminal.
Preferably, said sampled signal is one or more of voltage signal, temperature signal or current signal.
Further; Said sampling module comprises one or more of voltage sample module, temperature sampling module or current sample module; Said voltage sample module is used to gather the voltage signal of battery module; Said temperature sampling module is used to gather the temperature signal of battery module, and said current sample module is used to gather the current signal of battery module.
Further, said sampling module also comprises one or more of voltage sample interface, temperature sampling interface or current sample interface; The voltage signal that the voltage sample module collects is sent to the protection chipset through said voltage sample interface; The temperature signal that the temperature sampling module collects is sent to the protection chipset through said temperature sampling interface, and the current signal that the current sample module collects is sent to the protection chipset through said current sample interface.
Preferably, said backup power system also comprises fuse, and said fuse is connected on the loop of battery module and load or charging device formation.
Preferably; Said backup power system also comprises a positive terminal and a negative terminal; Said positive terminal is connected between the positive pole and load or charging device of battery module, and said negative terminal is connected between the negative pole and load or charging device of battery module.
Preferably, said Signal Spacing transport module comprises and overcharges Signal Spacing transport module and/or discharge signal isolation module.
The back-up source that adopts the utility model to propose, its circuit structure is succinct, has reduced the complexity of circuit design; Construction cycle is short, simplicity of design, and cost is low; Simultaneously can realize the cascade between a plurality of modules, improve the expansion performance, be particularly suitable for being applied to the battery of communicating by letter.
Description of drawings
Fig. 1 is the backup power system The general frame that the utility model provides.
Fig. 2 is the battery management unit circuit diagram.
Embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with accompanying drawing and embodiment, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Present embodiment provides a kind of battery backup system, and is as shown in Figure 1, comprises battery module 1, battery management unit 2, central control system 3, load 4, positive terminal 5, negative terminal 6 and fuse 7.Battery module 1 provides supply of electric power for whole power-supply system; 2 pairs of battery modules 1 of battery management unit are sampled, and obtain sampled signal and carry out logic determines, export the result to central control system 3; The index signal that central control system 3 transmits according to battery management unit 2, the break-make of control load 4; Positive terminal 5 outputs to load 4 with the electric energy that negative terminal 6 provides battery module 1; Fuse 7 provides safety guarantee for power-supply system; What use in the present embodiment is load 4, if power-supply system is in the state of charging, load 4 also can be replaced by charging device.
As depicted in figs. 1 and 2:
In the present embodiment, battery module 1 is made up of 44 string power brick 11 ~ 14, in different circuits designs, can be according to different requirement, and the number of cell in the number of power brick and the power brick is adjusted accordingly.
Above-mentioned battery management unit 2 comprises sampling module 21, protection chipset 22, the first signal cascade terminal 231, secondary signal cascade terminal 232, overcharges Signal Spacing transport module 241 and cross discharge signal isolated transmission module 242.Sampling module 21 comprises voltage sample module (not shown), temperature sampling module (not shown), current sample module 211, voltage sample interface 212, temperature sampling interface 213 and current sample interface 214; Sampling module 21 is mainly used in to be gathered the coherent signal of battery module 1, through the sampling interface signal that collects is sent to protection chipset 22 then.
In the present embodiment, protection chipset 22 comprises 4 joint protection chips 275, just first protection chip; 4 joint protection chips 276 and 4 joint protection chips 277, protection chip in the middle of being; 4 joint protection chips 278 are tail protection chip.The detection that protection chipset 22 is accomplished sampled signal, and output correlation signal is to overcharging Signal Spacing transport module 241 and crossing discharge signal isolated transmission module 242.
Physical circuit connects, and is as depicted in figs. 1 and 2:
The positive terminal 110 of 4 string power brick 11 is connected with an end 71 of fuse 7; The negative pole end 111 of 4 string power brick 11 is connected with the positive terminal 120 of 4 string power brick 12; The voltage signal end 112 of 4 string power brick 11 is connected with the input 212_IN of voltage sample interface 212, and the temperature signal end 113 of 4 string power brick 11 is connected with the input 213_IN of temperature sampling interface 213.
The positive terminal 120 of 4 string power brick 12 is connected with the negative pole end 111 of 4 string power brick 11; The negative pole end 121 of 4 string power brick 12 is connected with the positive terminal 130 of 4 string power brick 13; The voltage signal end 122 of 4 string power brick 12 is connected with the input 212_IN of voltage sample interface 212, and the temperature signal end 123 of 4 string power brick 12 is connected with the input 213_IN of temperature sampling interface 213.
The positive terminal 130 of 4 string power brick 13 is connected with the negative pole end 121 of 4 string power brick 12; The negative pole end 131 of 4 string power brick 13 is connected with the positive terminal 140 of 4 string power brick 14; The voltage signal end 132 of 4 string power brick 13 is connected with the input 212_IN of voltage sample interface 212, and the temperature signal end 133 of 4 string power brick 13 is connected with the input 213_IN of temperature sampling interface 213.
The positive terminal 140 of 4 string power brick 14 is connected with the negative pole 131 of 4 string power brick 13; The negative pole end 141 of 4 string power brick 14 is connected with an end 81 of current sample module 211; The voltage signal end 142 of 4 string power brick 14 is connected with the input 212_IN of voltage sample interface 212, and the temperature signal end 143 of 4 string power brick 14 is connected with the input 213_IN of temperature sampling interface 213.
One end 71 of fuse 7 is connected with the positive terminal 110 of 4 string power brick 11, and the other end 72 of fuse 7 is connected with an end 51 of positive terminal 5; The other end 52 of positive terminal is connected with the positive terminal 101 of load 4.
One end 81 of current sample module 211 is connected with the negative pole end 141 of 4 string power brick 14; The other end 82 of current sample module 211 is connected with an end 61 of negative terminal 6, and the signal end 83 of current sample module 211 is connected with the input 214_IN of current sample interface 214.
One end 61 of negative terminal 6 is connected with an end 82 of current sample module 211, and the other end 62 is connected with the negative pole end 102 of load 4.
The output 212_OUT of voltage sample interface 212 is passed to 4 joint protection chips 275,276,277 and 278 with voltage signal respectively; The output 213_OUT of temperature sampling interface 213 is passed to 4 joint protection chips 275,276,277 and 278 with temperature signal respectively, and the output 214_OUT of current sample interface is passed to 4 joint protection chips 278 with temperature signal.
The signal output part COP that overcharges of 4 joint protection chips 275 is connected with the charging control end CTLC of 4 joint protection chips 276, and the discharge signal output DOP that crosses of 4 joint protection chips 275 is connected with the discharge control end CTLD of 4 joint protection chips 276; The signal output part COP that overcharges of 4 joint protection chips 276 is connected with the charging control end CTLC of 4 joint protection chips 277, and the discharge signal output DOP of 4 joint protection chips 276 is connected with the discharge control end CTLD of 4 joint protection chips 277; The charging signals output COP of 4 joint protection chips 277 is connected with the charging control end CTLC of 4 joint protection chips 278, and the discharge signal output DOP of 4 joint protection chips 277 is connected with the discharge control end CTLD of 4 joint protection chips 278; The charging signals output COP of 4 joint protection chips 278 is connected with the input IN1 that overcharges Signal Spacing transport module 241, and the discharge signal output DOP of 4 joint protection chips 278 is connected with the input IN2 that crosses discharge signal isolated transmission module 242.
The output OUT1 that overcharges Signal Spacing transport module 241 is connected with the input 231_IN1 of the first signal cascade terminal 231, and the output OUT2 that crosses discharge signal isolated transmission module 242 is connected with the input 231_IN of the first signal cascade terminal 231.
The output 231_OUT1 of the first signal cascade terminal 231 is connected with the input 232_IN1 of secondary signal cascade terminal 232, and the output 231_OUT2 of the first signal cascade terminal 231 is connected with the input 232_IN2 of secondary signal cascade terminal 232.
The output 232_OUT1 of secondary signal cascade terminal 232 is connected with the input 301 of central control system, and the output 232_OUT2 of secondary signal cascade terminal 232 is connected with the input 303 of central control system.
The charging control signal output 302 of central control system is connected with the input 103 of load 4, and the discharge control signal output 304 of central control system is connected with the input 104 of load 4.
The operation principle of present embodiment power-supply system, as depicted in figs. 1 and 2:
44 string power brick 11～14 are connected into 16 string battery pack; 44 joint protection IC (promptly; 4 joint protection chips) 275～278 through voltage sample interface 212 and temperature sampling interface 213 sample respectively the single battery voltage of 44 string power brick 11～14 and the temperature of 44 string power brick 11～14, and 4 joint protection IC 278 are through current sample interface 214 sampling circuit electric currents.When load 4 was charging device, central control system 3 control charging devices were to 16 string batteries chargings.In charging process; If 4 batteries voltages of 4 string power brick 11 all are between the over voltage and additives for overcharge protection voltage of 4 joint protection IC 275; And when 4 string power brick, 11 temperature are protected set point less than the charging temperature of 4 joint protection IC 275; Then the signal output part COP that overcharges of 4 joint protection IC 275 is a high level with crossing discharge signal output DOP voltage, inputs to the charging control end CTLC and discharge control end CTLD of the 4 joint protection IC276 of subordinate respectively; If 4 batteries voltages of 4 string power brick 12 all are between the over voltage and additives for overcharge protection voltage of 4 joint protection IC 276; And when 4 string power brick, 12 temperature are protected set point less than the charging temperature of 4 joint protection IC 276; Then the signal output part COP that overcharges of 4 joint protection IC 276 is a high level with crossing discharge signal output DOP voltage, inputs to the charging control end CTLC and discharge control end CTLD of the 4 joint protection IC277 of subordinate respectively; If 4 batteries voltages of 4 string power brick 13 all are between the over voltage and additives for overcharge protection voltage of 4 joint protection IC 277; And when 4 string power brick, 13 temperature are protected set point less than the charging temperature of 4 joint protection IC 277; Then the signal output part COP that overcharges of 4 joint protection IC 277 is a high level with crossing discharge signal output DOP voltage, inputs to the charging control end CTLC and discharge control end CTLD of the 4 joint protection IC278 of subordinate respectively; If 4 batteries voltages of 4 string power brick 14 all are between the over voltage and additives for overcharge protection voltage of 4 joint protection IC 278; And when 4 string power brick, 14 temperature are protected set point less than the charging temperature of 4 joint protection IC 278; Then the signal output part COP that overcharges of 4 joint protection IC 278 is a high level with crossing discharge signal output DOP voltage, inputs to input IN1 that overcharges Signal Spacing transport module 241 and the input IN2 that crosses discharge signal isolated transmission module 242 respectively; The output OUT1 that overcharges Signal Spacing transport module 241 also is high level with the output OUT2 that crosses discharge signal isolated transmission module 242, inputs to the input 231_IN1 and the 231_IN2 of the first signal cascade terminal 231; The output 231_OUT1 of the first signal cascade terminal 231 and 231_OUT2 are high level also, input to the input 232_IN1 and the 232_IN2 of secondary signal cascade terminal 232; The output 232_OUT1 of secondary signal cascade terminal 232 and 232_OUT2 are high level also, input to the charging alarm signal receiving terminal 301 and discharge alarm signal receiving terminal 303 of central control system 3; Central control system 3 does not receive to overcharge the alarm indication and cross puts the alarm indication, and the control charging device continues 16 string batteries chargings.
When if any batteries voltage reaches 4 joint protection IC275 in 4 batteries in the 4 string power brick 11 additives for overcharge protection voltage or 4 string power brick, 11 temperature reach charging temperature protection set point; Then the signal output part COP upset that overcharges of 4 joint protection IC275 is low level, inputs to the charging control end CTLC of the 4 joint protection IC276 of subordinate; This moment, the signal output part COP that overcharges of the 4 joint protection IC276 of subordinate was forced output low level, inputed to the charging control end CTLC of the 4 joint protection IC277 of subordinate; This moment, the signal output part COP that overcharges of the 4 joint protection IC277 of subordinate was forced output low level, inputed to the charging control end CTLC of the 4 joint protection IC278 of subordinate; This moment, the signal output part COP that overcharges of the 4 joint protection IC278 of subordinate was forced output low level, inputed to the input IN1 that overcharges Signal Spacing transport module 241.In like manner; When any batteries voltage in the 4 string power brick 12～14 reaches additives for overcharge protection voltage or 4 string power brick 12～14 temperature and reaches charging temperature protection set point; The signal output part COP upset that overcharges of 4 then corresponding joint protection IC is low level; And, input to the input IN1 that overcharges Signal Spacing transport module 241 at last through said charging control cascade system, realized the cascade of 44 joint protection IC charging controls; The output OUT1 that overcharges Signal Spacing transport module 241 overturns thereupon and is low level, inputs to the input 231_IN1 of the first signal cascade terminal 231; The output 231_OUT1 of the first signal cascade terminal 231 also overturns thereupon and is low level, inputs to the input 232_IN1 of secondary signal cascade terminal 232; The output 232_OUT1 of secondary signal cascade terminal 232 also overturns thereupon and is low level, inputs to the charging alarm signal receiving terminal 301 of central control system 3; Central control system 3 receives charging alarm indication, and output charging control switch signal 302 reduces the charging voltage of charger or cuts off charge circuit to the control end 103 of charger, prevents over-charging of battery or the potential safety hazard of charging.
When charging device is replaced with load constantly, central control system 3 controls 16 string battery pack are to load discharge.In discharge process; If 4 batteries voltages of 4 string power brick 11 all are between the over voltage and additives for overcharge protection voltage of 4 joint protection IC 275; And when 4 string power brick, 11 temperature are protected set point less than the discharge temp of 4 joint protection IC 275; Then the signal output part COP that overcharges of 4 joint protection IC 275 is a high level with crossing discharge signal output DOP voltage, inputs to the charging control end CTLC and discharge control end CTLD of the 4 joint protection IC276 of subordinate respectively; If 4 batteries voltages of 4 string power brick 12 all are between the over voltage and additives for overcharge protection voltage of 4 joint protection IC 276; And when 4 string power brick, 12 temperature are protected set point less than the discharge temp of 4 joint protection IC 276; Then the signal output part COP that overcharges of 4 joint protection IC 276 is a high level with crossing discharge signal output DOP voltage, inputs to the charging control end CTLC and discharge control end CTLD of the 4 joint protection IC277 of subordinate respectively; If 4 batteries voltages of 4 string power brick 13 all are between the over voltage and additives for overcharge protection voltage of 4 joint protection IC 277; And when 4 string power brick, 13 temperature are protected set point less than the discharge temp of 4 joint protection IC 277; Then the signal output part COP that overcharges of 4 joint protection IC 277 is a high level with crossing discharge signal output DOP voltage, inputs to the charging control end CTLC and discharge control end CTLD of the 4 joint protection IC278 of subordinate respectively; If 4 batteries voltages of 4 string power brick 14 all are between the over voltage and additives for overcharge protection voltage of 4 joint protection IC 278; And when 4 string power brick, 14 temperature protect set point and discharge loop current detection value to save the discharge overcurrent protection value of protection IC 278 less than 4 less than the discharge temp of 4 joint protection IC 278; Then the signal output part COP that overcharges of 4 joint protection IC 278 is a high level with crossing discharge signal output DOP voltage, inputs to input IN1 that overcharges Signal Spacing transport module 241 and the input IN2 that crosses discharge signal isolated transmission module 242 respectively; The output OUT1 that overcharges Signal Spacing transport module 241 also is high level with the output OUT2 that crosses discharge signal isolated transmission module 242, inputs to the input 231_IN1 and the 231_IN2 of the first signal cascade terminal 231; The output 231_OUT1 of the first signal cascade terminal 231 and 231_OUT2 are high level also, input to the input 232_IN1 and the 232_IN2 of secondary signal cascade terminal 232; The output 232_OUT1 of secondary signal cascade terminal 232 and 232_OUT2 are high level also, input to the charging alarm signal receiving terminal 301 and discharge alarm signal receiving terminal 303 of central control system 3; Central control system 3 does not receive to overcharge the alarm indication and cross puts the alarm indication, and control 16 string battery pack continue load discharge.
When if any batteries voltage reaches 4 joint protection IC 275 in 4 batteries in the 4 string power brick 11 over voltage or 4 string power brick, 11 temperature reach discharge temp protection set point; Then the discharge signal output DOP upset of crossing of 4 joint protection IC 275 is low level, inputs to the discharge control end CTLD of the 4 joint protection IC 276 of subordinate; This moment, the discharge signal output DOP that crosses of the 4 joint protection IC 276 of subordinate was forced output low level, inputed to the discharge control end CTLD of the 4 joint protection IC 277 of subordinate; This moment, the discharge signal output DOP that crosses of the 4 joint protection IC 277 of subordinate was forced output low level, inputed to the discharge control end CTLD of the 4 joint protection IC 278 of subordinate; This moment, the discharge signal output DOP that crosses of the 4 joint protection IC 278 of subordinate was forced output low level, inputed to the input IN2 of discharge signal isolated transmission module 242.In like manner; When any batteries voltage in the 4 string power brick 12～14 reaches over voltage or 4 string power brick 12～14 temperature and reaches discharge temp protection set point; The discharge signal output DOP upset of crossing of 4 then corresponding joint protection IC is low level; And, inputed to the input IN2 of discharge signal isolated transmission module 242 at last through said discharge control cascade system, realized the cascade of 44 joint protection IC discharge controls.
When if the discharge loop current detection value reaches the discharge overcurrent protection value of 4 joint protection IC 278, the discharge signal output DOP that crosses of 4 joint protection IC 278 is forced output low level, inputs to the input IN2 of discharge signal isolated transmission module 242.
The output OUT2 that crosses discharge signal isolated transmission module 242 overturns thereupon and is low level, inputs to the input 231_IN1 of the first signal cascade terminal 231; The output 231_OUT1 of the first signal cascade terminal 231 also overturns thereupon and is low level, inputs to the input 232_IN1 of secondary signal cascade terminal 232; The output 232_OUT1 of secondary signal cascade terminal 232 also overturns thereupon and is low level, inputs to the discharge alarm signal receiving terminal 303 of central control system 3; Central control system 3 receives discharge alarm indication, and output discharge control switch signal 304 is closed load to the control end 104 of load, cuts off discharge loop, prevents that battery from crossing to put or the potential safety hazard of discharging.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection range of the utility model.
Claims (8)
1. a backup power system comprises battery module, battery management unit, central control system and load or charging device, and said battery module is that load provides supply of electric power; Said charging device charges to battery module; Said battery management unit is used to gather the sampled signal of battery module, and through logic determines, the output index signal is to central control system; The index signal that said central control system transmits according to battery management unit, the break-make of control load or charging device; It is characterized in that:
Said battery management unit comprises sampling module, protection chipset, at least one Signal Spacing transport module and the first signal cascade terminal and secondary signal cascade terminal; Said sampling module is used to gather the sampled signal of battery module; Said protection chip group of received is from the sampled signal of sampling module; And send the Signal Spacing transport module to; The said first signal cascade terminal receives the index signal of Signal Spacing transport module output, and is passed to central control system through secondary signal cascade terminal.
2. backup power system as claimed in claim 1; It is characterized in that: said protection chipset comprises first protection chip, middle protection chip and tail protection chip; Said first protection chip receives the sampled signal that collects from corresponding with it multi-string battery bag, and outputs signal to next protection chip; The protection chip receives the sampled signal that collects from corresponding with it multi-string battery bag in the middle of said, receives the output signal of a last protection chip, and outputs signal to next protection chip; Said tail protection chip receives the sampled signal that collects from corresponding with it multi-string battery bag, and receives the output signal of a last protection chip, and its output is connected through the input of Signal Spacing transport module with the first signal cascade terminal.
3. backup power system as claimed in claim 2 is characterized in that: said sampled signal is one or more of voltage signal, temperature signal or current signal.
4. backup power system as claimed in claim 3; It is characterized in that: said sampling module comprises one or more of voltage sample module, temperature sampling module or current sample module; Said voltage sample module is used to gather the voltage signal of battery module; Said temperature sampling module is used to gather the temperature signal of battery module, and said current sample module is used to gather the current signal of battery module.
5. backup power system as claimed in claim 4 is characterized in that: said sampling module also comprises one or more of voltage sample interface, temperature sampling interface or current sample interface; The voltage signal that the voltage sample module collects is sent to the protection chipset through said voltage sample interface; The temperature signal that the temperature sampling module collects is sent to the protection chipset through said temperature sampling interface, and the current signal that the current sample module collects is sent to the protection chipset through said current sample interface.
6. like any described backup power system of claim 1 to 5, it is characterized in that: said backup power system also comprises fuse, and said fuse is connected on the loop of battery module and load or charging device formation.
7. according to claim 1 or claim 2 backup power system; It is characterized in that: said backup power system also comprises a positive terminal and a negative terminal; Said positive terminal is connected between the positive pole and load or charging device of battery module, and said negative terminal is connected between the negative pole and load or charging device of battery module.
8. according to claim 1 or claim 2 backup power system is characterized in that: said Signal Spacing transport module comprises and overcharges Signal Spacing transport module and/or discharge signal isolation module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205128037U CN202435118U (en) | 2011-12-12 | 2011-12-12 | Standby power supply system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011205128037U CN202435118U (en) | 2011-12-12 | 2011-12-12 | Standby power supply system |
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| CN202435118U true CN202435118U (en) | 2012-09-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104753108A (en) * | 2013-12-30 | 2015-07-01 | 比亚迪股份有限公司 | Backup power supply |
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2011
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104753108A (en) * | 2013-12-30 | 2015-07-01 | 比亚迪股份有限公司 | Backup power supply |
| CN104753108B (en) * | 2013-12-30 | 2017-06-06 | 比亚迪股份有限公司 | A kind of back-up source |
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