CN101867199B - Device and method for storing electricity for fiber access device - Google Patents
Device and method for storing electricity for fiber access device Download PDFInfo
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- CN101867199B CN101867199B CN 200910131691 CN200910131691A CN101867199B CN 101867199 B CN101867199 B CN 101867199B CN 200910131691 CN200910131691 CN 200910131691 CN 200910131691 A CN200910131691 A CN 200910131691A CN 101867199 B CN101867199 B CN 101867199B
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Abstract
The invention discloses a device and a method for storing electricity for a fiber access device. The device comprises at least a lithium-ferrum battery monomer; the lithium-ferrum battery monomer comprises a battery cell group, a battery control management module and a communication module; the battery cell group comprises a plurality of lithium-ion battery cells which use the anode material as lithium ferrum phosphate and is used for storing electrical energy; the battery control management module is used for controlling the charge/discharge management of the battery cell group and sending the acquired battery-related parameter and the alarm information sent out according to the parameter to the communication module; and the communication module is used for reporting the battery-related parameter and the alarm information sent by the battery control management module to the fiber access device. The device and the method have the characteristics of small volume, light weight, long cycle life, relatively deep discharge depth and no memory effect, toxin or pollution, thereby ensuring the safety and stability of the use of the fiber access device.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of device and method of realizing the fiber access device power backup.
Background technology
FTTX (Fiber-to-the-x, the optical fiber access) technology is mainly used in the access network fiberize, to subscriber terminal equipment, local side apparatus is that OLT (optical line terminal), ustomer premises access equipment are ONU (optical network unit) or ONT (optical network unit) to scope from the local side apparatus of regional telecommunications room.Distance according to fiber-to-the-subscriber is classified, and can be divided into FTTP (FTTP), FTTC (Fiber To The Curb), FTTN (fiber-to-the-node) and FTTH 4 kinds of service patterns such as (Fiber to the home).
Adopt the power supplied locally mode in principle for these several service patterns, do not adopt the far-end supply power mode as far as possible.Normally the carrying out of speech business when guaranteeing outage can provide ONU power-off protection demand as required.
Realize the power backup function of above-mentioned FTTX equipment, technology substantially all is to adopt lead acid accumulator to meet the demands now, the charge mode of lead acid accumulator is simpler, uses more conveniently, but many shortcomings are arranged in the practical application: the volume of lead acid accumulator is big, Heavy Weight; Hot properties is poor, more than 25 degree, and every rising ten degree of temperature, the life-span reduces half, is unfavorable for using under the environment mal-condition, particularly some outdoor environments; It is few that battery recycles number of times, generally can only arrive about 300 times; Seriously polluted, lead acid accumulator reaches acid solution and the heavy metals such as lead, chromium after the use in process of production, and human body, natural environment are had long-term destructiveness; Depth of discharge only is 70%-85%, and battery capacity can not effectively be utilized.These problems affect have limited the use of equipment and have promoted to stability and the fail safe of system equipment.
Summary of the invention
In view of above-mentioned analysis, the present invention aims to provide a kind of device and method of realizing the fiber access device power backup, in order to solve exist in the prior art because the volume of lead acid accumulator is big, Heavy Weight, life-span are short, pollute and heavily wait, thereby influence the problem of the stable and fail safe of system equipment.
Purpose of the present invention mainly is achieved through the following technical solutions:
The invention provides a kind of device of realizing the fiber access device power backup, comprise at least one lithium iron battery monomer, described lithium iron battery monomer comprises: battery battery core group, battery control and management module and communication module, wherein,
Described battery battery core group, the lithium ion battery cell that to comprise a plurality of employing positive electrodes be LiFePO4 is used for realizing the deposit of electric energy;
Described battery control and management module is used for the management of charging and discharging of the described battery battery core group of control, and sends to described communication module together with its battery relevant parameter that collects and according to the warning information that this parameter is sent;
Described communication module, the described battery relevant parameter and the alarming information report that are used for described battery control and management module is sent are given fiber access device.
Further, described battery control and management module specifically comprises: charge/discharge unit, converting unit and administrative unit, wherein,
Described charge/discharge unit is provided with charging circuit, discharge circuit and drive circuit, and when civil power, described charging circuit charges to described battery battery core group by described drive circuit; When detecting mains failure, described discharge circuit discharges to described battery battery core group by drive circuit;
Described converting unit be used for its magnitude of voltage that collects from described charge/discharge unit is carried out analog quantity to the conversion of digital quantity, and the numerical value after will changing sends to described administrative unit;
Described administrative unit is used for according to the opening or closing of the Numerical Control charging circuit that receives and discharge circuit, and sends to described communication module together with the battery relevant parameter that gets access to and according to the warning information that this parameter is sent.
Further, described administrative unit specifically is used for, and in the charging process battery battery core voltage is detected, when arbitrary battery cell voltage during greater than first scheduled voltage, disconnect charge circuit, when battery cell voltage is removed over-charge protective during all less than second scheduled voltage; In the discharge process, battery battery core voltage is detected, when arbitrary monomer battery voltage is lower than the 3rd scheduled voltage, disconnect discharge loop; When monomer battery voltage during all greater than the 4th scheduled voltage, removed and put protection; Carry out current detecting in the discharge process, when loop current during greater than predetermined current value, disconnect discharge loop.
Further, described battery control and management module also comprises: temperature detecting unit and heating unit, wherein,
Described temperature detecting unit is used for ambient temperature being detected, and detected ambient temperature value being sent to described administrative unit by change-over circuit after the lithium iron battery monomer monomer powers on; And/or described temperature detecting unit also is used for detecting in the temperature of battery battery core charge or discharge process to described battery battery core group, and the temperature of detected described battery battery core group can be sent to described administrative unit;
Described administrative unit is used for, and ambient temperature value and the specific environment temperature value that receives compared, if be lower than the specific environment temperature value, triggers heating unit, otherwise opens drive circuit and charging circuit charges to battery battery core; And/or described administrative unit is used for, and with comparing when battery battery core group temperature and predetermined battery electricity core group temperature value of receiving, when being higher than the electric core group of first predetermined battery temperature, disconnects charge circuit or discharge loop accordingly; When battery temperature drops to second predetermined battery electricity core group temperature, open charge circuit or discharge loop accordingly;
Described heating unit is used for described battery battery core group heating.
Further, described battery control and management module also comprises at least one in balanced unit, electric weight display unit and the state indicating member, wherein,
Described balanced unit is used in charging process, when the voltage deviation of cell during greater than the predetermined voltage deviate, carries out equilibrium treatment;
Described electric weight display unit is for the electric weight decay or the increase situation that show battery pack step by step;
Described state indicating member is used to indicate the battery charging and discharging state, and/or, the failure condition of pilot cell.
Further, described device also comprises:
Subtending port is used for carrying out cascade between a plurality of lithium iron battery monomers, realizes the deposit of electric energy jointly.
The present invention also provides a kind of method that realizes the fiber access device power backup, uses a kind of device of realizing the fiber access device power backup, and described method comprises:
When civil power, charging circuit charges to described battery battery core group by drive circuit; When detecting mains failure, described discharge circuit discharges to described battery battery core group by drive circuit;
To carry out analog quantity to the conversion of digital quantity from the magnitude of voltage that charging circuit and discharge circuit collect;
According to opening or closing of the Numerical Control charging circuit that obtains and discharge circuit after the conversion, and send to fiber access device together with the battery relevant parameter that gets access to and according to the warning information that this parameter is sent.
Wherein, described charging process specifically comprises:
Steps A: the testing environment temperature value, detected ambient temperature value and specific environment temperature value are compared, if be lower than the specific environment temperature value, then begin charging, otherwise the battery battery core group is heated;
Step B: in the charging process, the temperature of battery battery core group is detected, detected battery battery core group temperature and predetermined battery electricity core group temperature value are compared, when being higher than first predetermined battery electricity core group temperature, then stop charging; When battery battery core group temperature drops to second predetermined battery electricity core group temperature, then continue charge circuit;
Step C: send to fiber access device together with the battery relevant parameter that gets access in the charging process and according to the warning information that this parameter is sent.
Further, described step B also comprises:
Battery battery core voltage is detected, when arbitrary battery cell voltage during greater than first scheduled voltage, disconnect charging, when battery cell voltage is removed over-charge protective during all less than second scheduled voltage; And/or,
Detect the voltage deviation of battery battery core group, when the voltage deviation of cell during greater than the predetermined voltage deviate, carry out equilibrium treatment.
Described discharge process specifically comprises:
Step a: when detecting the civil power outage, the battery battery core group is discharged;
Step b: in the discharge process, the temperature of battery battery core group is detected, detected battery battery core group temperature and predetermined battery electricity core group temperature value are compared, when being higher than first predetermined battery electricity core group temperature, then stop discharge; When battery battery core group temperature drops to second predetermined battery electricity core group temperature, then continue discharge;
Step c: send to described communication module together with the battery relevant parameter that gets access in the discharge process and according to the warning information that this parameter is sent.
Further, described step b also comprises:
Battery battery core voltage is detected, when arbitrary monomer battery voltage is lower than the 3rd scheduled voltage, stop discharge; When monomer battery voltage during all greater than the 4th scheduled voltage, removed and put protection;
Carry out current detecting, when loop current during greater than predetermined current value, stop discharge.
Beneficial effect of the present invention is as follows:
Adopt the described device and method of the embodiment of the invention, compared with prior art, specific energy is big, volume is little, quality is light, have extended cycle life, depth of discharge is dark, memory-less effect, nontoxic and pollution-free, high-temperature stability is good, greatly improved the utilance of fiber access device, reduced maintenance cost, increase the equipment scope of application, strengthened product competitiveness.
Other features and advantages of the present invention will be set forth in the following description, and becoming apparent from specification of part perhaps understood by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of writing, claims and accompanying drawing.
Description of drawings
Fig. 1 adopts the lithium iron battery monomer as the system works block diagram of power backup device for the embodiment of the invention;
Fig. 2 is the structural representation of embodiment of the invention lithium iron battery monomer;
Fig. 3 is the schematic flow sheet of lithium iron battery charging in the described method of the embodiment of the invention;
Fig. 4 is the schematic flow sheet of lithium iron battery discharge in the described method of the embodiment of the invention.
Embodiment
Main purpose of the present invention is to be to adopt the lithium iron battery monomer as method for designing and the device of power backup pattern, solve the problem that exists at present, make the power backup device have following characteristics: volume is little, quality is light, have extended cycle life, depth of discharge is dark, memory-less effect, nontoxic, pollution-free, thereby guarantees safety in utilization and the stability of system equipment.
Specifically describe preferential embodiment of the present invention below in conjunction with accompanying drawing, wherein, accompanying drawing constitutes the application's part, and is used from explaination principle of the present invention with embodiments of the invention one.
At first by reference to the accompanying drawings 1 and the described device of the embodiment of the invention of Fig. 2 be elaborated.
As shown in Figure 1, Fig. 1 is for adopting the lithium iron battery monomer as the system works block diagram of power backup device, and described power backup device comprises and comprise a lithium iron battery monomer at least that normal conditions mostly are the lithium iron battery monomer of a plurality of cascades.
As shown in Figure 2, Fig. 2 is the structural representation of lithium iron battery monomer, specifically can comprise: battery battery core group, battery control and management module and communication module, wherein, described battery control and management module specifically can comprise: charge/discharge unit, converting unit, administrative unit, temperature detecting unit, heating unit, balanced unit, electric weight display unit and state indicating member.
Respectively above each functional module and unit are elaborated below.
The battery battery core group, link to each other with the power supply of civil power, be mainly used in realizing the deposit of electric energy, it adopts positive electrode is the lithium ion battery cell of LiFePO4 (LiFePO4) material, in the LiFePO4 structure, PO43-four tetrahedrons are highly stable, in charge and discharge process, play the support structure effect, LiFePO4 and to take off the structure of the FePO4 under the lithium state fully very close simultaneously, therefore, the LiFePO4 positive electrode has good high temperature resistance, anti-over-charging to cross to put and cycle performance, so just guaranteed that battery has high security, high-energy-density and good cycle performance.
Battery control and management module, mainly finish the control and management that discharges and recharges of battery, and the battery relevant parameter that collects sent to described communication module, it mainly comprises: charge/discharge unit, converting unit, administrative unit, temperature detecting unit, heating unit, balanced unit, electric weight display unit and state indicating member, wherein, temperature detecting unit, heating unit, balanced unit, electric weight display unit and state indicating member are as selectable unit, and those skilled in the art can carry out selectivity according to actual needs and dispose one or more.
Charge/discharge unit, wherein be provided with charging circuit, discharge circuit and drive circuit, drive circuit mainly is to adopt power device (as charge power pipe and discharge power pipe), can be by big electric current, its pressure drop is low, the heat radiation is little, and this circuit will charge and discharge separately, the zero switching of battery power backup when guaranteeing mains failure, the discharge power pipe is conducting always, and the charge power pipe is closed behind mains failure.Specifically discharging and recharging the course of work is: when civil power is arranged, and the charge power device of charging circuit control drive circuit, the charge power pipe is opened, and the power supply that the outside is imported is added on the battery battery core, and battery battery core is charged; After detecting mains failure, the discharge power pipe of discharge circuit control drive circuit, the discharge power pipe is opened, with the energy resource supply external loading use of battery battery core.
Converting unit is intended digital translation to the magnitude of voltage progressive die that collects from charging circuit and discharge circuit, and the magnitude of voltage after will changing is delivered to administrative unit and handled.In addition, converting unit also is responsible for the detected ambient temperature of temperature detecting unit and battery battery core group temperature are transmitted to administrative unit, administrative unit is carried out corresponding operating according to ambient temperature and battery battery core group temperature, specifically referring to following detailed description about temperature detecting unit.
Administrative unit can be taken on by cpu system in the embodiment of the invention, and it is according to the magnitude of voltage read, determines whether to open or disconnects charging circuit and discharge circuit.In the charging process, when battery cell voltage greater than first scheduled voltage, during as 3.9V (because the nominal voltage of battery battery core is 3.6V, its maximum voltage that bears is 10% of the upper limit, protect voltage to be set to 3.9V) for this reason, the disconnection charge circuit; When battery cell voltage less than second scheduled voltage, remove over-charge protective during as 3.6V (nominal voltage of battery battery core); Over-charge protective postpones less than 500ms.In the discharge process, when battery cell voltage is lower than the 3rd scheduled voltage, during as 2.0V (during battery discharge, capacity reduces, and voltage also reduces, and when voltage during to 2.0V, battery capacity has been put soon, this moment need to battery protection), disconnect discharge loop; When monomer battery voltage all greater than the 3rd scheduled voltage; as 2.6V (because battery bringing onto load discharge; if cell voltage is protected after less than 2.0V; this moment, cell voltage had a bounce-back; bounce voltage is about 0.2～0.4V; recovery voltage is arranged on the 2.0V basis increases 0.6V), removed and put protection.In the discharge process, when loop current greater than predetermined current value, during as 5A (for FTTB equipment, general load current is considered 2 times of left and right sides allowances at 2～3A, and over-current protection point is arranged on 5A), the disconnection discharge loop; Overcurrent protection postpones less than 500ms.Like this; cpu system just can in time obtain the battery relevant parameter; as quantity of state (charging and discharging state of battery battery core group, battery battery core pool-size etc., environmental simulation amount (as the temperature of battery battery core group, ambient temperature etc.); and determine whether send warning information (as the charging overvoltage alarm of battery battery core group and protection, battery battery core group discharge undervoltage alarm and protection, the alarm of battery battery core group high temperature and protection etc.) according to these relevant parameters; and these relevant parameters and warning information are reported system equipment by communication module, finally arrive network management center.
Temperature detecting unit, after battery cell powers on, temperature detecting unit is the testing environment temperature value at first, and detected ambient temperature value sent to cpu system by change-over circuit, cpu system compares detected ambient temperature value and specific environment temperature value, if be lower than the specific environment temperature value, trigger heating unit battery battery core is heated, guarantee the function that charges normal of battery battery core, prolong the useful life of battery battery core; If be equal to or higher than the specific environment temperature value, then trigger drive circuit and charging circuit charges to battery battery core.In battery battery core charge or discharge process, described temperature detecting unit also detects the temperature of battery battery core group, when battery pack temperature is higher than first predetermined battery electricity core group temperature, during as 75 ℃, disconnects the charge or discharge loop; When battery temperature drops to second predetermined battery electricity core group temperature, temperature protection is removed as below 60 ℃ the time.
Heating unit heats electric core when low temperature, guarantees the function that charges normal of electric core, prolongs the useful life of electric core.
Balanced unit, because it is variant between the battery battery core itself, in order to reduce this otherness, increased balance module, when the voltage deviation of cell greater than the predetermined voltage deviate, as 30mV (to the electric core of 3.6V nominal value, get deviate less than 1%, about 30mV), equalization function is opened, balanced beginning voltage is that 3.4V is (when cell voltage is relatively lower, otherness is smaller between the electricity core, and along with cell voltage raises, voltage deviation increases, start equalizing voltage point and deduct 0.2V for nominal value), (with respect to the power backup battery of general FTTB, the charging current operated by rotary motion is at 1A, and euqalizing current is less than 10% of charging current for the about 80mA of euqalizing current, so get 80mA), only equilibrium when charging.
Electricity quantity display module, 4 LED light show electric weight decay or the increase situation of battery pack step by step;
The state indicating module is used 2 LED light pilot cell states respectively, an indication charging and discharging state, and one is used to refer to whether fault is arranged;
Communication module; receive the quantity of state that cpu system sends (charging and discharging state of battery battery core group, battery battery core pool-size etc., environmental simulation amount (as the temperature of battery battery core group, ambient temperature etc.); and determine whether send warning information (as the charging overvoltage alarm of battery battery core group and protection, battery battery core group discharge undervoltage alarm and protection, the alarm of battery battery core group high temperature and protection etc.) according to these relevant parameters; and these parameters and information are reported FTTX equipment, finally arrive network management center.
Utilize said apparatus to realize that the method for fiber access device power backup is elaborated below in conjunction with accompanying drawing 3 and 4 couples of the present invention of accompanying drawing.
As shown in Figure 3, Fig. 3 is the schematic flow sheet of lithium iron battery charging in the described method of the embodiment of the invention, specifically may further comprise the steps:
Step 300: after battery cell powered on, cpu system brought into operation;
Step 301: having under the civil power situation, temperature detecting module is the testing environment temperature value at first, and detected ambient temperature value is sent to cpu system;
Step 302:CPU system compares detected ambient temperature value and default definite value, if be lower than default definite value, then execution in step 304; If be equal to or higher than default definite value, then execution in step 305;
Step 303: trigger heating module the battery battery core group is heated;
Step 304: open charge circuit;
Step 305: charge circuit charges to electric core by drive circuit;
Step 306: in the charging process, temperature detecting unit detects the temperature of battery battery core group, when battery battery core group temperature is higher than first predetermined battery electricity core group temperature, during as 75 ℃, disconnects charge circuit; When battery temperature drops to second predetermined battery electricity core group temperature, temperature protection is removed as below 60 ℃ the time;
Step 307: battery battery core voltage is detected, by converting unit analog quantity is converted to digital quantity and delivers to cpu system; When arbitrary monomer battery voltage greater than first scheduled voltage, during as 3.9V, disconnect charge circuit; When monomer battery voltage all less than second scheduled voltage, remove over-charge protective during as 3.6V;
Step 308: detect the battery voltage deviation, when the voltage deviation of cell greater than the predetermined voltage deviate, as 30mV, equalization function is opened, balanced beginning voltage is 3.4V, the about 80mA of euqalizing current;
Step 309: adopt 4 LED lamps to show electric weight, represent the electric weight abundance when all lamps are bright, representing when all lamps go out does not have electric weight;
Step 310: carry out communication by communication module and system, information such as the capacity of battery, battery status, ambient condition, inefficacy warning are reported system, be delivered to network management center through equipment again;
Step 311: determine according to the electric weight situation whether charging finishes.
As shown in Figure 4, Fig. 4 is the discharge flow path schematic diagram of lithium iron battery cell in the described method of the embodiment of the invention, specifically can may further comprise the steps:
Step 400: after battery cell powered on, cpu system brought into operation;
Step 401: whether system at first detects civil power cuts off the power supply, and opens discharge loop after the outage;
Step 402: discharge loop discharges to electric core by drive circuit;
Step 403: in the discharge process, temperature detecting unit detects the temperature of battery battery core group, when battery pack temperature is higher than first predetermined battery electricity core group temperature, during as 75 ℃, disconnects discharge loop; When battery temperature drops to second predetermined battery electricity core group temperature, temperature protection is removed as below 60 ℃ the time;
Step 404: battery battery core voltage is detected, by converting unit analog quantity is converted to digital quantity and delivers to cpu system; When arbitrary monomer battery voltage is lower than the 3rd scheduled voltage, during as 2.0V, disconnect discharge loop; When monomer battery voltage all greater than the 4th scheduled voltage, during as 2.6V, removed and put protection;
Step 405: carry out current detecting, when loop current greater than predetermined current value, during as 5A, disconnect discharge loop; Overcurrent protection postpones less than 500ms;
Step 406: in discharge process, carry out electric weight and show that 4 LED light show battery meter, whole when bright, expression electric weight abundance; When all going out, represent no electric weight;
Step 407: carry out communication by communication module and system, information such as the capacity of battery, battery status, ambient condition, inefficacy warning are reported FTTX equipment, finally be delivered to network management center.
In sum, the embodiment of the invention provides a kind of device and method of realizing the fiber access device power backup, adopt the described device and method of the embodiment of the invention, compared with prior art, specific energy (reaches 100WH/kg greatly, be 3 times of lead-acid battery), volume little (be lead-acid battery 1/3rd), quality light (lighter by 70% than conventional batteries), (cycle-index is more than 1000 times) have extended cycle life, depth of discharge is dark (can reach more than 97%), memory-less effect (but the degree of depth discharge and recharge, do not influence capacity and the life-span of battery), nontoxic and pollution-free (there is not noxious substance in battery material), high-temperature stability good (can long-term work under high temperature 60 degree).Adopt the device of the embodiment of the invention, greatly improved usage ratio of equipment, reduced maintenance cost, increased the equipment scope of application, strengthened product competitiveness.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (11)
1. a device of realizing the fiber access device power backup is characterized in that, comprises at least one lithium iron battery monomer, and described lithium iron battery monomer comprises: battery battery core group, battery control and management module and communication module, wherein,
Described battery battery core group, the lithium ion battery cell that to comprise a plurality of employing positive electrodes be LiFePO4 is used for realizing the deposit of electric energy;
Described battery control and management module is used for the management of charging and discharging of the described battery battery core group of control, and sends to described communication module together with its battery relevant parameter that collects and according to the warning information that this parameter is sent;
Described communication module, the described battery relevant parameter and the alarming information report that are used for described battery control and management module is sent are given fiber access device.
2. device according to claim 1 is characterized in that, described battery control and management module specifically comprises: charge/discharge unit, converting unit and administrative unit, wherein,
Described charge/discharge unit is provided with charging circuit, discharge circuit and drive circuit, and when civil power, described charging circuit charges to described battery battery core group by described drive circuit; When detecting mains failure, described discharge circuit discharges to described battery battery core group by drive circuit;
Described converting unit be used for its magnitude of voltage that collects from described charge/discharge unit is carried out analog quantity to the conversion of digital quantity, and the numerical value after will changing sends to described administrative unit;
Described administrative unit is used for according to the opening or closing of the Numerical Control charging circuit that receives and discharge circuit, and sends to described communication module together with the battery relevant parameter that gets access to and according to the warning information that this parameter is sent.
3. device according to claim 2, it is characterized in that, described administrative unit specifically is used for, in the charging process battery battery core voltage is detected, when arbitrary battery cell voltage during greater than first scheduled voltage, disconnect charge circuit, when battery cell voltage is removed over-charge protective during all less than second scheduled voltage; In the discharge process, battery battery core voltage is detected, when arbitrary monomer battery voltage is lower than the 3rd scheduled voltage, disconnect discharge loop; When monomer battery voltage during all greater than the 4th scheduled voltage, removed and put protection; Carry out current detecting in the discharge process, when loop current during greater than predetermined current value, disconnect discharge loop.
4. device according to claim 2 is characterized in that, described battery control and management module also comprises: temperature detecting unit and heating unit, wherein,
Described temperature detecting unit is used for ambient temperature being detected, and detected ambient temperature value being sent to described administrative unit by change-over circuit after the lithium iron battery monomer powers on; And/or described temperature detecting unit also is used for detecting in the temperature of battery battery core charge or discharge process to described battery battery core group, and the temperature of detected described battery battery core group can be sent to described administrative unit;
Described administrative unit is used for, and ambient temperature value and the specific environment temperature value that receives compared, if be lower than the specific environment temperature value, triggers heating unit, otherwise opens drive circuit and charging circuit charges to battery battery core; And/or described administrative unit is used for, and battery battery core group temperature and the predetermined battery electricity core group temperature value that receives compared, and when being higher than first predetermined battery electricity core group temperature, disconnects charge circuit or discharge loop accordingly; When battery temperature drops to second predetermined battery electricity core group temperature, open charge circuit or discharge loop accordingly;
Described heating unit is used for described battery battery core group heating.
5. according to any described device in the claim 2 to 4, it is characterized in that described battery control and management module also comprises at least one in balanced unit, electric weight display unit and the state indicating member, wherein,
Described balanced unit is used in charging process, when the voltage deviation of cell during greater than the predetermined voltage deviate, carries out equilibrium treatment;
Described electric weight display unit is for the electric weight decay or the increase situation that show battery pack step by step;
Described state indicating member is used to indicate the battery charging and discharging state, and/or, the failure condition of pilot cell.
6. device according to claim 1 is characterized in that, described device also comprises:
Subtending port is used for carrying out cascade between a plurality of lithium iron battery monomers, realizes the deposit of electric energy jointly.
7. method that realizes the fiber access device power backup, application rights requires the device of 2 described realization fiber access device power backups, it is characterized in that, and described method comprises:
When civil power, charging circuit charges to described battery battery core group by drive circuit; When detecting mains failure, described discharge circuit discharges to described battery battery core group by drive circuit;
To carry out analog quantity to the conversion of digital quantity from the magnitude of voltage that charging circuit and discharge circuit collect;
According to opening or closing of the Numerical Control charging circuit that obtains and discharge circuit after the conversion, and send to fiber access device together with the battery relevant parameter that gets access to and according to the warning information that this parameter is sent.
8. method according to claim 7 is characterized in that, described charging process specifically comprises:
Steps A: the testing environment temperature value, detected ambient temperature value and specific environment temperature value are compared, if be lower than the specific environment temperature value, then begin charging, otherwise the battery battery core group is heated;
Step B: in the charging process, the temperature of battery battery core group is detected, detected battery battery core group temperature and predetermined battery electricity core group temperature value are compared, when being higher than first predetermined battery electricity core group temperature, then stop charging; When battery battery core group temperature drops to second predetermined battery electricity core group temperature, then continue charge circuit;
Step C: send to fiber access device together with the battery relevant parameter that gets access in the charging process and according to the warning information that this parameter is sent.
9. method according to claim 8 is characterized in that, described step B also comprises:
Battery battery core voltage is detected, when arbitrary battery cell voltage during greater than first scheduled voltage, disconnect charging, when battery cell voltage is removed over-charge protective during all less than second scheduled voltage; And/or,
Detect the voltage deviation of battery battery core group, when the voltage deviation of cell during greater than the predetermined voltage deviate, carry out equilibrium treatment.
10. method according to claim 7 is characterized in that, described discharge process specifically comprises:
Step a: when detecting the civil power outage, the battery battery core group is discharged;
Step b: in the discharge process, the temperature of battery battery core group is detected, detected battery battery core group temperature and predetermined battery electricity core group temperature value are compared, when being higher than first predetermined battery electricity core group temperature, then stop discharge; When battery battery core group temperature drops to second predetermined battery electricity core group temperature, then continue discharge;
Step c: send to described communication module together with the battery relevant parameter that gets access in the discharge process and according to the warning information that this parameter is sent.
11. method according to claim 10 is characterized in that, described step b also comprises:
Battery battery core voltage is detected, when arbitrary monomer battery voltage is lower than the 3rd scheduled voltage, stop discharge; When monomer battery voltage during all greater than the 4th scheduled voltage, removed and put protection;
Carry out current detecting, when loop current during greater than predetermined current value, stop discharge.
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| CN103595479A (en) * | 2012-08-13 | 2014-02-19 | 成都思迈科技发展有限责任公司 | A fiber transceiver with a fault report and far-end control function |
| CN103066570B (en) * | 2013-01-18 | 2016-06-29 | 浙江绿源电动车有限公司 | Battery protecting apparatus, server and battery management system |
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